High-temperature and high-pressure graphite sealing ring

Abstract

The utility model relates to the technical field of sealing rings and discloses a high-temperature and high-pressure graphite sealing ring which comprises a first arc-shaped piece and a second arc-shaped piece, the first arc-shaped piece and the second arc-shaped piece are spliced to form an annular structure, and connecting grooves are formed in the outer sides of the two ends of the first arc-shaped piece and the outer sides of the two ends of the second arc-shaped piece. A same connecting piece is arranged in every two adjacent connecting grooves, two first magnetic blocks are symmetrically and fixedly arranged on the side wall of each connecting piece, mounting grooves are formed in the inner side walls of the connecting grooves, second magnetic blocks are fixedly arranged in the mounting grooves, and the first magnetic blocks and the second magnetic blocks are arranged in a magnetic attraction mode. According to the graphite sealing ring, the fixed connecting structures are arranged at the joints of the split type graphite sealing rings, so that the graphite sealing rings can be tightly connected, and the sealing performance of the graphite sealing rings is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of sealing rings, in particular to a high-temperature and high-pressure graphite sealing ring. Background Art

[0002] Graphite sealing rings are made of low-sulfur expanded graphite through molding. They have precise dimensions and adjustable density without any external fillers or adhesives. They have all the characteristics of expanded graphite and can withstand higher temperatures and pressures.

[0003] For example, the disclosure (announcement) number: CN220151526U discloses a graphite sealing ring for a water pump, including a sealing assembly and a thickening assembly, wherein the sealing assembly includes an upper sealing ring, a connecting groove symmetrically opened at the bottom of the upper sealing ring, a lower sealing ring installed at the bottom of the upper sealing ring, and a connecting block symmetrically installed at the top of the lower sealing ring, and the thickening assembly includes a thickening sheet installed on one side of the upper sealing ring and the lower sealing ring.

[0004] In the above solution, the graphite sealing ring is provided in two halves, which makes the installation of the sealing ring more convenient, but the sealing ring cannot be tightly connected after docking, thereby greatly reducing the sealing performance of the sealing ring. Utility Model Content

[0005] The purpose of the utility model is to solve the problem of poor sealing performance of the split sealing ring in the prior art and to propose a high-temperature and high-pressure graphite sealing ring.

[0006] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0007] A high-temperature and high-pressure graphite sealing ring includes a first arc-shaped member and a second arc-shaped member. The first arc-shaped member and the second arc-shaped member are spliced into an annular structure. Connecting grooves are provided on the outer sides of both ends of the first arc-shaped member and the outer sides of both ends of the second arc-shaped member. The same connecting member is provided inside two adjacent connecting grooves. Two first magnetic blocks are symmetrically fixed on the side walls of the connecting member. An installation groove is provided on the inner side wall of the connecting groove. A second magnetic block is fixed inside the installation groove. The first magnetic block and the second magnetic block are magnetically adsorbed.

[0008] Preferably, sealing plugs are fixedly provided at both ends of the first arc-shaped member, and sealing slots matching with the sealing plugs are provided at both ends of the second arc-shaped member.

[0009] Preferably, the connecting member adopts an arc-shaped structure, and the curvature of the side wall of the connecting member is the same as the curvature of the side wall of the first arc-shaped member and the curvature of the side wall of the second arc-shaped member.

[0010] Preferably, two finger pinching grooves are symmetrically provided on the outer side wall of the connecting piece.

[0011] Preferably, the material of the connecting member is the same as that of the first arc-shaped member and the second arc-shaped member.

[0012] Preferably, the first magnetic block and the connecting member, as well as the second magnetic block and the first curved member and the second curved member are fixedly bonded by glue.

[0013] Compared with the prior art, the present invention provides a high-temperature and high-pressure graphite sealing ring with the following beneficial effects:

[0014] 1. The high-temperature and high-pressure graphite sealing ring is provided with a connecting piece, a first magnetic block and a second magnetic block between the first arc-shaped piece and the second arc-shaped piece. After the first arc-shaped piece and the second arc-shaped piece are docked, the connecting piece is inserted into the interior of the connecting groove, and the first magnetic block and the second magnetic block are magnetically adsorbed, so that the connecting piece is firmly installed in the interior of the connecting groove, thereby stably connecting the first arc-shaped piece and the second arc-shaped piece, thereby improving the sealing effect.

[0015] 2. The high-temperature and high-pressure graphite sealing ring has a sealing plug and a sealing slot arranged between the first arc-shaped member and the second arc-shaped member. When the first arc-shaped member and the second arc-shaped member are docked, the sealing plug and the sealing slot are plugged in and matched, which can increase the sealing performance of the connection between the first arc-shaped member and the second arc-shaped member and improve the sealing effect of the sealing ring.

[0016] The parts not involved in the device are the same as the existing technology or can be implemented by using the existing technology. The utility model provides a fixed connection structure at the connection of the split graphite sealing ring, so that the graphite sealing ring can be tightly connected, thereby improving the sealing performance of the graphite sealing ring. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a three-dimensional diagram of a high-temperature and high-pressure graphite sealing ring proposed by the present invention;

[0018] Figure 2 This is a cross-sectional view of a high-temperature and high-pressure graphite sealing ring proposed by the present invention;

[0019] Figure 3 for Figure 2 A magnified view of the structure of part A in the middle.

[0020] In the figure: 1. First arc-shaped member; 2. Second arc-shaped member; 3. Connecting groove; 4. Connecting member; 5. First magnetic block; 6. Mounting groove; 7. Second magnetic block; 8. Sealing insert; 9. Sealing slot; 10. Finger pinch groove. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0022] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0023] Example 1

[0024] Reference Figure 1-3 A high-temperature and high-pressure graphite sealing ring includes a first arc-shaped member 1 and a second arc-shaped member 2. The first arc-shaped member 1 and the second arc-shaped member 2 are spliced into a ring structure. The outer sides of both ends of the first arc-shaped member 1 and the outer sides of both ends of the second arc-shaped member 2 are provided with connecting grooves 3. The insides of the two adjacent connecting grooves 3 are provided with the same connecting member 4. The side walls of the connecting member 4 are symmetrically fixed with two first magnetic blocks 5. The inner side walls of the connecting grooves 3 are provided with mounting grooves 6. The inside of the mounting grooves 6 is fixed with a second magnetic block 7. The first magnetic block 5 and the second magnetic block 7 are magnetically attracted to each other. Attached, the first magnetic block 5 and the connecting member 4, as well as the second magnetic block 7 and the first curved member 1 and the second curved member 2 are fixed and bonded with glue. The connecting member 4 adopts an arc-shaped structure. The curvature of the side wall of the connecting member 4 is the same as the curvature of the side wall of the first curved member 1 and the curvature of the side wall of the second curved member 2. Two finger pinching grooves 10 are symmetrically provided on the outer wall of the connecting member 4. The material of the connecting member 4 is the same as that of the first curved member 1 and the second curved member 2, and both are made of graphite. The graphite material has high high temperature and high pressure resistance.

[0025] After the first curved member 1 and the second curved member 2 are docked, the connecting member 4 is inserted into the connecting groove 3, and the first magnetic block 5 and the second magnetic block 6 are magnetically adsorbed, so that the connecting member 4 is firmly installed in the connecting groove 3, thereby enabling the first curved member 1 and the second curved member 2 to be stably connected, and the first curved member 1 and the second curved member 2 are not prone to loosening, thereby improving the sealing effect.

[0026] Example 2

[0027] Reference Figure 2-3Both ends of the first arc-shaped member 1 are fixed with sealing plug-ins 8, and both ends of the second arc-shaped member 2 are provided with sealing slots 9 that match the sealing plug-ins 8. When the first arc-shaped member 1 and the second arc-shaped member 2 are docked, the sealing plug-ins 8 and the sealing slots 9 are plugged in and matched, which can increase the sealing performance of the connection between the first arc-shaped member 1 and the second arc-shaped member 2 and improve the sealing effect of the sealing ring.

[0028] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A high-temperature and high-pressure graphite sealing ring, comprising a first arc-shaped member (1) and a second arc-shaped member (2), characterized in that: The first arc-shaped member (1) and the second arc-shaped member (2) are spliced to form an annular structure. Connecting grooves (3) are provided on the outer sides of both ends of the first arc-shaped member (1) and the outer sides of both ends of the second arc-shaped member (2). The same connecting member (4) is provided inside two adjacent connecting grooves (3). Two first magnetic blocks (5) are symmetrically fixed on the side walls of the connecting member (4). An installation groove (6) is provided on the inner side walls of the connecting groove (3). A second magnetic block (7) is fixed inside the installation groove (6). The first magnetic block (5) and the second magnetic block (7) are arranged by magnetic adsorption.

2. A high temperature and high pressure graphite sealing ring according to claim 1, characterized in that: Sealing plugs (8) are fixedly provided at both ends of the first arc-shaped member (1), and sealing slots (9) matching with the sealing plugs (8) are provided at both ends of the second arc-shaped member (2).

3. The high-temperature and high-pressure graphite sealing ring according to claim 1, characterized in that: The connecting member (4) adopts an arc-shaped structure, and the curvature of the side wall of the connecting member (4) is the same as the curvature of the side wall of the first arc-shaped member (1) and the curvature of the side wall of the second arc-shaped member (2).

4. The high-temperature and high-pressure graphite sealing ring according to claim 1, characterized in that: Two finger pinching grooves (10) are symmetrically formed on the outer side wall of the connecting piece (4).

5. The high-temperature and high-pressure graphite sealing ring according to claim 1, characterized in that: The material of the connecting member (4) is the same as that of the first arc-shaped member (1) and the second arc-shaped member (2).

6. The high-temperature and high-pressure graphite sealing ring according to claim 1, characterized in that: The first magnetic block (5) and the connecting member (4), as well as the second magnetic block (7) and the first arc-shaped member (1) and the second arc-shaped member (2) are fixedly bonded by glue.

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