Agricultural soil sampling device

Abstract

The utility model discloses an agricultural soil sampling device, which relates to the field of sampling devices, and comprises a sampling rod, the lower end part of the sampling rod is fixedly connected with a sampling barrel, the upper end part of the sampling rod is fixedly provided with a grip, the outer ring of the sampling barrel is provided with a thread, the outer ring of the thread is in threaded connection with a shifting block, and the agricultural soil sampling device also comprises a bulldozing assembly. According to the soil sampler disclosed by the utility model, the grip is held, the sampling barrel is inserted into soil for sampling, and the shifting block is shifted to rotate subsequently, so that the shifting block moves downwards; at the moment, a limiting block fixedly connected with the inner wall of an annular block rotationally connected with the interior of a shifting block drives a long rod to synchronously descend, so that a top disc synchronously moves in a sampling barrel, and then soil which is sampled in the sampling barrel is ejected out, so that the sampled soil can be conveniently and uniformly collected subsequently, and threaded connection has self-locking performance; therefore, the height positions of the top tray and the long rod cannot be changed when the shifting block is not rotated, and subsequent storage of the whole sampling device is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to sampling device field, concretely relates to agricultural soil sampling device. BACKGROUND

[0002] Agricultural soil sampling is to obtain representative soil samples, so as to accurately analyze soil properties, evaluate soil quality, understand soil nutrient conditions, etc., and provide basis for agricultural production, soil improvement, environmental protection, etc.

[0003] The existing sampling device still has some problems when in use: the existing sampling device needs to use additional tools to take out the soil sampled in the sampling barrel when in use, which makes the use of the whole sampling device more cumbersome.

[0004] Therefore, it is necessary to invent an agricultural soil sampling device to solve the above problems. UTILITY MODEL CONTENT

[0005] The utility model aims at providing agricultural soil sampling device to solve the problem of the existing sampling device in the prior art that needs to use additional tools to take out the soil sampled in the sampling barrel when in use, which makes the use of the whole sampling device more cumbersome.

[0006] In order to achieve the above purpose, the utility model provides the following technical scheme: agricultural soil sampling device, including sampling rod, the lower end part of the sampling rod is fixedly connected with sampling barrel, and the upper end part of the sampling rod is fixedly installed with handle, the outer circle of the sampling barrel is provided with screw thread, and the outer circle of the screw thread is threadedly connected with the block, the inner circle of the block is provided with screw groove, and the device further comprises:

[0007] The inner part of the block is provided with annular groove, the annular groove is communicated with the screw groove, the inner part of the annular groove is slidably connected with annular block, the inner wall of the annular block is fixedly connected with limiting block, the limiting block is fixedly connected with long rod, the lower end part of the long rod is fixedly connected with top disc, and the inner part of the top disc is movably connected with the sampling barrel.

[0008] Preferably, the inner part of the sampling rod and the sampling barrel is respectively provided with columnar groove one and columnar groove two, the columnar groove one and the columnar groove two are communicated, and the inner wall of the columnar groove one and the columnar groove two is matched with the outer wall of the long rod and is slidably connected.

[0009] Preferably, the outer circle of the block is provided with sawtooth, the sawtooth of the outer circle of the block increases the friction between the hand and the block, and facilitates the driving of the block.

[0010] Preferably, the outer wall of the annular block is in close contact with the inner wall of the annular groove and is rotationally connected, and the annular groove is located at the middle position of the height of the dial block, and the annular groove does not affect the threaded connection of the dial block and the sampling rod.

[0011] Preferably, the two limiting blocks are symmetrically arranged with the inner central axis of the annular block as the axis of symmetry, and the outer walls of the two limiting blocks are in close contact with the inner walls of the vertical limiting grooves arranged inside the sampling rod and are connected in up-down sliding manner, and the limiting grooves are in communication with the cylindrical grooves, so that when the dial block is rotated, the limiting blocks are limited by the vertical limiting grooves, so that the annular block fixedly connected with the limiting blocks does not rotate, and the annular block is rotationally connected with the annular groove reserved inside the dial block, so that when the dial block connected with the sampling rod in threaded manner is rotated to move the dial block up and down, the annular block is conveniently moved up and down, the limiting blocks fixedly connected with the inner wall of the annular block drive the long rod fixedly connected with the limiting blocks to move up and down synchronously, and the top disc fixedly connected with the lower end of the long rod moves up and down inside the sampling barrel.

[0012] Preferably, the outer wall of the top disc is in close contact with the inner wall of the sampling barrel and is connected in up-down sliding manner, the top disc cleans the inner wall of the sampling barrel, and the sampled soil is prevented from remaining inside the sampling barrel, thereby affecting the next use of the sampling device.

[0013] In the above technical solution, the technical effects and advantages of the present application are provided:

[0014] 1. The sampling barrel is inserted into the soil to sample by holding the handle, and the rotation of the dial block is subsequently actuated to move the dial block downward, at which time the limiting blocks fixedly connected with the inner wall of the annular block rotationally connected inside the dial block drive the long rod to move downward synchronously, so that the top disc moves inside the sampling barrel to eject the sampled soil inside the sampling barrel, the sampled soil is conveniently collected subsequently, the threaded connection has self-locking property, so that the height position of the top disc and the long rod does not change when the dial block is not rotated, and the subsequent storage of the entire sampling device is facilitated.

[0015] 2. The outer wall of the top disc is in close contact with the inner wall of the sampling barrel and is connected in up-down sliding manner, so that the top disc cleans the inner wall of the sampling barrel, and the sampled soil is prevented from remaining inside the sampling barrel, thereby affecting the next use of the sampling device. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0017] Figure 1 It is the overall structure perspective view of the utility model;

[0018] Figure 2 It is the overall structure explosion view of the utility model;

[0019] Figure 3 It is the internal structure explosion view of the utility bar (partial cutaway state) of the utility model;

[0020] Figure 4 It is the internal structure perspective view of the sampling rod and the sampling bucket (partial cutaway state) of the utility model;

[0021] Figure 5 It is the Figure 4 Structure enlarged effect diagram at A place.

[0022] Mark explanation:

[0023] 1, sampling rod; 2, sampling bucket; 3, handle; 4, thread; 5, dial block; 6, thread groove; 7, bulldozer assembly; 701, annular groove; 702, annular block; 703, limit block; 704, limit groove; 705, long rod; 706, top disc; 707, cylindrical groove one; 708, cylindrical groove two. Specific implementation

[0024] In order to make the technical personnel in the field better understand the technical scheme of the utility model, the utility model will be further introduced in detail below in conjunction with the drawings.

[0025] The utility model provides agricultural soil sampling device as Figures 1-5 The utility model discloses agricultural soil sampling device, including sampling rod 1, the lower end of sampling rod 1 is fixedly connected with sampling bucket 2, and the upper end of sampling rod 1 is fixedly installed with handle 3, and the outer circle of sampling bucket 2 is provided with thread 4, and the outer circle of thread 4 is threadedly connected with dial block 5, and the inner circle of dial block 5 is provided with thread groove 6, further including:

[0026] Bulldozer assembly 7, the inside of dial block 5 is provided with annular groove 701, and annular groove 701 is communicated with thread groove 6, and annular block 702 is slidably connected in the inside of annular groove 701, and the inner wall of annular block 702 is fixedly connected with limit block 703, limit block 703 is fixedly connected with long rod 705, and the lower end of long rod 705 is fixedly connected with top disc 706, and top disc 706 is movably connected with the inside of sampling bucket 2.

[0027] The inside of sampling rod 1 and sampling bucket 2 is provided with cylindrical groove one 707 and cylindrical groove two 708 respectively, and cylindrical groove one 707 and cylindrical groove two 708 are communicated, and the inner wall of cylindrical groove one 707 and cylindrical groove two 708 is all combined with the outer wall of long rod 705 and presents sliding connection.

[0028] The outer ring of the knob 5 is provided with sawteeth, which increase the friction between the hand and the knob 5, facilitating the knob 5 to be moved.

[0029] The outer wall of the annular block 702 is in close contact with the inner wall of the annular groove 701 and is rotationally connected, and the annular groove 701 is located at the middle position of the height of the knob 5, and the annular groove 701 does not affect the threaded connection between the knob 5 and the sampling rod 1.

[0030] The two limiting blocks 703 are symmetrically arranged with reference to the inner central axis of the annular block 702 as the symmetry axis, and the outer walls of the two limiting blocks 703 are in close contact with the inner walls of the vertical limiting grooves 704 arranged inside the sampling rod 1 and are connected in an up-down sliding manner, and the limiting grooves 704 are connected with the cylindrical groove 707, so that when the knob 5 is moved and rotated, the limiting block 703 is limited by the vertical limiting groove 704, so that the annular block 702 fixedly connected with the limiting block 703 cannot rotate, and the annular block 702 is rotationally connected with the annular groove 701 reserved inside the knob 5, so that when the knob 5 connected with the sampling rod 1 is rotated, the position of the knob 5 moves up and down, which facilitates the annular block 702 to move up and down, and the limiting block 703 fixedly connected with the inner wall of the annular block 702 drives the long rod 705 fixedly connected with the end of the limiting block 703 to move up and down synchronously, so that the top disc 706 fixedly connected with the lower end of the long rod 705 moves up and down inside the sampling barrel 2.

[0031] The outer wall of the top disc 706 is in close contact with the inner wall of the sampling barrel 2 and is connected in an up-down sliding manner, and the top disc 706 cleans the inner wall of the sampling barrel 2, avoiding the sampled soil from remaining inside the sampling barrel 2 and affecting the next use of the sampling device.

[0032] Working principle: when using the agricultural soil sampling device, first hold the handle 3 and insert the sampling barrel 2 into the soil for sampling, then pull out the sampling barrel 2, move the knob 5 to rotate, the sawteeth on the outer ring of the knob 5 increase the friction between the hand and the knob 5, facilitating the knob 5 to be moved, and the knob 5 connected with the sampling rod 1 moves downward when being moved, at this time, the annular block 702 rotationally connected inside the annular groove 701 of the knob 5 moves downward synchronously with the knob 5, the limiting block 703 fixedly connected with the inner wall of the annular block 702 drives the long rod 705 fixedly connected with the end of the limiting block 703 to move downward synchronously, and the top disc 706 fixedly connected with the lower end of the long rod 705 moves inside the sampling barrel 2 to eject the sampled soil inside the sampling barrel 2, facilitating the sampled soil to be collected uniformly subsequently, and the outer wall of the top disc 706 is in close contact with the inner wall of the sampling barrel 2 and is connected in an up-down sliding manner, so that the top disc 706 cleans the inner wall of the sampling barrel 2, avoiding the sampled soil from remaining inside the sampling barrel 2 and affecting the next use of the sampling device.

[0033] When the soil at a proper depth needs to be sampled, the rotation of the knob 5 is actuated to move the top disc 706 to a proper position inside the sampling barrel 2, and then the sampling barrel 2 is further inserted into the soil to sample, so that the depth of the sampled soil can be adjusted;

[0034] Meanwhile, the threaded connection has self-locking property, so that the height position of the top disc 706 and the long rod 705 will not change when the knob 5 is not rotated, so that the subsequent storage of the whole sampling device is facilitated.

[0035] The above only describes some exemplary embodiments of the present application by way of illustration, without doubt, for those skilled in the art, without departing from the spirit and scope of the present application, the described embodiments can be modified in various ways. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present application.

Claims

1. An agricultural soil sampling device, comprising a sampling rod (1), characterized in that, The sampling rod (1) is fixedly connected to a sampling bucket (2) at its lower end, and a handle (3) is fixedly installed at the upper end of the sampling rod (1). The outer ring of the sampling bucket (2) is provided with a thread (4), and a lever (5) is threadedly connected to the outer ring of the thread (4). The inner ring of the lever (5) is provided with a threaded groove (6). The sampling rod (1) also includes: The bulldozing assembly (7) has an annular groove (701) pre-set inside the pusher block (5). The annular groove (701) is connected to the threaded groove (6). An annular block (702) is slidably connected inside the annular groove (701). A limiting block (703) is fixedly connected to the inner wall of the annular block (702). The limiting block (703) is fixedly connected to the long rod (705). A top plate (706) is fixedly connected to the lower end of the long rod (705). The top plate (706) is movably connected to the inside of the sampling bucket (2).

2. The agricultural soil sampling device according to claim 1, characterized in that, The sampling rod (1) and the sampling bucket (2) are respectively provided with columnar groove one (707) and columnar groove two (708), and columnar groove one (707) and columnar groove two (708) are connected. The inner walls of columnar groove one (707) and columnar groove two (708) are attached to the outer wall of the long rod (705) and are slidably connected.

3. The agricultural soil sampling device according to claim 1, characterized in that, The outer ring of the pusher block (5) is provided with serrations.

4. The agricultural soil sampling device according to claim 1, characterized in that, The outer wall of the annular block (702) is attached to the inner wall of the annular groove (701) to achieve a rotatable connection, and the annular groove (701) is located at the middle position of the height of the push block (5).

5. The agricultural soil sampling device according to claim 1, characterized in that, The limiting block (703) is provided in two parts, and the two limiting blocks (703) are symmetrically arranged with reference to the central axis of the annular block (702) as the axis of symmetry. The outer wall of the two limiting blocks (703) is attached to the inner wall of the vertical limiting groove (704) provided inside the sampling rod (1) to achieve a sliding connection. The limiting groove (704) is connected to the columnar groove (707).

6. The agricultural soil sampling device according to claim 1, characterized in that, The outer wall of the top plate (706) is attached to the inner wall of the sampling bucket (2) and forms an up-and-down sliding connection.

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