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CN-224202833-U - Sampling device for gas detection

CN224202833UCN 224202833 UCN224202833 UCN 224202833UCN-224202833-U

Abstract

The utility model relates to the technical field of gas detection, and provides a sampling device for gas detection, which comprises a bottom plate, wherein the top of the bottom plate is fixedly connected with a supporting rod, the top of the supporting rod is fixedly connected with a collecting chamber, the left side of the collecting chamber is fixedly connected with a guide pipe, the left side of the guide pipe is fixedly connected with an air suction chamber, the left side of the air suction chamber is fixedly connected with an air inlet pipe, the inside of the air suction chamber is fixedly connected with a fan, the side surface of the air inlet pipe is slidably connected with a sliding rod, the surface of the sliding rod is in threaded connection with a nut, one end of the sliding rod is fixedly connected with a baffle ring positioned in the air inlet pipe, a filter screen is arranged, gas can be filtered under the action of the filter screen, when the filter screen needs to be replaced, the fixing plate is pulled to be separated from the filter screen, the sliding rod is slid leftwards after the nut is unscrewed, and the filter screen is pushed out from the inside of the air inlet pipe by moving the baffle ring, so that the filter screen is dismounted.

Inventors

  • Zhang Guanqiu
  • Yue Shuhao

Assignees

  • 湖北楚净检测技术有限公司

Dates

Publication Date
20260505
Application Date
20250324

Claims (10)

  1. 1. The utility model provides a sampling device for gas detection, includes bottom plate (1), its characterized in that, the top fixedly connected with bracing piece (2) of bottom plate (1), the top fixedly connected with collection chamber (3) of bracing piece (2), the left side fixedly connected with pipe (4) of collection chamber (3), the left side fixedly connected with suction chamber (5) of pipe (4), the left side fixedly connected with intake pipe (6) of suction chamber (5), the inside fixedly connected with fan (7) of suction chamber (5), the side sliding connection of intake pipe (6) has slide bar (8), the surface threaded connection of slide bar (8) has nut (9), the one end fixedly connected with of slide bar (8) is located baffle ring (10) inside intake pipe (6), one side laminating of baffle ring (10) has filter screen (11) that are located inside intake pipe (6), the top and the bottom of intake pipe (6) all fixedly connected with first spring (12), the one end of two sets of first spring (12) all fixedly connected with intake pipe (6) with slide bar (13), collection box (14) are located inside collection box (14), the inside sliding connection of collection box (14) has closing plate (16), the both ends of closing plate (16) all fixedly connected with collection box (14) fixed connection's second spring (17), the top of collection room (3) is through screw fixedly connected with roof (22), the top threaded connection of roof (22) has lead screw (18) of embedding into inside closing plate (16).
  2. 2. The sampling device for gas detection according to claim 1, wherein the top of the bottom plate (1) is fixedly connected with a mounting plate (19), the inside thread of the mounting plate (19) is connected with a screw (20), and the bottom of the screw (20) is fixedly connected with a plug rod (21).
  3. 3. The sampling device for gas detection according to claim 1, wherein the joint portion of the gas inlet pipe (6) and the nut (9) is provided as a plane, and the slide bar (8) forms a fixed state by the nut (9) with the baffle ring (10).
  4. 4. The sampling device for gas detection according to claim 1, wherein the baffle ring (10) and the filter screen (11) are both closely attached to the inside of the gas inlet pipe (6).
  5. 5. The sampling device for gas detection according to claim 1, wherein the fixing plate (13) is tightly attached to the filter screen (11) when inserted into the gas inlet pipe (6), and the filter screen (11) and the baffle ring (10) form a fixed state through the fixing plate (13).
  6. 6. The sampling device for gas detection according to claim 1, wherein the two side tuyeres of the blower (7) correspond to the positions of the guide pipe (4) and the air inlet pipe (6), respectively.
  7. 7. The sampling device for gas detection according to claim 1, wherein the sealing plate (16) is tightly combined with the collection box (14), and the through hole (15) can be completely closed when the sealing plate (16) descends.
  8. 8. The sampling device for gas detection according to claim 1, wherein the sealing plate (16) is fixed by a screw (18).
  9. 9. The sampling device for gas detection according to claim 2, wherein the insertion rod (21) is disposed vertically downward, and the bottom of the insertion rod (21) is pointed.
  10. 10. The sampling device for gas detection according to claim 2, wherein the bottom of the base plate (1) is provided with a slot positioned corresponding to the insertion rod (21).

Description

Sampling device for gas detection Technical Field The utility model relates to the technical field of gas detection, in particular to a sampling device for gas detection. Background Gas detection refers to the use of specialized instruments or equipment for detecting contaminants in the air, such as harmful gases, volatile organic compounds, particulates, etc., which aids in assessing and managing environmental quality and taking necessary measures to protect the ecosystem and human health. Through searching, the prior patent (bulletin number: CN 222258868U) discloses a gas detection sampling device, which comprises a base, wherein a sampling box is movably arranged on the base, a fan is arranged on the outer wall of one side of the sampling box, a sampling mechanism is movably arranged on the sampling box, the sampling mechanism comprises a sampling frame, a sampling pipe and a plugging frame, the sampling pipe is movably arranged on the sampling frame, and the plugging frames are respectively movably arranged on two sides of the sampling pipe. According to the gas detection sampling device provided by the utility model, air is sucked into the collecting box through the fan, then the air can be sampled through the sampling mechanism, so that the air can uniformly enter the inside of the sampling pipe, the two ends of the sampling pipe are sealed through the plugging frame after the sampling, the air in the sampling pipe is ensured to be continuously reserved, the air is moved to the detecting machine for detection, and the base is vertically placed on the ground during the sampling, so that the air suction angle of the fan is adjusted by adjusting the angle of the collecting box. However, in the above scheme, although the purpose of collecting the gas can be achieved, the filter screen and the device are of an integral structure, so that the filter screen and the device are inconvenient to clean, and after the device is used for a long time, the surface of the device is stained with a lot of dust and powder particles, so that the gas can be influenced to enter the collecting device. In view of the above, the present utility model provides a sampling device for gas detection. Disclosure of Invention The utility model provides a sampling device for gas detection, which solves the problems that the related technology can realize the purpose of collecting gas, but a filter screen and equipment are of an integral structure and are inconvenient to clean, and after long-term use, the surface is stained with a lot of dust and powder particles, so that the gas is influenced to enter the collecting equipment. The technical scheme includes that the sampling device for gas detection comprises a bottom plate, a supporting rod is fixedly connected to the top of the bottom plate, a collecting chamber is fixedly connected to the top of the supporting rod, a guide pipe is fixedly connected to the left side of the collecting chamber, an air suction chamber is fixedly connected to the left side of the guide pipe, an air inlet pipe is fixedly connected to the left side of the air suction chamber, a fan is fixedly connected to the inside of the air suction chamber, a sliding rod is connected to the side face of the air inlet pipe in a sliding mode, a nut is connected to the surface of the sliding rod in a threaded mode, a baffle ring is fixedly connected to one end of the sliding rod and located inside the air inlet pipe, a filter screen located inside the air inlet pipe is attached to one side of the baffle ring, first springs are fixedly connected to the top and the bottom of the air inlet pipe, a fixing plate which is in sliding connection with the air inlet pipe is fixedly connected to one ends of the two groups of the first springs, a collecting box is placed inside the collecting box, a through hole is formed in the left side of the collecting box, a sealing plate is fixedly connected to the two ends of the sealing plate, a second spring which is fixedly connected with the collecting box, and the top of the collecting box is fixedly connected to the top of the sealing plate through a screw. Preferably, the top fixedly connected with mounting panel of bottom plate, the inside threaded connection of mounting panel has the screw rod, the bottom fixedly connected with inserted bar of screw rod. Preferably, the joint part of the air inlet pipe and the nut is set to be a plane, and the slide bar enables the baffle ring to form a fixed state through the nut. Preferably, the baffle ring and the filter screen are tightly attached to the inner part of the air inlet pipe. Preferably, the fixing plate is tightly attached to the filter screen when inserted into the air inlet pipe, and the filter screen forms a fixed state with the baffle ring through the fixing plate. Preferably, the air inlets at two sides of the fan correspond to the air inlet pipe respectively. Preferably, the sealing plate is tightly combined with the collecting