Frame structure and baby stroller

Patent metadata

Field	Value
Publication number	US-11840272-B2
Application number	US-202117566160-A
Country	US
Kind code	B2
Filing date	Dec 30, 2021
Priority date	Jan 4, 2021
Publication date	Dec 12, 2023
Grant date	Dec 12, 2023

Abstract

A frame structure and a baby stroller are provided. The frame structure includes a hand-gripping part; a front leg pivotally connected with the hand-gripping part; a rear leg pivotally connected with the hand-gripping part; a basket tube including two side rods and a rear rod connected with the two side rods, each of the side rods including a first end and a second end, the first end being pivotally connected to the front leg, and the second end being pivotally connected to the rear leg; a fixing seat slidably disposed on the front leg for connecting the seat bracket to the front leg; a linkage rod having an end pivotally connected to the basket tube, and the other end pivotally connected to the fixing seat. The front leg includes a sliding rail along its longitudinal direction, and the fixing seat includes a sliding groove matched with the sliding rail.

First claim

What is claimed is:

1. A frame structure ( 1 ) comprising:
a hand-gripping part ( 10 );
a front leg ( 20 ) pivotally connected with the hand-gripping part ( 10 );
a rear leg ( 30 ) pivotally connected with the hand-gripping part ( 10 );
a basket tube ( 40 ) comprising two side rods ( 42 ) and a rear rod ( 44 ) connected with the two side rods ( 42 ), each of the two side rods ( 42 ) comprising a first end ( 421 ) and a second end ( 422 ) that are opposite to each other, the first end ( 421 ) being pivotally connected to the front leg ( 20 ), and the second end ( 422 ) being pivotally connected to the rear leg ( 30 );
a fixing seat ( 50 ) slidably disposed on the front leg ( 20 ) for connecting the seat bracket ( 60 ) to the front leg ( 20 ); and
a linkage rod ( 70 ) having an end pivotally connected to the basket tube ( 40 ), and the other end pivotally connected to the fixing seat ( 50 ),
wherein the front leg ( 20 ) comprises a sliding rail ( 22 ) along its longitudinal direction, and the fixing seat ( 50 ) comprises a sliding groove ( 52 ) matched with the sliding rail ( 22 ), so that the fixing seat ( 50 ) slides along the sliding rail ( 22 ).

2. The frame structure ( 1 ) according to claim 1 , wherein the hand-gripping part ( 10 ) comprises a retracting handle ( 12 ) for unlocking the locking state between the hand-gripping part ( 10 ) and the front leg ( 20 ).

3. The frame structure ( 1 ) according to claim 1 , wherein the hand-gripping part ( 10 ) comprises a folding joint ( 14 ), and both the front leg ( 20 ) and the rear leg ( 30 ) are pivotally connected to the folding joint ( 14 ).

4. The frame structure ( 1 ) according to claim 1 , wherein the fixing seat ( 50 ) comprises a connecting pole ( 54 ) for connecting with the seat bracket ( 60 ).

5. The frame structure ( 1 ) according to claim 1 , wherein the linkage rod ( 70 ) is a connecting iron sheet.

6. The frame structure ( 1 ) according to claim 1 , wherein the hand-gripping part ( 10 ) comprises a sleeve tube ( 16 ) for facilitating an operator to grip.

7. The frame structure ( 1 ) according to claim 1 , wherein the basket tube ( 40 ) further comprises a connecting mount ( 423 ), and the first end ( 421 ) of each of the two side rods ( 42 ) is pivotally connected to the front leg ( 20 ) through the connecting mount ( 423 ).

8. The frame structure ( 1 ) according to claim 1 , wherein the two side rods ( 42 ) and the rear rod ( 44 ) of the basket tube ( 40 ) are integrally formed, so that the basket tube ( 40 ) is in a U-shape as a whole.

9. The frame structure ( 1 ) according to claim 1 , wherein the frame structure ( 1 ) comprises:
two front legs ( 20 ) and two rear legs ( 30 ) respectively arranged symmetrically in a left-right direction;
two fixing seats ( 50 ) respectively connected to the two front legs ( 20 ); and
two linkage rods ( 70 ) respectively connected between the two front legs ( 20 ) and the basket tube ( 40 ), wherein the hand-gripping part ( 10 ) comprises two retracting handles ( 12 ) and two folding joints ( 14 ) respectively connected to the two front legs ( 20 ).

10. A baby stroller comprising the frame structure ( 1 ) according to claim 1 .

11. A frame structure ( 1 ) comprising
a hand-gripping part ( 10 );
a front leg ( 20 ) pivotally connected with the hand-gripping part ( 10 );
a rear leg ( 30 ) pivotally connected with the hand-gripping part ( 10 );
a basket tube ( 40 ) comprising two side rods ( 42 ) and a rear rod ( 44 ) connected with the two side rods ( 42 ), each of the two side rods ( 42 ) comprising a first end ( 421 ) and a second end ( 422 ) that are opposite to each other, the first end ( 421 ) being pivotally connected to the front leg ( 20 ), and the second end ( 422 ) being pivotally connected to the rear leg ( 30 );
a fixing seat ( 50 ) slidably disposed on the front leg ( 20 ) for connecting the seat bracket ( 60 ) to the front leg ( 20 ); and
a linkage rod ( 70 ) having an end pivotally connected to the basket tube ( 40 ), and the other end pivotally connected to the fixing seat ( 50 ),
wherein the front leg ( 20 ) comprises a sliding groove along its longitudinal direction, and the fixing seat ( 50 ) comprises a sliding block matched with the sliding groove, so that the fixing seat ( 50 ) slides along the sliding groove.

12. The frame structure ( 1 ) according to claim 10 , wherein the hand-gripping part ( 10 ) comprises a retracting handle ( 12 ) for unlocking the locking state between the hand-gripping part ( 10 ) and the front leg ( 20 ).

13. The frame structure ( 1 ) according to claim 10 , wherein the hand-gripping part ( 10 ) comprises a folding joint ( 14 ), and both the front leg ( 20 ) and the rear leg ( 30 ) are pivotally connected to the folding joint ( 14 ).

14. The frame structure ( 1 ) according to claim 10 , wherein the fixing seat ( 50 ) comprises a connecting pole ( 54 ) for connecting with the seat bracket ( 60 ).

15. The frame structure ( 1 ) according to claim 10 , wherein the linkage rod ( 70 ) is a connecting iron sheet.

16. The frame structure ( 1 ) according to claim 10 , wherein the hand-gripping part ( 10 ) comprises a sleeve tube ( 16 ) for facilitating an operator to grip.

17. The frame structure ( 1 ) according to claim 10 , wherein the basket tube ( 40 ) further comprises a connecting mount ( 423 ), and the first end ( 421 ) of each of the two side rods ( 42 ) is pivotally connected to the front leg ( 20 ) through the connecting mount ( 423 ).

18. The frame structure ( 1 ) according to claim 10 , wherein the two side rods ( 42 ) and the rear rod ( 44 ) of the basket tube ( 40 ) are integrally formed, so that the basket tube ( 40 ) is in a U-shape as a whole.

19. The frame structure ( 1 ) according to claim 10 , wherein the frame structure ( 1 ) comprises:
two front legs ( 20 ) and two rear legs ( 30 ) respectively arranged symmetrically in a left-right direction;
two fixing seats ( 50 ) respectively connected to the two front legs ( 20 ); and
two linkage rods ( 70 ) respectively connected between the two front legs ( 20 ) and the basket tube ( 40 ), wherein the hand-gripping part ( 10 ) comprises two retracting handles ( 12 ) and two folding joints ( 14 ) respectively connected to the two front legs ( 20 ).

Assignees

• Wonderland Switzerland Ag

Inventors

• Zhong Zhiren

Classifications

• B62B7/06 Primary

  collapsible or foldable · CPC title

• B62B7/14

  with detachable or rotatably-mounted body {(the body usable as a child's seat in a vehicle B60N2/2848)} · CPC title

• B62B9/20

  Handle bars; Handles · CPC title

• B62B2205/20

  Catches; Locking or releasing an articulation · CPC title

• B62B7/083 Primary

  the wheel axes being moved from each other during folding · CPC title