CN211205909U - Non-contact fluid sampler - Google Patents
Non-contact fluid sampler Download PDFInfo
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- CN211205909U CN211205909U CN201922020667.9U CN201922020667U CN211205909U CN 211205909 U CN211205909 U CN 211205909U CN 201922020667 U CN201922020667 U CN 201922020667U CN 211205909 U CN211205909 U CN 211205909U
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- sealing ring
- fluid sampler
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Abstract
The utility model belongs to the field of environment detection equipment, and discloses a non-contact fluid sampler, which comprises an outer pipe and an inner pipe spliced with the outer pipe; the tail end of the outer pipe is a closed end, a plurality of first strip-shaped holes are formed in the outer pipe from top to bottom, and second strip-shaped holes corresponding to the first strip-shaped holes are formed in the inner pipe; the outer wall of the inner pipe is provided with a first sealing ring and a second sealing ring; the first sealing ring is fixedly arranged around the second strip-shaped holes, the second sealing ring is fixedly arranged around the outer wall of the inner pipe, and the second sealing ring is positioned between every two adjacent second strip-shaped holes. The sampler has the advantages of convenient use, good sealing performance and small resistance in operation.
Description
Technical Field
The utility model relates to an environment check out test set field specifically is a contactless fluid sampler.
Background
The applicant has proposed an invention patent application CN 201711116577.9 in 2017 by Liu university, and discloses a portable fluid depth-setting layered sampling device. The device comprises an integrated depth-fixed layered sampling case, wherein three sampling interfaces are arranged in the integrated depth-fixed layered sampling case, each sampling interface is sequentially connected with a nested four-port three-way flow distribution mechanism, a pipe-in-pipe and a one-way valve, the lower end of each pipe-in-pipe is provided with a flow storage container, and each sampling interface is connected with a sampling bottle; the middle part of each pipe-in-pipe is wound on the rotating shaft in the same direction; the nitrogen cylinder is sequentially connected with the gas pressurizing interface and the four-way joint, and the four-way joint is respectively connected with the nested four-port three-way flow dividing mechanism. The portable fluid depth-setting layered sampling device can realize the depth-setting sampling function of a plurality of layers at the same time, the sampling layer number and the sampling depth of each layer can be set according to the selection of technicians, the layered sampling speed is high, and the performance is superior to that of similar products.
Although the scheme is named as a portable sampler, the portability of the scheme is not good enough in practical application.
The problem that this application will be solved is: how to provide a convenient to use, good leakproofness, resistance is little when the operation multilayer fluid sampler.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a contactless fluid sampler, this sampler have convenient to use, the leakproofness good, the little advantage of resistance when operating.
In order to achieve the above object, the utility model provides a following technical scheme: a non-contact fluid sampler comprises an outer pipe and an inner pipe inserted with the outer pipe; the tail end of the outer pipe is a closed end, a plurality of first strip-shaped holes are formed in the outer pipe from top to bottom, and second strip-shaped holes corresponding to the first strip-shaped holes are formed in the inner pipe; the outer wall of the inner pipe is provided with a first sealing ring and a second sealing ring; the first sealing ring is fixedly arranged around the second strip-shaped holes, the second sealing ring is fixedly arranged around the outer wall of the inner pipe, and the second sealing ring is positioned between every two adjacent second strip-shaped holes.
In the above contactless fluid sampler, the top of the outer tube is provided with a first handle, and the top of the inner tube is provided with a second handle.
In the above-mentioned non-contact fluid sampler, the bottom of the inner tube is a sealed end, and certainly not excluded, it is an open end, and the top of the inner tube is an open end; the top of the inner pipe is provided with a joint for connecting with an external flushing pipe, and the joint is provided with a valve.
In the above non-contact fluid sampler, the first strip-shaped hole and the second strip-shaped hole are kidney-shaped holes.
In the non-contact fluid sampler, the top of the outer pipe is provided with an L-shaped groove, the outer wall of the inner pipe is provided with a column with the width consistent with that of the groove, the groove is formed by connecting a vertical groove and a transverse groove, the upper end of the vertical groove is an open end, and the radian of the transverse groove is greater than that of the first strip-shaped hole;
when the column is positioned in the vertical groove, the first strip-shaped hole and the second strip-shaped hole are not communicated;
when the cylinder is positioned at the set position in the transverse groove, the first strip-shaped hole and the second strip-shaped hole are partially or completely overlapped.
In the above-mentioned non-contact fluid sampler, a conical head is hermetically connected to the end of the outer tube.
In the above-mentioned non-contact fluid sampler, the conical head is detachably attached to the end of the outer tube.
In the above contactless fluid sampler, the first seal ring and the second seal ring are both made of corrosion-resistant polytetrafluoroethylene.
Compared with the prior art, the beneficial effects of the utility model are that:
this scheme adopts first sealing washer and second sealing washer, and its main objective is: the first sealing ring reduces the contact area of the outer pipe and the inner pipe, the second sealing ring ensures that the second strip-shaped hole of the inner pipe is in sealing contact with the outer pipe, the first sealing ring can enable the inner pipe to rotate more flexibly, and the second sealing ring can prevent the inner pipe from being immersed in fluid before the first strip-shaped hole and the second strip-shaped hole are not overlapped in the fluid.
Drawings
Fig. 1 is a front view of embodiment 1 of the present invention;
fig. 2 is a front view of an inner tube according to embodiment 1 of the present invention;
fig. 3 is a sectional view a-a of the inner tube of example 1 of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
Referring to fig. 1 to 3, a non-contact fluid sampler includes an outer tube 1 and an inner tube 2 inserted into the outer tube 1; the tail end of the outer tube 1 is a closed end, a plurality of first strip-shaped holes 3 are formed in the outer tube 1 from top to bottom, and second strip-shaped holes 4 corresponding to the first strip-shaped holes 3 are formed in the inner tube 2; the outer wall of the inner pipe 2 is provided with a first sealing ring 5 and a second sealing ring 6; first sealing washer 5 is fixed around second bar hole 4 and is set up, second sealing washer 6 is fixed around 2 outer walls of inner tube and is set up, second sealing washer 6 is located between two adjacent second bar holes 4.
In this embodiment, the sampling operation is: insert inner tube 2 in outer tube 1, make first bar hole 3 and second bar hole 4 stagger completely, then rotate inner tube 2, make first bar hole 3 and the coincidence of second bar hole 4, the fluid of the different degree of depth enters into the second bar hole 4 of co-altitude not, after the sample, reverse rotation inner tube 2 makes and keeps encapsulated situation between second bar hole 4 and the outer tube 1, takes out the sampler, then rotatory inner tube 2 emits the sample.
Preferably, a first handle 7 is arranged on the top of the outer pipe 1, and a second handle 8 is arranged on the top of the inner pipe 2. During operation, the first handle 7 is grasped with one hand and the second handle 8 is rotated with one hand.
In this embodiment, the bottom of the inner tube 2 is a sealed end, and the top of the inner tube 2 is an open end; the top of the inner pipe 2 is provided with a connector 9 used for being connected with an external flushing pipe, and the connector 9 is provided with a valve 10. The joint 9 is a quick-release type joint 9, when sampling is finished each time, the inner pipe 2 needs to be taken out, and the joint 9 is connected with the flushing pipe to clean the inner pipe 2.
In a further preferred embodiment of the present invention, the first and second bar holes 3 and 4 are kidney-shaped holes.
In order to improve the operation visibility and convenience, the top of the outer tube 1 is provided with an L-shaped groove, the outer wall of the inner tube 2 is provided with a column 11 with the width consistent with that of the groove, the groove is formed by connecting a vertical groove 12 and a transverse groove 13, the upper end of the vertical groove 12 is an open end, and the radian of the transverse groove 13 is greater than that of the first strip-shaped hole 3;
when the column 11 is positioned in the vertical groove 12, the first strip-shaped hole 3 and the second strip-shaped hole 4 are not communicated;
when the cylinder 11 is located at a set position in the transverse groove 13, the first strip-shaped hole 3 and the second strip-shaped hole 4 are partially or completely overlapped.
For example, the curvature of the first strip-shaped aperture 3 is 10 °, the curvature of the transverse slot 13 is at least 20 °, preferably 30 °.
Preferably, the end of the outer tube 1 is hermetically connected with a conical head 14, and the conical head 14 is detachably connected to the end of the outer tube 1. The conical head 14 is connected to the outer tube 1 by means of a screw connection, which facilitates cleaning of the outer tube 1 by removing the conical head 14.
In this embodiment, the first seal ring 5 and the second seal ring 6 are both made of corrosion-resistant teflon material, and the first seal ring 5 and the second seal ring 6 are both made of corrosion-resistant teflon material. The polytetrafluoroethylene material has the advantages of corrosion resistance and small sliding resistance.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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 (8)
1. A non-contact fluid sampler comprises an outer pipe and an inner pipe inserted with the outer pipe; the tail end of the outer pipe is a closed end, and the outer pipe is characterized in that a plurality of first strip-shaped holes are formed in the outer pipe from top to bottom, and second strip-shaped holes corresponding to the first strip-shaped holes are formed in the inner pipe; the outer wall of the inner pipe is provided with a first sealing ring and a second sealing ring; the first sealing ring is fixedly arranged around the second strip-shaped holes, the second sealing ring is fixedly arranged around the outer wall of the inner pipe, and the second sealing ring is positioned between every two adjacent second strip-shaped holes.
2. The contactless fluid sampler of claim 1, wherein the top of the outer tube is provided with a first handle and the top of the inner tube is provided with a second handle.
3. The contactless fluid sampler of claim 1, wherein the bottom of the inner tube is a sealed end and the top of the inner tube is an open end; the top of the inner pipe is provided with a joint for connecting with an external flushing pipe, and the joint is provided with a valve.
4. The non-contact fluid sampler of claim 1, wherein the strip-shaped aperture is a kidney-shaped aperture.
5. The non-contact fluid sampler according to claim 1, wherein the top of the outer tube is provided with an L-shaped groove, the outer wall of the inner tube is provided with a column with the width consistent with that of the groove, the groove is formed by connecting a vertical groove and a transverse groove, the upper end of the vertical groove is an open end, and the radian of the transverse groove is greater than that of the first strip-shaped hole;
when the column is positioned in the vertical groove, the first strip-shaped hole and the second strip-shaped hole are not communicated;
when the cylinder is positioned at the set position in the transverse groove, the first strip-shaped hole and the second strip-shaped hole are partially or completely overlapped.
6. The contactless fluid sampler of claim 1 wherein the outer tube has a conical head sealingly attached to its end.
7. The contactless fluid sampler of claim 6, wherein the conical head is removably attached to the end of the outer tube.
8. The non-contact fluid sampler of any one of claims 1-7, wherein the first and second seals are corrosion resistant polytetrafluoroethylene seals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922020667.9U CN211205909U (en) | 2019-11-20 | 2019-11-20 | Non-contact fluid sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922020667.9U CN211205909U (en) | 2019-11-20 | 2019-11-20 | Non-contact fluid sampler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211205909U true CN211205909U (en) | 2020-08-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922020667.9U Active CN211205909U (en) | 2019-11-20 | 2019-11-20 | Non-contact fluid sampler |
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| Country | Link |
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| CN (1) | CN211205909U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111841679A (en) * | 2020-08-26 | 2020-10-30 | 四川省肿瘤医院 | Centrifuge tube with double-layer structure |
| CN116297099A (en) * | 2023-03-20 | 2023-06-23 | 无锡江炟建设工程质量检测有限公司 | Sponge urban rainwater infiltration detection device |
-
2019
- 2019-11-20 CN CN201922020667.9U patent/CN211205909U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111841679A (en) * | 2020-08-26 | 2020-10-30 | 四川省肿瘤医院 | Centrifuge tube with double-layer structure |
| CN116297099A (en) * | 2023-03-20 | 2023-06-23 | 无锡江炟建设工程质量检测有限公司 | Sponge urban rainwater infiltration detection device |
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