CN218994675U - Laboratory nitrogen gas detection device - Google Patents
Laboratory nitrogen gas detection device Download PDFInfo
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- CN218994675U CN218994675U CN202223582267.5U CN202223582267U CN218994675U CN 218994675 U CN218994675 U CN 218994675U CN 202223582267 U CN202223582267 U CN 202223582267U CN 218994675 U CN218994675 U CN 218994675U
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- fixedly connected
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- magnet
- sliding plug
- laboratory
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 73
- 238000001514 detection method Methods 0.000 title claims abstract description 52
- 229910001873 dinitrogen Inorganic materials 0.000 title claims abstract description 11
- 238000002474 experimental method Methods 0.000 claims abstract description 57
- 239000007789 gas Substances 0.000 claims abstract description 25
- 238000007664 blowing Methods 0.000 claims description 10
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 3
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 3
- 241001330002 Bambuseae Species 0.000 claims description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 3
- 239000011425 bamboo Substances 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 31
- 239000000543 intermediate Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 239000012847 fine chemical Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012450 pharmaceutical intermediate Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 206010042772 syncope Diseases 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a laboratory nitrogen detection device, and belongs to the technical field of medical intermediates. Laboratory nitrogen gas detection device, including the experiment cabinet, still include: the detection box is fixedly connected to the side wall of the experiment cabinet; the gear rod is connected to the detection box in a sliding manner; the gas pipe is fixedly connected to the experiment cabinet and communicated with the experiment cylinder; the valve is connected to the gas pipe; the rotating rod is fixedly connected with the valve; the gear is fixedly connected to the rotating rod and meshed with the gear rod; the gear rod is driven to move through the first sliding plug, the third magnet is driven to move, the first magnet is attracted through the third magnet, the second sliding plug is pushed to move, gas in the air cavity is extruded through the second sliding plug, the whistle is blown, the gear rod is driven to move continuously, the gear is driven to rotate, the valve is driven to be closed, nitrogen is not input continuously, accordingly, workers are convenient to overhaul the leakage position, and experimental safety is improved.
Description
Technical Field
The utility model relates to the field of nitrogen leakage detection of medical intermediates, in particular to a laboratory nitrogen detection device.
Background
In pharmaceutical intermediates or fine chemical laboratories, the reactions involving active species such as magnesium and lithium tend to be involved, and because of the relative reactivity of the reagents, the reactions are carried out in an experiment cabinet under the protection of nitrogen; the feeding is carried out in a nitrogen environment, so that the repeatability of experiments of research and development personnel can be effectively ensured.
However, in the prior art, in the process of experiment, the experiment cabinet is used for conveying nitrogen, the nitrogen leakage possibly caused by ageing or infirm connection of a pipeline, the nitrogen leakage possibly causes the increase of the nitrogen concentration in the cabinet body, the excessively high nitrogen concentration possibly causes the phenomenon that a great amount of nitrogen is inhaled to cause choking and syncope when the cabinet door is opened by an experiment person, but the experiment cabinet in the prior art is not provided with a detection device, and the safety performance is required to be further improved during the experiment.
Disclosure of Invention
The utility model aims to solve the problems that a detection device is not arranged in the existing experiment cabinet, nitrogen leakage cannot be detected rapidly, and the safety performance is low.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
laboratory nitrogen gas detection device, including the experiment cabinet, experiment cabinet interconnect has an experiment section of thick bamboo, be connected with the cabinet door on the experiment cabinet, still include:
the detection box is fixedly connected to the side wall of the experiment cabinet;
the gear rod is connected to the detection box in a sliding manner;
the gas pipe is fixedly connected to the experiment cabinet and is communicated with the experiment barrel;
the valve is connected to the gas pipe;
the rotating rod is fixedly connected with the valve;
the gear is fixedly connected to the rotating rod and meshed with the gear rod;
when the gear rod slides and is meshed with the gear, the gear rod drives the gear to rotate, and the gear rotates to drive the valve to rotate and close, so that the gas pipe is closed.
Preferably, the detection box is fixedly connected with an air inlet pipe, the air inlet pipe is communicated with the experiment cabinet, a first sliding plug is connected in the detection box in a sliding manner, and the first sliding plug is fixedly connected with the gear rod.
Further, a first chute is formed in the experiment cabinet, a first magnet is connected to the first chute in a sliding mode, a push rod is fixedly connected to the first magnet, an air cavity is formed in the experiment cabinet, a second sliding plug is connected to the air cavity in a sliding mode, the second sliding plug is fixedly connected with the push rod, an air whistle is fixedly connected to the experiment cabinet, an air blowing pipe is fixedly connected to the inside of the experiment cabinet, one end of the air blowing pipe is communicated with the air cavity, and the air blowing pipe is connected with the air whistle.
Furthermore, a second sliding groove is formed in the experiment cabinet, a second magnet is fixedly connected to the second sliding groove, a third magnet is fixedly connected to one end, far away from the first sliding plug, of the gear rod, and the third magnet and the second magnet are attracted.
In order to enable the first sliding plug to reset rapidly, further, the first sliding plug is fixedly connected with a first spring, and one end, far away from the first sliding plug, of the first spring is fixedly connected to the inner side wall of the detection box.
In order to enable the second sliding plug to reset rapidly, further, the second sliding plug is fixedly connected with a second spring, and one end, far away from the second sliding plug, of the second spring is fixedly connected to the inner side wall of the air cavity.
The laboratory nitrogen detection control system specifically comprises the following steps:
step one, increasing the nitrogen content, wherein the air pressure in the experiment cabinet is increased;
step two, enabling the gas in the experiment cabinet to enter the detection box, wherein a first sliding plug in the detection box is pushed;
step three, the first sliding plug drives the gear rod to move;
and step four, the gear rod is meshed with the gear, the gear rod drives the gear to rotate, and the gear rotates the valve, so that the gas pipe is closed.
Compared with the prior art, the utility model provides a laboratory nitrogen detection device, which has the following beneficial effects:
the gear rod is driven to move through the first sliding plug, so that the third magnet is driven to move, the first magnet is attracted through the third magnet, so that the second sliding plug is pushed to move, gas in the air cavity is extruded through the second sliding plug, so that the gas is blown out, a whistle is blown out, the gear rod is driven to move continuously, the gear is driven to rotate, the valve is driven to be closed, nitrogen is not continuously input, the nitrogen concentration in the experiment cabinet is not too high, the leakage position is overhauled by a worker conveniently, and the experiment safety is improved.
Drawings
FIG. 1 is a schematic diagram of the front view of a laboratory nitrogen detection device according to the present utility model;
FIG. 2 is a schematic diagram of the internal structure of the laboratory nitrogen detection device according to the present utility model;
FIG. 3 is a schematic diagram showing a rear view of a laboratory nitrogen detection apparatus according to the present utility model;
FIG. 4 is a schematic diagram showing a rear view of a laboratory nitrogen detection apparatus according to the present utility model;
FIG. 5 is an enlarged schematic view of the part A of the laboratory nitrogen detection device according to the present utility model;
FIG. 6 is an enlarged schematic view of the part B of the laboratory nitrogen detection apparatus according to the present utility model;
fig. 7 is a schematic diagram of the internal structure of a detection box in the laboratory nitrogen detection device according to the present utility model.
In the figure: 1. an experiment cabinet; 101. a cabinet door; 102. a whistle; 1021. an air blowing pipe; 103. an experiment barrel; 104. a second chute; 1041. a second magnet; 105. a first chute; 1051. a first magnet; 1052. a push rod; 106. an air cavity; 1061. a second spring; 1062. a second slide plug; 2. a detection box; 201. square holes; 202. a first spring; 203. a first slide plug; 204. a gear lever; 205. a third magnet; 206. an air inlet pipe; 3. a gas pipe; 301. a valve; 302. a rotating rod; 4. a gear.
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.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Examples:
referring to fig. 1-7, laboratory nitrogen gas detection device, including experiment cabinet 1, be connected with experiment section of thick bamboo 103 in the experiment cabinet 1, be connected with cabinet door 101 on the experiment cabinet 1, still include:
the detection box 2 is fixedly connected to the side wall of the experiment cabinet 1;
a gear lever 204 slidably connected to the detection box 2;
the gas pipe 3 is fixedly connected to the experiment cabinet 1, and the gas pipe 3 is communicated with the experiment cylinder 103;
the valve 301 is connected to the gas pipe 3;
the rotating rod 302 is fixedly connected with the valve 301;
when the gear lever 204 slides and is engaged with the gear 4, the gear lever 204 drives the gear 4 to rotate, and the gear 4 rotates to drive the valve 301 to rotate to close, so that the air delivery pipe 3 is closed.
An air inlet pipe 206 is fixedly connected to the detection box 2, the air inlet pipe 206 is communicated with the experiment cabinet 1, a first sliding plug 203 is slidably connected to the detection box 2, and the first sliding plug 203 is fixedly connected with a gear rod 204.
The air inlet pipe 206 is connected with a pressure valve;
the detection box 2 is fixedly connected with a pressure relief pipe, and the pressure relief pipe and the air inlet pipe 206 are connected with one-way valves.
The experiment cabinet 1 is provided with a first chute 105, a first magnet 1051 is slidably connected in the first chute 105, a push rod 1052 is fixedly connected to the first magnet 1051, an air cavity 106 is formed in the experiment cabinet 1, a second sliding plug 1062 is slidably connected in the air cavity 106, the second sliding plug 1062 is fixedly connected with the push rod 1052, an air whistle 102 is fixedly connected to the experiment cabinet 1, an air blowing pipe 1021 is fixedly connected in the experiment cabinet 1, one end of the air blowing pipe 1021 is communicated with the air cavity 106, and the air blowing pipe 1021 is connected with the air whistle 102.
A second chute 104 is formed in the experiment cabinet 1, a second magnet 1041 is fixedly connected to the second chute 104, a third magnet 205 is fixedly connected to one end, away from the first sliding plug 203, of the gear rod 204, and the third magnet 205 and the second magnet 1041 are attracted.
The first sliding plug 203 is fixedly connected with a first spring 202, and one end, far away from the first sliding plug 203, of the first spring 202 is fixedly connected to the inner side wall of the detection box 2.
The first sliding plug 203 can be quickly reset through the first spring 202;
a second spring 1061 is fixedly connected to the second sliding plug 1062, and an end of the second spring 1061 remote from the second sliding plug 1062 is fixedly connected to the inner side wall of the air cavity 106.
By providing the second spring 1061, the second slide plug 1062 can be quickly reset.
The laboratory nitrogen detection control system specifically comprises the following steps:
step one, increasing the nitrogen content, wherein the air pressure in the experiment cabinet 1 is increased;
step two, the gas in the experiment cabinet 1 enters the detection box 2, and the first sliding plug 203 in the detection box 2 is pushed;
step three, the first sliding plug 203 drives the gear rod 204 to move;
step four, the gear rod 204 is meshed with the gear 4, the gear rod 204 drives the gear 4 to rotate, and the gear 4 rotates the valve 301, so that the air delivery pipe 3 is closed.
Referring to fig. 1-7, in the use process, when nitrogen leaks, nitrogen will leak in the experiment cabinet 1, with the leakage of nitrogen, the gas in the experiment cabinet 1 will gradually increase, the gas in the experiment cabinet 1 will increase, when the pressure reaches a certain threshold value, the pressure valve on the air inlet pipe 206 will be opened, the gas in the experiment cabinet 1 will enter the detection box 2 through the air inlet pipe 206, the gas in the detection box 2 will squeeze the first sliding plug 203, the first sliding plug 203 will slide after being squeezed, the sliding of the first sliding plug 203 will drive the gear rod 204 to move, the gear rod 204 will stretch out from the square hole 201 after moving for a certain distance, the gear rod 204 will also drive the third magnet 205 connected with the gear rod to move, after pushing out, the third magnet 205 will attract the first magnet 1051, thereby driving the first magnet 1051 to slide in the first chute 105, the sliding of the first magnet 1052 will drive the push rod 1052 fixedly connected with the first magnet, the push rod 1052 will move, the sliding plug 102 will be pushed by the push rod will push the second magnet 1052 to move, the second air cavity 106 will be blown out, the air will be blown off by the air cavity 106, and the safety will be improved;
after the gear rod 204 is pushed out continuously, the first magnet 1051 slides to the maximum extent, the first magnet 1051 is propped against the side wall of the first chute 105, the gear rod 204 is delayed continuously, the first magnet 1051 is separated from the third magnet 205, the gear rod 204 is meshed with the gear 4 at this time after the separation, the gear rod 204 moves, so that the gear 4 meshed with the gear rod is driven to rotate, the rotation of the gear 4 drives the rotating rod 302 to rotate, the rotating rod 302 drives the valve 301 fixedly connected with the rotating rod to rotate, and the gas pipe 3 is closed by the rotation of the valve 301;
after the gear rod 204 is completely pushed out, the third magnet 205 will attract the second magnet 1041 in the second chute 104, so that the gear 4 will not rotate reversely, and after the maintenance is completed, the third magnet 205 and the second magnet 1041 are manually separated, the gear rod 204 is driven to reset by the first spring 202, so as to drive the valve 301 to open;
the gear rod 204 is driven to move through the first sliding plug 203, the third magnet 205 is driven to move, the first magnet 1051 is attracted through the third magnet 205, the second sliding plug 1062 is pushed to move, the gas in the air cavity 106 is extruded through the second sliding plug 1062, the gas can be blown out, the whistle 102 is blown, the gear rod 204 is driven to move continuously, the gear 4 is driven to rotate, the valve 301 is driven to be closed, nitrogen is not continuously input, the leakage position is overhauled by workers conveniently, and experimental safety is improved.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. Laboratory nitrogen gas detection device, including experiment cabinet (1), experiment cabinet (1) internal connection has experiment section of thick bamboo (103), be connected with cabinet door (101) on experiment cabinet (1), its characterized in that still includes:
the detection box (2) is fixedly connected to the side wall of the experiment cabinet (1);
the gear rod (204) is connected to the detection box (2) in a sliding manner;
the gas pipe (3) is fixedly connected to the experiment cabinet (1), and the gas pipe (3) is communicated with the experiment cylinder (103);
the valve (301) is connected to the gas pipe (3);
the rotating rod (302) is fixedly connected with the valve (301);
the gear (4) is fixedly connected to the rotating rod (302), and the gear (4) is meshed with the gear rod (204);
when the gear rod (204) slides and is meshed with the gear (4), the gear rod (204) drives the gear (4) to rotate, and the gear (4) rotates to drive the valve (301) to rotate and close, so that the air delivery pipe (3) is closed.
2. Laboratory nitrogen gas detection device according to claim 1, characterized in that an air inlet pipe (206) is fixedly connected to the detection box (2), the air inlet pipe (206) is communicated with the laboratory cabinet (1), a first sliding plug (203) is slidably connected to the detection box (2), and the first sliding plug (203) is fixedly connected with the gear rod (204).
3. The laboratory nitrogen gas detection device according to claim 2, wherein a first chute (105) is formed in the laboratory cabinet (1), a first magnet (1051) is connected to the first chute (105) in a sliding manner, a push rod (1052) is fixedly connected to the first magnet (1051), an air cavity (106) is formed in the laboratory cabinet (1), a second sliding plug (1062) is connected to the air cavity (106) in a sliding manner, the second sliding plug (1062) is fixedly connected with the push rod (1052), an air whistle (102) is fixedly connected to the laboratory cabinet (1), an air blowing pipe (1021) is fixedly connected to the laboratory cabinet (1), one end of the air blowing pipe (1021) is communicated with the air cavity (106), and the air blowing pipe (1021) is connected with the air whistle (102).
4. The laboratory nitrogen gas detection device according to claim 3, wherein the laboratory cabinet (1) is provided with a second chute (104), a second magnet (1041) is fixedly connected to the second chute (104), a third magnet (205) is fixedly connected to one end, far away from the first sliding plug (203), of the gear rod (204), and the third magnet (205) and the second magnet (1041) are attracted.
5. Laboratory nitrogen gas detection device according to claim 2, characterized in that the first sliding plug (203) is fixedly connected with a first spring (202), and one end of the first spring (202) far away from the first sliding plug (203) is fixedly connected to the inner side wall of the detection box (2).
6. A laboratory nitrogen gas detection apparatus according to claim 3, wherein a second spring (1061) is fixedly connected to the second sliding plug (1062), and one end of the second spring (1061) away from the second sliding plug (1062) is fixedly connected to the inner side wall of the air cavity (106).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223582267.5U CN218994675U (en) | 2022-12-31 | 2022-12-31 | Laboratory nitrogen gas detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223582267.5U CN218994675U (en) | 2022-12-31 | 2022-12-31 | Laboratory nitrogen gas detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218994675U true CN218994675U (en) | 2023-05-09 |
Family
ID=86215134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223582267.5U Active CN218994675U (en) | 2022-12-31 | 2022-12-31 | Laboratory nitrogen gas detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218994675U (en) |
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- 2022-12-31 CN CN202223582267.5U patent/CN218994675U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231116 Address after: 116400 memorial archway Village, Qingdui Town, Zhuanghe City, Dalian City, Liaoning Province (Room 404, the back building of the town government office building) Patentee after: Hengjin Biotechnology (Dalian) Co.,Ltd. Address before: 116600 No.2, 3rd floor, No.13, area a, Xinghai Square, Shahekou District, Dalian City, Liaoning Province Patentee before: DALIAN SIBO TECHNOLOGY SERVICE Co.,Ltd. |