CN220819787U - Qualitative testing device for medical gas pollutants - Google Patents
Qualitative testing device for medical gas pollutants Download PDFInfo
- Publication number
- CN220819787U CN220819787U CN202322641226.7U CN202322641226U CN220819787U CN 220819787 U CN220819787 U CN 220819787U CN 202322641226 U CN202322641226 U CN 202322641226U CN 220819787 U CN220819787 U CN 220819787U
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- assembly
- flow
- chucks
- filter
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- 239000003344 environmental pollutant Substances 0.000 title claims abstract description 25
- 231100000719 pollutant Toxicity 0.000 title claims abstract description 25
- 238000012360 testing method Methods 0.000 title claims abstract description 21
- 238000001514 detection method Methods 0.000 claims abstract description 12
- 238000001914 filtration Methods 0.000 claims abstract description 6
- 230000001105 regulatory effect Effects 0.000 claims description 12
- 238000004891 communication Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 2
- 238000003466 welding Methods 0.000 abstract description 6
- 230000004907 flux Effects 0.000 abstract description 3
- 239000002893 slag Substances 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 22
- 239000000356 contaminant Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229940075473 medical gases Drugs 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000011321 prophylaxis Methods 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Abstract
The utility model relates to the field of medical gas detection, and discloses a medical gas pollutant qualitative testing device, which comprises a flow control assembly and a filtering assembly, wherein the flow control assembly is used for detecting and adjusting the gas flow input into the flow control assembly; the filter assembly comprises two groups of chucks which are detachably connected and a filter cavity sealed between the two groups of chucks; the filter cavity is provided with an air inlet arranged on one group of chucks and an air outlet arranged on the other group of chucks, and the air inlet of the filter cavity is communicated with the flow control assembly; a filter screen is arranged in the filter cavity; in the medical gas pollutant qualitative testing device, the flow control component can regulate and control the flow and the flow velocity of gas to be tested, so that the excessive speed of pollutants such as welding slag, welding flux and the like is avoided, and the filter screen structure is arranged between the two groups of chucks, so that the pollutants are conveniently filtered and stay on the filter screen; the filter screen can be taken out by disassembling the two groups of chucks, so that the statistics and the detection of the storage quantity of pollutants on the filter screen are facilitated.
Description
Technical Field
The utility model relates to the field of medical gas detection, in particular to a medical gas pollutant qualitative testing device.
Background
Medical gases are single/mixed component gases that are supplied centrally by a medical tubing system for patient treatment, diagnosis, prophylaxis, or actuation of surgical tools.
In order to ensure the quality of medical gas, special pollutant qualitative test is required to be carried out on the medical gas, at present, the existing test mode adopts a white gauze strip target plate for checking, no pollutant on the target plate is qualified in a specified time when the gas passes through the white gauze strip target plate, and practice proves that the method is simple and easy, but when welding slag, welding flux and the like are blown out from a pipeline system, marks are not easy to be left on the white gauze strip, the size of particles cannot be known directly, and the gas consumption patient or equipment is easy to be damaged.
Disclosure of utility model
The utility model aims to overcome the defects of the background technology and provides a medical gas pollutant qualitative testing device.
The embodiment of the utility model is realized by the following technical scheme:
a medical gas contaminant qualitative test device comprising:
A flow control assembly for detecting and adjusting the flow of gas input into the flow control assembly; and
The filter assembly comprises two groups of chucks which are detachably connected and a filter cavity which is sealed between the two groups of chucks; the filter cavity is provided with an air inlet arranged on one group of the chucks and an air outlet arranged on the other group of the chucks, and the air inlet of the filter cavity is communicated with the flow control assembly; the filter chamber is internally provided with a filter screen for filtering gas input through an air inlet of the filter chamber.
Further, the flow control assembly includes a flow regulation assembly and a flow detection assembly in communication with each other.
Further, the flow rate detection assembly is communicated downstream of the flow rate adjustment assembly in the output direction of the gas, and the filter assembly is communicated downstream of the flow rate detection assembly.
Further, the contact surfaces of the two groups of chucks are sealed by a sealing gasket, and the two groups of chucks are fixedly connected by a clamp.
Further, the flow adjusting component and the flow detecting component, and the flow detecting component and the filtering component are connected through hoses with quick connectors installed at two ends.
Further, the filter chamber is characterized in that a nozzle is connected to the air outlet of the filter chamber.
Further, the air inlet of the flow regulating assembly is connected with a plug pulling assembly through a hose so as to be communicated with an air source;
The plug pulling assembly comprises a terminal plug and a quick plug connector connected with the hose through plug connection, and the terminal plug and the quick plug connector are connected through double-end nuts.
Further, the flow regulating assembly comprises a valve with adjustable opening, two groups of handles are arranged on a valve core of the valve, and a group of force application parts are formed by upward bending of the two groups of handles and are used for screwing the valve core;
At least one group of handles is also provided with a notch, the valve body of the valve is provided with a limiting piece positioned on the rotating track of the notch, and when the valve core is screwed to enable the limiting piece to be clamped into the notch, the valve core rotates by 90 degrees.
Further, the two sets of handles are in a rotationally symmetrical state about the axis of the valve core.
The technical scheme of the embodiment of the utility model has at least the following advantages and beneficial effects:
The medical gas pollutant qualitative testing device is provided with the flow control assembly, so that the flow and the flow velocity of gas to be tested can be regulated and controlled, the excessive speed of pollutants such as welding slag, welding flux and the like is avoided, and the filter screen structure is arranged between the two groups of chucks, so that the pollutants can be filtered and stay on the filter screen conveniently; after a period of gas is introduced, the two groups of chucks are disassembled to take out the filter screen, so that the statistics and the detection of the storage amount of pollutants on the filter screen are facilitated.
Drawings
FIG. 1 is a perspective view of a medical gas contaminant qualitative test arrangement of the present utility model;
FIG. 2 is a schematic diagram of a filter assembly of the present utility model;
FIG. 3 is an enlarged view of portion A of FIG. 1;
Icon: 1-flow control assembly, 10-flow detection assembly, 11-flow regulation assembly, 11 a-valve, 110-valve core, 111-handle, 1110-force application part, 1111-notch, 112-valve body, 1120-stopper, 20-filter assembly, 200-chuck, 2000-air inlet, 2001-air outlet, 201-filter cavity, 202-sealing gasket, 203-filter screen, 204-clamp, 21-nozzle, 30-hose, 300-quick connector, 31-plug assembly, 310-quick connector, 311-double-ended nut, 312-terminal plug.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Referring to fig. 1 to 3, the utility model discloses a qualitative testing device for medical gas pollutants, which comprises a flow control assembly 1 and a filter assembly 20, wherein the filter assembly 20 is connected at the downstream of the flow control assembly 1, and medical gas is input into the filter assembly 20 for filtering after the flow of the medical gas is regulated by the flow control assembly 1.
Thus, the flow control assembly 1 is used for detecting and adjusting the flow rate of the gas input into the flow control assembly 1, the flow control assembly 1 is integrated with a flow regulating valve structure, and in some embodiments, a flow sensor or a flow meter structure with a display interface can be integrated in the flow control assembly 1 besides the flow regulating valve structure, so that the adjusted flow information can be measured in real time.
Referring to fig. 1 and 2, the filter assembly 20 includes two groups of chucks 200 detachably connected and a filter cavity 201 sealed between the two groups of chucks 200, wherein a horn-shaped cavity is formed in the chucks 200, and after opposite surfaces of the two groups of chucks 200 are closed by contact, the cavity in the two groups of chucks 200 can form the filter cavity 201.
Referring to fig. 2, the contact surfaces of the two groups of chucks 200 are sealed by a sealing gasket 202, and the two groups of chucks 200 are locked and fixed by a clamp 204, so that the air tightness of the filter cavity 201 is ensured.
Referring to fig. 2, the filter chamber 201 is in communication with an air inlet 2000 and an air outlet 2001, wherein the air inlet 2000 is located on one set of chucks 200 and the air outlet 2001 is located on the other set of chucks 200, wherein the air inlet 2000 of the filter chamber 201 is in communication with the downstream end of the flow control assembly 1, a filter screen 203 is provided in the filter chamber 201, and the filter screen 203 is installed between the two sets of chucks 200 to filter the air inputted through the air inlet 2000 and is discharged along the air outlet 2001.
Referring to fig. 1 and 2, a nozzle 21 is also connected to the air outlet 2001 of the filter chamber 201.
Specifically, in one embodiment, the flow control assembly 1 includes a flow regulating assembly 11 and a flow sensing assembly 10 in communication with each other, the flow regulating assembly 11 including a flow regulating valve structure, the flow sensing assembly 10 including a flow meter or flow sensor; the flow detection assembly 10 is communicated downstream of the flow regulation assembly 11 along the output direction of the gas, and the filter assembly 20 is communicated downstream of the flow detection assembly 10; wherein, the flow adjusting component 11 and the flow detecting component 10, and the flow detecting component 10 and the filtering component 20 are detachably connected through a hose 30 with two ends provided with a quick connector 300.
In addition, referring to fig. 1, a plug assembly 31 is connected to the air inlet of the flow regulating assembly 11 through a hose 30 to communicate with an air source; the plug assembly 31 comprises a quick connector 310, a double-headed screw cap 311 and a terminal plug 312, wherein the terminal plug 312 and the quick connector 310 are connected through the double-headed screw cap 311, and the quick connector 310 is connected with the hose 30; the terminal plug 312 is matched with the air source interface, and according to the air source interface, the terminal plug 312 can be a standard component conforming to various standard systems such as national standards or German standards.
Referring to fig. 3, in one embodiment, the flow regulating assembly 11 includes a valve 11a with an adjustable opening, two sets of handles 111 are mounted on a valve core 110 of the valve 11a, and the two sets of handles 111 are in a rotationally symmetrical state about an axis of the valve core 110; the tail end of each group of handles 111 is bent upwards to form a group of force application parts 1110, and the two groups of force application parts 1110 are screwed by fingers, so that the valve core 110 can be rotated to adjust the opening of the valve 11a and change the ventilation flow; the handle 111 on the valve 11a is compact and easy to operate, and can be adjusted without tools.
Referring to fig. 3, at least one of the handles 111 is further provided with a notch 1111, the valve body 112 of the valve 11a is provided with a limiting member 1120 located on the rotation track of the notch 1111, and when the valve core 110 is screwed to make the limiting member 1120 be clamped into the notch 1111, the maximum rotation amplitude of the valve core 110 is reached, and at this time, the valve core 110 rotates by 90 °.
The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (9)
1. A qualitative test device for medical gaseous pollutants, comprising:
A flow control assembly (1) for detecting and adjusting the flow of gas into the flow control assembly (1); and
A filter assembly (20) comprising two groups of chucks (200) detachably connected and a filter chamber (201) sealed between the two groups of chucks (200); the filter cavity (201) is provided with an air inlet (2000) arranged on one group of chucks (200) and an air outlet (2001) arranged on the other group of chucks (200), and the air inlet (2000) of the filter cavity (201) is communicated with the flow control assembly (1); a filter screen (203) is arranged in the filter cavity (201) and is used for filtering gas input through an air inlet (2000) of the filter cavity (201).
2. The qualitative test arrangement for medical gaseous pollutants according to claim 1, characterized in that the flow control assembly (1) comprises a flow regulating assembly (11) and a flow detecting assembly (10) in communication with each other.
3. The qualitative test arrangement for medical gaseous pollutants according to claim 2, characterized in that the flow detection assembly (10) is connected downstream of the flow regulation assembly (11) in the output direction of the gas, and the filter assembly (20) is connected downstream of the flow detection assembly (10).
4. The qualitative test arrangement for medical gaseous pollutants according to claim 1, characterized in that the contact surfaces of the two groups of chucks (200) are sealed by means of sealing gaskets (202), and the two groups of chucks (200) are fixedly connected by means of clamps (204).
5. A qualitative test arrangement for medical gaseous pollutants according to claim 3, characterized in that the flow regulator assembly (11) and the flow detector assembly (10) and the filter assembly (20) are connected by means of hoses (30) with quick connectors (300) mounted at both ends.
6. The qualitative test arrangement for medical gaseous pollutants according to any of the claims 1 to 5, characterized in that a nozzle (21) is connected to the outlet (2001) of the filter chamber (201).
7. The qualitative test device for medical gas pollutants according to claim 5, characterized in that the gas inlet of the flow regulator assembly (11) is connected with a plug assembly (31) through a hose (30) to communicate with a gas source;
The plug pulling assembly (31) comprises a terminal plug pulling head (312) and a quick connector (310) which is connected with the hose (30) in a plug-in mode, and the terminal plug pulling head (312) and the quick connector (310) are connected through a double-end screw cap (311).
8. The qualitative test device for medical gas pollutants according to claim 2, wherein the flow rate adjusting assembly (11) comprises a valve (11 a) with adjustable opening, two groups of handles (111) are installed on a valve core (110) of the valve (11 a), and a group of force application parts (1110) are formed on the two groups of handles (111) in an upward bending mode and are used for screwing the valve core (110);
At least one group of handles (111) is also provided with a notch (1111), a valve body (112) of the valve (11 a) is provided with a limiting piece (1120) positioned on the rotating track of the notch (1111), and when the valve core (110) is screwed to enable the limiting piece (1120) to be clamped into the notch (1111), the valve core (110) rotates by 90 degrees.
9. The qualitative test arrangement for medical gaseous pollutants according to claim 8, characterized in that the two sets of handles (111) are in a rotationally symmetrical state with respect to the axis of the cartridge (110).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322641226.7U CN220819787U (en) | 2023-09-26 | 2023-09-26 | Qualitative testing device for medical gas pollutants |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322641226.7U CN220819787U (en) | 2023-09-26 | 2023-09-26 | Qualitative testing device for medical gas pollutants |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220819787U true CN220819787U (en) | 2024-04-19 |
Family
ID=90671427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322641226.7U Active CN220819787U (en) | 2023-09-26 | 2023-09-26 | Qualitative testing device for medical gas pollutants |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220819787U (en) |
-
2023
- 2023-09-26 CN CN202322641226.7U patent/CN220819787U/en active Active
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