CN220603070U

CN220603070U - Sampling device for air detection

Info

Publication number: CN220603070U
Application number: CN202322013663.4U
Authority: CN
Inventors: 苗润声; 白巍巍; 彭雨欣
Original assignee: Huashun Hainan Health And Wellness Co ltd
Current assignee: Huashun Hainan Health And Wellness Co ltd
Priority date: 2023-07-27
Filing date: 2023-07-27
Publication date: 2024-03-15
Anticipated expiration: 2033-07-27

Abstract

The utility model relates to a sampling device for air detection, which comprises a base, wherein the top end of the base is respectively provided with a pumping pressure sampling mechanism, a sampling bottle replacing mechanism and a bottle opening sealing mechanism, the pumping pressure sampling mechanism comprises a sampling pump, a sampling tube, an exhaust pipe, an exhaust valve, a gas collecting pipe, a gas collecting valve, a flowmeter and a plurality of groups of sampling bottles, the pumping pressure sampling mechanism is designed, when the sampling device for air detection is used, the sampling tube can be held first and the input end of the sampling tube is positioned at a position to be sampled, the exhaust valve is opened and the gas collecting valve is closed at the moment, then the sampling pump is opened to output the sampling tube for vacuumizing, so that the air at the sampling position is sucked into the sampling tube and the sampling pump under the negative pressure effect of the sampling tube, the original air in the sampling tube can be discharged through the exhaust pipe and the flowmeter, and when the flowmeter monitors that the discharged air in the exhaust pipe has reached the original air quantity in the sampling tube, the exhaust valve can be closed and the gas collecting valve is opened.

Description

Sampling device for air detection

Technical Field

The utility model relates to the technical field of air detection, in particular to a sampling device for air detection.

Background

Air detection refers to the detection of the constituent components of air. When the new house is decorated, the indoor multiple points are required to be air-sampled and then air-detected, so as to ensure that substances harmful to human bodies are contained as little as possible in the room, and further ensure that the new house can be stopped without damaging the human bodies. When the existing air detection sampling device is used, air is pumped through the air pump and pumped into the sampling bottle, then after the sampling of a plurality of groups of sampling bottles is carried out on multiple indoor points, the air detection device is used for detecting the air of the sampling bottles. In addition, the existing sampling device only can sample a group of sampling bottles every time, and the sampling bottles need to be replaced when multi-point sampling is carried out, so that the overall sampling efficiency is affected, and the practicability is poor.

Disclosure of Invention

Aiming at the problems in the prior art, the utility model provides a sampling device for air detection, which aims to solve the technical problems of poor sampling quality and low efficiency in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a sampling device for air detection, includes the base, the base top is provided with pump pressure sampling mechanism, sample bottle respectively and changes mechanism and bottleneck sealing mechanism, pump pressure sampling mechanism includes sample pump, sampling tube, blast pipe, discharge valve, air-collecting tube, air-collecting valve, flowmeter and multiunit sample bottle, and the sample pump is installed on the top left side of base, and the output of sampling tube communicates with the input of sample pump, and the output of sample pump communicates with the input of air-collecting tube, and the input of blast pipe communicates with the input of air-collecting tube, and discharge valve and air-collecting valve are installed respectively on blast pipe and air-collecting tube, and the flowmeter is installed at the output of blast pipe, and multiunit sample bottle is all installed on sample bottle changes mechanism, and the output of air-collecting tube communicates with the output of multiunit sample bottle respectively.

Preferably, the sampling bottle replacement mechanism comprises two groups of bearing seats, a mounting seat, a plurality of groups of baffles and a plurality of groups of magnets, the two groups of bearing seats are respectively arranged on the left side and the right side of the top end of the base, the left end and the right end of the mounting seat are respectively connected with the top bearings at the inner ends of the two groups of bearing seats, a plurality of groups of mounting grooves are uniformly formed in the left end of the mounting seat, a plurality of groups of sampling bottles are respectively connected with the plurality of groups of mounting grooves in a sliding manner, the outer ends of the plurality of groups of mounting grooves are respectively provided with sliding grooves, the plurality of groups of baffles are respectively connected with the plurality of groups of sliding grooves in a sliding manner, the plurality of groups of magnets are respectively arranged at the inner ends of the plurality of sliding grooves, the plurality of groups of magnets are respectively fixed in the plurality of sliding grooves through magnetic force, the outer sides of the right ends of the plurality of groups of baffles are respectively provided with groove handles, and the setting of the sampling bottle replacement mechanism can be more convenient to replace the sampling bottles and communicate with a gas collecting pipe to perform more convenient multi-point air sampling, so that the sampling efficiency of air detection is improved.

In the further preferred, bottleneck sealing mechanism includes flexible electric jar, the ejector pin, multiunit check valve and sealed lid, flexible electric jar installs in the top middle part of base, the ejector pin suit is in the output of receiving tracheal, the output of flexible electric jar is connected with the bottom left end of ejector pin, multiunit check valve is installed respectively at the input of multiunit sample bottle, sealed lid fixed suit is on the outer right side of ejector pin, bottleneck sealing mechanism's setting can be more convenient communicates receiving tracheal and sample bottle to carry out the sample in-process to sealed the sample bottleneck, prevent that sampling gas from entering into the sample bottle with external gas mixture, and can seal the gas after the sample bottle sample, improve air detection's sample quality and efficiency.

In a further preferred embodiment, the right end of the sealing cover is provided with a sealing ring, and the sealing ring can more efficiently improve the tightness between the sealing cover and the sampling bottle.

In a further preferred embodiment, a tube collecting tray is disposed on the left side of the top end of the base, and the tube collecting tray is disposed so as to wind and store the sampling tube more conveniently.

In a further preferred embodiment, four sets of wheels are uniformly arranged at the bottom end of the base, and the base can be moved more conveniently by the four sets of wheels.

In a further preferred embodiment, the handles are disposed on the front and rear sides of the top end of the base, and the two sets of handles are disposed so as to control the base more conveniently when the base is moved.

Compared with the prior art, the utility model provides a sampling device for air detection, which has the following beneficial effects:

the sampling mechanism design of the pump pressure can be used for holding the sampling pipe and enabling the input end of the sampling pipe to be at a position to be sampled when the sampling device for air detection is used, at the moment, the exhaust valve is opened and the air collecting valve is closed, and then the sampling pump is opened to output the air to the sampling pipe for vacuumizing, so that the air at the sampling position is sucked into the sampling pipe and the sampling pump under the negative pressure effect of the sampling pipe, the original air in the sampling pipe is discharged through the exhaust pipe and the flowmeter because the exhaust valve is opened, the exhaust valve can be closed and the air collecting valve is opened when the flowmeter monitors that the exhaust gas in the exhaust pipe reaches the original gas quantity in the sampling pipe, and the air at the position to be detected, which is extracted through the sampling pump and the sampling pipe, enters the sampling bottle communicated with the air collecting pipe through the air collecting pipe, so that the device can sample the air at the position to be detected more accurately, and the air at each sampling position is prevented from being mixed, and the accuracy of air sampling and detection is improved more effectively.

The design of the sampling bottle replacing mechanism can enable a plurality of groups of sampling bottles to be respectively and slidably placed in a plurality of groups of mounting grooves when air detection multi-point sampling is carried out, then a plurality of groups of baffles are respectively and slidably installed in a plurality of groups of sliding grooves to enable a plurality of groups of magnets to conduct magnetic attraction and fixation on the plurality of groups of baffles, so that the plurality of groups of baffles are prevented from falling off in the rotating process of the mounting seat, when air sampling is carried out, the output end of the air collecting pipe is communicated with the uppermost sampling bottle, the output end of the sampling pump can be started to extract air of the point location and press the air into the sampling bottle, when sampling of the next point location is carried out, the air collecting pipe can be directly disconnected with the uppermost sampling bottle, then the mounting seat is rotated to enable the air collecting pipe to be moved to the uppermost side, and the output end of the air collecting pipe is communicated with the air collecting bottle, so that the air collecting pipe is more conveniently replaced through the device, and the sampling efficiency of multi-point location air detection is improved.

The bottle mouth sealing mechanism is designed, when the air collecting pipe and the sampling bottle are communicated, the output end of the telescopic electric cylinder can be operated to drive the ejector rod and the output end of the air collecting pipe to slide to the right side simultaneously, in the sliding process, the right end of the ejector rod is firstly contacted with the one-way valve at the left end of the sampling bottle and the valve core of the ejector rod is propped open until the right end of the sealing cover is close to the left end of the sampling bottle and then stops sliding, the air collecting pipe is communicated with the inside of the sampling bottle, the air collecting channel is sealed by the sealing cover, then the output of the sampling pump can be started to press an air pump at a position to be sampled into the sampling bottle, the telescopic electric cylinder can be operated to retract to an initial position after sampling is finished, gas in the sampling bottle can be sealed under the action of the one-way valve, internal and external circulation is prevented, and the sampling quality of air detection is improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of the overall left-view structure of the present utility model;

FIG. 3 is a schematic view of the overall front cross-sectional structure of the present utility model;

FIG. 4 is a schematic view of a right side cross-sectional structure of a mounting base according to the present utility model;

fig. 5 is a schematic diagram of a right-view structure of the ejector rod in the present utility model.

In the figure: 1. a base; 2. a sampling pump; 3. a sampling tube; 4. an exhaust pipe; 5. an exhaust valve; 6. an air collecting pipe; 7. a gas collecting valve; 8. a flow meter; 9. sampling bottle; 10. a bearing seat; 11. a mounting base; 12. a baffle; 13. a magnet; 14. a groove handle; 15. a mounting groove; 16. a telescopic electric cylinder; 17. a push rod; 18. a one-way valve; 19. sealing cover; 20. a seal ring; 21. a tube collecting disc; 22. a wheel; 23. a handle.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1:

referring to fig. 1-5, a sampling device for air detection comprises a base 1, wherein a pump pressure sampling mechanism, a sampling bottle replacing mechanism and a bottle mouth sealing mechanism are respectively arranged at the top end of the base 1, the pump pressure sampling mechanism comprises a sampling pump 2, a sampling tube 3, an exhaust pipe 4, an exhaust valve 5, an air collecting pipe 6, an air collecting valve 7, a flowmeter 8 and a plurality of groups of sampling bottles 9, the sampling pump 2 is arranged at the left side of the top end of the base 1, the output end of the sampling tube 3 is communicated with the input end of the sampling pump 2, the output end of the sampling pump 2 is communicated with the input end of the air collecting pipe 6, the input end of the exhaust pipe 4 is communicated with the input end of the air collecting pipe 6, the exhaust valve 5 and the air collecting valve 7 are respectively arranged on the exhaust pipe 4 and the air collecting pipe 6, the flowmeter 8 is arranged at the output end of the exhaust pipe 4, the plurality of groups of sampling bottles 9 are respectively arranged on the sampling bottle replacing mechanism, and the output end of the air collecting pipe 6 is respectively communicated with the output ends of the plurality of groups of sampling bottles 9; when the sampling device for air detection is used, the sampling tube 3 can be held by hand and the input end of the sampling tube 3 is positioned at a position to be sampled, at the moment, the exhaust valve 5 is opened and the air collecting valve 7 is closed, then the sampling pump 2 is opened to output the air to be sampled to the sampling tube 3, so that the air at the position to be sampled is sucked into the sampling tube 3 and the sampling pump 2 under the negative pressure effect of the sampling tube 3, the original air in the sampling tube 3 is discharged through the exhaust tube 4 and the flowmeter 8 because the exhaust valve 5 is opened, when the flowmeter 8 monitors that the discharged air in the exhaust tube 4 reaches the original air quantity in the sampling tube 3, the exhaust valve 5 can be closed and the air collecting valve 7 is opened, and at the moment, the air at the position to be detected, which is pumped by the sampling pump 2 and the sampling tube 3, enters the sampling bottle 9 communicated with the air collecting tube 6 through the air collecting tube 6, so that the air at the position to be detected is sampled more accurately, and the air at each position to be sampled is prevented from being mixed, and the air sampling and detecting precision of the air sampling and detecting positions are more effectively improved.

Example 2:

referring to fig. 1-5, when performing multi-point sampling for air detection, a plurality of groups of sampling bottles 9 can be respectively and slidably placed in a plurality of groups of mounting grooves 15, then a plurality of groups of baffles 12 are respectively and slidably installed in a plurality of groups of sliding grooves to enable a plurality of groups of magnets 13 to magnetically attract and fix the plurality of groups of baffles 12, so that the plurality of groups of baffles 12 are prevented from falling off in the rotation process of a mounting seat 11, when performing air sampling, the output end of a gas receiving tube 6 can be communicated with the uppermost sampling bottle 9, at the moment, the output of a sampling pump 2 can be started to extract and press the air of the point into the sampling bottle 9, when performing sampling of the next point, the gas receiving tube 6 can be directly disconnected from the uppermost sampling bottle 9, then the mounting seat 11 is rotated to enable the air receiving tube 6 to move to the uppermost side, and the output end of the gas receiving tube 6 is communicated with the air sampling bottle 9, so that the device can perform more convenient replacement of the sampling bottle 9, and the sampling efficiency of multi-point air detection is improved.

Example 3:

referring to fig. 1-5, on the basis of embodiment 2, when the air collecting pipe 6 is communicated with the sampling bottle 9, the telescopic electric cylinder 16 can be operated to output and drive the ejector rod 17 and the output end of the air collecting pipe 6 to slide to the right side at the same time, during the sliding process, the right end of the ejector rod 17 firstly contacts the one-way valve 18 at the left end of the sampling bottle 9 and pushes the valve core of the one-way valve open until the right end of the sealing cover 19 is close to the left end of the sampling bottle 9, at this time, the air collecting pipe 6 is communicated with the inside of the sampling bottle 9, and the air collecting channel is sealed by the sealing cover 19, then the output of the sampling pump 2 can be started to press the air pump at the position to be sampled into the sampling bottle 9, after sampling is finished, the telescopic electric cylinder 16 can be operated to retract to the initial position, at this time, the air in the sampling bottle 9 can be sealed under the action of the one-way valve 18, internal and external circulation can be prevented, and the sampling quality of air detection can be improved.

In all the above mentioned solutions, in which the connection between two components can be chosen according to the actual situation, a welded, bolt-and-nut-fitted connection, a bolt-or-screw connection or other known connection means, which are not described in detail herein, where reference is made to a written fixed connection, the preferred consideration is welding, although embodiments of the utility model have been shown and described, it will be understood by those skilled in the art that numerous variations, modifications, substitutions and alterations can be made to these embodiments without departing from the principle and spirit of the utility model, the scope of which is defined by the appended claims and their equivalents.

Claims

1. The utility model provides a sampling device for air detection, includes base (1), its characterized in that: the utility model discloses a sampling device, including base (1), sampling tube (3), blast pipe (4), discharge valve (5), receipts trachea (6), receipts pneumatic valve (7), flowmeter (8) and multiunit sampling bottle (9) are provided with pumping pressure sampling mechanism, sampling bottle change mechanism and bottleneck sealing mechanism respectively on top, base (1), sampling tube (2) installs in the top left side of base (1), sampling tube (3)'s output and sampling pump (2)'s input intercommunication, sampling pump (2)'s output and receipts pneumatic pipe (6)'s input intercommunication, blast pipe (4)'s input and receipts pneumatic pipe (6) input intercommunication, blast valve (5) and receipts pneumatic valve (7) are installed respectively on blast pipe (4) and receipts pneumatic pipe (6), flowmeter (8) are installed in blast pipe (4)'s output, multiunit sampling bottle (9) are all installed on sampling bottle change mechanism, receipts pneumatic pipe (6) output respectively with multiunit sampling bottle (9) output intercommunication.

2. The sampling device for air detection of claim 1, wherein: the utility model provides a sample bottle change mechanism includes two sets of bearing frames (10), mount pad (11), multiunit baffle (12) and multiunit magnet (13), the left and right sides on base (1) top right side is installed respectively to two sets of bearing frames (10), both ends are connected with the inner top bearing of two sets of bearing frames (10) respectively about mount pad (11), the left end of mount pad (11) evenly is provided with multiunit mounting groove (15), multiunit sample bottle (9) respectively with multiunit mounting groove (15) sliding connection, multiunit mounting groove (15)'s outer end all is provided with the spout, multiunit baffle (12) respectively with multiunit spout sliding connection, multiunit magnet (13) are installed respectively in multiunit spout's inner, multiunit magnet (13) are fixed multiunit baffle (12) in multiunit spout through magnetic force respectively, multiunit baffle (12) right-hand member outside all is provided with recess handle (14).

3. The sampling device for air detection of claim 1, wherein: the bottle mouth sealing mechanism comprises a telescopic electric cylinder (16), a push rod (17), a plurality of groups of one-way valves (18) and a sealing cover (19), wherein the telescopic electric cylinder (16) is arranged in the middle of the top end of the base (1), the push rod (17) is sleeved at the output end of the air collecting pipe (6), the output end of the telescopic electric cylinder (16) is connected with the left end of the bottom of the push rod (17), the plurality of groups of one-way valves (18) are respectively arranged at the input ends of the plurality of groups of sampling bottles (9), and the sealing cover (19) is fixedly sleeved on the right side of the outer end of the push rod (17).

4. A sampling device for air detection according to claim 3, wherein: the right end of the sealing cover (19) is provided with a sealing ring (20).

5. The sampling device for air detection of claim 1, wherein: a pipe collecting disc (21) is arranged on the left side of the top end of the base (1).

6. The sampling device for air detection of claim 1, wherein: four groups of wheels (22) are uniformly arranged at the bottom end of the base (1).

7. The sampling device for air detection of claim 1, wherein: handles (23) are arranged on the front side and the rear side of the top end of the base (1).