Gas detection sampling equipment

Abstract

The utility model relates to the technical field of gas sampling equipment, and discloses gas detection sampling equipment which comprises a main body shell, a sampling mechanism is arranged in the main body shell, a sealing mechanism is arranged at the top of the sampling mechanism, and the sampling mechanism comprises a telescopic assembly, a gas inlet assembly and an extraction assembly. The telescopic assembly is arranged in the main body shell, the air inlet assembly is arranged on the outer side of the telescopic assembly, and the extraction assembly is arranged at the top of the sampling mechanism. According to the gas detection sampling equipment, through the arranged sampling mechanism, a worker only needs to start a telescopic rod to drive a sampling barrel and a gas inlet barrel to face upwards, so that the gas inlet barrel is separated from the interior of a closed sleeve shell, and external air can enter the sampling barrel through the closed sleeve shell to complete gas collection work; after the telescopic rod drives the sampling barrel and the gas inlet barrel to move downwards, the sampling barrel downwards retracts into the main body shell, and gas in the main body shell is sealed through water in the main body shell.

Description

Technical Field

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

[0002] In the daily work of various industries such as petrochemical, coal, metallurgy, chemical, municipal gas, and environmental monitoring, it is usually necessary to detect gas, and then use gas detection sampling equipment to facilitate staff to sample gas.

[0003] According to the "A Gas Detection Sampling Device (Publication Number: CN 219495833 U; Application Number: 202320049635.5)" published on the Patent Network, the above application optimizes the problem that: "The device cannot accurately control the volume of the sampled gas. When extracting gases that are more harmful to the human body, if too much sampling is taken and cannot be used, the harmful gas cannot be discharged at will, so the excess gas needs to be properly handled, which increases the workload of the staff and reduces work efficiency." However, the gas sampling device in the above application has poor sealing when in use, and cannot ensure that the external air will not mix with the internal sampled air during the transportation process, which affects the accuracy of the subsequent data measured for the sampled air and is inconvenient for the staff to use. Utility Model Content

[0004] The purpose of the present utility model is to provide a gas detection sampling device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a gas detection sampling device, comprising a main body shell, a sampling mechanism is provided in the main body shell, and a sealing mechanism is provided on the top of the sampling mechanism.

[0006] The sampling mechanism includes a telescopic component, an air intake component and an extraction component. The telescopic component is arranged in the main shell, the air intake component is arranged outside the telescopic component, and the extraction component is arranged on the top of the sampling mechanism.

[0007] The sealing mechanism includes a liquid inlet assembly, a liquid discharge assembly, a lifting assembly and a sealing assembly. The liquid inlet assembly is arranged at the top left side of the main shell, the liquid discharge assembly is arranged at the bottom right side of the main shell, the lifting assembly is arranged at the top of the air inlet assembly, and the sealing assembly is arranged at the bottom of the lifting assembly.

[0008] Preferably, the telescopic assembly includes a telescopic rod, which is fixedly connected to the bottom of the main shell, and the top of the telescopic rod is fixedly connected to a sampling cylinder, and the outer ring of the sampling cylinder is slidably connected to a sleeve, and the sleeve is fixedly connected to the top of the main shell.

[0009] Preferably, the air intake assembly includes a telescopic slide tube, which is fixedly connected to the outside of the sampling cylinder, and the telescopic slide tube is slidably connected to the top of the main shell. The top of the telescopic slide tube is fixedly connected to the air intake cylinder, and the outside of the air intake cylinder is fixedly connected to the air inlet. The top of the main shell is fixedly connected to a sealed shell at a position corresponding to the air inlet, and the sealed shell is sleeved on the outside of the air inlet. The inside of the sealed shell is completely fitted with the outside of the air inlet.

[0010] Preferably, the extraction component includes a threaded tube, which is fixedly connected to the top of the sampling cylinder. The outer ring of the threaded tube is threadedly connected to a threaded cover, and the bottom of the threaded cover is fixedly connected to a sealing ring 1. A sealing ring 2 is provided below the sealing ring 1, and the sealing ring 2 is fixedly connected to the top of the sampling cylinder.

[0011] Preferably, the liquid inlet assembly includes a liquid inlet pipe, which is fixedly connected to the top left side of the main shell, and the outer ring of the liquid inlet pipe is threadedly connected to a sealing cover.

[0012] Preferably, the drainage assembly includes a drainage pipe, the drainage pipe is fixedly connected to the right bottom of the main shell, and the outer ring of the drainage pipe is threadedly connected to a second sealing cover.

[0013] Preferably, the lifting assembly includes a fixing rod, the fixing rod is fixedly connected to the top of the air intake cylinder, and the top of the fixing rod is fixedly connected to a fixing plate.

[0014] Preferably, the sealing assembly includes a fixed cylinder, which is fixedly connected to the bottom of the fixed plate, the outer ring of the fixed cylinder is sleeved with a sealing sleeve, the bottom of the outer ring of the sealing sleeve fits with the inner ring of the sleeve, the sealing sleeve fits with the top of the sleeve, the inner ring of the fixed cylinder is fixedly connected with a supporting fin, the inner side of the supporting fin is fixedly connected with a reinforcing cylinder, and the supporting fin and the reinforcing cylinder are fixedly connected to the bottom of the fixed plate.

[0015] Compared with the existing technology, the present invention provides a gas detection sampling device with the following features:

[0016] Beneficial effects:

[0017] 1. The gas detection sampling equipment has a sampling mechanism. The staff only needs to start the telescopic rod to drive the sampling cylinder and the air intake cylinder upward, so that the air intake cylinder can be separated from the sealed shell, so that the outside air can enter the sampling cylinder through the sealed shell to complete the gas collection work. After the telescopic rod drives the sampling cylinder and the air intake cylinder downward, the sampling cylinder retracts downward into the main shell to complete the sealing of the gas in the main shell through the moisture in the main shell, and the air intake cylinder retracts downward into the sealed shell to complete the closure of the air inlet, so that the internal and external air are no longer connected, thereby ensuring the airtightness of the gas in the sampling cylinder after sampling, and effectively preventing the possibility of the gas in the sampling cylinder being contaminated by external air.

[0018] 2. The gas detection sampling equipment has a sealing mechanism. During the process of the sampling cylinder and the air inlet cylinder retracting downward, the sealing sleeve follows and snaps into the sleeve to seal the top opening of the sleeve, so that the moisture in the main shell will not leak. The staff only needs to rotate the sealing cover 1 and the sealing cover 2 to complete the replacement of the moisture in the main shell. The operation is simple and convenient for the staff to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without inventive work.

[0020] Figure 1 This is a front view of the utility model;

[0021] Figure 2 This is a front sectional view of the utility model;

[0022] Figure 3 This is a front cross-sectional view of the main shell structure;

[0023] Figure 4 To extract the exploded view of the component structure;

[0024] Figure 5 It is a partial structural diagram of the utility model;

[0025] Figure 6 It is a cross-sectional view of the sealing component structure.

[0026] Figure: 1, sampling mechanism; 11, telescopic assembly; 1101, telescopic rod; 1102, sampling cylinder; 1103, sleeve; 12, air inlet assembly; 1201, telescopic slide; 1202, air inlet cylinder; 1203, air inlet; 1204, sealed casing; 13, extraction assembly; 1301, threaded pipe; 1302, threaded cover; 1303, sealing ring 1; 1304, sealing ring 2; 2 , sealing mechanism; 21. Liquid inlet assembly; 2101. Liquid inlet pipe; 2102. Sealing cover 1; 22. Liquid discharge assembly; 2201. Liquid discharge pipe; 2202. Sealing cover 2; 23. Lifting assembly; 2301. Fixed rod; 2302. Fixed plate; 24. Sealing assembly; 2401. Fixed cylinder; 2402. Sealing sleeve; 2403. Support fins; 2404. Reinforced cylinder; 3. Main shell. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0028] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, indirect connection through an intermediate medium, internal communication between two components, or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0029] The utility model provides a technical solution:

[0030] Example 1

[0031] Combine Figures 1 to 5 A gas detection sampling device includes a main shell 3, a sampling mechanism 1 is arranged in the main shell 3, and a sealing mechanism 2 is arranged on the top of the sampling mechanism 1.

[0032] The sampling mechanism 1 includes a telescopic component 11, an air intake component 12 and an extraction component 13. The telescopic component 11 is arranged in the main shell 3, the air intake component 12 is arranged outside the telescopic component 11, and the extraction component 13 is arranged on the top of the sampling mechanism 1.

[0033] The telescopic assembly 11 includes a telescopic rod 1101, which is fixedly connected to the bottom of the main shell 3, and a sampling cylinder 1102 is fixedly connected to the top of the telescopic rod 1101. The outer ring of the sampling cylinder 1102 is slidably connected to a sleeve 1103, and the sleeve 1103 is fixedly connected to the top of the main shell 3. The air intake assembly 12 includes a telescopic slide 1201, which is fixedly connected to the outside of the sampling cylinder 1102, and the telescopic slide 1201 is slidably connected to the top of the main shell 3. The top of the telescopic slide 1201 is fixedly connected to the air intake cylinder 1202, and the outside of the air intake cylinder 1202 is fixedly connected to the air inlet 12 03. A sealed shell 1204 is fixedly connected to the position of the air inlet 1203 on the top of the main shell 3. The sealed shell 1204 is sleeved on the outside of the air inlet 1203. The inner side of the sealed shell 1204 is completely fitted with the outer side of the air inlet 1203. The extraction component 13 includes a threaded tube 1301. The threaded tube 1301 is fixedly connected to the top of the sampling cylinder 1102. The outer ring of the threaded tube 1301 is threadedly connected to a threaded cover 1302. The bottom of the threaded cover 1302 is fixedly connected to a sealing ring 1303. A sealing ring 2 1304 is arranged below the sealing ring 1303. The sealing ring 2 1304 is fixedly connected to the top of the sampling cylinder 1102.

[0034] Furthermore: the staff only needs to start the telescopic rod 1101 to drive the sampling cylinder 1102 and the air intake cylinder 1202 upward, so that the air intake cylinder 1202 can be separated from the sealed shell 1204, so that the external air can enter the sampling cylinder 1102 through the sealed shell 1204 to complete the gas collection work, and after the telescopic rod 1101 drives the sampling cylinder 1102 and the air intake cylinder 1202 downward, the sampling cylinder 1102 retracts downward into the main shell 3 to complete the sealing of the gas in the main shell 3 through the moisture in the main shell 3, and the air intake cylinder 1202 retracts downward into the sealed shell 1204 to complete the closure of the air inlet 1203, so that the internal and external air are no longer connected, thereby ensuring the airtightness of the gas in the sampling cylinder 1102 after sampling, and effectively preventing the possibility of the gas in the sampling cylinder 1102 being contaminated by external air.

[0035] Example 2

[0036] See Figure 1 、 Figure 2 、 Figure 3 、 Figure 5 and Figure 6 , and on the basis of Example 1, it is further obtained that the sealing mechanism 2 includes a liquid inlet component 21, a liquid discharge component 22, a lifting component 23 and a sealing component 24, the liquid inlet component 21 is arranged at the top left side of the main shell 3, the liquid discharge component 22 is arranged at the bottom right side of the main shell 3, the lifting component 23 is arranged at the top of the air inlet component 12, and the sealing component 24 is arranged at the bottom of the lifting component 23.

[0037] The liquid inlet assembly 21 includes a liquid inlet pipe 2101, which is fixedly connected to the top of the left side of the main shell 3, and the outer ring of the liquid inlet pipe 2101 is threadedly connected to a sealing cover 1 2102. The liquid discharge assembly 22 includes a liquid discharge pipe 2201, which is fixedly connected to the bottom of the right side of the main shell 3, and the outer ring of the liquid discharge pipe 2201 is threadedly connected to a sealing cover 2202. The lifting assembly 23 includes a fixed rod 2301, which is fixedly connected to the top of the air inlet cylinder 1202, and the top of the fixed rod 2301 is fixedly connected to a fixing plate 2302. The sealing assembly 24 includes a fixed cylinder 2401, which is fixedly connected to the bottom of the fixed plate 2302. The outer ring of the fixed cylinder 2401 is sleeved with a sealing sleeve 2402. The bottom of the outer ring of the sealing sleeve 2402 fits with the inner ring of the sleeve 1103. The sealing sleeve 2402 fits with the top of the sleeve 1103. The inner ring of the fixed cylinder 2401 is fixedly connected with a supporting fin 2403. The inner side of the supporting fin 2403 is fixedly connected with a reinforcing cylinder 2404. The supporting fin 2403 and the reinforcing cylinder 2404 are fixedly connected to the bottom of the fixed plate 2302.

[0038] Furthermore: during the downward retraction of the sampling cylinder 1102 and the air intake cylinder 1202, the sealing sleeve 2402 follows and snaps into the sleeve 1103 to seal the top opening of the sleeve 1103, so that the moisture in the main shell 3 will not leak. The staff only needs to rotate the sealing cover 1 2102 and the sealing cover 2 2202 to complete the replacement of the moisture in the main shell 3. The operation is simple and convenient for the staff to use.

[0039] During actual operation, when this device is used, the staff only needs to start the telescopic rod 1101 to drive the sampling cylinder 1102 and the air intake cylinder 1202 upward, fix the device at the predetermined position where sampling is required and wait, so that the external air gradually enters the sampling cylinder 1102 through the air inlet 1203 to replace the original air in the sampling cylinder 1102, and the collection of the gas in the predetermined area can be completed. After that, the staff starts the telescopic rod 1101 again to drive the sampling cylinder 1102 downward, and the sampling cylinder 1102 moves downward and drives the air intake cylinder 1202 downward through the telescopic slide 1201. The air intake cylinder 1202 moves downward and retracts into the sealed shell 1204 to complete the sealing of the air inlet 1203. At the same time, during the downward movement of the air intake cylinder 1202, the sealing sleeve 2402 follows and is clamped downward in the top of the sleeve 1103 to complete the sealing of the sleeve 1103. At this time, the sampling of the gas in the predetermined area is completed.

[0040] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, an element defined by the phrase "comprising a..." does not exclude the presence of additional identical elements in the process, method, article, or device comprising the element.

Claims

1. A gas detection sampling device, comprising a main housing (3), characterized in that: A sampling mechanism (1) is provided in the main body shell (3), and a sealing mechanism (2) is provided on the top of the sampling mechanism (1); The sampling mechanism (1) comprises a telescopic component (11), an air intake component (12) and an extraction component (13), wherein the telescopic component (11) is arranged inside a main body shell (3), the air intake component (12) is arranged outside the telescopic component (11), and the extraction component (13) is arranged on the top of the sampling mechanism (1); The sealing mechanism (2) comprises a liquid inlet assembly (21), a liquid discharge assembly (22), a lifting assembly (23) and a sealing assembly (24); the liquid inlet assembly (21) is arranged at the top of the left side of the main housing (3); the liquid discharge assembly (22) is arranged at the bottom of the right side of the main housing (3); the lifting assembly (23) is arranged at the top of the air inlet assembly (12); and the sealing assembly (24) is arranged at the bottom of the lifting assembly (23).

2. A gas detection sampling device according to claim 1, characterized in that: The telescopic assembly (11) comprises a telescopic rod (1101), wherein the telescopic rod (1101) is fixedly connected to the inner bottom of the main housing (3), the top of the telescopic rod (1101) is fixedly connected to a sampling cylinder (1102), the outer ring of the sampling cylinder (1102) is slidably connected to a sleeve (1103), and the sleeve (1103) is fixedly connected to the top of the main housing (3).

3. A gas detection sampling device according to claim 1, characterized in that: The air intake assembly (12) includes a telescopic slide tube (1201), which is fixedly connected to the outside of the sampling cylinder (1102), and the telescopic slide tube (1201) is slidably connected to the top of the main shell (3). The top of the telescopic slide tube (1201) is fixedly connected to the air intake cylinder (1202), and the outside of the air intake cylinder (1202) is fixedly connected to the air inlet (1203). The top of the main shell (3) is fixedly connected to a sealed shell (1204) at a position corresponding to the air inlet (1203). The sealed shell (1204) is sleeved on the outside of the air inlet (1203), and the inside of the sealed shell (1204) is completely fitted with the outside of the air inlet (1203).

4. A gas detection sampling device according to claim 1, characterized in that: The extraction component (13) includes a threaded tube (1301), the threaded tube (1301) is fixedly connected to the top of the sampling cylinder (1102), the outer ring of the threaded tube (1301) is threadedly connected to a threaded cover (1302), the bottom of the threaded cover (1302) is fixedly connected to a sealing ring 1 (1303), a sealing ring 2 (1304) is provided below the sealing ring 1 (1303), and the sealing ring 2 (1304) is fixedly connected to the top of the sampling cylinder (1102).

5. A gas detection sampling device according to claim 1, characterized in that: The liquid inlet assembly (21) comprises a liquid inlet pipe (2101), the liquid inlet pipe (2101) is fixedly connected to the top left side of the main shell (3), and the outer ring of the liquid inlet pipe (2101) is threadedly connected to a sealing cover (2102).

6. A gas detection sampling device according to claim 1, characterized in that: The drainage assembly (22) comprises a drainage pipe (2201), wherein the drainage pipe (2201) is fixedly connected to the right bottom of the main housing (3), and the outer ring of the drainage pipe (2201) is threadedly connected to a second sealing cover (2202).

7. A gas detection sampling device according to claim 1, characterized in that: The lifting assembly (23) comprises a fixing rod (2301), wherein the fixing rod (2301) is fixedly connected to the top of the air intake cylinder (1202), and a fixing plate (2302) is fixedly connected to the top of the fixing rod (2301).

8. The gas detection sampling device according to claim 1, characterized in that: The sealing assembly (24) includes a fixed cylinder (2401), the fixed cylinder (2401) is fixedly connected to the bottom of the fixed plate (2302), the outer ring of the fixed cylinder (2401) is sleeved with a sealing sleeve (2402), the bottom of the outer ring of the sealing sleeve (2402) is in contact with the inner ring of the sleeve (1103), the sealing sleeve (2402) is in contact with the top of the sleeve (1103), the inner ring of the fixed cylinder (2401) is fixedly connected to a supporting fin (2403), the inner side of the supporting fin (2403) is fixedly connected to a reinforcing cylinder (2404), and the supporting fin (2403) and the reinforcing cylinder (2404) are fixedly connected to the bottom of the fixed plate (2302).

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