Sampling detection device

Abstract

The utility model provides a sampling detection device which comprises a sampling body which comprises a display part and a sampling part which are sequentially arranged in the vertical direction, and the sampling body is movably arranged in the vertical direction so that the sampling part can be inserted below a detection base plane; the sampling body further comprises a detection part, the detection part is arranged in an inner cavity of the sampling part, a sampling hole is formed in the cavity wall of the inner cavity, and the sampling hole can be opened and closed, so that when the sampling hole is opened, liquid to be detected below the detection base plane flows into the inner cavity of the sampling part through the sampling hole, and the detection part detects the liquid to be detected; the display part is in communication connection with the detection part to display the detection result of the detection part. The sampling and detecting device solves the problem that in the prior art, the accuracy of sampling and detecting results of underground water is low.

Description

TECHNICAL FIELD

[0001] The utility model relates to underground water detection technical field, specifically, relate to a sampling detection device. BACKGROUND

[0002] The collection of underground water samples is the prerequisite for carrying out underground water monitoring evaluation, remediation and environmental management. Underground water sampling is generally carried out by opening a hydrological hole on the ground until the underground water, then inserting a sampling tube into the underground water from the hydrological hole for sampling, and then taking out the sampling tube to measure the temperature and PH value of the obtained underground water sample. However, the underground water sample is easily affected by the surface temperature, air, light and the like during the detection process, resulting in inaccurate sampling and detection results of the underground water. SUMMARY

[0003] The main purpose of the utility model is to provide a sampling detection device to solve the problem of low accuracy of the sampling and detection results of underground water in the prior art.

[0004] In order to achieve the above-mentioned purpose, the sampling detection device provided by the utility model comprises: a sampling body, which comprises a display member and a sampling member arranged in sequence along the vertical direction, the sampling body is movably arranged along the vertical direction, so that the sampling member is inserted into the lower side of the detection base surface; the sampling body further comprises a detection member, the detection member is arranged in the inner cavity of the sampling member, a sampling hole is arranged on the cavity wall of the inner cavity, the sampling hole is arranged in an openable and closable manner, so that when the sampling hole is opened, the liquid to be detected below the detection base surface flows into the inner cavity of the sampling member through the sampling hole, so that the detection member detects the liquid to be detected; the display member is communicatively connected with the detection member, so as to display the detection result of the detection member.

[0005] Further, a display screen is arranged on the display member, and the sampling detection device further comprises a controller, the display member is communicatively connected with the controller, and the detection member is communicatively connected with the controller, so that the display screen displays the detection result of the detection member.

[0006] Further, the sampling member comprises a shell, the shell surrounds the inner cavity of the sampling member, a first partition plate is arranged in the inner cavity, the first partition plate divides the inner cavity into a first cavity and a second cavity, the first cavity is arranged above the second cavity; the detection member is arranged in the first cavity, the sampling hole is arranged on the cavity wall of the second cavity, a first communication hole is arranged on the first partition plate, the detection head of the detection member passes through the first communication hole to extend into the second cavity, so that the detection head contacts with the liquid to be detected in the second cavity.

[0007] Further, the sampling detection device further comprises a plugging member, the plugging member has a first position for plugging the sampling hole and a second position for opening the sampling hole, the plugging member is reciprocally movably arranged along the vertical direction, so that the plugging member is switched between the first position and the second position. Further, the sampling detection device further comprises a plugging member, the plugging member has a first position for plugging the sampling hole and a second position for opening the sampling hole, the plugging member is reciprocally movably arranged along the vertical direction, so that the plugging member is switched between the first position and the second position.

[0008] Further, the sampling detection device further comprises a driving member and a transmission component, the driving member is in driving connection with the transmission component, and the transmission component is in transmission connection with the blocking member, so that the driving member drives the blocking member to move through the transmission component.

[0009] Further, the transmission component comprises a sliding shaft, a transmission block and a transmission rod, the transmission rod is movably arranged on the first partition plate in the inner cavity, two ends of the transmission rod are respectively connected with the blocking member and the transmission block, the transmission block has a transmission inclined surface for abutting with the sliding shaft, and the sliding shaft is arranged to be reciprocatingly and slidably arranged along a first preset direction, so that when the sliding shaft slides towards the direction close to the central axis of the sampling member, the sliding shaft is separated from the transmission inclined surface, the transmission block moves upward along the vertical direction, and the blocking member is switched from the first position to the second position.

[0010] Further, the transmission component further comprises an elastic member, the elastic member is sleeved on the transmission rod, one end of the elastic member is connected with the transmission rod, and the other end of the elastic member is connected with the first partition plate, so that when the blocking member is in the first position, the sliding shaft abuts against the transmission inclined surface, the transmission block is pressed, and the elastic member is elastically deformed; when the sliding shaft is separated from the transmission inclined surface, the elastic member restores the elastic deformation and presses the transmission rod, so that the transmission block moves.

[0011] Further, the sampling detection device further comprises a transmission screw, a first transmission member and a second transmission member, the transmission screw is in driving connection with the driving member, the first transmission member is in threaded connection with the transmission screw, the second transmission member is movably sleeved on the transmission screw, the first transmission member is arranged above the second transmission member, the sliding shaft is in transmission connection with the second transmission member, so that the transmission screw rotates to drive the second transmission member to move upward along the vertical direction, and the sliding shaft slides along the first preset direction towards the direction close to the central axis of the sampling member; wherein, the central axis of the second transmission member is arranged to coincide with the central axis of the sampling member.

[0012] Further, a sliding groove is arranged on the side wall of the second transmission member, the sliding groove extends along a second preset direction, an end portion of the sliding shaft is provided with a sliding block, the sliding block is matched with the sliding groove, so that the sliding shaft is in transmission connection with the second transmission member; and / or, along the vertical direction towards the direction close to the first transmission member, the distance between the sliding groove and the central axis of the second transmission member gradually increases, so that when the second transmission member moves upward along the vertical direction, the second transmission member drives the sliding shaft to slide.

[0013] Further, the sampling body further comprises a counterweight, the counterweight is arranged below the sampling member along the vertical direction, so as to increase the counterweight of the sampling body, the counterweight has a first end and a second end arranged opposite along the vertical direction, the first end is arranged away from the sampling member relative to the second end, and the distance between the circumferential edge of the counterweight and the central axis of the sampling body gradually decreases from the second end to the first end.

[0014] The technical scheme of the utility model discloses sampling detection device includes sampling body, sampling body includes display piece, sampling piece and detection piece, detection piece sets up in the inner chamber of sampling piece, is provided with sampling hole on the cavity wall of inner chamber. BRIEF DESCRIPTION OF DRAWINGS

[0015] The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the application and are incorporated herein by reference. The embodiments illustrated in the drawings are provided to explain the present application and are not meant to limit the present application. In the drawings:

[0016] Figure 1 Fig. 1 shows a structural schematic diagram of an embodiment of the sampling detection device according to the utility model;

[0017] Figure 2 Fig. 2 shows an internal structure cross-sectional schematic diagram of the embodiment of the sampling detection device according to the utility model;

[0018] Figure 3 Fig. 3 shows a structural schematic diagram of the sampling detection device according to the utility model; Figure 2 Fig. 4 shows a local enlarged schematic diagram of A in Fig. 3;

[0019] Figure 4 Fig. 5 shows a structural schematic diagram of the sampling detection device according to the utility model; Figure 2 Fig. 6 shows a local enlarged schematic diagram of B in Fig. 5;

[0020] Figure 5 Fig. 7 shows a structural schematic diagram of the second transmission piece of the sampling detection device according to the utility model.

[0021] In the above drawings, the following reference signs are used:

[0022] 1, housing; 10, display piece; 20, sampling piece; 30, detection piece; 31, first sealing ring; 32, second sealing ring; 11, display screen; 21, sampling hole; 22, first partition plate; 23, first cavity; 24, second cavity; 40, blocking piece; 50, driving piece; 61, sliding shaft; 62, transmission block; 621, transmission inclined surface; 63, transmission rod; 64, elastic piece; 65, transmission lead screw; 66, first transmission piece; 67, second transmission piece; 68, sliding groove; 69, sliding block; 70, counterweight; 80, pulling rope; 81, scale; 82, connecting plate; 83, support rod; 84, support sleeve ring. DETAILED DESCRIPTION

[0023] It is to be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and / or "comprising," when used in this specification, specify the presence of stated features, steps, operations, elements, components, and / or groups thereof, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and / or groups thereof.

[0024] The relative arrangement of parts and steps, numerical expressions, and numerical values set forth in the examples are not intended to limit the scope of the present application, unless otherwise specifically stated. It is to be understood that the drawings are not necessarily to scale of the various parts shown in the drawings. Techniques, methods, and apparatus known to those of ordinary skill can not be discussed in detail because such techniques, methods, and apparatus are believed to be readily accepted as part of a reasonable argument. In all examples shown and discussed herein, any specific value is to be interpreted as merely exemplary and not as a limitation. Thus, other examples of example embodiments can have different values. It should be noted that like reference numerals and letters refer to like items in the following drawings, and thus, once an item is defined in one drawing, it need not be discussed further in subsequent drawings.

[0025] In the description of the present application, it needs to be understood that the orientation words such as "front, back, up, down, left, right", "transverse, vertical, perpendicular, horizontal" and "top, bottom" and the like indicated orientation or position relationship are generally based on the orientation or position relationship shown in the drawings, only for the convenience of describing the present application and simplifying the description, without the opposite indication, these orientation words do not indicate and imply that the indicated device or element must have a specific orientation or be constructed and operated in a specific orientation, therefore, it cannot be understood as a limitation on the scope of protection of the present application; the orientation words "inner, outer" refer to the inner and outer of the contour of each component itself.

[0026] Reference is made to Figures 1 to 5The utility model provides a kind of sampling detection device, comprising: sampling body, including the display piece 10 and sampling piece 20 that are sequentially arranged along vertical direction, sampling body is movably arranged along vertical direction, to make sampling piece 20 be inserted to the below of detection base surface;Sampling body further includes detection piece 30, detection piece 30 is arranged in the inner chamber of sampling piece 20, sampling hole 21 is arranged on the cavity wall of inner chamber, sampling hole 21 is open and close to be arranged, to be detected liquid below detection base surface flows into the inner chamber of sampling piece 20 via sampling hole 21 when sampling hole 21 opens, to make detection piece 30 detect to be detected liquid;Display piece 10 is connected with detection piece 30 in communication, to show the detection result of detection piece 30.

[0027] The sampling detection device of the utility model includes sampling body, and the sampling body includes display piece 10, sampling piece 20 and detection piece 30, and the detection piece 30 is arranged in the inner chamber of the sampling piece 20, and the cavity wall of the inner chamber is provided with sampling hole 21. By inserting sampling piece 20 to the below of detection base surface, then opening sampling hole 21, so that the to-be-detected liquid below the detection base surface flows into the inner chamber of sampling piece 20 via sampling hole 21, then the to-be-detected liquid is detected by detection piece 30, and the detection result of detection piece 30 can be observed in real time by display piece 10, and then the to-be-detected liquid does not need to be taken to the above of detection base surface for detection, and then the to-be-detected liquid is avoided to be influenced by factors such as ground surface temperature, air and illumination, so that the problem that the sampling detection result of underground water in the prior art is low in accuracy is solved, and the accuracy of the sampling detection result of underground water is improved.

[0028] Specifically, the to-be-detected liquid is underground water, and the detection base surface is ground.

[0029] In the embodiment, as shown in Figure 1 And Figure 2 Display screen 11 is arranged on display piece 10, and the sampling detection device further includes a controller, display piece 10 is connected with the controller in communication, and detection piece 30 is connected with the controller in communication, so that display screen 11 displays the detection result of detection piece 30.

[0030] Specifically, the controller is used for controlling detection piece 30 and display piece 10, so that the detection result of detection piece 30 can be displayed by display piece 10, wherein display screen 11 is used for displaying the detection result, facilitates user reading, and the use convenience of the utility model is improved.

[0031] In the embodiment, as shown in Figure 2As shown, the sampling member 20 comprises a housing 1, the housing 1 encloses an inner cavity of the sampling member 20, a first partition plate 22 is arranged in the inner cavity, the first partition plate 22 divides the inner cavity into a first cavity 23 and a second cavity 24, the first cavity 23 is arranged above the second cavity 24; a detection member 30 is arranged in the first cavity 23, a sampling hole 21 is arranged on the cavity wall of the second cavity 24, a first communication hole is arranged on the first partition plate 22, a detection head of the detection member 30 penetrates through the first communication hole to extend into the second cavity 24, so that the detection head is in contact with the liquid to be detected in the second cavity 24.

[0032] Specifically, the inner cavity is divided into the first cavity 23 and the second cavity 24 by the first partition plate 22, the detection member 30 is arranged in the first cavity 23, and the detection head of the detection member 30 penetrates through the first communication hole to extend into the second cavity 24, which can avoid the liquid to be detected flowing into the first cavity 23, thereby preventing the liquid to be detected from flooding the detection member 30 and causing damage to the detection member 30, thereby ensuring the detection reliability of the detection member 30.

[0033] Specifically, the detection member 30 is three, the three detection members 30 are a thermometer and a TDS tester respectively, and the three detection members 30 are arranged on the first partition plate 22 in a spaced manner; the thermometer can detect the temperature of the underground water, the PH meter can detect the acidity and alkalinity of the underground water, and the TDS tester can detect the content of total dissolved solids of the underground water; the sampling and detection device further comprises a first sealing ring 31, the first sealing ring 31 is three, and the three first sealing rings 31 are arranged in one-to-one correspondence with the three detection members 30; each first sealing ring 31 is sleeved on the detection head of the corresponding detection member 30 and abuts against the lower plate surface of the first partition plate 22 to seal the first communication hole, thereby further preventing the liquid to be detected from flowing into the first cavity 23.

[0034] In the embodiment, as shown in Figure 2 The sampling and detection device further comprises a blocking member 40, the blocking member 40 has a first position for blocking the sampling hole 21 and a second position for opening the sampling hole 21, and the blocking member 40 is arranged to reciprocally move along the vertical direction to switch between the first position and the second position.

[0035] Specifically, the blocking member 40 reciprocally moves along the vertical direction to switch between the first position and the second position, thereby closing or opening the sampling hole 21, and effectively controlling the flow rate and flow time of the liquid to be detected flowing into the second cavity 24.

[0036] In the embodiment, as shown in Figure 3 and Figure 4As shown, the sampling detection device further comprises a driving member 50 and a transmission component, the driving member 50 is in driving connection with the transmission component, and the transmission component is in transmission connection with the blocking member 40, so that the driving member 50 drives the blocking member 40 to move through the transmission component.

[0037] Specifically, the transmission component is used to transmit the driving member 50 and the blocking member 40, thereby ensuring the movement reliability of the blocking member 40, and further ensuring that the sampling hole 21 can be precisely opened or closed. When sampling is needed, the sampling hole 21 is opened to allow the to-be-detected liquid to flow in smoothly. When the sampling is completed, the sampling hole 21 is closed during the up-and-down movement of the sampling body along the vertical direction, so as to prevent the impurities such as sand and stones below the detection base surface from entering the first cavity 23 through the sampling hole 21.

[0038] In this embodiment, as shown in Figure 3 and Figure 4 The transmission component comprises a sliding shaft 61, a transmission block 62, and a transmission rod 63. The transmission rod 63 is movably arranged on the first partition plate 22 of the inner cavity. The two ends of the transmission rod 63 are respectively connected with the blocking member 40 and the transmission block 62. The transmission block 62 has a transmission inclined surface 621 for abutting against the sliding shaft 61. The sliding shaft 61 is slidably arranged along a first preset direction. When the sliding shaft 61 slides toward the direction close to the central axis of the sampling member 20, the sliding shaft 61 is separated from the transmission inclined surface 621, so that the transmission block 62 moves upward along the vertical direction, and the blocking member 40 is switched from the first position to the second position.

[0039] Specifically, the transmission block 62 can reciprocate along the vertical direction through the cooperation of the sliding shaft 61 and the transmission block 62, thereby enabling the blocking member 40 to reciprocate along the vertical direction.

[0040] Specifically, by sliding the sliding shaft 61 toward the direction away from the central axis of the sampling member 20, the sliding shaft 61 abuts against the transmission inclined surface 621, so that the sliding shaft 61 presses the transmission block 62 downward. The transmission block 62 drives the blocking member 40 to move downward along the vertical direction through the transmission rod 63, so that the blocking member 40 is switched from the second position to the first position. By sliding the sliding shaft 61 toward the direction close to the central axis of the sampling member 20, the sliding shaft 61 is separated from the transmission inclined surface 621, so that the sliding shaft 61 no longer presses the transmission block 62 downward. The transmission block 62 moves upward along the vertical direction, so that the blocking member 40 is switched from the first position to the second position.

[0041] Specifically, the first partition plate 22 is provided with a through hole for the transmission rod 63 to pass through. The sampling detection device further comprises a plurality of second sealing rings 32, which are arranged in one-to-one correspondence with the plurality of transmission rods 63. Each second sealing ring 32 is sleeved on the corresponding transmission rod 63 and abuts against the lower plate surface of the first partition plate 22 to seal the through hole, thereby preventing the to-be-detected liquid from flowing into the first cavity 23.

[0042] In the embodiment, as shown in Figure 3 and Figure 4 , the transmission component further comprises an elastic member 64, the elastic member 64 is sleeved on the transmission rod 63, one end of the elastic member 64 is connected with the transmission rod 63, and the other end of the elastic member 64 is connected with the first partition plate 22, so that when the blocking piece 40 is in the first position, the sliding shaft 61 abuts against the transmission inclined surface 621, the transmission block 62 is extruded, and the elastic member 64 is elastically deformed; wherein when the sliding shaft 61 is separated from the transmission inclined surface 621, the elastic member 64 restores the elastic deformation and extrudes the transmission rod 63, so that the transmission block 62 moves.

[0043] Specifically, the elastic member 64 provides power for the upward movement of the transmission block 62, so as to ensure that the transmission block 62 can move upward in the vertical direction, and further ensure that the blocking piece 40 can be switched from the first position to the second position.

[0044] In specific implementation, when the blocking piece 40 is in the first position, the sliding shaft 61 abuts against the transmission inclined surface 621, the transmission block 62 is extruded, and the elastic member 64 is elastically deformed; when the sliding shaft 61 is separated from the transmission inclined surface 621 and the sliding shaft 61 no longer extrudes the transmission block 62 downward, the elastic member 64 resets, and the elastic member 64 drives the transmission block 62 to move upward in the vertical direction.

[0045] In the embodiment, as shown in Figure 3 and Figure 4 , the sampling detection device further comprises a transmission screw rod 65, a first transmission member 66 and a second transmission member 67, the transmission screw rod 65 is drivingly connected with the driving member 50, the first transmission member 66 is threadedly connected with the transmission screw rod 65, the second transmission member 67 is movably sleeved on the transmission screw rod 65, the first transmission member 66 is arranged above the second transmission member 67, and the sliding shaft 61 is drivingly connected with the second transmission member 67, so that the transmission screw rod 65 rotates to drive the second transmission member 67 to move upward in the vertical direction, so that the sliding shaft 61 slides in the first preset direction towards the center axis of the sampling member 20; wherein the center axis of the second transmission member 67 is arranged coincidentally with the center axis of the sampling member 20.

[0046] Specifically, the driving member 50 drives the transmission screw rod 65 to rotate, so that the first transmission member 66 drives the second transmission member 67 to reciprocate in the vertical direction, and further drives the sliding shaft 61 to slide in the first preset direction towards or away from the center axis of the sampling member 20, so that the transmission block 62 can reciprocate in the vertical direction, and further ensures that the blocking piece 40 can be smoothly switched between the first position and the second position. Wherein the driving member 50 is a motor.

[0047] Specifically, the sampling holes 21 are multiple, the multiple sampling holes 21 are arranged on the cavity wall of the second cavity 24 in a circumferential direction of the sampling member 20, the blocking members 40 are multiple, the multiple blocking members 40 are arranged in one-to-one correspondence with the multiple sampling holes 21, and the transmission components are multiple, the multiple transmission components are arranged in one-to-one correspondence with the multiple blocking members 40.

[0048] Optionally, the sampling holes 21 are two.

[0049] Specifically, as shown in Figure 3 and Figure 4 , the sampling detection device further comprises a connecting plate 82, the connecting plate 82 is connected with the cavity wall of the first cavity 23, the multiple transmission blocks 62 are arranged on the connecting plate 82, so that the connecting plate 82 can limit and support the transmission blocks 62, and the multiple transmission rods 63 are arranged through the connecting plate 82 to be connected with the corresponding transmission blocks 62.

[0050] Specifically, as shown in Figure 3 and Figure 4 , the transmission component further comprises a support rod 83 and a support sleeve ring 84, one end of the support rod 83 is connected with the cavity wall of the first cavity 23, the other end of the support rod 83 is connected with the support sleeve ring 84, the support sleeve ring 84 extends along a first preset direction, the slide shaft 61 is slidably arranged in the support sleeve ring 84 along the first preset direction, and the support rod 83 and the support sleeve ring 84 are used for supporting and limiting the slide shaft 61, so as to ensure that the slide shaft 61 can stably slide along the first preset direction. Wherein, as shown in Figure 3 , the first preset direction is arranged at a certain angle with the second preset direction.

[0051] In the embodiment, as shown in Figure 4 and Figure 3 , the side wall of the second transmission member 67 is provided with a sliding groove 68, the sliding groove 68 extends along the second preset direction, the end of the slide shaft 61 is provided with a sliding block 69, the sliding block 69 is matched with the sliding groove 68, so that the slide shaft 61 is in transmission connection with the second transmission member 67; and / or, the distance between the sliding groove 68 and the center axis of the second transmission member 67 gradually increases in the vertical direction towards the direction close to the first transmission member 66, so that the second transmission member 67 drives the slide shaft 61 to slide when the second transmission member 67 moves upward in the vertical direction.

[0052] Specifically, the slide shaft 61 is in transmission connection with the second transmission member 67 through the sliding connection of the sliding groove 68 and the sliding block 69, so that the second transmission member 67 can drive the slide shaft 61 to move.

[0053] Specifically, as the distance between the sliding groove 68 and the central axis of the second transmission member 67 gradually increases in the vertical direction towards the direction close to the first transmission member 66, the distance between the top of the sliding groove 68 and the central axis of the second transmission member 67 is greater than the distance between the bottom of the sliding groove 68 and the central axis of the second transmission member 67, when the second transmission member 67 moves upward in the vertical direction, the sliding block 69 slides from the top of the sliding groove 68 to the bottom of the sliding groove 68, so that the distance between the sliding block 69 and the central axis of the second transmission member 67 becomes smaller, and then the sliding block 69 moves towards the direction close to the central axis of the sampling member 20, and then the shaft 61 is separated from the transmission inclined surface 621. Wherein, the central axis of the sampling member 20 is arranged coincidentally with the central axis of the second transmission member 67.

[0054] In the embodiment, as shown in Figure 3 The sampling body further comprises a counterweight 70 arranged below the sampling member 20 in the vertical direction to increase the weight of the sampling body, the counterweight 70 has oppositely arranged first and second ends in the vertical direction, the first end is arranged away from the sampling member 20 relative to the second end, and the distance between the circumferential edge of the counterweight 70 and the central axis of the sampling body gradually decreases from the second end to the first end.

[0055] Specifically, the counterweight 70 is used to increase the weight of the sampling body, so as to facilitate the user to control the depth of the sampling member 20 immersed in the liquid to be detected, and then ensure that the sampling hole 21 is smoothly placed into the liquid to be detected without needing to immerse the whole sampling member 20 into the liquid to be detected, thereby avoiding damage to the driving member 50 and the detection member 30; and the distance between the circumferential edge of the counterweight 70 and the central axis of the sampling body gradually decreases from the second end to the first end, which is helpful for placing the counterweight 70 below the detection base surface, and further helps the sampling hole 21 to be smoothly placed into the liquid to be detected, thereby ensuring that the sampling member 20 can smoothly complete sampling.

[0056] Specifically, as shown in Figure 5 Figure 1 Figure 1 The sampling body further comprises a pulling rope 80 provided with a scale 81, the pulling rope 80 is fixedly connected with the display member 10 before the sampling body reaches the detection position, the user moves the sampling body by pulling the pulling rope 80, and when the sampling body reaches the detection position, the pulling rope 80 is movably arranged in the display member 10, the distance of the downward movement of the sampling member 20 can be read through the scale 81 on the pulling rope 80 when the sampling member 20 and the display member 10 move downward, which facilitates the user to accurately control the depth of the sampling member 20 immersed in the liquid to be detected, and further improves the use convenience of the sampling and detection device.

[0057] From the above description, it can be seen that the above-mentioned embodiments of the present application achieve the following technical effects:

[0058] The sampling detection device of the utility model discloses a sampling body, the sampling body includes display piece 10, sampling piece 20 and detection piece 30, detection piece 30 is arranged in the inner chamber of sampling piece 20, and the cavity wall of inner chamber is provided with sampling hole 21. By inserting sampling piece 20 to the below of detection base surface, then opening sampling hole 21, make the liquid to be detected below detection base surface flow into the inner chamber of sampling piece 20 via sampling hole 21, then the liquid to be detected is detected by detection piece 30, the detection result of detection piece 30 can be observed in real time through display piece 10, and then the liquid to be detected does not need to be taken to the above of detection base surface and detected, and then the liquid to be detected is avoided to be influenced by the factors such as ground surface temperature, air, illumination, thereby the problem that the sampling detection result of groundwater in the prior art is low in accuracy is solved, and the accuracy of the sampling detection result of groundwater is improved.

[0059] For convenience in description, spatially relative terms can be used herein for the purpose of illustration, such as "above", "below", "upper", "lower", and the like. Without wishing to be limiting, it will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientations depicted in the figures. For example, if a device described herein is turned over, then a portion that was above another portion would now be below that portion. Accordingly, the exemplary term "above" can encompass both an orientation of above and below. The device can be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly. The terms "first", "second", "third", etc. can be used herein to describe various elements, but the elements should not be limited by these terms. The terms "first", "second", "third", etc. are also used in this specification to describe different components but do not imply these components must be in a certain order. It is to be understood that the terms so used are interchangeable under appropriate circumstances and embodiments of the application are capable of use in other combinations and conditions and of being arranged in different orientations.

[0060] In addition, it should be noted that the use of "first", "second", and the like words of distinction do not connote any actual physical or logical relationship between elements. Rather, such words are used merely to distinguish one element from another.

[0061] The above only describes preferred embodiments of the utility model, and does not limit the utility model, and the utility model can have various changes and changes for the person skilled in the art. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A sampling detection device, characterized by, The sampling detection device comprises a sampling body, a display member (10) and a sampling member (20) arranged in sequence along a vertical direction, the sampling body is movably arranged along the vertical direction to insert the sampling member (20) below a detection base surface; The sampling body further comprises a detection member (30) arranged in an inner cavity of the sampling member (20), a sampling hole (21) is arranged on a cavity wall of the inner cavity, the sampling hole (21) is arranged to be openable and closable, when the sampling hole (21) is opened, the liquid to be detected below the detection base surface flows into the inner cavity of the sampling member (20) through the sampling hole (21), so that the detection member (30) detects the liquid to be detected; The display member (10) is in communication connection with the detection member (30) to display the detection result of the detection member (30). The display member (10) is provided with a display screen (11), and the sampling detection device further comprises a controller, the display member (10) is in communication connection with the controller, and the detection member (30) is in communication connection with the controller, so that the display screen (11) displays the detection result of the detection member (30).

2. The sampling detection device of claim 1, wherein, The sampling member (20) comprises a shell (1) surrounding an inner cavity of the sampling member (20), a first partition plate (22) is arranged in the inner cavity, the first partition plate (22) divides the inner cavity into a first cavity (23) and a second cavity (24), and the first cavity (23) is arranged above the second cavity (24); 3. The sampling detection device of claim 1, wherein, The detection member (30) is arranged in the first cavity (23), the sampling hole (21) is arranged on the cavity wall of the second cavity (24), a first communication hole is arranged on the first partition plate (22), a detection head of the detection member (30) penetrates through the first communication hole to extend into the second cavity (24), so that the detection head contacts the liquid to be detected in the second cavity (24). The sampling detection device further comprises a blocking member (40), the blocking member (40) has a first position for blocking the sampling hole (21) and a second position for opening the sampling hole (21), and the blocking member (40) is reciprocally movably arranged along the vertical direction to switch between the first position and the second position.

4. The sampling detection device of claim 1, wherein, The sampling detection device further comprises a driving member (50) and a transmission member, the driving member (50) is in driving connection with the transmission member, and the transmission member is in transmission connection with the blocking member (40), so that the driving member (50) drives the blocking member (40) to move through the transmission member.

5. The sampling detection device of claim 4, wherein, ​ 6. The sampling detection device of claim 5, wherein, The transmission component comprises a sliding shaft (61), a transmission block (62) and a transmission rod (63), the transmission rod (63) is movably arranged on a first partition plate (22) of the inner cavity, two ends of the transmission rod (63) are respectively connected with the sealing element (40) and the transmission block (62), the transmission block (62) has a transmission inclined surface (621) for abutting with the sliding shaft (61), the sliding shaft (61) is arranged to be reciprocally and slidably arranged along a first preset direction, when the sliding shaft (61) slides towards the direction close to the central axis of the sampling element (20), the sliding shaft (61) is separated from the transmission inclined surface (621), so that the transmission block (62) moves upwards along the vertical direction, and the sealing element (40) is switched from the first position to the second position.

7. The sampling detection device of claim 6, wherein, The transmission component further comprises an elastic element (64), the elastic element (64) is sleeved on the transmission rod (63), one end of the elastic element (64) is connected with the transmission rod (63), and the other end of the elastic element (64) is connected with the first partition plate (22), so that when the sealing element (40) is in the first position, the sliding shaft (61) abuts with the transmission inclined surface (621), the transmission block (62) is pressed, and the elastic element (64) is elastically deformed; wherein when the sliding shaft (61) is separated from the transmission inclined surface (621), the elastic element (64) restores the elastic deformation and presses the transmission rod (63), so that the transmission block (62) moves.

8. The sampling detection device of claim 6, wherein, The sampling detection device further comprises a transmission lead screw (65), a first transmission element (66) and a second transmission element (67), the transmission lead screw (65) is drivingly connected with the driving element (50), the first transmission element (66) is threadedly connected with the transmission lead screw (65), and the second transmission element (67) is movably sleeved on the transmission lead screw (65), the first transmission element (66) is arranged above the second transmission element (67), and the sliding shaft (61) is drivingly connected with the second transmission element (67), so that the transmission lead screw (65) rotates to drive the second transmission element (67) to move upwards along the vertical direction, so that the sliding shaft (61) slides along the first preset direction towards the direction close to the central axis of the sampling element (20); wherein the central axis of the second transmission element (67) is arranged to coincide with the central axis of the sampling element (20).

9. The sampling detection device of claim 8, wherein, A sliding groove (68) is arranged on the side wall of the second transmission element (67), the sliding groove (68) extends along a second preset direction, an end of the sliding shaft (61) is provided with a sliding block (69), the sliding block (69) cooperates with the sliding groove (68), so that the sliding shaft (61) is drivingly connected with the second transmission element (67); and / or The distance between the chute (68) and the central axis of the second transmission member (67) gradually increases in a direction along the vertical direction towards the first transmission member (66), so that the second transmission member (67) drives the sliding shaft (61) to slide when the second transmission member (67) moves upward along the vertical direction.

10. The sampling detection device of claim 1, wherein, The sampling body further comprises a counterweight (70) arranged below the sampling member (20) along the vertical direction to increase the weight of the sampling body, the counterweight (70) has oppositely arranged first and second ends along the vertical direction, the first end is arranged away from the sampling member (20) relative to the second end, and the distance between the circumferential edge of the counterweight (70) and the central axis of the sampling body gradually decreases from the second end to the first end.

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