CN220415805U - Vortex type power frequency centrifugal fan - Google Patents

Abstract

The utility model discloses an eddy current type power frequency centrifugal fan, which comprises a centrifugal fan and an opening and closing assembly, wherein the centrifugal fan comprises a base at the bottom, a motor and a shell, wherein the motor and the shell are respectively and fixedly arranged at the upper end of the base, the opening and closing assembly comprises a movable shell movably arranged at the front end of the shell, a notch is formed in the inner end and the outer end of the shell in a concave manner, and a sealing block is fixedly arranged at the outer side of the inner end of the movable shell. According to the vortex type power frequency centrifugal fan, the movable shell is movably arranged at the front end of the shell in the centrifugal fan, and the movable shell and the shell can be rapidly separated through the disassembly of screws at two sides and the stretching rotation of the movable rod at the bottom, so that the maintenance and cleaning of a turbine in the shell are performed, the convenience of the maintenance and cleaning of the turbine is improved, the sealing block which is arranged at the inner side of the movable shell and is clamped into the notch in the shell can also ensure the tightness after the movable shell and the shell are connected, and the normal operation and the use of the centrifugal fan are prevented from being influenced.

Description

Vortex type power frequency centrifugal fan

Technical Field

The utility model relates to the technical field of centrifugal fans, in particular to an eddy current type power frequency centrifugal fan.

Background

The vortex type industrial frequency 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 draft of boilers and industrial kilns; cooling and ventilation in air-conditioning devices and household appliances; drying and selecting grains; inflation and propulsion of wind tunnel wind source and air cushion ship, etc.

An existing centrifugal fan, such as a centrifugal fan disclosed in publication number CN206309620U, has the advantages of being used as a normal temperature fan and a high temperature fan, but the front end shell of the centrifugal fan is inconvenient to separate, so that cleaning and maintenance of an internal turbine are inconvenient to perform.

Disclosure of Invention

The utility model mainly aims to provide an eddy current type power frequency centrifugal fan which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides an eddy current type power frequency centrifugal fan, includes centrifugal fan and the subassembly that opens and shuts, centrifugal fan includes the base of bottom to and base upper end fixed mounting's motor and casing respectively, the subassembly that opens and shuts includes casing front end movable mounting's movable shell, and the inside and outside end of casing is the notch of sunk seting up, the inside outside of movable shell still fixed mounting has the sealing block, assorted between sealing block and the notch, the subassembly that opens and shuts still includes the engaging lug of casing outer end both sides welded fastening to and the screw that the engaging lug department welded fastening was corresponded to movable shell outer end both sides, the subassembly that opens and shuts still includes the constraint section of thick bamboo of base central authorities installation, and the movable rod of movable mounting in the constraint section of thick bamboo, the front end of movable rod is fixed in the movable shell lower extreme, and the movable rod is T word cylindricality structure, the subassembly that opens and shuts still includes the fixed hoop that constraint section of thick bamboo central authorities lid was established, and the fixed hoop is fixed in the base upper end.

Preferably, the centrifugal fan further comprises a motor driven turbine mounted within the housing.

Compared with the prior art, the utility model has the following beneficial effects:

1. the utility model provides an eddy current type power frequency centrifugal fan, the movable shell of casing front end movable mounting in the centrifugal fan, the dismantlement of accessible both sides screw and the tensile rotation of bottom movable rod realize the quick separation between movable shell and the casing to carry out the maintenance and the cleanness of turbine in the casing, with the improvement turbine maintenance and clear convenience, and the block that the movable shell inboard set up was to in the recess in the casing also can ensure the leakproofness after movable shell and casing are connected, in order to prevent influencing centrifugal fan's normal operating use.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is another view of the present utility model;

FIG. 3 is a disassembled view of the movable housing of the present utility model;

fig. 4 is another view of fig. 3 according to the present utility model.

Reference numerals:

100. a centrifugal fan; 101. a base; 102. a motor; 103. a housing; 104. a turbine;

200. an opening and closing assembly; 201. a movable case; 202. a notch; 203. a sealing block; 204. a connecting lug; 205. a screw; 206. a binding cylinder; 207. a movable rod; 208. and (5) fixing the hoop.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

Embodiment one:

as shown in fig. 1-4, this embodiment provides an eddy current power frequency centrifugal fan, including a centrifugal fan 100 and an opening and closing assembly 200, the centrifugal fan 100 includes a base 101 at the bottom, and a motor 102 and a housing 103 fixedly installed at the upper end of the base 101, the centrifugal fan 100 further includes a turbine 104 installed in the housing 103 and driven by the motor 102, the opening and closing assembly 200 includes a movable housing 201 movably installed at the front end of the housing 103, and a recess 202 formed by recessing the inner end and the outer end of the housing 103, a sealing block 203 is fixedly installed at the outer end of the inner end of the movable housing 201, the sealing block 203 is matched with the recess 202, the opening and closing assembly 200 further includes a connecting lug 204 welded and fixed at two sides of the outer end of the housing 103, and screws 205 welded and fixed at two sides of the outer end of the movable housing 201 corresponding to the connecting lug 204, the opening and closing assembly 200 further includes a restraint cylinder 206 installed at the center of the base 101, and a movable rod 207 movably installed in the restraint cylinder 206, the front end of the movable rod 207 is fixed at the lower end of the movable housing 201, and the movable rod 207 has a T-shaped structure, the opening and closing assembly 200 further includes a fixing hoop 208 covered at the center of the restraint cylinder 206, and fixed at the upper end 101.

Specifically, the vortex power frequency centrifugal fan 100 is a machine for increasing gas pressure and discharging gas by means of input mechanical energy, and is a driven fluid machine, the movable shell 201 movably mounted at the front end of the casing 103 in the centrifugal fan 100 can be quickly separated from the casing 103 by detaching screws 205 between connecting lugs 204 at two sides and stretching and rotating a movable rod 207 in a bottom binding cylinder 206, so that maintenance and cleaning of a turbine 104 in the casing 103 are performed, convenience of maintenance and cleaning of the turbine 104 is improved, sealing blocks 203 clamped in notches 202 in the casing 103 are arranged at the inner side of the movable shell 201, sealing performance after the movable shell 201 is connected with the casing 103 is ensured, normal operation of the centrifugal fan 100 is prevented from being influenced, and a fixed hoop 208 fixed at the upper end of the base 101 is arranged at the upper end of the binding cylinder 206 and is mainly used for fixing the binding cylinder 206, so that stable opening and closing movement of the movable shell 201 is ensured by the movable rod 207 in the binding cylinder 206.

The working principle and the using flow of the utility model are as follows:

when the movable shell 201 at the front end of the casing 103 in the centrifugal fan 100 is separated, the screws 205 connected between the two ends of the movable shell 201 and the connecting lugs 204 at the two ends of the casing 103 are sequentially detached, after the screws 205 at the two ends of the casing 103 are detached, the movable shell 201 at the front end of the casing 103 is pulled outwards, so that the movable shell 201 moves forwards under the constraint of the rear end constraint cylinder 206 through the movable rod 207 connected at the bottom and rotates after the front movement, and the quick separation of the movable shell 201 at the front end of the casing 103 is completed, so that the turbine 104 in the casing 103 is cleaned or overhauled.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.

Claims (2)

1. The utility model provides an eddy current power frequency centrifugal fan, includes centrifugal fan (100) and opening and closing component (200), centrifugal fan (100) including base (101) of bottom to and motor (102) and casing (103) of fixed mounting respectively in base (101) upper end, characterized in that, opening and closing component (200) include casing (103) front end movable mounting's movable shell (201) and casing (103) inner and outer end are recess (202) of seting up, the fixed mounting has sealing block (203) in the inner outside of movable shell (201), the phase-match between sealing block (203) and recess (202), opening and closing component (200) still include casing (103) outer end both sides welded fastening's engaging lug (204), and the screw (205) of fixed corresponding engaging lug (204) department welded fastening in movable shell (201) outer end both sides, opening and closing component (200) still include base (101) central department mounted constraint section of thick bamboo (206) to constraint section thick bamboo (206) in movable mounting's movable rod (207), the front end of movable rod (207) is fixed in under movable shell (201) the recess (202) and the movable end is fixed in, and the fixed in cylindrical cap (208) is fixed in position (200), and the fixing hoop (208) is fixed on the upper end of the base (101).

2. The eddy current power frequency centrifugal fan as claimed in claim 1, wherein the centrifugal fan (100) further comprises a turbine (104) driven by the motor (102) mounted in the housing (103).