CN214553660U - Biochemical test tube - Google Patents
Biochemical test tube Download PDFInfo
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- CN214553660U CN214553660U CN202120198068.0U CN202120198068U CN214553660U CN 214553660 U CN214553660 U CN 214553660U CN 202120198068 U CN202120198068 U CN 202120198068U CN 214553660 U CN214553660 U CN 214553660U
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Abstract
The utility model relates to a biochemical test tube, which comprises a tube body and a cover body, wherein the tube body comprises a ventilation part arranged on the inner wall of a tube orifice of the tube body; the cover body comprises a first sealing component arranged on the outer wall of the cover body; wherein, under the condition that the cover body seals the tube body for the first time, the first sealing component is embedded with the ventilation component and is used for exchanging gas between the inside of the tube body and the outside of the tube body; under the condition that the lid carries out the secondary closure to the body, first sealing member is with the inner wall interference fit of the body that is located the part below of ventilating for make biochemical test tube be sealed state. Its advantage lies in, through the setting of ventilation unit and first sealing component, can make the body switch between semi-closed state and totally closed state to carry out gas exchange operation or solution preparation operation under semi-closed state, easy and simple to handle, utilize the two stage to seal, can solve after the drying problem of getting damp, absorbing water and avoid impurity to get into the problem of the inside pollution sample of body woolen cloth.
Description
Technical Field
The utility model relates to a biochemical detection device technical field especially relates to a biochemical test tube.
Background
In preparing a sample solution or drying a sample, it is generally required that a cap of a biochemical test tube is separated from the test tube and then the relevant operation is performed.
In the process of preparing a sample solution, since the test tube opening of the test tube is open, impurities are easily caused to enter the inside of the test tube, and the sample is contaminated. In addition, the existing biochemical test tube is inconvenient for operations such as vacuumizing and the like
In the process of drying the sample, after the biochemical test tube is taken out of the instrument, the auxiliary element for ventilation needs to be removed, and then the cover is inserted or screwed into the test tube to complete the sealing. Because the process of removing and reconnecting can last certain time, lead to external steam to enter into the inside of test tube easily, lead to the moisture content of sample to rise, can't reach the operation requirement, need dry repeatedly, extravagant check-up time.
At present, no effective solution is provided aiming at the problems of complex vacuum operation and rising water content after drying in the related technology.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a biochemical test tube to not enough among the prior art to solve the problem that the moisture content rises after complicated, the drying of vacuum operation among the correlation technique at least.
In order to achieve the purpose, the utility model adopts the technical proposal that:
the first aspect of the utility model provides a biochemical test tube, including body and lid, include:
the body includes:
the air vent part is arranged on the inner wall of the pipe orifice of the pipe body;
the cover body includes:
a first sealing member provided on an outer wall of the lid body;
wherein, when the lid body closes the pipe body for the first time, the first sealing member is in contact with the ventilation member, and is configured to exchange gas between the inside of the pipe body and the outside of the pipe body via the ventilation member;
under the condition that the cover body seals the tube body for the second time, the first sealing part is in interference fit with the inner wall of the tube body below the ventilation part, and the first sealing part is used for enabling the biochemical test tube to be in a sealed state.
In some of these embodiments, the tubular body further comprises:
the first embedded part is arranged on the inner wall of the pipe orifice of the pipe body and is connected with the ventilation part;
the lid further includes:
a second fitting member provided on an outer wall of the lid body;
wherein, when the lid body closes the pipe body for the first time, the second fitting member does not contact the first fitting member, and the first seal member is fitted to the first fitting member;
the second fitting member is fitted and connected to the first fitting member when the lid body closes the pipe body for the second time.
In some embodiments, the first engaging member is embedded in the inner wall of the tube to a depth smaller than that of the vent member.
In some of these embodiments, the tubular body further comprises:
the second sealing component is arranged on the inner wall of the pipe orifice of the pipe body and is positioned below the ventilation component;
wherein, when the cover body closes the tube body for the first time, the first sealing member is in contact with the second sealing member, and the first sealing member is located above the second sealing member;
under the condition that the pipe body is sealed for the second time by the cover body, the first sealing part is located below the second sealing part, and the first sealing part is in interference fit with the inner wall of the pipe body, and the second sealing part is in interference fit with the outer wall of the cover body.
In some of these embodiments, further comprising:
the connector, the connector respectively with the body, the lid is connected, the body, the lid and the integrative injection moulding of connector.
In some embodiments, the ventilation component is a plurality of ventilation grooves, and the ventilation grooves are distributed on the inner wall of the nozzle of the tube body in an annular array.
In some of these embodiments, the cover comprises:
an opening disposed through the cover;
a third sealing member provided at one end of the opening to seal the opening;
a sealing elastic member provided on one side of the third sealing member;
the sealing elastic component comprises a scratch which is arranged on one side of the sealing elastic component far away from the third sealing component;
wherein the sealing elastic member protrudes toward the third sealing member at the position of the scratch in a case where an external force is applied to the sealing elastic member; the sealing elastic member is restored in the case where the external force applied to the sealing elastic member is removed.
In some of these embodiments, the cover further comprises:
and a positioning member disposed inside the opening, wherein the third sealing member is mounted to the positioning member, and an inner diameter of the positioning member is smaller than an inner diameter of the opening and smaller than an inner diameter of the third sealing member.
In some of these embodiments, the cover further comprises:
and the limiting component is arranged on one side of the sealing elastic component, which is far away from the third sealing component.
In some of these embodiments, the cover further comprises:
a third fitting member provided on an inner wall of the opening;
the limiting part comprises:
and a fourth fitting member provided on an outer wall of the stopper member, the fourth fitting member being fitted and connected to the third fitting member.
The second aspect of the utility model provides a biochemical test tube, including body and lid, the body includes:
the first sealing component is arranged on the inner wall of the pipe orifice of the pipe body;
the cover body includes:
a ventilation member provided on an outer wall of the lid body;
wherein the first sealing member is fitted to the ventilation member to exchange gas between the inside of the pipe body and the outside of the pipe body when the cover closes the pipe body for the first time;
under the condition that the cover body seals the tube body for the second time, the first sealing part is in interference fit with the inner wall of the tube body below the ventilation part, and the first sealing part is used for enabling the biochemical test tube to be in a sealed state.
In some of these embodiments, the tubular body further comprises:
the first embedding part is arranged on the inner wall of the pipe orifice of the pipe body;
the lid further includes:
a second fitting member provided on an outer wall of the lid body and connected to the ventilation member;
wherein, when the lid body closes the pipe body for the first time, the second fitting member does not contact the first fitting member, and the first seal member is fitted to the second fitting member;
the second fitting member is fitted and connected to the first fitting member when the lid body closes the pipe body for the second time.
In some of these embodiments, the depth of the second fitting part fitted into the outer wall of the lid body is smaller than the depth of the vent part fitted into the outer wall of the lid body.
In some of these embodiments, the cover further comprises:
a second sealing member provided on an outer wall of the lid body and located above the ventilation member;
wherein, when the cover body closes the tube body for the first time, the first sealing member contacts the second sealing member, and the first sealing member is located below the second sealing member;
the cover body is used for sealing the pipe body for the second time, the first sealing part is located above the second sealing part, and the first sealing part is in interference fit with the outer wall of the cover body and the second sealing part is in interference fit with the inner wall of the pipe orifice of the pipe body.
In some of these embodiments, further comprising:
the connector, the connector respectively with the body, the lid is connected, the body, the lid and the integrative injection moulding of connector.
In some of these embodiments, the vent member is a plurality of vent slots distributed in an annular array on the outer wall of the cover.
In some of these embodiments, the cover comprises:
an opening disposed through the cover;
a third sealing member provided at one end of the opening to seal the opening;
a sealing elastic member provided on one side of the third sealing member;
the sealing elastic component comprises a scratch which is arranged on one side of the sealing elastic component far away from the third sealing component;
wherein the sealing elastic member protrudes toward the third sealing member at the position of the scratch in a case where an external force is applied to the sealing elastic member; the sealing elastic member is restored in the case where the external force applied to the sealing elastic member is removed.
In some of these embodiments, the cover further comprises:
and a positioning member disposed inside the opening, wherein the third sealing member is mounted to the positioning member, and an inner diameter of the positioning member is smaller than an inner diameter of the opening and smaller than an inner diameter of the third sealing member.
In some of these embodiments, the cover further comprises:
and the limiting component is arranged on one side of the sealing elastic component, which is far away from the third sealing component.
In some of these embodiments, the cover further comprises:
a third fitting member provided on an inner wall of the opening;
the limiting part comprises:
and a fourth fitting member provided on an outer wall of the stopper member, the fourth fitting member being fitted and connected to the third fitting member.
The utility model adopts the above technical scheme, compare with prior art, have following technological effect:
the utility model discloses a biochemical test tube, through vent unit and first seal part's setting, can make the body switch between semi-closed state and totally closed state to carry out gas exchange operation or solution preparation operation under semi-closed state, easy and simple to handle, utilize the two stage to seal, can solve the problem that gets damp, absorb water and avoid impurity to get into the inside pollution sample of body after the drying.
Drawings
FIG. 1 is a schematic view of a biochemical cuvette according to the present application (one);
FIG. 2 is a cross-sectional view (one) of a biochemical cuvette according to the present application;
FIG. 3 is a schematic view (one) of the use state of the biochemical cuvette according to the present application;
FIG. 4 is a schematic view of the use of the biochemical cuvette according to the present application (two);
FIG. 5 is a schematic view of a biochemical cuvette according to the present application (two);
FIG. 6 is a cross-sectional view of a biochemical cuvette according to the present application (II);
FIG. 7 is a schematic view (III) of the state of use of a biochemical cuvette according to the present application;
FIG. 8 is a schematic view (IV) of the use of the biochemical cuvette according to the present application;
FIG. 9 is a schematic view (III) of a biochemical cuvette according to the present application;
FIG. 10 is a cross-sectional view (III) of a biochemical cuvette according to the present application;
FIG. 11 is a schematic view (five) of the state of use of a biochemical cuvette according to the present application;
FIG. 12 is a schematic view (six) of the use of the biochemical cuvette according to the present application;
FIG. 13 is a schematic view of a biochemical cuvette according to the present application (IV);
FIG. 14 is a cross-sectional view (IV) of a biochemical cuvette according to the present application;
FIG. 15 is a schematic view (seventh) of the use of the biochemical cuvette according to the present application;
FIG. 16 is a schematic view (eight) of the use of the biochemical cuvette according to the present application;
FIG. 17 is a schematic diagram (five) of a biochemical cuvette according to the present application;
FIG. 18 is a schematic view (six) of a biochemical cuvette according to the present application;
FIG. 19 is a schematic view (nine) of the use state of a biochemical cuvette according to the present application;
FIG. 20 is a schematic view (ten) of the use of a biochemical cuvette according to the present application;
FIG. 21 is a top view of a tubular body according to the present application;
fig. 22 is a cross-sectional view of a tubular body according to the present application.
Wherein the reference numerals are: 10. a pipe body; 20. a cover body; 30. a linker; 40. a ventilation member; 50. a first seal member; 60. a second seal member; 70. a first fitting member; 80. a second fitting member;
21. an opening; 22. a third seal member; 23. a sealing elastic member; 24. scratching; 25. a positioning member; 26. a limiting component; 27. a third fitting member; 28. a fourth fitting member.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention will be further described with reference to the accompanying drawings and specific embodiments, but the present invention is not limited thereto.
Example 1
An exemplary embodiment of the present invention, as shown in fig. 1-2, is a biochemical test tube, which comprises a tube body 10, a cover body 20 and a connector 30, wherein the tube body 10 is connected to the cover body 20 through the connector 30, and the tube body 10, the cover body 20 and the connector 30 are integrally injection-molded.
The tube 10 includes a vent 40 disposed on an inner wall of the opening of the tube 10, and is used for exchanging gas between the inside and the outside of the tube 10 through the vent 40 when the tube 10 is in a semi-closed state, such as a vacuum pumping operation, and keeping the internal and external pressures of the tube 10 consistent.
In some embodiments, the ventilation member 40 is a plurality of ventilation grooves distributed in an annular array on the inner wall of the nozzle of the tube 10, each ventilation groove has an inner diameter equal to the inner diameter of the nozzle of the tube 10, and each ventilation groove has an outer diameter smaller than the outer diameter of the nozzle of the tube 10.
The cover 20 includes a first sealing member 50 disposed on an outer wall of the cover 20, and is configured to be in interference fit with an inner wall of a pipe opening of the pipe 10 when the cover 20 completely seals the pipe 10, so as to prevent gas exchange between the inside of the pipe 10 and the outside of the pipe 10.
In some of these embodiments, the first sealing member 50 is an annular protrusion having an outer diameter greater than the inner diameter of the nozzle of the tubular body 10.
In some of the embodiments, the outer diameter of the first sealing member 50 is smaller than the outer diameter of the ventilation member 40, that is, the first sealing member 50 is embedded in the ventilation member 40 during the process of closing the tube body 10 by the cover body 20, but the first sealing member 50 cannot close the ventilation member 40.
The connector 30 is the connecting strip, makes body 10 and lid 20 integral type be connected, avoids appearing because of split type design leads to needing the manual work to carry out the problem assembled body 10 and lid 20, reduces production processes, improves production efficiency.
The method of use of this example is as follows: as shown in fig. 3, the lid body 20 closes the tube body 10 for the first time (semi-closed state), the first sealing member 50 of the lid body 20 is fitted into the ventilation member 40 of the tube body 10, and the outside diameter of the first sealing member 50 is smaller than the outside diameter of the ventilation member 40, so that the inside of the tube body 10 can exchange gas with the outside of the tube body 10 through the ventilation member 40; as shown in fig. 4, the cover 20 continues to move downward, the cover 20 closes the tube 10 for the second time (completely closed state or sealed state), the first sealing member 50 of the cover 20 is in interference fit with the inner wall of the tube 10 below the ventilation member 40, and at this time, the inside of the tube 10 cannot exchange gas with the outside of the tube 10, so that the biochemical test tube is in a sealed state.
The utility model discloses an use the scene as follows: when the sample is freeze-dried, the water or solvent in the biochemical test tube can be discharged to the outside of the biochemical test tube through the ventilation part 40 by using the semi-closed state; after freeze-drying is accomplished, exert a downward pressure to lid 20 to accomplish biochemical test tube's sealed, can avoid steam to enter into biochemical test tube's inside once more. The biochemical test tube is simple and convenient to operate, and can solve the problems of moisture regain and water absorption after drying by utilizing two-stage sealing.
Example 2
In this embodiment, which is a modification of embodiment 1, as shown in fig. 5 to 6, a biochemical test tube includes a tube body 10, a cover body 20 and a connector 30, wherein the tube body 10 is connected to the cover body 20 through the connector 30, and the tube body 10, the cover body 20 and the connector 30 are integrally injection-molded.
The structure and connection relationship of the cover 20 and the connector 30 are substantially the same as those of embodiment 1, and are not described herein again.
The tube 10 includes a vent 40 disposed on an inner wall of the opening of the tube 10, and is used for exchanging gas between the inside and the outside of the tube 10 through the vent 40 when the tube 10 is in a semi-closed state, such as a vacuum pumping operation, and keeping the internal and external pressures of the tube 10 consistent.
The ventilation component 40 is an annular ventilation groove, the inner diameter of the ventilation component 40 is equal to the inner diameter of the pipe orifice of the pipe body 10, and the outer diameter of the ventilation component 40 is smaller than the outer diameter of the pipe orifice of the pipe body 10.
The method of use of this example is as follows: as shown in fig. 7, the lid 20 closes the tube 10 for the first time (semi-closed state), the bottom of the first sealing member 50 of the lid 20 is in contact with the bottom of the ventilation member 40 of the tube 10, that is, the lid 20 and the tube 10 are in an overlapping state, which is an open state, and the outer diameter of the first sealing member 50 is smaller than the outer diameter of the ventilation member 40, so that the inside of the tube 10 can exchange gas with the outside of the tube 10 through the ventilation member 40; as shown in fig. 8, the cover 20 continues to move downward, the cover 20 closes the tube 10 for the second time (completely closed state or sealed state), the first sealing member 50 of the cover 20 is in interference fit with the inner wall of the tube 10 located below the ventilation member 40, and at this time, the inside of the tube 10 cannot exchange gas with the outside of the tube 10, so that the biochemical test tube is in a sealed state.
Example 3
In this embodiment, which is a modification of embodiment 1, as shown in fig. 9 to 10, a biochemical test tube includes a tube body 10, a cover body 20 and a connector 30, wherein the tube body 10 is connected to the cover body 20 through the connector 30, and the tube body 10, the cover body 20 and the connector 30 are integrally injection-molded.
The structure and connection relationship of the cover 20 and the connector 30 are substantially the same as those of embodiment 1, and are not described herein again.
The tube 10 includes a vent member 40 disposed on an inner wall of the tube 10 and a second sealing member 60 disposed on an inner wall of the tube 10. The ventilation component 40 is used for exchanging gas between the inside and the outside of the tube 10 through the ventilation component 40 when the tube 10 is in a semi-closed state, such as vacuumizing operation and keeping the internal and external pressure of the tube 10 consistent; the second sealing member 60 is disposed below the ventilation member 40, and is used for positioning the first sealing member 50 above the second sealing member 60 when the pipe body 10 is in the semi-closed state, and positioning the first sealing member 50 below the second sealing member 60 when the pipe body 10 is in the fully closed state.
The structure and connection relationship of the ventilation member 40 are substantially the same as those of embodiment 1, and are not described herein again.
The first sealing member 50 is a sealing convex ring, and the second sealing member 60 is a sealing convex ring.
Wherein the second sealing member 60 has an inner diameter smaller than an outer diameter of the first sealing member 50.
The method of use of this example is as follows: as shown in fig. 11, the cover 20 closes the tube 10 for the first time (semi-closed state), the first sealing member 50 of the cover 20 is located above the second sealing member 60 of the tube 10, and the outer diameter of the first sealing member 50 is larger than the inner diameter of the second sealing member 60, so that the first sealing member 50 does not interfere with the inner wall of the nozzle of the tube 10 under the blockage of the second sealing member 60, and the inside of the tube 10 can exchange gas with the outside of the tube 10 through the ventilation member 40; as shown in fig. 12, the lid 20 continues to move downward, the lid 20 closes the tube 10 for the second time (completely closed state or sealed state), the first sealing member 50 of the lid 20 passes over the second sealing member 60 of the tube 10 and then is in interference fit with the inner wall of the tube 10 located below the vent member 40, and at this time, the inside of the tube 10 and the outside of the tube 10 cannot exchange gas under the action of the first sealing member 50 and the second sealing member 60, so that the biochemical test tube is in a sealed state.
The advantage of this embodiment lies in, can play the positioning action with the second seal part, and convenient to use person judges the airtight state of lid and body according to first seal part's different positions to satisfy the biochemical test tube and ventilate and the airtight different states' of biochemical test tube switching.
Example 4
In this embodiment, which is a modification of embodiment 1, as shown in fig. 13 to 14, a biochemical test tube includes a tube body 10, a cover body 20 and a connector 30, wherein the tube body 10 is connected to the cover body 20 through the connector 30, and the tube body 10, the cover body 20 and the connector 30 are integrally injection-molded.
The structure and connection relationship of the connecting body 30 are substantially the same as those of embodiment 1, and are not described herein again.
The pipe 10 includes a vent member 40 provided on the inner wall of the pipe opening of the pipe 10 and a first fitting member 70 provided on the inner wall of the pipe opening of the pipe 10. The ventilation component 40 is used for exchanging gas between the inside and the outside of the tube 10 through the ventilation component 40 when the tube 10 is in a semi-closed state, such as vacuumizing operation and keeping the internal and external pressure of the tube 10 consistent; the first fitting member 70 is connected to the vent member 40, and is configured to be fitted to the lid 20 for the first time when the pipe 10 is in the semi-closed state, and to be fitted to the lid 20 for the second time when the pipe 10 is in the fully closed state.
The structure and connection relationship of the ventilation member 40 are substantially the same as those of embodiment 1, and are not described herein again.
In some embodiments, the first engaging member 70 is an engaging groove having an inner diameter equal to the inner diameter of the nozzle of the tube 10 and an outer diameter smaller than the outer diameter of the nozzle of the tube 10 and smaller than the outer diameter of the vent member 40.
The lid 20 includes a first seal member 50 and a second fitting member 80 provided on the outer wall of the lid 20. The first sealing member 50 is used for being in interference fit with the first embedding member 70 in the case that the cover 20 semi-seals the tube body 10, and for being in interference fit with the inner wall of the tube opening of the tube body 10 in the case that the cover 20 completely seals the tube body 10, so as to prevent the gas exchange between the inside of the tube body 10 and the outside of the tube body 10; the second fitting member 80 is not in contact with the first seal member 50, and is adapted to be fitted with the first fitting member 70 when the cover 20 completely closes the pipe body 10.
The structure and connection relationship of the first sealing member 50 are substantially the same as those of embodiment 1, and are not described herein again.
In some of these embodiments, the second engaging member 80 is an engaging projection having an outer diameter equal to the outer diameter of the first engaging member 70 and smaller than the outer diameter of the first sealing member 50.
The method of use of this example is as follows: as shown in fig. 15, the lid body 20 closes the tube body 10 for the first time (semi-closed state), the first sealing member 50 of the lid body 20 is fitted with the first fitting member 70 of the tube body 10, and the outside diameter of the first sealing member 50 is smaller than the outside diameter of the ventilation member 40, so that the inside of the tube body 10 can exchange gas with the outside of the tube body 10 through the ventilation member 40; as shown in fig. 16, the lid 20 continues to move downward, the lid 20 closes the tube 10 for the second time (completely closed state or sealed state), the first sealing member 50 of the lid 20 is in interference fit with the inner wall of the tube 10 located below the ventilation member 40, and the second fitting member 80 of the lid 20 is fitted with the first fitting member 70 of the tube 10, at which time, the inside of the tube 10 and the outside of the tube 10 cannot exchange gas, and the biochemical test tube is in a sealed state.
The advantage of this embodiment lies in, utilizes first gomphosis part and second gomphosis part to carry out the gomphosis and is connected, under the dual function that interference fit and gomphosis are connected, increases substantially the degree of difficulty of lid and body separation, avoids under the complete totally closed body's of lid condition, lid and body separation.
Example 5
In this embodiment, which is a modification of embodiment 4, as shown in fig. 17 to 18, a biochemical test tube includes a tube body 10, a cover body 20 and a connector 30, wherein the tube body 10 is connected to the cover body 20 through the connector 30, and the tube body 10, the cover body 20 and the connector 30 are integrally injection-molded.
The structure and connection relationship of the connecting body 30 are substantially the same as those of embodiment 3, and are not described herein again.
The pipe 10 includes a first sealing member 50 disposed on an inner wall of the pipe opening of the pipe 10 and a first engaging member 70 disposed on the inner wall of the pipe opening of the pipe 10. The first sealing member 50 is used for being embedded with the cover 20 when the tube 10 is in a semi-closed state, and for being in interference fit with the cover 20 when the tube 10 is in a fully closed state; the first fitting member 70 is not in contact with the first seal member 50, and is adapted to be fitted to the lid 20 in a completely closed state of the pipe 10.
In some embodiments, the first sealing member 50 is an annular protrusion having an inner diameter smaller than the inner diameter of the nozzle of the tubular body 10.
In some embodiments, the first engaging member 70 is an engaging protrusion having an inner diameter smaller than the inner diameter of the nozzle of the tube 10 and larger than the inner diameter of the first sealing member 50.
The lid body 20 includes a ventilation member 40 provided on an outer wall of the lid body 20 and a second fitting member 80 provided on an outer wall of the lid body 20. The ventilation component 40 is used for exchanging gas between the inside and the outside of the tube 10 through the ventilation component 40 when the tube 10 is in a semi-closed state, such as vacuumizing operation and keeping the internal and external pressure of the tube 10 consistent; the second fitting member 80 is connected to the ventilation member 40, and is adapted to be fitted to the first seal member 50 for the first time when the pipe body 10 is in the semi-closed state, and to be fitted to the first fitting member 70 for the second time when the pipe body 10 is in the completely closed state.
In some embodiments, the vent member 40 is a plurality of vent grooves distributed in an annular array on the outer wall of the cover 20, each vent groove has an outer diameter equal to the outer diameter of the cover 20, and each vent groove has an inner diameter greater than the inner diameter of the cover 20.
In some of these embodiments, the second engaging member 80 is an engaging groove having an inner diameter larger than that of the vent member 40.
In some embodiments, the inner diameter of the first sealing member 50 is larger than the inner diameter of the vent member 40, that is, the first sealing member 50 is embedded in the vent member 40 during the process of closing the tube 10 by the cover 20, but the first sealing member 50 cannot close the vent member 40.
The method of use of this example is as follows: as shown in fig. 19, the lid body 20 closes the tube body 10 for the first time (semi-closed state), the first sealing member 50 of the tube body 10 is fitted to the second fitting member 80 of the lid body 20, and the inside of the tube body 10 can exchange gas with the outside of the tube body 10 through the ventilation member 40 because the inside diameter of the first sealing member 50 is larger than the inside diameter of the ventilation member 40; as shown in fig. 20, the lid 20 continues to move downward, the lid 20 closes the tube 10 for the second time (completely closed state or sealed state), the first sealing member 50 of the tube 10 is in interference fit with the outer wall of the lid 20 located above the ventilation member 40, and the second fitting member 80 of the lid 20 is fitted with the first fitting member 70 of the tube 10, at which time, the inside of the tube 10 and the outside of the tube 10 cannot exchange gas, and the biochemical test tube is in a sealed state.
Example 6
This embodiment is a modification of embodiment 3. A biochemical test tube comprises a tube body 10, a cover body 20 and a connector 30, wherein the tube body 10 is connected with the cover body 20 through the connector 30, and the tube body 10, the cover body 20 and the connector 30 are integrally formed in an injection molding mode.
The structure and connection relationship of the connecting body 30 are substantially the same as those of embodiment 1, and are not described herein again.
The tube 10 includes a first sealing member 50 disposed on an inner wall of the nozzle of the tube 10. The first sealing member 50 is configured to be engaged with the lid 20 when the tube 10 is in a semi-closed state, and to be interference-fitted with the lid 20 when the tube 10 is in a fully-closed state.
In some embodiments, the first sealing member 50 is an annular protrusion having an inner diameter smaller than the inner diameter of the nozzle of the tubular body 10.
The lid body 20 includes a ventilation member 40 provided on an outer wall of the lid body 20 and a second sealing member 60 provided on an outer wall of the lid body 20. The ventilation component 40 is used for exchanging gas between the inside and the outside of the tube 10 through the ventilation component 40 when the tube 10 is in a semi-closed state, such as vacuumizing operation and keeping the internal and external pressure of the tube 10 consistent; the second sealing member 60 is disposed above the ventilation member 40, and is used for positioning the first sealing member 50 below the second sealing member 60 when the pipe body 10 is in the semi-closed state, and positioning the first sealing member 50 above the second sealing member 60 when the pipe body 10 is in the fully closed state.
In some of these embodiments, the vent member 40 is an annular vent groove, the outer diameter of the vent member 40 is equal to the outer diameter of the cap body 20, and the inner diameter of the vent member 40 is smaller than the inner diameter of the cap body 20.
In some embodiments, the vent member 40 is a plurality of vent grooves distributed in an annular array on the outer wall of the cover 20, each vent groove has an outer diameter equal to the outer diameter of the cover 20, and each vent groove has an inner diameter greater than the inner diameter of the cover 20.
The first sealing member 50 is a sealing convex ring, and the second sealing member 60 is a sealing convex ring.
Wherein the second sealing member 60 has an inner diameter smaller than an outer diameter of the first sealing member 50.
The method of use of this example is as follows: the cover 20 closes the tube 10 for the first time (semi-closed state), the second sealing member 60 of the cover 20 is located above the first sealing member 50 of the tube 10, and because the outer diameter of the first sealing member 50 is larger than the inner diameter of the second sealing member 60, the first sealing member 50 does not interfere with the outer wall of the cover 20 under the blockage of the second sealing member 60, and the inside of the tube 10 can exchange gas with the outside of the tube 10 through the ventilation member 40; the cover 20 continues to move downward, the cover 20 closes the tube 10 for the second time (completely closed state or sealed state), the first sealing member 50 of the tube 10 passes over the second sealing member 60 of the cover 20 and then is in interference fit with the outer wall of the cover 20 above the vent member 40, at this time, under the action of the first sealing member 50 and the second sealing member 60, gas exchange cannot be performed between the inside of the tube 10 and the outside of the tube 10, and thus the biochemical test tube is in a sealed state.
Example 7
This example is a combination of example 3 and example 4. A biochemical test tube comprises a tube body 10, a cover body 20 and a connector 30, wherein the tube body 10 is connected with the cover body 20 through the connector 30, and the tube body 10, the cover body 20 and the connector 30 are integrally formed in an injection molding mode.
The structure and connection relationship of the connecting body 30 are substantially the same as those of embodiment 1, and are not described herein again.
The pipe 10 includes a vent member 40 provided on the inner wall of the pipe opening of the pipe 10, a second sealing member 60 provided on the inner wall of the pipe opening of the pipe 10, and a first fitting member 70 provided on the inner wall of the pipe opening of the pipe 10. The ventilation component 40 is used for exchanging gas between the inside and the outside of the tube 10 through the ventilation component 40 when the tube 10 is in a semi-closed state, such as vacuumizing operation and keeping the internal and external pressure of the tube 10 consistent; the second sealing member 60 is disposed below the ventilation member 40, and is used for positioning the first sealing member 50 above the second sealing member 60 when the pipe body 10 is in the semi-closed state, and positioning the first sealing member 50 below the second sealing member 60 when the pipe body 10 is in the fully-closed state; the first fitting member 70 is connected to the vent member 40, and is configured to be fitted to the lid 20 for the first time when the pipe 10 is in the semi-closed state, and to be fitted to the lid 20 for the second time when the pipe 10 is in the fully closed state.
The structure and connection relationship of the vent member 40 are substantially the same as those of embodiment 1, the structure and connection relationship of the second sealing member 60 are substantially the same as those of embodiment 2, and the structure and connection relationship of the first engaging member 70 are substantially the same as those of embodiment 3, and thus, the description thereof is omitted.
The lid 20 includes a first seal member 50 and a second fitting member 80 provided on the outer wall of the lid 20. The first sealing member 50 is used for being in interference fit with the first embedding member 70 in the case that the cover 20 semi-seals the tube body 10, and for being in interference fit with the inner wall of the tube opening of the tube body 10 in the case that the cover 20 completely seals the tube body 10, so as to prevent the gas exchange between the inside of the tube body 10 and the outside of the tube body 10; the second fitting member 80 is not in contact with the first seal member 50, and is adapted to be fitted with the first fitting member 70 when the cover 20 completely closes the pipe body 10.
The structure and connection relationship of the first sealing member 50 and the second engaging member 80 are substantially the same as those of embodiment 3, and are not described herein again.
The method of use of this example is as follows: the cover 20 is used for sealing the tube 10 for the first time (semi-closed state), the first sealing member 50 of the cover 20 is located above the second sealing member 60 of the tube 10, the second embedding member 80 of the cover 20 is located above the first embedding member 70 of the tube 10, and the outer diameter of the first sealing member 50 is larger than the inner diameter of the second sealing member 60, so that the first sealing member 50 cannot be in interference fit with the inner wall of the tube opening of the tube 10 under the blockage of the second sealing member 60, and the inside of the tube 10 can exchange gas with the outside of the tube 10 through the ventilation member 40; the cover 20 continues to move downward, the cover 20 closes the tube 10 for the second time (completely closed state or sealed state), the first sealing member 50 of the cover 20 passes over the second sealing member 60 of the tube 10 and then is in interference fit with the inner wall of the tube 10 below the ventilation member 40, the second engaging member 80 of the cover 20 is engaged with the first engaging member 70 of the tube 10, at this time, under the combined action of the interference fit between the first sealing member 50 and the second sealing member 60 and the engagement between the first engaging member 70 and the second engaging member 80, the inside of the tube 10 and the outside of the tube 10 cannot exchange gas, so that the biochemical test tube is in a sealed state.
Example 8
This example is a combination of examples 5 and 6. A biochemical test tube comprises a tube body 10, a cover body 20 and a connector 30, wherein the tube body 10 is connected with the cover body 20 through the connector 30, and the tube body 10, the cover body 20 and the connector 30 are integrally formed in an injection molding mode.
The structure and connection relationship of the connecting body 30 are substantially the same as those of embodiment 1, and are not described herein again.
The pipe 10 includes a first sealing member 50 disposed on an inner wall of the pipe opening of the pipe 10 and a first engaging member 70 disposed on the inner wall of the pipe opening of the pipe 10. The first sealing member 50 is used for being embedded with the cover 20 when the tube 10 is in a semi-closed state, and for being in interference fit with the cover 20 when the tube 10 is in a fully closed state; the first fitting member 70 is not in contact with the first seal member 50, and is adapted to be fitted to the lid 20 in a completely closed state of the pipe 10.
The first seal member 50 and the first fitting member 70 have substantially the same structure and connection relationship as those of embodiment 4.
The pipe body 100 includes the ventilation member 40 provided on the outer wall of the lid body 20, the second seal member 60 provided on the outer wall of the lid body 20, and the second fitting member 80 provided on the outer wall of the lid body 20. The ventilation component 40 is used for exchanging gas between the inside and the outside of the tube 10 through the ventilation component 40 when the tube 10 is in a semi-closed state, such as vacuumizing operation and keeping the internal and external pressure of the tube 10 consistent; the second sealing member 60 is disposed above the ventilation member 40, and is used for positioning the first sealing member 50 below the second sealing member 60 when the pipe body 10 is in the semi-closed state, and positioning the first sealing member 50 above the second sealing member 60 when the pipe body 10 is in the fully-closed state; the second fitting member 80 is connected to the ventilation member 40 and is fitted to the first fitting member 70 when the pipe body 10 is in the completely closed state.
The method of use of this example is as follows: the cover 20 closes the pipe 10 for the first time (semi-closed state), the second sealing member 60 of the cover 20 is located above the first sealing member 50 of the pipe 10, the second fitting member 80 is located above the first fitting member 70, and the outer diameter of the first sealing member 50 is larger than the inner diameter of the second sealing member 60, so that the first sealing member 50 does not interfere with the outer wall of the cover 20 under the blockage of the second sealing member 60, and the inside of the pipe 10 can exchange gas with the outside of the pipe 10 through the ventilation member 40; the cover 20 continues to move downward, the cover 20 closes the tube 10 for the second time (completely closed state or sealed state), the first sealing member 50 of the tube 10 passes over the second sealing member 60 of the cover 20 and then is in interference fit with the outer wall of the cover 20 located above the ventilation member 40, the first engaging member 70 of the tube 10 is engaged with the second engaging member 80 of the cover 20, and at this time, under the combined action of the interference fit between the first sealing member 50 and the second sealing member 60 and the engagement connection between the first engaging member 70 and the second engaging member 80, the inside of the tube 10 and the outside of the tube 10 cannot exchange gas, so that the biochemical test tube is in a sealed state.
Example 9
This embodiment is a modified embodiment of the lid 20 of embodiments 1 to 8.
As shown in fig. 21 to 22, the lid body 20 includes an opening 21, a third seal member 22, and a seal elastic member 23. The opening 21 is disposed through the upper and lower ends of the cover 20, the third sealing member 22 is disposed at one end of the opening 21 for sealing the cover 20, and the sealing elastic member 23 is disposed on the upper end surface of the third sealing member 22 and covers the third sealing member 22.
The sealing elastic member 23 includes a scored line 24, and the scored line 24 is provided on a side of the sealing elastic member 23 away from the third sealing member 22. Specifically, the scratches 24 are provided on the upper end surface of the seal elastic member 23.
The scratches 24 are formed through the upper and lower ends of the elastic sealing member 23.
In one embodiment, score 24 is formed by at least three dividing slits connected at first ends to form a shape diverging outwardly from a center point. If the number of the separation seams is n (n is a natural number which is more than or equal to 3), the included angle formed by two adjacent separation seams is 360 degrees/n.
Generally, the preferable number of the separation slits is 3 to 5, that is, the scratch 24 is in a triangular star shape, a cross shape, a pentagram shape.
To facilitate the installation of the third sealing member 22, the cover 20 further includes a positioning member 25, and the positioning member 25 is disposed inside the opening 21 and is integrally formed with the opening 21. The third seal member 22 is attached to the upper end surface of the positioning member 25, and the inner diameter of the positioning member 25 is smaller than the inner diameter of the opening 21 and the inner diameter of the third seal member 22.
In one embodiment, the positioning member 25 is a mounting boss.
In order to limit the position of the elastic sealing member 23 and prevent the elastic sealing member 23 from falling off, the cover 20 further includes a stopper member 26, and the stopper member 26 is disposed on a side of the elastic sealing member 23 away from the third sealing member 22, that is, on an upper end surface of the elastic sealing member 23. Wherein, the limiting component 26 is connected with the cover body 20 to limit the sealing elastic component 23 from displacement in the vertical direction.
In one embodiment, the stop member 26 is a stop collar. Wherein the scratch 24 has a circumscribed circle, and the inner diameter of the position-limiting member 26 is not smaller than the outer diameter of the circumscribed circle.
In one embodiment, the stopper 26 is engaged with the cover 20. Specifically, the cover 20 includes a third fitting part 27, and the third fitting part 27 is provided on the inner wall of the opening 21 and above the positioning part 25. The stopper member 26 includes a fourth fitting member 28, and the fourth fitting member 28 is provided on an outer wall of the stopper member 26. When the stopper member 26 is connected to the lid body 20, the third fitting member 27 is fitted and connected to the fourth fitting member 28, so that the connection strength between the stopper member 26 and the lid body 20 is improved, and the stopper member 26 is prevented from falling off.
In one embodiment, the third engaging member 27 is an engaging recess, and the fourth engaging member 28 is an engaging projection.
In one embodiment, the third sealing member 22 is a sealing membrane, such as an aluminum foil membrane.
In one embodiment, the sealing elastic member 23 is made of any one or a combination of plastic, rubber, silicon, and the like.
The utility model discloses a use method does: the cover 20 is disposed to enclose the tube 10 (e.g., inserted, threaded, inserted, etc.); after an injection part (such as a needle) of the syringe carrying the solution passes through the scratch 24 and punctures the third sealing part 22, the injection part extends into the tube 10, and the solution is injected into the tube 10; after the injection is completed, the syringe is removed, and the sealing elastic member 23 is restored, at this time, although the third sealing member 22 is broken, the sealing elastic member 23 shields the broken third sealing member 22, and the tube body 10 is again in a sealing state.
The above description is only an example of the preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and those skilled in the art should be able to realize the equivalent alternatives and obvious variations of the present invention.
Claims (18)
1. The utility model provides a biochemical test tube, includes body and lid, its characterized in that, the body includes:
the air vent part is arranged on the inner wall of the pipe orifice of the pipe body;
the cover body includes:
a first sealing member provided on an outer wall of the lid body;
wherein, when the lid body closes the tube body for the first time, the first sealing member is in contact with the ventilation member, and is used for exchanging gas between the inside of the tube body and the outside of the tube body through the ventilation member;
under the condition that the cover body seals the tube body for the second time, the first sealing part is in interference fit with the inner wall of the tube body below the ventilation part, and the first sealing part is used for enabling the biochemical test tube to be in a sealed state.
2. The biochemical cuvette of claim 1, wherein the tube body further comprises:
the first embedded part is arranged on the inner wall of the pipe orifice of the pipe body and is connected with the ventilation part;
the lid further includes:
a second fitting member provided on an outer wall of the lid body;
wherein, when the lid body closes the pipe body for the first time, the second fitting member does not contact the first fitting member, and the first seal member is fitted to the first fitting member;
the second fitting member is fitted and connected to the first fitting member when the lid body closes the pipe body for the second time.
3. The biochemical cuvette of claim 1 or 2, wherein the tube body further comprises:
the second sealing component is arranged on the inner wall of the pipe orifice of the pipe body and is positioned below the ventilation component;
wherein, when the cover body closes the tube body for the first time, the first sealing member is in contact with the second sealing member, and the first sealing member is located above the second sealing member;
under the condition that the pipe body is sealed for the second time by the cover body, the first sealing part is located below the second sealing part, and the first sealing part is in interference fit with the inner wall of the pipe body, and the second sealing part is in interference fit with the outer wall of the cover body.
4. The biochemical cuvette of claim 1, further comprising:
the connector, the connector respectively with the body, the lid is connected, the body, the lid and the integrative injection moulding of connector.
5. The biochemical cuvette according to claim 1, wherein the vent member is a plurality of vent grooves, and the plurality of vent grooves are distributed in an annular array on the inner wall of the nozzle of the tube body.
6. The biochemical cuvette of claim 1, wherein the cover comprises:
an opening disposed through the cover;
a third sealing member provided at one end of the opening to seal the opening;
a sealing elastic member provided on one side of the third sealing member;
the sealing elastic component comprises a scratch which is arranged on one side of the sealing elastic component far away from the third sealing component;
wherein the sealing elastic member protrudes toward the third sealing member at the position of the scratch in a case where an external force is applied to the sealing elastic member; the sealing elastic member is restored in the case where the external force applied to the sealing elastic member is removed.
7. The biochemical cuvette of claim 6, wherein the cover further comprises:
and a positioning member disposed inside the opening, wherein the third sealing member is mounted to the positioning member, and an inner diameter of the positioning member is smaller than an inner diameter of the opening and smaller than an inner diameter of the third sealing member.
8. The biochemical cuvette of claim 6, wherein the cover further comprises:
and the limiting component is arranged on one side of the sealing elastic component, which is far away from the third sealing component.
9. The biochemical cuvette of claim 8, wherein the cover further comprises:
a third fitting member provided on an inner wall of the opening;
the limiting part comprises:
and a fourth fitting member provided on an outer wall of the stopper member, the fourth fitting member being fitted and connected to the third fitting member.
10. The utility model provides a biochemical test tube, includes body and lid, its characterized in that, the body includes:
the first sealing component is arranged on the inner wall of the pipe orifice of the pipe body;
the cover body includes:
a ventilation member provided on an outer wall of the lid body;
wherein the first sealing member is fitted to the ventilation member to exchange gas between the inside of the pipe body and the outside of the pipe body when the cover closes the pipe body for the first time;
under the condition that the cover body seals the tube body for the second time, the first sealing part is in interference fit with the inner wall of the tube body below the ventilation part, and the first sealing part is used for enabling the biochemical test tube to be in a sealed state.
11. The biochemical cuvette of claim 10, wherein the tube body further comprises:
the first embedding part is arranged on the inner wall of the pipe orifice of the pipe body;
the lid further includes:
a second fitting member provided on an outer wall of the lid body and connected to the ventilation member;
wherein, when the lid body closes the pipe body for the first time, the second fitting member does not contact the first fitting member, and the first seal member is fitted to the second fitting member;
the second fitting member is fitted and connected to the first fitting member when the lid body closes the pipe body for the second time.
12. The biochemical cuvette of claim 10, wherein the cover further comprises:
a second sealing member provided on an outer wall of the lid body and located above the ventilation member;
wherein, when the cover body closes the tube body for the first time, the first sealing member contacts the second sealing member, and the first sealing member is located below the second sealing member;
the cover body is used for sealing the pipe body for the second time, the first sealing part is located above the second sealing part, and the first sealing part is in interference fit with the outer wall of the cover body and the second sealing part is in interference fit with the inner wall of the pipe orifice of the pipe body.
13. The biochemical cuvette of claim 10, further comprising:
the connector, the connector respectively with the body, the lid is connected, the body, the lid and the integrative injection moulding of connector.
14. The biochemical cuvette according to claim 10, wherein the vent member is a plurality of vent grooves, and the plurality of vent grooves are distributed in a circular array on the outer wall of the cover.
15. The biochemical cuvette of claim 10, wherein the cover comprises:
an opening disposed through the cover;
a third sealing member provided at one end of the opening to seal the opening;
a sealing elastic member provided on one side of the third sealing member;
the sealing elastic component comprises a scratch which is arranged on one side of the sealing elastic component far away from the third sealing component;
wherein the sealing elastic member protrudes toward the third sealing member at the position of the scratch in a case where an external force is applied to the sealing elastic member; the sealing elastic member is restored in the case where the external force applied to the sealing elastic member is removed.
16. The biochemical cuvette of claim 15, wherein the cover further comprises:
and a positioning member disposed inside the opening, wherein the third sealing member is mounted to the positioning member, and an inner diameter of the positioning member is smaller than an inner diameter of the opening and smaller than an inner diameter of the third sealing member.
17. The biochemical cuvette of claim 15, wherein the cover further comprises:
and the limiting component is arranged on one side of the sealing elastic component, which is far away from the third sealing component.
18. The biochemical cuvette of claim 17, wherein the cover further comprises:
a third fitting member provided on an inner wall of the opening;
the limiting part comprises:
and a fourth fitting member provided on an outer wall of the stopper member, the fourth fitting member being fitted and connected to the third fitting member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120198068.0U CN214553660U (en) | 2021-01-25 | 2021-01-25 | Biochemical test tube |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120198068.0U CN214553660U (en) | 2021-01-25 | 2021-01-25 | Biochemical test tube |
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| Publication Number | Publication Date |
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| CN214553660U true CN214553660U (en) | 2021-11-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112916070A (en) * | 2021-01-25 | 2021-06-08 | 上海快灵生物科技有限公司 | Biochemical test tube |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112916070A (en) * | 2021-01-25 | 2021-06-08 | 上海快灵生物科技有限公司 | Biochemical test tube |
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