CN212881271U - Novel negative pressure suction filtration type bacteria collecting instrument - Google Patents
Novel negative pressure suction filtration type bacteria collecting instrument Download PDFInfo
- Publication number
- CN212881271U CN212881271U CN202021617296.9U CN202021617296U CN212881271U CN 212881271 U CN212881271 U CN 212881271U CN 202021617296 U CN202021617296 U CN 202021617296U CN 212881271 U CN212881271 U CN 212881271U
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- collection
- waste liquid
- liquid
- negative pressure
- tank
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- 238000000967 suction filtration Methods 0.000 title claims abstract description 25
- 241000894006 Bacteria Species 0.000 title claims description 58
- 239000007788 liquid Substances 0.000 claims abstract description 110
- 239000002699 waste material Substances 0.000 claims abstract description 42
- 241000233866 Fungi Species 0.000 claims abstract description 23
- 238000001914 filtration Methods 0.000 claims abstract description 14
- 239000012528 membrane Substances 0.000 claims abstract description 9
- 238000003828 vacuum filtration Methods 0.000 claims abstract description 9
- 230000001105 regulatory effect Effects 0.000 claims abstract description 4
- 239000004033 plastic Substances 0.000 claims description 11
- 229920003023 plastic Polymers 0.000 claims description 11
- 230000029058 respiratory gaseous exchange Effects 0.000 claims description 10
- 239000003779 heat-resistant material Substances 0.000 claims description 2
- 230000000241 respiratory effect Effects 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 7
- 238000004659 sterilization and disinfection Methods 0.000 description 4
- 239000001963 growth medium Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 244000005700 microbiome Species 0.000 description 3
- 230000002572 peristaltic effect Effects 0.000 description 3
- 230000001954 sterilising effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000000645 desinfectant Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000813 microbial effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003631 expected effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000003958 fumigation Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000009630 liquid culture Methods 0.000 description 1
- 230000002906 microbiologic effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Apparatus Associated With Microorganisms And Enzymes (AREA)
Abstract
The utility model discloses a novel negative pressure suction filtration formula collection fungus appearance, including waste liquid collection tank, collection fungus ware and feeding hose, inside liquid level alarm and the pressure relief device of being equipped with of waste liquid collection tank, waste liquid collection tank top portion is connected with feed liquor pipe and exhaust tube, the waste liquid collection tank is located between vacuum filtration device and the outage, and vacuum filtration device links to each other with foot switch, the internally mounted of outage has pressure regulating device, installs adjust knob on the outage leading flank, and the top of outage is provided with the mounting groove, be provided with respiratory hole and play liquid hole on the collection fungus ware upper and lower both ends respectively, the inside filtration membrane that is provided with of collection fungus ware, the interface is in the same place with going out the liquid hole grafting. This novel negative pressure suction filtration formula collection fungus appearance, the structure sets up rationally, provides the negative pressure through setting up vacuum filtration device, reaches the settlement pressure in the waste liquid collection tank after, vacuum pump stop work, has avoided the incubator that the malleation leads to explode the safety problem who splits.
Description
Technical Field
The utility model relates to a medicine microbiological inspection technical field specifically is a novel negative pressure suction filtration formula collection fungus appearance.
Background
The bacteria collecting instrument is used as the matched bacteria collecting culture instrument, and through the directional peristaltic pressurizing effect of the bacteria collecting instrument, the test sample is filtered to retain bacteria and other microbes on the filtering film and cultured in the filtering film to test whether the test sample contains bacteria.
However, most of the bacteria collectors in the market at present need to place complex bacteria collector equipment in a clean environment of an A-level area, the A-level clean environment is extremely harsh on controlling microorganisms, a series of devices such as peristaltic pumps, sensors and power control are arranged in the complex bacteria collector equipment, the sterilization treatment of the bacteria collectors at present only stays on the surface of disinfectant wiping equipment, or disinfectant fumigation and other methods cannot achieve the expected effect due to the complex and special internal structure, and the conventional sterilization mode can corrode electronic devices in the traditional bacteria collectors; the method is characterized in that a matched closed bacteria collection incubator is adopted by a bacteria collection instrument in the current market, pressure is increased into the closed bacteria collection incubator through a peristaltic pressurizing device, a test sample is filtered and cultured in a filter, a pressure sensor is configured in a mainstream bacteria collection instrument, and once the problem of difficult filtration caused by overhigh viscosity or large particles of the test sample is encountered, overpressure alarm can occur and the experiment is forced to be terminated; the fungus collecting instrument without the depression sensor is easy to crack when meeting the problems, the content of the culture instrument and plastic fragments are sprayed all around to pollute the experimental environment, serious people can cause laboratory safety accidents to threaten the personal safety of experimental personnel, and the waste liquid collecting tank attached to the traditional fungus collecting instrument often has the condition that waste liquid is collected fully and overflows to endanger the biological safety of a clean laboratory.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel negative pressure suction filtration formula collection fungus appearance to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a novel negative pressure suction filtration type bacteria collector comprises a waste liquid collecting tank, a bacteria collector and a feeding hose, wherein a liquid level alarm and a pressure relief device are assembled inside the waste liquid collecting tank, the top of the waste liquid collecting tank is connected with a liquid inlet pipe and an exhaust pipe, an inlet valve and an outlet valve are respectively installed on the liquid inlet pipe and the exhaust pipe, the waste liquid collecting tank is positioned between a vacuum suction filtration device and a liquid discharge tank, the vacuum suction filtration device is connected with a foot switch, a pressure adjusting device is installed inside the liquid discharge tank, an adjusting knob is installed on the front side surface of the liquid discharge tank, a mounting groove is formed in the top of the liquid discharge tank, a plug-in port is formed in the center of the mounting groove, a breathing hole and a liquid outlet hole are respectively formed in the upper end and the lower end of the bacteria collector, a side wing is installed on the side surface of the bacteria collector, a filtering membrane is arranged inside the bacteria, the liquid outlet hole is positioned in the middle of the bottom plate, the feeding hose is communicated with the bacteria collector, the feeding hose is provided with a hose valve, and the bottom plate is arranged at the joint of the rubber part and the plastic part.
Preferably, the vacuum filtration device is communicated with the waste liquid collecting tank through the exhaust tube, the waste liquid collecting tank is communicated with the liquid discharge tank through the liquid inlet tube, the liquid discharge tank is communicated with the bacteria collector through the plug-in port, and the bacteria collector is communicated with the outside through the breathing hole.
Preferably, the bacteria collector is cylindrical, the side face of the bacteria collector consists of a rubber part and a plastic part, the rubber part is matched with the mounting groove, and the inner side of the middle part of the plastic part is provided with a filtering membrane.
Preferably, the liquid inlet pipe, the air exhaust pipe and the feeding hose are all made of high-heat-resistant materials.
Preferably, the side wings are in a right-angled triangle shape, are symmetrically distributed about the bacteria collector, and when the bacteria collector is placed in the mounting groove, the bottom ends of the side wings are connected with the top surface of the liquid discharge groove.
Preferably, the liquid level alarm and the pressure relief device are arranged oppositely, the liquid level alarm is located on the upper side inside the side wall of the waste liquid collecting tank, and the liquid level alarm is close to the joint of the exhaust pipe and the waste liquid collecting tank.
Compared with the prior art, the beneficial effects of the utility model are that: this novel negative pressure suction filtration formula collection fungus appearance, the structure sets up rationally, provide the negative pressure through setting up vacuum suction filtration device, after reaching the settlement pressure in the waste liquid collection jar, the vacuum pump stop work, and guarantee continuous stable negative pressure, the incubator that the malleation leads to explodes the safety problem of splitting, through setting up foot switch, prevent the easy microbial contamination problem that takes place after the hand touching, and the equipment connection pipe is the disinfection and sterilization of being convenient for of high temperature resistant material, ensure experimental clean regional microorganism safety, through the collection fungus incubator product seamless butt joint of setting up flowing back groove and market mainstream, the suitability is better, need not to develop new supporting consumptive material, the safe operation of assurance collection fungus appearance that can be better, promote the development of pharmaceutical industry.
Drawings
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a front view showing the liquid discharge tank and the bacteria collector;
FIG. 3 is a front view showing the development of the waste liquid collecting tank of the present invention;
fig. 4 is an enlarged schematic view of the structure a of the present invention.
In the figure: 1. a vacuum filtration device; 2. a waste liquid collection tank; 3. a liquid discharge tank; 4. a bacteria collector; 5. a foot switch; 6. a liquid inlet pipe; 7. an inlet valve; 8. an outlet valve; 9. an air exhaust pipe; 10. adjusting a knob; 11. a breathing hole; 12. a feed hose; 13. a hose valve; 14. a side wing; 15. a rubber part; 16. a pressure regulating device; 17. a plastic part; 18. mounting grooves; 19. a base plate; 20. a liquid outlet hole; 21. an interface; 22. a valve; 23. a filtration membrane; 24. a liquid level alarm; 25. a pressure relief device.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a novel negative pressure suction filtration type bacteria collecting instrument comprises a waste liquid collecting tank 2, a bacteria collector 4 and a feeding hose 12, wherein a liquid level alarm 24 and a pressure relief device 25 are assembled inside the waste liquid collecting tank 2, the top of the waste liquid collecting tank 2 is connected with a liquid inlet pipe 6 and an exhaust pipe 9, the liquid inlet pipe 6 and the exhaust pipe 9 are respectively provided with an inlet valve 7 and an outlet valve 8, the liquid level alarm 24 is arranged opposite to the pressure relief device 25, the liquid level alarm 24 is arranged at the upper side inside the side wall of the waste liquid collecting tank 2, the liquid level alarm 24 is close to the joint of the exhaust pipe 9 and the waste liquid collecting tank 2, the waste liquid collecting tank 2 is arranged between a vacuum suction filtration device 1 and a liquid discharge tank 3, the suction filtration device 1 is connected with a foot switch 5, a vacuum pump adopts the foot switch 5 to prevent the microbial pollution problem which is easy to occur after the touch of hands, the vacuum suction filtration, the waste liquid collecting tank 2 is communicated with a liquid discharge tank 3 through a liquid inlet pipe 6, the liquid discharge tank 3 is communicated with a bacteria collector 4 through a plug-in port 21, the bacteria collector 4 is communicated with the outside through a breathing hole 11, negative pressure is provided through a vacuum filtration device 1 placed outside a main test area, the waste liquid collecting tank 2 is pumped to a negative pressure state, when the inside of the waste liquid collecting tank 2 reaches a set pressure, a vacuum pump stops working, and continuous and stable negative pressure is ensured, so that the safety problem of explosion of a culture device caused by positive pressure is avoided, a pressure adjusting device 16 is installed inside the liquid discharge tank 3, an adjusting knob 10 is installed on the front side surface of the liquid discharge tank 3, a mounting groove 18 is arranged at the top of the liquid discharge tank 3, the plug-in port 21 is arranged at the center of the mounting groove 18, the joint of the liquid discharge tank 3 and the bacteria collector 4 is made of rubber, sealing is convenient to fit, the breathing hole 11 and the, the side surface of the bacteria collector 4 is provided with a side wing 14, a filtering membrane 23 is arranged in the bacteria collector 4, the bacteria collector 4 is cylindrical, the side surface of the bacteria collector 4 consists of a rubber part 15 and a plastic part 17, the rubber part 15 is matched with the mounting groove 18, the filtering membrane 23 is arranged on the inner side of the middle part of the plastic part 17, the side wing 14 is in a right-angled triangle shape, the side wing 14 is symmetrically distributed about the bacteria collector 4, when the bacteria collector 4 is placed in the mounting groove 18, the bottom end of the side wing 14 is connected with the top surface of the liquid discharge groove 3, the inserting port 21 is inserted into the liquid outlet hole 20, a valve 22 is arranged below the inserting port 21, the liquid outlet hole 20 is positioned in the middle part of the bottom plate 19, the valve 22 is automatically tightened under the action of pressure to achieve sealing, the feeding hose 12 is communicated with the bacteria collector 4, the feeding hose 12 is provided with a hose valve 13, and the liquid inlet, to ensure the safety of microorganisms in the test clean area, a bottom plate 19 is provided at the junction of the rubber part 15 and the plastic part 17.
The working principle is as follows: when the novel negative pressure suction filtration type bacteria collector is used, a vacuum suction filtration device 1, a waste liquid collecting tank 2 and a liquid discharge tank 3 are connected by an air exhaust pipe 9 and a liquid inlet pipe 6 which are sterilized in advance before use through a feeding hose 12, the vacuum suction filtration device 1 is opened through a foot switch 5 and corresponding pressure parameters are set, then a breathing hole 11 of the bacteria collector 4 is closed, when the bacteria collector 4 reaches a negative pressure state, a detected sample is sucked into the bacteria collector 4 from the feeding hose 12, a hose valve 13 is closed, the breathing hole 11 is opened, liquid in the bacteria collector 4 flows into the liquid discharge tank 3 from a liquid outlet hole 20 through a filtering membrane 23 to achieve the purpose of filtering, an adjusting knob 10 on the liquid discharge tank 3 adjusts the internal pressure through a pressure adjusting device 16 so as to control the filtering speed, waste liquid in the liquid discharge tank 3 passes through, the feeding hose 12 of the bacteria collector 4 is connected into a liquid culture medium, the liquid inlet pipe 6 of the breathing hole 11 is closed and sucked into the waste liquid discharge tank 2, waste liquid collection tank 2 is furnished with liquid level alarm 24, vacuum pump stop work after reaching the settlement liquid level, filter and accomplish the back, make the culture medium pass through feeding hose 12 and get into album fungus ware 4, close hose valve 13, shutoff album fungus ware 4 bottoms goes out liquid hole 20 simultaneously, then will have the collection fungus ware 4 of culture medium to place the incubator and cultivate, if need change waste liquid collection tank 2, close 2 import and export valves of waste liquid collection tank, after spilling inside negative pressure, change empty waste liquid collection tank 2 can, this is exactly this whole process of novel negative pressure suction filtration formula collection fungus appearance work.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a novel negative pressure suction filtration formula collection fungus appearance, includes waste liquid collection tank (2), collection fungus ware (4) and feeding hose (12), its characterized in that: the liquid level alarm (24) and the pressure relief device (25) are assembled in the waste liquid collecting tank (2), the top of the waste liquid collecting tank (2) is connected with a liquid inlet pipe (6) and an air exhaust pipe (9), the liquid inlet pipe (6) and the air exhaust pipe (9) are respectively provided with an inlet valve (7) and an outlet valve (8), the waste liquid collecting tank (2) is positioned between a vacuum filtration device (1) and a liquid discharge tank (3), the vacuum filtration device (1) is connected with a foot switch (5), the inner part of the liquid discharge tank (3) is provided with a pressure regulating device (16), the front side surface of the liquid discharge tank (3) is provided with a regulating knob (10), the top of the liquid discharge tank (3) is provided with a mounting groove (18), the center of the mounting groove (18) is provided with a plug-in port (21), the upper end and the lower end of the bacteria collector (4) are respectively provided with a breathing hole (, install flank (14) on album fungus ware (4) side, collection fungus ware (4) inside is provided with filtration membrane (23), interface (21) and play liquid hole (20) are pegged graft together, and interface (21) below is provided with valve (22), goes out liquid hole (20) and is located bottom plate (19) middle part, feeding hose (12) are linked together with collection fungus ware (4), install hose valve (13) on feeding hose (12), bottom plate (19) set up in rubber portion (15) and plastics portion (17) junction.
2. The novel negative pressure suction filtration type bacteria collection instrument according to claim 1, wherein: vacuum filtration device (1) is linked together through aspiration tube (9) and waste liquid collection tank (2), and waste liquid collection tank (2) are linked together through feed liquor pipe (6) and flowing back groove (3), and flowing back groove (3) are linked together through interface (21) and album fungus ware (4), and collection fungus ware (4) are linked together through breathing hole (11) and external world.
3. The novel negative pressure suction filtration type bacteria collection instrument according to claim 1, wherein: the bacteria collector (4) is cylindrical, the side face of the bacteria collector (4) is composed of a rubber part (15) and a plastic part (17) together, the rubber part (15) is matched with the mounting groove (18), and a filtering membrane (23) is mounted on the inner side of the middle part of the plastic part (17).
4. The novel negative pressure suction filtration type bacteria collection instrument according to claim 1, wherein: the liquid inlet pipe (6), the air exhaust pipe (9) and the feeding hose (12) are all made of high-heat-resistant materials.
5. The novel negative pressure suction filtration type bacteria collection instrument according to claim 1, wherein: the side wings (14) are in a right-angle triangular shape, the side wings (14) are symmetrically distributed relative to the bacteria collector (4), and when the bacteria collector (4) is placed in the mounting groove (18), the bottom ends of the side wings (14) are connected with the top surface of the liquid discharge groove (3).
6. The novel negative pressure suction filtration type bacteria collection instrument according to claim 1, wherein: liquid level alarm (24) and pressure relief device (25) set up relatively, and liquid level alarm (24) are located waste liquid collection tank (2) lateral wall inside upside, and liquid level alarm (24) are close to exhaust tube (9) and waste liquid collection tank (2) junction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021617296.9U CN212881271U (en) | 2020-08-06 | 2020-08-06 | Novel negative pressure suction filtration type bacteria collecting instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021617296.9U CN212881271U (en) | 2020-08-06 | 2020-08-06 | Novel negative pressure suction filtration type bacteria collecting instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212881271U true CN212881271U (en) | 2021-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021617296.9U Expired - Fee Related CN212881271U (en) | 2020-08-06 | 2020-08-06 | Novel negative pressure suction filtration type bacteria collecting instrument |
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| CN (1) | CN212881271U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116655076A (en) * | 2023-07-21 | 2023-08-29 | 青岛滨海建设集团有限公司 | Building foundation construction wastewater treatment device and treatment method |
-
2020
- 2020-08-06 CN CN202021617296.9U patent/CN212881271U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116655076A (en) * | 2023-07-21 | 2023-08-29 | 青岛滨海建设集团有限公司 | Building foundation construction wastewater treatment device and treatment method |
| CN116655076B (en) * | 2023-07-21 | 2023-10-31 | 青岛滨海建设集团有限公司 | Building foundation construction wastewater treatment device and treatment method |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210406 |