CN1709754A - stroller - Google Patents

Abstract

A go-cart for infants consists of the frame, the front-wheel component and the back-wheel component. The frame of the go-cart contains the bracket of the front-wheel, the side bracket in two sides of the bracket of the front-wheel. The side bracket of each side contains the bracket of the back-wheel and the down pushing hold- haulm. The bracket of the front-wheel sets a sliding set. The top ending of the back-wheel connects with the back of the bracket of the front-wheel. The bottom of the down pushing hold-haulm connects with the back of bracket of the front-wheel. The side bracket contains the top connecting haulm and the bottom connecting haulm. The back ending of the top connecting haulm connects with the down pushing hold haulm. The front ending of the top connecting haulm connects with the sliding set. The back ending of the bottom connecting haulm connects with the bracket of the back-wheel. The front ending of the bottom connecting haulm connects with the sliding set, while folding, it glides ahead the sliding set following the bracket of the front-wheel.

Description

stroller

Technical field

The invention relates to a stroller for children.

Background technique

The children's stroller in the prior art includes a stroller frame, a front wheel assembly, and a rear wheel assembly. The stroller frame includes a front wheel bracket and side brackets located on both sides of the front wheel bracket, each side The side bracket includes a rear wheel bracket and a push-down handle bar. The front wheel assembly is set on the front wheel bracket, and the rear wheel assembly is set on the rear wheel bracket. In order to facilitate transportation, the whole The frame of the car is designed to be foldable to a smaller volume, so the front wheel bracket, the rear wheel bracket and the push-down handle are usually set to be foldable, and the side brackets on both sides are designed to be relatively foldable . In order to facilitate the user's folding operation, it is usually necessary to set a driving mechanism on the cart frame, so that when the user folds the front wheel bracket, the rear wheel bracket and the push-down lever, the driving mechanism can simultaneously make the two sides The side brackets are relatively folded, and the driving mechanism makes the structure of the cart frame more complicated.

Contents of Invention

The object of the present invention is to provide a baby stroller, which has a smaller volume after being folded and a simple structure of the stroller frame.

The technical solution of the present invention is: a children's stroller, including a stroller frame, a front wheel assembly, and a rear wheel assembly. bracket, the side brackets on each side include a rear wheel bracket and a push-down handle bar, the front wheel assembly is arranged on the front wheel bracket, the rear wheel assembly is arranged on the rear wheel bracket, the The front wheel bracket is provided with a sliding sleeve slidingly along the front and rear direction of the front wheel bracket, the upper end of the rear wheel bracket is connected to the rear of the front wheel bracket in a rotational manner, and the push-down handle The lower end of the rod is rotatably connected to the rear of the front wheel bracket, and the side bracket also includes an upper link and a lower link, and the rear end of the upper link is connected to the push-down The rods are rotatably connected, the front end of the upper link is rotatably connected to the sliding sleeve, the rear end of the lower link is rotatably connected to the rear wheel bracket, and the lower link is rotatably connected to the rear wheel bracket. The front end of the connecting rod is rotatably connected with the sliding sleeve.

Compared with the prior art, the present invention has the following advantages: when folding, only the sliding sleeve needs to be slid forward along the front wheel bracket, and under the action of the upper link and the lower link, the The push-down lever and the rear wheel bracket can be folded relative to the front wheel bracket, the structure is simple, and it can be folded to a smaller volume.

Description of drawings

Accompanying drawing 1 is the expanded perspective view of the present invention;

Accompanying drawing 2 is a half-folded front view of the present invention;

Accompanying drawing 3 is the folding front view of the present invention;

Among them: 1. Cart frame; 2. Front wheel assembly; 3. Rear wheel assembly; 4. Front wheel support; 5. Rear wheel support; 6. Push down lever; 7. Push up lever; 8. Slide 10. Upper link; 11. Lower link; 12. Back support; 13. Seat bar; 14. Push-up bar connector; 15. Locking groove; 16. Seat bar connector; 18. Side bracket; 19. The first anti-rotation part; 20. The second anti-rotation part; 21. The first rotation shaft; 22. The second rotation shaft; 23. The first extension part; 24. The second extension part;

Detailed ways

As shown in accompanying drawing 1, a kind of stroller for children comprises stroller frame 1, front wheel assembly 2, rear wheel assembly 3, and described stroller frame 1 includes front wheel support 4, is positioned at described front wheel The side brackets 18 on both sides of the bracket 4, the side brackets 18 on each side include the rear wheel bracket 5 at the bottom and the push-down lever 6 at the top, and the front wheel assembly 2 is arranged on the front wheel bracket 4 On the front portion, the rear wheel assembly 3 is arranged on the bottom of the rear wheel bracket 5 . As shown in the accompanying drawings, the front wheel bracket 4 is slidably provided with a sliding sleeve 8 along the front and rear direction of the front wheel bracket 4, and the upper end of the rear wheel bracket 5 is connected to the front wheel bracket 4. The rear part is rotatably connected, the lower end of the push-down lever 6 is rotatably connected with the rear part of the front wheel bracket 4, and the side bracket 18 also includes an upper link 10, a lower link 11. The rear end of the upper link 10 is rotatably connected to the push-down handle 6, the front end of the upper link 10 is rotatably connected to the sliding sleeve 8, and the The rear end of the lower link 11 is rotatably connected to the rear wheel bracket 5 , and the front end of the lower link 11 is rotatably connected to the sliding sleeve 8 .

As shown in the accompanying drawings, the upper link 10 on each side is rotatably connected with a seat post connector 16, and the seat post connector 16 is slidably connected with a seat post 13. The rear end of the bar 13 is rotatably connected to the rear of the front wheel bracket 4, and the seat bar 13 is provided with a seat.

The push-down handle bar 6 is rotatably connected with a push-up handle bar 7. When the cart frame 1 is unfolded, there is a gap between the push-up handle bar 7 and the push-down handle bar 6. relatively locked. The push-down handle bar 6 is connected with a push-up handle bar connector 14, and a locking groove 15 is provided on the described push-up handle bar connector 14. As shown in Figure 1, when the cart frame 1 is unfolded, , the push-up rod 7 is inserted into the locking groove 15 . The push-up handle bar 7 and the push-down handle bar 6 are rotated and arranged. This structure can make the stroller frame fold to a smaller volume, and the height of the stroller is convenient for the user when unfolded. carry out. The push-up handle 7 can also be slidably arranged on the push-down handle 6 .

A foldable back support 12 is arranged between the push-down handle bars 6 in the side brackets on both sides, and the two outer ends of the back support 12 are rotated with the push-down handle bars 6 on the corresponding sides respectively. The connection makes the stroller more stable when unfolded.

As shown in Figure 1, the rear portion of the front wheel bracket 4 has a first anti-rotation member 19, when the cart frame 1 is unfolded, the rear wheel bracket 5 is against the first On the stopper 19. The rear portion of the front wheel bracket 4 has a second anti-rotation member 20 , and when the cart frame 1 is unfolded, the push-down lever 6 abuts against the second anti-rotation member 20 . Through the first anti-rotation member 19 and the second anti-rotation member 20, the expansion of the stroller is limited.

As shown in accompanying drawing 1, the rear part of described front wheel bracket 4 has the first extension part 23 that extends laterally to both sides respectively, and the lower end of push-down lever 6 on each side is connected with the first extension part of corresponding side respectively. The extensions 23 are rotatably connected, and the upper ends of the rear wheel brackets 5 on each side are also rotatably connected to the first extensions 23 on the corresponding sides. Both the first anti-rotation member 19 and the second anti-rotation member 20 are arranged on the first extension part 23, and the first extension parts 23 on both sides are provided with the first anti-rotation part. The rotating member 19 and the second anti-rotating member 20 described above. The sliding sleeve 8 has second extensions 24 extending laterally to both sides, the lower end of the upper link 10 on each side is rotatably connected to the second extensions 24 on the corresponding side, the lower end of each side The upper ends of the connecting rods 11 are also rotatably connected to the second extensions 24 on the corresponding sides.

Claims (8)

1, a kind of children trolley, comprise go-cart vehicle frame (1), front component (2), wheel assembly (3), described go-cart vehicle frame (1) comprises front-wheel support (4), be positioned at the side stand (18) of described front-wheel support (4) both sides, the side stand of every side (18) comprises rear wheel support (5), push-down handle bar (6), described front component (2) is arranged on the described front-wheel support (4), described wheel assembly (3) is arranged on the described rear wheel support (5), it is characterized in that: the fore-and-aft direction of described front-wheel support (4) upper edge front-wheel support (4) is provided with sliding sleeve (8) slidably, the upper end of described rear wheel support (5) is connected rotatedly with the rear portion of described front-wheel support (4), the bottom of described push-down handle bar (6) is connected rotatedly with the rear portion of described front-wheel support (4), described side stand (18) also comprises boxed rod (10), lower link (11), the rearward end of described boxed rod (10) rotates with described push-down handle bar (6) and is connected, the leading section of described boxed rod (10) rotates with described sliding sleeve (8) and is connected, the rearward end of described lower link (11) rotates with described rear wheel support (5) and is connected, and the leading section of described lower link (11) rotates with described sliding sleeve (8) and is connected.

2, children trolley according to claim 1, it is characterized in that: be connected with seat post attaching parts (16) on the boxed rod of described every side (10) rotationally, the seat post that has been slidingly connected on the described seat post attaching parts (16) (13), the rearward end of described seat post (13) rotates with the rear portion of described front-wheel support (4) and is connected, and described seat post (13) is provided with the seat.

3, children trolley according to claim 1, it is characterized in that: be connected with push-up handle bar (7) on the described push-down handle bar (6) rotationally, when described go-cart vehicle frame (1) launches, relative locking between described push-up handle bar (7) and the described push-down handle bar (6).

4, children trolley according to claim 1, it is characterized in that: be provided with folding back brace (12) between the push-down handle bar (6) in the side stand of described both sides, two outer ends of described back brace (12) rotate with the push-down handle bar (6) of respective side respectively and are connected.

5, children trolley according to claim 1 is characterized in that: the rear portion of described front-wheel support (4) has the first spline part (19), and when described go-cart vehicle frame (1) launched, described rear wheel support (5) was against on the described first spline part (19).

6, children trolley according to claim 1 is characterized in that: the rear portion of described front-wheel support (4) has the second spline part (20), and when described go-cart vehicle frame (1) launched, described push-down handle bar (6) was against on the described second spline part (20).

7, children trolley according to claim 1, it is characterized in that: the rear portion of described front-wheel support (4) has first extension (23) that forms to the both sides horizontal expansion respectively, the bottom of the push-down handle bar (6) of every side is connected rotatedly with first extension (23) of respective side respectively, and the upper end of the rear wheel support of every side (5) also is connected with first extension (23) of respective side respectively rotatedly.

8, children trolley according to claim 1, it is characterized in that: described sliding sleeve (8) has second extension (24) that forms to the both sides horizontal expansion respectively, the bottom of the boxed rod of every side (10) is connected rotatedly with second extension (24) of respective side respectively, and the upper end of the lower link of every side (11) also is connected with second extension (24) of respective side respectively rotatedly.

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