CN214553661U

CN214553661U - Test tube lid and test tube

Info

Publication number: CN214553661U
Application number: CN202120200350.8U
Authority: CN
Inventors: 喻晴; 陈翔; 周中人
Original assignee: Shanghai Miaoling Bioengineering Co ltd; Quicking Biotech Co ltd
Current assignee: Shanghai Miaoling Bioengineering Co ltd; Quicking Biotech Co ltd
Priority date: 2021-01-25
Filing date: 2021-01-25
Publication date: 2021-11-02
Anticipated expiration: 2031-01-25

Abstract

The utility model relates to a test tube cover and a test tube, which comprises a cover body; the cover body comprises an opening which penetrates through the cover body, a first sealing part arranged at one end of the opening, and a sealing elastic part arranged at one side of the first sealing part; the sealing elastic component comprises a scratch arranged on one side of the sealing elastic component far away from the first sealing component; under the condition that external force is applied to the sealing elastic component, the sealing elastic component protrudes towards the first sealing component at the position of the scratch; and under the condition that the external force disappears, the sealing elastic component resets. The sealing device has the advantages that under the condition that the cover body seals the pipe body, the first sealing part can seal the pipe body to prevent liquid in the pipe body from leaking; under the condition that solution needs to be added into the tube body, the injector penetrates through the scratch and breaks the first sealing part and extends into the tube body for injection, the operation of opening the cover is not needed, and pollution is avoided; the syringe is removed, the sealing elastic component is recovered, the tube body is sealed for the second time, and the operation is simple and convenient.

Description

Test tube lid and test tube

Technical Field

The utility model relates to a biochemical detection device technical field especially relates to a test tube lid and test tube.

Background

In vitro diagnosis or in vitro detection, a combination of a chromatography test paper and a test tube is usually used as a rapid diagnosis tool or a rapid detection tool in order to obtain a qualitative result quickly.

When a test tube is used, operations such as sample transfer and addition of a reaction solution are generally required. In the above-described operation, it is generally necessary to separate the test tube cap from the test tube, and then to transfer and add the solution. However, such operations are prone to sample contamination, solution leakage, etc., with undesirable consequences.

At present, no effective solution is provided for the problems that solutions need to be added by uncovering and effective secondary sealing cannot be carried out in the related art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a test tube lid and test tube to not enough among the prior art to need uncap in the solution correlation technique at least and add solution, can't carry out secondary seal's problem effectively.

In order to achieve the purpose, the utility model adopts the technical proposal that:

the first aspect of the present invention is to provide a test tube cover, which comprises a cover body;

the cover body includes:

an opening disposed through the cover;

a first sealing member provided at one end of the opening to seal the opening;

a sealing elastic member provided on one side of the first sealing member;

the sealing elastic component comprises a scratch which is arranged on one side of the sealing elastic component far away from the first sealing component;

wherein the sealing elastic member protrudes toward the first sealing member at a position of the scratch in a case where an external force is applied to the sealing elastic member; the sealing elastic member is restored in the case where the external force applied to the sealing elastic member is removed.

In some of these embodiments, the cover further comprises:

a first positioning member provided inside the opening, wherein the first sealing member is attached to the first positioning member, and wherein an inner diameter of the first positioning member is smaller than an inner diameter of the opening and smaller than an inner diameter of the first sealing member.

In some of these embodiments, the cover further comprises:

and the limiting component is arranged on one side of the sealing elastic component, which is far away from the first sealing component.

In some of these embodiments, the spacing member is a spacing ring;

wherein, the mar has an outcrop circle, stop part's internal diameter is not less than the external diameter of outcrop circle.

In some of these embodiments, the cover further comprises:

a first fitting member provided on an inner wall of the opening;

the limiting part comprises:

and a second fitting member provided on an outer wall of the stopper member, the second fitting member being fitted and connected to the first fitting member.

In some embodiments, the first engaging member is an engaging groove, and the second engaging member is an engaging convex ring.

In some of these embodiments, the cover further comprises:

the first sealing matching component is arranged on the outer wall of the cover body and used for being in interference fit with the pipe body through the first sealing matching component under the condition that the pipe body is sealed by the cover body.

In some of these embodiments, the first seal engagement member is a seal bead.

The second aspect of the present invention provides a test tube, which comprises a test tube cover and a tube body.

In some of these embodiments, the cover comprises:

a third fitting member provided on an outer wall of the lid body;

the body includes:

a fourth fitting member provided inside the pipe body;

wherein the third fitting member is fitted and connected to the fourth fitting member when the lid closes the pipe body.

In some embodiments, one of the third and fourth fitting parts is a fitting convex ring, and the other of the third and fourth fitting parts is a fitting concave groove.

In some embodiments, the sealing device further comprises a ventilation component and a first sealing matching component, wherein the ventilation component is arranged on the inner wall of the pipe orifice of the pipe body, and the first sealing matching component is arranged on the outer wall of the cover body; or, the ventilation component is arranged on the outer wall of the cover body, and the first sealing matching component is arranged on the inner wall of the pipe orifice of the pipe body;

wherein, in a case where the lid body primarily closes the pipe body, the vent member is in contact with the first seal engagement member, and the pipe body performs gas exchange with the outside of the pipe body through the vent member; under the condition that the cover body carries out secondary sealing on the pipe body, the ventilation component is not in contact with the first sealing fit component, and the pipe body and the cover body are in interference fit through the first sealing fit component.

In some embodiments, the sealing device further comprises a second sealing and matching part, wherein the second sealing and matching part is arranged on one of the inner wall of the nozzle of the pipe body and the outer wall of the cover body and is positioned at one end of the ventilation part;

wherein the first seal member is in contact with the second seal member with the tube body initially closed by the lid body, and the tube body is in gas exchange with the outside of the tube body through the ventilation member; under the condition that the cover body seals the pipe body for the second time, the pipe body and the cover body are in interference fit through the first sealing fit component and the second sealing fit component.

In some embodiments, the vent member is a plurality of vent grooves, and the plurality of vent grooves are distributed in an annular array on the inner wall of the nozzle of the tube body or the outer wall of the cover body.

In some of these embodiments, the first seal engagement member is a seal bead.

In some of these embodiments, the second seal engaging member is a seal bead.

In some of these embodiments, an anti-opening assembly is also included;

the cover body includes:

the skirt edge part is arranged on the outer wall of the cover body;

the opening-preventing assembly is arranged on the top end face of the pipe body and/or the skirt part of the cover body.

In some of these embodiments, the opening prevention assembly comprises:

the counter bore component is arranged at the pipe orifice of the pipe body;

wherein, under the condition that the cover body closes the tube body, the skirt part is positioned inside the counter bore part, and the top plane of the skirt part is not higher than that of the counter bore part; and/or

The opening prevention assembly includes:

the chamfering component is arranged on the outer wall of the skirt edge component;

wherein, in a case where the cover closes the pipe body, a width of a cross section of an upper end of the chamfering member is smaller than a width of a cross section of a lower end of the chamfering member.

In some of these embodiments, the opening prevention assembly further comprises:

the cover opening component is arranged on the counter bore component, the first end of the cover opening component is located on the inner wall of the counter bore component, and the second end of the cover opening component is located on the outer wall of the counter bore component or the upper wall of the counter bore component.

In some of these embodiments, the tubular body comprises:

the solution cavity is arranged inside the pipe body and used for placing functional solution.

In some of these embodiments, the tubular body further comprises:

the puncture assembly is arranged at the bottom of the solution cavity.

In some of these embodiments, the tubular body further comprises:

the body still includes:

the second positioning component is arranged at the bottom of the solution cavity, is connected with the bottom wall of the solution cavity and/or the side wall of the solution cavity, and is used for being connected with and/or contacted with the puncture assembly so as to perform central positioning and/or side positioning on the puncture assembly; and/or

The third positioning component is arranged at the bottom of the solution cavity, is connected with the bottom wall of the solution cavity and the inner wall of the solution cavity, and is used for contacting with the outer wall of the puncture assembly so as to laterally position the puncture assembly; and/or

The fourth positioning part is arranged on the inner wall of the solution cavity and used for positioning a sample tube placed in the solution cavity so that the bottom of the sample tube is opposite to the puncture assembly.

In some of these embodiments, the lancing assembly comprises:

a base member;

at least two broken pipe parts, broken pipe part sets up in the top of base member, broken pipe part includes:

a cutting element disposed above the breaker member;

the opening element is arranged below the pipe breaking component and is connected with the cutting element;

and the flow guide component is arranged between two adjacent pipe breaking components.

In some of these embodiments, the breaker member comprises:

a first breaker member, the first breaker member comprising:

a first cutting element disposed above the first rupture member;

a first opening element arranged below the first breaking member, positioned below the first cutting element and connected with the first cutting element;

and/or

A second breaker member, the second breaker member comprising:

a second cutting element disposed above the second breaker member;

a third cutting element disposed above the second breaker member, below the second cutting element, and connected to the second cutting element;

and the second opening element is arranged below the second pipe breaking part, is positioned below the third cutting element and is connected with the third cutting element.

In some of the embodiments, in a case where the breaking pipe member includes the first breaking pipe member and the second breaking pipe member, the number of the first breaking pipe members is equal to or not equal to the number of the second breaking pipe members.

In some embodiments, when the number of the first breaking pipe members is equal to the number of the second breaking pipe members, and the number of the first breaking pipe members and the number of the second breaking pipe members are both at least two, one second breaking pipe member is disposed between two adjacent first breaking pipe members, and one first breaking pipe member is disposed between two adjacent second breaking pipe members.

In some embodiments, the number of the first pipe breaking parts is 1, the number of the second pipe breaking parts is 2, and the diversion part is arranged between the first pipe breaking part and the second pipe breaking part and between the two second pipe breaking parts; or

The number of the first pipe breaking parts is 2, the number of the second pipe breaking parts is 1, and the diversion parts are arranged between the first pipe breaking parts and the second pipe breaking parts and between the two first pipe breaking parts.

In some of the embodiments, the number of the first breaking pipe parts is at least 2, the number of the second breaking pipe parts is at least 2, and the number of the first breaking pipe parts is equal to that of the second breaking pipe parts;

the second pipe breaking part is arranged between two adjacent first pipe breaking parts, and the first pipe breaking part is arranged between two adjacent second pipe breaking parts.

In some of these embodiments, the first cutting element comprises a first angled edge forming a first angle with a horizontal plane;

the second cutting element comprises a second angled edge that forms a second included angle with the horizontal plane;

the third cutting element comprises a third angled edge that forms a third angle with the horizontal plane;

wherein, the first included angle with the second included angle equals or is unequal, the first included angle with the third included angle equals or is unequal, the second included angle with the third included angle is unequal.

In some of these embodiments, the second included angle is less than the third included angle.

In some of these embodiments, the horizontal width of the first breaker member is equal to or different from the horizontal width of the second breaker member.

In some of these embodiments, the horizontal width of the first breaker member is smaller than the horizontal width of the second breaker member.

In some of these embodiments, the sum of the horizontal width of the first breaker member and the horizontal width of the second breaker member is less than or equal to the minimum horizontal width of the base member.

In some of these embodiments, the vertical height of the first breaker member is equal to the vertical height of the second breaker member.

In some of these embodiments, the distraction element is a distraction ramp or a distraction sphere.

In some of these embodiments, the lancing assembly further comprises:

a connection member provided inside the base member and communicating with an outside of the base member.

In some of these embodiments, the lancing assembly further comprises:

a fifth fitting part provided on an inner wall of the connection part.

In some embodiments, the fifth engaging component is an engaging convex ring and/or an engaging concave groove.

In some of these embodiments, the tubular body further comprises:

and a sixth fitting member provided on an outer wall of the second positioning member and fitted and connected to the fifth fitting member.

In some embodiments, the sixth engaging component is an engaging convex ring and/or an engaging concave groove.

In some of these embodiments, the tubular body further comprises:

and the sealing platform is arranged on the top end surface of the solution cavity in a surrounding manner.

In some of these embodiments, the tubular body further comprises:

and the second sealing component is arranged on the top end face of the sealing platform and used for sealing the solution cavity.

In some of these embodiments, the outer edge of the sealing land is spaced from the inner wall of the tube portion by a distance that is vertically above the bottom surface of the spout;

with the cover closing the tube portion, there is a spacing distance and/or a vertical distance between the top of the sealing platform and the bottom of the cover.

In some of these embodiments, the tubular body further comprises:

the scraping component is arranged in the solution cavity, the height of the scraping component is larger than 15mm, and the top point of the scraping component is arranged on a circumferential line with the diameter of 2.0-4.0 mm.

In some of these embodiments, the apex of the scraping element and the inner wall of the solution chamber form an inscribed circle having a diameter of 2.0-4.0 mm.

In some embodiments, the number of scraping elements is several, and the vertexes of several scraping elements surround to form an inscribed circle, and the diameter of the inscribed circle is 2.0-4.0 mm.

In some of these embodiments, the scraping elements are several, and the angle formed by adjacent scraping elements and the circle center of the solution chamber is less than 170 °.

In some embodiments, the solution chambers are provided in number, and each solution chamber is provided with a scraping element inside;

and the solution cavities are communicated or not communicated.

In some of these embodiments, the scraping element is triangular or trapezoidal in cross-section.

In some of these embodiments, the cross-sectional neps of the scraping element increase in particular from the top to the bottom thereof.

In some of these embodiments, the tubular body further comprises:

the test paper cavity is arranged inside the tube body and used for placing a biochemical detection device;

wherein, under the condition that the cover body seals the tube body, the solution cavity is communicated with the upper part of the test paper cavity, and a biochemical detection device arranged in the test paper cavity is not contacted with the inner wall of the cover body and the first sealing part.

In some of these embodiments, the outer edge of the test paper chamber is spaced from the inner wall of the tube portion by a distance greater than 0.4 mm.

In some of these embodiments, the cover further comprises:

a first locking member provided to an outer wall of the cover body;

the body still includes:

a second locking member provided to an outer wall of the pipe body;

wherein the first locking member cooperates with the second locking member when the cover closes the tube.

In some of these embodiments, further comprising:

the connector is respectively connected with the pipe body and the cover body, and the pipe body, the cover body and the connector are integrally formed;

wherein, under the condition that the lid seals the body, the connector is buckled.

In some of these embodiments, the linker comprises:

a third locking member provided to the connecting body;

and a fourth locking member provided to the connection body at one side of the third locking member, wherein the connection body is bent under a condition that the cover closes the pipe body, and the third locking member is engaged with the fourth locking member.

The utility model adopts the above technical scheme, compare with prior art, have following technological effect:

the utility model discloses a test tube cover and test tube, under the condition that the body is sealed by the cover body, the first sealing part can seal the body, prevent the liquid in the body from leaking; under the condition that the solution needs to be added into the tube body, the injection part of the injector with the solution penetrates through the scratch and breaks the first sealing part, and then extends into the tube body to inject the solution into the tube body, so that the cover opening operation is not needed, and the pollution is avoided; the injection is accomplished, removes the syringe, and sealed elastomeric element reconversion can carry out simple secondary seal, easy and simple to handle to the body.

Drawings

FIG. 1 is a schematic view of a cuvette according to example 1 of the present application;

fig. 2 is a plan view of a cover according to embodiment 1 of the present application;

fig. 3 is a sectional view of a cover according to embodiment 1 of the present application;

FIGS. 4a to 4c are schematic views of a scratch according to example 1 of the present application;

FIG. 5 is a partial cross-sectional view (unassembled) of a test tube according to example 2 of the present application;

FIG. 6 is a schematic view of a cuvette according to example 3 of the present application;

FIG. 7 is a cross-sectional view of a test tube according to example 3 of the present application;

FIGS. 8a to 8b are schematic views showing the state of use of a test tube according to example 3 of the present application;

FIG. 9 is a schematic view of a cuvette according to example 4 of the present application;

FIG. 10 is a cross-sectional view of a test tube according to example 4 of the present application;

FIGS. 11a to 11b are schematic views showing the state of use of a test tube according to example 4 of the present application;

FIG. 12 is a schematic view of a cuvette according to example 5 of the present application;

FIG. 13 is a cross-sectional view of a test tube according to example 5 of the present application;

FIGS. 14a to 14b are schematic views showing the state of use of a test tube according to example 5 of the present application;

FIG. 15 is a schematic view of a cuvette according to example 6 of the present application;

FIG. 16 is a cross-sectional view of a test tube according to example 6 of the present application;

FIGS. 17a to 17b are schematic views showing the state of use of a test tube according to example 6 of the present application;

FIG. 18 is a cross-sectional view of an unsealed state of the test tube according to example 10 of the present application;

FIG. 19 is a top view of the test tube according to example 10 of the present application in an unsealed state;

FIG. 20 is a cross-sectional view showing a closed state of a test tube according to example 10 of the present application;

fig. 21 is a top view of an unsealed state of the test tube according to example 11 of the present application:

FIG. 22 is a top view of a test tube according to example 12 of the present application in an unsealed state;

FIG. 23 is a sectional view showing a closed state of a test tube according to example 12 of the present application;

FIG. 24 is a cross-sectional view of an unsealed state of the test tube according to example 13 of the present application;

FIG. 25 is a sectional view showing a closed state of a test tube according to example 13 of the present application;

FIG. 26 is a cross-sectional view of an unsealed state of the test tube according to example 14 of the present application;

FIG. 27 is a sectional view showing a closed state of a test tube according to example 14 of the present application;

FIG. 28 is a cross-sectional view of an unsealed state of the test tube according to example 15 of the present application;

FIG. 29 is a sectional view showing a closed state of a test tube according to example 15 of the present application;

FIG. 30 is a top view of a cuvette according to example 16 of the present application;

FIG. 31 is a schematic partial view of the interior of a solution chamber according to example 16 of the present application;

FIG. 32 is a top view of a test tube according to example 17 of the present application;

FIG. 33 is a schematic partial view of the interior of a solution chamber according to example 17 of the present application;

FIG. 34 is a top view of a test tube according to example 18 of the present application;

FIG. 35 is a schematic partial view of the interior of a solution chamber according to example 18 of the present application;

fig. 36 is a schematic view (one) of a frac structure according to example 21 of the present application;

fig. 37 is a schematic view (two) of a breaker structure according to example 21 of the present application;

fig. 38 is a top view of a crush structure according to example 21 of the present application;

fig. 39 is a cross-sectional view of a crush structure according to example 21 of the present application;

fig. 40 is a schematic view (one) of a frac structure according to example 22 of the present application;

fig. 41 is a schematic diagram (two) of a crush structure according to example 22 of the present application;

fig. 42 is a top view of a breaker structure according to example 22 of the present application;

fig. 43 is a cross-sectional view of a crush structure according to example 22 of the present application;

fig. 44 is a schematic view (one) of a crush structure according to example 23 of the present application;

fig. 45 is a schematic view (two) of a crush structure according to example 23 of the present application;

fig. 46 is a top view of a crush structure according to example 23 of the present application;

fig. 47 is a cross-sectional view of a crush structure according to example 23 of the present application;

fig. 48 is a schematic view (one) of a frac structure according to example 24 of the present application;

fig. 49 is a schematic view (one) of a frac structure according to example 24 of the present application;

fig. 50 is a top view of a crush structure according to example 24 of the present application;

fig. 51 is a cross-sectional view of a crush structure according to example 24 of the present application;

fig. 52 is a schematic view of a crush structure according to example 25 of the present application;

fig. 53 is a bottom view of a crush structure according to example 25 of the present application;

fig. 54 is a cross-sectional view of a crush structure according to example 25 of the present application;

fig. 55 is a cross-sectional view (one) of a crush structure according to example 26 of the present application;

fig. 56 is a cross-sectional view (two) of a crush structure according to example 26 of the present application;

FIG. 57 is a sectional view of a second positioning member according to embodiment 26 of the present application;

FIG. 58 is a cross-sectional view of an unsealed state of a test tube according to example 27 of the present application;

FIG. 59 is a sectional view showing a closed state of a test tube according to example 27 of the present application;

FIG. 60 is a top view of a test tube according to example 28 of the present application;

FIG. 61 is a cross-sectional view of an unsealed state of a test tube according to example 28 of the present application;

FIG. 62 is a top view of a test tube according to example 29 of the present application;

FIG. 63 is a cross-sectional view of an unsealed state of a test tube according to example 29 of the present application;

FIG. 64 is a top view of a cuvette according to example 30 of the present application;

FIG. 65 is a cross-sectional view of a test tube according to example 30 of the present application in an unsealed state;

FIG. 66 is a top view of a cuvette according to example 31 of the present application;

FIG. 67 is a cross-sectional view of an unsealed state of the test tube according to example 31 of the present application;

FIG. 68 is a top view of a test tube according to example 32 of the present application;

FIG. 69 is a cross-sectional view of an unsealed state of a test tube according to example 32 of the present application;

FIG. 70 is a top view of a test tube according to example 33 of the present application;

FIG. 71 is a cross-sectional view of an unsealed state of a test tube according to example 33 of the present application;

FIG. 72 is a cross-sectional view of an unsealed state of a test tube according to example 34 of the present application;

FIG. 73 is a cross-sectional view of an unsealed state of a test tube according to example 35 of the present application.

Wherein the reference numerals are: 1. a cover body; 2. a pipe body; 3. a linker;

4. an opening; 5. a first seal member; 6. a sealing elastic member; 7. scratching; 8. a first positioning member; 9. a limiting component; 10. A first fitting member; 11. a second fitting member;

12. a first seal engagement member; 13. a third fitting member; 14. a fourth fitting member;

15. a ventilation member; 16. a second seal engagement member;

17. a skirt part; 18. an anti-opening assembly; 19. a counter bore component; 20. a chamfering member; 21. a lid opening part;

22. a solution chamber; 23. a test paper cavity;

24. a piercing assembly; 25. a second positioning member; 26. a third positioning member; 27. a fourth positioning member; 28. a base member; 29. A pipe breaking component; 30. a cutting element; 31. a distraction element; 32. a flow guide member; 33. a first pipe breaking part; 34. a first cutting element; 35. a first distraction element; 36. a second pipe breaking part; 37. a second cutting element; 38. a third cutting element; 39. a second distraction element; 40. a connecting member; 41. a fifth fitting member; 42. a sixth fitting member;

43. sealing the platform; 44. a second seal member;

45. a scraping member; 46. a through cavity;

47. a first locking member; 48. a second locking member;

49. a third locking member; 50. a fourth locking member.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

The present invention will be further described with reference to the accompanying drawings and specific embodiments, but the present invention is not limited thereto.

Example 1

This embodiment is the utility model discloses an exemplary embodiment, as shown in fig. 1, a test tube lid, including lid 1, lid 1 can seal body 2 to avoid the liquid in body 2 to flow from body 2.

As shown in fig. 2 to 3, the lid body 1 includes an opening 4, a first seal member 5, and a seal elastic member 6. The opening 4 is disposed through the upper and lower ends of the lid 1, the first sealing member 5 is disposed at one end of the opening 4 for sealing the lid 1, and the sealing elastic member 6 is disposed on the upper end surface of the first sealing member 5 and covers the first sealing member 5.

The sealing elastic member 6 includes a score 7, and the score 7 is provided on a side of the sealing elastic member 6 remote from the first sealing member 5. Specifically, the scratches 7 are provided on the upper end surface of the seal elastic member 6.

Wherein, the scratch 7 is arranged through the upper and lower ends of the sealing elastic component 6.

In one embodiment, the score 7 is formed by at least three dividing slits, and the first ends of the plurality of dividing slits are connected to form a shape diverging outwardly from a center point. If the number of the separation seams is n (n is a natural number which is more than or equal to 3), the included angle formed by two adjacent separation seams is 360 degrees/n.

Generally, the preferred number of separating slits is 3 to 5, i.e. the score 7 is in the shape of a triangle star (fig. 4a), a cross (fig. 4b), a pentagram star (fig. 4 c).

In order to facilitate the installation of the first sealing member 5, the cover 1 further includes a first positioning member 8, and the first positioning member 8 is disposed inside the opening 4 and is integrally formed with the opening 4. The first seal member 5 is attached to the upper end surface of the first positioning member 8, and the inner diameter of the first positioning member 8 is smaller than the inner diameter of the opening 4 and the inner diameter of the first seal member 5.

In one embodiment, the first locating feature 8 is a mounting boss.

In order to limit the position of the elastic sealing member 6 and prevent the elastic sealing member 6 from falling off, the cover body 1 further includes a limiting member 9, and the limiting member 9 is disposed on a side of the elastic sealing member 6 away from the first sealing member 5, that is, on an upper end surface of the elastic sealing member 6. Wherein, the spacing component 9 is connected with the cover body 1 to limit the sealing elastic component 6 from displacement in the vertical direction.

In one embodiment, the stop member 9 is a stop collar. Wherein, the scratch 7 has an outcut circle, and the inner diameter of the limiting part 9 is not less than the outer diameter of the outcut circle.

In one embodiment, the stopper 9 is engaged with the lid 1. Specifically, the cover 1 includes a first fitting member 10, and the first fitting member 10 is provided on the inner wall of the opening 4 and above the first positioning member 8. The stopper member 9 includes a second fitting member 11, and the second fitting member 11 is provided on an outer wall of the stopper member 9. When the stopper member 9 is connected to the lid 1, the first engaging member 10 is engaged with the second engaging member 11 to improve the connection strength between the stopper member 9 and the lid 1, thereby preventing the stopper member 9 from falling off.

In one embodiment, the first engaging member 10 is an engaging recess, and the second engaging member 11 is an engaging projection.

In one embodiment, the first sealing member 5 is a sealing membrane, such as an aluminum foil membrane.

In one embodiment, the sealing elastic member 6 is made of any one or a combination of plastic, rubber, silicon, and the like.

The utility model discloses a use method does: the cover body 1 is arranged for sealing the pipe body 2 (such as inner insertion type assembly, thread type assembly, outer insertion type assembly and the like); after an injection part (such as a needle head) of the injector carrying the solution passes through the scratch 7 and the first sealing part 5 is poked, the injection part extends into the tube body 2, and the solution is injected into the tube body 2; after the injection is completed, the syringe is removed, and the sealing elastic member 6 is restored, at this time, although the first sealing member 5 is broken, the sealing elastic member 6 shields the broken first sealing member 5, and the tube body 2 is again brought into a sealing state.

Example 2

This embodiment is a modified embodiment of the cap 1 of embodiment 1.

In this embodiment, as shown in fig. 5, the cover body 1 further includes a first sealing engagement component 12, and the first sealing engagement component 12 is disposed on an outer wall of the cover body 1, and is used for performing interference fit between the first sealing engagement component 12 and an inner wall of a pipe orifice of the pipe body 2 when the cover body 1 closes the pipe body 2, so as to improve connection strength between the cover body 1 and the pipe body 2.

Further, the cover 1 further includes a third engaging member 13, and the third engaging member 13 is disposed on the outer wall of the cover 1 and above the first seal engaging member 12. The pipe body 2 further includes a fourth fitting part 14, and the fourth fitting part 14 is fitted to the inner wall of the pipe opening of the pipe body 2, and is connected to the third fitting part 13 in a fitting manner when the pipe body 2 is closed by the lid body 1.

In one embodiment, the third engaging member 13 is an engaging convex ring, and the fourth engaging member 14 is an engaging concave groove.

In one embodiment, the third engaging part 13 is an engaging groove, and the fourth engaging part 14 is an engaging convex ring.

In the present embodiment, the connection strength between the lid 1 and the pipe body 2 is improved by the interference fit and the fitting connection, and the lid 1 and the pipe body 2 are prevented from being separated from each other when the lid 1 closes the pipe body 2.

Example 3

This example is a test tube comprising the test tube cap of example 1.

As shown in FIGS. 6-7, a test tube comprises a cover body 1, a tube body 2 and a connector 3, wherein the tube body 2 is connected with the cover body 1 through the connector 3, and the cover body 1, the tube body 2 and the connector 3 are integrally formed by injection molding.

The tube body 2 includes a ventilation member 15 disposed on an inner wall of the tube opening of the tube body 2, and is configured to enable the inside and the outside of the tube body 2 to exchange gas through the ventilation member 15 when the tube body 2 is in a semi-closed state, such as vacuum pumping operation and keeping the internal and external pressures of the tube body 2 consistent.

In some embodiments, the ventilation member 15 is a plurality of ventilation grooves distributed in an annular array on the inner wall of the nozzle of the tube body 2, the inner diameter of each ventilation groove is equal to the inner diameter of the nozzle of the tube body 2, and the outer diameter of each ventilation groove is smaller than the outer diameter of the nozzle of the tube body 2.

The cover body 1 comprises a first sealing matching part 12 arranged on the outer wall of the cover body 1, and is used for being in interference fit with the inner wall of the pipe orifice of the pipe body 2 under the condition that the cover body 1 completely seals the pipe body 2, so that gas exchange between the inside of the pipe body 2 and the outside of the pipe body 2 is prevented.

In some of these embodiments, the first seal engagement member 12 is an annular projection having an outer diameter greater than the inner diameter of the nozzle of the tubular body 2.

In some of these embodiments, the outer diameter of the first seal-fitting member 12 is smaller than the outer diameter of the vent member 15, i.e. during the process of closing the tube body 2 by the cap body 1, the first seal-fitting member 12 is inserted into the vent member 15, but the first seal-fitting member 12 cannot close the vent member 15.

Connector 3 is the connecting strip, makes body 2 be connected with 1 integral type of lid, avoids appearing because of split type design leads to needing the manual work to carry out the problem assembled body 2 and lid 1, reduces production processes, improves production efficiency.

The method of use of this example is as follows: as shown in fig. 8a, the cover 1 closes the tube 2 for the first time (semi-closed state), the first seal engaging member 12 of the cover 1 is fitted into the ventilation member 15 of the tube 2, and the outside diameter of the first seal engaging member 12 is smaller than the outside diameter of the ventilation member 15, so that the inside of the tube 2 can exchange gas with the outside of the tube 2 through the ventilation member 15; as shown in fig. 8b, the cover 1 continues to move downward, the cover 1 closes the tube 2 for the second time (completely closed state or sealed state), the first seal-engaging member 12 of the cover 1 is in interference fit with the inner wall of the tube 2 located below the vent member 15, and at this time, the inside of the tube 2 and the outside of the tube 2 cannot exchange gas, so that the test tube convenient for secondary sealing is in a sealed state.

The utility model discloses an use the scene as follows: when the sample is freeze-dried, the semi-closed state is utilized, so that water or solvent in the test tube convenient for secondary sealing can be discharged to the outside of the test tube convenient for secondary sealing through the ventilation part 15; after freeze-drying accomplishes, exert a decurrent pressure to lid 1 to accomplish the sealed of the secondary seal's of being convenient for test tube, can avoid steam reentrant to the inside of the secondary seal's of being convenient for test tube. This test tube convenient to secondary seal is easy and simple to handle, utilizes the two-stage to seal, can solve the problem that the drying back becomes damp, absorbs water.

Example 4

In this embodiment, which is a modified embodiment of embodiment 3, as shown in fig. 9 to 10, a test tube convenient for secondary sealing includes a cover 1, a tube 2 and a connector 3, the tube 2 is connected to the cover 1 through the connector 3, and the cover 1, the tube 2 and the connector 3 are integrally injection molded.

The structure and connection relationship of the cover 1 and the connector 3 are substantially the same as those of embodiment 1, and are not described herein again.

The pipe body 2 comprises a ventilation component 15 arranged on the inner wall of the pipe opening of the pipe body 2 and a second sealing matching component 16 arranged on the inner wall of the pipe opening of the pipe body 2. The ventilation part 15 is used for exchanging gas between the inside and the outside of the tube body 2 through the ventilation part 15 when the tube body 2 is in a semi-closed state, such as vacuumizing operation and keeping the internal and external pressure of the tube body 2 consistent; the second seal engaging member 16 is disposed below the vent member 15, and is used for positioning the first seal engaging member 12 above the second seal engaging member 16 when the pipe body 2 is in the semi-closed state, and positioning the first seal engaging member 12 below the second seal engaging member 16 when the pipe body 2 is in the fully closed state.

The structure and connection relationship of the ventilation member 15 are substantially the same as those of embodiment 1, and are not described herein again.

Wherein the first seal engaging member 12 is a seal ring, and the second seal engaging member 16 is a seal ring.

Wherein the second seal engaging member 16 has an inner diameter smaller than an outer diameter of the first seal engaging member 12.

The method of use of this example is as follows: as shown in fig. 11a, the cover body 1 is used for carrying out a first sealing (semi-sealing) of the tube body 2, the first seal-fitting component 12 of the cover body 1 is located above the second seal-fitting component 16 of the tube body 2, and because the outer diameter of the first seal-fitting component 12 is larger than the inner diameter of the second seal-fitting component 16, the first seal-fitting component 12 does not carry out interference fit with the inner wall of the tube mouth of the tube body 2 under the blocking of the second seal-fitting component 16, and the inside of the tube body 2 can exchange gas with the outside of the tube body 2 through the ventilation component 15; as shown in fig. 11b, the lid 1 continues to move downward, the lid 1 closes the tube 2 for the second time (completely closed state or sealed state), the first seal-engaging member 12 of the lid 1 passes over the second seal-engaging member 16 of the tube 2 and then is in interference fit with the inner wall of the tube 2 located below the vent member 15, at this time, under the action of the first seal-engaging member 12 and the second seal-engaging member 16, gas exchange cannot be performed between the inside of the tube 2 and the outside of the tube 2, so that the test tube convenient for secondary sealing is in a sealed state.

The advantage of this embodiment lies in, can play the positioning action with the sealed cooperation part of second, and convenient to use person judges the airtight state of lid and body according to the different positions of the sealed cooperation part of first to satisfy the test tube of the secondary seal of being convenient for ventilate and the airtight different states's of the test tube of the secondary seal of being convenient for switching.

Example 5

In this embodiment, which is a modified embodiment of embodiment 3, as shown in fig. 12 to 13, a test tube convenient for secondary sealing includes a cover 1, a tube 2 and a connector 3, the tube 2 is connected to the cover 1 through the connector 3, and the cover 1, the tube 2 and the connector 3 are integrally injection-molded.

The structure and connection relationship of the connector 3 are substantially the same as those of embodiment 1, and are not described herein again.

The lid body 1 includes a first seal engagement member 12 and a third fitting member 13 provided on the outer wall of the lid body 1. The first sealing and matching component 12 is used for being in interference fit with the fourth embedding component 14 under the condition that the cover body 1 semi-seals the pipe body 2 and is used for being in interference fit with the inner wall of the pipe orifice of the pipe body 2 under the condition that the cover body 1 completely seals the pipe body 2, so that gas exchange between the inside of the pipe body 2 and the outside of the pipe body 2 is prevented; the third fitting member 13 is not in contact with the first seal engagement member 12, and is adapted to be fitted with the pipe body 2 in a state where the cover body 1 completely encloses the pipe body 2.

The structure and connection relationship of the first seal-fitting member 12 are substantially the same as those in embodiment 1, and are not described herein again.

In some of these embodiments, the third fitting part 13 has a fitting projection smaller than the outer diameter of the first seal fitting part 12.

The pipe body 2 includes a ventilation member 15 provided on the inner wall of the pipe opening of the pipe body 2 and a fourth fitting member 14 provided on the inner wall of the pipe opening of the pipe body 2. The ventilation part 15 is used for exchanging gas between the inside and the outside of the tube body 2 through the ventilation part 15 when the tube body 2 is in a semi-closed state, such as vacuumizing operation and keeping the internal and external pressure of the tube body 2 consistent; the fourth fitting member 14 is connected to the ventilation member 15, and is fitted to the lid 1 for the first time when the pipe body 2 is in the semi-closed state, and is fitted to the third fitting member 13 when the pipe body 2 is in the fully closed state.

In some of the embodiments, the fourth engaging member 14 is an engaging groove having an inner diameter equal to the inner diameter of the nozzle of the tube body 2, an outer diameter smaller than the outer diameter of the nozzle of the tube body 2 and smaller than the outer diameter of the vent member 15, and an outer diameter equal to the outer diameter of the third engaging member 13.

The method of use of this example is as follows: as shown in fig. 14a, the lid body 1 closes the tube body 2 for the first time (semi-closed state), the first seal engaging member 12 of the lid body 1 engages with the fourth engaging member 14 of the tube body 2, and the outside diameter of the first seal engaging member 12 is smaller than the outside diameter of the ventilation member 15, so that the inside of the tube body 2 can exchange gas with the outside of the tube body 2 through the ventilation member 15; as shown in fig. 14b, the lid 1 continues to move downward, the lid 1 closes the tube 2 for the second time (completely closed state or sealed state), the first seal-engaging member 12 of the lid 1 is in interference fit with the inner wall of the tube 2 located below the vent member 15, and the third engaging member 13 of the lid 1 is engaged with the fourth engaging member 14 of the tube 2, at this time, the inside of the tube 2 cannot exchange gas with the outside of the tube 2, so that the test tube for facilitating secondary sealing is in a sealed state.

The advantage of this embodiment lies in, utilizes third gomphosis part and fourth gomphosis part to carry out the gomphosis and is connected, under the dual function that interference fit and gomphosis are connected, increases substantially the degree of difficulty of lid and body separation, avoids under the complete totally closed body's of lid condition, lid and body separation.

Example 6

In this embodiment, which is a modified embodiment of embodiment 5, as shown in fig. 15 to 16, a test tube convenient for secondary sealing includes a cover 1, a tube 2 and a connector 3, the tube 2 is connected to the cover 1 through the connector 3, and the cover 1, the tube 2 and the connector 3 are integrally injection molded.

The structure and connection relationship of the connector 3 are substantially the same as those of embodiment 3, and are not described herein again.

The lid body 1 includes a ventilation member 15 provided on the outer wall of the lid body 1 and a third fitting member 13 provided on the outer wall of the lid body 1. The ventilation part 15 is used for exchanging gas between the inside and the outside of the tube body 2 through the ventilation part 15 when the tube body 2 is in a semi-closed state, such as vacuumizing operation and keeping the internal and external pressure of the tube body 2 consistent; the third fitting member 13 is connected to the ventilation member 15, and is adapted to be fitted with the first seal-fitting member 12 for the first time when the pipe body 2 is in the semi-closed state, and to be fitted with the pipe body 2 for the second time when the pipe body 2 is in the completely closed state.

In some of the embodiments, the ventilation member 15 is a plurality of ventilation grooves distributed in an annular array on the outer wall of the cover body 1, each ventilation groove has an outer diameter equal to the outer diameter of the cover body 1, and each ventilation groove has an inner diameter larger than the inner diameter of the cover body 1.

In some of these embodiments, the third engaging member 13 is an engaging groove having an inner diameter larger than that of the ventilation member 15.

The pipe body 2 includes a first seal fitting part 12 provided on the inner wall of the pipe opening of the pipe body 2 and a fourth fitting part 14 provided on the inner wall of the pipe opening of the pipe body 2. The first seal fitting component 12 is used for being embedded with the cover body 1 when the pipe body 2 is in a semi-closed state, and is used for being in interference fit with the cover body 1 when the pipe body 2 is in a completely closed state; the fourth fitting member 14 is not in contact with the first seal engagement member 12, and is adapted to be fitted to the third fitting member 13 in a completely closed state of the pipe body 2.

In some of these embodiments, the first seal engaging member 12 is an annular projection having an inner diameter smaller than the inner diameter of the nozzle of the tubular body 2.

In some embodiments, the fourth engaging member 14 is an engaging protrusion having an inner diameter smaller than the inner diameter of the nozzle of the tube body 2 and larger than the inner diameter of the first seal engaging member 12.

In some of these embodiments, the inner diameter of the first seal-fitting member 12 is larger than the inner diameter of the vent member 15, i.e. during the process of closing the tube body 2 by the cap body 1, the first seal-fitting member 12 is inserted into the vent member 15, but the first seal-fitting member 12 cannot close the vent member 15.

The method of use of this example is as follows: as shown in fig. 17a, the lid body 1 closes the tube body 2 for the first time (semi-closed state), the first seal engaging member 12 of the tube body 2 is engaged with the third engaging member 13 of the lid body 1, and the inside of the tube body 2 can exchange gas with the outside of the tube body 2 through the vent member 15 because the inside diameter of the first seal engaging member 12 is larger than the inside diameter of the vent member 15; as shown in fig. 17b, the lid 1 continues to move downward, the lid 1 closes the tube 2 for the second time (completely closed state or sealed state), the first seal-engaging member 12 of the tube 2 is in interference fit with the outer wall of the lid 1 located above the vent member 15, and the third engaging member 13 of the lid 1 is engaged with the fourth engaging member 14 of the tube 2, at this time, the inside of the tube 2 cannot exchange gas with the outside of the tube 2, so that the test tube convenient for secondary sealing is in a sealed state.

Example 7

This embodiment is a modification of embodiment 4. The utility model provides a test tube convenient to secondary seal, includes lid 1, body 2 and connector 3, and body 2 passes through connector 3 and is connected with lid 1, and lid 1, body 2 and the 3 integrative injection moulding of connector.

The pipe body 2 includes a first sealing engagement member 12 provided on an inner wall of the pipe opening of the pipe body 2. The first seal-fitting member 12 is configured to be fitted to the lid 1 when the tube 2 is in a semi-closed state, and to be in interference fit with the lid 1 when the tube 2 is in a fully-closed state.

The lid body 1 includes a ventilation member 15 provided on the outer wall of the lid body 1 and a second seal engagement member 16 provided on the outer wall of the lid body 1. The ventilation part 15 is used for exchanging gas between the inside and the outside of the tube body 2 through the ventilation part 15 when the tube body 2 is in a semi-closed state, such as vacuumizing operation and keeping the internal and external pressure of the tube body 2 consistent; the second seal engagement member 16 is disposed above the vent member 15, and is configured such that the first seal engagement member 12 is located below the second seal engagement member 16 when the pipe body 2 is in the semi-closed state, and the first seal engagement member 12 is located above the second seal engagement member 16 when the pipe body 2 is in the fully closed state.

In some of these embodiments, the vent member 15 is an annular vent groove, the outer diameter of the vent member 15 is equal to the outer diameter of the cap body 1, and the inner diameter of the vent member 15 is smaller than the inner diameter of the cap body 1.

The method of use of this example is as follows: the cover body 1 is used for sealing the pipe body 2 for the first time (in a semi-closed state), the second sealing matching part 16 of the cover body 1 is positioned above the first sealing matching part 12 of the pipe body 2, and because the outer diameter of the first sealing matching part 12 is larger than the inner diameter of the second sealing matching part 16, the first sealing matching part 12 cannot be in interference fit with the outer wall of the cover body 1 under the blocking of the second sealing matching part 16, and the inside of the pipe body 2 can exchange gas with the outside of the pipe body 2 through the ventilation part 15; lid 1 continues downstream, lid 1 carries out the secondary closure (totally enclosed state or encapsulated situation) to body 2, the first sealed cooperation part 12 of body 2 cross behind the sealed cooperation part 16 of second of lid 1 with the outer wall interference fit of the lid 1 that is located the part 15 top of ventilating, at this moment, under the effect of the sealed cooperation part 16 of first sealed cooperation part 12 and second, the inside of body 2 and the outside of body 2 can't carry out gas exchange, thereby make the test tube of the secondary seal of being convenient for be in encapsulated situation.

Example 8

This example is a combination of example 4 and example 5. The utility model provides a test tube convenient to secondary seal, includes lid 1, body 2 and connector 3, and body 2 passes through connector 3 and is connected with lid 1, and lid 1, body 2 and the 3 integrative injection moulding of connector.

The tube body 2 includes an air vent member 15 provided on the inner wall of the tube opening of the tube body 2, a second seal fitting member 16 provided on the inner wall of the tube opening of the tube body 2, and a fourth fitting member 14 provided on the inner wall of the tube opening of the tube body 2. The ventilation part 15 is used for exchanging gas between the inside and the outside of the tube body 2 through the ventilation part 15 when the tube body 2 is in a semi-closed state, such as vacuumizing operation and keeping the internal and external pressure of the tube body 2 consistent; the second seal fitting part 16 is arranged below the ventilation part 15, and is used for enabling the first seal fitting part 12 to be located above the second seal fitting part 16 when the pipe body 2 is in a semi-closed state, and enabling the first seal fitting part 12 to be located below the second seal fitting part 16 when the pipe body 2 is in a fully closed state; the fourth fitting member 14 is connected to the ventilation member 15, and is used for fitting with the lid 1 for the first time when the pipe body 2 is in the semi-closed state and fitting with the lid 1 for the second time when the pipe body 2 is in the fully closed state.

The structure and connection relationship of the vent part 15 are substantially the same as those of embodiment 1, the structure and connection relationship of the second seal fitting part 16 are substantially the same as those of embodiment 2, and the structure and connection relationship of the fourth engaging part 14 are substantially the same as those of embodiment 3, and thus, the description thereof is omitted.

The lid body 1 includes a first seal engagement member 12 and a third fitting member 13 provided on the outer wall of the lid body 1. The first sealing and matching component 12 is used for being in interference fit with the fourth embedding component 14 under the condition that the cover body 1 semi-seals the pipe body 2 and is used for being in interference fit with the inner wall of the pipe orifice of the pipe body 2 under the condition that the cover body 1 completely seals the pipe body 2, so that gas exchange between the inside of the pipe body 2 and the outside of the pipe body 2 is prevented; the third fitting member 13 is not in contact with the first seal engagement member 12, and is adapted to be fitted with the fourth fitting member 14 when the lid body 1 completely encloses the pipe body 2.

The structure and connection relationship of the first seal-fitting component 12 and the third fitting component 13 are substantially the same as those in embodiment 3, and are not described herein again.

The method of use of this example is as follows: the cover body 1 is used for sealing the pipe body 2 for the first time (in a semi-closed state), the first sealing matching part 12 of the cover body 1 is positioned above the second sealing matching part 16 of the pipe body 2, the third embedding part 13 of the cover body 1 is positioned above the fourth embedding part 14 of the pipe body 2, and because the outer diameter of the first sealing matching part 12 is larger than the inner diameter of the second sealing matching part 16, the first sealing matching part 12 cannot be in interference fit with the inner wall of the pipe orifice of the pipe body 2 under the blocking of the second sealing matching part 16, and the inside of the pipe body 2 can exchange gas with the outside of the pipe body 2 through the ventilation part 15; the cover body 1 continues to move downwards, the cover body 1 closes the tube body 2 for the second time (completely closed state or sealed state), the first sealing matching part 12 of the cover body 1 passes through the second sealing matching part 16 of the tube body 2 and then is in interference fit with the inner wall of the tube body 2 positioned below the ventilation part 15, the third embedding part 13 of the cover body 1 is in embedding connection with the fourth embedding part 14 of the tube body 2, at the moment, under the combined action of the interference fit of the first sealing matching part 12 and the second sealing matching part 16 and the embedding connection of the fourth embedding part 14 and the third embedding part 13, gas exchange cannot be carried out between the inside of the tube body 2 and the outside of the tube body 2, and therefore the test tube convenient for secondary sealing is in a sealed state.

Example 9

This example is a combination of example 6 and example 7. The utility model provides a test tube convenient to secondary seal, includes lid 1, body 2 and connector 3, and body 2 passes through connector 3 and is connected with lid 1, and lid 1, body 2 and the 3 integrative injection moulding of connector.

The pipe body 2 includes a first seal fitting part 12 provided on the inner wall of the pipe opening of the pipe body 2 and a fourth fitting part 14 provided on the inner wall of the pipe opening of the pipe body 2. The first seal fitting component 12 is used for being embedded with the cover body 1 when the pipe body 2 is in a semi-closed state, and is used for being in interference fit with the cover body 1 when the pipe body 2 is in a completely closed state; the fourth fitting member 14 is not in contact with the first seal engagement member 12, and is adapted to be fitted to the lid body 1 in a completely closed state of the pipe body 2.

The first seal-fitting member 12 and the fourth fitting member 14 have substantially the same structure and connection relationship as those of embodiment 4.

The pipe body 2 includes a ventilation member 15 provided on the outer wall of the lid body 1, a second seal engagement member 16 provided on the outer wall of the lid body 1, and a third fitting member 13 provided on the outer wall of the lid body 1. The ventilation part 15 is used for exchanging gas between the inside and the outside of the tube body 2 through the ventilation part 15 when the tube body 2 is in a semi-closed state, such as vacuumizing operation and keeping the internal and external pressure of the tube body 2 consistent; the second seal fitting part 16 is arranged above the ventilation part 15, and is used for enabling the first seal fitting part 12 to be located below the second seal fitting part 16 when the pipe body 2 is in a semi-closed state and enabling the first seal fitting part 12 to be located above the second seal fitting part 16 when the pipe body 2 is in a fully-closed state; the third fitting member 13 is connected to the ventilation member 15, and is fitted to the fourth fitting member 14 in a completely closed state of the pipe body 2.

The method of use of this example is as follows: the cover body 1 is used for sealing the pipe body 2 for the first time (in a semi-closed state), the second sealing matching component 16 of the cover body 1 is positioned above the first sealing matching component 12 of the pipe body 2, the third embedding component 13 is positioned above the fourth embedding component 14, and the outer diameter of the first sealing matching component 12 is larger than the inner diameter of the second sealing matching component 16, so that the first sealing matching component 12 cannot be in interference fit with the outer wall of the cover body 1 under the blocking of the second sealing matching component 16, and the inside of the pipe body 2 can exchange gas with the outside of the pipe body 2 through the ventilation component 15; the cover body 1 continues to move downwards, the cover body 1 closes the tube body 2 for the second time (completely closed state or sealed state), the first sealing matching part 12 of the tube body 2 passes through the second sealing matching part 16 of the cover body 1 and then is in interference fit with the outer wall of the cover body 1 positioned above the ventilation part 15, the fourth embedding part 14 of the tube body 2 is in embedding connection with the third embedding part 13 of the cover body 1, at the moment, under the combined action of the interference fit of the first sealing matching part 12 and the second sealing matching part 16 and the embedding connection of the fourth embedding part 14 and the third embedding part 13, gas exchange cannot be carried out between the inside of the tube body 2 and the outside of the tube body 2, and therefore the test tube convenient for secondary sealing is in a sealed state.

Example 10

This example is a test tube comprising the test tube cap of example 1.

As shown in fig. 18 to 20, a test tube comprises a cover 1, a tube 2 and a connector 3, wherein the tube 2 and the cover 1 are connected through the connector 3, and the tube 2 and the cover 1 are inserted in an insertion manner.

The tube body 2 includes a solution chamber 22 and a test paper chamber 23. The axial direction of the solution chamber 22 is collinear or parallel with the axial direction of the tube body 2, and the solution chamber 22 is used for placing a solution such as a reaction solution. The axial direction of the test paper cavity 23 is parallel to the axial direction of the solution cavity 22, and the test paper cavity 23 is used for placing biochemical test paper.

Wherein, there is horizontal interval, at least 0.5mm between the inner wall of body 2 and the outer fringe of test paper chamber 23, is used for preventing the biochemical test paper of placing in test paper chamber 23 and the inner wall contact of body 2 or form the adherence.

Wherein, the width of the test paper cavity 23 (the diameter direction of the tube body 2) is not more than 2.8mm, the depth of the test paper cavity 23 is not less than 28mm, and under the condition that the tube body 2 is closed by the cover body 1, the top of the solution cavity 22 is communicated with the top of the test paper cavity 23.

Further, in the case that the tube body 2 is enclosed by the cover body 1, there is a horizontal space of at least 0.5mm between the inner edge of the test paper cavity 23 and the inner wall of the cover body 1, so as to prevent the biochemical test paper placed in the test paper cavity 23 from contacting with the inside of the cover body 1 or forming an adhesive wall.

In some of the embodiments, in the case that the tube 2 is enclosed by the cover 1, the outer edge of the test strip chamber 23 is horizontally spaced from the inner wall of the cover 1 by at least 0.5mm, so as to prevent the biochemical test strips placed in the test strip chamber 23 from contacting the inside of the cover 1 or adhering to the inside of the cover 1.

In some of these embodiments, in the case where the cap 1 closes the tube 2, there is a vertical separation between the top wall of the test strip chamber 23 and the bottom wall of the cap 1, which is less than 2 mm.

Wherein, the solution cavity 22 is a regular-shaped cavity (such as a circular cavity, a rectangular cavity, a trapezoidal cavity) or an irregular-shaped cavity. The test paper cavity 23 is a regular-shaped cavity (e.g., a circular cavity, a rectangular cavity, a trapezoidal cavity) or an irregular shape.

The test paper cavity 23 is a biochemical test paper cavity, and the top end of the biochemical test paper cavity is communicated with the solution cavity 22.

In one embodiment, the solution chamber 22 may be a plurality of chambers, the axes of the solution chambers 22 are parallel, at least one solution chamber 22 is used for placing biochemical reaction reagents or biochemical reaction solutions, and at least one solution chamber 22 is used for placing functional reaction reagents. The functional reagent includes, but is not limited to, degrading enzyme, lysis solution, probe, buffer solution, diluent, etc., or a reagent for performing a subsequent reaction after the biochemical reaction is completed.

In one of them embodiment, test paper chamber 23 can be a plurality of, and the axis of a plurality of test paper chamber 23 is parallel, all places biochemical test paper in every test paper chamber 23, can detect the different indexes of same sample simultaneously.

Wherein, a plurality of test paper cavities 23 are arranged around the axial direction of the tube body 2.

The lid body 1 includes a skirt part 17, and the skirt part 17 is provided on the outer wall of the lid body 1.

The connecting body 3 is connected with the tube body 2 and the cover body 1 respectively, so that the tube body 2 and the cover body 1 form a one-piece structure.

The connector 3 may be a connecting strip, one end of which is connected to the tube 2 and the other end of which is connected to the cover 1.

Through the biochemical test paper tube of this embodiment, utilize the fixed part of specially designed test paper, make the biochemical test paper of placing in the fixed part of test paper neither contact the inner wall of pipe portion, do not contact the inside of lid again, avoid appearing biochemical test paper and appear the adherence.

Example 11

This embodiment is a modified embodiment of embodiment 10, and the present embodiment is different from embodiment 10 in that: the test paper chamber 23 is different.

As shown in fig. 21, the test paper chamber 23 is a biochemical test paper container positioned by the clamping side wall 113 inside the solution chamber 22 and the outer wall of the solution chamber 22, and a communication hole is formed at the top end of the biochemical test paper container and connected with a sample solution receiving end of the biochemical test paper or the biochemical test paper in the biochemical test paper container extends out of the top end of the biochemical test paper container for a certain length.

Example 12

This embodiment is a modified embodiment of embodiment 11, and is different from embodiment 11 in that: the test paper chamber 23 is different.

As shown in fig. 22 to 23, the test paper chamber 23 is a biochemical test paper container positioned by the clamping side wall 113 inside the solution chamber 22 and the outer wall of the solution chamber 22, and after the top end of the biochemical test paper container is broken, a broken cross section of the biochemical test paper container has a communication hole communicated with a sample solution receiving end of the biochemical test paper or the biochemical test paper in the biochemical test paper container extends from the top end of the biochemical test paper container for a certain length.

Example 13

This example is a test tube comprising the test tube cap of example 1.

As shown in fig. 24-25, a test tube comprises a cover body 1, a tube body 2, a connector 3 and an opening-preventing component 18, wherein the tube body 2 and the cover body 1 are connected through the connector 3, and the opening-preventing component 18 is arranged at the top of the tube body 2. Wherein, in case that the body 2 is closed by the cover 1, the cover 1 cannot be removed from the body 2 by the opening prevention assembly 18.

The structure and connection mode of the cap 1, the tube 2 and the connector 3 are substantially the same as those of embodiment 10, and are not described herein again.

The anti-opening assembly 18 comprises a counter bore part 19, the counter bore part 19 is arranged on the top of the tube body 2 and can be matched with the skirt part 17 of the cover body 1, in the case that the tube body 2 is enclosed by the cover body 1, the skirt part 17 is arranged on the counter bore part 19, and the upper surface of the skirt part 17 and the upper surface of the counter bore part 19 are at the same level.

The method of use of this example is as follows: placing the biochemical test paper into the test paper cavity 23, and enabling a sample solution receiving end of the biochemical test paper to be arranged upwards; placing a reaction solution into the solution cavity 22, placing a sample to be detected, such as a throat swab, into the solution cavity 22, sealing the tube body 2 with the cover body 1, and immersing the skirt part 17 of the cover body 1 into the counter bore part 19; after the reaction in the solution cavity 22 is completed, the test tube convenient for secondary sealing is inclined, so that the reaction solution contacts the biochemical test paper, the reaction solution performs biochemical action on the biochemical test paper, and the detection result can be obtained by observing the biochemical test paper; after the detection result is observed, the test tube convenient for secondary sealing can be directly treated as medical waste without worrying about the leakage of the substances in the test tube convenient for secondary sealing.

Through the test tube that is provided with of this embodiment and prevents opening the part, seal the pipe portion at the cap after, can't avoid the intraductal material of biochemical test paper to leak with cap and pipe portion separation, avoid polluted environment, harm life health.

Example 14

This example is a test tube comprising the test tube cap of example 1.

As shown in fig. 26-27, a test tube comprises a cover body 1, a tube body 2, a connector 3 and an opening-preventing assembly 18, wherein the tube body 2 and the cover body 1 are connected through the connector 3, and the opening-preventing assembly 18 is arranged on the top of the tube body 2 and the outer wall of the cover body 1. Wherein, in case that the body 2 is closed by the cover 1, the cover 1 cannot be removed from the body 2 by the opening prevention assembly 18.

The opening prevention assembly 18 includes a counterbore member 19 and a chamfer member 20, the counterbore member 19 being provided on the top of the tube body 2, and the chamfer member 20 being provided on the outer wall of the skirt member 17.

Wherein the chamfer part 20 and the skirt part 17 are designed as one piece.

In the case where the lid body 1 closes the pipe body 2, the width of the cross section of the first end (upper end) of the chamfer member 20 is smaller than the width of the cross section of the second end (lower end) of the chamfer member 20.

In the case where the cap 1 closes the tubular body 2, the skirt member 17 is provided to the counterbore member 19 together with the chamfer member 20, and the upper surfaces of the skirt member 17, the chamfer member 20 and the counterbore member 19 are at the same level.

The using method of this embodiment is basically the same as that of embodiment 10, and is not described herein again.

In the present embodiment, in the case where the cap closes the tube, the cap cannot be separated from the tube by the dual action of the counterbore and the chamfered portion; due to the presence of the chamfered portion, it is not possible to provide a stress point, and even if an external force is forcibly applied to the counterbore and the chamfered portion, the cap portion cannot be separated from the tube portion.

Example 15

This example is a test tube comprising the test tube cap of example 1.

As shown in fig. 28-29, a test tube comprises a cover body 1, a tube body 2, a connector 3 and an opening-preventing component 18, wherein the tube body 2 and the cover body 1 are connected through the connector 3, and the opening-preventing component 18 is arranged at the top of the tube body 2. Wherein, in case that the body 2 is closed by the cover 1, the cover 1 cannot be removed from the body 2 by the opening prevention assembly 18.

The opening prevention assembly 18 includes a counterbore member 19 and a cap member 21.

Wherein, the counter bore part 19 is arranged on the top of the tube body 2, which can be matched with the skirt part 17 of the cover body 1, under the condition that the tube body 2 is enclosed by the cover body 1, the skirt part 17 is arranged on the counter bore part 19, and the upper surface of the skirt part 17 and the upper surface of the counter bore part 19 are in the same horizontal plane.

Wherein a cap member 21 is provided on an upper surface or inside of the counterbore member 19 for separating the cap body 1 from the tube body 2 by the cap member 21 under certain circumstances.

In one embodiment, the cap member 21 is disposed through the counterbore member 19. Specifically, the first end of the lid opening member 21 is located on the inner wall of the counterbore member 19, the second end of the lid opening member 21 is located on the outer wall of the counterbore member 19, and the lid body 1 is tilted by passing the lid opening member 21 through an auxiliary tool, such as a pry bar, to separate the lid body 1 from the tube body 2.

In one embodiment, the cap member 21 is provided on the upper surface of the counterbore member 19. Specifically, the first end of the lid opening member 21 is located on the inner wall of the counterbore member 19, the second end of the lid opening member 21 is located between the inner wall and the outer wall of the counterbore member 19, and the lid body 1 is tilted by passing through the lid opening member 21 by an auxiliary tool, such as a pry piece, to separate the lid body 1 from the tube body 2.

The present embodiment is used in substantially the same manner as in embodiment 10, except that after the detection result is obtained, the lid body 1 is separated from the tube body 2 by the lid opening member 21 to recover the solution or substance in the test tube for secondary sealing.

Example 16

This example is a test tube comprising the test tube cap of example 1.

As shown in FIGS. 30 to 31, the test tube comprises a cover body 1 and a tube body 2, wherein the cover body 1 is used for sealing the tube body 2.

The tube body 2 includes a solution chamber 22, a test strip chamber 23, a second positioning member 25, and a plurality of fourth positioning members 27.

The axial direction of the solution chamber 22 is collinear or parallel with the axial direction of the tube body 2, and the solution chamber 22 is used for placing a solution such as a reaction solution. The axial direction of the test paper cavity 23 is parallel to the axial direction of the solution cavity 22, and the test paper cavity 23 is used for placing the biochemical test paper 400.

The second positioning member 25 is a central positioning member, and is disposed at the middle of the bottom of the solution chamber 22 for placing a puncture assembly (not shown).

A plurality of fourth positioning members 27 are disposed above the second positioning members 25 and surround the first positioning members to form a virtual first chamber for guiding and positioning the sidewall of a sample tube (not shown) placed in the solution chamber 22.

The virtual first chamber is a cavity formed by arranging virtual walls in the space formed by the plurality of fourth positioning parts 27 to present an opening on one side.

Further, in order to improve the guiding and positioning of the sample tube, the tube body 2 further comprises a plurality of third positioning members 26. The third positioning members 26 are disposed at the bottom of the solution chamber 22, and are not in contact with the second positioning members 25 and the fourth positioning members 27, and the height of the third positioning members is higher than the height of the second positioning members 25, and the top ends of the third positioning members are located below the bottom ends of the fourth positioning members 27, so as to guide and position-limit the side walls of the bottom of a sample tube (not shown in the figure) placed in the solution chamber 22.

The top end of the third positioning member 26 is a slope for fitting the sidewall of the bottom of the sample tube.

In some embodiments, when the tube 2 is viewed from a top view, the plurality of fourth positioning members 27 are spaced from the plurality of third positioning members 26, that is, a third positioning member 26 is disposed between two adjacent fourth positioning members 27.

In some embodiments, when the tube body 2 is viewed from a top view, the plurality of fourth positioning members 27 and the plurality of third positioning members 26 are irregularly arranged, for example, the third positioning member 26 may not be arranged between two adjacent fourth positioning members 27, at least one third positioning member 26 may be arranged, and the third positioning member 26 may be arranged directly below the fourth positioning member 27.

In addition, the test tube convenient to secondary seal still includes connector 3, and connector 3 is connected with body 2, lid 1 respectively.

Wherein, body 2, lid 1 and connector 3 can be the integral type and connect, even if be convenient for the test tube of secondary seal to be disjunctor formula test tube. In this case, the connecting body 3 may be a connecting strip.

Wherein, body 2, lid 1 and connector 3 can be split type connection, even in that secondary seal's test tube is split type test tube. In this case, the connecting body 3 may be a locking ring, a locking bar. Specifically, the cover body 1 and the pipe body 2 are respectively provided with locking holes which are matched with each other, and in the case that the cover body 1 seals the pipe body 2, the locking strips sequentially penetrate through the locking holes of the cover body 1 and the pipe body 2, so that the cover body 1 and the pipe body 2 are locked.

Wherein, under the condition that lid 1 seals body 2, lid 1 and body 2 interference fit, under the environment of vacuum 3kg, body 2's solution keeps not leaking for at least 10 minutes.

Example 18

This example is a test tube comprising the test tube cap of example 1.

As shown in fig. 32 to 33, a test tube comprises a cover body 1 and a tube body 2, wherein the cover body 1 is used for sealing the tube body 2.

The tube body 2 includes a solution chamber 22, a test strip chamber 23, a plurality of second positioning members 25, a plurality of third positioning members 26, and a plurality of fourth positioning members 27.

The structures and the connection relationships of the solution chamber 22, the test strip chamber 23, the third positioning members 26, and the fourth positioning members 27 are substantially the same as those in embodiment 17, and are not described herein again.

The second positioning members 25 are side positioning members, are disposed at the bottom of the solution chamber 22, are respectively connected to the bottom wall and the side wall of the solution chamber 22, and surround to form a virtual second chamber for placing a puncture assembly (not shown).

In some of these embodiments, the axis of the virtual second chamber is taken as a center line, a plurality of second positioning members 25 are disposed around the center line, and a plurality of third positioning members 26 are disposed around the center line; the second positioning parts 25 are spaced from the third positioning parts 26, i.e. a third positioning part 26 is arranged between two adjacent second positioning parts 25.

In some of these embodiments, the axis of the virtual second chamber is taken as a center line, a plurality of second positioning members 25 are disposed around the center line, and a plurality of third positioning members 26 are disposed around the center line; the third positioning member 26 may not be disposed between two adjacent second positioning members 25, or at least one third positioning member 26 may be disposed, that is, a plurality of second positioning members 25 and a plurality of third positioning members 26 are irregularly disposed.

In some embodiments, when the tube 2 is viewed from a top view, the fourth positioning member 27 may block the second positioning members 25, that is, one fourth positioning member 27 is disposed right above each second positioning member 25; the fourth positioning members 27 may not block the second positioning members 25, that is, one fourth positioning member 27 may be provided obliquely above each second positioning member 25; alternatively, at least one second positioning member 25 is provided between two adjacent fourth positioning members 27 when the tube body 2 is viewed from the top.

The number of the second positioning members 25, the number of the fourth positioning members 27, and the number of the third positioning members 26 may be equal or different.

The virtual second chamber is a chamber formed by arranging virtual walls in a space formed by the plurality of second positioning members 25 to present an opening on one side.

Wherein the axis of the first chamber is coaxial or parallel to the axis of the second chamber for aligning the center of the bottom of the sample tube with the lancing assembly 24, i.e., the axis of the sample tube is substantially collinear with the axis of the lancing assembly 24, such that the lancing assembly 24 punctures the sample tube.

Where the axis of the first chamber is parallel to the axis of the second chamber, the horizontal distance between the axis of the first chamber and the axis of the second chamber is less than 3 mm.

The structure and connection relationship of the cover 1 and the connector 3 are substantially the same as those of the embodiment, and are not described herein again.

Example 19

This example is a combination of examples 17 to 18.

As shown in FIGS. 34-35, a test tube comprises a cover body 1 and a tube body 2, wherein the cover body 1 is used for sealing the tube body 2.

The second positioning member 25 includes a center positioning member disposed at the middle of the bottom of the solution chamber and a plurality of side positioning members disposed around the center positioning member with the center positioning member as the center, and the center positioning member and the side positioning members are not in contact with each other.

In this embodiment, the bottom of the lancing assembly is engaged with the central positioning member and the side surfaces of the lancing assembly are engaged with the side positioning members to effectively secure the lancing assembly.

Example 20

This example is an extended example of examples 17 to 19.

The test tube convenient for secondary sealing further comprises a puncture assembly 24, and the puncture assembly 24 and the tube body 2 are designed in a split mode. Lancing assembly 24 is mounted in the second chamber, such as by adhesive bonding or the like.

In some of these embodiments, the lancing assembly 24 is plug connected to a centrally located section in the second locating section 25.

In some of these embodiments, lancing assembly 24 is of one-piece design with tubular body 2, i.e., lancing assembly 24 is of one-piece design with second positioning member 25.

The puncturing assembly 24 may be made of a rigid plastic material or a metal material.

In some embodiments, the side positioning members of the plurality of second positioning members 25 are circumferentially disposed outside of the lancing assembly 24 with the lancing assembly 24 as a center. Specifically, the included angle formed by two adjacent side positioning parts is 360 degrees/n, wherein n is the number of the side positioning parts.

Similarly, in the case where a sample tube (not shown) is inserted into the second chamber, a plurality of third positioning members 26 are axially disposed outside the sample tube centering on the sample tube. Specifically, the angle formed by two adjacent third positioning members 26 is 360 °/n, where n is the number of third positioning members 26.

Similarly, in the case where a sample tube (not shown) is inserted into the second chamber, a plurality of fourth positioning members 27 are axially disposed outside the sample tube centering on the sample tube. Specifically, the included angle formed by two adjacent fourth positioning members 27 is 360 °/n, where n is the number of the fourth positioning members 27.

The inner surface of each third positioning member 26 that contacts the sample tube mates with the sidewall of the bottom of the sample tube. That is, the inner surfaces of the third positioning members 26 form a stopper rail, and the sample tube is fixed in the virtual second chamber by the rail.

The inner surface of each fourth positioning member 27 that contacts the sample tube mates with the sidewall of the sample tube. That is, the inner surfaces of the plurality of fourth positioning members 27 form a guide rail having a guide function and a stopper function. Under the action of the track, the sample tube moves downwards.

Example 21

The utility model discloses an extension of embodiment 20. As shown in FIGS. 36-39, a lancing assembly 24 includes a base member 28, at least two lance members 29, and at least two flow directing members 32. At least two of the breaking pipe members 29 are disposed above the base member 28, and a flow guide member 32 is disposed on each of the two adjacent breaking pipe members 29.

The base member 28 is a cylindrical body or a truncated cone body or a composite body formed by stacking a cylindrical body or a plurality of cylindrical bodies with chamfers.

As shown in fig. 38, the rupture member 29 includes a cutting element 30 and a distraction element 31. Wherein, the cutting element 30 is arranged above the tube breaking component 29 and is used for cutting the bottom of the sample tube; the opening element 31 is disposed below the cutting element 30, and is connected to the base component 28 and the cutting element 30 respectively, for opening a gap formed by the cutting element 30 cutting the bottom of the sample tube to enlarge the gap.

The cutting element 30 comprises a sloping edge forming an acute angle with the horizontal.

The maximum horizontal width of cutting member 30 is equal to the minimum horizontal width of distracting member 31 and is less than the maximum horizontal width of distracting member 31.

The vertical height of the cutting elements 30 is equal or unequal to the vertical height of the spreader elements 31.

In the above embodiments, the horizontal width refers to the radial distance centered at a certain point in the horizontal plane, and does not refer to the thickness of the relevant element; the vertical height refers to the axial distance centered on a point in the horizontal plane and does not refer to the thickness of the relevant element.

In some of these embodiments, the cutting element 30 is a cutting edge.

In some of these embodiments, the distraction element 31 is a distraction surface, which can be a distraction oblique surface or a distraction spherical surface.

The number of the rupture member 29 is at least two, and the rupture members 29 are connected so that the cutting members 30 and the expanding members 31 face outward, respectively, to form a petal-shaped structure in a plan view.

The flow guide part 32 is arranged between two adjacent broken pipe parts 29, and is used for enabling the sample solution in the sample pipe to flow out of the sample pipe along the flow guide part 32 under the condition that the broken pipe parts 29 are inserted into the bottom of the sample pipe and damage the sample pipe, and mixing with the reaction solution or the functional solution outside the sample pipe, so as to carry out subsequent operation and observation.

Specifically, the number of the flow guide members 32 is at least two, and is not smaller than the number of the breaker members 29.

For example, if there are two breaker members 29, there are two flow guide members 32, and the two breaker members 29 are connected to form two spaces, one flow guide member 32 is disposed in one space, and the other flow guide member 32 is disposed in the other space.

In some of these embodiments, the flow guide member 32 is a flow guide gap or a flow guide groove.

In some of these embodiments, lancing assembly 24 is made of a metallic material that complies with medical specifications, such as 304 stainless steel.

In some of these embodiments, lancing assembly 24 may also be made of a rigid plastic material.

The utility model discloses a use method as follows: piercing assembly 24 contacts the bottom of the sample tube (the bottom of the sample tube can be a flat bottom, can be an arcuate bottom); the cutting element 30 cuts the bottom of the sample tube so that the cutting element 30 enters the interior of the sample tube; the opening component 31 opens the gap formed by the cutting component 30 cutting the sample tube, namely the radial length of the gap is increased, and the width of the gap is widened; at this time, the bottom of the sample tube is broken by the breaking member 29, and the sample solution in the sample tube flows out to the outside of the sample tube along the flow guide member 32, thereby being mixed with the functional reaction solution outside the sample tube.

Example 22

The present invention provides a modification of embodiment 21, as shown in fig. 40 to 43, a piercing assembly 24 comprising a base member 28, a plurality of first piercing members 33 and a plurality of flow guide members 32. Wherein, the first tube breaking component 33 is arranged above the base component 28 and is used for breaking the bottom of the sample tube; the flow guide member 32 is disposed between two adjacent first pipe breaking members 33.

The structure and connection relationship of the base part 28 and the flow guide part 32 are substantially the same as those of embodiment 21, and are not described herein again.

As shown in fig. 42, the first rupture member 33 includes a first cutting element 34 and a first spreading element 35. Wherein, the first cutting element 34 is arranged above the first tube breaking part 33 and is used for cutting the bottom of the sample tube; the first opening member 35 is disposed below the first cutting member 34, and is connected to the base member 28 and the first cutting member 34, respectively, for opening a gap formed by the first cutting member 34 cutting the bottom of the syringe, so as to enlarge the gap.

The first cutting element 34 comprises a first inclined edge forming a first angle with the horizontal plane, which first angle is acute.

The maximum horizontal width of the first cutting member 34 is equal to the minimum horizontal width of the first distracting member 35 and is less than the maximum horizontal width of the first distracting member 35.

The vertical height of the first cutting element 34 is equal or unequal to the vertical height of the first distracting element 35.

In some of these embodiments, the first cutting element 34 is a cutting edge.

In some of these embodiments, the first distraction element 35 is a distraction surface, which can be a distraction oblique surface or a distraction spherical surface.

The number of the first rupture member 33 is at least two, and the plurality of first rupture members 33 are connected such that the respective first cutting elements 34 and the first spreading elements 35 face outward, and form a petal-shaped structure in a plan view.

The using method of this embodiment is basically the same as that of embodiment 21, and is not described herein again.

Example 23

This embodiment is a modification of embodiment 21. referring to FIGS. 44-47, a lancing assembly 24 includes a base member 28, a plurality of second lance members 36, a plurality of flow directing members 32, and a connecting member 40. Wherein, the first tube breaking component 33 is arranged above the base component 28 and is used for breaking the bottom of the sample tube; the diversion part 32 is arranged between two adjacent first pipe breaking parts 33; the attachment member 40 is disposed within the base member 28 for securing the lancing assembly 24 in a particular position in a particular device.

As shown in fig. 46, the second rupture member 36 includes a second cutting element 37, a third cutting element 38, and a second spreader element 39. Wherein, the second cutting element 37 is arranged above the second breaking part 36 for cutting the bottom of the sample tube for the first time; the third cutting element 38 is arranged below the second cutting element 37 and connected with the second cutting element 37, and is used for performing second cutting on the bottom of the sample tube; the second spreading element 39 is disposed below the third cutting element 38 and connected to the base component 28 and the third cutting element 38, respectively, for spreading a gap formed by the third cutting element 38 cutting the bottom of the sample tube, so as to enlarge the gap.

The second cutting element 37 comprises a second inclined edge forming a second angle with the horizontal plane, which second angle is acute.

Third cutting element 38 includes a third angled edge that forms a third included angle with the horizontal that is an acute angle.

In some of these embodiments, the third included angle is greater than the second included angle.

The horizontal width of the second cutting member 37 is equal to the minimum horizontal width of the third cutting member 38 and is less than the maximum horizontal width of the third cutting member 38.

The vertical height of the second cutting member 37 is smaller than the vertical height of the third cutting member 38.

The maximum horizontal width of the third cutting element 38 is equal to the minimum horizontal width of the second distracting element 39 and is less than the maximum horizontal width of the second distracting element 39.

The vertical height of the third cutting element 38 is not less than the vertical height of the second spreader element 39.

The number of the second rupture member 36 is at least two, and a plurality of the second rupture members 36 are connected to make the respective second cutting element 37, third cutting element 38 and second opening element 39 face outward, and form a petal-shaped structure when viewed from a top view.

The attachment member 40 is disposed within the interior of the base member 28 and communicates with the exterior of the base member 28 to attach the attachment member 40 to an attachment element to secure the lancing assembly 24 in a particular position.

Example 24

The utility model discloses a modified example of embodiment 21, as shown in fig. 48-51, a puncture assembly 24 includes a base member 28, a first broken pipe part 33, a second broken pipe part 36 and a diversion member 32. Wherein, the first tube breaking component 33 is arranged above the base component 28 and is used for breaking the bottom of the sample tube; the second broken tube part 36 is arranged above the base part 28, is connected with the first broken tube part 33 and is used for breaking the bottom of the sample tube together with the first broken tube part 33; the flow guide member 32 is disposed between the first pipe breaking member 33 and the second pipe breaking member 36.

As shown in fig. 50, the first rupture member 33 includes a first cutting element 34 and a first spreading element 35. Wherein, the first cutting element 34 is arranged above the first tube breaking part 33 and is used for cutting the bottom of the sample tube for the first time; the first expanding element 35 is disposed below the first cutting element 34, and is connected to the base member 28 and the first cutting element 34, respectively, for expanding a gap formed by the first cutting element 34 cutting the bottom of the syringe to expand the gap.

The vertical height of the first cutting element 34 is smaller than the vertical height of the first distracting element 35.

As shown in fig. 50, the second rupture member 36 includes a second cutting element 37, a third cutting element 38, and a second spreader element 39. Wherein the second pipe breaking part 36 is connected with the first pipe breaking part 33; the second cutting element 37 is arranged above the second breaking part 36 and is used for cutting the bottom of the sample tube for the first time; the third cutting element 38 is arranged below the second cutting element 37 and connected with the second cutting element 37, and is used for performing second cutting on the bottom of the sample tube; the second spreading element 39 is disposed below the third cutting element 38 and connected to the base component 28 and the third cutting element 38, respectively, for spreading a gap formed by the third cutting element 38 cutting the bottom of the sample tube, so as to enlarge the gap.

The second cutting element 37 is connected to the first cutting element 34, and the first spreader element 35 is connected to the third cutting element 38 and the second spreader element 39, respectively.

In some embodiments, the first angle is equal to or different from the second angle, the first angle is equal to or different from the third angle, and the second angle is different from the third angle.

The vertical height of the first cutting element 34 is equal to the vertical height of the second cutting element 37, or the difference is in the range of 0.5 ± 0.1 mm.

The maximum horizontal width of the second distracting element 39 is greater than the maximum horizontal width of the first distracting element 35.

The sum of the vertical height of the third cutting element 38 and the vertical height of the second spreader element 39 is equal to the vertical height of the first spreader element 35, or the difference is in the range of 0.5 ± 0.1 mm.

The first and

second breaker members

33 and 36 are related in number as follows:

A. the number of the first pipe breaking parts 33 is 1, the number of the second pipe breaking parts 36 is 2, and an included angle formed between each first pipe breaking part 33 and the adjacent second pipe breaking part 36 is 120 degrees;

B. the number of the first pipe breaking parts 33 is 2, the number of the second pipe breaking parts 36 is 1, and an included angle formed between each first pipe breaking part 33 and the adjacent second pipe breaking part 36 is 120 degrees;

C. the number of the first pipe breaking parts 33 is equal to that of the second pipe breaking parts 36, a first pipe breaking part 33 is arranged between two adjacent second pipe breaking parts 36, a second pipe breaking part 36 is arranged between two adjacent first pipe breaking parts 33, and if the number of the first pipe breaking parts 33 and the number of the second pipe breaking parts 36 are both n, an included angle formed between the adjacent first pipe breaking parts 33 and the adjacent second pipe breaking parts 36 is 360 degrees/2 n;

D. if the number of the first pipe breaking parts 33 is not equal to the number of the second pipe breaking parts 36, at least one second pipe breaking part 36 is arranged between two adjacent first pipe breaking parts 33, at least one first pipe breaking part 33 is arranged between two adjacent second pipe breaking parts 36, if the number of the first pipe breaking parts 33 is m and the number of the second pipe breaking parts 36 is n, the angle formed between the adjacent first and

second breaker members

33, 36 is 360 °/(m + n), or the included angle formed between two adjacent first breaker members 33 is 360 °/(m + n) (i.e. the number of first breaker members 33 is greater than the number of second breaker members 36), or the angle formed between two adjacent second breaker members 36 is 360 °/(m + n) (i.e., the number of second breaker members 36 is greater than the number of first breaker members 33).

As shown in fig. 48 to 51, the flow guide member 32 is disposed between the first and second

tube breaking members

33 and 36, and is used to allow the sample solution in the sample tube to flow out of the sample tube along the flow guide member 32 and to be mixed with the reaction solution or the functional solution outside the sample tube for subsequent operations and observation when the first and second

tube breaking members

33 and 36 are inserted into the bottom of the sample tube and break the sample tube.

In some of these embodiments, the flow guide member 32 is a flow guide gap or a flow guide channel or a flow guide cavity.

In some embodiments, if the number of the first breaking pipe parts 33 is 1 and the number of the second breaking pipe parts 36 is 2, the diversion part 32 is disposed between the first breaking pipe parts 33 and the second breaking pipe parts 36, and between the second breaking pipe parts 36.

In some embodiments, if the number of the first breaking pipe parts 33 is 2 and the number of the second breaking pipe parts 36 is 1, the diversion part 32 is disposed between the first breaking pipe parts 33 and the second breaking pipe parts 36, and between the first breaking pipe parts 33.

In some of the embodiments, if the number of the first breaking pipe parts 33 is not equal to the number of the second breaking pipe parts 36, the diversion part 32 is disposed between the first breaking pipe parts 33 and the second breaking pipe parts 36, or between two first breaking pipe parts 33, or between two second breaking pipe parts 36.

The utility model discloses a use method as follows: piercing assembly 24 contacts the bottom of the sample tube (the bottom of the sample tube can be a flat bottom, can be an arcuate bottom); the first cutting element 34 and the second cutting element 37 perform primary cutting on the bottom of the sample tube, so that the first cutting element 34 and the second cutting element 37 enter the interior of the sample tube; the third cutting element 38 continues to cut the sample tube along the slit formed by the second cutting element 37 to enlarge the slit, i.e., the radial length of the slit becomes longer, but the width of the slit remains the same; the first spreading member 35 spreads the slit formed by the first cutting member 34 cutting the sample tube while the third cutting member 38 cuts the bottom of the sample tube, that is, the width of the slit is widened while the radial length of the slit is lengthened; the second spreading element 39 spreads the slit formed by the third cutting element 38 cutting the sample tube, that is, the radial length of the slit is increased, and the width of the slit is widened; at this time, the bottom of the sample tube is broken by the combined action of the first and second breakable tube members 33 and 36, and the sample solution in the sample tube flows out of the sample tube along the flow guide member 32 to be mixed with the functional reaction solution outside the sample tube.

Example 25

This embodiment is a modification of embodiment 24, and as shown in fig. 52 to 54, a piercing assembly 24 includes a base member 28, a first piercing member 33, a second piercing member 36, a diversion member 32, and a connecting member 40. Wherein, the first tube breaking component 33 is arranged above the base component 28 and is used for breaking the bottom of the sample tube; the second broken tube part 36 is arranged above the base part 28, is connected with the first broken tube part 33 and is used for breaking the bottom of the sample tube together with the first broken tube part 33; the diversion part 32 is arranged between the first pipe breaking part 33 and the second pipe breaking part 36; the attachment member 40 is disposed within the base member 28 for securing the lancing assembly 24 in a particular position in a particular device.

The structure and embodiment of the base member 28, the first pipe breaking member 33, the second pipe breaking member 36 and the flow guiding member 32 are substantially the same as those of embodiment 21, and are not described herein again.

The advantage of this embodiment lies in, is provided with adapting unit on base part, can be fixed in arbitrary special position with broken tubular structure to the test tube that adapts to different specifications satisfies different user demands.

Example 26

This embodiment is a modification of embodiment 25, and as shown in fig. 52 to 53 and 55, a pricking assembly 24 includes a base member 28, a first pricking member 33, a second pricking member 36, a fluid guide member 32, a connecting member 40, and a fifth fitting member 41. Wherein, the first tube breaking component 33 is arranged above the base component 28 and is used for breaking the bottom of the sample tube; the second broken tube part 36 is arranged above the base part 28, is connected with the first broken tube part 33 and is used for breaking the bottom of the sample tube together with the first broken tube part 33; the diversion part 32 is arranged between the first pipe breaking part 33 and the second pipe breaking part 36; the attachment member 40 is disposed within the base member 28 for securing the lancing assembly 24 in a particular position in a particular device; the fifth fitting part 41 is provided inside the connecting part 40 for fitting the puncture assembly 24 with a specific connecting element.

The structure and embodiment of the base member 28, the first pipe breaking member 33, the second pipe breaking member 36, the diversion member 32 and the connection member 40 are substantially the same as those of embodiment 21, and are not repeated herein.

In some of these embodiments, the fifth fitting part 41 is an annular fitting groove.

In some of these embodiments, as shown in fig. 56, the fifth fitting part 41 is an annular fitting projection.

The advantage of this embodiment lies in, sets up fifth gomphosis part in adapting unit's inside, improves broken tubular construction and arbitrary connecting element's joint strength, avoids broken tubular construction to drop in the use.

Correspondingly, as shown in fig. 57, the pipe body 2 includes a sixth fitting member 42, and the sixth fitting member 42 is provided on the outer wall of the second positioning member 25 and is fitted and connected to the fifth fitting member 41.

In some of the embodiments, the sixth fitting part 42 is an annular fitting projection (fitted with the fifth fitting part 41 which is an annular fitting groove) or an annular fitting groove (fitted with the fifth fitting part 41 which is an annular fitting projection).

Example 27

This example is a test tube comprising the test tube cap of example 1.

As shown in FIGS. 58 to 59, the test tube comprises a cover body 1 and a tube body 2, wherein the cover body 1 is used for sealing the tube body 2.

The tube body 2 includes a solution chamber 22, a test paper chamber 23, a sealing platform 43, and a second sealing member 44. The axial direction of the solution chamber 22 is in the same direction as the axial direction of the tube body 2, and the solution chamber 22 is used for placing a solution such as a reaction solution. The axial direction of the test paper cavity 23 is parallel to the axial direction of the solution cavity 22, and the test paper cavity 23 is used for placing the immunochromatographic test paper. The sealing platform 43 is disposed on the top end surface of the solution chamber 22 and entirely surrounds the solution chamber 22. The second sealing member 44 is connected to the sealing platform 43 to seal the solution chamber 22 from the solution in the solution chamber 22.

In the case where the cap body 1 closes the tube body 2, the top of the solution chamber 22 and the top of the test paper chamber 23 communicate.

The spacing distance (horizontal distance) between the outer edge of the test paper cavity 23 and the inner wall of the tube body 2 is greater than 0.4mm, and the function of the test paper cavity is to prevent the biochemical test paper placed in the test paper cavity 23 from contacting the inner wall of the tube body 2.

In one of them embodiment, test paper chamber 23 can be a plurality of, and the axis of a plurality of test paper chamber 23 is parallel, all places the immunochromatography test paper in every test paper chamber 23, can detect the different indexes of same sample simultaneously.

The outer edge of the sealing platform 43 is spaced apart from the wall of the tubular body 2 by a certain distance (horizontal distance), and the sealing platform 43 is higher than the bottom surface of the tubular wall by a certain vertical distance.

Wherein the width of the sealing platform 43 is at least 1 mm; a certain horizontal distance is formed between the outer wall of the sealing platform 43 and the inner wall of the pipe body 2, and the horizontal distance is at least 0.5 mm; the bottom wall of the sealing platform 43 is at a certain vertical distance from the bottom surface of the nozzle of the tube body 2, and is at least 0.5 mm.

Specifically, the sealing platform 43 forms a groove-like structure or channel-like structure with the inner wall of the tubular body 2.

Under the condition that the cover body 1 closes the pipe body 2, the top of the sealing platform 43 is not contacted with the bottom of the cover body 1, namely, a certain vertical distance is formed between the top of the sealing platform 43 and the bottom of the cover body 1, and the distance is at least 1 mm; the outer edge of the sealing platform 43 is at a horizontal distance of at least 0.5mm from the inner wall of the lid 1.

When leaving the factory, a reaction solution may be preset in the solution chamber 22, and then the solution chamber 22 is sealed by the second sealing member 44; or after leaving the factory, after the tester takes the biochemical test paper tube, the reaction solution is prepared, and is placed in the solution cavity 22, and finally the solution cavity 22 is sealed by the second sealing part 44, and the biochemical test paper tube is stored for later use.

In addition, the second sealing member 44 may seal the test paper chamber 23. Specifically, the test paper cavity 23 may be sealed before the immunochromatographic test paper is placed in the test paper cavity 23, that is, foreign matter is prevented from entering the test paper cavity 23; the test paper chamber 23 may be sealed when the immunochromatographic test paper is placed in the test paper chamber 23, i.e., the immunochromatographic test paper is kept from foreign substances before use.

The second sealing member 44 may be an aluminum foil film, a plastic film, or a non-setting adhesive film. The second sealing member 44 may be assembled with the biochemical test paper tube during the production process, or may be assembled with the biochemical test paper tube before the transportation process, or may be assembled with the biochemical test paper tube before the storage process.

Further, the shape of the second sealing member 44 is substantially the same as the shape of the orifice at the top of the solution chamber 22, i.e., the area of the cross section of the second sealing member 44 is slightly larger than the area of the cross section of the orifice at the top of the solution chamber 22. In this case, the second sealing member 44 needs to be broken by an auxiliary tool, such as a tool having a sharp end, a blunt end, and a blade.

Further, the shape of the second sealing member 44 is different from the shape of the orifice at the top of the solution chamber 22, i.e., the second sealing member 44 includes a sealing portion that seals the solution chamber 22 and an extension portion that is provided at a side of the sealing portion and is integrally formed with the sealing portion. Wherein the shape of the sealing portion is substantially the same as the shape of the orifice at the top of the solution chamber 22. The extension portion has a strip shape for separating the sealed portion from the solution chamber 22.

In addition, the biochemical test paper tube also comprises a connector 3, and the connector 3 is respectively connected with the tube body 2 and the cover body 1.

Wherein, body 2, lid 1 and connector 3 can be the integral type and connect, and the biochemical test paper pipe is disjunctor formula test tube promptly. In this case, the connecting body 3 may be a connecting strip.

The method of use of this example is as follows: destroying or removing the second sealing part 44, placing the sample to be detected into the solution cavity 22, and mixing the reaction solution in the solution cavity 22 with the sample to be detected to obtain a mixed solution; closing the tube body 2 with the lid body 1; after reacting for a certain time, inclining the tube body 2 to enable a sample solution receiving end of the immunochromatographic test paper arranged in the test paper cavity 23 to contact the mixed solution, and enabling the mixed solution to perform chromatography on the immunochromatographic test paper; the detection result can be obtained by observing the immunochromatographic test paper; after the detection result is observed, the biochemical test paper tube can be directly treated as medical waste without worrying about the leakage of substances in the biochemical test paper tube.

Example 28

This example is a test tube comprising the test tube cap of example 1.

As shown in fig. 60-61, a test tube comprises a cover body 1, a tube body 2 and a connector 3, wherein the tube body 2 is connected with the cover body 1 through the connector 3, and the cover body 1, the tube body 2 and the connector 3 are integrally injection-molded.

The tube body 2 includes a solution chamber 22 and a scraping member 45 disposed in the solution chamber 22, and the scraping member 45 is connected to an inner wall of the solution chamber 22 and a bottom wall of the solution chamber 22.

Wherein the scraping member 45 has a height of at least 15mm, not less than the height of the sampling portion of the swab.

In the present embodiment, the height of the scraping member 45 refers to the longitudinal height of the convex wall along the wall of the tubular body 2, i.e. the axial height, and not to the radial length of the tubular body 2.

The cross section of the scraping part 45 is fan-shaped, and two vertexes of a short arc edge of the scraping part are arranged on a circumference line with the diameter of 2.0-4.0 mm.

Specifically, two apexes of the short arc edge of the scraping member 45 form inscribed circles with the inner wall of the solution chamber 22.

In some of these embodiments, the inscribed circle has a diameter in the range of 2.0-4.0 mm, a preferred diameter in the range of 2.5-3.5 mm, and a more preferred diameter in the range of 2.7-3.0 mm.

Lid 1 and body 2 carry out interpolation formula cooperation, and the outer wall of lid 1 and the inner wall interference fit of body 2.

The method of use of this example is as follows: the solution cavity 22 of the tube body 2 is filled with sample processing solution; when the sample-collected flocked swab is inserted into the solution chamber 22, the swab is confined in the inscribed circle formed by the scraping member 45 and the solution chamber 22, and the scraping member 45 is embedded in the nap of the swab to a certain depth; with the swab rotated, the swab's nap is continuously scraped and flapped by the scraping member 45, and the sample on the swab is released into the sample treatment solution.

Compared with the traditional dissolution release method, the sample release speed of the test tube convenient for secondary sealing is high, the operation is simple, the detection speed and the detection efficiency are accelerated, and the detection time is shortened. Compare with other secondary seal's of being convenient for test tube and carry out simple scraping, the secondary seal's of being convenient for test tube of this embodiment, the height of protruding wall is greater than the height of the sampling portion of swab, and the summit of protruding wall is in the inside of the fine hair of swab, on the basis of scraping, beats fine hair, accelerates sample release speed.

Example 29

In this embodiment, a modification of embodiment 28 is shown in fig. 62 to 63, which are a test tube including a cap 1, a tube 2 and a connector 3, wherein the tube 2 is connected to the cap 1 through the connector 3, and the cap 1, the tube 2 and the connector 3 are integrally injection molded.

The structures and connection relationships of the cover 1 and the connector 3 are substantially the same as those in embodiment 298, and are not described herein again.

The tube body 2 comprises a solution chamber 22 and a plurality of scraping members 45 arranged in the solution chamber 22, and each scraping member 45 is connected with the inner wall of the solution chamber 22 and the bottom wall of the solution chamber 22.

Wherein the height of each scraping member 45 is at least 15mm and not less than the height of the sampling portion of the swab.

In some of these embodiments, there are at least 3 scraper members 45.

In some of these embodiments, adjacent scraping members 45 form an angle with the center of the circle of solution chamber 22 of less than 170 °.

In some of these embodiments, if the number of scraping members 45 is n (n is a positive integer greater than or equal to 3), the angle formed by two adjacent scraping members 45 and the center of the circle of the solution chamber 22 is 360 °/n.

In some of these embodiments, if the number of scraping members 45 is n (n is a positive integer greater than or equal to 3), the included angle formed by two adjacent scraping members 45 and the center of the circle of solution chamber 22 is partially greater than 360 °/n, partially less than 360 °/n, and partially equal to 360 °/n.

The cross section of each scraping component 45 is fan-shaped, and two vertexes of the short arc edge of each scraping component 45 are arranged on a circumferential line with the diameter of 2.0-4.0 mm, namely a plurality of vertexes of a plurality of scraping components 45 are distributed on the circumferential line.

Specifically, a plurality of scraping members 45 form an inscribed circle around which two vertexes of the short arc side of each scraping member 45 are located.

The method of use of this example is as follows: the solution cavity 22 of the tube body 2 is filled with sample processing solution; when the sample-collected flocked swab is inserted into the solution chamber 22, the swab is confined in the inscribed circle formed by the scraping members 45, and the scraping members 45 are embedded in the nap of the swab to a certain depth; with the swab rotated, the swab's nap is continuously scraped and flapped by the scraping member 45, and the sample on the swab is released into the sample treatment solution.

This embodiment has the advantage that the use of a plurality of protruding walls increases the frequency of the scraping and beating of the nap of the swab, increasing the sample release rate.

Example 30

In this embodiment, a modification of embodiment 29 is shown in fig. 64 to 65, which is a test tube comprising a cap 1, a tube 2 and a connector 3, wherein the tube 2 is connected to the cap 1 via the connector 3, and the cap 1, the tube 2 and the connector 3 are integrally injection molded.

The structures and connection relationships of the cover 1 and the connector 3 are substantially the same as those of embodiment 29, and are not described herein again.

In some of these embodiments, there are at least 3 scraper members 45.

The cross section of each scraping component 45 is triangular, and the top point of each scraping component 45 is arranged on a circumferential line with the diameter of 2.0-4.0 mm, namely a plurality of top points of a plurality of scraping components 45 are distributed on the circumferential line.

Each scraping member 45 has a trapezoidal longitudinal section, and the length of the lower base of the trapezoid is greater than the length of the upper base of the trapezoid, i.e., the cross-sectional area of each scraping member 45 increases from the top to the bottom thereof.

Specifically, a plurality of scraping members 45 form an inscribed circle around which the apex of each scraping member 45 is located.

This embodiment is used in substantially the same manner as embodiment 29 except that the contact area between the convex wall and the nap of the swab is increased by using the convex wall having a shape that is narrow at the top and wide at the bottom.

Example 31

In this embodiment, which is a modification of embodiment 29 or embodiment 30, as shown in fig. 66 to 67, a test tube includes a cap 1, a tube 2 and a connector 3, the tube 2 is connected to the cap 1 through the connector 3, and the cap 1, the tube 2 and the connector 3 are integrally injection molded.

The structures and connection relationships of the cover 1 and the connector 3 are substantially the same as those of embodiment 29 or embodiment 30, and are not described herein again.

The tube body 2 includes a plurality of solution chambers 22, a plurality of scraping members 45 disposed in the solution chambers 22, and a test paper chamber 23 disposed at one side of the solution chambers 22. Wherein, inside each solution chamber 22, each scraping member 45 is connected to the inner wall of the solution chamber 22 and the bottom wall of the solution chamber 22.

Two adjacent solution chambers 22 may be connected or disconnected (i.e., the solution chambers 22 are independent). In general, two adjacent solution chambers 22 are in communication.

The structure and arrangement of the scraping member 45 in the solution chamber 22 are substantially the same as those in embodiment 29 or embodiment 30, and will not be described again.

The test paper cavity 23 is arranged at one side of the solution cavities 22, and the test paper cavity 23 is independent, namely the test paper cavity 23 is not communicated with any solution cavity 22.

The test strip chamber 23 is used for placing biochemical test strips for detection, or biochemical test strip fixing members (such as a positioning strip, a test strip cartridge, and the like).

The method of use of this example is as follows: a plurality of solution cavities 22 of the tube body 2 are uniformly filled with sample treatment solution, and biochemical test strips for detection are placed in the test strip cavities 23; inserting a sample-collected flocked swab into each solution chamber 22, wherein the swab is confined in an inscribed circle formed by a plurality of scraping members 45 in each solution chamber 22, and the scraping members 45 are embedded in the nap of the swab to a certain depth; with the swab rotated, the swab's nap is continuously scraped and flapped by the scraping member 45, and the sample on the swab is released into the sample treatment solution; after the treatment, remove the swab, with lid 1 closed body 2, invert the test tube of being convenient for secondary seal, make the sample solution contact biochemical test paper strip in the solution chamber 22, observe biochemical test paper strip can.

The advantage of this embodiment lies in, collects sample release, sample detection in an organic whole, and the testing result is instant to know, after the detection, because lid and body interference fit, can abandon whole secondary seal's of being convenient for test tube in medical waste recovery department can, need not worry pollution, leak scheduling problem.

Example 32

In this embodiment, a modification of embodiment 31, as shown in fig. 68 to 69, a test tube includes a cap 1, a tube 2 and a connector 3, the tube 2 is connected to the cap 1 through the connector 3, and the cap 1, the tube 2 and the connector 3 are integrally injection molded.

The tube body 2 comprises a plurality of solution cavities 22, a plurality of scraping parts 45 arranged in the solution cavities 22, a test paper cavity 23 arranged on one side of the solution cavities 22 and a through cavity 46 communicated with the solution cavities 22. Wherein, inside each solution chamber 22, each scraping member 45 is connected to the inner wall of the solution chamber 22 and the bottom wall of the solution chamber 22.

A through cavity 46 is arranged between two adjacent solution cavities 22, and each through cavity 46 is respectively communicated with two adjacent solution cavities 22 and is used for playing a transition role or a buffering role between the two adjacent solution cavities 22.

The structure and arrangement of the solution chamber 22, the scraping member 45 and the test paper chamber 23 are substantially the same as those of embodiment 31, and will not be described again.

The using method of this embodiment is substantially the same as that of embodiment 31, and is not described herein again.

Example 33

In this embodiment, a modification of embodiment 32 is shown in fig. 70 to 71, which is a test tube including a cap 1, a tube 2 and a connector 3, wherein the tube 2 is connected to the cap 1 through the connector 3, and the cap 1, the tube 2 and the connector 3 are integrally injection molded.

The structure and connection relationship of the cover 1 and the connector 3 are substantially the same as those of embodiment 32, and are not described herein again.

A through cavity 46 is disposed between two adjacent solution cavities 22, and the through cavity 46 is formed by the scraping members 45 of the two adjacent solution cavities 22 at intervals. Specifically, each solution chamber 22 is provided with at least 3 scraping members 45, wherein two scraping members 45 are provided at the edge of the through chamber 46, i.e. two scraping members 45 are provided at the connection of the solution chamber 22 and the through chamber 46, and the through chamber 46 is surrounded by four scraping members 45 of two adjacent solution chambers 22. The advantage of this design is that the scraping means 45 merges with the edge of the through cavity 46 and scrapes the swab while serving as a spaced through.

The test paper cavity 23 is provided with a space inside, and can accommodate two biochemical test paper strips or two biochemical test paper strip fixing parts in parallel at the same time so as to carry out different detection items at the same time.

Example 34

This example is a test tube comprising the test tube cap of example 1.

As shown in fig. 72, a test tube includes a cover 1, a tube 2 and a connector 3, the tube 2 is connected to the cover 1 through the connector 3, and the cover 1, the tube 2 and the connector 3 are integrally injection molded.

The structure and connection relationship of the connector 3 are substantially the same as those of embodiment 33, and are not described herein again.

The cover 1 further includes a first locking member 47 disposed on an outer wall of the cover 1, and the first locking member 47 is used for being snap-connected to the pipe 2 when the cover 1 closes the pipe 2.

The first locking member 47 is provided on the outer wall of the lid body 1.

In some of these embodiments, the first locking member 47 is a snap hook.

The tube 2 further comprises a second locking member 48 arranged on the outer wall of the tube 2, the second locking member 48 being adapted to snap-fit with the first locking member 47 of the cover 1 when the cover 1 closes the tube 2.

The second locking member 48 is disposed on the outer wall of the nozzle of the tube body 2, and the top end surface of the second locking member 48 is located below the end surface of the nozzle of the tube body 2.

In some of these embodiments, the second locking member 48 is a snap tab.

When the lid body 1 and the tube body 2 are connected by insertion, the first locking member 47 and the second locking member 48 are engaged with each other.

Example 35

This example is a modification of example 34, and as shown in fig. 73, a test tube includes a cap 1, a tube 2, and a connector 3, the tube 2 is connected to the cap 1 through the connector 3, and the cap 1, the tube 2, and the connector 3 are integrally injection-molded.

The structure and connection relationship of the cover 1 and the tube 2 are substantially the same as those of embodiment 34, and are not described herein again.

The connecting body 3 comprises a third locking member 49 arranged on one side of the connecting body 3 and a fourth locking member 50 located on the same side of the third locking member 49. When the lid body 1 and the tube body 2 are connected to each other in an insertion manner, the connector 3 is bent, the position of the third locking member 49 is kept, the fourth locking member 50 is turned over and positioned directly above the third locking member 49, and the third locking member 49 and the fourth locking member 50 are connected to each other in a snap-fit manner.

In some of these embodiments, the third locking member 49 is a snap projection or snap groove and the fourth locking member 50 is a snap projection or snap groove.

The above description is only an example of the preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and those skilled in the art should be able to realize the equivalent alternatives and obvious variations of the present invention.

Claims

1. A test tube cover is characterized by comprising a cover body;

the cover body includes:

an opening disposed through the cover;

a first sealing member provided at one end of the opening to seal the opening;

a sealing elastic member provided on one side of the first sealing member;

2. The cuvette cap according to claim 1, wherein the cap body further comprises:

3. The cuvette cap according to claim 1, wherein the cap body further comprises:

4. The cuvette lid according to claim 3, wherein the lid body further comprises:

a first fitting member provided on an inner wall of the opening;

the limiting part comprises:

5. The cuvette cap according to claim 1, wherein the cap body further comprises:

6. A test tube comprising a test tube cover and a tube body according to any one of claims 1 to 5.

7. The cuvette according to claim 6, further comprising a vent member provided on an inner wall of the nozzle of the tube body and a first seal engagement member provided on an outer wall of the cap body; or, the ventilation component is arranged on the outer wall of the cover body, and the first sealing matching component is arranged on the inner wall of the pipe orifice of the pipe body;

8. The cuvette of claim 6, wherein the cover includes:

a third fitting member provided on an outer wall of the lid body;

the body includes:

a fourth fitting member provided inside the pipe body;

9. The cuvette of claim 6, further comprising an anti-opening assembly;

the cover body includes:

the skirt edge part is arranged on the outer wall of the cover body;

10. The cuvette of claim 9, wherein the anti-opening assembly comprises:

the counter bore component is arranged at the pipe orifice of the pipe body;

The opening prevention assembly includes:

11. The cuvette of claim 10, wherein the anti-opening assembly further comprises:

12. The cuvette of claim 6, wherein the tube body comprises:

13. The cuvette of claim 12, further comprising:

the puncture assembly is arranged at the bottom of the solution cavity.

14. The cuvette of claim 13, wherein the tube body further comprises:

15. The cuvette of claim 12, wherein the tube body further comprises:

16. The cuvette of claim 15, wherein the tube body further comprises:

17. The cuvette of claim 12, wherein the tube body further comprises:

18. The cuvette of any one of claims 12 to 17, wherein the tube body further comprises:

19. The cuvette of claim 6, wherein the cover further comprises:

a first locking member provided to an outer wall of the cover body;

the body still includes:

a second locking member provided to an outer wall of the pipe body;

20. The cuvette of claim 6, further comprising:

21. The cuvette according to claim 20, wherein the connector comprises:

a third locking member provided to the connecting body;