Multiple seal combined seal ring

Abstract

The utility model discloses a multiple sealing combined type sealing ring relates to sealing ring technical field, including primary sealing ring, the bottom of primary sealing ring is equipped with pressure relief groove, the top of primary sealing ring is connected with secondary sealing ring, the top of secondary sealing ring is equipped with tertiary sealing ring, and tertiary sealing ring is connected in the top inner wall of primary sealing ring, still include: pressure relief mechanism, and pressure relief mechanism is used for pressure relief, fixed mechanism, and fixed mechanism is used for the fixation of secondary sealing ring and tertiary sealing ring. The utility model discloses through utilize multiple joint groove, connect secondary sealing ring in the inner wall of primary sealing ring, then connect tertiary sealing ring in the top inner wall of primary sealing ring, and secondary sealing ring and tertiary sealing ring are pasted, thereby make sealing ring more airtight, prevent leakage, play the sealing effect.

Description

Technical Field

[0001] This utility model relates to the field of sealing ring technology, specifically to a multi-seal combination sealing ring. Background Technology

[0002] With the development of industrial modernization and automation, the operating conditions of electromechanical products are becoming increasingly harsh, placing higher demands on the pressure resistance, wear resistance, and stable operation of sealing devices. Y-type and U-type lip seals are prone to lip damage; once worn, they lose their sealing function, resulting in a short seal life and failing to meet the requirements for long-term stable sealing.

[0003] Traditional sealing rings come in various types, with O-rings being the most common rubber seal, featuring a circular cross-section. They are simple in structure, inexpensive, and possess good elasticity and durability, making them widely used in both static and dynamic sealing applications. O-rings achieve sealing through assembly and compression deformation, primarily used to prevent leakage of liquids, gases, and other media. However, they suffer from significant wear and are prone to permanent deformation.

[0004] However, the traditional sealing rings mentioned above are subject to significant impact forces when subjected to excessive pressure, which can easily cause them to deform, thereby losing their sealing effect and reducing sealing efficiency. Utility Model Content

[0005] To solve the above problems, this utility model provides a multi-seal combination sealing ring, which is achieved through the following technical solution.

[0006] A multi-seal combination sealing ring includes a primary sealing ring with a pressure relief groove at its bottom, a secondary sealing ring snapped onto the top of the primary sealing ring, and a tertiary sealing ring snapped onto the top inner wall of the primary sealing ring. The ring also includes:

[0007] A pressure relief mechanism, wherein the pressure relief mechanism is used to relieve pressure;

[0008] A fixing mechanism is provided for fixing the secondary and tertiary sealing rings.

[0009] As a further embodiment of this utility model, the pressure relief groove is a through groove, and the pressure relief groove is provided in multiple sets and is circumferentially distributed at the bottom of the primary sealing ring.

[0010] As a further embodiment of this utility model, the pressure relief mechanism includes a spring, a pressure relief sleeve is fixedly connected to the outer wall of the middle part of the secondary sealing ring, the spring is fixedly connected to the right end of the pressure relief sleeve, a pressure relief plate is fixedly connected to the right part of the spring, and the pressure relief plate is slidably connected to the inner wall of the pressure relief sleeve.

[0011] As a further embodiment of this utility model, the right side of the pressure relief sleeve is provided with multiple through grooves, and the pressure relief sleeve, spring and pressure relief plate are provided with multiple sets and are circumferentially distributed on the outer wall of the middle part of the secondary sealing ring.

[0012] As a further embodiment of this utility model, the pressure relief sleeve is slidably connected to the inner wall of the groove provided at the top of the primary sealing ring.

[0013] As a further embodiment of this utility model, the fixing mechanism includes a plug rod, the outer wall of which is threaded, the top inner wall of the secondary sealing ring and the tertiary sealing ring is provided with a threaded groove, the plug rod is threadedly connected to the inner wall of the threaded groove, and a knob is fixedly connected to the top surface of the plug rod.

[0014] The beneficial effects of this utility model are as follows:

[0015] 1. Using multiple snap-fit ​​grooves, the secondary sealing ring is snapped onto the inner wall of the primary sealing ring, and then the tertiary sealing ring is snapped onto the top inner wall of the primary sealing ring. The secondary and tertiary sealing rings fit together, making the sealing rings tighter, preventing leakage, and achieving a sealing effect.

[0016] 2. When the pressure inside the primary and secondary sealing rings is too high, the pressure is applied to the outside, pushing the pressure relief plate to the left to squeeze the spring and slide on the inner wall of the pressure relief sleeve. This allows the pressure to be released from the through groove on the outer wall of the pressure relief sleeve and discharged from the pressure relief groove. When the pressure is balanced, the spring drives the pressure relief plate to pop out, closing the through groove and achieving the function of pressure relief.

[0017] 3. During installation and fixing, align the threaded grooves of the third-level sealing ring and the second-level sealing ring and snap them onto the inner wall of the top of the first-level sealing ring. Turn the knob to rotate the insertion rod, so that the threaded connection of the insertion rod to the inner wall of the second-level sealing ring and the third-level sealing ring is made, thus fixing the second-level sealing ring and the third-level sealing ring. Attached Figure Description

[0018] To more clearly illustrate the technical solution of this utility model, the drawings used in the description of the specific embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

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

[0020] Figure 2 This is a schematic cross-sectional view of the overall structure of this utility model;

[0021] Figure 3 This is a schematic diagram of the overall main view and partial cross-sectional view of the present invention;

[0022] Figure 4 This is a schematic diagram of the overall right-side partial cross-sectional structure of this utility model.

[0023] The attached figures are labeled as follows:

[0024] 11. Primary sealing ring; 12. Pressure relief groove; 13. Secondary sealing ring; 14. Tertiary sealing ring;

[0025] 2. Pressure relief mechanism; 21. Pressure relief sleeve; 22. Spring; 23. Pressure relief plate;

[0026] 3. Fixing mechanism; 31. Insert rod; 32. Knob. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0028] like Figure 1-4 As shown, this utility model has the following three specific embodiments.

[0029] Example 1

[0030] A multi-seal combination sealing ring includes a primary sealing ring 11, a pressure relief groove 12 at the bottom of the primary sealing ring 11, a secondary sealing ring 13 snapped onto the top of the primary sealing ring 11, a tertiary sealing ring 14 at the top of the secondary sealing ring 13, and the tertiary sealing ring 14 snapped onto the inner top wall of the primary sealing ring 11. It also includes:

[0031] Pressure relief mechanism 2 is used for pressure relief;

[0032] Fixing mechanism 3 is used to fix the secondary sealing ring 13 and the tertiary sealing ring 14.

[0033] The pressure relief groove 12 is a through groove, and multiple sets of pressure relief grooves 12 are provided and distributed circumferentially at the bottom of the primary sealing ring 11.

[0034] In this embodiment, as Figure 1 and Figure 2 As shown, multiple snap-fit ​​grooves are used to snap the secondary sealing ring 13 onto the inner wall of the primary sealing ring 11, and then snap the tertiary sealing ring 14 onto the top inner wall of the primary sealing ring 11. The secondary sealing ring 13 and the tertiary sealing ring 14 fit together, thereby making the sealing ring more tight, preventing leakage, and playing a sealing role.

[0035] Example 2

[0036] The difference from Embodiment 1 is that this embodiment discloses a pressure relief mechanism:

[0037] The pressure relief mechanism 2 includes a spring 22, a pressure relief sleeve 21 fixedly connected to the outer wall of the middle part of the secondary sealing ring 13, the spring 22 fixedly connected to the right end of the pressure relief sleeve 21, and a pressure relief plate 23 fixedly connected to the right part of the spring 22. The pressure relief plate 23 is slidably connected to the inner wall of the pressure relief sleeve 21.

[0038] Preferably, the right side of the pressure relief sleeve 21 is provided with multiple through grooves, and the pressure relief sleeve 21, spring 22 and pressure relief plate 23 are provided with multiple sets and are circumferentially distributed on the outer wall of the middle part of the secondary sealing ring 13.

[0039] Preferably, the pressure relief sleeve 21 is slidably connected to the inner wall of the groove provided at the top of the primary sealing ring 11.

[0040] In this embodiment, as Figure 3 As shown, when the pressure on the inner walls of the primary sealing ring 11 and the secondary sealing ring 13 is too high, the pressure is applied to the outside, pushing the pressure relief plate 23 to the left to squeeze the spring 22 and slide on the inner wall of the pressure relief sleeve 21, so that the pressure is released from the through groove on the outer wall of the pressure relief sleeve 21 and discharged from the pressure relief groove 12. When the pressure is balanced, the spring drives the pressure relief plate 23 to pop out, close the through groove, and play a role in relieving pressure.

[0041] Example 3

[0042] The difference between this embodiment and Embodiment 2 is that this embodiment discloses a fixing mechanism:

[0043] The fixing mechanism 3 includes a plug rod 31. The outer wall of the plug rod 31 is threaded. The inner top walls of the secondary sealing ring 13 and the tertiary sealing ring 14 are provided with threaded grooves. The plug rod 31 is threadedly connected to the inner wall of the threaded grooves. A knob 32 is fixedly connected to the top surface of the plug rod 31.

[0044] In this embodiment, as Figure 4 As shown, during installation and fixing, the threaded grooves of the third-level sealing ring 14 and the second-level sealing ring 13 are aligned and snapped onto the inner wall of the top of the first-level sealing ring 11. The knob 32 is rotated to drive the insertion rod 31 to rotate, so that the insertion rod 31 is threadedly connected to the inner wall of the second-level sealing ring 13 and the third-level sealing ring 14, thereby fixing the second-level sealing ring 13 and the third-level sealing ring 14 and achieving the fixing function.

[0045] The working principle of this utility model is as follows:

[0046] Using multiple snap-fit ​​grooves, the secondary sealing ring 13 is snapped onto the inner wall of the primary sealing ring 11, and then the tertiary sealing ring 14 is snapped onto the top inner wall of the primary sealing ring 11. The secondary sealing ring 13 and the tertiary sealing ring 14 fit together, making the sealing rings tighter. The threaded grooves of the tertiary sealing ring 14 and the secondary sealing ring 13 are aligned and snapped onto the top inner wall of the primary sealing ring 11. Rotating the knob 32 causes the insertion rod 31 to rotate, so that the insertion rod 31 is threadedly connected to the secondary sealing ring 13 and the primary sealing ring 11. The inner wall of the third-level sealing ring 14 fixes the second-level sealing ring 13 and the third-level sealing ring 14, thus providing a fixing function. When the pressure on the inner wall of the first-level sealing ring 11 and the second-level sealing ring 13 is too high, the pressure is applied to the outside, pushing the pressure relief plate 23 to the left to squeeze the spring 22 and slide on the inner wall of the pressure relief sleeve 21, so that the pressure is released from the through groove provided on the outer wall of the pressure relief sleeve 21 and discharged from the pressure relief groove 12. When the pressure is balanced, the spring drives the pressure relief plate 23 to pop out, close the through groove, and achieve the pressure relief function.

[0047] The present invention has been described in detail above. However, modifications or improvements can be made to it, which will be obvious to those skilled in the art. Therefore, any modifications or improvements that do not depart from the spirit of the present invention are within the protection scope of the present invention.

Claims

1. A multi-seal combination sealing ring, comprising a primary sealing ring (11), characterized in that: The bottom of the primary sealing ring (11) is provided with a pressure relief groove (12), the top of the primary sealing ring (11) is fitted with a secondary sealing ring (13), the top of the secondary sealing ring (13) is provided with a tertiary sealing ring (14), the tertiary sealing ring (14) is fitted with the top inner wall of the primary sealing ring (11), and further includes: Pressure relief mechanism (2), the pressure relief mechanism (2) is used for pressure relief; Fixing mechanism (3) is used to fix the secondary sealing ring (13) and the tertiary sealing ring (14).

2. The multi-seal combination sealing ring according to claim 1, characterized in that: The pressure relief groove (12) is a through groove, and the pressure relief groove (12) is provided in multiple sets and is circumferentially distributed at the bottom of the primary sealing ring (11).

3. The multi-seal combination sealing ring according to claim 1, characterized in that: The pressure relief mechanism (2) includes a spring (22), a pressure relief sleeve (21) is fixedly connected to the outer wall of the middle part of the secondary sealing ring (13), the spring (22) is fixedly connected to the right end of the pressure relief sleeve (21), a pressure relief plate (23) is fixedly connected to the right part of the spring (22), and the pressure relief plate (23) is slidably connected to the inner wall of the pressure relief sleeve (21).

4. The multi-seal combination sealing ring according to claim 3, characterized in that: The right side of the pressure relief sleeve (21) is provided with multiple through grooves. The pressure relief sleeve (21), spring (22) and pressure relief plate (23) are provided with multiple sets and are circumferentially distributed on the outer wall of the middle part of the secondary sealing ring (13).

5. The multi-seal combination sealing ring according to claim 4, characterized in that: The pressure relief sleeve (21) is slidably connected to the inner wall of the groove provided on the top of the primary sealing ring (11).

6. The multi-seal combination sealing ring according to claim 1, characterized in that: The fixing mechanism (3) includes a plug rod (31), the outer wall of the plug rod (31) is provided with threads, the top inner wall of the secondary sealing ring (13) and the tertiary sealing ring (14) is provided with threaded grooves, the plug rod (31) is threadedly connected to the inner wall of the threaded groove, and a knob (32) is fixedly connected to the top surface of the plug rod (31).

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