CN216410822U

CN216410822U - Sample collecting equipment for indoor environment detection

Info

Publication number: CN216410822U
Application number: CN202122876700.5U
Authority: CN
Inventors: 杨凯; 元丽莎; 李恒; 杜芳芳; 陈静丽; 崔彩红; 杨超; 王勋
Original assignee: Hebei Tiancheng Construction Technology Group Co ltd
Current assignee: Hebei Tiancheng Construction Technology Group Co ltd
Priority date: 2021-11-19
Filing date: 2021-11-19
Publication date: 2022-04-29
Anticipated expiration: 2031-11-19

Abstract

The utility model relates to the field of environment detection equipment, in particular to sample collection equipment for indoor environment detection, which comprises a water tank, wherein the inner top wall of the water tank is fixedly connected with a water pipe, the upper end of the water pipe penetrates through a water outlet tank, the surface of the water pipe is embedded and provided with a water flow one-way valve, the upper end of the water tank is provided with a sampling assembly, the surface of the sampling assembly is communicated with an air pipe, the surface of the air pipe is embedded and provided with an air flow one-way valve, and one side of the sampling assembly is provided with a storage assembly; through setting up the sampling subassembly, can be under the combined action of sampling subassembly, sampling action is being carried out to the region that needs the sampling, the phenomenon that gas appears mixing can appear in the time of for traditional device sampling, reached and can make gas can not appear under the airtight state of liquid and take place with the condition of outside gas mixture to make the gas of sampling can not mix with outside gas, and then ensured sample detection's accuracy.

Description

Sample collecting equipment for indoor environment detection

Technical Field

The utility model relates to the field of environment detection equipment, in particular to sample collection equipment for indoor environment detection.

Background

With the development of economic society, the pursuit of quality of life is more emphasized. In order to enjoy the feeling of family warmth and vision, a large amount of decorative materials are often used in decoration, and the materials release a large amount of polluted gas, and whether the indoor air quality reaches the standard needs to be detected. The existing monitoring method is to randomly sample air in a detection space for detection.

Present indoor sampling device commonly used inhales gas because of the device of sampling in the sampling for later gas inhales the condition that mixed probably appears again and takes place, and then leads to the data that sampling device obtained can not be accurate, and consequently, technical personnel in the field provide a sample collecting equipment for indoor environment detects, with the problem of proposing in solving above-mentioned background art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems, and provides a sample collecting device for indoor environment detection, which solves the problem that the data of a sampling device is inaccurate due to the fact that gas mixing possibly occurs in the use process of the device.

The utility model realizes the purpose through the following technical scheme, and the sample collecting device for detecting the indoor environment comprises a water tank, wherein a water pipe is fixedly connected to the inner top wall of the water tank, the upper end of the water pipe penetrates through the water outlet tank, a water flow one-way valve is embedded and installed on the surface of the water pipe, a sampling assembly is arranged at the upper end of the water tank, an air pipe is communicated with the surface of the sampling assembly, an air flow one-way valve is embedded and installed on the surface of the air pipe, a storage assembly is arranged on one side of the sampling assembly, the sampling assembly comprises a cylinder, the cylinder is fixedly connected to the upper end of the water tank and communicated with the water pipe, a piston is connected to the inner wall of the cylinder in a sliding mode, a pressure rod is fixedly connected to the upper end of the piston, and the upper end of the pressure rod penetrates through the cylinder and extends to the outside of the cylinder.

Preferably, the surface cover of depression bar is equipped with the fixed disk that quantity is two, and the lower extreme fixed disk fixed connection is in the upper end of drum, the upper end the inner edge of fixed disk is connected with the fixed surface of depression bar, the upper end the lower extreme fixedly connected with spring of fixed disk, the lower extreme and the lower extreme of spring the upper end fixed connection of fixed disk.

Preferably, the lower end of the surface of the cylinder is communicated with a connecting pipe, the inner wall of the connecting pipe is fixedly connected with a first disc plate, and the other end of the connecting pipe is rotatably connected with a rotating pipe.

Preferably, one end of the inner wall of the rotating pipe is fixedly connected with a second disc plate, one side of the second disc plate is rotatably connected with one side of the first disc plate, and the other end of the inner wall of the rotating pipe is fixedly connected with a column block.

Preferably, the storage assembly comprises a storage box, one side of the storage box is fixedly connected with a limiting pipe, the limiting pipe is rotatably connected to the inner wall of the rotating pipe, and one end of the limiting pipe penetrates through the storage box and is fixedly connected with a closed one-way valve.

Preferably, the surface of the limiting pipe is sleeved with a sleeve, the inner wall of the sleeve is rotatably connected with the surface of the rotating pipe, the surface of the limiting pipe is provided with a guide groove, and the inner wall of the guide groove is slidably connected with the surface of the column block.

The utility model has the beneficial effects that: through setting up the sampling subassembly, can be under the combined action of sampling subassembly, sampling action is being carried out to the region that needs the sampling, the phenomenon that gas appears mixing can appear in the time of for traditional device sampling, reached and can make gas can not appear under the airtight state of liquid and take place with the condition of outside gas mixture to make the gas of sampling can not mix with outside gas, and then ensured sample detection's accuracy.

Drawings

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

FIG. 2 is a schematic view of the connection between the plunger and the piston according to the present invention;

FIG. 3 is a schematic view of the connection of the rotating tube and the second plate according to the present invention;

FIG. 4 is a schematic view of the connection of the rotating tube and the column block of the present invention.

In the figure: 1. a water tank; 101. a water pipe; 102. a water flow check valve; 2. an air tube; 201. an airflow check valve; 3. a sampling component; 301. a cylinder; 302. a piston; 303. a pressure lever; 304. fixing the disc; 305. a spring; 306. a connecting pipe; 307. rotating the tube; 308. a first dish plate; 309. a second dish plate; 310. a column block; 4. a storage component; 401. a storage box; 402. sealing the one-way valve; 403. a sleeve; 404. a limiting pipe; 405. a guide groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the specific implementation: as shown in fig. 1-4, a sample collecting device for indoor environment detection comprises a water tank 1, a water pipe 101 is fixedly connected to the inner top wall of the water tank 1, the upper end of the water pipe 101 penetrates through the water outlet tank 1, a water flow check valve 102 is embedded in the surface of the water pipe 101, a sampling assembly 3 is arranged at the upper end of the water tank 1, an air pipe 2 is communicated with the surface of the sampling assembly 3, an air flow check valve 201 is embedded in the surface of the air pipe 2, a storage assembly 4 is arranged at one side of the sampling assembly 3, the sampling assembly 3 comprises a cylinder 301, the cylinder 301 is fixedly connected to the upper end of the water tank 1 and communicated with the water pipe 101, a piston 302 is slidably connected to the inner wall of the cylinder 301, a pressure lever 303 is fixedly connected to the upper end of the piston 302, the upper end of the pressure lever 303 penetrates through the cylinder 301 and extends to the outside of the cylinder 301, clean water without impurities is arranged inside the water tank 1, when the sampling assembly 3 is operated, clean water can be sucked into the sampling assembly 3 through the water pipe 101, the cleaning water can not flow back through the water flow one-way valve 102, the surface of the sampling assembly 3 is communicated with the air pipe 2, the quality of the air is smaller than that of the water, the water level can be kept from changing greatly when the sampling assembly 3 runs to the position of the air pipe 2, then the external air is collected into the sampling assembly 3 through the air pipe 2, the overflow of the air flow can be prevented through the air flow one-way valve 201, after the sampling assembly 3 finishes sampling, the collected sample can be input into the storage assembly through running, the lower end of the piston 302 and the inner wall of the cylinder 301 form a sampling cavity, when the piston 302 is driven to move upwards through lifting of the pressure rod 303, negative pressure is formed in the sampling cavity, then the water in the water tank 1 can be sucked into the sampling cavity through the water pipe 101, when the piston 302 moves upwards continuously, the piston moves to the upper end of the air pipe 2, and the density of the air is smaller than that of the liquid, the sampling gas can be sucked in under the condition that the liquid level is kept stable, the sampling gas cannot leak out through the airflow one-way valve 201, the liquid cannot flow back through the water flow one-way valve 102, the sample in the sampling cavity can be kept, and the leakage cannot occur;

as shown in fig. 1, 2 and 3, the surface of the pressing rod 303 is sleeved with two fixing discs 304, the lower fixing disc 304 is fixedly connected to the upper end of the cylinder 301, the inner edge of the upper fixing disc 304 is fixedly connected to the surface of the pressing rod 303, the lower end of the upper fixing disc 304 is fixedly connected to a spring 305, the lower end of the spring 305 is fixedly connected to the upper end of the lower fixing disc 304, the upper end of the disc is fixedly connected to the lower fixing disc 304, the surface of the pressing rod 303 is fixed to the upper fixing disc 304, the spring 305 connected between the two fixing discs 304 can provide the lifting ground force of the pressing rod 303 by the spring 305 in the lifting process of the pressing rod 303, so that the pressing rod 303 drives the piston 302 to move relatively uniformly in the upward moving process, the lower end of the surface of the cylinder 301 is communicated with a connecting pipe 306, the inner wall of the connecting pipe 306 is fixedly connected to a first disc plate 308, and the other end of the connecting pipe 306 is rotatably connected to a rotating pipe 307, when a collected sample needs to be led out, the collected sample can be led out into the rotating pipe 307 through the connecting pipe 306 communicated with the surface of the cylinder 301, the collected sample can be led out through the rotating pipe 307, one end of the inner wall of the rotating pipe 307 is fixedly connected with the second disc 309, one side of the second disc 309 is rotatably connected with one side of the first disc 308, the other end of the inner wall of the rotating pipe 307 is fixedly connected with the column block 310, when the rotating pipe 307 rotates, the second disc 309 fixed on the inner wall of the rotating pipe 307 is overlapped with the first disc 308 on the inner wall of the connecting pipe 306, the rotating pipe 307 can be communicated with the inside of the connecting pipe, when the rotating pipe 307 rotates reversely, the second disc 309 is staggered with the first plate stack, and the two discs can separate the rotating pipe 307 from the connecting pipe 306;

as shown in fig. 2, 3 and 4, the storage assembly 4 includes a storage box 401, one side of the storage box 401 is fixedly connected with a limiting tube 404, the limiting tube 404 is rotatably connected to the inner wall of a rotating tube 307, one end of the limiting tube 404 penetrates through the storage box 401 and is fixedly connected with a closed one-way valve 402, the surface of the limiting tube 404 is rotatably connected with the inner wall of the rotating tube 307, when a collected sample is conveyed into the limiting tube 404 through the rotating tube 307 and the sample can be injected into the storage box through the limiting tube 404, the closed one-way valve 402 at one end of the limiting tube 404 can prevent the collected sample from reflowing, a vacuum bag is arranged in the storage box and is communicated with one side of the one-way valve, a closed gasket is arranged between the limiting tube 404 and a sleeve 403 to prevent the sample from leaking out at an interface, a sleeve 403 is sleeved on the surface of the limiting tube 404, and the inner wall of the sleeve 403 is rotatably connected with the surface of the rotating tube 307, guide way 405 has been seted up on the surface of spacing pipe 404, the inner wall of guide way 405 and the surperficial sliding connection of plunger 310, when spacing pipe 404 got into the inner wall of rotating tube 307, plunger 310 slides along the guide way 405 that spacing pipe 404 surface was seted up, when plunger 310 removed along guide way 405, will drive the one end at connecting pipe 306 with its fixed connection rotating tube 307 and rotate, rotating tube 307 will extend and get into between spacing pipe 404 and the sleeve pipe 403, make the one end and the seal ring contact of rotating tube 307, and then can ensure that the condition that the sample of gathering can not appear leaking easily takes place.

When the utility model is used, when a sample needs to be collected, the pressure rod 303 is pressed downwards to enable the piston 302 to be pressed to the lower part of the inner wall of the round pipe, at the moment, the pressure rod 303 is released to enable the spring 305 to push the upper end fixing disc 304 to move upwards under the action of the spring 305, so that the upper end fixing disc 304 drives the pressure rod 303 to move upwards in the process of moving upwards, the piston 302 is driven to move upwards when the pressure rod 303 moves upwards, when the piston 302 starts to move upwards, the cleaning water in the water tank 1 is sucked into the round pipe 301 through the water pipe 101, the cleaning water moves upwards continuously, at the moment, the piston 302 moves to the upper part of the air pipe 2, because the gas density is smaller than the liquid density, at the moment, the piston 302 can keep a relatively uniform upward moving trend under the action of the spring 305, the liquid level in the round pipe 301 can not change greatly when the piston 302 moves upwards, and further, the air pipe 2 sucks a large amount of gas samples into the round pipe 301, when the piston 302 is not lifted any more, the limiting tube 404 can be inserted into one end of the rotating tube 307, so that the guide groove 405 contacts with the surface of the column block 310, the guide groove 405 can be extended into the rotating tube 307 by continuously applying an inward force, the column block 310 slides along the inner wall of the guide groove 405, the column block 310 can drive the rotating tube 307 to rotate at one end of the connecting tube 306 while sliding along the guide groove 405, and the second disc 309 fixedly connected with the inner wall of the rotating tube 307 is overlapped with the first disc 308 when the rotating tube 307 rotates, so that the connecting tube 306 is communicated with the rotating tube 307, meanwhile, the storage box is tightly connected with the other end of the rotating tube 307, at the moment, the pressing rod 303 is pressed downwards to drive the piston 302 to move downwards, at the moment, the water flow one-way valve 102 and the air flow one-way valve 201 are closed to enable the collected sample in the cylinder 301 to only flow out of the communicating tube 307, because of water flow density is great, can pour into the storage tank with the liquid in the drum 301 when beginning to push down, continue to push down, can pour into the storage tank with gathering gas, when gaseous was poured into this moment, because of liquid density is great, gaseous shifts up and can crowd liquid to the lower extreme, gaseous will be preserved in the storage tank, and most liquid will flow back to in the rotating tube 307 through rotating tube 307 rather than the intercommunication with the intraductal liquid of intercommunication, will accomplish collection work in the storage tank, extract the storage tank and can make spacing pipe 404 drive rotating tube 307 and reset sampling work and accomplish.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an indoor environment detects uses sample acquisition equipment, includes water tank (1), its characterized in that: the water tank is characterized in that a water pipe (101) is fixedly connected to the inner top wall of the water tank (1), the upper end of the water pipe (101) penetrates through the water tank (1), a water flow one-way valve (102) is embedded in the surface of the water pipe (101), a sampling assembly (3) is arranged at the upper end of the water tank (1), an air pipe (2) is communicated with the surface of the sampling assembly (3), an air flow one-way valve (201) is embedded in the surface of the air pipe (2), and a storage assembly (4) is arranged on one side of the sampling assembly (3);

sampling subassembly (3) include drum (301), drum (301) fixed connection in the upper end of water tank (1) and with water pipe (101) intercommunication, the inner wall sliding connection of drum (301) has piston (302), the upper end fixedly connected with depression bar (303) of piston (302), the upper end of depression bar (303) runs through drum (301) and extends to the outside of drum (301).

2. The sample collecting device for indoor environment detection as claimed in claim 1, wherein: the surface cover of depression bar (303) is equipped with fixed disk (304) that quantity is two, lower extreme fixed disk (304) fixed connection in the upper end of drum (301), upper end the inner edge of fixed disk (304) is connected with the fixed surface of depression bar (303), the upper end the lower extreme fixedly connected with spring (305) of fixed disk (304), the lower extreme and the lower extreme of spring (305) the upper end fixed connection of fixed disk (304).

3. The sample collecting device for indoor environment detection as claimed in claim 1, wherein: the lower end of the surface of the cylinder (301) is communicated with a connecting pipe (306), the inner wall of the connecting pipe (306) is fixedly connected with a first disc plate (308), and the other end of the connecting pipe (306) is rotatably connected with a rotating pipe (307).

4. The sample collecting device for indoor environment detection as claimed in claim 3, wherein: one end of the inner wall of the rotating pipe (307) is fixedly connected with a second disc plate (309), one side of the second disc plate (309) is rotatably connected with one side of the first disc plate (308), and the other end of the inner wall of the rotating pipe (307) is fixedly connected with a column block (310).

5. The sample collecting device for indoor environment detection as claimed in claim 1, wherein: the storage assembly (4) comprises a storage box (401), a limiting pipe (404) is fixedly connected to one side of the storage box (401), the limiting pipe (404) is rotatably connected to the inner wall of a rotating pipe (307), and one end of the limiting pipe (404) penetrates through the storage box (401) and is fixedly connected with a closed one-way valve (402).

6. The sample collecting device for indoor environment detection as claimed in claim 5, wherein: the surface cover of spacing pipe (404) is equipped with sleeve pipe (403), the inner wall of sleeve pipe (403) rotates with the surface of rotating tube (307) and is connected, guide way (405) have been seted up on the surface of spacing pipe (404), the inner wall of guide way (405) and the surperficial sliding connection of column block (310).