CN206734378U - Children trolley - Google Patents

Abstract

The utility model discloses a stroller for children, which comprises a stroller frame and a seat pocket assembly installed on the stroller frame. has a first position and a second position, when the stroller frame is unfolded, the seat assembly is located at the first position, and the children's stroller also includes a second locking mechanism for locking the seat assembly at the first position; When the trolley frame is flipped and folded, the second locking mechanism is driven to unlock; when the trolley frame is folded and stands on the ground, the seat pocket assembly slides from the first position to the second position under its own gravity; When the frame is unfolded, the seat assembly slides from the second position to the first position under its own gravity. The structure of the stroller is simple, and the seat assembly of the stroller can slide relative to the frame of the stroller after being folded, so that the seat assembly and the frame of the stroller are closely connected together, so that the volume of the stroller after folding is small. Easy to carry and store.

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 locking mechanism, the seat bag assembly that is detachably installed on the stroller frame. In order to facilitate the packaging, transportation and storage of the stroller, the stroller can generally be folded. When the stroller is folded, the seat pocket assembly can be disassembled from the stroller frame and the two can be folded separately, and the seat can also be folded. The pocket assembly is folded together with the stroller. In the prior art, when the seat pocket assembly is folded together with the stroller, the position of the seat pocket assembly remains the same as that of the stroller when it is unfolded, so that the folded Children's strollers are bulky.

Contents of the invention

The purpose of this utility model is to address the deficiencies of the prior art, to provide a seat pocket assembly that can be slidably arranged on the stroller frame so that the position of the seat pocket assembly on the stroller frame can be adjusted so that the folded child push Smaller children's strollers.

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

A stroller for children, comprising a stroller frame with unfolded state and folded state, a front wheel assembly arranged at the bottom front part of the pushcart frame, a rear wheel assembly arranged at the bottom rear part of the pushcart frame A wheel assembly, a first locking mechanism for locking the stroller frame in an unfolded state, a seat assembly detachably mounted on the stroller frame, when the seat assembly is installed on the When on the stroller frame, the seat pocket assembly can be slidably arranged relative to the stroller frame, the seat pocket assembly has a first position and a second position on the stroller frame, when the pushchair When the vehicle frame is in the unfolded state, the seat assembly is located at the first position, and the stroller further includes a second locking mechanism for locking the seat assembly at the first position; When the stroller frame is flipped and folded, the second locking mechanism is unlocked; when the stroller frame is folded and stands on the ground, the seat pocket assembly slides from the first position under its own gravity move the seat assembly closer to the stroller frame at the second position; when the stroller frame is unfolded, the seat assembly slides from the second position under its own gravity to the first location.

Preferably, when the stroller is unfolded, the first position is located below the second position, and when the stroller is folded and stands on the ground, the first position is located at the second position. above the second position.

Preferably, the child stroller further includes a slider seat, the slider seat is slidably arranged on the stroller frame, and the seat pocket assembly is detachably arranged on the slider seat, so The second locking mechanism is arranged between the slider seat and the cart frame to lock the relative positions of the two.

Further, one of the two parts of the seat bag assembly and the slider seat is provided with an interface, and the other part is provided with a joint matching the interface, and the joint is detachably inserted into the in the interface.

Preferably, the stroller frame includes a push rod, and the push rod is flipped and folded forward to drive the second locking mechanism to unlock.

Further, the stroller frame further includes a side bar, the upper part of the side bar is rotatably connected to the lower part of the push bar through a rotating joint, and the seat pocket assembly can slide along the length extension direction of the side bar set on the side bar.

Furthermore, when the child stroller is folded and stands on the ground, one of the two groups of components of the front wheel assembly and the rear wheel assembly, and the rotating joint stand together on the ground.

Furthermore, the stroller frame also includes a front bracket for installing the front wheel assembly, the upper part of the front bracket is rotatably connected with the lower part of the side bar, when the stroller is in the unfolded state , the front bracket, the side rod and the push rod extend along the same straight line.

Preferably, the seat assembly includes an upper frame and a lower frame, the lower part of the upper frame is rotatably connected to the upper part of the lower frame, when the seat assembly is installed on the cart frame When the above child stroller is folded, the upper frame turns downwards and closes to the lower frame.

Preferably, the stroller frame includes a front bracket, a side bar, a push rod, a first rear bracket, a second rear bracket, a seatpost and a connecting rod, the front wheel assembly is mounted on the lower part of the front bracket, and the The rear wheel assembly is mounted on the lower part of the first rear bracket, the upper part of the front bracket is rotatably connected to the lower part of the side bar, and the upper part of the side bar is rotatably connected to the lower part of the push rod, so The upper part of the second rear bracket is rotatably connected with the side bar, and the upper part of the first rear bracket, the lower part of the second rear bracket, and the rear part of the seatpost are rotatably connected with the same axis. The front part of the seat post is rotatably connected to the front bracket, the two ends of the connecting rod are respectively rotatably connected to the front bracket and the first rear bracket, and the seat pocket assembly is slidably arranged on on the side bars.

Due to the application of the above-mentioned technical solution, the utility model has the following advantages compared with the prior art: the structure of the children's stroller of the utility model is simple, and the seat pocket assembly can be slidably arranged on the stroller frame, which makes the children's stroller foldable The rear seat pocket assembly can slide relative to the stroller frame, so that the seat pocket assembly and the stroller frame are close together, so that the folded children's stroller has a small volume and is convenient to carry and store.

Description of drawings

Accompanying drawing 1 is the perspective view of the children's stroller of the present utility model in the expanded state;

Accompanying drawing 2 is an exploded view (enlarged view) of A in accompanying drawing 1;

Accompanying drawing 3 is the side view of the children's stroller of the present utility model in the unfolded state;

Accompanying drawing 4 is one of the side views of the children's stroller of the present invention in the folding process;

Accompanying drawing 5 is the second side view of the children's stroller in the folding process of the utility model;

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

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

When the seat pocket assembly 4 is installed on the stroller frame 1, the seat pocket assembly 4 can slide relative to the stroller frame 1, so that the seat pocket assembly 4 has at least a first position and a second position on the stroller frame 1 , when the stroller is in the unfolded state, the seat assembly 4 is located at the first position on the stroller frame 1, and when the stroller is folded and stands on the ground, the seat assembly 4 is located on the stroller frame 1 At the second position, this makes the seat pocket assembly 4 and the stroller frame 1 closer together after the child stroller is folded, so that the volume of the folded child stroller is smaller.

Specifically, the children's stroller also includes a slider seat 5 that can be slidably arranged on the stroller frame 1, and the seat pocket assembly 4 is detachably installed on the slider seat 5, and the seat bag assembly 4 is detachably installed on the slider seat 5, and the stroller frame is relatively opposite to the stroller frame through the slider seat 5. 1 slides to drive the seat pocket assembly 4 to slide relative to the cart frame 1.

Can adopt following connection mode between seat pocket assembly 4 and slider seat 5: Seat pocket assembly 4 and slider seat 5 are provided with an interface on one part of the two parts, and the other part is provided with the joint that matches with the interface. The connector 41 is detachably inserted into the interface. In this embodiment, the joint 41 is arranged on the seat bag assembly 4 , and the interface is arranged on the slider seat 5 .

The children's stroller also includes a second locking mechanism for locking the seat pocket assembly 4 at the first position on the stroller frame 1. Specifically, the second locking mechanism is arranged on the slider seat 5 and the stroller frame 1. between. In this embodiment, when the rods forming the stroller frame 1 are flipped and folded after the first locking mechanism is unlocked, the second locking mechanism can be driven to be unlocked. In this way, it is not necessary to operate the second locking mechanism separately, which is convenient for children. Folding operation of the cart. 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.

A specific structure of the stroller frame 1: the stroller frame 1 includes a front bracket 11, a side bar 12, a push rod 13, a first rear bracket 14, a second rear bracket 15, a seat post 16 and a connecting rod 17. When the stroller is in the unfolded state, the front bracket 11, the side bar 12 and the push rod 13 extend obliquely from the front to the rear in turn, and the three parts extend along the same straight line; the first rear bracket 14 and the second rear bracket 15 both The seat post 16 extends obliquely from the rear to the front, and the two extend along the same straight line; the seat post 16 extends along the front and rear directions. The front bracket 11 is used for installing the front wheel assembly 2 , the first rear bracket 14 is used for installing the rear wheel assembly 3 , and the slider seat 5 is slidably arranged on the side bar 12 along the length extension direction of the side bar 12 . The top of the front support 11 is rotatably connected with the bottom of the side bar 12, the top of the side bar 12 is rotatably connected with the bottom of the push rod 13 through the swivel joint 18, and the top of the second rear support 15 is rotatably connected with the side bar 12. The top of a rear bracket 14, the bottom of the second rear bracket 15, and the rear portion of the seat post 16 are rotatably connected on the same axis. The other end of the connecting rod 17 is rotatably connected with the first rear bracket 14, so that a four-bar linkage mechanism is formed between the front bracket 11, the side bar 12, the second rear bracket 15 and the seat post 16, A four-bar linkage mechanism is also formed between the front bracket 11 , the first rear bracket 14 , the seat post 16 and the connecting rod 17 .

In this embodiment, the second locking mechanism is arranged between the slider seat 5 and the side rod 12 , and when the push rod 13 is turned forward and folded, the second locking mechanism can be unlocked.

Of course, the stroller frame 1 is not limited to the specific structure mentioned above, and other structural forms of the stroller frame 1 can also be used.

When the seat pocket assembly 4 is installed on the cart frame 1, the seat pocket assembly 4 can also be folded, specifically, the seat pocket assembly 4 also includes a foldable enclosure, and the enclosure includes an upper enclosure 421 and a lower enclosure 422, The lower part of the upper surrounding frame 421 is rotatably connected with the upper part of the lower surrounding frame 422 , and the joint 41 is arranged on the surrounding frame and is located at the rotational connection of the upper surrounding frame 421 and the lower surrounding frame 422 .

The following is a specific description of the folding and unfolding process of the stroller with the structure of the stroller frame 1 given in this embodiment:

When the stroller is in the unfolded state, as shown in Figure 1 and Figure 3, the front bracket 11, the side bar 12, and the push rod 13 extend along the same straight line, and the first rear bracket 14 and the second rear bracket 15 also extend along the same straight line direction, a triangular structure is formed between the front bracket 11, the side bar 12, the second rear bracket 15 and the seat post 16, the front bracket 11, the side bar 12, the first rear bracket 14, the second rear bracket 15 and the connecting rod 17 A triangular structure is also formed between them, so that the stroller is stably unfolded. The seat bag assembly 4 is located at the first position on the side bar 12, and at this time the first position is located below the second position.

When the stroller is folded, the seat assembly 4 is first folded, and the upper frame 421 is turned downwards to close to the lower frame 422, as shown in Figure 4; then the first locking mechanism is unlocked, and the push rod 13 is turned forward , the second locking mechanism is unlocked during the overturning of the push rod 13, as shown in Figure 5; the front bracket 11 is turned backward, and the first rear bracket 14 is turned forward, so that the front wheel assembly 2 and the rear wheel assembly 3 gradually move closer , until the rods forming the cart frame 1 are closely moved together, as shown in FIG. 6 . During the entire folding process of the stroller, the seat assembly 4 is always at the first position on the stroller frame 1 . The child's stroller can stand on the ground after being folded, and when the folded child's stroller is standing on the ground, one group of parts in the two groups of components of the front wheel assembly 2 and the rear wheel assembly 3 and the rotating joint 18 stand together on the ground, Now, side bar 12 and push bar 13 all extend along the up and down direction, like this, the first position is just positioned at the top of side bar 12, and the second position is positioned at the below of side bar 12, and seat pocket assembly 4 will follow slider seat 5 Under the action of its own gravity, it slides down along the side bar 12 until it slides from the first position to the second position. This enables the seat pocket assembly 4 and the stroller frame 1 to be closer together, so that the folded baby stroller has a smaller volume and is easy to carry and store.

When the stroller is unfolded in the folded state, lift the push rod 13 upwards to gradually unfold the rods that make up the stroller frame 1, and when the side rods 12 gradually turn over to the unfolded state, the second position gradually locates at the first position In this way, the seat bag assembly 4 will follow the slider seat 5 and slide down along the side bar 12 under its own gravity until it slides from the second position to the first position. When the seat bag assembly 4 slides to the side bar After the first position on 12, the second locking mechanism automatically locks, and when the entire vehicle frame is in the unfolded state, the first locking mechanism is locked, so that the baby stroller is in a stable unfolded state.

The above-mentioned embodiments are only to illustrate the technical conception and characteristics of the present utility model, and its purpose is to allow those familiar with this technology to understand the content of the utility model and implement it accordingly, and not to limit the protection scope of the 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 child stroller, comprising a stroller frame with an unfolded state and a folded state, a front wheel assembly disposed at the bottom front portion of the stroller frame, and a rear wheel assembly disposed at the bottom rear portion of the stroller frame The rear wheel assembly, the first locking mechanism for locking the cart frame in the unfolded state, the seat pocket assembly detachably installed on the cart frame, is characterized in that: when the seat When the seat pocket assembly is installed on the cart frame, the seat pocket assembly can be slidably arranged relative to the cart frame, and the seat pocket assembly has a first position and a second position on the cart frame. position, when the stroller frame is in the unfolded state, the seat assembly is located at the first position, and the stroller further includes a second mechanism for locking the seat assembly at the first position Two locking mechanisms; when the cart frame is flipped and folded, the second locking mechanism is driven to be unlocked; when the cart frame is folded and stands on the ground, the seat pocket assembly is released from the seat under its own gravity Slide from the first position to the second position to make the seat assembly close to the stroller frame; when the stroller frame is unfolded, the seat assembly moves from from the second position to the first position. 2. The stroller according to claim 1, characterized in that: when the stroller is unfolded, the first position is located below the second position, and when the stroller is folded, When standing on the ground, the first position is above the second position. 3. The children's stroller according to claim 1, characterized in that: said children's stroller further comprises a slider seat, said slider seat is slidably arranged on said stroller frame, said seat pocket The assembly is detachably arranged on the slider seat, and the second locking mechanism is arranged between the slider seat and the cart frame to lock the relative positions of the two. 4. The children's stroller according to claim 3, characterized in that: one of the two parts of the seat assembly and the slider seat is provided with an interface, and the other part is provided with a connection with the interface. A mating joint is detachably inserted into the interface. 5 . The stroller for children according to claim 1 , wherein the stroller frame includes a push rod, and the push rod is flipped forward and folded to drive the second locking mechanism to unlock. 6 . 6. The children's stroller according to claim 5, wherein the stroller frame further comprises a side bar, the upper part of the side bar is rotatably connected to the lower part of the push rod through a rotary joint, and the The seat pocket assembly is slidably arranged on the side bar along the length extension direction of the side bar. 7. The stroller according to claim 6, wherein when the stroller is folded and stands on the ground, one of the two groups of components of the front wheel assembly and the rear wheel assembly, the The rotating joints stand together on the ground. 8. The children's stroller according to claim 6, wherein the stroller frame further comprises a front bracket for mounting the front wheel assembly, the upper part of the front bracket is connected to the lower part of the side bar Rotately connected, when the baby stroller is in the unfolded state, the front bracket, the side bars and the push rod extend along the same straight line. 9. The stroller according to claim 1, wherein the seat assembly comprises an upper frame and a lower frame, the lower part of the upper frame is rotatably connected with the upper part of the lower frame, When the seat assembly is installed on the stroller frame and the stroller is folded, the upper frame turns downwards and closes to the lower frame. 10. The children's stroller according to claim 1, wherein the stroller frame includes a front bracket, a side bar, a push rod, a first rear bracket, a second rear bracket, a seat post and a connecting rod. The front wheel assembly is installed on the lower part of the front bracket, the rear wheel assembly is installed on the lower part of the first rear bracket, the upper part of the front bracket is rotatably connected with the lower part of the side bar, and the side bar The upper part of the upper part is rotatably connected with the lower part of the push rod, the upper part of the second rear bracket is rotatably connected with the side bar, the upper part of the first rear bracket, the lower part of the second rear bracket, the The three parts at the rear of the seatpost are connected to the same axis for rotation, the front part of the seatpost is connected to the front bracket for rotation, and the two ends of the connecting rod are respectively connected to the front bracket and the first rear bracket. is rotatably connected, and the seat bag assembly is slidably arranged on the side bar.