Gas detection sampling device

Abstract

The utility model discloses a gas detection sampling device which comprises a base, a collecting box is movably mounted on the base, a fan is arranged on the outer wall of one side of the collecting box, a sampling mechanism is movably mounted on the collecting box and comprises a sampling frame, a sampling pipe and a plugging frame, the sampling pipe is movably mounted on the sampling frame, and the plugging frame is arranged on the sampling frame. The plugging frames are movably mounted on the two sides of the sampling pipe respectively. According to the gas detection sampling device provided by the utility model, air is sucked into the collection box through the fan, then the air can be sampled through the sampling mechanism, so that the air can uniformly enter the sampling pipe, and the two ends of the sampling pipe are sealed through the plugging frames after sampling, so that the sampling efficiency is improved. During sampling, the base is vertically placed on the ground, and the air suction angle of the fan is adjusted by adjusting the angle of the collection box.

Description

Technical Field

[0001] The utility model belongs to the technical field of gas detection sampling, and specifically relates to a gas detection sampling device. Background Art

[0002] When testing ambient air or industrial waste gas, gas samples are usually collected using gas collecting bottles and sent for testing.

[0003] Application number: CN202222322515.6 discloses a gas detection sampling device. During sampling, the air intake fan blows the outside air into the sampling tank, and the air in the sampling tank is discharged to the outside through multiple air outlets. The air outlets are blocked by sealing plugs, so that the air in the sampling tank can be stored between the two baffles. In the above application, the collected gas is sealed inside the device, which is inconvenient when the inspection distance is long, and it is impossible to test multiple samples, and it is impossible to adjust the required angle to better collect samples.

[0004] To sum up, the above technical problems need to be solved. Utility Model Content

[0005] The utility model aims to provide a gas detection sampling device to solve the problems that the collected gas is sealed inside the device, there is inconvenience when the distance for sending the sample for inspection is long, multiple samples cannot be tested, and the angle cannot be adjusted during sampling.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a gas detection sampling device, comprising a base, a collection box movably mounted on the base, a fan is provided on the outer wall of one side of the collection box, a sampling mechanism movably mounted on the collection box, the sampling mechanism comprising a sampling rack, a sampling tube and a sealing rack, the sampling tube is movably mounted on the sampling rack, and the sealing racks are movably mounted on both sides of the sampling tube.

[0007] Preferably, the collection box is provided with an opening, the inner wall of the opening is provided with a slide groove, the blocking frame is provided with a sliding block matching the slide groove, the blocking frame is slidably installed with a blocking plate, the outer wall of one side of the blocking frame is provided with a fixed plate one, the fixed plate one is fixedly installed with a spring, the blocking plate is provided with a fixed plate two, one end of the spring is fixedly connected to the fixed plate two, a blocking block is rotatably installed on the blocking frame, a blocking block is movably connected to the blocking plate, the blocking blocks are respectively movably connected to the two ends of the sampling tube, and a push-pull block is provided on the outer wall on the upper side of the blocking frame.

[0008] Preferably, a mounting plate is symmetrically provided on the outer wall of the lower side of the sampling rack, and a plurality of equally spaced mounting openings are respectively provided on the mounting plate. The sampling tubes are movably installed in the plurality of mounting openings, and anti-slip pads are provided in the mounting openings. The sampling tubes are movably connected to the outer wall of the anti-slip pad.

[0009] Preferably, a filter is provided on the outer wall of one side of the collection box, the filter is located on one side of the fan, and an air outlet is provided on the inner wall of the lower side of the collection box.

[0010] Preferably, an air guide plate is provided at the port of the air outlet, and the port of the air guide plate is inclined toward a side away from the fan.

[0011] Preferably, an extension rod is provided on the base, a mounting block is provided on the top of the extension rod, a spherical interface is provided on the mounting block, a connecting shaft is provided on the outer wall of one side of the collection box, and the connecting shaft is movably installed in the spherical interface.

[0012] Preferably, a fixing hole is provided on the mounting block, a fixing rod is threadedly connected to the fixing hole, one end of the fixing rod extends into the spherical interface and is connected to the outer wall of the connecting shaft.

[0013] The technical effects and advantages of the utility model are as follows: when in use, air is sucked into the collection box by the fan, and then the air is sampled through the sampling mechanism so that the air can evenly enter the interior of the sampling tube, and after sampling, the sampling tube is sealed at both ends through the sealing frame to ensure that the air inside the sampling tube is continuously retained, and then it can be moved to the detection machine for detection. When sampling, the base is placed vertically on the ground, and the angle of the air sucked by the fan is adjusted by adjusting the angle of the collection box. If it is in an environment with more particulate matter, it may cause inaccurate test results and difficulty in inhalation due to accumulation of particles on the filter. By rotating the side of the collection box with the fan upward, the air on the upper side can be collected to reduce the particulate matter, so that the test result is more accurate. BRIEF DESCRIPTION OF THE DRAWINGS

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

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

[0016] Figure 3 It is a schematic diagram of the cross-sectional structure of the collection box of the present utility model.

[0017] In the figure: 1. base; 2. collection box; 21. opening; 22. slide; 23. connecting shaft; 3. fan; 4. sampling mechanism; 31. sampling rack; 32. sampling tube; 33. blocking rack; 34. slider; 35. fixing plate 1; 5. spring; 6. blocking plate; 61. fixing plate 2; 7. blocking block; 8. blocking block; 9. push-pull block; 10. mounting plate; 11. mounting port; 12. filter; 13. air outlet; 14. air guide plate; 15. mounting block; 16. spherical interface; 17. fixing rod. DETAILED DESCRIPTION

[0018] 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.

[0019] The utility model provides Figure 1-3 A gas detection sampling device shown in the figure comprises a base 1, a collection box 2 is movably mounted on the base 1, a fan 3 is provided on the outer wall of one side of the collection box 2, a sampling mechanism 4 is movably mounted on the collection box 2, the sampling mechanism 4 comprises a sampling frame 31, a sampling tube 32 and a blocking frame 33, the sampling tube 32 is movably mounted on the sampling frame 31, and the blocking frames 33 are movably mounted on both sides of the sampling tube 32. The fan 3 can be driven to rotate by the connected driving power supply. When in use, air is sucked into the collection box 2 through the fan 3, and then the air can be sampled through the sampling mechanism 4 so that the air can evenly enter the interior of the sampling tube 32, and after sampling, the sampling tube 32 is sealed at both ends through the sealing frame 33 to ensure that the air inside the sampling tube 32 is continuously retained, and then it can be moved to the detection machine for detection. During sampling, the base 1 is placed vertically on the ground, and the angle of the air sucked by the fan 3 is adjusted by adjusting the angle of the collection box 2. If it is in an environment with more particulate matter, it may cause inaccurate test results and difficulty in inhalation caused by the accumulation of particles in the filter 12. The side of the collection box 2 provided with the fan 3 can be rotated upward to collect the air on the upper side and reduce the particulate matter, so that the test result is more accurate.

[0020] Specifically, the collection box 2 is provided with an opening 21, the inner wall of the opening 21 is provided with a slide groove 22, the blocking frame 33 is provided with a slider 34 matched with the slide groove 22, a blocking plate 6 is slidably installed on the blocking frame 33, a fixed plate 1 35 is provided on the outer wall of one side of the blocking frame 33, a spring 5 is fixedly installed on the fixed plate 1 35, a fixed plate 2 61 is provided on the blocking plate 6, one end of the spring 5 is fixedly connected to the fixed plate 2 61, a blocking block 7 is rotatably installed on the blocking frame 33, a blocking block 8 is movably connected to the blocking plate 6, and the blocking block 8 is movably connected to the two ends of the sampling tube 32, and a push-pull block 9 is provided on the outer wall of the upper side of the blocking frame 33. Please refer to the attached Figure 2 The sealing plate 6 is installed on the sealing frame 33 in a concave-convex matching manner through the slider 34 and the slide groove 22, and the sealing plate 6 is installed on the sealing frame 33 in a concave-convex matching manner and can slide up and down. A spring 5 is arranged on the fixing plate 1 35, and the fixing plate 2 61 can be driven upward by the spring 5, thereby making the sealing plate 6 upward. The sealing plate 6 slides by the matching of the recess and the protrusion. After the sampling tube 32 is placed in the collection box 2 for a certain period of time, it is ensured that the sampling gas fully flows into the sampling tube 32. The top of the sealing plate 6 can be pressed to be flush with the upper wall of the sealing frame 33 by applying a downward force to the sealing plate 6. At this time, the spring 5 is squeezed. In order to ensure that the sealing plate 6 maintains a relative connection state with the sealing frame 33, the position of the sealing plate 6 can be locked by rotating the blocking block 7, and then the sealing frame 33 can be slid horizontally by the push-pull block 9. The sealing block 8 located on the sealing plate 6 will The sealing rack 33 is pushed toward the two adjacent sides to seal the two ends of the sampling tube 32, thereby achieving the purpose of preserving the sample inside the sampling tube 32. The sealing rack 33 can be pulled in the opposite direction after sealing. The sealing block 8 is movably mounted on the sealing plate 6 by means of a suction cup, a clamping claw, a placement port and other structures. When the sealing block 8 is placed in the sampling tube 32 and the sealing rack 33 is pulled back, the connection with the sealing plate 6 can be automatically disconnected. After the sampling tube 32 is sealed, the sealing rack 33 can be pulled back and the sampling tube 32 can be taken out. When in use, a new sampling tube 32 can be placed on the sealing rack 33 and the sealing block 8 can be placed on the sealing plate 6. In order to avoid hindering the sampled gas from entering the sampling tube 32, the blocking block 7 can be rotated to release the connection between the blocking block 7 and the sealing plate 6, and the sealing plate 6 can be bounced upward by the spring 5 to facilitate gas sampling.

[0021] Specifically, the outer wall of the lower side of the sampling rack 31 is symmetrically provided with a mounting plate 10, and the mounting plate 10 is respectively provided with a plurality of mounting openings 11 distributed at equal intervals, and the sampling tubes 32 are respectively movably installed in the plurality of mounting openings 11, and the mounting openings 11 are provided with anti-skid pads, and the sampling tubes 32 are movably connected to the outer wall of the anti-skid pads. Figure 2As shown, there are several installation ports 11, and anti-skid pads are provided in the installation ports 11. The anti-skid pads can stabilize the sampling tube 32 and protect the outer wall of the sampling tube 32, so that multiple samples can be taken at the same time. When detecting gas, the gas can be detected by taking multiple samples to reduce the error of the gas detection result.

[0022] Specifically, a filter screen 12 is provided on the outer wall of one side of the collection box 2, and the filter screen 12 is located on one side of the fan 3. An air outlet 13 is provided on the inner wall of the lower side of the collection box 2. An air guide plate 14 is provided at the port of the air outlet 13, and the port of the air guide plate 14 is inclined to the side away from the fan 3. Figure 1 , 3 As shown, during the sampling work, the sampling gas will be sucked in through the fan 3, and the gas will first filter the floating objects and particulate matter in the air through the filter 12, and then the gas will enter the interior of the collection box 2 and pass through the sampling tube 32, wherein the sampling tube 32 is located on one side of the fan 3 and is parallel to the diameter of the fan 3, so that several sampling tubes 32 can collect the gas. After the gas flows into the collection box 2, the gas is discharged through the air outlet 13.

[0023] Specifically, the base 1 is provided with an extension rod, the top of the extension rod is provided with a mounting block 15, the mounting block 15 is provided with a spherical interface 16, the outer wall of one side of the collection box 2 is provided with a connecting shaft 23, and the connecting shaft 23 is movably installed in the spherical interface 16. The mounting block 15 is provided with a fixing hole, and a fixing rod 17 is threadedly connected in the fixing hole. One end of the fixing rod 17 extends into the spherical interface 16 and is connected to the outer wall of the connecting shaft 23. Please refer to the attached Figure 3 As shown, during use, the position facing the fan 3 can be adjusted by the connecting shaft 23. The cooperation between the spherical interface 16 and the connecting shaft 23 allows the collection box 2 to rotate 360 ​​degrees with the connecting shaft 23 as the axis point. In use, the facing position of the fan 3 can be adjusted at multiple angles and in multiple directions according to the needs of use, avoiding the influence of particulate matter in the collected environment on gas sampling, and collecting the gas into the sampling tube 32 through the fan 3 to ensure that the collected gas is conducive to the results of gas detection.

[0024] Finally, it should be noted that the above is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to 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 utility model shall be included in the protection scope of the present utility model.

Claims

1. A gas detection sampling device, characterized in that: The invention comprises a base (1), a collection box (2) being movably mounted on the base (1), a fan (3) being arranged on the outer wall of one side of the collection box (2), a sampling mechanism (4) being movably mounted on the collection box (2), the sampling mechanism (4) comprising a sampling frame (31), a sampling tube (32) and a blocking frame (33), the sampling tube (32) being movably mounted on the sampling frame (31), and the blocking frame (33) being movably mounted on both sides of the sampling tube (32).

2. A gas detection sampling device according to claim 1, characterized in that: The collection box (2) is provided with an opening (21), the inner wall of the opening (21) is provided with a slide groove (22), the blocking frame (33) is provided with a slider (34) matched with the slide groove (22), a blocking plate (6) is slidably installed on the blocking frame (33), a fixing plate 1 (35) is provided on the outer wall of one side of the blocking frame (33), a spring (5) is fixedly installed on the fixing plate 1 (35), a fixing plate 2 (61) is provided on the blocking plate (6), one end of the spring (5) is fixedly connected to the fixing plate 2 (61), a blocking block (7) is rotatably installed on the blocking frame (33), a blocking block (8) is movably connected to the blocking plate (6), and the blocking block (8) is movably connected to the two ends of the sampling tube (32), and a push-pull block (9) is provided on the outer wall of the upper side of the blocking frame (33).

3. A gas detection sampling device according to claim 2, characterized in that: The outer wall at the lower side of the sampling rack (31) is symmetrically provided with a mounting plate (10), and the mounting plate (10) is respectively provided with a plurality of mounting openings (11) distributed at equal intervals. The sampling tube (32) is movably installed in the plurality of mounting openings (11), and an anti-slip pad is provided in the mounting opening (11), and the sampling tube (32) is movably connected to the outer wall of the anti-slip pad.

4. A gas detection sampling device according to claim 1, characterized in that: A filter screen (12) is provided on the outer wall of one side of the collection box (2), and the filter screen (12) is located on one side of the fan (3). An air outlet (13) is provided on the inner wall at the lower side of the collection box (2).

5. A gas detection sampling device according to claim 4, characterized in that: An air guide plate (14) is arranged at the end of the air outlet (13), and the end of the air guide plate (14) is arranged to be inclined toward a side away from the fan (3).

6. A gas detection sampling device according to claim 3, characterized in that: The base (1) is provided with an extension rod, the top end of the extension rod is provided with a mounting block (15), the mounting block (15) is provided with a spherical interface (16), and the outer wall of one side of the collection box (2) is provided with a connecting shaft (23), and the connecting shaft (23) is movably mounted in the spherical interface (16).

7. A gas detection sampling device according to claim 6, characterized in that: The mounting block (15) is provided with a fixing hole, a fixing rod (17) is threadedly connected to the fixing hole, one end of the fixing rod (17) extends into the spherical interface (16) and is connected to the outer wall of the connecting shaft (23).

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