Quick-release filter

Abstract

A structure reinforcing frame is arranged at the position of a water inlet, the structure reinforcing frame extends inwards in the axial direction of a right flange plate, a filter basket is arranged in an installation opening, the filter basket and the structure reinforcing frame are concentrically arranged, and a pop-up structure is arranged on the inner side of the right flange plate and located on the outer side of the water inlet. The ejection structure comprises an ejection channel, an ejection rod and a spring, the ejection channel penetrates through the mounting opening, the ejection rod is slidably connected into the ejection channel, the top of the ejection rod abuts against the end of the filter basket, the spring is arranged between the ejection channel and the bottom of the ejection rod, and the outer side of the mounting opening is in threaded connection with a pressing ring. When the filter basket is impacted by fluid, the structural reinforcing frame improves the overall structural strength of the filter basket on the outer side of the filter basket, after the pressing ring is screwed out, the ejector rod ejects the filter basket on the inner side outwards under the action of the spring, the filter basket is convenient to disassemble, and the disassembly difficulty caused by the corrosion problem is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to filter structure, in particular to a kind of quick-release filter. BACKGROUND

[0002] Filter works, water to be filtered enters from inlet, through filter screen or filter basket, through outlet into the pipeline required by user to carry out process circulation, and the particulate impurities in water are intercepted in filter screen inside, to realize the filtration of fluid medium.

[0003] But so continuously circulate, the particulate intercepted more and more, filter speed more and more slowly, and inlet sewage still keeps on entering, filter hole will be smaller and smaller, while air or liquid fluid fast filtration, the impact on filter basket is larger, in prior art, the above problems are solved by porous filter core made of metal in air filtration, for sticky medium, it will adhere to porous filter core structure, leading to the working pressure in filter becomes larger, and using wedge-shaped filter core structure, cost is higher, while the filtration precision of sticky fluid medium is not high, so a kind of filter structure with high structural strength and convenient disassembly is required. SUMMARY

[0004] The utility model aims at providing a kind of quick-release filter, with the advantages of convenient disassembly, high structural strength.

[0005] The above technical purpose of the utility model is realized by the following technical scheme: a kind of quick-release filter, including left flange and right flange, the inner side of left flange and right flange is connected with cylinder, the left flange is provided with water outlet, the center of right flange is provided with inlet, the inner side of right flange is provided with structural reinforcement frame at inlet position, the structural reinforcement frame extends along the axial direction of right flange and extends inward, the outer side of right flange is provided with mounting port concentrically at inlet position, the diameter of mounting port is greater than the diameter of inlet, the filter basket is arranged in the mounting port, the filter basket is arranged concentrically with the structural reinforcement frame, the outer side of filter basket is attached to the inner side of structural reinforcement frame, the inner side of right flange is provided with pop-out structure outside inlet, the pop-out structure includes ejection channel, ejector rod and spring, the ejection channel penetrates to mounting port, the ejector rod is slidably connected in the ejection channel and the top portion is abutted with the end portion of filter basket, the spring is arranged between the ejection channel and the bottom portion of ejector rod, the outer side of mounting port is screw-connected with compression ring.

[0006] As preferred, the pop-out structure further includes ring groove, the ring groove is formed by the inner side of right flange and is recessed inward and is communicated with ejection channel, the ring groove is arranged concentrically with inlet, the inner side of ring groove is communicated with inlet, the structural reinforcement frame includes connecting ring arranged at top portion, and the connecting ring is connected with ring groove.

[0007] By adopting the technical scheme, the connecting ring is matched with the ring groove, which plays a role of holding the structural reinforcement frame and a role of closing the bottom of the ejection channel, and simultaneously serves as a supporting point of the spring bottom.

[0008] As a preferred, the ejection channels are evenly distributed along the center of the right flange plate, and each of the ejection channels is provided with one of the ejecting rods, the ejecting rod comprises a limiting block arranged at the end, the ejection channel is provided with a limiting channel for the sliding of the limiting block, the diameter of the limiting block is larger than that of the ejecting rod, the spring is arranged in the limiting channel, one end of the spring abuts against the limiting block, and the other end of the spring abuts against the connecting ring.

[0009] By adopting the technical scheme, the limiting block avoids the disengagement of the ejecting rod.

[0010] As a preferred, the end of the ejecting rod away from the limiting block is arc-shaped, and the surface of the filter basket is a metal mesh or a metal plate embedded hole.

[0011] By adopting the technical scheme, the ejecting rod is conveniently pushed out, and the corner position of the ejecting rod is reduced.

[0012] As a preferred, the structural reinforcement frame further comprises a bottom plate, the edge of the bottom plate is provided with a side connecting strip, the side connecting strip extends along the axial direction of the structural reinforcement frame and is connected with the bottom of the connecting ring, the side connecting strips between adjacent side connecting strips form a side through hole, and a bottom through hole is arranged through the bottom plate.

[0013] By adopting the technical scheme, the side through hole and the bottom through hole facilitate the flow of fluid from the inner cylinder of the filter basket, and the side connecting strip plays a role of connection and structural strength reinforcement.

[0014] As a preferred, the bottom connecting strip is arranged between adjacent bottom through holes, and there are three bottom connecting strips arranged in a circumferential array on the bottom plate, and the bottom connecting strip and the side through hole are arc-shaped.

[0015] By adopting the technical scheme, the bottom connecting strip strengthens the structural strength of the bottom of the position.

[0016] As a preferred, the bottom of the bottom plate is provided with a hemispherical top block, the top of the hemispherical top block abuts against the bottom of the filter basket, and a gap is formed between the top of the bottom plate and the bottom of the filter basket.

[0017] By adopting the technical scheme, a role of spacing between the bottom plate and the bottom of the filter basket is played, and the gap increases the space for fluid passing.

[0018] As a preferred, the two sides of the side connecting strip are inclined to the filter basket to form an inclined cleaning surface, and the inner side of the side connecting strip abuts against the inner side of the filter basket.

[0019] By adopting the technical scheme, the inclined cleaning surface can scrape off rust and impurities on the surface of the filter basket when the filter basket is rotated and disassembled.

[0020] Preferably, the outer circumferential surface of the compression ring is provided with external threads, and the inner side of the mounting port is provided with internal threads matched with the external threads.

[0021] By adopting the technical scheme, the sealing and compression of the end part of the filter basket are realized.

[0022] Preferably, the bottom of the mounting port is concentrically provided with a first sealing groove, and the bottom of the compression ring is concentrically provided with a second sealing groove in the mounting port, and the first sealing groove and the second sealing groove are provided with sealing rings.

[0023] By adopting the technical scheme, the end surface position of the filter basket is sealed.

[0024] In summary, the disassembly inconvenience refers to the problem that the end part of the filter basket and the mounting port are rusted and difficult to disassemble after long-term use, and the trapped particle residues are attached between the structural reinforcement frame and the filter basket, which makes disassembly difficult. Through the pop-out structure, after the compression ring is rotated out, the inner filter basket is pushed out by the top rod under the action of the spring, which facilitates the disassembly of the filter basket and reduces the disassembly difficulty caused by rust. At the same time, the spring makes the filter basket axially float inside the filter, which is relatively opposite to the structural reinforcement frame to a certain extent, and removes the rust generated on the surface of the filter basket. At the same time, the structural reinforcement frame improves the overall structural strength of the filter basket on the outside of the filter basket when the filter basket is impacted by fluid. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 is a cross-sectional schematic view of the embodiment;

[0026] Figure 2 is Figure 1 is an enlarged schematic view of part A shown;

[0027] Figure 3 is Figure 1 is an enlarged schematic view of part B shown;

[0028] Figure 4 is a structural schematic view of the structural reinforcement frame of the embodiment;

[0029] Figure 5 is a structural schematic view of the right flange position of the embodiment;

[0030] In the diagram, 11. Left flange; 12. Outlet; 13. Right flange; 14. Inlet; 15. Mounting port; 16. Internal thread; 17. Filter basket; 18. Ring groove; 2. Structural reinforcing frame; 21. Connecting ring; 22. Side connecting strip; 23. Inclined cleaning surface; 24. Side through hole; 25. Base plate; 26. Bottom through hole; 27. Bottom connecting strip; 28. Hemispherical top block; 31. Ejection channel; 32. Limiting block; 33. Limiting channel; 34. Top rod; 35. Spring; 36. Pressure ring; 37. External thread; 41. First sealing groove; 42. Second sealing groove; 43. Sealing ring. Detailed Implementation

[0031] The present invention will be further described in detail below with reference to the accompanying drawings.

[0032] This specific embodiment is merely an explanation of the present utility model and is not intended to limit the present utility model. After reading this specification, those skilled in the art can make modifications to this embodiment without contributing any inventive step, but as long as they are within the scope of the claims of the present utility model, they are protected by patent law.

[0033] Example:

[0034] like Figures 1 to 5 As shown, a quick-release filter includes a left flange 11 and a right flange 13. A cylindrical body is concentrically welded to the inner sides of the left flange 11 and the right flange 13. An outlet 12 is provided through the center of the left flange 11, and an inlet 14 is provided through the center of the right flange 13. A structural reinforcement frame 2 is provided on the inner side of the right flange at the inlet 14 position to reinforce the filter basket 17 from the outside and resist impact. The outer side of the filter basket 17 is fitted to the inner side of the structural reinforcement frame 2. The filter basket 17 and the structural reinforcement frame 2 are concentrically arranged. The structural reinforcement frame 2 extends inward along the axial direction of the right flange 13. An installation port 15 is concentrically provided on the outer side of the right flange at the inlet 14 position. The diameter of the installation port 15 is larger than the diameter of the inlet 14. The filter basket 17 is placed inside the installation port 15. A pop-out structure is provided on the inner side of the right flange 13 outside the inlet 14 to push the filter basket 17 outward.

[0035] like Figures 1 to 3As shown, the ejection structure includes the ejection channel 31, the ring groove 18, the ejector rod 34 and the spring 35, the ejection channel 31 penetrates to the mounting port 15 in the axial direction, the ejection channel 31 is evenly distributed along the center of the right flange 13 in the circumferential direction, the ejector rod 34 is slidingly connected in the ejection channel 31 and the top end thereof abuts against the end of the filter basket 17, the end of the filter basket 17 here refers to the annular segment extending in the horizontal direction at the end of the filter basket 17 which is not closed, and functions to fix; one ejector rod 34 is arranged in each ejection channel 31, the specific structure of the ejector rod 34 is that the ejector rod 34 includes the limiting block 32 arranged at the end, the end of the ejector rod 34 away from the limiting block 32 is arc-shaped hemispherical, the limiting channel 33 for the sliding of the limiting block 32 is arranged in the ejection channel 31, the diameter of the limiting block 32 is greater than the diameter of the ejector rod 34, the spring 35 is arranged between the ejection channel 31 (the limiting channel 33) and the bottom of the ejector rod 34, one end of the spring 35 abuts against the limiting block 32, the structure reinforcing frame 2 includes the connecting ring 21 arranged at the top, the connecting ring 21 is connected with the ring groove 18 and functions to fix the structure reinforcing frame 2 and to close the limiting channel 33, and thus the other end of the spring 35 abuts against the connecting ring 21.

[0036] In order to press and fix the end of the filter basket 17, the outer side of the mounting port 15 is threadedly connected with the pressing ring 36, the pressing ring 36 functions to press the spring 35, the ring groove 18 is formed by the inner side of the right flange being recessed inwardly and is communicated with the ejection channel 31, the ring groove 18 is concentrically arranged with the water inlet 14, the inner side of the ring groove 18 is communicated with the water inlet 14.

[0037] The surface of the filter basket 17 is a metal mesh or a metal plate embedded hole, the specific structure of the structure reinforcing frame 2 is that the structure reinforcing frame 2 includes the bottom plate 25, the edge of the bottom plate 25 is provided with the side connecting strip 22, the side connecting strip 22 extends along the axial direction of the structure reinforcing frame 2 and is connected with the bottom of the connecting ring 21, the side through hole 24 is formed between the adjacent side connecting strips 22, the bottom through hole 26 is arranged through the bottom plate 25, the bottom connecting strip 27 is arranged between the adjacent bottom through holes 26, there are three bottom connecting strips 27 circumferentially arranged on the bottom plate 25, and the bottom connecting strip 27 is arc-shaped with the side through hole 24; meanwhile, the bottom of the bottom plate 25 is provided with the hemispherical top block 28, the top of the hemispherical top block 28 abuts against the bottom of the filter basket 17, and the gap is formed between the top of the bottom plate 25 and the bottom of the filter basket 17; in order to clean the surface of the filter basket 17 and cooperate with the structure of the filter basket 17 floating with the spring 35, the inclined cleaning surface 23 is formed on the two sides of the side connecting strip 22 in the direction of the filter basket 17, the inner side of the side connecting strip 22 abuts against the inner side of the filter basket 17, and the surface of the filter basket 17 is cleaned in the rotation process of the use and disassembly of the filter basket 17.

[0038] As Figure 3As shown, the specific structure of the compression ring 36 is that the outer circumferential surface of the compression ring 36 is provided with an external thread 37, and the inner side of the mounting port 15 is provided with an internal thread 16 matched with the external thread 37, and the sealing and compression of the end of the filter basket 17 are realized through the thread between the two, and then the compression of the ejector rod 34 and the spring 35 is realized.

[0039] As shown in Figure 1 and Figure 3 In order to strengthen the sealing effect, the bottom of the mounting port 15 is concentrically provided with a first sealing groove 41, and the bottom of the compression ring 36 is concentrically provided with a second sealing groove 42 with the mounting port 15, and the first sealing groove 41 and the second sealing groove 42 are provided with a sealing ring 43.

[0040] Working principle:

[0041] When disassembling, the compression spring 35 will push the ejector rod 34 outwards in the ejection channel 31 by reversing the rotation of the compression ring 36 to remove it, and the end of the filter basket 17 will be pushed outwards, which will facilitate the operator to hold the end of the filter basket 17 away from the mounting port 15, and the filter basket 17 does not need to be provided with a handle. At the same time, in the process of rotating the filter basket 17, the impurities or rust on the surface of the filter basket 17 can be cleaned to a certain extent through the inclined cleaning surface 23; in the process of use, the side of the structural reinforcement frame 2 improves the impact resistance of the filter basket 17, and the hemispherical top block 28 provided at the bottom of the structural reinforcement frame 2 ensures the gap at the bottom, improves the flow effect of the fluid, and improves the impact resistance.

Claims

1. A quick disconnect filter characterized by: The left flange (11) and the right flange (13) are connected with the cylinder, the left flange (11) is provided with a water outlet (12), the right flange (13) is provided with a water inlet (14) in the center, the inner side of the right flange is provided with a structure reinforcing frame (2) at the position of the water inlet (14), the structure reinforcing frame (2) extends inward along the axial direction of the right flange (13), the outer side of the right flange is provided with a mounting port (15) concentrically at the position of the water inlet (14), the diameter of the mounting port (15) is larger than that of the water inlet (14), the mounting port (15) is provided with a filter basket (17), the filter basket (17) is provided concentrically with the structure reinforcing frame (2), the outer side of the filter basket (17) is attached to the inner side of the structure reinforcing frame (2), the inner side of the right flange (13) is provided with a pop-up structure outward of the water inlet (14), the pop-up structure comprises an ejection channel (31), a ejector rod (34) and a spring (35), the ejection channel (31) penetrates to the mounting port (15), the ejector rod (34) is slidably connected in the ejection channel (31) and the top thereof abuts against the end of the filter basket (17), the spring (35) is arranged between the ejection channel (31) and the bottom of the ejector rod (34), and the outer side of the mounting port (15) is threadedly connected with a compression ring (36).

2. The quick-release filter of claim 1, wherein: The pop-up structure further comprises a ring groove (18), which is formed by the inner side of the right flange being recessed inwardly and is in communication with the ejection channel (31), the ring groove (18) is provided concentrically with the water inlet (14), the inner side of the ring groove (18) is in communication with the water inlet (14), and the structure reinforcing frame (2) comprises a connecting ring (21) arranged at the top, which is connected with the ring groove (18).

3. The quick-release filter of claim 2, wherein: The ejection channels (31) are uniformly distributed along the center of the right flange (13), one ejector rod (34) is arranged in each ejection channel (31), the ejector rod (34) comprises a limiting block (32) arranged at the end, a limiting channel (33) is arranged in the ejection channel (31) for the limiting block (32) to slide, the diameter of the limiting block (32) is larger than that of the ejector rod (34), the spring (35) is arranged in the limiting channel (33), one end of the spring (35) abuts against the limiting block (32), and the other end of the spring (35) abuts against the connecting ring (21).

4. The quick-release filter of claim 3, wherein: The end of the ejector rod (34) away from the limiting block (32) is arc-shaped, and the surface of the filter basket (17) is a metal mesh or a metal plate with holes.

5. The quick-release filter of claim 4, wherein: The structure reinforcing frame (2) further comprises a bottom plate (25), the edges of the bottom plate (25) are provided with side connecting strips (22) extending along the axial direction of the structure reinforcing frame (2) and connected with the bottom of the connecting ring (21), side through holes (24) are formed between adjacent side connecting strips (22), and bottom through holes (26) are arranged through the bottom plate (25).

6. The quick-release filter of claim 5, wherein: Bottom connecting strips (27) are arranged between the adjacent bottom through holes (26), and three of the bottom connecting strips (27) are arranged in a circumferential array on the bottom plate (25), and the bottom connecting strips (27) and the side through holes (24) are connected through arcs.

7. The quick-release filter of claim 5, wherein: A hemispherical top block (28) is arranged at the bottom of the bottom plate (25), the top of the hemispherical top block (28) abuts against the bottom of the filter basket (17), and a gap is formed between the top of the bottom plate (25) and the bottom of the filter basket (17).

8. The quick-release filter of claim 5, wherein: Inclined cleaning surfaces (23) are formed on the two sides of the side connecting strips (22) and inclined towards the filter basket (17), and the inner sides of the side connecting strips (22) abut against the inner sides of the filter basket (17).

9. The quick-release filter of claim 1, wherein: An outer thread (37) is arranged on the outer circumferential surface of the compression ring (36), and an inner thread (16) matched with the outer thread (37) is arranged on the inner side of the mounting port (15).

10. The quick-release filter of claim 1, wherein: A first sealing groove (41) is arranged concentrically at the bottom of the mounting port (15), and a second sealing groove (42) is arranged concentrically at the bottom of the compression ring (36) and in the mounting port (15), and a sealing ring (43) is arranged in the first sealing groove (41) and the second sealing groove (42).

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