Mechanical sealing element with sealing ring convenient to replace

By designing a mechanical seal with a structure including rings, slide grooves, connecting grooves, etc., the problem of inconvenient installation and disassembly of the seal ring in the prior art is solved, the convenient replacement of the seal ring and the wear, corrosion and high temperature resistance of the seal are achieved, and the practicality of the seal is improved.

CN222650564UActive Publication Date: 2025-03-21沈阳天航精密机械有限责任公司
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Patent Information

Application Number
CN202420805539.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-18
Publication Date
2025-03-21
Estimated Expiration
2034-04-18

AI Technical Summary

Technical Problem

Existing mechanical seals are inconvenient to install and disassemble the seal ring when used, resulting in a reduction in the practicality of the seal.

Method used

A mechanical seal structure including a ring, a sliding groove, a connecting groove, a clamp groove, a placement groove, a mounting ring and a fixing block is designed. Through the use of these structures, the sealing ring is easily disassembled and replaced.

Benefits of technology

It realizes convenient installation and disassembly of the seal ring, improves the convenience of use of the seal, and at the same time, through the design of stain-resistant, corrosion-resistant, high-temperature-resistant and wear-resistant layers, the wear-resistant, corrosion-resistant and high-temperature-resistant effects of the seal ring are improved, and the service life is extended.

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Abstract

The utility model relates to the technical field of mechanical sealing elements, and discloses a mechanical sealing element convenient to replace a sealing ring, which comprises a circular ring, sliding chutes are arranged on two sides of the circular ring, a connecting groove is arranged on one side of each sliding chute, a clamping groove is arranged on one side of each connecting groove, a placing groove is arranged in the circular ring, and a sealing ring is arranged in the placing groove. A sealing ring body is arranged in the containing groove, a mounting ring is slidably connected to the interior of the circular ring, fixing blocks are fixedly connected to the two sides of the mounting ring, grooves are formed in the sides, away from each other, of the fixing blocks, adapter shafts are fixedly connected to the interiors of the grooves, and connecting blocks are rotatably connected to the exteriors of the adapter shafts. And the right side of the connecting block is fixedly connected with a clamping plate. According to the sealing ring, the sealing ring body can be conveniently detached and replaced, the sealing ring is convenient to use, the wear-resisting, corrosion-resisting and high-temperature-resisting effects of the sealing ring body are improved, and the service life and the sealing effect of the sealing ring body are guaranteed.
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Description

Technical Field

[0001] The utility model relates to the technical field of mechanical seals, in particular to a mechanical seal which is convenient for replacing a sealing ring. Background Art

[0002] Mechanical seals are one of the most precise and complex basic mechanical components. They are key components of various pumps, reaction synthesis kettles, turbine compressors, submersible motors and other equipment.

[0003] In the prior art, a mechanical seal increases the flow path of the lubrication groove by setting a cooling circuit, thereby facilitating heat dissipation; the centrifugal force when the dynamic ring rotates is used to allow the lubricating oil in the cooling circuit to circulate and cool down.

[0004] However, the above device is not convenient for installing and disassembling the sealing ring during use, and has certain use defects, which reduces the practicality of the sealing member. Utility Model Content

[0005] The utility model aims to solve the shortcomings of the prior art that the sealing ring is inconvenient to install and disassemble and has certain use defects, and proposes a mechanical sealing member that is easy to replace the sealing ring.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a mechanical seal for facilitating replacement of a sealing ring, comprising a circular ring, slide grooves are provided on both sides of the circular ring, a connecting groove is provided on one side of the slide groove, a clamping groove is provided on one side of the connecting groove, a placement groove is provided inside the circular ring, a sealing ring body is provided inside the placement groove, a mounting ring is slidably connected inside the circular ring, fixed blocks are fixedly connected on both sides of the mounting ring, a groove is provided on the opposite side of the fixed block, a transfer shaft is fixedly connected inside the groove, a connecting block is rotatably connected outside the connecting shaft, a clamping plate is fixedly connected to the right side of the connecting block, and buffer components are fixedly connected on both sides of the groove.

[0007] As a further description of the above technical solution:

[0008] The buffer assembly includes a spring, the spring is fixedly connected inside the groove, the top of the spring is fixedly connected with a clamping plate, the fixed block is slidably connected inside the slide groove, and the inside of the circular ring and the mounting ring is slidably connected with a mechanical shaft.

[0009] As a further description of the above technical solution:

[0010] The outside of the sealing ring body is provided with a stain-resistant layer, the outside of the stain-resistant layer is provided with a reinforcement component, and the outside of the reinforcement component is provided with a wear-resistant layer.

[0011] As a further description of the above technical solution:

[0012] The reinforcement component comprises a corrosion-resistant layer, wherein the corrosion-resistant layer is arranged outside the anti-fouling layer, and a high-temperature resistant layer is arranged outside the corrosion-resistant layer.

[0013] As a further description of the above technical solution:

[0014] The sliding groove is communicated with the connecting groove, and the connecting groove is communicated with the clamping groove.

[0015] As a further description of the above technical solution:

[0016] The mounting ring is slidably connected to the right side of the sealing ring body.

[0017] As a further description of the above technical solution:

[0018] A wear-resistant layer is arranged outside the high temperature resistant layer.

[0019] As a further description of the above technical solution:

[0020] The fixing block is slidably connected inside the connecting groove and the clamping groove.

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

[0022] 1. In the utility model, by using the matching of the placement groove, the circular ring, the mounting ring, the fixing block, the sliding groove, the connecting groove, the clamping plate, the spring, the clamping groove and the like, the sealing ring body can be easily disassembled and replaced, and is easy to use.

[0023] 2. In the utility model, the anti-fouling layer, the corrosion-resistant layer, the high-temperature resistant layer, the wear-resistant layer and other structures are used in coordination to improve the wear resistance, corrosion resistance and high-temperature resistance of the sealing ring body, thereby ensuring the service life and sealing effect of the sealing ring body. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 A three-dimensional diagram of a mechanical seal for facilitating replacement of a sealing ring proposed by the utility model;

[0025] Figure 2 This is a disassembled diagram of a mechanical seal proposed by the utility model for facilitating replacement of a sealing ring;

[0026] Figure 3 A cross-sectional view of an installation ring of a mechanical seal that is convenient for replacing a sealing ring, proposed by the utility model;

[0027] Figure 4 A circular cross-sectional view of a mechanical seal for facilitating replacement of a sealing ring proposed by the utility model;

[0028] Figure 5 The utility model discloses a sectional view of a sealing ring body of a mechanical sealing member which is convenient for replacing the sealing ring.

[0029] Legend:

[0030] 1. Circular ring; 2. Mechanical shaft; 3. Slide groove; 4. Connecting groove; 5. Card slot; 6. Placement groove; 7. Sealing ring body; 8. Mounting ring; 9. Fixed block; 10. Adapter shaft; 11. Wear-resistant layer; 12. Connecting block; 13. Card plate; 14. Spring; 15. Groove; 16. Anti-fouling layer; 17. Corrosion-resistant layer; 18. High-temperature resistant layer. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] Reference Figure 2 , Figure 3 , Figure 4 , the utility model provides an embodiment: a mechanical seal for facilitating replacement of a sealing ring, comprising a circular ring 1, a slide groove 3 is provided on both sides of the circular ring 1, a connecting groove 4 is provided on one side of the slide groove 3, a clamping groove 5 is provided on one side of the connecting groove 4, a placement groove 6 is provided inside the circular ring 1, a sealing ring body 7 is provided inside the placement groove 6, a mounting ring 8 is slidably connected inside the circular ring 1, a fixing block 9 is fixedly connected on both sides of the mounting ring 8, a groove 15 is provided on the side away from the fixing block 9, a transfer shaft 10 is fixedly connected inside the groove 15, a connecting block 12 is rotatably connected outside the transfer shaft 10, a clamping plate 13 is fixedly connected on the right side of the connecting block 12, and a buffer assembly is fixedly connected on both sides of the interior of the groove 15; the buffer assembly comprises a spring 14, the spring 14 is fixedly connected inside the groove 15, the top of the spring 14 is fixedly connected to the clamping plate 13, the fixing block 9 is slidably connected inside the slide groove 3, and the mechanical shaft 2 is slidably connected inside the circular ring 1 and the mounting ring 8.

[0033] By placing the sealing ring body 7 inside the placement groove 6, inserting the mechanical axis 2 into the circular ring 1, and then inserting the mounting ring 8 into the circular ring 1, the fixing block 9 on the mounting ring 8 is inserted along the slide groove 3 until the fixing block 9 moves to the bottom of the slide groove 3, and then the circular ring 1 and the mounting ring 8 are rotated in the opposite direction, the fixing block 9 will move along the direction of the connecting groove 4 until it moves to the bottom of the connecting groove 4 and stops rotating. The clamping plate 13 pushes the fixing block 9 into the clamping groove 5 under the elastic force of the spring 14, and pushes the fixing block 9 to the inner wall of the clamping groove 5 to fix it, which makes it easy to disassemble and replace the sealing ring body 7.

[0034] Reference Figure 4 , Figure 5 A stain-resistant layer 16 is arranged on the outside of the sealing ring body 7, a reinforcement component is arranged on the outside of the stain-resistant layer 16, and a wear-resistant layer 11 is arranged on the outside of the reinforcement component; the reinforcement component includes a corrosion-resistant layer 17, the corrosion-resistant layer 17 is arranged on the outside of the stain-resistant layer 16, and a high-temperature resistant layer 18 is arranged on the outside of the corrosion-resistant layer 17.

[0035] The anti-fouling layer 16 is set to ensure that the sealing ring body 7 has a good anti-fouling effect when in use. The corrosion-resistant layer 17 is set to prevent the sealing ring body 7 from serious corrosion and aging when in use. The high-temperature resistant layer 18 is set to improve the high-temperature resistance of the sealing ring body 7. The wear-resistant layer 11 is set to improve the wear resistance of the sealing ring body 7, which plays a role in improving the wear resistance, corrosion resistance and high-temperature resistance of the sealing ring body 7.

[0036] Reference Figure 1 , Figure 4 , Figure 5 The slide groove 3 is connected to the connecting groove 4, and the connecting groove 4 is connected to the clamping groove 5; the mounting ring 8 is slidably connected to the right side of the sealing ring body 7; a wear-resistant layer 11 is provided on the outside of the high temperature resistant layer 18; and the fixing block 9 is slidably connected to the inside of the connecting groove 4 and the clamping groove 5.

[0037] The slide groove 3 is connected with the connecting groove 4, and the connecting groove 4 is connected with the clamping groove 5, so that the installation ring 8 is convenient to fix; the installation ring 8 is slidably connected to the right side of the sealing ring body 7, so that the sealing ring body 7 is fixed; the wear-resistant layer 11 is provided on the outside of the high-temperature resistant layer 18, so that the wear resistance of the sealing ring body 7 is improved; the fixing block 9 is slidably connected to the inside of the connecting groove 4 and the clamping groove 5, so that the installation ring 8 is fixed.

[0038] Working principle: When using this device, first place the sealing ring body 7 inside the placement groove 6, then insert the mechanical shaft 2 into the circular ring 1, and then insert the mounting ring 8 into the circular ring 1, and insert the fixing block 9 on the mounting ring 8 along the slide groove 3 until the fixing block 9 moves to the bottom of the slide groove 3, and then rotate the circular ring 1 and the mounting ring 8 in the opposite direction, and the fixing block 9 will move along the direction of the connecting groove 4 until it moves to the bottom of the connecting groove 4 and stops rotating. At this time, the clamping plate 13 pushes the fixing block 9 into the clamping groove 5 under the elastic force of the spring 14, and pushes the fixing block 9 to the inner wall of the clamping groove 5 to fix it, so that the circular ring 1 and the mounting ring 8 are connected, and the convenience is realized. The sealing ring body 7 can be disassembled and replaced for easy use; the anti-fouling layer 16 is set, and the anti-fouling layer 16 makes the sealing ring body 7 have a good anti-fouling effect when in use; the corrosion-resistant layer 17 is set, so that the sealing ring body 7 will not be seriously corroded and aged when in use; the high-temperature resistant layer 18 is set to improve the high-temperature resistance of the sealing ring body 7; the wear-resistant layer 11 is set to improve the wear-resistant effect of the sealing ring body 7, so that people will not have abnormal wear when using the sealing ring, thereby improving the wear resistance, corrosion resistance, and high-temperature resistance of the sealing ring body 7, and ensuring the service life and sealing effect of the sealing ring body 7.

[0039] It is only a preferred embodiment of the present utility model and is not used to limit the present utility model. Although the present utility model is described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions recorded in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A mechanical seal for facilitating replacement of a sealing ring, comprising a ring (1), characterized in that: The circular ring (1) is provided with a slide groove (3) on both sides, a connecting groove (4) is provided on one side of the slide groove (3), a clamping groove (5) is provided on one side of the connecting groove (4), a placement groove (6) is provided inside the circular ring (1), a sealing ring body (7) is provided inside the placement groove (6), a mounting ring (8) is slidably connected inside the circular ring (1), a fixing block (9) is fixedly connected on both sides of the mounting ring (8), a groove (15) is provided on the side away from the fixing block (9), a transfer shaft (10) is fixedly connected inside the groove (15), a connection block (12) is rotatably connected outside the transfer shaft (10), a clamping plate (13) is fixedly connected to the right side of the connection block (12), and a buffer assembly is fixedly connected to both sides of the groove (15).

2. A mechanical seal for facilitating replacement of a sealing ring according to claim 1, characterized in that: The buffer assembly comprises a spring (14), the spring (14) is fixedly connected inside the groove (15), the top end of the spring (14) is fixedly connected to a clamping plate (13), the fixed block (9) is slidably connected inside the slide groove (3), and the inside of the circular ring (1) and the mounting ring (8) is slidably connected to a mechanical shaft (2).

3. A mechanical seal for facilitating replacement of a sealing ring according to claim 1, characterized in that: The sealing ring body (7) is provided with a stain-resistant layer (16) on the outside, a reinforcement component is provided on the outside of the stain-resistant layer (16), and a wear-resistant layer (11) is provided on the outside of the reinforcement component.

4. A mechanical seal for facilitating replacement of a sealing ring according to claim 3, characterized in that: The reinforcement component comprises a corrosion-resistant layer (17), wherein the corrosion-resistant layer (17) is arranged outside the anti-fouling layer (16), and a high-temperature resistant layer (18) is arranged outside the corrosion-resistant layer (17).

5. The mechanical seal for facilitating replacement of a sealing ring according to claim 1, characterized in that: The sliding groove (3) is connected to the connecting groove (4), and the connecting groove (4) is connected to the clamping groove (5).

6. A mechanical seal for facilitating replacement of a sealing ring according to claim 1, characterized in that: The mounting ring (8) is slidably connected to the right side of the sealing ring body (7).

7. A mechanical seal for facilitating replacement of a sealing ring according to claim 4, characterized in that: A wear-resistant layer (11) is arranged outside the high-temperature resistant layer (18).

8. The mechanical seal for facilitating replacement of a sealing ring according to claim 1, characterized in that: The fixing block (9) is slidably connected inside the connecting groove (4) and the clamping groove (5).