CN219089380U

CN219089380U - Nucleic acid sampling test tube

Info

Publication number: CN219089380U
Application number: CN202223425311.1U
Authority: CN
Inventors: 张文皓
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2023-05-30
Anticipated expiration: 2032-12-20

Abstract

The utility model provides a nucleic acid sampling test tube, has solved current sampling test tube can not compromise be convenient for open, comparatively laborsaving and the lower and then relatively poor technical problem of practicality that leads to the sampling test tube of cost. The pipe comprises a pipe body and a cover body, wherein the cover body is in threaded connection with the opening end of the pipe body; the cover body comprises a cover body and a cover cap, wherein one end of the cover body is provided with an open tubular structure, the other end of the cover body is provided with a placing opening, a sliding cover for plugging the placing opening is slidably arranged in the placing opening, the cover cap is movably arranged on the cover body through a connecting piece, and the cover cap is detachably fixed at the end of the cover body where the placing opening is located. The nucleic acid sampling test tube designed by the utility model has the characteristics of more labor-saving and convenient operation, low cost and better practicability. The utility model is mainly used in the technical field of nucleic acid sampling test tube production.

Description

Nucleic acid sampling test tube

Technical Field

The utility model relates to the technical field of nucleic acid sampling test tube production, in particular to a nucleic acid sampling test tube.

Background

The existing nucleic acid sampling flow is as follows: after one sampling, the cotton swab is broken off, the cotton swab after the breaking falls into a sampling test tube, the cover is covered in time, then the next sampling is carried out, the cover is opened again to break off the cotton swab, and the cover is covered again, so that the process is repeated.

In order to ensure that the sample is not contaminated, the cap needs to be repeatedly opened, and repeated opening and closing of the cap and tube, which are assembled in a closed manner using threads, obviously results in an extended overall sampling time, which in turn means that the risk of cross-contamination of a large number of people gathering is increased.

In order to accelerate sampling time, the prior publication number is CN114557729A and is named as an improved nucleic acid virus sampling tube, the cover and the sampling tube main body are assembled in a clamping manner, the clamping manner is obviously more convenient to operate, but in order to ensure tightness, a sealing boss for clamping is tightly matched with a semicircular through hole, and the sealing boss is not labor-saving in opening and has poor practicability.

The patent with the publication number of CN115161169A and the name of an easy-to-open nucleic acid sampling test tube seals a tube body and a tube cover through the principle of an electromagnetic valve, and the tube cover is opened only by simply poking the tube cover, but obviously the electromagnetic valve has the advantages of complex structure, high cost and poor practicability.

Disclosure of Invention

The utility model aims at overcoming the defects of the prior art, and provides a nucleic acid sampling test tube, which solves the technical problems that the prior sampling test tube cannot be conveniently opened, saves labor and is low in cost, so that the practicability of the sampling test tube is poor.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the nucleic acid sampling test tube comprises a tube body and a cover body, wherein the cover body is in threaded connection with the open end of the tube body; the cover body comprises a cover body and a cover cap, wherein one end of the cover body is provided with an open tubular structure, the other end of the cover body is provided with a placing opening, a sliding cover for plugging the cover body is arranged in the placing opening in a sliding manner, the cover cap is movably installed on the cover body through a connecting piece, and the cover cap is detachably fixed on the cover body at the end where the placing opening is located.

Further, the inner side of the end part of the cover body where the placement opening is located is provided with a limiting column, which is a first limiting column and a second limiting column, the first limiting column and the second limiting column are respectively arranged at two ends of the placement opening, and the sliding cover is respectively abutted to the first limiting column and the second limiting column so as to completely open or completely seal the placement opening.

Further, the sliding cover is slidably mounted on the cover body, a closed sealing ring is arranged between the sliding cover and the cover body, one end of the sealing ring is fixed on the sliding cover, and the other end of the sealing ring is abutted to the cover body.

Further, a pushing cap is arranged on the sliding cover, and the pushing cap is fixed in the middle of the sliding cover.

Further, the cover body is further provided with a locking piece, the locking piece comprises a clamping rod which is slidably mounted on the cover body, the pushing cap is provided with a positioning hole, and the clamping rod is clamped in the positioning hole so as to fix the sliding cover on the cover body.

Further, the retaining member further comprises a first mounting block and a second mounting block, the clamping rod penetrates through the first mounting block and the second mounting block, two limiting balls are fixed on the clamping rod and are respectively a first limiting ball and a second limiting ball, the first limiting balls are arranged at the end part, far away from the pushing cap, of the clamping rod, and the second limiting balls are arranged between the first mounting block and the second mounting block.

Further, the outer wall of the cover body is further surrounded with a first limiting plate and a second limiting plate which are arranged in parallel, the first limiting plate and the second limiting plate are arranged between each other, the connecting piece comprises a connecting ring sleeved between the first limiting plate and the second limiting plate, the connecting ring is externally connected with a connecting sheet, and the connecting sheet is externally connected with the cap.

Further, the cap is close to one end of the cover body and is provided with a threaded portion, when the cap is in threaded connection with the cover body through the threaded portion, the bottom of the cap is abutted to the first limiting plate, and a containing cavity for containing the pushing cap and the locking piece is formed between the cap and the cover body.

Further, anti-skid patterns are uniformly distributed on the outer wall of the lower end of the cover body along the circumferential direction of the cover body.

Further, a baffle with an inlet is arranged at the upper end of the pipe body, an abutting column is arranged on one side of the baffle, the abutting column abuts against the inner wall of the pipe body, and one side, close to the inlet, of the abutting column is an inwards concave arc-shaped surface.

The beneficial effects of the utility model are as follows:

according to the nucleic acid sampling test tube designed by the utility model, the purpose of rapidly opening the cover body can be realized through the arrangement of the sliding cover, compared with the traditional mode of screw connection or the mode of clamping connection, the cover body is fixed on the tube body, and the sliding mounting mode is more labor-saving and convenient in opening, has simpler structure and lower production cost; and the cap is detachably arranged on the cover body through the connecting piece movable mounting on the cover body, the cap cannot be lost, and meanwhile, the tightness and the safety of the nucleic acid sampling test tube during transferring are guaranteed, so that the practicability is better.

Drawings

FIG. 1 is a schematic perspective view of a nucleic acid sampling tube according to the first embodiment;

FIG. 2 is an enlarged schematic view of the structure shown at A in FIG. 1;

fig. 3 is a schematic structural view of the cover in the first embodiment when the cover is fully opened;

fig. 4 is a schematic structural view of the cover body in the first embodiment in a completely closed state;

fig. 5 is a cross-sectional view of the lid body in the first embodiment from the bottom;

FIG. 6 is a schematic perspective view of a nucleic acid sampling tube according to a second embodiment;

FIG. 7 is an enlarged schematic view of the structure shown at B in FIG. 6;

reference numerals illustrate:

1. a tube body; 11. a baffle; 11-1, an inlet; 12. abutting the column;

2. a cover body; 20. a placement port; 21. a sliding cover; 21-1, pushing the cap; 21-11, positioning holes; 22. a first limiting plate; 23. a second limiting plate; 24. anti-skid lines;

3. capping; 30. a threaded portion; 31. a connecting sheet; 32. a connecting ring;

4. a locking member; 41. a first mounting block; 42. a second mounting block; 43. a first limit ball; 44. the second limiting ball;

45. a clamping rod; 46. a first limit post; 47. and the second limiting column.

Detailed Description

The technical scheme of the utility model is further described below with reference to the accompanying figures 1-7 and examples.

Example 1

As shown in fig. 1, a nucleic acid sampling test tube comprises a tube body 1 and a cover body, wherein the cover body is in threaded connection with the opening end of the tube body 1, the cover body comprises a cover body 2 and a cover cap 3 movably mounted on the cover body 2, one end of the cover body 2 is provided with an open tubular structure, the other end of the cover body 2 is provided with a placing opening 20, a sliding cover 21 for blocking the placing opening 20 is slidably mounted in the placing opening 20, the cover cap 3 is movably mounted on the cover body 2 through a connecting piece, and the cover cap 3 is detachably fixed at the end of the placing opening 20 of the cover body 2.

As shown in fig. 2-5, specifically, a slide way with a clamping groove is arranged on the inner side of the end part of the cover body 2 where the placement opening 20 is located, and a clamping block matched with the clamping groove is arranged on the sliding cover 21 and is clamped in the clamping groove so as to install the sliding cover 21 on the cover body 2.

The area of the sliding cover 21 is larger than the area of the opening of the placement opening 20 so as to ensure that the sliding cover 21 can completely seal the placement opening 20. And fix the sealing washer that is closed figure of a round rubber material on sliding closure 21, when sliding closure 21 just in time will place the mouth 20 and shutoff completely, the sealing washer is located the periphery of placing the mouth 20 and butt on lid body 2 to guarantee the leakproofness of lid body 2, guarantee that the sample in the body 1 does not receive the interference of environmental factor.

The pushing cap 21-1 is arranged on the sliding cover 21, the pushing cap 21-1 is integrally formed in the middle of the sliding cover 21, and the pushing cap 21-1 is convenient for a nucleic acid sampling person to push the sliding cover 21 to open or close the placing opening 20.

The inner side of the cover body 2 is further provided with two limiting posts, namely a first limiting post 46 and a second limiting post 47, and the first limiting post 46 and the second limiting post 47 are respectively arranged at two ends of the placing port 20.

When one end of the sliding cover 21 is abutted against the first limit post 46, the placing opening 20 is completely blocked, and the inside of the pipe body 1 is in a completely sealed state; when the other end of the sliding cover 21 abuts against the second limiting post 47, the placement opening 20 is completely opened, and the tube 1 is in a sampling state.

Arc grooves with the same diameter as the second limiting columns 47 and the second limiting columns 47 can be formed in the two ends of the sliding cover 21, and positioning of the sliding cover 21 is better achieved.

The outer wall of the cover body 2 is also surrounded with a first limiting plate 22 and a second limiting plate 23 which are arranged in parallel, and a connecting piece is arranged between the first limiting plate 22 and the second limiting plate 23.

The connecting piece comprises a connecting ring 32 sleeved between the first limiting plate 22 and the second limiting plate 23, the diameter of the connecting ring 32 is smaller than that of the first limiting plate 22 and the second limiting plate 23, and the width of the connecting ring 32 is smaller than the height between the first limiting plate 22 and the second limiting plate 23, so that the connecting ring 32 rotates conveniently; the connecting ring 32 is externally connected with the connecting piece 31, and the connecting piece 31 is externally connected with the cap 3.

The connecting ring 32, the connecting piece 31 and the cap 3 are integrally formed.

The end of the cap 3 near the placement port 20 is provided with a screw portion 30, and the cap 3 is screwed to the cap body 2 by the screw portion 30.

When the cap 3 is screwed on the cap body 2 through the screw portion 30 thereon, the lower end of the cap 3 abuts against the first limiting plate 22, and at this time, the top of the cap 3 does not abut against the cap body 2, i.e., at this time, a receiving cavity is formed between the cap 3 and the cap body 2.

The accommodation chamber is for accommodating the push cap 21-1.

The height of the accommodating cavity can be slightly smaller than that of the pushing cap 21-1, when the cap 3 is in threaded connection with the cap body 2, the cap 3 can be abutted against the pushing cap 21-1, and the risk that the sampling test tube shakes in the transferring process and then the sliding cover 21 is shifted can be prevented.

The cover body 2 is further provided with a locking member 4, the locking member 4 comprises a first mounting block 41, a second mounting block 42 and a clamping connection rod 45 which is fixed on the first mounting block 41 and the second mounting block 42 in a penetrating mode, the clamping connection rod 45 is further fixedly provided with a limiting ball, the limiting ball is respectively a first limiting ball 43 and a second limiting ball 44, the first limiting ball 43 is arranged at one end, far away from the pushing cap 21-1, of the clamping connection rod 45, namely the outer end of the first mounting block 41, the second limiting ball 44 is arranged between the first mounting block 41 and the second mounting block 42, and the clamping connection rod 45 can be prevented from being separated from the first mounting block 41 or the second mounting block 42 by the aid of the limiting balls 43 and the second limiting balls 44.

The positioning hole 21-11 is formed in the pushing cap 21-1, when the sliding cover 21 is in the state of completely sealing the placing opening 20, that is, one end of the sliding cover 21 is abutted against the first limiting post 46, the positioning hole 21-11 in the pushing cap 21-1 is just coaxial with the clamping rod 45, and the clamping rod 45 is pushed to clamp the clamping rod 45 in the positioning hole 21-11 to further fix the sliding cover 21.

In order to ensure the locking function of the locking rod 45, the locking rod 45 is made of stainless steel, the pushing cap 21-1 is made of plastic material with high friction, such as rubber material, and the diameter of the locking rod 45 is equal to that of the positioning hole 21-11, so that the locking rod 45 cannot slide out of the positioning hole 21-11 under the action of no external force after being locked in the positioning hole 21-11.

The lower end of the cap body 2 is also uniformly provided with anti-slip patterns 24 along the circumferential direction of the outer wall thereof so as to facilitate the mounting of the cap on the pipe body 1.

Example two

The present embodiment differs from the embodiment only in the structure of the tube body 1 in the present embodiment.

Specifically, as shown in fig. 6 to 7, a baffle is provided at the upper end of the pipe body 1, an inlet 11-1 is provided on the baffle, an abutment post 12 is provided on one side of the inlet 11-1, and one end of the abutment post 12 abuts against the inner wall of the pipe body 1.

The inlet 11-1 is eccentrically disposed with respect to the placement port 20, i.e., the axis on the vertical plane in which the center of the inlet 11-1 is located is not coincident with the axis on the vertical plane in which the center of the placement port 20 is located, so that the cotton swab better protrudes into the tube body 1 and simultaneously acts on the abutment post 12.

The cotton swab for sampling stretches into from the placing opening 20 and further stretches into the introducing opening 11-1, then the cotton swab is inclined so that the end part of the cotton swab is abutted on the baffle, the middle part of the cotton swab is abutted on the abutting column 12, and at the moment, the outer end part of the cotton swab is also abutted on the placing opening 20, the cotton swab is broken downwards, the cotton swab is broken and falls into the pipe body 1, the arrangement of the baffle can prevent the micro particles attached to the cotton swab in the breaking process from splashing, and the safety risk of sampling personnel is reduced.

One side surface of the abutting column 12 near the introducing port 11-1 can be provided with an inward concave arc surface so as to ensure that one action point of the cotton swab falls on the abutting column 12, and the abutting column 12 abuts on the pipe body 1, so that the strength of the abutting column 12 can be improved.

Working principle: when the cotton swab sampling device is used, firstly, the cap 3 is taken down from the cap body 2, at the moment, the sliding cover 21 is in a closed state, after one sampling is finished, the sliding cover 21 is opened by pushing the cap 21-1 on the sliding cover 21, a cotton swab after one sampling is finished is stretched into the tube body 1 from the placement opening 20 on the cap body 2 or further stretched into the introduction opening 11-1, then the cotton swab is barely broken, and then the sliding cover 21-1 is driven in a reverse direction to completely seal the placement opening 20, so that the cotton swab is sampled for the second time; repeating the steps; when the sampling is finished, driving the pushing cap 21-1 in the reverse direction again to completely block the sliding cover 21, pushing the second limiting ball 44 to enable the clamping rod 45 fixed on the second limiting ball to be clamped in the positioning hole 21-11 on the pushing cap 21-1, and finally connecting the cap 3 on the cover body 2 in a threaded manner for transferring; the nucleic acid sampling test tube designed by the application is more labor-saving, convenient and fast to open, low in production cost, good in practicality, and tightness and safety are both considered.

Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.

Claims

1. The nucleic acid sampling test tube comprises a tube body (1) and a cover body, wherein the cover body is in threaded connection with the opening end of the tube body (1); the novel cover is characterized in that the cover body comprises a cover body (2) and a cover cap (3), wherein one end of the cover body (2) is provided with an open tubular structure, the other end of the cover body (2) is provided with a placing opening (20), and a sliding cover (21) for completely blocking the placing opening (20) is arranged in a sliding manner; the cap (3) is movably mounted on the cap body (2) through a connecting piece, and the cap (3) is detachably fixed at the end of the cap body (2) where the placement opening (20) is located.

2. The nucleic acid sampling test tube according to claim 1, wherein a limit post is disposed inside the end portion of the cover body (2) where the placement port (20) is located, the limit posts are a first limit post (46) and a second limit post (47), the first limit post (46) and the second limit post (47) are disposed at two ends of the placement port (20), and the slide cover (21) is respectively abutted to the first limit post (46) and the second limit post (47) so as to completely open or completely seal the placement port (20).

3. The nucleic acid sampling test tube according to claim 2, wherein the sliding cover (21) is slidably mounted on the cover body (2), the area of the sliding cover (21) is larger than the area of the placement opening (20), a closed sealing ring is arranged between the sliding cover (21) and the cover body (2), one end of the sealing ring is fixed on the sliding cover (21), and the other end of the sealing ring is abutted on the cover body (2).

4. A nucleic acid sampling test tube according to claim 3, characterized in that a push cap (21-1) is fixed to the slide cover (21), and the push cap (21-1) is fixed to the middle of the slide cover (21).

5. The nucleic acid sampling test tube according to claim 4, wherein the cover body (2) is further provided with a locking member (4), the locking member comprises a clamping rod (45) slidably mounted on the cover body (2), the pushing cap (21-1) is provided with a positioning hole (21-11), and the clamping rod (45) is clamped in the positioning hole (21-11) to fix the sliding cover (21) on the cover body (2).

6. The nucleic acid sampling test tube according to claim 5, wherein the locking member (4) further comprises a first mounting block (41) and a second mounting block (42), the clamping rod (45) is arranged on the first mounting block (41) and the second mounting block (42) in a penetrating manner, two limiting balls, namely a first limiting ball (43) and a second limiting ball (44), are fixed on the clamping rod (45), the first limiting ball (43) is arranged at the end part, far away from the pushing cap (21-1), of the clamping rod (45), and the second limiting ball (44) is arranged between the first mounting block (41) and the second mounting block (42).

7. The nucleic acid sampling test tube according to claim 6, wherein a first limiting plate (22) and a second limiting plate (23) which are arranged in parallel are further arranged on the outer wall of the cover body (2), the connecting piece is arranged between the first limiting plate (22) and the second limiting plate (23), the connecting piece comprises a connecting ring (32) sleeved between the first limiting plate (22) and the second limiting plate (23), the connecting ring (32) is externally connected with a connecting piece (31), and the connecting piece (31) is externally connected with the cap (3).

8. The nucleic acid sampling test tube according to claim 7, wherein a threaded portion (30) is provided at one end of the cap (3) near the cap body (2), and when the cap (3) is screwed onto the cap body (2) through the threaded portion (30), the bottom of the cap (3) abuts against the first limiting plate (22), and a receiving cavity for receiving the push cap (21-1) and the locking member (4) is formed between the cap (3) and the cap body (2).

9. The nucleic acid sampling tube according to claim 8, wherein anti-slip patterns (24) are further uniformly distributed on the outer wall of the lower end of the cover body (2) along the circumferential direction thereof.

10. The nucleic acid sampling test tube according to any one of claims 1 to 9, wherein a baffle with an inlet (11-1) is provided at the upper end of the tube body (1), an abutment post (12) is provided at one side of the baffle, the abutment post (12) abuts against the inner wall of the tube body (1), the side of the abutment post (12) adjacent to the inlet (11-1) is an inward concave arc surface, and the inlet (11-1) and the placement port (20) are eccentrically provided.