CN214660981U

CN214660981U - Volute type high-temperature-resistant centrifugal impeller fan

Info

Publication number: CN214660981U
Application number: CN202120784673.6U
Authority: CN
Inventors: 史庆斌
Original assignee: Shandong Senmiao Air Conditioning Group Co ltd
Current assignee: Shandong Senmiao Air Conditioning Group Co ltd
Priority date: 2021-04-16
Filing date: 2021-04-16
Publication date: 2021-11-09
Anticipated expiration: 2031-04-16

Abstract

The utility model discloses a volute type high temperature resistant centrifugal impeller fan, which comprises a volute, wherein a motor is fixed on the outer surface of one side of the volute, an impeller is fixed on the outer end of a driving shaft of the motor through a first nut, the tail end of the motor is connected with a bottom cover through a thread, an air inlet is arranged on one side of the motor, an air guide port is arranged on the outer surface of the volute, an air outlet is arranged on the surface of the bottom cover, a first dust screen is fixed at the air outlet, radiating fins are fixed on the inner side surface of the bottom cover, fan blades are fixed on the tail end of the driving shaft of the motor, the fan blades are sleeved on the tail end of the driving shaft, the fan blades are fixed at the tail end of the driving shaft of the motor through a thread connection second nut, an air flow vent is arranged at two ends of the motor by adopting a through structure, the fan blades are used for air exhaust, and a multi-radiating fin heat absorption assembly is matched to facilitate the heat dissipation of the motor, the high temperature resistance is improved.

Description

Volute type high-temperature-resistant centrifugal impeller fan

Technical Field

The utility model relates to a spiral case impeller fan field, more specifically say, relate to a spiral case formula high temperature resistant centrifugal impeller fan.

Background

At present, in the manufacturing process of the metal manufacturing industry, air needs to be exhausted into a related furnace body through a fan for heating, however, the current fan has too low flow rate, and the temperature in the furnace cannot be rapidly increased, so that the heating efficiency is reduced;

when the blower fan is used, the blower fan is in a high-temperature area in a furnace body for a long time, so that the main shaft is easy to generate a locking phenomenon due to overhigh temperature, the volute type impeller blower fan in the prior art has poor high-temperature resistance, and the blower fan is inconvenient to radiate heat.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, the utility model aims to provide a volute type high temperature resistant centrifugal impeller fan, through adopting through-type structure, the air current blow vent is seted up at its motor both ends to set up the flabellum and bleed, cooperate many fin heat absorption subassembly, it is convenient for dispel the heat to the motor, improves high temperature resistance.

In order to solve the above problems, the utility model adopts the following technical proposal.

A volute type high-temperature resistant centrifugal impeller fan comprises a volute, wherein a motor is fixed on the outer surface of one side of the volute, the outer end of the driving shaft of the motor is fixed with an impeller through a first nut, the tail end of the motor is connected with a bottom cover through a thread, an air inlet is arranged at one side of the motor, an air guide port is arranged on the outer surface of the volute, an air outlet is arranged on the surface of the bottom cover, a first dust screen is fixed at the air outlet, a radiating fin is fixed on the inner side surface of the bottom cover, fan blades are fixed at the tail end of a driving shaft of the motor, the fan blades are sleeved at the tail end of the driving shaft, the tail end of the driving shaft of the motor is connected with the second nut through threads to fix the fan blades, through adopting a through structure, the air flow vents are formed in the two ends of the motor, the fan blades are arranged for air exhaust, and the heat absorption components with the multiple radiating fins are matched, so that the motor is convenient to radiate heat, and the high-temperature resistance is improved.

Furthermore, an outer cover is fixed at the outer end of the volute, and a convex opening is formed in the outer cover, so that air can be conveniently fed.

Furthermore, the outer cover is fixed on the outer surface of the volute through screws, so that assembly is facilitated.

Furthermore, a second dust screen is fixed on the inner side surface of the air inlet, and dust can be prevented when air flows.

Furthermore, the radiating fins are uniformly distributed on the inner side surface of the exhaust port of the bottom cover and are made of aluminum sheets, so that the heat is absorbed quickly and radiated conveniently.

Compared with the prior art, the utility model has the advantages of:

(1) through adopting through-type structure, the air current vent is seted up at its motor both ends to set up the flabellum and bleed, cooperation many fin heat absorption subassembly, it is convenient for dispel the heat to the motor, improves high temperature resistance.

(2) The outer end of the volute is fixed with an outer cover, and a convex opening is formed in the outer cover, so that air can be conveniently fed.

(3) The outer cover is fixed on the outer surface of the volute through screws, so that assembly is facilitated.

(4) The inner side surface of the air inlet is fixed with a second dustproof net which can prevent dust when the airflow flows.

(5) The radiating fins are uniformly distributed on the inner side surface of the exhaust port of the bottom cover and are made of aluminum sheets, so that the heat sink is convenient to absorb heat quickly and radiate heat.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a cross-sectional view of the motor of the present invention;

FIG. 3 is a right end side view of the bottom cover of the present invention;

fig. 4 is a left side view of the bottom cover of the present invention.

The reference numbers in the figures illustrate:

1 volute, 2 motors, 3 impellers, 4 first nuts, 20 air inlets, 8 air guide ports, 50 first dust screens, 51 radiating fins, 6 fan blades, 7 second nuts, 100 outer covers and 21 second dust screens.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, a volute type high temperature resistant centrifugal impeller fan includes a volute 1, a motor 2 is fixed on an outer surface of one side of the volute 1, an impeller 3 is fixed on an outer end of a driving shaft of the motor 2 through a first nut 4, a bottom cover 5 is connected to a tail end of the motor 2 through a thread, an air inlet 20 is formed on one side of the motor 2, an air guide opening 8 is formed on an outer surface of the volute 1, an air outlet is formed on a surface of the bottom cover 5, a first dust screen 50 is fixed at the air outlet, a heat sink 51 is fixed on an inner side surface of the bottom cover 5, a fan blade 6 is fixed to a tail end of the driving shaft of the motor 2, the fan blade 6 is sleeved on the tail end of the driving shaft, and the fan blade is fixed to the tail end of the driving shaft of the motor 2 through a second nut 7 connected through a thread.

Referring to fig. 1-4, an outer cover 100 is fixed to an outer end of the scroll casing 1, a protrusion is formed on the outer cover 100 for facilitating air intake, the outer cover 100 is fixed to an outer surface of the scroll casing 1 by screws for facilitating assembly, a second dust screen 21 is fixed to an inner side surface of the air inlet 20 for preventing dust when air flows, the heat dissipation fins 51 are uniformly distributed on an inner side surface of an air outlet of the bottom cover 5, and the heat dissipation fins 51 are made of aluminum sheets for facilitating rapid heat absorption and heat dissipation.

An impeller 3 is fixed at the outer end of a driving shaft of the motor 2 through a first nut 4, the tail end of the motor 2 is connected with a bottom cover 5 through threads, one side of the motor 2 is provided with an air inlet 20, the outer surface of the volute 1 is provided with an air guide port 8, the surface of the bottom cover 5 is provided with an air outlet, a first dust screen 50 is fixed at the air outlet, a radiating fin 51 is fixed on the inner side surface of the bottom cover 5, a fan blade 6 is fixed at the tail end of the driving shaft of the motor 2, the fan blade 6 is sleeved at the tail end of the driving shaft, the fan blade is fixed at the tail end of the driving shaft of the motor 2 through a threaded connection second nut 7, when the motor 2 drives the impeller 3, air can be exhausted and the fan blade 6 is driven to rotate to exhaust air, the air guide port 8 is opposite to the air inlet 20, can be led into the motor 2 and led out through the air outlet, the heat radiation fins 51 absorb heat to radiate heat of the motor 2, so that the high-temperature resistance performance can be enhanced, and the service life can be prolonged.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a high temperature resistant centrifugal impeller fan of spiral case formula, includes spiral case (1), its characterized in that: the utility model discloses a fan casing, including spiral case (1), motor (2), air inlet (20) are seted up to one side of motor (2), the surface of spiral case (1) is seted up and is led gas port (8), the gas vent is seted up on the surface of bottom (5), and its gas vent department is fixed with first dust screen (50), the inboard fixed surface of bottom (5) has fin (51), the drive shaft tail end of motor (2) is fixed with flabellum (6), flabellum (6) cover is at the drive shaft tail end, the drive shaft tail end of motor (2) passes through the fixed flabellum of threaded connection second nut (7).

2. The volute high temperature resistant centrifugal impeller fan of claim 1, wherein: an outer cover (100) is fixed at the outer end of the volute (1), and a convex opening is formed outside the outer cover (100).

3. The volute high temperature resistant centrifugal impeller fan of claim 2, wherein: the outer cover (100) is fixed on the outer surface of the volute (1) through screws.

4. The volute high temperature resistant centrifugal impeller fan of claim 1, wherein: and a second dust screen (21) is fixed on the inner side surface of the air inlet (20).

5. The volute high temperature resistant centrifugal impeller fan of claim 1, wherein: the radiating fins (51) are uniformly distributed on the inner side surface of the exhaust port of the bottom cover (5), and the radiating fins (51) are made of aluminum sheets.