Spiral fine tuning mechanism of lifting worms of projector

Spiral fine tuning mechanism of lifting worms of projector

  • CN 104,633,409 A
  • Filed: 02/28/2015
  • Published: 05/20/2015
  • Est. Priority Date: 02/28/2015
  • Status: Active Application
First Claim
Patent Images

1. projector elevating endless screw screw micro-adjustment mechanism, by worm mechanism, screw mechanism is composited, it is characterized in that:

  • worm mechanism is by worm gear (2), (3), and worm screw (1) (5), (4), (6) form, worm screw (1), (4), (6) coaxial line, and be connected with frame, rotation direction is identical, modulus is equal, respectively with worm gear (2), (3), (5) engage, worm gear (2), (3), (5) one end is connected with frame (15), the other end and spiral (7), (9), (11) axis is connected, screw mechanism is by external spiral (7), (9), (11) with internal spiral (8), (10), (13) formed, external spiral (7), (9), (11) axis and worm gear (2), (3), (5) coaxial line connects, internal spiral (8), (10), (13) be connected with raising platform (12).

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