Gas sampling probe

Abstract

The utility model relates to the technical field of gas sampling and monitoring, and discloses a gas sampling probe which comprises a mounting plate, a shell is fixedly mounted on the front side of the mounting plate, a connecting seat is arranged in the shell, a probe body is fixedly mounted at the top of the connecting seat, an electric telescopic rod is fixedly mounted on the lower portion of the front side of the mounting plate, and the electric telescopic rod is fixedly mounted on the lower portion of the front side of the mounting plate. A first rack is slidably connected to the outer side of the first sliding rod, a second rack is slidably connected to the outer side of the second sliding rod, a gear is rotatably connected to the front side of the mounting plate, a collecting bottle is arranged on the front side of the mounting plate, and a piston is slidably connected to the interior of the collecting bottle. According to the utility model, through the extension of the electric telescopic rod and the work of the probe main body, when the detected gas quality does not reach the standard, the electric telescopic rod continues to extend, the convex strip pushes the convex block to move upwards, the first rack moves upwards, the gear rotates, the second rack moves downwards, the moving seat pulls the moving frame, the piston moves downwards, and the gas is collected.

Description

Technical Field

[0001] The utility model relates to the technical field of gas sampling and monitoring, in particular to a gas sampling probe. Background Art

[0002] Gas sampling is the process of collecting samples of atmospheric pollutants or contaminated air. There are two main collection methods: one involves passing a large volume of air through a liquid absorbent or solid adsorbent to concentrate pollutants at lower concentrations, such as vacuum extraction or membrane filtration. The other involves collecting contaminated air using containers (glass bottles, plastic bags, etc.). The sampling method should be determined based on the purpose of the sampling and the site conditions. The sample should be representative. Sampling efficiency should be high, the operation should be simple, and subsequent analysis and measurement should be convenient to obtain reliable basic data on gas pollution.

[0003] For example, the Chinese patent publication number CN211825292U discloses a gas sampling probe for environmental monitoring, which relates to the field of gas sampling monitoring and is intended to solve the problem in the prior art that the monitoring components cannot be protected at any time and the gas collection speed is too slow. A soft connection layer is provided at the upper end of the device body, and the soft connection layer is fixedly connected to the device body. A cylinder is provided inside the device body, and the cylinder is fixedly connected to the device body. A polytron3000 gas monitor is provided on the soft connection layer, and the polytron3000 gas monitor is fixedly connected to the soft connection layer. The soft connection layer is fixedly connected to the cylinder. A connection layer is provided at the lower end of one side of the polytron3000 gas monitor, and the connection layer is fixedly connected to the device body. Two connection layers are provided, and the two connection layers are symmetrically arranged.

[0004] After using the gas sampling probe, it was found that although the sampling probe can detect gas, it requires manual collection of gas, which is inconvenient to use in some situations. Utility Model Content

[0005] The purpose of the utility model is to provide a gas sampling probe to solve the problem of needing to collect gas manually.

[0006] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: A gas sampling probe comprises a mounting plate, a shell is fixedly mounted on the front side of the mounting plate, a connecting seat is provided inside the shell, a probe body is fixedly mounted on the top of the connecting seat, an electric telescopic rod is fixedly mounted on the lower front side of the mounting plate, the output end of the electric telescopic rod is fixedly connected to the connecting seat, a convex strip is fixedly connected to the outer side of the output end of the electric telescopic rod, a first sliding rod is fixedly mounted on the front side of the mounting plate, a first rack is slidably connected to the outer side of the first sliding rod, a second sliding rod is fixedly mounted on the front side of the mounting plate, a second rack is slidably connected to the outer side of the second sliding rod, a gear is rotatably connected to the front side of the mounting plate, the first rack is meshed with the gear, the second rack is meshed with the gear, a protrusion is fixedly connected to the side of the first rack, and a movable seat is fixedly connected to the side of the second rack, a collecting bottle is provided on the front side of the mounting plate, a piston is slidably connected to the interior of the collecting bottle, a movable frame is fixedly mounted on the bottom of the piston, and the movable frame cooperates with the movable seat.

[0007] Preferably, a mounting hole is provided on the surface of the mounting plate.

[0008] Preferably, a mounting block is fixedly mounted on the rear side of the collecting bottle, and a mounting slot is fixedly mounted on the front side of the mounting plate, and the mounting block cooperates with the mounting slot.

[0009] Preferably, the first sliding bar is parallel to the second sliding bar.

[0010] Preferably, the position of the protrusion corresponds to the position of the protrusion in the vertical direction.

[0011] Preferably, a handle is fixedly mounted on the front side of the gear.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] The utility model extends the electric telescopic rod, the probe body moves upward, and the probe body works. When it is detected that the gas quality is not up to standard, the electric telescopic rod continues to extend, the connecting seat is moved out, and the convex strip pushes the protrusion to move upward. Viewed from the front, the first rack moves upward, the left gear rotates counterclockwise, the right gear rotates clockwise, the second rack moves downward, and the movable seat moves downward with the second rack, pulling the movable frame, the piston moves downward, and the gas is collected. This device can automatically collect gas. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the internal structure of the shell of the utility model;

[0016] Figure 3 This is a schematic diagram of the cross-sectional structure of the collecting bottle of the utility model;

[0017] Figure 4 This is a schematic diagram of the structure of the mounting block and mounting slot of the utility model.

[0018] In the figure: 1. Mounting plate; 101. Mounting hole; 2. Housing; 201. Electric telescopic rod; 202. Connecting seat; 203. Probe body; 3. Raised strip; 301. Bump; 302. First rack; 303. First slide bar; 304. Gear; 305. Second rack; 306. Second slide bar; 4. Collecting bottle; 401. Piston; 402. Moving frame; 403. Moving seat; 404. Mounting block; 405. Mounting slot. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. The described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0020] See also Figure 1-4The utility model provides a technical solution: a gas sampling probe, including a mounting plate 1, which is fixed to the wall, and a shell 2 is fixedly installed on the front side of the mounting plate 1. The shell 2 is used to protect the probe body 203. A connecting seat 202 is provided inside the shell 2, and the probe body 203 is fixedly installed on the top of the connecting seat 202. The connecting seat 202 has the same external dimensions as the probe body 203. An electric telescopic rod 201 is fixedly installed on the lower front side of the mounting plate 1, and the output end of the electric telescopic rod 201 is fixedly connected to the connecting seat 202. When the electric telescopic rod 201 works, the connecting seat 202 and the probe body 203 can be moved. The outer side of the output end of the electric telescopic rod 201 is fixedly connected to a convex strip 3, and the convex strip 3 moves with the electric telescopic rod. The output end of the rod 201 moves together, and the front side of the mounting plate 1 is fixedly mounted with a first sliding bar 303, and the outer side of the first sliding bar 303 is slidably connected to the first rack 302, and the first rack 302 slides along the first sliding bar 303. The first sliding bar 303 has two lines, which limit the first rack 302 so that the first rack 302 can only move up and down. The front side of the mounting plate 1 is fixedly mounted with a second sliding bar 306, and the outer side of the second sliding bar 306 is slidably connected to the second rack 305, and the second rack 305 slides along the second sliding bar 306. The second sliding bar 306 has two lines, which limit the second rack 305 so that the second rack 305 can only move up and down. The front side of the mounting plate 1 is rotatably connected to the gear 304, and the first rack 302 meshes with the gear 304. The rack 305 is meshed with the gear 304. Seen from the front, the first rack 302 moves upward, causing the left gear 304 to rotate counterclockwise, the right gear 304 to rotate clockwise, and the second rack 305 to move downward. The side of the first rack 302 is fixedly connected to the protrusion 301. The electric telescopic rod 201 is extended, the protrusion 3 moves upward, the protrusion 3 contacts the protrusion 301, and the protrusion 3 continues to move upward, moving the protrusion 301 upward, and the first rack 302 moves upward. The side of the second rack 305 is fixedly connected to the moving seat 403, and the moving seat 403 moves with the second rack 305. A collecting bottle 4 is provided on the front side of the mounting plate 1. The upper part of the collecting bottle 4 is a one-way valve. The gas can only enter and cannot escape automatically. The interior of the collecting bottle 4 is slidably connected to a piston 4. 01. A movable frame 402 is fixedly installed at the bottom of the piston 401. The movable frame 402 cooperates with the movable seat 403. The movable seat 403 moves downward with the second rack 305, pulling the movable frame 402, and the piston 401 moves downward to collect the gas. The piston 401 is made of rubber and has a large friction with the collection bottle 4, so it will not slide down automatically. When in use, the electric telescopic rod 201 extends, the probe body 203 moves upward, but the connecting seat 202 does not move out of the shell 2, the convex strip 3 contacts the convex block 301, and the probe body 203 works. When it is detected that the gas quality is not up to standard, the electric telescopic rod 201 continues to extend, and the connecting seat 202 is moved out. The convex strip 3 pushes the convex block 301 to move upward, and finally the gas is collected, and the electric telescopic rod 201 shortens.Retract the probe body 203.

[0021] The surface of the mounting plate 1 is provided with mounting holes 101 for mounting the mounting plate 1 .

[0022] Among them, a mounting block 404 is fixedly installed on the rear side of the collecting bottle 4, and a mounting slot 405 is fixedly installed on the front side of the mounting plate 1. The mounting block 404 cooperates with the mounting slot 405. This design can facilitate the disassembly and installation of the collecting bottle 4 by simply moving it in the horizontal direction.

[0023] The first sliding rod 303 is parallel to the second sliding rod 306 , the first rack 302 moves upward, and the second rack 305 moves downward, and the lateral distance between the first rack 302 and the second rack 305 remains unchanged.

[0024] The position of the protrusion 301 corresponds to the convex strip 3 in the vertical direction. The convex strip 3 moves upward, which can push the protrusion 301 to move upward.

[0025] A handle is fixedly mounted on the front side of the gear 304. By turning the handle, the first rack 302 can be moved downward and the second rack 305 can be moved upward for reset.

[0026] Working principle: When in use, the electric telescopic rod 201 extends and the probe body 203 moves upward, but the connecting seat 202 is not moved out of the shell 2, the convex strip 3 contacts the protrusion 301, and the probe body 203 works. When it is detected that the gas quality is not up to standard, the electric telescopic rod 201 continues to extend, the connecting seat 202 is moved out, and the convex strip 3 pushes the protrusion 301 to move upward. Viewed from the front, the first rack 302 moves upward, which will cause the left gear 304 to rotate counterclockwise and the right gear 304 to rotate clockwise, and the second rack 305 moves downward. The movable seat 403 moves downward with the second rack 305, pulling the movable frame 402, and the piston 401 moves downward to collect the gas.

[0027] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes and modifications may be made to these embodiments without departing from the principles of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A gas sampling probe, comprising a mounting plate (1), characterized in that: The front side of the mounting plate (1) is fixedly mounted with a housing (2), the interior of the housing (2) is provided with a connecting seat (202), the top of the connecting seat (202) is fixedly mounted with a probe body (203), the front lower part of the mounting plate (1) is fixedly mounted with an electric telescopic rod (201), the output end of the electric telescopic rod (201) is fixedly connected to the connecting seat (202), the outer side of the output end of the electric telescopic rod (201) is fixedly connected with a convex strip (3), the front side of the mounting plate (1) is fixedly mounted with a first slide bar (303), the outer side of the first slide bar (303) is slidably connected with a first rack (302), the front side of the mounting plate (1) is fixedly mounted with a second slide bar (306), the second The outer side of the slide bar (306) is slidably connected to a second rack (305), the front side of the mounting plate (1) is rotatably connected to a gear (304), the first rack (302) is meshed with the gear (304), the second rack (305) is meshed with the gear (304), the side of the first rack (302) is fixedly connected to a protrusion (301), the side of the second rack (305) is fixedly connected to a movable seat (403), the front side of the mounting plate (1) is provided with a collecting bottle (4), the interior of the collecting bottle (4) is slidably connected to a piston (401), the bottom of the piston (401) is fixedly installed with a movable frame (402), and the movable frame (402) cooperates with the movable seat (403).

2. A gas sampling probe according to claim 1, characterized in that: A mounting hole (101) is provided on the surface of the mounting plate (1).

3. A gas sampling probe according to claim 1, characterized in that: A mounting block (404) is fixedly mounted on the rear side of the collecting bottle (4), and a mounting slot (405) is fixedly mounted on the front side of the mounting plate (1), wherein the mounting block (404) cooperates with the mounting slot (405).

4. A gas sampling probe according to claim 1, characterized in that: The first sliding bar (303) is parallel to the second sliding bar (306).

5. The gas sampling probe according to claim 1, characterized in that: The position of the protrusion (301) corresponds to the position of the protrusion (3) in the vertical direction.

6. A gas sampling probe according to claim 1, characterized in that: A handle is fixedly mounted on the front side of the gear (304).

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