Lifting Element and Adjustment Device

Abstract

A valve element includes an actuator with an SMA wire and a return spring, and a base plate from which the actuator extends. The actuator includes at least a first fastening element attached to the base plate, and a second fastening element attached to the first fastening element via the return spring. The SMA wire is arranged between base plate and the second fastening element. The actuator further includes a first sealing element arranged on a side of the actuator facing away from the base plate on a head side on the second fastening element. A related lift element, lift element arrangement, distributor element, adjusting device, adjusting device arrangement, seat, vehicle, and antenna are also disclosed.

1 . A valve element comprising:
 an actuator with an SMA wire and a return spring; and   a base plate from which the actuator extends, wherein the actuator includes at least a first fastening element attached to the base plate, and a second fastening element attached to the first fastening element via the return spring, wherein the SMA wire is arranged between the base plate and the second fastening element, wherein the actuator further includes a first sealing element arranged on a side of the actuator facing away from the base plate on a head side on the second fastening element.   
     
     
         2 . The valve element according to  claim 1 , wherein the actuator includes a first actuator with the first sealing element and the valve element further includes a second actuator with a second sealing element. 
     
     
         3 . A distributor element with a valve element according to  claim 2 , further including a housing an opening for inserting the valve element including at least a first housing connection and a second housing connection, wherein at least one second housing connection can be closed with the first sealing element. 
     
     
         4 . The distributor element according to  claim 3 , wherein the housing further includes a third housing connection, wherein the second housing connection includes a first connecting element and a second connecting element ( 96 ,  97 ), which are especially fluidically connected to one another permanently, wherein the third housing connection has a connecting element, wherein the second connecting element of the first housing connection and the connecting element of the third housing connection are aligned parallel to one another. 
     
     
         5 . A lift element comprising:
 a body defining an opening and a first connection; and   a flexible element tightly closing the opening of the body, wherein the flexible element is movable between a lowered position and a lift position by changing a volume of a fluid in the body connected to the flexible element, and wherein the connection includes a valve.   
     
     
         6 . The lift element according to  claim 5 , wherein the fluid is air. 
     
     
         7 . The lift element according to  claim 5 , wherein the flexible element is one of a membrane or a membrane with a bellows. 
     
     
         8 . The lift element according to  claim 5 , wherein the valve is housed in the body. 
     
     
         9 . The lift element according to  claim 5 , wherein the valve is one of a 3/2-way valve or a 3/3-way valve. 
     
     
         10 . The lift element according to  claim 5 , wherein the body further defines an outlet, wherein the valve is configured so as to close the connection and the outlet at least one of alternately and simultaneously. 
     
     
         11 . The lift element according to  claim 5 , wherein the valve an actuator with an SMA wire, a return spring and a first sealing element, wherein the valve includes a valve element according to  claim 1 . 
     
     
         12 . The lift element according to  claim 5 , further including a bistable folding mechanism fixing the flexible element in place in the lowered position and in the lift position. 
     
     
         13 . A lift element arrangement including at least two lift elements according to  claim 5 , wherein the lift elements are respectively connectable to the first connection with a supply line are connectable to a pump, and the valve of each lift element can be separately controlled. 
     
     
         14 . The lift element arrangement according to  claim 13 , wherein the lift elements are arranged on a carrier, wherein the carrier is one single piece and has recesses. 
     
     
         15 . The lift element arrangement according to  claim 14 , wherein the carrier includes at least one of the supply lines electrical connections. 
     
     
         16 . An adjusting device including a lift element according to  claim 5 , and further including one of an adjuster and a spring element pressing against the flexible element of the lift element or a first lift element with a flexible element on whose side facing away from the body an adjuster is arranged, wherein the adjuster is simultaneously arranged on a flexible element of a second lift element oppositely disposed. 
     
     
         17 . An adjusting arrangement including several adjusting devices according to  claim 16 . 
     
     
         18 . A vehicle seat including a lift element arrangement according to  claim 13 . 
     
     
         19 . A motor vehicle including a lift element according to  claim 5 . 
     
     
         20 . An antenna including an adjusting arrangement according to  claim 17 .