Integrated sampling sealing kit

Abstract

This application provides an integrated sampling and sealing kit comprising a test unit, a sampling needle, a cap, and a reagent container. A test strip is provided inside the test unit. The sampling needle is located at the first end of the kit and includes a body and a flow guide groove provided in the body. The cap has a bearer cavity, and a sealing structure is provided at the opening of the bearer cavity. The cap is sealed to the first end of the test unit via the sealing structure. The reagent container is located within the bearer cavity and is used to contain a detection reagent. The mouth of the reagent container is sealed with an aluminum film, and the opening of the reagent container is lower than the opening of the cap. In the integrated sampling and sealing kit according to this application, the reagent container is fixed within the bearer cavity, the opening of the reagent container is lower than the opening of the cap, and a sealing structure is provided, solving the problem of poor sealing at the contact area between the test unit and the reagent container, and avoiding environmental damage due to gas leakage and reagent leakage.

Description

Technical Field

[0001] This application kit belongs to the technical field, and specifically relates to an integrated sampling and sealing kit.

Background Art

[0002] The reagent kit has a reagent container for accommodating detection reagents for detecting chemical components, drug residues, types of viruses, etc. In the conventional technology, when the sampling needle in the inspection unit of the reagent kit enters the reagent container during detection, the aluminum film at the opening of the reagent container for sealing the opening of the reagent container is pierced through. When the inspection unit and the reagent container come into contact, the aluminum film is sandwiched between the contact surfaces of the two, and there is a problem that the sealing property at the contact part between the inspection unit and the reagent container is poor, and the gas in the reagent container leaks out and scatters randomly. Also, during the process of shaking the reagent container for mixing, the reagent is also likely to leak, polluting the environment.

Summary of the Invention

Problems to be Solved by the Invention

[0003] This application intends to provide an integrated sampling and sealing kit to solve the problems of poor sealing property and easy leakage of the reagent.

Means for Solving the Problems

[0004] The technical solution adopted in this application provides an integrated sampling and sealing kit including an inspection unit, a sampling needle, a cap, and a reagent container. A test paper is provided inside the inspection unit. The sampling needle is the above-mentioned Inspection unitA first end of the inspection unit is provided, and includes a main body and a flow guide groove provided in the main body, the flow guide groove being provided along the longitudinal direction of the main body. The cap has a bearer cavity, a sealing structure is provided at the opening of the bearer cavity, and the cap is sealed to the first end of the inspection unit via the sealing structure. The reagent container is located in the bearer cavity and is used to contain the detection reagent, the opening of the reagent container is sealed with an aluminum membrane, and the opening of the reagent container is Located inside the cap, the opening of the cap It is not flush .

[0005] In one possible implementation, a fixing structure is provided on the inner wall of the bearer cavity, and the reagent container is secured to the inside of the cap via the fixing structure.

[0006] In one possible embodiment, the fixing structure is a plurality of grooves provided inside the bearer cavity, and fixing blocks are fixed to the outer wall of the reagent container, uniformly distributed along annular paths, and the fixing blocks are fitted into the grooves after the reagent container is installed.

[0007] In one possible embodiment, the bearer cavity is further provided with a plurality of auxiliary ribs, each extending along the depth direction of the cap, the plurality of auxiliary ribs provided on the inner wall of the bearer cavity and distributed along annular paths, with spacing between any two adjacent auxiliary ribs, the grooves corresponding one-to-one with the auxiliary ribs, and the grooves are all located on the sides of the auxiliary ribs.

[0008] In one possible embodiment, guide bevels are provided at the ends of the auxiliary ribs closest to the opening of the cap, and at least three auxiliary ribs are provided.

[0009] In one possible implementation, a positioning bump is provided at the other end of the auxiliary rib, the positioning bump is located on the side of the auxiliary rib and each extends toward the center of the bearer cavity, and a plurality of the positioning bumps are used to position the bottom of the reagent container.

[0010] In one possible implementation, the bottom of the reagent container is provided with a positioning cylinder that engages with the positioning bump.

[0011] In one possible embodiment, the sealing structure includes an insert pin provided on the end face of the inspection unit, a locking groove provided in the opening of the cap, and a silica washer provided between the inspection unit and the cap, wherein the end of the insert pin is locked in the locking groove, and the insert pin is configured to penetrate the silica gel pad.

[0012] In one possible embodiment, the end of the insertion pin is provided with a ball portion, the diameter of which is greater than the maximum diameter of the insertion pin, and the end of the locking groove is provided with two locking projections, the distance between which is less than the diameter of the ball portion. [Effects of the Invention]

[0013] The beneficial effects of the integrated sampling and sealing kit according to this application are as follows: Compared to the prior art, it is provided with a cap, the cap has a bearer cavity, the reagent container is fixed inside the bearer cavity, and the opening of the reagent container is Located inside the cap Furthermore, a sealing structure is provided and used to connect the test unit and the cap, solving the problem of poor sealing at the contact point between the test unit and the reagent container. This prevents problems such as gas escaping and scattering, or reagents leaking easily, thereby protecting the experimenter and avoiding environmental damage. [Brief explanation of the drawing]

[0014] [Figure 1]This is a schematic cross-sectional view of an integrated sampling and sealing kit according to an embodiment of this application. [Figure 2] This is a schematic diagram of a partially enlarged structure in Figure 1A. [Figure 3] These are schematic plan view and cross-sectional view diagrams of the cap of an integrated sampling sealing kit according to an embodiment of this application. [Figure 4] This is a schematic cross-sectional view of the reagent container of an integrated sampling and sealing kit according to an embodiment of this application. [Figure 5] The following are schematic plan views and schematic cross-sectional views of the reagent container and cap after the reagent container of the integrated sampling sealing kit according to the embodiment of this application has been installed inside the cap. [Modes for carrying out the invention]

[0015] To further clarify the technical problem, technical solution, and beneficial effects that this application aims to solve, the application will be described in more detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are for interpretation purposes only and do not limit this application.

[0016] Referring together to Figures 1 and 2, the integrated sampling and sealing kit according to this application is now described. The integrated sampling and sealing kit may include a test unit 10, a sampling needle 20, a cap 30, and a reagent container 40. A test strip is provided inside the test unit 10. The sampling needle 20 is Inspection unit 10 It is provided at the first end. The sampling needle 20 includes a main body 21 and a flow guide groove 22 provided in the main body 21. The flow guide groove 22 is provided along the length of the main body 21. The cap 30 has a bearer cavity, and a seal structure 31 is provided at the opening of the bearer cavity, and the cap 30 is sealed to the first end of the test unit 10 via the seal structure 31. The reagent container 40 is located inside the bearer cavity and is used to contain the detection reagent. The opening of the reagent container 40 is sealed with an aluminum membrane, and the opening of the reagent container 40 is It is located inside the cap 30 and is not flush with the opening of the cap 30. .

[0017] The integrated sampling and sealing kit according to this embodiment, compared with the prior art, provides a cap 30. The cap 30 has a bearing cavity, and the reagent container 40 is fixed within the bearing cavity. The base portion of the reagent container 40 Located inside cap 30 . And a seal structure 31 is provided and used to connect the inspection unit 10 and the cap 30, solving the problem of poor sealing at the contact part between the inspection unit 10 and the reagent container 40, avoiding the problems of gas leakage and easy scattering, and easy leakage of the reagent, protecting the experimenter and avoiding environmental damage.

[0018] In some embodiments, the above cap 30 may adopt the structure shown in FIGS. 3 and 5. Referring to FIGS. 3 and 5, a fixing structure 32 is provided on the inner wall of the bearing cavity, and the reagent container 40 is tightly mounted inside the cap 30 through the fixing structure 32. The fixing structure 32 forms a fixing position for fixing the position of the reagent container 40 within the cap 30, fixes the reagent container 40 at the middle position of the cap 30, and enables the sampling needle 20 to accurately insert into the reagent bottle 40. The fixing structure can strengthen the engagement relationship between the reagent container and the cap, and has good practicality.

[0019] In some embodiments, the above fixing structure 32 may adopt the structure shown in FIGS. 3 and 5. Referring to FIGS. 3 and 5, the fixing structure 32 may include a plurality of concave grooves 321 provided inside the bearing cavity. On the outer wall of the reagent container 40, fixing blocks 41 are fixedly installed so as to evenly surround. After the reagent container 40 is installed, the fixing blocks 41 are fitted into the inside of the concave grooves 321. The concave grooves 321 may further be provided along the depth direction of the reagent container, corresponding one-to-one with the fixing blocks 41 on the outer wall of the reagent container 40, and are used to position the position of the reagent container 40 within the bearing cavity. The structure is simple and ensures that the reagent container can be easily fixed and installed within the cap.

[0020] In some embodiments, the bearing cavity may adopt the structure shown in FIGS. 3 and 5. Referring to FIGS. 3 and 5, a plurality of auxiliary ribs 322 are provided inside the bearing cavity. The auxiliary ribs 322 are all provided along the depth direction of the cap 30. The plurality of auxiliary ribs 322 are peripherally provided on the inner wall of the bearing cavity, and there is a gap between two adjacent auxiliary ribs 322. The concave grooves 321 correspond one-to-one with the auxiliary ribs 322, and the concave grooves 321 are all located on the side surfaces of the auxiliary ribs 322. The auxiliary ribs 322 can realize the positioning of the reagent container, reduce the wall thickness of the cap 30 at the same time, reduce the cost, reduce the weight of the integrated sampling sealing kit, and have good practicability.

[0021] In some embodiments, the above-mentioned auxiliary rib 322 may adopt the structure shown in FIGS. 3 and 5. Referring to FIGS. 3 and 5, a guide slope is provided at the end of the auxiliary rib 322 close to the opening of the cap 30, and at least three auxiliary ribs 322 are provided. The guide slope is used to guide the installation of the reagent container 40, facilitate aligning the reagent container with the positioning space defined by the plurality of auxiliary ribs 322 and sliding it, and realize the installation of the reagent container 40.

[0022] In some embodiments, the above-mentioned auxiliary rib 322 may adopt the structure shown in FIGS. 3 and 5. Referring to FIGS. 3 and 5, positioning bumps 33 are provided at the other end of the auxiliary rib 322. The positioning bumps 33 are located on the side surfaces of the auxiliary ribs 322 and all extend toward the center of the bearing cavity. The plurality of positioning bumps 33 can position the bottom of the reagent container 40. The number of the positioning bumps 33 is the same as that of the auxiliary ribs 322, corresponding one-to-one with the auxiliary ribs 322, connected to the bottom end of the cap 30, forming a positioning group to fix the reagent container 40 and prevent the reagent container 40 from rotating in the cap 30. The structure is simple and the processing and manufacturing are easy.

[0023] In some embodiments, the reagent container 40 may adopt the structure shown in Figures 4 and 5. Referring to Figures 4 and 5, a positioning cylinder 42 that engages with the positioning bump 33 is provided at the bottom of the reagent container 40. The positioning cylinder 42 forms a stopper opening at the bottom of the reagent container 40 for insertion into the positioning bump 33, enabling the fixed mounting of the reagent container, making the installation operation of the reagent container simple and convenient, and providing good practicality.

[0024] In some embodiments, the seal structure 31 may employ the structure shown in Figures 1 to 3 and Figure 5. Referring to Figures 1 to 3 and Figure 5, the seal structure 31 includes an insertion pin 311 provided on the end face of the inspection unit 10, a locking groove 312 provided in the opening of the cap 30, and a silica washer 313 provided between the inspection unit 10 and the cap 30. The end of the insertion pin 311 is locked in the locking groove 312, and the insertion pin 311 penetrates the silica gel pad. Multiple insertion pins 311 may be provided to evenly surround the end face of the inspection unit 10, and there may be a one-to-one correspondence with multiple locking grooves 312 provided to evenly surround the opening of the cap 30. Multiple insertion pins 311 and locking grooves 312 may be provided, or they may be replaced by providing one insertion ring and one annular locking groove. Two silica washers of different diameters and parallel to each other can be fitted into the insertion ring to achieve a seal. The sealing structure according to this embodiment ensures a good seal at the connection between the cap and the inspection unit with a simple structure.

[0025] In some embodiments, the seal structure 31 may adopt the structure shown in Figures 1 to 3 and Figure 5. Referring to Figures 1 to 3 and Figure 5, a ball portion may be provided at the end of the insertion pin 311, the diameter of which is greater than the maximum diameter of the insertion pin 311, and a locking projection is provided at the end of the locking groove 312, the distance between the two locking projections being less than the diameter of the ball portion. Both the insertion pin 311 and the locking groove 312 are made of plastic material, have a certain elasticity, can achieve a certain degree of elastic deformation, are easy to manufacture, and are low cost.

[0026] The foregoing are merely preferred embodiments of this application and do not limit it. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this application are all included within the scope of protection of this application. 。 [Explanation of Symbols]

[0027] 10. Inspection unit, 20. Sampling needle, 21. Main body, 22. Flow guide groove, 30. Cap, 31. Seal structure, 311. Insertion pin, 312. Locking groove, 313. Silica washer, 32. Fixing structure, 321. Recessed groove, 322. Auxiliary rib, 33. Positioning bump, 40. Reagent container, 41. Fixing block, 42. Positioning cylinder.

Claims

1. It is an integrated sampling and sealing kit, An inspection unit in which a test strip is placed inside, A sampling needle provided at the first end of the kit, comprising a main body and a flow guide groove provided in the main body, wherein the flow guide groove extends along the longitudinal direction of the main body, A cap having a bearer cavity, wherein a sealing structure is provided at the opening of the bearer cavity, and the caps are sealed and connected to the first end of the inspection unit via the sealing structure. An integrated sampling sealing kit characterized by comprising a reagent container located within the bearer cavity for containing a detection reagent, wherein the opening of the reagent container is sealed with an aluminum membrane, and the opening of the reagent container is lower than the opening of the cap.

2. The integrated sampling and sealing kit according to claim 1, characterized in that a fixing structure is provided on the inner wall of the bearer cavity, and the reagent container is attached to the inside of the cap via the fixing structure.

3. The integrated sampling sealing kit according to claim 2, characterized in that the fixing structure includes a plurality of grooves provided inside the bearer cavity, fixing blocks are fixed to the outer wall of the reagent container so as to evenly surround it, and the fixing blocks are fitted into the grooves after the reagent container is attached.

4. The integrated sampling sealing kit according to claim 3, characterized in that a plurality of auxiliary ribs are provided inside the bearer cavity, each auxiliary rib extends along the depth direction of the cap, the plurality of auxiliary ribs are provided around the inner wall of the bearer cavity and there is a gap between two adjacent auxiliary ribs, the grooves correspond one-to-one with the auxiliary ribs, and the grooves are all provided on the side surfaces of the auxiliary ribs.

5. The integrated sampling sealing kit according to claim 4, characterized in that guide slopes are provided at the ends of the auxiliary ribs closest to the opening of the cap, and at least three auxiliary ribs are provided.

6. The integrated sampling and sealing kit according to claim 5, characterized in that a positioning bump is provided at the other end of the auxiliary rib, the positioning bump is located on the side of the auxiliary rib and extends toward the center of the bearer cavity, and the plurality of positioning bumps are used to position the bottom of the reagent container.

7. The integrated sampling and sealing kit according to claim 6, characterized in that a positioning cylinder that engages with the positioning bump is provided at the bottom of the reagent container.

8. The integrated sampling sealing kit according to claim 1, characterized in that the sealing structure includes an insertion pin provided on the end face of the inspection unit, a locking groove provided in the opening of the cap, and a silica washer provided between the inspection unit and the cap, wherein the end of the insertion pin is locked in the locking groove, and the insertion pin is configured to penetrate the silica gel pad.

9. The integrated sampling sealing kit according to claim 8, characterized in that a ball portion is provided at the end of the insertion pin, the diameter of the ball portion is larger than the maximum diameter of the insertion pin, and two locking protrusions are provided at the end of the locking groove, the distance between the two locking protrusions is smaller than the diameter of the ball portion.

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