Detection device for heavy metal contaminated soil

Abstract

The utility model discloses a detection device for heavy metal contaminated soil, which relates to the technical field of soil detection and comprises a detector body, a display screen and a detection head are respectively arranged at the upper end and the lower end of the detector body, a support structure is mounted at the lower end of the detector body, and the support structure covers the lower portion of the detector body and the periphery of the detection head. The lower end of the supporting structure extends to the lower end of the detection head, and the supporting structure is a telescopic cover body; the multifunctional end cover is matched with the supporting structure, so that the detection head can be comprehensively protected, the supporting structure can stably support the detector body, a worker can extrude cleaning fluid in the filling cavity by pressing the annular bag, the cleaning fluid is sprayed out from the flushing hole, and the cleaning fluid is sprayed out from the flushing hole. The end, making contact with soil, of the detection head is washed, compared with the mode that the detection head is directly wiped through a towel, the cleaning effect is better, friction damage to the detection head is not likely to be caused, and the dual effect of integrating protection and cleaning is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to soil detection technical field, especially a kind of detection device for heavy metal contaminated soil. BACKGROUND

[0002] Among soil inorganic pollutants, heavy metal is more prominent, mainly because heavy metal cannot be decomposed by soil microorganism, easy to accumulate, in order to obtain the specific condition of soil contaminated by heavy metal, generally using detection device for heavy metal contaminated soil to detect soil;

[0003] According to the patent document with the publication number "CN207440095U", a kind of rapid detection device based on soil heavy metal pollution is disclosed, including device body, the side of device body is equipped with handle, the handle is fixedly connected with device body by bolt, the side of handle is embedded with compass, first switch and second switch, and the surface of handle is covered with hand pad, in addition, the inside of handle is installed with battery plate, and the inside of device body is installed with controller and detector, the controller is electrically connected with battery plate, and the detector is electrically connected with controller by first switch, the bottom of device body is installed with probe, and the probe is electrically connected with detector.

[0004] Based on the above search, combined with prior art, it is found that in prior art, the detection head (i.e. the probe in the above prior art) part of the device is not well protected after using the device, and may be damaged by external collision or friction when not in use, secondly, a small amount of soil is generally attached on the detection head after use and needs to be cleaned, and the existing cleaning method is mainly wiping, which is easy to cause friction damage to the detection head, and after a period of use, the sensitivity and accuracy of the detection head may be reduced or damaged, and the cleaning method is not good, so a detection device for heavy metal contaminated soil is needed. UTILITY MODEL CONTENT

[0005] The purpose of the present application is to provide a detection device for heavy metal contaminated soil to solve the problems raised in the background art.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a detection device for heavy metal contaminated soil, comprising a detector body, a display screen and a detection head are arranged at the upper and lower ends of the detector body respectively, a supporting structure is installed at the lower end of the detector body, the supporting structure is covered on the lower part of the detector body and the periphery of the detection head, the lower end of the supporting structure extends to the lower end of the detection head, and the supporting structure is a telescopic cover.

[0007] The multifunctional end cover is provided with a filling cavity at the bottom, and the filling cavity is filled with cleaning liquid. An elastic deforming ring capsule is fixed at the opening of the filling cavity to seal the opening of the filling cavity.

[0008] The multifunctional end cover is further provided with an inclined flushing hole extending towards the end of the detection head.

[0009] As a further supplement to the present scheme, a sewage collecting groove is provided at the top of the multifunctional end cover, and a sewage discharge port penetrating the multifunctional end cover is provided at the bottom of the sewage collecting groove.

[0010] A plugging plug is inserted into the sewage discharge port to seal the sewage discharge port, and the lower end of the plugging plug extends below the multifunctional end cover and is provided with a notch.

[0011] As a further supplement to the present scheme, the sewage collecting groove is an inverted trapezoidal groove with a larger upper diameter and a smaller lower diameter.

[0012] The flushing hole is provided with a plurality of flushing holes uniformly distributed on the plurality of inclined side walls of the sewage collecting groove, and the plurality of flushing holes are inclined towards the end of the detection head.

[0013] The opening of the flushing hole is fixed with a guide ring, and the circumferential side of the guide ring is an inclined side wall.

[0014] As a further supplement to the present scheme, a liquid adding pipe penetrating the ring capsule is fixed on the ring capsule, and a plug column closing the liquid adding pipe is inserted into the liquid adding pipe, and the lower end of the plug column is rotatably embedded with a rotating pull ring.

[0015] As a further supplement to the present scheme, the support structure comprises:

[0016] A first mounting ring is fixedly provided on the lower part of the detector body;

[0017] A second mounting ring is provided in parallel with the first mounting ring and has the same structure as the first mounting ring, and the first mounting ring is located below the detection head;

[0018] A connecting rod is fixed at the upper end of the second mounting ring and movably penetrates the first mounting ring, and the upper end of the connecting rod is integrally formed with a limiting part having a larger diameter than the connecting rod;

[0019] A telescopic cover is a telescopic annular cover body, and the upper and lower ends of the telescopic cover are fixed with the lower end of the first mounting ring and the upper end of the second mounting ring, respectively. The telescopic cover is provided outside the connecting rod.

[0020] The multifunctional end cover is connected to the lower end of the second mounting ring.

[0021] As a further supplement to the scheme, the supporting structure further comprises a compression spring movably sleeved on the connecting rod, and the upper and lower ends of the compression spring are fixed with the lower end of the first mounting ring and the upper end of the second mounting ring respectively.

[0022] As a further supplement to the scheme, the upper end of the first mounting ring is fixed with a grab ear on the left and right sides through a bolt;

[0023] The upper end of the detector body is hinged with a protective cover covering the display screen.

[0024] In summary, the technical effects and advantages of the utility model are:

[0025] 1、In the utility model, the multifunctional end cover and the supporting structure can comprehensively protect the detection head, avoid the detection head being exposed after use, and cause the detection head to be easily collided or rubbed by external objects, can play a good protection effect on the detection head, and the supporting structure can also stably support the detector body, so that the detector body can be directly placed on the ground during detection, without being held by hand, and the hands of the worker are released.

[0026] Meanwhile, the worker can also press the ring capsule to make the ring capsule deform inwardly into the filling cavity, so as to extrude the cleaning liquid in the filling cavity, and make the cleaning liquid spray out of the flushing hole to flush the end part of the detection head in contact with the soil, and after flushing, the multifunctional end cover is taken off for wiping, so that the cleaning operation of the detection head is completed, the cleaning effect is better than that of directly wiping with a towel, the detection head is not easily rubbed and damaged, and the dual effects of protection and cleaning are realized.

[0027] 2、In the utility model, the liquid adding pipe is used to inject the cleaning liquid into the ring capsule and the filling cavity, so as to supplement the cleaning liquid, and after one cleaning is completed, the user can also pull out the plug column and the plug to make the outside, the filling cavity and the sewage collecting tank communicate, after the cleaning liquid is completely discharged, the user can insert the plug column to close the liquid adding pipe, and press the ring capsule again, so that the air in the filling cavity is extruded and sprayed out of the flushing hole to the lower end of the detection head, so that the airflow cleaning effect is realized, the cleaning effect is further enhanced, and the residual cleaning liquid at the lower end of the detection head can be quickly dried by the sprayed airflow, so that the cleaning effect is quickly completed. BRIEF DESCRIPTION OF DRAWINGS

[0028] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creating any creative labor.

[0029] Figure 1 is a schematic view of the stereoscopic structure in the embodiment;

[0030] Figure 2 is a schematic view of the supporting structure when the telescopic cover is removed in the embodiment;

[0031] Figure 3 is a schematic view of the first perspective structure of the multifunctional end cover in the embodiment;

[0032] Figure 4 is a sectional view of the multifunctional end cover in the embodiment;

[0033] Figure 5 is a schematic view of the second perspective structure of the multifunctional end cover in the embodiment.

[0034] In the figure: 1, detector body; 11, display screen; 12, detection head; 13, protective cover; 2, supporting structure; 21, first mounting ring; 22, second mounting ring; 23, connecting rod; 24, telescopic cover; 25, compression spring; 3, grab ear; 4, multifunctional end cover; 41, pollution collection tank; 42, filling cavity; 43, pollution discharge port; 44, flushing hole; 5, ring capsule; 51, liquid filling pipe; 52, plug column; 521, rotating pull ring; 6, guide ring; 7, plugging plug. DETAILED DESCRIPTION

[0035] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0036] Embodiment: refer to Figures 1-5 The detection device for heavy metal contaminated soil shown in the figure comprises a detector body 1, a display screen 11 and a detection head 12 are arranged at the upper and lower ends of the detector body 1 respectively, a supporting structure 2 is installed at the lower end of the detector body 1, the supporting structure 2 is covered on the lower part of the detector body 1 and the circumferential side of the detection head 12, the lower end of the supporting structure 2 extends to the lower end of the detection head 12, and the supporting structure 2 is a telescopic cover body;

[0037] A multifunctional end cover 4 is combined with the lower end of the supporting structure 2 to close the opening of the lower end of the supporting structure 2, a filling cavity 42 is formed in the bottom of the multifunctional end cover 4, cleaning liquid is filled in the filling cavity 42, the cleaning liquid used in the prior art and suitable for the embodiment (such as water) is adopted, an elastic ring capsule 5 is fixed at the opening of the filling cavity 42, the elastic ring capsule 5 is a capsule body made of an elastic material (such as rubber) and having a semicircular cross section, and the elastic ring capsule 5 seals the opening of the filling cavity 42;

[0038] The multifunctional end cover 4 is also provided with a flushing hole 44 arranged obliquely, which extends obliquely towards the end of the detection head 12.

[0039] Based on the above structure, in use, the staff only needs to open the multifunctional end cover 4, and place the detection instrument body 1 above the soil to be detected, so that the lower end of the supporting structure 2 is in contact with the soil, and then only needs to press down the detection instrument body 1, so that the detection head 12 at the bottom of the detection instrument body 1 is in contact with the soil, and the heavy metal pollution condition of the soil can be detected, after the detection is completed, the supporting structure 2 is stretched again, and is covered on the lower part of the detection instrument body 1 and the outer side of the detection head 12, and then the multifunctional end cover 4 is covered on the lower end of the supporting structure 2, so that the overall protection of the detection head 12 is completed, which avoids that the detection head 12 is exposed after use, so that it is easy to be collided or rubbed by external objects, and can play a good protection effect on the detection head 12, and the supporting structure 2 can also stably support the detection instrument body 1, which can be directly placed on the ground during detection, without being held all the time, so as to free the hands of the staff;

[0040] Meanwhile, the staff can also press the ring capsule 5, so that the ring capsule 5 is deformed to be recessed into the inner side of the filling cavity 42, so as to squeeze the cleaning liquid in the filling cavity 42, and make the cleaning liquid sprayed out of the flushing hole 44 to flush the end of the detection head 12 in contact with the soil, and after flushing, the multifunctional end cover 4 is removed for wiping, so that the cleaning operation of the detection head 12 is completed, which has better cleaning effect than directly wiping with a towel (or a wiping paper), and is not easy to cause rubbing damage to the detection head 12, so as to realize the dual effects of protection and cleaning.

[0041] Further, the multifunctional end cover 4 is provided with a sewage collecting groove 41 at the top, and the bottom of the sewage collecting groove 41 is provided with a sewage discharge port 43 penetrating through the multifunctional end cover 4.

[0042] The sewage discharge port 43 is plugged with a plugging plug 7 for sealing the sewage discharge port 43, and the lower end of the plugging plug 7 extends to below the multifunctional end cover 4 and is provided with a notch.

[0043] Through the arrangement of the sewage collecting groove 41 and the sewage discharge port 43, the cleaning liquid for flushing the detection head 12 falls into the sewage collecting groove 41 and is collected, so as to avoid that the dirty cleaning liquid after cleaning is scattered to pollute other parts of the multifunctional end cover 4, and the dirty cleaning liquid can be directly discharged by pulling out the plugging plug 7, so as to facilitate the collection and treatment of the dirty cleaning liquid, and the use effect is better.

[0044] Further, the sewage collecting groove 41 is a reverse trapezoidal groove with a larger upper diameter and a smaller lower diameter.

[0045] The flushing holes 44 are arranged on the plurality of inclined side walls of the collecting tank 41 and are evenly distributed, and the plurality of flushing holes 44 are all arranged towards the end of the detection head 12, so that the detection head 12 can be flushed in multiple directions, and the flushing is more clean.

[0046] The plurality of flushing holes 44 are all fixed with the guide ring 6 at the openings, the circumferential side of the guide ring 6 is an inclined side wall, when the falling cleaning liquid falls on the circumferential side of the flushing hole 44, the cleaning liquid flows away from the circumferential side of the flushing hole 44 through the inclined surface of the guide ring 6, so as to avoid the backflow of the dirty cleaning liquid from the flushing hole 44 after use, and ensure that the dirty cleaning liquid can be completely discharged and does not affect the cleaning effect of the next time.

[0047] Further, the ring capsule 5 is fixed with the liquid filling pipe 51 penetrating through the ring capsule 5, the liquid filling pipe 51 is plugged with the plug column 52 sealing the liquid filling pipe 51, and the lower end of the plug column 52 is rotatably embedded with the rotating pull ring 521.

[0048] The staff can inject cleaning liquid into the ring capsule 5 and the filling cavity 42 through the liquid filling pipe 51, so as to supplement the cleaning liquid, and after one cleaning is completed, the user can also pull out the plug column 52 and the sealing plug 7, so that the outside is communicated with the filling cavity 42 and the collecting tank 41, after the cleaning liquid is completely discharged, the user can close the liquid filling pipe 51 by plugging the plug column 52, and press the ring capsule 5 again, so that the air in the filling cavity 42 is squeezed and sprayed to the lower end of the detection head 12 through the flushing hole 44, so as to achieve the effect of airflow cleaning, which can further enhance the cleaning effect, and the residual cleaning liquid at the lower end of the detection head 12 can be quickly dried by the sprayed airflow, so as to achieve the effect of quickly completing the cleaning.

[0049] Further, the supporting structure 2 comprises:

[0050] The first mounting ring 21 is fixedly sleeved on the lower part of the detector body 1;

[0051] The second mounting ring 22 is arranged in parallel with the first mounting ring 21 and has the same structure as the first mounting ring 21, and the first mounting ring 21 is located below the detection head 12;

[0052] The connecting rod 23 is fixed at the lower end of the second mounting ring 22 and movably penetrates the first mounting ring 21 at the upper end, and the upper end of the connecting rod 23 is integrally formed with a limiting portion having a larger diameter than the connecting rod 23;

[0053] The telescopic cover 24 is a telescopic annular cover body, the upper and lower ends of the telescopic cover 24 are fixed with the lower end of the first mounting ring 21 and the upper end of the second mounting ring 22 respectively, and the telescopic cover 24 is covered outside the connecting rod 23;

[0054] The multifunctional end cover 4 is clamped to the lower end of the second mounting ring 22.

[0055] The telescopic cover 24 and the multifunctional end cover 4 cooperate to form a complete cover body, which can comprehensively protect the lower part of the detector body 1 and the detection head 12. When detecting, the worker only needs to remove the multifunctional end cover 4 and place the second mounting ring 22 on the ground, so as to support the detector body 1. Then, the worker presses the detector body 1, so that the detector body 1 drives the first mounting ring 21 to descend along the connecting rod 23 and compresses the telescopic cover 24, so that the lower end of the detection head 12 is in contact with the soil, thereby facilitating the detection of heavy metal pollution.

[0056] Further, the supporting structure 2 further comprises a compression spring 25 movably sleeved on the connecting rod 23, and the upper and lower ends of the compression spring 25 are fixed to the lower end of the first mounting ring 21 and the upper end of the second mounting ring 22, respectively.

[0057] When the worker presses the detector body 1, the detector body 1 drives the first mounting ring 21 to descend and makes the compression spring 25 be compressed and deformed. When the worker removes the pressure on the detector body 1, the first mounting ring 21 is reset under the elastic force of the compression spring 25, so that the telescopic cover 24 is expanded again, thereby facilitating the automatic reset of the telescopic cover 24 after detection and playing a good protection role.

[0058] Further, the upper end of the first mounting ring 21 is fixed with the grab ears 3 on the left and right sides through bolts, so as to facilitate the worker to grasp the grab ears 3 to lift or press the detector body 1. The upper end of the detector body 1 is hinged with the protective cover 13 covering the display screen 11.

[0059] The utility model discloses working principle: in daily use process, when needing to detect the heavy metal pollution condition of soil, the staff needs to remove the multifunctional end cover 4 first, and places the second installation ring 22 on the ground, and the second installation ring 22 is supported stably with the first installation ring 21 to the detector body 1 under the cooperation of compression spring 25 and connecting rod 23, then presses the detector body 1, can make the detector body 1 drive the first installation ring 21 to descend along connecting rod 23, and compression telescopic cover 24, so that the detection head 12 lower end is contacted with soil, and the heavy metal pollution condition of soil is detected, after detection, the staff removes the pressure to the detector body 1, at this time, the first installation ring 21 resets under the elastic force of compression spring 25, so that telescopic cover 24 is unfolded again, and the detection head 12 is protected well on the side, the staff again covers the multifunctional end cover 4 on the second installation ring 22, can make the ring capsule 5 recess into the deformation of the inside of filling cavity 42 through the press ring capsule 5, so that the cleaning fluid in filling cavity 42 is extruded, and the cleaning fluid is sprayed from the flushing hole 44, and the end part of the detection head 12 contacted with soil is flushed, and the muddy cleaning fluid after flushing falls into the collection tank 41 and is collected, so that the muddy cleaning fluid after cleaning can not pollute other parts of the multifunctional end cover 4, and the sewage can be directly discharged by pulling out the block plug 7, so that the muddy cleaning fluid can be conveniently collected and treated, and the use effect is better.

[0060] In addition, the staff can also inject cleaning fluid into the ring capsule 5 and filling cavity 42 through the liquid filling pipe 51, so as to supplement the cleaning fluid, and after one cleaning, the user can also pull out the plug column 52 and the block plug 7, so that the outside is communicated with the filling cavity 42 and the collection tank 41, after the cleaning fluid is completely discharged, the user can close the liquid filling pipe 51 by inserting the plug column 52, and press the ring capsule 5 again, so that the air in the filling cavity 42 is extruded and sprayed to the lower end of the detection head 12 through the flushing hole 44, so as to achieve the effect of airflow cleaning, which can further enhance the cleaning effect, and the residual cleaning fluid at the lower end of the detection head 12 can be quickly dried by the sprayed airflow, so as to achieve the effect of quickly completing the cleaning.

[0061] Finally, it should be pointed out that: the above-mentioned only for the preferred embodiment of the utility model, and does not limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical scheme recorded in the foregoing embodiments, or equivalent replacement to part of technical features, 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 detection device for heavy metal contaminated soil, comprising a detector body (1), wherein the detector body (1) is provided with a display screen (11) and a detection head (12) at the upper and lower ends thereof, and characterized in that: A support structure (2) is installed at the lower end of the detector body (1), and the support structure (2) is provided at the lower part of the detector body (1) and around the detection head (12). The lower end of the support structure (2) extends to the lower end of the detection head (12), and the support structure (2) is a retractable cover. The lower end of the support structure (2) is covered with a multifunctional end cover (4) for closing the lower end opening of the support structure (2); a filling cavity (42) is provided at the bottom of the multifunctional end cover (4); the filling cavity (42) is filled with a cleaning liquid; an elastically deformable annular capsule (5) is fixed at the opening of the filling cavity (42); the annular capsule (5) seals the opening of the filling cavity (42); The multifunctional end cover (4) is also provided with an inclined flushing hole (44), and the flushing hole (44) extends obliquely toward the end of the detection head (12).

2. The heavy metal contaminated soil detection device according to claim 1, characterized in that: The multifunctional end cover (4) is provided with a sewage collecting groove (41) at the top, and a sewage outlet (43) penetrating the multifunctional end cover (4) is provided at the bottom of the sewage collecting groove (41); The sewage outlet (43) is plugged with a sealing plug (7) for sealing the sewage outlet (43). The lower end of the sealing plug (7) extends to the bottom of the multifunctional end cover (4) and is provided with a groove.

3. The device for detecting heavy metal contaminated soil according to claim 2, characterized in that: The sewage collecting groove (41) is an inverted trapezoidal groove with a larger diameter at the upper end and a smaller diameter at the lower end; The flushing holes (44) are provided in plurality and are evenly distributed on a plurality of inclined side walls of the dirt collecting tank (41), and the plurality of flushing holes (44) are all inclinedly arranged toward the end of the detection head (12); Wherein, a guide ring (6) is fixed at the opening of each of the plurality of flushing holes (44), and the peripheral side of the guide ring (6) is an inclined side wall.

4. The device for detecting heavy metal contaminated soil according to claim 3, characterized in that: A liquid adding tube (51) passing through the ring sac (5) is fixed on the ring sac (5), a plug (52) for sealing the liquid adding tube (51) is provided inside the liquid adding tube (51), and a rotating pull ring (521) is rotatably embedded at the lower end of the plug (52).

5. The device for detecting heavy metal contaminated soil according to claim 1, characterized in that: The supporting structure (2) comprises: A first mounting ring (21), the first mounting ring (21) being fixedly sleeved on the lower part of the detector body (1); a second mounting ring (22), the second mounting ring (22) having the same structure as the first mounting ring (21) and being arranged parallel to the first mounting ring (21), the first mounting ring (21) being located below the detection head (12); A connecting rod (23), wherein the lower end of the connecting rod (23) is fixed to the upper end of the second mounting ring (22), the upper end of the connecting rod (23) movably passes through the first mounting ring (21), and the upper end of the connecting rod (23) is integrally formed with a limiting portion having a diameter larger than that of the connecting rod (23); A telescopic cover (24), the telescopic cover (24) is a telescopic annular cover body, the upper and lower ends of the telescopic cover (24) are respectively fixed to the lower end of the first mounting ring (21) and the upper end of the second mounting ring (22), and the telescopic cover (24) is arranged on the outside of the connecting rod (23); Wherein, the multifunctional end cover (4) snap-on cover is arranged at the lower end of the second mounting ring (22).

6. The device for detecting heavy metal contaminated soil according to claim 5, characterized in that: The support structure (2) further comprises a compression spring (25), which is movably sleeved on the connecting rod (23), and the upper and lower ends of the compression spring (25) are respectively fixed to the lower end of the first mounting ring (21) and the upper end of the second mounting ring (22).

7. The device for detecting heavy metal contaminated soil according to claim 5, characterized in that: The first mounting ring (21) has gripping ears (3) fixed on both left and right sides of its upper end by bolts; A protective cover (13) for covering the display screen (11) is hingedly connected to the upper end of the detector body (1).

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