Sample holder bracket and furnace lid linage mechanism

Sample holder bracket and furnace lid linage mechanism

  • CN 102,353,575 B
  • Filed: 09/02/2011
  • Issued: 03/13/2013
  • Est. Priority Date: 09/02/2011
  • Status: Active Grant
First Claim
Patent Images

1. the link gear of a sample seat bracket and bell is characterized in that:

  • mainly comprise main drive, gear train and four-bar mechanism;

    Described main drive mainly comprises leading screw (5), the feed screw nut (6) of being combined with leading screw (5) screw thread that motor (1), motor (1) drive and the drive plate (7) that is integrally togather with feed screw nut (6);

    Described drive plate (7) moves up and down with the rotation of motor (1) by leading screw (5), feed screw nut (6);

    Be provided with the pull bar (8) that connects with drive plate (7) and move up and down with drive plate (7);

    Described pull bar (8) links to each other with gear train, and described gear train is connected with four-bar mechanism;

    Described four-bar mechanism comprises the upper mounted plate (16) that is fixed on the bell (14), be fixed on the bottom plate (15) on the body of heater (26), connecting rod I (12) and connecting rod II (13), described connecting rod I (12) is hinged with the upper mounted plate (16) that is fixed on the bell (14) respectively with the upper end of connecting rod II (13), connecting rod I (12) is hinged with the bottom plate (15) that is fixed on the body of heater (26) with connecting rod II (13) lower end, while connecting rod I (12), connecting rod and gear train in the connecting rod II (13) connect firmly, and are formed in bell under the gear train effect (14) and open with the action of four connecting rods, the structure of closing;

    In described body of heater (26), have a plurality of sample seat brackets (25);

    The lower end of described sample seat bracket (25) connects with drive plate (7), move up and down with drive plate (7), described drive plate (7) is positioned between frame plate (20), the lower frame plate (22), described upper frame plate (20) is fixed on the below of body of heater (26) by four root posts (27), described lower frame plate (22) is fixed on the below of upper frame plate (20) by the sliding axle (30) of four both end threads by nut;

    Sliding bearing (31) is fixed on the drive plate (7), can slide up and down along sliding axle (30) between upper frame plate (20), lower frame plate (22) by sliding bearing (31) drive plate (7);

    Consist of moving up and down with the unlatching of bell (14), closing the link gear of synchronization action of sample seat bracket (25).

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