Gas storage device for air detection

Abstract

The utility model discloses a gas storage device for air detection, which relates to the technical field of air detection and comprises a storage tank, a plurality of storage cavities are formed in the storage tank, gas guide holes are formed in the storage tank and located at the tops of the storage cavities, and gas guide pipes are in threaded connection with the interiors of the gas guide holes. A plurality of air holes are formed in the outer wall of the air guide pipe. The gas storage device for air detection has the beneficial effects that the plurality of groups of storage cavities in the storage tank are matched with the rotation of the gas guide pipe which is in threaded connection, so that the vent holes and the sealing plate on the gas guide pipe can be driven to lift, the vent holes are controlled to be opened and closed, and air in the plurality of groups of storage cavities can be conveniently and manually pumped out under the action of the pumping cylinder; the negative pressure is formed, when the multiple storage cavities are opened, external air is automatically extracted, storage of different air samples is facilitated, limitation of electric power is avoided, and efficiency improvement is facilitated.

Description

Technical Field

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

[0002] Ambient air testing can monitor the atmospheric environment quality in real time. By monitoring and analyzing the main pollutants in the air, such as sulfur dioxide, nitrogen dioxide, particulate matter, etc., it can understand the current status and changing trends of ambient air pollution. Air sampling and storage are very important for air testing.

[0003] Application No. 202020852126.2 discloses a gas storage device for air detection. A reinforcing net is provided inside the storage bag to enhance the strength of the storage bag and prevent the storage bag from bursting. The pressure gauge is connected to the third groove through a conduit. When air is infused, the air pushes the first sealing plug open and enters the storage bag through the first groove, the second groove and the third groove. At the same time, the internal air pressure of the storage bag can be judged by reading the value of the pressure gauge to prevent the storage bag from bursting. When the air pressure stored in the storage bag reaches the limit, the air in the storage bag pushes the second sealing plug, and the second sealing plug pushes the second fixing rod to compress the second elastic member. The excess air in the storage bag is discharged to the outside of the storage bag through the fourth groove, the fifth groove and the sixth groove, avoiding the internal air pressure of the storage bag from being burst, thereby preventing the gas storage device for air detection from bursting and improving work efficiency.

[0004] The storage structure of the above application can only store one set of air samples and is limited by power supply, so it is not convenient to use when power is insufficient. Utility Model Content

[0005] In view of the deficiencies in the prior art, the present invention provides a gas storage device for air detection, which solves the problems raised in the above-mentioned background technology.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: a gas storage device for air detection, comprising a storage tank, wherein a plurality of storage chambers are provided inside the storage tank, and air guide holes are provided inside the storage tank and at the tops of the plurality of storage chambers, the air guide holes are internally threadedly connected to an air guide tube, and a plurality of air holes are provided on the outer wall of the air guide tube, one end of the air guide tube is located inside the storage chamber and is rotatably connected to a sealing plate, the top of the storage tank is located between the plurality of air guide tubes and is rotatably connected to an air pump, the interior of the air pump is slidably connected to a piston rod, the outer side of the piston rod is sleeved with a second spring, one side of the air pump is connected to an exhaust pipe, the side of the air pump away from the exhaust pipe is connected to an intake pipe, the outer wall of one end of the intake pipe is threadedly connected to an extension pipe, one end of the extension pipe is inserted into one of the air guide tubes, and a one-way valve is installed inside both the exhaust pipe and the intake pipe.

[0007] Preferably, the outer wall of the extension tube is in contact with the inner wall of the air guide tube.

[0008] Preferably, a first spring is installed inside each of the plurality of storage cavities and on one side of the air guide hole, the bottom of the first spring is connected to a support frame, and one end of the support frame is connected to the sealing plate.

[0009] Preferably, a transparent display window is installed on the outer wall of the storage tank and on one side of the multiple storage cavities, and a label is attached to one side of the transparent display window.

[0010] Preferably, a handle is installed on one side of the storage tank.

[0011] Preferably, a bracket is installed inside each of the plurality of storage cavities, and a measuring rod is slidably connected inside the bracket.

[0012] The utility model provides a gas storage device for air detection, which has the following beneficial effects:

[0013] 1. The gas storage device for air detection, through multiple groups of storage chambers in the storage tank, cooperates with the rotation of the threaded air guide tube to drive the air vents and sealing plates on the air guide tube to rise and fall, and control the opening and closing of the air vents. Under the action of the vacuum pump, it is convenient to manually extract the air in the multiple groups of storage chambers to form negative pressure, so that when the multiple groups of storage chambers are opened, the outside air is automatically extracted, which is convenient for the storage of different air samples and will not be restricted by electricity, which is conducive to improving efficiency.

[0014] 2. The gas storage device for air detection supports the sealing plate and the air duct by connecting the spring bottom support frame with the sealing plate and cooperating with the deformation of the spring. This helps to prevent the air vent from leaving the air duct when the air duct becomes loose, causing the air sample to leak. In addition, multiple sets of transparent display windows and labels are arranged on the outside of the storage tank to facilitate marking and observation of the storage status of the air sample. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of the utility model;

[0016] Figure 2 For this utility model Figure 1 Enlarged view of point A in the middle;

[0017] Figure 3 This is a schematic diagram of the operation of the utility model;

[0018] Figure 4 This is a top plan view of the utility model.

[0019] In the figure: 1. Storage tank; 2. Storage chamber; 3. Air guide hole; 4. First spring; 5. Support frame; 6. Sealing plate; 7. Air guide tube; 8. Vacuum pump; 9. Piston rod; 10. Second spring; 11. Exhaust pipe; 12. Inlet pipe; 13. Extension pipe; 14. Air vent; 15. Transparent display window; 16. Label; 17. Handle; 18. Bracket; 19. Measuring rod. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0021] See also Figures 1 to 4The utility model provides a technical solution: a gas storage device for air detection, including a storage tank 1, wherein a plurality of storage chambers 2 are provided inside the storage tank 1, and air guide holes 3 are provided inside the storage tank 1 and on the tops of the plurality of storage chambers 2. The air guide holes 3 are internally threadedly connected to an air guide tube 7, and a plurality of air holes 14 are provided on the outer wall of the air guide tube 7. When the air guide tube 7 rotates and rises and falls, the plurality of air holes 14 enter the storage chamber 2. When the plurality of air holes 14 and the air guide tube 7 are opened, the air circulation inside and outside the storage chamber 2 is facilitated. Similarly, when the air guide tube 7 enters the air guide hole 3, the air guide hole 3 can automatically block the air hole 14, thereby sealing the air guide tube 7 and the storage chamber 2. One end of the air guide tube 7 is rotatably connected to a sealing plate 6 located inside the storage chamber 2, which helps to prevent the air guide tube 7 from detaching. A first spring 4 is installed inside multiple storage chambers 2 and on one side of the air guide hole 3. The bottom of the first spring 4 is connected to a support frame 5. One end of the support frame 5 is connected to the sealing plate 6. Through the deformation of the first spring 4, the support frame 5 can support the sealing plate 6 and the air guide tube 7 while the sealing plate 6 is raised and lowered, so as to prevent the air guide tube 7 and the air guide hole 3 from loosening and causing multiple air vents 14 to leave the air guide hole 3 and leak air samples. The top of the storage tank 1 is rotatably connected to an air pump 8 located between the multiple air guide tubes 7. The interior of the air pump 8 is slidably connected to a piston rod 9, and the outer side of the piston rod 9 is sleeved with There is a second spring 10, one side of the air pump 8 is connected to the exhaust pipe 11, and the side of the air pump 8 away from the exhaust pipe 11 is connected to the air intake pipe 12, and the outer wall of one end of the air intake pipe 12 is threadedly connected to an extension pipe 13, and one end of the extension pipe 13 is inserted into one of the air guide pipes 7, so that the extension pipe 13 rotates and produces displacement, which cooperates with the rotation of the air pump 8 to facilitate the connection of the extension pipe 13 with different air guide pipes 7. A one-way valve is installed inside the exhaust pipe 11 and the air intake pipe 12, and the outer wall of the extension pipe 13 fits with the inner wall of the air guide pipe 7, so that the piston rod 9 is repeatedly squeezed. While the piston moves, the air in the storage chamber 2 can be extracted through the multiple air vents 14 on the air guide pipe 7 through the connection between the extension pipe 13 and the air guide pipe 7. Out, so that the storage chamber 2 forms a negative pressure, and under the action of negative pressure, the air duct 7 and multiple air holes 14 can also automatically suck the outside air into the storage chamber 2, which is convenient for the collection and storage of air samples. The outer wall of the storage tank 1 and one side of the multiple storage chambers 2 are equipped with a transparent display window 15, and a label 16 is pasted on one side of the transparent display window 15, which is convenient for marking and observing the storage status of the air samples. The interior of the multiple storage chambers 2 is equipped with a bracket 18, and the interior of the bracket 18 is slidably connected with a measuring rod 19, so that the measuring rod 19 can be displaced as the air in the storage chamber 2 is extracted, which is convenient for judging the negative pressure situation in the storage chamber 2. A handle 17 is installed on one side of the storage tank 1 to facilitate the hand-holding of the storage tank 1.

[0022] In summary, when the gas storage device for air detection is used, the extension tube 13 on the outer wall of one end of the air intake pipe 12 is rotated, and the extension tube 13 is threadedly connected to the air intake pipe 12, so that one end of the extension tube 13 moves downward and is inserted into the air guide tube 7 of one of the air guide holes 3. At this time, the air guide tube 7 is rotated. Since the air guide tube 7 is threadedly connected to the air guide hole 3, the air guide tube 7 moves downward while rotating, and the multiple groups of air holes 14 on the air guide tube 7 leave the air guide hole 3 and enter the storage chamber 2, releasing the blockage of the air hole 3 on the air hole 14. At this time, the piston rod 9 in the air pump 8 is squeezed, and the deformation of the second spring 10 and the one-way valve in the exhaust pipe 11 and the air intake pipe 12 are cooperated to extract the air in the air guide tube 7 through the air intake pipe 12 and the extension tube 13, and then discharge it from the exhaust pipe 11. The air guide tube 7 exhausts the air in the storage chamber 2 through the multiple air holes 14. After the air is extracted to form a negative pressure in the storage chamber 2, the extension tube 13 is rotated again to make it rise and be extracted from the air duct 7, so that the air duct 7 can be opened. Under the action of negative pressure, the outside air is sucked into the storage chamber 2 through the air duct 7 and multiple air holes 14 to collect samples. Similarly, the air duct 7 is rotated in the opposite direction to reset it. The multiple air holes 14 on the air duct 7 are then aligned with the air holes 3 again and the air holes 14 are blocked to seal the storage chamber 2. Repeat the operation and rotate the air pump 8 to store other air samples in different storage chambers 2. At the same time, the support frame 5 at the bottom of the first spring 4 in the multiple storage chambers 2 supports the sealing plate 6 at the bottom of the air duct 7. According to needs, corresponding labels 16 can be pasted on the multiple transparent display windows 15 on the outside of the storage tank 1 to mark the sample information.

[0023] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A gas storage device for air detection, comprising a storage tank (1), characterized in that: The storage tank (1) is provided with a plurality of storage chambers (2), and air guide holes (3) are provided inside the storage tank (1) and at the tops of the plurality of storage chambers (2). An air guide tube (7) is connected to the inside of the air guide hole (3) through a thread, and a plurality of air holes (14) are provided on the outer wall of the air guide tube (7). One end of the air guide tube (7) is rotatably connected to a sealing plate (6) located inside the storage chamber (2), and an air pump (8) is rotatably connected to the top of the storage tank (1) and located between the plurality of air guide tubes (7). The interior of the air pump (8) is slidably connected to a piston rod (9), and the outer side of the piston rod (9) is sleeved with a second spring (10). One side of the air pump (8) is connected to an exhaust pipe (11), and the side of the air pump (8) away from the exhaust pipe (11) is connected to an intake pipe (12). The outer wall of one end of the intake pipe (12) is threadedly connected to an extension pipe (13), and one end of the extension pipe (13) is inserted into one of the air guide pipes (7). One-way valves are installed inside the exhaust pipe (11) and the intake pipe (12).

2. A gas storage device for air detection according to claim 1, characterized in that: The outer wall of the extension tube (13) is in contact with the inner wall of the air guide tube (7).

3. A gas storage device for air detection according to claim 1, characterized in that: A first spring (4) is installed inside each of the plurality of storage chambers (2) and on one side of the air guide hole (3); a support frame (5) is connected to the bottom of the first spring (4); and one end of the support frame (5) is connected to a sealing plate (6).

4. A gas storage device for air detection according to claim 1, characterized in that: A transparent display window (15) is installed on the outer wall of the storage tank (1) and on one side of the plurality of storage cavities (2), and a label (16) is attached to one side of the transparent display window (15).

5. The gas storage device for air detection according to claim 1, characterized in that: A handle (17) is installed on one side of the storage tank (1).

6. A gas storage device for air detection according to claim 1, characterized in that: A bracket (18) is installed inside each of the plurality of storage chambers (2), and a measuring rod (19) is slidably connected inside the bracket (18).

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