A self-tightening gasket with adjustable thickness

Abstract

This utility model belongs to the field of gasket technology, specifically disclosing a self-tightening sealing gasket with adjustable thickness. The utility model includes a first gasket body and a second gasket body, with a thickness adjustment assembly between them. The thickness adjustment assembly includes a stacking unit and a fixing unit. The stacking unit includes an adjusting piece, which adjusts the thickness by stacking. The thickness adjustment assembly allows for flexible thickness adjustment by increasing or decreasing the number of adjusting pieces, adapting to the installation gaps of different devices. Furthermore, the corresponding insertion structure of the limiting block and the corresponding insertion hole / slot, along with locking bolts, securely fixes the first gasket body, the second gasket body, and the adjusting piece. This ensures both thickness adjustment and overall structural stability, preventing displacement or loosening of the adjusting piece under pressure or vibration, thus maintaining the gasket's mechanical strength and sealing performance.

Description

Technical Field

[0001] This application relates to the field of gasket technology, and more specifically, to a self-tightening sealing gasket with adjustable thickness. Background Technology

[0002] In many sectors of industrial production, such as petrochemicals, power energy, and machinery manufacturing, sealing technology is crucial for ensuring the safe and stable operation of equipment. As a key component for achieving sealing, the performance of gaskets directly affects the system's sealing performance, reliability, and service life.

[0003] Most existing gaskets have a fixed thickness, making it difficult to flexibly adapt to the requirements of different installation gaps or changes in operating conditions. This results in a mismatch between the installation gap and the gasket thickness. Gaskets that are too thick will lose their elasticity due to excessive compression, leading to uneven stress on the sealing surface and resulting in localized leakage. Gaskets that are too thin will not be able to fully fill the sealing gap, directly causing media leakage. This not only affects the normal operation of the equipment but may also cause safety accidents due to media leakage. Utility Model Content

[0004] To address the aforementioned issues, this application provides a self-tightening sealing gasket with adjustable thickness.

[0005] The self-tightening sealing gasket with adjustable thickness provided in this application adopts the following technical solution:

[0006] A self-tightening sealing gasket with adjustable thickness includes a first gasket body and a second gasket body, and a thickness adjustment component is provided between the first gasket body and the second gasket body. The thickness adjustment component includes a stacking unit and a fixing unit.

[0007] The stacking unit includes adjustment plates, which are stacked to adjust the thickness;

[0008] The fixing unit includes a locking bolt, which is used to fix the first gasket body, the second gasket body, and the adjusting plate.

[0009] Furthermore, a limiting block is fixedly connected to the side of the second gasket body closest to the first gasket body. The number of limiting blocks is set to multiple, and the multiple limiting blocks are distributed in a ring array on one side of the second gasket body.

[0010] Furthermore, the adjustment plate has multiple insertion holes inside, and multiple limit blocks are set in correspondence with the multiple insertion holes. The structure of the multiple limit blocks is adapted to the structure of the multiple insertion holes.

[0011] Furthermore, the first gasket body has multiple slots on the side near the second gasket body, and multiple limiting blocks are arranged correspondingly to the multiple slots, with each limiting block being inserted into the corresponding slot.

[0012] Furthermore, multiple threaded grooves are provided on one side of the second gasket body, and the multiple threaded grooves are evenly distributed on one side of the second gasket body.

[0013] Furthermore, the adjusting plate has multiple limiting through holes inside, which are evenly distributed inside the adjusting plate.

[0014] Furthermore, the interior of the first gasket body is provided with multiple fixing through holes, and multiple threaded grooves, limiting through holes and fixing through holes are arranged in a corresponding manner.

[0015] Furthermore, the number of locking bolts is set to multiple, and each locking bolt passes through the corresponding fixing through hole and the limiting through hole in sequence and is threadedly connected to the corresponding thread groove.

[0016] Through the above technical solution, the thickness adjustment component can be used to flexibly adjust the thickness by increasing or decreasing the number of adjustment plates, which can be adapted to the installation gap of different equipment.

[0017] In summary, this application includes at least one of the following beneficial technical effects:

[0018] This invention utilizes a thickness adjustment component to flexibly adjust the thickness by increasing or decreasing the number of adjusting plates. It can adapt to the installation gaps of different equipment. Whether it's gap differences caused by processing errors during equipment installation or deformation of the sealing surface due to changes in operating conditions, adjusting the gasket thickness ensures a tight seal, reducing media leakage caused by thickness mismatch and significantly improving sealing reliability. Furthermore, the corresponding insertion structure of the limiting block and the corresponding holes and slots, along with the locking bolts, firmly fixes the first gasket body, the second gasket body, and the adjusting plates. This ensures overall structural stability while maintaining adjustable thickness, preventing displacement or loosening of the adjusting plates under pressure or vibration, and maintaining the mechanical strength and sealing performance of the gaskets. When gasket maintenance is required, thickness adjustment can be completed directly by disassembling the locking bolts and replacing the adjusting plates, reducing maintenance difficulty and downtime, and improving equipment operating efficiency. In addition, when handling complex operating conditions such as high temperature, high pressure, or corrosive media, timely thickness adjustment compensates for changes in the sealing surface, effectively reducing leakage risks and ensuring production safety. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0020] Figure 2 This is a schematic diagram of the overall structure of the present invention after thickness adjustment;

[0021] Figure 3 This is an exploded view of the overall structure of this utility model;

[0022] Figure 4This is a schematic diagram of the overall connection structure of this utility model;

[0023] Figure 5 This is a schematic diagram of the overall structure of the second gasket body of this utility model;

[0024] Figure 6 This is a schematic diagram of the overall structure of the first gasket body of this utility model.

[0025] Explanation of reference numerals in the attached drawings: 1. First gasket body; 2. Second gasket body; 3. Adjusting piece; 4. Limiting block; 5. Insertion hole; 6. Slot; 7. Locking bolt; 8. Threaded groove; 9. Limiting through hole; 10. Fixing through hole. Detailed Implementation

[0026] The technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0027] Reference Figures 1-6 A self-tightening sealing gasket with adjustable thickness includes a first gasket body 1 and a second gasket body 2. A thickness adjustment component is provided between the first gasket body 1 and the second gasket body 2. The thickness adjustment component includes a stacking unit and a fixing unit.

[0028] The stacking unit includes an adjustment piece 3, which adjusts the thickness by stacking the pieces.

[0029] The fixing unit includes a locking bolt 7, which is used to fix the first gasket body 1, the second gasket body 2 and the adjusting piece 3.

[0030] Reference Figures 1-6A limiting block 4 is fixedly connected to the side of the second gasket body 2 near the first gasket body 1. Multiple limiting blocks 4 are arranged in a circular array on one side of the second gasket body 2. Multiple insertion holes 5 are provided inside the adjusting piece 3. The multiple limiting blocks 4 are correspondingly arranged with the multiple insertion holes 5, and their structures are adapted to match the structures of the multiple insertion holes 5. Multiple slots 6 are provided on the side of the first gasket body 1 near the second gasket body 2. The multiple limiting blocks 4 are correspondingly arranged with the multiple slots 6, and each limiting block 4 is connected to its corresponding slot. The six-phase plug-in type has multiple threaded grooves 8 on one side of the second gasket body 2, which are evenly distributed on one side of the second gasket body 2. Multiple limiting through holes 9 are evenly distributed inside the adjusting plate 3. Multiple fixing through holes 10 are opened inside the first gasket body 1. The multiple threaded grooves 8, limiting through holes 9 and fixing through holes 10 are arranged in a corresponding manner. The number of locking bolts 7 is set to multiple. Each locking bolt 7 passes through the corresponding fixing through hole 10 and limiting through hole 9 in sequence and is threadedly connected to the corresponding threaded groove 8.

[0031] The thickness adjustment component enables overall gasket thickness adjustment. The specific operation is as follows: First, determine the number of adjustment pieces 3 stacked based on the required gasket thickness. Increase the number of adjustment pieces 3 if the thickness needs to be increased, and decrease the number of adjustment pieces 3 if the thickness needs to be decreased. Then, insert the multiple insertion holes 5 of the adjustment pieces 3 into the multiple limiting blocks 4 on one side of the second gasket body 2, respectively, to initially limit the adjustment piece 3. If multiple adjustment pieces 3 are stacked, align the insertion holes 5 of the upper adjustment piece 3 with the limiting blocks 4 above the lower adjustment piece 3 (or the protruding structure formed by the lower adjustment piece 3 due to the passing of the limiting blocks 4) and insert them, ensuring all adjustment pieces 3 are neatly stacked. And the position is stable. Next, align the multiple slots 6 on the side of the first gasket body 1 near the second gasket body 2 with the limiting block 4 above the uppermost adjusting piece 3, so that the limiting block 4 is inserted into the slot 6, completing the initial assembly and positioning of the first gasket body 1, adjusting piece 3 and second gasket body 2. Finally, pass multiple locking bolts 7 through the fixing through hole 10 of the first gasket body 1 and the limiting through hole 9 of the adjusting piece 3 in sequence until the end of the bolt contacts the threaded groove 8 of the second gasket body 2. Tighten the locking bolts 7, and the first gasket body 1, all adjusting pieces 3 and second gasket body 2 are firmly fixed into a whole by the locking force of the bolts. At this time, the thickness of the whole gasket reaches the required size.

[0032] The thickness adjustment component allows for flexible thickness adjustment by increasing or decreasing the number of adjusting plates 3, adapting to the installation gaps of different equipment. Whether it's gap differences caused by processing errors during equipment installation or deformation of the sealing surface due to changes in operating conditions, adjusting the gasket thickness ensures a tight seal, reducing media leakage caused by thickness mismatch and significantly improving sealing reliability. Furthermore, the corresponding insertion structure of the limiting block 4 with the insertion hole 5 and slot 6, along with the locking bolt 7, firmly fixes the first gasket body 1, the second gasket body 2, and the adjusting plate 3. This ensures overall structural stability while maintaining adjustable thickness, preventing displacement or loosening of the adjusting plate 3 under pressure or vibration, and maintaining the gasket's mechanical strength and sealing performance. When gasket maintenance is required, thickness adjustment can be completed directly by disassembling the locking bolt 7 and replacing the adjusting plate 3, reducing maintenance difficulty and downtime, and improving equipment operating efficiency. In addition, when handling complex conditions such as high temperature, high pressure, or corrosive media, timely thickness adjustment compensates for changes in the sealing surface, effectively reducing leakage risks and ensuring production safety.

[0033] Working principle: First, determine the number of adjusting pieces 3 stacked according to the actual required shim thickness. If the thickness needs to be increased, increase the number of adjusting pieces 3; if the thickness needs to be decreased, decrease the number of adjusting pieces 3. Then, insert the multiple insertion holes 5 of the adjusting pieces 3 into the multiple limiting blocks 4 on one side of the second shim body 2, respectively, to achieve initial positioning of the adjusting pieces 3. If multiple adjusting pieces 3 are stacked, align the insertion holes 5 of the upper adjusting pieces 3 with the limiting blocks 4 above the lower adjusting pieces 3 (or the protruding structure formed by the lower adjusting pieces 3 due to the passing of the limiting blocks 4) and insert them in sequence to ensure that all adjusting pieces 3 are neatly stacked and in a stable position. Then, place the first shim... Multiple slots 6 on the side of the first gasket body 1 near the second gasket body 2 are aligned with the limiting block 4 above the uppermost adjusting piece 3, so that the limiting block 4 is inserted into the slot 6, completing the initial assembly and positioning of the first gasket body 1, adjusting piece 3 and second gasket body 2. Finally, multiple locking bolts 7 are passed through the fixing through hole 10 of the first gasket body 1 and the limiting through hole 9 of the adjusting piece 3 in sequence until the end of the bolt contacts the threaded groove 8 of the second gasket body 2. The locking bolts 7 are tightened, and the first gasket body 1, all adjusting pieces 3 and second gasket body 2 are firmly fixed into a whole by the locking force of the bolts. At this time, the thickness of the whole gasket reaches the required size.

[0034] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A self-tightening gasket of adjustable thickness comprising a first gasket body (1) and a second gasket body (2), characterized in that, A thickness adjustment component is provided between the first gasket body (1) and the second gasket body (2), the thickness adjustment component including a stacking unit and a fixing unit; The stacking unit includes an adjustment piece (3), which adjusts the thickness by stacking; The fixing unit includes a locking bolt (7), which is used to fix the first gasket body (1), the second gasket body (2) and the adjusting plate (3).

2. The self-tightening sealing gasket with adjustable thickness according to claim 1, characterized in that: A limiting block (4) is fixedly connected to the side of the second gasket body (2) near the first gasket body (1). The number of the limiting blocks (4) is set to multiple, and the multiple limiting blocks (4) are distributed in a ring array on one side of the second gasket body (2).

3. The self-tightening sealing gasket with adjustable thickness according to claim 2, characterized in that: The adjustment piece (3) has multiple insertion holes (5) inside, and multiple limiting blocks (4) are arranged in correspondence with the multiple insertion holes (5). The structure of the multiple limiting blocks (4) is adapted to the structure of the multiple insertion holes (5).

4. The self-tightening sealing gasket with adjustable thickness according to claim 3, characterized in that: The first gasket body (1) has multiple slots (6) on the side near the second gasket body (2), and multiple limiting blocks (4) are arranged in correspondence with the multiple slots (6), with each limiting block (4) being inserted into the corresponding slot (6).

5. The self-tightening sealing gasket with adjustable thickness according to claim 1, characterized in that: The second gasket body (2) has multiple threaded grooves (8) on one side, and the multiple threaded grooves (8) are evenly distributed on one side of the second gasket body (2).

6. The self-tightening sealing gasket with adjustable thickness according to claim 1, characterized in that: The adjustment plate (3) has multiple limiting through holes (9) inside, and the multiple limiting through holes (9) are evenly distributed inside the adjustment plate (3).

7. A self-tightening sealing gasket with adjustable thickness according to claim 5, characterized in that: The first gasket body (1) has multiple fixed through holes (10) inside, and the multiple threaded grooves (8), limiting through holes (9) and fixed through holes (10) are arranged in a corresponding manner.

8. A self-tightening sealing gasket with adjustable thickness according to claim 7, characterized in that: The number of locking bolts (7) is set to multiple, and each locking bolt (7) passes through the corresponding fixing through hole (10) and the limiting through hole (9) in sequence and is threadedly connected to the corresponding threaded groove (8).

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