Basket filter

Abstract

The basket type filter comprises a filter cylinder, a water inlet flange is arranged at the other end of a water inlet pipe, a water outlet flange is arranged at the other end of a water outlet pipe, the axis of the water inlet flange and the axis of the water outlet flange coincide, a filter basket structure is arranged in the filter cylinder, the water outlet pipe is obliquely and upwards bent, and the diameter of a water outlet is larger than that of the water inlet. By optimizing the structure of an existing filter, on the premise that the final axis of a water inlet pipeline and the axis of a water outlet pipeline of the T-shaped filter coincide, the size of a fluid outlet, namely the size of the water outlet, is increased, the flowing effect of fluid is improved, smooth circulation of the fluid is guaranteed, and the filtering effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to filter structure, in particular to a basket type filter. BACKGROUND

[0002] Basket type filter is usually used on oil liquid or other liquid pipeline, and is used for filtering the impurities in the pipeline, and the filter hole area is usually 2-3 times larger than the area of the pipeline diameter, which is far more than the filtering area of Y type and T type filter.

[0003] The basket type filter mainly comprises a connecting pipe, a cylinder, a filter basket, a flange cover and fasteners.

[0004] In the prior art, the Chinese invention patent with the application number "201811050569.3" discloses a high-efficiency basket type filter. UTILITY MODEL CONTENTS

[0005] The utility model discloses a basket type filter, which has the advantages of smooth fluid circulation and good filtering effect.

[0006] The above technical purpose of the utility model is realized by the following technical scheme: a basket type filter, comprising a filter cylinder, a mounting port is arranged at the top of the filter cylinder, a mounting cover is arranged on the mounting port, a water inlet is arranged on one side of the upper portion of the filter cylinder, a water outlet is arranged on the other side of the lower portion of the filter cylinder, a water inlet pipe is arranged on the outer side of the water inlet of the filter cylinder, one end of the water inlet pipe is connected with the water inlet, a water inlet flange is arranged at the other end of the water inlet pipe, a water outlet pipe is arranged on the outer side of the water outlet of the filter cylinder, one end of the water outlet pipe is connected with the water outlet, a water outlet flange is arranged at the other end of the water outlet pipe, the axes of the water inlet flange and the water outlet flange coincide, a filter basket structure is arranged in the filter cylinder, the water outlet pipe is arranged in an inclined upwardly curved mode, and the diameter of the water outlet is greater than that of the water inlet.

[0007] As preferred, the water outlet pipe comprises, from top to bottom, an upper outer curved segment, a middle vertical segment and a lower inner curved segment, the left side of the upper outer curved segment is welded with the outside of the filter cartridge, the right side of the upper outer curved segment is connected with the water outlet flange, the bottom of the upper outer curved segment is connected with the top of the middle vertical segment, the bottom of the middle vertical segment is connected with the top of the lower inner curved segment, and the side and bottom of the lower inner curved segment are inwardly curved and connected with the water outlet.

[0008] By adopting the above technical scheme, the water inlet flange and the water outlet flange are at the same height by cooperating with the size of the water outlet after the size is expanded.

[0009] As preferred, the installation opening is formed through the inner side wall of the filter cartridge upwardly, the installation flange is formed by extending radially outwardly of the filter cartridge at the installation opening, the bottom of the installation cover is flat, and the installation flange and the installation cover are connected by bolts.

[0010] By adopting the above technical scheme, the installation opening position structure and the flat structure of the bottom of the installation cover are disclosed, and the two are connected by bolts.

[0011] As preferred, the filter basket structure comprises a fixing ring, a positioning ring, a basket body and a handle, the fixing ring is horizontally arranged at the middle part of the inner side of the filter cartridge, the positioning ring is arranged outside the upward opening position of the basket body, the bottom of the positioning ring is matched with the fixing ring, and the handle is arranged at the top of the positioning ring and extends upwardly.

[0012] By adopting the above technical scheme, the fixing ring and the positioning ring are matched to keep the basket body at the middle part of the height direction of the filter cartridge, and the filter basket is taken and placed through the handle.

[0013] As preferred, the handle comprises a welded segment, a vertical segment and a horizontal segment, the top of the vertical segment is connected with the two sides of the horizontal segment in length direction respectively, the bottom of the vertical segment is connected with the welded segment extending outwardly in horizontal direction, and the welded segment is welded and fixed with the top of the positioning ring.

[0014] By adopting the above technical scheme, the structure and connection structure of the handle are disclosed, and the space occupied by the structure is small, which does not affect the normal flow of fluid.

[0015] As preferred, the horizontal segment is provided with an elastic frame above, the elastic frame is U-shaped, the two sides of the elastic frame extend outwardly and obliquely, the bottom of the elastic frame is connected with the horizontal segment by bolts, and the top of the two sides of the elastic frame is provided with an abutting plate between the abutting plate and the installation cover.

[0016] Through adoption of the above technical scheme, the elastic frame and the handle jointly act, the lower part of the basket body is supported and fixed through the fixing ring and the positioning ring, the upper part of the basket body is effectively reduced in upward movement through the elastic compression of the elastic frame.

[0017] As preferred, the top of the fixing ring is provided with a containing ring groove, the positioning ring is embedded with the containing ring groove in the height direction, and the containing ring groove is concentrically arranged with the fixing ring.

[0018] Through adoption of the above technical scheme, the containing ring groove is arranged, the movement of the basket body in the horizontal direction is effectively reduced, and the limiting in the horizontal direction is realized.

[0019] As preferred, the surface and the bottom of the basket body are uniformly distributed with the first filter holes, the inside of the basket body is provided with a filter plate, the filter plate is arranged in a cross in the horizontal direction, the side surface of the filter plate is connected with the inner wall of the basket body, the bottom of the filter plate is connected with the bottom of the basket body, and the filter plate is uniformly distributed with the second filter holes.

[0020] Through adoption of the above technical scheme, the multiple filtering effect is achieved in the flow range of the fluid, and the filtering effect is improved.

[0021] As preferred, the lower part of the filter cartridge is provided with a discharge hole, the bottom of the filter cartridge is obliquely arranged towards the position of the discharge hole, and the discharge hole is arranged below the water outlet.

[0022] Through adoption of the above technical scheme, the residual liquid in the filter cartridge is conveniently discharged.

[0023] As preferred, the axes of the water inlet and the water outlet are parallel in the height direction, and the top of the mounting cover is provided with an exhaust hole and a handle.

[0024] Through adoption of the above technical scheme, the mounting and dismounting of the mounting cover are facilitated, and the exhaust hole avoids the excessively high pressure in the filter cartridge.

[0025] In summary, through optimization of the structure of the existing filter, under the premise that the axes of the final water inlet and water outlet pipes of the T-shaped filter coincide, the size of the fluid outlet, i.e. the size of the water outlet, is increased, the flow effect of the fluid is improved, the smooth flow of the fluid is ensured, and the filtering effect is improved; the form of the filter core structure is optimized, the filter core is more convenient to manufacture and saves materials, and the installation, cleaning and replacement are more simple and fast. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 is a sectional view of an embodiment;

[0027] Figure 2 is Figure 1 is an enlarged view of part A shown in the figure;

[0028] Figure 3 yes Figure 1 An enlarged schematic diagram of part B is shown below;

[0029] Figure 4 This is a top view of the mounting cover in the embodiment;

[0030] Figure 5 This is a top view of the filter basket structure of the embodiment;

[0031] In the diagram, 1. Filter cartridge; 11. Inlet; 12. Inlet pipe; 13. Inlet flange; 14. Outlet; 15. Outlet flange; 16. Drain hole; 2. Mounting port; 21. Mounting cover; 22. Mounting flange; 23. Vent hole; 24. Handle; 3. Outlet pipe; 31. Upper outer curved section; 32. Middle vertical section; 33. Lower inner arc section; 41. Fixing ring; 411. Receiving ring groove; 42. Positioning ring; 43. Basket; 431. Filter plate; 44. Handle; 441. Welded section; 442. Vertical section; 443. Horizontal section; 45. Flexible frame; 46. Abutment plate. Detailed Implementation

[0032] The present invention will be further described in detail below with reference to the accompanying drawings.

[0033] 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.

[0034] Example:

[0035] like Figures 1 to 5 As shown, a basket filter includes a filter cartridge 1, which is cylindrical and connected to a mounting cover 21 at the top. The bottom of the filter cartridge 1 is sealed with a welded inclined plate. A vent hole 16 is provided at the bottom of the filter cartridge 1, and the bottom of the filter cartridge 1 is inclined toward the vent hole 16. A mounting port 2 is provided at the top of the filter cartridge 1, and a mounting cover 21 is provided on the mounting port 2. A vent hole 23 and a handle 24 are provided on the top of the mounting cover 21. The mounting port 2 is formed by penetrating upward through the inner side wall of the filter cartridge 1. The filter cartridge 1 extends radially outward from the mounting port 2 to form a mounting flange 22. The bottom of the mounting cover 21 is flat. The mounting flange 22 and the mounting cover 21 are connected by bolts, which facilitates the disassembly and replacement of the filter basket structure inside the filter cartridge 1.

[0036] like Figure 1As shown, the water inlet and outlet structure of the filter cartridge 1 is as follows: one side of the upper part of the filter cartridge 1 is provided with a water inlet 11, the other side of the lower part of the filter cartridge 1 is provided with a water outlet 14, the axis of the water inlet 11 and the water outlet 14 is parallel in the height direction, the emptying hole 16 is arranged below the water outlet 14, the filter cartridge 1 is provided with a water inlet pipe 12 outside the water inlet 11, one end of the water inlet pipe 12 is connected with the water inlet 11, the other end of the water inlet pipe 12 is provided with a water inlet flange 13, the filter cartridge 1 is provided with a water outlet pipe 3 outside the water outlet 14, one end of the water outlet pipe 3 is connected with the water outlet 14, the other end of the water outlet pipe 3 is provided with a water outlet flange 15.

[0037] As shown in Figure 1 order to ensure that the structure of the filter is consistent with the external pipeline when connected, the axis of the water inlet flange 13 and the water outlet flange 15 coincides with the T-shaped filter, at the same time, the outlet size is increased, thereby improving the filtering efficiency, the position of the water outlet 14 and the structure of the water outlet pipe 3 are improved as follows: the water outlet pipe 3 is arranged in an inclined upward curve, at the same time, the diameter of the water outlet 14 is greater than that of the water inlet 11, the water outlet pipe 3 includes an upper outer curved segment 31, a middle vertical segment 32 and a lower inner arc segment 33 from top to bottom, the three are fixed by welding, at the same time, the side surface is welded with the side surface of the filter cartridge 1, the left side of the upper outer curved segment 31 is welded with the outer side of the filter cartridge 1, the right side of the upper outer curved segment 31 is connected with the water outlet flange 15, the bottom of the upper outer curved segment 31 is connected with the top of the middle vertical segment 32, the bottom of the middle vertical segment 32 is connected with the top of the lower inner arc segment 33, the side surface and the bottom of the lower inner arc segment 33 are bent inward and connected with the water outlet 14.

[0038] As shown in Figure 1 and Figure 5 the filter basket structure is arranged in the filter cartridge 1, the filter basket structure includes a fixing ring 41, a positioning ring 42, a basket body 43 and a handle 44, the fixing ring 41 is horizontally welded on the inner side of the middle part of the filter cartridge 1, the positioning ring 42 is arranged outside the upward opening position of the basket body 43, the bottom of the positioning ring 42 is matched with the fixing ring 41, the top of the fixing ring 41 is provided with a receiving ring groove 411, the positioning ring 42 is embedded with the receiving ring groove 411 in the height direction, the receiving ring groove 411 is concentrically arranged with the fixing ring 41, the handle 44 is arranged on the top of the positioning ring 42 and extends upward.

[0039] As shown in Figure 1 , Figure 2 and Figure 3As shown, the handle 44 includes a welded section 441 formed by bending a metal plate, a vertical section 442, and a horizontal section 443. The top of the vertical section 442 is connected to the two sides of the horizontal section 443, respectively. The bottom of the vertical section 442 is connected to the welded section 441 extending outward in the horizontal direction. The welded section 441 is welded and fixed to the top of the positioning ring 42. In order to ensure that the filter basket is pressed on the fixed ring 41 and reduce the volume of the handle 44, the horizontal section 443 is provided with an elastic frame 45. The elastic frame 45 is U-shaped, and the two sides of the elastic frame 45 extend outward. The bottom of the elastic frame 45 is connected to the horizontal section 443 by a bolt. The top of the two sides of the elastic frame 45 is provided with an abutting plate 46 between the mounting cover 21. After the elastic frame 45 abuts the top of the mounting cover 21, the elastic frame 45 is deformed and pressed downward to press the positioning ring 42 of the filter basket on the fixed ring 41.

[0040] The filter structure in the basket body 43 is that the surface and the bottom of the basket body 43 are uniformly distributed with first filter holes. The inside of the basket body 43 is provided with a filter plate 431. The filter plate 431 is arranged in a cross shape in the horizontal direction. The side of the filter plate 431 is connected to the inner wall of the basket body 43. The bottom of the filter plate 431 is connected to the bottom of the basket body 43. The filter plate 431 is uniformly distributed with second filter holes. The diameter of the first filter hole is larger than that of the second filter hole, which improves the water filtering effect.

[0041] Working principle:

[0042] In the disassembly process, the mounting cover 21 is opened, and the basket body 43 is lifted upward by the handle 44 to replace the filter basket. In the use process, the filter basket is limited in the height direction of the filter cartridge 1 by the elastic frame 45 above and the positioning ring 42 below, so as to avoid the shaking and shifting of the filter basket in the filter cartridge 1. At the same time, the fluid enters the filter cartridge 1 from the water inlet flange 13 through the water inlet pipe 12, then flows obliquely downward, passes through the basket body 43 and the filter plate 431, and then exits the filter cartridge 1 from the water outlet 14 below, and then flows upward in the water outlet pipe 3 and exits from the water outlet flange 15.

Claims

1. A basket filter comprising a filter cartridge (1), characterized in that: The top of the filter cartridge (1) is provided with a mounting port (2), the mounting port (2) is provided with a mounting cover (21), one side above the filter cartridge (1) is provided with a water inlet (11), the other side below the filter cartridge (1) is provided with a water outlet (14), the filter cartridge (1) is provided with a water inlet pipe (12) outside the water inlet (11), one end of the water inlet pipe (12) is connected with the water inlet (11), the other end of the water inlet pipe (12) is provided with a water inlet flange (13), the filter cartridge (1) is provided with a water outlet pipe (3) outside the water outlet (14), one end of the water outlet pipe (3) is connected with the water outlet (14), the other end of the water outlet pipe (3) is provided with a water outlet flange (15), the axes of the water inlet flange (13) and the water outlet flange (15) coincide, the filter cartridge (1) is provided with a filter basket structure, the water outlet pipe (3) is arranged in an inclined upward curve, the diameter of the water outlet (14) is greater than that of the water inlet (11).

2. The basket filter of claim 1, wherein: The water outlet pipe (3) comprises an upper outer curve segment (31), a middle vertical segment (32) and a lower inner arc segment (33) from top to bottom, the left side of the upper outer curve segment (31) is welded with the outer side of the filter cartridge (1), the right side of the upper outer curve segment (31) is connected with the water outlet flange (15), the bottom of the upper outer curve segment (31) is connected with the top of the middle vertical segment (32), the bottom of the middle vertical segment (32) is connected with the top of the lower inner arc segment (33), the side and bottom of the lower inner arc segment (33) are inwardly curved and connected with the water outlet (14).

3. The basket strainer of claim 1, wherein: The mounting port (2) is formed by penetrating the inner side wall of the filter cartridge (1) upwardly, the mounting flange (22) is formed by extending radially outwardly of the filter cartridge (1) at the mounting port (2), the bottom of the mounting cover (21) is flat, and the mounting flange (22) and the mounting cover (21) are connected by bolts.

4. The basket strainer of claim 3, wherein: The filter basket structure comprises a fixing ring (41), a positioning ring (42), a basket body (43) and a handle (44), the fixing ring (41) is horizontally arranged in the middle of the inner side of the filter cartridge (1), the positioning ring (42) is arranged outside the upward opening position of the basket body (43), the bottom of the positioning ring (42) is matched with the fixing ring (41), and the handle (44) is arranged at the top of the positioning ring (42) and extends upwardly.

5. The basket strainer of claim 4, wherein: The handle (44) comprises a welded segment (441) formed by bending, a vertical segment (442) and a horizontal segment (443), the top of the vertical segment (442) is connected with the two sides of the length direction of the horizontal segment (443) respectively, the bottom of the vertical segment (442) is connected with the welded segment (441) which extends outwardly in the horizontal direction, and the welded segment (441) is welded and fixed with the top of the positioning ring (42).

6. The basket strainer of claim 5, wherein: The horizontal section (443) is provided with an elastic frame (45), the elastic frame (45) is U-shaped, the two sides of the elastic frame (45) extend outwardly, the bottom of the elastic frame (45) is connected with the horizontal section (443) through bolts, and the top of the two sides of the elastic frame (45) is provided with an abutting plate (46) connected with the mounting cover (21).

7. The basket strainer of claim 4, wherein: The top of the fixing ring (41) is provided with a containing ring groove (411), the positioning ring (42) is embedded with the containing ring groove (411) in the height direction, and the containing ring groove (411) is concentrically arranged with the fixing ring (41).

8. The basket strainer of claim 4, wherein: The surface and the bottom of the basket (43) are uniformly distributed with first filter holes, the inside of the basket (43) is provided with a filter plate (431), the filter plate (431) is arranged in a cross shape in the horizontal direction, the side of the filter plate (431) is connected with the inner wall of the basket (43), the bottom of the filter plate (431) is connected with the bottom of the basket (43), and the filter plate (431) is uniformly distributed with second filter holes.

9. The basket strainer of claim 3, wherein: The lower side of the filter cartridge (1) is provided with a discharge hole (16), the bottom of the filter cartridge (1) is arranged to be inclined towards the position of the discharge hole (16), and the discharge hole (16) is arranged below the water outlet (14).

10. The basket strainer of claim 1, wherein: The axes of the water inlet (11) and the water outlet (14) are parallel in the height direction, the top of the mounting cover (21) is provided with an exhaust hole (23) and a handle (24).

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