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CN-224207622-U - Rotary locking type filter bag fixing structure

CN224207622UCN 224207622 UCN224207622 UCN 224207622UCN-224207622-U

Abstract

The utility model discloses a rotary locking type filter bag fixing structure which comprises a filter cylinder, wherein a filter basket is arranged in the filter cylinder, a filter bag is sleeved in the filter basket, a circle of bearing table is arranged on the inner side of the top of the filter basket, a plurality of openings which are distributed at intervals are arranged above the bearing table, one side of each opening is provided with a communicated compression opening, a sealing gasket is arranged in each compression opening, a reinforcing ring is arranged on the bearing table, compression spring pieces which are in one-to-one correspondence with the openings are arranged on the outer side edges of the reinforcing ring, the compression spring pieces can enter from the openings and rotate along the compression openings until the compression spring pieces are tightly attached to the sealing gasket so as to clamp and fix the filter bag, a plurality of positioning upright posts are arranged on the top surface of the reinforcing ring, a cover pressing plate is also pressed on the filter basket, a plurality of positioning holes which are in one-to-one correspondence with the positioning upright posts are arranged on the cover pressing plate, and the cover pressing plate is detachably connected with the filter cylinder. The utility model has simple and convenient installation, the filter bag can not fall off, the integral tightness is good, and the looseness can not be generated.

Inventors

  • FAN LI
  • ZHU JUNJIE

Assignees

  • 无锡强工机械工业有限公司

Dates

Publication Date
20260508
Application Date
20250513

Claims (7)

  1. 1. A rotary locking type filter bag fixing structure is characterized by comprising a filter drum (1), wherein a filter basket (2) is arranged in the filter drum (1), a filter bag is sleeved in the filter basket (2), a circle of bearing table (3) is arranged on the inner side of the top of the filter basket (2), a plurality of openings (4) are arranged above the bearing table (3) at intervals, a communicated compression opening (5) is formed in one side of each opening (4), a sealing gasket (6) is arranged in each compression opening (5), a reinforcing ring (7) is arranged on the bearing table (3), compression spring pieces (8) which are in one-to-one correspondence with the openings (4) are arranged on the outer side edge of each reinforcing ring (7), the compression spring pieces (8) can enter from the openings (4) and rotate along the compression openings (5) to be tightly attached to the sealing gaskets (6) so as to clamp and fix the filter bag, a plurality of positioning stand columns (9) are arranged on the top surface of the reinforcing ring (7), a cover pressing plate (10) is also pressed on the filter basket (2), and the cover pressing plate (10) is in one-to-one correspondence with the positioning stand columns (11).
  2. 2. The rotary locking type filter bag fixing structure according to claim 1, wherein the top surface of the bearing table (3) is provided with a positioning groove (3 a), and the bottom surface of the reinforcing ring (7) is provided with a positioning convex ring (7 a) matched with the positioning groove (3 a).
  3. 3. The rotary locking type filter bag fixing structure according to claim 1, wherein the top of the opening (4) penetrates through the top surface of the filter basket (2), one end of the pressing opening (5) is communicated with the bottom of the opening (4), and the other end of the pressing opening extends obliquely downwards.
  4. 4. A rotary locking type filter bag fixing structure according to claim 3, wherein the sealing gasket (6) is arranged on the bottom surface and/or the top surface of the compression opening (5).
  5. 5. The rotary locking type filter bag fixing structure according to claim 4, wherein the thickness of the sealing gasket (6) gradually increases from the higher end to the lower end of the pressing opening (5).
  6. 6. The rotary locking type filter bag fixing structure according to claim 1, wherein a cross reinforcing plate (12) is arranged in the middle of the reinforcing ring (7), and the cross reinforcing plate (12) is fixedly connected with the inner side surface of the reinforcing ring (7).
  7. 7. The rotary locking type filter bag fixing structure according to claim 1, wherein a plurality of connecting studs (13) are arranged on the top surface of the filter cylinder (1), a plurality of connecting holes (14) which are in one-to-one correspondence with the connecting studs (13) are arranged on the cover pressing plate (10), and locking nuts (15) are sleeved on the top ends of the connecting studs (13).

Description

Rotary locking type filter bag fixing structure Technical Field The utility model relates to the technical field of filters, in particular to a rotary locking type filter bag fixing structure. Background The existing filter bag fixing structure generally has the problems of complicated installation, poor sealing performance, easy loosening, easy falling of the filter bag and the like, the filter bag is mainly pressed by a pressing ring, the filter bag is easy to be flushed by filtering liquid in the running process of the filter, the filtering effect cannot be ensured, and the filter bag is difficult to operate during disassembly, so that the maintenance is difficult. Disclosure of utility model The utility model aims to solve the technical problems that in the prior art, the filter bag is complex to assemble and disassemble and easy to fall off, and the fixing structure is poor in tightness and easy to loosen. The technical scheme is that the rotary locking type filter bag fixing structure comprises a filter cylinder, a filter basket is arranged in the filter cylinder, a filter bag is sleeved in the filter basket, a circle of bearing table is arranged on the inner side of the top of the filter basket, a plurality of openings which are distributed at intervals are arranged above the bearing table, a communicated compression opening is arranged on one side of each opening, a sealing gasket is arranged in each compression opening, a reinforcing ring is arranged on the bearing table, compression spring pieces which are in one-to-one correspondence with the openings are arranged on the outer side edge of the reinforcing ring, the compression spring pieces can enter from the openings and rotate along the compression openings to be tightly attached to the sealing gaskets so as to clamp and fix the filter bag, a plurality of positioning upright posts are arranged on the top surface of the reinforcing ring, a cover pressing plate is also pressed on the filter basket, a plurality of positioning holes which are in one-to-one correspondence with the positioning upright posts are arranged on the cover pressing plate, and the cover pressing plate is detachably connected with the filter cylinder. Furthermore, in the utility model, the top surface of the bearing table is provided with a positioning groove, and the bottom surface of the reinforcing ring is provided with a positioning convex ring matched with the positioning groove. Further, in the utility model, the top of the opening penetrates through the top surface of the filter basket, one end of the pressing opening is communicated with the bottom of the opening, and the other end of the pressing opening extends obliquely downwards. Further, in the utility model, the sealing gasket is arranged on the bottom surface and/or the top surface of the pressing opening. Further, in the present utility model, the thickness of the gasket becomes gradually thicker from the higher end to the lower end of the pressing port. Furthermore, in the utility model, the middle part of the reinforcing ring is provided with the cross reinforcing plate, and the cross reinforcing plate is fixedly connected with the inner side surface of the reinforcing ring. Furthermore, the top surface of the filter cylinder is provided with a plurality of connecting studs, the cover pressing plate is provided with a plurality of connecting holes corresponding to the connecting studs one by one, and the top ends of the connecting studs are sleeved with locking nuts. Compared with the prior art, the utility model has the advantages that when the filter bag is fixed, the reinforcing ring is aligned with the bearing table and is installed and rotated, so that the compression spring plate is clamped into the compression opening, the quick fixing of the filter bag can be finished, then the cover pressing plate is covered, the reinforcing ring can be positioned by aligning the positioning hole of the cover pressing plate with the positioning upright post of the reinforcing ring, the reverse rotation is avoided, and finally the filter bag is locked and fixed by the locking nut, so that the installation is simple and convenient, the filter bag cannot fall off, the integral tightness is good, and the looseness cannot be generated. Drawings FIG. 1 is a schematic diagram of the structure of the present utility model; FIG. 2 is a schematic view of the engagement of the filter basket with the reinforcing ring of the present utility model; FIG. 3 is a perspective view of the filter basket and the reinforcing ring of the present utility model; FIG. 4 is a schematic view of the structure of the filter basket and the reinforcing ring after the filter basket and the reinforcing ring are assembled; fig. 5 is an enlarged partial schematic view of the portion a in fig. 1. The filter comprises a filter cylinder 1, a filter basket 2, a filter basket 3, a bearing table 3a, a positioning groove 4, an opening 5, a pressing opening 6