CN216946988U

CN216946988U - Virus sampling tube

Info

Publication number: CN216946988U
Application number: CN202220218974.7U
Authority: CN
Inventors: 韩捷
Original assignee: Jiangsu Xinkang Medical Instrument Co ltd
Current assignee: Jiangsu Xinkang Medical Instrument Co ltd
Priority date: 2022-01-26
Filing date: 2022-01-26
Publication date: 2022-07-12
Anticipated expiration: 2032-01-26

Abstract

The utility model provides a virus sampling tube, which comprises: the pipe body is provided with an opening, a first thread structure is arranged on the outer side wall of one end of the pipe body, and the first thread structure is close to the opening side; the cover body covers the opening, the cover body comprises a cover body and a plug body which are connected together, a second thread structure matched with the first thread structure is arranged on the inner side wall of the cover body, a slot of the pipe body is formed at the joint of the cover body and the plug body, and the plug body is plugged into the opening of the pipe body and is surrounded in the cover body; wherein, the cock body is located be provided with many annular archs on the lateral wall in the slot, the virus sampling tube sealing performance is good, has improved the accuracy and the convenience of virus nucleic acid detection.

Description

Virus sampling tube

Technical Field

The utility model relates to the technical field of sampling tubes, in particular to a virus sampling tube.

Background

The problem that the sealing performance of the existing virus sampling tube on the market is poor is solved, the sample is polluted by the poor sealing performance of the existing virus sampling tube as a transfer carrier for virus detection, the detection accuracy is further influenced, more serious is that once the sampling tube leaks, the sampling tube has great potential safety hazard, and the consequences caused by virus pollution to the outside or a human body cannot be measured. The virus sampling tube in the prior art also has the sealing rubber gasket for enhancing the sealing performance, and the sealing mode has the problems of high cost and low efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provides a virus sampling tube which has the advantages of low cost, high efficiency and good sealing performance.

In order to achieve the above objects and other objects, the present invention includes the following technical solutions: the utility model provides a virus sampling tube, which comprises: the pipe body is provided with an opening, a first thread structure is arranged on the outer side wall of one end of the pipe body, and the first thread structure is close to the opening side; the cover body covers the opening, the cover body comprises a cover body and a plug body which are connected together, a second thread structure matched with the first thread structure is arranged on the inner side wall of the cover body, a slot of the pipe body is formed at the joint of the cover body and the plug body, and the plug body is plugged into the opening of the pipe body and is surrounded in the cover body; and a plurality of annular bulges are arranged on the side wall of the plug body in the slot.

In one embodiment, a containing cavity is arranged in the tube body, the containing cavity is communicated with the opening, and one end, away from the opening, of the containing cavity is of an inverted conical structure.

In an embodiment, a flange is disposed on an outer side wall of the pipe body near the bottom of the first thread structure, and the flange is clamped with an inner side wall of the cover body.

In one embodiment, the cross-sectional area of the slot near one end of the tube is larger than the cross-sectional area of the slot far from one end of the tube.

In one embodiment, the cross section of the annular protrusion is any one of circular arc, rectangle, trapezoid, triangle and truncated cone.

In an embodiment, an arc-shaped transition is formed at a connection position of the top of the slot and the inner side wall where the second thread structure of the cover body is located.

In one embodiment, the tube is made of polypropylene, and the cover is made of polyethylene.

In one embodiment, the shrinkage rate of the cover material is greater than that of the tube material.

In an embodiment, the plurality of annular protrusions gradually decrease in outer diameter along a direction close to the tube body, and the plurality of annular protrusions are disposed close to the top of the slot.

As described above, according to the virus sampling tube provided by the utility model, the sealing structure of the cover body is designed, different polymer materials are adopted as the tube body and the cover body, the bonding performance of the tube body and the cover body can be improved by controlling the shrinkage rate of the polymer materials, the purpose of improving the sealing performance of the sampling tube is achieved, the sealing performance of the virus sampling tube is good, and the accuracy and the convenience of virus nucleic acid detection are improved.

Drawings

FIG. 1 shows a schematic structural view and a cross-sectional view of a sampling tube according to the present invention.

FIG. 2 shows a cross-sectional view of a sampling tube according to the present invention.

Fig. 3 shows a cross-sectional view of a tubular body of the present invention.

Fig. 4 is a bottom view of the tube of the present invention.

Fig. 5 shows a cross-sectional view of the cover of the present invention.

Detailed Description

Referring to fig. 1 to 5, embodiments of the present invention are described below with specific examples, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The utility model is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention.

As shown in FIG. 1, the present invention provides a virus sampling tube, which in some embodiments may have a capacity of 10-30 mL, for example, 20mL, and which may be used as an auxiliary tool for nucleic acid detection, so as to preserve the collected sample and transport it to a nucleic acid detection instrument for subsequent PCR nucleic acid detection. The viruses include, but are not limited to, influenza, hand-foot-and-mouth, measles, and the like. The working process of the virus sampling tube can be as follows: sampling a patient by using a swab, then putting the preserving fluid into a sampling tube, putting the sample into the preserving fluid of the sampling tube for preservation, and transporting the preserved sample to a laboratory for detection. The preservative fluid can maintain the activity of the virus in a wider temperature range, reduce the virus decomposition speed and improve the positive rate of virus separation.

As shown in fig. 1 and 2, the virus sampling tube may include a cover 2 and a tube 1, the height H of the whole sampling tube may be 101 to 105mm, the tube 1 may be made of polypropylene (PP), the cover 2 may be made of polyethylene, such as high density polyethylene (hdpe) or low density polyethylene (ldpe), further, the shrinkage rate of the tube 1 may be smaller than that of the cover 2, such as the shrinkage rate of the tube 1 may be 1.4 to 1.6%, the shrinkage rate of the cover 2 may be 1.7 to 1.9%, and the tube 1 may be made of transparent material.

As shown in fig. 3, the tube body 1 may be a hollow cylindrical structure having a receiving cavity 11, an end of the tube body 1 is open 12, the opening 12 is communicated with the receiving cavity 11, the opening 12 may be used to match with the cover body 2 to form a seal with the tube body 1, an inner wall of the receiving cavity 11 far away from the end of the cover body 2 may be an inverted conical structure 15, so as to increase the depth of the receiving cavity 11 of the tube body 1, and in particular, the bottom of the tube body 1 may have a groove 16, and the groove 16 may receive the inverted conical structure 15.

As shown in fig. 3 and 4, in particular, the outer side wall of the tube body 1 may extend to the bottom of the conical structure 15 and form a plane 17, so that the sampling tube can be integrally placed on a platform, such as a table, for placement.

As shown in fig. 3, in particular, the outer side wall of the pipe body 1 may be further provided with a first thread structure 13, the first thread structure 13 may be disposed adjacent to the opening 12, the outer side wall of the pipe body 1 may be further provided with a flange 14, the cross section of the flange 14 may be a rectangular structure, the height d of the flange 14 may be 0.9-1.2 mm, for example, 1.18mm, the flange 14 may be disposed on the outer side wall of the pipe body 1, for example, may be located at the bottom of the first thread structure 13, and the flange 14 may facilitate the clamping together of the cover body 2 and the pipe body 1. In some embodiments, the outer diameter of the pipe body 1 may be 20 to 25mm, for example 22mm, 23 mm. The wall thickness of the pipe body 1 can be 0.8-1.2 mm, for example 0.9 mm.

As shown in FIG. 3, in particular, the height h1 of the tube body 1 can be 99-101 mm, the height h2 of the accommodating cavity 11 can be 96-97 mm, and the distance h3 of the flange 14 from the top of the tube body 1 can be 11-12 mm.

As shown in fig. 5, the sampling tube may further include a cover 2, the height L of the cover 2 may be 14-15 mm, the width W of the cover 2 may be 23-25 mm, the cover 2 may include a cover body 21 and a plug 22, the cover body 21 and the plug 22 are connected together to form a slot 23, the slot 23 may receive the opening 12 of the tube 1, specifically, the slot 23 may have a larger cross-sectional area near one end of the tube 1 than at an end far from the tube 1, in another aspect, an arc transition S is disposed on a side of the top of the slot 23 and the second thread structure 211, the arc transition S may enable the tube 1 to fit into the slot 23 after the tube 1 is inserted into the slot 23, so as to improve the sealing performance, and the plug 22 is enclosed in the cover body 21, the plug body 22 can be integrally plugged into the accommodating cavity 11 of the tube body 1, specifically, a second thread structure 211 is arranged on the inner side wall of the cover body 21, and the second thread structure 211 is matched with the first thread structure 13 so that the cover body 2 is in threaded connection with the tube body 1.

As shown in fig. 5, the cross section of the plug body 22 may have a W-shaped structure, the plug body 22 may include a plug 22a and a plug cap 22b, the plug 22a may surround the central position of the cover body 21, the cross sections of the plug 22a and the plug cap 22b may have an inverted funnel structure, and the inner side walls of the plug 22a and the plug cap 22b may form a hollow plug cavity 222.

As shown in fig. 1, in an embodiment, a plurality of strip-shaped protrusions 212 may be further disposed on the outer side wall of the cover body 21, the extending directions of the plurality of strip-shaped protrusions 212 may be parallel to each other, and the strip-shaped protrusions 212 may facilitate increasing the friction force of the suspension of the cover body 2.

As shown in fig. 5, further, a plurality of annular protrusions 221, such as 3 to 4 annular protrusions 221, may be disposed on a side wall of the plug cap 22b located in the insertion slot 23, the annular protrusions 221 and the second thread structure 211 jointly clamp an end of the opening 12 of the pipe body 1 in the insertion slot 23, specifically, a cross section of the annular protrusion 221 may be a circular arc shape, a triangular shape, a rectangular shape, a trapezoidal shape, a truncated cone shape, or the like, the annular protrusion 221 may be disposed near a top portion of the insertion slot 23, and an outer diameter of the plurality of annular protrusions 221 may gradually decrease in a direction approaching the pipe body 1. According to the utility model, the first thread structure and the second thread structure (13, 211) are matched with the plurality of annular bulges (221) in an inverted manner, so that the sealing performance of the sampling tube can be enhanced.

The sampling tube of the utility model has the performance of aging experiments and sealing experiments.

Aging test: the temperature of the constant temperature and humidity box is 80 ℃, the laboratory temperature is 25 ℃, the experiment is carried out for 9 days, the experiment result is equivalent to 365 days at the normal temperature, and softening and embrittlement phenomena do not occur in the experiment result.

Sealing experiment: and sealing the tester, and under an inverted state, the pressure is 70kpa, the time is 600 seconds, the liquid loading amount is 20mL, no leakage exists, and the phenomena of liquid leakage and breakage do not occur when 1 meter of the liquid is dropped on a smooth hard floor at normal temperature and normal pressure.

Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value. The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the utility model. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. A virus sampling tube, comprising: the sampling tube includes:

the pipe body is provided with an opening, a first thread structure is arranged on the outer side wall of one end of the pipe body, and the first thread structure is close to the opening side;

the cover body covers the opening, the cover body comprises a cover body and a plug body which are connected together, a second thread structure matched with the first thread structure is arranged on the inner side wall of the cover body, a slot of the pipe body is formed at the joint of the cover body and the plug body, and the plug body is plugged into the opening of the pipe body and is surrounded in the cover body;

and a plurality of annular bulges are arranged on the side wall of the plug body in the slot.

2. A virus coupon as defined in claim 1, wherein: the pipe body is provided with an accommodating cavity, the accommodating cavity is communicated with the opening, and one end, far away from the opening, of the accommodating cavity is provided with an inverted conical structure.

3. A virus coupon as defined in claim 1, wherein: the pipe body is close to be provided with the flange on the lateral wall of first helicitic texture bottom, the flange with lid body inside wall joint.

4. A virus coupon as defined in claim 1, wherein: the cross-sectional area of the slot close to one end of the pipe body is larger than that of the slot far away from one end of the pipe body.

5. A virus coupon as defined in claim 1, wherein: the cross section of the annular bulge is any one of circular arc, rectangle, trapezoid, triangle and round table.

6. A virus coupon as defined in claim 1, wherein: and the joint of the top of the slot and the inner side wall where the second thread structure of the cover body is arranged is provided with arc transition.

7. A virus coupon as defined in claim 1, wherein: the pipe body is made of polypropylene, and the cover body is made of polyethylene.

8. A virus coupon as defined in claim 1, wherein: the shrinkage rate of the cover body material is larger than that of the pipe body material.

9. A virus coupon as defined in claim 1, wherein: many annular bulge follow the direction that is close to the body reduces the external diameter gradually, many annular bulge are close to the slot top sets up.