Smoke dust sampling gun

Abstract

The utility model relates to the field of smoke dust sampling, and discloses a smoke dust sampling gun which comprises a smoke dust sampling gun body, the upper surface of the smoke dust sampling gun body is fixedly connected with an air extracting pump, the air inlet end of the air extracting pump is fixedly connected with a connecting pipe, and the front end of the connecting pipe is provided with a sampling detection assembly. The sampling detection assembly comprises an outer protective cylinder, a threaded pipe, a connecting groove, a detachable blocking rod, a detection ring and a filtering membrane, in the use process of the smoke dust sampling gun, after the sucking pump is started, smoke dust gas enters the sampling detection assembly through the connecting pipe, smoke dust particles are intercepted when the smoke dust gas passes through the filtering membrane, and the smoke dust gas enters the sampling detection assembly through the detachable blocking rod; and after smoke dust sampling, the outer protective cylinder is unscrewed from the connecting pipe, and several detachable stop rods are held to pull outwards, so that the detection ring can be easily and quickly taken out from the outer protective cylinder, other tools are not needed, the operation process is simplified, and the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of smoke sampling, especially to a smoke sampling gun. BACKGROUND

[0002] The smoke sampling gun is an environmental protection detection instrument, which is used for collecting smoke samples in gas emitted by fixed pollution sources. When environmental monitoring and pollution source emission detection are carried out, the smoke sampling gun can accurately capture particulate matters in the emitted gas to provide samples for monitoring and analysis.

[0003] According to Chinese authorized patent publication No. CN105258981B, a smoke sampling gun with adjustable gun head sampling area is disclosed, which comprises a sampling gun barrel and a sampling gun head arranged at one end of the sampling gun barrel. The other end of the sampling gun barrel is provided with an adjusting knob. The smoke sampling gun further comprises a bevel gear and a bevel gear connected by a conveyor belt. The bevel gear is coaxially connected with the adjusting knob through the conveyor belt, and the bevel gear is connected with the sampling gun head. Rotating the adjusting knob drives the bevel gear to move. The bevel gear drives the rotation of the bevel gear through the conveyor belt. The bevel gear adjusts the sampling gun port area of the sampling gun head. Compared with the prior art, the sampling device for smoke sampling of fixed sources is improved, which is beneficial to the sampling operation of smoke. It has the advantages of flexibility, convenience, time and labor saving, etc. However, the sampling gun still has some shortcomings. After sampling, the smoke sampling gun usually needs to be disassembled and taken out using a screwdriver, wrench and other tools. The operation process is complicated, time-consuming and labor-intensive. SUMMARY

[0004] In view of the shortcomings of the prior art, the utility model provides a smoke sampling gun, which solves the problem that the smoke sampling gun usually needs to be disassembled and taken out using a screwdriver, wrench and other tools after sampling. The operation process is complicated, time-consuming and labor-intensive.

[0005] To achieve the above purpose, the utility model realizes the following technical scheme: a smoke sampling gun, comprising a smoke sampling gun body, a suction pump is fixedly connected to the upper surface of the smoke sampling gun body, a connecting pipe is fixedly connected to the gas inlet end of the suction pump, a sampling detection assembly is arranged at the front end of the connecting pipe, the sampling detection assembly comprises an outer protective sleeve, a threaded pipe, a connecting groove, a disassembly rod, a detection ring and a filter membrane, the threaded pipe is fixedly connected to the front end of the outer protective sleeve, one end of the threaded pipe away from the outer protective sleeve is threadedly connected with the connecting pipe, the detection ring is arranged in the inner part of the outer protective sleeve, six disassembly rods are arranged outside the detection ring in an annular array, the six disassembly rods are respectively arranged in the six connecting grooves, the six connecting grooves are arranged on the surface of the outer protective sleeve in an annular array, and the filter membrane is arranged in the inner part of the detection ring.

[0006] Preferably, the outside of the smoke sampling gun body is provided with an extension adjusting assembly, the extension adjusting assembly comprises a fixed cylinder, a limiting rod, a fixed baffle and a supporting gasket, the number of the fixed cylinder is two, and the two fixed cylinders are fixedly connected to the left and right sides of the smoke sampling gun body.

[0007] Preferably, the limiting rod is arranged through the middle of the two fixed cylinders, and the front ends of the two limiting rods are fixedly connected to the left and right ends of the rear side of the fixed baffle.

[0008] Preferably, the front end of the fixed baffle is fixedly connected with the supporting gasket.

[0009] Preferably, the outside of the detection ring is provided with threads, the outside of the detection ring is threadedly connected with a smoke inlet pipe, and the smoke inlet pipe is arranged through the inside of the outer protective cylinder.

[0010] Preferably, the exhaust end of the air pump is fixedly connected with an exhaust pipe.

[0011] Beneficial effects

[0012] The utility model provides a kind of smoke sampling gun.Compared with prior art, it has the following beneficial effects:

[0013] 1, the utility model discloses a sampling detection component is set, in the process of using smoke sampling gun, after starting air pump, smoke gas enters sampling detection component by connecting pipe, when passing through filter membrane, smoke particle is intercepted, and clean gas is discharged by air pump, after smoke sampling, outer protective cylinder is twisted off from connecting pipe, and detection ring is extracted from outer protective cylinder by holding several disassembly stops and pulling out side, without using other tools, simplify operation process, improve work efficiency;

[0014] 2, the utility model discloses an extension adjusting assembly is set, by sliding fixed cylinder on limiting rod, smoke sampling gun body can be moved forward or backward, to adapt to different diameter or depth of discharge source, to ensure that sampling gun can accurately reach sampling point. DETAILED DESCRIPTION

[0015] Figure 1 It is a front side three-dimensional structure schematic view of the utility model proposes a kind of smoke sampling gun;

[0016] Figure 2 It is a rear side three-dimensional structure schematic view of the utility model proposes a kind of smoke sampling gun;

[0017] Figure 3 It is a structure schematic view of the sampling detection component in the utility model proposes a kind of smoke sampling gun;

[0018] Figure 4The utility model provides a structure schematic diagram of the dismounting of the file rod in the smoke sampling gun.

[0019] Legend:

[0020] 1, smoke sampling gun body; 2, smoke import pipe; 3, sampling detection assembly; 301, outer protection cylinder; 302, threaded pipe; 303, connecting groove; 304, dismounting file rod; 305, detection ring; 306, filter membrane; 4, connecting pipe; 5, air suction pump; 6, exhaust pipe; 7, telescopic adjusting assembly; 701, fixed cylinder; 702, limiting rod; 703, fixed baffle; 704, support gasket. Specific embodiments

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0022] Please refer to Figures 1-4 The utility model provides two technical schemes, specifically including the following embodiments:

[0023] Embodiment one:

[0024] A kind of smoke sampling gun, including smoke sampling gun body 1, air suction pump 5 is fixedly connected on the upper surface of smoke sampling gun body 1, the air inlet end of air suction pump 5 is fixedly connected with connecting pipe 4, connecting pipe 4 front end is provided with sampling detection assembly 3, sampling detection assembly 3 includes outer protection cylinder 301, threaded pipe 302, connecting groove 303, dismounting file rod 304, detection ring 305 and filter membrane 306, threaded pipe 302 is fixedly connected with the outer protection cylinder 301 front end, the end away from outer protection cylinder 301 of threaded pipe 302 is connected with connecting pipe 4 by screw thread, detection ring 305 is arranged in outer protection cylinder 301, six dismounting file rods 304 are arranged outside detection ring 305, six dismounting file rods 304 are respectively arranged in six connecting grooves 303, six connecting grooves 303 are annularly arranged on the surface of outer protection cylinder 301, filter membrane 306 is arranged in detection ring 305, the aperture of filter membrane 306 is 0.3 μm, the filter membrane 306 of this aperture size can effectively capture and filter most of smoke particles, including PM2.5 or equal to 2.5 microns of smoke particulate matter.

[0025] In use, when the smoke sampling gun is used, after the suction pump 5 is started, the smoke gas enters the sampling detection assembly 3 through the connecting pipe 4, when passing through the filter membrane 306, the smoke particles are intercepted, and the clean gas is discharged through the suction pump 5, after the smoke sampling, the outer protective sleeve 301 is unscrewed from the connecting pipe 4, and the detection ring 305 is taken out from the outer protective sleeve 301 by holding several disassembly clamping rods 304 and pulling outwards, without using other tools, the operation process is simplified, and the working efficiency is improved.

[0026] Example two:

[0027] On the basis of example one, the outer side of the smoke sampling gun body 1 is provided with a telescopic adjusting assembly 7, the telescopic adjusting assembly 7 includes a fixed cylinder 701, a limiting rod 702, a fixed baffle 703 and a supporting pad 704, the number of the fixed cylinder 701 is two, the two fixed cylinders 701 are fixedly connected to the left and right sides of the smoke sampling gun body 1 respectively, the limiting rod 702 is penetratingly arranged in the middle of the two fixed cylinders 701, by sliding the fixed cylinder 701 on the limiting rod 702, the smoke sampling gun body 1 can be moved forward or backward, so as to adapt to the discharge source with different diameters or depths, and ensure that the sampling gun can accurately reach the sampling point, the front end of the two limiting rods 702 is fixedly connected to the left and right ends of the rear side of the fixed baffle 703, the front end of the fixed baffle 703 is fixedly connected with the supporting pad 704, the outer side of the detection ring 305 is provided with a thread, the outer side of the detection ring 305 is threadedly connected with the smoke inlet pipe 2, the smoke inlet pipe 2 is penetratingly arranged in the inner part of the outer protective sleeve 301, and the exhaust end of the suction pump 5 is fixedly connected with the exhaust pipe 6.

[0028] The above only describes the preferred embodiments of the present application, and does not limit the present application, any modification, equivalent replacement and improvement made within the spirit and principle of the application should be included in the protection scope of the present application.

Claims

1. A soot sampling lance comprising a soot sampling lance body (1), characterized in that: The upper surface of the smoke sampling gun body (1) is fixedly connected with an air suction pump (5), the air inlet end of the air suction pump (5) is fixedly connected with a connecting pipe (4), the front end of the connecting pipe (4) is provided with a sampling detection assembly (3), the sampling detection assembly (3) comprises an outer sleeve (301), a threaded pipe (302), a connecting groove (303), a dismounting lever (304), a detection ring (305) and a filter membrane (306), the front end of the outer sleeve (301) is fixedly connected with the threaded pipe (302), one end of the threaded pipe (302) away from the outer sleeve (301) is threadedly connected with the connecting pipe (4), the inner part of the outer sleeve (301) is provided with the detection ring (305), the outer side of the detection ring (305) is provided with six dismounting levers (304), the six dismounting levers (304) are annularly arranged on the outer side of the detection ring (305), the six dismounting levers (304) are respectively arranged through the six connecting grooves (303), the six connecting grooves (303) are annularly arranged on the surface of the outer sleeve (301), and the inner part of the detection ring (305) is provided with the filter membrane (306).

2. A smoke sampling lance according to claim 1, characterized in that: The outer side of the smoke sampling gun body (1) is provided with a telescopic adjusting assembly (7), the telescopic adjusting assembly (7) comprises a fixed cylinder (701), a limiting rod (702), a fixed baffle (703) and a supporting gasket (704), the number of the fixed cylinders (701) is two, and the two fixed cylinders (701) are fixedly connected to the left and right sides of the smoke sampling gun body (1) respectively.

3. A smoke sampling lance according to claim 2, characterised in that: The limiting rods (702) are arranged through the middle of the two fixed cylinders (701), and the front ends of the two limiting rods (702) are fixedly connected to the left and right ends of the rear side of the fixed baffle (703).

4. A smoke sampling lance according to claim 3, characterised in that: The front end of the fixed baffle (703) is fixedly connected with the supporting gasket (704).

5. A smoke sampling lance according to claim 1, characterized in that: The outer side of the detection ring (305) is provided with threads, the outer side of the detection ring (305) is threadedly connected with a smoke guide pipe (2), and the smoke guide pipe (2) is arranged through the inner part of the outer sleeve (301).

6. A smoke sampling lance according to claim 1, characterized in that: The exhaust end of the air suction pump (5) is fixedly connected with an exhaust pipe (6).

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