CN212363726U

CN212363726U - Soil sampler

Info

Publication number: CN212363726U
Application number: CN202022316638.XU
Authority: CN
Inventors: 张利超; 朱睿婷; 邹杰雯; 万佳蕾; 吴家洪; 贺月玲; 胡皓; 邓小群; 石芬芬; 熊文娟
Original assignee: JIANGXI INSTITUTE OF SOIL AND WATER CONSERVATION
Current assignee: JIANGXI INSTITUTE OF SOIL AND WATER CONSERVATION
Priority date: 2020-10-19
Filing date: 2020-10-19
Publication date: 2021-01-15
Anticipated expiration: 2030-10-19

Abstract

The utility model discloses a soil sampler, including holding rod, connecting rod and sample drill bit, holding rod and sample drill bit are established respectively at the both ends of connecting rod, the sample drill bit includes mounting panel, inner tube and outer tube, the inner tube is vertical to be set up at the lower terminal surface of mounting panel, be equipped with axial accommodation hole one on the inner tube, be equipped with axial draw-in groove on the outer pipe wall of inner tube, be equipped with axial accommodation hole two on the outer tube, be equipped with the card strip with draw-in groove complex on the pore wall of accommodation hole two; the outer pipe wall of the outer pipe is provided with spiral blades; the outer tube is made of stainless steel, and a magnet ring attracted with the outer tube is arranged on the lower end face of the mounting plate. The utility model discloses a set up the sample drill bit including outer tube and inner tube, after helical blade on outer tube and outer tube corrodes and rusts, only need to change the outer tube and can normally use, the outer tube is changed conveniently moreover.

Description

Soil sampler

Technical Field

The utility model relates to a sampling device technical field, concretely relates to soil sampler.

Background

In water and soil conservation work, analysis of soil sampling is one of important processes, and the existing sampling method comprises the following modes:

1. directly sampling soil by using a shovel; the range of samples obtained in this way is large, resulting in inaccurate final measurement results.

2. Sampling by using a soil sampler; under this kind of mode, can reduce the scope of sample, reduce the error, current soil sampler is usually with the sample connection insert the soil that needs the sample in carry out the sample, insert soil for the convenience in with the sample connection, can set up helical blade at the surface of sample connection, adopt rotatory mode to drill into soil with the sample connection in, because helical blade on the sample connection often rubs with soil, can produce wearing and tearing, and contain moisture or some materials that have the corrosive action in some soil, will cause the corruption of helical blade and sample connection, influence normal use, just need the sampler of renewal at this moment, cause the waste.

Disclosure of Invention

The utility model discloses the problem that will solve is: the utility model provides a soil sampler, through setting up the sample drill bit that includes outer tube and inner tube, after helical blade on outer tube and outer tube corrodes and rusts, only need to change the outer tube and can normally use, outer tube easy dismounting moreover.

The utility model discloses a solve the technical scheme that above-mentioned problem provided and do: a soil sampler comprises a holding rod, a connecting rod and a sampling drill bit, wherein the holding rod and the sampling drill bit are respectively arranged at two ends of the connecting rod, the sampling drill bit comprises a mounting plate, an inner pipe and an outer pipe, the inner pipe is vertically arranged on the lower end surface of the mounting plate, an axial accommodating hole I is formed in the inner pipe, an axial clamping groove is formed in the outer pipe wall of the inner pipe, an axial accommodating hole II is formed in the outer pipe, and a clamping strip matched with the clamping groove is arranged on the hole wall of the accommodating hole II; the outer pipe wall of the outer pipe is provided with spiral blades; the outer tube is made of stainless steel, and a magnet ring attracted with the outer tube is arranged on the lower end face of the mounting plate.

Preferably, the soil-discharging device further comprises a discharging device used for discharging soil from the first accommodating hole, an axial movable hole is formed in the connecting rod, the discharging device comprises a handle, a push rod and a push plate, the handle is arranged at the upper end of the push rod, the push rod penetrates through the holding rod and then penetrates through the movable hole to extend into the first accommodating hole, the push plate is arranged at the lower end of the push rod, and the push plate is matched with the first accommodating hole in shape.

Preferably, the upper end of the holding rod is provided with a receiving groove for receiving the handle.

Preferably, the lower end of the outer pipe is provided with a toothed sheet. The tooth piece can make things convenient for the outer tube to insert in the soil.

Preferably, the holding rod is provided with a finger groove. The finger groove can be conveniently held by a worker.

Preferably, the number of the clamping grooves and the number of the clamping strips are four, the four clamping grooves are uniformly distributed on the outer pipe wall of the inner pipe, and the four clamping strips are uniformly distributed on the hole wall of the second accommodating hole.

Compared with the prior art, the utility model has the advantages that: the utility model discloses a set up the sample drill bit of constituteing by mounting panel, outer tube and inner tube, after helical blade on outer tube and outer tube corrodes and rusts, only need to change the outer tube and can normally use, realize spacing of inner tube and outer tube through the cooperation of card strip and draw-in groove, prevent that inner tube and outer tube from taking place relative rotation, outer tube and magnet ring actuation are fixed the outer tube on the mounting panel, outer tube easy dismounting.

Drawings

The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it.

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a plan view of the outer tube of the present invention.

Fig. 3 is a schematic view of the inner tube of the present invention.

Fig. 4 is an enlarged schematic view at a in fig. 1.

The attached drawings are marked as follows: 1. a holding rod; 2. a connecting rod; 3. a movable hole; 4. a push rod; 5. a finger groove; 6. accommodating grooves; 7. a handle; 8. an outer tube; 9. a second accommodating hole; 10. clamping the strip; 11. a card slot; 12. an inner tube; 13. the first accommodating hole; 14. mounting a plate; 15. a magnet ring; 16. a tooth sheet; 17. pushing the plate; 18. a helical blade.

Detailed Description

The following detailed description will be made with reference to the accompanying drawings and examples, so that how to implement the technical means of the present invention to solve the technical problems and achieve the technical effects can be fully understood and implemented.

The specific embodiment of the utility model is shown in fig. 1-4, a soil sampler, including holding rod 1, connecting rod 2 and sample drill bit, holding rod 1 and sample drill bit are established respectively at the both ends of connecting rod 2, the sample drill bit includes mounting panel 14, inner tube 12 and outer tube 8, inner tube 12 is vertical to be set up at the lower terminal surface of mounting panel 14, be equipped with axial accommodation hole one 13 on inner tube 12, be equipped with axial draw-in groove 11 on the outer tube wall of inner tube 12, be equipped with axial accommodation hole two 9 on outer tube 8, be equipped with card strip 10 with draw-in groove 11 complex on the pore wall of accommodation hole two 9; the outer pipe wall of the outer pipe 8 is provided with spiral blades 18; the outer tube 8 is made of stainless steel, and a magnet ring 15 attracted with the outer tube 8 is arranged on the lower end face of the mounting plate 14.

In this embodiment, the soil pushing device is further included, the connecting rod 2 is provided with an axial movable hole 3, the pushing device includes a handle 7, a push rod 4 and a push plate 17, the handle 7 is arranged at the upper end of the push rod 4, the push rod 4 penetrates through the movable hole 3 after penetrating through the holding rod 1 and then extends into the accommodating hole 13 (a through hole (not shown in the drawing) for the push rod 4 to penetrate is arranged on the mounting plate 14), the push plate 17 is arranged at the lower end of the push.

Further, the upper end of the holding rod 1 is provided with a receiving groove 6 for receiving the handle 7.

In this embodiment, the lower end of the outer tube 8 is provided with a toothed blade 16.

In this embodiment, the grip 1 is provided with a finger slot 5.

In this embodiment, referring to fig. 2 and fig. 3 specifically, the number of the clamping grooves 11 and the four clamping strips 10 is four, the four clamping grooves 11 are uniformly distributed on the outer wall of the inner tube 12, and the four clamping strips 10 are uniformly distributed on the hole wall of the accommodating hole two 9.

The utility model discloses a concrete application method: inserting the tooth piece 16 on the sampling drill bit into soil to be sampled, then grasping the holding rod 1 with two hands, rotating the holding rod 1 to enable the sampling drill bit to drill into the soil, enabling the soil to enter the accommodating hole I13 at the moment, screwing out the sampling drill bit after meeting the requirement, then pushing the handle 7 downwards, pushing out the soil from the accommodating hole I13 through the push plate 17, and completing soil sampling; when the new outer tube 8 needs to be replaced, the clamping strip 10 on the new outer tube 8 is aligned to the clamping groove 11, then the clamping strip is pushed upwards until the outer tube 8 and the magnet ring 15 are attracted, the new outer tube 8 is installed and completed, and the outer tube 8 is convenient to install and disassemble.

The foregoing is illustrative of the preferred embodiments of the present invention only, and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof is allowed to be changed. All changes which come within the scope of the independent claims of the invention are to be embraced within their scope.

Claims

1. A soil sampler, characterized by: the sampling drill comprises a holding rod (1), a connecting rod (2) and a sampling drill bit, wherein the holding rod (1) and the sampling drill bit are respectively arranged at two ends of the connecting rod (2), the sampling drill bit comprises a mounting plate (14), an inner tube (12) and an outer tube (8), the inner tube (12) is vertically arranged on the lower end surface of the mounting plate (14), an axial accommodating hole I (13) is formed in the inner tube (12), an axial clamping groove (11) is formed in the outer tube wall of the inner tube (12), an axial accommodating hole II (9) is formed in the outer tube (8), and a clamping strip (10) matched with the clamping groove (11) is arranged on the hole wall of the accommodating hole II (9); the outer pipe wall of the outer pipe (8) is provided with spiral blades (18); the outer tube (8) is made of stainless steel, and a magnet ring (15) attracted with the outer tube (8) is arranged on the lower end face of the mounting plate (14).

2. A soil sampler according to claim 1, wherein: still including being arranged in the ejecting device who pushes out soil from holding hole (13), be equipped with axial activity hole (3) on connecting rod (2), ejecting device includes handle (7), push rod (4) and push pedal (17), handle (7) set up the upper end of push rod (4), push rod (4) run through pass behind holding rod (1) activity hole (3) stretch into in holding hole (13), push pedal (17) set up the lower extreme of push rod (4), push pedal (17) with the shape looks adaptation of holding hole (13).

3. A soil sampler according to claim 2, wherein: the upper end of the holding rod (1) is provided with an accommodating groove (6) for accommodating the handle (7).

4. A soil sampler according to claim 1, wherein: the lower end of the outer pipe (8) is provided with a toothed sheet (16).

5. A soil sampler according to claim 1, wherein: the holding rod (1) is provided with a finger groove (5).

6. A soil sampler according to claim 1, wherein: the clamping grooves (11) and the clamping strips (10) are four, the clamping grooves (11) are uniformly distributed on the outer pipe wall of the inner pipe (12), and the clamping strips (10) are uniformly distributed on the hole wall of the accommodating hole II (9).