Joint for swimming pool and swimming pool

Abstract

A joint for a swimming pool frame, and a swimming pool including the joint are provided. The joint includes a joint body including a leg pipe holder configured to have a leg pipe of the swimming pool frame inserted into the leg pipe holder. The joint also includes a side pipe holder configured to have a side pipe of the swimming pool frame inserted in the side pipe holder. A locking hole is formed through the side pipe holder. The joint body also includes a locking part including a locking pin configured to extend through the locking hole and through a corresponding connecting hole in the side pipe, thereby holding the side pipe to the side pipe holder.

What is claimed is: 
     
         1 . A joint for a swimming pool frame, the joint comprising:
 a joint body comprising:
 a leg pipe holder configured to have a leg pipe of the swimming pool frame inserted therein, and 
 a side pipe holder configured to have a side pipe of the swimming pool frame inserted therein, and comprising a locking hole formed therethrough; and 
   a locking part comprising a locking pin configured to extend through the locking hole and through a corresponding connecting hole in the side pipe, thereby holding the side pipe to the side pipe holder.   
     
     
         2 . The joint according to  claim 1 , comprising two of the side pipe holders and two of the locking parts, each of the two locking parts holding a respective side pipe to a respective one of the two side pipe holders. 
     
     
         3 . The joint according to  claim 1 , wherein:
 the locking hole is formed through a lower half of an outer circumferential wall of the side pipe holder, and   the connecting hole is formed through a lower half of an outer circumferential wall of the side pipe.   
     
     
         4 . The joint according to  claim 1 , wherein:
 the side pipe holder further comprises a clearance groove formed in an outer circumferential wall of the side pipe holder and in communication with the locking hole, and   the locking part further comprises an extended portion extending from and integrally formed with the side pipe holder, the locking pin being disposed at a distal end of the extended portion.   
     
     
         5 . The joint to  claim 1 , the locking part further comprising:
 a positioning ring configured to fit within a distal end of the side pipe holder,   an arc-shaped positioning plate extending from the positioning ring, the arc-shaped positioning plate configured to fit within the side pipe, and   a locking bar extending from the positioning ring, the locking pin disposed at a distal end of the locking bar, and the locking bar configured to fit within the side pipe.   
     
     
         6 . The joint according to  claim 1 , further comprising:
 a connecting sleeve disposed on an outer circumferential wall of the side pipe holder around the locking hole,   wherein the locking part further comprises a barrel-type cap having an open end and a closed end, the locking pin being attached to the closed end within the barrel-type cap and extending out of the locking part.   
     
     
         7 . The joint according to  claim 1 , the locking part further comprising:
 an extended portion hinged to an outer circumferential wall of the side pipe holder, the locking pin disposed at a first end of the extended portion, and   a positioning spring mounted between a second end of the extended portion and the outer circumferential wall of the side pipe holder.   
     
     
         8 . The joint according to  claim 1 , the locking part further comprising:
 a C-shaped structure configured to be clamped on an outer circumferential wall of the side pipe holder, the locking pin disposed on an inner wall of the C-shaped structure.   
     
     
         9 . The joint according to  claim 1 , the locking part further comprising:
 a mounting ring configured to fit within the side pipe holder and an end of the side pipe, the locking pin being mounted on the mounting ring, and   a locking spring disposed between the mounting ring and the locking pin and biasing the locking pin outward from the mounting ring.   
     
     
         10 . The joint according to  claim 1 , wherein the joint body is made of a plastic material. 
     
     
         11 . The joint according to one of  claims 1 - 10 , further comprising:
 a metal pipe disposed within an inner circumferential wall of the leg pipe; and   a plastic sleeve tube disposed within an inner circumferential wall of the metal pipe and configured to have the leg pipe of the swimming pool frame inserted therein.   
     
     
         12 . A swimming pool, comprising:
 a liner; and   a frame configured to support the liner, the frame comprising:
 a plurality of side pipes, 
 a plurality of leg pipes, and 
 a plurality of joints, the plurality of side pipes and the plurality of joints being alternately connected and thereby forming an annular swimming pool border, each of the plurality of joints comprising:
 a joint body comprising a leg pipe holder configured to have a leg pipe of the plurality of leg pipes inserted therein, and a side pipe holder configured to have a side pipe of the plurality of side pipes inserted therein, the side pipe holder comprising a locking hole formed therethrough, and 
 a locking part comprising a locking pin configured to extend through the locking hole and through a corresponding connecting hole in the side pipe, thereby holding the side pipe to the side pipe holder. 
 
   
     
     
         13 . The swimming pool according to  claim 12 , the joint comprising two of the side pipe holders and two of the locking parts, each of the two locking parts holding a respective side pipe to a respective one of the two side pipe holders. 
     
     
         14 . The swimming pool according to  claim 12 , wherein:
 the locking hole is formed through a lower half of an outer circumferential wall of the side pipe holder, and   the connecting hole is formed through a lower half of an outer circumferential wall of the side pipe.   
     
     
         15 . The swimming pool according to  claim 12 , wherein:
 the side pipe holder further comprises a clearance groove formed in an outer circumferential wall of the side pipe holder and in communication with the locking hole, and   the locking part further comprises an extended portion extending from and integrally formed with the side pipe holder, the locking pin being disposed at a distal end of the extended portion.   
     
     
         16 . The swimming pool according to  claim 12 , the locking part further comprising:
 a positioning ring configured to fit within a distal end of the side pipe holder,   an arc-shaped positioning plate extending from the positioning ring, the arc-shaped positioning plate configured to fit within the side pipe, and   a locking bar extending from the positioning ring, the locking pin being disposed at a distal end of the locking bar, and the locking bar configured to fit within the side pipe.   
     
     
         17 . The swimming pool according to  claim 12 , the joint further comprising:
 a connecting sleeve disposed on an outer circumferential wall of the side pipe holder around the locking hole,   wherein the locking part further comprises a barrel-type cap having an open end and a closed end, the locking pin being attached to the closed end within the barrel-type cap and extending out of the locking part.   
     
     
         18 . The swimming pool according to  claim 12 , the locking part further comprising:
 an extended portion hinged to an outer circumferential wall of the side pipe holder, the locking pin disposed at a first end of the extended portion, and   a positioning spring mounted between a second end of the extended portion and the outer circumferential wall of the side pipe holder.   
     
     
         19 . The swimming pool according to  claim 12 , the locking part further comprising a C-shaped structure configured to be clamped on an outer circumferential wall of the side pipe holder, the locking pin disposed on an inner wall of the C-shaped structure. 
     
     
         20 . The swimming pool according to  claim 12 , the locking part further comprising:
 a mounting ring configured to fit within the side pipe holder and an end of the side pipe, the locking pin being mounted on the mounting ring, and   a locking spring disposed between the mounting ring and the locking pin and biasing the locking pin outward from the mounting ring.   
     
     
         21 . The swimming pool according to  claim 12 , wherein the joint body is made of a plastic material. 
     
     
         22 . The swimming pool according to one of  claims 12 - 21 , each of the plurality of joints further comprising:
 a metal pipe disposed within an inner circumferential wall of the leg pipe; and   a plastic sleeve tube disposed within an inner circumferential wall of the metal pipe and configured to have the leg pipe of the plurality of leg pipes inserted therein.   
     
     
         23 . A joint for a swimming pool frame, the joint comprising:
 a joint body comprising:
 a leg pipe holder means for attaching to a leg pipe of the swimming pool frame; 
 a side pipe holder means for attaching to a side pipe of the swimming pool frame; and 
   a locking means for locking a locking hole formed in the side pipe holder means to a connecting hole formed in the side pipe.