Chemical environment-friendly harmful gas sampling device

Abstract

The utility model discloses a chemical environment-friendly harmful gas sampling device which comprises a body, the inner wall of the body is provided with an air cavity and a threaded cavity, one side of the body is fixedly connected with a mounting plate, the inner wall of the mounting plate is provided with a through groove, and the through groove is communicated with the air cavity. According to the environment-friendly harmful gas sampling device for the chemical industry, through the arrangement of the body, the mounting plate, the filter screen plate, the rotating disc, the sweeping brush, the rotating wheel and the leakage groove, gas to be collected enters the body through the filter screen plate of the mounting plate, fingers press the rotating wheel, and the rotating wheel can rotate on the outer surface of the rotating disc; the rotating wheel is arranged on the rotating disc, so that the rotating disc can be driven to rotate through the rotating wheel under force application of fingers, the rotating disc can drive the sweeping brush to sweep the filter screen plate when rotating, dust and other impurities adhering to the filter screen plate can be swept away, the swept dust can be discharged out of the penetrating groove through the leakage groove, and cleanliness of the filter screen plate is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of chemical gas sampling, in particular to a chemical environmentally friendly harmful gas sampling device. Background Art

[0002] Chemical industry uses chemical methods to change the composition and structure of substances or synthesize new substances. These technologies belong to chemical production technology, that is, chemical process. The resulting products are called chemicals or chemical products. In the process of chemical production, toxic gases that are harmful to the human body are sometimes produced. Workers are required to sample the chemical gases generated during production. Only after sampling and analyzing these gases can corresponding preventive measures be adopted to prevent these gases from causing harm to workers. The existing chemical gas sampling requires manual collection, which reduces the sampling efficiency and the purity of the obtained gas is not enough, affecting the test results.

[0003] After searching, Chinese patent publication (announcement) No. CN218239489U discloses a chemical environmental protection harmful gas sampling device. This patent can classify and store the gas according to the relative molecular mass after sampling the gas through the setting of a gas storage bottle to improve the detection accuracy. However, when the device is in use, the gas may pass through the filter plate. When used for a long time, a lot of dust will adhere to the filter plate, which may affect the passage of the gas. In addition, after the gas storage bottle collects the gas, it is difficult to seal it in time after it is removed, which may cause the disadvantage of internal gas leakage. Therefore, it is necessary to design a chemical environmental protection harmful gas sampling device. Utility Model Content

[0004] The main purpose of the utility model is to provide a chemical environmental protection harmful gas sampling device, which can effectively solve the problems in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A chemical environmental protection harmful gas sampling device comprises a main body, the inner wall of the main body is provided with an air cavity and a threaded cavity, one side of the main body is fixedly connected with a mounting plate, the inner wall of the mounting plate is provided with a through groove, the through groove is communicated with the air cavity, the inner wall of the through groove is provided with a filter screen plate, the side of the mounting plate is rotatably connected with a rotating disk, the inner wall of the rotating disk is fixedly connected with a sweeping brush; one side of the outer surface of the rotating disk is rotatably connected with a rotating wheel, the outer surface of the rotating wheel is fixedly connected with a rubber pad, the inner side wall of the through groove is provided with a drain groove, the drain groove penetrates the inner side wall of the groove and extends to the lower surface of the mounting plate.

[0007] In order to allow the impeller to rotate, as a chemical environmental harmful gas sampling device of the utility model, the inner wall of the wind chamber is fixedly connected to a support frame, one side of the support frame is rotatably connected to the impeller, and the other side of the support frame is installed with a motor, and the output end of the motor is fixedly connected to the impeller.

[0008] In order to achieve the exhaust effect, as a chemical environmental protection harmful gas sampling device of the utility model, the inner wall of the threaded cavity is provided with a through hole, the through hole is connected to the wind cavity, and a ventilation window is provided on one side of the outer surface of the body.

[0009] In order to enable the gas to be sucked and stored, the utility model is a chemical environmental protection harmful gas sampling device, the inner wall of the threaded cavity is threadedly connected to a gas cylinder, one end of the gas cylinder is fixedly connected to an air pipe, the inner wall of the gas cylinder is slidably connected to a piston block, one side of the piston block is fixedly connected to a fixing rod, and one end of the fixing rod is fixedly connected to a fixing plate.

[0010] In order to store gas, as a chemical environmental protection harmful gas sampling device of the utility model, the inner wall of the air pipe is provided with an air inlet cavity and an exhaust cavity, the inner wall of the air inlet cavity is provided with an air inlet check valve, and the inner wall of the exhaust cavity is provided with an air outlet check valve.

[0011] In order to drive the piston block to move, as a chemical environmental protection harmful gas sampling device of the utility model, an electric push rod is installed on the upper surface of the body.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. In the utility model, through the arrangement of the main body, the mounting plate, the filter screen plate, the rotating disk, the sweeping brush, the rotating wheel and the leakage groove, the gas to be collected enters the main body through the filter screen plate of the mounting plate, and the finger is pressed on the rotating wheel, and the rotating wheel can be rotated on the outer surface of the rotating disk, so that the rotating disk can be driven to rotate by the rotating wheel under the force of the finger, and the rotating disk can drive the sweeping brush to sweep the filter screen plate when rotating, so that the dust and other impurities adhering to the filter screen plate can be swept away, and the swept dust can be discharged into the through groove through the leakage groove, so as to ensure the cleanliness of the filter screen plate.

[0014] 2. In the utility model, through the arrangement of the main body, air cylinder, air pipe, piston block and electric push rod, when the electric push rod is running, its output end pushes the fixed plate, so that the fixed plate drives the fixed rod to pull the piston block to move. At this time, the air intake one-way valve in the air intake chamber of the air pipe opens, and the gas enters the air cylinder through the air intake chamber. The air intake one-way valve is closed. At this time, the gas can be stored inside the air cylinder. By twisting the air cylinder, the air cylinder can be taken out through the threaded connection between the air cylinder and the threaded cavity. When it is necessary to discharge the gas inside the air cylinder, the fixed rod is pressed to drive the piston block to move. At this time, the air outlet one-way valve in the exhaust cavity in the air pipe opens to discharge the gas, which is convenient for storing the gas and then taking it out through the air cylinder. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a front view structural schematic diagram of the utility model;

[0016] Figure 2 This is a schematic diagram of the impeller structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the sweeping brush structure of the utility model;

[0018] Figure 4 It is a schematic diagram of the through hole structure of the utility model;

[0019] Figure 5 This is a schematic diagram of the electric push rod structure of the utility model;

[0020] Figure 6 This is a schematic diagram of the piston block structure of the utility model;

[0021] Figure 7 This is a schematic diagram of the structure of the air intake check valve of the utility model.

[0022] In the figure: 1. body; 2. air chamber; 3. threaded chamber; 4. mounting plate; 5. through slot; 6. filter screen; 7. rotating disk; 8. sweeping brush; 9. rotating wheel; 10. drain slot; 11. support frame; 12. impeller; 13. motor; 14. through hole; 15. ventilation window; 16. air storage cylinder; 17. air pipe; 18. piston block; 19. fixing rod; 20. fixing plate; 21. air inlet chamber; 22. air outlet chamber; 23. air inlet check valve; 24. air outlet check valve; 25. electric push rod. DETAILED DESCRIPTION

[0023] 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.

[0024] like Figure 1-7 As shown, a chemical environmental protection harmful gas sampling device comprises a body 1, an inner wall of the body 1 is provided with an air cavity 2 and a threaded cavity 3, a mounting plate 4 is fixedly connected to one side of the body 1, a through groove 5 is provided on the inner wall of the mounting plate 4, the through groove 5 is communicated with the air cavity 2, a filter screen plate 6 is arranged on the inner wall of the through groove 5, a rotating disk 7 is rotatably connected to the side of the mounting plate 4, and a sweeping brush 8 is fixedly connected to the inner wall of the rotating disk 7;

[0025] In this embodiment, a rotating wheel 9 is rotatably connected to one side of the outer surface of the rotating disk 7, a rubber pad is fixedly connected to the outer surface of the rotating wheel 9, and a leakage groove 10 is opened on the inner wall of the groove 5. The leakage groove 10 penetrates the inner wall of the groove 5 and extends to the lower surface of the mounting plate 4.

[0026] During specific use, the gas to be collected enters the main body 1 through the filter screen plate 6 of the mounting plate 4, and the finger is pressed on the rotating wheel 9, which can rotate on the outer surface of the rotating disk 7, so that the rotating disk 7 can be driven to rotate by the rotating wheel 9 under the force of the finger. When the rotating disk 7 rotates, the sweeping brush 8 can be driven to clean the filter screen plate 6, so that the dust and other impurities adhering to the filter screen plate 6 can be swept away, and the swept dust can be discharged into the through groove 5 through the leakage groove 10.

[0027] In this embodiment, a support frame 11 is fixedly connected to the inner wall of the air cavity 2, an impeller 12 is rotatably connected to one side of the support frame 11, and a motor 13 is installed on the other side of the support frame 11, and the output end of the motor 13 is fixedly connected to the impeller 12.

[0028] During specific use, when the motor 13 is running, its output end can drive the impeller 12 to rotate, so that the external air of the body 1 can be sucked into the air cavity 2.

[0029] In this embodiment, a through hole 14 is formed on the inner wall of the threaded cavity 3 , the through hole 14 is communicated with the air cavity 2 , and a ventilation window 15 is provided on one side of the outer surface of the body 1 .

[0030] During specific use, when the gas storage cylinder 16 is threadedly connected to the inside of the threaded cavity 3, the air pipe 17 is located in the through hole 14, and the provision of the ventilation window 15 can facilitate the discharge of gas in the air cavity 2.

[0031] In this embodiment, the inner wall of the threaded cavity 3 is threadedly connected to an air cylinder 16, one end of the air cylinder 16 is fixedly connected to an air pipe 17, the inner wall of the air cylinder 16 is slidably connected to a piston block 18, one side of the piston block 18 is fixedly connected to a fixing rod 19, and one end of the fixing rod 19 is fixedly connected to a fixing plate 20.

[0032] During specific use, the movement of the fixing plate 20 can drive the fixing rod 19 to pull the piston block 18 to move, so that external gas can be sucked into the gas storage cylinder 16 through the air pipe 17.

[0033] In this embodiment, an air inlet cavity 21 and an air outlet cavity 22 are formed on the inner wall of the air pipe 17 . An air inlet check valve 23 is disposed on the inner wall of the air inlet cavity 21 , and an air outlet check valve 24 is disposed on the inner wall of the air outlet cavity 22 .

[0034] During specific use, the fixed rod 19 pulls the piston block 18 to move. At this time, the air intake check valve 23 in the air intake chamber 21 of the air pipe 17 opens, and the gas enters the air storage cylinder 16 through the air intake chamber 21. The air intake check valve 23 is closed. At this time, the gas can be stored inside the air storage cylinder 16. Pressing the fixed rod 19 drives the piston block 18 to move. At this time, the air outlet check valve 24 in the exhaust chamber 22 in the air pipe 17 opens to discharge the gas.

[0035] In this embodiment, an electric push rod 25 is installed on the upper surface of the body 1 .

[0036] During specific use, when the electric push rod 25 is in operation, its output end can push the fixed plate 20 to move, thereby driving the fixed rod 19 to pull the piston block 18 to move.

[0037] Working principle: In use, when the motor 13 is running, its output end can drive the impeller 12 to rotate, so that the external gas of the main body 1 can be sucked into the wind chamber 2, and the gas to be collected enters the main body 1 through the filter screen plate 6 of the mounting plate 4. Press the finger on the rotating wheel 9, and the rotating wheel 9 can rotate on the outer surface of the rotating disk 7, so that the rotating disk 7 can be driven to rotate by the rotating wheel 9 under the force of the finger. When the rotating disk 7 rotates, it can drive the sweeping brush 8 to clean the filter screen plate 6, so that the dust and other impurities adhering to the filter screen plate 6 can be swept away. The swept dust can be discharged into the through slot 5 through the drain slot 10. When the electric push rod 25 is running, its output The end can push the fixed plate 20 to move, thereby driving the fixed rod 19 to pull the piston block 18 to move. At this time, the air intake one-way valve 23 in the air intake chamber 21 of the air pipe 17 is opened, and the gas enters the air storage cylinder 16 through the air intake chamber 21. The air intake one-way valve 23 is closed. At this time, the gas can be stored inside the air storage cylinder 16. By twisting the air storage cylinder 16, the air storage cylinder 16 can be taken out through the threaded connection between the air storage cylinder 16 and the threaded chamber 3. When it is necessary to discharge the gas inside the air storage cylinder 16, press the fixed rod 19 to drive the piston block 18 to move. At this time, the air outlet one-way valve 24 in the exhaust chamber 22 in the air pipe 17 is opened to discharge the gas, which is convenient for storing the gas and then taking it out through the air storage cylinder 16.

[0038] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A chemical environmental protection harmful gas sampling device, comprising a body (1), characterized in that: The inner wall of the body (1) is provided with an air cavity (2) and a threaded cavity (3); a mounting plate (4) is fixedly connected to one side of the body (1); a through groove (5) is provided on the inner wall of the mounting plate (4); the through groove (5) is in communication with the air cavity (2); a filter screen (6) is provided on the inner wall of the through groove (5); a rotating disk (7) is rotatably connected to the side of the mounting plate (4); a sweeping brush (8) is fixedly connected to the inner wall of the rotating disk (7); A rotating wheel (9) is rotatably connected to one side of the outer surface of the rotating disk (7), a rubber pad is fixedly connected to the outer surface of the rotating wheel (9), and a drain groove (10) is formed on the inner side wall of the through groove (5), and the drain groove (10) penetrates the inner side wall of the groove (5) and extends to the lower surface of the mounting plate (4).

2. A chemical environmental harmful gas sampling device according to claim 1, characterized in that: A support frame (11) is fixedly connected to the inner wall of the air cavity (2); an impeller (12) is rotatably connected to one side of the support frame (11); a motor (13) is installed on the other side of the support frame (11); and an output end of the motor (13) is fixedly connected to the impeller (12).

3. A chemical environmental harmful gas sampling device according to claim 1, characterized in that: The inner wall of the threaded cavity (3) is provided with a through hole (14), the through hole (14) is in communication with the air cavity (2), and a ventilation window (15) is provided on one side of the outer surface of the body (1).

4. A chemical environmental harmful gas sampling device according to claim 1, characterized in that: The inner wall of the threaded cavity (3) is threadedly connected to an air storage cylinder (16), one end of the air storage cylinder (16) is fixedly connected to an air pipe (17), the inner wall of the air storage cylinder (16) is slidably connected to a piston block (18), one side of the piston block (18) is fixedly connected to a fixing rod (19), and one end of the fixing rod (19) is fixedly connected to a fixing plate (20).

5. A chemical environmental harmful gas sampling device according to claim 4, characterized in that: An air intake cavity (21) and an air exhaust cavity (22) are formed on the inner wall of the air pipe (17); an air intake check valve (23) is provided on the inner wall of the air intake cavity (21); and an air exhaust check valve (24) is provided on the inner wall of the air exhaust cavity (22).

6. A chemical environmental harmful gas sampling device according to claim 1, characterized in that: An electric push rod (25) is installed on the upper surface of the body (1).

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