Double-sealed Y-shaped filter
By employing a double-seal structure and pin assembly design, the problem of unstable sealing in Y-type filters has been solved, achieving a stable double seal, preventing water leakage, and improving performance.
Patent Information
- Application Number
- CN202520192861.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-07
- Publication Date
- 2026-01-06
- Estimated Expiration
- 2035-02-07
AI Technical Summary
Existing Y-type filters use a single sealing ring, resulting in unstable sealing performance and easy leakage after prolonged use.
The design employs a double-seal structure, with the first and second sealing rings contacting the Y-type filter body. Combined with the design of the pin assembly and guide rod, this ensures tight contact between the cover plate and the pressure plate, achieving a stable double seal.
The sealing performance of the Y-type filter has been improved, preventing water leakage and enhancing the stability and effectiveness of the device.
Smart Images

Figure CN223760587U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of Y-type filter technology, and in particular to a double-sealed Y-type filter. Background Technology
[0002] Y-type filters are an indispensable filtration device in pipeline systems that transport media. They are typically installed at the inlet of pressure reducing valves, pressure relief valves, level control valves, or other equipment to remove impurities from the media and protect the valves and equipment from damage.
[0003] Y-type filters use a single sealing ring to seal the filter element, which makes it difficult to guarantee the stability of the sealing effect. After long-term use, the sealing effect is prone to decline, resulting in water leakage. Utility Model Content
[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a double-sealed Y-type filter.
[0005] To achieve the above objectives, the present invention adopts the following technical solution:
[0006] A double-sealed Y-type filter includes a Y-type filter body and a fixing frame. The Y-type filter body and the fixing frame are connected by a pin assembly. A threaded rod is movably connected inside the fixing frame, and a pressure plate is movably connected to one end of the threaded rod. A filter element is provided inside the Y-type filter body. A protrusion is inserted into the top of the Y-type filter body and contacts the filter element. A cover plate is fixedly connected to the top of the protrusion, and the pressure plate contacts the cover plate. A first sealing ring is fixedly connected to the outer circumferential wall of the cover plate. A groove is formed on the inner wall of the top of the Y-type filter body, and the first sealing ring is located in the groove. An inclined surface is formed on the outer circumferential wall of the protrusion. A second sealing ring is fixedly connected to the inner wall of the top of the Y-type filter body, and the second sealing ring contacts the inclined surface.
[0007] As a further embodiment of this utility model, the pin assembly includes two second fixing blocks, which are respectively fixed to the outer walls of both sides of the Y-shaped filter body by bolts. The interior of the second fixing block is provided with a slot. Both ends of the fixing frame are integrally formed with a first fixing block. A plug rod is fixedly connected to one side of the first fixing block and the plug rod is inserted into the slot.
[0008] As a further embodiment of this utility model, the fixed frame has two guide rods internally connected and the guide rods are fixed to the pressure plate.
[0009] As a further embodiment of this invention, the top end of the threaded rod passes through the fixing frame and is fixedly connected to a knob.
[0010] As a further embodiment of this utility model, the cover plate is in contact with the top end of the Y-shaped filter body.
[0011] As a further embodiment of this utility model, flanges are fixedly connected to both ends of the Y-type filter body.
[0012] As a further embodiment of this invention, a sealing gasket is fixedly connected to one side of the flange.
[0013] The beneficial effects of this utility model are as follows:
[0014] 1. This utility model not only enables the cover plate and protrusion to make a tighter and more stable contact with the Y-type filter body through the first and second sealing rings via the pressure plate, but also enables the device to achieve a stable double seal, thereby improving the device's performance.
[0015] 2. This utility model not only enables the fixing frame to be positioned and installed through the cooperation of the plug rod and the slot, but also guides the pressure plate through the guide rod, so that it can move stably, thereby improving the positioning function of the device. Attached Figure Description
[0016] Figure 1 This is a three-dimensional structural diagram of a double-sealed Y-type filter proposed in this utility model;
[0017] Figure 2 This is a partial cross-sectional view of a double-sealed Y-type filter proposed in this utility model.
[0018] Figure 3 This is a cross-sectional view of a Y-type filter with a double seal proposed in this utility model.
[0019] In the diagram: 1. First fixing block; 2. Second fixing block; 3. Cover plate; 4. Fixing frame; 5. Sealing gasket; 6. Flange; 7. Y-type filter body; 8. Pressure plate; 9. Threaded rod; 10. Guide rod; 11. Slot; 12. Insert rod; 13. Groove; 14. Protrusion; 15. Inclined surface; 16. First sealing ring; 17. Second sealing ring; 18. Filter element. Detailed Implementation
[0020] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. Therefore, all other embodiments of this application described herein, and all embodiments obtained by those skilled in the art without creative effort based on the embodiments in this application, should fall within the scope of protection of this application.
[0021] Reference Figures 1-3 A double-sealed Y-type filter includes a Y-type filter body 7 and a fixing frame 4. The Y-type filter body 7 and the fixing frame 4 are connected by a pin assembly. A threaded rod 9 is threadedly connected inside the fixing frame 4. One end of the threaded rod 9 is rotatably connected to a pressure plate 8. A filter element 18 is provided inside the Y-type filter body 7. A protrusion 14 is inserted into the top of the Y-type filter body 7 and contacts the filter element 18. A cover plate 3 is fixed to the top of the protrusion 14 by bolts, and the pressure plate 8 contacts the cover plate 3. A first sealing ring 16 is adhered to the outer circumference of the cover plate 3. A groove 13 is formed on the inner wall of the top of the Y-type filter body 7, and the first sealing ring 16 is located in the groove 13. The protrusion 14... The outer circumferential wall is provided with a bevel 15. The inner top of the Y-type filter body 7 is bonded with a second sealing ring 17, and the second sealing ring 17 is in contact with the bevel 15. The cover plate 3 and the protrusion 14 are inserted into one end of the Y-type filter body 7, so that the protrusion 14 is in contact with the filter element 18. At this time, the first sealing ring 16 enters into the groove 13, and the second sealing ring 17 is in close contact with the bevel 15. Then, the fixing bracket 4 is moved above the cover plate 3, so that the insertion rod 12 is inserted into the corresponding slot 11. Then, the knob is turned so that the threaded rod 9 drives the pressure plate 8 to move downward, so that the pressure plate 8 is in close contact with the cover plate 3. At this time, the pressure plate 8 presses against the cover plate 3, thereby making the cover plate 3 stably block the Y-type filter body 7.
[0022] In this utility model, it should be noted that the pin assembly includes two second fixing blocks 2, which are respectively fixed to the outer walls of the two sides of the Y-type filter body 7 by bolts. The second fixing blocks 2 have slots 11 inside. The two ends of the fixing frame 4 are integrally formed with first fixing blocks 1. One side of the first fixing block 1 is fixed with a plug rod 12 by bolts, and the plug rod 12 is inserted into the slot 11. Through the cooperation of the plug rod 12 and the slot 11, the fixing frame 4 is positioned and installed. The fixing frame 4 has two guide rods slidably connected inside, and the guide rods 10 are fixed to the pressure plate 8. The guide rods 10 can guide the pressure plate 8 so that it can move stably. The top of the threaded rod 9 passes through the fixing frame 4 and is welded with a knob, which makes it convenient for the operator to rotate the threaded rod 9. The cover plate 3 contacts the top of the Y-type filter body 7. Both ends of the Y-type filter body 7 are fixed with flanges 6 by bolts, which makes it convenient for the operator to connect the device. A sealing gasket 5 is glued to one side of the flange 6.
[0023] Working principle: When the cover plate 3 needs to be installed, first insert the cover plate 3 and the protrusion 14 into one end of the Y-type filter body 7, so that the protrusion 14 contacts the filter element 18. At this time, the first sealing ring 16 enters the groove 13, and the second sealing ring 17 is in close contact with the inclined surface 15. Then, move the fixing bracket 4 above the cover plate 3, so that the insertion rod 12 is inserted into the corresponding slot 11. Then turn the knob to make the threaded rod 9 drive the pressure plate 8 to move downward, so that the pressure plate 8 is in close contact with the cover plate 3. At this time, the pressure plate 8 presses against the cover plate 3, thereby making the cover plate 3 stably block the Y-type filter body 7.
[0024] This utility model has been described through the above embodiments. Those skilled in the art will understand that this utility model is not limited to the above embodiments. Many more modifications can be made based on the teachings of this utility model, and all such modifications fall within the scope of protection claimed by this utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.
Claims
1. A double-sealed Y-type filter comprising a Y-type filter body (7) and a fixing bracket (4), characterized in that, The Y-shaped filter body (7) is connected with the fixed frame (4) through the bolt assembly, the inside of the fixed frame (4) is movably connected with the threaded rod (9), one end of the threaded rod (9) is movably connected with the pressing plate (8), the inside of the Y-shaped filter body (7) is provided with the filter core (18), the top end of the Y-shaped filter body (7) is inserted with the protrusion (14), and the protrusion (14) is in contact with the filter core (18), the top of the protrusion (14) is fixedly connected with the cover plate (3), and the pressing plate (8) is in contact with the cover plate (3), the circumferential outer wall of the cover plate (3) is fixedly connected with the first sealing ring (16), the top end inner wall of the Y-shaped filter body (7) is provided with the groove (13), and the first sealing ring (16) is located in the groove (13), the circumferential outer wall of the protrusion (14) is provided with the inclined surface (15), the top end inner wall of the Y-shaped filter body (7) is fixedly connected with the second sealing ring (17), and the second sealing ring (17) is in contact with the inclined surface (15).
2. A double sealed Y-type filter according to claim 1, characterized in that The bolt assembly comprises two second fixed blocks (2), the two second fixed blocks (2) are respectively fixed on the two side outer walls of the Y-shaped filter body (7) through bolts, the inside of the second fixed block (2) is provided with the insertion slot (11), and the two ends of the fixed frame (4) are integrally formed with the first fixed block (1), one side of the first fixed block (1) is fixedly connected with the insertion rod (12), and the insertion rod (12) is inserted with the insertion slot (11).
3. A double sealed Y-type filter according to claim 1, characterized in that The inside of the fixed frame (4) is movably connected with two guide rods (10), and the guide rod (10) is fixed with the pressing plate (8).
4. A double sealed Y-type filter according to claim 1, characterized in that The top end of the threaded rod (9) penetrates through the fixed frame (4) and is fixedly connected with the knob.
5. A double sealed Y-type filter according to claim 1, characterized in that, The cover plate (3) is in contact with the top end of the Y-shaped filter body (7).
6. A double sealed Y-type filter according to claim 1, characterized in that The two ends of the Y-shaped filter body (7) are fixedly connected with the flange plate (6).
7. A double sealed Y-type filter according to claim 6, characterized in that One side of the flange plate (6) is fixedly connected with the sealing gasket (5).