Improved structure of quantitative sampling reagent feed device

Improved structure of quantitative sampling reagent feed device

  • CN 202,903,768 U
  • Filed: 11/07/2012
  • Issued: 04/24/2013
  • Est. Priority Date: 11/07/2012
  • Status: Active Grant
First Claim
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1. the structure-improved of a quantitative sampling reagent adding device comprises sampling head (1), connector (2), O-ring seal (3) and Reagent Tube (4) from front to back successively, it is characterized in that:

  • Described sampling head (1) is fixed on two poles (1b) that are angle by the kapillary (1a) of plastics needle tubing shape and connects and composes, two poles (1b) are fixed on the connector (1c) of hollow tubular, then insert to be fixed in the adapter sleeve (2a) of connector (2) front opening;

    Described connector (2) is constituted by socket (2c) and the inner feed tube (2b) of outside, described feed tube (2b) is the test tube shape, front opening is communicated with the adapter sleeve (2a) in the place ahead, rear portion round bottom projection one prong (2e) is offered inlet opening (2d) at the sidepiece of prong (2e);

    Described O-ring seal (3) is made of elastic body, is step-like, first half inwall and socket (2c) outer wall coupling, latter half inwall and Reagent Tube (4) outer wall coupling;

    Reagent Tube (4) is pipe, and the two sections inner chambers in front and back cut off the leading flank close encapsulation film (4a) of leading portion.

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