A portable sampler

Abstract

The utility model provides a portable sampler, include: push rod and sampling assembly, sampling assembly includes sampling rod, fixed sleeve, sampling cylinder, fixed ring and spiral sampling piece, push rod and sampling rod are detachably connected through the connecting portion, the upper end of fixed sleeve is screwed with sampling rod, and the fixed ring is fixedly arranged on the outer periphery of the sampling rod, and the spiral sampling piece is located below the fixed ring and is fixedly arranged in the outer periphery of the sampling rod in the form of spiral along the axial direction of the sampling rod, the sampling cylinder has fixed part and storage cavity, the fixed part is located between fixed sleeve and fixed ring, the lower end of fixed sleeve has limit groove, and the fixed part is inserted and cooperated in the limit groove, in the downward rotation process of fixed sleeve through the screw, the fixed part is inserted and cooperated in the limit groove, and the fixed part is abutted between fixed sleeve and fixed ring. When using the utility model, the detachable mode is convenient for carrying, and also can be quickly installed when using, in the use process, can carry out sampling quickly, improves sampling efficiency.

Description

Technical Field

[0001] This utility model belongs to the field of surveying and mapping technology, and in particular relates to a portable sampler. Background Technology

[0002] A sampler is a type of sampling device, which, as the name suggests, is used to sample soil. Samplers are frequently used in soil exploration. Only after collecting and sampling soil samples from the area can information about the geological conditions of the area be obtained. After drilling holes at the location to be explored using drilling equipment, samples are taken using a sampler. Since most soil exploration sampling is done outdoors, most samplers are not convenient to carry and use, and samplers are not convenient for removing and cleaning soil when taking sand samples.

[0003] Therefore, to solve the above problems, a sampler is needed that is easy to carry and use, easy to clean up the soil, and can improve the efficiency of use. Utility Model Content

[0004] In view of the shortcomings of the prior art described above, the purpose of this utility model is to provide a portable sampler to solve the technical problems that most samplers in the prior art are inconvenient to use and that it is inconvenient to remove and clean up soil when taking sand.

[0005] To achieve the above and other related objectives, this utility model provides a portable sampler, comprising: a push rod and a sampling assembly. The sampling assembly includes a sampling rod, a fixing sleeve, a sampling tube, a fixing ring, and a spiral sampling blade. The push rod and the sampling rod are detachably connected via a connecting part. The upper end of the fixing sleeve is threadedly connected to the sampling rod. The fixing ring is fixedly disposed on the outer periphery of the sampling rod. The spiral sampling blade is located below the fixing ring and is spirally fixed on the outer periphery of the sampling rod along the axial direction. The sampling tube is composed of two semi-cylindrical tubes that, when combined, form a tubular sleeve. The sampling tube is attached to the sampling rod, and both the fixing ring and the spiral sampling blade are located inside the sampling tube. The sampling tube has a fixing part and a storage cavity. The fixing part is located between the fixing sleeve and the fixing ring. Both the fixing ring and the spiral sampling blade are located inside the storage cavity, and the upper side of the fixing ring abuts against the upper side of the storage cavity. The lower end of the fixing sleeve has a limiting groove, and the fixing part is inserted into the limiting groove. During the downward rotation of the fixing sleeve via the thread, the fixing part is inserted into the limiting groove and abuts against the fixing sleeve and the fixing ring.

[0006] In this way, the push rod and the sampling rod can be detachably connected, making them easy to carry. After sampling is completed, the push rod can be pulled out directly through the two semi-cylindrical sampling tubes. By rotating the fixed sleeve away from the sampling tube, the sampling tube can be easily separated, thereby sampling the soil between the sampling tube and the spiral sampling plate. The detachable sampling tube is also convenient for cleaning.

[0007] Optionally, the system also includes a positioning assembly, which comprises a fixed frame and a positioning disc. The fixed frame has a limiting post on its lower side, and the positioning disc has a limiting hole. The fixed frame is detachably mounted on the positioning disc through the insertion and engagement of the limiting post and the limiting hole. An internally threaded sleeve is fixedly installed on the fixed frame, and the push rod has threads that screw into the internally threaded sleeve. The positioning disc has a through hole in the middle, and the push rod is movably positioned within the through hole at intervals. The positioning disc and the fixed frame facilitate the direction of the push rod's movement. Utilizing the combination of the push rod and the internally threaded sleeve, when the push rod is rotated, it screws downwards, thereby driving the sampling cylinder downwards and into the soil for sampling.

[0008] Optionally, the positioning disc has several mounting grooves circumferentially arranged below it. A positioning block is rotatably mounted within each mounting groove via a rotating shaft, and the positioning block is inclined downwards toward the through hole. The positioning block facilitates the fixing of the positioning disc and the fixing frame, preventing the fixing frame from rotating together during the rotation of the push rod.

[0009] Optionally, the connecting part includes a connecting sleeve, a connecting block at the lower end of the push rod, and a connecting groove at the upper end of the sampling rod. The connecting block and the connecting groove are inserted into each other. Both the push rod and the sampling rod have external threads at their ends near the connecting part, and the connecting sleeve has internal threads. The connecting sleeve, the push rod, and the sampling rod are screwed together by these threads. The connecting part facilitates the assembly and disassembly of the push rod and the sampling assembly, making it convenient to carry and use.

[0010] Optionally, a plurality of extension rods are provided between the push rod and the sampling rod. Each extension rod has a connecting groove at the end near its connection to the push rod, and a connecting block at the end connecting to the sampling rod. Both ends of the extension rod are provided with external threads, and connecting sleeves are threadedly connected to the push rod and the sampling rod at their respective connections. The extension rods are suitable for sampling soil at different depths.

[0011] Optionally, three positioning blocks are evenly arranged circumferentially. This three-jaw positioning method allows the positioning disc to be placed more stably outside the borehole.

[0012] Optionally, the connecting block is square, and the connecting groove is square in shape corresponding to the connecting block. The square-shaped connecting groove and connecting block ensure that the push rod and sampling rod rotate synchronously during rotation, avoiding relative rotation and thus facilitating sampling.

[0013] Optionally, the mounting groove has a downward-facing inclined surface on the side near the through hole. After the positioning block rotates, it fits against the inclined surface, causing the positioning block to tilt downwards towards the through hole. The inclined surface allows the positioning block to tilt, facilitating its fixation at the borehole opening and enabling the push rod and sampling cylinder to extend into the borehole for sampling.

[0014] Optionally, the lower end of the sampling tube has a screw-in blade, which is axially arranged and has an inclined cutting surface, and is evenly distributed at the lower end of the sampling tube. The screw-in blade facilitates insertion of the sampling tube into the soil under the action of the blade during the rotation of the push rod, thereby enabling sampling.

[0015] Optionally, a handle is provided at the upper end of the push rod. The handle facilitates the rotation of the push rod.

[0016] The beneficial effects of this utility model are as follows: When using this utility model, the detachable design makes it easy to carry and allows for quick installation during use. It also enables rapid sampling, improving sampling efficiency. Attached Figure Description

[0017] Figure 1 The diagram shown is a schematic representation of the overall structure of this utility model.

[0018] Figure 2 The diagram shown is a cross-sectional view of the structure at the positioning disc of this utility model.

[0019] Figure 3 The diagram shown is a cross-sectional view of the structure of the sampling cylinder of this utility model.

[0020] Figure 4 The diagram shown is an exploded view of the structure of the sampling cylinder of this utility model. Detailed Implementation

[0021] The following specific embodiments illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification.

[0022] Please see Figures 1 to 4It should be understood that the structures, proportions, sizes, etc., depicted in the accompanying drawings are merely for illustrative purposes to aid those skilled in the art and are not intended to limit the scope of this invention. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in proportions, or adjustments to size, without affecting the effectiveness and purpose of this invention, should still fall within the scope of the technical content disclosed in this invention. Furthermore, the terms such as "upper," "lower," "left," "right," "middle," and "one" used in this specification are merely for clarity and are not intended to limit the scope of this invention. Changes or adjustments to their relative relationships, without substantially altering the technical content, should also be considered within the scope of this invention.

[0023] like Figures 1-4 As shown, a portable sampler includes: a push rod 1, a sampling rod 2, a fixing sleeve 3, a fixing ring 4, and a sampling cylinder 5. One end of the push rod 1 is provided with a connecting block 101, and one end of the sampling rod 2 is provided with a connecting groove 201. The connecting block 101 and the connecting groove 201 are inserted into each other. Both the push rod 1 and the sampling rod 2 are threaded, and the connecting sleeve 6 is screwed onto them. After the connecting rod 101 and the connecting groove 201 are inserted into each other, the connecting sleeve 6 is screwed onto the connection between the push rod 1 and the sampling rod 2 to prevent them from separating. The other end of the push rod 1 is provided with a handle 102. The other end of the sampling rod 2 is provided with a spiral sampling disc 202 fixedly in a spiral shape along the axial direction of the sampling rod 2. The fixing ring 4 is fixed to the outer periphery of the sampling rod 2. Located on the side of the spiral sampling blade 202 near the fixed sleeve 3, the sampling cylinder 5 is arranged in two semi-cylinders, which are combined to form a fixing part 501 and a storage cavity 502. The fixing part 501 is sleeved on the sampling rod 2. The spiral sampling blade 202 and the fixing ring 4 are located in the storage cavity 502 of the combined sampling cylinder 5. The fixed sleeve 3 is screwed onto the sampling rod 2. The end of the fixed sleeve 3 facing the sampling cylinder 5 has a limiting groove 301. The fixing part 501 and the limiting groove 301 of the sampling cylinder 5 are inserted and engaged. The fixed sleeve 3 rotates on the sampling rod 2 toward one end of the spiral sampling blade 202. Under the threaded engagement, the fixing part 501 of the sampling cylinder 5 is inserted into the limiting groove 301, so that the sampling cylinder 5 is kept in a combined state and the sampling cylinder 5 is pressed against the position of the fixing ring 4, so that the sampling cylinder 5 is fixed between the fixed sleeve 3 and the fixing ring 4.

[0024] To facilitate the insertion of push rod 1 and sampling rod 2 into the borehole for sampling, a positioning disc 7 and a fixing frame 8 are set outside the borehole. The positioning disc 7 has a through hole in the center to facilitate the entry and exit of the sampling rod 2. Three mounting slots 701 are evenly arranged around the lower end of the positioning disc 7. A positioning block 702 is rotatably installed in the mounting slot 701 through a rotating shaft. A slope is provided on the side of the mounting slot 701 near the through hole. After the positioning block 702 rotates, it tilts downward toward the through hole under the action of the slope. The three-jaw positioning method can make the positioning disc more stably placed outside the borehole. The positioning disc 7 has several limiting holes 703. The lower side of the fixing frame 8 is provided with limiting posts 801 corresponding to the limiting holes 703. The fixing frame 801 is detachably attached to the positioning disc 7 through the limiting posts 801. An internal threaded sleeve 9 is fixedly installed on the fixing frame 8. The push rod 1 is screwed into the internal threaded sleeve 9. The lower end of the push rod is inserted into the drill hole after passing through the through hole of the positioning disc.

[0025] Specifically, when not in use, the positioning block is retracted into the mounting slot for easy carrying.

[0026] For deeper boreholes, an extension rod 10 can be used. The two ends of the extension rod 10 are inserted into the connecting ends of the push rod and the sampling rod, and then connected through the connecting sleeve 6.

[0027] Specifically, the lower end of the sampling cylinder 5 has a screw-in blade 503, which is arranged axially and has an inclined cutting surface, and is evenly distributed at the lower end of the sampling cylinder.

[0028] Specifically, a handle 102 is provided at the upper end of the push rod.

[0029] Working principle: First, assemble the present invention: the push rod is first screwed onto the internal threaded sleeve on the fixing frame, and then screwed into the connecting sleeve. The connecting block at the lower end is inserted into the connecting groove at the upper end of the sampling rod. Then, the connecting sleeve is screwed into the connection point, so that the push rod and the sampling rod are simultaneously screwed onto the connecting sleeve (for deeper drill holes, one or more extension rods can be used). Then, the two semi-cylindrical sampling tubes are combined, so that the fixing ring and the spiral sampling plate are in the storage cavity, and the fixing part is on the upper side of the fixing ring. Then, the fixing sleeve is rotated downwards, so that the limiting groove is inserted into the fixing part, and the sampling tube is pressed against the fixing ring and the fixing sleeve through the fixing sleeve. The assembly is complete. Take out the positioning disc and pull out the three positioning blocks from the mounting groove. Tilt the three positioning blocks towards the through hole, then place the positioning disc on the drill hole, ensuring the three positioning blocks fit snugly against the drill hole opening. Next, insert the assembled push rod and its sampling cylinder into the drill hole through the through hole in the center of the positioning disc. Use the limiting pin on the fixing frame to insert into the limiting hole of the positioning disc. Then, rotate the push rod by the handle; under the action of the internal threaded sleeve, the push rod will advance into the drill hole, causing the sampling cylinder to contact the soil at the bottom of the drill hole and insert into the soil. Then, under the action of the spiral sampling blade, the soil will be spiraled into the storage cavity. After sampling, simply pull the push rod outwards. When it is necessary to remove the sample, rotate the fixing sleeve in the opposite direction to disengage the fixing part from the limiting groove, thus separating the sampling cylinder. Then, collect the sample.

[0030] The above embodiments are merely illustrative of the principles and effects of this utility model and are not intended to limit the scope of this utility model. Any person skilled in the art can modify or alter the above embodiments without departing from the spirit and scope of this utility model. Therefore, all equivalent modifications or alterations made by those skilled in the art without departing from the spirit and technical concept disclosed in this utility model should still be covered by the claims of this utility model.

Claims

1. A portable sampler, characterized in that, include: The push rod and sampling assembly include a sampling rod, a fixing sleeve, a sampling cylinder, a fixing ring, and a spiral sampling blade. The push rod and the sampling rod are detachably connected via a connecting part. The upper end of the fixing sleeve is threadedly connected to the sampling rod. The fixing ring is fixedly disposed on the outer periphery of the sampling rod. The spiral sampling blade is located below the fixing ring and is spirally fixed on the outer periphery of the sampling rod along the axial direction. The sampling cylinder consists of two semi-cylindrical tubes that are joined together to form a tubular sleeve on the sampling rod. The fixing ring and the spiral sampling blade are both located inside the sampling cylinder. The sampling cylinder has a fixing part and a storage cavity. The fixing part is located between the fixing sleeve and the fixing ring. The fixing ring and the spiral sampling blade are both located inside the storage cavity, and the upper side of the fixing ring abuts against the upper side of the storage cavity. The lower end of the fixing sleeve has a limiting groove, and the fixing part is inserted into the limiting groove. During the downward rotation of the fixing sleeve by the thread, the fixing part abuts against the fixing sleeve and the fixing ring.

2. The portable sampler according to claim 1, characterized in that: It also includes a positioning component, which includes a fixed frame and a positioning disk. The fixed frame has a limiting post on its lower side, and the positioning disk has a limiting hole. The fixed frame is detachably mounted on the positioning disk through the insertion and engagement of the limiting post and the limiting hole. An internally threaded sleeve is fixedly installed on the fixed frame. The push rod has a thread and is screwed into the internally threaded sleeve. The positioning disk has a through hole in the middle, and the push rod is movably disposed in the through hole at intervals.

3. A portable sampler according to claim 2, characterized in that: The positioning disc has several mounting grooves arranged circumferentially below it. A positioning block is rotatably mounted in the mounting groove via a rotating shaft. The positioning block is inclined downward toward the through hole.

4. A portable sampler according to claim 1, characterized in that: The connecting part includes a connecting sleeve, a connecting block at the lower end of the push rod, and a connecting groove at the upper end of the sampling rod. The connecting block and the connecting groove are inserted into each other. The push rod and the sampling rod are both provided with external threads at the end near the connecting part. The connecting sleeve has internal threads. The connecting sleeve, the push rod, and the sampling rod are screwed together by threads.

5. A portable sampler according to claim 4, characterized in that: Several extension rods are provided between the push rod and the sampling rod. The end of the extension rod near the push rod has a connecting groove, and the end of the extension rod connected to the sampling rod has a connecting block. Both ends of the extension rod are provided with external threads. The connection points between the extension rod and the push rod, and between the extension rod and the sampling rod, are all connected by threaded connecting sleeves.

6. A portable sampler according to claim 3, characterized in that: The positioning blocks are evenly arranged in three parts around the circumference.

7. A portable sampler according to claim 4, characterized in that: The connecting block is square in shape, and the connecting groove is square in shape corresponding to the connecting block.

8. A portable sampler according to claim 3, characterized in that: The mounting groove has a downward inclined surface on the side near the through hole. After the positioning block is rotated, it fits against the inclined surface, causing the positioning block to tilt downward toward the through hole.

9. A portable sampler according to claim 1, characterized in that: The lower end of the sampling tube has a screw-in blade, which is arranged axially and has an inclined cutting surface, and is evenly distributed at the lower end of the sampling tube.

10. A portable sampler according to claim 1, characterized in that: The push rod has a handle at its upper end.

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