CN219489992U

CN219489992U - PCR single tube opening sealing structure

Info

Publication number: CN219489992U
Application number: CN202320731431.XU
Authority: CN
Inventors: 杨旭
Original assignee: Shanghai Keyuan Biotechnology Co ltd
Current assignee: Shanghai Keyuan Biotechnology Co ltd
Priority date: 2023-04-04
Filing date: 2023-04-04
Publication date: 2023-08-08
Anticipated expiration: 2033-04-04

Abstract

The utility model relates to the technical field of PCR single tubes, in particular to a sealing structure for an opening of a PCR single tube. The technical proposal comprises: the pipe body and the pipe plug comprise a plug and a plug flange fixedly connected to the top end of the plug, the inner wall of the plug is fixedly connected with a vertical strip, the outer wall of the plug is fixedly connected with a convex block, the convex block corresponds to the vertical strip in position, the bottom end of the plug is provided with an arc-shaped end edge which is convenient for the pipe plug to be inserted into the pipe body, the pipe plug is fixedly connected with the pipe body through a connecting strip, the connecting strip comprises a first connecting strip and a second connecting strip, and one end of the first connecting strip, which is far away from the second connecting strip, is fixedly connected with the pipe plug. According to the utility model, through the design of the pipe plug, the pipe orifice of the pipe body can be sealed, and the pipe is easy to pull out, so that liquid in the pipe cannot be splashed out; the connecting strip can be used for realizing connection between the pipe body and the pipe plug, is convenient for use together with the pipe body and the pipe plug, has a detachable function, and can be matched with different pipe bodies for use.

Description

PCR single tube opening sealing structure

Technical Field

The utility model relates to the technical field of PCR single tubes, in particular to a sealing structure for an opening of a PCR single tube.

Background

The single-junction tubular structure is used for molecular biological experiments, and is generally composed of a tubular body and a tubular plug, the tubular plug is directly plugged into a tube orifice for sealing, but when the tubular plug is pulled out, the difficulty of pulling out the tubular plug is increased due to the pressure difference between the inside and the outside of the tubular plug, and when the tubular plug is pulled out with great force, liquid in the tubular plug is easily brought out, so that the utility model provides the single-junction tubular structure with the easily pulled-out opening.

Disclosure of Invention

The utility model aims at solving the problems in the background art and provides a PCR single tube opening sealing structure.

The technical scheme of the utility model is as follows: the utility model provides a PCR single tube opening seal structure, includes pipe shaft and stopcock, and the stopcock includes stopper post and fixed connection at the stopper post flange on stopper post top, the inner wall fixedly connected with of stopper post erects the line strip, the outer wall fixedly connected with lug of stopper post, the lug corresponds with erects line strip position.

Preferably, the bottom end of the plug is provided with an arc-shaped end edge which is convenient for the plug to be inserted into the pipe body pipe orifice.

Preferably, the pipe plug is fixedly connected with the pipe body through a connecting strip.

Preferably, the connecting strip comprises a first connecting strip and a second connecting strip, one end, far away from the second connecting strip, of the first connecting strip is fixedly connected with the pipe plug, and one end, far away from the first connecting strip, of the second connecting strip is fixedly connected with the pipe body.

Preferably, the top end of the pipe body is fixedly connected with a pipe orifice flange, and the pipe orifice flange is fixedly connected with the second connecting strip.

Preferably, the one end that first connecting strip is close to the second connecting strip fixedly connected with spacing inserted block, the one end that the second connecting strip is close to first connecting strip seted up with spacing inserted block assorted spacing slot.

Preferably, the vertical bars and the protruding blocks are symmetrically provided with a pair.

Compared with the prior art, the utility model has the following beneficial technical effects:

(1): according to the pipe plug, the pipe orifice of the pipe body can be sealed, and the pipe plug is easy to pull out and can not cause splashing of liquid in the pipe;

(2): the utility model provides a can realize being connected between pipe shaft and the stopcock through the connecting strip, make things convenient for the use together between the two, and the connecting strip has the detachable function, can use with the pipe shaft collocation of difference.

Drawings

FIG. 1 is a schematic structural view of a PCR single tube opening sealing structure;

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is a schematic view of the structure of the pipe plug of FIG. 2;

FIG. 4 is a schematic view of a structure of a connecting bar;

fig. 5 is an exploded view of the connecting strip.

Reference numerals: 1. a pipe body; 11. a nozzle flange;

2. a pipe plug; 21. a plug; 22. a plug flange; 23. an arc-shaped end edge; 24. vertical bars; 25. a bump;

3. a connecting strip; 31. a first connecting bar; 311. limiting plug blocks; 32. a second connecting bar; 321. and a limiting slot.

Detailed Description

The following description is merely exemplary in nature and is not intended to limit the present application, uses, or uses. It should be understood that throughout the drawings, the same or similar reference numerals indicate the same or similar parts and features. The drawings are merely schematic representations, not necessarily showing specific dimensions and proportions of the various embodiments of the application. Specific details or structures may be shown in exaggerated form in particular figures to illustrate related details or structures of embodiments of the present application.

Example 1

As shown in fig. 1-3, the utility model provides a sealing structure for an opening of a single PCR tube, which comprises a tube body 1 and a rubber tube plug 2, wherein the tube plug 2 comprises a plug column 21 and a plug column flange 22 integrally and fixedly connected to the top end of the plug column 21, a pair of vertical bars 24 are symmetrically and fixedly connected to the inner wall of the plug column 21, and the vertical bars 24 can be metal hard bars. The outer wall of the plug 21 is symmetrically and fixedly connected with a pair of protruding blocks 25, the protruding blocks 25 correspond to the vertical bars 24 in position, and the vertical bars 24 can be driven to move when the protruding blocks 25 are extruded. The bottom end of the plug 21 is provided with an arc-shaped end edge 23 which facilitates the insertion of the pipe plug 2 into the pipe orifice of the pipe body 1. The pipe plug 2 is fixedly connected with the pipe body 1 through the connecting strip 3, so that the pipe plug 2 is convenient to use together with the pipe body 1, and the loss of the pipe plug 2 can be avoided.

The working principle of the embodiment is as follows: as shown in fig. 1, the pipe plug 2 is inserted into the pipe opening of the pipe body 1 to seal the pipe body 1, when the pipe plug 2 is pulled out, if the pressure difference between the inside and the outside of the pipe increases the difficulty of pulling out and easily causes the splashing of the liquid in the pipe, in this embodiment, the two protruding blocks 25 are pinched first and squeezed to drive the two vertical strips 24 to approach each other, and then the plug 21 is driven to slightly shrink and deform inwards, so that a small gap appears between the outer wall of the plug 21 and the pipe opening of the pipe body 1 to allow air to circulate, so as to balance the pressure difference between the inside and the outside of the pipe, and then the pipe plug 2 can be pulled out from the pipe body 1 easily.

Example two

The utility model provides a PCR single tube opening sealing structure, which comprises a tube body 1 and a rubber tube plug 2, wherein the tube plug 2 comprises a plug column 21 and a plug column flange 22 integrally and fixedly connected to the top end of the plug column 21, a pair of vertical strips 24 are symmetrically and fixedly connected to the inner wall of the plug column 21, and the vertical strips 24 can be metal hard strips. The outer wall of the plug 21 is symmetrically and fixedly connected with a pair of protruding blocks 25, and the protruding blocks 25 correspond to the vertical bars 24 in position. The bottom end of the plug 21 is provided with an arc-shaped end edge 23 which facilitates the insertion of the pipe plug 2 into the pipe orifice of the pipe body 1. The pipe plug 2 is fixedly connected with the pipe body 1 through the connecting strip 3, so that the pipe plug and the pipe body are convenient to use together.

Compared to the first embodiment, the present embodiment further includes:

as shown in fig. 4-5, the connecting strip 3 is of a rubber-like foldable structure and comprises a first connecting strip 31 and a second connecting strip 32, one end, far away from the second connecting strip 32, of the first connecting strip 31 is integrally and fixedly connected with the pipe plug 2, the top end of the pipe body 1 is integrally and fixedly connected with the pipe orifice flange 11, and one end, far away from the first connecting strip 31, of the second connecting strip 32 is integrally and fixedly connected with the pipe body 1. Three spacing inserting blocks 311 are integrally and fixedly connected to one end, close to the second connecting bar 32, of the first connecting bar 31, and a spacing inserting groove 321 matched with the spacing inserting blocks 311 is formed in one end, close to the first connecting bar 31, of the second connecting bar 32.

The working principle of the embodiment is as follows: the connecting strip 3 has a detachable function, can be matched with different pipe bodies 1 for use, can directly insert the limiting plug 311 into the limiting slot 321 when connecting the first connecting strip 31 and the second connecting strip 32, can realize the connection between the first connecting strip 31 and the second connecting strip 32 through the friction limitation between the two, and can separate the first connecting strip 31 and the second connecting strip 32 by directly exerting force.

The exemplary implementation of the solution proposed in the present application has been described in detail hereinabove with reference to the preferred embodiments, however, it will be understood by those skilled in the art that various modifications and adaptations can be made to the specific embodiments described above and that various combinations of the technical features and structures proposed in the present application can be made without departing from the scope of protection of the present application, which is defined by the appended claims.

Claims

1. The utility model provides a PCR single tube opening seal structure, includes pipe shaft (1) and stopcock (2), its characterized in that: the pipe plug (2) comprises a plug column (21) and a plug column flange (22) fixedly connected to the top end of the plug column (21), a vertical strip (24) is fixedly connected to the inner wall of the plug column (21), a lug (25) is fixedly connected to the outer wall of the plug column (21), and the lug (25) corresponds to the vertical strip (24) in position.

2. The sealing structure of the single tube opening of the PCR process according to claim 1, wherein the bottom end of the plug (21) is provided with an arc-shaped end edge (23) which facilitates the insertion of the plug (2) into the tube opening of the tube body (1).

3. The sealing structure of the single PCR tube opening according to claim 1, wherein the tube plug (2) is fixedly connected with the tube body (1) through a connecting strip (3).

4. A PCR single tube opening sealing structure according to claim 3, characterized in that the connecting strip (3) comprises a first connecting strip (31) and a second connecting strip (32), wherein one end of the first connecting strip (31) far away from the second connecting strip (32) is fixedly connected with the tube plug (2), and one end of the second connecting strip (32) far away from the first connecting strip (31) is fixedly connected with the tube body (1).

5. The sealing structure for the single tube opening of the PCR process according to claim 4, wherein the top end of the tube body (1) is fixedly connected with a tube orifice flange (11), and the tube orifice flange (11) is fixedly connected with a second connecting strip (32).

6. The sealing structure of a single PCR tube opening according to claim 4, wherein a limiting insert (311) is fixedly connected to one end of the first connecting strip (31) close to the second connecting strip (32), and a limiting insert groove (321) matched with the limiting insert (311) is formed in one end of the second connecting strip (32) close to the first connecting strip (31).

7. A single tube opening sealing structure for PCR according to claim 1, wherein the vertical bars (24) and the projections (25) are symmetrically provided with a pair.