Closure for a water container of a water pipe

Abstract

A closure bottom part is disclosed for an essentially rotationally symmetric water container of a water pipe, comprising a closure element extending in an axial direction having a continuous opening in an axial direction and characterized in that the closure bottom part comprises a clamping means having a circumferential clamping element modifiable in a radial direction, which is configured to, in a state where it is mounted to the water container, create a radially directed clamping force in order to clamp the closure bottom part between opposing walls of the water container or in order to clamp the water container between opposing walls of the closure bottom part, wherein the clamping force is based on a modification of the diameter of the clamping element in a radial direction, further comprising a displacement element displaceable in an axial direction with respect to the clamping element, which is configured to modify the clamping element in the radial direction as a result of an axial displacement of the displacement element with respect to the closure element. Furthermore, a closure for an essentially rotationally symmetric water container of a water pipe, and a water pipe are disclosed.

1 . A closure bottom part for an essentially rotationally symmetric water container ( 05 ) of a water pipe ( 99 ), comprising a closure element ( 01 ) extending in an axial direction with a continuous opening ( 22 ) in an axial direction and characterized in that the closure bottom part ( 41 ) comprises a clamping means ( 97 ) having a circumferential clamping element ( 16 ;  36 ;  61 ) modifiable in a radial direction, which is configured to, in a state where it is affixed to the water container ( 05 ), create a radially directed clamping force in order to clamp the closure bottom part ( 41 ) between opposing walls ( 13 ) of the water container ( 05 ) or in order to clamp the water container ( 05 ) between opposing walls of the closure bottom part ( 41 ), wherein the clamping force is based on a modification of the diameter of the clamping element ( 16 ;  36 ;  61 ) in a radial direction, furthermore comprising a displacement element ( 32 ;  33 ;  34 ) displaceable in an axial direction with respect to the clamping element ( 01 ) which is configured to modify the clamping element ( 16 ;  36 ) in the radial direction as a result of an axial displacement of the displacement element ( 32 ;  33 ;  34 ) with respect to the closure element ( 01 ). 
     
     
         2 . The closure bottom part according to  claim 1 , wherein the closure element ( 1 ) has a cylindrical portion ( 12 ) with a thread ( 39 ), and the displacement element ( 32 ; 
     
     
         33 . has a cylindrical portion with a corresponding mating thread ( 39 ), and they are configured such that the displacement element ( 32 ;  33 ) and the closure element ( 01 ) are displaceable with respect to one another in an axial direction as a result of a rotation motion with respect to one another. 
     
     
         3 . The closure bottom part according to  claim 2 , wherein the displacement element ( 32 ) has an internal thread, and the cylindrical portion ( 12 ) of the closure element ( 01 ) has an external thread. 
     
     
         4 . The closure bottom part according to  claim 2 , wherein the displacement element ( 32 ) has an external thread, and the cylindrical portion ( 12 ) of the closure element ( 01 ) has an internal thread. 
     
     
         5 . The closure bottom part according to  claim 1 , further comprising an operating element ( 35 ) connected to the displacement element ( 33 ;  34 ). 
     
     
         6 . The closure bottom part according to  claim 1 , further comprising a valve system ( 62 ) for supplying compressed air to the clamping element ( 61 ), which is configured such that a supply of compressed air effectuates the modification of the diameter of the clamping element ( 61 ). 
     
     
         7 . The closure bottom part according to  claim 1 , wherein the clamping element ( 61 ) includes an elastic element, for example a spring element ( 64 ), which is configured to effectuate a radial modification of the clamping element ( 61 ), and a ventilation means ( 63 ) for reducing a pressure prevailing in a clamping element ( 01 ). 
     
     
         8 . The closure bottom part according to  claim 1 , wherein the clamping element ( 16 ;  36 ;  61 ) is a sealing element, which is furthermore configured to, in a state where it is affixed to the water container ( 05 ), hermetically seal a gap ( 56 ) in a radial direction between the water container ( 05 ) and the closure element ( 01 ). 
     
     
         9 . The closure bottom part according to  claim 1 , wherein the clamping element ( 16 ) is provided at a portion ( 12 ), of the closure element ( 01 ), extending in an axial direction such that it overlaps in a radial projection with this portion ( 12 ). 
     
     
         10 . The closure bottom part according to  claim 1 , wherein the clamping element ( 36 ) is provided at a portion ( 38 ), of the displacement element ( 33 ;  34 ), extending in an axial direction such that it overlaps in a radial projection with this portion ( 38 ). 
     
     
         11 . The closure bottom part according to  claim 1 , wherein the closure bottom part ( 41 ) has a connection means ( 72 ) at its end opposite, in the axial direction, of the clamping means ( 97 ) for connecting a closure upper part ( 42 ). 
     
     
         12 . A closure for an essentially rotationally symmetric water container ( 05 ) of a water pipe ( 99 ), comprising a closure bottom part ( 41 ) according to  claim 1 , and a closure upper part ( 42 ) affixed to the end of the closure bottom part ( 98 ) opposite, in an axial direction, of the clamping means ( 97 ), and wherein the closure upper part ( 42 ) comprises a second closure element ( 02 ), a continuous opening ( 22 ) for a smoke tube ( 06 ), at least one connectivity opening ( 19 ) for at least one smoke hose ( 20 ) and at least one continuous first recess ( 27 ) for the air-permeable connection between the water container ( 05 ) and the connectivity opening ( 19 ), wherein the second closure element ( 02 ) has an essentially cylindrical portion ( 67 ), and the first closure element ( 01 ) has an essentially cylindrical portion ( 66 ), which are plugged into one another and are configured such that an axial displacement of the first closure element ( 01 ) with respect to the second closure element ( 02 ) is prevented by a positive engagement while a rotatability by 360° of the first closure element ( 01 ) with respect to the second closure element ( 02 ) is maintained. 
     
     
         13 . The closure according to  claim 12 , wherein the cylindrical portion ( 66 ) of the first closure element ( 01 ) and/or the cylindrical portion ( 67 ) of the second closure element ( 02 ) comprises a circumferential recess ( 68 ) in which an axial blocking element ( 69 ) is fitted. 
     
     
         14 . A water pipe with an essentially rotationally symmetric water container ( 5 ) comprising a closure element ( 01 ) extending in an axial direction with a continuous opening ( 22 ) in an axial direction and characterized in that the closure bottom part ( 41 ) comprises a clamping means ( 97 ) having a circumferential clamping element ( 16 ;  36 ;  61 ) modifiable in a radial direction, which is configured to, in a state where it is affixed to the water container ( 05 ), create a radially directed clamping force in order to clamp the closure bottom part ( 41 ) between opposing walls ( 13 ) of the water container ( 05 ) or in order to clamp the water container ( 05 ) between opposing walls of the closure bottom part ( 41 ), wherein the clamping force is based on a modification of the diameter of the clamping element ( 16 ;  36 ;  61 ) in a radial direction, furthermore comprising a displacement element ( 32 ;  33 ;  34 ) displaceable in an axial direction with respect to the clamping element ( 01 ) which is configured to modify the clamping element ( 16 ;  36 ) in the radial direction as a result of an axial displacement of the displacement element ( 32 ;  33 ;  34 ) with respect to the closure element ( 01 ); a closure upper part ( 42 ) affixed to the end of the closure bottom part ( 98 ) opposite, in an axial direction, of the clamping means ( 97 ), wherein the closure upper part ( 42 ) comprises a second closure element ( 02 ), a continuous opening ( 22 ) for a smoke tube ( 06 ), at least one connectivity opening ( 19 ) for at least one smoke hose ( 20 ) and at least one continuous first recess ( 27 ) for the air-permeable connection between the water container ( 05 ) and the connectivity opening ( 19 ), wherein the second closure element ( 02 ) has an essentially cylindrical portion ( 67 ), and the first closure element ( 01 ) has an essentially cylindrical portion ( 66 ), which are plugged into one another and are configured such that an axial displacement of the first closure element ( 01 ) with respect to the second closure element ( 02 ) is prevented by a positive engagement while a rotatability by 360° of the first closure element ( 01 ) with respect to the second closure element ( 02 ) is maintained. 
     
     
         15 . The water pipe according to  claim 14 , in which one wall ( 13 ) of the water container ( 05 ) comprises a clearance ( 31 ) for accommodating the clamping element ( 16 ;  36 ;  61 ).