CN213902968U - Shallow groundwater sampling device for preventing groundwater from flowing back - Google Patents
Shallow groundwater sampling device for preventing groundwater from flowing back Download PDFInfo
- Publication number
- CN213902968U CN213902968U CN202023110767.XU CN202023110767U CN213902968U CN 213902968 U CN213902968 U CN 213902968U CN 202023110767 U CN202023110767 U CN 202023110767U CN 213902968 U CN213902968 U CN 213902968U
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- Prior art keywords
- groundwater
- shell main
- sampling device
- main part
- shallow
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- Expired - Fee Related
Links
- 239000003673 groundwater Substances 0.000 title claims abstract description 85
- 238000005070 sampling Methods 0.000 title claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 39
- 238000007789 sealing Methods 0.000 claims description 29
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract description 14
- 235000017491 Bambusa tulda Nutrition 0.000 abstract description 14
- 241001330002 Bambuseae Species 0.000 abstract description 14
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract description 14
- 239000011425 bamboo Substances 0.000 abstract description 14
- 238000000034 method Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a shallow groundwater sampling device who prevents groundwater backward flow, including the shell main part, a groundwater storage section of thick bamboo has been placed to embedded the closing of shell main part, and the upper end of a groundwater storage section of thick bamboo is connected with sealed lid, the upper end screw connection of shell main part has fixed lid, and sets up annular removal logical groove on the fixed lid, set up annular place the groove in the shell main part, and place the embedded annular breakwater that has closed in the groove, half of breakwater is curved filter screen structure, and breakwater upper end fixedly connected with runs through the action bars that remove logical groove, set up the inlet opening that corresponds the position on shell main part and the groundwater storage section of thick bamboo, and the inlet opening distributes in one side of a shell main part and a groundwater storage section of thick bamboo along arc structure. This prevent shallow groundwater sampling device of groundwater backward flow is equipped with the breakwater that can shelter from the inlet opening, can be fine in the sample in-process prevent groundwater backward flow.
Description
Technical Field
The utility model relates to a groundwater sampling device technical field specifically is a shallow layer groundwater sampling device who prevents groundwater reflux.
Background
Shallow groundwater refers to the aquifer within 60 meters below the surface of the earth. Because the water body is buried shallow and is not filtered by deep rock, the water body is easily polluted by sewage discharged by factories and pesticide remained in farmlands, and the health is harmed when the shallow polluted underground water is drunk, the shallow underground water needs to be sampled and investigated in ordinary water quality investigation.
The phenomenon of groundwater backward flow easily takes place when current groundwater sampling device is taking a sample, influences the process of sample.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a prevent shallow groundwater sampling device of groundwater backward flow to solve the problem of the phenomenon that groundwater backward flow takes place easily in the current groundwater sampling device who proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a shallow groundwater sampling device who prevents groundwater backward flow, includes the shell main part, a groundwater storage section of thick bamboo has been placed to embedded the closing of shell main part, and the upper end of a groundwater storage section of thick bamboo is connected with sealed lid, the upper end screwed connection of shell main part has fixed lid, and sets up annular removal through groove on the fixed lid, set up annular on the shell main part and place the groove, and place and embed annular breakwater in the groove, half of breakwater is curved filter screen structure, and breakwater upper end fixedly connected with runs through the action bars that remove through groove, set up the inlet opening that corresponds the position on shell main part and the groundwater storage section of thick bamboo, and the inlet opening distributes in one side of a shell main part and a groundwater storage section of thick bamboo along arc structure.
Preferably, the locating slot has been seted up to the inside lower extreme of housing main body, and the axis that the locating slot is located vertical direction coincides with the axis that housing main body is located vertical direction.
Preferably, the lower end of the underground water storage cylinder is provided with a positioning block, the horizontal section of the positioning block is of a rectangular structure, and the overall dimension of the positioning block is matched with that of the positioning groove.
Preferably, the fixed cover is fixedly connected with a control column, and the control column is located in the middle of the fixed cover.
Preferably, the sealing cover is of an inverted T-shaped structure, a sealing gasket is bonded to the lower end of the sealing cover, and the sealing gasket is made of rubber.
Preferably, the lower end of the sealing cover is provided with a fixing block, and the fixing block is in threaded connection with the underground water storage cylinder.
Preferably, the water inlet hole is of a downward inclined structure, and the inclined direction is from outside to inside.
Compared with the prior art, the beneficial effects of the utility model are that: this prevent shallow groundwater sampling device of groundwater backward flow is equipped with the breakwater that can shelter from the inlet opening, can be fine in the sample in-process prevent groundwater backward flow. This prevent shallow groundwater sampling device of groundwater backward flow is equipped with rotatable breakwater, and breakwater generally comprises the filter screen, when taking a sample, can aim at the inlet opening with the filter screen part of breakwater, makes things convenient for groundwater to enter into a groundwater storage section of thick bamboo, and after the sample, rotatable breakwater shelters from the inlet opening, and groundwater backward flow in the groundwater storage section of thick bamboo that prevents that can be fine can improve the work efficiency of sample.
Drawings
FIG. 1 is a schematic structural view of a shallow groundwater sampling device for preventing backflow of groundwater according to the present invention;
FIG. 2 is a schematic view of the top view of the housing main body of the shallow groundwater sampling device for preventing backflow of groundwater according to the present invention;
FIG. 3 is a schematic cross-sectional view taken along line A-A in FIG. 2 of the shallow groundwater sampling device for preventing backflow of groundwater according to the present invention;
FIG. 4 is a schematic view of a sealing cover structure of a shallow groundwater sampling device for preventing backflow of groundwater according to the present invention;
FIG. 5 is a schematic top view of a groundwater storage cylinder of a shallow groundwater sampling device for preventing backflow of groundwater according to the present invention;
fig. 6 is a schematic view of the overlooking structure of the fixing cover in the shallow groundwater sampling device for preventing groundwater from flowing back according to the present invention.
In the figure: 1. the water storage tank comprises a shell main body, 2, a groundwater storage cylinder, 3, a fixed cover, 4, an operating rod, 5, a control column, 6, a sealing cover, 7, a water inlet hole, 8, a positioning groove, 9, a positioning block, 10, a placement groove, 11, a water baffle, 12, a fixing block, 13, a sealing gasket, 14 and a movable through groove.
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.
Referring to fig. 1-6, the present invention provides a technical solution: a shallow groundwater sampling device for preventing groundwater backflow comprises a shell main body 1, a groundwater storage cylinder 2 is placed in the shell main body 1 in a matched mode, a sealing cover 6 is connected to the upper end of the groundwater storage cylinder 2, the sealing cover 6 is of an inverted T-shaped structure, a sealing gasket 13 is adhered to the lower end of the sealing cover 6, the sealing gasket 13 is made of rubber, a fixing block 12 is arranged at the lower end of the sealing cover 6, the fixing block 12 is in threaded connection with the groundwater storage cylinder 2, the connection between the groundwater storage cylinder 2 and the sealing cover 6 is firmer through a threaded structure between the fixing block 12 and the groundwater storage cylinder 2, the groundwater storage cylinder 2 can be conveniently taken out of the shell main body 1 through the sealing cover 6 of the inverted T-shaped structure, the sealing gasket 13 at the lower end of the sealing cover 6 can play a good sealing role, and a fixing cover 3 is spirally connected to the upper end of the shell main body 1, an annular moving through groove 14 is formed in the fixed cover 3, an annular placing groove 10 is formed in the shell main body 1, an annular water baffle 11 is embedded in the placing groove 10, one half of the water baffle 11 is of an arc-shaped filter screen structure, an operating rod 4 penetrating through the moving through groove 14 is fixedly connected to the upper end of the water baffle 11, water inlet holes 7 corresponding to the positions of the shell main body 1 and the underground water storage cylinder 2 are formed in the shell main body 1 and the underground water storage cylinder 2, the water inlet holes 7 are of a downward-inclined structure, the inclination direction is from outside to inside, the structure can prevent the underground water storage cylinder 2 from flowing out of the water inlet holes 7, a control column 5 is fixedly connected to the fixed cover 3, the control column 5 is located in the middle of the fixed cover 3, the structure can control sampling work of the shell main body 1 through the control column 5, and can enable the shell main body 1 to be stressed uniformly, the phenomenon of slope can not make shell subject 1 appear, prevent that the inside water of a groundwater storage section of thick bamboo 2 from spilling over from inlet opening 7, locating slot 8 has been seted up to the inside lower extreme of shell subject 1, and the axis that locating slot 8 is located vertical direction coincides with the axis that shell subject 1 is located vertical direction, the lower extreme of a groundwater storage section of thick bamboo 2 is provided with locating piece 9, and the horizontal cross-section of locating piece 9 is the rectangle structure, and the overall dimension of locating piece 9 is identical with the overall dimension of locating slot 8, this structure can make locating piece 9 and 8 accessible gomphosis structures of locating slot play the effect of a location groundwater storage section of thick bamboo 2, can make inlet opening 7 on a groundwater storage section of thick bamboo 2 and inlet opening 7 on the shell subject 1 can correspond fast, reduce the required adjust time that inlet opening 7 aligns.
The working principle is as follows: when the shallow groundwater sampling device for preventing groundwater backflow is used, firstly, the sealing cover 6 is in spiral connection with the groundwater storage cylinder 2 through the fixing block 12, the sealing gasket 13 on the sealing cover 6 can play a good sealing role, the position of the water inlet 7 on the groundwater storage cylinder 2 corresponds to the position of the water inlet 7 on the shell main body 1, then the groundwater storage cylinder 2 is downwards embedded in the shell main body 1, the position of the groundwater storage cylinder 2 is positioned through the embedding structure between the positioning block 9 and the positioning groove 8, then the water baffle 11 is placed in the placing groove 10 in the shell main body 1, the filter screen part on the water baffle 11 is aligned with the water inlet 7 through the rotation of the water baffle 11 by the operating rod 4, then the fixing cover 3 is in spiral connection with the upper end of the shell main body 1, the operating rod 4 on the water baffle 11 extends out of the moving through groove 14, the shell main body 1 extends into the sampling hole through the control column 5, the inside groundwater accessible shell main part 1 of thief hole enters into groundwater storage cylinder 2 with inlet opening 7 of 2 one sides of groundwater storage cylinder, some impurity of aquatic can be filtered to the filter screen part on the breakwater 11 this moment, treat sample a period after, rotate action bars 4 along removal through groove 14, make breakwater 11 shelter from inlet opening 7, prevent to move up the in-process normal water at shell main part 1 and flow back away from groundwater storage cylinder 2 through inlet opening 7, treat that shell main part 1 shifts out after the thief hole, it can to open fixed lid 3 and take out groundwater storage cylinder 2 through sealed lid 6.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (7)
1. The utility model provides a prevent shallow groundwater sampling device of groundwater backward flow, includes shell main part (1), its characterized in that: a groundwater storage cylinder (2) is embedded in the shell main body (1), the upper end of the groundwater storage cylinder (2) is connected with a sealing cover (6), the upper end of the shell main body (1) is spirally connected with a fixed cover (3), an annular moving through groove (14) is arranged on the fixed cover (3), an annular placing groove (10) is arranged on the shell main body (1), an annular water baffle (11) is embedded in the placing groove (10), one half of the water baffle (11) is of an arc-shaped filter screen structure, the upper end of the water baffle (11) is fixedly connected with an operating rod (4) which penetrates through the movable through groove (14), the shell main body (1) and the underground water storage cylinder (2) are provided with water inlet holes (7) at corresponding positions, and the water inlet holes (7) are distributed on one side of the shell main body (1) and the underground water storage cylinder (2) along the arc-shaped structure.
2. A shallow groundwater sampling device as claimed in claim 1, wherein: constant head tank (8) have been seted up to the inside lower extreme of shell main part (1), and constant head tank (8) are located the axis coincidence of vertical direction with shell main part (1) are located vertical direction.
3. A shallow groundwater sampling device as claimed in claim 1, wherein: the lower end of the underground water storage cylinder (2) is provided with a positioning block (9), the horizontal section of the positioning block (9) is of a rectangular structure, and the overall dimension of the positioning block (9) is matched with that of the positioning groove (8).
4. A shallow groundwater sampling device as claimed in claim 1, wherein: the fixed cover (3) is fixedly connected with a control column (5), and the control column (5) is positioned in the middle of the fixed cover (3).
5. A shallow groundwater sampling device as claimed in claim 1, wherein: the sealing cover (6) is of an inverted T-shaped structure, a sealing gasket (13) is bonded to the lower end of the sealing cover (6), and the sealing gasket (13) is made of rubber.
6. A shallow groundwater sampling device as claimed in claim 1, wherein: the lower end of the sealing cover (6) is provided with a fixing block (12), and the fixing block (12) is in threaded connection with the underground water storage cylinder (2).
7. A shallow groundwater sampling device as claimed in claim 1, wherein: the water inlet hole (7) is of a downward inclined structure, and the inclined direction is from outside to inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023110767.XU CN213902968U (en) | 2020-12-22 | 2020-12-22 | Shallow groundwater sampling device for preventing groundwater from flowing back |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023110767.XU CN213902968U (en) | 2020-12-22 | 2020-12-22 | Shallow groundwater sampling device for preventing groundwater from flowing back |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213902968U true CN213902968U (en) | 2021-08-06 |
Family
ID=77105190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023110767.XU Expired - Fee Related CN213902968U (en) | 2020-12-22 | 2020-12-22 | Shallow groundwater sampling device for preventing groundwater from flowing back |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213902968U (en) |
-
2020
- 2020-12-22 CN CN202023110767.XU patent/CN213902968U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210806 |
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| CF01 | Termination of patent right due to non-payment of annual fee |