Indoor environment air sampling device for civil construction engineering

Abstract

The utility model discloses an indoor environment air sampling device for civil construction engineering, which relates to the technical field of air sampling devices, and comprises a sampling mechanism, one end of the sampling mechanism is provided with an adjusting mechanism, the adjusting mechanism comprises a placing box, and the upper end of the placing box is rotatably provided with a dial; a rotating shaft is rotatably mounted at the bottom end of the interior of the placement box, a worm gear is fixedly mounted on the outer wall of the rotating shaft, a worm is rotatably mounted in the placement box, a long rod is rotatably mounted on one side of the placement box in a penetrating manner, a rotating handle is fixedly mounted on one side of the long rod, and a plurality of sampling boxes are fixedly mounted at the upper end of a dial; round holes are formed in the outer walls of the plurality of sampling boxes in a penetrating manner. The air sampling device can be used for sampling air in a plurality of different places or in the same place at different times at one time, and a plurality of samples can be collected each time, so that the total sampling time is greatly shortened.

Description

TECHNICAL FIELD

[0001] The utility model relates to air sampling device technical field especially relates to a civil engineering indoor environment air sampling device. BACKGROUND

[0002] In the construction engineering, in order to guarantee the indoor environment air quality of construction engineering to reach certain requirements, can guarantee the safety of construction personnel, so need to sample and detect the indoor environment air of construction engineering, to detect the pollutant content in it, such as formaldehyde, benzene, ammonia, radon and other harmful substances, ensure that indoor air quality meets the relevant standards of the country, guarantee the health of the dweller or user.

[0003] But in the prior art, in order to facilitate carrying, design smaller sampling device, this leads to each sampling can only collect once, when needing to sample the air of multiple different places or the same place different time, each can only collect a sample, then need to prepare the device for the next collection again, this can greatly increase the total sampling time, lead to the whole detection process can not be completed in a short time. UTILITY MODEL CONTENT

[0004] The utility model discloses a civil engineering indoor environment air sampling device, which can collect multiple samples at the same time, and can greatly reduce the total sampling time, so that the whole detection process can be completed in a short time.

[0005] In order to achieve the above object, the utility model adopts the following technical scheme: a civil engineering indoor environment air sampling device, including sampling mechanism, one end of the sampling mechanism is provided with adjusting mechanism, the adjusting mechanism includes the placement box, the upper end of the placement box is rotatably installed with the dial, the inside bottom of the placement box is rotatably installed with the pivot shaft, the outer wall of the pivot shaft is fixedly installed with the worm wheel, the inside of the placement box is rotatably installed with the worm, one side of the placement box is rotatably installed with the long rod, one side of the long rod is fixedly installed with the handle, the upper end of the dial is fixedly installed with a plurality of sampling boxes, a plurality of the outer walls of the sampling boxes are all rotatably installed with the round hole, a plurality of the inside of the round hole inserts with the sealing plug, the upper end of the pivot shaft is fixed with the lower end of the dial.

[0006] Preferably, the sampling mechanism includes an L-shaped plate, a small air pump is fixedly installed on the inner side wall of the L-shaped plate, a special-shaped pipe is fixedly installed at the air outlet end of the small air pump, and a telescopic pipe is slidably installed on the outer wall of the special-shaped pipe.

[0007] Preferably, the worm wheel is engaged with the worm, and the other side of the long rod is fixed with one side of the worm.

[0008] Preferably, the upper end of the plurality of sampling boxes is fixedly installed with a limiting plate.

[0009] Preferably, the air inlet end of the small air pump is fixedly installed with an air inlet pipe, and one end of the L-shaped plate is fixed with one end of the placing box.

[0010] Preferably, the inside bottom end of the L-shaped plate is placed with a storage battery, and the small air pump is electrically connected with the storage battery.

[0011] Preferably, the upper end of the L-shaped plate is fixedly installed with three groups of baffles, and one side of the three groups of baffles is in contact with the outer wall of the storage battery.

[0012] Compared with the prior art, the advantages and positive effects of the utility model lie in that:

[0013] 1、 in the utility model, by setting the adjusting mechanism, another sampling box can be rotated to one side of the telescopic pipe, and air is filled into the inside thereof through the sampling mechanism, so that the adjusting mechanism can be controlled, and the air of different houses can be filled into the inside of the plurality of sampling boxes, so that the air of different places or different times at the same place can be sampled at one time, and a plurality of samples can be collected each time, and the total sampling time is greatly reduced.

[0014] 2、 in the utility model, by setting the sampling mechanism, the telescopic pipe is moved to move on the outer wall of the special-shaped pipe, until one end of the telescopic pipe is inserted into the inside of the sampling box through the circular hole, and then the small air pump is started, the small air pump sucks the air in the room through the air inlet pipe, and enters the inside of the sampling box through the inside of the special-shaped pipe and the telescopic pipe, so that the sampling of the room can be completed, and in addition, the storage battery 16 can provide power for the small air pump 12, so that the small air pump 12 can normally operate. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 A three-dimensional structure schematic view of the indoor environment air sampling device for civil engineering is proposed for the utility model;

[0016] Figure 2 A partial half-section structure schematic view of the indoor environment air sampling device for civil engineering is proposed for the utility model;

[0017] Figure 3 A structure schematic view of the adjusting mechanism in the indoor environment air sampling device for civil engineering is proposed for the utility model;

[0018] Figure 4 A structure schematic view of the sampling mechanism in the indoor environment air sampling device for civil engineering is proposed for the utility model.

[0019] Legend: 1. Sampling mechanism; 11. L-shaped plate; 12. Small air pump; 13. Irregular tube; 14. Telescopic tube; 15. Air inlet pipe; 16. Battery; 17. Baffle; 2. Adjustment mechanism; 21. Placement box; 22. Dial; 23. Shaft; 24. Worm gear; 25. Worm; 26. Long rod; 261. Handle; 27. Sampling box; 28. Limiting plate; 29. ​​Round hole; 210. Sealing plug. Detailed Implementation

[0020] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0021] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0022] Example 1: As Figure 1 - Figure 4 As shown, this utility model provides an indoor ambient air sampling device for civil building engineering, including a sampling mechanism 1. One end of the sampling mechanism 1 is provided with an adjustment mechanism 2. The adjustment mechanism 2 includes a placement box 21. A scale 22 is rotatably mounted on the upper end of the placement box 21. A rotating shaft 23 is rotatably mounted on the bottom inside the placement box 21. A worm gear 24 is fixedly mounted on the outer wall of the rotating shaft 23. A worm 25 is rotatably mounted inside the placement box 21. A through-type rotating device is rotatably mounted on one side of the placement box 21. A long rod 26 has a rotating handle 261 fixedly installed on one side. Multiple sampling boxes 27 are fixedly installed on the upper end of the scale 22. The outer walls of the multiple sampling boxes 27 are all provided with round holes 29. Sealing plugs 210 are inserted into the multiple sets of round holes 29. The upper end of the rotating shaft 23 is fixed to the lower end of the scale 22. The worm gear 24 meshes with the worm 25. The other side of the long rod 26 is fixed to one side of the worm 25. A limit plate 28 is fixedly installed on the upper end of the multiple sampling boxes 27.

[0023] The specific settings and effects of the embodiment are described as follows. By pulling out one of the sealing plugs 210, the sealing plug 210 is moved out of the inside of the corresponding circular hole 29, and the sampling mechanism 1 is controlled to guide the outside air into the inside of the corresponding sampling box 27, so that the sampling of the room is facilitated. The pulled-out sealing plug 210 is inserted back, and the rotating handle 261 is rotated to drive the worm 25 to rotate in the inside of the placing box 21, the worm 25 drives the worm wheel 24 to rotate, the worm wheel 24 drives the rotating shaft 23 to rotate in the inside of the placing box 21, and the rotating shaft 23 drives the dial 22 to rotate at the upper end of the placing box 21. The dial 22 drives the plurality of sampling boxes 27 to rotate, so that another sampling box 27 can be rotated to one side of the telescopic pipe 14, and the sampling mechanism 1 is used to fill the inside of the sampling box 27 with air. The adjusting mechanism 2 is controlled to fill the insides of the plurality of sampling boxes 27 with air of different rooms, so that the air of different places or different times of the same place can be sampled at one time, and a plurality of samples can be collected each time, and the total sampling time is greatly reduced.

[0024] The limiting plate 28 is arranged to reinforce the plurality of sampling boxes 27, and the sealing plug 210 is arranged to block the circular hole 29 to prevent the air in the inside of the sampling box 27 from flowing out.

[0025] Embodiment Two: Figure 1 , Figure 2 and Figure 4 The sampling mechanism 1 comprises an L-shaped plate 11, a small air pump 12 is fixedly installed on the inner side wall of the L-shaped plate 11, a special-shaped pipe 13 is fixedly installed at the air outlet end of the small air pump 12, a telescopic pipe 14 is slidably installed on the outer wall of the special-shaped pipe 13, an air inlet pipe 15 is fixedly installed at the air inlet end of the small air pump 12, one end of the L-shaped plate 11 is fixed to one end of the placing box 21, a storage battery 16 is placed at the bottom end of the inside of the L-shaped plate 11, the small air pump 12 is electrically connected to the storage battery 16, and three sets of baffles 17 are fixedly installed at the upper end of the L-shaped plate 11, and one side of each of the three sets of baffles 17 is in contact with the outer wall of the storage battery 16.

[0026] The whole embodiment achieves the effect that the telescopic pipe 14 is moved on the outer wall of the special-shaped pipe 13 until one end of the telescopic pipe 14 is inserted into the inside of the sampling box 27 through the circular hole 29, and then the small air pump 12 is started to suck the air in the room through the air inlet pipe 15 and guide the air into the inside of the sampling box 27 through the inside of the special-shaped pipe 13 and the telescopic pipe 14, so that the sampling of the room is completed.

[0027] Through setting the battery 16, the small air pump 12 can be provided with power, and the small air pump 12 can be conveniently and normally operated, and the three sets of baffles 17 are arranged to block the battery 16, prevent the battery 16 from falling from the inside of the L-shaped plate 11, and prevent the battery 16 from being damaged.

[0028] The use method and working principle of the device are as follows: first, the device is taken to a room to be sampled, the sealing plug 210 is pulled out, the telescopic pipe 14 is moved, the telescopic pipe 14 is inserted into the inside of the sampling box 27 through the round hole 29, then the small air pump 12 is started, the small air pump 12 sucks the air in the room through the air inlet pipe 15, and the air enters the inside of the sampling box 27 through the special-shaped pipe 13 and the inside of the telescopic pipe 14, the sampling of the room is completed, the pulled-out sealing plug 210 is plugged back, finally, the device is taken to another room, the handle 261 is rotated, the handle 261 drives the worm 25 to rotate through the long rod 26, the worm 25 rotates in the inside of the placing box 21, the worm 25 drives the worm wheel 24 to rotate, the worm wheel 24 drives the rotating shaft 23 to rotate in the inside of the placing box 21, the rotating shaft 23 drives the dial 22 to rotate at the upper end of the placing box 21, the dial 22 drives the plurality of sampling boxes 27 to rotate, another sampling box 27 can be rotated to one side of the telescopic pipe 14, the above steps are repeated, the sampling of the room can be completed, and the above steps are repeated in sequence until the sampling of all rooms is completed.

[0029] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms, and any skilled person in the art can modify or change the above disclosed technical content into equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification made according to the technical essence of the present application to the above embodiments still belong to the protection scope of the present application technical scheme.

Claims

1. A device for sampling air from an indoor environment of a civil engineering construction, characterized in that: The utility model provides a sampling mechanism (1), one end of sampling mechanism (1) is provided with adjusting mechanism (2), adjusting mechanism (2) includes placing box (21), the upper end of placing box (21) is rotatably installed with dial (22), the inside bottom of placing box (21) is rotatably installed with pivot (23), the outer wall of pivot (23) is fixedly installed with worm wheel (24), the inside of placing box (21) is rotatably installed with worm (25), one side of placing box (21) is rotatably installed with long rod (26), one side of long rod (26) is fixedly installed with handle (261), the upper end of dial (22) is fixedly installed with multiple sampling box (27), multiple sampling box (27) are all rotatably installed with round hole (29) on the outer wall, multiple groups of round hole (29) are inserted with sealing plug (210) in the inside, the upper end of pivot (23) is fixed with the lower end of dial (22).

2. The indoor environment air sampling device for civil engineering projects of claim 1, wherein: The sampling mechanism (1) includes an L-shaped plate (11), a small air pump (12) is fixedly installed on the inner side wall of the L-shaped plate (11), a special-shaped pipe (13) is fixedly installed on the air outlet end of the small air pump (12), and a telescopic pipe (14) is slidably installed on the outer wall of the special-shaped pipe (13).

3. The indoor air sampling device for civil engineering construction projects of claim 1, wherein: The worm wheel (24) is engaged with the worm (25), and the other side of the long rod (26) is fixedly connected with one side of the worm (25).

4. The indoor air sampling device for civil engineering construction projects of claim 1, wherein: The upper end of the sampling box (27) is fixedly installed with a limiting plate (28).

5. The indoor air sampling device for residential construction sites of claim 2, wherein: The air inlet end of the small air pump (12) is fixedly installed with an air inlet pipe (15), and one end of the L-shaped plate (11) is fixedly connected with one end of the placing box (21).

6. A device for sampling air from an indoor environment of a civil engineering construction according to claim 5, characterized in that: The bottom of the L-shaped plate (11) is placed with a storage battery (16), and the small air pump (12) is electrically connected with the storage battery (16).

7. A device for sampling air from an indoor environment of a civil engineering construction according to claim 6, characterized in that: The upper end of the L-shaped plate (11) is fixedly installed with three groups of baffles (17), and one side of the three groups of baffles (17) is in contact with the outer wall of the storage battery (16).

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