CN201021303Y - foldable stroller - Google Patents

Abstract

A foldable children's stroller, which includes a frame, wheels arranged under the frame, and a locking mechanism arranged on the frame, and the frame includes two symmetrical side brackets and transverse connecting rods connecting the two side brackets, each of the side brackets includes push rods, side armrests, front wheel brackets, rear wheel brackets, seat cushion bars, backrest connectors and folding links. The rear wheel bracket is provided with a guide groove extending along the length direction of the rear wheel bracket. Since a folding link is added to the vehicle frame, and a guide groove is provided on the rear wheel bracket for the sliding of the backrest connector, This makes the vehicle frame more compact after being folded and saves space.

Description

foldable stroller

technical field

The utility model relates to a foldable stroller for children.

Background technique

A traditional stroller generally includes a foldable frame, wheels arranged under the frame, and a locking mechanism arranged on the frame for controlling the frame. The traditional frame includes two symmetrical side brackets on the left and right sides And the horizontal link connecting these two side brackets horizontally, the effect of gathering the car body is achieved by folding the side brackets, but the current vehicle frame often still takes up a lot of space after folding, which is inconvenient to use.

Contents of the invention

The purpose of the utility model is to avoid the above-mentioned problems, and to provide a baby stroller with a small volume after being folded.

In order to achieve the above purpose, the technical solution adopted by the utility model is: a foldable children's stroller, which includes a frame, wheels arranged under the frame, and a locking mechanism arranged on the frame , the vehicle frame includes two symmetrical side brackets on the left and right sides and a transverse connecting rod transversely connecting the two side brackets, each of the side brackets includes a push rod, a side armrest, a front wheel bracket, and a rear wheel bracket , a seat cushion bar, a backrest connector, the push rod is pivotally connected to one end of the side armrest through a first rotation shaft, and the upper end of the front wheel bracket is connected to the side armrest through a second rotation The upper end of the rear wheel bracket is pivotally connected to the side armrest through the third rotation axis, and the seat post is pivotally connected to the front wheel bracket through the fourth rotation axis. The seat post and the rear wheel bracket are rotatably connected through the fifth rotation shaft, one end of the backrest connector is rotatably connected with the rear wheel bracket through the fifth rotation shaft, and the locking mechanism has at least two Working state: locked state and unlocked state. When the locking mechanism is in the locked state, the frame is in the unfolded state. When the locking mechanism is in the unlocked state, the frame is in the foldable state. Each of the The side bracket also includes a folding link, one end of the folding link is pivotally connected to the push rod through the sixth rotation axis, and the other end is pivotally connected to the rear wheel bracket through the seventh rotation axis, and the backrest is connected to The member and the folding link are pivotally connected through the eighth rotating shaft. The rear wheel bracket is provided with a guide groove extending along the length direction of the rear wheel bracket. One end of the fifth rotating shaft can be Slidingly located in the guide groove along the guide groove.

A basket rod extending backward is connected to one end of the seat cushion rod for hanging the basket.

The sixth rotation axis is located on the lower side of the first rotation axis, and the lower side refers to the side close to the ground.

The utility model has the advantages that: since the folding link is added to the vehicle frame, and a guide groove is provided on the rear wheel support for sliding of the backrest connector, the vehicle frame is compact after folding and saves space.

Description of drawings

Accompanying drawing 1 is the schematic diagram when vehicle frame fully unfolds;

Accompanying drawing 2 is the schematic diagram when vehicle frame is folded;

Accompanying drawing 3 is the schematic diagram of vehicle frame after being fully folded;

Accompanying drawing 4 is the schematic diagram that the fifth rotating shaft is installed in the guide groove;

Among them: 1. Push rod; 2. Side armrest; 3. Front wheel support; 4. Rear wheel support; 5. Seat cushion bar; 6. Backrest connector; 7. First rotating shaft; 9. The third rotation axis; 10. The fourth rotation axis; 11. The fifth rotation axis; 12. The folding link; 13. The sixth rotation axis; 14. The seventh rotation axis; 15. The eighth rotation axis; 16. Guide groove; 17, basket rod; 19, vehicle frame; 20, wheel.

Detailed ways

As shown in accompanying drawing 1-2, a kind of foldable stroller for children, it comprises vehicle frame 19, the wheel 20 that is arranged under described vehicle frame 19, the locking mechanism that is arranged on described vehicle frame 19, Described vehicle frame 19 comprises two symmetrical side brackets on the left and right sides and the transverse connecting rod that transversely connects these two side brackets, each described side bracket comprises push rod 1, side armrest 2, front wheel bracket 3, Rear wheel bracket 4, seat cushion rod 5, backrest connector 6, one end of said push rod 1 and said side armrest 2 is pivotally connected by first rotating shaft 7, the upper end of said front wheel bracket 3 It is pivotally connected with the side armrest 2 through the second rotating shaft 8, the upper end of the rear wheel bracket 4 is pivotally connected with the side armrest 2 through the third rotating shaft 9, and the seat cushion The rod 5 is pivotally connected to the front wheel bracket 3 through the fourth rotating shaft 10, the seat cushion rod 5 and the rear wheel bracket 4 are rotatably connected through the fifth rotating shaft 11, and one end of the backrest connector 6 is connected to the rear The wheel bracket 4 is rotatably connected through the fifth rotating shaft 11. The locking mechanism has at least two working states: a locked state and an unlocked state. When the locking mechanism is in the locked state, the vehicle frame is in the unfolded state. When the locking mechanism is in the unlocked state, the vehicle frame is in a foldable state, and each of the side brackets also includes a folding link 12, and one end of the folding link 12 is connected to the push rod 1 through the sixth rotation. The shaft 13 is pivotally connected, and the other end is pivotally connected with the rear wheel bracket 4 through the seventh rotating shaft 14. The backrest connector 6 is pivotally connected with the folding link 12 through the eighth rotating shaft 15. The rear wheel bracket 4 is provided with a guide groove 16 extending along the length direction of the rear wheel bracket 4, and one end of the fifth rotating shaft 11 is slidably located in the guide groove 16 along the guide groove 16. Inside.

A basket rod 17 extending backward is connected to one end of the seat cushion rod 5 .

The sixth rotating shaft 13 is located at the lower side of the first rotating shaft 7, and the lower side refers to the side close to the ground.

When the vehicle frame 19 needs to be folded, the locking mechanism is moved, and the push rod 1 is pressed downward, and the side armrest 2, the front wheel support 3, the rear wheel support 4 and the seat cushion bar 5 form a four-link structure to be folded; On the one hand, the push rod 1 pushes the folding connecting rod 12 to rotate around the seventh rotation axis 14, and the folding connecting rod 12 pushes the backrest connector 6 to slide downward along the guide groove 16 through the eighth rotation axis 15, while the backrest is connected Part 6 also rotates around the fifth rotating shaft 11 and drives the seat cushion bar 5 to slide downward along the guide groove 16 through the fifth rotating shaft 11; Shown in accompanying drawing 3), save space.

Claims (3)

1. A collapsible children's stroller, which comprises a vehicle frame (19), a wheel (20) arranged below the described vehicle frame (19), a locking mechanism arranged on the described vehicle frame (19) , the vehicle frame (19) includes two symmetrical side brackets on the left and right sides and a transverse connecting rod transversely connecting the two side brackets, each of the side brackets includes a push rod (1), a side armrest (2 ), front wheel bracket (3), rear wheel bracket (4), seat post (5), backrest connector (6), the push rod (1) and one end of the side armrest (2) pass through The first rotating shaft (7) is pivotally connected, the upper end of the front wheel bracket (3) is pivotally connected to the side armrest (2) through the second rotating shaft (8), and the rear wheel The upper end of the bracket (4) is pivotally connected to the side armrest (2) through the third rotating shaft (9), and the seat post (5) is connected to the front wheel bracket ( 3) are pivotally connected, the seat post (5) and the rear wheel bracket (4) are rotatably connected through the fifth rotating shaft (11), and one end of the backrest connector (6) is connected to the rear wheel bracket ( 4) Rotatably connected by the fifth rotating shaft (11), the locking mechanism has at least two working states: locked state and unlocked state, when the locking mechanism is in the locked state, the frame is in the unfolded state , when the locking mechanism is in the unlocked state, the vehicle frame is in a foldable state, characterized in that: each of the side brackets also includes a folding link (12), and the folding link (12) One end is pivotally connected to the push rod (1) through the sixth rotating shaft (13), and the other end is pivotally connected to the rear wheel support (4) through the seventh rotating shaft (14). The backrest connector (6 ) is pivotally connected with the folding link (12) through the eighth rotating shaft (15), and the described rear wheel support (4) is provided with a guide extending along the length direction of the rear wheel support (4) A slot (16), one end of the fifth rotating shaft (11) is slidably located in the guide slot (16) along the guide slot (16). 2. The foldable stroller for children according to claim 1, characterized in that: a basket rod (17) extending backward is connected to one end of the seat cushion rod (5). 3. The foldable children's stroller according to claim 1, characterized in that: the sixth rotating shaft (13) is located on the lower side of the first rotating shaft (7), and the lower side Refers to the side closer to the ground.

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