CN210481388U

CN210481388U - Sampling tube is wiped away with cotton to food detection

Info

Publication number: CN210481388U
Application number: CN201921475460.4U
Authority: CN
Inventors: 门剑中; 门剑南; 毛力军; 夏野; 刘宏彬; 董伟亮
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-05
Filing date: 2019-09-05
Publication date: 2020-05-08
Anticipated expiration: 2029-09-05

Abstract

A cotton wiping sampling tube for food detection relates to a sampling tube. The utility model discloses a solve the problem that the sampling method was easily caused the sample pollution to current cotton wiping. The sampling tube consists of a tube body, a tube cap, a rubber piston, sampling cotton and water storage cotton; the pipe body is a transparent pipe, a pipe cap is arranged at the open end, a plurality of parallel raised lines are arranged on the inner wall of the pipe body, a rubber piston is arranged between the raised lines and the open end of the pipe body, sampling cotton is arranged on the side, close to the open end of the pipe body, of the rubber piston, one end of a connecting rod penetrates through a circular through hole in a bottom cover of the pipe body and extends into the pipe body and is fixedly connected with the center of the rubber piston, and water storage cotton is filled around the connecting rod, close to the side of the bottom. The utility model discloses the sampling tube is wiped away to cotton possesses the save function of sample and sample simultaneously, the production that can artificial sample pollutes to the sampling process is simple swift. The utility model is suitable for a food detection.

Description

Sampling tube is wiped away with cotton to food detection

Technical Field

The utility model relates to a sampling tube.

Background

In the food detection process, the food microorganism inspection sampling comprises liquid sample sampling and solid sample sampling, wherein the treatment scheme of the solid sample comprises a mashing and homogenizing method, a shearing and shaking method, a grinding method, a beating and homogenizing method, a cotton swab sampling method and the like, and compared with other solid sampling methods, the cotton swab sampling method is simple in operation and high in efficiency, so that the method is widely applied. The general procedure for the existing swab sampling method: placing a sterilized specification board with the inner diameter of 5cm multiplied by 5cm on the surface of an object to be detected, repeatedly smearing and sampling the surface of the object to be detected in the sterilized specification board by using a cotton swab soaked with sterilized normal saline, finally shearing off the cotton swab at the contact part, and placing the sheared cotton swab into a tube containing 10mL of sterilized normal saline for detection.

The problems of the existing swab sampling method are as follows: the cotton swab needs to be held by hand in the taking and cutting processes, so that artificial sample pollution is easily caused, further, errors are generated in detection results, and the existing cotton swab sampling method has a sample transfer process and is complex in operation.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve present cotton and wipe out the problem that the sampling method easily caused sample pollution, provide a sampling tube is wiped away with cotton to food detection.

The cotton swab sampling tube for food detection of the utility model consists of a tube body, a tube cap, a rubber piston, sampling cotton and water storage cotton;

the tube body is a transparent tube, one end of the tube body is open, and the other end of the tube body is provided with a bottom cover; the open end of the pipe body is provided with a pipe cap, and the open end of the pipe body is connected with the pipe cap through threads; the inner wall of the tube body is provided with a plurality of convex strips which are parallel to each other, the convex strips are arranged along the length direction of the tube body, the rubber piston is arranged between the convex strips and the open end of the tube body, the outer wall of the rubber piston is tightly attached to the inner wall of the tube body, sampling cotton is arranged on the side, close to the open end of the tube body, of the rubber piston, the connecting rod is a circular rod, a circular through hole is formed in the bottom cover of the tube body, one end of the connecting rod penetrates through the circular through hole in the bottom cover of the tube body and extends into the tube body and is fixedly connected with; the periphery of the connecting rod close to the bottom cover side in the pipe body is filled with water storage cotton.

The utility model discloses possess following beneficial effect:

the using method of the cotton swab sampling tube for food detection comprises the following steps: the cotton swab sampling tube for food detection is used for solid sampling of food microorganism detection; before using, inject the normal saline that disinfects in the water storage cotton to saturation, promote the connecting rod during the sampling to some sample cotton and lean out to the open end of body outside, handheld food detects and wipes away the sample tube and scribbles the sample repeatedly on the examined object surface in the specification board of disinfecting with the cotton, cover the pipe cap and screw after the sample is accomplished, then pull out the connecting rod, rubber piston moves and produces the extrusion to the water storage cotton to the bottom cap side thereupon, the normal saline that disinfects in the water storage cotton flows out, because rubber piston is softer, rubber piston and the inner wall of body produce the clearance under the support of the sand grip of the inner wall of body, the normal saline that disinfects that the water storage cotton flows out flows to the pipe cap and submerges the sample cotton, impel rubber piston to between sand grip and the open end of body at last and seal the space that normal saline that disinfects and sample cotton, accomplish the sample.

The utility model discloses the sampling tube is wiped away to cotton possesses the save function of sample and sample simultaneously, and operating personnel's hand contactless sample cotton in the sample process, and the sample cotton is in the pipe all the time, does not have the transfer process of sample, has avoided artificial sample pollution's production to the sample process is simple swift.

Drawings

FIG. 1 is a schematic view of a swab coupon according to an embodiment;

FIG. 2 is a schematic view of the sterilized saline in the water storage cotton 8 after flowing out;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

fig. 4 is a schematic diagram of the rubber piston 4 pushed to the space between the convex strip 6 and the open end of the tube body 1 to seal the space where the sterilized saline and the sampling cotton 7 are located.

The specific implementation mode is as follows:

the technical scheme of the utility model is not limited to the specific implementation modes listed below, and also comprises any reasonable combination between the specific implementation modes.

The first embodiment is as follows: the present embodiment is described with reference to fig. 1 to 4, and the cotton swab sampling tube for food detection of the present embodiment is composed of a tube body 1, a tube cap 2, a rubber piston 4, sampling cotton 7 and water storage cotton 8;

one end of the tube body 1 is open, and the other end of the tube body 1 is provided with a bottom cover; the open end of the pipe body 1 is provided with a pipe cap 2, and the open end of the pipe body 1 is connected with the pipe cap 2 through threads; the inner wall of the tube body 1 is provided with a plurality of convex strips 6 which are parallel to each other, the convex strips 6 are arranged along the length direction of the tube body 1, the rubber piston 4 is arranged between the convex strips 6 and the open end of the tube body 1, the outer wall of the rubber piston 4 is tightly attached to the inner wall of the tube body 1, the rubber piston 4 is provided with sampling cotton 7 close to the open side of the tube body 1, the connecting rod 3 is a circular rod, the bottom cover of the tube body 1 is provided with a circular through hole, one end of the connecting rod 3 penetrates through the circular through hole on the bottom cover of the tube body 1 and extends into the tube body 1 and is fixedly connected with the center of the rubber piston 4, and; the periphery of the connecting rod 3 close to the bottom cover side in the pipe body 1 is filled with water storage cotton 8.

The embodiment has the following beneficial effects:

FIG. 1 is a schematic view of a swab coupon according to an embodiment; fig. 2 is a schematic diagram of the sterilized normal saline in the water storage cotton 8 after flowing out, in which the sampling cotton 7 is pulled out from the tube body 1 and soaked in the sterilized normal saline under the flushing of the sterilized normal saline; FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2; fig. 4 is a schematic diagram of the rubber piston 4 when it is pushed to the space between the raised line 6 and the open end of the tube body 1 to seal the space where the sterilized saline and the sampling cotton 7 are located, in fig. 4, the rubber piston 4 divides the tube body 1 into two areas, and the space where the sterilized saline and the sampling cotton 7 are located is used for soaking the sampling cotton 7 in the sterilized saline. The sampling tube is wiped away to this embodiment cotton possesses the save function of sample and sample simultaneously, and operating personnel's hand contactless sample cotton 7 among the sampling process, and sample cotton 7 is in body 1 all the time, does not have the transfer process of sample, has avoided artificial sample pollution's production to the sample process is simple swift.

The second embodiment is as follows: the first difference between the present embodiment and the specific embodiment is: the inner surface of the pipe cap 2 is provided with internal threads, and the outer surface of the open end of the pipe body 1 is provided with external threads matched with the internal threads on the inner surface of the pipe cap 2. Other steps and parameters are the same as in the first embodiment.

The third concrete implementation mode: the present embodiment differs from the first or second embodiment in that: the cross-section of the convex strip 6 is semicircular, and the end part of the convex strip 6, which is close to the opening of the tube body 1, is provided with a slope surface. Other steps and parameters are the same as in the first or second embodiment.

The fourth concrete implementation mode: the difference between this embodiment mode and one of the first to third embodiment modes is: the end part of the connecting rod 3 outside the tube body 1 is vertically and fixedly connected with the middle part of the handle 5. Other steps and parameters are the same as in one of the first to third embodiments.

The fifth concrete implementation mode: the present embodiment is described with reference to fig. 1, and differs from one of the first to fourth embodiments in that: and a sealing ring 9 is arranged in the circular through hole on the bottom cover of the pipe body 1. Other steps and parameters are the same as in one of the first to fourth embodiments. The sealing ring 9 is used to seal the connecting rod 3 and the bottom cover of the tube 1, and can prevent the liquid from flowing out when the connecting rod 3 slides relative to the bottom cover of the tube 1.

Claims

1. The utility model provides a sampling tube is wiped away with cotton to food detection which characterized in that: the cotton swab sampling tube for food detection consists of a tube body (1), a tube cap (2), a rubber piston (4), sampling cotton (7) and water storage cotton (8);

the tube body (1) is a transparent tube, one end of the tube body (1) is open, and the other end of the tube body (1) is provided with a bottom cover; the open end of the pipe body (1) is provided with a pipe cap (2), and the open end of the pipe body (1) is connected with the pipe cap (2) through threads; the inner wall of the pipe body (1) is provided with a plurality of parallel convex strips (6), the convex strips (6) are arranged along the length direction of the pipe body (1), the rubber piston (4) is arranged between the convex strips (6) and the opening end of the pipe body (1), the outer wall of the rubber piston (4) is tightly attached to the inner wall of the pipe body (1), sampling cotton (7) is arranged on the side, close to the opening end of the pipe body (1), of the rubber piston (4), the connecting rod (3) is a circular rod, a circular through hole is formed in the bottom cover of the pipe body (1), one end of the connecting rod (3) penetrates through the circular through hole in the bottom cover of the pipe body (1) and extends into the pipe body (1) and is fixedly connected with the center of the rubber piston (4), and the end part of the connecting rod (3) outside; the periphery of the connecting rod (3) close to the bottom cover side in the pipe body (1) is filled with water storage cotton (8).

2. The swab sampling tube for food detection as set forth in claim 1, wherein: the inner surface of the pipe cap (2) is provided with internal threads, and the outer surface of the open end of the pipe body (1) is provided with external threads matched with the internal threads on the inner surface of the pipe cap (2).

3. The swab sampling tube for food detection as set forth in claim 1, wherein: the cross-section of the convex strip (6) is semicircular, and the end part, close to the opening of the pipe body (1), of the convex strip (6) is provided with a slope surface.

4. The swab sampling tube for food detection as set forth in claim 1, wherein: the end part of the connecting rod (3) outside the tube body (1) is vertically and fixedly connected with the middle part of the handle (5).

5. The swab sampling tube for food detection as set forth in claim 1, wherein: and a sealing ring (9) is arranged in the circular through hole on the bottom cover of the pipe body (1).