WO2022156812A1 - Couvercle de tube de test et tube de test - Google Patents

Couvercle de tube de test et tube de test Download PDF

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Publication number
WO2022156812A1
WO2022156812A1 PCT/CN2022/073746 CN2022073746W WO2022156812A1 WO 2022156812 A1 WO2022156812 A1 WO 2022156812A1 CN 2022073746 W CN2022073746 W CN 2022073746W WO 2022156812 A1 WO2022156812 A1 WO 2022156812A1
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WO
WIPO (PCT)
Prior art keywords
tube
sealing
cover body
cover
wall
Prior art date
Application number
PCT/CN2022/073746
Other languages
English (en)
Chinese (zh)
Inventor
喻晴
陈翔
周中人
Original Assignee
上海快灵生物科技有限公司
上海妙灵生物工程有限公司
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Filing date
Publication date
Application filed by 上海快灵生物科技有限公司, 上海妙灵生物工程有限公司 filed Critical 上海快灵生物科技有限公司
Publication of WO2022156812A1 publication Critical patent/WO2022156812A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
    • B01L3/50—Containers for the purpose of retaining a material to be analysed, e.g. test tubes
    • B01L3/508—Containers for the purpose of retaining a material to be analysed, e.g. test tubes rigid containers not provided for above
    • B01L3/5082—Test tubes per se
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
    • B01L3/50—Containers for the purpose of retaining a material to be analysed, e.g. test tubes
    • B01L3/508—Containers for the purpose of retaining a material to be analysed, e.g. test tubes rigid containers not provided for above
    • B01L3/5082—Test tubes per se
    • B01L3/50825—Closing or opening means, corks, bungs

Definitions

  • the invention relates to the technical field of biochemical detection devices, in particular to a test tube cover and a test tube.
  • the purpose of the present invention is to provide a test tube cover and test tube in view of the deficiencies in the prior art, so as to at least solve the problem in the related art that the cap needs to be opened to add solution, and the secondary sealing cannot be performed effectively.
  • a first aspect of the present invention is to provide a test tube cover, comprising a cover body
  • the cover body includes:
  • the opening is arranged through the cover body
  • the first sealing member is disposed at one end of the opening to seal the opening;
  • sealing elastic member is arranged on one side of the first sealing member
  • the sealing elastic member includes a scratch, and the scratch is provided on a side of the sealing elastic member away from the first sealing member;
  • the sealing elastic member protrudes toward the first sealing member at the position of the scratch; when the external force applied to the sealing elastic member disappears Next, the sealing elastic member is reset.
  • the cover further includes:
  • the first positioning member is provided inside the opening, the first sealing member is attached to the first positioning member, and the inner diameter of the first positioning member is smaller than the inner diameter of the opening, and smaller than the inner diameter of the first sealing member.
  • the cover further includes:
  • a limiting member, the limiting member is disposed on a side of the sealing elastic member away from the first sealing member.
  • the limiting member is a limiting ring
  • the scratch has a circumscribed circle, and the inner diameter of the limiting member is not less than the outer diameter of the circumscribed circle.
  • the cover further includes:
  • the first fitting member is disposed on the inner wall of the opening
  • the limiting components include:
  • a second fitting member, the second fitting member is provided on the outer wall of the stopper member, and the second fitting member is fitted and connected to the first fitting member.
  • the first fitting part is a fitting groove
  • the second fitting part is a fitting convex ring
  • the cover further includes:
  • the first sealing and matching part is arranged on the outer wall of the cover body, for when the cover body closes the tube body, the cover body is connected to the tube through the first sealing and matching part Body interference fit.
  • the first sealing engagement member is a sealing collar.
  • test tube comprising the above-mentioned test tube cover and tube body.
  • the cover includes:
  • the third fitting part is arranged on the outer wall of the cover body
  • the tube body includes:
  • the fourth fitting part is arranged inside the pipe body
  • the third fitting member is fitted and connected to the fourth fitting member.
  • one of the third fitting part and the fourth fitting part is a fitting convex ring, and the other of the third fitting part and the fourth fitting part is a fitting ring.
  • One is a fitting groove.
  • a ventilation part and a first sealing and matching part are further included, the ventilation part is arranged on the inner wall of the nozzle of the pipe body, and the first sealing and matching part 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 and matching component is arranged on the inner wall of the nozzle of the pipe body;
  • the ventilation member when the cover body seals the tube body for the first time, the ventilation member is in contact with the first sealing and fitting member, and the tube body is connected to the outside of the tube body through the ventilation member. Gas exchange; in the case that the cover body seals the tube body twice, the ventilation part is not in contact with the first sealing and matching part, and the tube body and the cover body pass through the first Seal mating parts with an interference fit.
  • a second sealing and matching part is further included, the second sealing and matching part is disposed on one of the inner wall of the nozzle of the pipe body and the outer wall of the cover body, and is located on the ventilation part one end;
  • the cover body when the cover body seals the tube body for the first time, the first sealing member is in contact with the second sealing member, and the tube body is in contact with the tube body through the ventilation member. Gas exchange is performed outside; when the cover body seals the tube body twice, the tube body and the cover body are interfering through the first sealing and matching parts and the second sealing and matching parts Cooperate.
  • the ventilation component is a plurality of ventilation grooves, and the ventilation grooves are distributed in an annular array on the inner wall of the nozzle of the pipe body or the outer wall of the cover body.
  • the first sealing engagement member is a sealing collar.
  • the second sealing engagement member is a sealing collar.
  • an anti-opening assembly is also included;
  • the cover body includes:
  • skirt part is arranged on the outer wall of the cover body
  • the anti-opening assembly is arranged on the top end face of the pipe body and/or the skirt part of the cover body.
  • the anti-opening assembly includes:
  • the counterbore part is arranged at the mouth of the pipe body
  • the skirt part when the cover body closes the tube body, the skirt part is located inside the counterbore part, and the top plane of the skirt part is not higher than the counterbore part. top plane;
  • the anti-opening assembly includes:
  • the chamfered part is arranged on the outer wall of the skirt part;
  • the width of the cross-section of the upper end of the chamfered part is smaller than the width of the cross-section of the lower end of the chamfered part.
  • the anti-opening assembly further comprises:
  • cover opening part is arranged on the counterbore part, the first end of the cover opening part is located on the inner wall of the counterbore part, and the second end of the cover opening part is located on the counterbore part the outer wall or the upper wall of the counterbore part.
  • the tubular body includes:
  • a solution chamber which is arranged inside the tube body and used for placing functional solutions.
  • the tubular body further includes:
  • a puncturing component is arranged at the bottom of the solution chamber.
  • the tubular body further includes:
  • the tube body also includes:
  • a second positioning member is disposed at the bottom of the solution chamber and is connected to the bottom wall of the solution chamber and/or the side wall of the solution chamber for connecting with the piercing assembly and/or contact to centrally position and/or laterally position the piercing assembly; and/or
  • the third positioning member is disposed at the bottom of the solution chamber and is connected to the bottom wall of the solution chamber and the inner wall of the solution chamber for contacting with the outer wall of the puncturing assembly, to laterally position the piercing assembly;
  • the fourth positioning part is arranged on the inner wall of the solution chamber, and is used for positioning the sample tube placed in the solution chamber, so that the bottom of the sample tube is facing the piercing assembly .
  • the piercing assembly includes:
  • At least two pipe-breaking parts are arranged above the base part, and the pipe-breaking parts include:
  • the spreading element is arranged below the pipe breaking member and is connected with the cutting element;
  • the flow guiding member is arranged between two adjacent pipe breaking members.
  • the tube-breaking component comprises:
  • a first pipe breaking component, the first pipe breaking component includes:
  • the first cutting element is disposed above the first pipe breaking member
  • the first spreading element is arranged below the first pipe breaking member, is located below the first cutting element, and is connected with the first cutting element;
  • the second pipe breaking member, the second pipe breaking member includes:
  • the second cutting element is disposed above the second pipe breaking member
  • the third cutting element is arranged above the second pipe breaking member, is located below the second cutting element, and is connected with the second cutting element;
  • a second spreading element is arranged below the second pipe breaking member, is located below the third cutting element, and is connected with the third cutting element.
  • the number of the first tube breaking member is the same as the number of the second tube breaking member
  • the number of parts is equal or unequal.
  • the number of the first pipe breaker is equal to the number of the second pipe breaker, and the number of the first pipe breaker is equal to the number of the second pipe breaker
  • a second pipe breaking member is arranged between two adjacent first pipe breaking members, and a first pipe breaking member is arranged between two adjacent second pipe breaking members. Tube parts.
  • the number of the first pipe breaking member is one, the number of the second pipe breaking member is two, and the flow guiding member is disposed between the first pipe breaking member and the second pipe breaking member. between the pipes and between the two said second pipe breakers; or
  • first pipe breaking members There are two first pipe breaking members, one second pipe breaking member, and the flow guide member is arranged between the first pipe breaking member and the second pipe breaking member and between the two pipe breaking members. between the first broken pipe parts.
  • the number of the first pipe breaking parts is at least two, the number of the second pipe breaking parts is at least two, and the number of the first pipe breaking parts is the same as the number of the second pipe breaking parts. equal quantity;
  • a second pipe breaking member is arranged between two adjacent first pipe breaking members, and a first pipe breaking member is arranged between two adjacent second pipe breaking members.
  • the first cutting element includes a first inclined edge, and the first inclined edge forms a first included angle with the horizontal plane;
  • the second cutting element includes a second inclined edge, and the second inclined edge forms a second included angle with the horizontal plane;
  • the third cutting element includes a third inclined side, and the third inclined side forms a third included angle with the horizontal plane;
  • first included angle and the second included angle are equal or unequal
  • first included angle and the third included angle are equal or unequal
  • second included angle and the third included angle are equal or unequal Angles vary.
  • the second included angle is smaller than the third included angle.
  • the horizontal width of the first tube breaking member is equal or unequal to the horizontal width of the second tube breaking member.
  • the horizontal width of the first tube breaking member is smaller than the horizontal width of the second tube breaking member.
  • the sum of the horizontal width of the first tube breaking member and the horizontal width of the second tube breaking member is less than or equal to the minimum horizontal width of the base member.
  • the vertical height of the first pipe breaker is equal to the vertical height of the second pipe breaker.
  • the spreading element is a spreading bevel or a spreading spherical surface.
  • the piercing assembly further comprises:
  • a connecting member is provided inside the base member and communicates with the outside of the base member.
  • the piercing assembly further comprises:
  • a fifth fitting member is provided on the inner wall of the connecting member.
  • the fifth fitting component is a fitting convex ring and/or a fitting groove.
  • the tubular body further includes:
  • a sixth fitting member is provided on the outer wall of the second positioning member, and is fitted and connected to the fifth fitting member.
  • the sixth fitting part is a fitting convex ring and/or a fitting groove.
  • the tubular body further includes:
  • a sealing platform is arranged around the top end face of the solution chamber.
  • the tubular body further includes:
  • a second sealing member is disposed on the top end face of the sealing platform, and is used for sealing the solution chamber.
  • the sealing platform there is a certain distance between the outer edge of the sealing platform and the inner wall of the tube portion, and the sealing platform is higher than the bottom surface of the mouthpiece and has a certain vertical distance;
  • the tubular body further includes:
  • a scraping member the scraping member is arranged inside the solution chamber, the height of the scraping member is greater than 15 mm, and the vertex of the scraping member is arranged on a circumferential line with a diameter of 2.0-4.0 mm.
  • the apex of the scraping element forms an inscribed circle with the inner wall of the solution chamber, and the diameter of the inscribed circle is 2.0-4.0 mm.
  • the scraping elements there are several scraping elements, and the vertices of the scraping elements are surrounded to form an inscribed circle, and the diameter of the inscribed circle is 2.0-4.0 mm.
  • the included angle formed between adjacent scraping elements and the center of the solution cavity is less than 170°.
  • each solution chamber is provided with a scraping element
  • the scraping elements are triangular or trapezoidal in cross-section.
  • the cross-sectional neps of the scraping element in particular, increase from the top to the bottom thereof.
  • the tubular body further includes:
  • test paper cavity is arranged inside the pipe body, and is used for placing the biochemical detection device;
  • the solution cavity is communicated with the upper part of the test paper cavity, and the biochemical detection device placed in the test paper cavity and the inner wall of the cover body, the The first sealing member is not in contact.
  • the distance between the outer edge of the test paper cavity and the inner wall of the tube portion is greater than 0.4 mm.
  • the cover further includes:
  • the first locking member is disposed on the outer wall of the cover body
  • the tube body also includes:
  • the second locking member is disposed on the outer wall of the pipe body
  • the first locking member cooperates with the second locking member.
  • it also includes:
  • connecting body is respectively connected with the pipe body and the cover body, and the pipe body, the cover body and the connecting body are integrally formed;
  • the linker comprises:
  • the third locking member is disposed on the connecting body
  • the fourth locking member is provided on the connecting body and is located on one side of the third locking member, wherein when the cover body closes the tube body, the connecting body Being bent, the third locking member cooperates with the fourth locking member.
  • the present invention adopts the above technical scheme, compared with the prior art, has the following technical effects:
  • the first sealing member can seal the tube body to prevent the liquid in the tube body from leaking; After the injection part of the syringe carrying the solution passes through the scratch and pierces the first sealing part, it extends into the inside of the tube body and injects the solution into the inside of the tube body without opening the cap to avoid contamination; after the injection is completed, remove the syringe.
  • the sealing elastic part can be restored to its original state, and the tube body can be simply sealed twice, and the operation is simple and convenient.
  • Example 1 is a schematic diagram of a test tube according to Example 1 of the present application.
  • FIG. 2 is a top view of the cover according to Embodiment 1 of the present application.
  • FIG. 3 is a cross-sectional view of the cover according to Embodiment 1 of the present application.
  • 4a-4c are schematic diagrams of scratches according to Embodiment 1 of the present application.
  • Example 5 is a partial cross-sectional view (unassembled) of a test tube according to Example 2 of the present application;
  • Example 6 is a schematic diagram of a test tube according to Example 3 of the present application.
  • Example 7 is a cross-sectional view of a test tube according to Example 3 of the present application.
  • 8a to 8b are schematic diagrams of the use state of the test tube according to Example 3 of the present application.
  • Example 9 is a schematic diagram of a test tube according to Example 4 of the present application.
  • Example 10 is a cross-sectional view of a test tube according to Example 4 of the present application.
  • FIGS 11a to 11b are schematic diagrams of the use state of the test tube according to Example 4 of the present application.
  • Example 12 is a schematic diagram of a test tube according to Example 5 of the present application.
  • Example 13 is a cross-sectional view of a test tube according to Example 5 of the present application.
  • Figures 14a-14b are schematic diagrams of the use state of the test tube according to Example 5 of the present application.
  • Example 15 is a schematic diagram of a test tube according to Example 6 of the present application.
  • Example 16 is a cross-sectional view of a test tube according to Example 6 of the present application.
  • Figures 17a-17b are schematic diagrams of the use state of the test tube according to Example 6 of the present application.
  • Fig. 19 is a top view of the unsealed state of the test tube according to Example 10 of the present application.
  • FIG. 20 is a cross-sectional view of a closed state of the test tube according to Embodiment 10 of the present application.
  • Fig. 21 is a top view of the unsealed state of the test tube according to Example 11 of the present application:
  • FIG. 22 is a top view of the unclosed state of the test tube according to Example 12 of the present application.
  • Example 23 is a cross-sectional view of a closed state of the test tube according to Example 12 of the present application.
  • Example 25 is a cross-sectional view of a closed state of the test tube according to Example 13 of the present application.
  • 26 is a cross-sectional view of the unsealed state of the test tube according to Example 14 of the present application.
  • FIG. 27 is a sectional view of the closed state of the 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.
  • 29 is a cross-sectional view of a closed state of the test tube according to Example 15 of the present application.
  • Example 30 is a top view of a test tube according to Example 16 of the present application.
  • FIG. 31 is a partial schematic diagram of the interior of the solution chamber according to Embodiment 16 of the present application.
  • Figure 32 is a top view of a test tube according to Example 17 of the present application.
  • FIG. 33 is a partial schematic diagram of the interior of the solution chamber according to Embodiment 17 of the present application.
  • Figure 34 is a top view of a test tube according to Example 18 of the present application.
  • 35 is a partial schematic diagram of the interior of the solution chamber according to Embodiment 18 of the present application.
  • Fig. 36 is a schematic diagram (1) of a broken pipe structure according to Embodiment 21 of the present application.
  • Fig. 37 is a schematic diagram (2) of a broken pipe structure according to Embodiment 21 of the present application.
  • FIG. 38 is a top view of the broken pipe structure according to Embodiment 21 of the present application.
  • Fig. 40 is a schematic diagram (1) of a broken pipe structure according to Embodiment 22 of the present application.
  • Fig. 41 is a schematic diagram (2) of a broken pipe structure according to Embodiment 22 of the present application.
  • Fig. 42 is a top view of the broken pipe structure according to Embodiment 22 of the present application.
  • FIG. 43 is a cross-sectional view of a broken pipe structure according to Embodiment 22 of the present application.
  • Fig. 44 is a schematic diagram (1) of a broken pipe structure according to Embodiment 23 of the present application.
  • Fig. 45 is a schematic diagram (2) of a broken pipe structure according to Embodiment 23 of the present application.
  • Figure 46 is a top view of the broken pipe structure according to Embodiment 23 of the present application.
  • Fig. 48 is a schematic diagram (1) of a broken pipe structure according to Embodiment 24 of the present application.
  • Fig. 49 is a schematic diagram (1) of a broken pipe structure according to Embodiment 24 of the present application.
  • Fig. 50 is a top view of the broken pipe structure according to Embodiment 24 of the present application.
  • Figure 52 is a schematic diagram of a broken pipe structure according to Embodiment 25 of the present application.
  • Figure 53 is a bottom view of the broken pipe structure according to Embodiment 25 of the present application.
  • Fig. 55 is a sectional view (1) of the broken pipe structure according to Embodiment 26 of the present application.
  • Fig. 56 is a sectional view (2) of the broken pipe structure according to Embodiment 26 of the present application.
  • 57 is a cross-sectional view of the second positioning member according to Embodiment 26 of the present application.
  • FIG. 58 is a cross-sectional view of an unsealed state of the test tube according to Example 27 of the present application.
  • Example 27 is a cross-sectional view of the closed state of the test tube according to Example 27 of the present application.
  • Figure 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 the test tube according to Example 28 of the present application.
  • Figure 62 is a top view of a test tube according to Example 29 of the present application.
  • Figure 63 is a cross-sectional view of an unsealed state of the test tube according to Example 29 of the present application.
  • Figure 64 is a top view of a test tube according to Example 30 of the present application.
  • FIG. 65 is a cross-sectional view of the unsealed state of the test tube according to Embodiment 30 of the present application.
  • Figure 66 is a top view of a test tube 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.
  • Figure 68 is a top view of a test tube according to Example 32 of the present application.
  • Figure 69 is a cross-sectional view of the unclosed state of the test tube according to Example 32 of the present application.
  • Figure 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 the unsealed state of the test tube according to Example 33 of the present application.
  • Figure 72 is a cross-sectional view of an unsealed state of the test tube according to Example 34 of the present application.
  • 73 is a cross-sectional view of an unsealed state of a test tube according to Example 35 of the present application.
  • the reference signs are: 1. Cover body; 2. Tube body; 3. Connecting body;
  • Ventilation component 16. Second sealing and matching component;
  • a test tube cover includes a cover body 1, and the cover body 1 can seal the tube body 2, so as to prevent the liquid in the tube body 2 from leaking from the tube body. 2 outflow.
  • the cover body 1 includes an opening 4 , a first sealing member 5 and a sealing elastic member 6 .
  • the opening 4 is arranged through the upper and lower ends of the cover body 1
  • the first sealing member 5 is arranged at one end of the opening 4 to seal the cover body 1
  • the sealing elastic member 6 is arranged on the upper end surface of the first sealing member 5 and The first sealing member 5 is covered.
  • the sealing elastic member 6 includes a scratch 7 , and the scratch 7 is provided on the side of the sealing elastic member 6 away from the first sealing member 5 . Specifically, the scratches 7 are provided on the upper end surface of the sealing elastic member 6 .
  • the scratches 7 are provided through the upper and lower ends of the sealing elastic member 6 .
  • the scratch 7 is composed of at least three dividing slits, and the first ends of the plurality of dividing slits are connected to form a shape that diverges outward from the center point. If the number of separation slits is n (n is a natural number greater than or equal to 3), the included angle formed by two adjacent separation slits is 360°/n.
  • the preferred number of separation slits is 3 to 5, that is, the scratches 7 are in the shape of a triangular star (FIG. 4a), a cross (FIG. 4b), and a pentagram (FIG. 4c).
  • the cover body 1 further includes a first positioning member 8 .
  • the first positioning member 8 is disposed inside the opening 4 and integrally formed with the opening 4 .
  • the first sealing 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 sealing member 5 .
  • the first positioning member 8 is a mounting boss.
  • the cover body 1 further includes a limiting member 9, and the limiting member 9 is arranged on the side of the sealing elastic member 6 away from the first sealing member 5, that is, the on the upper end face of the sealing elastic member 6 .
  • the limiting member 9 is connected with the cover body 1 to limit the displacement of the sealing elastic member 6 in the vertical direction.
  • the limiting member 9 is a limiting ring.
  • the scratch 7 has a circumscribed circle, and the inner diameter of the limiting member 9 is not less than the outer diameter of the circumscribed circle.
  • the limiting member 9 is fitted and connected to the cover body 1 .
  • the cover body 1 includes a first fitting member 10 , and the first fitting member 10 is disposed on the inner wall of the opening 4 and located above the first positioning member 8 .
  • the limiting member 9 includes a second fitting member 11 , and the second fitting member 11 is provided on the outer wall of the limiting member 9 .
  • the first fitting member 10 is fitted and connected with the second fitting member 11, so as to improve the connection strength of the limiting member 9 and the cover body 1 and avoid the occurrence of limitation The case where the bit member 9 falls off.
  • the first fitting part 10 is a fitting groove
  • the second fitting part 11 is a fitting convex ring.
  • the first sealing member 5 is a sealing film, such as an aluminum foil film.
  • the sealing elastic member 6 is made of any one or a combination of materials such as plastic, rubber, and silicone.
  • the use method of the present invention is as follows: the cover body 1 is set to close the tube body 2 (such as insert-type assembly, screw-type assembly, external-insertion assembly, etc.); the injection part (such as the needle) of the syringe carrying the solution is passed through the scratch 7 and pierce the first sealing member 5, extend into the interior of the tube body 2, and inject the solution into the interior of the tube body 2; after the injection is completed, the syringe is removed, and the sealing elastic member 6 is restored to its original state.
  • the sealing member 5 is damaged, but the sealing elastic member 6 shields the damaged first sealing member 5 and makes the tube body 2 assume a sealing state again.
  • This embodiment is an improved embodiment of the cover body 1 of the first embodiment.
  • the cover body 1 further includes a first sealing and matching part 12 , and the first sealing and matching part 12 is arranged on the outer wall of the cover body 1 , and is used for the case where the cover body 1 closes the tube body 2
  • the first sealing and matching part 12 is in an interference fit with the inner wall of the nozzle of the pipe body 2 , so as to improve the connection strength between the cover body 1 and the pipe body 2 .
  • the cover body 1 further includes a third fitting part 13
  • the third fitting part 13 is arranged on the outer wall of the cover body 1 and is located above the first sealing and matching part 12 .
  • the tube body 2 further includes a fourth fitting part 14, which ends at the inner wall of the nozzle of the tube body 2, and is used for fitting with the third fitting part 13 when the cover body 1 closes the tube body 2. combined connection.
  • the third fitting part 13 is a fitting convex ring
  • the fourth fitting part 14 is a fitting groove
  • the third fitting part 13 is a fitting groove
  • the fourth fitting part 14 is a fitting convex ring.
  • interference fit and fitting connection are used to improve the connection strength between the cover body 1 and the tube body 2 , and prevent the cover body 1 and the tube body 2 from being separated when the cover body 1 closes the tube body 2 .
  • This example is a test tube including the test tube cover of Example 1.
  • a test tube includes a cover body 1, a tube body 2 and a connecting body 3, the tube body 2 is connected with the cover body 1 through the connecting body 3, and the cover body 1, the tube body 2 and the connecting body 3 One-piece injection molding.
  • the pipe body 2 includes a ventilation part 15 arranged on the inner wall of the nozzle of the pipe body 2, which is used to exchange gas between the inside and the outside of the pipe body 2 through the ventilation part 15 when the pipe body 2 is in a semi-closed state, such as a vacuuming operation. , Keep the internal and external pressure of the pipe body 2 consistent.
  • the ventilation member 15 is a plurality of ventilation grooves, and the plurality of ventilation grooves are distributed in an annular array on the inner wall of the nozzle of the pipe body 2 , and the inner diameter of each ventilation groove is equal to the inner diameter of the nozzle of the pipe body 2 .
  • the outer diameter of the ventilation groove is smaller than the outer diameter of the nozzle of the pipe body 2 .
  • the cover body 1 includes a first sealing and matching part 12 arranged on the outer wall of the cover body 1 , which is used for interference fit with the inner wall of the nozzle of the pipe body 2 when the cover body 1 completely closes the pipe body 2 to prevent the pipe body 2
  • the inside of the tube body 2 exchanges gas with the outside of the tube body 2 .
  • the first sealing and matching part 12 is an annular protrusion whose outer diameter is larger than the inner diameter of the orifice of the pipe body 2 .
  • the outer diameter of the first sealing and matching part 12 is smaller than the outer diameter of the venting part 15 , that is, during the process of closing the tube body 2 by the cover body 1 , the first sealing and matching part 12 is embedded in the ventilation part 15 , but The first sealing mating part 12 cannot block the ventilation part 15 .
  • the connecting body 3 is a connecting bar, which makes the tube body 2 and the cover body 1 integrally connected, avoiding the problem of needing to manually assemble the tube body 2 and the cover body 1 due to the split design, reducing the production process and improving the production efficiency.
  • the use method of this embodiment is as follows: as shown in FIG. 8 a , the cover body 1 seals the tube body 2 for the first time (semi-closed state), and the first sealing and matching part 12 of the cover body 1 is inserted into the ventilation part 15 of the tube body 2 , since the outer diameter of the first sealing and fitting part 12 is smaller than the outer diameter of the ventilation part 15, the inside of the tube body 2 can exchange gas with the outside of the tube body 2 through the ventilation part 15; as shown in Figure 8b, the cover body 1 Continue to move downward, the cover body 1 seals the tube body 2 for the second time (completely closed state or sealed state), the first sealing and matching part 12 of the cover body 1 and the inner wall of the tube body 2 located below the ventilation part 15 interfere with each other In cooperation, at this time, the inside of the tube body 2 and the outside of the tube body 2 cannot exchange gas, so that the test tube which is convenient for secondary sealing is in a sealed state.
  • An application scenario of the present invention is as follows: when the sample is freeze-dried, the semi-closed state can make the water or solvent in the test tube convenient for secondary sealing discharged to the outside of the test tube convenient for secondary sealing through the ventilation part 15; After the freeze-drying is completed, a downward pressure is applied to the cover body 1 to complete the sealing of the test tube for secondary sealing, so as to prevent water vapor from entering the interior of the test tube for secondary sealing again.
  • the test tube convenient for secondary sealing is easy to operate, and the two-stage sealing can solve the problems of moisture return and water absorption after drying.
  • a test tube that is convenient for secondary sealing includes a cover body 1 , a tube body 2 and a connecting body 3 , and the tube body 2 passes through the connecting body 3 . It is connected with the cover body 1, and the cover body 1, the pipe body 2 and the connecting body 3 are integrally injection-molded.
  • cover body 1 and the connecting body 3 are basically the same as those in Embodiment 1, and will not be repeated here.
  • the pipe body 2 includes a ventilation part 15 provided on the inner wall of the nozzle of the pipe body 2 and a second sealing and matching part 16 provided on the inner wall of the nozzle of the pipe body 2 .
  • the ventilation part 15 is used to exchange 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 vacuuming operation, to keep the inner and outer pressures of the tube body 2 consistent;
  • the matching part 16 is arranged under the ventilation part 15, for when the tube body 2 is in a semi-closed state, the first sealing and matching part 12 is located above the second sealing and matching part 16, and when the tube body 2 is in a completely closed state, the first sealing and matching part 12 is located above the second sealing and matching part 16.
  • a sealing mating part 12 is located below the second sealing mating part 16 .
  • the structure and connection relationship of the ventilation member 15 are basically the same as those of the first embodiment, and are not repeated here.
  • the first sealing and matching part 12 is a sealing convex ring
  • the second sealing and matching part 16 is a sealing convex ring.
  • the inner diameter of the second sealing and matching part 16 is smaller than the outer diameter of the first sealing and matching part 12 .
  • the use method of this embodiment is as follows: as shown in FIG. 11a , the cover body 1 seals the tube body 2 for the first time (semi-closed state), and the first sealing and matching part 12 of the cover body 1 is located in the second seal of the tube body 2 Above the mating part 16 , since the outer diameter of the first sealing and mating part 12 is larger than the inner diameter of the second sealing and mating part 16 , under the blocking of the second sealing and mating part 16 , the first sealing and mating part 12 will not interact with the pipe body.
  • the inner wall of the nozzle of 2 performs an interference fit, and the inside of the pipe 2 can exchange gas with the outside of the pipe 2 through the ventilation part 15; as shown in Figure 11b, the cover 1 continues to move downward, and the cover 1 is opposite to the pipe. 2.
  • the first sealing and matching part 12 of the cover body 1 Carry out the second sealing (completely closed state or sealed state), the first sealing and matching part 12 of the cover body 1 passes over the second sealing and matching part 16 of the tube body 2 and passes over the inner wall of the tube body 2 below the ventilation part 15; At this time, under the action of the first sealing and matching part 12 and the second sealing and matching part 16, the inside of the tube body 2 and the outside of the tube body 2 cannot exchange gas, so that the test tube which is convenient for secondary sealing is sealed. state.
  • the advantage of this embodiment is that the second sealing and matching part can be used for positioning, which is convenient for the user to judge the sealing state of the cover body and the tube body according to the different positions of the first sealing and matching part, so as to satisfy the test tube which is convenient for secondary sealing. Switch between different states of ventilation and tube sealing which is convenient for secondary sealing.
  • a test tube that is convenient for secondary sealing includes a cover body 1 , a tube body 2 and a connecting body 3 , and the tube body 2 passes through the connecting body 3 . It is connected with the cover body 1, and the cover body 1, the pipe body 2 and the connecting body 3 are integrally injection-molded.
  • connection relationship of the connecting body 3 are basically the same as those in Embodiment 1, and are not repeated here.
  • the cover body 1 includes a first sealing fitting part 12 and a third fitting part 13 provided on the outer wall of the cover body 1 .
  • the first sealing and fitting part 12 is used for interference fit with the fourth fitting part 14 when the cover body 1 half-closes the tube body 2, and is used for the interference fit with the fourth fitting part 14 when the cover body 1 completely closes the tube body 2, Interference fit with the inner wall of the nozzle of the tube body 2 to prevent gas exchange between the inside of the tube body 2 and the outside of the tube body 2; When the tube body 2 is completely closed, the tube body 2 is fitted.
  • the structure and connection relationship of the first sealing and matching part 12 are basically the same as those in Embodiment 1, and are not repeated here.
  • the third fitting part 13 has a fitting protrusion smaller than the outer diameter of the first sealing and matching part 12 .
  • the pipe body 2 includes a ventilation member 15 provided on the inner wall of the nozzle of the pipe body 2 and a fourth fitting member 14 provided on the inner wall of the nozzle of the pipe body 2 .
  • the ventilation part 15 is used to exchange 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 vacuuming operation, to keep the inner and outer pressures of the tube body 2 consistent;
  • the fitting member 14 is connected with the ventilation member 15 for the first fitting with the cover body 1 when the tube body 2 is in a semi-closed state, and the third fitting member 13 when the tube body 2 is in a completely closed state. Chimeric.
  • the structure and connection relationship of the ventilation member 15 are basically the same as those of the first embodiment, and are not repeated here.
  • the fourth fitting part 14 is a fitting groove, the inner diameter of which is equal to the inner diameter of the nozzle of the pipe body 2 , and the outer diameter of which is smaller than the outer diameter of the nozzle of the pipe body 2 and smaller than the ventilation part 15
  • the outer diameter is equal to the outer diameter of the third fitting part 13 .
  • the use method of this embodiment is as follows: as shown in FIG. 14 a , the cover body 1 seals the tube body 2 for the first time (semi-closed state), and the first sealing and matching part 12 of the cover body 1 is inserted into the fourth sealing part of the tube body 2 .
  • the inside of the tube body 2 can exchange gas with the outside of the tube body 2 through the ventilation part 15; as shown in Figure 14b
  • the cover body 1 continues to move downward, the cover body 1 seals 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 and the tube body located below the ventilation part 15
  • the inner wall of 2 is in an interference fit, and the third fitting part 13 of the cover body 1 is fitted with the fourth fitting part 14 of the tube body 2.
  • the inside of the tube body 2 and the outside of the tube body 2 cannot exchange gas.
  • the test tube which is convenient for secondary sealing is kept in a sealed state.
  • the advantage of this embodiment is that the third fitting part and the fourth fitting part are used for fitting connection, under the double action of interference fit and fitting connection, the difficulty of separating the cover body from the tube body is greatly improved, avoiding In the case where the cap body completely closes the tube body, the cap body is separated from the tube body.
  • a test tube that is convenient for secondary sealing includes a cover body 1 , a tube body 2 and a connecting body 3 , and the tube body 2 passes through the connecting body 3 . It is connected with the cover body 1, and the cover body 1, the pipe body 2 and the connecting body 3 are integrally injection-molded.
  • the structure and connection relationship of the connector 3 are basically the same as those of the third embodiment, and are not repeated here.
  • 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 to exchange 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 vacuuming operation, to keep the inner and outer pressures of the tube body 2 consistent;
  • the joint part 13 is connected with the ventilation part 15 for the first fitting with the first sealing and matching part 12 when the tube body 2 is in a semi-closed state, and for the first time when the tube body 2 is in a completely closed state, and the tube body 2 is in a completely closed state. Perform a second chimera.
  • the ventilation member 15 is a plurality of ventilation grooves, and the ventilation grooves are distributed in an annular array on the outer wall of the cover body 1 , the outer diameter of each ventilation groove is equal to the outer diameter of the cover body 1 , and the The inner diameter is larger than the inner diameter of the cover body 1 .
  • the third fitting part 13 is a fitting groove, the inner diameter of which is larger than the inner diameter of the ventilation part 15 .
  • the pipe body 2 includes a first sealing fitting part 12 provided on the inner wall of the nozzle of the pipe body 2 and a fourth fitting part 14 provided on the inner wall of the nozzle of the pipe body 2 .
  • the first sealing and matching part 12 is used for fitting with the cover body 1 when the tube body 2 is in a semi-closed state, and for interference fit with the cover body 1 when the tube body 2 is in a completely closed state;
  • the fourth The fitting member 14 is not in contact with the first sealing fitting member 12, and is used for fitting with the third fitting member 13 when the tube body 2 is in a completely closed state.
  • the first sealing and matching part 12 is an annular protrusion whose inner diameter is smaller than the inner diameter of the nozzle of the pipe body 2 .
  • the fourth fitting part 14 is a fitting protrusion, the inner diameter of which is smaller than the inner diameter of the orifice of the pipe body 2 and larger than the inner diameter of the first sealing and matching part 12 .
  • the inner diameter of the first sealing and matching part 12 is larger than the inner diameter of the ventilation part 15 , that is, during the process of closing the tube body 2 by the cover body 1 , the first sealing and matching part 12 is embedded in the ventilation part 15 , but the first sealing and matching part 12 is embedded in the ventilation part 15 .
  • the sealing mating part 12 cannot block the vent part 15 .
  • the use method of this embodiment is as follows: as shown in FIG. 17 a , the cover body 1 seals the tube body 2 for the first time (semi-closed state), and the first sealing and matching part 12 of the tube body 2 is inserted into the third sealing part of the cover body 1 . Since the inner diameter of the first sealing and fitting part 12 is larger than the inner diameter of the ventilation part 15, the inside of the tube body 2 can exchange gas with the outside of the tube body 2 through the ventilation part 15; as shown in Figure 17b, The cover body 1 continues to move downward, and the cover body 1 seals the tube body 2 for the second time (completely closed state or sealed state), and the first sealing and matching part 12 of the tube body 2 and the cover body 1 located above the ventilation part 15.
  • the outer wall is interference fit, and the third fitting part 13 of the cover body 1 is fitted with the fourth fitting part 14 of the tube body 2. At this time, the gas exchange between the inside of the tube body 2 and the outside of the tube body 2 cannot be performed, so that the Test tubes that facilitate secondary sealing are in a sealed state.
  • test tube that is convenient for secondary sealing, comprising a cover body 1, a tube body 2 and a connector body 3, the tube body 2 is connected with the cover body 1 through the connector body 3, and the cover body 1, the tube body 2 and the connector body 3 are integrally injection-molded .
  • connection relationship of the connecting body 3 are basically the same as those in Embodiment 1, and are not repeated here.
  • the pipe body 2 includes a first sealing and matching part 12 arranged on the inner wall of the nozzle of the pipe body 2 .
  • the first sealing and fitting part 12 is used for fitting with the cover body 1 when the tube body 2 is in a semi-closed state, and for interference fit with the cover body 1 when the tube body 2 is in a completely closed state.
  • the first sealing and matching part 12 is an annular protrusion whose inner diameter is smaller than the inner diameter of the nozzle of the pipe body 2 .
  • the cover body 1 includes a ventilation part 15 arranged on the outer wall of the cover body 1 and a second sealing and matching part 16 arranged on the outer wall of the cover body 1 .
  • the ventilation part 15 is used to exchange 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 vacuuming operation, to keep the inner and outer pressures of the tube body 2 consistent;
  • the matching part 16 is arranged above the ventilation part 15, for when the tube body 2 is in a semi-closed state, the first sealing and matching part 12 is located below the second sealing and matching part 16, and when the tube body 2 is in a completely closed state, the first sealing and matching part 12 is located below the second sealing and matching part 16.
  • a sealing mating part 12 is located above the second sealing mating part 16 .
  • the ventilation member 15 is an annular ventilation groove, the outer diameter of the ventilation member 15 is equal to the outer diameter of the cover body 1 , and the inner diameter of the ventilation member 15 is smaller than the inner diameter of the cover body 1 .
  • the ventilation member 15 is a plurality of ventilation grooves, and the ventilation grooves are distributed in an annular array on the outer wall of the cover body 1 , the outer diameter of each ventilation groove is equal to the outer diameter of the cover body 1 , and the The inner diameter is larger than the inner diameter of the cover body 1 .
  • the first sealing and matching part 12 is a sealing convex ring
  • the second sealing and matching part 16 is a sealing convex ring.
  • the inner diameter of the second sealing and matching part 16 is smaller than the outer diameter of the first sealing and matching part 12 .
  • the use method of this embodiment is as follows: the cover body 1 seals the tube body 2 for the first time (semi-closed state), the second sealing and matching part 16 of the cover body 1 is located above the first sealing and matching part 12 of the tube body 2, Since the outer diameter of the first sealing and matching member 12 is larger than the inner diameter of the second sealing and matching member 16 , under the blocking of the second sealing and matching member 16 , the first sealing and matching member 12 will not interfere with the outer wall of the cover body 1 .
  • the inside of the tube body 2 can exchange gas with the outside of the tube body 2 through the ventilation part 15; the cover body 1 continues to move downward, and the cover body 1 seals the tube body 2 for the second time (completely closed state or sealed state) , the first sealing and matching part 12 of the pipe body 2 passes over the second sealing and matching part 16 of the cover body 1 and then interferes with the outer wall of the cover body 1 located above the ventilation part 15. At this time, the first sealing and matching part 12 and Under the action of the second sealing and matching member 16, the inside of the tube body 2 and the outside of the tube body 2 cannot exchange gas, so that the test tube which is convenient for secondary sealing is in a sealed state.
  • test tube that is convenient for secondary sealing, comprising a cover body 1, a tube body 2 and a connector body 3, the tube body 2 is connected with the cover body 1 through the connector body 3, and the cover body 1, the tube body 2 and the connector body 3 are integrally injection-molded .
  • connection relationship of the connecting body 3 are basically the same as those in Embodiment 1, and are not repeated here.
  • the pipe body 2 includes a ventilation part 15 arranged on the inner wall of the nozzle of the pipe body 2 , a second sealing and fitting part 16 arranged on the inner wall of the nozzle of the pipe body 2 , and a fourth fitting part arranged on the inner wall of the nozzle of the pipe body 2 14.
  • the ventilation part 15 is used to exchange 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 vacuuming operation, to keep the inner and outer pressures of the tube body 2 consistent;
  • the second seal The matching part 16 is arranged under the ventilation part 15, for when the tube body 2 is in a semi-closed state, the first sealing and matching part 12 is located above the second sealing and matching part 16, and when the tube body 2 is in a completely closed state, the first sealing and matching part 12 is located above the second sealing and matching part 16.
  • a sealing fitting part 12 is located below the second sealing fitting part 16; the fourth fitting part 14 is connected with the ventilation part 15, and is used for the first fitting with the cover body 1 when the tube body 2 is in a semi-closed state, And when the tube body 2 is in a completely closed state, the second fitting is performed with the cover body 1 .
  • the structure and connection relationship of the ventilation part 15 are basically the same as those of the first embodiment, the structure and connection relationship of the second sealing and matching part 16 are basically the same as those of the second embodiment, and the structure and the connection relationship of the fourth fitting part 14 are the same as those of the third embodiment. It is basically the same and will not be repeated here.
  • the cover body 1 includes a first sealing fitting part 12 and a third fitting part 13 provided on the outer wall of the cover body 1 .
  • the first sealing and fitting part 12 is used for interference fit with the fourth fitting part 14 when the cover body 1 half-closes the tube body 2, and is used for the interference fit with the fourth fitting part 14 when the cover body 1 completely closes the tube body 2, Interference fit with the inner wall of the nozzle of the tube body 2 to prevent gas exchange between the inside of the tube body 2 and the outside of the tube body 2; When the tube body 2 is completely closed, it is fitted with the fourth fitting member 14 .
  • first sealing and matching part 12 and the third fitting part 13 are basically the same as those in Embodiment 3, and will not be repeated here.
  • the use method of this embodiment is as follows: the cover body 1 seals the tube body 2 for the first time (semi-closed state), the first sealing and matching part 12 of the cover body 1 is located above the second sealing and matching part 16 of the tube body 2, The third fitting member 13 of the cover body 1 is located above the fourth fitting member 14 of the tube body 2.
  • the cover body 1 Since the outer diameter of the first sealing and fitting member 12 is larger than the inner diameter of the second sealing and fitting member 16, the second sealing member Under the blocking of the mating part 16, the first sealing mating part 12 will not interfere with the inner wall of the nozzle of the pipe body 2, 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 Continue to move downward, the cover body 1 seals the tube body 2 for the second time (completely closed state or sealed state), the first sealing and matching part 12 of the cover body 1 crosses the second sealing and matching part 16 of the tube body 2 The inner wall of the tube body 2 located below the ventilation member 15 is in an interference fit, and the third fitting member 13 of the cover body 1 is fitted and connected with the fourth fitting member 14 of the tube body 2.
  • the test tube which is convenient for secondary sealing is kept in a sealed state.
  • test tube that is convenient for secondary sealing, comprising a cover body 1, a tube body 2 and a connector body 3, the tube body 2 is connected with the cover body 1 through the connector body 3, and the cover body 1, the tube body 2 and the connector body 3 are integrally injection-molded .
  • connection relationship of the connecting body 3 are basically the same as those in Embodiment 1, and are not repeated here.
  • the pipe body 2 includes a first sealing fitting part 12 provided on the inner wall of the nozzle of the pipe body 2 and a fourth fitting part 14 provided on the inner wall of the nozzle of the pipe body 2 .
  • the first sealing and matching part 12 is used for fitting with the cover body 1 when the tube body 2 is in a semi-closed state, and for interference fit with the cover body 1 when the tube body 2 is in a completely closed state;
  • the fourth The fitting member 14 is not in contact with the first sealing fitting member 12, and is used for fitting with the cover body 1 when the tube body 2 is in a completely closed state.
  • first sealing and matching part 12 and the fourth fitting part 14 are basically the same as those of the fourth embodiment.
  • the tube body 2 includes a ventilation part 15 provided on the outer wall of the cover body 1 , a second sealing and fitting part 16 provided on the outer wall of the cover body 1 , and a third fitting part 13 provided on the outer wall of the cover body 1 .
  • the ventilation part 15 is used to exchange 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 vacuuming operation, to keep the inner and outer pressures of the tube body 2 consistent;
  • the matching part 16 is arranged above the ventilation part 15, for when the tube body 2 is in a semi-closed state, the first sealing and matching part 12 is located below the second sealing and matching part 16, and when the tube body 2 is in a completely closed state, the first sealing and matching part 12 is located below the second sealing and matching part 16.
  • a sealing and fitting part 12 is located above the second sealing and fitting part 16;
  • the third fitting part 13 is connected with the ventilation part 15 for fitting with the fourth fitting part 14 when the tube body 2 is in
  • the use method of this embodiment is as follows: the cover body 1 seals the tube body 2 for the first time (semi-closed state), the second sealing and matching part 16 of the cover body 1 is located above the first sealing and matching part 12 of the tube body 2, The third fitting part 13 is located above the fourth fitting part 14 . Since the outer diameter of the first sealing and fitting part 12 is larger than the inner diameter of the second sealing and fitting part 16 , under the blocking of the second sealing and fitting part 16 , the A sealing and fitting part 12 will not interfere with the outer wall of the cover body 1, 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 tube body 2 is closed for the second time (completely closed state or sealed state).
  • the outer wall is in an interference fit, and the fourth fitting part 14 of the tube body 2 is fitted and connected with the third fitting part 13 of the cover body 1. At this time, the interference between the first sealing fitting part 12 and the second sealing fitting part 16 Under the joint action of the fitting and the fitting and connection of the fourth fitting part 14 and the third fitting part 13, the inside of the tube body 2 and the outside of the tube body 2 cannot exchange gas, so that the test tube which is convenient for secondary sealing is sealed. state.
  • This example is a test tube including the test tube cover of Example 1.
  • a test tube includes a cover body 1, a tube body 2 and a connecting body 3.
  • the tube body 2 and the cover body 1 are connected by the connecting body 3, and the tube body 2 and the cover body 1 are connected by inserting .
  • 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.
  • the width of the test paper cavity 23 (diameter direction of the tube body 2) is not more than 2.8mm, and the depth of the test paper cavity 23 is not less than 28mm
  • the cover body 1 closes the tube body 2
  • the cover body 1 when the cover body 1 closes the tube body 2, there is a horizontal interval between the outer edge of the test paper cavity 23 and the inner wall of the cover body 1, which is at least 0.5 mm, which is used to prevent the test paper cavity from being placed in the test paper cavity.
  • the biochemical test paper in 23 is in contact with the interior of the cover body 1 or forms a wall.
  • the cover body 1 when the cover body 1 closes the tube body 2, there is a vertical interval between the top wall of the test paper cavity 23 and the bottom wall of the cover body 1, and the vertical interval is less than 2 mm.
  • the solution chamber 22 is a regular-shaped chamber (eg, a circular chamber, a rectangular chamber, a trapezoidal chamber) or an irregular-shaped chamber.
  • the test paper cavity 23 is a regular-shaped cavity (eg, a circular cavity, a rectangular cavity, a trapezoidal cavity) or an irregular shape.
  • the test paper cavity 23 is a biochemical test paper cavity, the top of which is communicated with the solution cavity 22 .
  • the number of solution chambers 22 may be several, the axes of the several 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 function sexual Reagents.
  • functional reagents include but are not limited to degrading enzymes, lysis solutions, probes, buffer solutions, diluents, etc., or reagents for subsequent reactions after biochemical reactions are completed.
  • the number of test paper cavities 23 may be several, the axes of the several test paper cavities 23 are parallel, and each test paper cavity 23 has biochemical test paper placed therein, which can simultaneously detect different indicators of the same sample.
  • test paper cavities 23 are arranged around the axial direction of the tube body 2 as the center.
  • the cover body 1 includes a skirt part 17 , and the skirt part 17 is provided on the outer wall of the cover 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 conjoined structure.
  • the connecting body 3 may be a connecting bar, one end of which is connected to the pipe body 2 and the other end of which is connected to the cover body 1 .
  • the specially designed test paper fixing part is used, so that the biochemical test paper placed in the test paper fixing part neither touches the inner wall of the tube part nor the inside of the cover part, so as to avoid the occurrence of sticking of the biochemical test paper to the wall. .
  • This embodiment is a modified embodiment of Embodiment 10.
  • the difference between this embodiment and Embodiment 10 is that the test paper cavity 23 is different.
  • the test paper cavity 23 is a biochemical test paper container positioned by the side wall 113 of the solution cavity 22 and the outer wall of the solution cavity 22.
  • the top of the biochemical test paper container is provided with a communication hole with the sample solution receiving end of the biochemical test paper.
  • the biochemical test paper located in the biochemical test paper container extends for a certain length from the top of the biochemical test paper container.
  • This embodiment is a modified embodiment of Embodiment 11.
  • the difference between this embodiment and Embodiment 11 is that the test paper cavity 23 is different.
  • the test paper cavity 23 is a biochemical test paper container positioned by the side wall 113 of the solution cavity 22 and the outer wall of the solution cavity 22 . After the top of the biochemical test paper container is broken, the biochemical test paper container is broken. In the cross section, there is a communication hole communicating with the sample solution receiving end of the biochemical test paper, or the biochemical test paper located in the biochemical test paper container extends for a certain length from the top of the biochemical test paper container.
  • This example is a test tube including the test tube cover of Example 1.
  • a test tube includes a cover body 1, a tube body 2, a connecting body 3 and an anti-opening component 18.
  • the tube body 2 and the cover body 1 are connected through the connecting body 3, and the anti-opening component 18 is arranged in the tube. top of body 2.
  • the cover body 1 closes the tube body 2 , the cover body 1 cannot be removed from the tube body 2 under the action of the anti-opening component 18 .
  • the structures and connection methods of the cover body 1 , the tube body 2 and the connecting body 3 are basically the same as those in Embodiment 10, and are not repeated here.
  • the anti-opening assembly 18 includes a countersunk part 19, which is arranged on the top of the tube body 2, and can cooperate with the skirt part 17 of the cover body 1.
  • the skirt part 17 is arranged on the counterbore member 19, and the upper surface of the skirt member 17 and the upper surface of the counterbore member 19 are at the same level.
  • 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 conjoined structure.
  • the connecting body 3 may be a connecting bar, one end of which is connected to the pipe body 2 and the other end of which is connected to the cover body 1 .
  • the use method of this embodiment is as follows: put the biochemical test paper into the test paper cavity 23, and set the sample solution receiving end of the biochemical test paper upward; put the reaction solution into the solution cavity 22, and put the sample to be tested, such as a throat swab, on the into the solution chamber 22, the cover body 1 closes the tube body 2, and the skirt part 17 of the cover body 1 is submerged into the counterbore part 19; after the reaction in the solution chamber 22 is complete, tilt the test tube which is convenient for secondary sealing, The reaction solution is brought into contact with the biochemical test paper, and the reaction solution undergoes biochemical action on the biochemical test paper, and the test result can be obtained by observing the biochemical test paper; after the test result is observed, the test tube that is convenient for secondary sealing can be directly treated as medical waste, without the need for Concerns about leakage of substances in test tubes that facilitate secondary sealing.
  • test tube provided with the anti-opening part in this embodiment, after the cover part closes the tube part, the cover part and the tube part cannot be separated, so as to avoid leakage of substances in the biochemical test paper tube, avoid environmental pollution and endanger life and health.
  • This example is a test tube including the test tube cover of Example 1.
  • a test tube includes a cover body 1, a tube body 2, a connecting body 3 and an anti-opening component 18.
  • the tube body 2 and the cover body 1 are connected through the connecting body 3, and the anti-opening component 18 is provided in the tube.
  • the top of the body 2 and the outer wall of the cover body 1 wherein, when the cover body 1 closes the tube body 2 , the cover body 1 cannot be removed from the tube body 2 under the action of the anti-opening component 18 .
  • the structures and connection methods of the cover body 1 , the tube body 2 and the connecting body 3 are basically the same as those in Embodiment 10, and are not repeated here.
  • the anti-opening assembly 18 includes a countersunk part 19 and a chamfered part 20 , the countersunk part 19 is arranged on the top of the pipe body 2 , and the chamfered part 20 is arranged on the outer wall of the skirt part 17 .
  • the chamfered part 20 and the skirt part 17 are integrally designed.
  • the width of the cross section of the first end (upper end) of the chamfered member 20 is smaller than the width of the cross section of the second end (lower end) of the chamfered member 20 .
  • the skirt part 17 and the chamfer part 20 are arranged on the counterbore part 19 .
  • the surfaces are on the same level.
  • the cover part when the cover part closes the pipe part, the cover part cannot be separated from the pipe part due to the double action of the counterbore and the chamfered part; Even if an external force is forced on the counterbore and the chamfered portion, the cover portion and the pipe portion cannot be separated.
  • This example is a test tube including the test tube cover of Example 1.
  • a test tube includes a cover body 1, a tube body 2, a connecting body 3 and an anti-opening component 18.
  • the tube body 2 and the cover body 1 are connected by the connecting body 3, and the anti-opening component 18 is arranged on the tube. top of body 2.
  • the cover body 1 closes the tube body 2 , the cover body 1 cannot be removed from the tube body 2 under the action of the anti-opening component 18 .
  • the structures and connection methods of the cover body 1 , the tube body 2 and the connecting body 3 are basically the same as those of the embodiment 10, and will not be repeated here.
  • the anti-opening assembly 18 includes a countersunk member 19 and a cover-opening member 21 .
  • the countersunk member 19 is arranged on the top of the tube body 2, which can cooperate with the skirt member 17 of the cover body 1.
  • the skirt member 17 is arranged on the counterbore member 19, The upper surface of the skirt part 17 and the upper surface of the counterbore part 19 are at the same level.
  • the cover opening member 21 is disposed on the upper surface or inside of the counterbore member 19 , and is used to separate the cover body 1 and the tube body 2 through the cover opening member 21 under certain circumstances.
  • the cover opening member 21 is disposed through the countersunk hole member 19 .
  • the first end of the cover opening part 21 is located on the inner wall of the counterbore part 19, and the second end of the cover opening part 21 is located on the outer wall of the counterbore part 19.
  • the cover opening member 21 is provided on the upper surface of the counterbore member 19 .
  • the first end of the cover opening member 21 is located on the inner wall of the counterbore member 19, and the second end of the cover opening member 21 is located between the inner wall and the outer wall of the counterbore member 19.
  • the use method of this embodiment is basically the same as that of Embodiment 10, the difference is that after the detection result is known, the lid body 1 and the tube body 2 can be separated by the lid opening part 21, so as to facilitate the secondary sealing of the solution or the tube body in the test tube. material for recycling.
  • This example is a test tube including the test tube cover of Example 1.
  • a test tube includes a cover body 1 and a tube body 2 , and the cover body 1 is used to seal the tube body 2 .
  • the tube body 2 includes a solution chamber 22 , a test paper 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, which is arranged in the middle of the bottom of the solution chamber 22 and is used for placing the puncturing assembly (not shown in the figure).
  • a plurality of fourth positioning parts 27 are arranged on the upper part of the second positioning part 25 and surround a virtual first chamber for guiding the side wall of the sample tube (not shown in the figure) placed in the solution chamber 22 and location restrictions.
  • the virtual first cavity refers to setting a virtual wall in the space formed by the plurality of fourth positioning members 27 to present a cavity with one side open.
  • the tube body 2 further includes several third positioning parts 26 .
  • a plurality of third positioning members 26 are arranged at the bottom of the solution chamber 22, and are not in contact with the second positioning member 25 and a plurality of fourth positioning members 27. Below the bottom ends of the four positioning parts 27 are used to guide and position the side walls of the bottom of the sample tube (not shown in the figure) placed in the solution chamber 22 .
  • the top of the third positioning member 26 is a slope, which is used to fit the side wall of the bottom of the sample tube.
  • a plurality of fourth positioning members 27 and a plurality of third positioning members 26 are arranged at intervals, that is, a third positioning member 27 is arranged between two adjacent fourth positioning members 27 .
  • Positioning member 26 when viewing the tube body 2 from a top view, a plurality of fourth positioning members 27 and a plurality of third positioning members 26 are arranged at intervals, that is, a third positioning member 27 is arranged between two adjacent fourth positioning members 27 .
  • Positioning member 26 when viewing the tube body 2 from a top view, a plurality of fourth positioning members 27 and a plurality of third positioning members 26 are arranged at intervals, that is, a third positioning member 27 is arranged between two adjacent fourth positioning members 27 .
  • a plurality of fourth positioning members 27 and a plurality of third positioning members 26 are arranged irregularly, for example, no fourth positioning member 27 may be arranged between adjacent fourth positioning members 27 .
  • the three positioning members 26 may be provided with at least one third positioning member 26 , or the third positioning member 26 may be provided directly below the fourth positioning member 27 .
  • test tube which is convenient for secondary sealing further includes a connecting body 3, and the connecting body 3 is connected with the tube body 2 and the cover body 1 respectively.
  • the tube body 2 , the cover body 1 and the connecting body 3 may be connected in one piece, even if the test tube for secondary sealing is a conjoined test tube.
  • the connecting body 3 may be a connecting bar.
  • the tube body 2 , the cover body 1 and the connecting body 3 may be connected in a split type, even if the test tube for secondary sealing is a split type test tube.
  • the connecting body 3 may be a locking ring, a locking bar.
  • the cover body 1 and the pipe body 2 are respectively provided with locking holes that cooperate with each other. When the cover body 1 closes the pipe body 2, the locking bars pass through the locking holes of the cover body 1 and the pipe body 2 in turn, so that the The cover body 1 and the tube body 2 are locked.
  • the cover body 1 closes the tube body 2
  • the cover body 1 and the tube body 2 are in an interference fit, and the solution in the tube body 2 is kept without leakage for at least 10 minutes under a vacuum environment of 3kg.
  • This example is a test tube including the test tube cover of Example 1.
  • a test tube includes a cover body 1 and a tube body 2 , and the cover body 1 is used to seal the tube body 2 .
  • the tube body 2 includes a solution chamber 22 , a test paper 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 connection relationships of the solution chamber 22 , the test paper chamber 23 , the third positioning members 26 , and the fourth positioning members 27 are basically the same as those in Embodiment 17, and will not be repeated here.
  • a plurality of second positioning members 25 are a plurality of side positioning members, which are arranged at the bottom of the solution chamber 22 and are respectively connected with the bottom wall and side wall of the solution chamber 22, and surround to form a virtual second chamber for placing the puncturing assembly. (not shown in the figure).
  • the axis of the virtual second chamber is taken as the center line, a plurality of second positioning members 25 are arranged around the center line, a plurality of third positioning members 26 are arranged around the center line; a plurality of second positioning members 25 and a plurality of third positioning members 26 are arranged at intervals, that is, a third positioning member 26 is arranged between two adjacent second positioning members 25 .
  • the axis of the virtual second chamber is taken as the center line, a plurality of second positioning parts 25 are arranged around the center line, and a plurality of third positioning parts 26 are arranged around the center line; No third positioning member 26 may be provided between the second positioning members 25, or at least one third positioning member 26 may be provided, that is, a plurality of second positioning members 25 and a plurality of third positioning members 26 are arranged irregularly.
  • the fourth positioning member 27 can block the second positioning member 25, that is, a fourth positioning member 27 is provided directly above each second positioning member 25;
  • the positioning member 27 may also not block the second positioning member 25, that is, a fourth positioning member 27 is provided diagonally above each second positioning member 25;
  • the number of the second positioning components 25, the number of the fourth positioning components 27, and the number of the third positioning components 26 may be equal or different.
  • the virtual second cavity refers to setting a virtual wall in the space formed by the plurality of second positioning members 25 to present a cavity with one side open.
  • the axis of the first chamber and the axis of the second chamber are coaxial or parallel, so as to align the center (or center) of the bottom of the sample tube with the puncturing assembly 24, that is, the axis of the sample tube and the puncturing assembly 24
  • the axes are generally collinear so that the piercing assembly 24 pierces the sample tube.
  • the horizontal distance between the axis of the first chamber and the axis of the second chamber is less than 3 mm.
  • cover body 1 and the connecting body 3 are basically the same as those in the embodiment, and are not repeated here.
  • This embodiment is a combined embodiment of Embodiment 17 to Embodiment 18.
  • a test tube includes a cover body 1 and a tube body 2 , and the cover body 1 is used to seal the tube body 2 .
  • the tube body 2 includes a solution chamber 22 , a test paper 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 connection relationships of the solution chamber 22 , the test paper chamber 23 , the third positioning members 26 , and the fourth positioning members 27 are basically the same as those in Embodiment 17, and will not be repeated here.
  • the second positioning member 25 includes a central positioning member and a plurality of side positioning members.
  • the central positioning member is arranged in the middle of the bottom of the solution chamber, and a plurality of side positioning members are arranged around the central positioning member with the central positioning member as the center. Not in contact with several side positioning parts.
  • the bottom of the piercing assembly is matched with the central positioning member, and the side surfaces of the piercing assembly are matched with several side positioning members, so as to effectively fix the piercing assembly.
  • cover body 1 and the connecting body 3 are basically the same as those in the embodiment, and are not repeated here.
  • This embodiment is an extension of Embodiment 17 to Embodiment 19.
  • the test tube that facilitates secondary sealing further includes a puncturing assembly 24, and the puncturing assembly 24 and the tube body 2 are designed in a separate type.
  • the piercing assembly 24 is installed in the second chamber, such as by means of bonding or the like.
  • the piercing assembly 24 is plug-connected with the central positioning member in the second positioning member 25 .
  • the puncturing assembly 24 and the tubular body 2 are designed in one piece, that is, the puncturing assembly 24 and the second positioning member 25 are designed in one piece.
  • the piercing component 24 may be made of hard plastic material, or may be made of metal material.
  • the side positioning members in the plurality of second positioning members 25 are circumferentially arranged outside the piercing assembly 24 with the piercing assembly 24 as the center.
  • the included angle formed by two adjacent side positioning components is 360°/n, where n is the number of side positioning components.
  • a plurality of third positioning members 26 are axially arranged outside the sample tube with the sample tube as the center.
  • the included angle formed by two adjacent third positioning members 26 is 360°/n, where n is the number of the third positioning members 26 .
  • a plurality of fourth positioning members 27 are axially arranged outside the sample tube with the sample tube as the center.
  • 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 .
  • each third positioning member 26 in contact with the sample tube cooperates with the side wall of the bottom of the sample tube. That is, the inner surfaces of the plurality of third positioning members 26 form a limit track, and under the action of the track, the sample tube is fixed in the virtual second chamber.
  • each fourth positioning member 27 which is in contact with the sample tube is fitted with the side wall of the sample tube. That is, the inner surfaces of the plurality of fourth positioning members 27 form guide rails, and the rails have a guiding function and a limiting function. Under the action of the track, the sample tube moves downward.
  • a puncturing assembly 24 includes a base member 28 , at least two tube-breaking members 29 and at least two flow guiding members 32 .
  • at least two tube breaking members 29 are arranged above the base member 28
  • flow guiding members 32 are arranged on two adjacent tube breaking members 29 .
  • the base part 28 is a cylinder, a truncated cone, a cylinder with a chamfer, or a composite body formed by superimposing multiple cylinders.
  • the breaking member 29 includes a cutting element 30 and a distraction element 31 .
  • the cutting element 30 is arranged above the tube-breaking part 29 for cutting the bottom of the sample tube; the spreading element 31 is arranged below the cutting element 30 and is connected to the base part 28 and the cutting element 30 respectively for the purpose of cutting the bottom of the sample tube.
  • the slit formed by cutting the bottom of the sample tube by the cutting element 30 is opened to widen the slit.
  • the cutting element 30 includes inclined sides which form an acute angle with the horizontal plane.
  • the maximum horizontal width of the cutting element 30 is equal to the minimum horizontal width of the spreading element 31 and is smaller than the maximum horizontal width of the spreading element 31 .
  • the vertical height of the cutting element 30 may or may not be the same as the vertical height of the spreading element 31 .
  • the horizontal width refers to the radial distance centered on a certain point on the horizontal plane, and does not refer to the thickness of the relevant components
  • the vertical height refers to the axial distance centered on a certain point on the horizontal plane, and does not refer to the thickness of the relevant components.
  • the cutting element 30 is a cutting edge.
  • the spreading element 31 is a spreading surface, and the spreading surface may be a spreading inclined surface or a spreading spherical surface.
  • the guide member 32 is arranged between two adjacent tube-breaking members 29, and is used to make the sample solution in the sample tube move along the guide member 32 to the sample tube when the tube-breaking member 29 is inserted into the bottom of the sample tube and destroys the sample tube.
  • the external flow is mixed with the reaction solution or functional solution outside the sample tube for subsequent operation and observation.
  • the number of the flow guiding parts 32 is at least two, and not less than the number of the pipe breaking parts 29 .
  • the guide member 32 is a guide gap or a guide groove.
  • the piercing assembly 24 is fabricated from a medically compliant metallic material, such as 304 stainless steel.
  • the piercing assembly 24 may also be made of a rigid plastic material.
  • the method of use of the present invention is as follows: the piercing assembly 24 contacts the bottom of the sample tube (the bottom of the sample tube can be a flat bottom or a curved bottom); the cutting element 30 cuts the bottom of the sample tube so that the cutting element 30 enters the sample The inside of the tube; the spreading element 31 spreads the slit formed by cutting the sample tube by the cutting element 30, that is, while the radial length of the slit becomes longer, the width of the slit becomes wider; , the bottom of the sample tube is destroyed, and the sample solution in the sample tube flows out to the outside of the sample tube along the guide member 32, so as to mix with the functional reaction solution outside the sample tube.
  • a puncturing assembly 24 includes a base member 28 , a plurality of first tube-breaking members 33 and a plurality of flow guiding members 32 .
  • the first tube breaking member 33 is arranged above the base member 28 for breaking the bottom of the sample tube; the flow guiding member 32 is arranged between two adjacent first tube breaking members 33 .
  • the structure and connection relationship of the base member 28 and the air guide member 32 are basically the same as those of the embodiment 21, and will not be repeated here.
  • the first breaking member 33 includes a first cutting element 34 and a first spreading element 35 .
  • the first cutting element 34 is arranged above the first tube breaking part 33 for cutting the bottom of the sample tube;
  • the first spreading element 35 is arranged below the first cutting element 34, and is respectively connected with the base part 28 .
  • the first cutting element 34 is connected to open the gap formed by the first cutting element 34 cutting the bottom of the sample tube, so as to expand the gap.
  • the first cutting element 34 includes a first inclined side, and the first inclined side forms a first included angle with the horizontal plane, and the first included angle is an acute angle.
  • the maximum horizontal width of the first cutting element 34 is equal to the minimum horizontal width of the first spreading element 35 and is smaller than the maximum horizontal width of the first spreading element 35 .
  • the vertical height of the first cutting element 34 may or may not be the same as the vertical height of the first spreading element 35 .
  • the first cutting element 34 is a cutting edge.
  • the first spreading element 35 is a spreading surface, and the spreading surface can be a spreading inclined surface or a spreading spherical surface.
  • the number of the first pipe breaking members 33 is at least two, and a plurality of the first pipe breaking members 33 are connected so that the respective first cutting elements 34 and the first spreading elements 35 face the outside, and when viewed from a top view, a petal-shaped structure is formed. .
  • a puncturing assembly 24 includes a base member 28 , a plurality of second pipe-breaking members 36 , a plurality of flow guiding members 32 and a connecting member 40 .
  • the first tube breaking member 33 is arranged above the base member 28 for destroying the bottom of the sample tube; the guide member 32 is arranged between two adjacent first tube breaking members 33 ; the connecting member 40 is arranged on the base member 28 is used to fix the piercing assembly 24 in a specific location of a specific device.
  • the structure and connection relationship of the base member 28 and the air guide member 32 are basically the same as those of the embodiment 21, and will not be repeated here.
  • the second breaking member 36 includes a second cutting element 37 , a third cutting element 38 and a second spreading element 39 .
  • the second cutting element 37 is arranged above the second tube breaking member 36 for the first cutting of the bottom of the sample tube;
  • the third cutting element 38 is arranged below the second cutting element 37 and is connected with the second cutting element 37.
  • the element 37 is connected for the second cutting of the bottom of the sample tube;
  • the second spreading element 39 is arranged below the third cutting element 38 and is connected with the base part 28 and the third cutting element 38 respectively, and is used for cutting the third cutting element 38.
  • the three cutting elements 38 cut the slit formed at the bottom of the sample tube to open, so as to enlarge the slit.
  • the second cutting element 37 includes a second inclined side, and the second inclined side forms a second included angle with the horizontal plane, and the second included angle is an acute angle.
  • the third cutting element 38 includes a third inclined side, and the third inclined side forms a third included angle with the horizontal plane, and the third included angle is an acute angle.
  • the third included angle is greater than the second included angle.
  • the horizontal width of the second cutting element 37 is equal to the minimum horizontal width of the third cutting element 38 and is smaller than the maximum horizontal width of the third cutting element 38 .
  • the vertical height of the second cutting element 37 is smaller than the vertical height of the third cutting element 38 .
  • the maximum horizontal width of the third cutting element 38 is equal to the minimum horizontal width of the second spreading element 39 and is smaller than the maximum horizontal width of the second spreading element 39 .
  • the vertical height of the third cutting element 38 is not less than the vertical height of the second spreading element 39 .
  • the number of the second pipe breaking members 36 is at least two, and a plurality of the second pipe breaking members 36 are connected so that the respective second cutting elements 37 , the third cutting elements 38 and the second spreading elements 39 face the outside, as viewed from a top view , forming a petal-shaped structure.
  • the connecting member 40 is disposed inside the base member 28 and communicates with the outside of the base member 28 to connect the connecting member 40 to the connecting element to fix the piercing assembly 24 in a specific position.
  • a puncturing assembly 24 includes a base member 28 , a first tube breaking member 33 , a second tube breaking member 36 and a flow guide member 32 .
  • the first tube breaking member 33 is arranged above the base member 28 for breaking the bottom of the sample tube;
  • the second tube breaking member 36 is arranged above the base member 28 and is connected to the first tube breaking member 33 for breaking the bottom of the sample tube;
  • the bottom of the sample tube is destroyed together with the first tube breaking member 33 ;
  • the flow guiding member 32 is arranged between the first tube breaking member 33 and the second tube breaking member 36 .
  • the first breaking member 33 includes a first cutting element 34 and a first spreading element 35 .
  • the first cutting element 34 is arranged above the first tube breaking member 33 and is used to cut the bottom of the sample tube for the first time;
  • the first spreading element 35 is arranged below the first cutting element 34 and is respectively connected with
  • the base part 28 and the first cutting element 34 are connected, and are used to open the gap formed by the first cutting element 34 cutting the bottom of the sample tube, so as to enlarge the gap.
  • the maximum horizontal width of the first cutting element 34 is equal to the minimum horizontal width of the first spreading element 35 and is smaller than the maximum horizontal width of the first spreading element 35 .
  • the vertical height of the first cutting element 34 is smaller than the vertical height of the first spreading element 35 .
  • the first cutting element 34 includes a first inclined side, and the first inclined side forms a first included angle with the horizontal plane, and the first included angle is an acute angle.
  • the second tube breaking member 36 includes a second cutting element 37 , a third cutting element 38 and a second spreading element 39 .
  • 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 pipe breaking part 36, and is used to cut the bottom of the sample tube for the first time;
  • the third cutting element 38 is arranged below the second cutting element 37 and is connected with the second cutting element 37 for the second cutting of the bottom of the sample tube;
  • the second spreading element 39 is arranged below the third cutting element 38 and is respectively connected with the second cutting element 38.
  • the base part 28 and the third cutting element 38 are connected, and are used to open the 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 with the first cutting element 34, and the first spreading element 35 is connected with the third cutting element 38 and the second spreading element 39, respectively.
  • the second cutting element 37 includes a second inclined side, and the second inclined side forms a second included angle with the horizontal plane, and the second included angle is an acute angle.
  • the third cutting element 38 includes a third inclined side, and the third inclined side forms a third included angle with the horizontal plane, and the third included angle is an acute angle.
  • the first included angle and the second included angle are equal or unequal, the first included angle and the third included angle are equal or unequal, and the second included angle and the third included angle are not equal.
  • the second included angle is smaller than the third included angle.
  • the horizontal width of the second cutting element 37 is equal to the minimum horizontal width of the third cutting element 38 and is smaller than the maximum horizontal width of the third cutting element 38.
  • the vertical height of the second cutting element 37 is smaller than the vertical height of the third cutting element 38 .
  • the maximum horizontal width of the third cutting element 38 is equal to the minimum horizontal width of the second spreading element 39 and is smaller than the maximum horizontal width of the second spreading element 39 .
  • the vertical height of the third cutting element 38 is not less than the vertical height of the second spreading element 39 .
  • the vertical height of the first cutting element 34 is equal to the vertical height of the second cutting element 37, or the difference between the two is within the range of 0.5 ⁇ 0.1 mm.
  • the maximum horizontal width of the second spreading element 39 is greater than the maximum horizontal width of the first spreading element 35 .
  • the sum of the vertical height of the third cutting element 38 and the vertical height of the second spreading element 39 is equal to the vertical height of the first spreading element 35, or the difference between the two is within the range of 0.5 ⁇ 0.1 mm.
  • the horizontal width refers to the radial distance centered on a certain point on the horizontal plane, and does not refer to the thickness of the relevant components
  • the vertical height refers to the axial distance centered on a certain point on the horizontal plane, and does not refer to the thickness of the relevant components.
  • the number of the first pipe breaking member 33 is one, the second pipe breaking member 36 is two, and the included angle formed between the first pipe breaking member 33 and the adjacent second pipe breaking member 36 is 120°;
  • first pipe breaking members 33 There are two first pipe breaking members 33, one second pipe breaking member 36, and the included angle formed between the first pipe breaking member 33 and the adjacent second pipe breaking member 36 is 120°;
  • the number of the first pipe breaking members 33 is equal to the number of the second pipe breaking members 36, and a first pipe breaking member 33 is arranged between two adjacent second pipe breaking members 36, and two adjacent first pipe breaking members 33 are provided.
  • a second pipe breaking member 36 is arranged between the pipe members 33. If the number of the first pipe breaking members 33 and the number of the second pipe breaking members 36 are both n, then the adjacent first pipe breaking members 33 and the second pipe breaking members 33 are adjacent to each other.
  • the included angle formed between the pipe parts 36 is 360°/2n;
  • the number of the first pipe breaking members 33 is not equal to the number of the second pipe breaking members 36, then at least one second pipe breaking member 36 is arranged between two adjacent first pipe breaking members 33, and two adjacent first pipe breaking members 36 are arranged. At least one first pipe breaking member 33 is arranged between the two pipe breaking members 36.
  • the adjacent first pipe breaking members 33 The angle formed between the second pipe breaking member 36 is 360°/(m+n), or the angle formed between two adjacent first pipe breaking members 33 is 360°/(m+n)( That is, the number of the first pipe breaking members 33 is greater than the number of the second pipe breaking members 36 ), or the included angle formed between two adjacent second pipe breaking members 36 is 360°/(m+n) (that is, the second The number of the pipe breaking parts 36 is greater than the number of the first pipe breaking parts 33).
  • the guide member 32 is provided between the first tube breaking member 33 and the second tube breaking member 36 , and is used to insert the sample tube into the first tube breaking member 33 and the second tube breaking member 36 .
  • the sample solution in the sample tube flows out to the outside of the sample tube along the guide member 32, and is mixed with the reaction solution or functional solution outside the sample tube for subsequent operation and observation.
  • the guide member 32 is a guide gap or a guide channel or a guide cavity.
  • the flow guide member 32 is disposed between the first tube breaking member 33 and the second tube breaking member 36 . space, and is arranged between the two second pipe breaking parts 36 .
  • the flow guide member 32 is disposed between the first pipe breaking member 33 and the second pipe breaking member 36 . between the two first pipe breaking members 33 .
  • the diversion member 32 is arranged between the first pipe breaking member 33 and the second pipe breaking member 36 . between the two first pipe breaking members 33 , or between the two second pipe breaking members 36 .
  • the use method of the present invention is as follows: the piercing assembly 24 contacts the bottom of the sample tube (the bottom of the sample tube can be a flat bottom or an arc-shaped bottom); cutting, 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 gap formed by the second cutting element 37 cutting the sample tube, so that the gap is Expand, that is, the radial length of the slit becomes longer, but the width of the slit remains unchanged; while the third cutting element 38 cuts the bottom of the sample tube, the first spreading element 35 cuts the sample tube by the first cutting element 34.
  • the gap is stretched, that is, while the radial length of the gap becomes longer, the width of the gap becomes wider; the second opening element 39 stretches the gap formed by cutting the sample tube by the third cutting element 38, that is, the radial length of the gap.
  • the width of the slit becomes wider; at this time, under the combined action of the first tube breaking part 33 and the second tube breaking part 36, the bottom of the sample tube is destroyed, and the sample solution in the sample tube runs along the guide member 32. It flows out to the outside of the sample tube to be mixed with the functional reaction solution outside the sample tube.
  • a puncturing assembly 24 includes a base member 28 , a first tube-breaking member 33 , a second tube-breaking member 36 , and a flow guiding member 32 and connecting member 40.
  • the first tube breaking member 33 is arranged above the base member 28 for breaking the bottom of the sample tube;
  • the second tube breaking member 36 is arranged above the base member 28 and is connected to the first tube breaking member 33 for breaking the bottom of the sample tube;
  • the bottom of the sample tube is destroyed together with the first tube breaking member 33;
  • the diversion member 32 is arranged between the first tube breaking member 33 and the second tube breaking member 36;
  • the connecting member 40 is arranged inside the base member 28 for connecting
  • the piercing assembly 24 is secured to a specific location on a specific device.
  • the structures and embodiments of the base member 28 , the first tube-breaking member 33 , the second tube-breaking member 36 and the flow guide member 32 are basically the same as those of the embodiment 21, and will not be repeated here.
  • the connecting member 40 is disposed inside the base member 28 and communicates with the outside of the base member 28 to connect the connecting member 40 to the connecting element to fix the piercing assembly 24 in a specific position.
  • the advantage of this embodiment is that the base member is provided with a connecting member, which can fix the broken tube structure at any special position, thereby adapting to test tubes of different specifications and meeting different usage requirements.
  • a puncturing assembly 24 includes a base part 28 , a first tube-breaking part 33 , a second tube-breaking part 36 , a guide The flow member 32 , the connection member 40 , and the fifth fitting member 41 .
  • the first tube breaking member 33 is arranged above the base member 28 for breaking the bottom of the sample tube;
  • the second tube breaking member 36 is arranged above the base member 28 and is connected to the first tube breaking member 33 for breaking the bottom of the sample tube.
  • the bottom of the sample tube is destroyed together with the first tube breaking member 33; the diversion member 32 is arranged between the first tube breaking member 33 and the second tube breaking member 36; the connecting member 40 is arranged inside the base member 28 for connecting the
  • the puncturing assembly 24 is fixed at a specific position of a specific device; the fifth fitting part 41 is disposed inside the connecting part 40 for fitting the puncturing assembly 24 with a specific connecting element.
  • the structures and embodiments of the base member 28 , the first tube breaking member 33 , the second tube breaking member 36 , the flow guiding member 32 and the connecting member 40 are basically the same as those of the embodiment 21, and will not be repeated here.
  • the fifth fitting part 41 is an annular fitting groove.
  • the fifth fitting part 41 is an annular fitting protrusion.
  • the advantage of this embodiment is that the fifth fitting part is arranged inside the connecting part, so as to improve the connection strength between the broken pipe structure and any connecting element, and prevent the broken pipe structure from falling off during use.
  • the tube body 2 includes a sixth fitting member 42 , and the sixth fitting member 42 is disposed on the outer wall of the second positioning member 25 for fitting and connecting with the fifth fitting member 41 . .
  • the sixth fitting part 42 is an annular fitting protrusion (fitted with the fifth fitting part 41 which is an annular fitting groove) or an annular fitting groove (which is an annular fitting groove).
  • the convex fifth fitting part 41 is matched).
  • This example is a test tube including the test tube cover of Example 1.
  • a test tube includes a cover body 1 and a tube body 2, and the cover body 1 is used to seal 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 cavity 22 is co-directed with the axial direction of the tube body 2 , and the solution cavity 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 arranged on the top end face of the solution chamber 22 and is entirely arranged around the solution chamber 22 .
  • the second sealing member 44 is connected with the sealing platform 43 to seal the solution chamber 22 to prevent the solution in the solution chamber 22 from flowing out.
  • the 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 0.4 mm, which is to prevent the biochemical test paper placed in the test paper cavity 23 from contacting the inner wall of the tube body 2 .
  • the solution chamber 22 is a regular-shaped chamber (eg, a circular chamber, a rectangular chamber, a trapezoidal chamber) or an irregular-shaped chamber.
  • the test paper cavity 23 is a regular-shaped cavity (eg, a circular cavity, a rectangular cavity, a trapezoidal cavity) or an irregular shape.
  • the number of solution chambers 22 may be several, the axes of the several 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 function sexual Reagents.
  • functional reagents include but are not limited to degrading enzymes, lysis solutions, probes, buffer solutions, diluents, etc., or reagents for subsequent reactions after biochemical reactions are completed.
  • the number of test paper cavities 23 may be several, the axes of the several test paper cavities 23 are parallel, and each test paper cavity 23 is provided with an immunochromatographic test paper, which can simultaneously detect different indicators of the same sample .
  • test paper cavities 23 are arranged around the axial direction of the tube body 2 as the center.
  • the width of the sealing platform 43 is at least 1mm; there is a certain horizontal distance between the outer wall of the sealing platform 43 and the inner wall of the pipe body 2, and it is at least 0.5mm; There is a certain vertical distance between the bottom surfaces, and at least 0.5mm.
  • a groove-like structure is formed between the sealing platform 43 and the inner wall of the pipe body 2 .
  • the top of the sealing platform 43 is not in contact with the bottom of the cover body 1, that is, there is a certain vertical distance between the top of the sealing platform 43 and the bottom of the cover body 1, which is at least 1 mm ; There is a certain horizontal distance between the outer edge of the sealing platform 43 and the inner wall of the cover body 1, and is at least 0.5 mm.
  • the reaction solution when leaving the factory, the reaction solution can be preset in the solution chamber 22, and then the second sealing member 44 is used to seal the solution chamber 22; The reaction solution is placed inside the solution chamber 22, and finally the solution chamber 22 is sealed with the second sealing member 44, and the biochemical test paper tube is stored for later use.
  • the second sealing member 44 can also seal the test paper cavity 23 .
  • the test paper cavity 23 can be sealed before the immunochromatographic test paper is placed in the test paper cavity 23, that is, to prevent foreign matter from entering the test paper cavity 23; or the test paper cavity 23 can be sealed when the immunochromatographic test paper is placed in the test paper cavity 23, that is, when the immunochromatographic test paper is placed in the test paper cavity 23. Keep the immunochromatographic test paper free from foreign substances before use.
  • the second sealing member 44 may be an aluminum foil film, a plastic sealing film, or a self-adhesive film.
  • the second sealing member 44 can be assembled with the biochemical test paper tube during the production process, or can be assembled with the biochemical test paper tube before the transportation process, or can be assembled with the biochemical test paper tube before the storage process.
  • the shape of the second sealing member 44 is substantially the same as the shape of the opening at the top of the solution chamber 22 , that is, the cross-sectional area of the second sealing member 44 is slightly larger than that of the opening at the top of the solution chamber 22 . In this case, it is necessary to break the second sealing member 44 with the aid of an auxiliary tool, such as a tool with a pointed end, a blunt end, and a blade.
  • an auxiliary tool such as a tool with a pointed end, a blunt end, and a blade.
  • the shape of the second sealing member 44 is different from the shape of the cavity opening at the top of the solution chamber 22, that is, the second sealing member 44 includes a sealing portion and an extension portion, the sealing portion seals the solution chamber 22, and the extension portion is provided on the side of the sealing portion part and integrally formed with the sealing part.
  • the shape of the sealing portion is substantially the same as the shape of the cavity opening at the top of the solution cavity 22 .
  • the extending portion is in the shape of a strip for separating the sealing portion from the solution chamber 22 .
  • the biochemical test paper tube also includes a connecting body 3 , and the connecting body 3 is respectively connected with the tube body 2 and the cover body 1 .
  • the tube body 2 , the cover body 1 and the connecting body 3 may be connected in one piece, that is, the biochemical test paper tube is a conjoined test tube.
  • the connecting body 3 may be a connecting bar.
  • the use method of this embodiment is as follows: destroy or remove the second sealing member 44, place the sample to be detected into the interior of the solution chamber 22, and mix the reaction solution in the solution chamber 22 with the sample to be detected to obtain a mixed solution; 1. Close the tube body 2; after a certain time of reaction, tilt the tube body 2 so that the sample solution receiving end of the immunochromatographic test paper set in the test paper cavity 23 contacts the mixed solution, and the mixed solution is subjected to chromatography on the immunochromatographic test paper ; The test results can be obtained by observing the immunochromatographic test paper; after the test results are observed, the biochemical test paper tube can be directly treated as medical waste, and there is no need to worry about the leakage of substances in the biochemical test paper tube.
  • This example is a test tube including the test tube cover of Example 1.
  • a test tube includes a cover body 1, a tube body 2 and a connecting body 3, the tube body 2 is connected with the cover body 1 through the connecting body 3, and the cover body 1, the tube body 2 and the connecting body 3 One-piece injection molding.
  • the tube body 2 includes a solution chamber 22 and a scraping member 45 disposed in the solution chamber 22 .
  • the scraping member 45 is connected to the inner wall of the solution chamber 22 and the bottom wall of the solution chamber 22 .
  • the height of the scraping member 45 is at least 15 mm, which is not less than the height of the sampling part of the swab.
  • the height of the scraping member 45 refers to the longitudinal height of the convex wall along the pipe wall of the pipe body 2 , that is, the axial height, rather than the radial length of the pipe body 2 .
  • the cross section of the scraping member 45 is fan-shaped, and the two vertices of the short arc side are set on a circumference line with a diameter of 2.0-4.0 mm.
  • the two vertices of the short arc side of the scraping member 45 form an inscribed circle with the inner wall of the solution chamber 22 .
  • the diameter of the inscribed circle is in the range of 2.0-4.0 mm, the preferred diameter is in the range of 2.5-3.5 mm, and the more preferred diameter is in the range of 2.7-3.0 mm.
  • the cover body 1 and the tube body 2 are in an insert fit, and the outer wall of the cover body 1 and the inner wall of the tube body 2 are in an interference fit.
  • the connecting body 3 is a connecting bar, which makes the tube body 2 and the cover body 1 integrally connected, avoiding the problem of manually assembling the tube body 2 and the cover body 1 due to the split design, reducing the production process and improving the production efficiency.
  • the use method of this embodiment is as follows: the solution cavity 22 of the tube body 2 is filled with the sample processing solution; when the sample collection flocking swab after sample collection is inserted into the solution cavity 22, the swab is limited to the scraping part 45 is in the inscribed circle formed by the solution cavity 22, and the scraping part 45 is embedded in the fluff of the swab to a certain depth; when the swab is rotated, the fluff of the swab is continuously scraped and beaten by the scraping part 45, and the swab is wiped. The sample on the sub is released into the sample processing solution.
  • the test tube of the present embodiment which is convenient for secondary sealing has fast sample release speed, simple operation, quickened detection speed and detection efficiency, and shortened detection time.
  • the height of the convex wall is greater than the height of the sampling portion of the swab, and the apex of the convex wall is located in the fluff of the swab. Inside, on the basis of scraping, the fluff is beaten to accelerate the sample release rate.
  • a test tube includes a cover body 1 , a tube body 2 and a connecting body 3 , and the tube body 2 is connected to the cover body 1 through the connecting body 3 , and the cover body 1 , the tube body 2 and the connecting body 3 are integrally injection-molded.
  • the structure and connection relationship of the cover body 1 and the connecting body 3 are basically the same as those of the embodiment 298, and will not be repeated here.
  • the pipe body 2 includes a solution chamber 22 and a plurality of scraping parts 45 arranged in the solution chamber 22 , each scraping part 45 is connected to the inner wall of the solution chamber 22 and the bottom wall of the solution chamber 22 .
  • each scraping part 45 is at least 15mm, which is not less than the height of the sampling part of the swab.
  • the height of the scraping member 45 refers to the longitudinal height of the convex wall along the pipe wall of the pipe body 2 , that is, the axial height, rather than the radial length of the pipe body 2 .
  • the included angle formed between two adjacent scraping members 45 and the center of the circle of the solution chamber 22 is less than 170°.
  • the included angle formed by two adjacent scraping members 45 and the center of the circle of the solution chamber 22 is 360 °/n.
  • n is a positive integer greater than or equal to 3
  • some are greater than 360°/n, some are less than 360°/n, and some are equal to 360°/n.
  • each scraping member 45 is fan-shaped, and the two vertices of the short arc side of each scraping member 45 are arranged on a circumferential line with a diameter of 2.0-4.0 mm, that is, a number of scraping members are distributed on the circumferential line. 45 of several vertices.
  • a plurality of scraping parts 45 are surrounded to form an inscribed circle, and the two vertices of the short arc sides of each scraping part 45 are located on the inscribed circle.
  • the diameter of the inscribed circle is in the range of 2.0-4.0 mm, the preferred diameter is in the range of 2.5-3.5 mm, and the more preferred diameter is in the range of 2.7-3.0 mm.
  • the use method of this embodiment is as follows: the solution cavity 22 of the tube body 2 is filled with the sample processing solution; when the sample collection flocking swab after collecting the sample is inserted into the solution cavity 22, the swab is limited to several scrapings In the inscribed circle formed by the part 45, and the scraping part 45 is embedded in the fluff of the swab to a certain depth; when the swab is rotated, the fluff of the swab is continuously scraped and beaten by the scraping part 45, and the swabs on the swab are continuously scraped and beaten. The sample is released into the sample processing solution.
  • the advantage of this embodiment is that the use of a plurality of convex walls can speed up the frequency of the fluff of the swab being scratched and beaten, thereby increasing the sample release rate.
  • a test tube includes a cover body 1 , a tube body 2 and a connecting body 3 , and the tube body 2 is connected to the cover body 1 through the connecting body 3 , and the cover body 1 , the tube body 2 and the connecting body 3 are integrally injection-molded.
  • cover body 1 and the connecting body 3 are basically the same as those in Embodiment 29, and will not be repeated here.
  • the pipe body 2 includes a solution chamber 22 and a plurality of scraping parts 45 arranged in the solution chamber 22 , each scraping part 45 is connected to the inner wall of the solution chamber 22 and the bottom wall of the solution chamber 22 .
  • each scraping part 45 is at least 15mm, which is not less than the height of the sampling part of the swab.
  • the height of the scraping member 45 refers to the longitudinal height of the convex wall along the pipe wall of the pipe body 2 , that is, the axial height, rather than the radial length of the pipe body 2 .
  • the included angle formed between two adjacent scraping members 45 and the center of the circle of the solution chamber 22 is less than 170°.
  • the included angle formed by two adjacent scraping members 45 and the center of the circle of the solution chamber 22 is 360 °/n.
  • n is a positive integer greater than or equal to 3
  • some are greater than 360°/n, some are less than 360°/n, and some are equal to 360°/n.
  • each scraping member 45 is triangular, and the apex of each scraping member 45 is arranged on a circumferential line with a diameter of 2.0-4.0 mm, that is, a plurality of vertices of several scraping members 45 are distributed on the circumferential line.
  • each scraping member 45 is a trapezoid, and the length of the lower base of the trapezoid is greater than the length of the upper base of the trapezoid, that is, the cross-sectional area of each scraping member 45 increases from its top to its bottom.
  • a plurality of scraping members 45 are surrounded to form an inscribed circle, and the vertex of each scraping member 45 is located on the inscribed circle.
  • the diameter of the inscribed circle is in the range of 2.0-4.0 mm, the preferred diameter is in the range of 2.5-3.5 mm, and the more preferred diameter is in the range of 2.7-3.0 mm.
  • the use method of this embodiment is basically the same as that of Embodiment 29, the only difference is that the contact area between the convex wall and the fluff of the swab can be increased by using the convex wall in the shape of an upper narrow and a lower width.
  • a test tube includes a cover body 1 , a tube body 2 and a connecting body 3 , and the tube body 2 is connected to the connecting body 3 through the connecting body 3 .
  • the cover body 1 is connected, and the cover body 1 , the tube body 2 and the connecting body 3 are integrally injection-molded.
  • cover body 1 and the connecting body 3 are basically the same as those in Embodiment 29 or Embodiment 30, and will not be repeated here.
  • the tube body 2 includes a plurality of solution chambers 22 , a plurality of scraping parts 45 arranged in the solution chamber 22 , and a test paper chamber 23 arranged on one side of the solution chamber 22 .
  • each scraping member 45 is connected with 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 (ie, the solution chambers 22 are independent of each other). Generally speaking, two adjacent solution chambers 22 are in communication.
  • the structure and arrangement of the scraping member 45 in the solution chamber 22 are basically the same as those in Embodiment 29 or Embodiment 30, and are not repeated here.
  • the test paper cavity 23 is disposed on one side of several solution cavities 22 , and the test paper cavity 23 exists independently, that is, the test paper cavity 23 is not communicated with any solution cavity 22 .
  • test paper cavity 23 it is used for placing biochemical test strips for detection, or biochemical test strip fixing components (such as positioning strips, test paper cassettes, etc.).
  • the use method of this embodiment is as follows: several solution chambers 22 of the tube body 2 are equally filled with sample treatment solutions, and biochemical test strips for detection are placed inside the test paper chambers 23; After the sample is collected, the flocked swab is collected.
  • the swab In each solution chamber 22, the swab is limited to the inscribed circle formed by several scraping parts 45, and the scraping part 45 is embedded in the villi of the swab to a certain depth;
  • the cover body 1 Close the tube body 2, invert the test tube which is convenient for secondary sealing, make the sample solution in the solution chamber 22 contact the biochemical test strip, and observe the biochemical test strip.
  • the advantage of this embodiment is that it integrates sample release and sample detection, and the detection results are immediately known. After the detection, due to the interference fit between the cover body and the tube body, the entire test tube that is convenient for secondary sealing can be discarded in medical waste recycling. No need to worry about pollution, leakage and other issues.
  • a test tube includes a cover body 1 , a tube body 2 and a connecting body 3 , and the tube body 2 is connected to the cover body 1 through the connecting body 3 , and the cover body 1 , the tube body 2 and the connecting body 3 are integrally injection-molded.
  • cover body 1 and the connecting body 3 are basically the same as those in Embodiment 29 or Embodiment 30, and will not be repeated here.
  • the tube body 2 includes a plurality of solution chambers 22 , a plurality of scraping parts 45 arranged in the solution chamber 22 , a test paper chamber 23 arranged on one side of the solution chamber 22 , and a through chamber 46 communicating with the solution chamber 22 .
  • each scraping member 45 is connected with the inner wall of the solution chamber 22 and the bottom wall of the solution chamber 22 .
  • a through cavity 46 is provided between two adjacent solution cavities 22 , and each through cavity 46 communicates with two adjacent solution cavities 22 respectively, and is used to play a transitional role between two adjacent solution cavities 22 or buffering effect.
  • the structure and arrangement of the solution chamber 22 , the scraping member 45 and the test paper chamber 23 are basically the same as those of the embodiment 31, and will not be repeated here.
  • a test tube includes a cover body 1 , a tube body 2 and a connecting body 3 , and the tube body 2 is connected to the cover body 1 through the connecting body 3 , and the cover body 1 , the tube body 2 and the connecting body 3 are integrally injection-molded.
  • cover body 1 and the connecting body 3 are basically the same as those in Embodiment 32, and will not be repeated here.
  • the tube body 2 includes a plurality of solution chambers 22 , a plurality of scraping parts 45 arranged in the solution chamber 22 , a test paper chamber 23 arranged on one side of the solution chamber 22 , and a through chamber 46 communicating with the solution chamber 22 .
  • each scraping member 45 is connected with the inner wall of the solution chamber 22 and the bottom wall of the solution chamber 22 .
  • a through cavity 46 is provided between two adjacent solution cavities 22 , and the through cavity 46 is formed by the respective scraping parts 45 of the two adjacent solution cavities 22 at intervals.
  • each solution cavity 22 is provided with at least three scraping parts 45 , wherein two scraping parts 45 are disposed on the edge of the through cavity 46 , that is, two scraping parts 45 are disposed at the connection between the solution cavity 22 and the through cavity 46 .
  • the through-cavity 46 is surrounded by a total of four scraping parts 45 of two adjacent solution chambers 22 .
  • the advantage of this design is that the scraping member 45 is fused with the edge of the through cavity 46, which can scrape the swab while playing the role of spacing through.
  • test paper cavity 23 The interior of the test paper cavity 23 is provided with a space, which can accommodate two biochemical test strips or two biochemical test strip fixing parts in parallel at the same time, so as to carry out different test items at the same time.
  • This example is a test tube including the test tube cover of Example 1.
  • a test tube includes a cover body 1, a tube body 2 and a connecting body 3.
  • the tube body 2 is connected with the cover body 1 through the connecting body 3, and the cover body 1, the tube body 2 and the connecting body 3 are integrally injection-molded forming.
  • connection relationship of the connecting body 3 are basically the same as those in Embodiment 33, and are not repeated here.
  • the cover body 1 further includes a first locking member 47 disposed on the outer wall of the cover body 1 , and the first locking member 47 is used for snap connection with the tube body 2 when the cover body 1 closes the tube body 2 .
  • the first locking member 47 is provided on the outer wall of the cover body 1 .
  • the first locking member 47 is a snap hook.
  • the tube body 2 further includes a second locking member 48 disposed on the outer wall of the tube body 2 , and the second locking member 48 is used to engage with the first locking member 47 of the cover body 1 when the cover body 1 closes the tube body 2 . Buckle connection.
  • the second locking member 48 is disposed on the outer wall of the nozzle of the pipe body 2 , and the top end surface of the second locking member 48 is located below the end surface of the nozzle of the pipe body 2 .
  • the second locking member 48 is a snap protrusion.
  • a test tube includes a cover body 1, a tube body 2 and a connecting body 3.
  • the tube body 2 is connected to the cover body 1 through the connecting body 3, and
  • the cover body 1 , the tube body 2 and the connecting body 3 are integrally injection-molded.
  • cover body 1 and the tube body 2 are basically the same as those in Embodiment 34, and will not be repeated here.
  • the connecting body 3 includes a third locking member 49 disposed on one side of the connecting body 3 and a fourth locking member 50 positioned on the same side of the third locking member 49 .
  • the connecting body 3 is bent, the position of the third locking member 49 remains unchanged, and the fourth locking member 50 is turned over and located at the third locking member 49 Right above the third locking member 49 and the fourth locking member 50 are snap-connected.
  • the third locking part 49 is a snap protrusion or a snap groove
  • the fourth locking part 50 is a snap protrusion or a snap groove

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  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Hematology (AREA)
  • Clinical Laboratory Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Devices For Use In Laboratory Experiments (AREA)
  • Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
  • Closures For Containers (AREA)

Abstract

Couvercle de tube de test et tube de test, comprenant un corps de couvercle (1). Le corps de couvercle (1) comprend une ouverture (4) ménagée dans le corps de couvercle (1), une première partie d'étanchéité (5) disposée à une extrémité de l'ouverture (4), et une partie flexible d'étanchéité (6) disposée à une extrémité de la première partie d'étanchéité (5). La partie d'étanchéité flexible (6) comprend une première rayure (7) disposée sur le côté de la partie flexible d'étanchéité (6) à l'opposé de la première partie d'étanchéité (5). Dans la mesure où une force externe est appliquée à la partie flexible d'étanchéité (6), la partie flexible d'étanchéité (6) fait saillie vers la première partie d'étanchéité (5) à la position de la rayure (7) ; et dans la mesure où la force externe est retirée, la partie flexible d'étanchéité (6) est réinitialisée.
PCT/CN2022/073746 2021-01-25 2022-01-25 Couvercle de tube de test et tube de test WO2022156812A1 (fr)

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CN202110097135.4A CN112916069A (zh) 2021-01-25 2021-01-25 一种试管盖及试管

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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112916068A (zh) * 2020-06-19 2021-06-08 上海快灵生物科技有限公司 一种生化试纸管
WO2021254512A1 (fr) * 2020-06-19 2021-12-23 上海快灵生物科技有限公司 Structure de rupture de tube, tube à essai biochimique et tube opaque thermoconducteur
CN112916069A (zh) * 2021-01-25 2021-06-08 上海快灵生物科技有限公司 一种试管盖及试管
CN112916070A (zh) * 2021-01-25 2021-06-08 上海快灵生物科技有限公司 一种生化试管
CN114675029A (zh) * 2022-01-24 2022-06-28 周雪 一种血糖监测传感器

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US20030231988A1 (en) * 2002-06-17 2003-12-18 Vacutest Kima S.R.L. Protected stopper for test-tubes
WO2013014413A1 (fr) * 2011-07-28 2013-01-31 Biopharma Technology Ltd Conteneurs d'échantillon et moyens de fermeture correspondants
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CN112916069A (zh) * 2021-01-25 2021-06-08 上海快灵生物科技有限公司 一种试管盖及试管

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US5377854A (en) * 1993-04-16 1995-01-03 International Technidyne Corp. Stopper apparatus for a test tube or similar article
US20030231988A1 (en) * 2002-06-17 2003-12-18 Vacutest Kima S.R.L. Protected stopper for test-tubes
WO2013014413A1 (fr) * 2011-07-28 2013-01-31 Biopharma Technology Ltd Conteneurs d'échantillon et moyens de fermeture correspondants
CN206152832U (zh) * 2016-09-18 2017-05-10 上海源培生物科技股份有限公司 设有卡接式盖体的试管
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CN111686833A (zh) * 2020-07-01 2020-09-22 桂林优利特医疗电子有限公司 一种免开盖试管结构
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CN112916069A (zh) * 2021-01-25 2021-06-08 上海快灵生物科技有限公司 一种试管盖及试管

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