CN219495815U

CN219495815U - Sampling device for oxygen concentration detection

Info

Publication number: CN219495815U
Application number: CN202223467204.5U
Authority: CN
Inventors: 魏琴; 任家利; 曹旭; 蔡志斌; 黄奕
Original assignee: Wuhan Ganwei Technology Co ltd
Current assignee: Wuhan Ganwei Technology Co ltd
Priority date: 2022-12-23
Filing date: 2022-12-23
Publication date: 2023-08-08
Anticipated expiration: 2032-12-23

Abstract

The utility model relates to a sampling device for oxygen concentration detection, which comprises a gas collection bottle and a push rod, wherein the top and the bottom of the gas collection bottle are respectively communicated with a first connecting pipe and a second connecting pipe, the surfaces of the first connecting pipe and the second connecting pipe are respectively provided with a first sealing cover and a second sealing cover, the inside of the gas collection bottle is in sliding connection with a rubber piston along the vertical direction, the top and the bottom of the rubber piston are respectively provided with a first connecting sleeve and a second connecting sleeve for connecting the push rod, the inner sides of the first sealing cover and the second sealing cover are respectively provided with internal threads, the surfaces of the first connecting pipe and the second connecting pipe are respectively provided with external threads, and the first sealing cover and the second sealing cover are respectively in threaded connection with the surfaces of the first connecting pipe and the second connecting pipe; the utility model can avoid the phenomenon that oxygen in a pipeline is mixed with gas in the gas collecting bottle in the traditional sampling process, improves the quality of a sample, and ensures that the subsequent detection result is more accurate.

Description

Sampling device for oxygen concentration detection

Technical Field

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

Background

Many feeding devices exist in hospitals so as to deliver oxygen to patients in time when the patients need the oxygen, and as the quality of the oxygen is related to the life safety of the patients, the staff needs to detect the oxygen concentration in the oxygen delivery pipeline frequently.

The existing detection mode is that oxygen in a pipeline is sampled, then an oxygen sample is taken out for inspection, air in the bottle cannot be completely discharged by the existing sampling bottle, so that when oxygen is collected, the oxygen is mixed with air in a collected product, the concentration of the oxygen in the pipeline is affected to some extent, and error occurs in detection data.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides a sampling device for detecting the oxygen concentration, which is used for solving the problems set forth in the background art.

The utility model relates to a sampling device for detecting oxygen concentration, which comprises a gas collecting bottle and a push rod, wherein the top and the bottom of the gas collecting bottle are respectively communicated with a first connecting pipe and a second connecting pipe, and the surfaces of the first connecting pipe and the second connecting pipe are respectively provided with a first sealing cover and a second sealing cover; the inside of the gas collection bottle is connected with a rubber piston in a sliding manner along the vertical direction; the top and the bottom of rubber piston are provided with first connecting sleeve and second connecting sleeve respectively for connect the push rod.

As a further improvement of the utility model, the outer wall of the rubber piston is attached to the inner wall of the gas collecting bottle.

As a further improvement of the utility model, two guide rods are arranged between the top and the bottom of the inner wall of the gas collection bottle, and the two guide rods are symmetrically arranged by taking the center of the gas collection bottle as an origin.

As a further improvement of the utility model, through holes are formed in the positions, corresponding to the guide rods, of the rubber piston, and the two guide rods respectively penetrate through the two through holes.

As a further development of the utility model, the diameter of the guide rod is identical to the diameter of the through hole.

As a further improvement of the utility model, the inner sides of the first sealing cover and the second sealing cover are respectively provided with internal threads, the surfaces of the first connecting pipe and the second connecting pipe are respectively provided with external threads, and the first sealing cover and the second sealing cover are respectively connected with the surfaces of the first connecting pipe and the second connecting pipe in a threaded manner.

As a further improvement of the utility model, three clamping rings are arranged on the outer side of the gas collecting bottle at equal intervals along the vertical direction, and the push rod is movably clamped between the three clamping rings.

As a further improvement of the utility model, transparent windows are arranged on the outer side of the gas collection bottle and near the top and the bottom.

As a further improvement of the utility model, the two sides of the bottom of the gas collecting bottle are provided with supporting feet.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, through the arrangement that the first connecting sleeve and the second connecting sleeve are arranged on the rubber piston, the push rod is matched with the arrangement that the first connecting sleeve and the second connecting sleeve can be fixedly spliced, so that a worker can push the rubber piston to move through the push rod, through the two guide rods arranged in the gas collection bottle and the arrangement that the rubber piston is connected with the surface of the guide rod in a sliding manner, the worker can push the rubber piston to the top of the gas collection bottle before collecting oxygen so as to discharge gas in the area between the top of the rubber piston and the first connecting pipe, when the worker leads oxygen in a pipeline into the gas collection bottle from the first connecting pipe, the rubber piston can move downwards, and then air in the gas collection bottle is pushed out from the second connecting pipe, so that the gas collection bottle is filled with oxygen in the pipeline, the phenomenon that oxygen in the pipeline is mixed with the gas in the gas collection bottle in the traditional sampling process is avoided, the quality of a sample is improved, and the subsequent detection result is more accurate.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:

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

FIG. 2 is a schematic diagram of a front cross-sectional structure of a gas collecting bottle in the gas collecting process of the utility model;

FIG. 3 is a schematic diagram of a front cross-sectional structure of a gas collecting bottle in the exhaust process of the utility model;

FIG. 4 is a schematic view of the overall perspective structure of the present utility model;

FIG. 5 is a schematic diagram of a rubber piston in a three-dimensional structure according to the present utility model;

FIG. 6 is a schematic diagram of the connection between the push rod and the snap ring according to the present utility model.

In the figure: 1. a gas collecting bottle; 2. a guide rod; 3. a rubber piston; 301. a first connecting sleeve; 302. a second connecting sleeve; 4. a first connection pipe; 401. a first sealing cover; 5. a second connection pipe; 501. a second sealing cover; 6. supporting feet; 7. a transparent window; 8. a push rod; 9. and a clasp.

Detailed Description

Various embodiments of the present utility model are disclosed in the following drawings, which are presented in sufficient detail to provide a thorough understanding of the present utility model. However, it should be understood that these physical details should not be used to limit the utility model. That is, in some embodiments of the present utility model, these physical details are not necessary. Moreover, for the sake of simplicity of illustration, some well-known and conventional structures and components are shown in the drawings in a simplified schematic manner.

Furthermore, the terms "horizontal," "vertical," "overhang," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present technology, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in the art will be understood in a specific manner by those of ordinary skill in the art.

In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

Referring to fig. 1-6, a sampling device for detecting oxygen concentration of the present utility model includes a gas collecting bottle 1 and a push rod 8, wherein the top and bottom of the gas collecting bottle 1 are respectively connected with a first connecting pipe 4 and a second connecting pipe 5, and the surfaces of the first connecting pipe 4 and the second connecting pipe 5 are respectively provided with a first sealing cover 401 and a second sealing cover 501; the inside of the gas collection bottle 1 is connected with a rubber piston 3 in a sliding way along the vertical direction; the rubber piston 3 is provided with a first connecting sleeve 301 and a second connecting sleeve 302 at the top and bottom, respectively, for connecting the push rod 8.

In this embodiment, the inner sides of the first sealing cap 401 and the second sealing cap 501 are provided with internal threads, the surfaces of the first connecting tube 4 and the second connecting tube 5 are provided with external threads, and the first sealing cap 401 and the second sealing cap 501 are respectively in threaded connection with the surfaces of the first connecting tube 4 and the second connecting tube 5.

Through above-mentioned technical scheme, make things convenient for the staff to seal first connecting pipe 4 and second connecting pipe 5.

Referring to fig. 2 and 3, in this embodiment, in order to ensure that the rubber piston 3 can push out all the gas in the gas collecting bottle 1, the outer wall of the rubber piston 3 is attached to the inner wall of the gas collecting bottle 1, two guide rods 2 are disposed between the top and the bottom of the inner wall of the gas collecting bottle 1, the two guide rods 2 are symmetrically disposed with the center of the gas collecting bottle 1 as the origin, through holes are formed at positions of the rubber piston 3 corresponding to the guide rods 2, and the two guide rods 2 respectively pass through the two through holes.

Through the technical scheme, when the device is used for collecting oxygen, a worker firstly unscrews the first sealing cover 401 and the second sealing cover 501, then inserts the push rod 8 from the bottom of the second connecting pipe 5, so that the top of the push rod 8 is connected with the second connecting sleeve 302, then pushes the push rod 8 upwards until the rubber piston 3 moves to the topmost part of the gas collection bottle 1, the original air in the gas collection bottle 1 is completely discharged from the first connecting pipe 4, then the worker lets in the oxygen in the pipeline into the gas collection bottle 1 from the first connecting pipe 4, at the moment, the rubber piston 3 moves downwards under the action of air pressure, the gas in the gas collection bottle 1 is discharged from the second connecting pipe 5, the oxygen is continuously filled into the gas collection bottle 1 until the rubber piston 3 is contacted with the bottom of the gas collection bottle 1, the gas collection bottle 1 is disconnected with the oxygen pipeline, and then the first sealing cover 401 and the second sealing cover 501 are quickly screwed, and the collection of the oxygen can be completed.

In some other embodiments, the diameter of the guide rod 2 is the same as that of the through hole, so that the occurrence of the air leakage phenomenon can be avoided.

Referring to fig. 1 and 6, in this embodiment, in order to reduce the space occupied by the push rod 8, three clamping rings 9 are equidistantly disposed along the vertical direction on the outer side of the gas collecting bottle 1, and the push rod 8 is movably clamped between the three clamping rings 9, so that a worker can conveniently carry the push rod 8.

Referring to fig. 1, in this embodiment, transparent windows 7 are disposed on the outer side of the gas collecting bottle 1 and near the top and bottom, so that a worker can observe whether the rubber piston 3 moves to a designated position.

In the embodiment, the two sides of the bottom of the gas collection bottle 1 are provided with the supporting feet 6, so that the gas collection bottle 1 can be vertically placed on a tabletop, and gas collection is facilitated.

The foregoing description is only illustrative of the utility model and is not to be construed as limiting the utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, or the like, which is within the spirit and principle of the present utility model, should be included in the scope of the claims of the present utility model.

Claims

1. The utility model provides a sampling device for oxygen concentration detects, includes gas collection bottle (1) and push rod (8), its characterized in that: the top and the bottom of the gas collection bottle (1) are respectively communicated with a first connecting pipe (4) and a second connecting pipe (5), and the surfaces of the first connecting pipe (4) and the second connecting pipe (5) are respectively provided with a first sealing cover (401) and a second sealing cover (501);

the inside of the gas collection bottle (1) is connected with a rubber piston (3) in a sliding manner along the vertical direction;

the top and the bottom of the rubber piston (3) are respectively provided with a first connecting sleeve (301) and a second connecting sleeve (302) for connecting the push rod (8).

2. A sampling device for oxygen concentration detection according to claim 1, wherein: the outer wall of the rubber piston (3) is attached to the inner wall of the gas collecting bottle (1).

3. A sampling device for oxygen concentration detection according to claim 1, wherein: two guide rods (2) are arranged between the top and the bottom of the inner wall of the gas collection bottle (1), and the two guide rods (2) are symmetrically arranged by taking the center of the gas collection bottle (1) as an origin.

4. A sampling device for oxygen concentration detection according to claim 3, wherein: the rubber piston (3) is provided with through holes at positions corresponding to the guide rods (2), and the two guide rods (2) respectively penetrate through the two through holes.

5. The sampling device for oxygen concentration detection of claim 4, wherein: the diameter of the guide rod (2) is the same as that of the through hole.

6. A sampling device for oxygen concentration detection according to claim 1, wherein: the inner sides of the first sealing cover (401) and the second sealing cover (501) are respectively provided with internal threads, the surfaces of the first connecting pipe (4) and the second connecting pipe (5) are respectively provided with external threads, and the first sealing cover (401) and the second sealing cover (501) are respectively in threaded connection with the surfaces of the first connecting pipe (4) and the second connecting pipe (5).

7. A sampling device for oxygen concentration detection according to claim 1, wherein: three clamping rings (9) are arranged on the outer side of the gas collection bottle (1) at equal intervals along the vertical direction, and the push rod (8) is movably clamped between the three clamping rings (9).

8. A sampling device for oxygen concentration detection according to claim 1, wherein: transparent windows (7) are arranged at the positions, which are outside the gas collection bottle (1) and close to the top and the bottom.

9. A sampling device for oxygen concentration detection according to claim 1, wherein: both sides of the bottom of the gas collection bottle (1) are provided with supporting feet (6).