一种化学滴定法采样泵用的多通道采样结构

Abstract

本实用新型适用于采样泵设备技术领域，提供了一种化学滴定法采样泵用的多通道采样结构，包括采样泵主体，采样泵主体包括进气管；采样结构，采样结构包括连接筒和检测管，连接筒具有通孔，检测管具有采样头，连接筒具有安装孔；调节结构，调节结构包括转动杆和固定球，固定球置于检测管的远离采样头的下端部；本实用新型中，使用者先将每个检测管分别插接于每个通孔；每个检测管一端部的采样头分别朝向不同方向，在使用者要对对应范围的气体进行检测时，使用者下压并转动转动杆，直至安装柱另一端部的固定球将其他检测管下端部堵住，便于使用者根据实际检测需要调整，扩大设备适用性范围。

Claims

1. A multi-channel sampling structure for a chemical titration method sampling pump, characterized by, include: The sampling pump body (1) includes an air inlet pipe (11). The sampling structure (2) includes a connecting cylinder (21) and a plurality of detection tubes (22). The side wall of the connecting cylinder (21) has a plurality of spaced through holes (211). Each detection tube (22) is inserted into each of the through holes (211). The detection tube (22) has a sampling head (221) at one end away from the connecting cylinder (21). The lower end of the connecting cylinder (21) is threaded to the air inlet pipe (11). The ends of the plurality of detection tubes (22) away from the sampling head (221) are placed at the lower end of the connecting cylinder (21). The upper end of the connecting cylinder (21) has a mounting hole (212). Adjustment structure (3) includes a rotating rod (31) and a fixed ball (32). The fixed ball (32) is fixedly disposed at the lower end of the rotating rod (31). The rotating rod (31) is vertically inserted into the mounting hole (212). The fixed ball (32) is placed at the lower end of the detection tube (22) away from the sampling head (221).

2. A multi-channel sampling structure for a chemical titration method sampling pump according to claim 1, characterized in that: The sampling pump body (1) also includes a fixing frame (12), which is fixedly installed inside the air inlet pipe (11), and the lower end of the rotating rod (31) is raised and lowered and placed on the fixing frame (12).

3. A multi-channel sampling structure for a chemical titration method sampling pump according to claim 2, characterized in that: The upper end face of the fixed frame (12) has a fixed post (121), and the lower end of the rotating rod (31) has a plug hole (311). The fixed post (121) is placed in the plug hole (311). The adjustment structure (3) also includes a spring (33). The spring (33) is sleeved on the fixed post (121). The two ends of the spring (33) are connected to the upper end face of the fixed frame (12) and the lower end face of the fixed post (121).

4. A multi-channel sampling structure for a chemical titration method sampling pump according to claim 3, characterized in that: The adjustment structure (3) also includes a mounting post (34), which is L-shaped. The upper end of the mounting post (34) is connected to the fixed ball (32). The rotating rod (31) is provided with a plurality of circumferentially distributed threaded holes (312) at intervals. The lower end of the mounting post (34) is threadedly connected to the threaded holes (312).

5. A multi-channel sampling structure for a chemical titration method sampling pump according to claim 4, characterized in that: The adjustment structure (3) also includes a rubber ring (35), which is fixedly installed on the fixed ball (32) and fits into the gap between the detection tube (22) and the fixed ball (32).

6. A multi-channel sampling structure for a chemical titration method sampling pump according to claim 4, characterized in that: The rotating rod (31) has a handle (313) at its upper end away from the insertion hole (311). The handle (313) extends from the mounting hole (212) a predetermined distance above the connecting cylinder (21). The fixing bracket (12) has a placement groove (123) concentrically arranged with the fixing post (121). The lower end of the spring (33) is placed in the placement groove (123).

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