Double-sealing-ring press-fitting limiting clamp
By designing a double seal ring press-fit limit fixture, using structures such as guide rods, guide columns and limit plates, the problem of insufficient press-fit accuracy of double seal rings is solved, which improves product pass rate and reduces part losses.
Patent Information
- Application Number
- CN202422104059.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-29
- Publication Date
- 2025-06-27
- Estimated Expiration
- 2034-08-29
AI Technical Summary
The prior art cannot guarantee the precision of the pressing and assembly process during the double seal ring pressing, resulting in a decrease in product pass rate and high part loss.
A double seal ring press-mounting limit fixture is designed, including press-mounting assembly and sealing ring assembly. Through the design of guide rods and guide columns, the press-mounting direction is ensured to prevent parts from being pressed off, and the sealing ring assembly is ensured correctly through the limiting plate and through hole structure.
Through the use of this limit fixture, the pressing accuracy of the double sealing ring can be significantly improved, the loss of parts can be reduced, the product pass rate can be improved, and the disassembly and assembly and maintenance process can be simplified.
Smart Images
Figure CN223029550U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of seal ring press-fitting, and particularly relates to a double-seal-ring press-fitting limiting fixture. Background Art
[0002] A seal ring is an annular sealing member. By placing it in the annular groove of a part and using its elasticity to be pressed together and then tightly against the inner hole wall of the stationary part, it plays a sealing role. Seal ring press-fitting is the process of ensuring the correct installation of seal rings (usually used in equipment such as valves, pumps, and mechanical seals). The role of the seal ring is to prevent leakage and ensure the tightness of the system. Therefore, its press-fitting quality directly affects the performance and reliability of the equipment.
[0003] At present, the following areas for improvement still exist in the existing technology: During the press-fitting process of double seal rings, if a press is directly used for press-fitting, it is impossible to ensure the press-fitting accuracy, resulting in a decrease in the qualified rate of double-seal-ring products, and there is a very high probability that the parts will be pressed out of position, leading to part scrapping and a high loss rate. Summary of the Utility Model
[0004] To solve the above problems existing in the prior art, the utility model provides a double-seal-ring press-fitting limiting fixture, which can improve the press-fitting accuracy, ensure the quality of double seal rings, reduce part loss, and improve the qualified rate of double-seal-ring products.
[0005] The purpose of the utility model can be realized by the following technical solutions:
[0006] A double-seal-ring press-fitting limiting fixture includes a press-fitting component and a seal-ring component. The seal-ring component is detachably connected to the press-fitting component.
[0007] The press-fitting component includes an upper pressing plate, a limiting plate, guide rods, a bottom plate, a first guiding pressing column, and a second guiding pressing column. The first guiding pressing column is fixedly connected to the middle of the upper pressing plate. The limiting plates are symmetrically arranged, and the two limiting plates are fixedly connected to both sides of the upper pressing plate. The guide rods are symmetrically arranged, and the two guide rods are detachably connected between the upper pressing plate and the bottom plate. The second guiding pressing column is fixedly connected to the middle of the bottom plate.
[0008] The seal-ring component includes an upper seal ring, a double-seal-ring shaft, and a lower seal ring. The double-seal-ring shaft is located between the upper seal ring and the lower seal ring, and the double-seal-ring shaft is matched with the upper seal ring and the lower seal ring.
[0009] Preferably, the first guiding pressing column is T-shaped, and a channel is provided in the double-seal-ring shaft. The vertical section of the T-shaped first guiding pressing column is matched with the channel of the double-seal-ring shaft.
[0010] Preferably, through holes are provided on the limit plate, and the guide rods pass through the through holes of the limit plate and are detachably connected to the upper pressure plate.
[0011] Preferably, a protruding section is provided in the middle and upper part of the guide rod, and the protruding section of the guide rod corresponds to the position of the through hole of the limit plate.
[0012] Preferably, a plurality of grooves are provided on the bottom plate, the second guide pressure column is fixedly connected to the middle groove of the bottom plate, and the two guide rods are detachably connected to the grooves on both sides of the bottom plate.
[0013] Preferably, the first guide pressure column and the second guide pressure column are arranged corresponding to each other up and down.
[0014] The beneficial effects of the present utility model are as follows:
[0015] (1) By providing the press-fitting assembly, the technical effects that can be achieved are that the guide rods are symmetrically arranged, the two guide rods are detachably connected between the upper pressure plate and the bottom plate, ensuring accurate press-fitting direction, preventing the parts from being pressed out of place, being convenient for disassembly and assembly, facilitating inspection and maintenance, the protruding section of the guide rod corresponds to the position of the through hole of the limit plate, ensuring that the limit plate can only be pressed to a fixed and horizontal position, the first guide pressure column and the second guide pressure column are arranged corresponding to each other up and down, the first guide pressure column and the second guide pressure column can be installed at the double-sealing-ring shaft channel, facilitating the press-fitting of the auxiliary sealing assembly, and using the first guide pressure column and the second guide pressure column to assist in press-fitting can expand the top and bottom openings of the double-sealing-ring shaft channel to a suitable position, ensuring that the sealing ring assembly does not shake.
[0016] (2) After the press-fitting assembly assists the sealing ring assembly to complete the press-fitting, it can ensure that the dimensional error range of the size L between the upper sealing ring and the lower sealing ring is less than 0.05 mm, and the sealing ring assembly does not shake, ensuring the qualified rate of the double-sealing-ring product. Brief Description of the Drawings
[0017] For the convenience of those skilled in the art to understand, the present utility model will be further described below with reference to the drawings.
[0018] Figure 1 is a three-dimensional view of the present utility model;
[0019] Figure 2 is a cross-sectional view of the press-fitting assembly in the present utility model;
[0020] Figure 3 is a cross-sectional view of the sealing ring assembly in the present utility model;
[0021] Figure 4 is an overall assembly drawing of the present utility model;
[0022] Main Component Symbol Description:
[0023] In the figure: 1. upper pressing plate; 2. limiting plate; 3. guiding rod; 4. bottom plate; 5. first guiding pressing column; 6. second guiding pressing column; 7. upper sealing ring; 8. double-sealing-ring shaft; 9. lower sealing ring. Specific implementation manners
[0024] Next, the technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present application; obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.
[0025] In the description of the present application, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer", "top / bottom end", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present application. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.
[0026] In the description of the present application, it should be noted that unless otherwise clearly specified and limited, the terms "installed", "provided with", "sheathed / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific situations.
[0027] Referring to Figures 1 to 4 , a double-sealing-ring press-fitting limiting fixture disclosed by the present utility model includes a press-fitting assembly and a sealing-ring assembly, and the sealing-ring assembly is detachably connected to the press-fitting assembly;
[0028] The press-fitting assembly includes an upper pressing plate 1, limiting plates 2, guiding rods 3, a bottom plate 4, a first guiding pressing column 5 and a second guiding pressing column 6. The first guiding pressing column 5 is fixedly connected to the middle of the upper pressing plate 1. The limiting plates 2 are symmetrically arranged, and the two limiting plates 2 are fixedly connected to both sides of the upper pressing plate 1. The guiding rods 3 are symmetrically arranged, and the two guiding rods 3 are detachably connected between the upper pressing plate 1 and the bottom plate 4, ensuring accurate press-fitting direction, preventing parts from being pressed off, being convenient for disassembly and assembly, facilitating inspection and maintenance. The second guiding pressing column 6 is fixedly connected to the middle of the bottom plate 4;
[0029] The seal ring assembly includes an upper seal ring 7, a double-seal ring shaft 8, and a lower seal ring 9. The double-seal ring shaft 8 is located between the upper seal ring 7 and the lower seal ring 9, and the double-seal ring shaft 8 is matched with the upper seal ring 7 and the lower seal ring 9. The first guiding press stud 5 is arranged in a T shape. A channel is provided in the double-seal ring shaft 8, and the vertical section of the T shape of the first guiding press stud 5 is matched with the channel of the double-seal ring shaft 8.
[0030] Referring to Figure 2 and Figure 4 , through holes are provided in the limiting plate 2, and the guiding rods 3 penetrate through the through holes of the limiting plate 2 and are detachably connected to the upper pressing plate 1. A protruding section is provided in the middle and upper part of the guiding rods 3, and the protruding section of the guiding rods 3 corresponds to the position of the through holes of the limiting plate 2, ensuring that the limiting plate 2 can only be pressed to a fixed and horizontal position. A plurality of grooves are provided on the bottom plate 4, and the second guiding press stud 6 is fixedly connected to the groove in the middle of the bottom plate 4, and the two guiding rods 3 are detachably connected to the grooves on both sides of the bottom plate 4. The first guiding press stud 5 and the second guiding press stud 6 are arranged corresponding to each other up and down. The first guiding press stud 5 and the second guiding press stud 6 can be installed at the channel of the double-seal ring shaft 8, facilitating the press-fitting of the auxiliary seal assembly, and the top and bottom openings of the channel of the double-seal ring shaft 8 can be expanded to a proper position by using the first guiding press stud 5 and the second guiding press stud 6 for auxiliary press-fitting, ensuring that the seal ring assembly does not shake.
[0031] After the press-fitting assembly assists the seal ring assembly to complete the press-fitting, it can ensure that the dimensional error range of the dimension L between the upper seal ring 7 and the lower seal ring 9 is less than 0.05 mm, and the seal ring assembly does not shake, ensuring the qualified rate of the double-seal ring product.
[0032] The working principle and usage process of the present utility model: Install the two guiding rods 3 at the grooves on both sides of the bottom plate 4, and install the seal ring assembly on the first guiding press stud 5.
[0033] Align the through hole of the limiting plate 2 with the guiding rods 3, install the upper pressing plate 1 on the guiding rods 3, make the upper seal ring 7 located between the upper pressing plate 1 and the limiting plate 2, and install the second guiding press stud 6 through the lower seal ring 9 at the channel of the double-seal ring shaft 8 to start the subsequent press-fitting work.
[0034] The above are only the preferred embodiments of the present utility model, and do not impose any form of limitation on the present utility model. Although the present utility model has been disclosed above with the preferred embodiments, it is not intended to limit the present utility model. Any person skilled in the art can make some changes or modifications to the above-disclosed technical content to be equivalent embodiments with equivalent changes, but as long as it does not depart from the technical content of the technical solution of the present utility model, any brief modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present utility model still fall within the scope of the technical solution of the present utility model.
Claims
1. A double sealing ring press-fit limit fixture, characterized in that: It comprises a press-fitting assembly and a sealing ring assembly, wherein the sealing ring assembly is detachably connected to the press-fitting assembly; The press assembly comprises an upper pressure plate (1), a limit plate (2), a guide rod (3), a bottom plate (4), a first guide pressure column (5) and a second guide pressure column (6), wherein the first guide pressure column (5) is fixedly connected to the middle of the upper pressure plate (1), the limit plate (2) is symmetrically arranged, and the two limit plates (2) are fixedly connected to the two sides of the upper pressure plate (1), the guide rod (3) is symmetrically arranged, and the two guide rods (3) are detachably connected between the upper pressure plate (1) and the bottom plate (4), and the second guide pressure column (6) is fixedly connected to the middle of the bottom plate (4); The sealing ring assembly comprises an upper sealing ring (7), a double sealing ring shaft (8) and a lower sealing ring (9); the double sealing ring shaft (8) is located between the upper sealing ring (7) and the lower sealing ring (9); the double sealing ring shaft (8) matches the upper sealing ring (7) and the lower sealing ring (9).
2. A double sealing ring press-fitting limit clamp according to claim 1, characterized in that: The first guide pressure column (5) is arranged in a T-shape, a channel is arranged in the double sealing ring shaft (8), and the T-shaped vertical section of the first guide pressure column (5) matches the channel of the double sealing ring shaft (8).
3. The double sealing ring press-fitting limit clamp according to claim 1, characterized in that: The limiting plate (2) is provided with a through hole, and the guide rod (3) passes through the through hole of the limiting plate (2) and is detachably connected to the upper pressing plate (1).
4. A double sealing ring press-fitting limit clamp according to claim 3, characterized in that: The upper middle portion of the guide rod (3) is provided with a protruding section, and the protruding section of the guide rod (3) corresponds to the position of the through hole of the limiting plate (2).
5. The double sealing ring press-fitting limit clamp according to claim 1, characterized in that: The bottom plate (4) is provided with a plurality of grooves, the second guide pressure column (6) is fixedly connected to the groove in the middle of the bottom plate (4), and the two guide rods (3) are detachably connected to the grooves on both sides of the bottom plate (4).
6. The double sealing ring press-fitting limit clamp according to claim 1, characterized in that: The first guide pressure column (5) and the second guide pressure column (6) are arranged in correspondence with each other up and down.