High-sealing-performance spacer ring for membrane disc installation

Abstract

The utility model belongs to the technical field of distance rings, particularly relates to a high-sealing-performance distance ring for mounting a membrane disc, and aims to solve the problems that the distance ring for mounting the membrane disc is provided with a mounting hole corresponding to a connecting flange for positioning and mounting, but the distance ring is generally of an integrated metal structure, so that the sealing performance of the whole structure is not ideal enough. Comprising a metal spacer ring body, a butt joint ring is integrally formed on the inner wall of the metal spacer ring body, the two ends of the butt joint ring penetrate through an inner opening of the metal spacer ring body, and a plurality of first mounting holes are formed in the metal spacer ring body in an annular array mode. When the metal spacer ring is used, the sealing performance between the outer wall of the butt joint ring and the inner wall of a shaft tube and the sealing performance between the metal spacer ring body and the side wall of a connecting flange are improved through the arrangement of the first sealing ring and the second sealing ring, and through the clamping structures of the wide protruding ring and the wide clamping groove, the first narrow protruding ring and the first narrow clamping groove and the second narrow protruding ring and the second narrow clamping groove, the sealing performance is improved. And the stable installation and the sealing effect of the sealing ring are ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of spacer rings, in particular to a high-sealing spacer ring for installing a membrane disc. Background Art

[0002] Diaphragm discs play a key functional role in many devices, such as in some power transmission systems or sealing systems. High-sealing spacer rings are indispensable components in diaphragm disc installation. Their main purpose is to ensure the sealing of the diaphragm disc installation point and prevent medium leakage. They may also play other roles such as positioning and buffering.

[0003] Currently, the spacer ring used for installing the membrane disc is provided with mounting holes corresponding to the connecting flange for positioning and installation. However, the spacer ring is usually an integrated metal structure, resulting in less than ideal sealing performance of the overall structure.

[0004] In response to the above problems, the present utility model document proposes a high-sealing spacer ring for installing a membrane disc. Utility Model Content

[0005] The utility model provides a high-sealing spacer ring for mounting a membrane disc, which solves the problem in the prior art that the spacer ring for mounting the membrane disc is provided with mounting holes corresponding to the connecting flange for positioning and installation, but the spacer ring is usually an integrated metal structure, resulting in less than ideal sealing performance of the overall structure.

[0006] The utility model provides the following technical solutions:

[0007] A high-sealing spacer ring for mounting a diaphragm disk, comprising:

[0008] A metal septum ring body, wherein a docking ring is integrally formed on the inner wall of the metal septum ring body, both ends of the docking ring pass through the inner opening of the metal septum ring body, and the metal septum ring body is provided with a plurality of first mounting holes in an annular array;

[0009] A first sealing member is provided on the docking ring and is used to improve the sealing performance between the outer wall of the docking ring and the inner wall of the shaft tube;

[0010] The second sealing member is provided on the metal spacer ring body and is used to improve the sealing performance between the metal spacer ring body and the side wall of the connecting flange.

[0011] In a possible design, the first sealing component includes two first sealing rings sleeved on the outer walls at both ends of the docking ring, a wide convex ring is integrally formed on the inner wall of the first sealing ring, and a wide groove for clamping the corresponding wide convex ring is provided on the outer wall of the docking ring.

[0012] In one possible design, the second sealing member includes two second sealing rings symmetrically arranged on both sides of the metal spacer ring body, and a first narrow convex ring and a second narrow convex ring are integrally formed on the inner wall of the second sealing ring, and a first narrow clamping groove and a second narrow clamping groove are provided on the side wall of the metal spacer ring body for clamping the corresponding first narrow convex ring and the second narrow convex ring.

[0013] In a possible design, a second mounting hole corresponding to the position of the first mounting hole is provided on the second sealing ring.

[0014] In a possible design, a plurality of positioning protrusions are fixedly provided in an annular array on the outer wall of the first sealing ring, and a docking groove for engaging with corresponding positioning protrusions is provided on the side wall of the second sealing ring.

[0015] In a possible design, the surface of the metal spacer ring body is covered with a waterproof coating.

[0016] In a possible design, surfaces of the first sealing ring and the second sealing ring are both covered with a corrosion-resistant coating.

[0017] It should be understood that the above general description and the following detailed description are merely illustrative and do not limit the present invention.

[0018] The working principle and usage process of this technical solution are as follows:

[0019] When using, first confirm the specifications and dimensions of the diaphragm disc, shaft tube, connecting flange and other related components to ensure the applicability of the high-sealing spacer ring, and check the integrity of the metal spacer ring body, docking ring, first mounting hole and other components to ensure that there is no damage or deformation. Then, respectively, put the two first sealing rings on the outer walls at both ends of the docking ring, and ensure that the wide convex ring is correctly engaged with the wide groove on the outer wall of the docking ring to form a preliminary sealing structure. Then, symmetrically arrange the two second sealing rings on both sides of the metal spacer ring body, and ensure that the first narrow convex ring and the second narrow convex ring are correctly engaged with the first narrow groove and the second narrow groove on the side wall of the metal spacer ring body respectively.

[0020] Then dock the metal spacer ring body with the shaft tube, ensure that the docking ring fits tightly against the inner wall of the shaft tube, use bolts and other fasteners to fix the metal spacer ring body to the shaft tube through the first mounting hole, and dock the connecting flange with the metal spacer ring body, ensure that the second sealing ring fits tightly against the side wall of the connecting flange, use bolts and other fasteners to fix the connecting flange to the metal spacer ring body through the first mounting hole and the second mounting hole. After the installation is completed, check the sealing performance of the spacer ring to ensure that there is no leakage. If necessary, perform pressure testing or other related tests to verify the sealing and durability of the spacer ring.

[0021] The utility model has the following beneficial effects:

[0022] The utility model improves the sealing between the outer wall of the docking ring and the inner wall of the shaft tube and between the metal spacer ring body and the side wall of the connecting flange by arranging the first sealing ring and the second sealing ring, and the clamping structure of the wide convex ring and the wide groove, the first narrow convex ring and the first narrow groove, and the second narrow convex ring and the second narrow groove ensures the stable installation and sealing effect of the sealing ring.

[0023] The provision of the positioning protrusion and the docking groove in the utility model helps to keep the two sealing rings aligned during the installation process to prevent dislocation; the waterproof coating covering the surface of the metal spacer ring body improves the waterproof performance of the spacer ring and extends its service life; the corrosion-resistant coating covering the surface of the first sealing ring and the second sealing ring enhances the corrosion resistance of the sealing ring and is suitable for various harsh environments.

[0024] The utility model ensures high sealing and durability under various working conditions through careful structural design and material selection, and provides a strong guarantee for the installation and operation of the membrane disc. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 A schematic diagram of the three-dimensional structure of a high-sealing spacer ring for mounting a membrane disc provided by an embodiment of the present utility model;

[0026] Figure 2 A schematic diagram of the disassembled structure of a high-sealing spacer ring for mounting a membrane disc provided by an embodiment of the present utility model;

[0027] Figure 3 A schematic diagram of the separation structure of a metal spacer ring body and a docking ring of a high-sealing spacer ring for mounting a membrane disk provided by an embodiment of the present utility model;

[0028] Figure 4 This is a schematic diagram of the structure of the second sealing ring of a high-sealing spacer ring for installing a membrane disk provided by an embodiment of the utility model.

[0029] Figure numerals: 1. Metal spacer ring body; 2. Docking ring; 3. First mounting hole; 4. First sealing ring; 5. Wide convex ring; 6. Wide slot; 7. Second sealing ring; 8. Second mounting hole; 9. First narrow convex ring; 10. Second narrow convex ring; 11. First narrow slot; 12. Second narrow slot; 13. Positioning protrusion; 14. Docking groove. DETAILED DESCRIPTION

[0030] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0031] In the description of the present invention, it should be understood that the terms "opening", "upper", "middle", "length", "inner" and the like indicating orientation or positional relationship are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0032] In order to keep the following description of the embodiments of the present invention clear and concise, the present invention omits detailed descriptions of known functions and known components.

[0033] Example 1

[0034] Please refer to Figure 1-4 , a high sealing spacer ring, comprising:

[0035] Metal spacer ring body 1: The body is made of metal material, ensuring the strength and durability of the structure. A docking ring 2 is integrally formed on its inner wall. Both ends of the docking ring 2 pass through the inner opening of the metal spacer ring body 1, providing a basis for docking with the shaft tube. A plurality of first mounting holes 3 are also arranged in a circular array on the surface of the metal spacer ring body 1 to facilitate the installation and fixation of the spacer ring.

[0036] First seal: In order to improve the sealing between the outer wall of the docking ring 2 and the inner wall of the shaft tube, a first seal is provided on the docking ring 2. The first seal specifically includes two first sealing rings 4, which are respectively sleeved on the outer walls at both ends of the docking ring 2. A wide convex ring 5 is integrally formed on the inner wall of each first sealing ring 4, and a wide card groove 6 for clamping these wide convex rings 5 ​​is correspondingly provided on the outer wall of the docking ring 2, thereby ensuring that the first sealing ring 4 can be firmly fixed on the docking ring 2 to form a good sealing effect.

[0037] Second seal: In order to improve the sealing between the metal spacer ring body 1 and the side wall of the connecting flange, a second seal is provided on the metal spacer ring body 1. The second seal includes two second sealing rings 7 symmetrically arranged on both sides of the metal spacer ring body 1. A first narrow convex ring 9 and a second narrow convex ring 10 are integrally formed on the inner wall of each second sealing ring 7. A first narrow card groove 11 and a second narrow card groove 12 for clamping these first narrow convex rings 9 and second narrow convex rings 10 are provided on the side wall of the metal spacer ring body 1, ensuring the stable installation and sealing effect of the second sealing ring 7.

[0038] Second mounting hole 8: In order to facilitate the passage of bolts or other fasteners during the installation process, a second mounting hole 8 corresponding to the position of the first mounting hole 3 is provided on the second sealing ring 7. This not only ensures the convenience of the installation operation, but also enhances the overall connection strength of the spacer ring.

[0039] Positioning protrusions 13 and docking grooves 14: In order to further enhance the stability and mutual positioning between the first sealing ring 4 and the second sealing ring 7, a plurality of positioning protrusions 13 are fixedly arranged in an annular array on the outer wall of the first sealing ring 4, and docking grooves 14 for clamping these positioning protrusions 13 are provided on the side wall of the second sealing ring 7. This design helps to keep the two sealing rings aligned during installation and prevent misalignment during installation or use.

[0040] This application can be used for membrane disc installation, and can also be used in other fields applicable to this application.

[0041] Example 2

[0042] Improvements based on Example 1:

[0043] A high-sealing spacer ring for mounting a diaphragm disc, which is used in the field of spacer rings;

[0044] Please refer to Figure 2 In order to improve the waterproof performance of the spacer ring, the surface of the metal spacer ring body 1 is covered with a waterproof coating. This coating can effectively prevent moisture from invading the interior of the spacer ring and extend its service life. Considering that the spacer ring may be exposed to various corrosive environments, in order to enhance its corrosion resistance, the surfaces of the first sealing ring 4 and the second sealing ring 7 are both covered with a corrosion-resistant coating. This coating not only helps to protect the sealing ring from corrosion damage, but also improves its sealing performance to a certain extent.

[0045] The above are only specific embodiments of the present invention, but the scope of protection of the present invention is not limited to them. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in this utility model should be included in the scope of protection of the present utility model. The embodiments of the present utility model and the features of the embodiments can be combined with each other unless there is a conflict. Therefore, the scope of protection of the present utility model shall be based on the scope of protection of the claims.

Claims

1. A high-sealing spacer ring for mounting a membrane disc, characterized in that: include: A metal spacer ring body (1), wherein a docking ring (2) is integrally formed on the inner wall of the metal spacer ring body (1), both ends of the docking ring (2) pass through the inner opening of the metal spacer ring body (1), and a plurality of first mounting holes (3) are provided on the metal spacer ring body (1) in an annular array; A first sealing member is provided on the docking ring (2) and is used to improve the sealing performance between the outer wall of the docking ring (2) and the inner wall of the shaft tube; The second sealing member is provided on the metal spacer ring body (1) and is used to improve the sealing performance between the metal spacer ring body (1) and the side wall of the connecting flange.

2. A high sealing spacer ring for mounting a membrane disc according to claim 1, characterized in that: The first sealing member comprises two first sealing rings (4) sleeved on the outer walls of both ends of the docking ring (2); a wide convex ring (5) is integrally formed on the inner wall of the first sealing ring (4); and a wide clamping groove (6) for clamping the corresponding wide convex ring (5) is provided on the outer wall of the docking ring (2).

3. A high sealing spacer ring for mounting a membrane disc according to claim 2, characterized in that: The second sealing member comprises two second sealing rings (7) symmetrically arranged on both sides of the metal spacer ring body (1); a first narrow convex ring (9) and a second narrow convex ring (10) are integrally formed on the inner wall of the second sealing ring (7); and a first narrow clamping groove (11) and a second narrow clamping groove (12) for clamping the corresponding first narrow convex ring (9) and second narrow convex ring (10) are provided on the side wall of the metal spacer ring body (1).

4. A high-sealing spacer ring for mounting a membrane disc according to claim 3, characterized in that: The second sealing ring (7) is provided with a second mounting hole (8) corresponding to the position of the first mounting hole (3).

5. A high sealing spacer ring for mounting a membrane disc according to claim 3, characterized in that: A plurality of positioning protrusions (13) are fixedly provided in an annular array on the outer wall of the first sealing ring (4), and a docking groove (14) for engaging corresponding positioning protrusions (13) is provided on the side wall of the second sealing ring (7).

6. A high-sealing spacer ring for mounting a membrane disc according to claim 1, characterized in that: The surface of the metal spacer ring body (1) is covered with a waterproof coating.

7. A high-sealing spacer ring for mounting a membrane disc according to claim 3, characterized in that: The surfaces of the first sealing ring (4) and the second sealing ring (7) are both covered with a corrosion-resistant coating.

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