Agricultural portable soil sampler

By designing a portable soil sampler with a fixed cylinder and fixing mechanism, the problem of the handle and extension rod connection not being able to withstand torque is solved, enabling stable sampling and convenient operation under different soil conditions, and enhancing connection stability and portability.

CN223808162UActive Publication Date: 2026-01-16郓城县乡村振兴服务中心(郓城县农业产业化服务中心)
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Patent Information

Application Number
CN202520188722.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-07
Publication Date
2026-01-16
Estimated Expiration
2035-02-07

AI Technical Summary

Technical Problem

Existing portable soil samplers for agriculture cannot withstand large torques at the folding or telescopic connection between the handle and the extension rod, resulting in deformation or damage to the connection and affecting normal use. In addition, assembly and disassembly require specific tools, making them inconvenient to carry and time-consuming in emergency situations.

Method used

A portable soil sampler was designed, comprising a fixed cylinder, a cone, a handle, a threaded column, a connecting rod, and a fixing mechanism. The fixing mechanism is securely connected to the fixed cylinder, providing stable support and cushioning, enhancing operational stability under different soil hardness conditions. The protective sleeve and reflective stickers improve operational convenience and safety.

Benefits of technology

It enables stable sampling under different soil conditions, reduces physical exertion, improves portability and ease of operation, enhances the stability of the connection, avoids deformation or damage at the connection, and simplifies the assembly and disassembly process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of soil sampling devices, and discloses an agricultural portable soil sampling device which comprises a fixed cylinder, the outer wall end of the fixed cylinder is fixedly connected with a conical head, the left side and the right side of the top of the outer wall of the fixed cylinder are each fixedly connected with two first handle rods, and the middle of the top end of the fixed cylinder is rotationally connected with a threaded column; the top of the threaded column is fixedly connected with a connecting rod, the left side and the right side of the top of the outer wall of the connecting rod are each fixedly connected with two second handle rods, and the bottom end of the threaded column is fixedly connected with a sampling barrel. According to the portable soil sampler, assistance is provided during operation through the two first handles on the left side and the right side of the top of the outer wall of the fixed cylinder, a user can hold the portable soil sampler conveniently in the carrying process, when the sampler needs to be moved or carried in a short distance, the user can easily hold the first handles and walk in the field for a long time, soil sampling is conducted in a far farmland area, and the portable soil sampler is convenient to use. Therefore, physical exhaustion is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to soil sampler technical field especially relates to a portable soil sampler for agriculture. BACKGROUND

[0002] In the process of the vigorous development of modern agriculture, precision agriculture gradually becomes the key strategy to improve crop yield and quality, and soil, as the basis for crop growth, its quality and composition and characteristics play a decisive role in the healthy growth of crops.

[0003] The portable soil sampler for agriculture is inserted into the soil by manpower, the sampling head is slowly drilled into the soil by rotating the handle clockwise, the sampling head is taken out from the soil by rotating the handle counterclockwise after reaching the predetermined depth, and the soil sample is taken out from the sampling head by using a scraper and other tools, the sampler needs special tools during assembly and disassembly, it is difficult to disassemble the sampler without carrying these tools, so the sampler cannot be disassembled into parts convenient to carry, and time is wasted when the sampler needs to be used urgently, the existing solution designs the handle and the extension rod part of the sampler into a foldable or telescopic form, reduces the overall occupied space and is convenient to carry, but when hard soil or larger downward pressure and rotating force is needed, these parts will be loose, the folding or telescopic connection between the handle and the extension rod cannot withstand larger torque when the auger bit is deeply inserted into the soil, the connection is deformed or damaged, and the normal use of the entire sampler is affected. SUMMARY

[0004] In order to make up for the above shortcomings, the utility model provides a portable soil sampler for agriculture, which aims at improving the problem that the auger bit is deeply inserted into the soil, the folding or telescopic connection between the handle and the extension rod cannot withstand larger torque, the connection is deformed or damaged, and the normal use of the entire sampler is affected in the prior art.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: a portable soil sampler for agriculture, comprising a fixed cylinder, the outer wall end of the fixed cylinder is fixedly connected with a taper head, the top left and right sides of the outer wall of the fixed cylinder are fixedly connected with two handle rods one, the top end of the fixed cylinder is rotatably connected with a threaded column, the top of the threaded column is fixedly connected with a connecting rod, the top left and right sides of the outer wall of the connecting rod are fixedly connected with two handle rods two, the bottom end of the threaded column is fixedly connected with a sampling cylinder, the bottom of the outer wall of the fixed cylinder is provided with a fixing mechanism, and the fixing mechanism is used for sampling fixation.

[0006] Further description of the above technical scheme:

[0007] The fixing mechanism comprises a fixing disc, the fixing disc is rotationally connected to the bottom of the outer wall of the fixing cylinder, a plurality of connecting columns are arranged around the fixing disc, a plurality of fixing plates are fixedly connected to the connecting columns, springs are arranged on the outer walls of the fixing plates, bottom plates are arranged at the bottom ends of the springs, and fixing cones are arranged around the outer walls of the bottom plates.

[0008] As a further description of the above technical solution:

[0009] A plurality of connecting holes are formed around the top of the bottom plate, and the connecting holes are fixedly connected with the springs.

[0010] As a further description of the above technical solution:

[0011] A plurality of mounting holes are formed around the outer wall of the bottom plate, and the inner walls of the mounting holes are fixedly connected with the fixing cones.

[0012] As a further description of the above technical solution:

[0013] The outer walls of the two handle bars one are fixedly connected with protective sleeves one, and the outer walls of the two protective sleeves one are provided with anti-skid grooves one.

[0014] As a further description of the above technical solution:

[0015] The outer walls of the two handle bars two are fixedly connected with protective sleeves two, and the outer walls of the two protective sleeves two are provided with anti-skid grooves two.

[0016] As a further description of the above technical solution:

[0017] Two mounting grooves are formed on the top of the connecting rod, and the inner walls of the two mounting grooves are fixedly connected with reflective stickers.

[0018] As a further description of the above technical solution:

[0019] The top of the fixing plate is provided with a screw, and the bottom of the screw is threadedly connected with the top end of the connecting column.

[0020] The utility model has the advantages of the following:

[0021] 1、The two handle bars one on the top of the outer wall of the fixing cylinder provide power during operation and are convenient for users to hold during carrying, the user can easily hold the handle bar one when needing to move or carry the sampler for a short distance, and can walk in the field for a long time, and can easily carry the sampler and reduce physical consumption whether the soil sampling is performed in a farmland area.

[0022] 2. In this utility model, the design of the fixing mechanism makes the transition from the carrying state to the operating state more convenient. After arriving at the sampling location, the connection between the fixing mechanism and the fixing cylinder is stable, and no additional adjustment is required before the sampling operation can be carried out directly. Attached Figure Description

[0023] Figure 1 This is a front view of a portable soil sampler for agricultural use proposed in this utility model;

[0024] Figure 2 This is a perspective view of a portable soil sampler for agricultural use proposed in this utility model;

[0025] Figure 3 This is a top view of a portable soil sampler for agricultural use proposed in this utility model;

[0026] Figure 4 This is a diagram illustrating the fixing mechanism of a portable soil sampler for agricultural use proposed in this utility model.

[0027] Figure 5 This is a cross-sectional view of a portable soil sampler for agricultural use proposed in this utility model.

[0028] Legend:

[0029] 1. Fixed cylinder; 2. Fixed mechanism; 201. Fixed plate; 202. Connecting column; 203. Fixed piece; 204. Spring; 205. Base plate; 206. Fixed cone; 3. Cone head; 4. Handle one; 5. Threaded column; 6. Connecting rod; 7. Handle two; 8. Sampling cylinder; 9. Connecting hole; 10. Mounting hole; 11. Protective sleeve one; 12. Anti-slip groove one; 13. Protective sleeve two; 14. Anti-slip groove two; 15. Mounting groove; 16. Reflective sticker; 17. Screw. Detailed Implementation

[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0031] Reference Figure 1 , Figure 3 and Figure 5The utility model provides an embodiment: a kind of portable soil sampler for agriculture, including fixed cylinder 1, the outer wall end of fixed cylinder 1 is fixedly connected with cone head 3, the top left and right sides of the outer wall of fixed cylinder 1 are fixedly connected with two handle bars one 4, the top end middle part of fixed cylinder 1 is rotatably connected with threaded column 5, the top of threaded column 5 is fixedly connected with connecting rod 6, the top left and right sides of the outer wall of connecting rod 6 are fixedly connected with two handle bars two 7, the bottom end of threaded column 5 is fixedly connected with sampling cylinder 8, the outer wall bottom of fixed cylinder 1 is provided with fixed mechanism 2, and fixed mechanism 2 is used for sampling fixation;

[0032] Specifically, the operator first holds the four handle bars one 4 on the top left and right sides of the outer wall of the fixed cylinder 1 with both hands, presses the fixed cylinder 1 with the sharp cone head 3 vertically and downward into the soil, the cone head 3 creates conditions for subsequent operation by extruding the soil with the sharp end, then holds the handle bars two 7 on the top left and right sides of the connecting rod 6 with both hands, rotates the threaded column 5 connected with the connecting rod 6 by coordination, and the threaded column 5 moves up and down along the central axis of the fixed cylinder 1 due to the threaded cooperation between the threaded column 5 and the fixed cylinder 1, when the threaded column 5 rotates downward, the sampling cylinder 8 connected at the bottom end thereof descends, under the guidance of the channel opened by the cone head 3 in the fixed cylinder 1, the sampling cylinder 8 smoothly enters the soil to collect samples, and after reaching the predetermined depth, the operator reversely rotates the handle bars two 7 to make the threaded column 5 drive the sampling cylinder 8 to pull out from the soil, and the collection of the soil sample is completed.

[0033] Referring to Figure 2 , Figure 3 and Figure 4 , the fixed mechanism 2 includes a fixed disc 201 rotatably connected to the outer wall bottom of the fixed cylinder 1, a plurality of connecting columns 202 are arranged around the fixed disc 201, a plurality of fixed sheets 203 are fixedly connected to the connecting columns 202, a plurality of springs 204 are arranged on the outer wall of the fixed sheets 203, a plurality of bottom discs 205 are arranged at the bottom end of the springs 204, and a plurality of fixed cones 206 are arranged around the outer wall of the bottom discs 205.

[0034] Specifically, the fixed disc 201 is uniformly distributed with a plurality of connecting columns 202, the connecting columns 202 fixedly connect the fixed sheets 203, the springs 204 are arranged on the outer wall of the fixed sheets 203, the springs 204 provide elastic support to enable the fixed sheets 203 to move within a certain range, the bottom end of the springs 204 is connected to the bottom disc 205, the bottom disc 205 is connected to the fixed sheet 203 through the spring 204, and plays a supporting and fixing role, and the outer wall of the bottom disc 205 is provided with the fixed cone 206 around, the fixed cone 206 can be inserted into the ground to provide additional fixing force to prevent the entire fixed mechanism 2 from moving.

[0035] Referring to Figure 1 , Figure 2 and Figure 3The top of the chassis 205 is provided with a plurality of connecting holes 9 around the periphery, and the plurality of connecting holes 9 are fixedly connected with the spring 204; the outer wall of the chassis 205 is provided with a plurality of mounting holes 10 around the periphery, and the inner wall of the plurality of mounting holes 10 is fixedly connected with the fixed cone 206; the outer wall of the two handle bars 4 is fixedly connected with a protective sleeve 11, and the outer wall of the two protective sleeves 11 is provided with an anti-skid groove 12;

[0036] Specifically, the plurality of connecting holes 9 provided at the top around the periphery are used for fixedly connecting with the spring 204. When the fixing mechanism 2 is subjected to external force, the spring 204 can be kept connected with the chassis 205 through the connecting holes 9, and the elasticity of the spring 204 can play a buffering role to reduce the vibration and impact suffered by the fixing cylinder 1. When it is needed to fix the fixing mechanism 2 on the ground, the fixed cone 206 is inserted into the mounting hole 10, and the fixed cone 206 is inserted into the ground with force, so that the chassis 205 is fixed firmly on the ground, thereby providing stable support for the fixing cylinder 1. The protective sleeve 11 fixedly connected to the outer wall of the two handle bars 4 provides comfortable holding feeling for the operator, and the anti-skid groove 12 provided on the outer wall of the protective sleeve 11 increases the friction force to prevent the hands from slipping when holding the handle bar 4, thereby facilitating the operator to better operate and control the equipment.

[0037] Referring to Figure 1 , Figure 3 and Figure 4 , the outer wall of the two handle bars 7 is fixedly connected with a protective sleeve 13, and the outer wall of the two protective sleeves 13 is provided with an anti-skid groove 14; the top of the connecting rod 6 is provided with two mounting grooves 15 on the front and rear sides, and the inner wall of the two mounting grooves 15 is fixedly connected with a reflective sticker 16; the top of the plurality of fixing pieces 203 is provided with a screw 17, and the bottom of the plurality of screws 17 is threadedly connected with the top end of the connecting column 202;

[0038] Specifically, the protective sleeve 13 can provide certain buffering to reduce the friction and pressure suffered by the hands, the anti-skid groove 14 provided on the outer wall of the protective sleeve 13 increases the friction force between the hands and the handle bar 7 to prevent the hands from slipping when operating the handle bar 7, thereby ensuring that the user can stably hold the handle bar 7 for operation. The reflective sticker 16 can reflect light when there is light, thereby playing a warning role. The fixing piece 203 is fixedly connected with the top end of the connecting column 202 through the screw 17, so that the fixing piece 203 can be fixedly fixed on the connecting column 202.

[0039] Working principle: through the operation personnel both hands hold fixed cylinder 1 outer wall top left and right sides handle bar one 4, both hands force, fixed cylinder 1 vertical downward press, because fixed cylinder 1 outer wall end fixed connection's cone head 3 is relatively sharp, can rely on pressure easily cut into soil, with continue to exert force, cone head 3 keeps on deepening into soil, for subsequent operation opens out the passageway, then both hands hold connecting rod 6 top left and right sides handle bar two 7, through rotating handle bar two 7 drive connecting rod 6 together rotation, connecting rod 6 with threaded column 5 fixed connection, further drive threaded column 5 rotation, threaded column 5 with fixed cylinder 1 top end middle part is rotationally connected and there is thread cooperation, when threaded column 5 downward rotation, because its bottom end fixed connection taking sample cylinder 8, taking sample cylinder 8 will with threaded column 5 lower and enter into the soil passageway opened out by cone head 3, with keep on deepening, soil sample gradually enters into taking sample cylinder 8, when reach predetermined sampling depth, operator reverse rotation handle bar two 7, make threaded column 5 upward rotation, thereby drive taking sample cylinder 8 from soil and pull out, at this moment, taking sample cylinder 8 inside has collected the required soil sample, completes a soil sampling work;

[0040] And, through the fixed disc 201 rotationally connected in the outer wall bottom of fixed cylinder 1, in the process of fixed cylinder 1 pressing down, the fixed disc 201 automatically adjusts the angle according to the resistance of soil and the change of terrain, the multiple connecting columns 202 arranged around the fixed disc 201 stably connect the fixed disc 201 with the fixed sheet 203, the connecting columns 202 are uniformly distributed to ensure uniform force transmission, the fixed sheet 203 is tightly connected with the fixed disc 201 through the connecting columns 202, when the fixed cylinder 1 is inserted into the soil, the force of the fixed disc 201 can be dispersed in all directions to enhance stability, the springs 204 arranged on the outer wall of the fixed sheet 203 play a buffering role when encountering soil with different hardness, when the soil is hard, the springs 204 are compressed to reduce impact, when the soil is soft, the springs 204 are stretched to maintain support for the bottom disc 205, the bottom disc 205 at the bottom end of the springs 204 is in large-area contact with the soil surface to disperse the pressure and prevent the sampler from sinking or tilting excessively, the fixed cones 206 around the outer wall of the bottom disc 205 greatly enhance the friction and grip between the fixing mechanism 2 and the soil under proper operation to ensure that the sampler does not displace during operation.

[0041] Finally, it should be noted that the above description is only a preferred embodiment of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent replacements to some technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A portable soil sampler for agricultural use comprising a fixed cylinder (1), characterised in that: The outer wall end of the fixed cylinder (1) is fixedly connected with a taper head (3), the outer wall top of the fixed cylinder (1) is fixedly connected with two handle bars (4) on the left and right sides, the top end of the fixed cylinder (1) is rotatably connected with a threaded column (5), the top of the threaded column (5) is fixedly connected with a connecting rod (6), the outer wall top of the connecting rod (6) is fixedly connected with two handle bars (7) on the left and right sides, the bottom end of the threaded column (5) is fixedly connected with a sampling cylinder (8), the outer wall bottom of the fixed cylinder (1) is provided with a fixing mechanism (2), and the fixing mechanism (2) is used for sampling fixing.

2. A portable soil sampler for agricultural use according to claim 1, characterised in that: The fixing mechanism (2) comprises a fixed disc (201), the fixed disc (201) is rotatably connected to the outer wall bottom of the fixed cylinder (1), a plurality of connecting columns (202) are arranged around the fixed disc (201), a plurality of fixed plates (203) are fixedly connected to the connecting columns (202), a plurality of springs (204) are arranged on the outer wall of the fixed plates (203), a plurality of bottom discs (205) are arranged at the bottom end of the springs (204), and a plurality of fixed cones (206) are arranged around the outer wall of the bottom discs (205).

3. A portable soil sampler for agricultural use according to claim 2, characterised in that: A plurality of connecting holes (9) are formed in the top of the bottom disc (205), and the connecting holes (9) are fixedly connected with the springs (204).

4. A portable soil sampler for agricultural use according to claim 2, characterised in that: A plurality of mounting holes (10) are formed in the outer wall of the bottom disc (205), and the inner wall of the mounting holes (10) is fixedly connected with the fixed cone (206).

5. The portable soil sampler for agricultural use according to claim 1, characterized in that: The outer wall of the two handle bars (4) is fixedly connected with a protective sleeve (11), and the outer wall of the two protective sleeves (11) is provided with an anti-skid groove (12).

6. The portable soil sampler for agricultural use according to claim 1, characterized in that: The outer wall of the two handle bars (7) is fixedly connected with a protective sleeve (13), and the outer wall of the two protective sleeves (13) is provided with an anti-skid groove (14).

7. The portable soil sampler for agricultural use according to claim 1, characterized in that: The top of the connecting rod (6) is provided with two mounting grooves (15) on the front and back sides, and the inner wall of the two mounting grooves (15) is fixedly connected with a reflective sticker (16).

8. The portable soil sampler for agricultural use according to claim 2, characterized in that: The top of the connecting rod (6) is provided with two mounting grooves (15) on the front and back sides, and the inner wall of the two mounting grooves (15) is fixedly connected with a reflective sticker (16). The top of the connecting rod (6) is provided with two mounting grooves (15) on the front and back sides, and the inner wall of the two mounting grooves (15) is fixedly connected with a reflective sticker (16).