Surface soil sampling device for environment detection

Abstract

The utility model belongs to the technical field of sampling devices, and particularly relates to a surface soil sampling device for environment detection, which comprises a shell, an inner cylinder, a threaded rod and a handle, the inner cylinder is slidably connected inside the shell, the threaded rod is rotatably connected to the top of the inner cylinder and extends to the upper part of the shell, and the sampling devices are arranged inside and at the lower end of the shell. The sampling device comprises a dismounting mechanism and a stabilizing mechanism. According to the surface soil sampling device for environment detection, by arranging the dismounting mechanism, when soil at the next position needs to be sampled, soil does not need to be poured out, only the sampling pipe needs to be replaced, soil residues of previous sampling can be prevented from polluting the soil of next sampling, operation is convenient, the sampling efficiency is high, and practicability is high. The problems that in the background technology, when continuous sampling needs to be conducted in the using process, soil in a cylinder needs to be poured out, then sampling is conducted, using is inconvenient, soil attached to the interior of the cylinder can pollute soil to be sampled next time, and therefore the detection result is affected are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to sampling device technical field, concretely is a surface soil sampling device for environmental detection. BACKGROUND

[0002] Environmental detection and management are a new industry with strong technicality, and managers entering indoor environmental detection and management face the new industry, whether market operation or detection standard, detection process, professional characteristics of the industry, and management product or construction method all start from scratch, and the medium objects of environmental detection can be divided into water quality detection, air detection and soil detection, sampling is needed before soil detection, and surface soil refers to the soil layer with a depth of about 10-25cm.

[0003] The existing surface soil sampling device for environmental detection has complex sampling operation, and cross contamination with other depth soil during sampling.

[0004] The surface soil sampling device for environmental detection disclosed in the announcement No. CN217084237U improves the stability when the user holds the handle, the cylinder is inserted into the ground with the first insertion rod, when inserted to the surface soil depth, the pull ring is pulled to make the second insertion rod contract and separate from the insertion slot, the second vertical rod is further used to rotate the turntable to make the second opening coincide with the first opening, the cylinder is further lowered to make the surface soil enter the cylinder through the second opening and the first opening, thereby realizing sampling of the surface soil, and the operation is simple.

[0005] However, when continuous sampling is needed during use of the device, the soil in the cylinder needs to be poured out and then sampled, which is inconvenient to use, and the soil attached in the cylinder will contaminate the next sampled soil, thereby affecting the detection result.

[0006] Therefore, it is urgent to provide a surface soil sampling device for environmental detection. UTILITY MODEL CONTENT

[0007] The utility model aims at providing a surface soil sampling device for environmental detection to solve the problem of pouring out the soil in the cylinder and then sampling when continuous sampling is needed during use, which is inconvenient to use, and the soil attached in the cylinder will contaminate the next sampled soil, thereby affecting the detection result.

[0008] In order to achieve the above object, the utility model provides the following technical scheme: a surface soil sampling device for environmental detection, including shell, inner tube, threaded rod and handle, the inner tube is connected in the shell inside slidingly, the threaded rod is connected in the inner tube top rotationally and extends to the shell top, the handle is fixedly installed in the threaded rod top, the shell inside and lower extreme are provided with sampling device, the sampling device includes dismantling mechanism and stable mechanism.

[0009] The dismantling mechanism is arranged on the front upper end of the inner tube, and the stable mechanism is arranged on the lower end of the shell.

[0010] The dismantling mechanism includes a sampling tube, a clamping block, a sleeve, a spring one, a clamping rod, a pull rod and a spring two, the sampling tube is installed in the inner tube, the clamping block is fixedly installed on the top of the sampling tube, the sleeve is fixedly installed on the front upper end of the inner tube, one end of the spring one is fixedly installed on the inner wall of the sleeve, the clamping rod is fixedly installed on the other end of the spring one, the pull rod is fixedly installed on the front of the clamping rod and extends to the outer side of the inner tube, and the spring two is installed in the inner tube.

[0011] Preferably, an internal thread is formed in the inner upper end of the shell, and the threaded rod is screw-connected in the shell, so that the threaded rod is driven to rotate and screw-connect with the shell by rotating the handle, the inner tube is driven to move downward with the sampling tube, the lower end of the inner tube is inserted into the soil, and the soil is collected into the sampling tube along the lower end of the inner tube.

[0012] Preferably, grooves are formed in the front of the inner tube and the shell, the sampling tube is installed in the inner tube, a clamping hole is formed in the upper end of the clamping block, the sampling tube is put into the inner tube, the sampling tube is pushed upward, the clamping hole of the clamping block is aligned with the clamping rod, and the clamping rod is clamped with the clamping hole, so that the sampling tube is fixed.

[0013] Preferably, the lower end of the inner tube is a sharp corner, so that the inner tube is more easily inserted into the ground, and the sampling tube is made of metal material, so that the strength of the sampling tube is improved.

[0014] Preferably, a rubber pad is installed on the surface of the handle, so that the comfort of the staff in contact with the handle is improved, and the hands of the staff are prevented from being abraded.

[0015] Preferably, the stable mechanism includes an upper mounting ring, a lower mounting ring, a fixing rod, a pedal and a spike, the upper mounting ring is fixedly installed on the outer side of the lower end of the shell, the lower mounting ring is arranged below the shell, the fixing rod is fixedly installed between the upper mounting ring and the lower mounting ring, the pedal is fixedly installed on the front and rear sides of the lower mounting ring, and the spike is fixedly installed on the bottom of the pedal.

[0016] Preferably, the plurality of spikes are evenly distributed on the bottom of the pedal, and the spikes are inserted into the ground to increase the friction between the lower mounting ring and the ground, prevent the device from shaking during sampling, and improve sampling stability.

[0017] Compared with the prior art, the utility model has the beneficial effects that:

[0018] 1. The surface soil sampling device for environmental detection is convenient to operate, high in sampling efficiency, and capable of preventing the pollution of the soil sampled last time to the soil sampled next time, solves the problem of the background art that when continuous sampling is needed in the use process, the soil in the cylinder needs to be poured out and then sampling is performed, which is inconvenient to use and the soil attached to the cylinder can pollute the soil sampled next time, thereby affecting the detection result.

[0019] 2. The surface soil sampling device for environmental detection is convenient to operate, high in sampling efficiency, and capable of preventing the pollution of the soil sampled last time to the soil sampled next time, solves the problem of the background art that when continuous sampling is needed in the use process, the soil in the cylinder needs to be poured out and then sampling is performed, which is inconvenient to use and the soil attached to the cylinder can pollute the soil sampled next time, thereby affecting the detection result. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a whole structure schematic view of the utility model;

[0021] Figure 2 It is a split view of the connection between the shell, the inner cylinder and the sampling pipe of the utility model;

[0022] Figure 3 It is a structure sectional view of the dismounting mechanism of the utility model;

[0023] Figure 4 It is a structure schematic view of the stabilizing mechanism of the utility model.

[0024] In the drawing: 1, shell; 2, inner cylinder; 3, threaded rod; 4, handle; 501, sampling pipe; 502, clamping block; 503, sleeve; 504, spring one; 505, clamping rod; 506, pull rod; 507, spring two; 601, upper mounting ring; 602, lower mounting ring; 603, fixing rod; 604, pedal; 605, spike. DETAILED DESCRIPTION

[0025] 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. EMBODIMENT

[0026] Based on the prior art existing at present, when continuous sampling is needed in use, the soil in the barrel needs to be poured out and then sampled, which is inconvenient to use, and the soil attached in the barrel will pollute the next sampled soil, thereby affecting the detection result. Please refer to Figures 1-4 , the embodiment provides a surface soil sampling device for environmental detection, which can conveniently replace the sampling tube and prevent the pollution of the soil of the last sampling to the soil of the next sampling. The surface soil sampling device for environmental detection comprises an outer shell 1, an inner barrel 2, a threaded rod 3 and a handle 4, the inner barrel 2 is slidably connected in the inner part of the outer shell 1, the threaded rod 3 is rotatably connected to the top of the inner barrel 2 and extends above the outer shell 1, an internal thread is formed in the inner part of the upper end of the outer shell 1, the threaded rod 3 is threadedly connected in the inner part of the outer shell 1, the threaded rod 3 is driven to rotate by rotating the handle 4 and is threadedly connected with the outer shell 1, so that the inner barrel 2 drives the sampling tube 501 to move downward, the lower end of the inner barrel 2 is inserted into the soil, and the soil enters the sampling tube 501 along the lower end of the inner barrel 2 to be collected, the handle 4 is fixedly installed on the top of the threaded rod 3, a rubber pad is installed on the surface of the handle 4, the comfort of the staff contacting the handle 4 is improved, and the hands of the staff are prevented from being abraded, and a sampling device is arranged in the inner part and the lower end of the outer shell 1, the sampling device comprises a dismounting mechanism and a stabilizing mechanism.

[0027] The dismounting mechanism is arranged on the front upper end of the inner barrel 2, and the stabilizing mechanism is arranged on the lower end of the outer shell 1.

[0028] The dismounting mechanism comprises a sampling tube 501, a clamping block 502, a sleeve 503, a spring one 504, a clamping rod 505, a pull rod 506 and a spring two 507, the sampling tube 501 is installed in the inner part of the inner barrel 2, the lower end of the inner barrel 2 is a sharp corner, so that the inner barrel 2 is more easily inserted into the ground, the sampling tube 501 is made of metal material, so as to improve the strength of the sampling tube 501, the clamping block 502 is fixedly installed on the top of the sampling tube 501, grooves are formed on the front surfaces of the inner barrel 2 and the outer shell 1, the sampling tube 501 is installed in the inner part of the inner barrel 2, a clamping hole is formed in the upper end of the clamping block 502, the sampling tube 501 is put into the inner barrel 2, then the sampling tube 501 is pushed upward, the clamping hole formed in the clamping block 502 is located on the same straight line as the clamping rod 505, and then the clamping rod 505 is clamped with the clamping hole, so as to fix the sampling tube 501, the sleeve 503 is fixedly installed on the front upper end of the inner barrel 2, one end of the spring one 504 is fixedly installed on the inner wall of the sleeve 503, the clamping rod 505 is fixedly installed on the other end of the spring one 504, the pull rod 506 is fixedly installed on the front surface of the clamping rod 505 and extends to the outer side of the inner barrel 2, and the spring two 507 is installed in the inner part of the inner barrel 2 and the upper end, when the sampling tube 501 is dismounted, the sampling tube 501 is ejected from the inner part of the inner barrel 2 by the reset of the spring two 507. EMBODIMENT

[0029] On the basis of Embodiment One, please refer toFigures 1-4 In the process of sampling soil, the device may shake or tilt, affecting the accuracy of the sampling position, therefore, in order to improve the stability of the device, the device is also provided with a stabilizing mechanism, the stabilizing mechanism comprises an upper mounting ring 601, a lower mounting ring 602, a fixed rod 603, a pedal 604 and a spike 605, the upper mounting ring 601 is fixedly installed on the lower outer side of the shell 1, the lower mounting ring 602 is arranged below the shell 1, the fixed rod 603 is fixedly installed between the upper mounting ring 601 and the lower mounting ring 602, the pedal 604 is fixedly installed on the front and rear sides of the lower mounting ring 602, and the spike 605 is fixedly installed at the bottom of the pedal 604, the number of the spikes 605 is multiple, and they are uniformly distributed at the bottom of the pedal 604, the spikes 605 are inserted into the ground, so that the friction between the lower mounting ring 602 and the ground is increased, the shaking of the device during sampling is prevented, and the sampling stability is improved.

[0030] In use, the sampling pipe 501 is placed in the inner cylinder 2, then the sampling pipe 501 is pushed upwards, the clamping holes in the clamping block 502 are aligned with the clamping rod 505, the clamping rod 505 is clamped in the clamping hole, the fixing of the sampling pipe 501 is realized, then the spikes 605 are inserted into the ground, the feet are stepped on the pedal 604, then the handle 4 is rotated to drive the threaded rod 3 to rotate and be screwed with the shell 1, the inner cylinder 2 drives the sampling pipe 501 to move downwards, so that the lower end of the inner cylinder 2 is inserted into the soil, the soil enters the sampling pipe 501 along the lower end of the inner cylinder 2 to realize collection, when sampling is needed at other positions, the clamping rod 505 is pulled out of the clamping hole in the clamping block 502 under the action of the spring 507, the sampling pipe 501 is pushed downwards, then the sampling pipe 501 is taken off, a new sampling pipe 501 is placed in the inner cylinder 2 and clamped with the clamping block 502, the sampling pipe 501 is fixed, then the soil sampling is continued, the operation is convenient, and the influence of soil pollution on the subsequent detection result is prevented.

[0031] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the presence of additional identical elements in the process, method, article, or apparatus that comprises the element.

Claims

1. A surface soil sampling device for environmental testing, comprising a shell (1), an inner cylinder (2), a threaded rod (3), and a handle (4), wherein the inner cylinder (2) is slidably connected to the inside of the shell (1), the threaded rod (3) is rotatably connected to the top of the inner cylinder (2) and extends above the shell (1), and the handle (4) is fixedly installed on the top of the threaded rod (3), characterized in that: The shell (1) is internally and at the lower end provided with a sampling device, which comprises a dismounting mechanism and a stabilizing mechanism; The dismounting mechanism is arranged on the front upper end of the inner cylinder (2), and the stabilizing mechanism is arranged at the lower end of the shell (1); The dismounting mechanism comprises a sampling tube (501), a clamping block (502), a sleeve (503), a spring I (504), a clamping rod (505), a pull rod (506) and a spring II (507), the sampling tube (501) is installed inside the inner cylinder (2), the clamping block (502) is fixedly installed on the top of the sampling tube (501), the sleeve (503) is fixedly installed on the front upper end of the inner cylinder (2), one end of the spring I (504) is fixedly installed on the inner wall of the sleeve (503), the clamping rod (505) is fixedly installed on the other end of the spring I (504), the pull rod (506) is fixedly installed on the front of the clamping rod (505) and extends to the outside of the inner cylinder (2), and the spring II (507) is installed inside the upper end of the inner cylinder (2).

2. The surface soil sampling device for environmental detection according to claim 1, characterized in that: A female thread is formed in the upper end of the shell (1), and the threaded rod (3) is threadedly connected inside the shell (1).

3. The surface soil sampling device for environmental detection according to claim 1, characterized in that: The inner cylinder (2) and the shell (1) are provided with a groove on the front face, the sampling tube (501) is installed inside the inner cylinder (2), and a clamping hole is formed in the upper end of the clamping block (502).

4. The surface soil sampling device for environmental detection according to claim 1, characterized in that: The lower end of the inner cylinder (2) is a sharp corner.

5. The surface soil sampling device for environmental detection according to claim 1, characterized in that: A rubber pad is installed on the surface of the handle (4).

6. The surface soil sampling device for environmental detection according to claim 1, characterized in that: The stabilizing mechanism comprises an upper mounting ring (601), a lower mounting ring (602), a fixed rod (603), a pedal (604) and a spike (605), the upper mounting ring (601) is fixedly installed outside the lower end of the shell (1), the lower mounting ring (602) is arranged below the shell (1), the fixed rod (603) is fixedly installed between the upper mounting ring (601) and the lower mounting ring (602), the pedal (604) is fixedly installed on the front and rear sides of the lower mounting ring (602), and the spike (605) is fixedly installed on the bottom of the pedal (604).

7. The surface soil sampling device for environmental detection according to claim 6, characterized in that: The number of the spikes (605) is multiple, and they are uniformly distributed on the bottom of the pedal (604).

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