1. A clamping device that is adapted to be mounted on a bed railing, wherein the clamping device comprises: a housing； a base； an entrance； a pressing element attached to at least either the housing or the base； an actuating element attached to the pressing element, made with the possibility of transmitting the input force to the input part by means of a pressing element, while the pressing element provides automatic adjustment of the distance between the specified base and the specified input To ensure exact correspondence to the dimensions of the indicated bed railing, the protrusion protrudes from the body and towards the base, while the protrusion defines the outer boundary of the input part, and the protrusion comes into contact with the bed railing and fixes the clamp on the bed railing by fixing between the protrusion and the inlet. 2. The clamping device according to claim 1, in which the housing further comprises a first sponge, and the base contains a second sponge, opposite to the first sponge. The clamping device according to claim 2, wherein the protrusion is a first protrusion protruding from the first jaw, and the second jaw has a second protrusion, wherein the first and second protrusions extend towards each other. The clamping device according to claim 3, in which the first protrusion has a first flat surface opposite to the first flat surface of the second protrusion, and at least one of the first and second protrusions has a second surface extending obliquely relative to the first flat surface. . Clamping mouth1. Зажимное устройство, которое выполнено с возможностью установки на перильце кровати, при этом зажимное устройство содержит:корпус；основание；входную часть；поджимающий элемент, присоединенный к по меньшей мере или корпусу, или к основанию；исполнительный элемент, присоединенный к поджимающему элементу, выполненный с возможностью передачи входного усилия к входной части посредством поджимающего элемента, при этом поджимающий элемент обеспечив
