CN221404994U - Double-spiral-cover extraction tube for filtering plug in sample - Google Patents
Double-spiral-cover extraction tube for filtering plug in sample Download PDFInfo
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- CN221404994U CN221404994U CN202322894175.9U CN202322894175U CN221404994U CN 221404994 U CN221404994 U CN 221404994U CN 202322894175 U CN202322894175 U CN 202322894175U CN 221404994 U CN221404994 U CN 221404994U
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- sampling
- tube
- sample
- fixedly connected
- spoon
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- 238000000605 extraction Methods 0.000 title claims abstract description 21
- 238000001914 filtration Methods 0.000 title claims abstract description 16
- 238000005070 sampling Methods 0.000 claims abstract description 89
- 230000000694 effects Effects 0.000 claims description 4
- 230000009977 dual effect Effects 0.000 claims 5
- 238000001514 detection method Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 238000004321 preservation Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model relates to the technical field of sampling detection, in particular to a double-screw cap extraction tube for filtering plugs in a sample, which comprises a sample tube, wherein an outer ring cap is connected to the sample tube in a threaded manner, an inner ring cap is connected to the outer ring cap in a sliding manner, a sampling tube is fixedly connected to the outer ring cap, and the double-screw cap extraction tube further comprises; the sampling assembly comprises springs and a sampling spoon, one ends of the two springs are fixedly connected to the sampling tube, and the other ends of the two springs are fixedly connected to the sampling spoon; the sample on the sampling spoon is easier to fall off and mix, the screw rod is rotated when sampling is needed, the limiting rod coincides with the groove, the sampling spoon is fixed, sampling can be carried out by using the sampling spoon, when shaking is needed, the screw rod is reversely rotated, the limiting rod is separated from the groove, the sampling spoon is connected with the spring, the shaking can be carried out at the moment, the swing amplitude of the sampling spoon is larger, and the sample is easier to fall off and mix.
Description
Technical Field
The utility model relates to the technical field of sampling detection, in particular to a double-screw cap extraction tube for filtering a plug in a sample.
Background
In various tests performed in the laboratory, sample testing is often performed. The extraction tube is a tool integrating sampling and sample adding.
The Chinese patent with publication number CN219377197U discloses a preservation tube for filtering plugs in a sample, which comprises an upper spiral cover, a middle spiral cover, a filter screen, a collection spoon, a sample cavity, an extraction cavity and a preservation tube; the upper screw cap consists of friction threads and upper screwing threads, and a part below the upper screw cap is a straight thread and a vertical thread; the middle spiral cover consists of a hollow sampling hole, a lower screwing thread and a middle spiral cover entity, wherein a part of the upper part of the inner part of the middle spiral cover is an entity and is tightly connected with the filter screen, and a reverse thread is arranged below the middle spiral cover entity; the filter screen is connected with the middle spiral cover body, and the lower part of the filter screen is connected with the collecting spoon; the collecting spoon is connected with a filter screen above the collecting spoon; the sample cavity is a space area between the filter screen and the preservation tube; the extraction cavity is a space region in the filter screen.
In the above technical scheme, after the sample cavity is placed in after the sample is collected by the collecting spoon, the sample has viscosity and possibly adheres to the collecting spoon, the sample can fall off only by shaking manually or by a machine, and the sampling is relatively complicated and inaccurate due to uneven mixing.
Based on the above, the utility model provides a double-screw cap extraction tube for filtering plugs in a sample.
Disclosure of utility model
In order to solve the technical problems, the utility model provides a double-screw cap extraction tube for filtering a plug in a sample, which can facilitate the falling and mixing of the sample.
The technical solution for realizing the purpose of the utility model is as follows: the double-screw cap extraction tube for filtering the plug in the sample comprises a sample tube, wherein an outer ring cap is connected to the sample tube in a threaded manner, an inner ring cap is movably connected to the outer ring cap in a plug-in manner, and a sampling tube is fixedly connected to the outer ring cap;
The sampling assembly comprises a spring and a sampling spoon, one end of each spring is fixedly connected to the sampling tube, and the other end of each spring is fixedly connected to the sampling spoon.
Preferably, the sampling assembly further comprises a screw, nuts and through holes, wherein the through holes are formed in the sampling tube, the nuts are fixedly connected in the sampling tube, and the screw is in threaded connection with the nuts.
Preferably, the sampling assembly further comprises a groove and a limiting rod, the groove is formed in the bottom of the screw rod, the limiting rod is fixedly connected to the sampling spoon, and the groove is matched with the limiting rod.
Preferably, the outer ring cover is provided with a connecting rope, one end of the connecting rope is fixedly connected to the outer ring cover, and the other end of the connecting rope is fixedly connected to the inner ring cover.
Preferably, the sampling tube is provided with a filter screen, and the filter screen is fixedly connected to the sampling tube.
Preferably, the cross section of the inner ring cover is in a shape of a Chinese character 'tu', and the cross section of the outer ring cover is in a shape of a Chinese character 'xi'.
Compared with the prior art, the utility model, its apparent advantage is:
The method comprises the following steps: according to the utility model, the outer ring cover is rotated to draw the sample tube away, then the screw rod is rotated, the screw rod moves downwards while rotating due to the fact that the screw cap is fixed, the limiting rod enters the groove along with the downward movement, and the sampling spoon cannot shake due to the fact that the limiting rod is fixedly connected to the sampling spoon, and the effect of fixing the sampling spoon is achieved;
And two,: according to the utility model, a sampling spoon is used for collecting a sample, after the sampling is finished, an outer ring cover is screwed on a sample tube, a screw rod is rotated to enable the outer ring cover to move upwards, after a limiting rod is separated from a groove, the screw rod is stopped from rotating, the sample tube is shaken by a manual or automatic machine, and the sampling spoon is fixedly connected with a spring, so that the extensibility of the spring is good, the swinging amplitude of the sampling spoon is larger in the shaking process, and the sample on the sampling spoon is easier to fall off and mix.
Drawings
The utility model is further explained below with reference to the drawings and examples:
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic view of the internal structure of the present utility model;
fig. 3 is a cross-sectional view of the internal structure of the present utility model.
Reference numerals illustrate:
1. A sample tube; 21. an outer ring cover; 22. an inner ring cover; 23. a sampling tube; 24. a filter screen; 25. a connecting rope; 3. a sampling assembly; 31. a screw; 32. a screw cap; 33. a groove; 34. a spring; 35. a limit rod; 36. sampling spoon; 37. and a through hole.
Detailed Description
The following detailed description of the present utility model clearly and fully describes the technical solutions of the embodiments of the present utility model, and it is apparent that the described embodiments 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.
The utility model provides a double-spiral cover extraction tube for filtering a blockage in a sample by improving the double-spiral cover extraction tube, which comprises the following technical scheme:
As shown in fig. 1-3, a dual-cap extraction tube for filtering a plug in a sample comprises a sample tube 1, wherein the sample tube 1 is of a hollow structure, an outer ring cap 21 is connected to the sample tube 1 in a threaded manner, the outer ring cap 21 is of a hollow structure, an inner ring cap 22 is movably connected to the outer ring cap 21 in a plug-in manner, a sampling tube 23 is fixedly connected to the outer ring cap 21, the diameter of the inner ring cap 22 is the same as that of the sampling tube 23, a cylinder is arranged at the center of the sampling tube 23 and is a through hole 37, and the dual-cap extraction tube further comprises;
The sampling assembly 3, the sampling assembly 3 includes spring 34 and sampling spoon 36, and the one end fixed connection of two springs 34 is on sampling tube 23, and the other end fixed connection of two springs 34 is on sampling spoon 36, and two springs 34 use screw rod 31 as axisymmetry, and the top one section of sampling spoon 36 is the cylinder, the fixed of spring 34 of being convenient for.
Further, as shown in fig. 1-3, the sampling assembly 3 further includes a screw 31, nuts 32 and a through hole 37, the through hole 37 is formed in the sampling tube 23, the through hole 37 is formed in the center of the sampling tube 23, the nuts 32 are fixedly connected in the sampling tube 23, the screw 31 is in threaded connection with the nuts 32, the nuts 32 are three in number, and the position of the screw 31 is prevented from being deviated in the rotation process.
Further, as shown in fig. 2 and 3, the sampling assembly 3 further includes a groove 33 and a limiting rod 35, the groove 33 is formed at the bottom of the screw 31, the limiting rod 35 is fixedly connected to the sampling spoon 36, the groove 33 is matched with the limiting rod 35, the groove 33 can move along with the screw 31, when the limiting rod 35 coincides with the groove 33, the sampling spoon 36 is fixed, sampling can be performed by the sampling spoon 36, when the limiting rod 35 is separated from the groove 33, the sampling spoon 36 is connected with the spring 34, shaking can be performed at the moment, the swing amplitude of the sampling spoon 36 is larger, and samples are more easily dropped and mixed.
Further, as shown in fig. 1-3, the outer ring cover 21 is provided with a connecting rope 25, one end of the connecting rope 25 is fixedly connected to the outer ring cover 21, the other end of the connecting rope 25 is fixedly connected to the inner ring cover 22, when sampling is required, the inner ring cover 22 is removed, and the inner ring cover 22 cannot fall under the action of the connecting rope 25.
Further, as shown in fig. 2 and 3, the sampling tube 23 is provided with a filter screen 24, the filter screen 24 is fixedly connected to the sampling tube 23, the filter screen 24 is uniformly distributed on the sampling tube 23, and the sample liquid enters the sampling tube 23 along the filter screen 24.
Further, as shown in fig. 3, the cross section of the inner ring cover 22 is in a shape of a convex, the cross section of the outer ring cover 21 is in a shape of a concave, and the inner ring cover 22 is matched with the outer ring cover 21 so as to achieve the sealing effect.
The specific working method is as follows: the outer ring cover 21 is rotated to draw the sample tube 1 away, then the screw rod 31 is rotated, the screw rod 31 moves downwards while rotating due to the fact that the screw cap 32 is fixed, the groove 33 moves downwards along with the rotation, the limiting rod 35 is overlapped with the groove 33, the sampling spoon 36 cannot shake due to the fact that the limiting rod 35 is fixedly connected to the sampling spoon 36, the sampling spoon 36 has a fixed effect, samples are collected by the sampling spoon 36, after the sampling is finished, the outer ring cover 21 is covered on the sample tube 1, the screw rod 31 is rotated to move upwards, after the limiting rod 35 is separated from the groove 33, the screw rod 31 is stopped to shake the sample tube 1 through a manual or automatic machine, the sampling spoon 36 is fixedly connected with the spring 34 due to good extensibility of the spring 34, the swinging amplitude of the sampling spoon 36 is larger in the shaking process, the samples on the sampling spoon 36 are easier to drop and mix, and the solution can enter the sampling tube 23 through the filter screen 24, if sampling is needed, the inner ring cover 22 is taken down, and the samples are extracted in the sampling tube 23.
The technical means disclosed by the scheme of the utility model is not limited to the technical means disclosed by the technical means, and also comprises the technical scheme consisting of the technical characteristics and the equivalent substitution. The present utility model is not limited to the prior art.
Claims (6)
1. The utility model provides a be arranged in filtering sample plug and use two spiral cover extraction tube, includes sample tube (1), threaded connection has outer loop lid (21) on sample tube (1), activity grafting is connected with inner loop lid (22) on outer loop lid (21), fixedly connected with sampling tube (23) on outer loop lid (21), its characterized in that: also comprises;
The sampling assembly (3), sampling assembly (3) include spring (34) and sampling spoon (36), two one end fixed connection of spring (34) is on sampling tube (23), and two the other end fixed connection of spring (34) is on sampling spoon (36).
2. A dual cap extraction tube for filtering plugs in a sample according to claim 1, wherein: the sampling assembly (3) further comprises a screw (31), nuts (32) and through holes (37), the through holes (37) are formed in the sampling tube (23), a plurality of nuts (32) are fixedly connected in the sampling tube (23), and the screw (31) is in threaded connection with the nuts (32).
3. A dual cap extraction tube for filtering plugs in a sample according to claim 2, wherein: the sampling assembly (3) further comprises a groove (33) and a limiting rod (35), the groove (33) is formed in the bottom of the screw rod (31), the limiting rod (35) is fixedly connected to the sampling spoon (36), and the groove (33) is matched with the limiting rod (35).
4. A dual cap extraction tube for filtering plugs in a sample according to claim 1, wherein: the outer ring cover (21) is provided with a connecting rope (25), one end of the connecting rope (25) is fixedly connected to the outer ring cover (21), and the other end of the connecting rope (25) is fixedly connected to the inner ring cover (22).
5. A dual cap extraction tube for filtering plugs in a sample according to claim 1, wherein: the sampling tube (23) is provided with a filter screen (24), and the filter screen (24) is fixedly connected to the sampling tube (23).
6. A dual cap extraction tube for filtering plugs in a sample according to claim 1, wherein: the cross section of the inner ring cover (22) is in a convex shape, and the cross section of the outer ring cover (21) is in a concave shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322894175.9U CN221404994U (en) | 2023-10-27 | 2023-10-27 | Double-spiral-cover extraction tube for filtering plug in sample |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322894175.9U CN221404994U (en) | 2023-10-27 | 2023-10-27 | Double-spiral-cover extraction tube for filtering plug in sample |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221404994U true CN221404994U (en) | 2024-07-23 |
Family
ID=91916204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322894175.9U Active CN221404994U (en) | 2023-10-27 | 2023-10-27 | Double-spiral-cover extraction tube for filtering plug in sample |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221404994U (en) |
-
2023
- 2023-10-27 CN CN202322894175.9U patent/CN221404994U/en active Active
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