Shower pipe

Abstract

A shower pipe is provided, including: a pipe assembly, including an outer pipe including a threaded end portion and a connecting pipe including a tubular portion and a connection portion, the tubular portion including first and second threaded end portions, the connection portion extending from the tubular portion and including a threaded hole; an inner pipe, movably inserted within the outer pipe; and a positioning assembly, including a positioning sleeve, a first positioning member and a second positioning member, the first positioning member and the connecting pipe defining an interior space, the positioning sleeve being received in the interior space and disposed around the inner pipe, the first positioning member being configured to urge the positioning sleeve to secure the inner pipe, the second positioning member being screwed with the threaded hole to radially urge the inner pipe.

What is claimed is: 
     
         1 . A shower pipe, including:
 a pipe assembly, including an outer pipe and a connecting pipe, the outer pipe including a threaded end portion, the connecting pipe including a tubular portion and a connection portion, the tubular portion including a through hole, a first threaded end portion and a second threaded end portion, the second threaded end portion being screwed with the threaded end portion, the connection portion extending outwardly from the tubular portion, the connection portion including a threaded hole in communication with the through hole;   an inner pipe, movably disposed through the through hole and inserted within the outer pipe; and   a positioning assembly, including a positioning sleeve, a first positioning member and a second positioning member, the first positioning member being screwed with the first threaded end portion, the first positioning member and the connecting pipe defining an interior space therebetween, the positioning sleeve being received in the interior space and disposed around the inner pipe, the first positioning member being adjustable relative to the connecting pipe to urge the positioning sleeve to secure the inner pipe, the second positioning member being screwed with the threaded hole to radially urge the inner pipe.   
     
     
         2 . The shower pipe of  claim 1 , wherein an outer surface of the threaded end portion includes a first thread, and an inner surface of the second threaded end portion includes a second thread screwed with the first thread. 
     
     
         3 . The shower pipe of  claim 1 , wherein the tubular portion includes a large diameter member and a small diameter member, the small diameter member has an outer diametric dimension smaller than an outer diametric dimension of the large diameter member, the small diameter member includes the first threaded end portion, the large diameter member includes the second threaded end portion, an outer circumferential surface of the first threaded end portion includes an outer threaded structure, the first positioning member is a ring member, the first positioning member includes a recession, the recession receives the first threaded end portion, and an inner circumferential surface of the recession includes an inner threaded structure screwed with the outer threaded structure. 
     
     
         4 . The shower pipe of  claim 3 , wherein the tubular portion further includes a shoulder, and the shoulder is located between the large diameter member and the small diameter member. 
     
     
         5 . The shower pipe of  claim 1 , wherein the positioning sleeve includes a first end portion and a second end portion disposed at an end opposite to the first end portion, the first end portion includes a first inclined face, the second end portion includes a second inclined face, the first positioning member includes an inclined abutting face configured to abut against the first inclined face, the connecting pipe includes an inclined engaging face configured to abut against the second inclined face, the positioning sleeve defines a central axis, and the first inclined face and the second inclined face inclinedly extend relative to the central axis. 
     
     
         6 . The shower pipe of  claim 5 , wherein the first positioning member includes a penetrating hole and a flange radially extending inwardly, the flange includes the inclined abutting face, and the inner pipe is disposed through the penetrating hole. 
     
     
         7 . The shower pipe of  claim 1 , wherein the first positioning member includes a recession, the connecting pipe is disposed within the recession, an inner circumferential surface of the recession includes an inner threaded structure, and an outer circumferential surface of the first threaded end portion includes an outer threaded structure screwed with the inner threaded structure. 
     
     
         8 . The shower pipe of  claim 1 , wherein the first threaded end portion includes an indentation, the indentation is tapered toward a direction away from the first threaded end portion, and the positioning sleeve is disposed within the indentation and partially protrusive beyond the connecting pipe. 
     
     
         9 . The shower pipe of  claim 1 , wherein the connecting pipe includes a plurality of annular grooves and a plurality of seal rings respectively received within the plurality of annular grooves, at least one of the plurality of seal rings is annularly abutted against an outer surface of the outer pipe, and at least two of the plurality of seal rings are annularly abutted against an outer surface of the inner pipe. 
     
     
         10 . The shower pipe of  claim 4 , wherein an outer surface of the threaded end portion includes a first thread, and an inner surface of the second threaded end portion includes a second thread screwed with the first thread; the positioning sleeve includes a first end portion and a second end portion disposed at an end opposite to the first end portion, the first end portion includes a first inclined face, the second end portion includes a second inclined face, the first positioning member includes an inclined face configured to abut against the first inclined face, the connecting pipe includes an inclined engaging face configured to abut against the second inclined face, the positioning sleeve defines a central axis, and the first inclined face and the second inclined face inclinedly extend relative to the central axis; the positioning sleeve is a C-shaped ring, and the positioning sleeve includes a slot; the first positioning member includes a recession, the connecting pipe is disposed within the recession, an inner circumferential surface of the recession includes an inner threaded structure, and an outer circumferential surface of the first threaded end portion includes an outer threaded structure screwed with the inner threaded structure; the first threaded end portion includes an indentation, the indentation is tapered toward a direction away from the first threaded end portion, and the positioning sleeve is disposed within the indentation and partially protrusive beyond the connecting pipe; the connecting pipe further includes a plurality of annular grooves and a plurality of seal rings respectively received within the plurality of annular grooves, at least one of the plurality of seal rings is annularly abutted against an outer surface of the outer pipe, and at least two of the plurality of seal rings are annularly abutted against an outer surface of the inner pipe; the second positioning member includes a threaded rod screwed with the threaded hole, a washer is disposed between the threaded rod and the inner pipe; the washer is disposed in the threaded hole; the washer includes a base portion and a shaft, the shaft is connected with the base portion, the threaded rod includes an axial hole, and the shaft is disposed through the axial hole.