Valve seat seal ring with adjustable structure

Abstract

The utility model discloses a valve seat sealing ring with adjustable structure relates to valve seat sealing ring technical field, aims at solving the current valve long -term use process will appear abrasion, leads to clearance gradually increases, makes sealing ring performance gradually reduces, leads to the technical problem of valve leakage, including sealing ring, the inside fixed connection of sealing ring has the elastic component for supporting, the elastic component includes the support plate of opposite setting, and the center between opposite two sides support plate fixed connection has the elastic telescopic piece with elastic, the utility model discloses through inside elastic component, and the unique design of elastic telescopic piece through rhombus elastic piece and its inside elastic cavity, when the abrasion, clearance increases of valve long -term use, can be according to the clearance change self -adaptation compression or stretch. Make sealing ring surface can continue closely adhere to the inner wall of valve seat, have telescopic adjustment sealing ring thickness, automatic fill up the wear clearance of valve seat, keep the advantage that the sealing effect is stable.

Description

Technical Field

[0001] This utility model relates to the field of valve seat sealing ring technology, and more specifically, to a valve seat sealing ring with an adjustable structure. Background Technology

[0002] During valve operation, the valve seat seal plays a crucial sealing role, and its sealing performance directly affects the normal operation of the valve as well as the safety and stability of the system. However, existing valve seat seals have many problems in practical applications.

[0003] During long-term use, existing valves inevitably experience wear on components such as the valve seat and ball. As wear intensifies, the gap between the valve seat and ball gradually increases. Traditional valve seat seals, lacking an effective adjustment mechanism, cannot automatically compensate for these wear-induced gaps, leading to a gradual decrease in sealing performance and ultimately valve leakage. Therefore, we propose a valve seat seal with an adjustable structure. Utility Model Content

[0004] The purpose of this utility model is to overcome the shortcomings of the existing technology, adapt to the needs of reality, and provide a valve seat sealing ring with an adjustable structure to solve the technical problem that valves will wear down during long-term use, resulting in a gradual increase in the gap, a gradual decrease in the performance of the sealing ring, and a valve leakage.

[0005] To solve the above-mentioned technical problems, the present invention provides the following technical solution: a valve seat sealing ring with an adjustable structure, comprising a sealing ring, wherein an elastic component for support is fixedly connected inside the sealing ring; The elastic component includes support plates arranged facing each other, and an elastic telescopic member with elasticity is fixedly connected between the centers of the support plates on both sides facing each other. The elastic telescopic component includes an annular fixing plate, both ends of which are integrally formed with annular rhomboid elastic members. The internal structure of the rhomboid elastic members has an elastic cavity, and the opposite sides of the two rhomboid elastic members are integrally formed with connecting strips that are fixedly connected to the support plate.

[0006] This invention utilizes a unique design in its internal elastic component, where the elastic telescopic element, with its diamond-shaped spring and internal elastic cavity, adaptively compresses or expands according to changes in clearance as the valve wears and the clearance increases over long-term use. This ensures that the sealing ring surface maintains a continuous and tight fit against the valve seat's inner wall, automatically filling the gaps caused by wear, preventing leakage due to clearance, significantly extending the effective service life of the sealing ring, and significantly improving its adaptability and sealing reliability.

[0007] Preferably, the sealing ring includes sealing portions arranged facing each other, and an extension portion is integrally formed between the two end sides of the sealing portions on both sides.

[0008] Preferably, an arc-shaped elastic sheet is fixedly connected between the two opposing sides of the support plates on both sides, and an annular pull plate is integrally formed on the opposite sides of the elastic sheet on both sides. The end of the annular pull plate is integrally formed with a connecting part that is fixedly connected to the extension part, and the elastic sheet and the extension part are made of the same material.

[0009] Preferably, the opposing surfaces of the sealing portions on both sides are integrally formed with limiting protrusions, and the opposing sides of the support plates on both sides are provided with limiting grooves that engage with the limiting protrusions.

[0010] Preferably, the outer wall of the rhomboid spring is provided with a plurality of elastic cavities, and the end corners of the rhomboid spring are all rounded.

[0011] Preferably, the extension portion has an internal structure with an extension cavity, and the cavity of the extension cavity is a regular hexagon.

[0012] Compared with the prior art, the beneficial effects of this utility model are: 1. This utility model utilizes the unique design of its internal elastic component, specifically the rhomboid elastic element and its internal elastic cavity. This allows the elastic expansion member to adaptively compress or expand according to changes in clearance as the valve wears and the clearance increases over long-term use. This ensures that the sealing ring surface maintains a continuous and tight fit against the valve seat's inner wall, automatically filling the gaps caused by wear, preventing leakage due to these gaps, significantly extending the effective service life of the sealing ring, and significantly improving its adaptability and sealing reliability.

[0013] 2. This utility model also utilizes the internal hexagonal extension cavity of the extension section, in conjunction with components such as the elastic sheet and the annular pull plate, to endow the sealing ring with excellent overall elasticity and toughness. When the elastic expansion member contracts, the annular pull plate can pull the extension section inward, allowing it to deform flexibly, dispersing stress, and preventing excessive local wear. Simultaneously, the extension section, made of the same material as the elastic sheet, can better adapt to changes in the valve seat shape with the assistance of the elastic sheet, enhancing the reliability of the seal, reducing the risk of leakage, further improving the overall structural flexibility, and strengthening the sealing performance of the sealing ring. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a cross-sectional view of the structure of this utility model; Figure 3 This is a cross-sectional schematic diagram of the elastic component in this utility model; Figure 4This is a cross-sectional view of the sealing ring in this utility model; Figure 5 for Figure 2 Enlarged structural diagram of part A.

[0015] The following are the labels in the diagram: 1. Sealing ring; 101. Sealing part; 102. Extension part; 103. Limiting protrusion; 104. Extension cavity; 2. Elastic component; 3. Support plate; 301. Limiting groove; 4. Elastic telescopic component; 401. Fixing plate; 402. Diamond-shaped elastic element; 403. Elastic cavity; 404. Connecting strip; 405. Perforation; 5. Elastic sheet; 501. Annular pull plate; 502. Connecting part. Detailed Implementation

[0016] like Figures 1 to 5 As shown, this utility model relates to a valve seat sealing ring with an adjustable structure, including a sealing ring 1. An elastic component 2 for support is fixedly connected inside the sealing ring 1. The elastic component 2 includes opposing support plates 3. An elastic telescopic member 4 with elasticity is fixedly connected between the centers of the opposing support plates 3. The elastic telescopic member 4 includes an annular fixing plate 401. Both ends of the fixing plate 401 are integrally formed with annular rhomboid elastic members 402. The rhomboid elastic members 402 have an elastic cavity 403 inside. The opposing sides of the two rhomboid elastic members 402 are integrally formed. There is a connecting strip 404 that is fixedly connected to the support plate 3; the elastic component 2 can improve the elastic effect of the sealing ring 1. The side shape of the support plate 3 and the sealing ring 1 are the same, maintaining a stable support effect. The elastic expansion member 4 can achieve a good elastic support effect through the cooperation of the fixed plate 401 and the diamond-shaped elastic member 402. The design of the elastic cavity 403 can enhance the expansion range, so that the sealing ring 1 can automatically rebound and recover after being compressed and contracted, improving the rebound effect of the sealing ring 1. In this way, when there is a gap in the valve, the size can be automatically adjusted to achieve the effect of filling the gap.

[0017] In an embodiment of this utility model, the sealing ring 1 includes sealing portions 101 arranged facing each other, an extension portion 102 integrally formed between the two ends of the sealing portions 101, and an arc-shaped elastic sheet 5 fixedly connected between the two ends of the support plates 3. An annular pull plate 501 is integrally formed on the opposite sides of the elastic sheet 5. The end of the annular pull plate 501 is integrally formed with a connecting portion 502 fixedly connected to the extension portion 102, and the elastic sheet 5 and the extension portion 102 are made of the same material. The design of the elastic sheet 5 allows it to deform when the two support plates 3 are pressed close to each other. The annular pull plate 501 and the connecting portion 502 drive the extension portion 102 to deform synchronously, so that the sealing ring 1 can better fit the valve seat surface and enhance the sealing performance.

[0018] In the embodiments of this utility model, the opposing surfaces of the two sealing portions 101 are integrally formed with limiting protrusions 103, and the opposing sides of the two support plates 3 are provided with limiting grooves 301 that engage with the limiting protrusions 103. The engagement of the limiting grooves 301 and the limiting protrusions 103 ensures the stability of the relative position between the sealing ring 1 and the elastic component 2. During the sealing process, the limiting protrusions 103 are embedded in the limiting grooves 301 to prevent the sealing ring 1 and the elastic component 2 from misaligning, thus ensuring the sealing effect.

[0019] In this embodiment of the invention, the outer wall of the rhomboid elastic element 402 is provided with a plurality of through holes 405, and the end corners of the rhomboid elastic element 402 are all rounded. The plurality of through holes 405 and the rounded end corners further optimize the elastic performance of the elastic telescopic element 4. The presence of the through holes 405 allows the rhomboid elastic element 402 to deform more flexibly when subjected to force, increasing the telescopic range and elastic recovery capability of the elastic telescopic element 4. The rounded corner design avoids stress concentration, improving the service life and reliability of the rhomboid elastic element 402.

[0020] In the embodiments of this utility model, the internal structure of the extension portion 102 includes an extension cavity 104, and the cavity shape of the extension cavity 104 is a regular hexagon; the design of the extension cavity 104 can enhance the side toughness of the extension portion 102 and improve the deformation effect.

[0021] Working Principle: This embodiment provides a valve seat sealing ring with an adjustable structure. The sealing ring 1 serves as the basic component, and the elastic component 2 fixedly connected inside provides support and elastic adjustment capability for the entire sealing ring 1. The opposing support plates 3 in the elastic component 2 maintain their relative positions through the elastic telescopic member 4 fixedly connected at the center, while also possessing elastic telescopic characteristics. The elastic telescopic member 4 consists of an annular fixed plate 401, an annular rhomboid elastic member 402 integrally formed at both ends, and an internal elastic cavity 403. This structural design allows the rhomboid elastic member 402 to expand and contract through the deformation of the elastic cavity 403 when the elastic telescopic member 4 is subjected to external force, thereby driving the two support plates 3 to move relative to each other, providing an adjustable base for the sealing ring 1. The sealing part 101 and the extension part 102 of the sealing ring 1 work together to achieve the sealing function. The extension part 102 integrally formed between the two ends of the sealing part 101 can elastically deform when the sealing ring 1 is subjected to external pressure or changes in valve seat size, in order to adapt to different working environments. Meanwhile, the limiting protrusions 103 integrally formed on the facing surfaces of the two sealing portions 101 combine with the limiting grooves 301 opened on the opposite sides of the support plate 3, ensuring the relative position stability between the sealing ring 1 and the elastic component 2. During the sealing process, the limiting protrusions 103 are embedded in the limiting grooves 301 to prevent misalignment between the sealing ring 1 and the elastic component 2, ensuring the sealing effect. The arc-shaped elastic sheet 5 fixedly connected between the facing edges of the two ends of the support plate 3 is fixedly connected to the extension portion 102 through the annular pull plate 501 and the connecting portion 502, and the elastic sheet 5 and the extension portion 102 are made of the same material. When the valve seat size changes or is subjected to external pressure, the elastic sheet 5 can undergo elastic deformation, which drives the extension portion 102 to deform synchronously through the annular pull plate 501 and the connecting portion 502, so that the sealing ring 1 can better fit the valve seat surface and enhance the sealing performance. Meanwhile, the elastic deformation of the elastic sheet 5 provides additional elastic support for the overall adjustment of the sealing ring 1. Working together with the elastic expansion member 4, it enables the sealing ring 1 to adapt to different working conditions. The several perforations 405 on the outer wall of the rhomboid elastic member 402, and the rounded corners, further optimize the elastic performance of the elastic expansion member 4. The presence of the perforations 405 allows the rhomboid elastic member 402 to deform more flexibly under stress, increasing the expansion range and elastic recovery capability of the elastic expansion member 4. The rounded corners avoid stress concentration, improving the service life and reliability of the rhomboid elastic member 402. In addition, the regular hexagonal extension cavity 104 inside the extension part 102 also enhances the elasticity and stability of the extension part 102, allowing it to better maintain its shape during deformation and ensuring a sealing effect. This allows the entire unit to adaptively compress or expand according to the gap change when the valve wears and the gap increases during long-term use, ensuring that the surface of the sealing ring 1 can continuously and tightly fit the inner wall of the valve seat and automatically fill the gap caused by wear.

[0022] The embodiments disclosed herein are preferred embodiments, but are not limited thereto. Those skilled in the art can readily grasp the spirit of this utility model based on the above embodiments and make different extensions and variations. However, as long as they do not depart from the spirit of this utility model, they are all within the protection scope of this utility model.

Claims

1. A valve seat sealing ring with an adjustable structure, characterized in that, Includes a sealing ring (1), and the interior of the sealing ring (1) is fixedly connected to an elastic component (2) for support; The elastic component (2) includes support plates (3) arranged facing each other, and an elastic telescopic member (4) with elasticity is fixedly connected between the centers of the support plates (3) on both sides facing each other. The elastic telescopic component (4) includes an annular fixing plate (401), and an annular rhomboid elastic component (402) is integrally formed at both ends of the fixing plate (401). The rhomboid elastic component (402) has an elastic cavity (403) inside. The opposite sides of the rhomboid elastic component (402) on both sides are integrally formed with a connecting strip (404) that is fixedly connected to the support plate (3).

2. The valve seat sealing ring with an adjustable structure according to claim 1, characterized in that, The sealing ring (1) includes sealing parts (101) arranged facing each other, and an extension part (102) is integrally formed between the two ends of the sealing parts (101) on both sides.

3. The valve seat sealing ring with an adjustable structure according to claim 2, characterized in that, An arc-shaped elastic sheet (5) is fixedly connected between the two opposing sides of the support plate (3) on both sides. An annular pull plate (501) is integrally formed on the opposite side of the elastic sheet (5). The end of the annular pull plate (501) is integrally formed with a connecting part (502) that is fixedly connected to the extension part (102). The elastic sheet (5) and the extension part (102) are made of the same material.

4. The valve seat sealing ring with an adjustable structure according to claim 2, characterized in that, The opposing surfaces of the sealing portions (101) on both sides are integrally formed with limiting protrusions (103), and the opposing sides of the support plates (3) on both sides are provided with limiting grooves (301) that are combined with the limiting protrusions (103).

5. The valve seat sealing ring with an adjustable structure according to claim 1, characterized in that, The outer wall of the rhomboid spring (402) is provided with several through holes (405), and the end corners of the rhomboid spring (402) are all rounded corners.

6. The valve seat sealing ring with an adjustable structure according to claim 2, characterized in that, The extension portion (102) has an internal structure with an extension cavity (104), and the cavity of the extension cavity (104) is hexagonal in shape.

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