CN108801691A - A kind of water body environment sampler - Google Patents
A kind of water body environment sampler Download PDFInfo
- Publication number
- CN108801691A CN108801691A CN201810474072.8A CN201810474072A CN108801691A CN 108801691 A CN108801691 A CN 108801691A CN 201810474072 A CN201810474072 A CN 201810474072A CN 108801691 A CN108801691 A CN 108801691A
- Authority
- CN
- China
- Prior art keywords
- water
- inlet pipe
- installs case
- water inlet
- mounting base
- 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.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 101
- 238000009434 installation Methods 0.000 claims abstract description 23
- 239000003651 drinking water Substances 0.000 claims description 13
- 235000020188 drinking water Nutrition 0.000 claims description 13
- 239000003292 glue Substances 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 7
- 238000005070 sampling Methods 0.000 abstract description 7
- 230000000116 mitigating effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The invention discloses a kind of water body environment samplers, including mounting base, symmetrically there are two electronic struts for fixed installation for the top of the mounting base, the top of the mounting base is equipped with installs case, the two described one end of electronic strut far from mounting base be fixedly connected below installs case, installation cavity is equipped in the installs case, it is installed with water pump on inner wall above the installation cavity, it is connected with outlet pipe below the water pump, the side of the water pump is connected with water inlet pipe, the outlet pipe and water inlet pipe are connected to water pump, the first opening for covering connected water outlet pipe is offered below the installs case, the installs case offers the second opening for being socketed water inlet pipe close to the side of water inlet pipe.The configuration of the present invention is simple, it is easy to operate, the danger manually fetched water is not only avoided, while also mitigating the labor intensity of sampling personnel, advantageously ensures that the quality and accuracy of detection.
Description
Technical field
The present invention relates to water body detection technique field more particularly to a kind of water body environment samplers.
Background technology
Water quality detection is type, the concentration and variation tendency of each pollutant for measuring pollutant in water body, evaluating water quality
The process of situation.
In the water quality detection of large-scale lake and reservoir, need that lake surface is divided into grid at a certain distance, then divide functional areas into
Row grid water quality monitoring.
Existing water sampling unit by ship and is manually thrown sampler into water by staff, is used in combination hand that will take
Sampling device, which retracts, fetches water, and this water-supply method is not only troublesome, while labor intensity is larger, by ship during be easy to because
It for firmly uncomfortable disequilibrium, falls in the water and causes danger, and the impurity effect detection of many lake surfaces may be taken out, therefore
There is an urgent need for design a kind of water body environment sampler.
Invention content
The purpose of the present invention is to solve disadvantages existing in the prior art, such as：Existing water sampling unit passes through
Staff takes the ship and manually throws sampler into water, is used in combination hand to retract sampler and fetches water, this water intaking side
Formula is not only troublesome, while labor intensity is larger, is easy to, because exerting oneself uncomfortable disequilibrium, fall in the water and make during by ship
At danger, and the impurity effect detection of many lake surfaces may be taken out.
To achieve the goals above, present invention employs following technical solutions：A kind of water body environment sampling dress of the present invention
It sets, including mounting base, symmetrically there are two electronic struts for fixed installation for the top of the mounting base, and the top of the mounting base is equipped with
Installs case, the two described one end of electronic strut far from mounting base be fixedly connected below installs case, in the installs case
Equipped with installation cavity, it is installed with water pump on the inner wall above the installation cavity, outlet pipe, institute are connected with below the water pump
The side for stating water pump is connected with water inlet pipe, and the outlet pipe and water inlet pipe are connected to water pump, are opened up below the installs case
It is useful for the first opening of set connected water outlet pipe, the installs case offers for being socketed water inlet pipe close to the side of water inlet pipe
Two openings, first opening and the second opening are connected to installation cavity, and the one end of the outlet pipe far from water pump passes through first
Opening extends to the lower section of installs case, and placement ware is placed with above the mounting base, and the placement ware is equipped with for being socketed
The sliding slot of outlet pipe, the water inlet pipe pass through the second opening to extend to outside installs case far from water pump, the extension of the water inlet pipe
End is threaded with filter, and side of the filter far from water inlet pipe is threaded with drinking-water pipe, is set in the filter
There are placed cavity, the placed cavity to be connected to water inlet pipe and drinking-water pipe, the top of the filter is equipped with to be connected to placed cavity
Socket is inserted with filter plate in the socket, and the side below the filter plate is located in placed cavity, above the filter plate
Side is fixedly connected with push plate, and the push plate is fixedly mounted on the top of filter by two the first bolts.
Preferably, the lower section of the push plate is symmetrically fixedly mounted there are two gasket, and filling glue is equipped in the socket.
Preferably, one section below the filter plate is fixedly connected with inserted block, and the placed cavity bottom is equipped with for being socketed
The slot of inserted block, there are two spring, the opposite one end of two springs for symmetrical fixed installation on the inner wall of the slot
It is fixedly connected with fixture block, two fixture blocks offset with the both sides of inserted block respectively, and is installed with below the inserted block
The first magnetic sheet for being useful for the second magnetic sheet of cooperation is fixedly mounted in two magnetic sheets, the bottom of the slot.
Preferably, it is installed with fixed ring on the inner wall below the installation cavity, offers and is used in the fixed ring
It is fixedly connected with the limited mouth of outlet pipe.
Preferably, it symmetrically opens up in the mounting base there are two screw thread mouth, is threaded in two screw thread mouths
Second bolt.
Compared with prior art, the beneficial effects of the invention are as follows：The present invention passes through water pump, outlet pipe, placement ware, electronic support
While bar, water inlet pipe, filter, drinking-water pipe realize automatically taking water, by push plate, the first bolt, inserted block, slot, spring,
Fixture block, the second magnetic sheet and filter realize the fixed installation of filter plate, to be filtered to the rubbish etc. of the water surface, by close
Packing, filling glue improve the sealing performance of push plate, simple in structure, easy to operate, not only avoid the danger manually fetched water, together
When also mitigate the labor intensity of sampling personnel, advantageously ensure that the quality and accuracy of detection.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of water body environment sampler inner section proposed by the present invention；
Fig. 2 is structural schematic diagram at the A of Fig. 1；
Fig. 3 is structural schematic diagram at the B of Fig. 2；
Fig. 4 is structural schematic diagram at the C of Fig. 2.
In figure：Ware, 5 installs cases, 6 water pumps, 7 outlet pipes, 8 fixations are placed in 1 mounting base, 2 electronic struts, 3 second bolts, 4
Ring, 9 drinking-water pipes, 10 water inlet pipes, 11 filters, 12 filter plates, 13 push plates, 14 gaskets, 15 first bolts, 16 filling glue, 17
Slot, 18 springs, 19 first magnetic sheets, 20 second magnetic sheets, 21 inserted blocks, 22 fixture blocks.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
In the description of the present invention, it is to be understood that, term "upper", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For convenience of description of the present invention and simplification of the description, specific side must be had by not indicating or implying the indicated device or element
Position, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
As shown in Figs 1-4, a kind of water body environment sampler of the invention, including mounting base 1 are symmetrically opened in mounting base 1
If there are two screw thread mouth, it is threaded with the second bolt 3 in two screw thread mouths, is fixed device by two the second bolts 3
Installation is aboard ship；The top of mounting base 1 is symmetrically fixedly mounted there are two electronic strut 2, and the top of mounting base 1 is equipped with installs case 5,
Two one end of electronic strut 2 far from mounting base 1 are fixedly connected with the lower section of installs case 5.
It is equipped with installation cavity in installs case 5, water pump 6, the lower section connection of water pump 6 are installed on the inner wall above installation cavity
There are outlet pipe 7, the side of water pump 6 to be connected with water inlet pipe 10, outlet pipe 7 and water inlet pipe 10 are connected to water pump 6, installs case 5
Lower section offers the first opening for covering connected water outlet pipe 7, and installs case 5 is offered close to the side of water inlet pipe 10 and tapped into for covering
Second opening of water pipe 10, the first opening and the second opening are connected to installation cavity.
The one end of outlet pipe 7 far from water pump 6 passes through first to be open and extends to the lower section of installs case 5, interior below installation cavity
It is installed with fixed ring 8 on wall, the limited mouth for being fixedly connected with outlet pipe 7 is offered in fixed ring 8, passes through fixed ring 8
Promote the stability of the installation of outlet pipe 7.
The top of mounting base 1, which is placed with, places ware 4, places ware 4 equipped with the sliding slot for covering connected water outlet pipe 7, water inlet pipe
10 pass through the second opening to extend to outside installs case 5 far from water pump 6, and the elongated end of water inlet pipe 10 is threaded with filter 11,
Side of the filter 11 far from water inlet pipe 10 is threaded with drinking-water pipe 9, and drinking-water pipe 9 is L-type pipe, is equipped with and places in filter 11
Chamber, placed cavity are connected to water inlet pipe 10 and drinking-water pipe 9.
The top of filter 11 is equipped with the socket that is connected to placed cavity, is inserted with filter plate 12 in socket, under filter plate 12
The side of side is located in placed cavity, and the side of 12 top of filter plate is fixedly connected with push plate 13, and push plate 13 passes through two the first spiral shells
Bolt 15 is fixedly mounted on the top of filter 11, and the lower section of push plate 13 is symmetrically fixedly mounted there are two gasket 14, and socket is interior to pacify
Equipped with filling glue 16, the sealing performance of filter 11 is improved by gasket 14 and filling glue 16.
One section of 12 lower section of filter plate is fixedly connected with inserted block 21, and placed cavity bottom is equipped with the slot for being socketed inserted block 21
17, there are two springs 18 for symmetrical fixed installation on the inner wall of slot 17, and two opposite one end of spring 18 are fixedly connected with
There are fixture block 22, both sides of two fixture blocks 22 respectively with inserted block 21 to offset, the lower section of inserted block 21 is installed with the second magnetic sheet 20, inserts
The first magnetic sheet 19 for being useful for the second magnetic sheet 20 of cooperation is fixedly mounted in the bottom of slot 17, by the way that inserted block 21 is inserted into slot 17, matches
It closes spring 18 and fixture block 22 to clamp inserted block 21, centainly steady is provided by the way that the magnetic force of the second magnetic sheet 20 and the first magnetic sheet 19 is attracting
It is qualitative.
In the present invention, when user uses the device, whole device is fixedly mounted aboard ship by the second bolt 3, row
When sailing in lake, first shrink two electronic struts 2 so that 5 slide downward of installs case, outlet pipe 7 slide up along sliding slot
Dynamic, drinking-water pipe 9 is gradually inserted the water surface at this time, opens water pump 6 at this time, and drinking-water pipe 9 is driven to draw water, and the water of extraction is by filtering
It is sent into outlet pipe 7, then send to placing in ware 4 after the large-scale impurity of filtration removal of filter plate 12 in device 11, sampling is completed
Afterwards, it switches off the pump 6, controls two water pumps 6 and extend, drinking-water pipe 9 is detached from the water surface at this time, then will be drawn water by rotating drinking-water pipe 9
Pipe 9 is dismantled, and when needing to clear up filter plate 12, screws out two the first bolts 15, and filter plate 12 is directly extracted to cleaning and is
Can, water pump 6 can be caused to damage to avoid large-scale impurity, to extend the service life of water pump 6.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (5)
1. a kind of water body environment sampler, including mounting base（1）, which is characterized in that the mounting base（1）Top it is symmetrically solid
There are two electronic struts for Dingan County's dress（2）, the mounting base（1）Top be equipped with installs case（5）, two electronic struts（2）
Far from mounting base（1）One end and installs case（5）Lower section be fixedly connected, the installs case（5）It is interior be equipped with installation cavity, it is described
It is installed with water pump on inner wall above installation cavity（6）, the water pump（6）Lower section be connected with outlet pipe（7）, the water pump
（6）Side be connected with water inlet pipe（10）, the outlet pipe（7）And water inlet pipe（10）And water pump（6）Connection, the installs case
（5）Lower section offer for covering connected water outlet pipe（7）First opening, the installs case（5）Close to water inlet pipe（10）Side
It offers for being socketed water inlet pipe（10）Second opening, it is described first opening and second be open be connected to installation cavity, it is described
Outlet pipe（7）Far from water pump（6）One end pass through first opening extend to installs case（5）Lower section, the mounting base（1）It is upper
Side is placed with placement ware（4）, the placement ware（4）It is equipped with for covering connected water outlet pipe（7）Sliding slot, the water inlet pipe（10）Far
From water pump（6）Pass through second opening extend to installs case（5）Outside, the water inlet pipe（10）Elongated end be threaded with filtering
Device（11）, the filter（11）Far from water inlet pipe（10）Side be threaded with drinking-water pipe（9）, the filter（11）It is interior
Equipped with placed cavity, the placed cavity and water inlet pipe（10）And drinking-water pipe（9）It is connected to, the filter（11）Top be equipped with
The socket of placed cavity connection, is inserted with filter plate in the socket（12）, the filter plate（12）The side of lower section, which is located at, places
Intracavitary, the filter plate（12）The side of top is fixedly connected with push plate（13）, the push plate（13）Pass through two the first bolts
（15）It is fixedly mounted on filter（11）Top.
2. a kind of water body environment sampler according to claim 1, which is characterized in that the push plate（13）Lower section it is right
Claiming fixed installation, there are two gaskets（14）, filling glue is installed in the socket（16）.
3. a kind of water body environment sampler according to claim 1, which is characterized in that the filter plate（12）Lower section
One section is fixedly connected with inserted block（21）, the placed cavity bottom is equipped with for being socketed inserted block（21）Slot（17）, the slot
（17）Inner wall on symmetrical fixed installation there are two spring（18）, two springs（18）Opposite one end is fixed to be connected
It is connected to fixture block（22）, two fixture blocks（22）Respectively with inserted block（21）Both sides offset, the inserted block（21）Lower section fix
Second magnetic sheet is installed（20）, the slot（17）Bottom be fixedly mounted be useful for cooperation the second magnetic sheet（20）The first magnetic sheet
（19）.
4. a kind of water body environment sampler according to claim 1, which is characterized in that the inner wall below the installation cavity
On be installed with fixed ring（8）, the fixed ring（8）On offer for being fixedly connected with outlet pipe（7）Limited mouth.
5. a kind of water body environment sampler according to claim 1, which is characterized in that the mounting base（1）It is upper symmetrical
It opens up there are two screw thread mouth, the second bolt is threaded in two screw thread mouths（3）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810474072.8A CN108801691A (en) | 2018-05-17 | 2018-05-17 | A kind of water body environment sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810474072.8A CN108801691A (en) | 2018-05-17 | 2018-05-17 | A kind of water body environment sampler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108801691A true CN108801691A (en) | 2018-11-13 |
Family
ID=64092637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810474072.8A Pending CN108801691A (en) | 2018-05-17 | 2018-05-17 | A kind of water body environment sampler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108801691A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109628288A (en) * | 2019-02-24 | 2019-04-16 | 合肥职业技术学院 | Microbiological sampler in a kind of water |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204298892U (en) * | 2014-12-12 | 2015-04-29 | 吕秀梅 | A kind of water purification automatic control water supply installation |
| CN204315133U (en) * | 2014-12-29 | 2015-05-06 | 齐齐哈尔大学 | The Graphic Panel that a kind of human resource management teaching uses |
| KR20150065413A (en) * | 2013-12-05 | 2015-06-15 | 어영상 | Units for automatic measuring quality of water |
| CN205483654U (en) * | 2016-01-26 | 2016-08-17 | 山西大同大学 | Water treatment sampling analysis system |
| CN205593799U (en) * | 2016-05-18 | 2016-09-21 | 孔桂芹 | Water quality sampling detection device |
| CN107224810A (en) * | 2016-11-16 | 2017-10-03 | 重庆市鸦屿陶瓷有限公司 | A kind of Production of Ceramics ventilation unit |
| CN107445336A (en) * | 2017-08-19 | 2017-12-08 | 王锐 | A kind of environment protection sewage purifying robot |
| CN206930483U (en) * | 2017-07-13 | 2018-01-26 | 陈铁 | Environment monitoring Sewage Sampler |
| CN107884540A (en) * | 2017-12-19 | 2018-04-06 | 苏州市瑞川尔自动化设备有限公司 | Sampling of water quality detection means is used in a kind of environmental protection |
| CN207232105U (en) * | 2017-10-12 | 2018-04-13 | 浙江水知音检测有限公司 | Benzene homologues content testing device in urban river water |
| CN207248558U (en) * | 2017-05-28 | 2018-04-17 | 盐城大丰尊一环保科技有限公司 | A kind of water quality sampling device |
| CN107991140A (en) * | 2018-01-14 | 2018-05-04 | 禹伟 | A kind of field liquid samples cart automatically |
| CN207318479U (en) * | 2017-06-13 | 2018-05-04 | 何珠贞 | A kind of salinity monitoring device used for aquiculture |
| CN208140416U (en) * | 2018-05-17 | 2018-11-23 | 江苏和合水环境有限公司 | A kind of water body environment sampler |
-
2018
- 2018-05-17 CN CN201810474072.8A patent/CN108801691A/en active Pending
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20150065413A (en) * | 2013-12-05 | 2015-06-15 | 어영상 | Units for automatic measuring quality of water |
| CN204298892U (en) * | 2014-12-12 | 2015-04-29 | 吕秀梅 | A kind of water purification automatic control water supply installation |
| CN204315133U (en) * | 2014-12-29 | 2015-05-06 | 齐齐哈尔大学 | The Graphic Panel that a kind of human resource management teaching uses |
| CN205483654U (en) * | 2016-01-26 | 2016-08-17 | 山西大同大学 | Water treatment sampling analysis system |
| CN205593799U (en) * | 2016-05-18 | 2016-09-21 | 孔桂芹 | Water quality sampling detection device |
| CN107224810A (en) * | 2016-11-16 | 2017-10-03 | 重庆市鸦屿陶瓷有限公司 | A kind of Production of Ceramics ventilation unit |
| CN207248558U (en) * | 2017-05-28 | 2018-04-17 | 盐城大丰尊一环保科技有限公司 | A kind of water quality sampling device |
| CN207318479U (en) * | 2017-06-13 | 2018-05-04 | 何珠贞 | A kind of salinity monitoring device used for aquiculture |
| CN206930483U (en) * | 2017-07-13 | 2018-01-26 | 陈铁 | Environment monitoring Sewage Sampler |
| CN107445336A (en) * | 2017-08-19 | 2017-12-08 | 王锐 | A kind of environment protection sewage purifying robot |
| CN207232105U (en) * | 2017-10-12 | 2018-04-13 | 浙江水知音检测有限公司 | Benzene homologues content testing device in urban river water |
| CN107884540A (en) * | 2017-12-19 | 2018-04-06 | 苏州市瑞川尔自动化设备有限公司 | Sampling of water quality detection means is used in a kind of environmental protection |
| CN107991140A (en) * | 2018-01-14 | 2018-05-04 | 禹伟 | A kind of field liquid samples cart automatically |
| CN208140416U (en) * | 2018-05-17 | 2018-11-23 | 江苏和合水环境有限公司 | A kind of water body environment sampler |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109628288A (en) * | 2019-02-24 | 2019-04-16 | 合肥职业技术学院 | Microbiological sampler in a kind of water |
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