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CN-224228892-U - Centrifugal fan with be convenient for quick split spiral case structure

CN224228892UCN 224228892 UCN224228892 UCN 224228892UCN-224228892-U

Abstract

The utility model discloses a centrifugal fan with a volute structure convenient to split quickly, which comprises a discharge pipe, a first volute, a fixed connecting plate, a first fixed bolt, a sliding support clamping frame, a fixed support frame, a second volute, a protective cover and an impeller, wherein the first volute and the second volute are distributed in mirror symmetry, the fixed connecting plate is fixedly clamped at the edges of the inner side ends of the first volute and the second volute, and the first fixed bolt is arranged between the fixed connecting plates arranged on the first volute and the second volute in a threaded manner. The first volute and the second volute can be conveniently detached for internal overhaul in the using process, and alignment and fixation between the first volute and the second volute can be quickly and accurately realized after the overhaul is finished, so that the first volute and the second volute are conveniently and quickly detached and fixed in the using process of the device, and the internal overhaul is convenient.

Inventors

  • FEI YUZHEN
  • CHEN XIAOQIANG

Assignees

  • 苏州磐力风机制造有限公司

Dates

Publication Date
20260512
Application Date
20250520

Claims (5)

  1. 1. The centrifugal fan with the structure of being convenient for quickly detaching the volute comprises a discharge pipe (1), a first volute (2), a fixed connecting plate (3), a first fixed bolt (4), a sliding support clamping frame (5), a fixed supporting frame (7), a second volute (9), a protective cover (12) and an impeller (13), and is characterized in that the first volute (2) and the second volute (9) are distributed in a mirror symmetry mode, the fixed connecting plate (3) is fixedly clamped at the edges of the inner side ends of the first volute (2) and the second volute (9), the first fixed bolt (4) is installed between the fixed connecting plates (3) arranged on the first volute (2) and the second volute (9) in a threaded mode, the discharge pipe (1) is fixedly connected to the first volute (2) and the second volute (9), the sliding support clamping frame (5) is fixedly connected to the bottom end of the first volute (2), the fixed supporting frame (7) is fixedly connected to the bottom end of the second volute (9), the first volute (2) is fixedly connected to the impeller (9) in a rotating mode through the first volute (9) and the inner side of the impeller (13), and the impeller (13) is located between the first volute (2) and the second volute (9).
  2. 2. The centrifugal fan with the volute structure convenient to split rapidly according to claim 1, wherein a sealing rubber ring is fixedly clamped between the first volute (2) and a fixed connecting plate (3) arranged on the second volute (9).
  3. 3. The centrifugal fan with the volute structure convenient to split rapidly according to claim 2, wherein the bottom end of the fixed supporting frame (7) is fixedly connected with a fixed installation base (8).
  4. 4. The centrifugal fan with the volute structure convenient to split rapidly according to claim 3, wherein a sliding adjusting clamping groove (11) is formed in the fixed mounting base (8), the bottom end of the sliding supporting clamping frame (5) is in sliding clamping connection with the inside of the sliding adjusting clamping groove (11), fixing threaded holes (10) are symmetrically formed in the bottom end of the sliding supporting clamping frame (5), and a second fixing bolt (6) is rotatably mounted on the fixed mounting base (8) through threads.
  5. 5. A centrifugal fan having a structure for facilitating rapid disassembly of a volute casing according to claim 4, wherein the front end of the second fixing bolt (6) is inserted into the inside of the fixing screw hole (10).

Description

Centrifugal fan with be convenient for quick split spiral case structure Technical Field The utility model relates to the technical field of centrifugal fans, in particular to a centrifugal fan with a volute structure convenient to split rapidly. Background The centrifugal fan is a machine which increases the pressure of gas and discharges the gas by means of input mechanical energy, and is a driven fluid machine. Centrifugal fans are widely used for ventilation, dust removal and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings, ventilation and induced air of boilers and industrial furnaces, cooling and ventilation in air conditioning equipment and household electrical appliances, drying and selection of grains, inflation and propulsion of wind tunnel wind sources and air cushion ships, and the like, but shells of the existing centrifugal fans in volute-shaped structures cannot be quickly split in the using process, and the shells are integrally arranged, so that maintenance and disassembly are inconvenient when faults occur in the shells, and more time is spent for assembly and alignment adjustment after the shells are split, so that the centrifugal fans with the volute-shaped structures are convenient to quickly split to solve the problems. Disclosure of utility model The utility model aims to provide a centrifugal fan with a volute structure which is convenient to split quickly, so as to solve the problems in the background art. In order to achieve the purpose, the centrifugal fan with the volute structure convenient to split rapidly comprises a discharge pipe, a first volute, a fixed connecting plate, a first fixed bolt, a sliding support clamping frame, a fixed support frame, a second volute, a protective cover and an impeller, wherein the first volute and the second volute are distributed in a mirror symmetry mode, the fixed connecting plate is fixedly clamped at the edges of the inner ends of the first volute and the second volute, the first fixed bolt is installed between the fixed connecting plates arranged on the first volute and the second volute in a threaded mode, the discharge pipe is fixedly connected to the first volute and the second volute, the sliding support clamping frame is fixedly connected to the bottom end of the first volute, the fixed support frame is fixedly connected to the bottom end of the second volute, the protective cover is fixedly installed at the outer side end of the first volute through the bolt, the impeller is rotatably clamped inside the second volute, and the impeller is located between the first volute and the second volute. Preferably, a sealing rubber ring is fixedly clamped between the fixed connecting plates arranged on the first volute and the second volute. Preferably, the bottom end of the fixed support frame is fixedly connected with a fixed mounting base. Preferably, the fixed mounting base is provided with a sliding adjustment clamping groove, the bottom end of the sliding support clamping frame is in sliding clamping connection with the inside of the sliding adjustment clamping groove, the bottom end of the sliding support clamping frame is symmetrically provided with fixing threaded holes, and the fixed mounting base is provided with a second fixing bolt in a threaded rotation mode. Preferably, the front end of the second fixing bolt is inserted into the fixing threaded hole. Compared with the prior art, the utility model has the following beneficial effects: The first volute and the second volute can be conveniently detached for internal overhaul in the using process, and alignment and fixation between the first volute and the second volute can be quickly and accurately realized after the overhaul is finished, so that the first volute and the second volute are conveniently and quickly detached and fixed in the using process of the device, and the internal overhaul is convenient. Drawings FIG. 1 is a schematic diagram of the main structure of the present utility model; FIG. 2 is a schematic diagram of a main body split structure of the present utility model; fig. 3 is a schematic view of the internal structure of the main body of the present utility model. In the figure, a 1-discharge pipe, a 2-first volute, a 3-fixed connecting plate, a 4-first fixing bolt, a 5-sliding support clamping frame, a 6-second fixing bolt, a 7-fixed support frame, an 8-fixed mounting base, a 9-second volute, a 10-fixed threaded hole, a 11-sliding adjustment clamping groove, a 12-protective cover and a 13-impeller are arranged. Detailed Description The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility