CN215312462U

CN215312462U - Sampling test tube with cutting mechanism

Info

Publication number: CN215312462U
Application number: CN202121452252.XU
Authority: CN
Inventors: 蒋琳; 李欣妍; 廖祯; 李玲
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-28
Filing date: 2021-06-28
Publication date: 2021-12-28
Anticipated expiration: 2031-06-28

Abstract

The utility model discloses a sampling test tube with a cutting mechanism, which comprises a test tube body, a test tube cap, a test tube cover and the cutting mechanism, wherein the test tube cap is arranged at the open end of the test tube body and is provided with a through hole; the test tube cover can be detachably arranged on the through hole to seal the through hole; the cutting mechanism comprises two cutting units, the two cutting units are arranged in the test tube cap, each cutting unit comprises a blade, a cutting rod and a spring, one end of each spring is fixed on the inner wall of the test tube cap, and the other end of each spring is directly or indirectly in pressure contact with the blade. Pass the through-hole on the test tube cap with the one end of sample thief and arrange test tube body and test tube cap in, the spring orders about blade relative motion, can cut the sample thief or leave the breach so that the rupture on the sample thief, when mixing the sampling, can reduce the remaining brush holder length that gets into in the test tube body, ensures that a test tube physical stamina holds many samples. The utility model has simple operation, wide application range and high practicability.

Description

Sampling test tube with cutting mechanism

Technical Field

The utility model belongs to the technical field of medical instruments, and particularly relates to a sampling test tube with a cutting mechanism.

Background

Along with the spread of new coronary pneumonia, the most common means for detecting novel coronavirus is nucleic acid detection based on nose and throat swabs, during detection, an operator collects a sample on the rear pharyngeal wall of a detected person by a disposable sampler, the brush head is placed into a sample tube filled with preservation solution after the sample is collected, then the redundant brush handle is broken at the position of a tube opening, and the brush head is left in the sample tube. In practical operation, due to certain toughness of the brush handle, the brush handle can be broken only by repeatedly folding the sampler at the pipe orifice, and particularly, when large-scale screening is carried out, a large number of detected persons are needed, and the time is wasted because the brush handle can be broken only by repeatedly folding the sampler, so that the sample collection efficiency is influenced. Especially, in large-scale nucleic acid detection, when a plurality of samples are mixed and collected, the residual brush handle is too long, and the quantity of the samples stored in the sample tube is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a sampling test tube with a cutting mechanism, which can cut off a sampler through the cutting mechanism or cause a notch on the sampler so as to be convenient to break, and has the advantages of simple operation, wide application range and high applicability.

According to a first aspect of the present invention, there is provided a sampling tube with a cutting mechanism, comprising:

testing the tube body;

the test tube cap is arranged at the open end of the test tube body and is provided with a through hole;

a test tube cover detachably mounted on the through hole to seal the through hole;

the cutting mechanism comprises two cutting units, the two cutting units are oppositely arranged in the test tube cap along the straight line direction, each cutting unit comprises a blade, a cutting rod connected with the blade and a spring sleeved on the cutting rod, one end of the spring is fixed on the inner wall of the test tube cap, the other end of the spring is directly or indirectly in pressure contact with the blade, and the knife edges of the blades in the cutting units are oppositely arranged.

In a specific embodiment of the utility model, the cutting unit comprises a limiting sleeve fixed in the test tube cap, the inner wall of the limiting sleeve is provided with a latch, the cutting rod is provided with a limiting block which can be limited by the latch, and the spring is arranged between the limiting block and the test tube cap.

In a specific embodiment of the present invention, one end of the cutting rod penetrates out of the side wall of the test tube cap.

In a particular embodiment of the utility model, the latch has a ramp for guiding.

In a specific embodiment of the utility model, two cutting rods are respectively connected with an opening rod, the two opening rods are connected with a driving rod, and one end of the driving rod penetrates out of the side wall of the test tube cap.

In a specific embodiment of the utility model, the joint of the opening rod and the cutting rod is positioned between the blade and the limiting block.

In a particular embodiment of the utility model, the test tube cap is screwed onto the test tube body.

One of the above technical solutions of the present invention has at least one of the following advantages or beneficial effects: according to the utility model, the cutting mechanism is arranged on the test tube cap, one end of the sampler is arranged in the test tube body and the test tube cap after penetrating through the through hole on the test tube cap, the spring drives the blade to move relatively, the sampler can be cut off or a notch is reserved on the sampler so as to be broken, the length of the residual brush holder entering the test tube body can be reduced during mixed sampling, and a plurality of samples can be contained in one test tube. The sampler is also provided with a driving rod and an opening rod, when the sampler is used, the driving rod is pressed first, the two blades are separated through the opening rod, after sampling, one end of the sampler is placed between the two blades, and the sampler can be cut off or a notch is reserved on the sampler for breaking by pressing the cutting rod. The utility model has simple operation, wide application range and high practicability.

Drawings

The utility model is further described below with reference to the accompanying drawings and examples;

FIG. 1 is a schematic view of the setup of a cutting mechanism in one embodiment of the present invention;

fig. 2 is a schematic structural diagram of an embodiment of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more features.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the term "connected" is to be interpreted broadly, and may be, for example, a fixed connection or a movable connection, a detachable connection or a non-detachable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other elements or indirectly connected through one or more other elements or in an interactive relationship between two elements.

The following disclosure provides many different embodiments, or examples, for implementing different aspects of the utility model.

Referring to fig. 1 to 2, a sampling test tube with a cutting mechanism includes a test tube body 30, a test tube cap 10, a test tube cover 20 and a cutting mechanism 40, wherein the test tube body 30 is made of transparent plastic material, the test tube cap 10 is connected to an open end of the test tube body 30 by a screw thread, and the test tube cap 10 has a through hole; the test tube cover 20 can be detachably mounted on the through hole to seal the through hole, so that the collected sample is prevented from falling out of the test tube body 30; the cutting mechanism 40 comprises two cutting units which are oppositely arranged in the test tube cap 10 along the linear direction, each cutting unit comprises a blade 41, a cutting rod 42 connected with the blade 41 and a spring 45 sleeved on the cutting rod 42, the blade 41 is made of hard material, such as stainless steel or ceramics, one end of the spring 45 is fixed on the inner wall of the test tube cap 10, the other end of the spring 45 is directly or indirectly pressed and contacted with the blade 41, the knife edges of the blades 41 in the two cutting units are oppositely arranged, one end of the sampler is arranged in the test tube body 30 and the test tube cap 10 after passing through the through hole on the test tube cap 10, the spring 45 drives the two blades 41 to move relatively, the sampler can be cut off or a notch is left on the sampler so as to be broken off, when mixed sampling is carried out, the length of the residual brush holder entering the test tube body 30 can be reduced, and a plurality of samples can be contained in one test tube body 30.

Of course, in order to avoid the situation that the sample in each test tube body is mixed with other samples, each test tube is installed in the corresponding sealing bag after being sampled.

In an embodiment of the utility model, when the spring 45 is not limited in the position-limiting sleeve, one end of the cutting rod 42 penetrates out of the side wall of the test tube cap 10, so that the cutting rod 42 is extended outwards to make the two blades 41 far away, so that when the test tube is released, the two blades 41 impact and cut off the sampler or cause a gap under the action of the elastic force of the spring 45.

In an embodiment of the utility model, the cutting unit comprises a limiting sleeve 44 fixed in the test tube cap 10, the inner wall of the limiting sleeve 44 is provided with a latch 46, the cutting rod 42 is provided with a limiting block 43 which can be limited by the latch 46, the spring 45 is arranged between the limiting block 43 and the test tube cap 10, the limiting block 43 is pressed to enable the limiting block 43 to be limited on the limiting sleeve 44 by the latch 46, one end of the cutting rod 42 protrudes out of the test tube cap 10, after sampling, one end of the sampler is placed between the two blades 41, the cutting rod 42 is pressed, the limiting block 43 is separated from the limiting sleeve 44, the two blades 41 move towards the sampler under the elastic force of the spring 45 and impact the sampler, and the sampler is cut off or a notch is left on the sampler to be broken. It should be noted that the latch 46 can prevent the cutter bar 42 from being drawn out of the stop collar 44 without external force.

In one embodiment of the present invention, the latch 46 has a slope 47 for guiding, so that the stopper 43 can be disengaged from the latch 46 along the slope when the cutting bar 42 is pressed.

In one embodiment of the present invention, two of the cutting rods 42 are respectively connected to an opening rod 48, two opening rods 48 are connected to a driving rod 49, the driving rod 49 and the opening rod 48 are in a herringbone shape, and one end of the driving rod 49 penetrates through the side wall of the test tube cap 10. When the sampler is used, the driving rod 49 is pressed firstly, the two blades 41 are separated through the opening rod 48, the limiting block 43 moves along with the blades 41, the limiting block 43 is limited on the limiting sleeve 44 through the latch 46, after sampling, the sampler is placed between the two blades 41, the cutting rod 42 is pressed, the limiting block 43 is separated from the limiting sleeve 44, the two blades 41 move towards the sampler under the elastic force of the spring 45 and impact the sampler, and the sampler is cut off or a notch is reserved on the sampler so as to be broken.

In one embodiment of the present invention, the connection between the opening lever 48 and the cutting lever 42 is located between the blade 41 and the stop block 43, so that the opening lever 48 drives the cutting lever 42 to move and drives the stop block 43 to be limited in the stop sleeve 44.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. A sampling tube with a cutting mechanism, comprising:

testing the tube body;

the cutting mechanism comprises two cutting units, wherein the two cutting units are arranged in the test tube cap along the straight line direction relatively, each cutting unit comprises a blade, a cutting rod connected with the blade, and a sleeve arranged on the cutting rod and a limiting sleeve fixed in the test tube cap, the inner wall of the limiting sleeve is provided with a latch, the cutting rod is provided with a limiting block capable of being limited by the latch, one end of the spring is fixed on the inner wall of the test tube cap, the other end of the spring is fixed on the limiting block, and the two cutting edges of the blade in the cutting units are arranged relatively to press the limiting block, so that the limiting block is limited by the latch in the limiting sleeve.

2. The sampling tube with cutter mechanism of claim 1, wherein one end of the cutter bar passes through the side wall of the tube cap.

3. The sampling tube with cutter mechanism of claim 1, wherein the latch has a ramp for guiding.

4. The sampling test tube with the cutting mechanism according to any one of claims 1 to 3, wherein two cutting rods are respectively connected with an opening rod, the two opening rods are connected with a driving rod, and one end of the driving rod penetrates out of the side wall of the test tube cap.

5. The sampling tube with cutter mechanism of claim 4, wherein the connection of the opening rod and the cutter rod is between the blade and the stopper.

6. The sampling tube with cutting mechanism of claim 1, wherein the tube cap is threaded onto the tube body.