CN209927503U - Manual sampler for surface soil - Google Patents

Abstract

The utility model relates to a manual sample thief of top soil, include the urceolus and set up in the inside sampling barrel of urceolus, urceolus top-down fixedly connected with urceolus hand wheel, cylinder part and circular cone portion, be provided with the decurrent helical blade of spiral on the lateral wall of cylinder part, the bottom opening of circular cone portion forms one-way sample connection with the lower extreme coincidence of sampling barrel, elastic separation blade is installed to one-way sample connection, the sampling barrel hand wheel with the urceolus hand wheel can be dismantled with hand wheel connecting piece and be connected. The utility model discloses the design of sampling barrel casing among the urceolus makes sampling container not contact with outside soil and make frictional force little, more light when extracting the sample, uses labour saving and time saving, and the open air of being convenient for carries, and the range of application is wide.

Description

Manual sampler for surface soil

Technical Field

The utility model relates to an environmental monitoring technical field, concretely relates to manual sample thief of top layer soil.

Background

Soil sampling refers to randomly selecting samples from soil to be analyzed, and physical and chemical data such as metal content, fertility degree, pollution degree and the like in the soil in an area can be analyzed through soil sampling, so that the method is an important link for researching the soil environment, is widely applied to scientific research and industrial and agricultural production practice in multiple subject fields such as environmental science, geography, ecology, agriculture and the like, and is an important step for monitoring soil pollution and nutrition. Gather the sampling of top soil spade commonly used and excavate the back, but this mode measurement sampling degree of depth is inaccurate, excavates the in-process disturbance soil, and the soil on different layers can interfere with each other, makes the testing result inaccurate, and wastes time and energy.

CN108801680A discloses a soil sampling device and its application method, it includes last barrel, well barrel, lower barrel and drill bit, well barrel swing joint is at the lower extreme of last barrel, and lower barrel swing joint is at the lower extreme of well barrel, and the drill bit fixed connection is at the lower extreme of lower barrel, and interior pole passes upper barrel and well barrel respectively and is connected to the diapire of lower barrel, and the left and right sides of the outside upper end of last barrel respectively fixed connection is lower grab handle, places the upper grab handle on the lower grab handle. The method is used for pouring out soil for detection, soil of different depths can be mixed in the process, and the method is only suitable for sampling soil of a single depth.

CN109060409A discloses soil sample collection device, mainly includes arc sampling drill bit, the positive cross-section arc length of arc sampling drill bit is greater than half of the girth of circular arc place circle, arc sampling drill bit open-ended both ends are equipped with relative slot, it is equipped with the picture peg to slide in the slot, the picture peg forms confined column structure with arc sampling drill bit after inserting, arc sampling drill bit periphery still is equipped with the vertical stop device who keeps arc sampling drill bit in vertical state. The method is difficult to operate practically, the resistance of the longer inserting plate which is downwards driven into the soil from the inside of the inserting groove is large, the inserting groove is difficult to keep not to move out and deform when the inserting plate is inserted into the soil, in addition, the resistance of the device which is pulled out from the soil is large, and soil samples are easy to leak when the device is pulled out forcibly.

CN109100170A discloses a soil sampling device, which comprises a shaft lever, a connecting rod and a supporting rod; a handle is welded at the upper end of the shaft lever, a sleeve is sleeved at the middle part of the shaft lever, the inside of the shaft lever below the sleeve is hollow, helical blades are welded on the surface of the shaft lever, an interlayer is placed in the hollow part inside the shaft lever, a tool bit is welded at the lower end of the interlayer, a large bearing is arranged at the other end of the connecting rod, the connecting rod is welded on the surface of the large bearing, the large bearing is sleeved at the upper end of the supporting rod, and foot brake universal wheels are mounted at four corners of; the handle is screwed, the knife edge can turn the bottom surface, the shaft lever can slowly rotate towards the ground bottom under the action of the helical blade, the interlayer is arranged in the hollow shaft lever, the soil rotated by the shaft lever can be slowly squeezed into the interlayer through the knife edge, the interlayer can be taken out from the shaft lever through the sliding block, and meanwhile, the soil in the interlayer is taken out. This sampling mode is not suitable for getting the stronger soil of viscidity because rotate to extrude into the intermediate layer through the axostylus axostyle and probably remain soil and make the collection in-process upper strata sample pollute lower floor's sample.

The current soil sampler has the problems of insufficient sampling precision, inaccurate depth, time and labor waste in the sampling process and the like, and can not easily and accurately obtain a soil sample.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a manual sampler for surface soil, which aims at overcoming the defects of the prior art,

a manual sampler for surface soil comprises an outer barrel and a sampling barrel arranged inside the outer barrel, wherein an outer barrel hand wheel, a cylindrical part and a cone frustum part are fixedly connected with the outer barrel from top to bottom, spiral downward spiral blades are arranged on the outer side wall of the cylindrical part, an one-way sampling port is formed by the coincidence of the bottom opening of the cone frustum part and the lower end of the sampling barrel, an elastic separation blade is installed at the one-way sampling port, the axis of the sampling barrel is coincided with the axis of the outer barrel, the sampling barrel comprises the sampling barrel hand wheel and a sampling column from top to bottom, the sampling column is a hollow cylinder, the side wall of the sampling column is provided with a rectangular sampling groove, the sampling groove is covered by a sampling cover plate, the sampling cover plate is one part of the outer wall of the sampling column and is detachably connected with the sampling column, and the sampling barrel hand wheel, the sampling tube hand wheel with urceolus hand wheel and hand wheel connecting piece can dismantle and be connected.

During sampling, the sampling cylinder is sleeved into the outer cylinder, the sampling cylinder hand wheel is connected with the outer cylinder hand wheel, at the moment, the lower end of the sampling cylinder is flush and tightly connected with the lower end of the outer cylinder, the manual sampler is vertical to the ground of the soil to be sampled, the hand wheel is rotated downwards with force, when the helical blade helps the down sampler to move downwards, the one-way sampling port is opened towards the inside of the sampling cylinder, the soil sample enters the sampling cylinder, and when the position of the sampler is lower than the depth to be sampled, the hand wheel of the sampling cylinder is lifted to pull out the whole sampling cylinder, the elastic baffle sheet of the one-way sampling port is closed and sealed under the action of the gravity of the soil sample, so as to prevent the sample from leaking, open fixing device and take off sealed apron, expose the sample groove, follow alright extract out soil sample in the sample groove to can be according to the sampling depth of sampling section of thick bamboo outside degree of depth mark record sample. And after sampling is finished, the outer cylinder can be reversely rotated and taken out.

Preferably, the hand wheel connecting piece is a protrusion and a groove matched with the protrusion, and the outer cylinder and the sampling cylinder rotate coaxially when the protrusion and the groove are overlapped.

Preferably, the elastic blocking pieces comprise a plurality of small elastic blocking pieces, the small elastic blocking pieces are centrosymmetric and are tightly connected to form sealing, the small elastic blocking pieces form a spherical wall shape which is recessed into the sampling cylinder, and the spherical center of the spherical wall shape is lower than the lower end port of the sampling cylinder.

Preferably, the sampling groove has a width of 1/6-1/4 of the circumference of the cross-section of the sampling cartridge. The top of sampling groove is not higher than the top of sampling post, the bottom of sampling groove is not lower than the top of elastic retaining sheet.

Preferably, the sampling cover plate is connected with the outer wall of the sampling cylinder through a buckle or a clamp.

Preferably, the outer wall of the cylindrical body part of the outer barrel and the outer wall of the sampling barrel are provided with corresponding sampling depth marks.

Preferably, the sampling cylinder hand wheel and the outer cylinder hand wheel are detachably connected with the hand wheel connecting piece in a mortise and tenon mode, and the sampling cylinder hand wheel and the outer cylinder hand wheel are overlapped in the axle center and consistent in size.

The beneficial effects of the utility model are that:

(1) the design of the sampling cylinder sleeve in the outer cylinder of the utility model ensures that the sampling container is not contacted with the external soil, thereby ensuring small friction force and easier sample extraction, and the one-way sampling port with the sealable lower end of the sampling cylinder ensures that the soil sample can not leak out due to shaking in use;

(2) the utility model can easily take soil samples with corresponding depth by utilizing the sampling groove on the side surface of the sampling cylinder, and can not cause the mutual interference of samples with different depths because the whole soil sample needs to be poured out like the prior device;

(3) the utility model has the advantages of simple structure, time and labor saving, convenient outdoor carrying and wide application range.

Drawings

FIG. 1 is a schematic structural diagram of the main body of the device;

FIG. 2 is a schematic structural diagram of a sampling cartridge of the device;

FIG. 3 is a top view of the main body structure of the device;

FIG. 4 is a top view of a cartridge of the apparatus;

reference numerals: the sampling device comprises an outer barrel 1, a sampling barrel 2, an outer barrel hand wheel 3, a hand wheel connecting piece 4, a spiral blade 5, a cone frustum part 6, a spiral blade 7, a sampling port 8, a sampling depth mark 9, a sampling barrel hand wheel 10, a sampling column 11, a sampling groove 12, a groove 13, a protrusion 14 and an elastic baffle piece 15.

Detailed Description

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:

as shown in fig. 1, a manual surface soil sampler comprises an outer cylinder 1 and a sampling cylinder 2 arranged inside the outer cylinder 1, wherein the outer cylinder 1 is fixedly connected with an outer cylinder hand wheel 3, a cylinder part 5 and a cone frustum part 6 from top to bottom, the outer side wall of the cylinder part 5 is provided with a spiral downward helical blade 7, the bottom opening of the cone frustum part 6 and the lower end of the sampling cylinder 2 are coincided to form a one-way sampling port 8, the one-way sampling port is provided with an elastic blocking piece 15, as shown in fig. 2, the axis of the sampling cylinder 2 is coincided with the axis of the outer cylinder 1, the sampling cylinder 2 comprises a sampling cylinder hand wheel 10 and a sampling cylinder 11 from top to bottom, the sampling cylinder 11 is a hollow cylinder, the side wall of the sampling cylinder 11 is provided with a rectangular sampling groove 12, the sampling groove 12 is covered by a sampling cover plate (not shown), the sampling cover plate is a part of the, with sampling post 11 can dismantle the connection, sampling barrel hand wheel 10 sets up the top outside of urceolus hand wheel 3, sampling barrel hand wheel 10 with urceolus hand wheel 3 can dismantle with hand wheel connection spare 4 and be connected.

As a preferred embodiment, as shown in FIGS. 3 and 4, the handwheel connecting piece 4 is provided with a protrusion 14 and a groove 13 corresponding to the protrusion 14, and the outer cylinder 1 and the sampling cylinder 2 rotate coaxially when the protrusion 14 is overlapped with the groove 13.

In a preferred embodiment, the elastic blocking piece 15 comprises a plurality of small elastic blocking pieces which are centrosymmetric and are tightly connected to form a seal, and the small elastic blocking pieces form a spherical wall shape which is recessed into the sampling cylinder, and the spherical center of the spherical wall shape is lower than the lower end port of the sampling cylinder 2.

In a preferred embodiment, the width of the sampling groove 12 is 1/6-1/4 of the circumference of the cross-section of the sampling cartridge 2.

In a preferred embodiment, the sampling cover plate is connected with the outer wall of the sampling cylinder through a buckle or a clamp.

As a preferred embodiment, both the outer wall of the cylindrical body part 5 of the outer cartridge and the outer wall of the cartridge 2 have corresponding sampling depth markings 9.

As a preferred embodiment, the sampling cylinder hand wheel 10 and the outer cylinder hand wheel 3 are detachably connected with the hand wheel connecting piece 4 in a mortise and tenon mode, and the sampling cylinder hand wheel 10 and the outer cylinder hand wheel 3 are overlapped in axial center and consistent in size.

Variations and modifications to the above-described embodiments may occur to those skilled in the art, in light of the above teachings and teachings. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.

Claims (7)

1. The utility model provides a manual sample thief of top layer soil, includes the urceolus and sets up in the inside sampling cylinder of urceolus, its characterized in that: the outer cylinder is fixedly connected with an outer cylinder hand wheel, a cylindrical part and a cone frustum part from top to bottom, the outer side wall of the cylindrical part is provided with a spiral blade which is downward spirally, the bottom opening of the cone frustum part is superposed with the lower end of the sampling cylinder to form a one-way sampling port, the one-way sampling port is provided with an elastic baffle, the axial line of the sampling cylinder is coincident with the axial line of the outer cylinder, the sampling cylinder comprises a sampling cylinder hand wheel and a sampling column from top to bottom, the sampling column is a hollow cylinder, the side wall of the sampling column is provided with a rectangular sampling groove, the sampling groove is covered by a sampling cover plate, the sampling cover plate is one part of the outer wall of the sampling column, with the connection can be dismantled to the sampling post, the setting of sampling barrel hand wheel is in the top outside of urceolus hand wheel, the sampling barrel hand wheel with the urceolus hand wheel can be dismantled with the hand wheel connecting piece and be connected.

2. The sampler of claim 1, wherein: the hand wheel connecting piece is a protrusion and a groove matched with the protrusion, and the outer barrel and the sampling barrel rotate coaxially when the protrusion and the groove are overlapped.

3. The sampler of claim 2, wherein: the elastic separation blade comprises a plurality of elastic small separation blades, the elastic small separation blades are centrosymmetric and are tightly connected to form sealing, the elastic small separation blades form a spherical wall shape which is concave in the cylinder, and the spherical center of the spherical wall shape is lower than the lower end port of the sampling cylinder.

4. Sampler according to claim 2 or 3, characterized in that: the width of the sampling groove is 1/6-1/4 of the circumference of the section of the sampling cylinder.

5. The sampler of claim 4, wherein: the sampling cover plate is connected with the outer wall of the sampling cylinder through a buckle or a hoop.

6. The sampler of claim 2, wherein: the outer wall of the cylindrical part of the outer cylinder and the outer wall of the sampling cylinder are provided with corresponding sampling depth marks.

7. The sampler of claim 2, wherein: the sampling cylinder hand wheel with urceolus hand wheel can dismantle with the hand wheel connecting piece and be connected through the mode of mortise and tenon, the sampling cylinder hand wheel with the urceolus hand wheel axle center coincidence and size are unanimous each other.

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