CN113980788B - Anti-pollution collection accessory - Google Patents
Anti-pollution collection accessory Download PDFInfo
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- CN113980788B CN113980788B CN202111213205.4A CN202111213205A CN113980788B CN 113980788 B CN113980788 B CN 113980788B CN 202111213205 A CN202111213205 A CN 202111213205A CN 113980788 B CN113980788 B CN 113980788B
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- 238000012546 transfer Methods 0.000 claims abstract description 42
- 238000001125 extrusion Methods 0.000 claims abstract description 39
- 230000006835 compression Effects 0.000 claims abstract description 31
- 238000007906 compression Methods 0.000 claims abstract description 31
- 238000002347 injection Methods 0.000 claims abstract description 21
- 239000007924 injection Substances 0.000 claims abstract description 21
- 238000007789 sealing Methods 0.000 claims abstract description 12
- 239000003153 chemical reaction reagent Substances 0.000 claims description 30
- 238000003825 pressing Methods 0.000 claims description 21
- 238000011109 contamination Methods 0.000 claims description 9
- 230000004308 accommodation Effects 0.000 claims description 6
- 244000005700 microbiome Species 0.000 abstract description 5
- 238000013461 design Methods 0.000 abstract description 2
- 230000010354 integration Effects 0.000 abstract description 2
- 238000012545 processing Methods 0.000 abstract description 2
- 230000000750 progressive effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 238000012360 testing method Methods 0.000 description 5
- 239000000243 solution Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 210000002435 tendon Anatomy 0.000 description 2
- 241000237983 Trochidae Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M23/00—Constructional details, e.g. recesses, hinges
- C12M23/02—Form or structure of the vessel
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M27/00—Means for mixing, agitating or circulating fluids in the vessel
- C12M27/18—Flow directing inserts
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M33/00—Means for introduction, transport, positioning, extraction, harvesting, peeling or sampling of biological material in or from the apparatus
- C12M33/02—Means for introduction, transport, positioning, extraction, harvesting, peeling or sampling of biological material in or from the apparatus by impregnation, e.g. using swabs or loops
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M33/00—Means for introduction, transport, positioning, extraction, harvesting, peeling or sampling of biological material in or from the apparatus
- C12M33/12—Means for introduction, transport, positioning, extraction, harvesting, peeling or sampling of biological material in or from the apparatus by pressure
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M37/00—Means for sterilizing, maintaining sterile conditions or avoiding chemical or biological contamination
- C12M37/04—Seals
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Chemical & Material Sciences (AREA)
- Zoology (AREA)
- Biomedical Technology (AREA)
- Sustainable Development (AREA)
- Microbiology (AREA)
- Biotechnology (AREA)
- Biochemistry (AREA)
- General Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Genetics & Genomics (AREA)
- Molecular Biology (AREA)
- Clinical Laboratory Science (AREA)
- Sampling And Sample Adjustment (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
Abstract
The application belongs to the technical field of microorganism culture supporting equipment, and particularly relates to an anti-pollution acquisition accessory. Comprises an acquisition component; the acquisition component comprises: the collecting cup, the pressure-bearing piece, the first compression spring, the extrusion piece and the transferring box; the upper end of the transfer box is opened, and an injection hole is formed in the middle of the transfer box; the extrusion piece comprises a sealing part which can be covered on the upper side of the injection hole and an extrusion part which extends into the injection hole and extends out of the bottom of the transfer box; the pressure-bearing piece is propped against the collecting cup under the action of the first compression spring, and the extrusion piece is pressed against the transfer box under the action of the first compression spring. The anti-pollution collection accessory of this application compact structure, it is small and exquisite, through with collection cup, kit progressive integration design, configuration extrusion piece etc. form steerable structure of unloading simultaneously, can carry out sealed processing in the whole city after sample collection, need not open again when unloading the sample, the sample is in the enclosure space internal rotation, effectively prevents the possibility that receives external environment pollution.
Description
Technical Field
The application belongs to the technical field of microorganism culture supporting equipment, and particularly relates to an anti-pollution acquisition accessory.
Background
In the process of microorganism and medical culture test, the device is required to collect the microorganism to be tested or the test sample, and then the microorganism to be tested or the test sample is transferred to the culture dish and other equipment for culture or analysis, and the operations such as adding and mixing pretreatment reagents before transfer can be involved in the process.
Disclosure of Invention
An object of the application is to provide an anti-pollution collection accessory for collecting and transferring liquid sample, can reduce the sample to expose to the maximum extent, realize closed operation, effectively reduce the external pollution source entering in the operation process.
In order to achieve the above purpose, the following technical scheme is adopted in the application.
An anti-pollution acquisition accessory comprises an acquisition component 1; the acquisition component 1 comprises: the collecting cup 11, the pressure-bearing member 12, the first compression spring 13, the extrusion piece 14 and the transfer box 15;
the upper end of the transfer box 15 is opened, and an injection hole 15a is formed in the middle of the transfer box 15;
the pressing member 14 includes a sealing portion 14a that can be covered on the upper side of the injection hole 15a, and a pressing portion 14b that protrudes into the injection hole 15a and from the bottom of the transfer case 15;
the pressure-bearing member 12 is arranged on the upper side of the extrusion member 14, the first compression spring 13 is arranged between the pressure-bearing member 12 and the extrusion member 14, and the collecting cup 11 is buckled on the upper side of the transfer box 15; the pressure-bearing member 12 is pressed against the collecting cup 11 under the action of the first compression spring 13, and the pressing member 14 is pressed against the transfer box 15 under the action of the first compression spring 13.
In a further improved and preferred embodiment of the aforementioned anti-contamination streaking culture cassette, a cylindrical guide portion 15b is provided on the inner side of the bottom of the transfer cassette 15, and a diversion hole or a diversion trench 15c communicating with the bottom of the transfer cassette is provided on the cylindrical guide portion 15 b;
the cylinder wall of the cylinder-shaped guide part 15b is provided with a plurality of connecting clamping grooves 15d;
the sealing part 14a is annular and can slide up and down along the cylindrical guiding part 15b, and a positioning column 14c is arranged on the upper side of the sealing part 14 a; the first compression spring 13 is sleeved on the positioning column 14c;
the size of the annular extrusion plate 12a is matched with the inner diameter of the cylindrical guide part 15b, and a plurality of protruding parts 12c which can be clamped with the connecting clamping grooves 15d are arranged on the outer wall of the annular extrusion plate 12 a;
the pressure-bearing member 12 includes a ring-shaped extrusion plate 12a with a through hole in the middle, the ring-shaped extrusion plate 12a is sleeved on the positioning column 14c through the through hole and compresses the first compression spring 13, and meanwhile, the protruding portion 12c is clamped into the connection clamping groove 15 d.
Further improvement and preferred embodiment of the aforementioned anti-pollution streaking culture cassette, the upper side of the annular extrusion plate 12a is provided with an extrusion column 12b, and the upper end of the extrusion column 12b is abutted against the lower side of the collection cup 11; the bottom of the cylindrical guide 15b is lower than the bottom of the transfer case 15.
A further improved and preferred embodiment of the aforementioned anti-contamination streaking culture cassette further comprising a storage member 2; the storage section includes: a kit 20, a baffle;
a reagent tank 20a capable of accommodating the transfer box 15 is arranged at the rear side of the reagent box 20, and a connecting part 20b is arranged at the front side of the reagent tank 20 a; the connecting part 20b is of a shell structure, a containing cavity 20c connected to the reagent tank 20a is arranged in the connecting part 20b, and the cavity bottom of the containing cavity 20c is lower than the bottom of the reagent tank 20 a;
the front side of the receiving chamber 20c is provided with an outlet 20d, the shutter is closed to cover the outlet 20d, and a torsion spring is provided between the shutter and the connection portion 20b so as to have a tendency to cover the outlet 20 d.
Further improvements and preferred embodiments of the aforementioned contamination-preventive streaked culture cassette, the squeeze portion 14b being smaller in size than the aperture of the injection hole 15a; a diversion trench 20e which is matched with the injection hole 15a in size is arranged in the middle of the reagent trench 20a, and a diversion trench hole connected to the accommodating cavity 20c is arranged on the trench wall of the reagent trench 20 a;
the outside of the diversion trench 20e is provided with a flow limiting coaming 20f, and the flow limiting coaming 20f surrounds the diversion trench 20e and extends towards the diversion trench to form a diversion channel 20k in a connecting mode.
Further improvements and preferred embodiments of the aforementioned anti-contamination streaking cartridge, the top of the receiving chamber 20c and the top wall of the connecting portion 20b are of unitary construction; the side walls of the receiving chamber 20c are surrounded by vertically disposed tendons.
Further improvements and preferred embodiments of the aforementioned anti-contamination streaking cartridge, the top edge of the reagent vessel 20a is provided with an inner wrap connector 20g; the connector 20g may be snapped onto the upper edge of the transfer case 15 or the collection cup 11.
A further improvement and preferred embodiment of the aforementioned anti-contamination streaking cartridge, the front side of the cartridge 20 being provided with two separate connectors 20b arranged in a V-shape;
the diversion trench 20e is connected to the accommodation cavities in the two independent connection parts 20b through two diversion channels 20 k;
the bottom of the diversion trench 20e is divided into two symmetrical inclined planes, and the lower sides of the two inclined planes are respectively communicated with the bottoms of the two diversion channels 20k, so that samples can be evenly split.
A further development and preferred embodiment of the aforementioned anti-contamination streaking incubator, further comprising a magnetic streaking head 3, movably arranged in the accommodation chamber 20 c;
the magnetic scribing head 3 comprises: the support cylinder 30 and the inoculating needle 31 which is sleeved at the lower end of the support cylinder 30 and can slide up and down; a magnet 32 embedded in the upper end of the support cylinder 30; a second compression spring 33 with both ends abutting against the magnet 32 and the inoculating needle 31.
In a further improved and preferred embodiment of the aforementioned anti-contamination streaking culture cassette, a stepped hole 30a is provided at the lower end opening of the support cylinder 30, and the upper end of the inoculating needle 31 is larger than the hole diameter of the stepped hole 30a so as to be capable of being caught on the step of the limiting stepped hole 30 a; the upper end of the inoculating needle 31 is provided with a pressing groove 31a which can accommodate the lower end of the second compression spring 33, and the lower end of the inoculating needle 31 is provided with an inoculating loop 31b.
The beneficial effects are that:
the anti-pollution collection accessory of this application compact structure, it is small and exquisite, through with collection cup, kit progressive integration design, configuration extrusion piece etc. forms controllable structure of unloading simultaneously, can carry out sealed processing after sample collection whole journey, does not need to open again when unloading the sample, only need press, can realize unloading of sample, unloading in-process, the sample is in the enclosure space internal rotation, effectively prevents the possibility that receives external environment pollution.
Drawings
FIG. 1 is a schematic structural view of a contamination collection assembly;
FIG. 2 is a schematic view of the structure of the collection cup;
FIG. 3 is an assembled schematic view of the collection cup;
FIG. 4 is a schematic structural diagram of the kit;
FIG. 5 is a schematic structural diagram of the kit;
FIG. 6 is a schematic structural view of a magnetic line marking head;
FIG. 7 is a schematic structural view of a kit with double connection parts;
wherein the reference numerals include:
the collecting member 1, the collecting cup 11, the pressure receiving member 12, the annular pressing plate 12a, the pressing column 12b, the protruding portion 12c, the first compression spring 13, the pressing member 14, the sealing portion 14a, the pressing portion 14b, the positioning column 14c, the transfer case 15, the injection hole 15a, the tubular guide portion 15b, the guide groove 15c, the connection card groove 15d, the storage member 2, the reagent case 20, the reagent groove 20a, the connection portion 20b, the accommodation chamber 20c, the outlet 20d, the guide groove 20e, the restriction shroud 20f, the connection buckle 20g, the guide passage 20k, the magnetic scribing head 3, the support cylinder 30, the stepped hole 30a, the inoculating needle 31, the pressing groove 31a, the inoculating loop 31b, the magnet 32, and the second compression spring 33.
Detailed Description
The present application is described in detail below with reference to specific examples.
The anti-pollution collection accessory of this application mainly used provides an easy and simple to handle, can guarantee that operation process sample department is in the enclosure space, does not receive external environment to influence, can accomplish the collection of sample, and the increase of reagent and be convenient for carry out the anti-pollution collection accessory that the butt joint was shifted with the culture dish.
The basic structure is shown in figures 1, 2 and 3, and comprises an acquisition component 1; the acquisition unit 1 includes: the collecting cup 11, the pressure-bearing member 12, the first compression spring 13, the extrusion piece 14 and the transfer box 15;
the upper end of the transfer box 15 is opened, and an injection hole 15a is arranged in the middle of the transfer box 15; the pressing member 14 includes a sealing portion 14a that can be covered on the upper side of the injection hole 15a, and a pressing portion 14b that protrudes into the injection hole 15a and from the bottom of the transfer case 15;
the pressure bearing piece 12 is arranged on the upper side of the pressing piece 14, the first compression spring 13 is arranged between the pressure bearing piece 12 and the pressing piece 14, and the collecting cup 11 is buckled on the upper side of the transfer box 15; the pressure-bearing piece 12 is pressed against the collecting cup 11 under the action of the first compression spring 13, and the pressing piece 14 presses the transfer box 15 under the action of the first compression spring 13.
In the application, a specially designed collecting cup structure is adopted, the collecting cup 11 can be effectively stored and sealed after the sample is collected, when the collecting cup is used, the collecting cup 11 is taken down, the cup mouth of the collecting cup 11 faces upwards and is used for collecting the sample, after the collection is finished, an assembly formed by the pressure-bearing piece 12, the first compression spring 13, the extrusion piece 14 and the transfer box 15 is fastened on the collecting cup 11 to form a sealed space for transferring, and the cleaning of the sample can be effectively ensured in an open collecting environment such as a hospital; when the sample needs to be taken out, the device is turned upside down, so that the sample is transferred into the transfer box 15, the extrusion piece 14 is moved upwards by pressing the collection cup 11, the sample can flow out from the hole in the center of the transfer box, and the operation is convenient and the sealing performance is good.
In order to ensure that the action process is smooth and free from blocking, and the whole structure is compact and stable, a cylindrical guide part 15b is arranged on the inner side of the box bottom of the transfer box 15, and a guide hole or a guide groove 15c communicated with the box bottom is arranged on the cylindrical guide part 15 b; the cylinder wall of the cylinder-shaped guide part 15b is provided with a plurality of connecting clamping grooves 15d; the diversion holes and the diversion trenches can ensure that the sample can smoothly flow out of the injection hole;
the sealing part 14a is annular and can slide up and down along the cylindrical guide part 15b, so that the controllability and smoothness of the movement direction are ensured, and a positioning column 14c is arranged on the upper side of the sealing part 14 a; the first compression spring 13 is sleeved on the positioning column 14c;
the size of the annular extrusion plate 12a is matched with the inner diameter of the cylindrical guide part 15b, and a plurality of protruding parts 12c which can be clamped with the connecting clamping grooves 15d are arranged on the outer wall of the annular extrusion plate 12 a;
the pressure receiving member 12 includes a ring-shaped pressing plate 12a provided with a through hole in the middle, the ring-shaped pressing plate 12a is fitted over the positioning column 14c through the through hole and presses the first compression spring 13, and the protruding portion 12c is caught in the connection catching groove 15 d. The connecting clamping groove and the protruding part can be effectively connected, and the relative position relation of each structure can be effectively fixed and maintained by matching with the compression spring.
In order to ensure that the collecting cup has enough accommodating space and different collecting capacities can be set according to requirements, in the embodiment, the upper side of the annular extrusion plate 12a is provided with an extrusion column 12b, and the upper end of the extrusion column 12b is propped against the lower side of the collecting cup 11; the bottom of the cylindrical guide 15b is lower than the bottom of the transfer cassette 15.
The existence of the extrusion column 12b is convenient for the collection cup 11 with larger depth to smoothly push the pressure bearing piece 12, so that the sample can smoothly flow out.
In order to cooperate the use of gathering part, the sample of being convenient for can be when needs with reagent mixed treatment, guarantees simultaneously that this process is in totally enclosed environment, makes the operation such as transfer and marking off of follow-up sample also can have a confined operational environment simultaneously, guarantees the anti-pollution of full flow, still includes storage part 2 in this application.
As shown in fig. 4 and 5, the storage unit includes: a kit 20, a baffle; the kit can be in butt joint with the acquisition component to form a closed operation space, so that pollution prevention is realized. The rear side of the reagent kit 20 is provided with a reagent tank 20a capable of accommodating the transfer kit 15, and the front side of the reagent tank 20a is provided with a connecting part 20b; the connecting part 20b is of a shell structure, a containing cavity 20c connected to the reagent tank 20a is arranged in the connecting part 20b, and the cavity bottom of the containing cavity 20c is lower than the bottom of the reagent tank 20 a; the front side of the accommodation chamber 20c is provided with an outlet 20d, a shutter closable cover is provided at the outlet 20d, and a torsion spring is provided between the shutter and the connection portion 20b so as to have a tendency to cover the outlet 20 d.
A diversion trench 20e which is matched with the injection hole 15a in size is arranged in the middle of the reagent trench 20a, and a diversion trench connected to the accommodating cavity 20c is arranged on the trench wall of the reagent trench 20 a;
the outside of the diversion trench 20e is provided with a flow limiting coaming 20f, and the flow limiting coaming 20f surrounds the diversion trench 20e and extends towards the diversion hole to be connected to form a diversion channel 20k.
As can be readily appreciated, the size of the pressing portion 14b is smaller than the aperture of the injection hole 15a so that it can protrude; the lower end of the pressing portion 14b abuts against the bottom of the diversion trench 20e after installation. When the collection cup 11 is pressed, the injection hole 15a can be opened, and the sample can flow from the collection member to the reagent cartridge.
As a preferred solution, in this embodiment, the top of the accommodating cavity 20c and the top shell wall of the connecting portion 20b are of an integral structure; the side walls of the receiving chamber 20c are surrounded by vertically disposed tendons. The top edge of the reagent tank 20a is provided with an inner-rolled connecting buckle 20g; the connector 20g may be snapped onto the upper edge of the transfer case 15 or the collection cup 11.
In particular, in order to expand the detection scheme and realize one-to-two test, a sample is used for multiple tests, and an improvement scheme is provided, specifically, as shown in fig. 7, two independent connecting parts 20b which are arranged in a V shape are arranged on the front side of the kit 20; the diversion trench 20e is connected to the accommodation cavities in the two independent connection parts 20b through two diversion channels 20 k; the bottom of the diversion trench 20e is divided into two symmetrical inclined planes, and the lower sides of the two inclined planes are respectively communicated with the bottoms of the two diversion channels 20k, so that samples can be evenly split.
Further, in order to facilitate the transfer of the sample, the magnetic attraction device is utilized to realize non-contact transfer and scribing, and the magnetic scribing head 3 is movably arranged in the accommodating cavity 20 c;
the magnetic scribing head 3 includes: the support cylinder 30 and the inoculating needle 31 which is sleeved at the lower end of the support cylinder 30 and can slide up and down; a magnet 32 embedded in the upper end of the support cylinder 30; a second compression spring 33 with both ends abutting against the magnet 32 and the inoculating needle 31.
The lower end opening of the supporting cylinder 30 is provided with a step hole 30a, and the upper end of the inoculating needle 31 is larger than the aperture of the step hole 30a so as to be clamped on the step of the limit step hole 30 a; the upper end of the inoculating needle 31 is provided with a pressing groove 31a which can accommodate the lower end of the second compression spring 33, and the lower end of the inoculating needle 31 is provided with an inoculating loop 31b.
Finally, it should be noted that the above embodiments are merely for illustrating the technical solutions of the present application, and not for limiting the scope of protection of the present application, and it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the technical solutions of the present application without departing from the spirit and scope of the technical solutions of the present application.
Claims (4)
1. An anti-pollution acquisition accessory is characterized by comprising an acquisition component (1); the acquisition component (1) comprises: the collecting cup (11), the pressure-bearing piece (12), the first compression spring (13), the extrusion piece (14) and the transferring box (15);
the upper end of the transfer box (15) is opened, and an injection hole (15 a) is formed in the middle of the transfer box (15);
the extrusion part (14) comprises a sealing part (14 a) which can be covered on the upper side of the injection hole (15 a) and an extrusion part (14 b) which extends into the injection hole (15 a) and extends out of the bottom of the transfer box (15);
the pressure-bearing member (12) is arranged on the upper side of the extrusion member (14), the first compression spring (13) is arranged between the pressure-bearing member (12) and the extrusion member (14), and the collecting cup (11) is buckled on the upper side of the transfer box (15);
the pressure-bearing piece (12) is propped against the collecting cup (11) under the action of the first compression spring (13), and the extrusion piece (14) is pressed against the transfer box (15) under the action of the first compression spring (13);
a cylindrical guide part (15 b) is arranged at the inner side of the box bottom of the transfer box (15), and a diversion hole or a diversion trench (15 c) communicated with the box bottom is arranged on the cylindrical guide part (15 b); the cylinder wall of the cylinder-shaped guide part (15 b) is provided with a plurality of connecting clamping grooves (15 d);
the sealing part (14 a) is annular and can slide up and down along the cylindrical guide part (15 b), and a positioning column (14 c) is arranged on the upper side of the sealing part (14 a); the first compression spring (13) is sleeved on the positioning column (14 c);
the size of the annular extrusion plate (12 a) is matched with the inner diameter of the cylindrical guide part (15 b), and a plurality of protruding parts (12 c) which can be clamped with the connecting clamping grooves (15 d) are arranged on the outer wall of the annular extrusion plate (12 a);
the pressure-bearing piece (12) comprises a ring-shaped extrusion plate (12 a) with a through hole in the middle, the ring-shaped extrusion plate (12 a) is sleeved on the positioning column (14 c) through the through hole and compresses the first compression spring (13), and meanwhile, the protruding part (12 c) is clamped into the connecting clamping groove (15 d);
also comprises a storage component (2); the storage section includes: a reagent box (20) and a baffle plate;
the rear side of the kit (20) is provided with a reagent groove (20 a) capable of accommodating the transfer box (15), and the front side of the reagent groove (20 a) is provided with a connecting part (20 b);
the connecting part (20 b) is of a shell structure, a containing cavity (20 c) connected to the reagent tank (20 a) is arranged in the connecting part (20 b), and the cavity bottom of the containing cavity (20 c) is lower than the bottom of the reagent tank (20 a);
an outlet (20 d) is formed in the front side of the accommodating cavity (20 c), the baffle is covered on the outlet (20 d) in a closable manner, and a torsion spring is arranged between the baffle and the connecting part (20 b) so as to cover the outlet (20 d);
the size of the pressing part (14 b) is smaller than the aperture of the injection hole (15 a);
the middle of the reagent groove (20 a) is provided with a diversion groove (20 e) which is matched with the injection hole (15 a) in size, and the groove wall of the reagent groove (20 a) is provided with a diversion hole connected to the accommodating cavity (20 c);
the outside of the diversion trench (20 e) is provided with a flow-limiting coaming (20 f), and the flow-limiting coaming (20 f) surrounds the diversion trench (20 e) and extends towards the diversion trench to form a diversion channel (20 k) through connection;
the front side of the kit (20) is provided with two independent connecting parts (20 b) which are arranged in a V shape;
the diversion trench (20 e) is connected to the accommodation cavities in the two independent connection parts (20 b) through two diversion channels (20 k);
the bottom of the diversion trench (20 e) is divided into two symmetrical inclined planes, and one side of the lower of the two inclined planes is respectively communicated with the bottoms of the two diversion channels (20 k) so that samples can be evenly split;
the magnetic scribing head (3) is movably arranged in the accommodating cavity (20 c);
the magnetic scribing head (3) comprises: the inoculating needle (31) is sleeved at the lower end of the supporting cylinder (30) and can slide up and down; a magnet (32) embedded at the upper end of the support cylinder (30); a second compression spring (33) with two ends abutting against the magnet (32) and the inoculating needle (31);
the lower end opening of the supporting cylinder (30) is provided with a step hole (30 a), and the upper end of the inoculating needle (31) is larger than the aperture of the step hole (30 a) so as to be clamped on the step of the limit step hole (30 a); the upper end of the inoculating needle (31) is provided with an extrusion groove (31 a) which can accommodate the lower end of the second compression spring (33), and the lower end of the inoculating needle (31) is provided with an inoculating loop (31 b).
2. The anti-pollution acquisition accessory according to claim 1, characterized in that an extrusion column (12 b) is arranged on the upper side of the annular extrusion plate (12 a), and the upper end of the extrusion column (12 b) is propped against the lower side of the acquisition cup (11); the bottom of the cylindrical guide part (15 b) is lower than the bottom of the transfer box (15).
3. The anti-pollution acquisition accessory according to claim 1, characterized in that the top of the housing cavity (20 c) is of unitary structure with the top casing wall of the connection portion (20 b); the side wall of the accommodating cavity (20 c) is surrounded by a vertically arranged rib plate.
4. The anti-contamination collection assembly of claim 1, wherein a top edge of the reagent tank (20 a) is provided with an inner wrap connector (20 g); the connecting buckle (20 g) can be buckled on the upper edge of the transfer box (15) or the collecting cup (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111213205.4A CN113980788B (en) | 2021-10-19 | 2021-10-19 | Anti-pollution collection accessory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111213205.4A CN113980788B (en) | 2021-10-19 | 2021-10-19 | Anti-pollution collection accessory |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113980788A CN113980788A (en) | 2022-01-28 |
| CN113980788B true CN113980788B (en) | 2024-04-05 |
Family
ID=79739210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111213205.4A Active CN113980788B (en) | 2021-10-19 | 2021-10-19 | Anti-pollution collection accessory |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205785957U (en) * | 2016-05-31 | 2016-12-07 | 四川省人民医院 | Anti-pollution infantile asepsis urine specimen cup |
| CN110869517A (en) * | 2018-04-04 | 2020-03-06 | 美林美邦（厦门）生物科技有限公司 | Sample treatment and detection reagent cup box with material transfer structure |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205785957U (en) * | 2016-05-31 | 2016-12-07 | 四川省人民医院 | Anti-pollution infantile asepsis urine specimen cup |
| CN110869517A (en) * | 2018-04-04 | 2020-03-06 | 美林美邦（厦门）生物科技有限公司 | Sample treatment and detection reagent cup box with material transfer structure |
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| CN113980788A (en) | 2022-01-28 |
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