Grassland soil quantitative sampler

Abstract

The utility model relates to the technical field of environmental monitoring, and discloses a grassland soil quantitative sampler which comprises a sampling pipe, a drill bit is detachably mounted on the sampling pipe and used for opening and closing a port of the sampling pipe, a connecting rod is fixed on the drill bit and fixed in the sampling pipe through a pin, and a sample injection groove is formed in the side wall of the sampling pipe close to the drill bit. A push-pull rod is inserted into the sampling pipe, a piston is installed on the push-pull rod and used for closing part of the sample feeding groove, a limiting hole is formed in the position, away from the drill bit, of the sampling pipe, a limiting pin penetrating through the push-pull rod is inserted into the limiting hole, and a plurality of positioning holes are formed in the push-pull rod along the axis of the push-pull rod and used for containing the limiting pin. The soil sampler has the beneficial effects that the pin of the drill bit is firstly knocked off to take down the drill bit, then the push-pull rod is pushed to push a soil sample out of the sampling tube, and meanwhile, the sampling capacity of the sampling tube can be adjusted by inserting the limiting pin into the positioning holes at different positions, so that various use requirements can be met.

Description

TECHNICAL FIELD

[0001] The utility model relates to environmental monitoring technical field, especially a grassland soil quantitative sampler. BACKGROUND

[0002] The soil sampler is a tool for obtaining soil samples, and common ones are soil drills, spades and trowels. The soil drill is composed of a drill head made of hard material (steel or hard plastic) and a handle. The drill head is usually spiral or cylindrical. The top end of the spiral drill head is a pair of sharp cutting edges that can rotate into the soil. Next to the cutting edges is a large soil cavity. The handle is rotated downward into the soil surface, and the soil sample of the desired layer can be introduced into the cavity.

[0003] The utility model discloses a soil sampler (CN201344865Y) comprises: sampling pipe and handle, the sampling pipe is made of a stainless steel hollow pipe, its one end is sampling mouth, the other end is fixedly connected with the handle, be equipped with a certain length's earth outlet on the lateral wall of the sampling pipe, the position of the earth outlet is close to the sampling mouth. The utility model discloses a soil sampler is made into a hollow pipe shape, convenient operation, only need to rotate and insert to obtain the soil sample of required depth, be equipped with the earth outlet of strip shape on the pipe side, when the soil sample is poured, it is simple and convenient, and the scale is arranged on the outside of the sampling pipe, can make the user grasp the depth of insertion, reach the purpose that the soil sample of required depth is accurately obtained, but the soil sample after sampling is not convenient to take out from the sampling pipe under the influence of adhesion. SUMMARY

[0004] The utility model discloses a grassland soil quantitative sampler, which overcomes the shortcomings of the prior art.

[0005] The utility model discloses a grassland soil quantitative sampler, which overcomes the shortcomings of the prior art.

[0006] Preferably, the sampling tube is sleeved with an outer tube, the outer tube is fixed on the sampling tube through a connecting structure, a sampling slot corresponding to the sample inlet slot is formed on the side wall of the outer tube, and the sample inlet slot is exposed in the sampling slot by rotating the outer tube.

[0007] Preferably, the connecting structure comprises a pair of flanges, a handle, a spring and a sliding ring, the pair of flanges are fixed on the sampling tube and the outer tube respectively, the handle is fixed on the outer tube, the spring and the sliding ring are sleeved on the outer tube, the sliding ring is abutted against the flanges through the spring, the sliding ring is fixed with a positioning column, and the positioning column is inserted into the pair of flanges.

[0008] Preferably, the handle is parallel to the limiting pin.

[0009] Preferably, the symmetry axis of the sampling slot is coplanar with the axis of the handle, and the symmetry axis of the sample inlet slot is coplanar with the axis of the limiting pin.

[0010] Preferably, the sliding ring is fixed with a pair of pressing blocks, and the pair of pressing blocks are located on the two sides of the sampling tube respectively.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] The utility model discloses simple structure, and soil sample is convenient to take out from sampling tube, and after knocking off the pin of drill bit and taking down the drill bit, then pushes the soil sample and pushes out sampling tube, and simultaneously through the limiting pin is inserted into the positioning hole of different position, also can adjust the sampling capacity of sampling tube, can adapt to various use demand. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the structure diagram of the utility model Figure 1 ;

[0014] Figure 2 It is the structure diagram of the utility model Figure 2 ;

[0015] Figure 3 It is the partial enlarged diagram of A in the utility model Figure 2 ;

[0016] Figure 4 It is the sectional view of the utility model Figure 2 ;

[0017] Figure 5 It is the structure diagram of sampling tube

[0018] Figure 6 It is the sectional view of the utility model Figure 4 ;

[0019] In the figure, 1 - sampling tube, 2 - drill bit, 3 - connecting rod, 4 - pin, 5 - sample slot, 6 - push-pull rod, 7 - piston, 8 - limit pin, 9 - positioning hole, 10 - outer tube, 11 - sampling slot, 12 - flange plate, 13 - handle, 14 - spring, 15 - slip ring, 16 - positioning column, 17 - pressing block DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings can be arranged and designed in various different configurations.

[0021] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0022] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.

[0023] It should be noted that: similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0024] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly placed when the product of the present application is used, or the orientation or positional relationship commonly understood by those skilled in the art, and are only for the convenience of describing the present application and simplifying the description, and are not intended to indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second" and the like are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0025] In the description of the utility model, still need to explain, unless another explicit provision and limitation, term "arrangement", "installation", "link", "connection" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be two elements inside the communication. For ordinary skilled in the art, the above-mentioned terms can be understood in the specific meaning of the utility model according to specific circumstances.

[0026] As Figures 1-6 The utility model discloses a prairie soil quantitative sampler, including sampling pipe 1, the sampling pipe 1 is detachably installed with drill bit 2, and the drill bit 2 is used for opening and closing the port of sampling pipe 1, and the drill bit 2 is fixed with connecting rod 3 along its axial line direction, and the connecting rod 3 is fixed in the sampling pipe 1 through the pin 4, the lateral wall of sampling pipe 1 is close to the drill bit 2 and is provided with the sampling slot 5, the sampling slot 5 extends along the axial line of sampling pipe 1, the push-pull rod 6 is inserted into the sampling pipe 1, the push-pull rod 6 is installed with piston 7, and the piston 7 is used for closing part sampling slot 5, and the sampling pipe 1 is provided with limiting hole away from the drill bit 2, the limiting hole is inserted with the limiting pin 8 that penetrates the push-pull rod 6, and the push-pull rod 6 is provided with a plurality of positioning holes 9 along its axial line, and the positioning hole 9 is used to accommodate the limiting pin 8, the utility model discloses simple structure, and soil sample is conveniently taken out from the sampling pipe 1, after knocking off the pin 4 of drill bit 2 and taking down drill bit 2, then push-pull rod 6 is pushed to push out the soil sample from the sampling pipe 1, and simultaneously by inserting the limiting pin 8 into the positioning hole 9 in different positions, the sampling capacity of sampling pipe 1 can also be adjusted, and various use requirements can be adapted.

[0027] In the embodiment, as Figures 1-6 The utility model discloses a prairie soil quantitative sampler, including sampling pipe 1, the sampling pipe 1 is detachably installed with drill bit 2, and the drill bit 2 is used for opening and closing the port of sampling pipe 1, and the drill bit 2 is fixed with connecting rod 3 along its axial line direction, and the connecting rod 3 is fixed in the sampling pipe 1 through the pin 4, the lateral wall of sampling pipe 1 is close to the drill bit 2 and is provided with the sampling slot 5, the sampling slot 5 extends along the axial line of sampling pipe 1, the push-pull rod 6 is inserted into the sampling pipe 1, the push-pull rod 6 is installed with piston 7, and the piston 7 is used for closing part sampling slot 5, and the sampling pipe 1 is provided with limiting hole away from the drill bit 2, the limiting hole is inserted with the limiting pin 8 that penetrates the push-pull rod 6, and the push-pull rod 6 is provided with a plurality of positioning holes 9 along its axial line, and the positioning hole 9 is used to accommodate the limiting pin 8, the utility model discloses simple structure, and soil sample is conveniently taken out from the sampling pipe 1, after knocking off the pin 4 of drill bit 2 and taking down drill bit 2, then push-pull rod 6 is pushed to push out the soil sample from the sampling pipe 1, and simultaneously by inserting the limiting pin 8 into the positioning hole 9 in different positions, the sampling capacity of sampling pipe 1 can also be adjusted, and various use requirements can be adapted.

[0028] In the embodiment, as Figures 1-6As shown, the connecting structure comprises a pair of flanges 12, a handle 13, a spring 14 and a sliding ring 15, the pair of flanges 12 are fixed on the sampling tube 1 and the outer tube 10 respectively, the handle 13 is fixed on the outer tube 10, the spring 14 and the sliding ring 15 are sleeved on the outer tube 10, the sliding ring 15 is abutted on the flanges 12 through the spring 14, the positioning column 16 is fixed on the sliding ring 15 and is inserted into the pair of flanges 12, after the positioning column 16 locks the relative rotation of the two flanges, the drill bit 2 can be driven to drill easily and labor-savingly through the handle 13.

[0029] In the embodiment, as shown in the figure, Figures 1-6 The axis of the handle 13 is parallel to the axis of the limiting pin 8, the limiting pin 8 is regarded as a fixed mark line, the handle 13 is regarded as a movable mark line, the position of the sampling groove 11 relative to the sample inlet groove 5 can be determined, and the visualization of the opening and closing of the sample inlet groove 5 is realized.

[0030] In the embodiment, as shown in the figure, Figures 1-6 The symmetry axis of the sampling groove 11 in the extension direction is coplanar with the axis of the handle 13, and the symmetry axis of the sample inlet groove 5 in the extension direction is coplanar with the axis of the limiting pin 8, the position of the sampling groove 11 is marked by the handle 13, the position of the sample inlet groove 5 is marked by the limiting pin 8, and the relative position between the sampling groove 11 and the sample inlet groove 5 is more convenient to determine, and the handle 13 can be aligned with the limiting pin 8.

[0031] In the embodiment, as shown in the figure, Figures 1-6 The sliding ring 15 is fixed with a pair of pressing blocks 17, the pair of pressing blocks 17 are located on the two sides of the sampling tube 1 respectively, the two flanges can be unlocked by pressing the pressing blocks 17, so that the outer tube 10 can rotate, and the two flanges can be locked by releasing the pressing blocks 17, and the structure is simple and convenient to use.

[0032] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A quantitative sampler for grassland soil, comprising a sampling tube (1), characterized in that: A drill bit (2) is detachably mounted on the sampling tube (1). The drill bit (2) is used to open and close the port of the sampling tube (1). A connecting rod (3) is fixed on the drill bit (2) along its axis. The connecting rod (3) is fixed inside the sampling tube (1) by a pin (4). A sample inlet groove (5) is opened on the side wall of the sampling tube (1) near the drill bit (2). The sample inlet groove (5) extends along the axis of the sampling tube (1). A push-pull rod (6) is inserted into the sample tube (1), and a piston (7) is installed on the push-pull rod (6). The piston (7) is used to close part of the sample inlet groove (5). A limit hole is opened in the sampling tube (1) away from the drill bit (2). A limit pin (8) that penetrates the push-pull rod (6) is inserted into the limit hole. A number of positioning holes (9) are opened along the axis of the push-pull rod (6). The positioning holes (9) are used to accommodate the limit pin (8).

2. The grassland soil quantitative sampler according to claim 1, characterized in that: The sampling tube (1) is fitted with an outer tube (10), which can be fixed on the sampling tube (1) by a connecting structure. The outer tube (10) has a sampling groove (11) on its side wall that corresponds to the inlet groove (5). By rotating the outer tube (10), the inlet groove (5) is exposed in the sampling groove (11).

3. A grassland soil quantitative sampler according to claim 2, characterized in that: The connection structure includes a pair of flanges (12), a handle (13), a spring (14), and a slip ring (15). The pair of flanges (12) are respectively fixed on the sampling tube (1) and the outer tube (10). The handle (13) is fixed on the outer tube (10). The spring (14) and the slip ring (15) are both sleeved on the outer tube (10). The slip ring (15) is pressed against the flange (12) by the spring (14). A positioning post (16) is fixed on the slip ring (15). The positioning post (16) is inserted into the pair of flanges (12).

4. A grassland soil quantitative sampler according to claim 3, characterized in that: The axis of the handle (13) is parallel to the axis of the limiting pin (8).

5. A grassland soil quantitative sampler according to claim 3, characterized in that: The axis of symmetry in the extension direction of the sampling groove (11) is coplanar with the axis of the handle (13), and the axis of symmetry in the extension direction of the injection groove (5) is coplanar with the axis of the limiting pin (8).

6. A grassland soil quantitative sampler according to claim 3, characterized in that: A pair of pressing blocks (17) are fixed on the slip ring (15), and the pair of pressing blocks (17) are located on both sides of the sampling tube (1).

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