Agricultural soil fertility detection sampling device

Abstract

The utility model discloses an agricultural soil fertility detecting and sampling device which comprises a sleeve rod, the bottom end of the sleeve rod is fixedly connected with a sampling barrel, a penetrating rod is inserted into the sleeve rod in a penetrating mode, the bottom end of the penetrating rod penetrates through the inner wall of the sampling barrel and is fixedly connected with an ejection block, and a limiting mechanism is installed on the surface of the sampling barrel. The limiting mechanism comprises a sleeve ring, two limiting rods, a threaded hole, a threaded rod, a rotary knob and a plurality of locking holes, an anti-deviation mechanism is installed on the surface of the sleeve rod, the anti-deviation mechanism comprises a guide cylinder, two connecting rods, a supporting ring and four inserting rods, an annular groove is formed in the top of the sleeve rod, and a clamping ring is clamped to the inner wall of the annular groove; according to the agricultural soil fertility detecting and sampling device disclosed by the utility model, soil with a specified depth can be taken according to requirements by adjusting the positions of the fixed lantern ring and the limiting rod, and the conditions of deviation and skewing during downward insertion of the device can be avoided by erecting the deviation preventing mechanism and utilizing the guide cylinder, so that the sampling is more accurate.

Description

Technical Field

[0001] The utility model relates to the technical field of sampling devices, in particular to an agricultural soil fertility detection sampling device. Background Art

[0002] The fertility of agricultural soil refers to the degree to which the nutrients and other substances contained in the soil support the growth of crops.

[0003] In order to evaluate the fertility of soil, farmers and agricultural experts usually conduct soil tests, including measuring nutrient content, pH value, organic matter content, etc., which requires the use of sampling devices to sample agricultural soil. However, existing agricultural soil sampling devices have the following disadvantages:

[0004] The existing sampling device lacks a limiting structure on the sampling tube when inserted into the soil, and cannot take soil at a specified depth as required;

[0005] The existing sampling device lacks an anti-deflection structure when inserted into the ground, and is prone to deviation and skewness during insertion. Utility Model Content

[0006] The purpose of the utility model is to provide an agricultural soil fertility detection sampling device to solve the problems proposed in the above-mentioned background technology that the existing sampling device lacks a limiting structure on the sampling tube when inserted into the soil, cannot take soil of a specified depth according to demand, and the sampling device lacks an anti-deviation structure when inserted into the ground, and is prone to deviation and skewness during insertion.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an agricultural soil fertility detection sampling device, comprising a sleeve rod, the bottom end of the sleeve rod is fixedly connected to a sampling barrel, a through rod is inserted into the interior of the sleeve rod, and the bottom end of the through rod passes through the inner wall of the sampling barrel and is fixedly connected to a ejection block, the surface of the sampling barrel is installed with a limiting mechanism, the limiting mechanism includes a sleeve ring, two limiting rods, a threaded hole, a threaded rod, a knob and a plurality of locking holes, the surface of the sleeve rod is installed with an anti-deviation mechanism, the anti-deviation mechanism includes a guide barrel, two connecting rods, a support ring and four insertion rods, the top of the sleeve rod is provided with an annular groove, the inner wall of the annular groove is clamped with a snap ring, and the surface of the snap ring is fixedly installed with a lighting lamp.

[0008] When using an agricultural soil fertility detection sampling device of the present technical solution, soil at a specified depth can be sampled as required by adjusting the position of the fixed collar and the limit rod. By setting up an anti-deviation mechanism and utilizing a guide cylinder, deviation and skewness during insertion of the device can be avoided, and sampling can be more accurate.

[0009] As a preferred technical solution of the utility model, the collar is sleeved on the surface of the sampling barrel, both sides of the collar are fixedly connected to limit rods, a threaded hole is provided on the front of the collar, a threaded rod is threadedly connected to the surface of the threaded hole, a knob is fixedly connected to one end of the threaded rod, and a plurality of locking holes are evenly provided on the surface of the sampling barrel. The knob is provided to rotate the threaded rod to make it move.

[0010] As a preferred technical solution of the utility model, one end of the threaded rod away from the knob is plugged into the inner wall of one of the locking holes. The threaded rod is plugged into the locking hole to limit the movement of the collar.

[0011] As a preferred technical solution of the utility model, the guide cylinder is sleeved on the surface of the sleeve rod, the two sides of the guide cylinder are fixedly connected with connecting rods, the bottom ends of the two connecting rods are fixedly connected with support rings, and the two ends of the bottom ends of the support rings are fixedly connected with plug rods. The support ring can be fixed on the soil surface by providing the plug rods.

[0012] As a preferred technical solution of the utility model, a pressing block is fixedly connected to the top of the penetration rod. The pressing block is provided to facilitate pressing down the penetration rod.

[0013] As a preferred technical solution of the utility model, the top ends of both sides of the sleeve rod are fixedly connected with handles, which are provided to facilitate pressing down the sampling device.

[0014] As a preferred technical solution of the utility model, a rubber sleeve is provided on the surface of the handle to prevent slipping when the hand is gripping.

[0015] As a preferred technical solution of the utility model, the bottom end of the sampling tube is provided with a tip, which makes it easier for the sampling tube to be inserted into the soil.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] By arranging a limit mechanism on the surface of the sampling tube, the position of the fixed collar can be adjusted according to the sampling soil depth requirement, so that when the sampling tube is inserted to the specified soil depth, it will be blocked by the limit rod, so that the soil at the specified depth can be sampled according to the requirement;

[0018] 2. By installing an anti-deviation mechanism on the agricultural soil to be sampled, the guide cylinder can prevent the device from being offset and tilted when inserted, making sampling more accurate. The lighting can provide lighting in dim light to ensure a clear field of vision during sampling. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional diagram of the utility model;

[0020] Figure 2 It is a partial stereogram of the utility model;

[0021] Figure 3 It is a partial cross-sectional view of the utility model;

[0022] Figure 4 It is a side cross-sectional view of the collar of the utility model.

[0023] In the figure: 1. sleeve rod; 2. sampling tube; 3. handle; 4. rubber sleeve; 5. through rod; 6. ejection block; 7. pressing block; 8. limit mechanism; 801. sleeve ring; 802. limit rod; 803. threaded hole; 804. threaded rod; 805. knob; 806. locking hole; 9. anti-bias mechanism; 901. guide tube; 902. connecting rod; 903. support ring; 904. insertion rod; 10. tip; 11. annular groove; 12. retaining ring; 13. lighting lamp. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-4 The utility model provides an agricultural soil fertility detection sampling device, including a sleeve rod 1, a sampling tube 2 is fixedly connected to the bottom end of the sleeve rod 1, a penetration rod 5 is inserted into the interior of the sleeve rod 1, and the bottom end of the penetration rod 5 passes through the inner wall of the sampling tube 2 and is fixedly connected to a ejection block 6 for easy material removal, a limiting mechanism 8 is installed on the surface of the sampling tube 2, the limiting mechanism 8 includes a sleeve ring 801, two limiting rods 802, a threaded hole 803, a threaded rod 804, a knob 805 and a plurality of locking holes 806, an anti-deviation mechanism 9 is installed on the surface of the sleeve rod 1, the anti-deviation mechanism 9 includes a guide tube 901, two connecting rods 902, a support ring 903 and four insertion rods 904, an annular groove 11 is opened on the top of the sleeve rod 1, a clamping ring 12 is clamped on the inner wall of the annular groove 11 for easy disassembly, and a lighting lamp 13 is fixedly installed on the surface of the clamping ring 12 for lighting.

[0026] When in use, by setting a limit mechanism 8 on the surface of the sampling tube 2, soil of a specified depth can be sampled according to demand, and by setting an anti-deviation mechanism 9 on the agricultural soil to be sampled, sampling can be more accurate. The set lighting lamp 13 can provide lighting in dim light to ensure a clear field of vision during sampling, and the clamping ring 12 is used for easy disassembly and assembly;

[0027] The collar 801 is sleeved on the surface of the sampling tube 2, and both sides of the collar 801 are fixedly connected to the limit rod 802. A threaded hole 803 is provided on the front of the collar 801, and a threaded rod 804 is threadedly connected to the surface of the threaded hole 803. One end of the threaded rod 804 is fixedly connected to a knob 805 for easy rotation. A plurality of locking holes 806 are evenly provided on the surface of the sampling tube 2, and one end of the threaded rod 804 away from the knob 805 is plugged into the inner wall of one of the locking holes 806 to play a locking role. The guide cylinder 901 is sleeved on the surface of the sleeve rod 1, and both sides of the guide cylinder 901 are fixedly connected to connecting rods 902, and the bottom ends of the two connecting rods 902 are fixedly connected to support rings 903, and both ends of the bottom end of the support ring 903 are fixedly connected to plug rods 904 for fixing the position;

[0028] When in use, the position of the collar 801 can be adjusted according to the sampling soil depth requirement. After completion, the knob 805 is rotated to drive the threaded rod 804 to move so that it can be plugged into the locking hole 806 on the surface of the sampling tube 2. When the sampling tube 2 is inserted to the specified depth of the soil, it will be blocked by the limit rod 802, so that the soil at the specified depth can be sampled. The support ring 903 is plugged and fixed to the soil surface through the bottom plug rod 904. When the sampling device is inserted for sampling, the guide tube 901 can prevent the device from being offset and skewed when it is inserted.

[0029] The top of the piercing rod 5 is fixedly connected with a pressing block 7 for easy pressing down, the tops of both sides of the sleeve rod 1 are fixedly connected with handles 3, the surface of the handles 3 is covered with a rubber sleeve 4 to improve the anti-slip property, and the bottom end of the sampling tube 2 is provided with a tip 10 for easy insertion into the soil;

[0030] When in use, hold the handle 3 with both hands and then press down the device. The rubber sleeve 4 can improve the anti-slip effect so that the hand is not easy to slip. Use the tip 10 to insert the sampling tube 2 into the soil. The sampled soil will be placed inside the sampling tube 2. Then pull out the device, press down the pressing block 7 to drive the penetration rod 5 to move, and use the ejection block 6 at its bottom to eject the agricultural soil sample in the sampling tube 2 for fertility detection.

[0031] When used specifically, the utility model is a sampling device for detecting the fertility of agricultural soil. When sampling, hold the handle 3 with both hands, then press down the device, insert the sampling tube 2 into the soil, the sampled soil will be placed inside the sampling tube 2, and then pull out the device, by pressing the penetration rod 5, the agricultural soil sample in the sampling tube 2 can be ejected by using the ejection block 6 at its bottom to be used for fertility detection. By arranging a limiting mechanism 8 on the surface of the sampling tube 2, the position of the collar 801 can be adjusted according to the sampling soil depth requirement. After completion, the knob 805 is rotated to drive the threaded rod 804 to move so that it is aligned with the sampling tube 2. The locking hole 806 on the surface of the sampling tube 2 is plugged in, so that when the sampling tube 2 is inserted to the specified depth of the soil, it will be blocked by the limit rod 802, so that the soil of the specified depth can be sampled according to needs, and the anti-deviation mechanism 9 is installed on the agricultural soil to be sampled, and the support ring 903 is plugged and fixed to the soil surface through the bottom plug rod 904. When the sampling device is inserted for sampling, the set guide tube 901 can avoid the device from being offset and skewed when being inserted, and the sampling is more accurate. The set lighting lamp 13 can provide lighting in dim light to ensure a clear field of vision during sampling.

[0032] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A device for detecting and sampling agricultural soil fertility, comprising a sleeve rod (1), characterized in that: The bottom end of the sleeve rod (1) is fixedly connected to a sampling barrel (2), a penetration rod (5) is inserted into the interior of the sleeve rod (1), and the bottom end of the penetration rod (5) passes through the inner wall of the sampling barrel (2) and is fixedly connected to an ejection block (6). A limiting mechanism (8) is installed on the surface of the sampling barrel (2), and the limiting mechanism (8) comprises a sleeve ring (801), two limiting rods (802), a threaded hole (803), a threaded rod (804), a knob (805) and a plurality of locking holes (806). An anti-deflection mechanism (9) is installed on the surface of the sleeve rod (1), and the anti-deflection mechanism (9) comprises a guide barrel (901), two connecting rods (902), a support ring (903) and four insertion rods (904). An annular groove (11) is provided at the top of the sleeve rod (1), and a clamping ring (12) is clamped on the inner wall of the annular groove (11), and an illuminating lamp (13) is fixedly installed on the surface of the clamping ring (12).

2. The agricultural soil fertility detection sampling device according to claim 1 is characterized in that: The collar (801) is sleeved on the surface of the sampling tube (2), and both sides of the collar (801) are fixedly connected to limit rods (802). A threaded hole (803) is provided on the front of the collar (801), and a threaded rod (804) is threadedly connected to the surface of the threaded hole (803), and a knob (805) is fixedly connected to one end of the threaded rod (804). A plurality of locking holes (806) are evenly provided on the surface of the sampling tube (2).

3. The agricultural soil fertility detection sampling device according to claim 2 is characterized in that: One end of the threaded rod (804) away from the knob (805) is plugged into the inner wall of one of the locking holes (806).

4. The agricultural soil fertility detection sampling device according to claim 1 is characterized in that: The guide cylinder (901) is sleeved on the surface of the sleeve rod (1), and connecting rods (902) are fixedly connected to both sides of the guide cylinder (901), and the bottom ends of the two connecting rods (902) are fixedly connected to support rings (903), and both ends of the bottom ends of the support rings (903) are fixedly connected to insertion rods (904).

5. The agricultural soil fertility detection sampling device according to claim 1, characterized in that: A pressing block (7) is fixedly connected to the top end of the penetration rod (5).

6. The agricultural soil fertility detection sampling device according to claim 1, characterized in that: The top ends of both sides of the sleeve rod (1) are fixedly connected with handles (3).

7. The agricultural soil fertility detection sampling device according to claim 6 is characterized by: The surface of the handle (3) is covered with a rubber sleeve (4).

8. The agricultural soil fertility detection sampling device according to claim 1 is characterized by: The bottom end of the sampling tube (2) is provided with a pointed portion (10).

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