CN203337663U - Closed chromatographic test paper detection apparatus and solution pipe for same - Google Patents
Closed chromatographic test paper detection apparatus and solution pipe for same Download PDFInfo
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- CN203337663U CN203337663U CN2013202330543U CN201320233054U CN203337663U CN 203337663 U CN203337663 U CN 203337663U CN 2013202330543 U CN2013202330543 U CN 2013202330543U CN 201320233054 U CN201320233054 U CN 201320233054U CN 203337663 U CN203337663 U CN 203337663U
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Abstract
The utility model discloses a closed chromatographic test paper detection apparatus and a solution pipe for the same. The closed chromatographic test paper detection apparatus comprises a solution pipe, a connecting pipe and a test paper pipe, wherein a bottom structure with a shear mark is arranged at the bottom of the pipe body of the solution pipe, two grooves are formed in the circumferential surface of the inner wall of the pipe body of the solution pipe, a solution pipe cover can be repeatedly opened by virtue of one of the two grooves, the other groove is reversely hooked the solution pipe cover to form a closed environment; bulged sealing rings are arranged on the inner circumferential walls of counter bore-shaped connectors (matched with the solution pipe) of the connecting pipe, the bulged sealing rings are matched with the grooves of the solution pipe and then reversely hooked to form a sealed environment; a structure interacting with the bottom structure of the solution pipe to release a solution is arranged at the bottom of a connector through which the solution pipe is inserted in the connecting pipe; bulged sealing rings are arranged in connectors by which the connecting pipe is connected with the test paper pipe, and the bulged sealing rings are matched with the grooves in the outer part of the test pipe and then reversely hooked to form a closed environment; and other solution pipes can be overlapped on the solution pipe to form a plurality of sleeves. The closed chromatographic test paper detection apparatus is small in size, capable of realizing complete closing and further completely preventing a sample in a chromatographic test paper sample solution from influencing and polluting the environment.
Description
Technical field
The utility model relates to a kind of chromatographic test paper pick-up unit, relates in particular to a kind of enclosed chromatographic test paper pick-up unit.In addition, the utility model also relates to a kind of solution pipe for said apparatus.
Background technology
Charlton is in Sidestream chromatography test paper technology (the Lateral Flow of utility model in 1988, US6,485,982) caused the immunology diagnosis revolution, this diagnostic techniques has been simplified sample by the mode of chromatographic test paper and has been added step, by the reaction of the solid-phase immunity on nitrocellulose filter, has realized unprecedented simple, quick, accurate and cheap simultaneously.Colloidal gold immune chromatography test is generalized to widely used fast medical external diagnosis reagent subsequently, also has been generalized to subsequently food security and bio-safety fast detecting field.The biochemical test paper of other dry types also starts to adopt the chromatographic test paper mode simultaneously.In the test item of these chromatographic test papers, the part detection material can produce damaging effect to operating personnel and environment, as the anthrax cause of disease detects, and dioxin etc.Therefore the chromatography detecting test paper of this class detected object needs supporting closed pick-up unit.
General hand-held test strips and the two kinds of forms of plastics cartridge packing of adopting of at present common chromatographic test paper.The production technology of hand-held test strips is simple, and packaging volume is little, the storage convenient transportation.It in use only need to be by the sample solution of one of regulation insertion certain depth, and the just automatic chromatography of solution is climbed up test strips, in shorter time showing, goes out result.But after having detected, substantially be full of residual sample solution on whole test strips, this residual solution may contaminated environment and operating personnel in subsequent operation.Therefore using the main detected object of immune chromatography test paper of hand-held test strips form at present is human or animal's urine, has communicable clinical sample and does not generally adopt this mode.
The chromatographic test paper product of plastics cartridge packing is the main flow of existing market.Three kinds of perforates are generally arranged on the plastics cartridge, and a kind of is sample viewing window, is used for observing the reaction result of chromatographic test paper; A kind of is that sample solution adds hole; A kind of is that bleeder vent is used for carrying out the sample solution on the rapid draing test paper.These three kinds of perforates may be exposed to the sample solution be added on test paper in air, possible contaminated environment and operating personnel.But compare hand-held test strips, greatly reduced opportunities for contamination.
American I nverness company used a kind of detect urine sample early pregnancy pen type plastics cartridge, the view window of this kind of cartridge is replaced by LCDs or transparent sealed plastic sheet, the interpolation hole of sample solution is replaced by automatic solution absorbing rod, and after sample solution enters absorbing rod, this absorbing rod can be connected by a plastic jacket cover, can fully sample solution be sealed in to plastics cartridge inside.
Chromatographic test paper is widely used in drug addict's urine fast detecting at present.The plastics cartridge that the main Test paper packaged form of illicit drugs inspection chromatographic test paper is the plug-in type headgear.In this packaged form, chromatographic test paper all (containing view window) can be sealed by transparent plastic sheet, sample adds part and stretches out for inserting solution absorption sample, after sample has been drawn, have a plug-in type headgear that the sample of test paper is added to part and entangle, so this class plastics cartridge can completely cut off the pollution to environment and operating personnel containing the sample solution of Poison substantially.
From U.S. Cetus in 1985 polymerase chain reaction (Polymerase Chain Reaction for company, PCR), since realizing the specific amplification of nucleic acid, this technology just is widely used in epidemic disease cause of disease detection field because having high sensitivity, high specific and efficient characteristics.But the high concentration cause of disease nucleotide sequence be amplified is easy to contaminated air, test tool and water in the subsequent operation process, thereby cause the false positive results of subsequent detection sample.Therefore in the penetration and promotion of detection of nucleic acids, also need to develop closed pick-up unit and method.
Solve the pollution problem of nucleic acid amplification product when detecting, mainly contain two kinds of strategies.The first is to build airtight environment in the process that detects nucleic acid amplification product, as: electrophoresis carries out in airtight negative pressure room, the overall process of real-time fluorescence PCR is not opened reaction tube, but these methods all need strict experiment condition and expensive experimental facilities, are not suitable for being popularized for the user of basic unit.The second is to mix dUTP in nucleic acid amplification reaction, after having reacted and next time, before nucleic acid amplification, uses UNG enzyme Processing Test utensil and environment, but this method complex operation, and have certain contamination probability, limited the application of this strategy.
Gerdes etc. (US2004/0110167) are applied to the Sidestream chromatography technology in the detection of nucleic acid amplification product, in basic unit's application, have brought hope to detection of nucleic acids.For fear of in nucleic acid Sidestream chromatography process, producing and pollute, best selection is that operative installations is closed chromatography process.Look after one's family a kind of closed nucleic acid Sidestream chromatography pick-up unit that forever waited (CN1888902) utility model, its structure comprises shell and inner box, inner box comprises chromatography dilution, nucleic acid amplification product and chromatograph test strip, blade pierces diluted liquid tube when shell is closed in inner box and nucleic acid amplification pipe, be imported into the sample pad of chromatograph test strip after two kinds of liquid mix, realize the immunochromatography chromogenic reaction.But the shortcoming of this device is: 1, device volume is large, be not suitable for large-scale production and the transportation of finished product; 2, the test strips in the device is installed complexity, is not suitable for the test paper Assembling Production of scale; 3, after this device is restarted use, can be by easily simple and do not reopen with thering is no vestige, so just relatively realized the sealing of nucleic acid amplification product, if be not intended to open the device reacted by the people, the pollution of amplified production is just inevitable; 4, can only complete the detection of single reactant liquor in this device, and can't detect a plurality of reactant liquors, can't complete the detection of multiple sample on a test strips in the mode of a plurality of reactant liquors.5, the release of the liquid in this device is to accomplish by the broken reaction tube of the pre-aligned metal blade of laying and acupuncture in injection moulding process and diluted liquid tube.This is unfavorable for environmental protection, difficulty and cost that the injection moulding also increased is produced.
The utility model content
The technical problems to be solved in the utility model is to provide a kind of enclosed chromatographic test paper pick-up unit of brand new, the enclosed chromatographic test paper pick-up unit formed by three small and exquisite assembled of volume, the device of assembling out can be realized sealing fully, can block the sample of chromatographic test paper fully to operating personnel's harm and the pollution of environment.This apparatus structure simply is easy to injection moulding production in batches, also is easy to the Batch assemblage production of test strips; Can realize detecting by the mode of physical combination several samples solution in a device; In device, the release of sample liquid is without any need for metal parts.In addition, the utility model also provides a kind of solution pipe for said apparatus.
For solving the problems of the technologies described above, the utility model is taked following technical scheme:
In one side of the present utility model, a kind of enclosed chromatographic test paper pick-up unit is provided, comprise solution pipe, connecting pipe and test paper pipe;
Described solution pipe comprises solution pipe body and solution pipe lid; Described solution pipe inboard wall of tube body periphery is provided with upper and lower two grooves, is respectively inner the first groove of solution pipe, inner the second groove of solution pipe; The periphery of described solution pipe lid is provided with the raised seals ring, inner the first groove of this solution pipe lid periphery raised seals ring and solution pipe, inner the second groove of solution pipe can fitted seal, inner the first groove of solution pipe can allow the solution pipe lid to repeat to open, inner the second groove of solution pipe reverse barb is lived the solution pipe lid, make it at the disposable rear enclosed environment that forms in position that is pressed into, be not easy again to be opened; Described solution pipe body periphery is provided with the solution pipe outer grooves, can coordinate with the raised seals ring of establishing in the connecting pipe corresponding interface and form reverse overhead structure, forms enclosed environment and is not easy to be opened; Described solution pipe body bottom is provided with polycrystalline substance, and the bottom cut channel is established in its neighboring, and when polycrystalline substance is subject to certain effect power, it breaks away from from the fracture of bottom cut channel, and the sample solution now be divided in advance in solution pipe can flow out from the fracture gap;
Described test paper pipe is the hollow elongated tubular of an end opening; The test paper pipe is provided with test paper pipe outer grooves at the interface position of inserting connecting pipe, and after the test paper pipe raised seals ring that this outer grooves is established with the connecting pipe inwall coordinates, reverse barb forms enclosed environment, is not easy again to be opened;
Described connecting pipe is provided with the counterbore shape interface of one or more and described solution pipe lower tube body profile coupling; Be provided with solution pipe raised seals ring in described counterbore shape interface, can coordinate and form reverse overhead structure with the solution pipe outer grooves of inserting interface, formation enclosed environment and be not easy again to be opened; Also be provided with interface one or more and test paper pipe coupling on this connecting pipe, be provided with test paper pipe raised seals ring in this interface, this test paper pipe raised seals ring fits in reverse barb hermetically-sealed construction and is not easy to be opened with the test paper pipe outer grooves of inserting interface; Connecting pipe counterbore shape interface bottom is provided with the solution releasing structure, and it gives specific function power to the solution pipe polycrystalline substance can be by its fracture disengaging, and solution discharges from solution pipe; Connecting pipe solution releasing structure bottom is provided with solution channel, and the liquid that solution pipe discharges will flow to through solution channel the sample solution reception area of the chromatographic test paper in the test paper pipe.
Further, described test paper pipe distal portion is provided with annular groove, when firmly acquiring a certain degree, can, from the annular groove test paper pipe that fractures, be convenient to carry out the abatement of pollution processing to detecting sample; Described test paper tube opening end is provided with test paper pipe projection draw-in groove, blocks when test paper is installed and fixing test paper, and test paper tube opening bottom face is provided with test paper pipe projection swash plate; Connecting portion inner at connecting pipe, that be positioned at test paper pipe matched interfaces and solution pipe coupling counterbore shape interface is provided with the connecting pipe slope, when the test paper pipe inserts connecting pipe, this test paper pipe projection swash plate will be by the top certain angle, approaches the connecting pipe slope after test paper is held up to certain altitude.
Further, described solution pipe polycrystalline substance is made as bottom protrusion, and the periphery of this bottom protrusion is provided with solution pipe bottom cut channel, when this bottom protrusion is subject to certain effect power, it breaks away from from the fracture of bottom cut channel, and the sample solution now be divided in advance in solution pipe can flow out from the fracture gap;
Described connecting pipe bottom solution releasing structure is made as for the solution pipe bottom protrusion and inserts and chimeric pit, and this pit can interact with the solution pipe bottom protrusion, and the solution of solution pipe is discharged; Described solution channel adopts bottom cut channel sheet, and it is two separate space by connecting pipe counterbore shape interface and test paper interface tube partition; When bottom cut channel sheet is subject to the top pressure, it starts to rupture gap formation solution channel from the position that cut channel is arranged, and the liquid discharged when solution pipe will be through flowing to the sample solution reception area of the chromatographic test paper in the test paper pipe herein.
Further, described connecting pipe bottom cut channel sheet is circle or the square plate with wire or point-like cut channel, the few 0.05-0.5mm of the thickness at other positions of material Thickness Ratio, cut channel position of this bottom cut channel sheet; When this bottom cut channel sheet is subject to pressing, the mechanics tolerance value at cut channel position than other positions low and from certain position of cut channel, start the fracture; When stressed, when more, bottom cut channel sheet has the position complete rupture of cut channel;
Described solution pipe bottom cut channel is wire or point-like, the few 0.05-0.5mm of the thickness at other positions of material Thickness Ratio at cut channel position; When the solution pipe bottom protrusion is subject to specific function power, the mechanics tolerance value at cut channel position is low than other positions, so bottom bottom protrusion and solution pipe, will rupture from the cut channel position in junction;
Described solution pipe bottom protrusion and described connecting pipe bottom pit are the mutual embedded structure of in-line or cruciform or other shapes; Inner the first groove of described solution pipe, inner the second groove of solution pipe, solution pipe outer grooves and test paper pipe outer grooves are annular groove.
Further, described solution pipe top of closure is provided with a counterbore shape cavity, can insert another solution pipe lower tube body and form the stack sleeve structure in this counterbore shape cavity; Described counterbore shape cavity bottom is provided with the solution releasing structure, and solution releasing structure bottom is provided with solution channel; The internal face of solution pipe lid counterbore shape cavity is provided with the raised seals ring, and this raised seals ring coordinates the rear reverse barb enclosed construction that forms with the outer grooves of another solution pipe of inserting lid counterbore shape cavity, is not easy again to be opened.
Further, described solution pipe polycrystalline substance is bottom protrusion, the solution releasing structure of the counterbore shape cavity of described solution pipe lid is for inserting and chimeric pit for the solution pipe bottom protrusion, and the bottom pit of the counterbore shape cavity of described solution pipe bottom protrusion and described solution pipe lid is the mutual embedded structure of in-line or cruciform or other shapes; Described solution channel adopts bottom cut channel sheet, and when bottom cut channel sheet is subject to the top pressure, it starts to rupture gap formation solution channel from the position that cut channel is arranged; This bottom cut channel sheet is circle or the square plate with wire or point-like cut channel, the few 0.05-0.5mm of the thickness at other positions of material Thickness Ratio, cut channel position; When this bottom cut channel sheet is subject to pressing, the mechanics tolerance value at cut channel position than other positions low and from certain position of cut channel, start the fracture; When stressed, when more, this bottom cut channel sheet has the position complete rupture of cut channel.
Further, described solution pipe polycrystalline substance is provided with the bottom cut channel; Connecting pipe bottom solution releasing structure by bossing and on every side set solution channel hole form; Bossing is supported the solution pipe polycrystalline substance, when the solution pipe polycrystalline substance is subject to acting force that bossing supports, it breaks away from from the fracture of bottom cut channel, the sample solution now be divided in advance in solution pipe can flow out from the fracture gap, and flows to the sample solution reception area of the chromatographic test paper in the test paper pipe by the solution channel hole of connecting pipe bottom.
On the other hand of the present utility model, a kind of solution pipe is provided, described solution pipe comprises solution pipe body and solution pipe lid; Described solution pipe inboard wall of tube body periphery is provided with upper and lower two grooves, is respectively inner the first groove of solution pipe, inner the second groove of solution pipe; The periphery of described solution pipe lid is provided with the raised seals ring, inner the first groove of this raised seals ring and solution pipe, inner the second groove of solution pipe can fitted seal, inner the first groove of solution pipe can allow the solution pipe lid to repeat to open, inner the second groove of solution pipe reverse barb is lived the solution pipe lid, make it at the disposable rear enclosed environment that forms in position that is pressed into, be not easy again to be opened.
Further, described solution pipe body periphery is provided with outer grooves, can coordinate with the raised seals ring of the round tube inner wall of some coupling design and form reverse overhead structure, formation enclosed environment and be not easy again to be opened; Described solution pipe body bottom is provided with polycrystalline substance, this polycrystalline substance and solution pipe body base plane junction are provided with solution pipe bottom cut channel, when polycrystalline substance is subject to certain effect power, it and junction, solution pipe bottom will break away from from the cut channel fracture of solution pipe bottom, and the sample solution now be divided in advance in solution pipe can flow out from the fracture gap; Described solution pipe bottom cut channel is wire or point-like, the few 0.05-0.5mm of the thickness at other positions of material Thickness Ratio at cut channel position; When solution pipe polycrystalline substance and solution pipe junction, when stressed, the torsion tolerance value at cut channel position is low than other positions, so polycrystalline substance and solution pipe junction will be from the cut channel position fractures of solution pipe bottom cut channel.
Further, described solution pipe top of closure is provided with a counterbore shape cavity, in this counterbore shape cavity, can insert another solution pipe bottom body; The internal face of solution pipe lid counterbore shape cavity is provided with the raised seals ring, and this raised seals ring coordinates the rear reverse barb enclosed construction that forms with the outer grooves of inserting another solution pipe of lid counterbore shape cavity, is not easy again to be opened; Described counterbore shape cavity bottom is provided with for the solution pipe polycrystalline substance and inserts and chimeric solution releasing structure, and solution releasing structure bottom is provided with solution channel.
Further, described solution pipe polycrystalline substance is bottom protrusion, and described solution releasing structure is for inserting and chimeric pit for the solution pipe bottom protrusion, and described solution pipe bottom protrusion and described pit are the mutual embedded structure of in-line or cruciform or other shapes; Described solution channel adopts bottom cut channel sheet, and when bottom cut channel sheet is subject to the top pressure, it starts to rupture gap formation solution channel from the position that cut channel is arranged;
Inner the first groove of described solution pipe, inner the second groove of solution pipe, solution pipe outer grooves are annular groove;
Described cover bottom cut channel sheet is circle or the square plate with wire or point-like cut channel, the few 0.05-0.5mm of the thickness at other positions of material Thickness Ratio, cut channel position; When this bottom cut channel sheet is subject to pressing, the tension force tolerance value at cut channel position is low than other positions, so this bottom cut channel sheet starts fracture from certain position of cut channel.
Compared with prior art, the beneficial effects of the utility model are:
1. good airproof performance: between each assembly, special sealing ring and the coupling design of groove have good leakproofness, ensure the sample solution device of can not escaping out, contaminated environment.
2. belong to disposable operative installations: be all to connect by reverse overhead structure between all parts, once, after therefore cooperation puts in place, unless be subject to strong physical action external force, this device will maintain reverse barb and sealing characteristics.
3. simple in structure, volume is small and exquisite: apparatus structure is only by the parts (solution pipe of three kinds of small sizes, connecting pipe and test paper pipe) form, between each parts by jack (connecting pipe interface, raised seals ring and groove fit buckle) couple together, can seal stack between sleeve pipe (solution pipe), array mode is various, is beneficial to application.
4. realized the detection of multiple sample solution: can, as required in connecting pipe two solution pipe of assembling and a plurality of solution pipe stack assembling, detect the plurality of target material simultaneously.
5. material is simple and safe: the material of device is plastics, does not comprise the metal blade member.
6. install simple, easy to operate: the utility model device is installed simple, use this device for detection of method step simple, easy to operate.
The accompanying drawing explanation
Fig. 1 is the assembling schematic diagram of the enclosed chromatographic test paper pick-up unit of the utility model embodiment 1;
Fig. 2 is the structural representation (under solution pipe lid open mode) of the solution pipe of the utility model embodiment 1;
Fig. 3 is the solution pipe body cut-open view of the utility model embodiment 1;
Fig. 4 is the solution pipe lid cut-open view of the utility model embodiment 2;
Fig. 5 is the structural representation of the connecting pipe of the utility model embodiment 1;
Fig. 6 is the connecting pipe cut-open view of the utility model embodiment 1;
Fig. 7 is the structural representation of the test paper pipe of the utility model embodiment 1;
Fig. 8 be the utility model embodiment 1 turn the figure cut-open view;
Fig. 9 is the folded cut-open view of using of the solution pipe of the utility model embodiment 2;
Figure 10 is the anti-cooperation partial sectional view of extracting of several places sealing in the utility model Fig. 8 and Fig. 9;
Figure 11 is the solution pipe body cut-open view of the utility model embodiment 3;
Figure 12 is the structural representation of the connecting pipe of the utility model embodiment 3;
Figure 13 is the assembling schematic diagram of the utility model embodiment 3;
Figure 14 is the structural representation of the test paper pipe of the utility model embodiment 4.
In figure, description of reference numerals is as follows:
1, solution pipe, 11, the solution pipe body, 12, the solution pipe lid, 111, solution pipe bottom protrusion, 112, the solution pipe outer grooves, 113A, inner the first groove of solution pipe, 113B, inner the second groove of solution pipe, 114, solution pipe bottom cut channel, 121, solution pipe lid periphery raised seals ring, 122, solution pipe lid internal protrusion sealing ring, 123, solution pipe lid cut channel sheet, 124, pit, 125, counterbore shape cavity, 13, the solution pipe connection strap.
2, connecting pipe, 21, solution pipe raised seals ring, 22, test paper pipe raised seals ring, 23, the connecting pipe slope, 24, connecting pipe bottom cut channel sheet, 25, pit, 25A, bossing, 25B, solution channel hole, 26, counterbore shape interface, 27, interface.
3, test paper pipe, 31, test paper pipe outer grooves, 32, test paper pipe projection swash plate, 33, test paper pipe projection draw-in groove, when being installed, blocks by test paper the effect of test paper, 34, annular groove.
4, test paper.
21-112 means connecting pipe upper lobes 21 and solution pipe outer grooves 112 cooperation places; In like manner 121-113B, 22-31,112-122 are the two cooperation place.
Embodiment
Below in conjunction with drawings and Examples, to of the present utility model, be described in detail.
As shown in Figure 1, the utility model comprises that a kind of guiding liquid flow become by a plurality of assembled is to the device that carries out detection reaction on the Sidestream chromatography test paper in confined space.Three assemblies are respectively the salable reaction solution pipes of superposing type (hereinafter to be referred as solution pipe 1), salable connecting pipe (hereinafter to be referred as connecting pipe 2), salable test paper pipe (hereinafter to be referred as test paper pipe 3).Solution pipe 1 can be one or more, and in the embodiment shown in fig. 1, solution pipe 1 adopts 2.
As shown in Figure 2, solution pipe 1 comprises solution pipe body 11 and solution pipe lid 12, between solution pipe body 11 and solution pipe lid 12, by solution pipe connection strap 13, connects; Solution pipe body 11 comprises solution pipe bottom protrusion 111 from bottom to up, solution pipe outer grooves 112, solution pipe interior grooves 113; Solution pipe body 11 is divided into bottom, bottom and top, and the diameter on solution pipe body 11 tops is greater than the diameter of solution pipe body 11 bottoms; Solution pipe body 11 bottoms are provided with the solution pipe polycrystalline substance, in the present embodiment, this solution pipe polycrystalline substance is made as solution pipe bottom protrusion 111, the periphery of solution pipe bottom protrusion 111 is provided with solution pipe bottom cut channel 114, when this solution pipe bottom protrusion 111 is subject to certain effect power, it breaks away from from 114 fractures of bottom cut channel, and the sample solution now be divided in advance in solution pipe 1 can flow out from the fracture gap; Solution pipe body 11 lower, outer perimeter are provided with solution pipe outer grooves 112, and solution pipe body 11 upper inside wall circumference are provided with solution pipe interior grooves 113; The periphery of solution pipe lid 12 is provided with solution pipe lid periphery raised seals ring 121 near bottom position.
As shown in Figure 3, solution pipe body 11 upper inside wall circumference are provided with upper and lower two grooves, respectively inner the first groove 113A of solution pipe, inner the second groove 113B of solution pipe, the periphery of described solution pipe lid 12 is provided with raised seals ring 121, this solution pipe lid periphery raised seals ring 121 and inner the first groove 113 of solution pipe, inner the second groove 113B of solution pipe can fitted seal (for example, see 121-113B in Fig. 8, solution pipe lid periphery raised seals ring 121 is fixed with solution pipe interior grooves 113B), solution pipe lid 12 solution pipe lid periphery raised seals ring 121 in covering process first coordinates with inner the first groove 113A of solution pipe, pressing for the second time rear solution pipe lid 12 can also press inner the second groove 113B of LAP and solution pipe again and coordinate, the state that finally covers is can not be extracted and sealing state (internal liquid leakage phenomenon can not occur).Solution pipe inside the first groove 113A can allow solution pipe lid 12 to repeat to open, and inner the second groove 113B of solution pipe reverse barb lives solution pipe lid 12, makes it at the disposable rear enclosed environment that forms in position that is pressed into, and can not again be opened.
As shown in Figure 3, solution pipe body 11 bottoms are provided with solution pipe bottom protrusion 111, solution pipe bottom protrusion 111 is provided with solution pipe bottom cut channel 114 with solution pipe body 11 junctions, when solution pipe is rotated, this solution pipe bottom protrusion 111 will be obstructed and can not be rotated and break away from from 114 fractures of solution pipe bottom cut channel, and the sample solution now be divided in advance in solution pipe 1 can flow out from the fracture gap.Described solution pipe bottom cut channel 114 is band wire or a point-like, the few 0.05-0.5mm of the thickness at other positions of plastic material Thickness Ratio at cut channel position; When solution pipe rotation and its bottom protrusion 111 while being stuck, the torsion tolerance value at cut channel position is low than other positions, so solution pipe bottom protrusion 111 will rupture from the cut channel position.
As shown in Figure 5 and Figure 6, connecting pipe 2 is provided with in counterbore shape interface 26(Fig. 5 of one or more and solution pipe 1 coupling and Fig. 6 and shows 2 interfaces), being equipped with solution pipe raised seals ring 21(solution pipe raised seals ring 21 in these 2 counterbore shape interfaces 26 can be fixed and form reverse overhead structure with the solution pipe outer grooves 112 of inserting interface, form sealed environment and can not be opened, seeing 21-112 in Fig. 8); These 2 counterbore shape interface 26 inner bottom parts are provided with the solution releasing structure, and it gives specific function power to the solution pipe polycrystalline substance can be by its fracture disengaging, and solution discharges from solution pipe; Connecting pipe solution releasing structure bottom is provided with solution channel, and the liquid that solution pipe discharges will flow to through solution channel the sample solution reception area of the chromatographic test paper in the test paper pipe.In the present embodiment, described connecting pipe bottom solution releasing structure is made as for solution pipe bottom protrusion 111 and inserts and chimeric pit 25, and this pit 25 can interact with solution pipe bottom protrusion 111, and the solution of solution pipe is discharged; Described solution channel adopts bottom cut channel sheet 24, and it cuts off connecting pipe counterbore shape interface 26 with test paper interface tube 27 be two separate space; When bottom cut channel sheet 24 is subject to the top pressure, it starts to rupture gap formation solution channel from the position that cut channel is arranged, and the liquid discharged when solution pipe will be through flowing to the sample solution reception area of the chromatographic test paper in the test paper pipe herein; This pit 25 is chimeric with the shape of solution pipe bottom protrusion 111, it can be the chimeric shape of in-line or cruciform or other and solution pipe bottom protrusion 111, when solution pipe is carried out the rotation of certain angle, solution pipe bottom protrusion 111 will be blocked by chimeric pit 25 and can not rotate, thereby discharge liquid after cut channel 114 fractures of solution pipe bottom; When solution pipe bottom protrusion 111 continues to insert, connecting pipe bottom cut channel sheet 24 has the position complete rupture of cut channel; The few 0.05-0.2mm of thickness at other positions of plastic material Thickness Ratio at the cut channel position of connecting pipe bottom cut channel sheet 24, this connecting pipe bottom cut channel sheet 24 for the circle with wire or point-like cut channel or square plate when bottom the solution pipe bottom protrusion 111 of inserting the connecting pipe bottom is pressed connecting pipe during cut channel sheet 24, the tension force tolerance value at cut channel position is low than other positions, so connecting pipe bottom cut channel sheet 24 starts fracture from certain position of cut channel; When solution pipe bottom protrusion 111 continues to insert, connecting pipe bottom cut channel sheet 24 has the position complete rupture of cut channel.If the solution pipe of inserting from top bottom is twisted into two parts, its inner liquid will flow into connecting pipe 2 inside from cut channel sheet 24 gaps of these connecting pipe 2 bottom breaks.Also be provided with an interface 27 mated with test paper pipe 3 on connecting pipe 2, being provided with test paper pipe raised seals ring 22(test paper pipe raised seals ring 22 in this interface 27 is fixed with test paper pipe outer grooves 31, form reverse overhead structure, form sealed environment and can not be opened after the test paper pipe that makes after stressed to be inserted into connecting pipe enters position, see 22-31 in Fig. 8), in connecting pipe 2 inside, the interface 27 that is positioned at test paper pipe 3 couplings is provided with a connecting pipe slope 23 with the connecting portion of the counterbore shape interface 26 of solution pipe 1 coupling, when test paper pipe 3 inserts connecting pipe 2, this test paper pipe projection swash plate 32 will be by the top certain angle, after test paper 4 is held up to certain altitude, top is to connecting pipe slope 23.
As shown in Figure 7, test paper pipe 3 is hollow elongated tubular of an end opening, and its openend two sides are provided with test paper pipe projection draw-in groove 33, plays when test paper 4 is installed and blocks and the fixedly effect of test paper 4, and test paper pipe 3 openend bottom surfaces are provided with test paper pipe projection swash plate 32(and see Fig. 8).Also be provided with test paper pipe outer grooves 31 on the test paper pipe 3 coupling positions of inserting connecting pipe 2, test paper pipe outer grooves 31 is fixed (see figure 8) with test paper pipe raised seals ring 22.Test paper 4 is inserted by test paper pipe 3 opening parts, after inserting fully, pressing test paper 4 at test paper pipe 3 opening parts is stuck between test paper pipe projection draw-in groove 33, can not come off or rock, the related test paper 4 of test paper pipe 3 inserts the interface 27 of connecting pipe 2 and its coupling, the test paper pipe of test paper pipe 3 projection swash plate 32 is subject to the extruding of connecting pipe 2 will be by the jack-up certain angle, will test paper 4 hold up certain altitudes after top to connecting pipe slope 23, make the surperficial pressurized of test paper 4 and control the flowing velocity (see figure 9) of fluid sample.Test paper pipe outer grooves 31 is fixed (seeing 22-31 in Fig. 8) with test paper pipe raised seals ring 22, and sealing can not be extracted (internal liquid leakage phenomenon can not occur).
Figure 10 is that several places sealing in Fig. 8 and Fig. 9 is prevented extracting the cooperation partial sectional view, and as shown in Figure 8,9, 10, solution pipe raised seals ring 21 and solution pipe outer grooves 112 coordinate buckles; Solution pipe lid periphery raised seals ring 121 coordinates buckle with inner the second groove 113B of solution pipe, test paper pipe raised seals ring 22 coordinates buckle with test paper pipe outer grooves 31, solution pipe lid internal protrusion sealing ring 122 coordinates buckle with solution pipe outer grooves 112, these several places coordinate projection and the groove fit at buckle place not to be drawn out easily, protruding and following arc convex can seal, and makes internal liquid leakage phenomenon can not occur.Inner the first groove 113A of solution pipe, inner the second groove 113B of solution pipe, solution pipe outer grooves 112 and test paper pipe outer grooves 31 are annular groove.
In use, as shown in Figure 8, it is example that the solution pipe 1 of take adopts 2 to this embodiment, and the using method of the utility model device, comprise the steps:
1, at first, test paper 4 is arranged in test paper pipe 3 and (is about to test paper 4 by the 3 opening parts insertions of test paper pipe, after inserting fully, pressing test paper 4 at test paper pipe 3 opening parts is stuck between test paper pipe projection draw-in groove 33, can not come off or rock), then by test paper pipe 3, the end with test paper 4 injects in the interface of connecting pipe 2 and test paper pipe 3 couplings, and the test paper pipe projection swash plate 32 of test paper pipe 3 is subject to the extruding of connecting pipe 2 interface inner structures and upsprings and can not rupture.The test paper pipe projection swash plate 32 of upspringing pushes test paper 4 together with the connecting pipe slope 23 in connecting pipe 2 interfaces, test paper 4 distortion are one section shape that arches upward, the test solution stayed is stoped within the specific limits, test paper pipe outer grooves 31 is fixed (seeing 22-31 in Fig. 8) with test paper pipe raised seals ring 22, and sealing can not be extracted (internal liquid leakage phenomenon can not occur).
The lid that 2, will be placed with the solution pipe of test solution is built (in solution pipe body 11, put into test solution, and solution pipe lid 12 is covered in solution pipe body 11), and solution pipe lid periphery raised seals ring 121 coordinates with inner the first groove 113A of solution pipe.
3, above-mentioned solution pipe 1 is arranged on connecting pipe 2 to (being about to solution pipe 1 inserts in connecting pipe 2 in the counterbore shape interface 26 with its coupling), solution pipe bottom protrusion 111 contacts and extruded joint pipe bottom cut channel sheet 24, connecting pipe bottom cut channel sheet 24 stressed rear crackings in opened condition, connecting pipe bottom cut channel sheet 24 ruptures since an end under the pressure of solution pipe bottom protrusion 111, finally be downward bending, by rotation solution pipe 1, (solution pipe bottom protrusion 111 is provided with solution pipe bottom cut channel 114 with solution pipe body 11 junctions to solution pipe bottom protrusion 111 breaking releasings, when rotation solution pipe 1, rupture fully in cut channel 114 places, solution pipe bottom, solution pipe bottom protrusion 111 comes off from solution pipe bottom cut channel 114), after continuing to insert solution pipe 1 fully, its solution pipe outer grooves 112 is coordinated with solution pipe raised seals ring 21 and form overhead structure, this solution pipe 1 will by the overhead structure in interface oppositely withstand be can not extract and sealing state (leakage phenomenon can not occur in internal liquid, can not be reversed and extract in ordinary people's one-handed performance situation, even both hands oppositely also need relative effort just may extract (see figure 8) out.
4, another solution pipe is installed in another counterbore shape interface 26 of connecting pipe as step 2,3.
5, press respectively the lid of two solution pipe, inner the second groove 113B of solution pipe lid periphery raised seals ring 121 and solution pipe is coordinated, the gap that solution in solution pipe is extruded by 111 fractures of solution pipe bottom protrusion flows downward, through connecting pipe bottom cut channel sheet 24 in opened condition, water conservancy diversion is to following test paper 4, finally from the sample solution of two solution pipe, flow to respectively on test strips two positions and complete correlated response and demonstrate the signal such as color/fluorescent light, so far complete test.
In addition, it is example that the utility model device of take adopts a solution pipe, and its using method comprises the steps:
Step 5, press the lid of solution pipe, the periphery raised seals ring 121 of its lid is coordinated with inner the second groove 113B of solution pipe, the gap that solution in solution pipe is extruded by 111 fractures of solution pipe bottom protrusion flows downward, through cut channel sheet 24 water conservancy diversion of connecting pipe inside in opened condition to following test paper, the sample solution of solution pipe flows on test strips and completes correlated response and demonstrate the signals such as color/fluorescent light, so far completes test.
While testing after two kinds of test solution hybrid reactions of needs, need two solution pipe stacks, the utility model device can adopt another structure, as shown in Figure 4, a counterbore shape cavity 125 can be established in solution pipe lid 12 tops, in this counterbore shape cavity 125, can insert another solution pipe (see figure 9); Counterbore shape cavity 125 bottoms of solution pipe lid 12 are provided with solution pipe lid cut channel sheet 123 and insert and chimeric pit 124 for solution pipe bottom protrusion 111.Solution pipe bottom protrusion 111 and pit 124 are the mutual embedded structure of in-line or cruciform or other shapes; The periphery of solution pipe lid 12 is provided with solution pipe lid periphery raised seals ring 121 near the cover bottom position, the inwall of solution pipe lid 12 is provided with solution pipe lid internal protrusion sealing ring 122(solution pipe lid internal protrusion sealing ring 122 near the cap top position and inserts in lid counterbore shape cavity 125 and solution pipe lid cut channel sheet 123 is backed down to the solution pipe outer grooves 112 that is another solution pipe of opening shape and is fixed, form reverse overhead structure, form sealed environment and can not be opened see the 112-122 in Fig. 9).The few 0.05-0.2mm of the thickness at solution pipe lid cut channel sheet 123 other positions of plastic material Thickness Ratio, cut channel position, this cut channel can be the plastic sheet of a notched annular wire or point-like cut channel, the thickness of the barbed portion of annular does not change; When the solution pipe bottom protrusion 111 of inserting the connecting pipe bottom is pressed cut channel sheet 123, the tension force tolerance value at cut channel position is low than other positions, so cut channel sheet 123 starts fracture from certain position of cut channel; When solution pipe bottom protrusion 111 continues to insert, cut channel sheet 123 has the position complete rupture of cut channel, and thickness does not have the cut channel barbed portion changed can not rupture.
As shown in Figure 9, while testing after two kinds of test solution hybrid reactions of needs, in the counterbore shape cavity 125 of lid 12 that the second solution pipe 1B can be inserted to the first solution pipe 1A by bottom (as Fig. 9), start fracture by the cut channel bosom under the first solution pipe 1A lid cut channel sheet 123 111 base pressures of the bottom protrusion at the second solution pipe 1B, finally be the open mode (see figure 9) do not ruptured without the cut channel place, the second solution pipe 1B bottom protrusion 111 both sides are dropped between the pit 124 of the first solution pipe 1A, rotate the second top solution pipe 1B, the second solution pipe 1B bottom protrusion 111 is subject to the stopping of pit 124 of the first solution pipe 1A, the second solution pipe 1B bottom cut channel 114 fractures, the second solution pipe 1B bottom protrusion 111 breaks away from the first solution pipe 1A, continue to insert the second solution pipe 1B, the solution pipe lid internal protrusion sealing ring 122 of the solution pipe outer grooves 112 of the second solution pipe 1B and the first solution pipe 1A is fixed, and sealing can not be extracted, the drop space appears in the bottom of the second solution pipe 1B bottom protrusion 111 and the second solution pipe 1B, test solution flows in the first solution pipe 1A by space and the first solution pipe 1A lid cut channel sheet 123 in opened condition.
This embodiment in use, needs two solution pipe stacks, and the second solution pipe 1B is inserted (see figure 9) in the cavity of top of closure of the first solution pipe 1A by bottom.As shown in Figure 9, the using method of the utility model device, comprise the steps:
1, at first, test paper 4 is arranged in test paper pipe 3 and (is about to test paper 4 by the 3 opening parts insertions of test paper pipe, after inserting fully, pressing test paper 4 at test paper pipe 3 opening parts is stuck between test paper pipe projection draw-in groove 33, can not come off or rock), then by test paper pipe 3, the end with test paper 4 injects in the interface of connecting pipe 2 and test paper pipe 3 couplings, and the test paper pipe projection swash plate 32 of test paper pipe 3 is subject to the extruding of connecting pipe 2 interface inner structures and upsprings and can not rupture.The test paper pipe projection swash plate 32 of upspringing pushes test paper 4 together with the connecting pipe slope 23 in connecting pipe 2 interfaces, test paper 4 distortion are one section shape that arches upward, the test solution stayed is stoped within the specific limits, test paper pipe outer grooves 31 is fixed (seeing 22-31 in Fig. 8) with test paper pipe raised seals ring 22, and sealing can not be extracted (internal liquid leakage phenomenon can not occur).
The lid that 2, will be placed with the solution pipe of test solution is built and (in solution pipe body 11, is put into test solution, and solution pipe lid 12 is covered in solution pipe body 11), solution pipe lid periphery raised seals ring 121 coordinates with inner the first groove 113A of solution pipe, forms the first solution pipe 1A.
The lid that 3, will be placed with another solution pipe of test solution is built, and solution pipe lid periphery raised seals ring 121 coordinates with inner the first groove 113A of solution pipe, forms the second solution pipe 1B.
4, the second solution pipe 1B is inserted by bottom in the counterbore shape cavity 25 of top of closure of the first solution pipe 1A, the cut channel sheet 123 of second solution pipe 1B bottom protrusion 111 extruding the first solution pipe 1A cover bottoms, cut channel sheet 123 starts fracture by the cut channel place under solution pipe bottom protrusion 111 base pressures of the second solution pipe 1B, finally be the open mode do not ruptured without the cut channel place, the second solution pipe 1B bottom protrusion 111 is inserted and is entrenched in the pit 124 of the first solution pipe 1A cover bottom, rotate the second solution pipe 1B, the second solution pipe 1B bottom protrusion 111 is from the second solution pipe 1B bottom cut channel 114 fractures, the second solution pipe 1B bottom protrusion 111 breaks away from the second solution pipe 1B, liquid in the second solution pipe 1B, flow out in the gap of from then on rupturing.Continue to insert the second solution pipe 1B, the solution pipe lid internal protrusion sealing ring 122 of the solution pipe outer grooves 112 of the second solution pipe 1B and the first solution pipe 1A is fixed, and sealing can not be extracted.
5, press the lid of the second solution pipe 1B, the periphery raised seals ring 121 of its lid is coordinated with inner the second groove 113B of the second solution pipe 1B, solution is extruded by the crack of the second solution pipe (1B) bottom via the first solution pipe 1A lid cut channel sheet 123 in opened condition in solution pipe, flow in following the first solution pipe 1A, two kinds of test solutions are mixed into one;
6, repeating step 3,4,5, more solution can be mixed into to one;
7, above-mentioned the first solution pipe 1A be equipped with over a solution pipe sample solution is arranged in the counterbore shape interface 26 of connecting pipe 2 and its coupling, solution pipe bottom protrusion 111 contacts and extruded joint pipe bottom cut channel sheet 24, connecting pipe bottom cut channel sheet 24 stressed rear crackings in opened condition, connecting pipe bottom cut channel sheet 24 ruptures since an end under the pressure of solution pipe bottom protrusion 111, finally be downward bending, by rotating the first solution pipe 1A, (solution pipe bottom protrusion 111 is provided with solution pipe bottom cut channel 114 with solution pipe body 11 junctions to solution pipe bottom protrusion 111 breaking releasings, when rotation solution pipe 1, rupture fully in cut channel 114 places, solution pipe bottom, solution pipe bottom protrusion 111 comes off from solution pipe bottom cut channel 114), after continuing to insert the first solution pipe 1A fully, its solution pipe outer grooves 112 is coordinated with solution pipe raised seals ring 21 and form overhead structure, this first solution pipe 1A will by the overhead structure in interface oppositely withstand be can not extract and sealing state (leakage phenomenon can not occur in internal liquid, can not be reversed and extract in ordinary people's one-handed performance situation, even both hands oppositely also need relative effort just may extract (see figure 8) out.
8, press the second solution pipe 1B, the lid periphery raised seals ring 121 of the first solution pipe 1A is coordinated with inner the second groove 113B of the first solution pipe 1A, the gap that mixed solution is extruded by 111 fractures of solution pipe bottom protrusion flows downward, through cut channel sheet 24 water conservancy diversion of connecting pipe inside in opened condition to following test paper 4, final biased sample solution completes correlated response and demonstrates the signal such as color/fluorescent light on test strips, so far completes test.
As shown in Figure 11-13, this embodiment 3 is with the difference of embodiment 1: the solution pipe polycrystalline substance is provided with bottom cut channel 114, but does not establish bottom protrusion; Connecting pipe bottom solution releasing structure by bossing 25A and on every side set solution channel hole 25B form; Bossing 25A supports the solution pipe polycrystalline substance, when the solution pipe polycrystalline substance is subject to acting force that bossing 25A supports, it breaks away from from 114 fractures of bottom cut channel, the sample solution now be divided in advance in solution pipe 1 can flow out from the fracture gap, and flows to the sample solution reception area of the chromatographic test paper in the test paper pipe by the solution channel hole 25B of connecting pipe bottom; Described solution pipe bottom cut channel 114 is wire or point-like, the few 0.05-0.5mm of the thickness at other positions of material Thickness Ratio at cut channel position; When the solution pipe polycrystalline substance is subject to specific function power, the mechanics tolerance value at cut channel position is low than other positions, therefore will be from the cut channel position fracture of solution pipe bottom cut channel 114.Other structures of the present embodiment are identical with embodiment 1.
As shown in figure 14, embodiment 4 is with the difference of embodiment 1-3: test paper pipe 3 distal portion are provided with annular groove 34, when firmly acquiring a certain degree, can, from the annular groove 34 test paper pipe 3 that fractures, be convenient to carry out the abatement of pollution processing to detecting sample.The cut channel sheet of counterbore shape cavity 125 bottoms of solution pipe lid 12 123 tops are crushed and split (see figure 4) simultaneously, then all components is immersed in the nanometer titanium dioxide titanium solution, then the objectionable impurities in the sample solution in the irradiation decline deblocking enclosed chromatographic test paper device of ultraviolet light.
Claims (11)
1. an enclosed chromatographic test paper pick-up unit, is characterized in that, comprises solution pipe (1), connecting pipe (2) and test paper pipe (3);
Described solution pipe (1) comprises solution pipe body (11) and solution pipe lid (12); Described solution pipe body (11) inwall periphery is provided with upper and lower two grooves, is respectively inner the first groove (113A) of solution pipe, inner the second groove (113B) of solution pipe; The periphery of described solution pipe lid (12) is provided with raised seals ring (121), inner the first groove (113A) of this solution pipe lid periphery raised seals ring (121) and solution pipe, inner the second groove of solution pipe (113B) can fitted seal, inner the first groove of solution pipe (113A) can allow solution pipe lid (12) to repeat to open, inner the second groove of solution pipe (113B) reverse barb is lived solution pipe lid (12), make it at the disposable rear enclosed environment that forms in position that is pressed into, be not easy again to be opened; Described solution pipe body (11) periphery is provided with solution pipe outer grooves (112), can coordinate with the raised seals ring (21) of establishing in connecting pipe (2) corresponding interface and form reverse overhead structure, forms enclosed environment and is not easy to be opened; Described solution pipe body (11) bottom is provided with polycrystalline substance, bottom cut channel (114) is established in its neighboring, when polycrystalline substance is subject to certain effect power, it breaks away from from bottom cut channel (114) fracture, and the sample solution now be divided in advance in solution pipe (1) can flow out from the fracture gap;
Described test paper pipe (3) is the hollow elongated tubular of an end opening, test paper pipe (3) is provided with test paper pipe outer grooves (31) at the interface position of inserting connecting pipe (2), after the test paper pipe raised seals ring (22) that this outer grooves (31) is established with connecting pipe (2) inwall coordinates, reverse barb forms enclosed environment, is not easy again to be opened;
Described connecting pipe (2) is provided with the counterbore shape interface (26) of one or more and described solution pipe (1) lower tube body profile coupling; Be provided with solution pipe raised seals ring (21) in described counterbore shape interface (26), can coordinate and form reverse overhead structure with the solution pipe outer grooves (112) of inserting interface, formation enclosed environment and be not easy again to be opened; Also be provided with interface (27) one or more and test paper pipe (3) coupling on this connecting pipe (2), be provided with test paper pipe raised seals ring (22) in this interface (27), this test paper pipe raised seals ring (22) fits in reverse barb hermetically-sealed construction and is not easy to be opened with the test paper pipe outer grooves (31) of inserting interface (27); Connecting pipe counterbore shape interface (26) bottom is provided with the solution releasing structure, and it gives specific function power to the solution pipe polycrystalline substance can be by its fracture disengaging, and solution discharges from solution pipe; Connecting pipe solution releasing structure bottom is provided with solution channel, and the liquid that solution pipe discharges will flow to through solution channel the sample solution reception area of the chromatographic test paper in the test paper pipe.
2. device as claimed in claim 1, it is characterized in that, described test paper pipe (3) distal portion is provided with annular groove (34), when firmly acquiring a certain degree, can, from annular groove (34) the test paper pipe (3) that fractures, be convenient to carry out the abatement of pollution processing to detecting sample; Described test paper pipe (3) openend is provided with test paper pipe projection draw-in groove (33), blocks when test paper is installed and fixing test paper; Test paper pipe (3) openend bottom surface is provided with test paper pipe projection swash plate (32); Connecting portion inner at connecting pipe (2), that be positioned at test paper pipe matched interfaces (27) and solution pipe coupling counterbore shape interface (26) is provided with connecting pipe slope (23), when the test paper pipe inserts connecting pipe, this test paper pipe projection swash plate (32) will be by the top certain angle, approaches connecting pipe slope (23) after test paper is held up to certain altitude.
3. device as claimed in claim 1, it is characterized in that, described solution pipe polycrystalline substance is made as bottom protrusion (111), the periphery of this bottom protrusion (111) is provided with solution pipe bottom cut channel (114), when this bottom protrusion (111) is subject to certain effect power, it breaks away from from bottom cut channel (114) fracture, and the sample solution now be divided in advance in solution pipe (1) can flow out from the fracture gap;
Described connecting pipe bottom solution releasing structure is made as for solution pipe bottom protrusion (111) and inserts and chimeric pit (25), and this pit (25) can interact with solution pipe bottom protrusion (111), and the solution of solution pipe is discharged; Described solution channel adopts bottom cut channel sheet (24), and it cuts off connecting pipe counterbore shape interface (26) with test paper interface tube (27) be two separate space; When bottom cut channel sheet (24) is subject to the top pressure, it starts to rupture gap formation solution channel from the position that cut channel is arranged, and the liquid discharged when solution pipe will be through flowing to the sample solution reception area of the chromatographic test paper in the test paper pipe herein.
4. device as claimed in claim 3, it is characterized in that, described connecting pipe bottom cut channel sheet (24) is circle or square plate with wire or point-like cut channel, the few 0.05-0.5mm of the thickness at other positions of material Thickness Ratio, cut channel position of this bottom cut channel sheet (24); When this bottom cut channel sheet (24) while being subject to pressing, the mechanics tolerance value at cut channel position is low and start fracture from certain position of cut channel than other positions; When stressed, when more, bottom cut channel sheet (24) has the position complete rupture of cut channel;
Described solution pipe bottom cut channel (114) is wire or point-like, the few 0.05-0.5mm of the thickness at other positions of material Thickness Ratio at cut channel position; When solution pipe bottom protrusion (111) is subject to specific function power, the mechanics tolerance value at cut channel position is low than other positions, so bottom protrusion (111) will rupture from the cut channel position with junction, solution pipe bottom;
Described solution pipe bottom protrusion (111) pit (25) bottom described connecting pipe is the mutual embedded structure of in-line or cruciform or other shapes; Inner the first groove (113A) of described solution pipe, inner the second groove (113B) of solution pipe, solution pipe outer grooves (112) and test paper pipe outer grooves (31) are annular groove.
5. device as described as claim 1 or 3, is characterized in that, described solution pipe lid (12) top is provided with a counterbore shape cavity (125), can insert another solution pipe lower tube body and form the stack sleeve structure in this counterbore shape cavity (125); Described counterbore shape cavity (125) bottom is provided with the solution releasing structure, and solution releasing structure bottom is provided with solution channel; The internal face of solution pipe lid counterbore shape cavity (125) is provided with raised seals ring (122), this raised seals ring (122) coordinates the rear reverse barb enclosed construction that forms with the outer grooves (112) of another solution pipe of inserting lid counterbore shape cavity (125), be not easy again to be opened.
6. device as claimed in claim 5, it is characterized in that, described solution pipe polycrystalline substance is bottom protrusion (111), the solution releasing structure of the counterbore shape cavity (125) of described solution pipe lid is for inserting and chimeric pit (124) for solution pipe bottom protrusion (111), and the bottom pit (124) of the counterbore shape cavity (125) of described solution pipe bottom protrusion (111) and described solution pipe lid is the mutual embedded structure of in-line or cruciform or other shapes; Described solution channel adopts bottom cut channel sheet (123), and when bottom cut channel sheet (123) is subject to the top pressure, it starts to rupture gap formation solution channel from the position that cut channel is arranged; This bottom cut channel sheet (123) is circle or square plate with wire or point-like cut channel, the few 0.05-0.5mm of the thickness at other positions of material Thickness Ratio, cut channel position; When this bottom cut channel sheet (123) while being subject to pressing, the mechanics tolerance value at cut channel position is low and start fracture from certain position of cut channel than other positions; When stressed, when more, this bottom cut channel sheet (123) has the position complete rupture of cut channel.
7. device as claimed in claim 1, is characterized in that, described solution pipe polycrystalline substance is provided with bottom cut channel (114); Connecting pipe bottom solution releasing structure by bossing (25A) and on every side set solution channel hole (25B) form; Bossing (25A) is supported the solution pipe polycrystalline substance, when the solution pipe polycrystalline substance is subject to acting force that bossing (25A) supports, it breaks away from from bottom cut channel (114) fracture, the sample solution now be divided in advance in solution pipe (1) can flow out from the fracture gap, and flows to the sample solution reception area of the chromatographic test paper in the test paper pipe by the solution channel hole (25B) of connecting pipe bottom.
8. a solution pipe, is characterized in that, described solution pipe comprises solution pipe body (11) and solution pipe lid (12); Described solution pipe body (11) inwall periphery is provided with upper and lower two grooves, is respectively inner the first groove (113A) of solution pipe, inner the second groove (113B) of solution pipe; The periphery of described solution pipe lid (12) is provided with raised seals ring (121), inner the first groove (113A) of this raised seals ring (121) and solution pipe, inner the second groove of solution pipe (113B) can fitted seal, inner the first groove of solution pipe (113A) can allow solution pipe lid (12) to repeat to open, inner the second groove of solution pipe (113B) reverse barb is lived solution pipe lid (12), make it at the disposable rear enclosed environment that forms in position that is pressed into, be not easy again to be opened.
9. solution pipe as claimed in claim 8; It is characterized in that, described solution pipe body (11) periphery is provided with outer grooves (112), can coordinate with the raised seals ring (21) of the round tube inner wall of some coupling design and form reverse overhead structure, formation enclosed environment and be not easy again to be opened; Described solution pipe body (11) bottom is provided with polycrystalline substance, this polycrystalline substance and solution pipe body (11) base plane junction are provided with solution pipe bottom cut channel (114), when polycrystalline substance is subject to certain effect power, it and junction, solution pipe bottom will break away from from solution pipe bottom cut channel (114) fracture, and the sample solution now be divided in advance in solution pipe (1) can flow out from the fracture gap; Described solution pipe bottom cut channel (114) is wire or point-like, the few 0.05-0.5mm of the thickness at other positions of material Thickness Ratio at cut channel position; When solution pipe polycrystalline substance and solution pipe junction, when stressed, the torsion tolerance value at cut channel position is low than other positions, so polycrystalline substance and solution pipe junction will be from the cut channel position fractures of solution pipe bottom cut channel (114).
10. solution pipe as claimed in claim 8, it is characterized in that, described solution pipe body (11) periphery is provided with outer grooves (112), can coordinate with the raised seals ring (21) of the round tube inner wall of some coupling design and form reverse overhead structure, formation enclosed environment and be not easy again to be opened; Described solution pipe lid (12) top is provided with a counterbore shape cavity (125), in this counterbore shape cavity (125), can insert another solution pipe bottom body; The internal face of solution pipe lid counterbore shape cavity (125) is provided with raised seals ring (122), this raised seals ring (122) coordinates the rear reverse barb enclosed construction that forms with the outer grooves (112) of inserting another solution pipe of lid counterbore shape cavity (125), be not easy again to be opened; Described counterbore shape cavity (125) bottom is provided with for the solution pipe polycrystalline substance inserts and chimeric solution releasing structure, and solution releasing structure bottom is provided with solution channel.
11. solution pipe as claimed in claim 10, it is characterized in that, described solution pipe polycrystalline substance is bottom protrusion (111), described solution releasing structure is for inserting and chimeric pit (124) for solution pipe bottom protrusion (111), and described solution pipe bottom protrusion (111) and described pit (124) are the mutual embedded structure of in-line or cruciform or other shapes; Described solution channel adopts bottom cut channel sheet (123), and when bottom cut channel sheet (123) is subject to the top pressure, it starts to rupture gap formation solution channel from the position that cut channel is arranged;
Inner the first groove (113A) of described solution pipe, inner the second groove (113B) of solution pipe, solution pipe outer grooves (112) are annular groove;
Described cover bottom cut channel sheet (123) is circle or square plate with wire or point-like cut channel, the few 0.05-0.5mm of the thickness at other positions of material Thickness Ratio, cut channel position; When this bottom cut channel sheet (123), while being subject to pressing, the tension force tolerance value at cut channel position is low than other positions, so this bottom cut channel sheet (123) starts fracture from certain position of cut channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202330543U CN203337663U (en) | 2013-04-28 | 2013-04-28 | Closed chromatographic test paper detection apparatus and solution pipe for same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202330543U CN203337663U (en) | 2013-04-28 | 2013-04-28 | Closed chromatographic test paper detection apparatus and solution pipe for same |
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| Publication Number | Publication Date |
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| CN203337663U true CN203337663U (en) | 2013-12-11 |
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| CN2013202330543U Expired - Lifetime CN203337663U (en) | 2013-04-28 | 2013-04-28 | Closed chromatographic test paper detection apparatus and solution pipe for same |
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| CN (1) | CN203337663U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103529201A (en) * | 2013-04-28 | 2014-01-22 | 上海快灵生物科技有限公司 | Closed chromatographic test paper detection device as well as using method thereof |
| CN112718031A (en) * | 2020-06-19 | 2021-04-30 | 上海快灵生物科技有限公司 | Biochemical test paper tube |
| WO2021254513A1 (en) * | 2020-06-19 | 2021-12-23 | 上海快灵生物科技有限公司 | Biochemical test paper tube |
-
2013
- 2013-04-28 CN CN2013202330543U patent/CN203337663U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103529201A (en) * | 2013-04-28 | 2014-01-22 | 上海快灵生物科技有限公司 | Closed chromatographic test paper detection device as well as using method thereof |
| CN103529201B (en) * | 2013-04-28 | 2016-03-23 | 上海快灵生物科技有限公司 | A kind of enclosed chromatographic test paper pick-up unit and using method thereof |
| CN112718031A (en) * | 2020-06-19 | 2021-04-30 | 上海快灵生物科技有限公司 | Biochemical test paper tube |
| WO2021254513A1 (en) * | 2020-06-19 | 2021-12-23 | 上海快灵生物科技有限公司 | Biochemical test paper tube |
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