Rock core holder
By designing an adjustable support plate structure in the core holder, the problem of inconvenient fixing of the support frame in the prior art is solved, the folding and height adjustment of the support plate is realized, and the portability and stability of the equipment are improved.
Patent Information
- Application Number
- CN202421321887.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-11
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-06-11
AI Technical Summary
The fixed installation of the support frame of the existing core holder results in inconvenient use and transportation, and it covers a large area and is difficult to fold and store.
A structure including a core holder body, connecting block, support plate and insertion rod is designed. Through the cooperation of insertion rod and positioning bolts, the support plate can be tilted and rotated, the support height can be adjusted, and the storage groove and extension plate can be used. Combination to achieve folding and expansion of the support plate.
It effectively reduces the floor area of the support plate, facilitates the handling and storage of core holders, and improves the stability of equipment use.
Smart Images
Figure CN222212579U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of core clamps, in particular to a core clamp. Background Art
[0002] The core holder is an important tool used in the laboratory to determine the seepage characteristics of rock samples or conduct displacement tests. Its function is to clamp and protect rock samples and seal the cylindrical surface or end surface (usually the end surface with fluid inlet and outlet left). The core holder is an indispensable and important auxiliary component in the development of experimental instruments. The core holder is mainly used in geological exploration and related development research of oil and natural gas. By taking cores from the target formation, the core-related permeability, porosity and other formation damage related tests are completed in the core holder, so as to obtain the various physical properties of the core and fluid, and further reflect the relevant characteristics of the formation. The purpose of the core holder is relatively single, which is mainly to clamp and stabilize the core, control various simulated formation parameters and form a closed space, complete various simulated environment tests and obtain test parameters.
[0003] At present, during the use of the core clamp in the prior art, the support frame provided at the bottom of the existing core clamp is mostly installed in a fixed form. The support frame is used to support the core clamp, which is inconvenient to fold and store the support frame to reduce the floor space of the support frame, which easily leads to inconvenience in transporting the core clamp. In order to solve this technical problem, the utility model proposes a core clamp. Utility Model Content
[0004] The main purpose of the utility model is to provide a core clamp which can effectively solve the problems mentioned in the background technology.
[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:
[0006] A core clamp comprises a core clamp body, a connecting block and a support plate, wherein a No. 2 through hole is formed inside the support plate, a slide groove is formed inside the support plate, and the slide groove is an L-shaped groove, a No. 3 through hole is formed inside the support plate, a positioning bolt is provided through the internal thread of the connecting block, and the positioning bolt movably passes through the interior of the slide groove, a No. 1 through hole is formed inside the connecting block, an insertion rod is provided inside the No. 1 through hole, and the diameter of the insertion rod is smaller than the diameters of the No. 2 and No. 3 through holes.
[0007] Preferably, the connection block is connected and installed at the bottom end of the core holder body, a coupling groove is provided inside the connection block, and one end of the support plate is movably located inside the coupling groove.
[0008] Preferably, support frames are provided on both sides of the connection block, a spring is provided on the outer side of the insertion rod, and the spring is connected to the top inner wall of the support frame.
[0009] Preferably, the insertion rod movably passes through the interior of the support frame, and a connecting frame is provided at the top end of the insertion rod, and the connecting frame is a U-shaped plate.
[0010] Preferably, a storage groove is provided through the interior of the support plate, a blocking frame is provided on the inner wall of the storage groove, and an extension plate is movably provided inside the storage groove.
[0011] Preferably, the middle end of the positioning bolt is cylindrical and the bottom end is threaded, and the extension plate is an L-shaped plate.
[0012] Compared with the prior art, the utility model has the following beneficial effects:
[0013] In the utility model, by providing components such as a support plate, after the insertion rod is inserted into the No. 1 through hole and the No. 2 through hole, the support plate can be made to support the core clamp body in an inclined "eight" shape. After the insertion rod in the No. 2 through hole is pulled out, the smooth surface of the middle part of the positioning bolt is used to limit the movement of the slide groove provided in the support plate, so that the support plate can be rotated 90 degrees to lie flat. At this time, the insertion rod in the No. 1 through hole is inserted into the No. 3 through hole in the support plate to position the support plate, so that the support height of the core clamp body can be adjusted according to the use requirements, effectively reducing the area and space occupied by the support plate, and facilitating the subsequent transportation and transfer of the core clamp body.
[0014] In the utility model, by providing components such as extension plates, two groups of extension plates can be stored by using a storage groove, and the two groups of extension plates can slide out a certain length inside the storage groove, and the extension length of the extension plates can be limited by using a blocking frame, thereby effectively increasing the support area of the support plate and improving the stability of the core clamp body. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a schematic diagram of the overall structure of a core holder of the utility model;
[0016] Figure 2 This is a schematic diagram of the structure of a core holder body of a core holder of the utility model;
[0017] Figure 3 This is a schematic diagram of the connecting block structure of a core clamp of the utility model;
[0018] Figure 4 This is a schematic diagram of the support plate structure of a core clamp of the utility model;
[0019] Figure 5This is a schematic structural diagram of a core clamp of the utility model after the support plate is adjusted in angle;
[0020] Figure 6 The utility model is a core clamp Figure 1 Schematic diagram of the local structure enlarged at point A.
[0021] In the figure: 1. core holder body; 2. connecting block; 3. engaging groove; 4. positioning bolt; 5. through hole No. 1; 6. insert rod; 7. spring; 8. support frame; 9. connecting frame; 10. support plate; 11. through hole No. 2; 12. slide groove; 13. through hole No. 3; 14. storage groove; 15. extension plate; 16. blocking frame. DETAILED DESCRIPTION
[0022] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.
[0023] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 As shown, a core holder;
[0024] The core clamp body 1 includes a connecting block 2 and a supporting plate 10. A No. 2 through hole 11 is formed inside the supporting plate 10. A slide groove 12 is formed inside the supporting plate 10, and the slide groove 12 is an L-shaped groove. A No. 3 through hole 13 is formed inside the supporting plate 10. A positioning bolt 4 is provided on the internal thread of the connecting block 2, and the positioning bolt 4 movably passes through the interior of the slide groove 12. A No. 1 through hole 5 is formed inside the connecting block 2, and an insert rod 6 is provided inside the No. 1 through hole 5, and the diameter of the insert rod 6 is smaller than the diameter of the No. 2 through hole 11 and the No. 3 through hole 13. The connecting block 2 is connected and installed on the bottom end of the core clamp body 1, and a joint groove 3 is formed inside the connecting block 2.
[0025] The connecting block 2 is connected and installed at the bottom end of the core clamp body 1. The connecting block 2 provides a space for the joint groove 3, and two groups of joint grooves 3 are inclinedly opened inside the connecting block 2. The positioning bolt 4 movably penetrates the slide groove 12 opened inside the support plate 10, and the thread at the bottom end of the positioning bolt 4 is threadedly connected with the connecting block 2. The supporting plate 10 can be movably installed inside the joint groove 3 by using the positioning bolt 4. After the second through hole 11 opened inside the supporting plate 10 is connected with one group of the first through holes 5 opened inside the connecting block 2, the insertion rod 6 is inserted into the first through hole 5 and the second through hole 11. The support plate 10 can be made to support the core clamp body 1 in an inclined "eight" shape. After the insertion rod 6 in the No. 2 through hole 11 is pulled out, the slide groove 12 provided in the support plate 10 is limitedly moved by the positioning bolt 4, so that the support plate 10 can be rotated 90 degrees to lie flat. At this time, the insertion rod 6 in the No. 1 through hole 5 is inserted into the No. 3 through hole 13 in the support plate 10 to position the support plate 10, so that the support height of the core clamp body 1 can be adjusted according to the use requirements, effectively reducing the floor space and space occupied by the support plate 10, and facilitating the subsequent transportation and transfer of the core clamp body 1.
[0026] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 As shown, a core holder;
[0027] One end of the support plate 10 is movably located inside the joint groove 3, support frames 8 are arranged on both sides of the connecting block 2, a spring 7 is arranged on the outer side of the insertion rod 6, and the spring 7 is connected to the top inner wall of the support frame 8, the insertion rod 6 is movably passed through the interior of the support frame 8, and a connecting frame 9 is arranged on the top of the insertion rod 6, and the connecting frame 9 is a U-shaped plate.
[0028] The core clamp body 1 is an important tool in the laboratory for measuring the seepage characteristics of rock samples or conducting displacement tests. The two ends of the spring 7 are used to connect the insertion rod 6 and the support frame 8. The connecting frame 9 is used to connect the two groups of insertion rods 6. When the connecting frame 9 is pulled, the spring 7 can be deformed. Utilizing the elastic effect of the spring 7, the spring 7 can push the insertion rod 6 to extend into the inside of the joint groove 3.
[0029] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 As shown, a core holder;
[0030] A receiving groove 14 is provided inside the support plate 10, a blocking frame 16 is provided on the inner wall of the receiving groove 14, an extension plate 15 is movably provided inside the receiving groove 14, the middle end of the positioning bolt 4 is cylindrical and the bottom end is threaded, and the extension plate 15 is an L-shaped plate.
[0031] The storage groove 14 is opened inside the support plate 10, and the two groups of extension plates 15 can be stored by the storage groove 14. The two groups of extension plates 15 slide out a certain length inside the storage groove 14, and the blocking frame 16 can be used to limit the extension length of the extension plate 15, thereby effectively increasing the support area of the support plate 10 and improving the stability of the core clamp body 1.
[0032] When in use, the support plate 10 can be movably installed in the interior of the joint groove 3 by using the positioning bolt 4. After the insertion rod 6 is inserted into the No. 1 through hole 5 and the No. 2 through hole 11, the support plate 10 can be supported in an inclined "eight" shape on the core clamp body 1. After the insertion rod 6 in the No. 2 through hole 11 is pulled out, the positioning bolt 4 is used to limit the movement of the slide groove 12 opened in the support plate 10, so that the support plate 10 can be rotated 90 degrees to lie flat. At this time, the insertion rod 6 in the No. 1 through hole 5 is inserted into the No. 3 through hole 13 in the support plate 10 to position the support plate 10, so as to facilitate the adjustment of the support height of the core clamp body 1 according to the use requirements, effectively reduce the floor space and space occupied by the support plate 10, and facilitate the subsequent handling and transfer of the core clamp body 1;
[0033] The two groups of extension plates 15 can be stored in the storage groove 14. The two groups of extension plates 15 can slide out a certain length inside the storage groove 14, and the blocking frame 16 can be used to limit the extension length of the extension plates 15, thereby effectively increasing the support area of the support plate 10 and improving the stability of the core clamp body 1.
[0034] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.
Claims
1. A core holder, comprising a core holder body (1), a connecting block (2) and a supporting plate (10), characterized in that: The support plate (10) is provided with a No. 2 through hole (11) therein, the support plate (10) is provided with a slide groove (12) therein, and the slide groove (12) is an L-shaped groove, the support plate (10) is provided with a No. 3 through hole (13) therein, the internal thread of the connecting block (2) is provided with a positioning bolt (4), and the positioning bolt (4) movably passes through the interior of the slide groove (12), the connecting block (2) is provided with a No. 1 through hole (5) therein, the No. 1 through hole (5) is provided with an insertion rod (6), and the diameter of the insertion rod (6) is smaller than the diameters of the No. 2 through hole (11) and the No. 3 through hole (13).
2. A core holder according to claim 1, characterized in that: The connection block (2) is connected and installed at the bottom end of the core holder body (1); a coupling groove (3) is provided inside the connection block (2); and one end of the support plate (10) is movably located inside the coupling groove (3).
3. A core holder according to claim 1, characterized in that: Support frames (8) are arranged on both sides of the connection block (2), a spring (7) is arranged on the outer side of the insertion rod (6), and the spring (7) is connected to the top inner wall of the support frame (8).
4. A core holder according to claim 3, characterized in that: The insertion rod (6) movably penetrates the interior of the support frame (8), and a connecting frame (9) is provided at the top end of the insertion rod (6), and the connecting frame (9) is a U-shaped plate.
5. A core holder according to claim 1, characterized in that: A receiving groove (14) is provided through the interior of the support plate (10), a blocking frame (16) is provided on the inner wall of the receiving groove (14), and an extension plate (15) is movably provided inside the receiving groove (14).
6. A core holder according to claim 5, characterized in that: The middle end of the positioning bolt (4) is cylindrical and the bottom end is threaded, and the extension plate (15) is an L-shaped plate.