Soft soil sampling barrel

Abstract

The utility model relates to the technical field of soil sampling equipment, and provides a soft soil sampling barrel. The soft soil sampling barrel comprises a sampling barrel body, a sampling cavity is formed in the sampling barrel body, a sampling opening communicated with the sampling cavity is formed in the first end of the sampling barrel body, and a connecting hole is formed in the second end of the sampling barrel body; the sampling piece is detachably connected to the inner wall surface of the sampling cavity, a sampling chamber and an opening communicated with the sampling chamber are formed in the sampling piece, and the opening faces the sampling opening; the piston assembly is arranged in the connecting hole in a penetrating mode, the first end of the piston assembly is located in the sampling cavity and connected with the inner wall face of the sampling cavity in a sliding and sealing mode, the first end of the piston assembly can move between the sampling piece and the second end of the sampling barrel body, and the second end of the piston assembly protrudes out of the sampling barrel body. According to the soft soil sampling barrel provided by the embodiment of the invention, the situation that soil falls off and slides out is effectively avoided, and the success rate of soil sampling is improved.

Description

Technical Field

[0001] The present application relates to the technical field of soil sampling equipment, and in particular to a soft soil sampling cylinder. Background Art

[0002] In the related art, most of the soil sampling is carried out directly by using a round tube, which is directly inserted into the sampling surface and then taken out. When taking out the round tube, the soil is likely to fall out of the round tube, affecting the soil sampling, especially at the sampling site with soft soil, where the possibility of sampling failure is high. Utility Model Content

[0003] The present application aims to solve at least one of the technical problems existing in the related art. To this end, the present application proposes a soft soil sampling tube, which effectively prevents the soil from falling and sliding out, and improves the success rate of soil sampling.

[0004] The soft soil sampling tube according to the embodiment of the present application includes:

[0005] A sampling barrel body, wherein the sampling barrel body is formed with a sampling cavity, a sampling port communicating with the sampling cavity is formed at a first end of the sampling barrel body, and a connecting hole is formed at a second end of the sampling barrel body;

[0006] A sampling piece, detachably connected to the inner wall surface of the sampling cavity, the sampling piece is formed with a sampling chamber and an opening communicating with the sampling chamber, the opening facing the sampling port;

[0007] A piston assembly, wherein the piston assembly is inserted into the connecting hole, the first end of the piston assembly is located in the sampling cavity and is slidably and sealingly connected to the inner wall surface of the sampling cavity, the first end of the piston assembly can move between the sampling piece and the second end of the sampling barrel body, and the second end of the piston assembly protrudes from the sampling barrel body.

[0008] According to the soft soil sampling tube of the embodiment of the present application, the first end of the sampling tube body is inserted into the soil to be sampled, and the soil will enter the sampling cavity and the sampling chamber. At this time, the first end of the piston assembly is controlled to move in the direction away from the sampling port. As the piston assembly moves, the pressure difference between the sampling chamber and the outside gradually increases, further promoting the movement of the soil into the sampling chamber, making the soil in the sampling chamber more compact, and the pressure difference can prevent the soil entering the sampling chamber from falling easily. After the sampling tube body moves to the specified position, the first end of the piston assembly is controlled to move in the direction close to the sampling port, so that the piston assembly pushes the sampling piece out of the sampling cavity, and the soil sampling is completed. That is, when the sampling tube body is taken out of the soil, the present application can effectively prevent the soil from falling and sliding out, thereby improving the success rate of soil sampling.

[0009] According to one embodiment of the present application, the piston assembly includes a pull-out rod and a piston, the first end of the pull-out rod is inserted into the connecting hole, the pull-out rod can move relative to the connecting hole, the second end of the pull-out rod protrudes from the second end of the sampling tube body, the piston is connected to the first end of the pull-out rod, and the piston is slidingly and sealingly connected to the inner wall surface of the sampling chamber.

[0010] According to one embodiment of the present application, a silent part is arranged between the piston and the inner wall surface of the sampling chamber, the first end of the silent part is sealingly connected to the piston, and the second end of the silent part is sealingly and slidingly connected to the inner wall surface of the sampling chamber.

[0011] According to an embodiment of the present application, the outer wall surface of the pull-out rod is slidably connected to the inner wall surface of the connecting hole.

[0012] According to an embodiment of the present application, the second end of the pull rod is connected to a handle.

[0013] According to an embodiment of the present application, the handle is a spherical handle, five gripping pieces are formed on the handle, and the gripping pieces are formed with finger holes.

[0014] According to an embodiment of the present application, the sampling piece is detachably connected to the inner wall surface of the sampling cavity by means of magnetism or snap-fit.

[0015] According to an embodiment of the present application, a vent hole communicating with the sampling cavity is formed on the side wall surface of the sampling cylinder body.

[0016] According to one embodiment of the present application, based on the first end of the piston assembly abutting against the top wall surface of the sampling chamber, the exhaust hole and the piston assembly are arranged side by side.

[0017] According to one embodiment of the present application, the soft soil sampling barrel includes a sealing plug, which is connected to the outer wall surface of the sampling barrel body through a connecting rope, and the sealing plug can move relative to the sampling barrel body, and the sealing plug is suitable for sealing the exhaust hole.

[0018] Additional aspects and advantages of the present application will be given in part in the description below, and in part will become apparent from the description below, or will be learned through the practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the related technologies, the drawings required for use in the embodiments or the related technical descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 It is a schematic diagram of the structure of the soft soil sampling tube provided in the embodiment of the present application.

[0021] Reference numerals:

[0022] 1. Sampling tube body; 2. Sampling part; 3. Piston assembly; 4. Silent part; 5. Sealing plug;

[0023] 6. Connecting rope; 11. Sampling cavity; 12. Sampling port; 13. Exhaust hole; 21. Opening;

[0024] 31. Pull-out rod; 32. Piston; 33. Handle; 34. Finger hole. DETAILED DESCRIPTION

[0025] The following is a further detailed description of the implementation of the present application in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present application but cannot be used to limit the scope of the present application.

[0026] In the description of the embodiments of the present application, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, which are only for the convenience of describing the embodiments of the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the embodiments of the present application. In addition, the terms "first", "second", and "third" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0027] In the description of the embodiments of the present application, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present application can be understood according to specific circumstances.

[0028] In the embodiments of the present application, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0029] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the embodiments of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0030] Combine the following Figure 1 The soft soil sampling cartridge of the present application is described.

[0031] According to the embodiments of the present application, Figure 1 As shown, the soft soil sampling tube includes:

[0032] A sampling barrel body 1, wherein the sampling barrel body 1 is formed with a sampling cavity 11, a sampling port 12 communicating with the sampling cavity 11 is formed at a first end of the sampling barrel body 1, and a connecting hole is formed at a second end of the sampling barrel body 1;

[0033] The sampling member 2 is detachably connected to the inner wall surface of the sampling cavity 11, and the sampling member 2 is formed with a sampling chamber and an opening 21 communicating with the sampling chamber, and the opening 21 faces the sampling port 12;

[0034] The piston assembly 3 is passed through the connecting hole, the first end of the piston assembly 3 is located in the sampling cavity 11 and is slidingly and sealingly connected to the inner wall surface of the sampling cavity 11, the first end of the piston assembly 3 can move between the sampling piece 2 and the second end of the sampling tube body 1, and the second end of the piston assembly 3 protrudes from the sampling tube body 1.

[0035] According to the soft soil sampling tube of the embodiment of the present application, when in use, the first end of the sampling tube body 1 is inserted into the soil to be sampled, and the soil will enter the sampling cavity 11 and the sampling room. At this time, the first end of the piston assembly 3 is controlled to move in a direction away from the sampling port 12. As the piston assembly 3 moves, the pressure difference between the sampling room and the outside gradually increases, further promoting the movement of the soil into the sampling room, making the soil in the sampling room more compact, and the pressure difference can prevent the soil entering the sampling room from falling easily. After the sampling tube body 1 moves to the specified position, the first end of the piston assembly 3 is controlled to move in a direction close to the sampling port 12, so that the piston assembly 3 pushes the sampling member 2 out of the sampling cavity 11, and the soil sampling can be completed. That is, when the sampling tube body 1 is taken out of the soil, the present application can effectively prevent the soil from falling and sliding out, thereby improving the success rate of soil sampling.

[0036] It can be understood that the piston assembly 3 is movable relative to the connecting hole.

[0037] It is understandable that the opening 21 faces the sampling port 12 , and when the sampling tube body 1 is inserted into the soil and the soil enters the sampling cavity 11 through the sampling port 12 , the soil will also enter the sampling chamber through the opening 21 .

[0038] It can be understood that the first end of the piston assembly 3 is sealed and slidably connected to the inner wall of the sampling chamber 11, which ensures the sealing between the first end of the piston assembly 3 and the inner wall of the sampling chamber 11, so that the piston assembly 3 and the sampling tube body 1 form a syringe-like structure. When the piston assembly 3 moves away from the sampling port 12, the space between the piston assembly 3 and the sampling port 12 increases and the pressure decreases, so that the external soil will move into the sampling chamber 11 under the action of the pressure difference, reducing the softness of the soil in the sampling chamber 11 and the sampling room.

[0039] It is understandable that the movement of the piston assembly 3 can be controlled by applying an external force to the piston assembly 3 by grasping the second end of the piston assembly 3. The second end of the piston assembly 3 protrudes from the sampling tube body 1, which is convenient for the user to grasp.

[0040] In one embodiment of the present application, Figure 1 As shown, the piston assembly 3 includes a pull-out rod 31 and a piston 32. The first end of the pull-out rod 31 is inserted into the connecting hole. The pull-out rod 31 can move relative to the connecting hole. The second end of the pull-out rod 31 protrudes from the second end of the sampling tube body 1. The piston 32 is connected to the first end of the pull-out rod 31, and the piston 32 is slidably and sealedly connected to the inner wall surface of the sampling chamber 11.

[0041] It can be understood that by grasping the second end of the pull-out rod 31 and driving the pull-out rod 31 to move, the piston 32 will move with the movement of the pull-out rod 31, so that the piston 32 slides along the inner wall surface of the sampling chamber 11, and the piston 32 will maintain a sealed connection with the inner wall surface of the sampling chamber 11, and then the pressure difference between the sampling chamber and the outside can be changed by the movement of the piston 32.

[0042] In one embodiment of the present application, Figure 1 As shown, a mute member 4 is disposed between the piston 32 and the inner wall surface of the sampling chamber 11 , a first end of the mute member 4 is sealedly connected to the piston 32 , and a second end of the mute member 4 is sealedly and slidably connected to the inner wall surface of the sampling chamber 11 .

[0043] It can be understood that the piston 32 and the inner wall surface of the sampling chamber 11 are connected by the silent member 4, so that the noise generated when the piston 32 moves relative to the inner wall surface of the sampling chamber 11 is reduced.

[0044] In one embodiment of the present application, the outer wall surface of the pull rod 31 is slidably connected to the inner wall surface of the connecting hole.

[0045] It is understandable that the outer wall of the pull rod 31 abuts against the inner wall of the connecting hole, and the connecting hole can limit the pull rod 31 to prevent the pull rod 31 from shaking. The pull rod 31 is also slidably connected to the inner wall of the connecting hole, so that the pull rod 31 can move relative to the connecting hole, thereby ensuring that the piston 32 can move up and down relative to the inner wall of the sampling chamber 11.

[0046] In one embodiment of the present application, Figure 1 As shown, the second end of the pulling rod 31 is connected to a handle 33 .

[0047] It can be understood that, by providing the handle 33 , the user can drive the pull rod 31 to move by gripping the handle 33 , which is convenient for operation.

[0048] In one embodiment of the present application, Figure 1 As shown, the handle 33 is a spherical handle 33 , and five gripping pieces are formed at the handle 33 , and the gripping pieces are formed with finger holes 34 .

[0049] It is understandable that the user can put his fingers through the finger holes 34 to facilitate grasping the handle 33 .

[0050] In one embodiment of the present application, the sampling member 2 is detachably connected to the inner wall surface of the sampling cavity 11 by means of magnetism or snap-fit.

[0051] It can be understood that the sampling piece 2 and the inner wall surface of the sampling chamber 11 are detachably connected by magnetic attraction. When the sampling tube body 1 is inserted into the soil for sampling, the sampling piece 2 can be stably connected to the inner wall surface of the sampling chamber 11 due to the effect of magnetic force. Subsequently, the sampling piece 2 is pushed by the piston assembly 3, so that the sampling piece 2 can move relative to the inner wall surface of the sampling chamber 11, so that the sampling piece 2 can fall out of the sampling chamber 11 to complete the sampling.

[0052] Exemplarily, one of the sampling member 2 and the inner wall surface of the sampling cavity 11 is a metal member, and the other is a magnetic member.

[0053] It can be understood that the sampling piece 2 is connected to the inner wall of the sampling cavity 11 by means of a snap-fit. After the sampling tube body 1 is taken out of the soil and moved to a designated position, the user can first separate the snap-fit ​​between the sampling piece 2 and the sampling cavity 11 so that the piston 32 can smoothly push the sampling piece 2 out of the sampling cavity 11.

[0054] In one embodiment of the present application, Figure 1 As shown, a vent hole 13 communicating with the sampling cavity 11 is formed on the side wall surface of the sampling tube body 1 .

[0055] It can be understood that, by forming the exhaust hole 13 on the side wall of the sampling barrel body 1, when the piston assembly 3 moves in the direction away from the sampling port 12, the gas in the space between the piston 32 and the second end of the sampling barrel body 1 can be discharged from the exhaust hole 13. When the piston assembly 3 moves in the direction close to the sampling port 12, the external gas can enter the space between the piston 32 and the second end of the sampling barrel body 1 through the exhaust hole 13, thereby ensuring that the pressure in the space between the piston 32 and the sampling barrel body 1 remains stable, so that the piston 32 can move smoothly.

[0056] In one embodiment of the present application, based on the first end of the piston assembly 3 abutting against the top wall surface of the sampling chamber 11 , the exhaust hole 13 and the piston assembly 3 are arranged side by side.

[0057] It can be understood that when the first end of the piston assembly 3 abuts against the top wall of the sampling chamber 11, it means that the piston assembly 3 can no longer move away from the sampling port 12. At this time, the exhaust hole 13 and the piston 32 of the piston assembly 3 are arranged side by side, which means that before the piston 32 moves to the top of the sampling chamber 11, the space between the piston 32 and the top of the sampling chamber 11 is connected to the exhaust hole 13, ensuring that the piston 32 can move smoothly along the inner wall of the sampling chamber 11.

[0058] In one embodiment of the present application, Figure 1As shown, the soft soil sampling tube includes a sealing plug 5, which is connected to the outer wall surface of the sampling tube body 1 through a connecting rope 6. The sealing plug 5 can move relative to the sampling tube body, and the sealing plug 5 is suitable for sealing the exhaust hole 13.

[0059] It is understandable that when the soft soil sampling tube is not in use, the vent hole 13 can be blocked by the sealing plug 5 to prevent debris from falling into the sampling tube body 1.

[0060] Finally, it should be noted that the above implementation modes are only used to illustrate the present application, rather than to limit the present application. Although the present application is described in detail with reference to the embodiments, a person skilled in the art should understand that various combinations, modifications or equivalent substitutions of the technical solutions of the present application do not depart from the spirit and scope of the technical solutions of the present application, and should be included in the scope of the claims of the present application.

Claims

1. A soft soil sampling tube, characterized in that: include: A sampling barrel body, wherein the sampling barrel body is formed with a sampling cavity, a sampling port communicating with the sampling cavity is formed at a first end of the sampling barrel body, and a connecting hole is formed at a second end of the sampling barrel body; A sampling piece, detachably connected to the inner wall surface of the sampling cavity, the sampling piece is formed with a sampling chamber and an opening communicating with the sampling chamber, the opening facing the sampling port; A piston assembly, wherein the piston assembly is inserted into the connecting hole, the first end of the piston assembly is located in the sampling cavity and is slidably and sealingly connected to the inner wall surface of the sampling cavity, the first end of the piston assembly can move between the sampling piece and the second end of the sampling barrel body, and the second end of the piston assembly protrudes from the sampling barrel body.

2. The soft soil sampling tube according to claim 1, characterized in that: The piston assembly includes a pull-out rod and a piston. The first end of the pull-out rod is inserted into the connecting hole. The pull-out rod can move relative to the connecting hole. The second end of the pull-out rod protrudes from the second end of the sampling tube body. The piston is connected to the first end of the pull-out rod. The piston is slidably and sealingly connected to the inner wall surface of the sampling cavity.

3. The soft soil sampling tube according to claim 2, characterized in that: A mute piece is arranged between the piston and the inner wall surface of the sampling cavity, the first end of the mute piece is sealingly connected to the piston, and the second end of the mute piece is sealingly and slidingly connected to the inner wall surface of the sampling cavity.

4. The soft soil sampling tube according to claim 2, characterized in that: The outer wall surface of the pull rod is slidably connected to the inner wall surface of the connecting hole.

5. The soft soil sampling tube according to claim 2, characterized in that: The second end of the pulling rod is connected with a handle.

6. The soft soil sampling tube according to claim 5, characterized in that: The handle is a spherical handle, five gripping pieces are formed on the handle, and finger holes are formed on the gripping pieces.

7. The soft soil sampling tube according to any one of claims 1 to 6, characterized in that: The sampling piece is detachably connected to the inner wall surface of the sampling cavity by means of magnetic attraction or snap fastening.

8. The soft soil sampling tube according to any one of claims 1 to 6, characterized in that: The side wall surface of the sampling tube body is formed with an exhaust hole communicated with the sampling cavity.

9. The soft soil sampling tube according to claim 8, characterized in that: Based on the first end of the piston assembly abutting against the top wall surface of the sampling chamber, the exhaust hole and the piston assembly are arranged side by side.

10. The soft soil sampling tube according to claim 8, characterized in that: The soft soil sampling barrel comprises a sealing plug, which is connected to the outer wall surface of the sampling barrel body through a connecting rope, and the sealing plug can move relative to the sampling barrel body, and is suitable for sealing the exhaust hole.

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