Waste gas sampling device for industrial waste gas detection

Abstract

The utility model discloses a waste gas sampling device for industrial waste gas detection, which belongs to the technical field of industrial waste gas detection and comprises a box body, a gas collection cylinder is arranged at the bottom of the box body, a motor is fixedly mounted at the top of an inner cavity of the box body, an output end of the motor is fixedly connected with a screw rod, a piston is arranged in an inner cavity of the gas collection cylinder, and the piston is fixedly connected with the screw rod. A connecting cylinder is fixedly installed at the top of the piston, cushion blocks are fixedly installed at the bottoms of the left side and the right side of an inner cavity of the gas collecting cylinder, limiting rods are arranged at the bottoms of the cushion blocks, the tops of the limiting rods penetrate through the cushion blocks and are fixedly connected with sealing gaskets, and compression springs are fixedly connected to the tops of the cushion blocks. According to the device, industrial waste gas can be automatically collected, a worker does not need to manually pull a connecting rod, the use convenience of the device is improved, the sealing performance of the device is also improved, a sample of the waste gas is prevented from being changed, and the detection accuracy is improved.

Description

Technical Field

[0001] This utility model relates to the field of industrial waste gas detection technology, and in particular to a waste gas sampling device for industrial waste gas detection. Background Technology

[0002] Industrial waste gas sampling devices are equipment specifically designed for industrial waste gas monitoring. They can effectively collect samples from waste gas emitted from factories to facilitate quantitative and qualitative analysis of pollutants.

[0003] Patent document CN217180158U discloses an industrial waste gas sampling device, including a replaceable sampling tube, a second annular groove at the lower end of a protective outer cylinder, a second connecting ring embedded in the second annular groove, a first annular groove at the inner bottom of the protective outer cylinder, a protective inner cylinder inside the protective outer cylinder, and a first connecting ring embedded in the first annular groove at the lower end of the protective inner cylinder. This utility model discloses an industrial waste gas sampling device for detection. Rotating the protective inner cylinder separates the protective inner cylinder from the protective outer cylinder, allowing for cleaning of the protective inner cylinder. Rotating the replaceable sampling tube allows for removal and cleaning of the replaceable sampling tube, facilitating user operation. The device also incorporates insulation material to maintain the temperature of the industrial waste gas within the sampling and storage chamber.

[0004] The device in the above-mentioned technical solution cannot automatically pull the piston, requiring operators to manually pull the connecting rod, which is impractical and has poor sealing, easily leading to changes in the waste gas sample and affecting the accuracy of the detection. Therefore, we propose a waste gas sampling device for industrial waste gas detection to solve this problem. Utility Model Content

[0005] The purpose of this invention is to provide an industrial waste gas sampling device for detection, so as to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] An industrial waste gas sampling device includes a housing, a gas collecting cylinder at the bottom of the housing, a motor fixedly installed at the top of the inner cavity of the housing, a lead screw fixedly connected to the output end of the motor, a piston installed in the inner cavity of the gas collecting cylinder, a connecting cylinder fixedly installed at the top of the piston, pads fixedly installed at the bottom of the left and right sides of the inner cavity of the gas collecting cylinder, a limit rod at the bottom of the pad, a sealing gasket fixedly connected to the top of the limit rod through the pad, a compression spring fixedly connected to the top of the pad, the top of the compression spring fixedly connected to the bottom of the sealing gasket, and the compression spring sleeved on the outside of the limit rod.

[0008] Preferably, the top of the gas collecting cylinder is fixedly connected to the bottom of the box body, the top of the connecting cylinder passes through the gas collecting cylinder and extends into the inner cavity of the box body, the bottom of the lead screw extends into the interior of the connecting cylinder, and the outer side of the lead screw is threadedly connected to the inner wall of the connecting cylinder.

[0009] Preferably, limit blocks are fixedly connected to the top of both sides of the connecting cylinder, and support rods are fixedly installed on the left and right sides of the top and bottom of the inner cavity of the box.

[0010] Preferably, a storage battery is fixedly installed on the right side of the inner cavity of the box, and a controller is fixedly installed on the bottom of the right side of the box. The input terminal of the controller is electrically connected to the output terminal of the motor.

[0011] Preferably, the limiting block is sleeved on the outside of the support rod, and the inner cavity of the limiting block is in sliding contact with the outer side of the support rod.

[0012] Preferably, a handle is fixedly installed on the right side of the box body, and an exhaust port is fixedly connected to the bottom of the right side of the air collecting cylinder.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] 1. In this utility model, the controller starts the motor to rotate forward, the motor rotates the lead screw, the lead screw drives the connected connecting cylinder to move upward, and the connecting cylinder drives the limit block and piston to move upward, which can automatically collect industrial waste gas, avoid the need for the staff to manually pull the connecting rod, and improve the ease of use of the device.

[0015] 2. In this utility model, when the piston moves upward, it will drive the sealing gasket to move upward. The sealing gasket will drive the limiting rod to move upward, and at the same time stretch the compression spring. When the exhaust gas is drawn into the gas collecting cylinder, the movement of the piston will stop. The elastic force of the compression spring will reset the sealing gasket, which improves the sealing performance of the device, avoids changes in the exhaust gas sample, and improves the accuracy of the detection. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of an industrial waste gas sampling device for detecting waste gas proposed in this utility model.

[0017] Figure 2 This is a cross-sectional structural schematic diagram of an industrial waste gas sampling device for detection proposed in this utility model.

[0018] Figure 3 for Figure 2 A magnified view of part A in the middle.

[0019] In the diagram: 1. Box body; 2. Gas collection cylinder; 3. Motor; 4. Lead screw; 5. Connecting cylinder; 6. Piston; 7. Exhaust port; 8. Pad block; 9. Limiting rod; 10. Sealing gasket; 11. Compression spring; 12. Support rod; 13. Limiting block; 14. Handle; 15. Battery; 16. Controller. Detailed Implementation

[0020] The technical solutions in the embodiments of the present invention will be clearly and completely described 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] Reference Figure 1-3 An industrial waste gas sampling device includes a housing 1, a gas collecting cylinder 2 at the bottom of the housing 1, a motor 3 fixedly installed at the top of the inner cavity of the housing 1, a lead screw 4 fixedly connected to the output end of the motor 3, a piston 6 installed in the inner cavity of the gas collecting cylinder 2, a connecting cylinder 5 fixedly installed at the top of the piston 6, pads 8 fixedly installed at the bottom of the left and right sides of the inner cavity of the gas collecting cylinder 2, a limit rod 9 at the bottom of the pad 8, a sealing gasket 10 fixedly connected to the top of the limit rod 9 through the pad 8, a compression spring 11 fixedly connected to the top of the pad 8, the top of the compression spring 11 fixedly connected to the bottom of the sealing gasket 10, and the compression spring 11 sleeved on the outside of the limit rod 9.

[0022] In this embodiment, the top of the gas collecting cylinder 2 is fixedly connected to the bottom of the box body 1. The top of the connecting cylinder 5 passes through the gas collecting cylinder 2 and extends into the inner cavity of the box body 1. The bottom of the lead screw 4 extends into the interior of the connecting cylinder 5. The outer side of the lead screw 4 is threadedly connected to the inner wall of the connecting cylinder 5. Limiting blocks 13 are fixedly connected to the top of both the left and right sides of the connecting cylinder 5. Support rods 12 are fixedly installed on the left and right sides of the top and bottom of the inner cavity of the box body 1. Through the mutual cooperation of the limiting blocks 13 and the support rods 12, the connecting cylinder 5 can be limited, which improves the stability of the connecting cylinder 5 moving up and down.

[0023] In this embodiment, a storage battery 15 is fixedly installed on the right side of the inner cavity of the box 1, and a controller 16 is fixedly installed on the bottom right side of the box 1. The input end of the controller 16 is electrically connected to the output end of the motor 3. The limiting block 13 is sleeved on the outside of the support rod 12, and the inner cavity of the limiting block 13 slides in contact with the outside of the support rod 12. A handle 14 is fixedly installed on the right side of the box 1, and an exhaust port 7 is fixedly connected to the bottom right side of the air collecting cylinder 2. The controller 16 facilitates the control of the start and stop of the motor 3, improving the ease of use of the device.

[0024] In this embodiment, during use, the controller 16 starts the motor 3 to rotate forward. The forward rotation of the motor 3 drives the lead screw 4 to rotate, and the lead screw 4 drives the connected connecting cylinder 5 to move upward. The connecting cylinder 5 drives the limiting block 13 and the piston 6 to move upward, which can automatically collect industrial waste gas, avoiding the need for operators to manually pull the connecting rod and improving the ease of use of the device. When the piston 6 moves upward, it will drive the sealing gasket 10 to move upward. The sealing gasket 10 drives the limiting rod 9 to move upward, and at the same time stretches the compression spring 11. When the waste gas is sucked into the gas collecting cylinder 2, the movement of the piston 6 stops, and the elastic force of the compression spring 11 will reset the sealing gasket 10, which improves the sealing performance of the device, prevents changes in the waste gas sample, and improves the accuracy of detection.

[0025] The above provides a detailed description of the waste gas sampling device for industrial waste gas detection provided by this utility model. Specific embodiments have been used to illustrate the principle and implementation of this utility model. The descriptions of the embodiments above are only for the purpose of helping to understand the method and core idea of ​​this utility model. It should be noted that those skilled in the art can make several improvements and modifications to this utility model without departing from the principle of this utility model, and these improvements and modifications also fall within the protection scope of the claims of this utility model.

Claims

1. An industrial waste gas sampling device, comprising a housing (1), characterized in that: The bottom of the box (1) is provided with an air collecting cylinder (2). The top of the inner cavity of the box (1) is fixedly installed with a motor (3). The output end of the motor (3) is fixedly connected with a lead screw (4). The inner cavity of the air collecting cylinder (2) is provided with a piston (6). The top of the piston (6) is fixedly installed with a connecting cylinder (5). The bottom of the left and right sides of the inner cavity of the air collecting cylinder (2) is fixedly installed with pads (8). The bottom of the pads (8) is provided with a limit rod (9). The top of the limit rod (9) passes through the pads (8) and is fixedly connected with a sealing gasket (10). The top of the pads (8) is fixedly connected with a compression spring (11). The top of the compression spring (11) is fixedly connected to the bottom of the sealing gasket (10). The compression spring (11) is sleeved on the outside of the limit rod (9).

2. The waste gas sampling device for industrial waste gas detection according to claim 1, characterized in that: The top of the gas collecting cylinder (2) is fixedly connected to the bottom of the box body (1). The top of the connecting cylinder (5) passes through the gas collecting cylinder (2) and extends into the inner cavity of the box body (1). The bottom of the lead screw (4) extends into the interior of the connecting cylinder (5). The outer side of the lead screw (4) is threadedly connected to the inner wall of the connecting cylinder (5).

3. The waste gas sampling device for industrial waste gas detection according to claim 1, characterized in that: Limiting blocks (13) are fixedly connected to the top of both sides of the connecting cylinder (5), and support rods (12) are fixedly installed on the top and bottom sides of the inner cavity of the box body (1).

4. The waste gas sampling device for industrial waste gas detection according to claim 1, characterized in that: A battery (15) is fixedly installed on the right side of the inner cavity of the box (1), and a controller (16) is fixedly installed at the bottom of the right side of the box (1). The input end of the controller (16) is electrically connected to the output end of the motor (3).

5. The waste gas sampling device for industrial waste gas detection according to claim 3, characterized in that: The limiting block (13) is sleeved on the outside of the support rod (12), and the inner cavity of the limiting block (13) slides in contact with the outside of the support rod (12).

6. The waste gas sampling device for industrial waste gas detection according to claim 1, characterized in that: A handle (14) is fixedly installed on the right side of the box (1), and an exhaust port (7) is fixedly connected to the bottom right side of the air collecting cylinder (2).

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