CN211013633U - Slender underground water sampler for small-caliber monitoring well - Google Patents
Slender underground water sampler for small-caliber monitoring well Download PDFInfo
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- CN211013633U CN211013633U CN201921657563.2U CN201921657563U CN211013633U CN 211013633 U CN211013633 U CN 211013633U CN 201921657563 U CN201921657563 U CN 201921657563U CN 211013633 U CN211013633 U CN 211013633U
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Abstract
The utility model discloses a slender underground water sampler for a small-caliber monitoring well, which comprises a sampler body, wherein the sampler body is arranged in the small-caliber monitoring well through a traction rope, and the sampler body keeps a vertical posture and is inserted into the water in the small-caliber monitoring well; the sampler body also comprises a sampling cylinder, a filter type water inlet device and an elastic plugging piece; the filtering type water inlet device is embedded at the bottom of the sampling cylinder and is provided with a water inlet device embedding opening, and the end part of the filtering type water inlet device extending into the sampling cylinder exceeds the bottom of the sampling cylinder; the elastic plugging piece comprises a cover plate which is arranged at the bottom of the inner cylinder of the sampling cylinder through elasticity of a spring, the cover plate is positioned above the filter type water inlet device and covers the filter type water inlet device through the drawing of the contraction stress of the spring, and the cover plate can be opened through the pushing of water in the small-caliber monitoring well. The utility model discloses be suitable for the water sampling of small-bore monitoring well, can effectively filter the debris that contain in the sample water among the sampling process, simple structure, it is convenient to use.
Description
Technical Field
The utility model discloses a slender type groundwater sample thief for small-bore monitoring well specifically is used for the water sampling work of the less groundwater monitoring well of bore.
Background
The monitoring wells are divided into two types, one is a monitoring well with a larger caliber, such as civil crystal, the water quality is clear and has no impurities, the other is a well with a smaller caliber which is drilled on site for underground water monitoring, the caliber is about 5cm generally, and a water body has a lot of impurities after a period of time of precipitation.
Need use heavy-calibre sampling equipment to the water sampling in the heavy-calibre monitoring well, need use small-calibre sampling equipment to the water sampling in the small-calibre monitoring well, two kinds of equipments have following shortcoming:
firstly, large-caliber sampling equipment, such as a surface water sampling device, cannot complete the sampling work of a small-caliber monitoring well;
and secondly, the small-caliber sampler obtains more water samples and impurities, and the water sample transferring work is more complex.
In order to solve the problem of small-caliber sampling equipment, the utility model provides a slim groundwater sample thief for small-caliber monitoring well, simple structure, convenient to use, and can remove the debris of aquatic at the sampling in-process.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the not enough of existence among the prior art, the utility model provides a slenderness type groundwater sample thief for small-bore monitoring well is suitable for the water sampling of small-bore monitoring well, can effectively filter the debris that contain in the sample water among the sampling process, simple structure, it is convenient to use.
The technical scheme is as follows: in order to achieve the purpose, the slender underground water sampler for the small-caliber monitoring well comprises a sampler body, wherein the sampler body is provided with a traction rope, the sampler body can be arranged in the small-caliber monitoring well through the traction rope, and the sampler body keeps a vertical posture and is inserted into water in the small-caliber monitoring well;
the sampler body also comprises a sampling cylinder, a filter type water inlet device and an elastic plugging piece; the traction rope is connected with the sampling cylinder; the bottom of the sampling cylinder is provided with a water inlet device embedding opening, the filter type water inlet device is embedded in the water inlet device embedding opening in a matching mode, and the end part of the filter type water inlet device extending into the sampling cylinder exceeds the bottom of the sampling cylinder; elastic plugging piece includes that it sets up the apron at the bottom of the barrel in the sampling barrel through spring elasticity, the apron is located filter type water inlet ware top and the shrink stress pulling lid of accessible spring closes filter type water inlet ware, and the top of apron accessible small-bore monitoring well water pushes away and opens filter type water inlet ware.
Furthermore, the sampler body also comprises a hand pull rope, a fixed frame and a hand pull head; the fixing frame is arranged at the upper tube opening of the sampling tube, and a hand pulling rope led out from the hand pulling head placed on the fixing frame penetrates through the fixing frame to extend to the inside of the sampling tube to be connected with the cover plate; the filter type water inlet device can be opened by pulling the cover plate through the hand pulling rope.
Further, the sampling cylinder is vertically inserted into water in the small-caliber monitoring well through the filtering type water inlet device.
Furthermore, the filtering water inlet device is formed by a small cylinder penetrating through two circular surfaces of the small cylinder and provided with a plurality of uniformly distributed through holes; the projection of all the through holes on the cover plate falls into the enclosing range of the cover plate outline.
Furthermore, the sampler body also comprises a stopper arranged in the sampling cylinder, wherein the stopper is close to the cover plate, positioned above the cover plate and used for limiting the upward movement stroke of the cover plate;
the apron is including setting firmly the ring in the sampling cylinder and the dog of equipartition in the ring bottom, the apron passes through the hand power rope and pulls to move up and lean on under the state with the dog, have the interval between apron and the ring.
Further, the sampler body still includes the thermometer that sets up in the inner tube wall of sampling cylinder, the thermometer is vertical downward and is close to the ring setting.
Has the advantages that: the utility model discloses a slim type groundwater sample thief for small-bore monitoring well, beneficial effect as follows:
1) in the sampling process, the cover plate is pushed open along with the sampling cylinder is deeply inserted into well water, water enters the sampling cylinder through the filter type water inlet device, the filter type water inlet device filters impurities (small stones and the like) in the water, and when the sampling cylinder is lifted up through the traction rope, the cover plate rapidly covers and seals the filter type water inlet device under the dual actions of the retraction and pulling of the spring and the downward pressing of the gravity of the sample water in the sampling cylinder, so that the sample water is prevented from leaking;
2) when sample water in the sampling cylinder needs to be taken out, the pull head is manually pinched and pulled, the cover plate can be pulled to open the filter type water inlet device, and the sample water can flow out through the filter type water inlet device, so that the use is very convenient; sample water is taken out without being led out through an upper cylinder opening of the sampling cylinder, and sampling water inlet and sample water discharge are both carried out through the filtering type water inlet device, so that the upper cylinder opening is not polluted;
3) in the utility model, the filter type water feeder not only plays a role in water feeding and filtering, but also plays a role in bearing, so that the gravity center of the sampling cylinder is positioned at the bottom, thus ensuring that the sampling cylinder keeps a vertical state when taking water, avoiding the sampling cylinder from inclining and tilting, ensuring smooth water sampling, and ensuring that water can not enter the sampling cylinder from the upper cylinder opening of the sampling cylinder, so that the water sampled in the sampling cylinder enters after being filtered by the filter type water feeder;
4) the thermometer in the sampling cylinder can measure the real-time temperature of the sample water, and provides reference for various subsequent detection works of the sample water.
Drawings
FIG. 1 is a schematic view of the whole structure of the slender groundwater sampler of the present invention;
FIG. 2 is a specific embodiment of the present invention;
FIG. 3 is a schematic structural view of a filter-type water inlet device with a cover plate covering and blocking;
FIG. 4 is a schematic structural view of the filter type water inlet device with the cover plate opened;
FIG. 5 is a schematic structural view of the filter type water inlet device with the cover plate opened and the stopper in a state of abutting against the filter type water inlet device;
FIG. 6 is a schematic structural view of a filtration-type water intake apparatus;
fig. 7 is a schematic structural view of the fixing frame.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in the attached drawings 1 and 2, the slender underground water sampler for the small-caliber monitoring well comprises a sampler body 2, wherein the sampler body 2 is provided with a traction rope 29, the sampler body 2 can be placed in the small-caliber monitoring well 1 through the traction rope 29, the sampler body 2 keeps vertical posture and is inserted into water in the small-caliber monitoring well 1, and water in the small-caliber monitoring well 1 can be sampled conveniently through the sampler body 2.
As shown in fig. 1, fig. 3 and fig. 4, the sampler body 2 further comprises a sampling cylinder 21, a filter type water inlet 22 and an elastic plugging piece 23; the traction rope 29 is connected with the sampling cylinder 21; the bottom of the sampling cylinder 21 is provided with a water inlet device embedding opening 211, the filter type water inlet device 22 is embedded in the water inlet device embedding opening 211 in a matching manner, and the end part of the filter type water inlet device 22 extending into the sampling cylinder 21 exceeds the bottom of the sampling cylinder 21; the elastic blocking piece 23 comprises a cover plate 231 which is elastically arranged at the bottom of the inner cylinder of the sampling cylinder 21 through a spring 232, the cover plate 231 is positioned above the filter type water inlet device 22 and can be pulled to cover the filter type water inlet device 22 through the contraction stress of the spring 232, and the filter type water inlet device 22 can be opened through the pushing of water in the small-caliber monitoring well 1 through the cover plate 231. In the sampling process, along with the sampling cylinder 21 goes deep into well water, the cover plate 231 is pushed open, water enters the sampling cylinder 21 through the filter type water inlet device 22, the filter type water inlet device 22 filters impurities (small stones and the like) in the water, and when the sampling cylinder 21 is lifted up through the traction rope 29, the cover plate 231 rapidly covers and seals the filter type water inlet device 22 under the dual effects of retraction and pulling of the spring 232 and downward pressing of the gravity of sample water in the sampling cylinder 21, so that the sample water is prevented from leaking.
The utility model discloses in, sampling cylinder 21 diameter 2 ~ 3 centimeters, length 90 ~ 100 centimeters, the material is organic glass.
As shown in fig. 1, 5 and 7, the sampler body 2 further includes a hand pull rope 24, a fixing frame 25 and a hand pull head 27; the fixing frame 25 is arranged at the upper tube opening 212 of the sampling tube 21, and the hand pulling rope 24 led out from the hand pulling head 27 placed on the fixing frame 25 passes through the fixing frame 25 and extends to the inside of the sampling tube 21 to be connected with the cover plate 231; the filter type water inlet 22 is opened by pulling the cover plate 231 by the hand pulling string 24. When sample water in the sampling cylinder 21 needs to be taken out, the pull head 27 is manually pinched and pulled, the cover plate 231 can be pulled to open the filter type water inlet device 22, and the sample water can flow out through the filter type water inlet device 22, so that the use is very convenient; the sample water is not required to be poured out through the upper tube opening 212 of the sampling tube 21, the sampling water inlet and the sample water discharge are both carried out through the filtering type water inlet device 22, and the upper tube opening 212 cannot be polluted.
It is noted that the cartridge 21 is inserted vertically into the water in the small bore monitoring well 1 through a filter-type water inlet 22. The utility model discloses in, the filter type ware 22 of intaking not only plays the filter action of intaking, but also plays the effect of bearing, make cartridge 21 focus be located the bottom, just so can guarantee to keep vertical state when cartridge 21 fetches water, avoid cartridge 21 to take place to incline, askew fall, guarantee going on smoothly of water sampling, and guarantee that water can not get into cartridge 21 from cartridge port 212 on cartridge 21, make the water of sampling in cartridge 21 all get into after filter type ware 22 of intaking filters.
As shown in fig. 6, the filter-type water inlet device 22 is formed by a small cylinder 221 penetrating two circular surfaces thereof and provided with a plurality of uniformly distributed through holes 222, so that the structure is simple, and the manufacturing cost is saved; as shown in fig. 3, the projections of all the through holes 222 on the cover plate 231 fall within the range enclosed by the contour of the cover plate 231, so as to ensure the integrity and the tightness of the filter type water inlet device 22 when the cover plate 231 is covered and blocked.
As shown in fig. 1, the sampler body 2 further includes a stopper 26 disposed in the sampling cylinder 21, wherein the stopper 26 is close to and above the cover plate 231, and is used for limiting the upward movement of the cover plate 231; when the sample water in the sampling cylinder 21 needs to be taken out, the pull head 27 is manually held and pulled, the cover plate 231 can be pulled to open the filter type water inlet device 22, the manual pulling force is not well controlled, and in order to avoid the damage of the spring 232 caused by the overlarge pulling stroke of the cover plate 231, the stopper 26 is arranged for protection and limitation.
As shown in fig. 5, the cover plate 231 includes a ring 261 fixedly disposed in the sampling cylinder 21 and stoppers 262 uniformly distributed at the bottom of the ring 261, when the cover plate 231 is pulled upwards by the pull string 24 and abuts against the stoppers 262, a distance 3 is provided between the cover plate 231 and the ring 261, and the cover plate 231 does not block the ring 261, thereby ensuring that the sample water is smoothly discharged.
As shown in fig. 1, the sampler body 2 further includes a thermometer 28 disposed on the inner wall of the sampling cylinder 21, the thermometer 28 is disposed vertically downward and close to the ring 261, and the thermometer 28 can measure the real-time temperature of the sample water in the sampling cylinder 21, so as to provide a reference for various subsequent detection operations of the sample water.
The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.
Claims (6)
1. The utility model provides an elongated type groundwater sample thief for small-bore monitoring well which characterized in that: the sampler comprises a sampler body (2), wherein the sampler body (2) is provided with a traction rope (29), the sampler body (2) can be placed in a small-caliber monitoring well (1) through the traction rope (29), and the sampler body (2) keeps a vertical posture and is inserted into water in the small-caliber monitoring well (1);
the sampler body (2) also comprises a sampling cylinder (21), a filtering water inlet device (22) and an elastic plugging piece (23); the traction rope (29) is connected with the sampling cylinder (21); a water inlet device embedding opening (211) is formed in the bottom of the sampling cylinder (21), the filter type water inlet device (22) is embedded in the water inlet device embedding opening (211) in a matching mode, and the end portion, extending into the sampling cylinder (21), of the filter type water inlet device (22) exceeds the bottom of the sampling cylinder (21); the elastic blocking piece (23) comprises a cover plate (231) which is elastically arranged at the bottom of the inner cylinder of the sampling cylinder (21) through a spring (232), the cover plate (231) is positioned above the filter type water inlet device (22) and can be covered with the filter type water inlet device (22) through the pulling of the contraction stress of the spring (232), and the cover plate (231) can open the filter type water inlet device (22) through the pushing of water in the small-caliber monitoring well (1).
2. An elongated groundwater sampler for small bore monitoring wells according to claim 1, wherein: the sampler body (2) also comprises a hand pull rope (24), a fixed frame (25) and a hand pull head (27); the fixing frame (25) is arranged at an upper tube opening (212) of the sampling tube (21), and a hand pull rope (24) led out from the hand pull head (27) placed on the fixing frame (25) penetrates through the fixing frame (25) to extend into the sampling tube (21) to be connected with the cover plate (231); the filter type water inlet device (22) can be opened by pulling the cover plate (231) through the hand pull rope (24).
3. An elongated groundwater sampler for a small bore monitoring well according to claim 2, wherein: the sampling cylinder (21) is vertically inserted into the water in the small-caliber monitoring well (1) through a filtering water inlet device (22).
4. An elongated groundwater sampler for a small bore monitoring well according to claim 3, wherein: the filtering water inlet device (22) is formed by a small cylinder (221) penetrating through two circular surfaces of the small cylinder and provided with a plurality of uniformly distributed through holes (222); the projection of all the through holes (222) on the cover plate (231) falls within the enclosing range of the contour of the cover plate (231).
5. An elongated groundwater sampler for a small bore monitoring well according to claim 3, wherein: the sampler body (2) further comprises a stopper (26) arranged in the sampling cylinder (21), wherein the stopper (26) is close to the cover plate (231), is positioned above the cover plate and is used for limiting the upward movement stroke of the cover plate (231);
the cover plate (231) comprises a circular ring (261) fixedly arranged in the sampling cylinder (21) and stop blocks (262) uniformly distributed at the bottom of the circular ring (261), the cover plate (231) is pulled to move upwards through a hand pull rope (24) to abut against the stop blocks (262), and a space (3) is reserved between the cover plate (231) and the circular ring (261).
6. An elongated groundwater sampler for a small bore monitoring well according to claim 5, wherein: the sampler body (2) further comprises a thermometer (28) arranged on the inner wall of the sampling cylinder (21), and the thermometer (28) is vertically downward and is arranged close to the circular ring (261).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921657563.2U CN211013633U (en) | 2019-09-30 | 2019-09-30 | Slender underground water sampler for small-caliber monitoring well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921657563.2U CN211013633U (en) | 2019-09-30 | 2019-09-30 | Slender underground water sampler for small-caliber monitoring well |
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| Publication Number | Publication Date |
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| CN211013633U true CN211013633U (en) | 2020-07-14 |
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| CN201921657563.2U Active CN211013633U (en) | 2019-09-30 | 2019-09-30 | Slender underground water sampler for small-caliber monitoring well |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115343403A (en) * | 2022-08-16 | 2022-11-15 | 生态环境部南京环境科学研究所 | Detection device for benzene series in underground water of typical pesticide pollution site |
-
2019
- 2019-09-30 CN CN201921657563.2U patent/CN211013633U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115343403A (en) * | 2022-08-16 | 2022-11-15 | 生态环境部南京环境科学研究所 | Detection device for benzene series in underground water of typical pesticide pollution site |
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