CN111471581A

CN111471581A - Take virus sampling pipe of safety knot

Info

Publication number: CN111471581A
Application number: CN202010282409.2A
Authority: CN
Inventors: 施慧勇; 季岩福
Original assignee: ZHEJIANG GONGDONG MEDICAL TECHNOLOGY CO LTD
Current assignee: ZHEJIANG GONGDONG MEDICAL TECHNOLOGY CO LTD
Priority date: 2020-04-12
Filing date: 2020-04-12
Publication date: 2020-07-31

Abstract

The invention adopts the technical scheme that the virus sampling tube with the safety buckle comprises a tube body and a tube cover which are connected through threads, wherein an elastic sealing ring is arranged in the tube cover, the top of the tube body is extruded on the elastic sealing ring to realize sealing when the tube cover is screwed onto the tube body, a clamping block is arranged on the inner side surface of the tube cover, a limiting part and a shifting sheet are arranged on the outer side surface of the tube body, the limiting part is positioned on two sides of the shifting sheet, a groove gap is reserved between the limiting part and the shifting sheet, the outer diameter of the shifting sheet is larger than that of the limiting part, the inner diameter of the clamping block on the tube cover is larger than that of the limiting part and smaller than that of the shifting sheet, the clamping block pushes the shifting sheet to deform and incline to the limiting part in the screwing process of the tube cover, and the clamping block passes through the shifting sheet. The invention can generate prompt sound when the pipe cover is screwed down, and ensure that a user knows the screwing state of the pipe cover.

Description

Take virus sampling pipe of safety knot

Technical Field

The invention relates to a medical instrument, in particular to a virus sampling tube with a safety buckle.

Background

A virus sampling tube is a complete set of centrifugal tubes for sampling and conveying viruses such as influenza virus, hand-foot-and-mouth virus and the like in a microorganism sampling and conveying tube, is also called a specimen conveying tube, and is a commercialized product. It is mainly used for monitoring and sampling infectious pathogenic microorganisms by disease control departments and clinical departments. The kit is suitable for sampling influenza viruses (common influenza, highly pathogenic avian influenza, influenza A H1N1 virus and the like), hand-foot-and-mouth viruses and other types of viruses. And is also used for sampling mycoplasma, chlamydia, ureaplasma and the like. It is used for transporting nasopharyngeal swab specimens or tissue specimens of specific parts from a sampling site to a detection laboratory to be subjected to PCR extraction and detection. And also for preserving nasopharyngeal swab specimens or tissue specimens of specific sites to be subjected to the necessary cell culture. The sealing property is very important because it is required to ensure the safety during transportation and storage so as to maintain the effectiveness of the sample. In the prior virus sampling tube, when an operator screws a tube cover in the using process, the operator cannot determine whether the tube cover is screwed, the operator usually chooses to screw the tube cover with force, and in the occasions of using a large amount of virus sampling tubes every day, such as hospitals, medical staff usually repeatedly screw the tube cover for several times to ensure the screwing and sealing of the tube cover, so that the work of screwing the tube cover becomes complicated, and therefore, the virus sampling tube which can give out prompt tone when being screwed is urgently needed.

Disclosure of Invention

In view of the above problems, the present invention aims to provide a virus sampling tube with a safety buckle, which has a novel structure and a good sealing effect, and can send out a prompt sound when a tube cap is screwed, so that a user can quickly confirm the screwing of the tube cap, the work efficiency of the user is improved, and the sealing performance is ensured.

The invention adopts the technical scheme that the virus sampling tube with the safety buckle comprises a tube body and a tube cover which are connected through threads, wherein an elastic sealing ring is arranged in the tube cover, the top of the tube body is extruded on the elastic sealing ring to realize sealing when the tube cover is screwed onto the tube body, a clamping block is arranged on the inner side surface of the tube cover, a limiting part and a shifting sheet are arranged on the outer side surface of the tube body, the limiting part is positioned on two sides of the shifting sheet, a groove gap is reserved between the limiting part and the shifting sheet, the outer diameter of the shifting sheet is larger than that of the limiting part, the inner diameter of the clamping block on the tube cover is larger than that of the limiting part and smaller than that of the shifting sheet, the clamping block pushes the shifting sheet to deform and incline to the limiting part in the screwing process of the tube cover, and the clamping block passes through the shifting sheet.

Preferably, the clamping block is located below the inner thread of the pipe cover, and the limiting portion and the shifting piece are located below the outer thread of the pipe body.

Preferably, tube cap medial surface top center is provided with the sampling swab hole, the downthehole screens shell fragment that is provided with of sampling swab, the quantity of screens shell fragment is a plurality of and slope arranges, sample swab rear end makes screens shell fragment front end deformation fix the sampling swab after inserting between the screens shell fragment.

Preferably, the number of the clamping elastic pieces is 3-6, the clamping elastic pieces are obliquely arranged at equal angles along the circumferential direction of the sampling swab hole, the rear ends of the clamping elastic pieces are connected to the side wall of the sampling swab hole, the front ends of the clamping elastic pieces are inclined at an angle in the radial direction and extend inwards, and two adjacent clamping elastic pieces are not in contact with each other in a normal state.

Preferably, body inside wall upper end mouth of pipe department is provided with the bevel connection, be provided with outside convex arc screens portion with body inside wall upper end bevel connection department on the tube cap, when the tube cap was screwed up with the body, body top surface extrusion elastic seal deformation realized sealedly, and the pipe wall department that lies in the bevel connection below on the body simultaneously realizes sealedly with arc screens portion extrusion deformation.

Preferably, the threads on the pipe body and the pipe cover are double-start threads.

Preferably, the outer surface of the lower part of the pipe body is provided with a circumferential positioning groove.

Preferably, the angle of the shifting sheet which rotates when the shifting sheet is pushed and folded from the initial position through the clamping block and leans against the limiting part is between 15 degrees and 30 degrees.

Preferably, the number of the clamping blocks is two, and the two clamping blocks are separated by 180 degrees; the number of the shifting pieces is two, the two shifting pieces are separated by 180 degrees, and the shifting pieces correspond to the clamping blocks one to one.

The invention can generate prompt sound when the tube cover is screwed down, ensures that a user knows the screwing state of the tube cover, and adopts a double-sealing structure with an elastic sealing ring and an arc clamping part in interference fit, so that the sealing effect is further enhanced, and meanwhile, the clamping elastic sheet can clamp sampling swabs with different outer diameters within a certain size range.

Drawings

FIG. 1 is a schematic view of the tube cover of the present invention in an open configuration;

FIG. 2 is an assembly view of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is an exploded view of FIG. 2;

FIG. 5 is a front view of the cap of the present invention;

FIG. 6 is a bottom view of FIG. 5;

FIG. 7 is a front view of the tube of the present invention;

FIG. 8 is a top view of FIG. 7;

FIG. 9 is a bottom view of FIG. 7;

wherein: 1, a pipe body; 2-a tube cover; 3, an elastic sealing ring; 4, clamping blocks; 5, a limiting part; 6, a shifting piece; 7-sampling swab holes; 8-a clamping spring plate; 9-bevel connection; 10-arc clamping part; 11-circumferential positioning groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 to 9, the invention provides a virus sampling tube with a safety buckle, which comprises a tube body 1 and a tube cover 2 connected by a thread, wherein an elastic sealing ring 3 is arranged in the tube cover 2, the top of the tube body 1 is pressed on the elastic sealing ring 3 to realize sealing when the tube cover 2 is screwed on the tube body 1, a clamping block 4 is arranged on the inner side surface of the tube cover 2, the clamping block 4 is positioned below the internal thread of the tube cover 2, a limiting part 5 and a shifting sheet 6 are arranged on the outer side surface of the tube body 1, the limiting part 5 and the shifting sheet 6 are positioned below the external thread of the tube body 1, the limiting part 5 is positioned on both sides of the shifting sheet 6, a groove gap is reserved between the limiting part 5 and the shifting sheet 6, the external diameter of the shifting sheet 6 is larger than the external diameter of the limiting part 5, the internal diameter of the clamping block 4 on the tube cover 2 is larger than the external diameter of the limiting part 5 and smaller than the external diameter of the shifting, when 1 top extrusion elasticity sealing washer 3 of body, the plectrum 6 has been crossed by fixture block 4 by both separation sound prompt tube cap 2 has been screwed up, screw up the back because the plectrum 6 has been crossed by fixture block 4, plectrum 6 can kick-back to initial position, at the in-process of unscrewing tube cap 2, plectrum 6 can be reversely crossed by fixture block 4 with the reason, plectrum 6 can be deformed and contact 5 departments of spacing portion and supply fixture block 4 to cross, wherein the effect that spacing portion 5 played prevents that plectrum 6 from rolling over when rolling over because the angle is too big and damaging.

Preferably, the hole 7 is wiped away in 2 medial surface top centers of tube cap being provided with the sampling, the sampling is wiped away and is provided with screens shell fragment 8 in the hole 7, the quantity of screens shell fragment 8 is a plurality of and slope and arranges, make the deformation of 8 front ends of screens shell fragment to fix the sampling swab behind the sampling swab rear end inserted between the screens shell fragment 8, and is specific, the quantity of screens shell fragment 8 is 3-6, wherein what adopt in figure 6 is the structure of 5 screens shell fragments, and 7 circumferencial directions equal angles slope in the hole are wiped away in every sampling to every screens shell fragment 8, on 8 rear ends of screens shell fragment are connected to the sampling and are wiped away on the 7 lateral walls of sub-hole, the front end inwards extends with an angle of radial slope, and two adjacent screens shell fragment 8 noncontacts under the normality. When the rear end of the sampling swab is inserted, the clamping spring 8 can deform and clamp, so that the rear end of the sampling swab with the diameter of 2.3-2.6mm can be clamped and applied.

Preferably, the mouth of pipe department is provided with bevel connection 9 on 1 inside wall of body, the department of contact with 1 inside wall of body upper end bevel connection 9 on the tube cap 2 is provided with outside convex arc screens portion 10, when the tube cap 2 was screwed up with

body

1, 3 deformations realization of 1 top surface extrusion elastic seal circle of body were sealed, and the pipe wall department that lies in bevel connection 9 below on the body 1 simultaneously realizes sealedly with arc screens portion 10 extrusion deformation, and the setting of bevel connection 9 plays an effect to the direction of arc screens portion 10.

Preferably, the threads on the pipe body 1 and the pipe cover 2 are double-thread threads, so that the pipe body and the pipe cover can be screwed fast.

Preferably, circumference constant head tank 11 has been seted up to body 1 lower part surface for body 1 of virus sampling pipe can be fixed and detect on corresponding instrument, realizes the fixed function of circumference in the testing process.

Preferably, when the shifting piece 6 is pushed from the initial position to be turned over through the fixture block 4 and then leans against the limiting part 5, the turning angle is 15 degrees to 30 degrees, wherein about 15 degrees can be specifically selected, because the turning angle is too large, the shifting piece 6 is easily broken, and the turning angle is too small, the fixture block 4 is not easily allowed to pass through smoothly to generate a prompt sound.

Preferably, the number of the fixture blocks 4 is two, and the two fixture blocks 4 are separated by 180 degrees; the number of the shifting pieces 6 is two, the two shifting pieces 6 are separated by 180 degrees, and the shifting pieces 6 correspond to the fixture blocks 4 one by one.

In the use process of the invention, a corresponding sampling swab is selected to be inserted into a sampling swab hole 7 on a tube cover 2 and fixed through a clamping elastic sheet 8, the tube cover 2 is held by hand to sample through the sampling swab, the tube cover 2 is screwed on a tube body 1 after sampling, and when the tube cover is screwed to the bottom, a click prompt sound is heard, the screwing is in place, and the tube cover is not required to be carefully checked, so that the tube cover is very suitable for occasions with large sampling workload, such as hospitals and the like.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any simple modification, equivalent change or modification made to the above embodiments according to the technical principle of the present invention still falls within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a take virus sampling pipe of safe knot, includes body (1) and tube cap (2) through threaded connection, be provided with elasticity sealing washer (3) in tube cap (2), tube cap (2) are screwed up when going up to body (1) top extrusion and are realized sealing its characterized in that on elasticity sealing washer (3): pipe cap (2) medial surface is provided with fixture block (4), body (1) lateral surface is provided with spacing portion (5) and plectrum (6), spacing portion (5) be located plectrum (6) both sides and with plectrum (6) between leave the groove gap, plectrum (6) department external diameter is greater than spacing portion (5) department external diameter, fixture block (4) department internal diameter on pipe cap (2) is greater than spacing portion (5) department external diameter and is less than plectrum (6) department external diameter, screws up in-process fixture block (4) at pipe cap (2) and promotes plectrum (6) deformation slope to spacing portion (5) department, and fixture block (4) are crossed plectrum (6) when body (1) top extrusion elastic seal circle (3) and are sent sound suggestion pipe cap (2) by both separation and have been screwed up.

2. The virus sampling tube with the safety buckle as claimed in claim 1, wherein: the clamping block (4) is located below the inner thread of the pipe cover (2), and the limiting portion (5) and the shifting piece (6) are located below the outer thread of the pipe body (1).

3. The virus sampling tube with the safety buckle as claimed in claim 1, wherein: pipe cap (2) medial surface top center is provided with the sampling and wipes away sub-hole (7), the sampling is wiped away and is provided with screens shell fragment (8) in sub-hole (7), the quantity of screens shell fragment (8) is a plurality of and the slope arranges, sample swab rear end makes screens shell fragment (8) front end deformation fix the sampling swab after inserting between screens shell fragment (8).

4. A virus sampling tube with a safety buckle according to claim 3, wherein: the number of the clamping elastic pieces (8) is 3-6, the clamping elastic pieces are obliquely arranged at equal angles along the circumferential direction of the sampling swab hole (7), the rear end of each clamping elastic piece (8) is connected to the side wall of the sampling swab hole (7), the front end of each clamping elastic piece and the radial direction of each clamping elastic piece are inclined by an angle and extend inwards, and the two adjacent clamping elastic pieces (8) are not in contact with each other in a normal state.

5. The virus sampling tube with the safety buckle as claimed in claim 1, wherein: body (1) inside wall upper end mouth of pipe department is provided with bevel connection (9), be provided with outside convex arc screens portion (10) with body (1) inside wall upper end bevel connection (9) contact department on tube cap (2), when tube cap (2) are screwed up with body (1), body (1) top surface extrusion elastic seal circle (3) deformation realizes sealedly, and the pipe wall department that lies in bevel connection (9) below on body (1) simultaneously realizes sealedly with arc screens portion (10) extrusion deformation.

6. The virus sampling tube with the safety buckle as claimed in claim 1, wherein: the threads on the pipe body (1) and the pipe cover (2) are double-thread threads.

7. The virus sampling tube with the safety buckle as claimed in claim 1, wherein: the outer surface of the lower part of the pipe body (1) is provided with a circumferential positioning groove (11).

8. The virus sampling tube with the safety buckle as claimed in claim 1, wherein: the angle of the turning of the plectrum (6) is between 15 degrees and 30 degrees when the plectrum is pushed to turn over from the initial position through the clamping block (4) and then leans against the limiting part (5).

9. The virus sampling tube with the safety buckle as claimed in claim 1, wherein: the number of the clamping blocks (4) is two, and the two clamping blocks (4) are separated by 180 degrees; the number of the poking sheets (6) is two, the two poking sheets (6) are separated by 180 degrees, and the poking sheets (6) are in one-to-one correspondence with the clamping blocks (4).