Mechanical seal assembly sealing mechanism
The mechanical seal assembly with enhanced components addresses leakage issues in mechanical seals by improving stability and sealing integrity, enhancing operational reliability under high pressure and temperature.
Patent Information
- Application Number
- CN202422132661.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-02
- Publication Date
- 2025-07-15
- Estimated Expiration
- 2034-09-02
AI Technical Summary
Existing sealing devices are prone to leakage under high pressure and high temperature conditions, affecting mechanical operation and causing safety hazards.
The mating structure of the bending sleeve, main seal moving ring, main sealing static ring, end cover, flange, first pushing ring and spring is adopted, and combined with the design of anti-rotation pin, second pushing ring, secondary static ring, secondary static ring, transmission pin, positioning card, fixing ring, O-ring and sealing ring, enhance the stability and sealing of mechanical connection.
It improves the stability and sealing of the connection between the machinery and pipes, avoids leakage during long-term work, and ensures the safe and reliable operation of the machinery.
Smart Images
Figure CN223105272U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of sealing technology, and particularly relates to a mechanical seal assembly sealing mechanism. Background Art
[0002] A mechanical seal, also known as a gland seal, is a sealing device used to prevent fluid leakage. It is widely used in various rotating machinery such as pumps, agitators, compressors, and valves. The mechanical seal prevents fluid from leaking from the space between the rotating shaft and the stationary component through the contact or very small gap between two relatively rotating sealing surfaces. By reducing fluid leakage, the mechanical seal helps to improve the operating efficiency and performance of the machinery.
[0003] A sealing device is required at the connection between the machinery and the pipeline. Currently, under the working conditions of long-term high pressure and high temperature, the existing sealing devices are extremely prone to leakage, which affects the operation of the machinery and poses a safety hazard, resulting in irreparable losses. Utility Model Content
[0004] The purpose of this utility model is to provide a mechanical seal assembly sealing mechanism to solve the problems raised in the above background art.
[0005] The embodiments of this application adopt the following technical solutions:
[0006] A mechanical seal assembly sealing mechanism includes a shaft sleeve. A baffle sleeve is sleeved on the outer surface of the shaft sleeve. A main seal dynamic ring is installed on the outer surface of the shaft sleeve. A main seal static ring is sleeved on the outer surface of the shaft sleeve. An end cover is clamped on the outer surface of the main seal static ring. A flange is threadedly connected to the outer surface of the shaft sleeve. A first push ring is installed on the outer surface of the main seal static ring. A spring is fixedly connected to the inner part of the flange and the outer surface of the first push ring. A secondary static ring is threadedly connected to the outer surface of the shaft sleeve. A second push ring is installed on the outer surface of the shaft sleeve. An anti-rotation pin is threadedly connected to the outer surface of the flange and the outer surface of the secondary static ring. A secondary dynamic ring is threadedly connected to the outer surface of the shaft sleeve. A fixed ring is fixedly connected to the outer surface of the shaft sleeve. A transmission pin is threadedly connected to the outer surface of the fixed ring and the outer surface of the secondary dynamic ring. A positioning clip is threadedly connected to the outer surface of the flange and the outer surface of the fixed ring.
[0007] Preferably, an O-ring is clamped inside the shaft sleeve, and the material of the O-ring is silicone.
[0008] Preferably, a sealing ring is sleeved on the outer surface of the main seal dynamic ring, and the sealing ring is in contact with the shaft sleeve.
[0009] Preferably, an instruction board is provided on the front surface of the shaft sleeve, and a protective layer is fixedly connected to the outer surface of the instruction board.
[0010] Preferably, the back surface of the description board is fixedly connected to the outer surface of the flange.
[0011] The above-mentioned at least one technical solution adopted in the embodiments of the present application can achieve the following beneficial effects:
[0012] First, through the cooperation of the baffle sleeve, main seal dynamic ring, main seal static ring, end cover, flange, first push ring and spring, the stability during the rotation after the shaft sleeve is mechanically connected is increased, and the stability between the machine and the pipeline is improved.
[0013] Second, through the cooperation of the anti-rotation pin, second push ring, auxiliary static ring, auxiliary dynamic ring, transmission pin, positioning card, fixing ring, O-ring and sealing ring, while increasing the stability, the sealing performance is enhanced, and leakage during long-term operation of the machine is avoided. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The schematic embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation to the present application. In the drawings:
[0015] Figure 1 is: the front view structural schematic diagram of the mechanical seal assembly sealing mechanism of the present utility model;
[0016] Figure 2 is: the front sectional structural schematic diagram of the mechanical seal assembly sealing mechanism of the present utility model;
[0017] Figure 3 is: in the mechanical seal assembly sealing mechanism of the present utility model Figure 2 is the enlarged schematic diagram of the structure at A.
[0018] In the figure: 1, shaft sleeve; 2, baffle sleeve; 3, main seal dynamic ring; 4, main seal static ring; 5, end cover; 6, flange; 7, first push ring; 8, spring; 9, anti-rotation pin; 10, second push ring; 11, auxiliary static ring; 12, auxiliary dynamic ring; 13, transmission pin; 14, positioning card; 15, fixing ring; 16, O-ring; 17, sealing ring; 18, description board. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0019] To make the purpose, technical solutions and advantages of the present application clearer, the technical solutions of the present application will be clearly and completely described below in conjunction with the specific embodiments of the present application and the corresponding drawings. 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.
[0020] The following will detail the technical solutions provided by the embodiments of the present application in conjunction with the drawings.
[0021] Please refer to Figures 1-3 , the present utility model provides a technical solution for a mechanical seal assembly sealing mechanism:
[0022] A mechanical seal assembly sealing mechanism includes a shaft sleeve 1, a baffle sleeve 2 is sleeved on the outer surface of the shaft sleeve 1, a main seal dynamic ring 3 is installed on the outer surface of the shaft sleeve 1, a main seal static ring 4 is sleeved on the outer surface of the shaft sleeve 1, an end cover 5 is clamped on the outer surface of the main seal static ring 4, a flange 6 is threadedly connected to the outer surface of the shaft sleeve 1, a first push ring 7 is installed on the outer surface of the main seal static ring 4, a spring 8 is fixedly connected to the inner part of the flange 6 and the outer surface of the first push ring 7 together, a secondary static ring 11 is threadedly connected to the outer surface of the shaft sleeve 1, a second push ring 10 is installed on the outer surface of the shaft sleeve 1, an anti-rotation pin 9 is threadedly connected to the outer surface of the flange 6 and the outer surface of the secondary static ring 11 together, a secondary dynamic ring 12 is threadedly connected to the outer surface of the shaft sleeve 1, a fixing ring 15 is fixedly connected to the outer surface of the shaft sleeve 1, a transmission pin 13 is threadedly connected to the outer surface of the fixing ring 15 and the outer surface of the secondary dynamic ring 12 together, and a positioning clip 14 is threadedly connected to the outer surface of the flange 6 and the outer surface of the fixing ring 15 together; specifically, through the cooperation of the baffle sleeve 2, the main seal dynamic ring 3, the main seal static ring 4, the end cover 5, the flange 6, the first push ring 7 and the spring 8, the stability when the shaft sleeve 1 rotates after being mechanically connected is increased, and the stability between the machine and the pipeline is improved;
[0023] In this embodiment, an O-ring 16 is clamped inside the shaft sleeve 1, and the material of the O-ring 16 is silica gel; a sealing ring 17 is sleeved on the outer surface of the main seal dynamic ring 3, and the sealing ring 17 is in contact with the shaft sleeve 1; specifically, through the O-ring 16 provided, the sealing performance of the device can be improved, and through the sealing ring 17 provided, the sealing performance during external connection is increased;
[0024] In this embodiment, an instruction board 18 is provided on the front surface of the shaft sleeve 1, and a protective layer is fixedly connected to the outer surface of the instruction board 18; the back surface of the instruction board 18 is fixedly connected to the outer surface of the flange 6; specifically, through the instruction board 18 provided, the usage matters of the device can be provided for users.
[0025] Working principle: When this mechanical seal assembly sealing mechanism is used, the user first installs the main seal dynamic ring 3 on the outer surface of the shaft sleeve 1, then sleeves the baffle sleeve 2 on the outside of the shaft sleeve 1, then installs the first push ring 7 on the main seal static ring 4, and sleeves the main seal static ring 4 on the outside of the shaft sleeve 1 and contacts the main seal dynamic ring 3, then fixes the flange 6 above the shaft sleeve 1 through threaded installation, the spring 8 will contact the first push ring 7, then the second push ring 10 and the secondary static ring 11 are sleeved on the shaft sleeve 1 in turn, then the fixing ring 15 is installed on the outer surface of the shaft sleeve 1, and then the positioning clip 14 is screwed to contact the flange 6 and the fixing ring 15 in turn to complete the assembly.
[0026] It should also be noted that the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, such that a process, method, commodity or device comprising a series of elements not only includes those elements but also includes other elements not expressly listed, or further includes elements inherent to such process, method, commodity or device. Without further limitation, an element defined by the statement "comprising an..." does not exclude the presence of additional identical elements in the process, method, commodity or device comprising said element.
[0027] The above description is only for the embodiments of the present application and is not intended to limit the present application. For those skilled in the art, various changes and modifications can be made to the present application. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present application shall be included within the scope of the claims of the present application.
Claims
1. A mechanical seal assembly sealing mechanism, including a shaft sleeve (1), characterized in that: A baffle sleeve (2) is sleeved on the outer surface of the bushing (1). A main seal dynamic ring (3) is installed on the outer surface of the bushing (1). A main seal static ring (4) is sleeved on the outer surface of the bushing (1). An end cover (5) is clamped on the outer surface of the main seal static ring (4). A flange (6) is threadedly connected to the outer surface of the bushing (1). A first push ring (7) is installed on the outer surface of the main seal static ring (4). A spring (8) is fixedly connected to the inner part of the flange (6) and the outer surface of the first push ring (7). A secondary static ring (11) is threadedly connected to the outer surface of the bushing (1). A second push ring (10) is installed on the outer surface of the bushing (1). An anti-rotation pin (9) is threadedly connected to the outer surface of the flange (6) and the outer surface of the secondary static ring (11). A secondary dynamic ring (12) is threadedly connected to the outer surface of the bushing (1). A fixing ring (15) is fixedly connected to the outer surface of the bushing (1). A transmission pin (13) is threadedly connected to the outer surface of the fixing ring (15) and the outer surface of the secondary dynamic ring (12). A positioning clip (14) is threadedly connected to the outer surface of the flange (6) and the outer surface of the fixing ring (15).
2. The mechanical seal assembly sealing mechanism according to claim 1, characterized in that: An O-ring (16) is clamped inside the bushing (1), and the material of the O-ring (16) is silica gel.
3. The hermetic assembly sealing mechanism according to claim 1, characterized in that: A sealing ring (17) is sleeved on the outer surface of the main seal dynamic ring (3), and the sealing ring (17) is in contact with the bushing (1).
4. A mechanical seal assembly sealing mechanism according to claim 1, characterized in that: An instruction board (18) is provided on the front surface of the bushing (1), and a protective layer is fixedly connected to the outer surface of the instruction board (18).
5. The hermetic assembly sealing mechanism according to claim 4, characterized in that: The back surface of the instruction board (18) is fixedly connected to the outer surface of the flange (6).