Filtering and circulation system for pool

Abstract

A filtering and circulation system includes a skimmer having an upper water inlet and a lower water inlet positioned opposite the upper water inlet. A water flow driving device is fluidly coupled to the skimmer via a drainage pipe. The upper water inlet is positioned adjacent a top surface of the pool, the lower water inlet is positioned adjacent a bottom surface of the pool, and the water flow driving device circulates water discharged from the skimmer into the pool.

1 . A filtering and circulation system for a pool, the filtering and circulation system comprising:
 a skimmer comprising:
 an upper water inlet positioned adjacent a top surface of the pool; and 
 a lower water inlet positioned opposite the upper water inlet and positioned adjacent a bottom surface of the pool; and 
   a water flow driving device fluidly coupled to the skimmer via a drainage pipe;   wherein the water flow driving device circulates water discharged from the skimmer into the pool.   
     
     
         2 . The filtering and circulation system of  claim 1 , wherein the drainage pipe further includes a branch having an end portion that extends to the bottom surface of the pool to form the lower water inlet. 
     
     
         3 . The filtering and circulation system of  claim 2 , wherein the branch further comprises:
 an inner pipe;   an outer pipe;   a mounting head arranged between the inner pipe and the outer pipe; and   a steering head arranged between the inner pipe and the outer pipe;   wherein the mounting head is received by a connecting hole formed in the pool and hermetically sealed to the outer pipe, and the steering head is connected between the mounting head and the inner pipe.   
     
     
         4 . The filtering and circulation system of  claim 2 , further comprising a directional valve mounted on the drainage pipe at a location where the directional valve engages the drainage pipe, such that the drainage pipe and the branch are both connected to the directional valve. 
     
     
         5 . The filtering and circulation system of  claim 4 , further comprising a valve flap rotatably mounted within the directional valve, such that rotation of the valve flap switches a flow path of the directional valve. 
     
     
         6 . The filtering and circulation system of  claim 5 , wherein the valve flap comprises a rotating shaft extending out of an outer wall of the directional valve and connected to a handle. 
     
     
         7 . The filtering and circulation system of  claim 1 , further comprising a water curtain discharge device mounted on a frame of the pool, the water curtain discharge device including a water curtain outlet that forms a water curtain that falls into the pool. 
     
     
         8 . The filtering and circulation system of  claim 7 , further comprising a lamp mounted on the water curtain discharge device. 
     
     
         9 . The filtering and circulation system of  claim 1 , further comprising:
 a water supply connector mounted on the pool; and   a water discharge pipe extending between the water supply connector and the water flow driving device.   
     
     
         10 . The filtering and circulation system of  claim 9 , wherein the water supply connector comprises:
 a connector body;   an inner end cover;   a threaded sleeve mounted between the connector body and the inner end cover; and   a raised ring arranged on an outer wall of the threaded sleeve;   wherein the threaded sleeve is received by a mounting hole formed in the pool, the raised ring is sealed against an inner wall of the pool, the threaded sleeve is in threaded connection with a fastening sleeve hermetically sealed to an outer wall of the pool, the inner end cover is connected to an inner end of the threaded sleeve, and the connector body is connected to an outer end of the threaded sleeve.   
     
     
         11 . A filtering and circulation system for a pool, the filtering and circulation system comprising:
 a skimmer comprising:
 an upper water inlet; and 
 a lower water inlet positioned opposite the upper water inlet; 
   a water flow driving device fluidly coupled to the skimmer via a drainage pipe; and   a pool skimmer connection structure that couples the skimmer to the pool, the pool skimmer connection structure comprising:
 a skimmer body; 
 a skimmer drainage tube extending between the skimmer body and the pool and comprising an outer stressed surface; 
 a fastening sleeve connected to a liner of the pool and comprising an inner stressed surface; and 
 a connector disposed on the fastening sleeve; 
   wherein the connector extends through the liner of the pool and is connected to the skimmer drainage tube, the outer stressed surface of the skimmer drainage tube and the inner stressed surface of the fastening sleeve are respectively secured to an inner wall and an outer wall of the liner.   
     
     
         12 . The filtering and circulation system of  claim 11 , further comprising an outer sealing ring mounted between the outer stressed surface and the outer wall of the liner. 
     
     
         13 . The filtering and circulation system of  claim 11 , further comprising an inner sealing ring mounted between the inner stressed surface and the inner wall of the liner. 
     
     
         14 . The filtering and circulation system of  claim 11 , wherein the fastening sleeve is pre-mounted to the liner, and the inner stressed surface is sealed to the inner wall of the liner. 
     
     
         15 . The filtering and circulation system of  claim 11 , further comprising:
 a connecting disk disposed about the skimmer drainage tube; and   a locking sleeve disposed about the skimmer drainage tube;   wherein the locking sleeve abuts against the connecting disk, and the locking sleeve is connected to the connector to allow the skimmer drainage tube to be fastened to the connector.   
     
     
         16 . The filtering and circulation system of  claim 1 , wherein a baffle is mounted in the skimmer drainage tube, and a lower portion of the baffle is rotatably mounted to the skimmer drainage tube. 
     
     
         17 . A filtering and circulation system for a pool, the filtering and circulation system comprising:
 a skimmer comprising:
 an upper water inlet; and 
 a lower water inlet positioned opposite the upper water inlet; 
   a water flow driving device fluidly coupled to the skimmer via a drainage pipe;   a pool skimmer connection structure that couples the skimmer to the pool; and   a water curtain discharge device mounted to the pool, the water curtain discharge device comprising:
 a water curtain inlet; and 
 a water curtain outlet; 
   wherein water is delivered into the water curtain discharge device from the water curtain inlet and discharged from the water curtain outlet to form a water curtain that falls into the pool.   
     
     
         18 . The filtering and circulation system of  claim 17 , wherein the water curtain discharge device further includes a water channel cavity positioned between and in fluid communication with the water curtain inlet and the water curtain outlet, the water channel cavity having a width that increases from the water curtain inlet to the water curtain outlet. 
     
     
         19 . The filtering and circulation system of  claim 17 , further comprising a plurality of side tubes provided on an upper edge of the pool, wherein adjacent side tubes of the plurality of side tubes are connected via a side tube joint, and the water curtain discharge device is mounted to the side tube joint. 
     
     
         20 . The filtering and circulation system of  claim 17 , wherein the water curtain discharge device is connected to a lamp holder on a side of the water curtain discharge device where the water curtain outlet is located, and a lamp is mounted to the lamp holder.