Manual exploration soil drill facilitating sampling

Abstract

The utility model discloses a manual exploration soil auger convenient for sampling, which relates to the technical field of soil sampling, and comprises a sampling barrel arranged at one end of a sampling bracket, an observation window arranged on the side wall of the sampling barrel, handles horizontally and symmetrically arranged at the other end of the sampling bracket, and a through hole arranged in the sampling bracket, a through hole is formed in the sampling support and penetrates through the whole sampling support, the movable support is slidably mounted in the through hole, a push plate is mounted at the end, close to the sampling barrel, of the movable support and slidably mounted in the sampling barrel, and the lever lifting unit is mounted on the outer side wall of the sampling support and used for assisting in lifting the sampling barrel from soil. And the force required for lifting the sampling barrel is reduced through the lever principle. The problems that in the process that an existing manual sampling soil auger is taken out of soil, a user needs to lift the manual sampling soil auger through the arm strength of the user, the use difficulty is large, and the depth of the manual sampling soil auger inserted into the soil is not easy to control in the sampling process are solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of soil sampling technology, especially relates to a hand exploration soil drill convenient for sampling. BACKGROUND

[0002] Soil sampling refers to the method of collecting soil samples. Because the soil itself has spatial distribution heterogeneity, therefore, a mixed sample should be obtained by taking samples from multiple points in a unit of land, so as to better represent the soil properties of the sampling area. The existing soil sampling is generally carried out by using a hand soil drill. A user manually holds a handle, and then uses body weight or a hammer to vertically insert a sampling part of the hand soil drill into the soil. After reaching the target depth, the user pulls out the hand soil drill from the soil through the handle.

[0003] However, the existing hand soil drill needs the user to pull it out of the soil by using his own arm strength, which has certain requirements for the user's arm strength, and is difficult to use. Moreover, although the existing hand soil drill is provided with a scale line at the sampling part to facilitate the user to judge the depth during sampling, the process of inserting the hand soil drill downward needs a large force, and it is not convenient to accurately control the depth.

[0004] Therefore, there is a need for a hand exploration soil drill convenient for sampling. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a hand exploration soil drill convenient for sampling, so as to solve the problem that the existing hand soil drill needs the user to pull it out of the soil by using his own arm strength, which has certain requirements for the user's arm strength, is difficult to use, and is not easy to control the depth of inserting into the soil. The specific technical scheme is as follows:

[0006] A hand exploration soil drill convenient for sampling, comprising a sampling support, a sampling cylinder, a handle, a moving support, a push plate, and a lever lifting unit. The sampling support is provided with the sampling cylinder at one end. An observation window is formed in the side wall of the sampling cylinder. The sampling support is provided with the handle at the other end in horizontal symmetry. A through hole is formed in the sampling support, and the through hole penetrates through the whole sampling support. The moving support is slidingly installed in the through hole. The moving support is provided with the push plate at the end close to the sampling cylinder. The push plate is slidingly installed in the sampling cylinder. The lever lifting unit is installed on the outer side wall of the sampling support, and is used to assist in lifting the sampling cylinder from the soil and reduce the force required for lifting the sampling cylinder through the principle of lever.

[0007] Preferably, the lever lifting unit comprises a first connecting rod, a second connecting rod, a clamping block, a supporting cylinder, a limiting block and a limiting cylinder, the limiting cylinder is fixedly installed on the outer side wall of the middle part of the sampling support, vertical sliding grooves and horizontal sliding grooves are formed in the outer side wall of the limiting cylinder, the horizontal sliding grooves are located at the end of the limiting cylinder close to the handle, one end of the horizontal sliding groove is communicated with one end of the vertical sliding groove, the supporting cylinder is slidably sleeved on the limiting cylinder, the limiting block is installed on the inner side wall of the supporting cylinder, the limiting block is slidably installed in the vertical sliding groove and the horizontal sliding groove, the inner diameter of the supporting cylinder is greater than or equal to the outer diameter of the sampling cylinder, the middle part of the first connecting rod is rotatably installed on the outer side wall of the supporting cylinder, one end of the first connecting rod is rotatably connected with one end of the second connecting rod, the other end of the second connecting rod is rotatably installed with the clamping block, the clamping block is used for engaging with the handle, and the distance between the connecting point of the first connecting rod and the supporting cylinder and the second connecting rod is less than half of the length of the first connecting rod.

[0008] Preferably, the end of the supporting cylinder close to the sampling cylinder is provided with a flange for increasing the contact area with the ground.

[0009] Preferably, a plurality of reinforcing ribs are circumferentially arranged on the inner side wall of the sampling cylinder around the sampling cylinder axis, the cross section of the reinforcing rib is semicircular, semicircular grooves corresponding to the reinforcing ribs are formed in the push plate, and the moving support and the push plate are rotatably connected.

[0010] Preferably, the end of the sampling support close to the handle is provided with a plurality of positioning sliding grooves and a communicating sliding groove, the plurality of positioning sliding grooves are perpendicular to the communicating sliding groove and connected with one end of the communicating sliding groove, the positioning block is installed on the side wall of the moving support and slidably installed in the positioning sliding groove and the communicating sliding groove, and the reference scale is arranged on the outer side wall of the sampling support and corresponds to the positioning sliding groove in one-to-one manner.

[0011] Preferably, the positioning sliding grooves are arranged in staggered array.

[0012] Preferably, a magnet is embeddedly installed in one end of the positioning sliding groove away from the communicating sliding groove, and the positioning block is made of metal that can be magnetized.

[0013] Compared with the prior art, the utility model has the advantages of:

[0014] 1. The utility model discloses a supporting cylinder is supported on the ground, then rotates the first connecting rod, the second connecting rod and the clamping block, makes the clamping block with the handle engagement, then presses down the one end of the first connecting rod far from the second connecting rod, pushes the handle and moves upward through the lever movement, thereby lifts the sampling cylinder from the ground.

[0015] 2. This utility model uses a positioning groove and a positioning block to limit the distance between the push plate and the opening end of the sampling tube. When the user inserts the sampling tube into the soil, the push plate will prevent the sampling tube from going deeper into the soil when it comes into contact with the soil. At this time, the sampling depth of the sampling tube is the same as the corresponding scale of the positioning block stuck in the positioning groove. Compared with the existing manual soil drill, this utility model can achieve precise depth sampling and improve work efficiency. Attached Figure Description

[0016] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. The elements or parts in the drawings are not necessarily drawn to scale.

[0017] Figure 1 This is a schematic diagram illustrating the use of this utility model;

[0018] Figure 2 yes Figure 2 Enlarged view of a portion of point A in the middle;

[0019] Figure 3 This is a schematic diagram of the storage of this utility model.

[0020] Explanation of key figure labels:

[0021] 1. Sampling bracket; 2. Sampling cylinder; 3. Handle; 4. Movable bracket; 5. Push plate; 6. Observation window; 7. First connecting rod; 8. Second connecting rod; 9. Locking block; 10. Support cylinder; 11. Limiting block; 12. Limiting cylinder; 13. Vertical slide groove; 14. Horizontal slide groove; 15. Reinforcing rib; 16. Semi-circular groove; 17. Positioning slide groove; 18. Connecting slide groove; 19. Positioning block. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. 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.

[0023] Next, refer to Figures 1 to 3 The working principle of this embodiment will be described in detail so that those skilled in the art can better understand this utility model:

[0024] A manual soil burr for easy sampling includes a sampling bracket 1, a sampling cylinder 2, a handle 3, a movable bracket 4, a push plate 5, and a lever lifting unit. The sampling cylinder 2 is mounted on one end of the sampling bracket 1. An observation window 6 is provided on the side wall of the sampling cylinder 2 to facilitate observation of the cross-section of the sampled soil and to facilitate subsequent cleaning of the sampling cylinder 2, preventing contamination from mixed samples. The handle 3 is horizontally and symmetrically mounted on the other end of the sampling bracket 1, controlling its movement. A through hole is provided inside the sampling bracket 1, extending through the entire bracket. The movable bracket 4 is slidably mounted within the through hole. A push plate 5 is mounted on the end of the movable bracket 4 closest to the sampling cylinder 2, and is slidably mounted inside the sampling cylinder 2. The push plate 5 is used to quickly remove the sample from the sampling cylinder 2, improving work efficiency. The lever lifting unit is mounted on the outer wall of the sampling bracket 1 to assist in lifting the sampling cylinder 2 from the soil, reducing the force required to lift the sampling cylinder 2 through leverage.

[0025] The lever lifting unit includes a first connecting rod 7, a second connecting rod 8, a locking block 9, a support cylinder 10, a limiting block 11, and a limiting cylinder 12. The limiting cylinder 12 is welded and fixedly installed on the outer wall of the middle part of the sampling bracket 1. A vertical sliding groove 13 and a horizontal sliding groove 14 are formed on the outer wall of the limiting cylinder 12. The horizontal sliding groove 14 is located at the end of the limiting cylinder 12 near the handle 3, and one end of the horizontal sliding groove 14 is connected to one end of the vertical sliding groove 13. The support cylinder 10 is slidably fitted onto the limiting cylinder 12. The limiting block 11 is installed on the inner wall of the support cylinder 10 and is slidably installed in the vertical sliding groove 13 and the horizontal sliding groove 14. The initial position of the limiting block 11 is located in the horizontal sliding groove 14, restricting the vertical movement of the support cylinder 10. The inner diameter of the support cylinder 10 is greater than or equal to the outer diameter of the sampling cylinder 2 to avoid interference between the support cylinder 10 and the sampling cylinder 2. The middle part of the first connecting rod 7 is rotatably mounted on the outer side wall of the support cylinder 10. One end of the first connecting rod 7 is rotatably connected to one end of the second connecting rod 8. The other end of the second connecting rod 8 is rotatably mounted with a locking block 9, which is used to engage with the handle 3. The distance between the connection point of the first connecting rod 7 and the support cylinder 10 and the second connecting rod 8 is less than half the length of the first connecting rod 7.

[0026] After the user inserts the sampling tube 2 into the target depth of the soil, the limiting block 11 can be rotated to move it away from the horizontal chute 14 and into the vertical chute 13. Then, the support tube 10 is lowered until it contacts the ground. The first connecting rod 7, the second connecting rod 8, and the locking block 9 are then rotated to engage the locking block 9 with the handle 3. At this point, pressing down on the end of the first connecting rod 7 away from the second connecting rod 8 will push the handle 3 upward, thereby moving the entire sampling bracket 1 upward and finally lifting the sampling tube 2 to the soil. Since the distance from the connection point of the first connecting rod 7 and the support tube 10 to the second connecting rod 8 is less than half the length of the first connecting rod 7, the force required to lift the sampling tube 2 is reduced to save leverage, thus lowering the difficulty of use compared to existing manual soil drills.

[0027] The end of the support cylinder 10 near the sampling cylinder 2 is provided with a flange to increase the contact area with the ground, so as to prevent the support cylinder 10 from sinking into the soil under pressure.

[0028] Multiple reinforcing ribs 15 are arranged circumferentially around the axis of the sampling cylinder 2 on its inner wall to increase its strength and prevent deformation during entry into the soil. The reinforcing ribs 15 have a semi-circular cross-section, and the push plate 5 has a semi-circular groove 16 corresponding to the reinforcing ribs 15. The movable support 4 is rotatably connected to the push plate 5. The reinforcing ribs 15 are positioned inside the sampling cylinder 2 to avoid resistance during rotation between the sampling cylinder 2 and the soil. The semi-circular reinforcing ribs 15 reduce frictional resistance between the sample and the sampling cylinder 2.

[0029] The sampling bracket 1 has multiple positioning grooves 17 and connecting grooves 18 near the handle 3. Each positioning groove 17 is perpendicular to the connecting groove 18, and one end of each positioning groove 17 is connected to the connecting groove 18. A positioning block 19 is installed on the side wall of the movable bracket 4, slidingly mounted within the positioning grooves 17 and connecting grooves. Reference scales are provided on the outer side wall of the sampling bracket 1, corresponding one-to-one with the positioning grooves 17. Before use, the positioning block 19 is inserted into the positioning groove 17 corresponding to the target depth scale, limiting the distance between the push plate 5 and the opening of the sampling cylinder 2. Then, keeping the sampling bracket 1 perpendicular to the ground, the handle 3 is pushed downwards. When the push plate 5 contacts the soil, it will prevent the sampling cylinder 2 from further penetrating the soil. At this point, the user can stop pushing the handle 3, and the sampling cylinder 2 will reach the precise sampling depth. Compared to existing manual soil drills, this invention achieves precise depth sampling, avoids repeated adjustments, and improves work efficiency.

[0030] The positioning grooves 17 are arranged in a staggered array. This arrangement avoids excessive strength reduction in the sampling bracket 1 due to overly concentrated positioning grooves 17, which could lead to deformation. A magnet is embedded in the end of the positioning groove 17 furthest from the connecting groove 18. The positioning block 19 is made of a magnetizable metal to prevent the moving bracket 4 from rotating during use, thus preventing the push plate 5 from leaving its set position and ensuring stable operation. The horizontal groove 14 and the limiting block 11 can also use the same structure to prevent rotation.

[0031] The foregoing description of specific exemplary embodiments of the present invention is for illustrative and explanatory purposes. These descriptions are not intended to limit the present invention to the precise forms disclosed, and it is obvious that many changes and variations can be made based on the above teachings. Although embodiments of the present invention have been shown and described, these specific embodiments are merely explanations of the present invention and are not intended to limit the invention. The specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. The purpose of selecting and describing exemplary embodiments is to explain the specific principles of the present invention and its practical application, so that those skilled in the art, after reading this specification, can make modifications, substitutions, variations, and various choices and changes to the embodiments as needed without departing from the principles and spirit of the present invention, provided that such modifications, substitutions, variations, and choices and changes are within the scope of the claims of the present invention and are protected by patent law.

Claims

1. A manual exploration soil drill for easy sampling, characterized in that, The sampling bracket (1), sampling tube (2), handle (3), movable bracket (4), push plate (5), and lever lifting unit are included. The sampling tube (2) is installed at one end of the sampling bracket (1). An observation window (6) is provided on the side wall of the sampling tube (2). The handle (3) is installed horizontally and symmetrically at the other end of the sampling bracket (1). A through hole is provided inside the sampling bracket (1) and the through hole runs through the entire sampling bracket (1). The movable bracket (4) is slidably installed in the through hole. A push plate (5) is installed at the end of the movable bracket (4) near the sampling tube (2). The push plate (5) is slidably installed inside the sampling tube (2). The lever lifting unit is installed on the outer side wall of the sampling bracket (1) to assist in lifting the sampling tube (2) from the soil and to reduce the force required to lift the sampling tube (2) by lever principle.

2. The manual exploration soil drill for easy sampling according to claim 1, characterized in that, The lever lifting unit includes a first connecting rod (7), a second connecting rod (8), a locking block (9), a support cylinder (10), a limiting block (11), and a limiting cylinder (12). The limiting cylinder (12) is fixedly installed on the outer wall of the middle part of the sampling bracket (1). A vertical sliding groove (13) and a horizontal sliding groove (14) are provided on the outer wall of the limiting cylinder (12). The horizontal sliding groove (14) is located at one end of the limiting cylinder (12) near the handle (3), and one end of the horizontal sliding groove (14) is connected to one end of the vertical sliding groove (13). The support cylinder (10) is slidably fitted on the limiting cylinder (12), and the limiting block (11) is installed on the support cylinder. On the inner wall of the support cylinder (10), the limiting block (11) is slidably installed in the vertical slide groove (13) and the horizontal slide groove (14). The inner diameter of the support cylinder (10) is greater than or equal to the outer diameter of the sampling cylinder (2). The middle part of the first connecting rod (7) is rotatably installed on the outer wall of the support cylinder (10). One end of the first connecting rod (7) is rotatably connected to one end of the second connecting rod (8). The other end of the second connecting rod (8) is rotatably installed with a locking block (9). The locking block (9) is used to engage with the handle (3). The distance from the connection point of the first connecting rod (7) and the support cylinder (10) to the second connecting rod (8) is less than half the length of the first connecting rod (7).

3. The manual exploration soil drill for easy sampling according to claim 2, characterized in that, The support cylinder (10) has a flange at one end near the sampling cylinder (2) to increase the contact area with the ground.

4. The manual exploration soil drill for easy sampling according to claim 1, characterized in that, The inner wall of the sampling cylinder (2) has a plurality of reinforcing ribs (15) arranged in a circular array around the axis of the sampling cylinder (2). The cross-sectional shape of the reinforcing ribs (15) is semi-circular. The push plate (5) has a semi-circular groove (16) corresponding to the reinforcing ribs (15). The movable bracket (4) and the push plate (5) are rotatably connected.

5. The manual exploration soil drill for easy sampling according to claim 1, characterized in that, The sampling bracket (1) has multiple positioning grooves (17) and connecting grooves (18) at one end near the handle (3). The multiple positioning grooves (17) are perpendicular to the connecting grooves (18) and one end of the positioning grooves (17) is connected to the connecting grooves (18). The moving bracket (4) has a positioning block (19) installed on its side wall. The positioning block (19) is slidably installed in the positioning grooves (17) and the connecting grooves. The sampling bracket (1) has a reference scale on its outer side wall. The reference scale corresponds one-to-one with the positioning grooves (17).

6. The manual exploration soil drill for easy sampling according to claim 5, characterized in that, The positioning groove (17) is arranged in a staggered array.

7. A manual exploration soil drill for easy sampling according to claim 5, characterized in that, A magnet is embedded in the end of the positioning groove (17) away from the connecting groove (18), and the positioning block (19) is made of a metal that can be magnetized.

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