CN210051574U - a soil sampler - Google Patents

Abstract

The utility model relates to a soil sampler, which belongs to the technical field of soil sampling equipment. The utility model comprises a sampling cylinder, the top of the sampling cylinder is screwed with a fixer, the fixer is screwed with an extension rod, and the top of the extension rod is screwed with a handle. The circumferential surface of the sampling cylinder is provided with an opposite feeding port, the same side edge of the feeding port is fixedly connected with a drill knife, the inner side of the sampling cylinder is rotatably connected with a sampling cylinder, and the sampling cylinder is provided with a corresponding feeding port. The sample port, the sample holding cylinder is connected with a rotating rod, the rotating rod is located inside the extension rod, the top of the rotating rod protrudes out of the handle, the bottom of the sample holding cylinder is detachably connected with a blocking plate, and the utility model has the advantages of preventing the soil sample from leaking from the sampling cylinder. drop effect.

Description

a soil sampler

technical field

The utility model relates to the technical field of soil sampling equipment, in particular to a soil sampler.

Background technique

Soil sampler refers to a tool used to obtain soil samples.

The existing Chinese patent with the publication number CN205049366U, which discloses a soil sampler, includes an oil pick, a soil extractor, a crowbar, a support, a wrench and a base matched with the soil extractor, the support and the crowbar. In cooperation, the earth extractor includes an alloy rod head connected with the oil pick, and a dowel rod and a sampling cylinder are sequentially connected under the alloy rod head; the dowel rod is provided with a bulldozer, and the bottom end of the bulldozer disk is set in the sampling cylinder; There is a slope on the outer wall of the bottom end of the sampling cylinder, and the diameter of the outer wall of the middle part of the sampling cylinder is smaller than the diameter of the outer wall of the end; a number of bulldozer pin holes are vertically arranged on the bulldozer; The dowel rod is also provided with double-sided grooves corresponding to the bulldozer pin holes.

The above-mentioned prior art scheme has the following defects: in the process of pulling the sampling cylinder upwards, because the bottom of the sampling cylinder is an opening, some soil samples may be loose and fall directly from the sampling port of the sampling cylinder, causing sampling failure. , so that the operator re-samples again, increasing the work intensity.

Utility model content

The purpose of the present utility model is to provide a soil sampler that avoids soil samples falling from the sampling cylinder.

The above-mentioned utility model purpose of the present utility model is achieved through the following technical solutions:

A soil sampler comprises a sampling cylinder, the top of the sampling cylinder is threadedly connected with a fixer, the fixer is threadedly connected with an extension rod, the top of the extension rod is threadedly connected with a handle, the circumferential surface of the sampling cylinder is provided with two opposite The set feeding port, the same side edge of the feeding port is fixedly connected with a drill knife, the inner side of the sampling cylinder is rotatably connected with a sample holding cylinder, the sampling cylinder is provided with a corresponding sample holding port, and the sample holding cylinder is connected with a rotating rod , the rotating rod is located inside the extension rod, the top of the rotating rod protrudes out of the handle, and the bottom of the sample cylinder is detachably connected with a blocking plate.

By adopting the above technical solution, the feeding port and the sample holding port are directly aligned, and then the handle is turned, the handle drives the extension rod to rotate, the extension rod drives the holder to rotate, the holder drives the sampling cylinder to rotate, and the sampling cylinder drives the drill to rotate, so that the rotation The rod and the extension rod are relatively fixed, and the sample cylinder rotates with the sampling cylinder. The soil sample to be collected is introduced into the feeding port by the drill, and then the soil sample enters the sampling cylinder from the sample port. When the collection is completed, the rotating rod is rotated. At ninety degrees, the rotating rod drives the sampling cylinder to rotate ninety degrees, the feeding port and the sample port are staggered, so that the sample port is blocked by the sampling cylinder, and the bottom of the sample cylinder is blocked by the blocking plate, and then when the sampler is moved upward, The soil sample in the sampling tube will not fall out, which achieves the effect of preventing the soil sample from falling from the sampling tube.

The utility model is further provided that: the shape of the blocking plate is an inverted conical shape.

By adopting the above technical solution, when the handle is pushed and the sampling cylinder and the sampling cylinder are pressed into the soil surface, the shape of the blocking plate and the conical circumferential surface of the blocking plate play a guiding role, so that the blocking plate can move the lower part of itself. The soil is pushed away from its own axis, so that the soil is not always located under the blocking plate, so that the falling of the sampling cylinder and the sampling cylinder is more labor-saving.

The utility model is further set as follows: the included angle between the drill cutter and the tangent at the connection between the sampling cylinder and the drill cutter is twenty to forty-five degrees.

By adopting the above-mentioned technical scheme, when the included angle between the drill and the tangent at the connection between the sampling cylinder and the drill is small, when the drill rotates, the contacted images are less, and it is difficult for the drill to introduce the soil sample into the sample cylinder; It makes sampling more inconvenient; when the included angle between the tangent line between the drill and the connection between the sampling cylinder and the drill is large, when the rotating handle drives the sampling cylinder and the drill to rotate, the drill is on the vertical plane between the disposal and the direction of its own rotation. The larger the contact area with the soil, the greater the resistance of the drill, which makes it more laborious to turn the handle and makes the drill more easily damaged.

The utility model is further arranged as follows: the top end of the rotating rod is connected with a rotating piece perpendicular to itself.

By adopting the above technical solution, in the cross section perpendicular to the axis of the rotating rod, the cross-sectional area of the rotating member is larger than that of the rotating rod, so that the rotating member is more susceptible to force, thereby improving the operation convenience when the rotating rod rotates.

The utility model is further provided as follows: the rotating member is provided with a first marking hole and a second marking hole, the included angle between the connecting line from the first marking hole to the axis of the rotating rod and the connecting line from the second marking hole to the axis of the rotating rod It is a right angle. When the first marking hole is located directly above the handle, the sample holding port is directly opposite to the feeding port.

By adopting the above technical solution, when the first marking hole is located directly above the handle, the sample holding port is directly opposite to the feeding port. At this time, the handle is turned to press the sampler into the soil. After sampling is completed, the rotating part is rotated to place the second marker The hole is rotated to the top of the handle, and the rotating member drives the rotating rod and the sample port to rotate, so that the sample port and the feed port are completely staggered. When the rotating member is rotated, the first marking hole and the second marking hole play a marking role. Make the rotation angle of the sample cylinder more accurate.

The utility model is further configured as follows: the rotating piece is vertically slidably connected to the limiting piece, the limiting piece is located in the first marking hole or the second marking hole, and the bottom end of the limiting piece is inserted into the handle.

By adopting the above technical solution, when the first marking hole is located directly above the handle, the limiting member is inserted from the first marking hole, and the bottom end of the limiting member is inserted into the handle, and the limiting member plays a limiting role on the rotating member , the rotating part and the handle will not rotate relative to each other, so that the rotating rod and the extension rod will not rotate relative to each other, which ensures the accuracy of the relative position of the sample cylinder and the sampling cylinder, and enables the soil sample to enter the sample cylinder stably; When turning, pull out the stopper until the second marking hole rotates right above the handle, and insert the stopper into the second marking hole, the rotating rod and the extension rod will not rotate relative to each other, which ensures the process of taking out the soil sample. , the relative position of the sample cylinder and the sampling cylinder is stable, thus effectively preventing the soil sample from falling from the sampling cylinder.

The utility model is further configured as follows: a push plate is vertically slidably connected in the sample container, a push rod is connected to the top of the push plate, and the top end of the push rod penetrates the rotating piece.

By adopting the above technical solution, after the sampling cylinder is taken out from the soil, the blocking plate is removed, and then the push rod is pushed downward, the push rod drives the push plate to move, and the push plate pushes out the soil sample in the sample cylinder, so that the soil sample is pushed out. easier to remove.

The utility model is further configured as follows: the push plate is connected with the push rod by screw thread, and the sample container and the rotating rod are connected by screw thread.

By adopting the above technical scheme, the push rod and the push plate are detachable, and the sample container and the rotating rod are detachable. After use, the sample container and the rotating rod can be separated, and the push plate and the push rod can be separated. The length of the sampler during storage is reduced, so that it is convenient to be stored, and it is convenient to clean up the mud stuck on the push plate.

To sum up, the beneficial technical effects of the present utility model are:

1. By setting the feeding port, the drill, the sample container, the sample container, and the rotating rod, the effect of preventing the soil sample from falling from the sampling tube is achieved;

2. By setting the shape of the blocking plate to be an inverted conical shape, the falling of the sampling cylinder and the sampling cylinder is more labor-saving;

3. By setting the limiter, the accuracy of the relative position of the sample cylinder and the sampling cylinder is ensured, so that the soil sample can be stably entered into the sample cylinder and the soil sample can be prevented from falling from the sampling cylinder when the sampler is taken out.

Description of drawings

Fig. 1 is the structural representation of the present utility model;

Fig. 2 is the structural representation of sampling tube;

Fig. 3 is the sectional view of the present utility model;

Figure 4 is a cross-sectional view of the sampling cylinder perpendicular to its axis.

In the figure, 1. Sampling barrel; 11. Feeding port; 12. Drill knife; 2. Fixer; 21. Extension rod; 22. Handle; 3. Sample-holding barrel; 31. Sample-holding port; 41. Rotating member; 411, first marking hole; 412, second marking hole; 413, limiter; 5, blocking plate; 6, pushing material assembly;

Detailed ways

The present utility model will be described in further detail below in conjunction with the accompanying drawings.

1 and 4, it is a soil sampler disclosed by the utility model, comprising a sampling cylinder 1, the top of the sampling cylinder 1 is screwed with a fixer 2, the fixer 2 is screwed with an extension rod 21, and the extension rod 21 is The top end is threadedly connected with a handle 22, the circumferential surface of the sampling cylinder 1 is provided with two oppositely arranged feed ports 11, the central angle corresponding to the feed ports 11 does not exceed 90 degrees, and the same side edge of the feed port 11 is fixed A drill 12 is connected, and the included angle of the tangent at the connection between the drill 12 and the sampling cylinder 1 and the drill 12 is twenty to forty-five degrees. The inner side of the sampling cylinder 1 is rotated and connected with a sample cylinder 3, and the sampling cylinder 1 is opened. There is a sample holding port 31 corresponding to the feeding port 11, the sample holding cylinder 3 is threadedly connected with a rotating rod 4, the rotating rod 4 is located inside the extension rod 21, the top of the rotating rod 4 passes through the handle 22, and the bottom of the sample holding cylinder 3 is connected There is a blocking plate 5 , and a pushing assembly 6 is arranged in the sample holding cylinder 3 . Make the feed port 11 face the sample port 31, then rotate the extension rod 21, the extension rod 21 drives the holder 2, the sampling cylinder 1 and the drill 12 to rotate, so that the rotating rod 4 and the extension rod 21 are relatively fixed, and the sample cylinder 3. The position of the sampling cylinder 1 is relatively fixed, the drill 12 introduces the soil sample into the feeding port 11, and then the soil sample enters the sampling cylinder 1 from the sampling port 31. After the collection is completed, the rotating rod 4 is rotated 90 degrees, and the rotating rod 4. Drive the sampling cylinder 1 to rotate synchronously, the feeding port 11 and the sample holding port 31 are staggered, so that the sample holding port 31 is blocked by the sampling cylinder 1, the bottom of the sample holding cylinder 3 is blocked by the blocking plate 5, and the sample holding cylinder 3 is in a closed state , and then when the sampler is moved upwards, the soil sample in the sample tube 3 will not fall out, which achieves the effect of preventing the soil sample from falling from the sampling tube 1 .

2 and 3 , the shape of the blocking plate 5 is an inverted conical shape, and the blocking plate 5 is detachably connected to the sample cylinder 3 , and the detachable connection method can be selected between the blocking plate 5 and the sample cylinder 3 . The screw is connected with vertical screws, at least two screws are arranged, and the screws are evenly distributed along the end face of the bottom of the sample cylinder 3 . The blocking plate 5 plays the role of blocking the bottom of the sample holding cylinder 3, and the inverted conical setting saves effort when the sampler enters the soil.

1 and 3, the top end of the rotating rod 4 is connected with a rotating member 41 perpendicular to itself. The rotating member 41 is provided with a first marking hole 411 and a second marking hole 412. The first marking hole 411 is connected to the axis of the rotating rod 4. The included angle between the line connecting the second marking hole 412 and the axis of the rotating rod 4 is a right angle. When the first marking hole 411 is located directly above the handle 22, the sample holding port 31 is directly opposite to the feeding port 11, and the rotating part 41 is vertically slidably connected to a limiting member 413 , the limiting member 413 is located in the first marking hole 411 or the second marking hole 412 , and the bottom end of the limiting member 413 is inserted into the handle 22 . After the limiting member 413 is inserted into the first marking hole 411 or the second marking hole 412 and inserted into the handle 22, the limiting member 413 has a limiting effect on the rotating member 41, and the rotating member 41 and the handle 22 will not rotate relative to each other. The rotation rod 4 and the extension rod 21 do not rotate relative to each other, so as to ensure the accuracy of the relative positions of the sample holding cylinder 3 and the sampling cylinder 1 .

Referring to FIG. 3 , the pusher assembly 6 includes a push plate 61 and a push rod 62 . The push plate 61 is located in the sample container 3 and is vertically slidably connected to the sample container 3 . The push plate 61 is arranged perpendicular to the axis of the sample container 3 . , the edge of the push plate 61 is in contact with the inner wall of the sample cylinder 3, the top of the push plate 61 is threadedly connected with a push rod 62, the push rod 62 is located inside the rotating rod 4, and the top of the push rod 62 passes through the rotating member 41, the push rod 62 is vertically slidably connected with the rotating member 41 and the rotating rod 4 . After the sampling cylinder 1 is taken out from the soil, the blocking plate 5 is removed, and then the push rod 62 is pushed downward. The soil sample in the sample holding cylinder 3 can be easily taken out, and the push plate 61 is in contact with the inner wall of the sample holding cylinder 3, so that the soil sample can be pushed out relatively cleanly.

The implementation principle of this embodiment is as follows: rotate the rotating member 41 until the first marking hole 411 is directly above the handle 22, insert the limiting member 413 from the first marking hole 411, and insert the bottom end of the limiting member 413 into the handle In 22, the limiter 413 and the handle 22 will not rotate relative to each other. At this time, the feeding port 11 is facing the sample port 31, and then the handle 22 is turned, the handle 22 drives the extension rod 21 to rotate, and the extension rod 21 drives the holder 2 to rotate. , the holder 2 drives the sampling cylinder 1 to rotate, the sampling cylinder 1 drives the drill 12 to rotate, and the drill 12 introduces the soil sample to be collected into the feed port 11, and then the soil sample enters the sampling cylinder 1 from the sample port 31. After the collection is completed, pull out the limiting member 413 to make the rotating member 41 rotate 90 degrees, the rotating rod 4 drives the sampling cylinder 1 to rotate 90 degrees, the feeding port 11 and the sample holding port 31 are staggered, and the second marking hole is at this time. 412 is rotated just above the handle 22, insert the limiter 413 into the second marking hole 412, the rotating rod 4 and the extension rod 21 will not rotate relative to each other, so that the sample holding port 31 is blocked by the sampling cylinder 1, and the sample holding cylinder 3 The bottom is blocked by the blocking plate 5, the sample cylinder 3 is in a closed state, and then when the sampler is moved upward, the soil sample in the sample cylinder 3 will not fall out, and the effect of preventing the soil sample from falling from the sampling cylinder 1 is achieved. .

The examples of this specific embodiment are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Therefore: all equivalent changes made according to the structure, shape and principle of the present invention are not It should be covered within the protection scope of the present invention.

Claims (8)

1. A soil sampler, comprising a sampling cylinder (1), the top of the sampling cylinder (1) is screwed with a fixer (2), the fixer (2) is screwed with an extension rod (21), and the extension rod (21) A handle (22) is threadedly connected to the top of the sampling cylinder (1), and is characterized in that: the circumferential surface of the sampling cylinder (1) is provided with two oppositely arranged feeding ports (11), and the same side edge of the feeding port (11) is fixed. A drill (12) is connected, the inner side of the sampling cylinder (1) is rotatably connected with a sample holding cylinder (3), and the sampling cylinder (1) is provided with a sample holding port (31) corresponding to the feeding port (11). (3) A rotating rod (4) is connected, the rotating rod (4) is located inside the extension rod (21), the top of the rotating rod (4) passes through the handle (22), and the bottom of the sample container (3) is detachably connected There is a blocking plate (5). 2 . The soil sampler according to claim 1 , wherein the plugging plate ( 5 ) is in the shape of an inverted cone. 3 . 3. A soil sampler according to claim 1, characterized in that: the included angle between the drill (12) and the tangent at the connection between the sampling cylinder (1) and the drill (12) is twenty to four Fifteen degrees. 4. A soil sampler according to claim 1, characterized in that: the top end of the rotating rod (4) is connected with a rotating member (41) perpendicular to itself. 5. A soil sampler according to claim 4, characterized in that: the rotating member (41) is provided with a first marking hole (411) and a second marking hole (412), and the first marking hole ( 411) to the axis of the rotating rod (4) and the connecting line from the second marking hole (412) to the axis of the rotating rod (4) is a right angle. When it is above, the sample port (31) is directly opposite to the feed port (11). 6 . The soil sampler according to claim 5 , wherein the rotating member ( 41 ) is vertically slidably connected to a limiting member ( 413 ), and the limiting member ( 413 ) is located in the first marking hole ( 411 ). 7 . ) or the second marking hole (412), the bottom end of the stopper (413) is inserted into the handle (22). 7 . The soil sampler according to claim 1 , wherein a push plate ( 61 ) is vertically slidably connected in the sample container ( 3 ), and a push rod is connected to the top of the push plate ( 61 ). 8 . (62), the top end of the push rod (62) protrudes out of the rotating member (41). 8 . The soil sampler according to claim 7 , wherein the push plate ( 61 ) and the push rod ( 62 ) are threadedly connected, and the thread between the sample holding cylinder ( 3 ) and the rotating rod ( 4 ) is threaded. 9 . connect.

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