Soil detection sampling device

Abstract

The utility model belongs to the technical field of soil detection, discloses a soil detection sampling device, and aims to solve the problems that the existing sampling device takes out soil in a manual pulling manner, is labor-consuming to use, occupies a large space and is inconvenient to use, and the technical scheme of the utility model is as follows: the sampling device comprises a sampling cylinder with an opening in the bottom surface, a movable shaft is arranged in the sampling cylinder, a drill bit is arranged at the bottom of the movable shaft, spiral blades are fixedly installed on the periphery of the movable shaft, a square groove is formed in the movable shaft, a screw is arranged in the sampling cylinder, the upper end of the screw penetrates through the top of the movable shaft and the top face of the sampling cylinder and is in clearance fit with the top of the movable shaft, and a limiting plate is installed at the bottom of the screw through a bearing. According to the utility model, the movable block is arranged, the movable block moves up and down to drive the movable shaft to move up and down for control, the spiral blade is convenient to drill into soil, and in addition, most of the screw rod is positioned in the sampling cylinder, so that the occupied space of the device can be reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to soil detection technical field, concretely relates to a soil detection sampling device. BACKGROUND

[0002] In the process of planting crops, in order to improve the yield of crops, the soil where crops are planted needs to be detected, for example, when planting crops such as oats or potatoes, it is necessary to choose the soil with sufficient humus as far as possible, and secondly, the soil pH value should be controlled, otherwise the growth of crops will be seriously hindered, and the content of trace elements in the soil is also a key factor affecting the growth of crops.

[0003] In the prior art, a soil detection sampling device for planting crops is disclosed in Chinese patent CN222689453U, which brings out the soil by manual pulling, and is more laborious to use, occupies a larger space and is inconvenient to use. UTILITY MODEL CONTENT

[0004] In order to solve the above problems in the prior art, the purpose of the utility model is to provide a soil detection sampling device, which is provided with a movable block, and the up-down movement of the movable block drives the up-down movement of the movable shaft to control the screw blade to drill into the soil, and in addition, the screw rod is mostly located in the sampling cylinder, which can reduce the occupied space of the utility model.

[0005] The technical scheme adopted by the soil detection sampling device to solve its technical problems is as follows:

[0006] A soil detection sampling device is provided, which comprises a sampling cylinder with an open bottom, a movable shaft is arranged in the sampling cylinder, a drill bit is arranged at the bottom of the movable shaft, a spiral blade is fixedly installed on the outer periphery of the movable shaft, a square groove is arranged in the inside of the movable shaft, a screw rod is arranged in the sampling cylinder, the upper end of the screw rod penetrates through the top of the movable shaft and the top surface of the sampling cylinder and is in gap cooperation, a limiting plate is installed at the bottom of the screw rod through a bearing, an activity block in sliding cooperation with the square groove is arranged in the square groove, the screw rod penetrates through the activity block and is in threaded cooperation, a guide plate is installed on the upper part of the movable shaft through a one-way bearing, and a guide structure is arranged between the guide plate and the sampling cylinder.

[0007] Further, the guide structure comprises a guide groove and a guide block, the guide groove is opened on the inner wall of the sampling cylinder on both sides, and the guide block is fixedly installed on the guide plate and can slide in the guide groove.

[0008] Further, the upper end of the screw rod is fixedly installed with a handle.

[0009] Further, anti-slip lines are opened on the outer periphery of the handle.

[0010] Further, the outer periphery of the sampling cylinder is fixedly provided with a fixing ring.

[0011] Further, the outer periphery of the screw rod is provided with a sliding groove, the screw rod is fixedly provided with a bearing at the top of the movable shaft and the top surface of the sampling cylinder, the inner wall of the bearing is fixedly provided with a sliding block, and the sliding block is located in the corresponding sliding groove and is in sliding fit with the sliding groove.

[0012] Further, the top of the screw rod penetrates a nut matched with the screw rod.

[0013] Compared with the prior art, the soil detection sampling device has the advantages that:

[0014] 1. The soil detection sampling device, the user places the sampling cylinder at a position to be sampled and manually fixes the sampling cylinder, pushes the screw rod downward, the movable shaft is pushed downward by the limiting plate, the drill bit is in contact with the ground, the screw rod is rotated in a forward direction, the movable block is moved downward under the influence of the frictional resistance between the drill bit and the soil, the bottom surface of the movable block is in contact with the limiting plate, the movable block cannot be moved downward, the movable shaft is rotated, the drill bit and the helical blade are drilled into the soil and moved downward, after drilling, the sampled soil enters between the helical blades, the screw rod is rotated in a reverse direction, the movable shaft cannot be rotated in a reverse direction under the influence of the one-way bearing, the movable block is moved upward along the square groove and is in contact with the top surface of the inner wall of the square groove, the movable shaft is moved upward, the movable shaft is pulled out of the soil, the soil between the helical blades is brought into the sampling cylinder, and sampling is completed.

[0015] 2. The soil detection sampling device, the guide groove and the guide block can guide and limit the movable shaft through the guide plate, the limiting device has a simple structure and is convenient to use.

[0016] 3. The soil detection sampling device, the handle provides a force point for the user, and is convenient to use.

[0017] 4. The soil detection sampling device, the anti-skid lines increase the friction between the hands of the user and the handle, and slipping is avoided.

[0018] 5. The soil detection sampling device, the fixing ring is convenient for the user to tightly fix the sampling cylinder.

[0019] 6、The utility model discloses a soil detection sampling device, and the sliding block of chute can play the function of guiding screw rod, and will not influence the up and down movement and rotation of screw rod.

[0020] 7、The utility model discloses a soil detection sampling device can adjust the position of nut, and then control the activity range of screw rod, and the movable shaft can be fixed in the sampling barrel through the downward movement of nut and the upward movement of movable block, can prevent the soil of taking to run out. BRIEF DESCRIPTION OF DRAWINGS

[0021] Other features, objects and advantages of the present application will become more apparent from the following detailed description of non-limiting embodiments, made with reference to the attached drawings:

[0022] Figure 1 For the structural diagram of the utility model.

[0023] In the drawing: 1, sampling barrel;2, movable shaft;3, spiral blade;4, square groove;5, screw rod;6, limit plate;7, movable block;8, guide plate;9, handle;10, fixed ring;11, nut. DETAILED DESCRIPTION

[0024] The present application will be further described in detail below with reference to the accompanying drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the related utility model, and not limited to the utility model. In addition, it should be noted that, for the convenience of description, only the parts related to the utility model are shown in the drawings.

[0025] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and embodiments.

[0026] As Figure 1As shown in the figure, a soil detection sampling device, including the bottom opening sampling barrel 1, the movable shaft 2 is arranged in the sampling barrel 1, the bottom of the movable shaft 2 is provided with a drill bit, the outer periphery of the movable shaft 2 is fixedly installed with a spiral blade 3, the spiral blade 3 can be drilled into the soil when rotating forward, the inside of the movable shaft 2 is provided with a square groove 4, the sampling barrel 1 is provided with a screw rod 5, the upper end of the screw rod 5 penetrates the top of the movable shaft 2 and the top surface of the sampling barrel 1 and is in clearance fit, the bottom of the screw rod 5 is installed with a limiting plate 6 through a bearing, the square groove 4 is provided with a movable block 7 in sliding fit therewith, the screw rod 5 penetrates the movable block 7 and is in threaded fit, the screw rod 5 can drive the movable block 7 to move downward when rotating forward relative to the movable block 7, the upper part of the movable shaft 2 is installed with a guide plate 8 through a one-way bearing, the one-way bearing makes the movable shaft 2 only be able to rotate forward, and the guide plate 8 is provided with a guide structure between the sampling barrel 1. The user places the sampling barrel 1 at the position needing sampling and manually fixes, the user pushes the screw rod 5 downward, the movable shaft 2 can be pushed to move downward through the limiting plate 6, the drill bit can be contacted with the ground, the screw rod 5 is rotated forward, under the influence of the frictional resistance between the drill bit and the soil, the rotation of the screw rod 5 can drive the movable block 7 to move downward, when the bottom surface of the movable block 7 is contacted with the limiting plate 6, the movable block 7 cannot move downward, thereby the movable shaft 2 can be driven to rotate, the rotation of the movable shaft 2 can drive the drill bit and the spiral blade 3 to drill into the soil and move downward, after drilling, the sampled soil enters between the spiral blades 3, the screw rod 5 is rotated reversely, under the influence of the one-way bearing, the movable shaft 2 cannot rotate reversely, thereby the movable block 7 can be driven to move upward along the square groove 4 and be contacted with the inner wall top surface of the square groove 4, thereby the movable shaft 2 can be driven to move upward, so that the movable shaft 2 can be pulled out from the soil, the soil between the spiral blades 3 can be brought into the sampling barrel 1, thereby the sampling is completed, compared with the prior art, the movable block 7 is arranged, the upward and downward movement of the movable block 7 drives the upward and downward movement of the movable shaft 2 to be controlled, the spiral blade 3 is convenient to drill into the soil, in addition, the screw rod 5 is mostly located in the sampling barrel 1, so that the occupied space of the utility model can be reduced.

[0027] As Figure 1 shown, further preferably, the guide structure comprises a guide groove and a guide block, the guide groove is opened in the inner wall of the sampling barrel 1, and the guide block is fixedly installed on the guide plate 8 and can slide in the guide groove. The guide groove and the guide block can guide and limit the movable shaft 2 through the guide plate, the structure of the limiting device is simple, and the use is convenient.

[0028] As Figure 1 shown, further preferably, the upper end of the screw rod 6 is fixedly installed with a handle 9. The handle 9 can provide a force point for the user, and the use is convenient.

[0029] As Figure 1As shown in the drawings, further preferably, the outer periphery of the rotating handle 9 is provided with anti-skid lines. The anti-skid lines can increase the friction between the user's hand and the rotating handle 9, and can avoid slipping.

[0030] As shown in the drawings, further preferably, the outer periphery of the rotating handle 9 is provided with anti-skid lines. The anti-skid lines can increase the friction between the user's hand and the rotating handle 9, and can avoid slipping. Figure 1 As shown in the drawings, further preferably, the outer periphery of the rotating handle 9 is provided with anti-skid lines. The anti-skid lines can increase the friction between the user's hand and the rotating handle 9, and can avoid slipping.

[0031] As shown in the drawings, further preferably, the outer periphery of the rotating handle 9 is provided with anti-skid lines. The anti-skid lines can increase the friction between the user's hand and the rotating handle 9, and can avoid slipping. Figure 1 As shown in the drawings, further preferably, the outer periphery of the rotating handle 9 is provided with anti-skid lines. The anti-skid lines can increase the friction between the user's hand and the rotating handle 9, and can avoid slipping.

[0032] As shown in the drawings, further preferably, the outer periphery of the rotating handle 9 is provided with anti-skid lines. The anti-skid lines can increase the friction between the user's hand and the rotating handle 9, and can avoid slipping. Figure 1 As shown in the drawings, further preferably, the outer periphery of the rotating handle 9 is provided with anti-skid lines. The anti-skid lines can increase the friction between the user's hand and the rotating handle 9, and can avoid slipping.

[0033] The above description is only the preferred embodiment of the present application and the explanation of the applied technical principles. Those skilled in the art should understand that the utility model range involved in the present application is not limited to the technical solutions formed by the specific combination of the above technical features, and should also cover other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the utility model concept. For example, the above features can be replaced with the technical features disclosed in the present application (but not limited to) having similar functions to form technical solutions.

[0034] In addition to the technical features described in the specification, the remaining technical features are known to those skilled in the art. In order to highlight the innovative features of the present application, the remaining technical features will not be described here.

Claims

1. A soil testing and sampling device, comprising a sampling cylinder (1) with an open bottom, a movable shaft (2) disposed inside the sampling cylinder (1), a drill bit disposed at the bottom of the movable shaft (2), and a spiral blade (3) fixedly installed on the outer periphery of the movable shaft (2), characterized in that, The movable shaft (2) has a square groove (4) inside. A screw (5) is installed inside the sampling tube (1). The upper end of the screw (5) passes through the top of the movable shaft (2) and the top surface of the sampling tube (1) with clearance. The bottom of the screw (5) is fitted with a limit plate (6) through a bearing. A movable block (7) is installed in the square groove (4) with sliding cooperation. The screw (5) passes through the movable block (7) with thread. A guide plate (8) is installed on the upper part of the movable shaft (2) through a one-way bearing. A guide structure is provided between the guide plate (8) and the sampling tube (1).

2. The soil testing and sampling device according to claim 1, characterized in that, The guide structure includes a guide groove and a guide block. The guide groove is opened on both sides of the inner wall of the sampling tube (1). The guide block is fixedly installed on the guide plate (8). The guide block is located in the guide groove and can slide along it.

3. The soil testing and sampling device according to claim 1, characterized in that, A handle (9) is fixedly installed at the upper end of the screw (5).

4. The soil testing and sampling device according to claim 3, characterized in that, The outer periphery of the handle (9) is provided with anti-slip texture.

5. A soil testing and sampling device according to claim 1, characterized in that, A fixing ring (10) is fixedly installed on the lower outer periphery of the sampling tube (1).

6. A soil testing and sampling device according to claim 1, characterized in that, The screw (5) has grooves on both sides of its outer periphery. Bearings are fixedly installed on the top of the movable shaft (2) and the top surface of the sampling tube (1) through the screw (5). Slider blocks are fixedly installed on both sides of the inner wall of the bearings. The sliders are located in the corresponding grooves and slide with them.

7. A soil testing and sampling device according to any one of claims 1-6, characterized in that, The top of the screw (5) passes through a nut (11) that is threaded to it.

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