Portable soil sampler

Abstract

The utility model provides a portable soil sampler which comprises an outer frame, foot rest levers are sequentially fixed on the inner side of the outer frame from top to bottom, a rotating piece is rotatably connected to the center of the bottom of the outer frame, a connecting piece is fixed to the middle of the rotating piece, and the connecting piece is connected with the foot rest levers. The connecting piece is fixedly connected with the outer frame through a limiting mechanism, and a sampling pipe is in threaded connection with the middle part of one side, far away from the rotating piece, of the connecting piece. Compared with the prior art, the utility model has the following beneficial effects: through the design of the limiting mechanism, the limiting rod is inserted into the threaded hole, the insertion hole I and the insertion hole II, and is fixedly connected with the threaded hole through the external thread I, and at the moment, the limiting rod fixes the external frame, the fixed plate and the side plate together; furthermore, when the rotating piece, the connecting piece and the sampling pipe rotate to the inner side or the outer side of the outer frame, the rotating piece, the connecting piece and the sampling pipe can be fixed with the outer frame together, so that the stability of the structure is improved.

Description

Technical Field

[0001] The utility model relates to a portable soil sampler, belonging to the field of soil sampling equipment. Background Art

[0002] With the development of society, especially the progress of science, the development of social productivity has been greatly promoted. With the needs of social development and the continuous deepening of scientific research, there is a need for more accurate understanding and in-depth research on the wider and deeper land and its soil characteristics.

[0003] Soil analysis is the qualitative and quantitative determination of soil composition and / or physical and chemical properties. It is fundamental to research into soil formation and development, fertility evolution, soil resource evaluation, soil improvement, and rational fertilization. It is also a key tool in environmental science for evaluating environmental quality.

[0004] The existing soil sampling structure is relatively large, which is not convenient for sampling personnel to carry. When sampling in some sampling areas with complex terrain, the sampling equipment is not convenient to use. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model aims to provide a portable soil sampler.

[0006] In order to achieve the above purpose, the present invention is implemented through the following technical solutions:

[0007] A portable soil sampler comprises an external frame, wherein pedal rods are fixed to the inner side of the external frame in sequence from top to bottom, a rotating member is rotatably connected to the bottom center of the external frame, a connecting member is fixed to the middle of the rotating member, the connecting member and the external frame are connected and fixed by a limiting mechanism, a sampling tube is threadedly connected to the middle of the connecting member away from the rotating member, and a shielding cloth is provided on the inner top of the external frame to match the end of the sampling tube.

[0008] Furthermore, the limiting mechanism includes a fixing plate fixed on the inner side of the external frame and a side plate fixed on the outer surface of the connecting member, the fixing plate is provided with a threaded hole, the side plate is provided with a plug-in hole 1, the side plate is provided with a threaded hole, and the external frame is provided with a plug-in hole 2 that matches the plug-in hole 1.

[0009] Furthermore, the limiting mechanism also includes a limiting rod, and an external thread 1 is provided on one side of the outer surface of the limiting rod. The limiting rod passes through the threaded hole, the second plug-in hole and the first plug-in hole, and the external thread 1 is threadedly connected in the threaded hole.

[0010] Furthermore, the sampling tube includes half tube body one and half tube body two, and the half tube body one and the half tube body two are spliced ​​together. The half tube body one and the half tube body two are provided with connecting ear plates on the opposite sides, and the connecting ear plates on both sides are connected and fixed by connecting bolts.

[0011] Furthermore, one end of the half-tube body 1 and the half-tube body 2 are respectively provided with a half-thread 1 and a half-thread 2, and the half-thread 1 and the half-thread 2 are spliced ​​into an external thread 2.

[0012] Furthermore, a thread groove is provided in the middle of a side of the connecting member away from the rotating member, and the thread groove and the external thread are threadedly connected together to connect the sampling tube and the connecting member together.

[0013] Furthermore, the shielding cloth is composed of an elastic belt and a sponge belt, the elastic belt and the sponge belt are glued and fixed, and the sponge belt is located on a side close to the rotating part.

[0014] Furthermore, the sampling tube is provided with a beveled annular cutout on the opening on one side away from the connecting piece.

[0015] Beneficial effects of the utility model:

[0016] Through the design of the limiting mechanism, the limiting rod is inserted into the threaded hole, the first plug-in hole and the second plug-in hole, and is connected and fixed to the threaded hole through the external thread one. At this time, the limiting rod fixes the external frame, the fixed plate and the side plate together, and then when the rotating part, the connecting part and the sampling tube are rotated to the inside or outside of the external frame, the rotating part, the connecting part and the sampling tube can be fixed to the external frame together, thereby improving the stability of the structure.

[0017] Through the design of the sampling tube, after sampling is completed, the sampling tube is pulled out and unscrewed from the connecting piece by rotating the sampling tube. Then, half-tube body one and half-tube body two are separated by connecting bolts, thereby avoiding damaging soil layers at different depths, maintaining the integrity of soil layers at different depths, and preventing soil layers from collapsing and mixing together, which affects the sampling results.

[0018] Through the design of the shielding cloth, when the rotating part, the connecting part and the sampling tube are rotated and stored inside the external frame, the end of the sampling tube is sealed on the shielding cloth, and the shielding cloth shields and protects the end of the sampling tube.

[0019] The design of the beveled ring cut helps the sampling tube to be quickly inserted into the soil when it is inserted into the soil layer, thereby reducing the resistance to cutting into the soil layer. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] 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. 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.

[0021] Figure 1 This is a schematic diagram of the structure of a portable soil sampler in a storage state according to the utility model;

[0022] Figure 2 This is a schematic diagram of the structure of a portable soil sampler in use state according to the utility model;

[0023] Figure 3 This is a schematic diagram of the connection structure between the connector and the sampling tube of a portable soil sampler of the present invention;

[0024] Figure 4 This is a schematic diagram of the connector structure of a portable soil sampler of the utility model;

[0025] Figure 5 This is a schematic diagram of the sampling tube structure of a portable soil sampler of the utility model;

[0026] Figure 6 The utility model is a schematic diagram of a limit rod structure of a portable soil sampler.

[0027] In the figure, 1. external frame; 2. foot pedal; 3. fixed plate; 4. rotating part; 5. connecting part; 6. side plate; 7. limit rod; 8. external thread 1; 9. plug-in hole 1; 10. threaded hole; 11. threaded groove; 12. sampling tube; 13. half-tube body 1; 14. half-tube body 2; 15. connecting ear; 16. connecting bolt; 17. external thread 2; 18. half-thread 1; 19. half-thread 2; 20. shielding cloth; 21. plug-in hole 2. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0029] See also Figures 1-6The utility model provides a technical solution of a portable soil sampler, comprising an external frame 1, wherein pedal rods 2 are fixed to the inner side of the external frame 1 in sequence from top to bottom, a rotating member 4 is rotatably connected to the bottom center of the external frame 1, a connecting member 5 is fixed to the middle of the rotating member 4, the connecting member 5 and the external frame 1 are connected and fixed by a limiting mechanism, a sampling tube 12 is threadedly connected to the middle of the side of the connecting member 5 away from the rotating member 4, and a shielding cloth 20 is provided on the top inner side of the external frame 1 to match the end of the sampling tube 12.

[0030] See Figures 1-4 The limiting mechanism includes a fixing plate 3 fixed to the inner side of the external frame 1 and a side plate 6 fixed to the outer surface of the connecting member 5, the fixing plate 3 is provided with a threaded hole 10, the side plate 6 is provided with a plug hole 9, the side plate 6 is provided with a threaded hole 10, and the external frame 1 is provided with a plug hole 21 that matches the plug hole 9. The limiting mechanism also includes a limiting rod 7, one side of the outer surface of the limiting rod 7 is provided with an external thread 8, and the limiting rod 7 passes through the threaded hole 10, the plug hole 21 and the plug hole 9. , the external thread 8 is threadedly connected to the threaded hole 10; through the design of the limiting mechanism, the limiting rod 7 is inserted into the threaded hole 10, the plug hole 1 9 and the plug hole 2 21, and is connected and fixed to the threaded hole 10 through the external thread 8. At this time, the limiting rod 7 fixes the external frame 1, the fixed plate 3 and the side plate 6 together, and then when the rotating part 4, the connecting part 5 and the sampling tube 12 are rotated to the inside or outside of the external frame 1, the rotating part 4, the connecting part 5 and the sampling tube 12 can be fixed to the external frame 1 together, thereby improving the stability of the structure.

[0031] See Figure 3-Figure 5The sampling tube 12 includes a half-tube body 13 and a half-tube body 2 14, and the half-tube body 13 and the half-tube body 2 14 are spliced ​​together. The half-tube body 13 and the half-tube body 2 14 are provided with connecting ear plates 15 on opposite sides. The connecting ear plates 15 on both sides are connected and fixed by connecting bolts 16. One end of the half-tube body 13 and the half-tube body 2 14 are respectively provided with a half thread 18 and a half thread 2 19. The half thread 18 and the half thread 2 19 are spliced ​​into an external thread 2 17. The connecting member 5 is away from the rotating A thread groove 11 is provided in the middle of one side of the component 4, and the thread groove 11 is threadedly connected to the second external thread 17 to connect the sampling tube 12 to the connecting component 5; through the design of the sampling tube 12, after the sampling is completed, the sampling tube 12 is pulled out, and the sampling tube 12 is rotated to unscrew the sampling tube 12 from the connecting component 5, and then the half-tube body 13 and the half-tube body 2 14 are separated by the connecting bolt 16, thereby avoiding damage to the soil layers at different depths, maintaining the integrity of the soil layers at different depths, and preventing the soil layers from collapsing and mixing together, which affects the sampling results.

[0032] See Figure 1-Figure 2 The shielding cloth 20 is composed of an elastic belt and a sponge belt, which are glued and fixed to each other, and the sponge belt is located on the side close to the rotating part 4; through the design of the shielding cloth 20, when the rotating part 4, the connecting part 5 and the sampling tube 12 are rotated and stored to the inner side of the external frame 1, the end of the sampling tube 12 is sealed on the shielding cloth 20, and the shielding cloth 20 shields and protects the end of the sampling tube 12.

[0033] See Figure 1-Figure 3 The sampling tube 12 is provided with a beveled annular cut at the opening on one side away from the connecting piece 5; the design of the beveled annular cut helps the sampling tube 12 to be quickly inserted into the soil when the sampling tube 12 is inserted into the soil layer, thereby reducing the resistance to cutting into the soil layer.

[0034] When carrying, if Figure 1 As shown, the rotating member 4, the connecting member 5 and the sampling tube 12 are rotated to the inner side of the external frame 1, so that the threaded hole 10 on the side plate 6, the plug hole 19 on the fixed plate 3 and the plug hole 21 on the external frame 1 are located on the same axis. Then, the limiting rod 7 is inserted into the threaded hole 10, the plug hole 19 and the plug hole 21, and is connected and fixed to the threaded hole 10 through the external thread 18. At this time, the limiting rod 7 fixes the external frame 1, the fixed plate 3 and the side plate 6 together, so that the rotating member 4, the connecting member 5 and the sampling tube 12 are stored in the inner side of the external frame 1, which reduces the space occupied and is convenient to carry. At the same time, the end of the sampling tube 12 is sealed on the shielding cloth 20, and the shielding cloth 20 shields and protects the end of the sampling tube 12.

[0035] When in use, unscrew the limiting rod 7 from the threaded hole 10, then flip the rotating member 4, the connecting member 5 and the sampling tube 12 so that the rotating member 4, the connecting member 5 and the sampling tube 12 are rotated to the outside of the external frame 1 and are in the same plane with the external frame 1, then insert the limiting rod 7 into the threaded hole 10, the second plug hole 21 and the first plug hole 9 in sequence, and fix the external frame 1, the fixed plate 3 and the side plate 6 together through the external thread 1 8 and the threaded hole 10 to form a whole, then, The sampling tube 12 is inserted into the soil layer, and then the pedal rod 2 is stepped on to insert the sampling tube 12 into the soil layer. The soil sample will enter the sampling tube 12. After the sampling is completed, the sampling tube 12 is pulled out and the sampling tube 12 is rotated to unscrew the sampling tube 12 from the connector 5. Then, the half-tube body 13 and the half-tube body 2 14 are separated by the connecting bolt 16, thereby avoiding damaging the soil layers at different depths, maintaining the integrity of the soil layers at different depths, and avoiding the soil layers from collapsing and mixing together, which affects the sampling results.

[0036] Although this specification is described according to implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A portable soil sampler, characterized in that: The invention comprises an external frame (1), wherein pedal rods (2) are fixed on the inner side of the external frame (1) in sequence from top to bottom, a rotating member (4) is rotatably connected at the bottom center of the external frame (1), a connecting member (5) is fixed in the middle of the rotating member (4), the connecting member (5) and the external frame (1) are connected and fixed by a limiting mechanism, a sampling tube (12) is threadedly connected to the middle of the side of the connecting member (5) away from the rotating member (4), and a shielding cloth (20) is provided on the inner top of the external frame (1) to match the end of the sampling tube (12).

2. A portable soil sampler according to claim 1, characterized in that: The limiting mechanism comprises a fixing plate (3) fixed to the inner side of the external frame (1) and a side plate (6) fixed to the outer surface of the connecting member (5), wherein the fixing plate (3) is provided with a threaded hole (10), the side plate (6) is provided with a first plug-in hole (9), the side plate (6) is provided with a threaded hole (10), and the external frame (1) is provided with a second plug-in hole (21) matching the first plug-in hole (9).

3. A portable soil sampler according to claim 2, characterized in that: The limiting mechanism further comprises a limiting rod (7), an outer surface of which is provided with an external thread (8), the limiting rod (7) passes through the threaded hole (10), the second plug-in hole (21) and the first plug-in hole (9), and the external thread (8) is threadedly connected to the threaded hole (10).

4. A portable soil sampler according to claim 3, characterized in that: The sampling tube (12) comprises a half-tube body 1 (13) and a half-tube body 2 (14), wherein the half-tube body 1 (13) and the half-tube body 2 (14) are spliced ​​together, and connecting ear plates (15) are provided on opposite sides of the half-tube body 1 (13) and the half-tube body 2 (14), and the connecting ear plates (15) on both sides are connected and fixed by connecting bolts (16).

5. A portable soil sampler according to claim 4, characterized in that: One end of the half-tube body 1 (13) and the half-tube body 2 (14) are respectively provided with a half-thread 1 (18) and a half-thread 2 (19), and the half-thread 1 (18) and the half-thread 2 (19) are spliced ​​into an external thread 2 (17).

6. The portable soil sampler according to claim 5, characterized in that: A thread groove (11) is provided in the middle of the side of the connecting member (5) away from the rotating member (4), and the thread groove (11) is threadedly connected with the second external thread (17) to connect the sampling tube (12) and the connecting member (5) together.

7. A portable soil sampler according to claim 6, characterized in that: The shielding cloth (20) is composed of an elastic belt and a sponge belt, the elastic belt and the sponge belt are glued and fixed, and the sponge belt is located on a side close to the rotating member (4).

8. The portable soil sampler according to claim 7, characterized in that: The sampling tube (12) is provided with an inclined annular cutout on the opening on one side away from the connecting piece (5).

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