CN220004075U - Filter equipment for nucleic acid extraction appearance convenient to change - Google Patents
Filter equipment for nucleic acid extraction appearance convenient to change Download PDFInfo
- Publication number
- CN220004075U CN220004075U CN202320968959.9U CN202320968959U CN220004075U CN 220004075 U CN220004075 U CN 220004075U CN 202320968959 U CN202320968959 U CN 202320968959U CN 220004075 U CN220004075 U CN 220004075U
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- China
- Prior art keywords
- wall
- sample bottle
- sleeve
- connecting block
- sleeve pipe
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- 150000007523 nucleic acids Chemical class 0.000 title claims abstract description 19
- 102000039446 nucleic acids Human genes 0.000 title claims abstract description 19
- 108020004707 nucleic acids Proteins 0.000 title claims abstract description 19
- 238000000605 extraction Methods 0.000 title claims abstract description 11
- 238000007789 sealing Methods 0.000 claims description 23
- 238000001914 filtration Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 6
- 238000001514 detection method Methods 0.000 description 3
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
Landscapes
- Apparatus Associated With Microorganisms And Enzymes (AREA)
Abstract
The utility model relates to the technical field of medical equipment, in particular to a filtering device for a nucleic acid extraction instrument, which is convenient to replace. The technical proposal comprises: sample bottle, connecting block, sleeve pipe, screw thread, connecting pipe, piston and third are sealed to be filled up, sample bottle outer wall one side is provided with the sleeve pipe, the connecting pipe is installed in grafting of sleeve pipe upper end outer wall one side, the balloon is installed in grafting of the connecting pipe other end, and the balloon is connected with the sleeve pipe outer wall, sleeve pipe inner wall upper end one side is provided with the piston, sleeve pipe inner wall lower extreme one side is provided with the connecting block, the inside symmetry of connecting block is provided with the filter core, rings are installed to connecting block upper end outer wall one side, the drain pipe is installed in grafting of sample bottle lower extreme outer wall one side, through setting up sample bottle, sleeve pipe and connecting block, has reached the effect of being convenient for carry out filterable to the medium, guarantees that medical personnel can single hand operation, has improved medical personnel's work efficiency, has reduced staff's working strength.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to a filtering device for a nucleic acid extractor, which is convenient to replace.
Background
The nucleic acid extraction instrument is an instrument which automatically completes the extraction work of sample nucleic acid by using matched nucleic acid extraction reagent. The method is widely applied to various fields such as disease control centers, clinical disease diagnosis, blood transfusion safety, forensic identification, environmental microorganism detection, food safety detection, animal husbandry, molecular biology research and the like, and the extraction process of nucleic acid needs to be filtered by a filtering device.
Through mass retrieval, the filtering mechanism for the nucleic acid extractor, which is typically disclosed as a filtering device in the prior art with the publication number of CN213643365U, comprises a mounting tube, a pushing tube, a flow guiding piece, a filter plate and a liquid outlet tube, wherein the flow guiding piece is arranged at the lower end of the mounting tube and comprises a supporting rod and a flow guiding piece, the flow guiding piece is of a spiral structure, the flow guiding piece is wound and sleeved outside the supporting rod, the filter plate is inserted on the flow guiding piece, the liquid outlet tube is arranged at the bottom end of the mounting tube, the pushing tube is arranged at the upper end of the mounting tube.
The current nucleic acid extractor is in the use, needs place the medium inside the extraction tube to filter through extrusion filterable mode, nevertheless need medical personnel's both hands to operate, influence medical personnel's detection efficiency, thereby lead to medical personnel's working strength higher.
Disclosure of Invention
The utility model aims to provide a filtering device for a nucleic acid extractor, which is convenient to replace, so as to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a filter equipment for nucleic acid extraction appearance convenient to change, includes sample bottle, connecting block, sleeve pipe, screw thread, connecting pipe, piston and third sealed pad, sample bottle outer wall one side is provided with the sleeve pipe, sleeve pipe inner wall upper end one side is provided with the piston, sleeve pipe inner wall lower extreme one side is provided with the connecting block, the inside symmetry of connecting block is provided with the filter core, rings are installed to connecting block upper end outer wall one side, the drain pipe is installed in pegging graft of sample bottle lower extreme outer wall one side.
Preferably, the outer wall of one side of the sample bottle and one side of the inner wall of the sleeve are provided with threads, and the sample bottle is meshed with the sleeve through the threads. The connection stability between the sample bottle and the sleeve is ensured through the meshing force generated by the threads.
Preferably, a first sealing gasket is fixedly attached to one side of the outer wall of the upper end of the sample bottle, and the first sealing gasket is contacted with the upper end of the inner wall of the sleeve. The first gasket ensures tightness between the sleeve and the sample bottle.
Preferably, a connecting pipe is inserted and installed on one side of the outer wall of the upper end of the sleeve, an inflatable ball is inserted and installed on the other end of the connecting pipe, and the inflatable ball is connected with the outer wall of the sleeve. When medical staff squeezes the inflatable ball, the aim of flushing gas into the sleeve is achieved through the connecting pipe.
Preferably, the outer wall of the piston is fixedly attached with a second sealing gasket, and the second sealing gasket is contacted with one side of the inner wall of the sample bottle. The second gasket ensures tightness between the piston and the sample bottle.
Preferably, the outer wall of the connecting block is fixedly attached with a third sealing gasket, and the third sealing gasket is contacted with one side of the inner wall of the sample bottle. The third sealing gasket ensures the tightness between the connecting block and the sample bottle.
Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the sample bottle, the sleeve and the connecting block are arranged, so that the effect of conveniently filtering media is achieved, medical staff stores the media in the sample bottle and blocks the piston, the medical staff engages the sample bottle in the sleeve through threads, the stability between the sample bottle and the sleeve is ensured, the medical staff holds the sample bottle and extrudes the inflatable ball, the inflatable ball blows air into the sleeve through the connecting pipe, and the piston is pushed to move in the sample bottle through air pressure, so that the media in the sample bottle penetrate through the filter element and are discharged through the liquid outlet pipe, the purpose of filtering the media is achieved through the filter element, the medical staff can operate by one hand, the working efficiency of the medical staff is improved, and the working strength of the staff is reduced.
Drawings
FIG. 1 is a schematic cross-sectional view of a sample bottle of the present utility model;
FIG. 2 is an enlarged schematic view of a piston structure according to the present utility model;
fig. 3 is an enlarged schematic view of the structure of the connecting block of the present utility model.
In the figure: 1. a sample bottle; 11. a sleeve; 12. a thread; 13. a first gasket; 14. a connecting pipe; 15. inflating the balloon; 16. a piston; 17. a second gasket; 18. a liquid outlet pipe; 2. a connecting block; 21. a filter element; 22. a third gasket; 23. and (5) hanging rings.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1 to 3, an embodiment of the present utility model provides: the utility model provides a filter equipment for nucleic acid extraction appearance convenient to change, includes sample bottle 1, connecting block 2, sleeve pipe 11, screw thread 12, connecting pipe 14, piston 16 and third sealed pad 22, and sample bottle 1 outer wall one side is provided with sleeve pipe 11, and connecting pipe 14 is installed in grafting of sleeve pipe 11 upper end outer wall one side, and the balloon 15 is installed in grafting of the connecting pipe 14 other end, and balloon 15 is connected with sleeve pipe 11 outer wall. When medical staff squeezes the inflatable ball 15, has reached the purpose of pouring into gas to sleeve pipe 11 inside through connecting pipe 14, and screw thread 12 has all been seted up to sample bottle 1 one side outer wall and sleeve pipe 11 inner wall one side, and sample bottle 1 meshes with sleeve pipe 11 through screw thread 12. The meshing force generated by the threads 12 ensures the connection stability between the sample bottle 1 and the sleeve 11, and the first sealing gasket 13 is fixedly attached to one side of the outer wall of the upper end of the sample bottle 1, and the first sealing gasket 13 is contacted with the upper end of the inner wall of the sleeve 11. The first gasket 13 ensures tightness between the sleeve 11 and the sample bottle 1.
A piston 16 is arranged on one side of the upper end of the inner wall of the sleeve 11, a second sealing gasket 17 is fixedly attached to the outer wall of the piston 16, and the second sealing gasket 17 is contacted with one side of the inner wall of the sample bottle 1. The sealing performance between the piston 16 and the sample bottle 1 is guaranteed by the second sealing gasket 17, the connecting block 2 is arranged on one side of the lower end of the inner wall of the sleeve 11, the third sealing gasket 22 is fixedly attached to the outer wall of the connecting block 2, and the third sealing gasket 22 is in contact with one side of the inner wall of the sample bottle 1. The sealing performance between the connecting block 2 and the sample bottle 1 is guaranteed by the third sealing gasket 22, the filter element 21 is symmetrically arranged in the connecting block 2, the hanging ring 23 is arranged on one side of the outer wall of the upper end of the connecting block 2, the liquid outlet pipe 18 is arranged on one side of the outer wall of the lower end of the sample bottle 1 in a plugging manner, a medical staff stores media in the sample bottle 1 and plugs the upper piston 16, the sample bottle 1 is meshed in the sleeve 11 through the threads 12 by the medical staff, the stability between the sample bottle 1 and the sleeve 11 is guaranteed, the sample bottle 1 is held by the medical staff, the air charging ball 15 is extruded to the sleeve 11 through the connecting pipe 14, the piston 16 is pushed to move in the sample bottle 1 through air pressure, so that media in the sample bottle 1 are pushed to penetrate through the filter element 21 and are discharged through the liquid outlet pipe 18, the purpose of filtering the media is achieved through the filter element 21, the work efficiency of the medical staff is guaranteed, the work efficiency of the medical staff is improved, and the work intensity of the staff is reduced.
Working principle: medical personnel deposit the medium inside sample bottle 1, and block up piston 16, medical personnel mesh inside the sleeve pipe 11 through screw thread 12 to sample bottle 1, guaranteed the stability between sample bottle 1 and the sleeve pipe 11, medical personnel hold sample bottle 1, and squeeze inflatable ball 15, inflatable ball 15 is through connecting pipe 14 to the inside gas of punching in of sleeve pipe 11, promote piston 16 at inside removal of sample bottle 1 through atmospheric pressure, thereby promote the inside medium of sample bottle 1 and run through filter core 21, and discharge through drain pipe 18, reached the purpose of carrying out filterable to the medium through filter core 21.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a filter equipment for nucleic acid extraction appearance convenient to change, includes sample bottle (1), connecting block (2), sleeve pipe (11), screw thread (12), connecting pipe (14), piston (16) and third sealed pad (22), its characterized in that: the utility model discloses a sample bottle, including sample bottle (1), sleeve pipe (11) inner wall upper end one side is provided with piston (16), sleeve pipe (11) inner wall lower extreme one side is provided with connecting block (2), inside symmetry of connecting block (2) is provided with filter core (21), rings (23) are installed to connecting block (2) upper end outer wall one side, drain pipe (18) are installed in grafting of sample bottle (1) lower extreme outer wall one side.
2. The filter device for a nucleic acid extractor which is easy to replace according to claim 1, wherein: screw threads (12) are formed on one side outer wall of the sample bottle (1) and one side of the inner wall of the sleeve (11), and the sample bottle (1) is meshed with the sleeve (11) through the screw threads (12).
3. The filter device for a nucleic acid extractor which is easy to replace according to claim 1, wherein: a first sealing gasket (13) is fixedly attached to one side of the outer wall of the upper end of the sample bottle (1), and the first sealing gasket (13) is in contact with the upper end of the inner wall of the sleeve (11).
4. The filter device for a nucleic acid extractor which is easy to replace according to claim 1, wherein: a connecting pipe (14) is inserted and installed on one side of the outer wall of the upper end of the sleeve (11), an inflatable ball (15) is inserted and installed on the other end of the connecting pipe (14), and the inflatable ball (15) is connected with the outer wall of the sleeve (11).
5. The filter device for a nucleic acid extractor which is easy to replace according to claim 1, wherein: the outer wall of the piston (16) is fixedly attached with a second sealing gasket (17), and the second sealing gasket (17) is contacted with one side of the inner wall of the sample bottle (1).
6. The filter device for a nucleic acid extractor which is easy to replace according to claim 1, wherein: and a third sealing gasket (22) is fixedly attached to the outer wall of the connecting block (2), and the third sealing gasket (22) is contacted with one side of the inner wall of the sample bottle (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320968959.9U CN220004075U (en) | 2023-04-26 | 2023-04-26 | Filter equipment for nucleic acid extraction appearance convenient to change |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320968959.9U CN220004075U (en) | 2023-04-26 | 2023-04-26 | Filter equipment for nucleic acid extraction appearance convenient to change |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220004075U true CN220004075U (en) | 2023-11-14 |
Family
ID=88682781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320968959.9U Active CN220004075U (en) | 2023-04-26 | 2023-04-26 | Filter equipment for nucleic acid extraction appearance convenient to change |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220004075U (en) |
-
2023
- 2023-04-26 CN CN202320968959.9U patent/CN220004075U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |