Air sampling device for indoor environment detection

Abstract

The utility model belongs to the technical field of indoor environment detection, and particularly relates to an air sampling device for indoor environment detection, which comprises a frame, an air sampler body arranged at the top of the frame, a filter box arranged at the input end of the air sampler body, a filter component arranged in the filter box, and a rotating seat arranged in the middle of the top of the filter box. A threaded pipe is arranged at the top end of the rotating seat, an adjusting seat is arranged below the outer surface of the threaded pipe, and a sampling pipe is arranged above the outer surface of the threaded pipe. Through mutual cooperation of the filter box, the mounting frame, the sealing strip, the first filter screen, the second filter screen and the third filter screen, the filtering effect of the device is improved, the problem that dust in air is difficult to effectively filter when the device samples air is solved, and through mutual cooperation of a threaded pipe, an adjusting seat, a sampling pipe and a telescopic rod, the sampling efficiency is improved. The problem that when the device samples air, gas at different heights cannot be sampled according to needs is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to indoor environment detection technical field, concretely is an air sampling device for indoor environment detection. BACKGROUND

[0002] Modern indoor decoration style is more and more rich, and indoor is also more and more serious by formaldehyde, benzene and other harmful material pollution, and indoor air environment condition directly influences people's health, along with the improvement of life quality, people's attention degree to indoor environment also gradually promotes, and the application of indoor environment detection is also more and more extensive, when detecting indoor air, need to use air sampling device to sample and handle indoor air;

[0003] The existing patent number CN218157117U discloses an air sampling device for indoor environment quality detection, comprising an air sampler, a battery compartment is formed on the back of the air sampler, a cover plate is arranged inside the battery compartment, a connecting groove is symmetrically formed on the bottom end of the cover plate, connecting blocks are symmetrically fixed on the inner wall bottom end of the battery compartment, the connecting blocks are connected with the connecting grooves through the connecting shaft, and an arc-shaped groove is formed on the top end of the inner wall of the battery compartment; the connecting shaft, the limiting groove, the limiting block, the groove, the through groove and the operating block are designed, the cover plate can be conveniently and quickly rotated out of the inside of the battery compartment, so that the battery inside the battery compartment can be replaced, and the limiting block can be automatically reset to limit the cover plate by being automatically clamped into the inside of the limiting groove, compared with the prior art, the battery replacement work of the air sampler is greatly facilitated.

[0004] The existing technology has the following problems:

[0005] 1. The existing air sampling device for indoor environment detection has unsatisfactory dust filtering effect in the sampling process, which also leads to difficulty in effectively filtering dust in the air during air sampling, reduces the accuracy of detection, and is not convenient for promotion.

[0006] 2. The existing air sampling device for indoor environment detection can only sample fixed-height gas, which also leads to the inability to sample gas at different heights as needed during air sampling, resulting in inaccurate subsequent detection data and inability to meet the use requirements. UTILITY MODEL CONTENTS

[0007] The utility model provides an air sampling device for indoor environment detection, solves the dust filtering effect in the air in the sampling process existing at present, is not especially ideal, this also leads to the device when sampling the air, it is difficult to effectively filter the dust in the air, and only can carry out sampling operation to the gas of fixed height, this also leads to the device when sampling the air, cannot sample the gas of different height according to the need, causes the data of subsequent detection is not accurate.

[0008] To realize above-mentioned purpose, the utility model provides following technical scheme: an air sampling device for indoor environment detection, including frame, the frame top is provided with air sampling appearance body, the air sampling appearance body input is provided with filter box, the filter box inside is provided with filter assembly, the filter box top middle part is provided with rotary seat, the rotary seat top is provided with threaded tube, the threaded tube outer surface below is provided with adjusting seat, the threaded tube outer surface top is provided with sampling pipe, the sampling pipe outer surface top is provided with limit support, limit support bottom one side is provided with telescopic link.

[0009] As a preferred technical scheme of the utility model, the filter assembly includes a mounting bracket, the mounting bracket is provided with a sealing strip on one side, a first filter screen is provided on the top inside of the mounting bracket, a second filter screen is provided in the middle inside of the mounting bracket, and a third filter screen is provided on the bottom inside of the mounting bracket.

[0010] As a preferred technical scheme of the utility model, the sealing strip is installed on the mounting bracket through adhesive connection, the number of sealing strips is several groups, and the sealing strips are arranged in a rectangular array.

[0011] As a preferred technical scheme of the utility model, the mesh aperture of the first filter screen, the second filter screen and the third filter screen is arranged in order from large to small, and the first filter screen, the second filter screen and the third filter screen are all installed on the mounting bracket through embedded connection.

[0012] As a preferred technical scheme of the utility model, the rotary seat is installed on the filter box through rotary connection, the rotary seat and the threaded tube are integrally arranged, and the adjusting seat is installed on the threaded tube through fixed connection.

[0013] As a preferred technical scheme of the utility model, the sampling pipe is installed on the threaded tube through threaded connection, the size of the sampling pipe is matched with the size of the threaded tube, and the sampling pipe is integrally arranged in an L shape.

[0014] As a preferred technical scheme of the utility model, the telescopic link is composed of several groups of movable sleeve rods, the top end of the telescopic link is fixedly connected with the limit support, and the bottom end of the telescopic link is fixedly connected with the filter box.

[0015] Compared with the prior art, the air sampling device for indoor environment detection has the following beneficial effects:

[0016] 1、The air sampling device for indoor environment detection, by setting the filter box, the mounting frame, the sealing strip, the first filter screen, the second filter screen and the third filter screen, when the sampled air enters the air sampling instrument body from the filter box, the grid aperture of the first filter screen, the second filter screen and the third filter screen is arranged in order from large to small, so as to multiple filter the dust in the air, make the air filtering more sufficient, improve the filtering effect of the device, and when the clogged filter screen needs to be replaced, it can be directly pulled out from the mounting frame for replacement, finally through the sealing strip, the sealing performance of the filter screen installation can be improved, this design avoids the problem that the device is difficult to effectively filter the dust in the air when sampling the air, improves the detection accuracy and is convenient for promotion.

[0017] 2、The air sampling device for indoor environment detection, by setting the threaded pipe, the adjusting seat, the sampling pipe and the telescopic rod, during the sampling process, the adjusting seat can be rotated, so that the threaded pipe rotates, and then the rotation of the threaded pipe drives the sampling pipe to vertically displace upward to a specified height along the telescopic rod, so that the device can sample different height gases, this design avoids the problem that the device cannot sample different height gases according to needs when sampling the air, and meets the use requirement. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a whole structure schematic view of the utility model;

[0019] Figure 2 It is a three-dimensional structure schematic view of the filter assembly of the utility model;

[0020] Figure 3 It is an installation structure schematic view of the sampling pipe of the utility model;

[0021] Figure 4 It is a cross-sectional structure schematic view of the threaded pipe of the utility model.

[0022] In the drawing: 1, frame; 2, air sampling instrument body; 3, filter box; 4, filter assembly; 401, mounting frame; 402, sealing strip; 403, first filter screen; 404, second filter screen; 405, third filter screen; 5, rotating seat; 6, threaded pipe; 7, adjusting seat; 8, sampling pipe; 9, limiting frame; 10, telescopic rod. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present utility model.

[0024] With reference to Figure 1 , Figure 3 and Figure 4 , the present utility model provides an embodiment: an air sampling device for indoor environment detection, including frame 1, frame 1 top is provided with air sampling appearance body 2, air sampling appearance body 2 input is provided with filter box 3, filter box 3 inside is provided with filter assembly 4, filter box 3 top middle is provided with rotating seat 5, rotating seat 5 top is provided with threaded tube 6, threaded tube 6 outer surface lower part is provided with adjusting seat 7, threaded tube 6 outer surface upper part is provided with sampling tube 8, sampling tube 8 outer surface upper part is provided with limit frame 9, limit frame 9 bottom one side is provided with telescopic link 10;Telescopic link 10 is composed of several groups of movable sleeve rods, the top end of telescopic link 10 is fixedly connected with limit frame 9, the bottom end of telescopic link 10 is fixedly connected with filter box 3;

[0025] Specifically: it is convenient to limit sampling tube 8 through telescopic link 10, and the stability of sampling tube 8 vertical displacement is improved.

[0026] With reference to Figure 1 and Figure 2 , filter assembly 4 includes mounting bracket 401, mounting bracket 401 one side is provided with sealing strip 402, mounting bracket 401 inside upper part is provided with first filter screen 403, mounting bracket 401 inside middle is provided with second filter screen 404, mounting bracket 401 inside lower part is provided with third filter screen 405;Sealing strip 402 is installed on mounting bracket 401 by adhesion, the number of sealing strip 402 has several groups, sealing strip 402 is arranged in rectangular array;

[0027] Specifically: it is convenient to improve the sealing performance of filter screen installation through the sealing strip 402.

[0028] With reference to Figure 1 and Figure 2 , the mesh aperture of first filter screen 403, second filter screen 404 and third filter screen 405 is sequentially arranged in order from big to small, and first filter screen 403, second filter screen 404 and third filter screen 405 are all installed on mounting bracket 401 by fitting connection;

[0029] Specifically: the mesh caliber of the first filter screen 403, the second filter screen 404 and the third filter screen 405 is sequentially arranged in descending order, so that the dust in the air is filtered multiple times, the air filtration is more sufficient, and the filtration effect of the device is improved.

[0030] With reference to Figure 1 , Figure 3 and Figure 4 , the rotating seat 5 is installed on the filter box 3 through rotating connection, the rotating seat 5 is integrally arranged with the threaded pipe 6, and the adjusting seat 7 is installed on the threaded pipe 6 through fixed connection; the sampling pipe 8 is installed on the threaded pipe 6 through threaded connection, the size of the sampling pipe 8 is matched with the size of the threaded pipe 6, and the sampling pipe 8 is integrally arranged in an L shape.

[0031] Specifically: the adjusting seat 7 is rotated to drive the sampling pipe 8 to vertically displace upward to a specified height along the telescopic rod 10, so that the device can sample gas at different heights.

[0032] The working principle and use process of the device are as follows: in the sampling process, the threaded pipe 6 on the rotating seat 5 is rotated by rotating the adjusting seat 7, then the sampling pipe 8 is driven to vertically displace upward to a specified height along the telescopic rod 10 on the limiting frame 9 through rotation of the threaded pipe 6, so that the device can sample gas at different heights.

[0033] When the sampled air enters the air sampler body 2 from the filter box 3, the mesh caliber of the first filter screen 403, the second filter screen 404 and the third filter screen 405 in the filter assembly 4 is sequentially arranged in descending order, so that the dust in the air is filtered multiple times, the air filtration is more sufficient, and the filtration effect of the device is improved; when the clogged filter screen needs to be replaced, it can be directly pulled out from the mounting frame 401 for replacement; finally, the sealing strip 402 arranged in the filter assembly 4 can improve the sealing performance of the filter screen installation.

[0034] Finally, it should be noted that: the above only describes preferred embodiments of the device and is not used to limit the device, although the device has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the device shall be included in the protection scope of the device.

Claims

1. An air sampling device for indoor environmental detection, comprising a vehicle frame (1), characterized in that: The top of the frame (1) is provided with an air sampler body (2), the input end of the air sampler body (2) is provided with a filter box (3), the inside of the filter box (3) is provided with a filter assembly (4), the top of the filter box (3) is provided with a rotating seat (5), the top end of the rotating seat (5) is provided with a threaded pipe (6), the outer surface of the threaded pipe (6) is provided below with an adjusting seat (7), the outer surface of the threaded pipe (6) is provided above with a sampling pipe (8), the outer surface of the sampling pipe (8) is provided above with a limiting frame (9), one side of the bottom of the limiting frame (9) is provided with a telescopic rod (10).

2. The air sampling device for indoor environment detection according to claim 1, characterized in that: The filter assembly (4) comprises a mounting frame (401), one side of the mounting frame (401) is provided with a sealing strip (402), the inside of the mounting frame (401) is provided above with a first filter screen (403), the inside of the mounting frame (401) is provided with a second filter screen (404), and the inside of the mounting frame (401) is provided below with a third filter screen (405).

3. The air sampling device for indoor environment detection according to claim 2, characterized in that: The sealing strip (402) is installed on the mounting frame (401) by adhesive connection, the number of the sealing strip (402) is several groups, and the sealing strip (402) is arranged in a rectangular array.

4. The air sampling device for indoor environment detection according to claim 2, characterized in that: The mesh aperture of the first filter screen (403), the second filter screen (404) and the third filter screen (405) is arranged in order from large to small, and the first filter screen (403), the second filter screen (404) and the third filter screen (405) are all installed on the mounting frame (401) by fitting connection.

5. The air sampling device for indoor environment detection according to claim 1, characterized in that: The rotating seat (5) is installed on the filter box (3) by rotating connection, the rotating seat (5) and the threaded pipe (6) are integrally arranged, and the adjusting seat (7) is installed on the threaded pipe (6) by fixed connection.

6. The air sampling device for indoor environment detection according to claim 1, characterized in that: The sampling pipe (8) is installed on the threaded pipe (6) by threaded connection, the size of the sampling pipe (8) is matched with the size of the threaded pipe (6), and the sampling pipe (8) is integrally arranged in an L shape.

7. The air sampling device for indoor environment detection according to claim 1, characterized in that: The telescopic rod (10) is composed of several groups of movable sleeve rods, the top end of the telescopic rod (10) is fixedly connected with the limiting frame (9), and the bottom end of the telescopic rod (10) is fixedly connected with the filter box (3).

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