Press type stratified riverbed sediment sampler

Abstract

The utility model discloses a push type riverbed sediment stratified sampler which comprises a transmission part, an extension part is arranged at the lower end of the transmission part, a sampling part is arranged at the lower end of the extension part, the transmission part comprises a holding rod, a movable sleeve, a connecting rod, a first transmission rod and a first connecting sleeve, the outer side surface of the holding rod is movably sleeved with the movable sleeve, and the outer side surface of the first transmission rod is sleeved with the connecting rod. A connecting rod is fixedly arranged on one side of the surface of the movable sleeve, a first transmission rod is fixedly arranged on the surface of the outer side of the connecting rod, a first connecting sleeve is fixedly arranged at the lower end of the first transmission rod, and the extending part comprises an extending rod, a second transmission rod, a second connecting sleeve and a third connecting sleeve. An extension rod is movably arranged at the lower end of the holding rod in a screwed mode through threads, and a second transmission rod is movably arranged in the extension rod in a penetrating and inserting mode. The stratified sampling device is good in using effect, stratified sampling can be conveniently and quickly carried out after the sampling rod is inserted into a riverbed, and therefore the sampling effect can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of bottom mud sampling, in particular to a press-type riverbed bottom mud stratified sampler. Background Art

[0002] For river management and river environment research, it is often necessary to use a riverbed sediment sampling device to sample the silt at the bottom of the riverbed.

[0003] According to a Chinese patent application number 201922199288.0, an automatic riverbed sediment stratification sampler is used to sample riverbed sediment by pumping. However, this is not convenient for stratified sampling. In addition, the overall device is large and heavy and not convenient to carry. Therefore, a press-type riverbed sediment stratification sampler is needed to improve this problem. Utility Model Content

[0004] The utility model aims to provide a press-type riverbed sediment stratification sampler to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a press-type riverbed mud stratified sampler, comprising a transmission part, an extension part is arranged at the lower end of the transmission part, a sampling part is arranged at the lower end of the extension part, the transmission part comprises a holding rod, a movable sleeve, a connecting rod, a first transmission rod, a first connecting sleeve, the movable sleeve on the outer surface of the holding rod is provided with a movable sleeve, a connecting rod is fixedly arranged on one side of the surface of the movable sleeve, a first transmission rod is fixedly arranged on the outer surface of the connecting rod, a first connecting sleeve is fixedly arranged at the lower end of the first transmission rod, the extension part comprises an extension rod, a second transmission rod, a second connecting sleeve, and a third connecting sleeve, the lower end of the holding rod is provided with an extension rod through a threaded movably screwed connection, and the extension rod has an internal movable sleeve. A second transmission rod is movably interspersed, a second connecting sleeve is fixedly provided on the upper end of the second transmission rod, the first connecting sleeve and the second connecting sleeve are movably screwed together and connected by threads, a third connecting sleeve is fixedly provided on the lower end of the second transmission rod, the sampling part comprises a sampling rod, a third transmission rod, a fourth connecting sleeve, a sampling chamber, and a baffle, a sampling rod is movably screwed together at the lower end of the extension rod, a third transmission rod is movably interspersed inside the sampling rod, a fourth connecting sleeve is fixedly provided on the upper end of the third transmission rod, the fourth connecting sleeve and the third connecting sleeve are movably screwed together and connected by threads, a plurality of sampling chambers are evenly provided on the outer surface of the sampling rod, and a baffle is fixedly provided on the outer surface of the third transmission rod.

[0006] Preferably, a limit ring is fixedly provided on the outer surface of the holding rod, and a spring is sleeved between the limit ring and the movable sleeve on the outer surface of the holding rod. The movable sleeve can be automatically pushed up and reset by the spring, so that the first transmission rod, the second transmission rod and the third transmission rod can be driven to reset through the connecting rod.

[0007] Preferably, a guide block is fixedly provided at the lower end of the sampling rod, and the sampling rod can be easily inserted into the soil through the guide block.

[0008] Preferably, a handle is fixedly provided on the upper end of the holding rod, and the device can be conveniently held and used by the handle.

[0009] Preferably, a magnet is provided inside the baffle, and the sampling rod is made of iron material. The magnet inside the baffle generates suction to adsorb the sampling rod, which can improve the sealing performance of the baffle and the sampling rod when they are in contact with each other; and improve the sealing effect of the sampling chamber.

[0010] Preferably, a through groove is provided on the outer surface of the holding rod, and the connecting rod is inserted through the through groove and extends into the interior of the holding rod; the connecting rod can be conveniently introduced into the interior of the holding rod through the through groove, so that it can be conveniently fixedly connected with the first transmission rod.

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

[0012] 1. The utility model waits until the sampling rod is fully inserted into the riverbed, and then the movable sleeve can be pressed down to move it, so that the baffle and the sampling chamber can be misaligned, and then the device is rotated with force to make the sampling rod rotate several circles in the riverbed, so that the silt can enter the sampling chamber, and then the movable sleeve is pulled up to make the baffle seal the sampling chamber, and then the whole device is pulled out of the riverbed, so that the layered sampling can be completed, and the whole sampling step is convenient and quick, and the overall size of the device is small, and it can be disassembled and split, so it is easy to carry.

[0013] 2. The number of extension parts of the utility model can be freely selected according to the depth of the riverbed to be sampled. Since the sampling rod of the device is assembled through threads, several extension rods and second transmission rods can be combined through threads, so that the length of the device can meet the sampling needs of riverbeds of various depths; at the same time, the device can also be disassembled through threads as needed, which is convenient for transportation. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the overall structure of a press-type riverbed sediment stratification sampler of the utility model;

[0015] Figure 2 This is a cross-sectional view of the overall structure of a press-type riverbed sediment stratification sampler of the utility model;

[0016] Figure 3 This is an overall structural view of a holding rod in a press-type riverbed sediment stratification sampler of the utility model;

[0017] Figure 4 This is an overall structural view of a sampling rod in a press-type riverbed mud stratification sampler of the utility model;

[0018] Figure 5 This utility model is a press-type riverbed mud stratification sampler Figure 2 Magnified view at A in the middle;

[0019] Figure 6 This utility model is a press-type riverbed mud stratification sampler Figure 2 Magnified view at B.

[0020] In the figure: 1. holding rod; 2. movable sleeve; 3. connecting rod; 4. first transmission rod; 5. first connecting sleeve; 6. extension rod; 7. second transmission rod; 8. second connecting sleeve; 9. third connecting sleeve; 10. sampling rod; 11. third transmission rod; 12. fourth connecting sleeve; 13. sampling chamber; 14. baffle; 15. limiting ring; 16. spring; 17. guide block; 18. handle; 19. through groove. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-6The utility model provides a technical solution: a press-type riverbed mud stratified sampler, including a transmission part, an extension part is arranged at the lower end of the transmission part, and a sampling part is arranged at the lower end of the extension part, the transmission part includes a holding rod 1, a movable sleeve 2, a connecting rod 3, a first transmission rod 4, and a first connecting sleeve 5. The movable sleeve 2 on the outer surface of the holding rod 1 is provided with a movable sleeve 2, and a connecting rod 3 is fixedly arranged on one side of the surface of the movable sleeve 2. The first transmission rod 4 is fixedly arranged on the outer surface of the connecting rod 3, and the first connecting sleeve 5 is fixedly arranged at the lower end of the first transmission rod 4. The extension part includes an extension rod 6, a second transmission rod 7, a second connecting sleeve 8, and a third connecting sleeve 9. The lower end of the holding rod 1 is provided with an extension rod 6 through a threaded movably screwed connection, and a second transmission rod is movably inserted inside the extension rod 6. 7, a second connecting sleeve 8 is fixedly provided on the upper end of the second transmission rod 7, the first connecting sleeve 5 and the second connecting sleeve 8 are movably connected to each other by screwing together through threads, a third connecting sleeve 9 is fixedly provided on the lower end of the second transmission rod 7, the sampling part comprises a sampling rod 10, a third transmission rod 11, a fourth connecting sleeve 12, a sampling chamber 13, and a baffle 14, a sampling rod 10 is movably screwed together on the lower end of the extension rod 6 through threads, a third transmission rod 11 is movably inserted inside the sampling rod, a fourth connecting sleeve 12 is fixedly provided on the upper end of the third transmission rod 11, the fourth connecting sleeve 12 and the third connecting sleeve 9 are movably screwed together through threads, a plurality of sampling chambers 13 are evenly provided on the outer surface of the sampling rod 10, and a baffle 14 is fixedly provided on the outer surface of the third transmission rod 11.

[0023] A limit ring 15 is fixedly arranged on the outer surface of the gripping rod 1, and a spring 16 is sleeved between the limit ring 15 and the movable sleeve 2 on the outer surface of the gripping rod 1. The movable sleeve 2 can be automatically pushed upward and reset by the spring 16, so that the first transmission rod 4, the second transmission rod 7, and the third transmission rod 11 can be driven to reset through the connecting rod 3;

[0024] A guide block 17 is fixedly provided at the lower end of the sampling rod, and the sampling rod can be conveniently inserted into the soil through the guide block 17;

[0025] A handle 18 is fixedly provided on the upper end of the holding rod 1, and the device can be conveniently held and used by the handle 18;

[0026] The baffle 14 is provided with a magnet inside. The sampling rod 10 is made of iron material. The magnet inside the baffle 14 generates suction to adsorb the sampling rod 10, which can improve the sealing performance when the baffle 14 and the sampling rod 10 are attached to each other; and improve the sealing effect of the sampling chamber 13;

[0027] The outer surface of the gripping rod 1 is provided with a through slot 19, and the connecting rod 3 is inserted through the through slot 19 and extends into the inside of the gripping rod 1; the connecting rod 3 can be conveniently introduced into the gripping rod 1 through the through slot 19, so as to be conveniently fixedly connected with the first transmission rod 4;

[0028] Working principle: The device is composed of a transmission part, an extension part, and a sampling part, wherein there is only one transmission part and one sampling part, and the number of extension parts can be freely selected according to the depth of the riverbed to be sampled. Since the sampling rod 10 of the device is assembled through threads, it is sufficient to combine several extension rods 6 and second transmission rods 7 through threads, so that the length of the device can meet the sampling requirements of riverbeds of various depths; at the same time, the device can be disassembled through threads as needed, which is convenient for transportation;

[0029] When sampling, the sampling rod 10 is inserted into the riverbed through the holding rod 1. At this time, the riverbed silt generates resistance that causes the baffle 14 to move up, but the movable sleeve 2 cannot move up at this time, so the first transmission rod 4, the second transmission rod 7, and the third transmission rod 11 cannot move up, so the baffle 14 cannot move up; when the sampling rod 10 is fully inserted into the riverbed, the movable sleeve 2 can be pressed downward to make the baffle 14 and the sampling bin misaligned, and then the device is rotated forcefully to make the sampling rod 10 rotate several times in the riverbed, so that the silt can flow into and enter the sampling bin 13, and then the movable sleeve 2 is pulled up to make the baffle 14 block the sampling bin 13, and then the entire device is pulled out of the riverbed together, so that the stratified sampling can be completed, and the entire sampling step is convenient and quick.

[0030] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A press-type riverbed sediment stratified sampler, comprising a transmission part, characterized in that: The transmission part is provided with an extension part at the lower end, and a sampling part is provided at the lower end of the extension part. The transmission part comprises a holding rod (1), a movable sleeve (2), a connecting rod (3), a first transmission rod (4), and a first connecting sleeve (5). The movable sleeve (2) is provided with a movable sleeve (2) on the outer surface of the holding rod (1). A connecting rod (3) is fixedly provided on one side of the surface of the movable sleeve (2). The first transmission rod (4) is fixedly provided on the outer surface of the connecting rod (3). The first connecting sleeve (5) is fixedly provided at the lower end of the first transmission rod (4). The extension part comprises an extension rod (6), a second transmission rod (7), a second connecting sleeve (8), and a third connecting sleeve (9). The extension rod (6) is movably screwed on the lower end of the holding rod (1). The second transmission rod (7) is movably inserted inside the extension rod (6). The second transmission rod (7) is fixedly provided at the upper end of the second transmission rod (7). The invention relates to a second connecting sleeve (8), wherein the first connecting sleeve (5) and the second connecting sleeve (8) are movably connected to each other by screwing together through threads, a third connecting sleeve (9) is fixedly provided at the lower end of the second transmission rod (7), the sampling part comprises a sampling rod (10), a third transmission rod (11), a fourth connecting sleeve (12), a sampling chamber (13), and a baffle (14), the lower end of the extension rod (6) is provided with the sampling rod (10) by screwing together through threads, a third transmission rod (11) is movably inserted inside the sampling rod (10), a fourth connecting sleeve (12) is fixedly provided at the upper end of the third transmission rod (11), the fourth connecting sleeve (12) and the third connecting sleeve (9) are movably screwed together through threads, a plurality of sampling chambers (13) are evenly provided on the outer surface of the sampling rod (10), and a baffle (14) is fixedly provided on the outer surface of the third transmission rod (11).

2. A press-type riverbed sediment stratification sampler according to claim 1, characterized in that: A limiting ring (15) is fixedly arranged on the outer surface of the gripping rod (1), and a spring (16) is sleeved between the limiting ring (15) and the movable sleeve (2) on the outer surface of the gripping rod (1).

3. The press-type riverbed sediment stratification sampler according to claim 1, characterized in that: A guide block (17) is fixedly arranged at the lower end of the sampling rod (10).

4. The press-type riverbed sediment stratification sampler according to claim 1, characterized in that: A handle (18) is fixedly provided on the upper end of the holding rod (1).

5. The press-type riverbed sediment stratification sampler according to claim 1, characterized in that: A magnet is arranged inside the baffle (14), and the sampling rod (10) is made of iron material.

6. The press-type riverbed sediment stratification sampler according to claim 1, characterized in that: A through slot (19) is provided on the outer surface of the gripping rod (1), and the connecting rod (3) is inserted through the through slot (19) and extends into the interior of the gripping rod (1).

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