A portable core sampling kit
By combining the connecting tube, sampling handle, and sleeve in the portable core sampling kit, the problems of inconvenience in mountainous areas and numerous components of large devices are solved, thus achieving portability and stability of the sampling kit.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- LUAN GRP CILINSHAN COAL IND CO LTD XIADIAN COAL MINE
- Filing Date
- 2025-04-07
- Publication Date
- 2026-06-30
AI Technical Summary
Existing core sampling devices are large, fixed, and inconvenient to move, making it difficult to conduct flexible exploration in mountainous areas. Furthermore, the numerous components of the sampling kit make it inconvenient to store and carry.
A portable core sampling kit was designed, which adopts a combination structure of connecting tube, sampling handle, sampling sleeve and perforated sleeve. The fixing structure of the sampling kit is simplified by the locking and limiting component and the L-shaped slot, which increases portability. The design of the sampling sleeve and the perforated sleeve improves the stability of core extraction.
It enables portable assembly and disassembly of the sampling kit and stable sampling, solving the problems of inconvenient detection in mountainous areas and carrying difficulties caused by numerous components of existing devices, and improving the flexibility and stability of core sampling.
Smart Images

Figure CN224435822U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of core sampling kit technology, and in particular to a portable core sampling kit. Background Technology
[0002] Core sampling, also known as core drilling sampling, is the sampling work carried out on rock cores or mineral cores obtained through drilling. It generally uses manual or mechanical methods to split the rock core in half or quarters along its long axis, according to a certain sampling length, and then takes one half or one-quarter as a sample. The quality of core sampling depends on the core recovery rate. If geological conditions prevent the core recovery rate from meeting the sampling requirements, or if the varying hardness of the constituent minerals causes selective abrasion, resulting in enrichment or depletion of useful minerals in the core, then rock powder must be collected simultaneously with core sampling to determine the ore crystal position at that location through analysis of both samples.
[0003] Existing core sampling devices mostly use large, fixed-base sampling devices to sample core structures. These large, fixed-base sampling devices are inconvenient to move and difficult to conduct flexible and simple detection in mountainous environments. Existing sampling kits often require the use of external sleeves and pin connections to these sleeves, resulting in a wide variety of components and assembly tools, making the sampling kits inconvenient to store and carry. Therefore, this application designs a portable core sampling kit to solve the above problems. Utility Model Content
[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a portable core sampling kit.
[0005] To achieve the above objectives, the present invention adopts the following technical solution: a portable core sampling kit, comprising a connecting tube, wherein the upper end of the connecting tube is selectively snapped with an opening connector for connecting an opening device, and the upper end of the connecting tube is selectively snapped with a sampling handle, the bottom end of the connecting tube is selectively threaded with a sampling sleeve, and the bottom end of the connecting tube is selectively threaded with an opening sleeve, wherein the two connecting tubes are snapped together and fixed when connected.
[0006] Preferably, four pressure plates are provided at equal intervals on the peripheral sidewall of the sampling sleeve, and all four pressure plates are inclined and protrude towards the inside of the sampling sleeve. Friction grooves are provided at equal intervals at the end of the perforated sleeve.
[0007] Preferably, an L-shaped groove penetrating the pipe wall is provided on the upper end wall of the connecting pipe, and two limiting holes that do not penetrate the pipe wall are provided at intervals on the upper end wall of the connecting pipe, and the limiting holes are located on the periphery of the L-shaped groove.
[0008] Preferably, the bottom ends of the sampling handle, the hole connector, and part of the connecting pipe are all provided with connecting pipes. Each connecting pipe is provided with a locking and limiting component for engaging with the limiting hole located in the L-shaped slot. The locking and limiting component consists of an adjusting rotating block, two sliding top blocks, and a mounting base. The lower end of the adjusting rotating block is provided with a threaded rod, and a connecting plate is threaded onto the threaded rod. The bottom ends of the two sliding top blocks are fixed to the connecting plate. The adjusting rotating block and the threaded rod are rotatably extended in the mounting base.
[0009] Preferably, the adjusting block is provided with several limiting rings at equal intervals, and the limiting rings are rotatably engaged with the mounting base.
[0010] Preferably, two guide posts are symmetrically arranged on both sides of the mounting base, and guide holes for cooperating with the guide posts are provided on the connecting plate.
[0011] Compared with the prior art, the beneficial effects of this utility model are as follows: In this utility model, the fixed cooperation between the snap-fit limiting component and the limiting hole and L-shaped slot makes it easier to reduce the types of docking and fixing structures in the sampling kit, further improving the portability of the sampling kit. This enables the sampling kit to be easily disassembled and carried. Furthermore, the setting of the sampling sleeve and the perforated sleeve facilitates the opening of the rock layer and the pressing and extraction of the rock core, improving the stability of the rock core extraction. This enables the rock core to be prevented from falling out during extraction. Ultimately, this solves the problem that the existing sampling kits require the use of an external sleeve and a pin connection to the external sleeve, resulting in a large number of components and assembly tools, making the sampling kit inconvenient to store and carry. Attached Figure Description
[0012] The accompanying drawings, which are included to provide a further understanding of the present invention and form part of this application, illustrate exemplary embodiments of the present invention and, together with the description thereof, serve to explain the present invention and do not constitute an undue limitation thereof. In the drawings:
[0013] Figure 1 This is a three-dimensional structural diagram of the overall installation sampling sleeve proposed in this utility model;
[0014] Figure 2 This is a three-dimensional structural diagram of the overall mounting perforated sleeve proposed in this utility model;
[0015] Figure 3 This is a schematic diagram of the three-dimensional structure of the L-shaped card slot proposed in this utility model;
[0016] Figure 4 This is a three-dimensional structural diagram of the sampling handle proposed in this utility model;
[0017] Figure 5 This is a cross-sectional three-dimensional structural diagram of the sampling handle proposed in this utility model;
[0018] Figure 6 This is a schematic diagram of the structure of region A proposed in this utility model;
[0019] Figure 7 This is a three-dimensional structural diagram of the pipe connection state proposed in this utility model.
[0020] The numbers in the diagram are: 1. Sampling handle; 2. Connecting pipe; 3. Sampling sleeve; 4. Hole-opening connector; 5. Hole-opening sleeve; 6. L-shaped groove; 7. Limiting hole; 8. Connecting pipe; 9. Adjusting rotating block; 10. Sliding top block; 11. Connecting plate; 12. Guide column; 13. Limiting retaining ring; 14. Threaded rod; 15. Mounting base. Detailed Implementation
[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0022] Example: See Figure 1-6This utility model discloses a portable core sampling kit, comprising a connecting pipe 2. The upper end of the connecting pipe 2 is selectively snapped with a hole-opening connector 4 for connecting a hole-opening device. Additionally, the upper end of the connecting pipe 2 is selectively snapped with a sampling handle 1. The bottom end of the connecting pipe 2 is selectively threaded with a sampling sleeve 3, and the bottom end of the connecting pipe 2 is selectively threaded with a hole-opening sleeve 5. When the two connecting pipes 2 are joined, they are interlocked and fixed. The universal fixing structure at the upper and lower ends of the connecting pipe 2 allows for better adaptation and assembly of various different devices, facilitating combination and installation with different equipment for various operations, such as hole opening and rock sampling. The sampling sleeve 3 has a peripheral wall... Four pressure plates are equidistantly arranged, all protruding inwards towards the sampling sleeve 3. Friction grooves are equidistantly formed at the end of the perforated sleeve 5. The pressure plates on the sampling sleeve 3 allow them to be embedded into the sampling area when the sleeve is lifted, facilitating the compression and secure sampling of the rock column and preventing it from falling. The perforated sleeve 5 also allows for better breaking of the rock strata and the formation of a sample rock column with a specific diameter. An L-shaped groove 6 penetrating the pipe wall is formed on the upper wall of the connecting pipe 2. Two non-penetrating limiting holes 7 are spaced apart on the upper wall of the connecting pipe 2, located within the L-shaped groove. On the periphery of 6, the L-shaped slot 6 allows for more flexible connection of various connecting components; the bottom ends of the sampling handle 1, the hole connector 4, and part of the connecting pipe 2 are all provided with connecting pipes 8, and each connecting pipe 8 is provided with a locking and limiting component for locking with the limiting hole 7 located in the L-shaped slot 6. The locking and limiting component consists of an adjusting rotating block 9, two sliding top blocks 10, and a mounting base 15. The lower end of the adjusting rotating block 9 is provided with a threaded rod 14, and a connecting plate 11 is threadedly connected to the threaded rod 14. The bottom ends of the two sliding top blocks 10 are fixed to the connecting plate 11. The adjusting rotating block 9 and the threaded rod 14 are rotatably extended in the mounting base 15, and the locking and limiting component is used to lock the connection. The sliding top block 10 is fixedly engaged with the limiting hole 7, thereby preventing the L-shaped slot 6 from loosening its engagement with the adjusting rotating block 9 and the mounting base 15. Several limiting retaining rings 13 are equidistantly protruding on the adjusting rotating block 9. The limiting retaining rings 13 are rotatably engaged with the mounting base 15. The setting of the limiting retaining rings 13 can better fix the adjusting rotating block 9 and the threaded rod 14, and provide support for the rotation of the threaded rod 14. Two guide posts 12 are symmetrically arranged on both sides of the mounting base 15. The connecting plate 11 is provided with guide holes for cooperating with the guide posts 12. The setting of the guide posts 12 can facilitate the connecting plate 11 to drive the sliding top block 10 to slide and extend.
[0023] Working principle: When using this utility model, firstly, select the length of the connecting pipe 2 according to the requirements. The connecting pipes 2 are fixed together by the snap-fit limiting component, the limiting hole 7, and the L-shaped slot 6. Next, thread the opening sleeve 5 onto the bottom connecting pipe 2, and install the opening connector 4 onto the bottom connecting pipe 2 by snap-fit limiting component. Then, install the assembled kit onto the opening device. Next, rotate and grind the rock strata in the sampling area. After the rotation and grinding is completed, replace the opening connector 4 and the upper device with the sampling handle 1, and replace the opening sleeve 5 with the sampling sleeve 3. Then, insert the combined device into the opening, extend it to the bottom, and pull it out. The combined device, with the pressure plate on the sampling sleeve 3, can embed the pressure plate into the sampling part when the sampling sleeve 3 is lifted, so as to press and secure the rock column for sampling, and prevent the sampled rock column from falling. If the rock core is too hard, it can be pried out with a pry bar. The perforated sleeve 5 can better break the rock layer and form a sampled rock column with a certain diameter on the rock layer. The locking and limiting component can fix the sliding top block 10 and the limiting hole 7, thereby preventing the L-shaped slot 6 from loosening its locking with the adjusting rotating block 9 and the mounting seat 15. Then, the above operation is repeated to sample until the sampling of the area is completed.
[0024] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.
Claims
1. A portable core sampling kit, comprising a connecting tube (2), characterized in that: The upper end of the connecting pipe (2) is selectively snapped with a hole-opening connector (4) for connecting the hole-opening device. In addition, the upper end of the connecting pipe (2) is selectively snapped with a sampling handle (1). The bottom end of the connecting pipe (2) is selectively threaded with a sampling sleeve (3). In addition, the bottom end of the connecting pipe (2) is selectively threaded with a hole-opening sleeve (5). When the two connecting pipes (2) are connected, they are snapped together and fixed.
2. The portable core sampling kit according to claim 1, characterized in that: The sampling sleeve (3) has four pressure plates equidistantly arranged on its peripheral sidewall. All four pressure plates are inclined and protrude towards the inside of the sampling sleeve (3). The end of the perforated sleeve (5) is provided with friction grooves equidistantly arranged.
3. The portable core sampling kit according to claim 2, characterized in that: The upper end wall of the connecting pipe (2) is provided with an L-shaped groove (6) that penetrates the pipe wall. The upper end wall of the connecting pipe (2) is provided with two limiting holes (7) that do not penetrate the pipe wall. The limiting holes (7) are located on the periphery of the L-shaped groove (6).
4. A portable core sampling kit according to claim 3, characterized in that: The bottom ends of the sampling handle (1), the hole connector (4) and part of the connecting pipe (2) are all provided with connecting pipes (8). The connecting pipes (8) are all provided with a locking and limiting component for locking with the limiting hole (7) located in the L-shaped slot (6). The locking and limiting component consists of an adjusting rotating block (9), two sliding top blocks (10), and a mounting base (15). The lower end of the adjusting rotating block (9) is provided with a threaded rod (14). A connecting plate (11) is threaded onto the threaded rod (14). The bottom ends of the two sliding top blocks (10) are fixed to the connecting plate (11). The adjusting rotating block (9) and the threaded rod (14) are rotatably extended in the mounting base (15).
5. A portable core sampling kit according to claim 4, characterized in that: The adjusting block (9) is provided with several equidistant limiting rings (13), which are rotatably engaged with the mounting base (15).
6. A portable core sampling kit according to claim 5, characterized in that: The mounting base (15) has two guide posts (12) symmetrically arranged on both sides, and the connecting plate (11) has guide holes for cooperating with the guide posts (12).