CN213985772U - Columnar sampling device for muddy soil - Google Patents
Columnar sampling device for muddy soil Download PDFInfo
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- CN213985772U CN213985772U CN202023160960.4U CN202023160960U CN213985772U CN 213985772 U CN213985772 U CN 213985772U CN 202023160960 U CN202023160960 U CN 202023160960U CN 213985772 U CN213985772 U CN 213985772U
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Abstract
The utility model discloses a columnar sampling device for muddy soil, which comprises a hollow sampling pipe, wherein one end of the sampling pipe is detachably connected with a connecting sleeve head, the connecting sleeve head is provided with an air exhaust hole, and the air exhaust hole is connected with an air exhaust device; a piston is arranged between the sampling pipe and the connecting sleeve head and comprises a cylindrical plug body, a plug piece is arranged at one end of the plug body, an air channel is arranged in the plug body, and the air channel is communicated with the air suction hole. The utility model discloses utilize air exhaust device to take out air channel's air, make the plug piece warp a little for the inside soil of sampling pipe keeps negative pressure state, and soil is difficult for dropping when the sampling. The utility model discloses utilize vacuum pressure, make muddy soil take out the in-process that leaves ground at the sampling pipe can not break away from.
Description
Technical Field
The utility model belongs to the technical field of soil collection, concretely relates to argillaceous soil column sampling device.
Background
With the improvement of attention of people to soil environment problems, research on soil environment is deepened gradually, soil sample collection is a key technology for soil environment problem research, and scientificity, representativeness and normalization of sample collection are important. Conventional soil sampling device is mostly lower, can not flow the soil sampling to the water content, and carries out the device of sampling less to not hard up argillaceous soil, has a small amount of devices that relate to argillaceous soil sampling on the market, and its original section structure that can not guarantee argillaceous soil if sample through modes such as piston promotion, in the sampling process, can lead to the columnar sample extrusion deformation, can't guarantee the original section structure of sample, influence the experimental result. As the open original state deposit column sample thief that is applicable to silt matter coast of notice No. CN209513300U for when gathering not hard up muddy soil, cutting the ribbon, opening the sampling tube, muddy soil may drop, causes the soil sample of collection not enough, can't reach the sampling requirement, needs operating personnel's repeated sampling work, and this has also increased operating personnel's work burden undoubtedly.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that soil dropped when sampling among the prior art, the utility model aims to provide a muddy soil column sampling device.
The utility model discloses the technical scheme who adopts does: a columnar muddy soil sampling device comprises a hollow sampling pipe, wherein one end of the sampling pipe is detachably connected with a connecting sleeve head, the connecting sleeve head is provided with an air suction hole, and the air suction hole is connected with an air suction device; the sampling pipe is connected with the connecting sleeve head, the piston is arranged between the sampling pipe and the connecting sleeve head and comprises a cylindrical plug body, a plug sheet is arranged at one end of the plug body, an air passage is arranged in the plug body, and the air passage is communicated with the air suction hole.
As an optional mode, the external diameter of the plug body is matched with the internal diameter of the sampling pipe, the plug sheet is arranged at one end far away from the connecting sleeve head, when sampling is carried out, the plug sheet at one end of the plug body is in contact with muddy soil in the sampling pipe, and the other end of the plug body is abutted against the end face of the connecting sleeve head.
Optionally, the sampling tube is provided with an external thread, and the connecting sleeve head is provided with a first internal thread adapted to the external thread.
Optionally, the length of the external thread of the sampling tube matches the length of the plug body.
Optionally, a handle is arranged on the surface of the connecting sleeve.
As an optional mode, the both ends of sampling pipe have been equipped with first tube cap and second tube cap respectively, the second tube cap be equipped with the second internal thread of the external screw thread adaptation of sampling pipe.
Optionally, the sampling device further comprises a protective cylinder matched with the sampling tube, and the protective cylinder is provided with a cylinder cover.
Alternatively, the protective cartridge and the cartridge cover are threadedly connected.
Alternatively, the protective cylinder and the cylinder cover are both made of rubber.
Alternatively, the air extractor is a portable vacuum air extractor.
The utility model has the advantages that:
1. the utility model provides a muddy soil column sampling device, when air exhaust device started, its air that can take away air passage made the plug piece warp a little for the inside soil of sampling pipe keeps negative pressure state, and soil is difficult for dropping when the sampling. The utility model discloses utilize vacuum pressure, make muddy soil take out the in-process that leaves ground at the sampling pipe can not break away from.
2. The utility model discloses let argillaceous soil get into the sampling pipe earlier during the sample, fill in the piston again, overcome traditional piston sampling device's shortcoming, when making argillaceous soil take out, can keep the original state, its structure can not destroyed, has guaranteed the integrality of soil, ensures that the test data is reliable.
3. The utility model discloses simple structure, convenient operation, portable, but reuse takes a sample, and the practicality is high.
Drawings
Fig. 1 is a schematic structural diagram of a columnar sampling device for muddy soil provided by the present invention;
fig. 2 is a schematic structural view of a connecting sleeve head in the columnar sampling device for muddy soil provided by the present invention;
fig. 3 is a schematic structural diagram of a piston in the columnar sampling device for muddy soil provided by the present invention;
in the figure: 1-a sampling tube; 2-connecting the sleeve head; 3-air extraction holes; 4-an air extraction device; 5-a piston; 6-a plug body; 7-a plug sheet; 8-air channel; 9-handle.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present invention, it should be noted that the indication of the position or the positional relationship is based on the position or the positional relationship shown in the drawings, or the position or the positional relationship that the utility model is usually placed when using, or the position or the positional relationship that the skilled person conventionally understands, or the position or the positional relationship that the utility model is usually placed when using, and is only for the convenience of describing the present invention and simplifying the description, but does not indicate or suggest that the indicated device or element must have a specific position, be constructed and operated in a specific position, and thus, cannot be understood as limiting the present invention. Furthermore, the terms "first" and "second" are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art. The drawings in the embodiments clearly and completely describe the technical solutions in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, not all embodiments.
As shown in fig. 1 and fig. 2, the present embodiment provides a columnar sampling device for muddy soil, which includes a hollow sampling tube 1, wherein the bottom end of the sampling tube 1 is used for being inserted into soil, and the top end of the sampling tube 1 is detachably connected with a connecting socket 2. The top of connecting sleeve head 2 is equipped with aspirating hole 3, aspirating hole 3 is connected with air exhaust device 4, specifically, air exhaust device 4 is portable vacuum air extractor, and it is convenient to carry and use.
As shown in fig. 3, a piston 5 is arranged between the sampling tube 1 and the connecting sleeve head 2, the piston 5 is made of rubber, the piston 5 comprises a cylindrical plug body 6, a plug piece 7 is arranged at one end of the plug body 6, an air passage 8 is arranged in the plug body 6, and the air passage 8 is communicated with the air suction hole 3. The whole piston 5 is cylindrical, the bottom of the piston is a solid plug 7, and the top of the piston is hollow and is opened to form an air channel 8 communicated with the air suction hole 3. When air exhaust device 4 starts, its air that can take air passageway 8 away makes the cock stem 7 warp the epirelief slightly for the inside soil of sampling pipe 1 keeps the negative pressure state, and soil is difficult for dropping during the sampling, and the inside soil layer structure of sampling pipe 1 does not change. The utility model discloses utilize vacuum pressure, make muddy soil take out the in-process that leaves ground at sampling pipe 1 and can not break away from.
In some embodiments, the outer diameter of the plug body 6 is matched with the inner diameter of the sampling tube 1, the plug piece 7 is arranged at one end far away from the connecting sleeve head 2, the sampling tube 1 is inserted into muddy soil during sampling, the plug body 6 is placed into the sampling tube 1, the plug piece 7 at one end of the plug body 6 is in contact with the muddy soil in the sampling tube 1, and the other end of the plug body 6 is tightly abutted to the end face of the connecting sleeve head 2. The plug body 6 keeps a fixed state, and under the action of the air extractor 4, the plug sheet 7 can deform to keep the soil in a negative pressure state, so that the muddy soil can be kept in an original state when taken out, and the structure of the muddy soil cannot be damaged.
In some embodiments, the sampling tube 1 is provided with an external thread, the connecting sleeve head 2 is provided with a first internal thread matched with the external thread, a sealing ring can be arranged between the external thread and the first internal thread to enhance the sealing effect, and the sampling tube 1 is in threaded connection with the connecting sleeve head 2, so that the sampling tube is convenient to use and maintain. The length of the external thread of the sampling pipe 1 is matched with that of the plug body 6, and the depth of the sampling pipe 1 inserted into the muddy soil can be determined according to the position of the external thread. Preferably, the surface of the connecting sleeve head 2 is provided with a handle 9, so that the connecting sleeve head 2 and the sampling tube 1 can be conveniently connected and detached. The utility model discloses simple structure, convenient operation, portable, but reuse takes a sample, and the practicality is high.
In some embodiments, both ends of the sampling tube 1 are respectively provided with a first tube cap and a second tube cap, and the second tube cap is provided with a second internal thread matched with the external thread of the sampling tube 1. The sampling device also comprises a protective cylinder matched with the sampling tube 1, and a cylinder cover is arranged on the protective cylinder. First tube cap, second tube cap, a protection section of thick bamboo and cover are the accessory of sampling pipe 1, and after 1 samples of sampling pipe were accomplished, seal sampling pipe 1 through first tube cap and second tube cap, protect sampling pipe 1 through a protection section of thick bamboo and cover. The protection cylinder is in threaded connection with the cylinder cover, and the protection cylinder and the cylinder cover are both made of rubber.
The utility model discloses when specifically using, earlier with 1 vertical insert argillaceous soil of sampling pipe, make 1 external screw thread of sampling pipe and soil surface keep level, fill in piston 5 again, make 7 lower extremes of plug piece of piston 5 just with argillaceous soil contact, the top of piston 5 keeps level with the top of sampling pipe 1, then erection joint pullover 2 on sampling pipe 1, the top surface end that makes piston 5 and sampling pipe 1 all with the contact of the top inner wall of pullover 2, be connected portable vacuum air extractor and aspirating hole 3 again, make portable vacuum air extractor take out air duct 8's air out, utilize handle 9 to take out argillaceous soil sample at last. After the soil sample is taken out, the first pipe cover is sleeved on the lower end of the sampling pipe 1, the sampling pipe can be fixed by a wide transparent adhesive tape according to actual conditions, the sampling pipe is vertically placed on the ground, the connecting sleeve head 2 is unscrewed, the second pipe cover is screwed on, the sampling pipe 1 is placed into the protection barrel, the second pipe cover is downwards screwed, and the barrel cover is screwed on, so that the soil sample collection is finished. The utility model discloses let argillaceous soil get into sampling pipe 1 earlier during the sample, fill in piston 5 again, overcome traditional 5 formula sampling device's of piston shortcoming, when making argillaceous soil take out, can keep the original state, its structure can not destroyed, has guaranteed the integrality of soil, ensures that the detection data is reliable.
The present invention is not limited to the above-mentioned optional embodiments, and any other products in various forms can be obtained by anyone under the teaching of the present invention, and any changes in the shape or structure thereof, all the technical solutions falling within the scope of the present invention, are within the protection scope of the present invention.
Claims (10)
1. The columnar sampling device for the muddy soil is characterized by comprising a hollow sampling pipe (1), wherein one end of the sampling pipe (1) is detachably connected with a connecting sleeve head (2), the connecting sleeve head (2) is provided with an air exhaust hole (3), and the air exhaust hole (3) is connected with an air exhaust device (4); be equipped with piston (5) between sampling pipe (1) and connecting sleeve head (2), piston (5) are including cylindric cock body (6), the one end of cock body (6) is equipped with cock piece (7), is equipped with air duct (8) in cock body (6), air duct (8) and aspirating hole (3) intercommunication.
2. The columnar sampling device for the argillaceous soil according to claim 1, wherein the outer diameter of the plug body (6) is matched with the inner diameter of the sampling pipe (1), the plug piece (7) is arranged at one end far away from the connecting sleeve head (2), when sampling is carried out, the plug piece (7) at one end of the plug body (6) is in contact with the argillaceous soil in the sampling pipe (1), and the other end of the plug body (6) is abutted against the end face of the connecting sleeve head (2).
3. The columnar sampling device for muddy soil according to claim 2, wherein the sampling pipe (1) is provided with an external thread, and the connecting sleeve head (2) is provided with a first internal thread adapted to the external thread.
4. The columnar sampling device for muddy soil according to claim 3, characterized in that the length of the external thread of said sampling tube (1) matches the length of the plug body (6).
5. The columnar sampling device for muddy soil as claimed in claim 1, wherein said connecting sleeve head (2) is provided with a handle (9) on the surface.
6. The columnar sampling device for muddy soil according to claim 3, wherein both ends of the sampling pipe (1) are respectively provided with a first pipe cover and a second pipe cover, and the second pipe cover is provided with a second internal thread matched with the external thread of the sampling pipe (1).
7. The columnar sampling device of muddy soil according to claim 1, further comprising a protective cartridge fitted to said sampling pipe (1), said protective cartridge being provided with a cartridge cover.
8. The columnar sampling device of muddy soil as defined in claim 7, wherein said protective barrel and barrel cover are threadedly connected.
9. The columnar sampling device of muddy soil as defined in claim 7, wherein said protective cylinder and said cylinder cover are made of rubber.
10. The columnar sampling device of muddy soil according to claim 1, characterized in that said air suction means (4) is a portable vacuum air extractor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023160960.4U CN213985772U (en) | 2020-12-23 | 2020-12-23 | Columnar sampling device for muddy soil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023160960.4U CN213985772U (en) | 2020-12-23 | 2020-12-23 | Columnar sampling device for muddy soil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213985772U true CN213985772U (en) | 2021-08-17 |
Family
ID=77249352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023160960.4U Active CN213985772U (en) | 2020-12-23 | 2020-12-23 | Columnar sampling device for muddy soil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213985772U (en) |
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2020
- 2020-12-23 CN CN202023160960.4U patent/CN213985772U/en active Active
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