Telescopic gas sampling equipment

Abstract

The utility model discloses telescopic gas sampling equipment, which relates to the technical field of gas detection and comprises a decontamination mechanism, a detection mechanism is arranged at the bottom of the decontamination mechanism, and a collection mechanism is arranged at the bottom of the detection mechanism. When a user uses the device, the device can be extended through the extension mechanism, the user can be far away from sampled gas, whether the gas is harmful or not is detected through the air detector, and the user can judge when to collect the gas through the collecting device according to data on the air detector.

Description

Technical Field

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

[0002] Gas detection devices are widely used in petrochemical, fire protection, municipal construction, mining and other industries. They are generally used to detect: combustible gases (methane, propane, ethane, butane and acetylene, etc.), toxic gases (carbon monoxide, hydrogen sulfide, ammonia, etc.), asphyxiating gases (carbon dioxide, nitrogen, hydrogen cyanide, etc.).

[0003] There is a high possibility that there are toxic gases in the environment where sampling is required. When users sample the gas, they are likely to inhale the gas. However, some gases may cause fatal harm to the human body. In addition, the commonly used portable gas detection devices cannot be extended and cannot detect the gas before sampling. The potential danger is relatively large, and there is no way to determine the purity of the collected gas during the sampling process. Utility Model Content

[0004] The purpose of the utility model is to provide a retractable gas sampling device to solve at least any problem raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a retractable gas sampling device, comprising a dirt removal mechanism, a detection mechanism is arranged at the bottom of the dirt removal mechanism, and a collection mechanism is arranged at the bottom of the detection mechanism; the collection mechanism comprises a connecting pipe, a one-way solenoid valve, an air pump and a gas collecting box, the bottom of the connecting pipe is fixedly connected to the top of the one-way solenoid valve, the connecting pipe is connected to the one-way solenoid valve, the bottom of the one-way solenoid valve is detachably connected to the top input end of the air pump, and the bottom output end of the air pump is detachably connected to the gas collecting box.

[0006] Preferably, the dirt removal mechanism includes a limiting member, a flexible member, four telescopic members, and four pull rods. The bottom of the limiting member and the top of the flexible member are fixedly connected. The four telescopic members are evenly distributed on the outer wall of the limiting member. The fixed ends of the four telescopic members are detachably connected to the limiting member, and the pull rods are respectively fixedly connected to the tops of the four telescopic members.

[0007] Preferably, the detection mechanism includes a gas detector, a ring, a fixing, a rotating rod and a plug-in, the gas detector is detachably connected to the front end of the ring, the fixing is fixedly connected to the rear end of the ring, the fixing is provided with an opening near the rear end, the top of the plug-in is arranged in the opening, the rotating rod passes through the fixing and the plug-in, the rotating rod is fixedly connected to the plug-in, and the rotating rod can rotate on the fixing.

[0008] Preferably, the retractable gas sampling device also includes a hollow rod, a connecting tube and a cylinder, the cylinder is sleeved on the hollow rod, the hollow rod can slide on the cylinder, the connecting tube is arranged on the right side of the cylinder, and the cylinder is provided with a plurality of evenly distributed sockets at the rear end.

[0009] Preferably, one end of the connecting tube passes through the limiting member, and the other end of the connecting tube is detachably connected to the gas detector.

[0010] Preferably, the limiting member and the flexible member are both sleeved on the top of the hollow rod, and the limiting member and the flexible member are both fixedly connected to the hollow rod.

[0011] Preferably, the plug-in can be plugged into the socket, the collar is sleeved on the cylinder, and the connecting pipe passes through and is detachably connected to the bottom of the cylinder.

[0012] The beneficial effects of the utility model are as follows:

[0013] In the utility model, when a user uses the device, the device can be extended by the extension mechanism, the user can stay away from the sampled gas, and the air detector can be used to detect whether the gas is harmful. The user can judge when to use the collection device to collect the gas based on the data on the air detector. BRIEF DESCRIPTION OF THE DRAWINGS

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

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

[0016] Figure 3 This is a schematic diagram of the structure of the pull rod part of the utility model;

[0017] Figure 4 It is a partial structural schematic diagram of the rotating rod of the utility model.

[0018] In the figure: 1. Limiting part; 2. Hollow rod; 3. Gas detector; 4. Connecting pipe; 5. Cylinder; 6. Connecting pipe; 7. One-way solenoid valve; 8. Air pump; 9. Gas collecting box; 10. Ring; 11. Fixing part; 12. Rotating rod; 13. Plug-in; 14. Telescopic part; 15. Flexible part; 16. Pull rod. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] The utility model provides Figure 1-4A retractable gas sampling device shown in the figure includes a decontamination mechanism, a detection mechanism is arranged at the bottom of the decontamination mechanism, and a collecting mechanism is arranged at the bottom of the detection mechanism; the collecting mechanism includes a connecting pipe 6, a one-way solenoid valve 7, an air pump 8 and a gas collecting box 9, the bottom of the connecting pipe 6 is fixedly connected to the top of the one-way solenoid valve 7, the connecting pipe 6 is connected to the one-way solenoid valve 7, the bottom of the one-way solenoid valve 7 is detachably connected to the input end of the top of the air pump 8, and the output end of the bottom of the air pump 8 is detachably connected to the gas collecting box 9; the decontamination mechanism includes a limiter 1, a flexible member 15, four telescopic members 14, and four pull rods 16, the bottom of the limiter 1 is fixedly connected to the top of the flexible member 15, the four telescopic members 14 are evenly distributed on the outer wall of the limiter 1, the fixed ends of the four telescopic members 14 are detachably connected to the limiter 1, and the pull rods 16 are respectively fixedly connected to the tops of the four telescopic members 14; the detection mechanism includes a gas detector 3, a collar 10, a fixing member 11, a rotating rod 12 and a plug-in 13, the gas detector 3 It is detachably connected to the front end of the collar 10, the fixing piece 11 is fixedly connected to the rear end of the collar 10, the fixing piece 11 is provided with an opening near the rear end, the top of the plug-in 13 is arranged in the opening, the rotating rod 12 passes through the fixing piece 11 and the plug-in 13, the rotating rod 12 is fixedly connected to the plug-in 13, and the rotating rod 12 can rotate on the fixing piece 11; the retractable gas sampling equipment also includes a hollow rod 2, a connecting pipe 4 and a cylinder 5, the cylinder 5 is sleeved on the hollow rod 2, the hollow rod 2 can slide on the cylinder 5, the connecting pipe 4 is arranged on the right side of the cylinder 5, and the cylinder 5 is provided with a plurality of evenly distributed sockets near the rear end; one end of the connecting pipe 4 passes through the limiter 1, and the other end of the connecting pipe 4 is detachably connected to the gas detector 3; the limiter 1 and the flexible piece 15 are both sleeved on the top of the hollow rod 2, and the limiter 1 and the flexible piece 15 are both fixedly connected to the hollow rod 2; the plug-in 13 can be plugged into the socket, the collar 10 is sleeved on the cylinder 5, and the connecting pipe 6 passes through and is detachably connected to the bottom of the cylinder 5. The user first pulls the plug 13 out of the cylinder 5 with the help of the rotating rod 12, moves the ring 10 to move the gas detector 3 to a suitable position, and then plugs the plug 13 into the cylinder 5 with the help of the rotating rod 12. Then the user pulls the hollow rod 2 out of the cylinder 5, and then pulls out the telescopic part 14 through the pull rod 16, and places the hollow rod 2 at the gas position to be detected. When there are debris at the detection position, it can be slowly cleaned and scraped off by the telescopic part 14. When the user observes a suitable detection, the user starts the gas detector 3, and the gas is discharged from the connecting pipe 4. Enter the gas detector 3, and perform a rough analysis of the gas through the gas detector 3. The user can determine whether the sampled gas is harmful. When the gas detector 3 tests the gas value multiple times and stabilizes in a certain range, the user opens the one-way solenoid valve 7 and starts the air pump 8. The gas passes through the hollow rod 2 and the cylinder 5, and is sucked into the gas collecting box 9 by the air pump 8 with the assistance of the connecting tube 6, completing the sampling of the air. Then the user resets the device. At this time, the flexible member 15 reduces the collision between the limit member 1 and the cylinder 5, and the one-way solenoid valve 7 prevents the gas from flowing back out of the device from the gas collecting box 9.

[0021] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A retractable gas sampling device, characterized in that: It includes a dirt removal mechanism, a detection mechanism is provided at the bottom of the dirt removal mechanism, and a collection mechanism is provided at the bottom of the detection mechanism; The collecting mechanism comprises a connecting pipe (6), a one-way solenoid valve (7), an air pump (8) and an air collecting box (9); the bottom of the connecting pipe (6) is fixedly connected to the top of the one-way solenoid valve (7); the connecting pipe (6) is connected to the one-way solenoid valve (7); the bottom of the one-way solenoid valve (7) is detachably connected to the input end of the top of the air pump (8); and the bottom output end of the air pump (8) is detachably connected to the air collecting box (9).

2. The retractable gas sampling device according to claim 1, characterized in that: The dirt removal mechanism comprises a limiting member (1), a flexible member (15), four telescopic members (14), and four pull rods (16); the bottom of the limiting member (1) and the top of the flexible member (15) are fixedly connected; the four telescopic members (14) are evenly distributed on the outer wall of the limiting member (1); the fixed ends of the four telescopic members (14) are detachably connected to the limiting member (1); and the pull rods (16) are respectively fixedly connected to the tops of the four telescopic members (14).

3. The retractable gas sampling device according to claim 2, characterized in that: The detection mechanism comprises a gas detector (3), a collar (10), a fixing member (11), a rotating rod (12) and a plug-in (13); the gas detector (3) is detachably connected to the front end of the collar (10); the fixing member (11) is fixedly connected to the rear end of the collar (10); an opening is provided at the rear end of the fixing member (11); the top of the plug-in (13) is arranged in the opening; the rotating rod (12) passes through the fixing member (11) and the plug-in (13); the rotating rod (12) is fixedly connected to the plug-in (13); and the rotating rod (12) can rotate on the fixing member (11).

4. The retractable gas sampling device according to claim 3, characterized in that: The retractable gas sampling device also includes a hollow rod (2), a connecting tube (4) and a cylinder (5); the cylinder (5) is sleeved on the hollow rod (2); the hollow rod (2) can slide on the cylinder (5); the connecting tube (4) is arranged on the right side of the cylinder (5); and the cylinder (5) is provided with a plurality of evenly distributed sockets at the rear end.

5. The retractable gas sampling device according to claim 4, characterized in that: One end of the connecting tube (4) passes through the limiting component (1), and the other end of the connecting tube (4) is detachably connected to the gas detector (3).

6. The retractable gas sampling device according to claim 4, characterized in that: The limiting member (1) and the flexible member (15) are both sleeved on the top of the hollow rod (2), and the limiting member (1) and the flexible member (15) are both fixedly connected to the hollow rod (2).

7. The retractable gas sampling device according to claim 4, characterized in that: The plug-in unit (13) can be plugged into the socket, the collar (10) is sleeved on the cylinder (5), and the connecting pipe (6) passes through and is detachably connected to the bottom of the cylinder (5).

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