Gas sampling equipment for detecting components of mixed gas

Abstract

The utility model discloses gas sampling equipment for detecting components of mixed gas, and relates to the field of chemical gas detection. The device comprises a gas sampling tank, one end of the gas sampling tank is provided with a rapid insertion gas inlet pipe, a fixed outer sealing disc is fixedly connected in a pipeline at one end of the rapid insertion gas inlet pipe, the inner end of the fixed outer sealing disc is movably clamped with a movable inner sealing disc, and the front end of the movable inner sealing disc is fixedly connected with a sealing gasket; the inner end of the movable inner sealing disc is fixedly connected with a spring, the movable inner sealing disc tightly abuts against the fixed outer sealing disc under the action of the spring, and the sealing gasket is used for preventing gas in the fast-inserting-connection gas inlet pipe from leaking outwards. When the device is in butt joint with an external pipeline, the external pipeline only needs to apply inward force to the movable inner sealing disc, mixed gas can be conveyed into the bottle, and after the external pipeline is taken away, the movable inner sealing disc rapidly and tightly abuts against the fixed outer sealing disc under the action of the spring and is sealed through the sealing gasket.

Description

TECHNICAL FIELD

[0001] The utility model relates to chemical industry gas detection technical field, specifically is a kind of gas sampling equipment for mixed gas component detection. BACKGROUND

[0002] Chemical industry gas sampling equipment is widely used in petroleum, chemical industry, environmental protection and scientific research and multiple fields such as research.In factory workshop, laboratory and other workplaces, the equipment is extracted from process flow safely and accurately by using negative pressure or positive pressure principle through precise valve and pipeline system.Its working principle is based on pressure difference control, ensures that gas component is not polluted and changed in sampling process, provides reliable basis for subsequent gas analysis and quality monitoring.

[0003] The existing gas sampling equipment generally places sampling bottle on sampling pipeline clamping, then needs to open valve on pipeline and gas sampling bottle, waits for gas to be filled into sampling bottle and then closes valve in turn.For operator, operation process is complex, and one-hand holding sampling bottle is needed when single-person operation, so that operation is difficult, and safety accident is prone to occur.Aiming at above situation, the utility model provides a kind of gas sampling equipment for mixed gas component detection to solve above problems. UTILITY MODEL CONTENT

[0004] For the deficiencies of prior art, the utility model provides a kind of gas sampling equipment for mixed gas component detection, solves that the existing gas sampling equipment generally places sampling bottle on sampling pipeline clamping, then needs to open valve on pipeline and gas sampling bottle, waits for gas to be filled into sampling bottle and then closes valve in turn.For operator, operation process is complex, and one-hand holding sampling bottle is needed when single-person operation, so that operation is difficult, and safety accident is prone to occur.Aiming at above situation, the utility model provides a kind of gas sampling equipment for mixed gas component detection to solve above problems.

[0005] To achieve the above object, the utility model is realized by the following technical scheme: a kind of gas sampling equipment for mixed gas component detection, including gas sampling tank, one end of the gas sampling tank is provided with quick plug-in air inlet pipe, one end pipeline of the quick plug-in air inlet pipe is fixedly connected with fixed outer sealing disc, the inner end of the fixed outer sealing disc is movably clamped with movable inner sealing disc, wherein, the movable inner sealing disc front end is fixedly connected with sealing pad, the movable inner sealing disc inner end is fixedly connected with spring, the movable inner sealing disc is tightly abutted with fixed outer sealing disc under the action of spring, and the sealing pad is used to prevent gas from leaking out of the quick plug-in air inlet pipe.

[0006] Preferably, one end of the gas sampling tank is provided with a flange type air inlet head, a sealing rubber ring is arranged in the flange type air inlet head, and fixing bolts are arranged on the flange type air inlet head.

[0007] Preferably, one end of the quick plug-in air inlet pipe is fixedly connected with a flange, the other end of the quick plug-in air inlet pipe is provided with a plug-in pipe end, the flange is connected with the flange type air inlet head through fixing bolts, and the plug-in pipe end is used for plugging an external pipeline.

[0008] Preferably, the quick plug-in air inlet pipe is provided with a middle shaft fixing disc, cross connecting columns are fixedly connected to four ends of the middle shaft fixing disc, the other ends of the cross connecting columns are fixedly connected in the quick plug-in air inlet pipe, and the fixed outer sealing disc is fixedly connected in the middle shaft fixing disc.

[0009] Preferably, the fixed outer sealing disc is fixedly connected with a connecting threaded support column at the back end, a fixed nut is threadedly connected to the other end of the connecting threaded support column, the connecting threaded support column is movably plugged in the shaft center of the middle shaft fixing disc, and the connecting threaded support column is fixedly connected in the shaft center of the middle shaft fixing disc through the fixed nut.

[0010] Preferably, the fixed ring is fixedly connected to the inner wall of the quick plug-in air inlet pipe, a sliding through hole is formed in the fixed ring, the movable inner sealing disc is further fixedly connected with a sliding column, one end of the spring is fixedly connected to the movable inner sealing disc, the other end of the spring is fixedly connected to the fixed ring, the spring is arranged on the sliding column, and the sliding column is slidably connected in the sliding through hole.

[0011] The utility model discloses a kind of gas sampling equipment for mixed gas component detection, and it has the beneficial effects as follows: the gas sampling equipment for mixed gas component detection, by being provided with quick plug-in air inlet pipe in one end of gas sampling tank, when butting external pipeline, only need to apply the force inwards to movable inner sealing disc by external pipeline, so that movable inner sealing disc and fixed outer sealing disc are separated, mixed gas can be transported into bottle, after external pipeline is taken away, movable inner sealing disc is quickly and closely abutted with fixed outer sealing disc under the action of spring, and sealing is carried out by sealing washer. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description, obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0013] Figure 1 It is a whole front structure schematic diagram of the present application.

[0014] Figure 2 It is a whole explosion structure schematic diagram of the present application.

[0015] Figure 3 It is a cross section structure schematic diagram of the quick plug-in air inlet pipe of the present application.

[0016] Figure 4 It is an explosion structure schematic diagram of the quick plug-in air inlet pipe of the present application.

[0017] In the figure: 1, gas sampling tank; 11, flange air inlet head; 111, sealing rubber ring; 112, fixing bolt; 2, quick plug-in air inlet pipe; 21, flange; 22, central shaft fixing disc; 221, cross connecting column; 23, plug-in pipe end; 24, fixed outer sealing disc; 241, connecting threaded support column; 242, fixing nut; 25, movable inner sealing disc; 251, sealing gasket; 252, spring; 253, sliding column; 26, fixed ring; 261, sliding through hole; 3, air release valve; 31, meter. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions in the embodiments of the present application are described clearly and completely, obviously, the described embodiments are some embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0019] The gas sampling equipment for mixed gas component detection provided by the embodiments of the present application solves the problem that the existing gas sampling equipment generally clamps the sampling bottle on the sampling pipeline, then needs to open all the valves on the pipeline and the gas sampling bottle, and sequentially closes the valves after the gas is filled into the sampling bottle. For the operator, the operation process is complex, and when operating alone, one hand needs to hold the sampling bottle all the time, which makes the operation difficult and prone to safety accidents. In view of the above situation, the present application provides a gas sampling equipment for mixed gas component detection to solve the above problems.

[0020] For better understanding of the above technical solutions, the above technical solutions will be described in detail below in combination with the drawings and specific embodiments of the specification.

[0021] The utility model discloses a kind of gas sampling equipment for mixed gas component detection.

[0022] According to the drawings Figures 1-4 As shown,

[0023] Including gas sampling tank 1, one end of gas sampling tank 1 is provided with quick plug-in air inlet pipe 2, one end pipeline of quick plug-in air inlet pipe 2 is fixedly connected with fixed outer sealing disc 24, the inner end of fixed outer sealing disc 24 is movably clamped with movable inner sealing disc 25, wherein, movable inner sealing disc 25 front end is fixedly connected with sealing pad 251, movable inner sealing disc 25 inner end is fixedly connected with spring 252, movable inner sealing disc 25 is tightly abutted with fixed outer sealing disc 24 under the action of spring 252, sealing pad 251 is used to prevent gas leakage in quick plug-in air inlet pipe 2, when using, first, the quick plug-in air inlet pipe 2 of gas sampling tank 1 is clamped in external air inlet pipeline and lets air inlet pipeline exert pressure on movable inner sealing disc 25, so that movable inner sealing disc 25 slides inwards, at this time, gap appears between movable inner sealing disc 25 and fixed outer sealing disc 24, due to high pressure in external pipeline, mixed gas is continuously transported to gas sampling tank 1 under the action of pressure and fills up, then, the valve of external pipeline is closed, gas sampling tank 1 is taken off from external pipeline, picks up external pressure, movable inner sealing disc 25 restores under the action of spring 252 and is tightly sealed with fixed outer sealing disc 24.

[0024] One end of gas sampling tank 1 is provided with flange type air inlet head 11, flange type air inlet head 11 is provided with sealing rubber ring 111, flange type air inlet head 11 is provided with fixed bolt 112, sealing rubber ring 111 is used to enhance the sealing property of the pipe mouth of gas sampling tank 1, the other end of gas sampling tank 1 is fixedly connected with air release valve 3, the top of air release valve 3 is provided with meter 31, one end of quick plug-in air inlet pipe 2 is fixedly connected with flange plate 21, the other end of quick plug-in air inlet pipe 2 is provided with plug-in pipe end 23, flange plate 21 is connected with flange type air inlet head 11 through fixed bolt 112, plug-in pipe end 23 is used to plug-in external pipeline, fixed outer sealing disc 24 is fixed in plug-in pipe end 23.

[0025] The quick plug-in air inlet pipe 2 is provided with a middle shaft fixing disc 22, the four ends of the middle shaft fixing disc 22 are fixedly connected with cross connecting columns 221, the other ends of the cross connecting columns 221 are fixedly connected in the quick plug-in air inlet pipe 2, a fixed outer sealing disc 24 is fixedly connected in the middle shaft fixing disc 22, the back end of the fixed outer sealing disc 24 is fixedly connected with connecting threaded support columns 241, the other ends of the connecting threaded support columns 241 are threadedly connected with fixed nuts 242, the connecting threaded support columns 241 are movably inserted in the shaft center of the middle shaft fixing disc 22, the connecting threaded support columns 241 are fixedly connected in the shaft center of the middle shaft fixing disc 22 through the fixed nuts 242, and the fixed outer sealing disc 24 is fixed on the middle shaft fixing disc 22 through the connecting threaded support columns 241 during use, so that the fixed outer sealing disc 24 is convenient to disassemble and install and is convenient to use and disassemble and clean.

[0026] The quick plug-in air inlet pipe 2 is provided with a middle shaft fixing disc 22, the four ends of the middle shaft fixing disc 22 are fixedly connected with cross connecting columns 221, the other ends of the cross connecting columns 221 are fixedly connected in the quick plug-in air inlet pipe 2, a fixed outer sealing disc 24 is fixedly connected in the middle shaft fixing disc 22, the back end of the fixed outer sealing disc 24 is fixedly connected with connecting threaded support columns 241, the other ends of the connecting threaded support columns 241 are threadedly connected with fixed nuts 242, the connecting threaded support columns 241 are movably inserted in the shaft center of the middle shaft fixing disc 22, the connecting threaded support columns 241 are fixedly connected in the shaft center of the middle shaft fixing disc 22 through the fixed nuts 242, and the fixed outer sealing disc 24 is fixed on the middle shaft fixing disc 22 through the connecting threaded support columns 241 during use, so that the fixed outer sealing disc 24 is convenient to disassemble and install and is convenient to use and disassemble and clean.

[0027] The basic principle and main features of the utility model and the advantages of the utility model are shown and described. The skilled in the art should understand that the utility model is not limited by the above examples, and the above examples and the description in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A gas sampling apparatus for detecting a mixed gas component, comprising a gas sampling canister (1), characterized by, One end of the gas sampling tank (1) is provided with a quick plug-in air inlet pipe (2); One end of the quick plug-in air inlet pipe (2) is fixedly connected with a fixed outer sealing disc (24) in the pipe, and the inner end of the fixed outer sealing disc (24) is movably connected with a movable inner sealing disc (25); The movable inner sealing disc (25) is fixedly connected with a sealing gasket (251) at the front end, and a spring (252) is fixedly connected to the inner end of the movable inner sealing disc (25); The movable inner sealing disc (25) is tightly abutted with the fixed outer sealing disc (24) under the action of the spring (252), and the sealing gasket (251) is used to prevent the gas in the quick plug-in air inlet pipe (2) from leaking out.

2. The gas sampling apparatus for detecting a mixed gas composition according to claim 1, characterized by: One end of the gas sampling tank (1) is provided with a flange type air inlet head (11), the flange type air inlet head (11) is provided with a sealing rubber ring (111), and the flange type air inlet head (11) is provided with a fixing bolt (112), the sealing rubber ring (111) is used to enhance the sealing performance of the pipe opening of the gas sampling tank (1), and the other end of the gas sampling tank (1) is fixedly connected with a gas release valve (3), and the top end of the gas release valve (3) is provided with a meter (31).

3. The gas sampling apparatus for detecting a mixed gas composition according to claim 2, characterized by: One end of the quick plug-in air inlet pipe (2) is fixedly connected with a flange plate (21), and the other end of the quick plug-in air inlet pipe (2) is provided with a plug-in pipe end (23), the flange plate (21) is connected with the flange type air inlet head (11) through the fixing bolt (112), and the plug-in pipe end (23) is used for plugging the external pipeline.

4. The gas sampling apparatus for detecting a mixed gas composition according to claim 1, characterized by: The quick plug-in air inlet pipe (2) is provided with a middle shaft fixing disc (22), the middle shaft fixing disc (22) is fixedly connected with a cross connecting column (221) at four ends, the other end of the cross connecting column (221) is fixedly connected in the quick plug-in air inlet pipe (2), and the fixed outer sealing disc (24) is fixedly connected in the middle shaft fixing disc (22).

5. The gas sampling apparatus for detecting a mixed gas composition according to claim 4, characterized by: The fixed outer sealing disc (24) is fixedly connected with a connecting threaded support column (241) at the back end, the other end of the connecting threaded support column (241) is threadedly connected with a fixing nut (242), the connecting threaded support column (241) is movably plugged at the shaft center of the middle shaft fixing disc (22), and the connecting threaded support column (241) is fixedly connected at the shaft center of the middle shaft fixing disc (22) through the fixing nut (242).

6. The gas sampling apparatus for detecting a mixed gas composition according to claim 1, characterized by: The fixed ring (26) is fixedly connected on the inner wall of the quick plug-in air inlet pipe (2), the sliding through hole (261) is formed in the fixed ring (26), and the sliding column (253) is further fixedly connected to the inner end of the movable inner sealing disc (25); One end of the spring (252) is fixedly connected in the movable inner sealing disc (25), the other end of the spring (252) is fixedly connected on the fixed ring (26), the spring (252) is arranged on the sliding column (253), and the sliding column (253) is slidably connected in the sliding through hole (261).

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