CN218239467U - Underground water sampling pretreatment device - Google Patents
Underground water sampling pretreatment device Download PDFInfo
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- CN218239467U CN218239467U CN202222177734.XU CN202222177734U CN218239467U CN 218239467 U CN218239467 U CN 218239467U CN 202222177734 U CN202222177734 U CN 202222177734U CN 218239467 U CN218239467 U CN 218239467U
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Abstract
The utility model belongs to the technical field of groundwater sampling technique and specifically relates to a processing apparatus before groundwater sample to the problem of the complicated and lacking water sample pretreatment function of groundwater sampling device structure among the prior art, now proposes following scheme, and it includes: the sampling column is internally provided with a first water storage cavity and a second water storage cavity, the periphery of the sampling column is provided with a first water inlet communicated with the first water storage cavity and a second water inlet communicated with the second water storage cavity, a filter screen is installed in the second water inlet, the bottom end of the sampling column is provided with a containing hole, and two water outlet pipes are installed in the containing hole so as to be used for respectively discharging a water sample in the first water storage cavity and a water sample in the second water storage cavity. The utility model discloses not only avoided replacing automatically controlled part, avoided the corresponding insensitive problem that its rainwater appears, also can carry out the preliminary treatment to the water sample simultaneously in the sample to make the follow-up need not carrying out filtration treatment to the water sample, brought great facility for the user.
Description
Technical Field
The utility model relates to a groundwater sample field especially relates to a groundwater sample pretreatment device.
Background
The underground water is one of the important water sources in our production and life at present, and has the advantages of stable water supply amount and less pollution. In order to ensure safe use of underground water, the content of various element components in the underground water needs to be detected. To take a sample of groundwater, a sampling device is typically used.
A device for gathering underground sample among the prior art is various, and it is keeping away from and just sending into the groundwater of certain degree of depth department with the device of water intaking, then acquires a certain amount of groundwater, then takes out it to obtain the water sample. In order to guarantee that a sampling device takes water at a specific depth, an electric control component is commonly used at present, such as an electromagnetic valve and the like, the opening and closing of an upper water inlet of the control water taking device are realized, the electric control device is installed on a water taking mechanism, on one hand, the structure can become more complex, on the other hand, the problem of corresponding insensitivity in the aspect of circuits is easy to occur, meanwhile, the water taking device in the prior art cannot pretreat a water sample in advance when the water sample is taken, so that more impurities can be mixed in the water sample, and subsequent detection steps are increased.
SUMMERY OF THE UTILITY MODEL
The utility model provides a processing apparatus before groundwater sample has solved the problem that groundwater sampling device structure among the prior art is complicated and lacks the processing function of water sample.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a groundwater sampling pretreatment device, comprising:
the sampling column is internally provided with a first water storage cavity and a second water storage cavity, the periphery of the sampling column is provided with a first water inlet communicated with the first water storage cavity and a second water inlet communicated with the second water storage cavity, a filter screen is arranged in the second water inlet, the bottom end of the sampling column is provided with a containing hole, two water outlet pipes are arranged in the containing hole and used for respectively discharging a water sample in the first water storage cavity and a water sample in the second water storage cavity, and valves are respectively arranged on the two water outlet pipes;
the sealing cover is covered outside the top end of the sampling column and used for plugging the first water inlet and the second water inlet, the inner wall of the top of the sealing cover is connected with the outer wall of the top end of the sampling column through an elastic part, an air bag is further arranged between the inner wall of the top of the sealing cover and the top end of the sampling column, and a connecting pipe communicated with the air bag is fixed at the top of the sealing cover;
the air inflation assembly comprises a movable frame and an air pump arranged at the top of the movable frame, an air outlet of the air pump is provided with an air delivery pipe, and the other end of the air delivery pipe is detachably connected with the connecting pipe through a connecting piece; and
the conical head is detachably arranged at the bottom end of the sampling column and is sealed at the opening of the accommodating hole.
Through the technical scheme, the replacement of the electric control part is avoided, the corresponding insensitive problem of rainwater is avoided, and meanwhile, the water sample can be pretreated in the sampling process, so that the water sample is not required to be subjected to filtration treatment in the follow-up process, and great convenience is brought to a user.
As a further improvement of the scheme, a connecting sleeve is fixed at the top of the conical head, an external thread I is arranged on the outer ring of the connecting sleeve, an internal thread I matched with the external thread I is arranged on the inner wall of the accommodating hole, and the connecting sleeve is in threaded connection with the accommodating hole.
Through above-mentioned technical scheme, not only increased the weight of thief column, made it sink under water more easily, also played the sealed mesh of accomodating the hole simultaneously.
As a further improvement of the scheme, the diameter of the bottom surface of the conical head is larger than that of the sampling column.
Through above-mentioned technical scheme, when colliding the water intaking passageway inner wall, the great cone head of bottom surface diameter can touch with the water intaking passageway inner wall earlier to can effectively avoid its and water intaking passageway inner wall to take place direct collision when the sample post is through the water intaking passageway, reduced the damage of sample post.
As a further improvement of the scheme, the elastic parts are a plurality of springs, one ends of the springs are fixedly connected with the inner wall of the top of the sealing cover, and the other ends of the springs are fixedly connected with the top end of the sampling column.
Through the technical scheme, the arrangement of the spring enables the air of the air bag woolen cloth to be discharged and then the sealing cover can be automatically driven to seal the first water inlet and the second water inlet.
As a further improvement of the scheme, the connecting piece is a connecting cap fixed at one end of the gas pipe, an inner ring of the connecting cap is provided with a second internal thread, an outer ring of the connecting pipe is provided with a second external thread matched with the second internal thread, and the connecting cap is screwed outside the connecting pipe.
Through the technical scheme, the disassembly and the assembly between the gas conveying pipe and the sealing cover are facilitated.
As a further improvement of the scheme, the air conveying pipe is a hose, and a wire spool with a winding air conveying pipe is installed at the top of the movable frame.
Through the technical scheme, the long gas conveying pipe can be conveniently stored.
Compared with the prior art, the beneficial effects of the utility model reside in that:
1. through the arrangement of the first water storage cavity, the second water storage cavity, the first water inlet and the filter screen, water samples which are not processed at any time and water samples which are filtered in advance can be obtained at one time, so that the follow-up detection of detection personnel on different water samples is greatly facilitated.
2. The conical head not only increases the weight of the sampling column, so that the sampling column can be submerged more easily, but also achieves the purpose of sealing the accommodating hole.
3. Through the cooperation between mechanism, sealed lid and the elastic component of aerifing, abandoned the design of automatically controlled structure, can be convenient open or close water inlet one and water inlet two, also avoided adopting the automatically controlled part to meet water and the insensitive condition that appears simultaneously.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a perspective view of the water extraction column, the sealing cap and the conical head of FIG. 1;
fig. 3 is an enlarged schematic view of a portion a in fig. 1.
Description of the main symbols:
1. a sampling column; 2. a sealing cover; 3. an elastic member; 4. an air bag; 5. a connecting cap; 6. a connecting pipe; 7. a gas delivery pipe; 8. a first water inlet; 9. a first water storage cavity; 10. a water inlet II; 11. a filter screen; 12. a second water storage cavity; 13. a conical head; 14. a movable frame; 15. a wire spool; 16. an air pump; 17. a water outlet pipe; 18. a valve; 19. a hose; 20. a receiving hole; 21. a connecting sleeve.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.
Example 1:
referring to fig. 1-3, a pretreatment device for sampling underground water in the present embodiment includes a sampling column 1, a first water storage cavity 9 and a second water storage cavity 12 are formed in the sampling column 1, a first water inlet 8 communicated with the first water storage cavity 9 and a second water inlet 10 communicated with the second water storage cavity 12 are formed in the periphery of the sampling column 1, a filter screen 11 is installed in the second water inlet 10, a storage hole is formed in the bottom end of the sampling column 1, two water outlet pipes 17 are installed in the storage hole, one of the water outlet pipes 17 is communicated with the first water storage cavity 9 and used for discharging a water sample in the first water storage cavity 9, the other water outlet pipe 17 is communicated with the second water storage cavity 12 and used for discharging a water sample in the second water storage cavity 12, valves 18 are installed on the two water outlet pipes 17, and a hose 19 is installed at the other end of the two water outlet pipes 17;
the sealing cover 2 is covered outside the top end of the sampling column 1 and used for plugging a first water inlet 8 and a second water inlet 10, the inner wall of the top of the sealing cover 2 is connected with the outer wall of the top end of the sampling column 1 through an elastic part 3, an air bag 4 is further installed between the inner wall of the top of the sealing cover 2 and the top end of the sampling column 1, a connecting pipe 6 communicated with the air bag 4 is fixed at the top of the sealing cover 2, the elastic part 3 is a plurality of springs, one ends of the springs are fixedly connected with the inner wall of the top of the sealing cover 2, the other ends of the springs are fixedly connected with the top end of the sampling column 1, when the air bag is not inflated, the springs are in a releasing state, the first water inlet 8 and the second water inlet 10 are plugged by the sealing cover 2, when the air bag 4 is inflated, the air bag starts to expand, so that the sampling column can be towards the top of the outside of the sealing cover 2, the first water inlet 8 and the second water inlet 10 can be exposed outside of the sealing cover 2, at the springs are in a stretching state, otherwise, after the gas in the air bag 4 is discharged, the water inlet 8 and the second water inlet 10 can be plugged again;
the inflation assembly comprises a movable frame 14 and an air pump 16 installed at the top of the movable frame 14, an air outlet of the air pump 16 is provided with an air pipe 7, the other end of the air pipe 7 is detachably connected with a connecting pipe 6 through a connecting piece, a control button for controlling the operation of the air pump 16 is installed on the air pump 16, and the air pump 16 is controlled to start and stop and inflate and inhale air through the control button.
The connecting piece is for fixing the connection cap 5 in 7 one ends of gas-supply pipe, and the inner circle of connecting cap 5 is equipped with internal thread two, the outer lane of connecting pipe 6 is equipped with the external screw thread two that coincide with internal thread two, connects 5 spiro unions of cap in 6 outsides of connecting pipe, and the setting through the connecting piece can be convenient link together gas-supply pipe 7 and sealed lid 2 to also can be convenient select to continue to connect the gas-supply pipe 7 of different length according to the degree of depth of groundwater.
Air-supply pipe 7 is the hose, removes 14 tops of frame and installs wire reel 15 that possess rolling air-supply pipe 7, and wire reel 15 sets up and is used for rolling air-supply pipe 7, avoids air-supply pipe 7 overlength and does not accomodate well and carry.
The implementation principle of the embodiment of the application is as follows: during sampling, firstly, the gas pipe 7 and the sealing cover 2 are installed, then the sampling column 1 is slowly placed into underground water along a sampling channel, when the sampling column 1 reaches a certain depth inside the underground water, the gas pump 16 is started to inflate the gas bag 4, the gas pump 4 expands, so that the sampling column can be placed at the top of the sealing cover 2, and then the water inlet I8 and the water inlet II 10 can be exposed outside the sealing cover 2, the underground water can enter the inside of the water storage cavity I9 from the water inlet I8 and can also pass through the water inlet II 10, then large particles in the water are filtered by the filter screen and then enter the inside of the water storage cavity II 12, at the moment, the spring is in a stretching state, otherwise, after the gas bag 16 is started to suck gas, the gas in the gas bag 4 can be pumped out, then under the action of the spring, the sealing cover 2 can block the water inlet I8 and the water inlet II 10 again, after sampling is completed, the sampling column 1 is taken out of the underground water sample, and then the valves 18 on the two water outlet pipes 17 are respectively opened to discharge the water samples in the water storage cavity I9 and the water storage cavity II 12.
Example 2:
with reference to fig. 1 to 3, the present embodiment is further improved on the basis of embodiment 1 in that: conical head 13, detachable install in the bottom of sample post 1 and seal up the opening part in accomodating hole 20, conical head 13's top is fixed with adapter sleeve 21, and adapter sleeve 21's outer lane is equipped with external screw thread one, the inner wall of accomodating hole 20 is equipped with external screw thread one anastomotic internal thread, and adapter sleeve 21 spiro union is in accomodating hole 20, conical head 13's bottom surface diameter is greater than the diameter of sample post 1.
The implementation principle of the embodiment of the application is as follows: before the sample, with cone 13 spiro union in the bottom of sampling column 1, utilize cone 13 to seal taking in hole 20 for hose 19 is taken in taking in hole 20, and the bottom surface diameter of cone 13 is greater than the diameter of sampling column 1 simultaneously, then can effectively avoid sampling column 1 to bump the wall and damage at the in-process of sample, and the back is accomplished in the sample, dismantle cone 13 again can.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (6)
1. The utility model provides a processing apparatus before groundwater sample which characterized in that includes:
the sampling column is internally provided with a first water storage cavity and a second water storage cavity, the periphery of the sampling column is provided with a first water inlet communicated with the first water storage cavity and a second water inlet communicated with the second water storage cavity, a filter screen is arranged in the second water inlet, the bottom end of the sampling column is provided with a containing hole, two water outlet pipes are arranged in the containing hole and used for respectively discharging a water sample in the first water storage cavity and a water sample in the second water storage cavity, and valves are respectively arranged on the two water outlet pipes;
the sealing cover covers the top end of the sampling column and is used for plugging the first water inlet and the second water inlet, the inner wall of the top of the sealing cover is connected with the outer wall of the top end of the sampling column through an elastic piece, an air bag is further arranged between the inner wall of the top of the sealing cover and the top end of the sampling column, and a connecting pipe communicated with the air bag is fixed to the top of the sealing cover;
the air inflation assembly comprises a movable frame and an air pump arranged at the top of the movable frame, an air outlet of the air pump is provided with an air delivery pipe, and the other end of the air delivery pipe is detachably connected with the connecting pipe through a connecting piece; and
the conical head is detachably arranged at the bottom end of the sampling column and is sealed at the opening of the accommodating hole.
2. The underground water sampling pretreatment device according to claim 1, wherein a connection sleeve is fixed to the top of the conical head, an external thread I is arranged on an outer ring of the connection sleeve, an internal thread I matched with the external thread I is arranged on an inner wall of the receiving hole, and the connection sleeve is screwed in the receiving hole.
3. The underground water sampling pretreatment device of claim 1, wherein a diameter of a bottom surface of the cone head is larger than a diameter of the sampling column.
4. The underground water sampling pretreatment device according to claim 1, wherein the elastic members are a plurality of springs, one end of each spring is fixedly connected with the inner wall of the top of the sealing cover, and the other end of each spring is fixedly connected with the top end of the sampling column.
5. The underground water sampling pretreatment device according to claim 1, wherein the connecting piece is a connecting cap fixed at one end of the gas pipe, an inner ring of the connecting cap is provided with a second internal thread, an outer ring of the connecting pipe is provided with a second external thread matched with the second internal thread, and the connecting cap is screwed outside the connecting pipe.
6. The underground water sampling pretreatment device according to claim 1, wherein the gas pipe is a hose, and a wire spool with a coiled gas pipe is mounted at the top of the movable frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222177734.XU CN218239467U (en) | 2022-08-18 | 2022-08-18 | Underground water sampling pretreatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222177734.XU CN218239467U (en) | 2022-08-18 | 2022-08-18 | Underground water sampling pretreatment device |
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| Publication Number | Publication Date |
|---|---|
| CN218239467U true CN218239467U (en) | 2023-01-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222177734.XU Active CN218239467U (en) | 2022-08-18 | 2022-08-18 | Underground water sampling pretreatment device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116380560A (en) * | 2023-06-05 | 2023-07-04 | 山东智迈德智能科技有限公司 | Water quality sampling device for geological exploration |
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2022
- 2022-08-18 CN CN202222177734.XU patent/CN218239467U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116380560A (en) * | 2023-06-05 | 2023-07-04 | 山东智迈德智能科技有限公司 | Water quality sampling device for geological exploration |
| CN116380560B (en) * | 2023-06-05 | 2023-08-15 | 山东智迈德智能科技有限公司 | Water quality sampling device for geological exploration |
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