Electrical connection structure
A technology of electrical connection and airtight cavity, which is applied in the direction of connection, electrical components, parts of connection devices, etc., and can solve problems such as insufficient moisture protection
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[0020] The electrical connection structure 1 for mechanical and electrical connection to its not-shown counterpart comprises a plastic main casing 2 - which is surrounded by a plate-shaped part 3 with through-holes 4 for connecting the electrical connection structure 1 by screws or the like. Mechanical fastening of corresponding parts.
[0021] In the shell 2 are formed in a row four parallel cylindrical holes 5 connected by traverse channels 6 . Silver-plated metal pins 7 are respectively provided in three of the holes 5, and a moisture absorbing pin 8 is provided in one of the holes 5 - which is composed of or contains a water-absorbing polymer like sodium polyacrylate of water-absorbent polymers. The volume of the parallel bore 5 above the pins 7, 8 and the traversing channel 6 defines a common volume interconnecting the backsides of the pins 7, 8 and filled with fluid. The pins 7, 8 are inserted in the holes 5 in such a way that they are movable along their axis but the ...
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