Granted Patent B1

US 12,644,298 · App. 19/065,091 · Granted Jun 2, 2026

Inventor: Yuan Wang (Dongguan, CN)

E04H4/10

Abstract

Claims (31)

1 . A swimming pool cover, comprising:

a flexible cover layer, wherein the flexible cover layer comprises a middle part and a peripheral part, the peripheral part is connected to the middle part, the middle part is used for covering a swimming pool opening of a swimming pool, the peripheral part is used for surrounding an outer side wall of the swimming pool, and the peripheral part is provided with a first outer edge;

a hanging lug, wherein the hanging lug is connected to the flexible cover layer, the hanging lug is positioned on the peripheral part and completely arranged on a radially outside surface of the peripheral part, and the hanging lug is connected to the peripheral part via a connecting piece inserted between the hanging lug and the radially outside surface of the peripheral part, a spacing is defined between the hanging lug and the first outer edge, and the hanging lug is provided with a first rope threading opening; and

a first tightening rope body, wherein the first tightening rope body is threaded through the first rope threading opening, a spacing is defined between the first tightening rope body and the first outer edge, and the first tightening rope body is used for tightening the peripheral part onto the outer side wall of the swimming pool.

2 . A swimming pool cover, comprising:

a flexible cover layer, wherein the flexible cover layer comprises a middle part and a peripheral part, the peripheral part is connected to the middle part, the middle part is used for covering a swimming pool opening of a swimming pool, the peripheral part is used for surrounding an outer side wall of the swimming pool, and the peripheral part is provided with a first outer edge;

a hanging lug, wherein the hanging lug is connected to the covering layer, the hanging lug is positioned on the peripheral part and completely arranged on a radially outside surface of the peripheral part, a spacing is defined between the hanging lug and the first outer edge, and the hanging lug is provided with a first rope threading opening; and

a first tightening rope body, wherein the first tightening rope body is threaded through the first rope threading opening, a spacing is defined between the first tightening rope body and the first outer edge, and the first tightening rope body is used for tightening the peripheral part onto the outer side wall of the swimming pool; and

a partition part, wherein the partition part is formed by sewing two parts of the hanging lug together divides the first rope threading opening of the hanging lug into a first threading hole formed between first non-sewn regions of the two parts of the hanging lug and a second threading hole formed between second non-sewn regions of the two parts of the hanging lug, the first tightening rope body is threaded through the first threading hole, and the second threading hole is used for connecting with a counterweight or a ground nail.

3 . The swimming pool cover according to claim 1 , further comprising a first adjusting buckle, wherein the first tightening rope body is connected to the first adjusting buckle, the first tightening rope body is threaded through the first rope threading opening and surrounds to form a first tightening space, the first tightening space is used for tightening the peripheral part onto the outer side wall of the swimming pool, and the first adjusting buckle is used for adjusting a size of the first tightening space.

4 . The swimming pool cover according to claim 3 , wherein the first adjusting buckle is switchable between a locked state and an unlocked state; when the first adjusting buckle is in the locked state, the first tightening space is contractible, and the first tightening space is not expandable; and when the first adjusting buckle is in the unlocked state, the first tightening space is contractible or expandable.

5 . The swimming pool cover according to claim 4 , wherein the first adjusting buckle is a first ratchet adjusting buckle; the first ratchet adjusting buckle comprises a first housing, a first winding spool, and a first pawl; the first winding spool is connected to the first housing, and the first winding spool is rotatable inside the first housing; one end of the first tightening rope body is connected to the first housing, and an opposite end of the first tightening rope body is wound around the first winding spool and threaded out of the first housing; the first winding spool extends to form a first ratchet, and the first pawl is movable between a locked position and an unlocked position; when the first pawl moves to the locked position, the first pawl engages with the first ratchet, the first adjusting buckle is in the locked state, the first winding spool and the first ratchet are rotatable in a first direction to contract the first tightening space, the first winding spool and the first ratchet are not rotatable in a second direction to expand the first tightening space, and the first direction is opposite to the second direction; when the first pawl moves to the unlocked position, the first pawl separates from the first ratchet, the first adjusting buckle is in the unlocked state, the first winding spool and the first ratchet are rotatable in the first direction to contract the first tightening space, and the first winding spool and the first ratchet are rotatable in the second direction to expand the first tightening space.

6 . The swimming pool cover according to claim 5 , wherein the first ratchet adjusting buckle also comprises a first elastic restoration device, the first elastic restoration device is connected to the first housing, the first elastic restoration device abuts against the first pawl, and the first elastic restoration device pushes the first pawl towards a direction of the first ratchet to the locked position, so that the first pawl engages with the first ratchet.

7 . The swimming pool cover according to claim 6 , wherein the first ratchet is provided with a plurality of interconnected first unidirectional tooth portions, the first unidirectional tooth portion comprises a first inclined guide surface and a first stop surface, and the first inclined guide surface is connected to the first stop surface; when the first pawl is engaged with the first ratchet, the first ratchet is rotatable in the first direction through the first inclined guide surface so that the first winding spool is rotatable in the first direction to contract the first tightening space, and the first stop surface blocks the first ratchet from rotating in the second direction so that the first winding spool is not rotatable in the second direction to expand the first tightening space.

8 . A swimming pool cover, comprising:

a flexible cover layer, wherein the flexible cover layer comprises a middle part and a peripheral part, the peripheral part is connected to the middle part, the middle part is used for covering a swimming pool opening of a swimming pool, the peripheral part is used for surrounding an outer side wall of the swimming pool, and the peripheral part is provided with a first outer edge configured to extend downwards for connecting with a counterweight or a ground nail;

a hanging lug, wherein the hanging lug is connected to the covering layer, the hanging lug is positioned on the peripheral part and completely arranged on a radially outside surface of the peripheral part, a spacing is defined between the hanging lug and the first outer edge, and the hanging lug is provided with a first rope threading opening; and

a first tightening rope body, wherein the first tightening rope body is threaded through the first rope threading opening, a spacing is defined between the first tightening rope body and the first outer edge, and the first tightening rope body is used for tightening the peripheral part onto the outer side wall of the swimming pool; and

wherein the first outer edge is provided with a second rope threading opening, the swimming pool cover further comprises a second tightening rope body, the second tightening rope body is threaded through the second rope threading opening, and the second tightening rope body is used for tightening a bottom edge of the first outer edge onto the outer side wall of the swimming pool.

9 . The swimming pool cover according to claim 8 , further comprising a second adjusting buckle, wherein the second tightening rope body is connected to the second adjusting buckle, the second tightening rope body is threaded through the second rope threading opening and surrounds to form a second tightening space, the second tightening space is used for tightening the first outer edge onto the outer side wall of the swimming pool, and the second adjusting buckle is used for adjusting a size of the second tightening space.

10 . The swimming pool cover according to claim 9 , wherein the second adjusting buckle is a second ratchet adjusting buckle; the second ratchet adjusting buckle comprises a second housing, a second winding spool, and a second pawl; the second winding spool is connected to the second housing, and the second winding spool is rotatable inside the second housing; one end of the second tightening rope body is connected to the second housing, and an opposite end of the second tightening rope body is wound around the second winding spool and threaded out of the second housing; the second winding spool extends to form a second ratchet, and the second pawl is movable between a locked position and an unlocked position; when the second pawl moves to the locked position, the second pawl engages with the second ratchet, the second adjusting buckle is in a locked state, the second winding spool and the second ratchet are rotatable in a third direction to contract the second tightening space, the second winding spool and the second ratchet are not rotatable in a fourth direction to expand the second tightening space, and the third direction is opposite to the fourth direction; when the second pawl moves to the unlocked position, the second pawl separates from the second ratchet, the second adjusting buckle is in an unlocked state, the second winding spool and the second ratchet are rotatable in the third direction to contract the second tightening space, and the second winding spool and the second ratchet are rotatable in the fourth direction to expand the second tightening space.

11 . The swimming pool cover according to claim 10 , wherein the second ratchet adjusting buckle also comprises a second elastic restoration device, the second elastic restoration device is connected to the second housing, the second elastic restoration device abuts against the second pawl, and the second elastic restoration device pushes the second pawl towards a direction of the second ratchet to the locked position, so that the second pawl is engaged with the second ratchet.

12 . The swimming pool cover according to claim 11 , wherein the second ratchet is provided with a plurality of interconnected second unidirectional tooth portions, the second unidirectional tooth portion comprises a second inclined guide surface and a second stop surface, and the second inclined guide surface is connected to the second stop surface; when the second pawl is engaged with the second ratchet, the second ratchet is rotatable in the third direction through the second inclined guide surface so that the second winding spool is rotatable in the third direction to contract the second tightening space, and the second stop surface blocks the second ratchet from rotating in the fourth direction so that the second winding spool is not rotatable in the fourth direction to expand the second tightening space.

13 . The swimming pool cover according to claim 9 , wherein the second adjusting buckle is a second elastic adjusting buckle, the second elastic adjusting buckle comprises a first adjusting housing and a first elastic column, the first elastic column is connected to the first adjusting housing, and the first elastic column is slidable inside the first adjusting housing to a locked position or an unlocked position; a first opening is defined in the first adjusting housing, the first elastic column is provided with a first spring and a second opening, the second tightening rope body passes through the first opening and the second opening in sequence, the first spring pushes the first elastic column towards the locked position, and the first opening and the second opening are staggered from each other, so that an inner wall of the first opening and an inner wall of the second opening squeeze and lock the second tightening rope body, and the second tightening rope body is not movable within the first opening and the second opening, thereby fixing the size of the second tightening space; when the first elastic column is pushed to the unlocked position under an external force, the first opening and the second opening are aligned with each other, and the second tightening rope body is movable within the first opening and the second opening, thereby adjusting the size of the second tightening space.

14 . The swimming pool cover according to claim 9 , further comprising a third adjusting buckle, wherein the third adjusting buckle is connected to the second tightening rope body, the third adjusting buckle is used for adjusting the size of the second tightening space, and the third adjusting buckle and the second adjusting buckle are different types of adjusting buckles.

15 . The swimming pool cover according to claim 14 , wherein the third adjusting buckle is a third elastic adjusting buckle, the third elastic adjusting buckle comprises a second adjusting housing and a second elastic column, the second elastic column is connected to the second adjusting housing, the second elastic column is slidable inside the second adjusting housing to a locked position or an unlocked position, a third opening is defined in the second adjusting housing, the second elastic column is provided with a second spring and a fourth opening, the second tightening rope body passes through the third opening and the fourth opening in sequence, the second spring pushes the second elastic column towards the locked position, and the third opening and the fourth opening are staggered from each other, so that an inner wall of the third opening and an inner wall of the fourth opening squeeze and lock the second tightening rope body, and the second fastening rope body is not movable within the third opening and the fourth opening, thereby fixing the size of the second tightening space; when the second elastic column is pushed to the unlocked position under an external force, the third opening and the fourth opening are aligned with each other, and the second tightening rope body is movable within the third opening and the fourth opening, thereby adjusting the size of the second tightening space.

16 . The swimming pool cover according to claim 14 , wherein a total number of the third adjusting buckle is multiple, and the multiple third adjusting buckles are arranged in sequence around the second tightening rope body.

17 . The swimming pool cover according to claim 2 , wherein a width of the second threading hole is greater than a width of the first threading hole.

18 . The swimming pool cover according to claim 3 , further comprising a partition part, wherein the partition part divides the first rope threading opening of the hanging lug into a first threading hole and a second threading hole, the first tightening rope body is threaded through the first threading hole, the second threading hole is used for connecting with a counterweight or a ground nail, and a width of the first adjusting buckle is greater than a width of the first threading hole.

19 . The swimming pool cover according to claim 2 , wherein a width of the first threading hole and a width of the second threading hole are in a range from 0.1 mm to 20 cm, a width range of the cover layer is in a range from 6 feet to 36 feet, a thickness of the cover layer is in a range from 0.1 mm to 10 mm, and a width of the partition part is in a range from 1 mm to 5 mm.

20 . The swimming pool cover according to claim 1 , wherein the cover layer is formed by stitching a plurality of cover body units through suture lines, the cover layer is an oxford cloth cover layer or a PE woven cloth cover layer, and the first tightening rope body is a flexible first tightening rope body.

Priority Claims (1)

References Cited (13)