Linear transmission device

A linear transmission device suitable for mounting of at least one electronic component, comprising:

• an elongated shaft member extending along an axial direction;
• a movable member sleeved onto the elongated shaft member in a reciprocating displacement along the axial direction, and having an end surface at one end thereof;
• a housing unit including:
• a base member and at least one accommodating member, wherein the base member is disposed on the end surface of the movable member and sleeved onto the elongated shaft member, and includes:
• an assembling surface on a radial outer side of the base member, and a plurality of assembling portions disposed on the assembling surface, the at least one accommodating member is disposed on the base member and includes:
• a first engaging surface facing the assembling surface, a second engaging surface opposite to the first engaging surface, and an accommodating groove located between the first engaging surface and the second engaging surface for accommodating the electronic component, and the first engaging surface is provided with a plurality of connecting portions which are combined with the assembling portions.