CN203228817U - Child stroller - Google Patents

Abstract

A child stroller comprises a stroller frame, a front wheel assembly, a rear wheel assembly and a frame locking mechanism. The stroller frame has an unfolding position and a folding position, the front wheel assembly is arranged in the front of the bottom of the stroller frame, the rear wheel assembly is arranged at the rear of the bottom of the stroller frame, and the frame locking mechanism is used for locking the stroller frame at the lower side of the unfolding position. When the stroller frame in a double-person stroller state needs to be switched into a single-person stroller state, an underframe positioning mechanism is unlocked, a front underframe only needs to be rearwards pulled and withdrawn in to a rear underframe, the distance from the front wheel assembly to the rear wheel assembly is shortened, and a second seat frame, seat connecting rods and expansion connecting rods are collected into the rear underframe together, so that the stroller frame is in the single-person stroller state. When the stroller frame in the single-person stroller state needs to be switched into the double-person stroller state, the underframe positioning mechanism is unlocked, and the front underframe only needs to be forwards pulled from the rear underframe, so that the distance from the front wheel assembly to the rear wheel assembly is increased, and the second seat frame, the seat connecting rods and the expansion connecting rods are unfolded above the front underframe together. The child stroller has the advantage of convenience in operation.

Description

toddler stroller

technical field

The utility model relates to a child stroller.

Background technique

A baby stroller, comprising a stroller frame with an unfolded position and a folded position, a front wheel assembly arranged at the bottom front of the stroller frame, a rear wheel assembly arranged at the bottom rear of the stroller frame wheel assembly, a frame locking mechanism for locking the stroller frame in the unfolded position, and the stroller frame has a state of a single car for one child and a double car for two children state. For example, the baby carriage whose publication number is CN1978264 includes a main cart frame, and the main cart frame includes a main front wheel bracket, a main rear wheel bracket, a main seat mechanism, and a main seat arranged on the main seat mechanism. The cart frame includes a wheel bracket, an attached seat mechanism, and an attached seat arranged on the attached seat mechanism. The lower end of the attached wheel bracket is provided with an attached wheel assembly, and the main cart frame is detachably connected with the attached cart frame, so that Switch between single-person vehicle status and double-person vehicle status.

Utility model content

A technical problem to be solved by the utility model is to provide a stroller for infants.

In order to solve the above-mentioned technical problems, a technical solution adopted by the utility model is: a stroller for infants, including a stroller frame with an unfolded position and a folded position, and is arranged wheel assembly, a rear wheel assembly arranged at the bottom rear of the cart frame, a frame locking mechanism for locking the cart frame in the unfolded position, and the cart frame has a In the state of a single-person cart for one child and the state of a double-person cart for two children, the stroller frame includes:

The bottom front frame, the front wheel assembly is arranged on the front part of the bottom front frame;

The bottom rear frame, the rear part of the bottom front frame and the front part of the bottom rear frame are slidingly arranged along the front and rear directions;

The rear bracket, the lower part of the rear bracket is connected with the rear part of the bottom rear frame in rotation around the first axis, and the rear wheel assembly is arranged on the rear part of the bottom rear frame or the rear bracket lower part of

a sliding piece, the sliding piece is rotatably connected with the front part of the bottom rear frame around the second axis;

A lower push rod, the lower push rod is connected with the upper part of the rear bracket in rotation around the third axis, and the lower part of the lower push rod can be slidably arranged on the slider along its length direction;

a first seat frame, the first seat frame is arranged on the rear frame;

Seat connecting rod, the lower part of the seat connecting rod is connected with the front part of the bottom rear frame around the fourth axis for rotation;

A telescopic link, the lower part of the telescopic link is connected with the front part of the bottom front frame to rotate around the fifth axis, and the upper part of the telescopic link is connected with the upper part of the seat link around the sixth axis rotary connection;

The second seat frame, the second seat frame is arranged on the upper part of the seat link or the upper part of the telescopic link;

When the cart frame is in the state of a single-person cart, the fourth axis and the fifth axis are close to each other, and the seat link and the telescopic link are folded and folded on the Bottom rear frame, when the cart frame is in the double cart state, the fourth axis is far away from the fifth axis, and the seat connecting rod and the telescopic connecting rod are deployed on the above the bottom front frame,

A bottom frame positioning mechanism is arranged between the bottom front frame and the bottom rear frame.

In some embodiments, the second seat frame is formed by extending upward and forward from the upper part of the seat link.

In some embodiments, the second seat frame is provided with a seat made of a cloth cover.

In some embodiments, the upper part of the telescopic link is provided with a pull handle.

In some embodiments, the first seat frame is fixed on the upper part of the rear frame, and can be detachably connected with a child's seat pocket, a child's car seat or a child's sleeping basket.

In some embodiments, the cart frame further includes an upper push rod, the upper push rod is slidably connected to the lower push rod, and a push rod positioning mechanism is arranged between them.

In some embodiments, the frame locking mechanism is disposed between the sliding member and the lower push rod.

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 use of the above-mentioned technical solutions, the utility model has the following advantages compared with the prior art: the utility model provides a technical solution of a new concept, when it is necessary to convert the cart frame from the state of a two-person cart to the state of a single-person cart When the bottom frame positioning mechanism is unlocked, the bottom front frame only needs to be pulled back and retracted into the bottom rear frame, the distance between the front wheel assembly and the rear wheel assembly is close, and the second seat frame will Store them together in the bottom rear frame, that is, it is in the state of a single-person vehicle. On the contrary, when it is necessary to convert the stroller frame from the single-person cart state to the double-person cart state, the bottom frame positioning mechanism is unlocked, and the bottom front frame is only required to be pulled forward from the bottom rear frame so that the gap between the front wheel assembly and the rear wheel assembly The distance between them is elongated, and the second seat frame is deployed above the bottom front frame along with the seat connecting rod and the telescopic connecting rod, so the operation is more convenient.

Description of drawings

Accompanying drawing 1 is the side view of pushcart frame being in single-person cart state;

Accompanying drawing 2 is the side view of the cart frame in the transition process between the single-person cart state and the double-person cart state;

Accompanying drawing 3 is the side view of the cart frame in the state of a double cart;

Accompanying drawing 4 is the three-dimensional view that pushcart frame is in single-person cart state;

Accompanying drawing 5 is the three-dimensional view that pushcart frame is under the state of double car;

Among them: 1. Bottom front frame; 2. Bottom rear frame; 3. Rear bracket; 4. Slider; 5. Lower push rod; 6. Upper push rod; 7. First seat frame; 8. Seat connecting rod; 9 , telescopic link; 10, the second seat frame;

11. The first axis; 12. The second axis; 13. The third axis; 14. The fourth axis; 15. The fifth axis; 16. The sixth axis.

Detailed ways

Referring to the accompanying drawings, a baby stroller includes a stroller frame with an unfolded position and a folded position, a front wheel assembly arranged at the bottom front of the stroller frame, and a front wheel assembly arranged at the bottom front of the stroller frame The rear wheel assembly at the bottom rear part is used to lock the frame locking mechanism of the stroller frame in the unfolded position. The stroller frame has a single-person vehicle state for one child and a seat for two children. The status of a tandem vehicle for children.

The cart frame includes:

The bottom front frame 1, the front wheel assembly is arranged on the front part of the bottom front frame 1;

The bottom rear frame 2, the rear part of the bottom front frame 1 and the front part of the bottom rear frame 2 are arranged to slide along the front and rear directions;

As shown in accompanying drawing 4, accompanying drawing 5, rear support 3, the bottom of described rear support 3 and the rear part of described end rear support 2 are rotatably connected around the first axis 11, and described rear wheel assembly is arranged on The lower part of the rear bracket 3, or the rear part of the bottom rear frame 2 is also possible;

The sliding part 4, the sliding part 4 is connected with the front part of the bottom rear frame 2 around the second axis 12 for rotation;

Lower push rod 5, said lower push rod 5 is rotatably connected with the upper part of said rear bracket 3 around a third shaft 13, and the lower part of said lower push rod 5 can be slidably arranged on said lower push rod 5 along its length direction. on slider 4;

The first seat frame 7, the first seat frame 7 is arranged on the rear bracket 3;

Seat connecting rod 8, the lower part of the seat connecting rod 8 is connected with the front part of the bottom rear frame 2 around the fourth axis 14 for rotation;

Telescopic connecting rod 9, the lower part of the telescopic connecting rod 9 is connected with the front part of the bottom front frame 1 around the fifth axis 15, and the upper part of the telescopic connecting rod 9 is connected with the seat connecting rod 8 The upper part is connected around the sixth axis 16 for rotation;

The second seat frame 10, the second seat frame 10 is arranged on the upper part of the seat link 8 or the upper part of the telescopic link 9;

When the cart frame is in the state of a single-person cart, the fourth shaft 14 is close to the fifth shaft 15, and the seat link 8 and the telescopic link 9 are folded and folded In the bottom rear frame 2, when the cart frame is in the state of a double car, the fourth shaft 14 is far away from the fifth shaft 15, and the seat link 8 is connected to the The telescopic link 9 described above is deployed above the bottom front frame 1,

A bottom frame positioning mechanism is arranged between the bottom front frame 1 and the bottom rear frame 2 . The specific structure of the chassis positioning mechanism is not the main point of the present utility model, as long as it is a structure that can lock between two sliding parts, it is applicable. The bottom front frame 1 is slidably inserted in the lumen of the bottom rear frame 2 . For example, the two can be locked by tightening the casing, or the two can be locked by the bullet hole of the spring pin.

The second seat frame 10 is formed by extending upward and forward from the upper part of the seat link 8 . The second seat frame 10 is provided with a seat made of a cloth cover.

The upper part of the telescopic link 9 is provided with a lifting handle. When the cart frame is in the transition process between the single cart state and the double cart state, it is convenient for lifting operation.

The first seat frame 7 is fixed on the top of the rear bracket 3, and can be detachably connected with a child's seat pocket, a child's car seat or a child's sleeping basket.

The cart frame also includes an upper push rod 6, which is slidably connected to the lower push rod 5, and a push rod positioning mechanism is arranged between them. When the cart frame is in the unfolded position, the user can adjust the height of the upper push rod 6 according to needs, which is convenient for holding, and in the folded position, it can be retracted into the lower push rod 5 to reduce the volume. The specific structure of the trolley positioning mechanism is not the gist of the present utility model, as long as it is a structure that can lock between two sliding parts, it is applicable.

In this embodiment, the frame locking mechanism is arranged between the sliding member 4 and the lower push rod 5 . The specific structure of the vehicle frame locking mechanism is not the gist of the present utility model, as long as it is a structure that can lock between two sliding parts, it is applicable. The sliding member 4 can be sleeved on the lower part of the lower push rod 5 , or can be slidably arranged on the lower side of the rear bracket 3 along the guide groove. The frame locking mechanism can also be arranged between the rotation connection between the lower push rod 5 and the rear bracket 3 .

As mentioned above, we have fully described according to the purpose of the utility model, but the utility model is not limited to the above-mentioned embodiment and implementation method. Practitioners in the relevant technical fields can make different changes and implementations within the scope permitted by the technical ideas of the present utility model .

Claims (7)

1. A baby stroller, comprising a stroller frame with an unfolded position and a folded position, a front wheel assembly arranged at the bottom front portion of the stroller frame, and a rear wheel assembly arranged at the bottom rear portion of the stroller frame rear wheel assembly, a frame locking mechanism for locking the stroller frame in the unfolded position, and the stroller frame has a state of a single car for one child and a seat for two children Double car state, characterized in that: the cart frame includes: The bottom front frame (1), the front wheel assembly is arranged on the front part of the bottom front frame (1); The bottom rear frame (2), the rear part of the bottom front frame (1) and the front part of the bottom rear frame (2) are arranged to slide along the front and rear directions; Rear support (3), the lower part of the rear support (3) is connected with the rear part of the bottom rear support (2) around the first axis (11), and the rear wheel assembly is arranged on the The rear part of the bottom rear frame (2) or the lower part of the rear bracket (3); a sliding piece (4), the sliding piece (4) is rotationally connected with the front part of the bottom rear frame (2) around the second axis (12); The lower push rod (5), the lower push rod (5) is connected with the upper part of the rear support (3) around the third axis (13), and the lower part of the lower push rod (5) can move along the It is slidably arranged on the slider (4) in the length direction; A first seat frame (7), the first seat frame (7) is arranged on the rear frame (3); Seat connecting rod (8), the lower part of the seat connecting rod (8) and the front part of the bottom rear frame (2) are rotatably connected around the fourth axis (14); The telescopic link (9), the lower part of the telescopic link (9) is connected to the front of the bottom front frame (1) around the fifth axis (15), and the telescopic link (9) The upper part of the upper part is connected with the upper part of the seat connecting rod (8) around the sixth axis (16); The second seat frame (10), the second seat frame (10) is arranged on the upper part of the seat link (8) or the upper part of the telescopic link (9); When the cart frame is in the state of a single-person cart, the fourth shaft (14) is close to the fifth shaft (15), and the seat link (8) is connected to the The telescopic link (9) is folded and folded on the bottom rear frame (2). When the cart frame is in the state of a double cart, the fourth axis (14) and the fifth axis ( 15) away from each other, the seat link (8) and the telescopic link (9) are deployed above the bottom front frame (1), and the bottom front frame (1) and the A bottom frame positioning mechanism is arranged between the bottom rear frames (2). 2. The baby stroller according to claim 1, characterized in that: the second seat frame (10) is formed by extending upward and forward from the upper part of the seat link (8). 3. The baby stroller according to claim 1 or 2, characterized in that: the second seat frame (10) is provided with a seat made of a cloth cover. 4. The infant stroller according to claim 1, characterized in that: the upper part of the telescopic link (9) is provided with a lifting handle. 5. The baby stroller according to claim 1, characterized in that: the first seat frame (7) is fixed on the upper part of the rear frame (3), and can be connected with the child seat pocket, child car seat or the connection for the removal of the carrycot. 6. The infant stroller according to claim 1, characterized in that: said stroller frame further comprises an upper push rod (6), said upper push rod (6) and said lower push rod ( 5) The phases are slidingly connected, and a push rod positioning mechanism is set between the two. 7. The baby stroller according to claim 1, characterized in that: the frame locking mechanism is arranged between the sliding member (4) and the lower push rod (5).

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