Adjustable geological survey efficient sampling device

Abstract

The utility model discloses an adjustable efficient sampling device for geological survey. The adjustable efficient sampling device comprises a sampling rod and a sampling head, the sampling rod is formed by connecting multiple stages of rod bodies with the same outer diameter, a sampling cavity is formed in the sampling rod along the center, and all the stages are connected through locking mechanisms; the sampling head is connected with the sampling rod at the bottom end in the same manner as the multi-stage connection manner of the sampling rod, the bottom end of the sampling head is of a conical head structure, and the outer wall of the sampling head is provided with a threaded structure; the sampling head is provided with a sampling opening consistent with the sampling cavity in diameter; the locking mechanism comprises limiting grooves correspondingly formed in the outer sides of all the rod bodies in a penetrating mode, and limiting plates are inserted into the limiting grooves. All levels of rod bodies of the sampling rod are detachably connected, and the height of the sampling rod can be flexibly adjusted according to different depth requirements; the height of the sampling rod is flexibly adjusted according to different depth requirements, and meanwhile, the limiting plate and the limiting groove are matched for limiting, so that the rod bodies cannot rotate mutually, a locking effect is achieved, and the sampling rod is very stable.

Description

TECHNICAL FIELD

[0001] The utility model belongs to geological survey technical field, concretely relates to an adjustable geological survey efficient sampling device. BACKGROUND

[0002] Geological survey sampling refers to collecting samples from geological bodies according to certain requirements in the process of geological survey and analyzing and researching these samples. Its purpose is to provide necessary data or information for solving geological, mineral and engineering technical problems through the analysis and research of samples.

[0003] The existing geological survey instrument usually probes into the underground sampling through the sampling rod, but the length of the underground access is limited, and it is not easy to sample when the user needs to survey deeper geological layers. To solve this problem, the Chinese patent document with publication number CN 219608452 U discloses a geological survey device, which comprises a support seat and a sampling pipe. The support seat is provided with a through hole, and the sampling pipe penetrates the through hole and can be longitudinally movable in the through hole. The sampling pipe comprises a rotating pipe at the upper end and a threaded pipe below the rotating pipe. The threaded pipe is drilled into the underground sampling by manually rotating the rotating pipe. The rotating pipe and the threaded pipe are detachably connected, and the threaded rod and the rotating rod can be connected with a splicable extension pipe. When deeper geological detection is needed, the extension pipe can be connected to achieve deeper soil detection.

[0004] However, the above technical solution has the following technical problems: the outer wall of the clamping part is provided with an outwardly protruding elastic block, the inner wall of the connecting part is provided with a clamping groove matched with the elastic block, the clamping groove penetrates the connecting part, and the clamping part is fixed by being buckled into the clamping groove through the elastic block. However, during the soil sampling process, the soil is easily extruded and separated from the elastic block, and the stability of the connection between the segments is insufficient. UTILITY MODEL CONTENTS

[0005] The utility model provides a kind of adjustable geological survey efficient sampling device, and the rod body of sampling rod can be detachably connected, and the height of sampling rod can be flexibly adjusted according to different depths;While the height of sampling rod is flexibly adjusted according to different depths, the locking effect is achieved by the cooperation of limiting plate and limiting groove, and the rod body does not rotate each other, so it is very stable, to solve the problems raised in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme: an adjustable geological survey efficient sampling device, including a sampling rod and a sampling head, the sampling rod is connected by multistage rod bodies with same outer diameter, sampling cavities are arranged along the center of the sampling rod, and the sampling rod is connected through a locking mechanism between each stage, a handle is installed at the top end of the sampling rod, the sampling head is connected with the sampling rod at the bottom end, the connecting mode is same as the connecting mode between the multistages of the sampling rod, the bottom end of the sampling head is a conical head structure, and a threaded structure is arranged on the outer wall, and the sampling head is provided with a sampling port with same diameter as the sampling cavity.

[0007] Preferably, the upper part of the sampling head is a cylindrical body with same diameter as the outer wall of the sampling rod, and the diameter of the conical head is greater than the diameter of the cylindrical body.

[0008] Preferably, the rod bodies are threadedly connected, the bottom end of the upper rod body is threadedly connected with the threaded groove of the lower rod body through a threaded head.

[0009] Preferably, the locking mechanism comprises limit grooves corresponding to the outer sides of all the rod bodies and inserted into the limit grooves, and the limit plates can only slide vertically along the limit grooves.

[0010] Preferably, the limit plates are composed of multistage limit plate units.

[0011] Preferably, the connecting positions of each limit plate unit are staggered with the connecting positions of the rod bodies.

[0012] Preferably, the limit plate units are all provided with screw holes, the upper end of the rod body is correspondingly provided with a screw hole, and the uppermost limit plate unit is fixedly connected with the uppermost rod body through a screw.

[0013] Preferably, a pressing rod is arranged on the upper part of the sampling rod, and the outer wall of the pressing rod is smoothly and tightly attached to the inner wall of the sampling cavity.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] 1. The rod bodies of the sampling rod can be detachably connected, and the height of the sampling rod can be flexibly adjusted according to different depths.

[0016] 2. While the height of the sampling rod is flexibly adjusted according to different depths, the rod bodies cannot rotate relative to each other through the cooperation of the limit plates and the limit grooves, thereby achieving the locking effect and being very stable. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a front view structural schematic diagram of the utility model;

[0018] Figure 2 It is a rod body top view structural schematic diagram of the utility model;

[0019] Figure 3 It is the rod body structure schematic view of the utility model;

[0020] Figure 4 It is the sampling head structure schematic view of the utility model;

[0021] Figure 5 It is the sampling rod section structure schematic view of the utility model.

[0022] In the drawing: 1, sampling rod;2, sampling head;3, rod body;4, sampling cavity;5, handle;6, sampling port;7, threaded head;8, limiting groove;9, limiting plate;10, screw;11, pressure rod. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0024] Please refer to Figures 1-5 The utility model provides a kind of adjustable geological survey efficient sampling device, including sampling rod 1 and sampling head 2;The sampling rod 1 is connected by the rod body 3 of same outer diameter of multiple stages, sampling cavity 4 is provided along center in the sampling rod 1, and it is connected by locking mechanism between each stage;The top end of the sampling rod 1 is installed handle 5;Sampling head 2 is connected with the sampling rod 1 of bottom end, and connection mode is same with the connection mode between the multiple stages of the sampling rod, the bottom end of sampling head 2 is conical head structure, and outer wall is equipped with thread structure;Sampling head 2 is equipped with sampling port 6 with the diameter identical with the sampling cavity 4;Sampling rod 1 is made into underground by handle 5 manual rotation, and sampling head 2 drills into, sampling head 2 is conical head with thread, beneficial to rotating into sampling depth, while reverse rotation rises and takes out sampling rod 1, and soil sample in the sampling cavity 4 through sampling port 6 is taken out by external pressure rod 11;Each rod body 3 of sampling rod 1 can be detachably connected, so that the height of sampling rod 1 can be flexibly adjusted according to different depth needs.

[0025] Specifically, the upper portion of the sampling head 2 is a cylindrical body with the same diameter as the outer wall of the sampling rod 1, and the diameter of the conical head is greater than the diameter of the cylindrical body; in this embodiment, the diameter of the conical head is greater than the diameter of the cylindrical body, which facilitates rotation into, and the upper portion of the sampling head 2 has the same diameter as the outer wall of the sampling rod 1, which facilitates subsequent corresponding of the limiting groove 8.

[0026] Specifically, the rod body 3 is screwed, the bottom end of the upper rod body 3 is screwed with the threaded groove of the lower rod body 3 through the threaded head 7; in the embodiment, the threaded head 7 is screwed into the threaded groove of the lower rod body 3, so that the rod bodies 3 of the sampling rod 1 can be detachably connected.

[0027] Specifically, the locking mechanism includes the limiting grooves 8 corresponding to the outer sides of all the rod bodies 3, the limiting plates 9 are inserted into the limiting grooves 8, and the limiting plates 9 can only slide vertically along the limiting grooves 8; in the embodiment, after the threaded head 7 is screwed into the threaded groove of the lower rod body 3, the limiting grooves 8 of the upper and lower rod bodies 3 correspond, and then the limiting plate 9 is inserted to prevent rotation, so that the rod bodies 3 cannot rotate relative to each other, thereby achieving the locking effect.

[0028] Specifically, the limiting plate 9 is composed of multiple limiting plate units; in the embodiment, the number of the limiting plate units of the limiting plate 9 is set according to the number of the rod bodies 3, and all the rod bodies 3 can be connected.

[0029] Specifically, the connection positions of each limiting plate unit and the rod body 3 are staggered; in the embodiment, the connection positions are staggered, thereby achieving the locking effect of the connection positions.

[0030] Specifically, the limiting plate unit is provided with a screw hole, the upper end of the rod body 3 is provided with a corresponding screw hole, and the uppermost limiting plate unit and the uppermost rod body 3 are fixedly connected through the screw 10; in the embodiment, the limiting plate 9 can only slide vertically under the limiting action between the limiting plate 9 and the limiting groove 8, and the limiting plate 9 cannot be separated outward from the limiting groove 8, and the screw 10 limits the vertical sliding of the limiting plate 9, thereby being very stable.

[0031] Specifically, the sampling rod 1 is provided with the pressing rod 11 at the upper portion, and the outer wall of the pressing rod 11 is smoothly and tightly attached to the inner wall of the sampling cavity 4; in the embodiment, the sampling rod 1 is taken out by reverse rotation and upward movement, and the soil sample in the sampling cavity 4 through the sampling port 6 is taken out by externally pressing the pressing rod 11.

[0032] In order to facilitate the understanding of the above technical scheme of the utility model, the working principle or operation mode of the utility model in the actual process is described in detail.

[0033] Working principle: through the hand 5 manual rotation sampling rod 1 makes sampling head 2 drills into the ground sampling, sampling head 2 is the threaded conical head, it is beneficial to rotate into the sampling depth, simultaneously reverse rotation rises and takes out sampling rod 1, through the external depression pressure lever 11 will enter the sampling cavity 4 in the soil sample through sampling port 6 and take out;The rod body 3 of sampling rod 1 can be detachably connected, through the thread head 7 is screwed into the thread groove of lower rod body 3 to be in place, then the limiting slot 8 of upper and lower rod body 3 is corresponding, then inserts the limiting plate 9, the unit quantity of limiting plate 9 is set according to the number of rod body 3, meets all rod body 3 is connected, then in the top screw hole installs screw 10 fixed, so that the height of sampling rod 1 can be flexibly adjusted according to the different depth needs, at the same time through the limiting plate 9 and limiting slot 8 between the limiting action can only be vertically sliding, limiting plate 9 will not be separated from limiting slot 8, screw 10 plays the limiting of limiting plate 9 vertical sliding, so it is very stable.

[0034] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of the present application being defined by the appended claims and their equivalents.

Claims

1. An adjustable efficient sampling device for geological surveying, comprising a sampling rod (1) and a sampling head (2); characterized in that, The sampling rod (1) is composed of multi-stage rod bodies (3) with same outer diameter, the sampling rod (1) is provided with a sampling cavity (4) in the center, and each stage is connected through a locking mechanism; a handle (5) is installed at the top end of the sampling rod (1); the sampling head (2) is connected with the sampling rod (1) at the bottom end, the connection mode is the same as that between the multi-stage sampling rods, the bottom end of the sampling head (2) is a conical head structure, and the outer wall is provided with a threaded structure; the sampling head (2) is provided with a sampling port (6) with the same diameter as the sampling cavity (4).

2. The adjustable efficient sampling device for geological surveying according to claim 1, wherein, The upper part of the sampling head (2) is a cylindrical body with the same diameter as the outer wall of the sampling rod (1), and the diameter of the conical head is greater than that of the cylindrical body.

3. The adjustable efficient sampling device for geological surveying of claim 1, wherein, The rod bodies (3) are threadedly connected, the bottom end of the upper rod body (3) is threadedly connected with the threaded groove of the lower rod body (3) through a threaded head (7).

4. The adjustable efficient sampling device for geological surveying of claim 3, wherein, The locking mechanism includes a limiting groove (8) corresponding to the outer side of all the rod bodies (3) and being provided with a limiting plate (9) inserted therein, and the limiting plate (9) can only slide vertically in the limiting groove (8).

5. The adjustable efficient sampling device for geological surveying of claim 4, wherein, The limiting plate (9) is composed of multi-stage limiting plate units.

6. The adjustable efficient sampling device for geological surveying of claim 5, wherein, The connecting position of each stage of the limiting plate unit is staggered with the connecting position of the rod body (3).

7. The adjustable efficient sampling device for geological surveying of claim 6, wherein, Each limiting plate unit is provided with a screw hole, and the upper end of the rod body (3) is correspondingly provided with a screw hole, the uppermost limiting plate unit and the uppermost rod body (3) are fixedly connected through a screw (10).

8. The adjustable efficient sampling device for geological surveying of claim 1, wherein, The upper part of the sampling rod (1) is provided with a pressing rod (11), and the outer wall of the pressing rod (11) is smoothly and tightly attached to the inner wall of the sampling cavity (4).

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