Multifunctional shower arm

Abstract

A multifunctional shower support arm is disclosed. The support arm includes a handle, a locking cover, a switching valve, a four-way joint and a support arm. An installation cavity is provided in the four-way joint, and the switching valve is installed in the installation cavity. A head of that switching valve is connected with the handle, and the four-way joint is connected with a first screw by welding. The four-way joint is connected with the supporting arm through the cooperation of the first screw and the first nut. The end of the supporting arm is connected with the top spray. The inlet water channel, the first outlet water channel and the second outlet water channel are arranged inside the four-way joint. The water inlet channel, the first water outlet channel and the second water outlet channel are respectively communicated with the installation cavity.

What is claimed is: 
     
         1 . A multifunctional shower support arm, comprising:
 a handle, a locking cap, a switching valve, a four-way joint, and a support arm; an installation cavity is arranged in the four-way joint; the switching valve is installed in the installation cavity and is secured with the locking cap; a head of the switching valve is connected with the handle; the four-way joint is connected with a first screw by welding; the four-way joint is connected with the support arm through the cooperation of the first screw and the first nut; an end of the support arm is connected with the top spray; the inlet water channel, the first outlet water channel and the second outlet water channel are arranged inside the four-way joint; the water inlet channel, the first water outlet channel and the second water outlet channel are respectively communicated with the installation cavity; and the water outlet end of the first water outlet channel is connected with a hand-held shower.   
     
     
         2 . The multifunctional shower arm of  claim 1 , wherein the arm comprises an arm body and a three-way body, the arm body is connected with the three-way body by a second screw rod and a second nut; the arm body is provided with a third outlet water channel; one end of the third outlet water channel is connected with the second outlet water channel; the other end of the third outlet water channel is connected with the three-way body; and the outlet end of the three-way body is tapped for connecting with the top spray. 
     
     
         3 . The multifunctional shower arm of  claim 1 , wherein a first pattern is arranged on an end surface of the four-way joint connected with the arm. 
     
     
         4 . The multifunctional shower support arm of  claim 1 , wherein the water outlet of the first water outlet channel is tapped with external threads for connecting the handheld shower. 
     
     
         5 . The multifunctional shower arm of  claim 1 , wherein the end surface of the arm contacting with the four-way joint is provided with a second pattern. 
     
     
         6 . The multifunctional shower arm of  1 , wherein the inlet end of the inlet water channel of the four-way joint is tapped with a positive screw thread; the water inlet end of the water inlet channel is equipped with a spin tightening component; the spin tightening component comprises a lock nut and a lock joint; the lock nut is screw-connected with the water inlet end of the water inlet channel; and the lock joint is internally provided with a reverse thread.