Adjusting and filter arrangement for an injection valve and injection valve

摘要

Adjusting and filter arrangement (11) for an injection valve (10) and injection valve (10). The injection valve (10) comprises a housing (12) including a central longitudinal axis (L), the housing (12) comprising a cavity (23,24,25,26,28) with a fluid inlet portion (26) and a fluid outlet portion (28), a valve needle (22) axially movable in the cavity (23,24,25,26,28), the valve needle (22) preventing a fluid flow through the fluid outlet portion (28) in a closing position and releasing the fluid flow through the fluid outlet portion (28) in further positions, and a spring element (31) being mechanically coupled to the valve needle (22) and being designed to exert an axial force on the valve needle (22). The adjusting and filter arrangement (11) is arrangeable in the cavity (23,24,25,26,28) between the fluid inlet portion (26) and the fluid outlet portion (28) and comprises a filter element (46) being formed as a filtration body block and being designed to filter the fluid flowing from the fluid inlet portion (26) to the fluid outlet portion (28), an adjusting element (44) being designed to be rigidly coupable to the housing (12) and to preload the spring element (31) and being formed as an outer casing for the filter element (46), and a spring guiding element (48) extending in axial direction and being designed to be in engagement with the spring element (31), wherein the adjusting element (44) and the spring guiding element (48) are forming a one-piece element.