Vertical straight-through press-fit filter element type filter

Abstract

The utility model discloses a vertical straight-through press-fit filter element type filter, which relates to a filter structure and comprises an ejection plate arranged below an insertion plate, a water outlet hole matched with the bottom of a filter element is arranged on the ejection plate, the top of the ejection plate is abutted against the bottom of the filter element, and an extension spring is arranged between the ejection plate and the insertion plate. A stepped hole matched with the lower portion of the split washer is formed in the mounting plate, and a sealing block matched with the center of the split washer is arranged at the bottom of the cover plate. During disassembly, the cover plate above the flange opening is opened, the top of the filter element loses downward pressure, the stretched spring resets upwards, the ejection plate is pulled upwards, the ejection plate ejects the bottom of the filter element upwards, and quick disassembly of the filter element is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to filter structure, in particular to a vertical straight -through compression filter core formula filter. BACKGROUND

[0002] The technical structure of filter usually includes the following components, respectively, cylinder, filter screen and blowdown part etc., different types of filters may exist difference on structure, but the basic component is approximately same, for example, pipeline filter is mainly composed of connector, cylinder, filter basket, flange, flange cover and fastener, industrial filter includes shell, multiple filter core and backwash structure etc.

[0003] In prior art, the application number for CN201810916124.2 invention patent aims at the problem that the filter core of vertical filter is difficult to take out, discloses a technology of setting swing lever structure at the bottom of cylinder to eject the filter core from the bottom, but from the actual use, especially for the structure that the bottom water is uniformly collected, the structure cannot be applied, and the manual structure is relatively cumbersome, so a vertical straight -through filter that is convenient to disassemble and has the effect of collecting flow is required. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a vertical straight -through compression filter core formula filter, which has the advantages of convenient disassembly.

[0005] The above technical purpose of the utility model is realized by the following technical scheme: a vertical straight -through compression filter core formula filter, including cylinder, filter core and cover plate, the top of cylinder is provided with flange mouth, the cover plate is connected on the flange mouth, the cylinder is provided with mounting plate at the opening position, the inside of cylinder is provided with water inlet cavity, the outer wall of cylinder is provided with water inlet pipe that communicates with water inlet cavity, the inside of water inlet cavity is provided with flow collecting part, the bottom of flow collecting part is provided with water outlet pipe, the water outlet pipe is provided through the outer wall of cylinder, the filter core includes opening check ring, filter hole and sealing surface, the opening check ring is arranged at the top of filter core, the filter holes are evenly distributed on the circumferential side and the bottom of filter core, the sealing surface is arranged below the circumferential side of filter core, the top of flow collecting part is provided with insertion plate, the insertion plate is evenly distributed with mounting port for the bottom insertion of filter core, the mounting port extends downward and forms sealing part matched with the sealing surface of filter core, the inside of flow collecting part is provided with ejector plate below insertion plate, the ejector plate is provided with water outlet hole matched with the bottom of filter core, the top of ejector plate is in abutment with the bottom of filter core, the tension spring is arranged between the ejector plate and insertion plate, the mounting plate is provided with stepped hole matched with the below opening check ring, the bottom of cover plate is provided with sealing block matched with the center of opening check ring.

[0006] Preferably, the sealing part comprises a sealing ring arranged at the bottom of the insertion plate, and the sealing ring is arranged concentrically with the mounting port.

[0007] By using the above technical scheme, the sealing ring cooperates with the sealing surface of the circumferential side surface of the filter element to improve the sealing effect therebetween and prevent the liquid in the water inlet cavity from entering the confluence part from the side surface of the filter element.

[0008] Preferably, the bottom of the insertion plate is provided with an annular groove matched with the top of the sealing ring, and the top of the sealing ring is welded and fixed with the annular groove.

[0009] By using the above technical scheme, the annular groove facilitates the positioning and connection of the sealing ring during welding.

[0010] Preferably, the inner side of the sealing ring is provided with a sealing groove arranged concentrically with the sealing ring, and at least one sealing groove is arranged in the axial direction of the sealing ring, and a sealing ring is arranged in the sealing groove, and the sealing ring abuts against the sealing surface.

[0011] By using the above technical scheme, the sealing ring is made of rubber, and the sealing ring cooperates with the sealing groove to have a double effect of limiting and sealing the filter element.

[0012] Preferably, the ejection plate extends upward at the position of the water outlet hole to form a guide ring, the water outlet hole is arranged through the inner side of the guide ring, the outer side of the guide ring is in sliding connection with the inner side of the sealing ring, and the top of the guide ring abuts against the bottom of the filter element.

[0013] By using the above technical scheme, the guide ring cooperates with the sealing ring to guide the lifting process, and the guide ring acts on the bottom of the filter element to eject the filter element upward under the action of the tension spring.

[0014] Preferably, a lifting gap is formed between the circumferential side surface of the ejection plate and the inner wall of the confluence part, the tension spring is sleeved outside the sealing ring, the top of the tension spring is connected with the bottom of the insertion plate, and the bottom of the tension spring is connected with the ejection plate.

[0015] By using the above technical scheme, the sealing ring positions the tension spring, and the lifting gap facilitates the relative movement between the ejection plate and the confluence part.

[0016] Preferably, a limiting structure is arranged between the ejection plate and the insertion plate, the limiting structure comprises a bolt, the bottom of the insertion plate is provided with a threaded hole in threaded connection with the bolt, the ejection plate is provided with a through hole through which the thread of the bolt passes, and the length of the bolt is greater than the length of the sealing ring.

[0017] By adopting the above technical solution, the sealing ring and the guide ring cooperate to limit the maximum upward stroke, while the bolts limit the maximum downward stroke.

[0018] Preferably, the sealing surface is disposed below the circumferential side surface of the filter element, and the filter holes are disposed outside the sealing surface.

[0019] By adopting the above technical solution, the sealing surface and the sealing ring are matched to avoid the filter hole affecting the sealing effect.

[0020] Preferably, the depth of the stepped hole is less than half the thickness of the opening retaining ring, the mounting plate extends downward along the axial direction of the stepped hole to form a mounting ring, and a reinforcing rib is provided between the side wall of the mounting ring and the bottom of the mounting plate, the reinforcing rib being arranged around the mounting ring.

[0021] By adopting the above technical solution, the mounting ring plays a guiding role during filter element installation, the reinforcing ribs improve the structural strength of the mounting ring, and the mounting plate allows the cover plate to press down on the top of the filter element.

[0022] In summary, during disassembly, opening the cover plate above the flange releases the downward pressure on the top of the filter element, causing the stretched spring to return to its original position and pull the ejector plate upward. The ejector plate then pushes the bottom of the filter element upward, protruding from the top of the mounting plate, facilitating the subsequent removal of the filter element. During installation, the filter element is pressed down by the cover plate. The top of the filter element is sealed by the sealing block and the opening retaining ring, while the bottom of the filter element is sealed by the sealing ring between the sealing ring and the sealing surface. Attached Figure Description

[0023] Figure 1 This is a cross-sectional schematic diagram of an embodiment;

[0024] Figure 2 This is a cross-sectional view of the top of the embodiment;

[0025] Figure 3 This is a cross-sectional schematic diagram of the embodiment at the junction location;

[0026] Figure 4 This is a top view of the embodiment at the insertion plate position;

[0027] In the diagram, 11. Cylinder; 13. Flange; 14. Cover plate; 15. Sealing block; 16. Inlet chamber; 17. Inlet pipe; 2. Mounting plate; 21. Stepped hole; 22. Mounting ring; 23. Reinforcing rib; 3. Manifold; 31. Outlet pipe; 32. Insertion plate; 33. Mounting port; 34. Annular groove; 35. Sealing ring; 36. Sealing groove; 37. Sealing ring; 4. Top plate; 41. Guide ring; 42. Outlet hole; 43. Tension spring; 44. Lifting clearance; 5. Bolt; 51. Threaded hole; 52. Through hole;

[0028] 6. Filter element; 61. Opening retaining ring; 62. Filter holes; 63. Sealing surface. Detailed Implementation

[0029] The present invention will be further described in detail below with reference to the accompanying drawings.

[0030] 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.

[0031] Example:

[0032] like Figures 1 to 4 As shown, a vertical straight-through press-fit filter cartridge 6 includes a cylinder 11, which is cylindrical in shape. A flange 13 is provided at the top of the cylinder 11, and a cover plate 14 is connected to the flange 13 by studs. The bottom of the cylinder 11 is arc-shaped, and a support is provided at the bottom of the cylinder 11 to support the cylinder 11.

[0033] The overall filtration process of the filter is as follows: an inlet pipe 17 is provided on one side of the cylinder 11, and an outlet pipe 31 is provided on the other side at the same height as the cylinder 11. The cylinder 11 contains an inlet chamber 16. The inlet pipe 17 extends outward in a horizontal direction. A confluence section 3 is provided at the same height inside the cylinder 11. The confluence section 3 is made of sheet metal. One end of the outlet pipe 31 is connected to the confluence section 3, and the other end of the outlet pipe 31 passes through the cylinder 11. An mounting plate 2 is provided inside the flange port 13 of the cylinder 11. The mounting plate 2 is connected to the top of the filter element 6, and the bottom of the filter element 6 is connected to the confluence section 3. The liquid flows from the inlet pipe 17 into the inlet chamber 16, then enters the filter element 6 under pressure, and then enters the confluence section 3 from the bottom of the filter element 6. The liquid leaves the filter from the outlet pipe 31.

[0034] like Figures 1 to 3 As shown, the filter element 6 includes an opening retaining ring 61, filter holes 62, and a sealing surface 63. The opening retaining ring 61 is located on the top of the filter element 6 and extends outward along the radial direction of the filter element 6. The filter element 6 is made entirely of stainless steel sheet. The sealing surface 63 is arranged in a ring around the bottom of the filter element 6 and cooperates with the manifold 3. The filter holes 62 are distributed on the outer circumferential surface and bottom of the filter element 6, and the filter holes 62 do not cover the sealing surface 63.

[0035] like Figure 2As shown, in order to fix the filter core 6, the top of the cylinder body 11 is provided with the mounting plate 2 to fix the top of the filter core 6, and the bottom of the filter core 6 is fixed through the confluence part 3. The specific structure of the mounting plate 2 is that the mounting plate 2 is provided with the stepped hole 21 matched with the lower part of the open check ring 61, and the depth of the stepped hole 21 is less than half of the thickness of the open check ring 61. In order to guide the filter core 6 during installation, the mounting plate 2 extends downward along the axial direction of the stepped hole 21 to form the mounting ring 22, and the outer side wall of the mounting ring 22 is provided with the reinforcing rib plate 23, the side surface of the reinforcing rib plate 23 is welded with the mounting ring 22, the top of the reinforcing rib plate 23 is welded with the bottom of the mounting plate 2, and four reinforcing rib plates 23 are arranged around the mounting ring 22. In order to seal and pressurize the top of the filter core 6, the bottom of the cover plate 14 is provided with the sealing block 15 matched with the center of the open check ring 61, and the cross-sectional shape of the sealing block 15 is consistent with the inside of the open check ring 61, which is circular.

[0036] As shown in Figure 3 and Figure 4 As shown, the bottom of the filter core 6 is connected, sealed and quickly disassembled through the confluence part 3. The specific structure inside the confluence part 3 is that the top of the confluence part 3 is provided with the insertion plate 32, the insertion plate 32 is uniformly distributed with the mounting port 33 for the insertion of the bottom of the filter core 6, the mounting port 33 extends downward to form the sealing part matched with the sealing surface 63 of the filter core 6, the ejection plate 4 is arranged below the insertion plate 32 inside the confluence part 3, the ejection plate 4 is parallel between the insertion plate 32, the ejection plate 4 is provided with the water outlet hole 42 matched with the bottom of the filter core 6, the water outlet hole 42 is for the insertion of the filter core 6, the top of the ejection plate 4 abuts against the bottom of the filter core 6, and the ejection plate 4 is ejected upward through the tension spring 43 arranged between the ejection plate 4 and the insertion plate 32.

[0037] As shown in Figure 3 The sealing structure between the filter core 6 and the confluence part 3 is that the sealing part is the sealing ring 35, the sealing ring 35 is arranged at the bottom of the insertion plate 32, and the sealing ring 35 is concentrically arranged with the mounting port 33. The sealing ring 35 extends downward along the axial direction of the mounting port 33. In order to connect and fix the sealing ring 35, the bottom of the insertion plate 32 is provided with the annular groove 34 matched with the top of the sealing ring 35, and the top of the sealing ring 35 is fixed with the annular groove 34 through welding.

[0038] As shown in Figure 3 The sealing structure between the sealing ring 35 and the sealing surface 63 is that the inner side of the sealing ring 35 is provided with the sealing groove 36, the sealing groove 36 is concentrically arranged with the sealing ring 35, and at least one sealing groove 36 is arranged in the axial direction of the sealing ring 35. In this embodiment, two sealing grooves 36 are arranged, the sealing groove 36 is provided with the sealing ring 37 made of rubber, and the side surface of the sealing ring 37 abuts against the sealing surface 63.

[0039] AsFigure 3 As shown, the relative distance between the ejection plate 4 and the mounting plate 2 is changed by the tension spring 43, a guide ring 41 is arranged on the ejection plate 4 and cooperates with the sealing ring 35, which guides the movement between the ejection plate 4 and the insertion plate 32, the guide ring 41 extends upward at the position of the water outlet hole 42, the water outlet hole 42 is arranged through the inner side of the guide ring 41, the outer circumferential side of the guide ring 41 is in sliding connection with the inner wall of the sealing ring 35, and the top of the guide ring 41 abuts against the bottom of the filter core 6.

[0040] As shown in Figure 1 and Figure 3 The specific structure in the confluence part 3 is that the circumferential side of the ejection plate 4 and the inner wall of the confluence part 3 form a lifting gap 44, the tension spring 43 is sleeved outside the sealing ring 35, the top of the tension spring 43 is welded and fixed with the bottom of the insertion plate 32, and the bottom of the tension spring 43 is welded and fixed with the ejection plate 4; in order to prevent the insertion plate 32 from being separated from the ejection plate 4, a limiting structure is arranged between the ejection plate 4 and the insertion plate 32, the limiting structure includes a bolt 5, the bottom of the insertion plate 32 is provided with a threaded hole 51 which is threadedly connected with the bolt 5, the ejection plate 4 is provided with a through hole 52 through which the thread of the bolt 5 passes, and the length of the bolt 5 is greater than the length of the sealing ring 35.

[0041] Working principle:

[0042] In use, fluid enters the water inlet cavity 16 of the cylinder body 11 from the water inlet pipe 17, enters the filter core 6 from the water inlet cavity 16, then enters the confluence part 3 from the bottom of the plurality of filter cores 6, and finally leaves the cylinder body 11 from the water outlet pipe 31, thereby playing a confluence role; during installation, the cover plate 14 is opened, the filter core 6 is inserted into the mounting plate 2 from the height direction, then enters the mounting opening 33 of the insertion plate 32 downward, abuts against the top of the guide ring 41 on the ejection plate 4, and the sealing ring 35 below the filter core 6 abuts against the sealing ring 37 in the sealing ring 35, then the ejection plate 4 is pressed downward to elongate the tension spring 43, and in the process of closing the cover plate 14, the sealing block 15 seals the opening at the top of the filter core 6; during disassembly, the ejection plate 4 is reset upward by the tension spring 43, the filter core 6 is ejected upward, and the quick disassembly of the filter core 6 is completed.

Claims

1. A vertical straight-through compression filter element (6) filter, comprising a cylinder (11), a filter element (6) and a cover plate (14), the top of the cylinder (11) is provided with a flange (13), the cover plate (14) is connected on the flange (13), characterized in that: The cylinder (11) is provided with a mounting plate (2) at the position of the flange (13), the inside of the cylinder (11) is provided with a water inlet cavity (16), the outer wall of the cylinder (11) is provided with a water inlet pipe (17) communicating with the water inlet cavity (16), the water inlet cavity (16) is provided with a flow collecting part (3), the bottom of the flow collecting part (3) is provided with a water outlet pipe (31), the water outlet pipe (31) penetrates the outer wall of the cylinder (11), the filter core (6) comprises an open check ring (61), a filter hole (62) and a sealing surface (63), the open check ring (61) is arranged at the top of the filter core (6), the filter holes (62) are uniformly distributed on the circumferential side and the bottom of the filter core (6), the sealing surface (63) is arranged below the circumferential side of the filter core (6), the top of the flow collecting part (3) is provided with an insertion plate (32), the insertion plate (32) is uniformly provided with mounting ports (33) for the bottom of the filter core (6) to insert, the mounting ports (33) extend downward to form sealing parts matched with the sealing surface (63) of the filter core (6), the flow collecting part (3) is provided with an ejection plate (4) below the insertion plate (32), the ejection plate (4) is provided with water outlet holes (42) matched with the bottom of the filter core (6), the top of the ejection plate (4) abuts against the bottom of the filter core (6), the ejection plate (4) and the insertion plate (32) are provided with a tension spring (43) therebetween, the mounting plate (2) is provided with a stepped hole (21) matched with the bottom of the open check ring (61), and the bottom of the cover plate (14) is provided with a sealing block (15) matched with the center of the open check ring (61).

2. The vertical through-flow compression filter cartridge (6) according to claim 1, characterized in that: The sealing part comprises a sealing ring (35), the sealing ring (35) is arranged at the bottom of the insertion plate (32), and the sealing ring (35) is arranged concentrically with the mounting port (33).

3. The vertical through-flow compression filter cartridge (6) according to claim 2, characterized in that: The bottom of the insertion plate (32) is provided with an annular groove (34) matched with the top of the sealing ring (35), and the top of the sealing ring (35) is welded and fixed with the annular groove (34).

4. The vertical, through-flow, compression filter cartridge (6) according to claim 2, characterized in that The inner side of the sealing ring (35) is provided with a sealing groove (36), the sealing groove (36) is arranged concentrically with the sealing ring (35), at least one sealing groove (36) is arranged in the axial direction of the sealing ring (35), and the sealing groove (36) is provided with a sealing ring (37) therein, and the sealing ring (37) abuts against the sealing surface (63).

5. The vertical, through-flow, compression filter cartridge (6) according to claim 2, characterized in that The ejection plate (4) extends upward at the position of the water outlet hole (42) to form a guide ring (41), the water outlet hole (42) penetrates the inner side of the guide ring (41), the outer side of the guide ring (41) is connected in sliding mode with the inner side of the sealing ring (35), and the top of the guide ring (41) abuts against the bottom of the filter core (6).

6. The vertical through-flow compression filter cartridge (6) according to claim 5, characterized in that: The circumferential side of the ejection plate (4) and the inner wall of the flow collecting part (3) form a lifting gap (44), the tension spring (43) is sleeved outside the sealing ring (35), the top of the tension spring (43) is connected with the bottom of the insertion plate (32), and the bottom of the tension spring (43) is connected with the ejection plate (4).

7. The vertical through-flow compression filter cartridge (6) according to claim 6, characterized in that: The ejection plate (4) and the insertion plate (32) are provided with a limiting structure, the limiting structure comprises a bolt (5), the bottom of the insertion plate (32) is provided with a threaded hole (51) which is threadedly connected with the bolt (5), the ejection plate (4) is provided with a through hole (52) through which the thread of the bolt (5) passes, and the length of the bolt (5) is greater than the length of the sealing ring (35).

8. The vertical, through-flow, compression filter cartridge (6) according to claim 1, characterized in that The sealing surface (63) is arranged around the lower side of the circumferential surface of the filter core (6), and the filter hole (62) is arranged outside the sealing surface (63).

9. The vertical, through-flow, compression filter cartridge (6) according to claim 1, characterized in that: The depth of the stepped hole (21) is less than half the thickness of the open blocking ring (61), the mounting plate (2) extends downward along the axial direction of the stepped hole (21) to form a mounting ring (22), a reinforcing rib plate (23) is arranged between the side wall of the mounting ring (22) and the bottom of the mounting plate (2), and the reinforcing rib plate (23) is arranged around the mounting ring (22).

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