CN217638189U - Underground water sampling device - Google Patents

Abstract

The utility model discloses a groundwater sampling device, including the sample main part, the upper end fixedly connected with apron of sample main part, open the spout that has upper and lower break-over in the upper end middle part of apron, the upper end middle part of apron runs through and swing joint has tensile pipe through the spout, the three evenly distributed's of the surface upper portion fixedly connected with handle of tensile pipe, the lower end threaded connection of sample main part has filtration, filtration's lower end threaded connection has drilling structure. A groundwater sampling device, through setting up filtration and drilling structure, increase filtration strength when making groundwater sample, avoid thinner or less impurity influence sample test result, the clearance of the filter screen after the sampling device of being convenient for uses makes the sample of groundwater be the multi-directionality, improves the sampling efficiency of groundwater, possesses convenient to detach abluent characteristics when making sampling device portable, sampling efficiency is higher.

Description

Underground water sampling device

Technical Field

The utility model relates to a groundwater detects technical field, in particular to groundwater sampling device.

Background

The groundwater refers to water existing in rock gaps below the ground, refers to water in a saturated aquifer below the surface of the groundwater in a narrow sense, and also refers to various forms of gravity water buried below the surface of the ground, and due to serious pollution of the groundwater caused by human factors, the groundwater needs to be sampled and detected before being used, otherwise, the groundwater sampling device is adversely affected to human health and agricultural production, so the groundwater sampling device is needed.

Currently, groundwater sampling devices suffer from the following disadvantages: 1. when the existing underground water sampling device is used, a single-layer filter screen is mostly adopted to filter impurities in underground water, smaller or thinner impurities still enter the sampling device, the intensity of the sampling device for filtering underground water is relatively weaker, a motor is mostly adopted to directly drive a drill bit to be inserted into the ground in the existing underground water sampling device, and filtering equipment is mostly set to be a fixed structure, so that the difficulty in cleaning is greater when the filtering equipment is blocked, and the manufacturing cost of the sampling device is higher; 2. when current groundwater sampling device used, the sampling head was many set up to the haplopore when taking a sample to groundwater, made groundwater be difficult to realize multidirectional simultaneous sampling, had subducted groundwater's sampling efficiency, and after groundwater sample was accomplished, the easy adhesion of earth was on the drill bit, and the device is cleared up thoroughly inadequately, leads to still having earth in the device, so, we propose a neotype groundwater sampling device.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide an underground water sampling device, which can effectively solve the problems of the background art.

In order to achieve the above purpose, the utility model adopts the technical proposal that:

the utility model provides an underground water sampling device, includes the sample main part, the upper end fixedly connected with apron of sample main part, the spout of break-over about opening at the upper end middle part of apron, the upper end middle part of apron runs through and swing joint has tensile pipe through the spout, the three evenly distributed's of the surface upper portion fixedly connected with handle of tensile pipe, the lower extreme threaded connection of sample main part has filtration, filtration's lower extreme threaded connection has drilling structure.

Preferably, the lower part of the outer surface of the stretching pipe is fixedly connected with two sealing gaskets, and the lower end of the sampling main body is provided with a first thread groove, so that the sampling device is convenient to assemble and disassemble.

Preferably, the filtering structure comprises a circulating pipe, a spiral pipe is fixedly connected to the lower portion of the outer surface of the circulating pipe, two clamping grooves are formed in the lower end of the circulating pipe, the lower end of the circulating pipe is detachably connected with a filtering pipe through the two clamping grooves, two filter screens are fixedly connected to the filtering pipe, when a sampling main body samples underground water, the underground water is firstly rotatably inserted into the ground, the underground water is upwards extracted through the pulling pipe, the underground water is filtered through the two layers of filter screens when being sampled, the mesh densities of the two filter screens are different, the filtering strength is increased when the underground water is sampled, the situation that fine or small impurities influence a sampling detection result is avoided, and the accuracy of underground water sampling is improved.

Preferably, the runner pipe is connected with the sampling main body through a thread groove and is two the mesh density of filter screen is different, no. two thread grooves are opened to the lower extreme of runner pipe, make filtration equipment have the dismantlement performance, and the clearance of the filter screen after the sampling device of being convenient for used, manual operation inserts ground, reduces groundwater sampling device's cost of manufacture.

Preferably, the drilling structure includes the drill bit, the surface upper portion fixedly connected with helicitic texture of drill bit, the surface fixedly connected with helical tooth of drill bit, the sample connection that has a plurality of evenly distributed is opened to the surface of drill bit, and when the sample main part inserted the underground, rotatory sample main part made the helical tooth be located the rotatory insertion of underground, and the manual operation of being convenient for reduces the manual operation degree of difficulty, and helical tooth and screwed pipe contact, made the steadiness reinforcing of sampling device and underground contact, the phenomenon appears empting when avoiding the sampling device to take a sample.

Preferably, the drill bit is through No. two thread grooves and runner pipe threaded connection, the helical tooth contacts with the spiral pipe, a plurality of the high difference of sample connection, when tensile pipe draws to the upper lifting, groundwater passes through the sample connection and inhales the sample main part in, the high difference of a plurality of sample connection makes the sample of groundwater be the polytropy, improves groundwater's sampling efficiency, accomplishes the back at groundwater sample, through helicitic texture and No. two thread groove rotatory dismantlements, can dismantle the back with the drill bit and carry out comprehensive device washing, reduce the adhesion of earth, possess the abluent characteristics of convenient to detach when making sampling device portable.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses in, through setting up filtration on the sample main part, and set up the spiral pipe and open there is the draw-in groove on the runner pipe on the filtration, can dismantle the filtration of connection through the draw-in groove in the runner pipe and set up two-layer filter screen, when the sample main part is taken a sample to groundwater, at first insert groundwater rotation into the underground, carry and draw through tensile pipe and make groundwater extract upwards, filter through two-layer filter screen when groundwater is taken a sample, the mesh density of two filter screens is different, increase filtration strength when making groundwater sample, avoid thinner or less impurity to influence the sample test result, improve the precision of groundwater sample, install the filter pipe in the runner pipe through the draw-in groove, make filtration equipment have the dismantlement ability, be convenient for the clearance of the filter screen after the sampling device uses, manual operation inserts ground, reduce the cost of making of groundwater sampling device;

2. the utility model discloses in, through set up drilling structure in the sample main part, and set up the helicitic texture on the drill bit on drilling structure, surface at the drill bit sets up the helical tooth, when the sample main part inserts the underground, rotatory sample main part makes the helical tooth be located the rotatory insertion of underground, be convenient for manual operation, reduce the manual operation degree of difficulty, and helical tooth and screwed pipe contact, make the steadiness reinforcing of sampling device and underground contact, the phenomenon appears empting when avoiding the sampling device to take a sample, open the sample connection that has a plurality of evenly distributed on the drill bit, when tensile pipe is pulled up, groundwater inhales the sample main part through the sample connection, the height difference of a plurality of sample connection, the sample that makes groundwater is the multi-directionality, improve groundwater's sampling efficiency, after groundwater sample is accomplished, through helicitic texture and the rotatory dismantlement of No. two thread grooves, can dismantle the drill bit after carry out comprehensive device washing, reduce the adhesion of earth, make sampling device portable possess the abluent characteristics of convenient to detach.

Drawings

Fig. 1 is a schematic view of the overall structure of an underground water sampling device of the present invention;

fig. 2 is a schematic cross-sectional structure view of a sampling body of an underground water sampling device according to the present invention;

fig. 3 is a schematic structural view of a filtering structure of the underground water sampling device according to the present invention;

fig. 4 is a schematic structural view of the drilling structure of the underground water sampling device of the present invention.

In the figure: 1. a sampling body; 2. a cover plate; 3. a chute; 4. stretching the tube; 5. a handle; 6. a filter structure; 7. drilling a hole structure; 11. a gasket; 12. a first thread groove; 61. a flow-through tube; 62. a spiral tube; 63. a card slot; 64. a filter tube; 65. filtering with a screen; 66. a second thread groove; 71. a drill bit; 72. a thread structure; 73. helical teeth; 74. and a sampling port.

Detailed Description

In order to make the utility model realize, the technical means, the creation characteristics, the achievement purpose and the efficacy are easy to understand and understand, the utility model is further explained by combining the specific implementation mode.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-4, an groundwater sampling device, including sample main part 1, the upper end fixedly connected with apron 2 of sample main part 1, open the spout 3 that has upper and lower break-over in the upper end middle part of apron 2, the upper end middle part of apron 2 runs through and swing joint has tensile pipe 4 through spout 3, the three evenly distributed's of surface upper portion fixedly connected with handle 5 of tensile pipe 4, the lower extreme threaded connection of sample main part 1 has filtration 6, the lower extreme threaded connection of filtration 6 has drilling structure 7.

The lower part of the outer surface of the stretching tube 4 is fixedly connected with two sealing gaskets 11, and the lower end of the sampling main body 1 is provided with a first thread groove 12; the filtering structure 6 comprises a circulating pipe 61, a spiral pipe 62 is fixedly connected to the lower part of the outer surface of the circulating pipe 61, two clamping grooves 63 are formed in the lower end of the circulating pipe 61, the lower end of the circulating pipe 61 is detachably connected with a filtering pipe 64 through the two clamping grooves 63, two filter screens 65 are fixedly connected to the filtering pipe 64, when the sampling main body 1 samples underground water, the underground water is firstly rotatably inserted into the ground, the underground water is upwards extracted through the lifting of a stretching pipe 4, the underground water is filtered through the two layers of filter screens 65 when the underground water is sampled, the mesh densities of the two filter screens 65 are different, so that the filtering strength is increased when the underground water is sampled, the influence of finer or smaller impurities on a sampling detection result is avoided, and the accuracy of the underground water sampling is improved; the circulation pipe 61 is in threaded connection with the sampling main body 1 through the first thread groove 12, the mesh densities of the two filter screens 65 are different, the second thread groove 66 is formed in the lower end of the circulation pipe 61, the filter pipe 64 is installed in the circulation pipe 61 through the clamping groove 63, so that the filter equipment has disassembly performance, the filter screens 65 can be conveniently cleaned after the sampling device is used, manual operation is performed to insert the filter equipment into the ground, and the manufacturing cost of the underground water sampling device is reduced; the drilling structure 7 comprises a drill bit 71, a thread structure 72 is fixedly connected to the upper portion of the outer surface of the drill bit 71, helical teeth 73 are fixedly connected to the outer surface of the drill bit 71, a plurality of sampling ports 74 which are uniformly distributed are formed in the outer surface of the drill bit 71, when the sampling main body 1 is inserted into the ground, the sampling main body 1 is rotated to enable the helical teeth 73 to be located in the ground to be inserted in a rotating mode, manual operation is facilitated, the difficulty of manual operation is reduced, the helical teeth 73 are in contact with the helical pipe 62, the contact stability of the sampling device and the ground is enhanced, and the phenomenon that the sampling device topples over when in sampling is avoided; the drill bit 71 is in threaded connection with the circulating pipe 61 through the second thread groove 66, the spiral teeth 73 are in contact with the spiral pipe 62, the heights of the plurality of sampling ports 74 are different respectively, when the stretching pipe 4 is lifted upwards, underground water is sucked into the sampling main body 1 through the sampling ports 74, the heights of the plurality of sampling ports 74 are different, the underground water sampling is made to be multidirectional, the underground water sampling efficiency is improved, after the underground water sampling is completed, the drill bit 71 can be disassembled to be cleaned comprehensively through the rotary disassembly of the thread structure 72 and the second thread groove 66, the adhesion of soil is reduced, and the sampling device is portable and has the characteristic of being convenient to disassemble and clean; the whole device is simple in structure, convenient and fast to operate and high in practicability.

It should be noted that the utility model relates to an underground water sampling device, at first when the sample main part 1 is used, the sample main part 1 is held manually and can be carried, when the sample main part 1 is sucking underground water under pressure, when the extension tube 4 is pulled upwards, the handle 5 is held and pulled upwards, the operation is convenient, the sealing gasket 11 on the extension tube 4 makes the connection of the extension tube 4 and the sample main part 1 be hermeticity, reduce pressure leakage, when the underground water is sampled, the sample main part 1 is also suitable for directly extracting water in the underground well for sampling operation, when the underground water is sampled in an inserting way, the drilling structure 7 is inserted into the ground at first, through setting the thread structure 72 on the drill bit 71 on the drilling structure 7, the spiral tooth 73 is set on the outer surface of the drill bit 71, when the sample main part 1 is inserted into the ground, the spiral tooth 73 is positioned underground and inserted in a rotating mode by rotating the sampling main body 1, manual operation is convenient, manual operation difficulty is reduced, the spiral tooth 73 is in contact with the spiral pipe 62, the stability of the sampling device in contact with the underground is enhanced, the phenomenon of dumping when the sampling device samples is avoided, a plurality of sampling ports 74 which are uniformly distributed are formed in the drill bit 71, underground water is sucked into the sampling main body 1 through the sampling ports 74 when the stretching pipe 4 is lifted upwards, the heights of the sampling ports 74 are different, underground water sampling is multidirectional, the underground water sampling efficiency is improved, after underground water sampling is completed, the threaded structure 72 and the second threaded groove 66 are disassembled in a rotating mode, comprehensive device cleaning can be performed after the drill bit 71 is disassembled, adhesion of soil is reduced, the sampling device is portable, and meanwhile the sampling device has the characteristic of being convenient to disassemble and clean; the spiral pipe 62 and the clamping groove 63 are arranged on the circulating pipe 61 on the filtering structure 6, the filtering pipe 64 detachably connected with the circulating pipe 61 through the clamping groove 63 is provided with two layers of filter screens 65, when the sampling main body 1 samples underground water, firstly, the underground water is rotatably inserted into the underground, the underground water is upwards extracted through the lifting of the stretching pipe 4, the underground water is filtered through the two layers of filter screens 65 when the underground water is sampled, the mesh densities of the two filter screens 65 are different, the filtering strength is increased when the underground water is sampled, the influence of fine or small impurities on a sampling detection result is avoided, the accuracy of underground water sampling is improved, the filtering pipe 64 is arranged in the circulating pipe 61 through the clamping groove 63, the filtering equipment has the disassembling performance, the filter screens 65 can be conveniently cleaned after the sampling device is used, the manual operation is inserted into the ground, the manufacturing cost of the sampling device is reduced, after the underground water is sampled, the sampling main body 1 is inverted, the filtering structure 6 and the drilling structure 7 are disassembled, the underground water after the sampling is poured into the detection equipment, and the soil after the sampling is prevented from falling and being polluted when the underground water is detected; the whole device is simple in structure and suitable for being used as a groundwater sampling device.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides an underground water sampling device, includes sample main part (1), its characterized in that: the utility model discloses a sampling device, including sample main part (1), the upper end fixedly connected with apron (2) of sample main part (1), the upper end middle part of apron (2) is opened spout (3) that have upper and lower break-over, the upper end middle part of apron (2) runs through and swing joint has tensile pipe (4) through spout (3), the handle (5) of the three evenly distributed of the surface upper portion fixedly connected with of tensile pipe (4), the lower extreme threaded connection of sample main part (1) has filtration (6), the lower extreme threaded connection of filtration (6) has drilling structure (7).

2. A groundwater sampling device as claimed in claim 1, wherein: the lower part of the outer surface of the stretching pipe (4) is fixedly connected with two sealing gaskets (11), and the lower end of the sampling main body (1) is provided with a first thread groove (12).

3. A groundwater sampling device as claimed in claim 2, wherein: the filtering structure (6) comprises a circulating pipe (61), a spiral pipe (62) is fixedly connected to the lower portion of the outer surface of the circulating pipe (61), two clamping grooves (63) are formed in the lower end of the circulating pipe (61), a filtering pipe (64) is detachably connected to the lower end of the circulating pipe (61) through the two clamping grooves (63), and two filter screens (65) are fixedly connected to the filtering pipe (64).

4. A groundwater sampling device as claimed in claim 3, wherein: the circulation pipe (61) is in threaded connection with the sampling main body (1) through a first thread groove (12), the mesh densities of the two filter screens (65) are different, and a second thread groove (66) is formed in the lower end of the circulation pipe (61).

5. A groundwater sampling device as claimed in claim 4, wherein: the drilling structure (7) comprises a drill bit (71), the upper part of the outer surface of the drill bit (71) is fixedly connected with a thread structure (72), the outer surface of the drill bit (71) is fixedly connected with spiral teeth (73), and the outer surface of the drill bit (71) is provided with a plurality of uniformly distributed sampling ports (74).

6. An underground water sampling apparatus according to claim 5, wherein: the drill bit (71) is in threaded connection with the circulating pipe (61) through a second thread groove (66), the spiral teeth (73) are in contact with the spiral pipe (62), and the heights of the sampling ports (74) are different respectively.

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