Base assembly and child seat

Abstract

We provide child seats that can be attached to vehicle seats, allowing babies and children to ride in them while ensuring the safety of the occupants. [Solution] This disclosure provides a base assembly 1 including a base 10, a sliding element 30, a support leg 20, and a support leg telescopic structure, wherein the sliding element 30 is retractably positioned on the base 10, the support leg 20 is rotatably connected to the sliding element 30 and extends and retracts together with the sliding element 30, the support leg 20 has an extended position when in use and a folded position when not in use, and the support leg telescopic structure moves the sliding element 30 and the support leg 20 inward of the base 10 in response to the rotation of the support leg 20 from the extended position to the folded position.

Claims

1. A base assembly comprising a base, a sliding element, support legs, and a support leg extension structure, The sliding element is retractably arranged on the base, The support legs are rotatably connected to the sliding element and extend and retract together with the sliding element, and the support legs have an extended position when in use and a folded position when not in use. The support leg extension structure moves the sliding element and the support leg inward from the base in accordance with the rotation of the support leg from the extended position to the folded position. A base assembly characterized by the following features.

2. The base includes a base bracket, the sliding element includes a sliding bracket, the sliding bracket is sleeved to the base bracket and slidable relative to the base bracket, the sliding element extends from the base and at least a portion of it can be retracted into the base. The base assembly according to feature 1.

3. The support leg extension structure includes a drive element and a guide assembly, the drive element being positioned within the slide element and rotating together with the support leg, and the guide assembly being capable of converting the rotation of the drive element into an actuation force that moves the slide element and the support leg together inward from the base. The base assembly according to claim 2, characterized in that it is as described above.

4. The guide assembly includes a traction element and a swivel linkage, wherein the traction element transmits the motion of one end of the traction element to the other end of the traction element, the swivel linkage is rotatably connected to the base, one end of the swivel linkage is connected to the other end of the traction element, and the other end of the swivel linkage is connected to the slide bracket. The base assembly according to claim 3, characterized in that it is as described above.

5. The traction element includes a wire and a jacket, the jacket being fixed to the base and flexible, the wire being positioned inside the jacket, and both ends of the wire extending from the jacket and connected to one end of the rotation linkage and the support leg, respectively. The base assembly according to feature 4.

6. The guide assembly includes a towing rack and a transmission gear that mesh with each other, the towing rack being positioned on the base along the sliding direction of the slide bracket relative to the base bracket, and the transmission gear being formed on the outer circumferential surface of the drive element. The base assembly according to any one of claims 3 to 5.

7. The guide assembly includes a traction rod, one end of which is rotatably connected to the base bracket, and the other end of which is rotatably connected to the drive element. The base assembly according to any one of claims 3 to 6, characterized in that it is as described above.

8. A groove is formed on the outer surface of the drive element, and the other end of the traction rod is located within the groove. The base assembly according to feature 7.

9. The base assembly further includes a cover, which is coaxially positioned with the drive element and shields the gap between the support leg and the housing of the slide element when the support leg rotates to the folded position. The base assembly according to any one of claims 3 to 8.

10. The outer circumferential surface of the drive element is formed in an arc shape, at least partially. The base assembly according to any one of claims 3 to 9.

11. The base assembly further includes a first recovery element for moving the sliding element outward from the base, and a second recovery element for rotating the support leg from the folded position to the extended position. The base assembly according to any one of claims 1 to 10.

12. A child car seat comprising a base assembly and a seat positioned on the base assembly, The base assembly is the base assembly described in any one of claims 1 to 11. A child car seat characterized by the following features.

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