Basket filter with middle exhaust top

Abstract

The basket type filter comprises a barrel, a baffle is obliquely arranged in the middle of the interior of the barrel, a containing hole is formed in the center of the baffle, a filter cylinder with the bottom penetrating through the containing hole is arranged on the baffle, a cover body is arranged on an opening, an exhaust hole is formed in the center of the cover body, and the top of the cover body is provided with an air outlet. The check ring is provided with a handle, the lower portion of the handle makes contact with the check ring, the upper portion of the handle is close to or abuts against the bottom of the inner side of the cover body, and the handle does not intersect with the axis of the exhaust hole in the vertical direction. After the cover body is opened, the filter cartridge can be conveniently lifted out through the handle; in the filtering process, the bottom of the cover body is always close to or propped against the upper surface of the lifting handle, so that the effect of fixing the filter cartridge is achieved, the lifting handle and the filter cartridge are effectively prevented from moving in the height direction, and the positioning and fixing effects on the filter cartridge are better; the lifting handle is staggered with the axis of the exhaust hole in the horizontal direction and the vertical direction, gas is prevented from passing through the lifting handle in the exhaust process, and exhaust interference is avoided.

Description

Technical Field

[0001] The utility model relates to filtering equipment, in particular to a basket filter with exhaust arranged in the middle of the top. Background Art

[0002] Basket filters are mainly used in the fields of petroleum, chemical, food, pharmaceutical, environmental protection, etc. Basket filters are usually installed at the inlet end of compressors, pumps, and instrument equipment to remove impurities in the medium and protect equipment on the pipeline from wear and blockage. They can not only extend the service life of pumps and other equipment, but also ensure the safety of the entire system.

[0003] The basket filter mainly filters impurities in the fluid by arranging a filter basket with a filter screen in the liquid flow path of the water inlet and the water outlet. In the prior art, the utility model patent with the authorization announcement number "CN2834664Y" discloses a self-cleaning basket exhaust filter, the top of which is provided with an exhaust port, and the filter screen is tiltedly arranged in the filter. However, with the development of technology and the requirements of environmental protection, the filter has changed from being replaced as a whole to being regularly inspected, that is, the filter screen needs to be replaced regularly or cleaned after returning to the factory. In order to facilitate replacement, a handle is usually provided on the filter basket to facilitate opening the upper cover body and taking out the filter basket. However, there is interference between the handle of the filter basket and the exhaust port of the cover body. Therefore, a new structure of the basket filter is needed to solve the above problem. Utility Model Content

[0004] The utility model aims to provide a basket filter with top-center exhaust, which has the advantages of good fixing effect and avoiding interference.

[0005] The above-mentioned technical purpose of the utility model is achieved through the following technical solutions: a basket filter with top-center exhaust, comprising a cylinder, a baffle is obliquely arranged in the middle of the cylinder, a placement hole is arranged in the center of the baffle, a filter cartridge with a bottom passing through the placement hole is arranged on the baffle, a water inlet is arranged above the baffle, a water outlet is arranged below the baffle, an opening is arranged at the top of the cylinder, a cover is arranged on the opening, an exhaust hole is arranged in the center of the cover, a retaining ring cooperating with the baffle is arranged on the top of the filter cartridge, a handle is arranged on the retaining ring, the lower part of the handle is in contact with the retaining ring, the upper part of the handle is close to or abuts against the bottom of the inner side of the cover, and the handle does not intersect with the axis of the exhaust hole in the vertical direction.

[0006] Preferably, the water inlet is arranged on the side of the cylinder, and the cylinder extends outward at the water inlet position to form a side tube body, one side of the side tube body is connected to the cylinder, and the other side of the side tube body is provided with a first flange.

[0007] By adopting the above technical solution, the first flange and the subsequent pipe body are connected by connecting bolts, and liquid is introduced from the side, thereby improving the filtering effect of the filter basket.

[0008] Preferably, the water outlet is arranged at the bottom center of the cylinder, the cylinder extends downward at the water outlet position to form a bottom tube body, the top of the bottom tube body is connected to the cylinder, and the bottom of the bottom tube body is provided with a second flange.

[0009] By adopting the above technical solution, the overall height of the cylinder is increased by the support legs, which makes it easier for the pipeline to be connected to the second flange from the bottom and facilitates the flow of the fluid.

[0010] Preferably, the connection position between the side tube body and the first flange is inclined outwardly.

[0011] By adopting the above technical solution, it is easy to connect with the pipeline and improve the flow rate of the fluid.

[0012] Preferably, the connection position between the bottom tube body and the second flange is inclined outwardly.

[0013] By adopting the above technical solution, it is convenient to connect with the pipeline.

[0014] Preferably, the cover body is horizontally arranged, and the cover body extends upward at the exhaust hole position to form an exhaust pipe. The bottom of the exhaust pipe is arranged through the cover body, and a third flange is arranged on the top of the exhaust pipe. A flange hole is arranged on the circumferential end surface of the cover body, and the flange hole is arranged around the cover body. A fourth flange matching the flange hole is arranged on the top of the cylinder body, and the cylinder body is tilted outward at the fourth flange position, and a gasket is arranged between the fourth flange and the cover body.

[0015] By adopting the above technical solution, the welding of the handle is convenient, and the horizontally arranged cover is convenient for processing.

[0016] Preferably, the cover body is provided with handles, and the handles are arranged in parallel on both sides of the exhaust pipe.

[0017] By adopting the above technical solution, it is convenient to lift the cover body by the handle, which is convenient for subsequent maintenance and avoids the exhaust pipe at the same time.

[0018] Preferably, the retaining ring and the baffle are arranged at an angle in the cylinder body, the side of the baffle close to the water inlet is located below the water inlet, and the side of the baffle away from the water inlet is located above the water inlet, the upper surface of the filter cartridge is arranged at an angle, and the bottom of the filter cartridge is arranged horizontally.

[0019] By adopting the above technical solution, the fluid can be filtered more fully, avoiding a reduction in the flow rate of the fluid passing through the filter cartridge.

[0020] Preferably, the handle includes a left connecting section, a right connecting section and a middle connecting section, the bottom of the left connecting section is connected to the top of the retaining ring, the top of the left connecting section is connected to the left side of the middle connecting section, the right side of the middle connecting section is connected to the top of the right connecting section, the bottom of the right connecting section is connected to the top of the retaining ring, the left connecting section and the right connecting section are connected at the middle and lower part of the retaining ring, and the top of the middle connecting section is close to or abuts against the bottom of the cover body.

[0021] By adopting the above technical solution, the structure of the handle can reduce the flow rate reduction of the fluid when passing through the handle. At the same time, the handle contacts the bottom of the cover body and plays the role of fixing and positioning the filter cartridge.

[0022] Preferably, the bottom of the cylinder is arranged in an arc shape downward, at least three legs are evenly distributed on the outer circumferential side of the cylinder, the side surfaces of the tops of the legs are welded and fixed to the lower part of the cylinder, and a connecting plate is horizontally arranged at the bottom of the legs.

[0023] By adopting the above technical solution, the cylinder body is supported, the height of the basket filter is raised, the bottom liquid discharge is convenient, and the fixing effect of the cylinder body is improved.

[0024] To sum up, the handle makes it convenient to open the cover body and pull out the filter cartridge; during the filtering process, the bottom of the cover body always presses against the upper surface of the handle to fix the filter cartridge, or the top of the cover body is slightly above the upper surface of the handle, which effectively prevents the handle and the filter cartridge from moving in the height direction, and has a better positioning and fixing effect on the filter cartridge; the overall water path enters from the water inlet, flows out from the water outlet, and passes through the filter cartridge between the water inlet and the water outlet to achieve a filtering effect; the cylinder body is exhausted through the exhaust hole on the cover plate, and the handle is staggered from the axis of the exhaust hole in the horizontal and vertical directions to avoid gas passing through the handle during the exhaust process, thereby avoiding interference caused by exhaust. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a structural schematic diagram of an embodiment;

[0026] Figure 2 yes Figure 1 An enlarged schematic diagram of part A is shown;

[0027] Figure 3 is a top view of an embodiment;

[0028] Figure 4 is a bottom view of an embodiment;

[0029] In the figure, 1. cylinder; 11. baffle; 12. placement hole; 13. cover; 14. flange hole; 15. fourth flange; 16. handle; 2. filter cartridge; 21. retaining ring; 22. handle; 3. water inlet; 31. side tube body; 32. first flange; 4. water outlet; 41. bottom tube body; 42. second flange; 5. exhaust hole; 51. exhaust pipe; 52. third flange; 6. support foot; 61. connecting plate. DETAILED DESCRIPTION

[0030] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0031] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed, but such modifications are protected by patent law as long as they are within the scope of the claims of the present invention.

[0032] Example:

[0033] like Figures 1 to 4 As shown, a basket filter with top-center exhaust comprises a cylindrical barrel 1, a baffle 11 is obliquely arranged in the middle of the barrel 1, and the filter structure can also be adopted in a horizontally arranged baffle 11 structure, a placement hole 12 is arranged in the center of the baffle 11, a filter cartridge 2 with the bottom passing through the placement hole 12 is arranged on the baffle 11, the baffle 11 limits the downward movement of the filter cartridge 2, a water inlet 3 is arranged above the baffle 11 of the barrel 1, a water outlet 4 is arranged below the baffle 11 of the barrel 1, an opening is arranged at the top of the barrel 1, a cover body 13 is arranged on the opening, an exhaust hole 5 is arranged in the center of the cover body 13, a retaining ring 21 cooperating with the baffle 11 is arranged on the top of the filter cartridge 2, a handle 22 is arranged on the retaining ring 21, the lower part of the handle 22 is in contact with the retaining ring 21, the upper part of the handle 22 is close to or abuts the bottom of the inner side of the cover body 13, and the handle 22 is not in the same plane with the axis of the exhaust hole 5 in the vertical direction.

[0034] like Figures 1 to 4 As shown, the cover body 13 is horizontally arranged, and the cover body 13 extends upward at the exhaust hole 5 to form an exhaust pipe 51. The bottom of the exhaust pipe 51 passes through the cover body 13, and a third flange 52 is arranged on the top of the exhaust pipe 51. A flange hole 14 is arranged on the circumferential end surface of the cover body 13, and the flange hole 14 is arranged around the cover body 13. A fourth flange 15 matching the flange hole 14 is arranged on the top of the cylinder 1, and the flange hole 14 and the fourth flange 15 are used to realize the connection between the cover plate and the top of the cylinder 1. The cylinder 1 is tilted outward at the position of the fourth flange 15, and a gasket is arranged between the fourth flange 15 and the cover body 13 to improve the sealing effect. In order to facilitate the disassembly and lifting of the cover body 13, a handle 16 is arranged on the cover body 13, and the handle 16 is arranged in parallel on both sides of the exhaust pipe 51.

[0035] like Figure 1 and Figure 2 As shown, the structure of the handle 22 is inverted U-shaped, including a left connecting section, a right connecting section and a middle connecting section, the three are formed integrally by sheet metal or metal punching, the bottom of the left connecting section is fixed to the top of the retaining ring 21 by welding, the top of the left connecting section is connected or bent to the left side of the middle connecting section, the right side of the middle connecting section is connected or bent to the top of the right connecting section, the bottom of the right connecting section is fixed to the top of the retaining ring 21 by welding, the left connecting section and the right connecting section are connected to the middle and lower part of the retaining ring 21, which plays the role of avoiding the exhaust hole 5 at the top, and the top of the middle connecting section is close to or abuts against the bottom of the cover body 13.

[0036] like Figure 1 As shown, the overall water channel structure of the filter is as follows: the water inlet 3 is arranged on the side of the cylinder 1, and the cylinder 1 extends outward at the position of the water inlet 3 to form a side tube body 31, one side of the side tube body 31 is connected with the cylinder 1, and the connection position of the side tube body 31 and the first flange 32 is tilted outward excessively, and the other side of the side tube body 31 is provided with a first flange 32, and the side tube body 31 is connected to the external pipeline through the first flange 32; the water outlet 4 is arranged at the bottom center of the cylinder 1, and the cylinder 1 extends downward at the position of the water outlet 4 to form a bottom tube body 41, the top of the bottom tube body 41 is connected with the cylinder 1, and the bottom of the bottom tube body 41 is provided with a second flange 42, and the connection position of the bottom tube body 41 and the second flange 42 is tilted outward excessively, and the bottom tube body 41 is connected to the external pipeline through the second flange 42 by bolts.

[0037] like Figure 1 As shown, the retaining ring 21 and the baffle 11 can also be arranged horizontally as needed. In order to improve the filtering effect of the filter cartridge 2, the retaining ring 21 and the baffle 11 are arranged obliquely in the cylinder body 1, and the side of the baffle 11 close to the water inlet 3 is located below the water inlet 3, and the side of the baffle 11 away from the water inlet 3 is located above the water inlet 3. The upper surface of the filter cartridge 2 is arranged obliquely, and the bottom of the filter cartridge 2 is arranged horizontally.

[0038] like Figure 1 , Figure 3 and Figure 4 As shown, in order to ensure that the fluid flows out from the bottom of the cylinder 1, the bottom of the cylinder 1 is arranged in an arc shape downward, so that the water outlet 4 can discharge the liquid; in order to set the pipeline at the bottom of the cylinder 1, a support leg 6 is arranged at the bottom of the cylinder 1 to raise the height of the cylinder 1 so that the bottom of the cylinder 1 has corresponding space for the arrangement of the pipeline, and at least three support legs 6 are evenly distributed on the outer circumferential side of the cylinder 1, and the side surface of the top of the support leg 6 is welded and fixed to the lower part of the cylinder 1, and a connecting plate 61 is horizontally arranged at the bottom of the support leg 6.

[0039] Working principle:

[0040] The handle 22 is convenient for opening the cover body 13 and extracting the filter cartridge 2 from it; during the filtering process, the bottom of the cover body 13 always presses against the upper surface of the handle 22 to fix the filter cartridge 2, or the top of the cover body 13 is slightly above the upper surface of the handle 22, effectively preventing the handle 22 and the filter cartridge 2 from moving in the height direction, and having a better positioning and fixing effect on the filter cartridge 2; the overall water path enters from the water inlet 3, flows out from the water outlet 4, and passes through the filter cartridge 2 between the water inlet 3 and the water outlet 4, achieving a filtering effect; the cylinder body 1 is exhausted through the exhaust hole 5 on the cover plate, and at the same time, the handle 22 is staggered from the axis of the exhaust hole 5 in the horizontal and vertical directions to avoid gas passing through the handle 22 during the exhaust process, thereby avoiding interference caused by exhaust.

Claims

1. A basket filter with top central exhaust, characterized in that: The invention comprises a cylinder (1), a baffle (11) is obliquely arranged in the middle of the cylinder (1), a placement hole (12) is arranged at the center of the baffle (11), a filter cartridge (2) is arranged on the baffle (11), the bottom of which passes through the placement hole (12), a water inlet (3) is arranged on the cylinder (1) above the baffle (11), a water outlet (4) is arranged on the cylinder (1) below the baffle (11), and an opening is arranged on the top of the cylinder (1), the opening A cover body (13) is provided on the top, an exhaust hole (5) is provided at the center of the cover body (13), a retaining ring (21) matched with the baffle (11) is provided on the top of the filter cartridge (2), a handle (22) is provided on the retaining ring (21), the lower part of the handle (22) is in contact with the retaining ring (21), the upper part of the handle (22) is close to or abuts against the bottom of the inner side of the cover body (13), and the handle (22) does not intersect with the axis of the exhaust hole (5) in the vertical direction.

2. The basket filter with top central exhaust according to claim 1, characterized in that: The water inlet (3) is arranged on the side of the cylinder (1); the cylinder (1) extends outward at the position of the water inlet (3) to form a side tube (31); one side of the side tube (31) is connected to the cylinder (1); and the other side of the side tube (31) is provided with a first flange (32).

3. The basket filter with top central exhaust according to claim 1, characterized in that: The water outlet (4) is arranged at the bottom center of the cylinder (1); the cylinder (1) extends downward at the water outlet (4) to form a bottom tube (41); the top of the bottom tube (41) is connected to the cylinder (1); and the bottom of the bottom tube (41) is provided with a second flange (42).

4. The basket filter with top central exhaust according to claim 2, characterized in that: The connection position between the side tube body (31) and the first flange (32) is inclined outwards.

5. The basket filter with top central exhaust according to claim 3, characterized in that: The connection position between the bottom tube body (41) and the second flange (42) is inclined outwards.

6. The top-center exhaust basket filter according to claim 1, characterized in that: The cover body (13) is arranged horizontally. The cover body (13) extends upward at the position of the exhaust hole (5) to form an exhaust pipe (51). The bottom of the exhaust pipe (51) passes through the cover body (13). The top of the exhaust pipe (51) is provided with a third flange (52). The circumferential end surface of the cover body (13) is provided with a flange hole (14). The flange hole (14) is arranged around the cover body (13). The top of the cylinder (1) is provided with a fourth flange (15) that matches the flange hole (14). The cylinder (1) is inclined outward at the position of the fourth flange (15). A gasket is provided between the fourth flange (15) and the cover body (13).

7. The basket filter with top central exhaust according to claim 6, characterized in that: The cover body (13) is provided with a handle (16), and the handle (16) is arranged in parallel on both sides of the exhaust pipe (51).

8. The top-center exhaust basket filter according to claim 1, characterized in that: The retaining ring (21) and the baffle (11) are arranged in an inclined manner inside the cylinder (1); the side of the baffle (11) close to the water inlet (3) is located below the water inlet (3); the side of the baffle (11) away from the water inlet (3) is located above the water inlet (3); the upper surface of the filter cartridge (2) is arranged in an inclined manner; and the bottom of the filter cartridge (2) is arranged horizontally.

9. The basket filter with top central exhaust according to claim 8, characterized in that: The handle (22) comprises a left connecting section, a right connecting section and a middle connecting section, the bottom of the left connecting section is connected to the top of the retaining ring (21), the top of the left connecting section is connected to the left side of the middle connecting section, the right side of the middle connecting section is connected to the top of the right connecting section, the bottom of the right connecting section is connected to the top of the retaining ring (21), the left connecting section and the right connecting section are connected at the middle and lower part of the retaining ring (21), and the top of the middle connecting section is close to or abuts against the bottom of the cover body (13).

10. The top center exhaust basket filter according to claim 1, characterized in that: The bottom of the cylinder (1) is arranged in an arc shape downward, at least three legs (6) are evenly distributed on the outer circumferential side of the cylinder (1), the side surfaces of the tops of the legs (6) are welded and fixed to the lower part of the cylinder (1), and a connecting plate (61) is horizontally arranged at the bottom of the legs (6).

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