Sample collection box based on waste gas detection
By designing a sealing device in the exhaust gas detection system, reliable sealing of pipelines and exhaust pipes is achieved using circular plates, orifices, screws and other components, the problem of hidden and difficult to replace the sealing ring is solved, and the stability and working efficiency of exhaust gas absorption are improved.
Patent Information
- Application Number
- CN202420638931.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-29
- Publication Date
- 2025-03-14
- Estimated Expiration
- 2034-03-29
AI Technical Summary
In the existing exhaust gas detection system, the sealing ring between the conveyor pipes is easily hidden and difficult to replace quickly, resulting in deformation or damage to the sealing gasket and causing leakage problems.
A sample collection box based on exhaust gas detection is designed, and a sealing device includes a circular plate, an orifice plate, a screw, a bump, a circular frame, a limit frame and a sealing gasket. Through the mutual cooperation of these components, reliable sealing of the pipe and exhaust pipe is achieved, and the deformation possibility of the sealing gasket is reduced through the leaking circular frame, which is convenient for observation and replacement.
Reliable sealing at the connection of exhaust pipes and pipes is achieved, which reduces the possibility of deformation of the sealing gasket, facilitates replacement, improves the stability and working efficiency of exhaust gas absorption, and avoids the inability to enter the collection box due to leakage.
Smart Images
Figure CN222618321U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of waste gas detection and collection, in particular to a sample collection box based on waste gas detection. Background Art
[0002] Waste gas detection refers to the process of monitoring and analyzing waste gas generated in industrial production, environmental monitoring and other fields to determine the types, concentrations and emissions of various pollutants in the waste gas. In the process of waste gas detection, the waste gas must first be collected and loaded into a collection box. The collection box is a container or device used to collect and store waste gas samples during the waste gas detection process for subsequent analysis and detection.
[0003] The above-mentioned and existing related technologies often have the following defects: in the process of exhaust gas collection, a delivery pipe is usually used to absorb the exhaust gas and transport the exhaust gas to the collection box. Many sealing rings between the delivery pipes are often hidden inside the pipes. Long-term use can easily cause the sealing gasket to deform or be damaged and cannot be quickly replaced, thereby causing leakage in the delivery pipe.
[0004] Therefore, the utility model provides a sample collection box based on exhaust gas detection. Utility Model Content
[0005] The purpose of the utility model is to solve the shortcomings in the prior art that the sealing rings between the conveying pipes are often hidden inside the pipes, which may easily cause the sealing gaskets to deform or be damaged after long-term use and cannot be quickly replaced, and a sample collection box based on exhaust gas detection is proposed.
[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a sample collection box based on exhaust gas detection, including an air pump and a pipeline, one side of the air pump is connected to an air suction pipe, the side of the air pump away from the air suction pipe is connected to an exhaust pipe, the exhaust pipe and the pipeline are detachable and installed, the arc surface of the pipeline is fixedly connected with a valve, one end of the pipeline is connected to a collection box body, the surface of the collection box body is fixedly connected with a pressure gauge, the surface of the exhaust pipe is provided with a sealing device, the sealing device includes a circular plate, the circular plate is fixedly connected to the exhaust pipe, the surface of the pipeline is fixedly connected with a orifice plate, the orifice plate is slidably connected to the circular plate, the surface of the circular plate is threadedly connected with a screw, the size of one end of the screw is adapted to the size of the hole on the surface of the orifice plate, the surface of the circular plate is fixedly connected with a protrusion, the surface of the protrusion is slidably connected to a limiting frame, the surface of the limiting frame is fixedly connected with a circular frame, and the inner wall of the circular frame is glued with a sealing gasket.
[0007] Preferably, a fixing plate is fixedly connected to the surface of the circular plate, a limiting rod is slidably penetrated through the surface of the fixing plate, and the limiting rod is slidably connected to the limiting frame.
[0008] Preferably, the arc surface of the limiting rod is sleeved with a spring, and two ends of the spring are fixedly connected to the limiting rod and the fixing plate respectively.
[0009] Preferably, the arc surface of the exhaust duct is fixedly connected to a docking frame.
[0010] Preferably, an auxiliary device is provided on the side of the collecting box body away from the pipeline, and the auxiliary device includes a fixing frame, which is fixedly connected to the collecting box body, and an electric push rod is fixedly connected to the surface of the fixing frame, and an output end of the electric push rod is fixedly connected to a piston plate, and the piston plate is slidably connected to the inner wall of the collecting box body.
[0011] Preferably, a guide rod is fixedly connected to the surface of the piston plate, the guide rod is slidably connected to the collection box body, and the guide rod is slidably connected to the fixing frame.
[0012] Preferably, a first sealing ring is glued to the surface of the collection box body, and the first sealing ring is located on the arc surface of the electric push rod. A second sealing ring is glued to the surface of the collection box body, and the second sealing ring is located on the arc surface of the guide rod.
[0013] In summary:
[0014] 1. In the utility model, by setting a sealing device and utilizing the cooperation between the circular plate, the orifice plate, the screw, the bump, the circular frame, the limit frame and the sealing gasket, reliable sealing can be achieved at the connection between the exhaust pipe and the pipeline. At the same time, the exposed circular frame in the design helps to reduce the possibility of deformation of the sealing gasket, and facilitates the observation of whether the sealing gasket is damaged or oxidized so as to replace it in time, thereby reducing the situation where the exhaust gas cannot enter the collection box due to leakage, and can also improve the stability and working efficiency of the exhaust gas absorption.
[0015] 2. In the utility model, by setting an auxiliary device, the waste gas remaining in the collection box body can be effectively discharged, thereby avoiding the accuracy of detection being affected by the residual waste gas in the box when the collection box is used next time. The electric push rod is used to drive the piston plate to discharge the waste gas, which not only improves the accuracy of waste gas detection, but also ensures the cleanliness and stability of the detection environment, providing a reliable basis for subsequent detection work. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;
[0017] Figure 2 It is a schematic diagram of the local structure of the utility model when the pipeline is disassembled;
[0018] Figure 3 It is a schematic diagram of the partial structure of the disassembly of the sealing gasket of the utility model;
[0019] Figure 4 For the utility model Figure 3 A magnified image of point A;
[0020] Figure 5 This is a schematic diagram of the structure of the collection box body of the utility model;
[0021] Figure 6 It is a structural schematic diagram of the auxiliary device of the utility model.
[0022] Legend: 1. Air pump; 2. Suction pipe; 3. Sealing device; 301. Round plate; 302. Orifice plate; 303. Screw; 304. Bump; 305. Docking frame; 306. Round frame; 307. Limiting frame; 308. Sealing pad; 309. Fixing plate; 310. Spring; 311. Limiting rod; 4. Pipeline; 5. Valve; 6. Collection box body; 7. Pressure gauge; 8. Exhaust pipe; 9. Auxiliary device; 91. Fixing frame; 92. Electric push rod; 93. Piston plate; 94. Guide rod; 95. First sealing ring; 96. Second sealing ring. DETAILED DESCRIPTION
[0023] Reference Figure 1 As shown, the utility model provides a technical solution: a sample collection box based on exhaust gas detection, including an air pump 1 and a pipeline 4, one side of the air pump 1 is connected with an air suction pipe 2, the side of the air pump 1 away from the air suction pipe 2 is connected with an exhaust pipe 8, the exhaust pipe 8 and the pipeline 4 are detachably installed, the arc surface of the pipeline 4 is fixedly connected with a valve 5, one end of the pipeline 4 is connected with a collection box body 6, the surface of the collection box body 6 is fixedly connected with a pressure gauge 7, the surface of the exhaust pipe 8 is provided with a sealing device 3, and the side of the collection box body 6 away from the pipeline 4 is provided with an auxiliary device 9.
[0024] The specific arrangement and function of the sealing device 3 and the auxiliary device 9 will be described in detail below.
[0025] Reference Figure 2 and Figure 3 as well as Figure 4As shown, in this embodiment: the sealing device 3 includes a circular plate 301, the circular plate 301 is fixedly connected to the exhaust pipe 8, the surface of the pipe 4 is fixedly connected to the orifice plate 302, the orifice plate 302 is slidably connected to the circular plate 301, the surface of the circular plate 301 is threadedly connected to a screw 303, the size of one end of the screw 303 is adapted to the size of the hole on the surface of the orifice plate 302, the surface of the circular plate 301 is fixedly connected to a protrusion 304, the surface of the protrusion 304 is slidably connected to a limiting frame 307, the surface of the limiting frame 307 is fixedly connected to a circular frame 306, and the inner wall of the circular frame 306 is glued with a sealing gasket 30 8. By setting the sealing device 3, the circular plate 301, the orifice plate 302, the screw 303, the protrusion 304, the circular frame 306, the limit frame 307 and the sealing gasket 308 are used to cooperate with each other, so as to achieve a reliable seal at the connection between the exhaust pipe and the pipe 4. At the same time, the exposed circular frame 306 in the design helps to reduce the possibility of deformation of the sealing gasket 308, and facilitates the observation of whether the sealing gasket 308 is damaged or oxidized, so as to replace it in time, reduce the situation where the exhaust gas cannot enter the collection box due to leakage, and improve the stability and working efficiency of the exhaust gas suction. The surface of the circular plate 301 is solid. The fixing plate 309 is connected with the fixing plate 309, and the surface of the fixing plate 309 slides through the limiting rod 311, and the limiting rod 311 is slidably connected to the limiting frame 307. The limiting rod 311 limits the position of the limiting frame 307, so that the position of the round frame 306 and the sealing gasket 308 can be limited to avoid the sealing gasket 308 from falling when the pipeline 4 is installed. The arc surface of the limiting rod 311 is sleeved with a spring 310, and the two ends of the spring 310 are fixedly connected to the limiting rod 311 and the fixing plate 309 respectively. When the limiting rod 311 is released, the spring 310 starts to move. With the help of its own elastic force, the limit rod 311 is driven to be inserted into the limit frame 307, and the spring 310 achieves the function of automatically resetting the limit rod 311, thereby limiting the position of the limit rod 311 and preventing the limit rod 311 from being lost due to loss of contact with the fixing plate 309. The arc surface of the exhaust duct 8 is fixedly connected with the docking frame 305. The pipe 4 is placed on the docking frame 305, and then the collection box body 6 is pushed toward the direction close to the circular plate 301. The docking frame 305 can support the pipe 4, thereby facilitating workers to quickly dock and install the pipe 4, thereby improving the installation efficiency of the pipe 4.
[0026] Reference Figure 5 and Figure 6As shown, specifically, the auxiliary device 9 includes a fixing frame 91, which is fixedly connected to the collecting box body 6, and an electric push rod 92 is fixedly connected to the surface of the fixing frame 91, and an output end of the electric push rod 92 is fixedly connected to a piston plate 93, and the piston plate 93 is slidably connected to the inner wall of the collecting box body 6. By setting the auxiliary device 9, the waste gas remaining in the collecting box body 6 can be effectively discharged, thereby avoiding the accuracy of the detection being affected by the residual waste gas in the box when the collecting box is used next time. The electric push rod 92 is used to drive the piston plate 93 to discharge the waste gas, which not only improves the accuracy of the waste gas detection, but also ensures the cleanliness and stability of the detection environment, providing a reliable basis for subsequent detection work. The surface of the piston plate 93 is fixedly connected to a guide rod 94, and the guide rod 94 is slidably connected to the collecting box body 6. The guide rod 94 is slidably connected to the fixing frame 91, and the movement of the piston plate 93 will cause the guide rod 94 to slide along the surface of the collecting box body 6 and the fixing frame 91. The guide rod 94 can prevent the electric push rod 92 from being subjected to torque force, thereby preventing the electric push rod 92 from bending. A first sealing ring 95 is glued to the surface of the collecting box body 6, and the first sealing ring 95 is located on the arc surface of the electric push rod 92. A second sealing ring 96 is glued to the surface of the collecting box body 6, and the second sealing ring 96 is located on the arc surface of the guide rod 94. When the electric push rod 92 and the guide rod 94 are in operation, they will slide along the inner walls of the first sealing ring 95 and the second sealing ring 96. The first sealing ring 95 and the second sealing ring 96 can prevent the exhaust gas in the collecting box body 6 from leaking from the joint, thereby improving the sealing of the collecting box body 6.
[0027] Working principle: when it is necessary to connect the pipe 4 with the exhaust pipe and transport the exhaust gas, first align the limit frame 307 with the protrusion 304, then push the sealing gasket 308, the sealing gasket 308 will drive the round frame 306 and the limit frame 307 to move, so that the limit frame 307 slides along the surface of the protrusion 304, before pushing, pull the limit rod 311, the limit rod 311 slides along the surface of the fixed plate 309, and the limit rod 311 stretches the spring 310. When the sealing gasket 308 is against the surface of the circular plate 301, release the limit rod 311, and the spring 310 begins to move with its own force. The elastic force drives the limiting rod 311 to be inserted into the limiting frame 307, and the spring 310 achieves the effect of automatically resetting the limiting rod 311, thereby limiting the position of the limiting rod 311 to prevent the limiting rod 311 from being lost due to loss of contact with the fixing plate 309. The limiting rod 311 limits the position of the limiting frame 307, thereby limiting the position of the circular frame 306 and the sealing gasket 308 to prevent the sealing gasket 308 from falling off when installing the pipe 4. Subsequently, the pipe 4 is placed on the docking frame 305 and then moved closer to the circular plate 301. Push the collecting box body 6 to insert the orifice plate 302 into the circular plate 301, then rotate the screw 303, the screw 303 moves with the help of the thread in the circular plate 301, and the screw 303 slides along the inner wall of the hole opened on the surface of the orifice plate 302 until the screw 303 is pressed against the surface of the exhaust pipe, thereby completing the docking installation of the pipe 4 and the exhaust pipe. The docking frame 305 can support the pipe 4, so that it is convenient for workers to quickly dock and install the pipe 4, thereby improving the installation efficiency of the pipe 4. Then start the air pump 1, and the air pump 1 will pass the exhaust gas through the suction pipe, and then through the exhaust pipe and the pipe 4. Entering into the collecting box body 6, by setting up the sealing device 3, utilizing the mutual cooperation between the circular plate 301, the orifice plate 302, the screw 303, the protrusion 304, the circular frame 306, the limit frame 307 and the sealing gasket 308, it is possible to achieve reliable sealing at the connection between the exhaust pipe and the pipeline 4. At the same time, the exposed circular frame 306 in the design helps to reduce the possibility of deformation of the sealing gasket 308, and facilitates the observation of whether the sealing gasket 308 is damaged or oxidized so as to replace it in time, thereby reducing the situation where the exhaust gas cannot enter the collecting box due to leakage, and can also improve the stability and working efficiency of the exhaust gas absorption.
[0028] After the exhaust gas sampling is completed, the exhaust gas in the collection box body 6 needs to be put into the collection bottle for testing. At this time, there will be residual exhaust gas in the collection box body 6, and the auxiliary device 9 needs to be used to empty the exhaust gas in the collection box body 6. First, start the electric push rod 92. The output end of the electric push rod 92 will drive the piston plate 93 to move in the direction close to the valve 5. At the same time, the piston plate 93 slides along the inner wall of the collection box body 6. The movement of the piston plate 93 will drive the guide rod 94 to slide along the surface of the collection box body 6 and the fixed frame 91. The guide rod 94 can prevent the electric push rod 92 from being subjected to torque force, thereby preventing the electric push rod 92 from bending. When the electric push rod 92 and the guide rod 94 are in operation, By sliding along the inner walls of the first sealing ring 95 and the second sealing ring 96, the first sealing ring 95 and the second sealing ring 96 can prevent the exhaust gas in the collecting box body 6 from leaking from the joint, thereby improving the sealing of the collecting box body 6. At this time, the piston plate 93 will drive the exhaust gas remaining in the collecting box body 6 to be discharged. By setting the auxiliary device 9, the exhaust gas remaining in the collecting box body 6 can be effectively discharged, thereby avoiding affecting the accuracy of the detection due to the residual exhaust gas in the box when the collecting box is used next time. The electric push rod 92 is used to drive the piston plate 93 to discharge the exhaust gas, which not only improves the accuracy of the exhaust gas detection, but also ensures the cleanliness and stability of the detection environment, providing a reliable basis for subsequent detection work.
[0029] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.
Claims
1. A sample collection box based on waste gas detection, comprising an air pump (1) and a pipeline (4), one side of the air pump (1) is connected to an air suction pipe (2), the side of the air pump (1) away from the air suction pipe (2) is connected to an exhaust pipe (8), the exhaust pipe (8) and the pipeline (4) are detachably mounted, the arc surface of the pipeline (4) is fixedly connected to a valve (5), one end of the pipeline (4) is connected to a collection box body (6), the surface of the collection box body (6) is fixedly connected to a pressure gauge (7), and the surface of the exhaust pipe (8) is provided with a sealing device (3), characterized in that: The sealing device (3) comprises a circular plate (301), wherein the circular plate (301) is fixedly connected to the exhaust pipe (8), a perforated plate (302) is fixedly connected to the surface of the pipe (4), the perforated plate (302) is slidably connected to the circular plate (301), a screw (303) is threadedly connected to the surface of the circular plate (301), the size of one end of the screw (303) is matched with the size of the hole on the surface of the perforated plate (302), a convex block (304) is fixedly connected to the surface of the circular plate (301), the surface of the convex block (304) is slidably connected to a limiting frame (307), a circular frame (306) is fixedly connected to the surface of the limiting frame (307), and a sealing gasket (308) is glued to the inner wall of the circular frame (306).
2. A sample collection box based on exhaust gas detection according to claim 1, characterized in that: A fixing plate (309) is fixedly connected to the surface of the circular plate (301), and a limiting rod (311) is slidably penetrated through the surface of the fixing plate (309), and the limiting rod (311) is slidably connected to the limiting frame (307).
3. A sample collection box based on exhaust gas detection according to claim 2, characterized in that: The arc surface of the limiting rod (311) is sleeved with a spring (310), and the two ends of the spring (310) are respectively fixedly connected to the limiting rod (311) and the fixing plate (309).
4. A sample collection box based on exhaust gas detection according to claim 1, characterized in that: The arc surface of the exhaust pipe (8) is fixedly connected to a docking frame (305).
5. The sample collection box based on exhaust gas detection according to claim 1, characterized in that: An auxiliary device (9) is provided on a side of the collection box body (6) away from the pipeline (4), and the auxiliary device (9) comprises a fixing frame (91), the fixing frame (91) is fixedly connected to the collection box body (6), an electric push rod (92) is fixedly connected to the surface of the fixing frame (91), an output end of the electric push rod (92) is fixedly connected to a piston plate (93), and the piston plate (93) is slidably connected to the inner wall of the collection box body (6).
6. A sample collection box based on exhaust gas detection according to claim 5, characterized in that: A guide rod (94) is fixedly connected to the surface of the piston plate (93), the guide rod (94) is slidably connected to the collection box body (6), and the guide rod (94) is slidably connected to the fixing frame (91).
7. The sample collection box based on exhaust gas detection according to claim 5, characterized in that: A first sealing ring (95) is glued to the surface of the collection box body (6), and the first sealing ring (95) is located on the arc surface of the electric push rod (92). A second sealing ring (96) is glued to the surface of the collection box body (6), and the second sealing ring (96) is located on the arc surface of the guide rod (94).