Handheld soil sampling device for environmental monitoring

Abstract

The utility model discloses a handheld environmental monitoring soil sampling device which comprises a sampling cylinder, a fixing seat is movably mounted in the sampling cylinder, a fixing column is mounted on the surface of the fixing seat in a threaded connection manner, one end, far away from the fixing seat, of the fixing column is fixed with a handle in a threaded connection manner, and meanwhile, the end part of the fixing seat is fixed with a stud in a welding manner; an extrusion plate is fixedly mounted on the bottom surface of the fixed seat; an adjusting opening is formed in the side wall of the sampling barrel, a stud is inserted into the adjusting opening, meanwhile, a sampling area is formed in the sampling barrel, and an inclined tip part is arranged at the bottom of the sampling area. According to the handheld soil sampling device for environmental monitoring, when the device is carried, a handle can be pressed downwards, so that an extrusion plate moves to the lowest part in a sampling barrel, and a fixed column is contracted in the sampling barrel, so that the contraction work of the device is completed; after the size is reduced, carrying is more convenient.

Description

Technical Field

[0001] The utility model relates to the field of soil sampling, in particular to a handheld soil sampling device for environmental monitoring. Background Art

[0002] When the soil sampling device is used daily, the sampling device is generally inserted into the ground, and the sampler is extended into the ground by manual pressing or stepping, and it needs to be manually pulled out after the collection is completed, which causes a lot of physical exertion for the operator when using the soil sampler;

[0003] In order to solve the above problems, after searching, the prior art discloses (application number: CN202020304981.X) a soil sampling device for agricultural technology detection; the article proposes "comprising a soil sampling device body (1) and a motor (3), characterized in that: the top of the soil sampling device body (1) is fixedly connected to a first fixed frame (2), and a motor (3) is installed inside the first fixed frame (2). "The sampling scene is generally outdoors or in the mountains where the ground is rugged and uneven, and cars cannot drive. When this device is in use, it cannot be transported by a carrier, and has the defects of being large in size, not easy to carry and expensive. Utility Model Content

[0004] The purpose of the utility model is to provide a handheld soil sampling device for environmental monitoring to solve the defects mentioned in the above background technology.

[0005] To achieve the above-mentioned purpose, a handheld soil sampling device for environmental monitoring is provided, comprising a sampling tube, a fixing seat is movably installed inside the sampling tube, a fixing column is screwed and installed on the surface of the fixing seat, and an end of the fixing column away from the fixing seat is screwed and fixed to the handle, and the end of the fixing seat is welded and fixed to the stud; an extrusion plate is fixedly installed on the bottom surface of the fixing seat;

[0006] An adjusting port is arranged on the side wall of the sampling tube, and a stud is inserted into the adjusting port. Meanwhile, a sampling area is arranged in the sampling tube, and an inclined tip portion is arranged at the bottom of the sampling area.

[0007] Preferably, screw holes are provided at the top and bottom of the fixing column, and a through hole is provided in the middle of the handle, and the screw hole is adapted to the size of the upper bolt, and the upper bolt passes through the through hole and is screwed inside the screw hole.

[0008] Preferably, the cross-section of the sampling cylinder is "U"-shaped, and an insertion hole is opened on the top of the sampling cylinder. The insertion hole is adapted to the size of the fixing column, and the fixing column is inserted into the inside of the insertion hole.

[0009] Preferably, a positioning groove is provided on the surface of the fixing seat, and the fixing column is adapted to the size of the positioning groove. At the same time, a through hole is provided at the bottom of the extrusion plate, and the lower bolt on the extrusion plate passes through the fixing seat and is screwed into the screw hole provided at the bottom of the fixing column.

[0010] Preferably, the axial sections of the fixed column, the extrusion plate and the fixed seat are concentric circle structures, and the extrusion plate is adapted to the size of the sampling area, and the extrusion plate is slidably arranged inside the sampling area.

[0011] Preferably, the adjustment port is set in a "U" shape, and the adjustment port is divided into two groups and respectively set on the two side walls of the sampling cylinder. At the same time, the position of the fixed seat inside the sampling cylinder is locked by the adjustment port, nut and stud, and the adjustment port is set in a "U" shape.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] When carrying the device, the handle can be pressed down to move the extrusion plate to the bottom of the sampling tube, and the fixed column is retracted inside the sampling tube to complete the retraction of the device; after reducing the volume, it is more convenient to carry;

[0014] Holding the handle, move the extrusion plate downward, and take out the soil inside the sampling tube by means of the piston. The soil in the area is bagged to facilitate the removal of soil with high moisture and viscosity from the inside of the sampling tube. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the front view of the structure of the utility model;

[0016] Figure 2 The utility model structure Figure 1 Make a storage diagram;

[0017] Figure 3 The utility model structure Figure 2 Side view of

[0018] Figure 4 The utility model structure Figure 1 Schematic diagram of the cross-sectional structure of the sampling tube.

[0019] Numbers in the figure: 1. handle; 2. upper bolt; 3. fixing column; 4. insertion hole; 5. sampling tube; 51. sampling area; 52. inclined tip; 6. extrusion plate; 7. lower bolt; 8. fixing seat; 9. adjustment port; 10. nut; 11. stud. DETAILED DESCRIPTION

[0020] See also Figure 1-4The utility model provides a handheld soil sampling device for environmental monitoring, including a sampling tube 5, a fixed seat 8 is movably installed inside the sampling tube 5, and a fixed column 3 is screwed and installed on the surface of the fixed seat 8, and the end of the fixed column 3 away from the fixed seat 8 is screwed and fixed to the handle 1, and the end of the fixed seat 8 is welded and fixed to the stud 11; the bottom surface of the fixed seat 8 is fixedly installed with an extrusion plate 6;

[0021] An adjusting port 9 is provided on the side wall of the sampling tube 5 , and a stud 11 is inserted into the adjusting port 9 . Meanwhile, a sampling area 51 is provided inside the sampling tube 5 , and an inclined tip portion 52 is provided at the bottom of the sampling area 51 .

[0022] Working principle: When in use, hold the handle 1 and insert the sampling tube 5 into the ground through the inclined tip 52 at the bottom, so that the soil enters the interior of the sampling area 51. When the soil is more viscous, hold the handle 1 and move the extrusion plate 6 downward to take out the soil inside the sampling tube 5 by means of a piston, and bag the soil in the area, so as to facilitate the removal of soil with high moisture content from the interior of the sampling tube 5.

[0023] As a preferred embodiment, screw holes are provided at the top and bottom of the fixing column 3, and a through hole is provided in the middle of the handle 1. The screw hole is adapted to the size of the upper bolt 2, and the upper bolt 2 passes through the through hole and is screwed inside the screw hole.

[0024] The cross section of the sampling tube 5 is “U”-shaped, and a through hole 4 is opened on the top of the sampling tube 5 . The through hole 4 is adapted to the size of the fixing column 3 , and the fixing column 3 is inserted into the through hole 4 .

[0025] like Figure 1-4 As shown: the handle 1, the fixing column 3, the extrusion plate 6 and the fixing seat 8 are detachable structures, and are fixedly installed or disassembled and assembled by upper bolts 2 and lower bolts 7, so as to facilitate the replacement of parts of the device.

[0026] As a preferred embodiment, a positioning groove is opened on the surface of the fixing seat 8, and the fixing column 3 is adapted to the size of the positioning groove. At the same time, a through hole is opened at the bottom of the extrusion plate 6, and the lower bolt 7 on the extrusion plate 6 passes through the fixing seat 8 and is screwed into the screw hole opened at the bottom of the fixing column 3.

[0027] The axial cross-sections of the fixed column 3 , the extrusion plate 6 and the fixed seat 8 are concentric circle structures, and the extrusion plate 6 is adapted to the size of the sampling area 51 , and the extrusion plate 6 is slidably arranged inside the sampling area 51 .

[0028] like Figure 1-4As shown: the lower bolt 7 on the extrusion plate 6 passes through the fixing seat 8 and is screwed into the screw hole opened at the bottom of the fixing column 3; the fixing column 3, the extrusion plate 6 and the fixing seat 8 can be fixedly installed.

[0029] As a preferred embodiment, the adjustment port 9 is set in a "U" shape, and the adjustment port 9 is divided into two groups and respectively set on the two side walls of the sampling tube 5. At the same time, the position of the fixed seat 8 inside the sampling tube 5 is locked by the adjustment port 9, the nut 10 and the stud 11, and the adjustment port 9 is set in a "U" shape.

[0030] like Figure 1-4 As shown: when carrying the device, the handle 1 can be pressed down, so that the extrusion plate 6 moves to the bottom of the sampling tube 5, and the fixed column 3 shrinks inside the sampling tube 5, completing the shrinking work of the device; after reducing the volume, it is more convenient to carry;

[0031] When the fixing column 3 is retracted into the sampling tube 5, the nut 10 is screwed onto the outer side of the stud 11 to ensure the stability of the fixing column 3 after it is retracted into the sampling tube 5;

[0032] At the same time, when the extrusion plate 6 moves to the uppermost part of the sampling tube 5, the nut 10 is screwed onto the outer side of the stud 11, so that the handle 1 is used to insert the bottom of the sampling tube 5 into the bottom surface for sampling.

Claims

1. A handheld soil sampling device for environmental monitoring, comprising a sampling tube (5), characterized in that: The sampling tube (5) has a fixed seat (8) movably mounted inside, and a fixed column (3) is screwed and mounted on the surface of the fixed seat (8), and the end of the fixed column (3) away from the fixed seat (8) is screwed and fixed to the handle (1), and the end of the fixed seat (8) is welded and fixed to the stud (11); the bottom surface of the fixed seat (8) is fixedly mounted with an extrusion plate (6); An adjusting port (9) is provided on the side wall of the sampling tube (5), and a stud (11) is inserted into the adjusting port (9). Meanwhile, a sampling area (51) is provided inside the sampling tube (5), and an inclined tip portion (52) is provided at the bottom of the sampling area (51).

2. A handheld soil sampling device for environmental monitoring according to claim 1, characterized in that: The top and bottom of the fixing column (3) are provided with screw holes, and the middle of the handle (1) is provided with a through hole. The screw hole is matched with the size of the upper bolt (2), and the upper bolt (2) passes through the through hole and is screwed inside the screw hole.

3. A handheld soil sampling device for environmental monitoring according to claim 1, characterized in that: The cross section of the sampling cylinder (5) is set in a "U" shape, and a through hole (4) is opened at the top of the sampling cylinder (5). At the same time, the through hole (4) is adapted to the size of the fixing column (3), and the fixing column (3) is inserted into the inside of the through hole (4).

4. A handheld soil sampling device for environmental monitoring according to claim 1, characterized in that: A positioning groove is provided on the surface of the fixing seat (8), and the size of the fixing column (3) is matched with the positioning groove. At the same time, a through hole is provided at the bottom of the extrusion plate (6), and the lower bolt (7) on the extrusion plate (6) passes through the fixing seat (8) and is screwed into the screw hole provided at the bottom of the fixing column (3).

5. A handheld soil sampling device for environmental monitoring according to claim 1, characterized in that: The axial cross-sections of the fixed column (3), the extrusion plate (6) and the fixed seat (8) are concentric circle structures, and the extrusion plate (6) is adapted to the size of the sampling area (51), and the extrusion plate (6) is slidably arranged inside the sampling area (51).

6. A handheld soil sampling device for environmental monitoring according to claim 1, characterized in that: The adjustment port (9) is arranged in a "U" shape, and the adjustment port (9) is arranged in two groups on the two side walls of the sampling tube (5) respectively. At the same time, the position of the fixing seat (8) inside the sampling tube (5) is locked by the adjustment port (9), the nut (10) and the stud (11), and the adjustment port (9) is arranged in a "U" shape.

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