CN108568322A - A kind of leakage barriers are with test tube and take the fit structure and leakage barriers of liquid part - Google Patents

A kind of leakage barriers are with test tube and take the fit structure and leakage barriers of liquid part Download PDF

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Publication number
CN108568322A
CN108568322A CN201710899622.6A CN201710899622A CN108568322A CN 108568322 A CN108568322 A CN 108568322A CN 201710899622 A CN201710899622 A CN 201710899622A CN 108568322 A CN108568322 A CN 108568322A
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CN
China
Prior art keywords
plugging film
ring
leakage barriers
test tube
film
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CN201710899622.6A
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Chinese (zh)
Inventor
不公告发明人
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无锡市凯顺医疗器械制造有限公司
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Priority to CN201710136641 priority Critical
Priority to CN2017101366413 priority
Application filed by 无锡市凯顺医疗器械制造有限公司 filed Critical 无锡市凯顺医疗器械制造有限公司
Publication of CN108568322A publication Critical patent/CN108568322A/en

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01LCHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L3/00Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/02Devices for withdrawing samples
    • G01N1/10Devices for withdrawing samples in the liquid or fluent state
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01LCHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L2200/00Solutions for specific problems relating to chemical or physical laboratory apparatus
    • B01L2200/06Fluid handling related problems
    • B01L2200/0689Sealing

Abstract

The present invention relates to medical instrument, more particularly, to the leakage barriers of collection of body fluids with test tube and take the fit structure of liquid part.A kind of leakage barriers of the present invention and test tube and the fit structure for taking liquid part, leakage barriers include the side wall and plugging film of ring-like, and plugging film is extended inwardly to form by ring-like side wall, and liquid part lower part is taken to be connected with leakage barriers;The opening portion of leakage barriers and test tube is connected;What leakage barriers were integrated, plugging film is equipped at leakage barriers at least two, the plugging film at two is located at the different height in ring-like inside sidewalls face;It takes liquid part lower part longitudinally through plugging film and is fitted close with leakage barriers and does not destroy plugging film original structure;After taking liquid part and leakage barriers detach, plugging film can prevent the leakage of liquid between examination liquid in pipe and plugging film.The present invention has the advantages of securely not easily to fall off, material utilization amount is few, topples or shakes, and liquid is not easy to leak outside between leakage barriers plugging film in test tube.

Description

A kind of leakage barriers are with test tube and take the fit structure and leakage barriers of liquid part

Technical field

The present invention relates to medical instrument, more particularly, to the device of collection of body fluids and connected for test tube open end With the component of closure.

Background technology

In the prior art, it is to take the lower part of liquid part and test tube mating to take the fit structure of liquid part and test tube,

First, when test tube filling liquid, perfusion equipment is Hard link, the leakproofness and stability of the connection cooperation of the two with test tube Not enough, liquid is easy leakage and perfusion equipment is easy to fall.For this purpose, in filling process, needs two people to coordinate, cause in operation It is cumbersome and inconvenient.

Second, after test tube plug blocks the open end of test tube, if you need to invisible spectro object or liquid detecting, need It could implement after test tube plug is taken out;Operating procedure is various.

Third, after test tube filling liquid, when liquid part will be taken to be removed from test tube opening portion, taking liquid part bottom end to be easy will examination Liquid in pipe is taken out of, is easy outside pollution test tube.

Fourth, when storing full liquid after taking liquid part to be detached with test tube, in test tube, test tube topples or test tube is given a shock, Liquid in test tube is easy outflow, pollutes.

Fifth, when strip or detection suction pipe are inserted into test tube, the liquid being easy to cause in test tube overflows, and pollutes.

Sixth, the liquid part that takes of the prior art is and test tube plug(Leakage barriers)The cooperation of ring-like side wall, when cooperation coordinates Thrust is big, and firmness is not good enough.

Seventh, the test tube component of the prior art(The opening portion with test tube is arranged in leakage barriers)It is tilted a certain angle, test tube plug (Leakage barriers)Liquid will leak outside in channel, intraluminal fluid during gas mixing examination liquid in pipe is injected when detector detects Body is easy leakage and pollutes.

Thus how to provide it is a kind of can be blocked while filling liquid but also to the opening portion of test tube, and can drop Low stain, even if test tube topples or by significant shock, can be effectively prevented liquid flow in test tube after the full liquid of storage Go out;The effective liquid prevented from spilling inside leakage barriers is easy leakage, effectively prevents from injecting gas when detector detects Liquid in pipe leaks outside during mixing tries liquid in pipe, firmness when effective guarantee takes liquid part and leakage barriers to coordinate fixed, And the leakage barriers and test tube of strip detection and detector detection detection can be carried out to liquid in test tube without removing leakage barriers And the fit structure of liquid part is taken, become industry technical barrier urgently to be resolved hurrily.

Invention content

It is convenient, hygienic, securely not easily to fall off that one of the objects of the present invention is to provide one kind, reduces the use of material Amount is filled after liquid after test tube, and test tube is toppled or shaken, and liquid is not easy to leak outside between leakage barriers plugging film in test tube Leakage barriers and test tube and the fit structure for taking liquid part.

What the goal of the invention of the present invention was realized in:

A kind of leakage barriers are with test tube and take the fit structure of liquid part, including take liquid part, test tube and leakage barriers.Leakage barriers include similar Annular sidewall and plugging film.What the leakage barriers were integrated.Plugging film is equipped at the leakage barriers at least two, plugging film position at two Different height in ring-like inside sidewalls face, the plugging film are extended inwardly to form by the ring-like side wall.It is described The opening portion of leakage barriers and test tube is connected.It includes upper and lower part to take liquid part, takes liquid part top for liquid acquisition.Take liquid Part lower part is connected with the leakage barriers, such as plug connection, screw thread, but not limited to this.It is described to take liquid part lower part longitudinal Intert the plugging film and the original structure of the plugging film is fitted close and do not destroyed with the leakage barriers;Take liquid part liquid outlet Lowest point, take the lowest point of liquid part exhaust outlet or take minimum in the ring-like side wall lowermost end three of liquid part lower part be not higher than The lowest point of bottom plugging film;When it is described take liquid part and leakage barriers to detach after, the plugging film can prevent the examination intraluminal fluid The leakage of liquid between body and plugging film.When test tube component(The ligand of test tube and leakage barriers)When upper detector detection, examining It surveys instrument and injects gas into test tube, during making liquid blending in test tube, the ring-like of liquid in test tube along leakage barriers Side wall is creeped upwards, and when going upward at plugging film, at an acute angle or a right angle due to plugging film and ring-like inside sidewalls face shape, Plugging film significantly reduces the kinetic energy of the uplink of liquid, conducts oneself with dignity in conjunction with liquid, and plugging film can effectively prevent the upper of liquid Row avoids in examination liquid in pipe and leakage barriers outside liquid leakage to test tube.The number of plugging film can be 2,3,4,5 etc., But not limited to this.In said program:

The plugging film is sheet at least one, and sheet plugging film is equipped with movable end and fixing end, the movable end and described solid Fixed end is integrated, and the fixing end connects the ring-like side wall, and the movable end can be rotated relative to the fixing end.It can be with It is the plugging film of all sheets of the plugging film, can is the plugging film that part plugging film is sheet.Sheet plugging film it is each The upper surface of movable end can form a up big and down small round table surface.The upper surface of each movable end of sheet plugging film can also shape At the arc surface of recess.The movable end of sheet plugging film can be 3,4,5,6 etc..Three movable ends form Y shape, four work Moved end forms cross or X-shaped.

The plugging film is ring-type at least one, and the fixing end of cyclic annular plugging film is connected to the interior of the ring-like side wall Side.It can be the plugging film of all sheets of the plugging film, can be all cricoid plugging films of the plugging film, it can It is cyclic annular plugging film to be part plugging film.

It can also be, the plugging film includes for cyclic annular plugging film and sheet plugging film.Sheet plugging film be equipped with movable end and Fixing end, the movable end and the fixing end are integrated, and the fixing end connects the ring-like side wall, the activity End can be rotated relative to the fixing end;The fixing end of cyclic annular plugging film is connected to ring-like inside sidewalls face.Can be Cyclic annular plugging film is located at the top of sheet plugging film, and sheet plugging film is located at the lower section of cyclic annular plugging film;It can also be the sheet Plugging film is located at the top of the cyclic annular plugging film.

At at least two when sheet plugging film, the mode that 3D printing can be used makes.

In said program, the area that the ring-type plugging film covers the channel that the ring-like side wall is enclosed is not small In the 40% of cross-sectional area.The channel internal diameter in the channel that wherein ring-like side wall is enclosed is unanimous between the higher and lower levels.

When bottom plugging film is cyclic annular plugging film, the lower surface of the lowest point finger ring shape plugging film of bottom plugging film Or the lowest point of side;When bottom plugging film is sheet plugging film, the lowest point of bottom plugging film refers to movable end and takes Lowest point after the cooperation of liquid part lower part;If bottom sheet plugging film does not coordinate with liquid part lower part is taken, bottom plugging film is most Lower refers to the lowest point of bottom sheet plugging film lower surface.

It is described that liquid part lower part is taken to be fitted close with leakage barriers in said program.Can be,

It is additionally provided with channel above the plugging film of the leakage barriers the top, is taken in liquid part lower outside face and leakage barriers channel Side wall is fitted close.Wherein, it with plugging film can be that following manner is connect to take liquid part lower part:

It takes liquid part lower outside face to be fitted close with cyclic annular plugging film, and is fitted close in sheet plugging film upper surface;

It takes liquid part lower part to pass through the cyclic annular plugging film at upper and lower two but does not contact the cyclic annular plugging film;

Take liquid part lower part pass through upper and lower two at sheet plugging film, and at least with one at sheet plugging film upper surface be fitted close; But it takes liquid part lower part to pass through sheet plugging film at upper and lower two, but does not contact the sheet plugging film;

It takes liquid part lower part to pass through the cyclic annular plugging film and the sheet plugging film but does not contact the cyclic annular plugging film and described Sheet plugging film.The ring-type plugging film is located at the top of the sheet plugging film.

Liquid part lower part is taken to pass through the cyclic annular plugging film and the sheet plugging film, and in the cyclic annular plugging film medial surface It is fitted close;But the sheet plugging film is not contacted;

Liquid part lower part is taken to pass through the cyclic annular plugging film and the sheet plugging film, and tight in the upper surface of the sheet plugging film Close fit;But the cyclic annular plugging film is not contacted.

It is described that liquid part lower part is taken to be fitted close with the plugging film in said program.

Can be that liquid part lower outside face and the medial surface of cyclic annular plugging film is taken to be fitted close.

When the section of cyclic annular plugging film is quadrangle(Such as rectangle, square, parallelogram, trapezoidal or close to solid The hem width of fixed end side is relatively fixed the quadrangle etc. for holding another side narrow), cyclic annular plugging film is with upper surface, lower surface And the side of connection upper and lower surface(One end of cyclic annular plugging film is connect with ring-like inside sidewalls face).On Surface can be plane, inclined-plane, truncated cones face or arc surface etc..

When the section semicircle or small semicircle of cyclic annular plugging film, the medial surface of cyclic annular plugging film is arc surface.

When the section of cyclic annular plugging film is that quadrangle is combined with semicircle or small semicircle, wherein quadrangle can be rectangular Shape, square, parallelogram, trapezoidal or close to fixing end side hem width, are relatively fixed the quadrangle for holding another side narrow, It is relatively fixed the quadrangle etc. for holding another side narrow;Cyclic annular plugging film have upper surface, lower surface and connection upper surface and The medial surface of the arc surface of lower surface, cyclic annular plugging film is arc surface.

Can be that the upper surface for taking the plugging film of liquid part lower outside face and sheet is fitted close.

It can be the upper table for taking liquid part lower outside face simultaneously with the medial surface and sheet plugging film of cyclic annular plugging film Face is fitted close.

In said program, cyclic annular plugging film and the intersection of ring-like inside sidewalls face.

When the acute angle or right angle formed between cyclic annular plugging film and ring-like inside sidewalls face, longitudinal open is formed The downward groove of mouth.The groove surface of the groove can be curved surface.The groove is stranded in for preventing in the leakage barriers Liquid outflow.When taking liquid part lower part to be detached with the leakage barriers, liquid part lower part is taken the liquid in test tube to be brought to ring-type two Between place's plugging film.When remove take liquid part after, test tube tilt or be inverted when(Leakage barriers are still set to the opening of test tube at this time Portion), the groove plays the role of liquid storage, so as to avoid the liquid outflow in leakage barriers.

When between cyclic annular plugging film and ring-like inside sidewalls face be obtuse angle when, when remove take liquid part after, test tube It tilts, the height of cyclic annular plugging film prevents the liquid leakage in leakage barriers between two plugging films.

In said program, the upper surface of the ring-type plugging film is inverted truncated cones face, on the ring-type plugging film Surface diameter reduces from top to bottom.

The width of the ring-type plugging film is not more than the 35% of ring-like side wall internal diameter.It acts as:One, take liquid part with Take liquid part lower outer diameter ratio that liquid part is taken directly to coordinate with the prior art leakage barriers ring-like side wall when leakage barriers cooperation of the present invention When take liquid part lower outer diameter small, therefore in the case that equally ensure stable connection it is firm, take liquid part to be reduced with material;Two, right The plugging film ring-type plugging film width limits, and is actually just defined to plugging film upper surface length, to effectively It ensure that the reset of plugging film at cooperation after taking liquid part and leakage barriers to detach.

The ring-type plugging film distance is less than similar to the remote cyclic annular film thickness that blocks of annular sidewall medial surface apart from loop-like The close cyclic annular closure film thickness in shape inside sidewalls face.Under normal circumstances, the thickness in cyclic annular plugging film thickness is more than or equal to 0.7mm And it is less than or equal to 1mm, cyclic annular plugging film thickness thickness is small, when taking liquid part to extract, is unfavorable for cyclic annular plugging film and restores to the original state.

Further, the thickness thickness of the cyclic annular plugging film is more than the 37% of the width of the cyclic annular plugging film.

Under normal circumstances, it takes in liquid part withdrawal process, be easy to cause cyclic annular plugging film and turn up, once cyclic annular plugging film turns up It cannot reset, then be unfavorable for being effectively prevented test tube and liquid in leakage barriers occurs when vibrations, wide-angle tilt, inversion Leakage.And the cyclic annular closure film thickness close apart from similar annular sidewall medial surface, the remote ring-type of the similar annular sidewall medial surface of distance Plugging film is thin and the upper surface of the cyclic annular plugging film is truncated cones face, is conducive to avoid ring-type when taking liquid part to extract Plugging film turns up, and is conducive to cyclic annular plugging film and restores rapidly to initial state, effectively prevents the leakage of liquid in leakage barriers.

In said program, the ring-like side-wall outer side face of the leakage barriers is equipped with annular projection, the annular projection It is extended outwardly and is formed by ring-like side-wall outer side, the opening portion of the test tube, the madial wall of test tube is equipped with convex with ring-type The annular groove of cooperation is played, the leakage barriers are placed in the opening portion of the test tube, ring-like side-wall outer side face and test tube inside Wall coordinates, and the annular projection coordinates with the annular groove.

In said program, spacing of the plugging film on ring-like side wall is not less than ring-like side wall internal diameter at two 35%, this act as increasing liquid in leakage barriers when liquid in pipe makees jumping outward when test tube is by significant shock Move distance, finally with jump liquid potential energy decrease, fall in leakage barriers, reduce liquid jump to it is general outside leakage barriers Rate.

Another goal of the invention of the present invention be to provide it is a kind of for test tube and take liquid part with the leakage barriers shared.

A kind of leakage barriers, including ring-like side wall and plugging film, the plugging film are inside by the ring-like side wall It extends to form, plugging film is equipped at the leakage barriers at least two, the plugging film is located at the difference in ring-like inside sidewalls face Highly;The leakage barriers are integrally formed, and object can longitudinally run through plugging film under the premise of not destroying plugging film, described similar It is equipped with to match with test tube on the outside of annular sidewall and shares anti-drop structure.When test tube component(The ligand of test tube and leakage barriers)Upper detection When instrument detects, gas is injected into test tube in detector, during making liquid blending in test tube, the liquid in test tube is along leakproof The ring-like side wall of part is creeped upwards, and when going upward at plugging film, due to plugging film and ring-like inside sidewalls face shape At an acute angle or a right angle, plugging film significantly reduces the kinetic energy of the uplink of liquid, conducts oneself with dignity in conjunction with liquid, and plugging film can effectively hinder The uplink for having stopped liquid avoids in examination liquid in pipe and leakage barriers outside liquid leakage to test tube.In said program, the anticreep The top that structure is located at the leakage barriers is fallen, the anti-drop structure extends outwardly for ring-like side-wall outer side to be prolonged still further below It stretches to be formed;Or the anti-drop structure is annular projection, the annular projection extends outwardly shape by ring-like side-wall outer side At.Wherein, the section of annular projection can be semicircle, spherical crown, triangle etc..The lateral surface of the annular projection can be flat Face, inclined-plane or curved surface etc., preferably arc surface or inclined-plane.The lateral surface of the annular projection can be effective when being arc surface or inclined-plane Reduce resistance when leakage barriers coordinate with test tube, improves efficiency of assembling.

In said program, the plugging film includes being equipped with for cyclic annular plugging film and sheet plugging film, the sheet plugging film Movable end and fixing end, the movable end and the fixing end are integrated, and the fixing end is connect with the ring-like side wall, The movable end can be rotated relative to the fixing end;The inside of the fixing end and the ring-like side wall of the ring-type plugging film Face connects;The ring-type plugging film is located at the top of the sheet plugging film, the ring-type plugging film and the ring-like side Wall medial surface forms the downward groove of longitudinal opening;The liquid outflow that the groove is used to prevent to be stranded in the leakage barriers. Further, the angle of cyclic annular plugging film and the ring-like side wall described in the groove is more than 5 ° and is less than 90 °.Work as institute When the angle for stating described in groove cyclic annular plugging film and the ring-like side wall is acute angle, when take liquid part lower part from test tube component (Leakage barriers are set to the opening of test tube)After extraction, test tube component is tilted or is inverted, or when freeing strenuous vibration, leakage barriers are equal The liquid leakage in leakage barriers and in test tube can be effectively prevented.Further, the groove surface of the groove is curved surface.

But the angle of cyclic annular plugging film and the ring-like side wall described in the groove is when being right angle or obtuse angle, When take liquid part lower part from test tube component(Including test tube and leakage barriers, leakage barriers are set to the opening of test tube)After extraction, test tube When component is tilted less than 90 °, cyclic annular plugging film can effectively prevent the liquid outflow being located between two plugging films.

In said program, it is described ring-type plugging film above be equipped with for take liquid part lower part coordinate channel.

In said program, cyclic annular plugging film upper surface diameter reduces from top to bottom.Cyclic annular plugging film upper surface diameter is from upper Can be under and it is gradual successively decrease, also can smoothly successively decrease can also be arc-shaped and submits.As the upper surface of cyclic annular plugging film can be Truncated cones face.

In said program, cyclic annular plugging film width is not more than the 35% of ring-like side wall internal diameter.On the one hand, be conducive to take Liquid part and test tube component(Including test tube and leakage barriers, leakage barriers are set to the opening of test tube)After separation, cyclic annular plugging film is fast Speed effectively resets;On the other hand, leakage barriers are used to coordinate with liquid part is taken, and when taking liquid part to coordinate with leakage barriers, take under liquid part Portion's outer diameter ratio takes liquid part lower outer diameter small when liquid part being taken directly to coordinate with test tube, also than take liquid part directly with leakage barriers ring-like Side wall takes liquid part lower outer diameter small when coordinating, and is equally ensureing that stable connection is firm, liquid part is taken to be reduced with material.

In said program, the plugging film includes cyclic annular plugging film, the remote cyclic annular envelope of the similar annular sidewall medial surface of distance The close cyclic annular closure film thickness of stifled film thickness annular sidewall medial surface similar less than distance.

In said program, the thickness thickness of the ring-type plugging film is more than the 37% of the width of the cyclic annular plugging film.

Under normal circumstances, it takes in liquid part withdrawal process, be easy to cause cyclic annular plugging film and turn up, once cyclic annular plugging film turns up It cannot reset, then be unfavorable for being effectively prevented test tube and liquid in leakage barriers occurs when vibrations, wide-angle tilt, inversion Leakage.And the cyclic annular closure film thickness close apart from similar annular sidewall medial surface, the remote ring-type of the similar annular sidewall medial surface of distance Plugging film is thin and the upper surface of the cyclic annular plugging film is truncated cones face, is conducive to avoid ring-type when taking liquid part to extract Plugging film turns up, and is conducive to cyclic annular plugging film and restores rapidly to initial state, effectively prevents the leakage of liquid in leakage barriers.

In said program, the plugging film includes for cyclic annular plugging film and sheet plugging film, and the ring-type plugging film is located at The top of the sheet plugging film, ring-like sidewall upper face and the cyclic annular plugging film peak are in the same plane.

In said program, the plugging film covers the area in the channel that the ring-like side wall is enclosed not less than logical The 40% of road cross-sectional area.

In said program, spacing of the plugging film on ring-like side wall is not less than ring-like side wall internal diameter at two 35%.If too small in longitudinal spacing between plugging film at two, take liquid part in withdrawal process the persisting between plugging film at two Time is then very short, is unfavorable for effective leakproof.

Therefore, it should ensure that plugging film is in longitudinal spacing at two, ensure width and the thickness of cyclic annular plugging film again Thickness, also to ensure that the area in plugging film covering leakage barriers channel, leak preventing effect could be more preferable.

The another goal of the invention of the present invention be to provide it is a kind of for test tube and take liquid part with the leakage barriers shared.One Kind leakage barriers, including ring-like side wall and plugging film, the plugging film are extended inwardly to form by the ring-like side wall, institute It states and is equipped with plugging film at leakage barriers at least two, the plugging film is located at the different height in ring-like inside sidewalls face;It is described anti- Missing part is integrally formed, and the cross-sectional area in the channel that the ring-like side wall is enclosed is third, the plugging film being located above It is first to cover the ring-like side wall and be enclosed the cross-sectional area in channel, and underlying plugging film covering is described similar The cross-sectional area that annular sidewall is enclosed channel is second, and the first is less than the second, and object is longitudinally running through the closure The plugging film original structure is not destroyed when film.When test tube component(The ligand of test tube and leakage barriers)When upper detector detection, Gas is injected into test tube in detector, during making liquid blending in test tube, the liquid in test tube is along the similar of leakage barriers Annular sidewall is creeped upwards, and when going upward at plugging film, due to plugging film and ring-like inside sidewalls face formed acute angle or Right angle, plugging film significantly reduce the kinetic energy of the uplink of liquid, conduct oneself with dignity in conjunction with liquid, and plugging film can effectively prevent liquid Uplink, avoid in examination liquid in pipe and leakage barriers outside liquid leakage to test tube.

Further, 20% of the first not less than the second is not more than the second 98%.It is preferred that the first is not less than described The 55% of second is not more than the second 90%.

In said program, the plugging film includes being equipped with for cyclic annular plugging film and sheet plugging film, the sheet plugging film Movable end and fixing end, the movable end and the fixing end are integrated, and the fixing end is connect with the ring-like side wall, The movable end can be rotated relative to the fixing end;The fixing end of the ring-type plugging film and ring-like inside sidewalls face Connection;The ring-type plugging film is located at the top of the sheet plugging film.

Further, the sheet plugging film can have 1,2,3,4,5,6 etc. movable end.When the sheet plugging film It is provided only with a movable end, the sheet plugging film covers the ring-like side wall and is enclosed the cross-sectional area in channel not Less than the 70% of the cross section in the channel.Sheet block mould upper surface can with when plane or inclined-plane, sheet blocks the upper table of mould Face is more than or equal to 90 ° with the ring-like side wall angle.When sheet plugging film only there are one movable end when, in by test tube When the outside impulse force of liquid, when the upper surface of movable end or the side of movable end coordinate with the ring-like side wall, limit is formed Position mechanism.

When the upper surface of movable end and the bottom end of the ring-like side wall coordinate, the upper surface length of the movable end More than channel diameter, in by test tube when the outside impulse force of liquid, the upper surface of movable end is in test tube under the impulse force of liquid It moves upwards, forms position limiting structure in the upper surface of movable end and the bottom end auxiliary section of the ring-like side wall so that sheet Plugging film is tighter by the bigger closing of impulse force, effectively prevents the leakage of liquid in test tube.

When the medial surface of the side of movable end and the ring-like side wall coordinates, the side of the movable end with it is described The distance between ring-like side wall is more than or equal to zero;In by test tube when the outside impulse force of liquid, the side of movable end with Interference fit is formed between the ring-like side wall so that the side of movable end and the bottom end of the ring-like side wall coordinate Portion forms position limiting structure so that sheet plugging film is tighter by the bigger closing of impulse force, effectively prevents the outer of liquid in test tube Leakage.

Further, the sheet plugging film is at least provided with 3 movable ends, and movable end can be 3,4,5,6 etc., and phase The length of cut-off rule between adjacent two movable ends is not more than channel diameter 35%.I.e. the both ends of cut-off rule are in the channel cross-section On respective distances be not more than channel diameter 35%.

The present invention has the following advantages:

One, after adopting liquid using the present invention, liquid part and test tube component are taken(Including test tube and the leakproof for being set to test tube opening portion Part)When separation, take liquid part adopt the residual liquid in liquid channel can to whereabouts, liquid in test tube can with the extraction for taking liquid part and With take liquid part trace back row and on.Due to taking liquid part lower part and plugging film to be fitted close, with take liquid part to trace back row and on liquid can be by position Sheet plugging film in lower section stops that even if lucky circumvent lower section sheet plugging film, but liquid depends on and liquid part is taken to go upward to ring-type Cyclic annular plugging film can be met with after between plugging film and sheet plugging film, then when uplink and takes the tight fit of liquid part lower part, finally So that with taking liquid part to extract and the upward liquid or liquid part of row that traces back is adopted the liquid to whereabouts in liquid channel and can be trapped at two Between plugging film, do not leak outside.

Two, groove of the present invention due to forming acute angle between cyclic annular plugging film and ring-like side wall, works as and fills liquid When the test tube component of body tilts even inversion from vertical state, the liquid between two plugging films in component does not flow out.

It three, certainly centainly being capable of height level's state freedom using the test tube component of leakage barriers of the present invention after filling liquid It falls, during vibrations, even if there is gobbet to break through lower section sheet plugging film, but the cyclic annular plugging film and loop-like of top The groove of acute angle is formed between shape side wall, being located at the liquid at two between plugging film can be stopped by cyclic annular plugging film and groove, So that liquid is trapped at two between plugging film, without flowing to outside test tube component.

Four, also ensure that detection strip is inserted into detection while effective leakproof using the test tube component of leakage barriers of the present invention It is detected with detector, liquid in pipe does not leak outside during gas mixing examination liquid in pipe is injected when detector detects.

Five, the present invention takes the cyclic annular plugging film medial surface of liquid part lower outside face and leakage barriers to be fitted close so that takes liquid Part lower part connect after cooperation more light, more convenient, hygienic, secured not easily to fall off when using with test tube component.

Six, the leakage barriers ring-type plugging film fit inside for taking liquid part and test tube component of the invention, liquid is taken with the prior art Part is directly compared with test tube coordinates or liquid part lower part is taken directly compared with the ring-like side wall of leakage barriers coordinates, to take liquid part lower part It is reduced with the diameter at leakage barriers cooperation, under the premise of ensureing that test tube opening internal diameter is constant, and liquid part lower part is taken to connect Diameter reduces at cooperation, reduces the usage amount of material.

Seven, in the liquid-conveying ducts and exhaust passage constant inner diameter for taking liquid part lower part junction, the constant premise of test tube diameter Under, in the prior art, take liquid part lower part junction because being relatively large in diameter so as to take liquid part lower part junction channel(Drain and exhaust) The wall thickness of surrounding is thick, uneven and more with material.If taking liquid part lower part junction(Upper part of channel)Wall thickness is consistent, in production process There are problems that demoulding or low production efficiency again.Using structure of the invention, takes liquid part lower part junction diameter to be reduced, taking Under the premise of the channel diameter of liquid part lower connecting part is constant, the uniformity for taking liquid part lower part junction wall thickness is improved, is substantially subtracted The dosage of material is lacked, shortening forming time improves yield rate, improves production efficiency.

Eight, it is public can be reduced when liquid part lower outside being taken to connect cooperation with cyclic annular plugging film using structure of the invention for cooperation Difference requires;And it will not fall off after ensure that validity-connection of connection;And when reducing leakage barriers and liquid part lower part being taken to coordinate Thrust.

Nine, channel cross sectional area is up-small and down-big has the following advantages for the plugging film covering of leakage barriers:Because of lower section plugging film It is nearest from liquid level in test tube, it is taken in liquid part during surplus liquid or test tube component when outwelling(The cooperation of test tube and leakage barriers Body)During inclined, the plugging film of lower section is larger by the active force of liquid level, when the plugging film of lower section covers the transversal of channel Face area is conducive to that liquid in pipe is prevented to leak outside greatly.Top plugging film covering channel cross sectional area is small:Top plugging film can be with It is cyclic annular plugging film;Can also sheet plugging film, through hole can be equipped among sheet plugging film.Top plugging film covers channel The small insertion convenient for strip, detector suction spindle when detection of cross-sectional area;Convenient for taking liquid part lower part to be inserted into;Convenient for taking under liquid part Portion and through hole are connected and fixed.

Ten, when test tube component(The ligand of test tube and leakage barriers)When upper detector detection, noted into test tube in detector Enter gas, during mixing liquid in pipe, the double-layer structure of leakage barriers can prevent liquid in pipe from leaking to outside test tube.

Description of the drawings

Fig. 1 is test tube schematic diagram of the present invention.

Fig. 2 is that the present invention takes liquid part schematic diagram.

Fig. 3 is leakage barriers schematic diagram -1 of the present invention.

Fig. 4 is combining structure schematic diagram -1 of the present invention.

Fig. 5 is leakage barriers schematic diagram -2 of the present invention.

Fig. 6 is combining structure schematic diagram -2 of the present invention.

Fig. 7 is leakage barriers schematic diagram -3 of the present invention.

Fig. 8 is combining structure schematic diagram -3 of the present invention.

Fig. 9 is leakage barriers schematic diagram -4 of the present invention.

Figure 10 is combining structure schematic diagram -4 of the present invention.

Figure 11 is leakage barriers schematic diagram -5 of the present invention.

Figure 12 is leakage barriers schematic diagram -6 of the present invention.

Figure 13 is leakage barriers schematic diagram -7 of the present invention.

Figure 14 is leakage barriers schematic diagram -8 of the present invention.

Figure 15 is leakage barriers schematic diagram -9 of the present invention.

Figure 16 is leakage barriers schematic diagram -10 of the present invention.

Figure 17 is leakage barriers schematic diagram -11 of the present invention.

Figure 18 is leakage barriers schematic diagram -12 of the present invention.

Figure 19 is one embodiment of the invention leakage barriers and test tube cooperation schematic diagram.

Figure 20 is that one embodiment of the invention takes liquid part, leakage barriers and test tube cooperation schematic diagram.

In figure:

1 leakage barriers, 10 ring-like side walls, 11 ring-like inside sidewalls faces, 12 ring-like side-wall outer side faces, 13 is logical Road, 131 leakage barriers channel madial walls, 17 ring-like sidewall upper faces, 18 spacing,

14 annular projections, the lateral surface of 141 annular projections, 15 grooves, 151 groove surfaces, 16 anti-drop structures,

R ring-like side wall internal diameters,

20 cyclic annular plugging films, 21 cyclic annular plugging films, the medial surface of 201 cyclic annular plugging films, 202 cyclic annular plugging film upper surface diameters, The width of 203 cyclic annular plugging films, the thickness of 204 cyclic annular plugging films, 205 cyclic annular plugging film peaks, 211 cyclic annular plugging films Medial surface,

22 sheet plugging films, 23 sheet plugging films,

221 movable ends, 222 fixing ends, 231 movable ends, 232 fixing ends,

The width of 223 sheet plugging films, the thickness of 224 sheet plugging films, the upper surface of 225 sheet plugging films,

The width of 233 sheet plugging films, the thickness of 234 sheet plugging films, the upper surface of 235 sheet plugging films,

237 holes,

8 take liquid part, and 81 take liquid part top, and 82 take liquid part lower part, and 821 take liquid part lower outside face, 83 exhaust outlets, 84 liquid outlets, 85 take liquid part lower part ring-like side wall lowermost end,

9 test tubes, 91 opening portions, 92 test tube madial walls, 93 annular grooves,

3 cut-off rules;The length of 31 cut-off rules;

4 gap widths;D1 movable end length.

Specific implementation mode

Following further describes the present invention with reference to the drawings, and following embodiment is only preference, is not to this hair Bright range limits, on the contrary, the purpose is to wish to cover various changes and have an equality is arranged in institute of the present invention It is intended in the scope of the scope of the claims applied.

Embodiment 1:1 to attached drawing 4, the present invention is described further below in conjunction with the accompanying drawings:

Leakage barriers and test tube and the fit structure for taking liquid part, including leakage barriers 1, test tube 9 and take liquid part 8.

Leakage barriers are made of hardness of 50 ° of silica gel.The ring-like inside sidewalls face 11 of 1 ring-like side wall 10 of leakage barriers Different height be equipped with cyclic annular plugging film 20 and cyclic annular plugging film 21.Cyclic annular plugging film 20 is located at the top of cyclic annular plugging film 21. Cyclic annular plugging film 20 and cyclic annular plugging film 21 spacing 18 on ring-like side wall are 4.8 ㎜.

Cyclic annular plugging film 20 is extended inwardly to form with cyclic annular plugging film 21 by ring-like side wall 10.

The ring-like side-wall outer side face 12 of 1 ring-like side wall 10 of leakage barriers is equipped with annular projection 14, annular projection The lateral surface 141 of 14 annular projection is arc surface.Annular projection 14 is extended outward to form by ring-like side wall 10.

Cyclic annular plugging film 20 and ring-like inside sidewalls face 11 form the downward groove 15 of longitudinal opening, groove 15 it is recessed Groove face 151 is arc surface.Cyclic annular plugging film 20 and the angle of ring-like side wall 10 are 39 °.Ring-like side wall internal diameter R is 12㎜.The width 203 of the cyclic annular plugging film of cyclic annular plugging film 20 is 2.6 ㎜.The thickness of the cyclic annular plugging film of cyclic annular plugging film 20 204 thickness are 1.0 ㎜.Cyclic annular the block film thickness remote apart from similar annular sidewall medial surface 11 of cyclic annular plugging film 20 is less than The close cyclic annular closure film thickness of the similar annular sidewall medial surface 11 of distance.

The test tube madial wall 92 that test tube 9 is located at opening portion 91 is equipped with annular groove 93.

It includes taking liquid part top 81 and taking liquid part lower part 82 to take liquid part 8, takes liquid part top 81 for liquid acquisition, takes liquid part Lower part 82 is connected with leakage barriers 1.

Leakage barriers 1 are placed in the opening portion 91 of test tube 9, the ring-like side-wall outer side face 12 of leakage barriers 1 and 92 examinations of test tube 9 Pipe madial wall is fitted close, and on the annular projection 14 on 1 ring-like side-wall outer side face 12 of leakage barriers and test tube madial wall 92 Annular groove 93 coordinate, for fixing leakage barriers 1, avoid leakage barriers 1 mobile during taking liquid part to insert or pull out or fall off.

It takes liquid part lower part 82 to be fitted close with leakage barriers 1, takes liquid part lower part 82 longitudinally through cyclic annular plugging film 20 and ring-type Plugging film 21, and cyclic annular plugging film 20 and cyclic annular plugging film 21 are not destroyed.Take liquid part lower outside face 821 and cyclic annular plugging film Medial surface(201、211)It is fitted close.After taking liquid part 8 and leakage barriers 1 detach, cyclic annular plugging film 20 and cyclic annular plugging film 21 It can prevent liquid leakage in test tube 9.Wherein the width of ring-type plugging film 21, cyclic annular 21 thickness thickness of plugging film are blocked with cyclic annular Film 20 is identical.

Cyclic annular plugging film 20 covers the 68% of the cross-sectional area in the channel that ring-like side wall 10 is enclosed.

Cyclic annular plugging film 21 covers the 68% of the cross-sectional area in the channel that ring-like side wall 10 is enclosed.

When test tube component(The ligand of test tube and leakage barriers)When upper detector detection, injected into test tube 9 in detector Gas makes in test tube during liquid blending, and the double-layer structures of leakage barriers 1 effectively prevents in test tube 9 liquid leakage to test tube 9 Outside.

Embodiment 2:Below in conjunction with the accompanying drawings 1, the present invention is described further by Fig. 2, Fig. 5, Fig. 6:

Leakage barriers and test tube and the fit structure for taking liquid part, including leakage barriers 1, test tube 9 and take liquid part 8.

The different height in the ring-like inside sidewalls face 11 of 1 ring-like side wall 10 of leakage barriers is equipped with sheet plugging film 22 With sheet plugging film 23.Sheet plugging film 22 is located at the top of sheet plugging film 23.Sheet plugging film 22 and sheet plugging film 23 Spacing 18 is 6.7 ㎜ on ring-like side wall.

Sheet plugging film 22 and sheet plugging film 23 are extended inwardly to form by ring-like side wall 10.Sheet plugging film 22 Fixing end 222 connect with ring-like inside sidewalls face 11, sheet plugging film 22 be equipped with 4 movable ends 221, movable end 221 Form cross.The fixing end 232 of sheet plugging film 23 is connect with ring-like inside sidewalls face 11, and sheet plugging film 23 is equipped with 4 movable ends 231, movable end 231 form cross.

The ring-like side-wall outer side face 12 of 1 ring-like side wall 10 of leakage barriers is equipped with annular projection 14, annular projection The lateral surface 141 of 14 annular projection is arc surface.Annular projection 14 is extended outward to form by ring-like side wall 10.

Ring-like side wall internal diameter R is 12 ㎜.Sheet plugging film 22 is with sheet plugging film 23 in similar annular sidewall The remote cyclic annular film thickness that blocks in side 11 is less than the cyclic annular closure film thickness close apart from similar annular sidewall medial surface 11.

The 224 self-retaining end 222 of thickness of the sheet plugging film of sheet plugging film 22 is gradually reduced to movable end 221.Sheet The 224 thickness thickness of thickness of plugging film is 1.5 ㎜, and the width 223 of sheet plugging film is 6 ㎜.4 work of sheet plugging film 22 The recess of opening upwards is collectively formed in the upper surface 225 of the sheet plugging film of moved end 221.

The 234 self-retaining end 232 of thickness of the sheet plugging film of sheet plugging film 23 is gradually reduced to movable end 231.Sheet The 234 thickness thickness of thickness of plugging film is 1.5 ㎜, and the width 233 of sheet plugging film is 6 ㎜.4 work of sheet plugging film 23 The recess of opening upwards is collectively formed in the upper surface 235 of the sheet plugging film of moved end 231.

The test tube madial wall 92 that test tube 9 is located at opening portion 91 is equipped with annular groove 93.

It includes taking liquid part top 81 and taking liquid part lower part 82 to take liquid part 8, takes liquid part top 81 for liquid acquisition, takes liquid part Lower part 82 is connected with leakage barriers 1.

Leakage barriers 1 are placed in the opening portion 91 of test tube 9, the ring-like side-wall outer side face 12 of leakage barriers 1 and 92 examinations of test tube 9 Pipe madial wall is fitted close, and on the annular projection 14 on 1 ring-like side-wall outer side face 12 of leakage barriers and test tube madial wall 92 Annular groove 93 coordinate, for fixing leakage barriers 1, avoid leakage barriers 1 mobile during taking liquid part to insert or pull out or fall off.

It takes liquid part lower part 82 to be fitted close with leakage barriers 1, takes liquid part lower part 82 longitudinally through sheet plugging film 22 and sheet Plugging film 23, and sheet plugging film 22 and sheet plugging film 23 are not destroyed.Liquid part lower outside face 821 is taken to be sealed simultaneously with sheet The upper surface 225 of the sheet plugging film of stifled film 22 and the upper surface 235 of the sheet plugging film of sheet plugging film 23 are fitted close.

After taking liquid part 8 and leakage barriers 1 detach, sheet plugging film 22 and sheet plugging film 23 reset.After reset, sheet envelope Stifled film 22 covers the 100% of the cross-sectional area in the channel that ring-like side wall 10 is enclosed.Cyclic annular plugging film 23 covers The 100% of the cross-sectional area in the channel that ring-like side wall 10 is enclosed.Sheet plugging film 22 and sheet plugging film 23 Prevent liquid leakage in test tube 9.

When test tube component(The ligand of test tube and leakage barriers)When upper detector detection, injected into test tube 9 in detector Gas makes in test tube during liquid blending, and the double-layer structures of leakage barriers 1 effectively prevents in test tube 9 liquid leakage to test tube 9 Outside.

Embodiment 3:Below in conjunction with the accompanying drawings 1, the present invention is described further by Fig. 2, Fig. 7, Fig. 8:

Leakage barriers and test tube and the fit structure for taking liquid part, including leakage barriers 1, test tube 9 and take liquid part 8.

The different height in the ring-like inside sidewalls face 11 of 1 ring-like side wall 10 of leakage barriers is equipped with cyclic annular plugging film 20 With sheet plugging film 23.Cyclic annular plugging film 20 is located at the top of sheet plugging film 23.Cyclic annular plugging film 20 and sheet plugging film 23 Spacing 18 is 7.2 ㎜ on ring-like side wall.Cyclic annular plugging film 20 and cyclic annular plugging film 21 from ring-like side wall 10 to Inside extend to form.

The ring-like side-wall outer side face 12 of 1 ring-like side wall 10 of leakage barriers is equipped with annular projection 14, annular projection The lateral surface 141 of 14 annular projection is arc surface.Annular projection 14 is extended outward to form by ring-like side wall 10.Such as Figure 16 The section of shown annular projection 14 can also be triangle, and the lateral surface 141 of the annular projection of annular projection 14 is inclined-plane.

Cyclic annular plugging film 20 and ring-like inside sidewalls face 11 form the downward groove 15 of longitudinal opening, groove 15 it is recessed Groove face 151 is curved surface.Cyclic annular plugging film 20 and the angle of ring-like side wall 10 are 59 °.Ring-like side wall internal diameter R is 12 ㎜.The width 203 of the cyclic annular plugging film of cyclic annular plugging film 20 is 3.2 ㎜.The thickness of the cyclic annular plugging film of cyclic annular plugging film 20 204 thickness are 1.3 ㎜.Cyclic annular the block film thickness remote apart from similar annular sidewall medial surface 11 of cyclic annular plugging film 20 is less than The close cyclic annular closure film thickness of the similar annular sidewall medial surface 11 of distance.

The fixing end 232 of sheet plugging film 23 is connect with ring-like inside sidewalls face 11, and sheet plugging film 23 is equipped with 4 Movable end 231, movable end 231 form cross.The upper surface of the sheet plugging film of 4 movable ends 231 of sheet plugging film 23 235 are collectively formed the recess of opening upwards.The 234 self-retaining end 232 of thickness of the sheet plugging film of sheet plugging film 23 is to activity End 231 is gradually reduced.The 234 thickness thickness of thickness of sheet plugging film is 1.5 ㎜, and the width 233 of sheet plugging film is 6 ㎜.

The test tube madial wall 92 that test tube 9 is located at opening portion 91 is equipped with annular groove 93.

It includes taking liquid part top 81 and taking liquid part lower part 82 to take liquid part 8, takes liquid part top 81 for liquid acquisition, takes liquid part Lower part 82 is connected with leakage barriers 1.

Leakage barriers 1 are placed in the opening portion 91 of test tube 9, the ring-like side-wall outer side face 12 of leakage barriers 1 and 92 examinations of test tube 9 Pipe madial wall is fitted close, and on the annular projection 14 on 1 ring-like side-wall outer side face 12 of leakage barriers and test tube madial wall 92 Annular groove 93 coordinate, for fixing leakage barriers 1, avoid leakage barriers 1 mobile during taking liquid part to insert or pull out or fall off.

It takes liquid part lower part 82 to be fitted close with leakage barriers 1, takes liquid part lower part 82 longitudinally through cyclic annular plugging film 20 and sheet Plugging film 23, and cyclic annular plugging film 20 and sheet plugging film 23 are not destroyed.Take liquid part lower outside face 821 and cyclic annular plugging film Medial surface 201 and sheet plugging film upper surface 235 be fitted close.

After taking liquid part 8 and leakage barriers 1 detach, cyclic annular plugging film 20 is resetted with sheet plugging film 23.Cyclic annular plugging film 20 Cover the 78% of the cross-sectional area in the channel that ring-like side wall 10 is enclosed.Cyclic annular plugging film 23 covers similar The 100% of the cross-sectional area in the channel that annular sidewall 10 is enclosed.Cyclic annular plugging film 20 prevents to try with sheet plugging film 23 Liquid leakage in pipe 9.

When test tube component(The ligand of test tube and leakage barriers)When upper detector detection, injected into test tube 9 in detector Gas makes in test tube during liquid blending, and the double-layer structures of leakage barriers 1 effectively prevents in test tube 9 liquid leakage to test tube 9 Outside.

Embodiment 4:Below in conjunction with the accompanying drawings 1, the present invention is described further by Fig. 2, Fig. 9, Figure 10:

Leakage barriers and test tube and the fit structure for taking liquid part, including leakage barriers 1, test tube 9 and take liquid part 8.

The different height in the ring-like inside sidewalls face 11 of 1 ring-like side wall 10 of leakage barriers is equipped with cyclic annular plugging film 20 With sheet plugging film 23.Cyclic annular plugging film 20 is located at the top of sheet plugging film 23.Cyclic annular plugging film 20 and sheet plugging film 23 Spacing 18 is 6.5 ㎜ on ring-like side wall.

Cyclic annular plugging film 20 is extended inwardly to form with cyclic annular plugging film 21 by ring-like side wall 10.Cyclic annular plugging film 20 Top is additionally provided with channel 13.

The ring-like side-wall outer side face 12 of 1 ring-like side wall 10 of leakage barriers is equipped with annular projection 14, annular projection The lateral surface 141 of 14 annular projection is arc surface.Annular projection 14 is extended outward to form by ring-like side wall 10.

Cyclic annular plugging film 20 and ring-like inside sidewalls face 11 form the downward groove 15 of longitudinal opening, groove 15 it is recessed Groove face 151 is curved surface.Cyclic annular plugging film 20 and the angle of ring-like side wall 10 are 66 °.Ring-like side wall internal diameter R is 12 ㎜.The width 203 of the cyclic annular plugging film of cyclic annular plugging film 20 is 2.6 ㎜.The thickness of the cyclic annular plugging film of cyclic annular plugging film 20 204 thickness are 0.98 ㎜.Cyclic annular the block film thickness remote apart from similar annular sidewall medial surface 11 of cyclic annular plugging film 20 is less than The close cyclic annular closure film thickness of the similar annular sidewall medial surface 11 of distance.

The fixing end 232 of sheet plugging film 23 is connect with ring-like inside sidewalls face 11, and sheet plugging film 23 is equipped with 4 Opening upwards are collectively formed in the upper surface 235 of movable end 231, the sheet plugging film of 4 movable ends 231 of sheet plugging film 23 Recess entreats hole 237 there are one setting in the valley.The 234 self-retaining end 232 of thickness of the sheet plugging film of sheet plugging film 23 is to work Moved end 231 is gradually reduced.The 234 thickness thickness of thickness of sheet plugging film is 1.0 ㎜, and the width 233 of sheet plugging film is 3.5 ㎜。

The test tube madial wall 92 that test tube 9 is located at opening portion 91 is equipped with annular groove 93.

It includes taking liquid part top 81 and taking liquid part lower part 82 to take liquid part 8, takes liquid part top 81 for liquid acquisition, takes liquid part Lower part 82 is connected with leakage barriers 1.

Leakage barriers 1 are placed in the opening portion 91 of test tube 9, the ring-like side-wall outer side face 12 of leakage barriers 1 and 92 examinations of test tube 9 Pipe madial wall is fitted close, and on the annular projection 14 on 1 ring-like side-wall outer side face 12 of leakage barriers and test tube madial wall 92 Annular groove 93 coordinate, for fixing leakage barriers 1, avoid leakage barriers 1 mobile during taking liquid part to insert or pull out or fall off.

It takes liquid part lower part 82 and leakage barriers 1 to be fitted close, takes the anti-of liquid part lower outside face 821 and 1 channel 13 of leakage barriers Missing part channel madial wall 131 is fitted close, and liquid part lower part 82 is taken to be blocked longitudinally through not in contact with cyclic annular plugging film 20 and sheet Film 23, and cyclic annular plugging film 20 and sheet plugging film 23 are not destroyed.

After taking liquid part 8 and leakage barriers 1 detach.It is logical to cover that ring-like side wall 10 is enclosed for cyclic annular plugging film 20 The 68% of the cross-sectional area in road.The channel that cyclic annular plugging film 23 covers the channel that ring-like side wall 10 is enclosed is horizontal The 83% of sectional area.Cyclic annular plugging film 20 can prevent liquid leakage in test tube 9 with sheet plugging film 23.

When test tube component(The ligand of test tube and leakage barriers)When upper detector detection, injected into test tube 9 in detector Gas makes in test tube during liquid blending, and the double-layer structures of leakage barriers 1 effectively prevents in test tube 9 liquid leakage to test tube 9 Outside.

Embodiment 5:3 the present invention is described further below in conjunction with the accompanying drawings:

The different height in the ring-like inside sidewalls face 11 of 1 ring-like side wall 10 of leakage barriers is equipped with cyclic annular plugging film 20 and ring Shape plugging film 21.Cyclic annular plugging film 20 is located at the top of cyclic annular plugging film 21.Cyclic annular plugging film 20 is with cyclic annular plugging film 21 in class It is 8.3 ㎜ like spacing on annular sidewall 18.

Cyclic annular plugging film 20 is extended inwardly to form with cyclic annular plugging film 21 by ring-like side wall 10.

Cyclic annular plugging film 20 and ring-like inside sidewalls face 11 form the downward groove 15 of longitudinal opening, groove 15 it is recessed Groove face 151 is arc surface.Cyclic annular plugging film 20 and the angle of ring-like side wall 10 are 39 °.Ring-like side wall internal diameter R is 12㎜.The width 203 of the cyclic annular plugging film of cyclic annular plugging film 20 is 3.0 ㎜.The thickness of the cyclic annular plugging film of cyclic annular plugging film 20 204 thickness are 1.3 ㎜.The width and thickness thickness of cyclic annular plugging film 21 are consistent with cyclic annular plugging film 20.Cyclic annular plugging film The similar annular sidewall medial surface 11 of 20 distances remote cyclic annular blocks film thickness, and to be less than the similar annular sidewall medial surface 11 of distance close Ring-type blocks film thickness.

Cyclic annular plugging film 20 covers the 75% of the cross-sectional area in the channel that ring-like side wall 10 is enclosed.

Cyclic annular plugging film 21 covers the 75% of the cross-sectional area in the channel that ring-like side wall 10 is enclosed.

The ring-like side-wall outer side face 12 of 1 ring-like side wall 10 of leakage barriers is equipped with anti-drop structure:

As shown in figure 3, anti-drop structure is annular projection 14, the lateral surface 141 of the annular projection of annular projection 14 is arc surface. Annular projection 14 is extended outward to form by ring-like side wall 10.

As shown in figure 11, anti-drop structure 16 can also be to be extended outwardly by ring-like side-wall outer side face 12 and extend still further below It is formed.

When test tube component(The ligand of test tube and leakage barriers)When upper detector detection, injected into test tube 9 in detector Gas makes in test tube during liquid blending, and the double-layer structures of leakage barriers 1 effectively prevents in test tube 9 liquid leakage to test tube 9 Outside.

Embodiment 6:5 the present invention is described further below in conjunction with the accompanying drawings:

The different height in the ring-like inside sidewalls face 11 of 1 ring-like side wall 10 of leakage barriers is equipped with sheet plugging film 22 and piece Shape plugging film 23.Sheet plugging film 22 is located at the top of sheet plugging film 23.Sheet plugging film 22 is with sheet plugging film 23 in class It is 12.5 ㎜ like spacing on annular sidewall 18.

Sheet plugging film 22 and sheet plugging film 23 are extended inwardly to form by ring-like side wall 10.Sheet plugging film 22 Fixing end 222 connect with ring-like inside sidewalls face 11, sheet plugging film 22 be equipped with 4 movable ends 221, movable end 221 Form cross.The fixing end 232 of sheet plugging film 23 is connect with ring-like inside sidewalls face 11, and sheet plugging film 23 is equipped with 4 movable ends 231, movable end 231 form cross.

Ring-like side wall internal diameter R is 12 ㎜.Sheet plugging film 22 is with sheet plugging film 23 in similar annular sidewall The remote cyclic annular film thickness that blocks in side 11 is less than the cyclic annular closure film thickness close apart from similar annular sidewall medial surface 11.

The 224 self-retaining end 222 of thickness of the sheet plugging film of sheet plugging film 22 is gradually reduced to movable end 221.Sheet The 224 thickness thickness of thickness of plugging film is 1.5 ㎜, and the width 223 of sheet plugging film is 6 ㎜.4 work of sheet plugging film 22 The recess of opening upwards is collectively formed in the upper surface 225 of the sheet plugging film of moved end 221.

The 234 self-retaining end 232 of thickness of the sheet plugging film of sheet plugging film 23 is gradually reduced to movable end 231.Sheet The 234 thickness thickness of thickness of plugging film is 1.5 ㎜, and the width 233 of sheet plugging film is 6 ㎜.4 work of sheet plugging film 23 The recess of opening upwards is collectively formed in the upper surface 235 of the sheet plugging film of moved end 231.

Sheet plugging film 22 covers the 100% of the cross-sectional area in the channel that ring-like side wall 10 is enclosed.Ring Shape plugging film 23 covers the 100% of the cross-sectional area in the channel that ring-like side wall 10 is enclosed.

Wherein, the ring-like side-wall outer side face 12 of 1 ring-like side wall 10 of leakage barriers is equipped with anti-drop structure.

As shown in figure 5, anti-drop structure is annular projection 14, the lateral surface 141 of the annular projection of annular projection 14 is circle Cambered surface.Annular projection 14 is extended outward to form by ring-like side wall 10.

As shown in figure 12, anti-drop structure 16 can also be to be extended outwardly by ring-like side-wall outer side face 12 and extend still further below It is formed.

When test tube component(The ligand of test tube and leakage barriers)When upper detector detection, injected into test tube 9 in detector Gas makes in test tube during liquid blending, and the double-layer structures of leakage barriers 1 effectively prevents in test tube 9 liquid leakage to test tube 9 Outside.

Embodiment 7:7 the present invention is described further below in conjunction with the accompanying drawings:

The different height in the ring-like inside sidewalls face 11 of 1 ring-like side wall 10 of leakage barriers is equipped with cyclic annular plugging film 20 and piece Shape plugging film 23.Cyclic annular plugging film 20 is located at the top of sheet plugging film 23.Cyclic annular plugging film 20 is with sheet plugging film 23 in class It is 9.5 ㎜ like spacing on annular sidewall 18.

Cyclic annular plugging film 20 is extended inwardly to form with cyclic annular plugging film 21 by ring-like side wall 10.

Cyclic annular plugging film 20 and ring-like inside sidewalls face 11 form the downward groove 15 of longitudinal opening, groove 15 it is recessed Groove face 151 is curved surface.Cyclic annular plugging film 20 and the angle of ring-like side wall 10 are 59 °.Ring-like side wall internal diameter R is 12 ㎜, i.e. channel internal diameter are 12 ㎜.The width 203 of the cyclic annular plugging film of cyclic annular plugging film 20 is 3.2 ㎜.Cyclic annular plugging film 20 204 thickness of thickness of cyclic annular plugging film is 1.6 ㎜.The ring remote apart from similar annular sidewall medial surface 11 of cyclic annular plugging film 20 Shape blocks the close cyclic annular closure film thickness of film thickness annular sidewall medial surface 11 similar less than distance.

The fixing end 232 of sheet plugging film 23 is connect with ring-like inside sidewalls face 11, and sheet plugging film 23 is equipped with 4 Movable end 231, movable end 231 form cross.The upper surface of the sheet plugging film of 4 movable ends 231 of sheet plugging film 23 235 are collectively formed the recess of opening upwards.The 234 self-retaining end 232 of thickness of the sheet plugging film of sheet plugging film 23 is to activity End 231 is gradually reduced.The 234 thickness thickness of thickness of sheet plugging film is 1.5 ㎜, and the width 233 of sheet plugging film is 6 ㎜.

Cyclic annular plugging film 20 covers the 78% of the cross-sectional area in the channel that ring-like side wall 10 is enclosed.Ring Shape plugging film 23 covers the 100% of the cross-sectional area in the channel that ring-like side wall 10 is enclosed.

Wherein, the ring-like side-wall outer side face 12 of 1 ring-like side wall 10 of leakage barriers is equipped with anti-drop structure.

As shown in fig. 7, anti-drop structure is annular projection 14, the lateral surface 141 of the annular projection of annular projection 14 is circle Cambered surface.Annular projection 14 is extended outward to form by ring-like side wall 10.Again as shown in figure 15, ring-like sidewall upper face 17 In the same plane with cyclic annular plugging film peak 205.The section of annular projection 14 as shown in figure 16 can also be triangle, cyclic annular The lateral surface 141 of the annular projection of protrusion 14 is inclined-plane.As shown in figure 13, anti-drop structure 16 can also be by ring-like side wall Lateral surface 12 extends outwardly to be extended to form still further below.

When test tube component(The ligand of test tube and leakage barriers)When upper detector detection, injected into test tube 9 in detector Gas makes in test tube during liquid blending, and the double-layer structures of leakage barriers 1 effectively prevents in test tube 9 liquid leakage to test tube 9 Outside.

Embodiment 8:9 the present invention is described further below in conjunction with the accompanying drawings:

The different height in the ring-like inside sidewalls face 11 of 1 ring-like side wall 10 of leakage barriers is equipped with cyclic annular plugging film 20 and piece Shape plugging film 23.Cyclic annular plugging film 20 is located at the top of sheet plugging film 23.Cyclic annular plugging film 20 is with sheet plugging film 23 in class It is 13 ㎜ like spacing on annular sidewall 18.

Cyclic annular plugging film 20 is extended inwardly to form with cyclic annular plugging film 21 by ring-like side wall 10.Cyclic annular plugging film 20 Top is additionally provided with channel 13.

Cyclic annular plugging film 20 and ring-like inside sidewalls face 11 form the downward groove 15 of longitudinal opening, groove 15 it is recessed Groove face 151 is curved surface.Cyclic annular plugging film 20 and the angle of ring-like side wall 10 are 66 °.Ring-like side wall internal diameter R is 12 ㎜.The width 203 of the cyclic annular plugging film of cyclic annular plugging film 20 is 2.6 ㎜.The thickness of the cyclic annular plugging film of cyclic annular plugging film 20 204 thickness are 0.98 ㎜.Cyclic annular the block film thickness remote apart from similar annular sidewall medial surface 11 of cyclic annular plugging film 20 is less than The close cyclic annular closure film thickness of the similar annular sidewall medial surface 11 of distance.

The fixing end 232 of sheet plugging film 23 is connect with ring-like inside sidewalls face 11, and sheet plugging film 23 is equipped with 4 Opening upwards are collectively formed in the upper surface 235 of movable end 231, the sheet plugging film of 4 movable ends 231 of sheet plugging film 23 Recess entreats hole 237 there are one setting in the valley.The 234 self-retaining end 232 of thickness of the sheet plugging film of sheet plugging film 23 is to work Moved end 231 is gradually reduced.The 234 thickness thickness of thickness of sheet plugging film is 1.0 ㎜, and the width 233 of sheet plugging film is 3.5 ㎜。

Cyclic annular plugging film 20 covers the 68% of the cross-sectional area in the channel that ring-like side wall 10 is enclosed.Ring Shape plugging film 23 covers the 91.5% of the cross-sectional area in the channel that ring-like side wall 10 is enclosed.

When test tube component(The ligand of test tube and leakage barriers)When upper detector detection, injected into test tube 9 in detector Gas makes in test tube during liquid blending, and the double-layer structures of leakage barriers 1 effectively prevents in test tube 9 liquid leakage to test tube 9 Outside.

Wherein, the ring-like side-wall outer side face 12 of 1 ring-like side wall 10 of leakage barriers is equipped with anti-drop structure.

As shown in fig. 7, anti-drop structure is annular projection 14, the lateral surface 141 of the annular projection of annular projection 14 is circle Cambered surface.Annular projection 14 is extended outward to form by ring-like side wall 10.

The section of annular projection 14 as shown in figure 16 can also be triangle, the lateral surface of the annular projection of annular projection 14 141 be inclined-plane.

As shown in figure 13, anti-drop structure 16 can also be to be extended outwardly by ring-like side-wall outer side face 12 and extend still further below It is formed.

Embodiment 9:17 the present invention is described further below in conjunction with the accompanying drawings:

The different height in the ring-like inside sidewalls face 11 of 1 ring-like side wall 10 of leakage barriers is equipped with cyclic annular plugging film 20 and piece Shape plugging film 23.Cyclic annular plugging film 20 is located at the top of sheet plugging film 23.Cyclic annular plugging film 20 is with sheet plugging film 23 in class It is 9.5 ㎜ like spacing on annular sidewall 18.

Cyclic annular plugging film 20 is extended inwardly to form with cyclic annular plugging film 21 by ring-like side wall 10.

Cyclic annular plugging film 20 and ring-like inside sidewalls face 11 form the downward groove 15 of longitudinal opening, groove 15 it is recessed Groove face 151 is curved surface.Cyclic annular plugging film 20 and the angle of ring-like side wall 10 are 59 °.Ring-like side wall internal diameter R is 12 ㎜, i.e. channel internal diameter are 12 ㎜.The width 203 of the cyclic annular plugging film of cyclic annular plugging film 20 is 3.2 ㎜.Cyclic annular plugging film 20 204 thickness of thickness of cyclic annular plugging film is 1.6 ㎜.The ring remote apart from similar annular sidewall medial surface 11 of cyclic annular plugging film 20 Shape blocks the close cyclic annular closure film thickness of film thickness annular sidewall medial surface 11 similar less than distance.

The fixing end 232 of sheet plugging film 23 is connect with ring-like inside sidewalls face 11, and sheet plugging film 23 is equipped with 4 Movable end 231, movable end 231 form cross.The upper surface of the sheet plugging film of 4 movable ends 231 of sheet plugging film 23 235 are collectively formed the recess of opening upwards.Cut-off rule 3 is equipped between adjacent mutual moved end 231, the length 31 of cut-off rule is 3 ㎜. 234 thickness of thickness of sheet plugging film is 1.5 ㎜, and the width 233 of sheet plugging film is 6 ㎜.

Cyclic annular plugging film 20 covers the 78% of the cross-sectional area in the channel that ring-like side wall 10 is enclosed.Ring Shape plugging film 23 covers the 100% of the cross-sectional area in the channel that ring-like side wall 10 is enclosed.

Wherein, the ring-like side-wall outer side face 12 of 1 ring-like side wall 10 of leakage barriers is equipped with anti-drop structure.

As shown in fig. 7, anti-drop structure is annular projection 14, the lateral surface 141 of the annular projection of annular projection 14 is circle Cambered surface.Annular projection 14 is extended outward to form by ring-like side wall 10.

When test tube component(The ligand of test tube and leakage barriers)When upper detector detection, injected into test tube 9 in detector Gas makes in test tube during liquid blending, and the double-layer structures of leakage barriers 1 effectively prevents in test tube 9 liquid leakage to test tube 9 Outside.

Embodiment 10:18,19 and 20 the present invention is described further below in conjunction with the accompanying drawings:

The different height in the ring-like inside sidewalls face 11 of 1 ring-like side wall 10 of leakage barriers is equipped with cyclic annular plugging film 20 and piece Shape plugging film 23.Cyclic annular plugging film 20 is located at the top of sheet plugging film 23.Cyclic annular plugging film 20 is with sheet plugging film 23 in class It is 10 ㎜ like spacing on annular sidewall 18.

Cyclic annular plugging film 20 is extended inwardly to form with cyclic annular plugging film 21 by ring-like side wall 10.Leakage barriers are integrated Molding.

Cyclic annular plugging film 20 forms the downward groove 15 of longitudinal opening with ring-like inside sidewalls face 11.Cyclic annular plugging film 20 and the angle of ring-like side wall 10 are 74 °.Ring-like side wall internal diameter R is 12 ㎜, i.e., channel internal diameter is 12 ㎜.

The fixing end 232 of sheet plugging film 23 is connect with ring-like inside sidewalls face 11, and sheet plugging film 23 is equipped with 1 Movable end 231.

Cyclic annular plugging film 20 covers the 78% of the cross-sectional area in the channel that ring-like side wall 10 is enclosed.Ring Shape plugging film 23 covers the 100% of the cross-sectional area in the channel that ring-like side wall 10 is enclosed.

Obliquely due to 23 movable end 231 of sheet plugging film, i.e. 23 movable end of sheet plugging film, 231 upper surface and loop-like 11 angle of shape inside sidewalls face is more than 90 °;And it is 12 ㎜ that movable end length d113mm, which is more than channel internal diameter,.Sheet plugging film 23 Gap width 4 is 1mm between 231 side of movable end and ring-like inside sidewalls face 11.When leakage barriers 1 and the cooperation of test tube 9, examination When having stored certain quantity of fluid in pipe 9, in test tube component(The ligand of test tube 9 and leakage barriers 1)When reverse, inclination or vibrations, Sheet plugging film 23 is received to opening end motion after pressure, since movable end length d1 is more than channel internal diameter, so sheet blocks Film 23 is after by the pressure of liquid, liquid thrust keep sheet plugging film 23 rapid and No leakage block channel.

In conjunction with Figure 19 and Figure 20 it is found that liquid part 8 is taken not destroy cyclic annular plugging film 20 and sheet when longitudinally through plugging film 23 original structure of plugging film.

When test tube component(The ligand of test tube 9 and leakage barriers 1)When upper detector detection, noted into test tube 9 in detector Enter gas, make in test tube during liquid blending, the double-layer structure of leakage barriers 1 effectively prevents liquid leakage in test tube 9 from extremely trying Outside pipe 9.

Experimental comparison's example:

Using the present invention(A)Fit structure, the present invention(B)Fit structure and the prior art(LZQ-01)Fit structure, In, it is 50 ° that leakage barriers material, which uses silica gel, hardness,.Test environment temperature:17°;Humidity:60%;Under the conditions of carry out experiment comparison.

Wherein:The present invention(A)Leakage barriers and test tube and take the fit structure of liquid part to be:

Leakage barriers and test tube and the fit structure for taking liquid part, leakage barriers include ring-like side wall and plugging film, and plugging film is by class It is extended inwardly to form like annular sidewall.It includes upper and lower part to take liquid part, takes liquid part top for liquid acquisition, takes liquid part lower part It is connected with the leakage barriers.The opening portion of leakage barriers and test tube is connected;Leakage barriers are equipped with plugging film at upper and lower two, ring Shape plugging film is located at the top of sheet plugging film.The cyclic annular plugging film madial wall of liquid part lower part and leakage barriers is taken to be fitted close, ring The width of shape plugging film is 4.2 ㎜, and cyclic annular plugging film thickness thickness is 1.5 ㎜, and ring-like side wall internal diameter is 12 ㎜;It is cyclic annular Plugging film is 39 °, 1.5 ㎜ of sheet plugging film thickness thickness with ring-like side wall angle, and plugging film covers ring-like side The cross-sectional area 100% that wall is enclosed.

Sheet plugging film is equipped with movable end and fixing end, and the movable end and the fixing end are integrated, the fixing end The ring-like side wall is connected, the movable end can be rotated relative to the fixing end.Sheet plugging film is equipped with 4 movable ends.

Wherein:The present invention(B)Leakage barriers and test tube and take the fit structure of liquid part to be:

Leakage barriers and test tube and the fit structure for taking liquid part, leakage barriers include ring-like side wall and plugging film, and plugging film is by class It is extended inwardly to form like annular sidewall.It includes upper and lower part to take liquid part, takes liquid part top for liquid acquisition, takes liquid part lower part It is connected with the leakage barriers.The opening portion of leakage barriers and test tube is connected;Leakage barriers are equipped with plugging film at upper and lower two, ring Shape plugging film is located at the top of sheet plugging film.The cyclic annular plugging film madial wall of liquid part lower part and leakage barriers is taken to be fitted close, ring The width of shape plugging film is 4.2 ㎜, and cyclic annular plugging film thickness thickness is 1.5 ㎜, and ring-like side wall internal diameter is 12 ㎜;It is cyclic annular Plugging film is 39 °, 1.5 ㎜ of sheet plugging film thickness thickness with ring-like side wall angle, and plugging film covers ring-like side The cross-sectional area 100% that wall is enclosed.

Sheet plugging film is equipped with movable end and fixing end, and the movable end and the fixing end are integrated, the fixing end The ring-like side wall is connected, the movable end can be rotated relative to the fixing end.Sheet plugging film is equipped with 1 movable end.

The prior art(LZQ-01)Fit structure is:

A kind of leakage barriers are with test tube and take the fit structure of liquid part, and leakage barriers include ring-like side wall and plugging film, the envelope Stifled film is extended inwardly to form by the ring-like side wall, and it includes upper and lower part to take liquid part, and liquid part top is taken to be adopted for liquid Collection takes liquid part lower part to be connected with the leakage barriers;The opening portion of the leakage barriers and test tube is connected;Leakage barriers are by hard Degree is made of 50 ° of silica gel.Sheet plugging film is equipped at the leakage barriers lower part one, sheet plugging film is equipped with movable end and fixation End, the movable end and the fixing end are integrated, and the fixing end connects the ring-like side wall, and the movable end can phase The fixing end is rotated.Sheet plugging film is equipped with 4 movable ends.

Liquid part lower outside wall is taken to be fitted close with leakage barriers top ring-like inside sidewalls wall, in ring-like side wall Diameter is 12 ㎜;Plugging film thickness thickness is 1.5 ㎜.The cross-sectional area that plugging film covering ring-like side wall is enclosed 100%。

It is 18 ㎜, the highly test tube for 105 ㎜ to take 200 identical test tubes, test tube top caliber, is in vitro injected After 8ml liquid, the present invention is set in the opening portion of 100 test tubes(A)Leakage barriers, in the opening portion of another 100 test tubes, setting is existing There is technology(LZQ-01)Leakage barriers ensure that leakage barriers are sealed at test tube cooperation.

One, liquid in pipe leakproof test:

The test tube after setting leakage barriers is placed with into after 55 °, 75 °, 90 ° of line tilt and stopping 300 seconds below test tube respectively Liquid pallet is contained, the amount of liquid to leak outside from test tube in 100 test tube lower trays is surveyed, is carried out using 0.1-1ml liquid meters It measures, liquid leakage situation in test tube:

Conclusion:When test tube tilts, there is the change of matter using leak proof technology of the present invention and the comparison of existing leak proof technology, solve The problem of liquid leakage.

Two, test tube drops experiment:

Respectively to the test tube equipped with different leakage barriers in the case of horizontality at height 100CM, test tube, free-falling is under it Liquid pallet is contained by side, measures after 100 test tubes are dropped the amount of liquid to leak outside from test tube in pallet below, using 0.1-1ml and 0.5-5ml liquid meters are measured.

Conclusion:Dropped in test tube, meet with vibrations when, the test tube of leakage barriers using the present invention compared to the prior art, Outer leaking liquid amount reduces 98% or more than the prior art under equal conditions, there is significant progress.

Three, liquid leak-proof is tested in leakage barriers:

With liquid meter respectively to using the present invention(A)The test tube component of leakage barriers, the present invention(B)The test tube component of leakage barriers With using the prior art(LZQ-01)The test tube component of leakage barriers carries out liquid filling.To the present invention(A)The test tube group of leakage barriers Part liquid filling is between the double-deck plugging film in ring-like side wall.To using the prior art(LZQ-01)The test tube group of leakage barriers Part liquid filling is above plugging film.After every test specimens inject 0.15ml liquid, so that test tube component is tilted 85 ° and stop 120 Second.

Conclusion:When taking liquid part to be detached with test tube component, liquid is taken at the connection cooperation of liquid part lower part in channel and with taking liquid The gobbet that part lower part is taken out of when extracting, can effectively be intercepted between two layers of plugging film of leakage barriers part, and of the invention is anti- Leakage technology and the comparison of existing leak proof technology have the change of matter, solve the problems, such as liquid leakage.

Four, ring-like inside sidewalls diameter and take liquid part lower part coordinate when effective tolerance interval value experiment:

Leakage barriers are set to the opening portion of test tube, and liquid part lower part and the leakage barriers of test tube component is taken to coordinate.

The outer diameter of liquid part lower part is taken to be more than on the inside of cyclic annular plugging film at minimum(Leakage barriers using the present invention)/ ring-like Inside sidewalls diameter(Using the leakage barriers of the prior art), ring-like inside sidewalls diameter does as unit of 0.02 ㎜ every time Liquid part is taken to be interference fitted with test tube component, the perpendicular shape of test tube is checked and taken in the pulling force of 1.2 N of test tube lower reaction after cooperation Whether fall off at liquid part and leakage barriers cooperation, such as falling off to continue to increase as unit of 0.02 ㎜ takes liquid part lower part to match with leakage barriers Outer diameter at conjunction takes in the pulling force of 1.2 N of test tube lower reaction and is not fallen off at liquid part lower part and leakage barriers cooperation until after cooperation, It is A to measure at this time and take the minimum effectively cooperation work difference between liquid part lower part and leakage barriers;Continued with 0.02 ㎜ based on A values Liquid part lower part and outer diameter at leakage barriers cooperation are taken for unit increase, required thrust reaches when liquid part lower part coordinates with leakage barriers 5N, it is B to take the outer diameter value at the lower part cooperation of liquid part at this time, and the value between A-B is:At cyclic annular plugging film inside diameter minimum/class Effective tolerance section when like annular sidewall inside diameter and liquid part lower part being taken to coordinate.

Conclusion:The prior art takes liquid part to take liquid part and leakage barriers less than the present invention with leakage barriers fit tolerance value range Fit tolerance value range, Measurement Allowance of the invention are the 300% of the prior art, and production requirement is relatively low, high yield rate, production Can be high, greatly improve efficiency.

Required thrust test when liquid part and leakage barriers five, being taken to be connected

In fit structure of the present invention and prior art fit structure, after taking liquid part lower outside to coordinate with leakage barriers, tolerance is same One range intervals in fit structure of the present invention, take the cyclic annular plugging film of liquid part lower part and leakage barriers and sheet plugging film closely to match It closes;Liquid part lower part is taken to coordinate with the conduit wall above plugging film and plugging film in the prior art.

The first step measures mean value A at 100 leakage barriers ring-type plugging film inside diameter minimums;Second step, preparation are outer Diameter is more than that 0.15 ㎜ of A are used for and cyclic annular plugging film fit inside takes liquid part lower outside wall;Third step is pushed and pulled with pointer-type Power meter(Model:NK-20)Holding test tube bottom promotes and takes vertically upward liquid part lower outside wall to coordinate, and takes and matches after the completion of cooperation Thrust maximum value during conjunction is that required thrust magnitude, identical process difference leakage barriers are tested 100 times and take mean value when connecting;To Upper same procedure measures the prior art and the present invention, required thrust when liquid part lower part being taken to coordinate with leakage barriers.

Conclusion:Liquid part is taken to use leakage barriers of the present invention with the thrust ratio needed for leakage barriers smoothly cooperation and take in the prior art Smoothly the required thrust of cooperation is big for liquid part.The required thrust of the present invention only has the 48% of prior art thrust, easily convenient.

Six, reduce the requirement for taking diameter at the connection cooperation of liquid part lower part, reduce the usage amount of material.

Test method is as follows:Under the premise of ensureing that test tube opening internal diameter is constant, leakage barriers of the invention cooperation takes The outer diameter of liquid part lower part is different from the outer diameter for taking liquid part lower part that the leakage barriers of the prior art coordinate, by the leakage barriers with the present invention Liquid part lower part is taken to be separated on liquid part from taking respectively with what the leakage barriers of the prior art coordinated, it is ensured that separates takes liquid part Lower part is contour.It weighs respectively, the difference taken between the weight of liquid part lower part for taking liquid part lower part weight and the prior art of the present invention To reduce the usage amount of material.

Conclusion:It takes liquid part lower part under the premise of height is identical with wall thickness, reduces and connect diameter at cooperation, equal to reducing The volume of liquid part lower part is taken, reduces by connection cooperation 40% materials'use amount, therefore the production material dosage of the present invention hands over existing skill Art is few.

Seven, the detection of injection molding cycle and yield rate:

In the case where coordinating identical test tube, liquid part lower diameter is taken to take liquid part lower part straight compared with the prior art due to the present invention Diameter is small.To the prior art and the present invention product mold that take liquid part lower part Wall thickness uniformity different(Same number)In the note of same model Selection process is carried out on molding machine platform(Board is debugged to rational production technology in advance)Production is produced to survey for 5 hours and be produced per hour Amount and every thousand product qualification rates.

Conclusion:Because using and leakage barriers of the present invention coordinate, take liquid part lower diameter to reduce, make to take the wall thickness of liquid part lower part compared with The prior art takes the uniform wall thickness of liquid part lower part, therefore high yield rate, yield rate improve 14%, and molding cycle shortens 36% substantially Improve production efficiency.

Eight, restorative test method:

Leakage barriers and the sealing of test tube opening portion coordinate, and annular projection and the cooperation fixation of test tube madial wall groove, prevent on the outside of leakage barriers Missing part is equipped with the double-deck plugging film, and sheet plugging film is located at the lower section of cyclic annular plugging film.Cyclic annular plugging film upper surface is inverted section The tip circle conical surface, it is 43 ° that cyclic annular plugging film forms upward angle with ring-like side wall, and plugging film thickness thickness is 0.9 ㎜, envelope Stifled membrane material is silica gel, and hardness is 50 °, and ring-like side wall internal diameter is 12 ㎜, is less than at annular membrane inside diameter minimum and takes liquid Outer diameter 0.19-0.22 ㎜ at the cooperation of part lower part take liquid part lower part to run through cyclic annular plugging film and sheet plugging film, hang down after cooperation Straight extract upwards takes liquid part, and the closure of deformation is observed in cyclic annular plugging film upward deformation during extraction takes liquid part after extraction Can film voluntarily restore, and the plugging film of each width repeats 50 times.

Conclusion:The ratio of cyclic annular plugging film width and ring-like side wall internal diameter takes liquid part lower part and ring when less than 35% The deformation that shape plugging film generates in separation process can voluntarily restore substantially after isolation, and ratio takes when being more than 35% under liquid part The ratio that the deformation that portion is generated with cyclic annular plugging film in separation process can voluntarily restore after isolation substantially reduces.

Nine, the restorative experiment of leakage barriers ring-type plugging film:

Leakage barriers and the sealing of test tube opening portion coordinate, annular projection and the cooperation fixation of test tube madial wall upper groove on the outside of leakage barriers, Leakage barriers are equipped with plugging film at two, and sheet plugging film is located at the lower section of cyclic annular plugging film.Cyclic annular plugging film upper surface is inverted Truncated cones face plugging film thickness thickness is most nearby from ring-like side wall, to be less than at annular membrane inside diameter minimum and take liquid 0.19 ㎜ of outer diameter at the cooperation of part lower part takes liquid part lower part through plugging film at two, is extracted vertically upward after cooperation and takes liquid part, The upward deformation of cyclic annular plugging film, is shown in that can the plugging film of deformation voluntarily restore, each during extraction takes liquid part after extraction The plugging film of width repeats 50 times.

Conclusion:Cyclic annular plugging film thickness thickness and plugging film width ratio take liquid part lower part and ring-type when more than 37% The deformation that plugging film generates in separation process can voluntarily restore substantially after isolation, and ratio takes liquid part lower part when being less than 37% The ratio that the deformation generated in separation process with cyclic annular plugging film can voluntarily restore after isolation can be improved 30% or more, effect Significantly.

Ten, test tube component drops experiment:

Leakage barriers and the sealing of test tube opening portion coordinate, annular projection and the cooperation fixation of test tube madial wall groove, ring on the outside of leakage barriers Shape plugging film upper surface is inverted truncated cones face, and the plugging film covers the channel that the ring-like side wall is enclosed Area be cross-sectional area 30%-60%.

It will be of the invention(The double-deck plugging film)Leakage barriers are placed in test tube opening portion, and the cyclic annular plugging film of leakage barriers is located at sheet envelope Above stifled film, test tube component 100 is completed in assembly, ensures that leakage barriers are sealed at test tube cooperation, is covered to cyclic annular plugging film anti- Test tube component from missing part to aisle spare different proportion in the case of horizontality at height 50CM, test tube, free-falling to its Lower tray is measured after 100 test tubes drop, and the liquid in pipe of how many branch can be flow to outside leakage barriers inside 100 test tubes.

Conclusion:The ratio that the ring-type plugging film covers the cross-sectional area that the ring-like side wall is enclosed is big Leak preventing effect is relatively good when 41%, and the passage cross sectional that the ring-like side wall is enclosed is covered in the cyclic annular plugging film Leak preventing effect can at least enhance 65% when the ratio of area is more than 40%, significant effect.

11, integrated shaping leak-proof part and seperated molding leakage barriers Cost comparisons

Cost accounting explanation:Respectively on the basis of preparing and assemble 10000 integrated shaping leak-proof parts and seperated molding leakage barriers To calculate the expense generated in entire manufacture and assembling process

Conclusion:The die cost and single product cost of integrated shaping leak-proof part only have seperated molding leakage barriers corresponding cost 50% and 49%, significantly reduce manufacturing cost.

12, integrated shaping leak-proof part and the comparison of Split leakage-proof part leak resistance

Leak resistance tests explanation:200 integrated shaping leak-proof parts and corresponding test tube are prepared respectively, and 200 seperated moldings are anti- Missing part(Form one)With corresponding test tube, leakage barriers are packed into 8ml test tubes opening portion, 7ml liquid is injected into test tube(Water) It is erected in poly- liquid disk for vertical 90 degree afterwards(Test tube opening portion is downward)It is kept for 12 hours, sees that whether there is or not leak for examination liquid in pipe.

Note:Integrated shaping leak-proof part is identical with Split leakage-proof part shape and size

Conclusion:Integrated shaping leak-proof part leak resistance is substantially better than Split leakage-proof part, and integrated shaping leak-proof can reach 100% liquid Without leaking, there are 6 to leak compared to split type leakage barriers, there is marked improvement.

Claims (10)

1. a kind of leakage barriers and test tube and the fit structure for taking liquid part, leakage barriers include the side wall and plugging film of ring-like, institute It states plugging film to be extended inwardly to form by the ring-like side wall, it includes upper and lower part to take liquid part, takes liquid part top for liquid Body acquires, and liquid part lower part is taken to be connected with the leakage barriers;The opening portion of the leakage barriers and test tube is connected;Its feature It is:What the leakage barriers were integrated, plugging film is equipped at the leakage barriers at least two, the plugging film at two is located at similar The different height of annular sidewall medial surface;It is described that liquid part lower part is taken longitudinally to intert the plugging film and closely match with the leakage barriers It closes and does not destroy the plugging film original structure;When it is described take liquid part and leakage barriers to detach after, the plugging film can prevent described Try the leakage of liquid between liquid in pipe and plugging film.
2. a kind of leakage barriers according to claim 1 and test tube and the fit structure for taking liquid part, it is characterised in that:At least one It is sheet to locate the plugging film, and sheet plugging film is equipped with movable end and fixing end, and the movable end and the fixing end are integrated, The fixing end connects the ring-like side wall, and the movable end can be rotated relative to the fixing end.
3. a kind of leakage barriers according to claim 1 and test tube and the fit structure for taking liquid part, which is characterized in that at least one It is ring-type to locate the plugging film, and the fixing end of cyclic annular plugging film is connected to ring-like inside sidewalls face.
4. a kind of leakage barriers according to claim 1 and test tube and the fit structure for taking liquid part, it is characterised in that:The envelope Stifled film includes for cyclic annular and sheet;Sheet plugging film is equipped with movable end and fixing end, the movable end and the fixing end It is integrated, the fixing end connects the ring-like side wall, and the movable end can be rotated relative to the fixing end;Ring-type blocks The fixing end of film is connected to ring-like inside sidewalls face;Cyclic annular plugging film is located at the top of sheet plugging film.
5. a kind of leakage barriers according to any one of claims 1 to 4 and test tube and the fit structure for taking liquid part, feature exist In the ring-type plugging film covers the area in the channel that the ring-like side wall is enclosed not less than cross-sectional area 40%。
6. a kind of leakage barriers according to any one of claims 1 to 4 and test tube and the fit structure for taking liquid part, feature exist In the plugging film includes cyclic annular plugging film, and the width of cyclic annular plugging film is not more than the 35% of ring-like side wall internal diameter.
7. a kind of leakage barriers according to any one of claims 1 to 4 and test tube and the fit structure for taking liquid part, feature exist In the plugging film includes cyclic annular plugging film, and the thickness thickness of the ring-type plugging film is more than the cyclic annular plugging film width 37%.
8. a kind of leakage barriers according to any one of claims 1 to 4 and test tube and the fit structure for taking liquid part, feature exist Be equipped with annular projection in the ring-like side-wall outer side face of, leakage barriers, the annular projection by ring-like side wall outside Side extends outward to form, and the opening portion of the test tube is equipped with the annular groove coordinated with annular projection, and the leakage barriers are placed in described The opening portion of test tube, ring-like side-wall outer side face coordinate with test tube madial wall, and the annular projection and the annular groove Cooperation.
9. a kind of leakage barriers, including ring-like side wall and plugging film, the plugging film is inwardly prolonged by the ring-like side wall It stretches to be formed, it is characterised in that:Plugging film is equipped at the leakage barriers at least two, the plugging film is located at ring-like inside sidewalls The different height in face;The leakage barriers are integrally formed, and object can be passed through longitudinally under the premise of not destroying the original structure of plugging film Plugging film is worn, the ring-like side-wall outer side, which is equipped with to match with test tube, shares anti-drop structure.
10. a kind of leakage barriers, including ring-like side wall and plugging film, the plugging film is inwardly prolonged by the ring-like side wall It stretches to be formed, it is characterised in that:Plugging film is equipped at the leakage barriers at least two, the plugging film is located at ring-like inside sidewalls The different height in face;The leakage barriers are integrally formed, and the plugging film being located above covers the ring-like side wall and encloses shape It is first at the cross-sectional area in channel, underlying plugging film covers the ring-like side wall and is enclosed the transversal of channel Face area is second, and the first is less than the second, and object does not destroy the original knot of the plugging film when longitudinally running through the plugging film Structure.
CN201710899622.6A 2017-03-09 2017-09-28 A kind of leakage barriers are with test tube and take the fit structure and leakage barriers of liquid part CN108568322A (en)

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