Sampling tube structure

Abstract

The utility model relates to the technical field of environmental protection engineering, in particular to a sampling tube structure. Comprising a sampling pipe, a drill bit and a sampling module, the drill bit is arranged at the bottom end of the sampling pipe, the sampling module comprises a pulling rod, a plurality of door plates, a supporting rod, a plurality of connecting rods and a sampling spoon, the sampling pipe is provided with a plurality of sampling openings, the pulling rod is slidably connected with the sampling pipe and located in the sampling pipe, and each door plate is fixedly connected with the pulling rod; the sampling tube is provided with a plurality of sampling ports, the sampling ports are respectively located at the corresponding sampling ports, the supporting rod is arranged in the sampling tube, each connecting rod is fixedly connected with the supporting rod and is respectively located at the corresponding sampling port, and each connecting rod is provided with a sampling spoon.

Description

Technical Field

[0001] The utility model relates to the technical field of environmental protection engineering, in particular to a sampling tube structure. Background Art

[0002] Currently, in environmental testing, soil sampling is required. In soil sampling, sampling needs to be carried out deep into the soil. In the prior art, a patent application with application announcement number CN111198110A discloses a soil sampling device for environmental engineering testing. The device uses a drill bit and a sampling tube. After the drill bit is used to penetrate into the soil, the sampling tube is used to take samples.

[0003] However, in the above structure, when sampling in sections, after sampling at one depth, the sampling tube is pulled out and then the soil is sampled at the next depth. Sampling needs to be done section by section, and the sampling efficiency is low. Utility Model Content

[0004] The purpose of the utility model is to provide a sampling tube structure, which solves the problem of low sampling efficiency due to the need to sample section by section during segmented sampling.

[0005] To achieve the above-mentioned purpose, the utility model adopts a sampling tube structure, including a sampling tube, a drill bit and a sampling module. The drill bit is provided at the bottom end of the sampling tube, and the sampling module includes a pulling rod, multiple door panels, a support rod, multiple connecting rods and a sampling spoon. The sampling tube has multiple sampling ports. The pulling rod is slidably connected to the sampling tube and is located inside the sampling tube. Each of the door panels is fixedly connected to the pulling rod and is respectively located at the corresponding sampling port. The support rod is provided inside the sampling tube. Each of the connecting rods is fixedly connected to the support rod and is respectively located at the corresponding sampling port. A sampling spoon is respectively provided on each connecting rod.

[0006] The sampling module further includes a fixing ring and a buckle block. The fixing ring is detachably connected to the sampling tube and is located above the sampling tube. The buckle block is fixedly connected to the fixing ring and adheres to the outer wall of the sampling tube.

[0007] In which, the sampling module also includes a limit rail and a limit block, the limit rail is fixedly connected to the fixed ring and is located on the inner wall of the fixed ring, the limit block is fixedly connected to the support rod and is located on the outer wall of the support rod, and the limit block is slidably arranged inside the limit rail.

[0008] Wherein, the sampling module also includes a fixed tube and a fixed frame, the fixed tube is slidably connected to the sampling tube and is sleeved on the outer wall of the sampling tube, and the fixed frame is fixedly connected to the fixed tube and is located on the outer wall of the fixed tube.

[0009] Wherein, the sampling module further includes a puncture portion, which is fixedly connected to the fixing frame and is located at the bottom of the fixing frame.

[0010] The utility model provides a sampling tube structure, which uses the drill bit to drill into the soil, and controls the distance that the sampling tube penetrates into the soil according to the sampling section; during the sampling process, the pulling rod is pulled to make the door panel slide upward to expose the sampling port, and the connecting rod is slid horizontally toward the sampling port to allow the sampling spoon to load the soil corresponding to the sampling port, and then the connecting rod and the pulling rod are returned to their original positions in turn, and the sampling tube is extracted, thereby achieving the effect of segmented sampling and improving sampling efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0012] Figure 1 It is a structural schematic diagram of the sampling tube structure of the present utility model.

[0013] Figure 2 It is a structural side view of the sampling tube structure of the present invention.

[0014] Figure 3 This utility model Figure 2 AA line structural cross-sectional view.

[0015] Figure 4 It is a top view of the sampling tube structure of the present invention.

[0016] 101- sampling tube, 102- sampling port, 103- drill bit, 104- pulling rod, 105- door panel, 106- supporting rod, 107- connecting rod, 108- sampling spoon, 109- fixing ring, 110- buckling block, 111- limiting rail, 112- limiting block, 113- fixing cylinder, 114- fixing frame, 115- puncture part. DETAILED DESCRIPTION

[0017] The following describes in detail embodiments of the present invention, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to explain the present invention, and should not be construed as limiting the present invention.

[0018] See also Figures 1 to 4 ,in Figure 1 It is a structural diagram of the sampling tube structure. Figure 2 This is the structural side view of the sampling tube structure. Figure 3 yes Figure 2 AA line structural cross-sectional view, Figure 4 It is a top view of the sampling tube structure.

[0019] The utility model provides a sampling tube structure: including a sampling tube 101, a drill bit 103 and a sampling module, the drill bit 103 is provided at the bottom end of the sampling tube 101, the sampling module includes a pulling rod 104, multiple door panels 105, a support rod 106, multiple connecting rods 107 and a sampling spoon 108, the sampling tube 101 has multiple sampling ports 102, the pulling rod 104 is slidably connected to the sampling tube 101 and is located inside the sampling tube 101, each of the door panels 105 is fixedly connected to the pulling rod 104 and is respectively located at the corresponding sampling port 102, the support rod 106 is provided inside the sampling tube 101, each of the connecting rods 107 is fixedly connected to the support rod 106 and is respectively located at the corresponding sampling port 102, and each of the connecting rods 107 is respectively provided with the sampling spoon 108.

[0020] In this embodiment, the drill bit 103 is used to drill into the soil, and the distance that the sampling tube 101 penetrates into the soil is controlled according to the sampling section; during the sampling process, the pulling rod 104 is pulled to make the door panel 105 slide upward to expose the sampling port 102, and the connecting rod 107 is slid horizontally toward the sampling port 102 to allow the sampling spoon 108 to load the soil corresponding to the sampling port 102, and then the connecting rod 107 and the pulling rod 104 are returned to their original positions in turn, and the sampling tube 101 is extracted, so as to obtain the effect of segmented sampling and improved sampling efficiency.

[0021] Furthermore, the sampling module also includes a fixing ring 109 and a snap-fit ​​block 110. The fixing ring 109 is detachably connected to the sampling tube 101 and is located above the sampling tube 101. The snap-fit ​​block 110 is fixedly connected to the fixing ring 109 and adheres to the outer wall of the sampling tube 101.

[0022] In this embodiment, a disassembly structure is adopted between the fixing ring 109 and the sampling tube 101 . Under the action of the snap-fit ​​block 110 , the fixing ring 109 can remain relatively fixed with the sampling tube 101 .

[0023] Furthermore, the sampling module also includes a limiting rail 111 and a limiting block 112. The limiting rail 111 is fixedly connected to the fixing ring 109 and is located on the inner wall of the fixing ring 109. The limiting block 112 is fixedly connected to the support rod 106 and is located on the outer wall of the support rod 106. The limiting block 112 is slidably arranged inside the limiting rail 111.

[0024] In this embodiment, a disassembly structure is adopted between the fixing ring 109 and the sampling tube 101. Under the action of the buckle block 110, the fixing ring 109 can be kept relatively fixed with the sampling tube 101. The limiting rail 111 is set on the inner side wall of the fixing ring 109. During the sampling process, the pulling rod 104 is pulled to make the door panel 105 slide upward to expose the sampling port 102, and the connecting rod 107 is slid horizontally toward the sampling port 102 to allow the sampling tube 101 to be opened. The spoon 108 is loaded with the soil corresponding to the sampling port 102, and then the connecting rod 107 and the pulling rod 104 are returned to their original positions in turn, and the sampling tube 101 is extracted; when the connecting rod 107 is slid horizontally toward the sampling port 102 and the sampling spoon 108 is loaded with the soil corresponding to the sampling port 102, the limit block 112 slides in the limit rail 111, and the limit block 112 cooperates with the limit rail 111 to improve the stability of the connecting rod 107 during movement.

[0025] Furthermore, the sampling module also includes a fixed cylinder 113 and a fixed frame 114. The fixed cylinder 113 is slidably connected to the sampling tube 101 and is sleeved on the outer wall of the sampling tube 101. The fixed frame 114 is fixedly connected to the fixed cylinder 113 and is located on the outer wall of the fixed cylinder 113.

[0026] In this embodiment, the fixing tube 113 is sleeved on the outer wall of the sampling tube 101, and the sampling tube 101 can slide in the fixing tube 113, and the fixing frame 114 is used to fix the fixing tube 113; when sampling, the fixing frame 114 is limited above the soil, the sampling tube 101 is slid, and the drill bit 103 is used to drill into the soil, and the distance that the sampling tube 101 penetrates into the soil is controlled according to the sampling section; during the sampling process, the pulling rod 104 is pulled to make the door panel 105 slide upward to expose the sampling port 102, and the connecting rod 107 is slid horizontally toward the sampling port 102, so that the sampling spoon 108 is loaded with soil corresponding to the sampling port 102, and then the connecting rod 107 and the pulling rod 104 are returned to their original positions in turn, and the sampling tube 101 is extracted, so as to obtain the effect of segmented sampling and improved sampling efficiency.

[0027] Furthermore, the sampling module further includes a puncture portion 115 , which is fixedly connected to the fixing frame 114 and is located at the bottom of the fixing frame 114 .

[0028] In this embodiment, when sampling, the puncture portion 115 is used to penetrate a part of the soil so that the fixing frame 114 is limited above the soil. At this time, the sampling tube 101 can be slid, and the drill bit 103 is used to drill into the soil. The distance that the sampling tube 101 penetrates into the soil is controlled according to the sampling section; during the sampling process, the pulling rod 104 is pulled to make the door panel 105 slide upward to expose the sampling port 102, and the connecting rod 107 is slid horizontally toward the sampling port 102, so that the sampling spoon 108 is loaded with the soil corresponding to the sampling port 102, and then the connecting rod 107 and the pulling rod 104 are returned to their original positions in turn, and the sampling tube 101 is extracted, so as to obtain the effect of segmented sampling and improved sampling efficiency.

[0029] In the present application, the fixed tube 113 is sleeved on the outer wall of the sampling tube 101, and the sampling tube 101 can slide in the fixed tube 113, and the fixed frame 114 is used to fix the fixed tube 113; when sampling, the fixed frame 114 is limited above the soil, the sampling tube 101 is slid, and the drill bit 103 is used to drill into the soil, and the distance that the sampling tube 101 penetrates into the soil is controlled according to the sampling section; the pulling rod 104 is pulled to make the door panel 105 slide upward to expose the sampling port 102, and the connecting rod 107 is slid horizontally in the direction of the sampling port 102, so that the sampling spoon 108 is loaded with the soil corresponding to the sampling port 102, and then the connecting rod 107 and the pulling rod 104 are returned to their original positions in turn, and the sampling tube 101 is extracted to obtain the effect of segmented sampling and improved sampling efficiency.

[0030] The above disclosure is only a preferred embodiment of the present invention, and certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made in accordance with the claims of the present invention are still within the scope of the utility model.

Claims

1. A sampling tube structure, comprising a sampling tube and a drill bit, wherein the drill bit is provided at the bottom end of the sampling tube, characterized in that: Also included is a sampling module; The sampling module includes a pulling rod, multiple door panels, a support rod, multiple connecting rods and a sampling spoon. The sampling tube has multiple sampling ports. The pulling rod is slidingly connected to the sampling tube and is located inside the sampling tube. Each of the door panels is fixedly connected to the pulling rod and is respectively located at the corresponding sampling port. The support rod is arranged inside the sampling tube. Each of the connecting rods is fixedly connected to the support rod and is respectively located at the corresponding sampling port. A sampling spoon is respectively provided on each connecting rod.

2. The sampling tube structure according to claim 1, characterized in that: The sampling module also includes a fixing ring and a buckle block. The fixing ring is detachably connected to the sampling tube and is located above the sampling tube. The buckle block is fixedly connected to the fixing ring and fits against the outer wall of the sampling tube.

3. The sampling tube structure according to claim 2, characterized in that: The sampling module also includes a limit rail and a limit block. The limit rail is fixedly connected to the fixing ring and is located on the inner wall of the fixing ring. The limit block is fixedly connected to the support rod and is located on the outer wall of the support rod. The limit block is slidably arranged inside the limit rail.

4. The sampling tube structure according to claim 1, wherein: The sampling module further includes a fixed cylinder and a fixed frame. The fixed cylinder is slidably connected to the sampling tube and sleeved on the outer wall of the sampling tube. The fixed frame is fixedly connected to the fixed cylinder and located on the outer wall of the fixed cylinder.

5. The sampling tube structure according to claim 4, characterized in that: The sampling module further includes a puncture portion, which is fixedly connected to the fixing frame and is located at the bottom of the fixing frame.

Images