CN215574130U - Water sample filtering device - Google Patents
Water sample filtering device Download PDFInfo
- Publication number
- CN215574130U CN215574130U CN202121493312.2U CN202121493312U CN215574130U CN 215574130 U CN215574130 U CN 215574130U CN 202121493312 U CN202121493312 U CN 202121493312U CN 215574130 U CN215574130 U CN 215574130U
- Authority
- CN
- China
- Prior art keywords
- bottle body
- filter
- water sample
- bottle
- push
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses a water sample filtering device, which comprises a bottle cap, a first bottle body and a second bottle body; the first bottle body and the second bottle body are both in a cylindrical shape with a hollow interior and two open ends, and the bottom end of the first bottle body is detachably connected with the top end of the second bottle body; a filter tank is arranged in the first bottle body, a first through hole is formed in the filter tank, the filter tank is arranged at an opening at the upper end of the first bottle body, and filter paper is arranged in the filter tank; the second bottle body is internally provided with a filter plate, a piston and a push-pull rod from top to bottom in sequence, the filter plate is provided with a second through hole, and the filter plate is provided with a filter membrane. This water sample filter equipment is convenient for hand-carry when outdoor sampling, can accomplish fast after the sampling and filter the storage of carrying out the water sample again, has effectively avoided unable filtering in the certain time after the water sample collection, leads to sample holding time overlength data to take place the deviation, influences the problem of testing result accuracy.
Description
Technical Field
The utility model belongs to the technical field of water quality detection devices, and particularly relates to a water sample filtering device.
Background
When environmental protection monitoring and ecological resource monitoring are carried out, water sample collection and monitoring are indispensable steps. The water sample composition of gathering under the natural environment is comparatively complicated, still contains silt, phytoplankton etc. and the existence of these materials can cause the influence to the accuracy of water quality testing result, consequently need filter the water sample before detecting the water sample. The traditional method adopts a suction filter and a filter membrane for filtration, but the suction filter needs to be driven by a motor, so that the suction filter is not suitable for carrying suction filtration equipment for field suction filtration during field sampling, and a water sample can be placed and stored for a long time without being treated, so that the accuracy of finally obtained data is influenced.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the technical problems to be solved by the utility model are as follows: provides a water sample filtering device suitable for water sample filtration in the field.
In order to solve the technical problems, the utility model adopts the technical scheme that: the water sample filtering device comprises a bottle cap, a first bottle body and a second bottle body; the first bottle body and the second bottle body are both in a cylindrical shape with a hollow interior and two open ends, and the bottom end of the first bottle body is detachably connected with the top end of the second bottle body;
a filter tank is arranged in the first bottle body, a first through hole is formed in the filter tank, the filter tank is arranged at an opening at the upper end of the first bottle body, and filter paper is arranged in the filter tank;
the second bottle is internally provided with a filter plate, a piston and a push-pull rod from top to bottom in sequence, the filter plate is provided with a second through hole, and the filter plate is provided with a filter membrane.
The bottle cap comprises a bottle body, wherein the bottle body is provided with a first bottle body and a second bottle body, the first bottle body is provided with a first inner side wall, the second bottle body is provided with a second inner side wall, the first inner side wall is provided with a second inner side wall, the second inner side wall is provided with a second outer side wall, the second inner side wall is provided with a second inner side wall, the second inner side wall is provided with a second bottle body, the second bottle body is provided with a third bottle body, the second bottle body is provided with a bottle body, the second bottle body is provided with an inner side bottle body, the second bottle body is provided with an inner side wall and a bottle body, the lower portion and the inner side wall is provided with an inner side wall on the lower portion of the first bottle body, the lower portion of the first bottle body and the lower portion of the bottle body and the lower portion of the bottle body and the lower portion of the bottle body.
The cross section of the push-pull rod is T-shaped, and the narrow opening end of the push-pull rod is connected with the piston.
The push-pull rod comprises a connecting part and a handheld part, one end of the connecting part is connected with the piston, and the outer side wall of the other end of the connecting part is provided with an external thread; one end of the handheld portion is provided with a groove, and an internal thread is arranged in the groove.
And a sealing ring is arranged at one end of the piston connected with the push-pull rod.
The utility model has the beneficial effects that: the water sample filtering device provided by the utility model is convenient to carry about during outdoor sampling, can be directly used for storing a water sample, and can also be used for rapidly finishing filtering and then storing the water sample after sampling, thereby effectively avoiding the problem that the data are deviated due to overlong sample placing time and the accuracy of a test result is influenced because filtering cannot be carried out within a certain time after the water sample is collected.
Drawings
FIG. 1 is a cross-sectional view of a water sample filtration device according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a water sample filtering apparatus according to an embodiment of the present invention;
description of reference numerals: 1. a bottle cap;
2. a first bottle body; 21. a filter tank; 211. a first through hole;
3. a second bottle body; 31. a filter plate; 32. a piston; 33. a push-pull rod; 331. a connecting portion; 332. a hand-held portion.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1 to 2, the water sample filtering device of the present invention includes a bottle cap 1, a first bottle body 2 and a second bottle body 3; the first bottle body 2 and the second bottle body 3 are both in a cylindrical shape with a hollow interior and two open ends, and the bottom end of the first bottle body 2 is detachably connected with the top end of the second bottle body 3;
a filter tank 21 is arranged in the first bottle body 2, a first through hole 211 is arranged on the filter tank 21, the filter tank 21 is arranged at an opening at the upper end of the first bottle body 2, and filter paper is arranged in the filter tank 21;
the second bottle 3 is internally provided with a filter plate 31, a piston 32 and a push-pull rod 33 from top to bottom in sequence, the filter plate 31 is provided with a second through hole, and the filter plate 31 is provided with a filter membrane.
The working process of the utility model is as follows: the push-pull rod 33 is held by hand, the piston 32 is pushed to the position below the filter plate 31, then filter paper is laid in the filter tank 21, the filter membrane is placed on the filter plate 31, then the first bottle body 2 and the second bottle body 3 are connected (spliced), a water sample is poured into the filter tank 21, the filter paper is used for filtering silt and large floating plants, and the water sample can quickly flow out of the filter tank 21 due to the large aperture of the filter paper; after most of the water sample flows out of the filtering tank 21, the push-pull rod 33 is pulled, the piston 32 moves towards one side far away from the filtering plate 31, a space is formed between the piston 32 and the filtering plate 31, and a simple suction filtration device is formed at the same time, because the aperture of the filtering membrane is smaller than that of the filtering paper, the water sample primarily filtered by the filtering paper can be further filtered, the first bottle body 2 and the second bottle body 3 are separated after the filtering is finished, the filtering membrane is taken out, and the bottle cap 1 is arranged at the upper end of the second bottle body 3;
if the sampling time is short, the bottle cap 1 can be placed in the first bottle body 2 after centralized sampling, the sample is stored at the upper end of the first bottle body 2, and centralized filtering is performed after sampling is finished.
From the above description, the beneficial effects of the present invention are: the water sample filtering device provided by the utility model is convenient to carry about during outdoor sampling, can directly store a water sample in the first bottle body, can quickly finish filtering after sampling and then store the water sample in the second bottle body, can be carried during use, stores the filtered water sample in a common sampling bottle, cleans the water sample filtering device with pure water after each filtering, and lays and places new filter paper and filter membrane for secondary use; the water sample filtering device provided by the utility model effectively solves the problem that the accuracy of a test result is influenced due to the fact that data are deviated when the sample is placed for too long time because the outdoor water sample cannot be filtered within a certain time after being collected.
Further, all be equipped with the external screw thread on the lateral wall on the upper portion of first bottle 2 and the lateral wall on the upper portion of second bottle 3, all be equipped with the internal thread on the inside wall of the lower part of first bottle 2 and the inside wall of bottle lid 1.
As can be seen from the above description, by providing the internal and external threads, the cap can be covered on the upper end of the first bottle body when not in use, that is, the cap is screwed up by the external threads on the outer sidewall of the upper portion of the first bottle body and the internal threads on the inner sidewall of the cap, and then the lower portion of one bottle body is connected to the upper portion of the second bottle body, that is, the cap is screwed up by the internal threads on the inner sidewall of the lower portion of the first bottle body 2 and the external threads on the outer sidewall of the upper portion of the second bottle body; the carrying is convenient, and the fittings are not easy to lose;
if the water sample is stored after the filtration, the bottle cap can be covered at the upper end of the second bottle body, namely, the bottle cap is screwed down through the matching of the external thread on the outer side wall of the upper part of the second bottle body and the internal thread on the inner side wall of the bottle cap.
Furthermore, in order to conveniently carry the bottle after storing the sample and avoid losing the accessories, an external thread can be arranged on the outer side wall of the upper part of the bottle cap 1, and the bottom end of the first bottle body 2 is screwed and fixed above the bottle cap 1.
Further, the cross section of the push-pull rod 33 is T-shaped, and the narrow end of the push-pull rod 33 is connected with the piston 32.
As can be seen from the above description, the push-pull rod having a T-shaped cross section is easy to handle by hand.
Further, the push-pull rod 33 includes a connecting portion 321 and a handheld portion 332, one end of the connecting portion 321 is connected with the piston 32, and an external thread is disposed on an outer side wall of the other end; one end of the handheld portion 332 is provided with a groove, and an internal thread is arranged in the groove.
From the above description, because the back is pulled out to the push-and-pull rod, the vertical space of whole device occupies great, owing to the storage device capacity space that carries is limited during outdoor sampling, can dismantle after connecting the handheld portion of connecting rod through the mode of internal and external screw thread, and then reduces the occupation of the vertical space of whole device.
Further, a sealing ring is arranged at one end of the piston 32 connected with the push-pull rod 33.
From the above description, the sealing performance of the piston 32 to the bottom end of the second bottle 3 can be further improved by providing the sealing ring, so as to avoid the water sample dripping.
Example 1:
the water sample filtering device comprises a bottle cap 1, a first bottle body 2 and a second bottle body 3; the first bottle body 2 and the second bottle body 3 are both in a cylindrical shape with a hollow interior and two open ends, and the bottom end of the first bottle body 2 is detachably connected with the top end of the second bottle body 3;
a filter tank 21 is arranged in the first bottle body 2, a first through hole 211 is arranged on the filter tank 21, the filter tank 21 is arranged at an opening at the upper end of the first bottle body 2, and filter paper is arranged in the filter tank;
a filter plate 31, a piston 32 and a push-pull rod 33 are sequentially arranged in the second bottle body 3 from top to bottom, a second through hole is formed in the filter plate 31, and a filter membrane is placed on the filter plate 31;
the aperture of the filter paper is larger than that of the filter membrane.
Example 2:
the water sample filtering device comprises a bottle cap 1, a first bottle body 2 and a second bottle body 3; the first bottle body 2 and the second bottle body 3 are both in a cylindrical shape with a hollow interior and two open ends, and the bottom end of the first bottle body 2 is detachably connected with the top end of the second bottle body 3;
a filter tank 21 is arranged in the first bottle body 2, a first through hole 211 is arranged on the filter tank 21, the filter tank 21 is arranged at an opening at the upper end of the first bottle body 2, and filter paper is arranged in the filter tank;
a filter plate 31, a piston 32 and a push-pull rod 33 are sequentially arranged in the second bottle body 3 from top to bottom, a second through hole is formed in the filter plate 31, and a filter membrane is placed on the filter plate 31;
external threads are arranged on the outer side wall of the upper part of the first bottle body 2, the outer side wall of the upper part of the second bottle body 3 and the outer side wall of the upper part of the bottle cap 1, and internal threads are arranged on the inner side wall of the lower part of the first bottle body 2 and the inner side wall of the bottle cap 1;
the cross section of the push-pull rod 33 is T-shaped, and the narrow-end of the push-pull rod 33 is connected with the piston 32;
and a sealing ring is arranged at one end of the piston 32 connected with the push-pull rod 33.
Example 3:
the water sample filtering device comprises a bottle cap 1, a first bottle body 2 and a second bottle body 3; the first bottle body 2 and the second bottle body 3 are both in a cylindrical shape with a hollow interior and two open ends, and the bottom end of the first bottle body 2 is detachably connected with the top end of the second bottle body 3;
a filter tank 21 is arranged in the first bottle body 2, a first through hole 211 is arranged on the filter tank 21, the filter tank 21 is arranged at an opening at the upper end of the first bottle body 2, and filter paper is arranged in the filter tank;
a filter plate 31, a piston 32 and a push-pull rod 33 are sequentially arranged in the second bottle body 3 from top to bottom, a second through hole is formed in the filter plate 31, and a filter membrane is placed on the filter plate 31;
the outer side walls of the upper parts of the first bottle body 2 and the second bottle body 3 are respectively provided with a first external thread, the lower part of the first bottle body 2 and the inner side wall of the bottle cap 1 are respectively provided with a first internal thread, and the first external thread is matched with the first internal thread;
the push-pull rod 33 comprises a connecting part 321 and a handheld part 332, one end of the connecting part 321 is connected with the piston 32, and the outer side wall of the other end is provided with a second external thread; the cross section of the handheld part 332 is T-shaped, a groove is formed in a narrow opening of the handheld part 332, a second internal thread is arranged in the groove, and the second external thread is matched with the second internal thread;
a sealing ring is arranged at one end of the piston 32 connected with the push-pull rod 33;
the material of first bottle 2 and second bottle 3 is transparent resin, be equipped with the scale on the lateral wall of second bottle 3.
In conclusion, the water sample filtering device provided by the utility model is convenient to carry about during outdoor sampling, can be directly used for storing a water sample, and can also be used for rapidly finishing filtering and then storing the water sample after sampling, so that the problems that the sample cannot be filtered within a certain time after the water sample is collected, the sample storage time is too long and the sample is deteriorated, the data is deviated, and the accuracy of a test result is influenced are effectively solved; meanwhile, the water sample filtering device can be used for filtering and storing a water sample for many times after the filter paper and the filter membrane are replaced and the water sample is simply cleaned, is a non-disposable article, and is environment-friendly and durable.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (5)
1. The water sample filtering device is characterized by comprising a bottle cap, a first bottle body and a second bottle body; the first bottle body and the second bottle body are both in a cylindrical shape with a hollow interior and two open ends, and the bottom end of the first bottle body is detachably connected with the top end of the second bottle body;
a filter tank is arranged in the first bottle body, a first through hole is formed in the filter tank, the filter tank is arranged at an opening at the upper end of the first bottle body, and filter paper is arranged in the filter tank;
the second bottle is internally provided with a filter plate, a piston and a push-pull rod from top to bottom in sequence, the filter plate is provided with a second through hole, and the filter plate is provided with a filter membrane.
2. The water sample filtering device as claimed in claim 1, wherein the outer side walls of the upper part of the first bottle body and the upper part of the second bottle body are provided with external threads, and the inner side walls of the lower part of the first bottle body and the bottle cap are provided with internal threads.
3. The water sample filtering device according to claim 1, wherein the cross section of the push-pull rod is T-shaped, and the narrow end of the push-pull rod is connected with the piston.
4. The water sample filtering device according to claim 1, wherein the push-pull rod comprises a connecting part and a handheld part, one end of the connecting part is connected with the piston, and the outer side wall of the other end of the connecting part is provided with an external thread; one end of the handheld portion is provided with a groove, and an internal thread is arranged in the groove.
5. The water sample filtering device according to claim 1, wherein a sealing ring is arranged at one end of the piston connected with the push-pull rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121493312.2U CN215574130U (en) | 2021-07-02 | 2021-07-02 | Water sample filtering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121493312.2U CN215574130U (en) | 2021-07-02 | 2021-07-02 | Water sample filtering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215574130U true CN215574130U (en) | 2022-01-18 |
Family
ID=79822817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121493312.2U Active CN215574130U (en) | 2021-07-02 | 2021-07-02 | Water sample filtering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215574130U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115465922A (en) * | 2022-10-19 | 2022-12-13 | 江苏海洋大学 | Portable manual on-spot sea water collection filter equipment |
-
2021
- 2021-07-02 CN CN202121493312.2U patent/CN215574130U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115465922A (en) * | 2022-10-19 | 2022-12-13 | 江苏海洋大学 | Portable manual on-spot sea water collection filter equipment |
| CN115465922B (en) * | 2022-10-19 | 2023-08-04 | 江苏海洋大学 | Portable manual on-site seawater collecting and filtering device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215574130U (en) | Water sample filtering device | |
| CN113218707A (en) | A sewage sampling device for environmental monitoring | |
| CN212964203U (en) | Detection device for environmental water quality | |
| CN206987807U (en) | A kind of Portable deep soil layering sampling apparatus | |
| CN209043654U (en) | A kind of liquid sampling bucket to be checked | |
| CN213689068U (en) | Water quality sampler for environmental monitoring | |
| CN212275296U (en) | A sewage sampling device for sewage detection | |
| CN210063954U (en) | Fluorescent probe box for mercury ion detection | |
| CN210071416U (en) | Sample storage device based on environment detection | |
| CN206730614U (en) | Water quality detection filter | |
| CN114383904A (en) | Geological experiment tests mineral products sample with acidification device | |
| CN207816631U (en) | Overlying water and sediment interstitial water one harvester | |
| CN207680640U (en) | A kind of sampling sample adding device | |
| CN214931840U (en) | Water quality sample collecting and storing device | |
| CN207832482U (en) | It is a kind of portable and can continuous sampling Soil K+adsorption with combination storage device | |
| CN205314992U (en) | Portable soil sampler | |
| CN207570819U (en) | A kind of sampling sample adding device | |
| CN212807681U (en) | Concrete strength detects uses sampling device | |
| CN214096705U (en) | Water quality sampling device is administered to water environment | |
| CN206410830U (en) | Gas leak detection device for automotive connector | |
| CN216063345U (en) | Glass instrument containing device for analytical chemistry laboratory | |
| CN220001815U (en) | Portable sampling mechanism and novel sampling suit | |
| CN219161717U (en) | Liquid dispenser for liquid food detection | |
| CN214604224U (en) | Combined training platform for mechanical design | |
| CN215218160U (en) | Water quality testing sampling equipment for environmental monitoring |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |