CN213580277U

CN213580277U - Gas sampling device

Info

Publication number: CN213580277U
Application number: CN202022197682.3U
Authority: CN
Inventors: 郑红岗; 生晓民; 马丁; 杨倩茹; 马文静
Original assignee: Western Third Party Testing Group Ningxia Co ltd
Current assignee: Western Third Party Testing Group Ningxia Co ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-06-29
Anticipated expiration: 2030-09-30

Abstract

The utility model discloses a gas sampling device, belonging to the technical field of gas sampling; a gas sampling device comprises a main shell, wherein the outer wall of the main shell is connected with a supporting plate, an air inlet pipe is rotatably connected in the supporting plate through a bearing, the inner wall of the main shell is connected with a first baffle and a second baffle, the outer wall of the first baffle is connected with a fixing sleeve, the air inlet pipe is rotatably connected in the fixing sleeve, a semicircular groove is formed in the outer wall of one side, adjacent to the fixing sleeve, of the first baffle, the outer wall of the air inlet pipe is connected with a stopper matched with the semicircular groove, the outer wall of the air inlet pipe is sleeved with a threaded pipe, the threaded pipe is in threaded connection with the inside of the main shell; the utility model discloses a sampling device can realize carrying out gaseous collection to the air in a plurality of rooms, makes gaseous collection more convenient, avoids carrying the human consumption that a plurality of sampling instruments caused, and has reduced the cost that air collection used.

Description

Gas sampling device

Technical Field

The utility model relates to a gaseous sampling technical field especially relates to a gaseous sampling device.

Background

Gas sampling is a process of collecting a sample of a pollutant in the atmosphere or a sample of polluted air, the sample is representative, and a gas sampling instrument is a conventional instrument for collecting a gas sample in an atmospheric environment or a working environment.

Because a large amount of VOC and formaldehyde-containing materials are used in the production of building materials, decorative materials, furniture and household appliances, and can be gradually released to pollute the indoor air environment in the subsequent use process, the detection method adopted by the current engineering acceptance is an active air sampler sampling method, and a tester is required to carry instruments and equipment to a field for sampling, and then the gas to be detected obtained by sampling is injected into a professional analytical instrument for analysis.

However, engineering acceptance personnel need to inspect a plurality of rooms every day, and need to carry a plurality of gas sampling devices to respectively carry out gas collection on each room, so that the air sampling device is inconvenient, consumes manpower, increases the air collection cost, and cannot meet the use requirement.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that a single sampling instrument can only sample room air existing in the prior art, and providing a gas sampling device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a gas sampling device, includes total casing, total casing outer wall is connected with the backup pad, it is connected with the intake pipe to rotate through the bearing in the backup pad, total shells inner wall is connected with first baffle and second baffle, first baffle outer wall is connected with fixed cover, the intake pipe rotates to be connected in fixed cover, first baffle is dug with fixed cover adjacent one side outer wall and is had the half slot, just the intake pipe outer wall is dug to have and is kept off with half slot matched with and keep off the piece, the intake pipe outer wall has cup jointed the screwed pipe, screwed pipe threaded connection is in total casing, the screwed pipe outer wall is connected with the knob, the intake pipe is dug respectively with the screwed pipe outer wall and is had first shrinkage pool of matched with and second shrinkage.

Preferably, the air inlet pipe outer wall is connected with a fixing ring, the fixing ring and the supporting plate outer wall are provided with matched positioning holes, and inserting rods are movably connected in the positioning holes.

Preferably, the inner wall of the air inlet pipe is connected with a fixed rod, the outer wall of the fixed rod is connected with a motor, the output end of the motor penetrates through the fixed rod and is connected with a rotating disc, and the outer wall of the rotating disc is connected with fan blades.

Preferably, one end of the air inlet pipe, which is far away from the main shell, is connected with an air inlet hopper, and the inner wall of the air inlet hopper is connected with a filter screen.

Preferably, at least two second baffles are arranged.

Preferably, the outer wall of the main shell is connected with an air outlet.

Compared with the prior art, the utility model provides a gas sampling device possesses following beneficial effect:

1. this gas sampling device through setting up first baffle and second baffle, separates into a plurality of enclosure spaces with total casing, and the intake pipe carries the air in different rooms respectively to the enclosure space of difference in, makes a sampling device can realize carrying out gaseous collection to the air in a plurality of rooms, makes gaseous collection more convenient, avoids carrying the human consumption that a plurality of sampling instruments caused, and has reduced the cost that air collection used.

2. This gas sampling device through the operation of control motor, makes the output of motor drive the flabellum and rotates, and then makes the interior production negative pressure of intake pipe, extracts the air in the intake pipe outside, realizes the sample to the room air.

3. This gas sampling device sets up the air intake fill through the tip at the intake pipe, can make in gaseous quick entering intake pipe, and set up the filter screen in the air intake fill, can intercept dust impurity, avoids gaseous on-line analysis to detect time measuring, and it contains the dust and causes the detection pipeline easily and blocks up.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic sectional view of the present invention;

fig. 3 is a schematic sectional structure diagram of the present invention;

fig. 4 is a schematic structural diagram of a portion a in fig. 1 according to the present invention;

fig. 5 is a schematic structural diagram of a portion B in fig. 2 according to the present invention.

In the figure: 1. a main housing; 101. a first baffle plate; 1011. fixing a sleeve; 1012. a semicircular groove; 102. a second baffle; 2. a support plate; 3. an air inlet pipe; 301. a first recess; 302. a fixing ring; 303. an air inlet hopper; 3031. filtering with a screen; 4. a stopper; 5. a threaded pipe; 501. a knob; 502. a second recess; 6. positioning holes; 601. inserting a rod; 7. fixing the rod; 701. a motor; 702. rotating the disc; 703. a fan blade; 8. and an air outlet.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other; the specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-5, a gas sampling device comprises a main housing 1, a support plate 2 is connected to the outer wall of the main housing 1, an air inlet pipe 3 is rotatably connected to the interior of the support plate 2 through a bearing, a first baffle 101 and a second baffle 102 are connected to the inner wall of the main housing 1, a fixing sleeve 1011 is connected to the outer wall of the first baffle 101, the air inlet pipe 3 is rotatably connected to the interior of the fixing sleeve 1011, a semicircular groove 1012 is formed in the outer wall of one side of the first baffle 101 adjacent to the fixing sleeve 1011, a stopper 4 matched with the semicircular groove 1012 is connected to the outer wall of the air inlet pipe 3, a threaded pipe 5 is sleeved on the outer wall of the air inlet pipe 3, the threaded pipe 5 is threadedly connected to the interior of the main housing 1, a knob 501 is connected to the outer wall of the threaded pipe 5, a first concave hole 301 and a second concave hole 502 matched with the outer walls of, the positioning hole 6 is movably connected with an inserted bar 601, at least two second baffles 102 are arranged, and the outer wall of the main shell 1 is connected with an air outlet 8.

The first baffle 101 and the second baffle 102 are arranged on the inner wall of the main shell 1, the main shell 1 is divided into a plurality of sealed spaces, the air inlet pipe 3 discharges collected air into the sealed space at the bottommost layer, after sampling of the air in a first room is completed, the inserted rod 601 is taken down, the fixing ring 302 drives the air inlet pipe 3 to rotate, the blocking piece 4 blocks the semicircular groove 1012, the air inlet pipe 3 is not communicated with the sealed space at the bottommost layer any more, gas cannot enter any more, when sampling of the air in a second room is needed, the knob 501 is rotated, the knob 501 drives the threaded pipe 5 to rotate at the outer side of the air inlet pipe 3, the threaded pipe 5 is in threaded connection with the main shell 1, the threaded pipe 5 moves outwards in the process of rotating in the main shell 1, each first concave hole 301 corresponds to one second baffle 102, only one second concave hole 502 is provided, and in the process of moving the threaded pipe 5, first shrinkage pool 301 and second shrinkage pool 502 are mutually supported, make the air in the second room that intake pipe 3 will gather carry to the second enclosure space in to the realization is to the gas sampling in a plurality of rooms, makes a sampling device can realize carrying out gaseous collection to the air in a plurality of rooms, makes gaseous collection more convenient, avoids carrying the human consumption that a plurality of sampling instruments caused, and has reduced the cost that the air was gathered and is used.

Example 2:

referring to fig. 1, 2 and 4, a gas sampling device is substantially the same as that in embodiment 1, further, a fixed rod 7 is connected to an inner wall of an air inlet pipe 3, a motor 701 is connected to an outer wall of the fixed rod 7, an output end of the motor 701 penetrates through the fixed rod 7 and is connected to a rotating disc 702, a fan blade 703 is connected to an outer wall of the rotating disc 702, an air inlet hopper 303 is connected to one end of the air inlet pipe 3, which is far away from the main housing 1, and a filter screen 3031 is connected to an inner wall.

Through control motor 701 operation, make motor 701's output drive flabellum 703 rotate, and then produce the negative pressure in making intake pipe 3, extract the air in the intake pipe 3 outside, realize the sample to the air in the room, the tip of intake pipe 3 sets up air intake hopper 303, can make in gaseous quick entering intake pipe 3, and set up filter screen 3031 in the air intake hopper 303, can intercept dust impurity, when avoiding gaseous on-line analysis to examine, it contains the dust and causes the detection pipeline easily and blocks up.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The gas sampling device comprises a main shell (1) and is characterized in that the outer wall of the main shell (1) is connected with a support plate (2), an air inlet pipe (3) is rotatably connected in the support plate (2) through a bearing, the inner wall of the main shell (1) is connected with a first baffle (101) and a second baffle (102), the outer wall of the first baffle (101) is connected with a fixed sleeve (1011), the air inlet pipe (3) is rotatably connected in the fixed sleeve (1011), a semicircular groove (1012) is cut on the outer wall of one side, adjacent to the fixed sleeve (1011), of the first baffle (101), the outer wall of the air inlet pipe (3) is connected with a stopper (4) matched with the semicircular groove (1012), the outer wall of the air inlet pipe (3) is sleeved with a threaded pipe (5), the threaded pipe (5) is in the main shell (1) in a threaded manner, the outer wall of the threaded pipe (5, the air inlet pipe (3) and the outer wall of the threaded pipe (5) are respectively provided with a first concave hole (301) and a second concave hole (502) which are matched with each other in a chiseled mode.

2. The gas sampling device according to claim 1, characterized in that a fixing ring (302) is connected to the outer wall of the gas inlet pipe (3), a matching positioning hole (6) is drilled on the outer wall of the fixing ring (302) and the outer wall of the supporting plate (2), and an inserted rod (601) is movably connected in the positioning hole (6).

3. The gas sampling device according to claim 2, wherein a fixed rod (7) is connected to the inner wall of the air inlet pipe (3), a motor (701) is connected to the outer wall of the fixed rod (7), the output end of the motor (701) penetrates through the fixed rod (7) and is connected with a rotating disc (702), and fan blades (703) are connected to the outer wall of the rotating disc (702).

4. A gas sampling device according to claim 3, characterized in that the end of the gas inlet pipe (3) far away from the main housing (1) is connected with a gas inlet hopper (303), and the inner wall of the gas inlet hopper (303) is connected with a filter screen (3031).

5. A gas sampling device according to claim 1, characterized in that said second baffle (102) is provided in at least two.

6. A gas sampling device according to claim 1, characterized in that the outer wall of the main housing (1) is connected to a gas outlet (8).