Water filter cartridge sealing device for ultrafiltration oil separator

Abstract

This utility model belongs to the technical field of ultrafiltration oil separators, specifically relating to a sealing device for the dewatering filter element of an ultrafiltration oil separator. It includes a body, with a cover threadedly connected to the outer side of the body. A gasket is fixedly connected inside the body, and a sealing ring is slidably connected inside the cover. A sliding rod is fixedly connected to the lower end of the cover, and the sliding rod is slidably connected to the sealing ring. A spring is installed inside the sealing ring, and a filter element is installed inside the body, slidably connected to the gasket. This utility model adds a gasket, sealing ring, and spring assembly. During installation, the spring force drives the sealing ring to tightly fit against the gasket, forming a dynamic compensation sealing structure. This design effectively solves the problem of sealing surface wear caused by frequent disassembly and reassembly of the filter element cover in ultrafiltration oil separators, preventing oil leakage, significantly improving the sealing reliability between the cover and the container, and eliminating the need for repeated fastener adjustments, simplifying the maintenance process.

Description

Technical Field

[0001] This utility model relates to the field of ultrafiltration oil separator technology, specifically to a sealing device for the water removal filter element of an ultrafiltration oil separator. Background Technology

[0002] Ultrafiltration oil separators are high-efficiency oil purification devices widely used in shipbuilding, power, and industrial fields to remove water and impurities from lubricating oil and fuel oil, ensuring stable equipment operation. Their core function is to efficiently remove free water, emulsified water, and solid particles from oil through physical separation technology, significantly reducing the water content of oil (down to below 100 ppm), preventing equipment corrosion, wear, or performance degradation caused by water, and extending the service life of mechanical equipment (such as engines, hydraulic systems, and turbines).

[0003] In practical use, when replacing the water removal filter element of an ultrafiltration oil separator, frequent disassembly of the cover can easily lead to poor sealing between the cover and the machine body. This problem can cause oil leakage, not only polluting the working environment but also causing unstable internal pressure, reducing water separation efficiency, and even causing equipment failure. Some users have reported that frequent disassembly and reassembly require repeated adjustments to the clamp tightness or replacement of the sealing ring to restore sealing, increasing maintenance costs and downtime. Therefore, optimizing the cover sealing structure (such as using wear-resistant sealing materials or a quick-release locking design) has become a key direction for improving the reliability of ultrafiltration oil separators. Summary of the Invention

[0004] The purpose of this utility model is to provide a sealing device for the water removal filter element of an ultrafiltration oil separator, which solves the problem that when the water removal filter element of an ultrafiltration oil separator is replaced, the cover is frequently disassembled, which easily leads to poor sealing between the cover and the machine body.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a sealing device for a dewatering filter element of an ultrafiltration oil separator, comprising a body, a cover connected to the outside of the body by threads, a gasket fixedly connected inside the body, a sealing ring slidably connected inside the cover, a slide rod fixedly connected to the lower end of the cover, the slide rod slidably connected to the sealing ring, a spring provided inside the sealing ring, a filter element provided inside the body, the filter element slidably connected to the gasket, and a fixing mechanism provided on the cover.

[0006] Preferably, the sealing ring is slidably connected to the body and contacts the gasket ring. The design of the sealing ring can increase the sealing performance between the cover and the body.

[0007] Preferably, a limiting ring is fixedly connected inside the sealing ring, and the limiting ring is slidably connected to the slide rod. Through the design of the limiting ring, the slide rod can be limited.

[0008] Preferably, one end of the spring contacts the slide rod, and the other end of the spring contacts the sealing ring. Through the design of the spring, the sealing ring and the gasket can be brought into contact.

[0009] Preferably, the fixing mechanism includes a fixing tube, the upper end of the cover is fixedly connected to the fixing tube, a connecting tube is inserted into the outside of the fixing tube, the upper end of the cover is fixedly connected to a fixing block, the outside of the fixing block is rotatably connected to a limiting sleeve, the inside of the limiting sleeve is fixedly connected to a protrusion, the protrusion is slidably connected to the fixing block, and the outside of the connecting tube is fixedly connected to a limiting bracket. Through the design of the fixing mechanism, the connection between the connecting tube and the fixing tube can be kept stable.

[0010] Preferably, the limiting sleeve contacts the cover, and the limiting sleeve is connected to the connecting pipe by a thread. The design of the limiting sleeve can limit the movement of the connecting pipe.

[0011] Preferably, the limiting frame is slidably connected to the cover, and the limiting frame is in contact with the limiting sleeve. Through the design of the limiting frame, the connecting pipe can be positioned.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0013] 1. This utility model adds a gasket ring, a sealing ring, and a spring assembly. During installation, the spring force drives the sealing ring to fit tightly against the gasket ring, forming a dynamic compensation sealing structure. This design effectively solves the problem of wear on the sealing surface caused by frequent disassembly and reassembly of the filter element cover in ultrafiltration oil separators, avoids oil leakage, significantly improves the sealing reliability between the cover and the barrel, and eliminates the need for repeated adjustment of fasteners, simplifying the maintenance process.

[0014] 2. This utility model innovatively incorporates a fixing block, a limiting sleeve, and a positioning frame as a cooperating component. When the connecting pipe is inserted into the fixing pipe, the positioning frame precisely limits the axial position of the connecting pipe, while the limiting sleeve tightly constrains the connecting pipe circumferentially. This dual-limiting structure effectively eliminates loosening and displacement. This design significantly improves the stability of pipe fitting insertion, avoids the risk of loosening due to vibration or pressure, has a simple structure, requires no additional tightening operations, and ensures long-term reliable connection of the pipeline system. Attached Figure Description

[0015] Figure 1 This is a three-dimensional view of the overall structure of this utility model;

[0016] Figure 2 For the present utility model Figure 1 A partial three-dimensional structural diagram;

[0017] Figure 3 For the present utility model Figure 1 A partial structural front sectional view;

[0018] Figure 4For the present utility model Figure 3 Enlarged view of part A in the diagram;

[0019] Figure 5 For the present utility model Figure 3 Enlarged view of section B in the diagram.

[0020] In the diagram: 1. Body; 2. Cover; 3. Gasket; 31. Sealing ring; 32. Slide rod; 33. Limiting ring; 34. Spring; 35. Filter element; 4. Fixing mechanism; 41. Fixing tube; 42. Connecting tube; 43. Fixing block; 44. Limiting sleeve; 45. Protrusion; 46. Limiting frame. Detailed Implementation

[0021] Please see Figure 1-5 The sealing device for the water removal filter element of the ultrafiltration oil separator includes a body 1. A cover 2 is threadedly connected to the outside of the body 1. A gasket 3 is fixedly connected inside the body 1. A sealing ring 31 is slidably connected inside the cover 2. The sealing ring 31 is slidably connected to the body 1 and contacts the gasket 3. The design of the sealing ring 31 can increase the sealing between the cover 2 and the body 1. A slide rod 32 is fixedly connected to the lower end of the cover 2 and is slidably connected to the sealing ring 31.

[0022] Please see Figure 2-5 The sealing ring 31 is internally fixedly connected to a limiting ring 33, which is slidably connected to the slide rod 32. The limiting ring 33 is designed to limit the slide rod 32. The sealing ring 31 is internally equipped with a spring 34, one end of which contacts the slide rod 32 and the other end of which contacts the sealing ring 31. The spring 34 is designed to drive the sealing ring 31 to fit with the gasket 3. The body 1 is internally equipped with a filter element 35, which is slidably connected to the gasket 3. The cover 2 is equipped with a fixing mechanism 4.

[0023] Please see Figure 2-5 The fixing mechanism 4 includes a fixing tube 41. The upper end of the cover 2 is fixedly connected to the fixing tube 41. A connecting tube 42 is inserted into the outside of the fixing tube 41. The upper end of the cover 2 is fixedly connected to a fixing block 43. A limiting sleeve 44 is rotatably connected to the outside of the fixing block 43. The limiting sleeve 44 contacts the cover 2. The limiting sleeve 44 and the connecting tube 42 are connected by threads. The design of the limiting sleeve 44 can limit the connecting tube 42. A protrusion 45 is fixedly connected inside the limiting sleeve 44. The protrusion 45 is slidably connected to the fixing block 43. A limiting frame 46 is fixedly connected to the outside of the connecting tube 42. The limiting frame 46 is slidably connected to the cover 2. The limiting frame 46 contacts the limiting sleeve 44. The design of the limiting frame 46 can position the connecting tube 42. The design of the fixing mechanism 4 can keep the connection between the connecting tube 42 and the fixing tube 41 stable.

[0024] The specific implementation process of this utility model is as follows: In use, by inserting the connecting pipe 42 into the fixed pipe 41, the connecting pipe 42 drives the limiting frame 46 to be inserted into the cover 2. Then, the limiting sleeve 44 is rotated, so that the limiting sleeve 44 and the connecting pipe 42 undergo threaded movement, thereby limiting the connecting pipe 42, so that the limiting sleeve 44 plays a limiting role on the connecting pipe 42, thereby keeping the connecting pipe 42 stable after being inserted into the fixed pipe 41.

[0025] After replacing the filter element 35, connect the cover 2 to the body 1 via threads, allowing the cover 2 to slide the sealing ring 31 into the body 1, so that the sealing ring 31 contacts the gasket 3, and the sealing ring 31 slides on the slide rod 32, causing the sealing ring 31 to compress the spring 34. The elastic force of the spring 34 can then cause the sealing ring 31 to fit against the gasket 3, thereby effectively increasing the sealing between the cover 2 and the body 1.

Claims

1. A sealing device for the water removal filter element of an ultrafiltration oil separator, comprising a body (1), characterized in that: The outer side of the body (1) is connected to a cover (2) by a thread. The inside of the body (1) is fixedly connected to a gasket (3). The inside of the cover (2) is slidably connected to a sealing ring (31). The lower end of the cover (2) is fixedly connected to a slide rod (32). The slide rod (32) is slidably connected to the sealing ring (31). A spring (34) is provided inside the sealing ring (31). A filter element (35) is provided inside the body (1). The filter element (35) is slidably connected to the gasket (3). A fixing mechanism (4) is provided on the cover (2).

2. The sealing device for the water removal filter element of the ultrafiltration oil separator according to claim 1, characterized in that: The sealing ring (31) is slidably connected to the body (1), and the sealing ring (31) is in contact with the gasket (3).

3. The sealing device for the water removal filter element of the ultrafiltration oil separator according to claim 1, characterized in that: The sealing ring (31) is internally fixedly connected to a limiting ring (33), and the limiting ring (33) is slidably connected to the slide rod (32).

4. The sealing device for the water removal filter element of the ultrafiltration oil separator according to claim 1, characterized in that: One end of the spring (34) is in contact with the slide bar (32), and the other end of the spring (34) is in contact with the sealing ring (31).

5. The sealing device for the water removal filter element of the ultrafiltration oil separator according to claim 1, characterized in that: The fixing mechanism (4) includes a fixing tube (41), the upper end of the cover (2) is fixedly connected to the fixing tube (41), the outside of the fixing tube (41) is inserted with a connecting tube (42), the upper end of the cover (2) is fixedly connected to a fixing block (43), the outside of the fixing block (43) is rotatably connected to a limiting sleeve (44), the inside of the limiting sleeve (44) is fixedly connected to a protrusion (45), the protrusion (45) is slidably connected to the fixing block (43), and the outside of the connecting tube (42) is fixedly connected to a limiting bracket (46).

6. The sealing device for the water removal filter element of the ultrafiltration oil separator according to claim 5, characterized in that: The limiting sleeve (44) contacts the cover (2), and the limiting sleeve (44) is connected to the connecting pipe (42) by threads.

7. The sealing device for the water removal filter element of the ultrafiltration oil separator according to claim 5, characterized in that: The limiting frame (46) is slidably connected to the cover (2), and the limiting frame (46) is in contact with the limiting sleeve (44).

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