CN221401007U - A-type centrifugal fan - Google Patents

Abstract

The utility model discloses an A-type centrifugal fan, which relates to the field of centrifugal fans and comprises a base, wherein a shell is arranged at the rear of the top surface of the base, a bracket is arranged at the front of the top surface of the base, a fan main body is arranged in the shell, and a heat dissipation assembly is arranged in the bracket. The device has small size, can reduce cost, has low noise in the use process, can cool the motor, ensures normal operation at high temperature, and ensures the service life of the centrifugal ventilator.

Description

A-type centrifugal fan

Technical Field

The utility model relates to the field of centrifugal fans, in particular to an A-type centrifugal fan.

Background

The centrifugal fan is widely applied to a boiler room, is mainly used for rapidly ventilating a boiler, but when the centrifugal fan is used, the centrifugal fan is easily heated seriously and is inconvenient to cool the motor, so that the centrifugal fan cannot be applied to a high-temperature environment for a long time, the motor is also affected by high temperature, the service life of the motor is reduced, and the service life of the centrifugal fan is further reduced.

Disclosure of utility model

The utility model aims to provide an A-type centrifugal fan so as to solve the defects in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: including the base, the rear of base top surface sets up the casing, and the place ahead of base top surface sets up the support, sets up the fan main part in the casing, and the inside of support sets up cooling module.

The A-type centrifugal fan comprises a fan body and an impeller, wherein the fan body comprises a motor and the impeller, the motor is fixedly arranged on the top surface of a support, an output shaft of the motor is fixedly provided with the impeller, the impeller is positioned in a shell, an air outlet is formed in the upper side of the shell, an air inlet is formed in the rear side of the shell, the impeller corresponds to the air inlet, and a short-circuit barrel is connected with the flange at the air inlet.

The utility model provides an A type centrifugal fan, the radiating component includes the fixed plate, a motor, radiating fin and blade, the fixed plate is located the inside of support, the annular radiating fin of top surface fixed mounting of fixed plate, the motor is located radiating fin's inside and installs the top surface at the fixed plate, radiating fin's top surface fixed mounting shell, the output shaft fixed mounting several blade of motor, the blade is located the shell, the standing groove is all seted up to the both sides of fixed plate, be equipped with L type pole in the standing groove, the one end of L type pole is located the standing groove and can follow the standing groove and remove, the inner wall of standing groove passes through spring fixed connection with the one end of L type pole, the other end fixed mounting inserted block of L type pole, the other end of L type pole is equipped with the connecting block, the slot is seted up to one side of connecting block, the inserted corresponding slot and removed along the slot, the opposite side and the inner wall fixed connection of support of connecting block.

According to the A-type centrifugal fan, the heat insulation layer is arranged outside the shell.

Compared with the prior art, the utility model has the beneficial effects that: the device has small size, can reduce cost, has low noise in the use process, can cool the motor, ensures normal operation at high temperature, and ensures the service life of the centrifugal ventilator.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort to a person skilled in the art.

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

FIG. 2 is a left side view of FIG. 1;

fig. 3 is a schematic structural diagram of a heat dissipating assembly.

Reference numerals: 1-base, 2-casing, 21-air outlet, 22-air intake, 23-short cylinder, 3-support, 4-fan main body, 41-motor, 42-impeller, 5-heat radiating component, 51-fixed plate, 52-motor, 53-heat radiating fin, 54-blade, 55-shell, 56-placing groove, 57-L type pole, 58-spring, 59-plug block, 510-connecting block, 511-slot.

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 model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 3, the embodiment specifically discloses an a-type centrifugal fan, which comprises a base 1, wherein a casing 2 is arranged at the rear of the top surface of the base 1, a heat insulation layer is arranged outside the casing 2, the impeller can be subjected to heat insulation through the heat insulation layer, and damage to the impeller caused by overhigh temperature is avoided, so that the service life of the impeller is influenced.

The place ahead of base 1 top surface sets up support 3, set up fan main part 4 in the casing 2, fan main part 4 includes motor 41 and impeller 42, motor 41 fixed mounting is at the top surface of support 3, motor 41's output shaft fixed mounting impeller 42, impeller 42 is located casing 2, casing 2's top sets up air outlet 21, casing 2's rear side sets up air intake 22, impeller 42 corresponds with air intake 22, air intake 22 department flange joint short circuit section of thick bamboo 23, motor 41 work, motor 41's output shaft drives impeller 42 and rotates, the air gets into through air intake 22, discharge through putting air outlet 21.

The inside of the bracket 3 is provided with a heat radiation component 5, the heat radiation component 5 comprises a fixed plate 51, a motor 52, heat radiation fins 53 and blades 54, the fixed plate 51 is positioned in the bracket 3, the top surface of the fixed plate 51 is fixedly provided with the annular heat radiation fins 53, the motor 52 is positioned in the heat radiation fins 53 and is arranged on the top surface of the fixed plate 51, the top surface of the heat radiation fins 53 is fixedly provided with a shell 55, the output shaft of the motor 52 is fixedly provided with a plurality of blades 54, the blades 54 are positioned in the shell 55, both sides of the fixed plate 51 are provided with a placing groove 56, one end of the placing groove 56 is provided with an L-shaped rod 57, one end of the L-shaped rod 57 is positioned in the placing groove 56 and can move along the placing groove 56, the inner wall of the placing groove 56 is fixedly connected with one end of the L-shaped rod 57 through a spring 58, the other end of the L-shaped rod 57 is fixedly provided with an inserting block 59, the slot 511 is formed in one side of the connecting block 510, the inserting block 59 is inserted into the corresponding slot 511 and moves along the slot 511, the other side of the connecting block 510 is fixedly connected with the inner wall of the bracket 3, when the device is used, the inserting block 59 is inserted into the corresponding slot 511, the inserting block 59 can be always positioned in the slot 511 under the action of the spring 58, so that the heat dissipation assembly 5 can be fixed, the motor 52 works, the output shaft of the motor 52 drives the blade 54 to rotate, the blade 54 and the heat dissipation fins 53 can dissipate heat of the motor 41, when the heat dissipation assembly 5 needs to be repaired or maintained, the L-shaped rod 57 is pushed into the placing groove 56, the L-shaped rod 57 drives the inserting block 59 to move out of the slot 511, and the heat dissipation assembly 5 can be taken down on the bracket 3, so that the heat dissipation assembly 5 can be conveniently repaired or maintained.

Working principle:

When the device is used, the heat dissipation assembly 5 is arranged below the bracket 3, so that the heat dissipation assembly 5 corresponds to the motor 41, and in the working process, the heat dissipation assembly 5 can dissipate heat of the motor 41, so that normal operation at high temperature is ensured.

It should be noted that, the foregoing embodiments only specifically and clearly describe the technical solutions and technical features of the present application. And those skilled in the art will not be able to describe in detail the above embodiments regarding the schemes or features belonging to the prior art or common general knowledge.

In addition, the technical solutions of the present application are not limited to the above-mentioned embodiments, and those skilled in the art should consider the description as a whole, and the technical solutions in the embodiments may be appropriately combined, so as to form other embodiments that can be understood by those skilled in the art.

Claims (4)

1. The utility model provides an A type centrifugal fan, includes base (1), its characterized in that: the rear of base (1) top surface sets up casing (2), and the place ahead of base (1) top surface sets up support (3), sets up fan main part (4) in casing (2), and the inside of support (3) sets up radiator unit (5).

2. A centrifugal fan of type a according to claim 1, wherein: the fan main body (4) comprises a motor (41) and an impeller (42), the motor (41) is fixedly arranged on the top surface of the support (3), the impeller (42) is fixedly arranged on the output shaft of the motor (41), the impeller (42) is located in the shell (2), an air outlet (21) is formed in the upper portion of the shell (2), an air inlet (22) is formed in the rear side of the shell (2), the impeller (42) corresponds to the air inlet (22), and the air inlet (22) is connected with the short cylinder (23) in a flange mode.

3. A centrifugal fan of type a according to claim 1, wherein: the heat dissipation component (5) comprises a fixing plate (51), a motor (52), heat dissipation fins (53) and blades (54), wherein the fixing plate (51) is positioned in the bracket (3), the top surface of the fixing plate (51) is fixedly provided with the annular heat dissipation fins (53), the motor (52) is positioned in the heat dissipation fins (53) and is arranged on the top surface of the fixing plate (51), the top surface of the heat dissipation fins (53) is fixedly provided with a shell (55), an output shaft of the motor (52) is fixedly provided with a plurality of blades (54), the blades (54) are positioned in the shell (55), both sides of the fixing plate (51) are provided with placing grooves (56), one end of each of the L-shaped rods (57) is positioned in each placing groove (56) and can move along each placing groove (56), one end of each placing groove (56) is fixedly connected with one end of each L-shaped rod (57) through a spring (58), the other end of each L-shaped rod (57) is fixedly provided with an inserting block (59), one end of each L-shaped rod (57) is provided with a connecting block (510), one side of each connecting block (510) is provided with one side of each inserting block (511) and the corresponding inserting block (511) moves along each inserting groove (511), the other side of the connecting block (510) is fixedly connected with the inner wall of the bracket (3).

4. A centrifugal fan of type a according to claim 1, wherein: and a heat insulation layer is arranged outside the shell (2).