A filter mechanism and a hydrophobic valve group containing the mechanism

Abstract

The utility model relates to the technical field of trap, concretely is a kind of filtering mechanism and the trap group containing the mechanism, including adjusting plugging mechanism and filtering mechanism, adjusting plugging mechanism and filtering mechanism are located between upper flange ring and valve body, adjusting plugging mechanism includes rotatable plugging cylinder piece, for plugging or opening the main pipeline when rotating to specific position.The utility model is linked through filtering and plugging component, realizes the safe, fast on-line cleaning or replacement filter screen under the condition that system does not stop, simplifies maintenance operation, avoids production interruption, and effectively insulates heat conduction, while prolonging the life of trap, significantly improves maintenance security and operation convenience.

Description

Technical Field

[0001] This utility model relates to the field of steam trap technology, specifically to a filtration mechanism and a steam trap assembly containing the mechanism. Background Technology

[0002] Steam traps are key components in steam systems, used to automatically drain condensate and prevent steam leakage.

[0003] However, steam and condensate carry solid impurities such as rust and welding slag during their flow. If these impurities enter the steam trap, they can easily cause blockage or wear in its internal channels or valve ports, leading to steam trap failure, affecting system efficiency and causing energy waste. Utility Model Content

[0004] In order to overcome the above-mentioned technical problems, the purpose of this utility model is to provide a filtration mechanism and a drain valve assembly containing the mechanism, so as to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: A filtration mechanism includes a valve body with an upper flange and a connecting cylinder. A main pipeline is provided in the upper flange, connecting cylinder, and valve body. The mechanism further includes an adjusting and sealing mechanism and a filtering mechanism, located between the upper flange and the valve body. The adjusting and sealing mechanism includes a rotatable sealing cylinder for sealing or opening the main pipeline when rotated to a specific position. The filtering mechanism includes a filter element detachably disposed in the main pipeline, and the disassembly of the filtering mechanism is linked to the sealing action of the adjusting and sealing mechanism. The adjusting and sealing mechanism also includes a connecting shaft fixedly connected to the sealing cylinder and an adjusting sleeve threadedly connected to the connecting shaft. Rotating the adjusting sleeve can lock or release the rotational freedom of the sealing cylinder.

[0006] Preferably, the filtration mechanism includes a long plate, a plug fixedly connected to one end of the long plate, and a frame fixedly connected to the plug, wherein the filter element is detachably installed inside the frame.

[0007] Preferably, a sleeve is fitted onto the end of the long plate away from the plug, a locking head is provided on the outside of the sleeve, and a sliding groove is provided on the valve body to cooperate with the locking head.

[0008] Preferably, the sealing cylinder has a groove corresponding to the frame, so that when the filter mechanism rotates, the frame can rotate into or out of the sealing cylinder through the groove.

[0009] Preferably, a sealing ring is provided between the sealing cylinder and the connecting cylinder, and between the plug and the connecting cylinder.

[0010] Preferably, the surface of the adjusting sleeve is provided with anti-slip texture.

[0011] Preferably, the locking head is fixedly connected to the valve body by screws.

[0012] Preferably, the sleeve on the long plate and the adjusting sleeve are both made of heat-insulating material.

[0013] Preferably, the heat insulation material is reinforced polyamide, the connecting shaft is rotatably connected to the connecting cylinder, and the adjusting sleeve can contact the outer end face of the connecting cylinder.

[0014] Compared with the prior art, the beneficial effects of this utility model are: Before the filter components are disassembled and cleaned, the main flow path can be blocked by the internal sealing components. This mechanism allows the filter screen to be safely removed and cleaned while the steam system is running normally, avoiding production interruptions caused by filter maintenance. The maintenance process does not require disassembling pipes or flange connections; it can be completed with simple operations such as rotation and pulling, which significantly simplifies the process, shortens maintenance time, and reduces the safety risks of operating in high temperature and high pressure environments. The system achieves reliable switching between working and maintenance states through the linkage of components. The reasonable structural design ensures the sealing and stability of the system during normal operation. Effective filtration can prevent impurities from entering the steam trap, thereby reducing the failure rate of the steam trap, extending its service life, and reducing maintenance costs. The external operating handle and adjustment components are made of heat-insulating materials, which can effectively reduce heat conduction and prevent operators from being burned by high-temperature components. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a cross-sectional structural diagram of the entire utility model; Figure 3 This is a schematic diagram of the structure of the filtration mechanism and the regulating and sealing mechanism of this utility model; Figure 4 This is a structural schematic diagram of the frame and filter components of this utility model; Figure 5 This is a schematic diagram of the sealing cylinder part of this utility model.

[0016] In the diagram: 11. Valve body; 12. Upper flange ring; 13. Connecting cylinder; 2. Adjusting and sealing mechanism; 21. Sealing cylinder; 211. Channel; 22. Connecting shaft; 23. Adjusting sleeve; 3. Filtering mechanism; 31. Long plate; 32. Plug; 33. Frame; 34. Filter element; 35. Locking head. Detailed Implementation

[0017] 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 of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] One embodiment of this utility model is provided: refer to Figure 1 and Figure 2 A filtration mechanism includes a valve body 11, on which an upper flange ring 12 and a connecting cylinder 13 are provided. A main pipeline is provided in the upper flange ring 12, the connecting cylinder 13, and the valve body 11. The mechanism also includes: Adjusting the plugging mechanism 2 and the filtering mechanism 3, which are located between the upper flange ring 12 and the valve body 11, are used to filter the liquid flowing through the main pipeline. The adjusting and sealing mechanism 2 includes a sealing cylinder 21, a connecting shaft 22 is fixedly connected to one side of the sealing cylinder 21, and an adjusting sleeve 23 is threadedly connected to the end of the connecting shaft 22 away from the sealing cylinder 21. The surface of the adjusting sleeve 23 is provided with anti-slip texture, and a sealing ring is provided between the sealing cylinder 21 and the connecting cylinder 13. refer to Figure 3 - Figure 5 The filter mechanism 3 includes a long plate 31, one end of which is fitted with a sleeve, and the other end of which is fixedly connected to a plug 32. The end of the plug 32 away from the long plate 31 is fixedly connected to a frame 33. A filter element 34 is detachably installed inside the frame 33, and a locking head 35 is provided outside the sleeve of the long plate 31.

[0019] The sleeve at one end of the long plate 31 and the adjusting sleeve 23 are made of the same material and are mainly used for heat insulation.

[0020] A sealing ring is provided between the plug 32 and the connecting cylinder 13. The sealing cylinder 21 is provided with a channel 211 corresponding to the frame 33. The valve body 11 is slidably connected to the locking head 35 through a sliding groove. The locking head 35 contacts the long plate 31 through a groove.

[0021] The adjusting sleeve 23 is in contact with the connecting cylinder 13, and the connecting shaft 22 is rotatably connected to the connecting cylinder 13.

[0022] Working principle: refer to Figure 1 and Figure 2 The upper flange ring 12 is connected to the steam system pipeline via a flange. Steam and water in the steam system enter the valve body 11 through the upper flange ring 12, the connecting cylinder 13 and the main pipeline in the valve body 11. The steam trap is used to discharge water and prevent steam from being discharged.

[0023] In this device, the medium flowing through the main pipeline passes through the regulating and sealing mechanism 2 and the filtering mechanism 3. The filter element 34 in the filtering mechanism 3 filters the medium, thereby preventing impurities from entering the drain valve, avoiding blockage and improving service life.

[0024] After prolonged use, the filter element 34 needs to be cleaned and maintained to remove impurities. During operation, first rotate the adjusting sleeve 23. The adjusting sleeve 23 moves axially to the right along the connecting shaft 22 via its thread, releasing the contact between the adjusting sleeve 23 and the connecting cylinder 13. At this point, the sealing cylinder 21 is unlocked and can rotate. Next, disassemble the locking head 35 to disengage it from the groove of the valve body 11. Simultaneously, the sleeve on the long plate 31 disengages from the groove of the locking head 35. Hold the sleeve of the long plate 31 and rotate it. The long plate 31 causes the plug 32 and frame 33 to rotate 90 degrees, aligning the groove 211 on the sealing cylinder 21 with the main pipeline. The sealing cylinder 21 blocks the main channel, preventing steam and liquid from passing through. Then, rotate the adjusting sleeve 23 in the opposite direction to contact the connecting cylinder 13 and tighten it to lock the positions of the sealing cylinder 21 and the connecting shaft 22.

[0025] At this point, pull the long plate 31 away from the connecting cylinder 13 to remove the long plate 31, plug 32, frame 33, and filter 34 from the connecting cylinder 13. After removal, disassemble the filter 34 on the frame 33 for cleaning, and then reinstall the filter 34 into the frame 33. Subsequently, reinsert the assembled long plate 31 and other components into the connecting cylinder 13, loosen the adjusting sleeve 23, rotate the long plate 31 90 degrees in the opposite direction to release the obstruction of the sealing cylinder 21 to the main channel, and finally tighten the adjusting sleeve 23 to complete the installation.

[0026] Furthermore, the locking head 35 is connected to the valve body 11 by screws. When the long plate 31 is limited by the groove of the locking head 35, it can prevent the long plate 31 from rotating and prevent the long plate 31 and the plug 32 from being pushed out by internal pressure during operation. In this device, the sleeve and adjusting sleeve 23 at one end of the long plate 31 are both made of reinforced polyamide material, with nylon 66 (PA66) as the base material and 30% alkali-free glass fiber added for reinforcement modification, which blocks temperature conduction through low thermal conductivity.

[0027] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A filtration mechanism, comprising a valve body, wherein an upper flange ring and a connecting cylinder are provided on the valve body, and a main pipeline is provided in the upper flange ring, the connecting cylinder, and the valve body, characterized in that, It also includes: Adjustable plugging mechanism and filtering mechanism, wherein the adjustable plugging mechanism and filtering mechanism are located between the upper flange ring and the valve body; The adjusting and blocking mechanism includes a rotatable blocking cylinder for blocking or opening the main pipeline when rotated to a specific position; The filtration mechanism includes a filter element that is detachably disposed in the main pipeline, and the disassembly action of the filtration mechanism is linked to the blocking action of the regulating and blocking mechanism. The adjusting and sealing mechanism also includes a connecting shaft fixedly connected to the sealing cylinder, and an adjusting sleeve threadedly connected to the connecting shaft. The rotational freedom of the sealing cylinder can be locked or released by rotating the adjusting sleeve.

2. The filtration mechanism according to claim 1, characterized in that: The filtration mechanism includes a long plate, a plug fixedly connected to one end of the long plate, and a frame fixedly connected to the plug. The filter element is detachably installed inside the frame.

3. The filtration mechanism according to claim 2, characterized in that: A sleeve is fitted onto the end of the long plate that is away from the plug, and a locking head is provided on the outside of the sleeve. A sliding groove that cooperates with the locking head is provided on the valve body.

4. A filtration mechanism according to claim 3, characterized in that: The sealing cylinder has a groove corresponding to the frame. When the filter mechanism rotates, the frame can rotate into or out of the sealing cylinder through the groove.

5. A filtration mechanism according to claim 4, characterized in that: A sealing ring is provided between the sealing cylinder and the connecting cylinder, and between the plug and the connecting cylinder.

6. A filtration mechanism according to claim 1, characterized in that: The surface of the adjusting sleeve is provided with anti-slip texture.

7. A filtration mechanism according to claim 3, characterized in that: The locking head is fixedly connected to the valve body by screws.

8. A filtration mechanism according to claim 3, characterized in that: The sleeve on the long plate and the adjusting sleeve are both made of heat-insulating material.

9. A filtration mechanism according to claim 8, characterized in that: The heat insulation material is reinforced polyamide, the connecting shaft is rotatably connected to the connecting cylinder, and the adjusting sleeve can contact the outer end face of the connecting cylinder.

10. A steam trap assembly, characterized in that, It includes the filtration mechanism as described in any one of claims 1 to 9.

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