Portable toxic gas detection and absorption trolley

Abstract

The utility model discloses a portable toxic gas detection and absorption trolley, belongs to the technical field of gas detection, and mainly solves the technical problems that in the prior art, some toxic gases are lighter than air and can be accumulated at the indoor top, and other toxic gases are heavier than air and can be deposited at the indoor bottom, so that the toxic gases are located at different height positions of the indoor environment, and the toxic gases cannot be absorbed. In order to solve the problems that toxic gas at different heights is inconvenient to collect, toxic gas is not convenient to detect and absorb, and the existing device is not convenient enough, the trolley comprises a mounting bottom plate, a plurality of connecting rods are arranged at the top of the mounting bottom plate, a supporting plate is fixedly connected to the top ends of the connecting rods, and a guide sleeve is fixedly connected to the top of the supporting plate; a sampling cylinder is slidably mounted in the guide sleeve, an electric push rod is mounted at the top of the mounting bottom plate, one end of the electric push rod is fixedly connected with the sampling cylinder, the outer surface of the sampling cylinder is communicated with an ingress pipe, one end of the ingress pipe is communicated with a detection cylinder, and a gas detector is mounted on the detection cylinder in a penetrating manner.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of gas detection, more specifically, it is especially portable toxic gas detection, absorption trolley. BACKGROUND

[0002] Toxic gas is a toxic chemical substance in gaseous state or extremely volatile at normal temperature and pressure, which comes from industrial pollution, combustion of coal and petroleum and decomposition of biological materials, has stimulating effect on respiratory tract, is easy to be inhaled and poisoned, and includes ammonia, ozone, nitrogen dioxide, sulfur dioxide, carbon monoxide, hydrogen sulfide and photochemical smog, etc. When toxic gas leaks, it is necessary to detect and absorb the toxic gas in the environment by the toxic gas detection and absorption trolley.

[0003] However, there are many types of gas detection devices in the prior art. For example, the utility model patent CN208969069U relates to a combustible and toxic gas detection device. The device comprises a detection device body composed of a casing, a detection module, an air inlet nozzle, an air extractor and an alarm device. The casing is provided with an air extractor. The air inlet of the air extractor is fixed with an air pipe by a clamp. The air pipe extends to the air inlet nozzle outside the casing. The air outlet of the air extractor is connected with a filter element by a pipeline. The casing is provided with a detection module corresponding to one side of the air extractor. A plurality of air inlet nozzles are arranged at different height positions. The detection device can detect combustible and toxic gases of different densities. The air extractor installed in the casing can enhance the air intake effect of the detection device. The support frame installed on the outer wall of the air inlet nozzle can be conveniently fixed at a suitable position. The device has simple structure, reliable function, high practicability, simple use and can effectively solve the problems existing in the prior art.

[0004] Although the toxic gas detection device has reliable function and is convenient for detecting toxic gas, the device is not convenient for collecting toxic gas at different height positions and is not conducive to detecting and absorbing toxic gas at different positions because some toxic gases are lighter than air and will accumulate at the top of the room, and other toxic gases are heavier than air and will deposit at the bottom of the room. Therefore, it is necessary to design a portable toxic gas detection and absorption trolley to avoid this phenomenon. SUMMARY

[0005] This section aims to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the utility model name to avoid obscuring the purpose of this section, the abstract of the specification and the utility model name. Such simplifications or omissions cannot be used to limit the scope of the utility model.

[0006] To achieve the above object, the utility model provides portable toxic gas detection, absorption trolley, by the following specific technical means reaches:

[0007] Portable toxic gas detection, absorption trolley, including installation bottom plate, the top of installation bottom plate is provided with a plurality of connecting rods, the top of connecting rod is fixedly connected with support plate, the top of support plate is fixedly connected with guide sleeve, sampling cylinder is slidably installed in guide sleeve, the top of installation bottom plate is installed with electric push rod, and electric push rod is located between a plurality of connecting rods, one end of electric push rod is fixedly connected with sampling cylinder, the outer surface of sampling cylinder is communicated with import pipe, one end of import pipe is communicated with detection cylinder, detection cylinder is penetrated with gas detector, one end of detection cylinder is communicated with gas hose.

[0008] Preferably, the top of the sampling cylinder is communicated with the gas inlet pipe; the electric push rod can drive the sampling cylinder to ascend and descend in the guide sleeve; the guide sleeve and the detection cylinder are fixed to each other by the support rod.

[0009] Preferably, the top of the installation bottom plate is detachably provided with a protective cover, a suction pump is installed in the protective cover, and the input end of the suction pump is connected with one end of the gas hose; an absorption tank is installed on the installation bottom plate, and the absorption tank is located on one side of the protective cover; and an absorption liquid is injected into the absorption tank.

[0010] Preferably, the output end of the suction pump is connected with a branch pipe, one end of the branch pipe extends into the absorption tank, a plurality of air pipes are communicated with the outer surface of the branch pipe, and the bottom end of the air pipe extends into the absorption liquid, and a plurality of air holes are formed in the air pipe.

[0011] Preferably, the inner wall of the absorption tank is fixedly connected with two groups of limiting blocks, the two groups of limiting blocks are symmetrically arranged, an activated carbon plate is arranged between the two groups of limiting blocks, and the activated carbon plate is located above the branch pipe.

[0012] Preferably, a first exhaust port and a second exhaust port are formed in the absorption tank, the second exhaust port is connected with a reflux hose, one end of the reflux hose extends into the sampling cylinder, a liquid discharge pipe is communicated with the absorption tank, and a control valve is arranged on the surface of the liquid discharge pipe.

[0013] Preferably, universal wheels are installed on the bottom of the installation bottom plate, and a hand push rod is fixed on the installation bottom plate.

[0014] Due to the use of the above technical scheme, the utility model has the following advantages compared with the prior art:

[0015] In the process of detecting different toxic gases, after the installation base plate is moved to the designated position, the electric push rod is controlled to push the sampling cylinder to ascend and descend under the guidance of the guide sleeve, the sampling cylinder is adjusted to a certain height, then the toxic gas is introduced into the detection cylinder, the input toxic gas is detected by the gas detector, and the gas analysis is completed, the electric push rod is controlled again, and the height of the sampling cylinder is changed for multiple times, so that the toxic gases at different height positions are conveniently collected, the toxic gases at different height positions in the indoor environment are detected, and the toxic gases at different positions are fully introduced into the device, which is practical and convenient. BRIEF DESCRIPTION OF DRAWINGS

[0016] The accompanying drawings, which form a part of this application, are included to provide a further understanding of the application and are incorporated in and constitute a part of this application. The embodiments of the present application illustrated in the drawings are presented by way of example or for clarity and are not meant to limit the present application to a specific embodiment, but to explain various embodiments of the present application.

[0017] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0018] Figure 2 It is a perspective view of the structure of the present application;

[0019] Figure 3 It is a schematic diagram of the structure of the guide sleeve, the sampling cylinder and the electric push rod;

[0020] Figure 4 It is a schematic diagram of the structure of the detection cylinder;

[0021] Figure 5 It is a schematic diagram of the structure in the absorption box.

[0022] In the drawings: 1, installation base plate; 2, connecting rod; 3, support plate; 4, guide sleeve; 5, sampling cylinder; 6, electric push rod; 7, air inlet pipe; 8, introduction pipe; 9, detection cylinder; 10, gas detector; 11, gas conveying hose; 12, protective cover; 13, air suction pump; 14, absorption box; 15, branch pipe; 16, air blowing pipe; 17, air vent; 18, limiting block; 19, activated carbon plate; 20, first air outlet; 21, second air outlet; 22, backflow hose; 23, universal wheel; 24, hand push rod; 25, liquid discharge pipe. DETAILED DESCRIPTION

[0023] In order to make the above-mentioned purposes, features and advantages of the present application more apparent, specific embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0024] In the following description, a lot of specific details are set forth in order to provide a thorough understanding of the present application, however, the present application can be practiced in other ways different from those described herein, and those skilled in the art can make similar extensions without departing from the spirit of the present application, therefore, the present application is not limited to the specific embodiments disclosed below.

[0025] Secondly, the "one embodiment" or "embodiment" referred to herein means that the specific features, structures or characteristics can be included in at least one implementation of the present application. "In one embodiment" appearing in different places in the specification does not mean the same embodiment, nor is it an embodiment that is independent of or mutually exclusive with other embodiments. The present application provides the following embodiments.

[0026] As shown in Figure 2 , Figure 3 and Figure 4 , it is a structural schematic diagram of the portable toxic gas detection and absorption trolley in the embodiment, the detection and absorption trolley in the embodiment includes a mounting bottom plate 1, a plurality of connecting rods 2 are arranged on the top of the mounting bottom plate 1, a support plate 3 is fixedly connected to the top end of the connecting rod 2, a guide sleeve 4 is fixedly connected to the top of the support plate 3, a sampling cylinder 5 is slidably installed in the guide sleeve 4, an electric push rod 6 is installed on the top of the mounting bottom plate 1, and the electric push rod 6 is located between the plurality of connecting rods 2, one end of the electric push rod 6 is fixedly connected with the sampling cylinder 5, an air inlet pipe 7 is communicated with the top end of the sampling cylinder 5, a guide pipe 8 is communicated with the outer surface of the sampling cylinder 5, a detection cylinder 9 is communicated with one end of the guide pipe 8, a gas detector 10 is installed through the detection cylinder 9, and a gas conveying hose 11 is communicated with one end of the detection cylinder 9; in the process of detecting toxic gases at different heights, after the mounting bottom plate 1 is moved to a specified position, the sampling cylinder 5 moving up and down is positioned and guided by the sliding fit between the guide sleeve 4 and the sampling cylinder 5, the output end of the electric push rod 6 is controlled to push the sampling cylinder 5, the sampling cylinder 5 is lifted under the guidance of the guide sleeve 4, the sampling cylinder 5 is adjusted to a certain height, then the toxic gas is sucked into the sampling cylinder 5 through the air inlet pipe 7, the toxic gas is conveyed through the guide pipe 8 and introduced into the detection cylinder 9, at the same time, the gas detector 10 is used, the input toxic gas is detected in real time by the gas detector 10, gas analysis is completed, the electric push rod 6 is controlled again, and then the height position of the sampling cylinder 5 is changed many times, so that the toxic gas at different height positions is conveniently collected, the toxic gas at different heights in the indoor environment is detected, and the toxic gas at different positions is fully introduced into the device, which is practical and convenient.

[0027] As shown in Figure 1 and Figure 5As shown in the figure, the top of the mounting base 1 in the embodiment is detachably provided with a protective cover 12, an air suction pump 13 is installed in the protective cover 12, and the input end of the air suction pump 13 is connected with one end of the gas conveying hose 11. An absorption tank 14 is installed on the mounting base 1, and the absorption tank 14 is located on one side of the protective cover 12. The absorption tank 14 is filled with absorption liquid. The output end of the air suction pump 13 is connected with a branch pipe 15, and one end of the branch pipe 15 extends into the absorption tank 14. A plurality of air blowing pipes 16 are communicated with the outer surface of the branch pipe 15, and the bottom ends of the air blowing pipes 16 extend into the absorption liquid. A plurality of air holes 17 are formed in the air blowing pipes 16. After the toxic gas is detected, the toxic gas is introduced into the gas conveying hose 11, and then the detected toxic gas is introduced from the gas conveying hose 11 into the branch pipe 15 by the air suction pump 13. The toxic gas is transported through the plurality of air blowing pipes 16 and is discharged into the absorption liquid stored in the tank, so that the absorption liquid absorbs the reactive toxic gas.

[0028] Notably, two groups of limiting blocks 18 are fixedly connected to the inner wall of the absorption tank 14 in the embodiment, and the two groups of limiting blocks 18 are symmetrically arranged. An activated carbon plate 19 is arranged between the two groups of limiting blocks 18, and the activated carbon plate 19 is located above the branch pipe 15. The remaining untreated toxic gas floats upward, and the upward floating toxic gas passes through the activated carbon plate 19, so that the activated carbon plate 19 further absorbs and processes the remaining toxic gas.

[0029] As shown in the figure, Figure 1 and Figure 5 The first exhaust port 20 and the second exhaust port 21 are respectively formed in the absorption tank 14 in the embodiment. The second exhaust port 21 is connected with a reflux hose 22, and one end of the reflux hose 22 extends into the sampling cylinder 5. The absorption tank 14 is communicated with a liquid discharge pipe 25, and a control valve is arranged on the surface of the liquid discharge pipe 25. After the toxic gas is fully absorbed, the purified gas can be discharged from the first exhaust port 20. When the toxic gas is not fully absorbed, the gas floating out of the absorption tank 14 is introduced into the sampling cylinder 5 again through the reflux hose 22, so as to re-enter the absorption process and be absorbed and purified again.

[0030] Notably, as shown in the figure, Figure 2 The mounting base 1 is provided with universal wheels 23 at the four corners of the bottom of the mounting base 1 in the embodiment, and a hand pushing rod 24 is fixed on the mounting base 1.

[0031] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A portable toxic gas detection and absorption trolley, comprising a mounting base plate (1), a plurality of connecting rods (2) are arranged on the top of the mounting base plate (1), and the top end of each connecting rod (2) is fixedly connected with a supporting plate (3), characterized in that: The top of the supporting plate (3) is fixedly connected with a guide sleeve (4), the sampling cylinder (5) is slidably installed in the guide sleeve (4), the top of the mounting base plate (1) is provided with an electric push rod (6), and the electric push rod (6) is located between the plurality of connecting rods (2); one end of the electric push rod (6) is fixedly connected with the sampling cylinder (5), the outer surface of the sampling cylinder (5) is communicated with a guide pipe (8), one end of the guide pipe (8) is communicated with a detection cylinder (9), the detection cylinder (9) is penetrated by a gas detector (10), and one end of the detection cylinder (9) is communicated with a gas conveying hose (11).

2. The portable toxic gas detection and absorption trolley as claimed in claim 1, wherein: The top end of the sampling cylinder (5) is communicated with an air inlet pipe (7); the electric push rod (6) can drive the sampling cylinder (5) to ascend and descend in the guide sleeve (4), and the guide sleeve (4) and the detection cylinder (9) are fixedly connected through a supporting rod.

3. The portable toxic gas detection and absorption trolley as claimed in claim 1, wherein: The top of the mounting base plate (1) is detachably provided with a protective cover (12), the protective cover (12) is provided with an air suction pump (13), one end of the air suction pump (13) is connected with the gas conveying hose (11), the mounting base plate (1) is provided with an absorption tank (14), and the absorption tank (14) is located on one side of the protective cover (12); the absorption tank (14) is filled with an absorption liquid.

4. The portable toxic gas detection and absorption trolley as claimed in claim 3, wherein: The output end of the air suction pump (13) is connected with a branch pipe (15), one end of the branch pipe (15) extends into the absorption tank (14), the outer surface of the branch pipe (15) is communicated with a plurality of air blowing pipes (16), the bottom end of the air blowing pipe (16) extends into the absorption liquid, and a plurality of air holes (17) are formed in the air blowing pipe (16).

5. The portable toxic gas detection and absorption trolley as claimed in claim 3, wherein: The inner wall of the absorption tank (14) is fixedly connected with two groups of limiting blocks (18), the two groups of limiting blocks (18) are symmetrically arranged, and an activated carbon plate (19) is arranged between the two groups of limiting blocks (18).

6. The portable toxic gas detection and absorption trolley as claimed in claim 3, wherein: The absorption tank (14) is provided with a first exhaust port (20) and a second exhaust port (21), the second exhaust port (21) is connected with a reflux hose (22), one end of the reflux hose (22) extends into the sampling cylinder (5), the absorption tank (14) is communicated with a liquid discharge pipe (25), and the surface of the liquid discharge pipe (25) is provided with a control valve.

7. The portable toxic gas detection and absorption trolley as claimed in claim 1, wherein: The bottom of the mounting base plate (1) is provided with universal wheels (23) at four corners, and a hand push rod (24) is fixed to the mounting base plate (1).

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