CN220769800U - Novel centrifugal fan adaptable to complex environment - Google Patents

Abstract

The utility model discloses a novel centrifugal fan capable of adapting to complex environments, which belongs to the field of fans and comprises a shell and a bottom plate, wherein a clamping ring is clamped on the front side of the shell in a sliding manner, an end cover is fixedly arranged on the front side of the clamping ring, an air inlet hopper is fixedly arranged on the left side of the end cover, a baffle ring is fixedly arranged at the left end of the outer side of the shell, an air outlet hopper is fixedly arranged at the upper end of the left side of the shell, a support column is fixedly arranged at the rear side of the upper end of the bottom plate, an arc-shaped seat is fixedly arranged at the upper end of the support column, connecting rods are respectively fixedly arranged at the front side and the rear side of the upper end of the arc-shaped seat, a rain-proof plate is fixedly arranged at the upper end of the connecting rods, a limit end cover is conveniently arranged through the clamping ring, gaps at the connecting positions of the end cover and the shell are wrapped through the baffle ring, so that rainwater is prevented from flowing into the shell, the effect of the limit end cover inside and outside is conveniently assembled and disassembled, and the shell is conveniently opened for maintenance and detection work, meanwhile, the motor is protected by the connecting rods, and the motor is protected from being damaged by the sun-proof.

Description

Novel centrifugal fan adaptable to complex environment

Technical Field

The utility model relates to the field of fans, in particular to a novel centrifugal fan adaptable to complex environments.

Background

The fan is a machine which relies on input mechanical energy to raise the pressure of gas and discharge the gas, and is a driven fluid machine. The fan is a common short for gas compression and gas conveying machinery in China, and the fan generally comprises a ventilator, a blower and a wind driven generator.

At present, the fan shell is inconvenient to assemble and disassemble, so that a great deal of inconvenience is brought to maintenance and detection work of the fan, meanwhile, most of motors of the fan are arranged on the outer side of the fan shell, and are not protected by a protecting device and are easy to damage due to damage caused by sunburn and rain, so that the service life and the use effect of the motors are reduced.

For example, publication No. CN105090107a discloses a backward centrifugal fan impeller and a centrifugal fan characterized by having excellent acoustic quality, wherein the backward centrifugal fan impeller comprises an impeller front plate, an impeller rear plate, and a plurality of blades between the impeller front plate and the impeller rear plate, wherein the backward centrifugal fan impeller further comprises balancing piece slots distributed along an inner circumference of at least one of the impeller front plate and the impeller rear plate. The backward centrifugal fan impeller and the centrifugal fan provided with the impeller have low running noise, and are particularly suitable for equipment such as air purifiers.

According to the above-mentioned disclosure, the fan casing is not provided with a device convenient to assemble and disassemble, and is not provided with a device for protecting the motor.

Disclosure of Invention

The utility model aims to provide a novel centrifugal fan which can adapt to complex environments and aims to solve the problems of loading and unloading of a fan shell and protection of a motor.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a novel centrifugal fan of adaptable complex environment, includes casing and bottom plate, the front side slip joint of casing has the snap ring, the fixed end cover that is provided with in front side of snap ring, the fixed inlet scoop that is provided with in left side of end cover, the fixed baffle ring that is provided with in outside left end of casing, the fixed outlet scoop that is provided with in left side upper end of casing, the fixed pillar that is provided with in upper end rear side of bottom plate, the fixed arc seat that is provided with in upper end of pillar, the fixed connecting rod that is provided with respectively in both sides around the upper end of arc seat, the fixed weather shield that is provided with of upper end of connecting rod, the fixed motor that is provided with in upper end of arc seat, the fixed connector that is provided with of motor shaft of motor, the fixed pivot that is provided with of front side through setting up the snap ring, wraps up through setting up the baffle ring, avoids the rainwater to flow to the inside of casing to play inside and outside spacing end cover, convenient loading and unloading, conveniently open the inside of casing and maintain and detect work, simultaneously through the weather shield that supports the motor, prevent the weather shield from being damaged to the weather shield.

Preferably, the end cover is slidably arranged in the baffle ring, the air inlet hopper, the casing and the air outlet hopper are communicated, the end cover is limited by the clamping ring, and the casing is supported by the top plate.

Preferably, a plurality of top plates are fixedly arranged at the lower end of the shell, a bottom plate is fixedly arranged at the lower end of the top plate, and the motor is limited through an arc-shaped seat.

Preferably, the left side of flashing board is fixed respectively and is provided with the inclined rib from top to bottom both ends, the inclined rib is fixed to be set up in the rear side of casing, supports through the connecting rod and connects the flashing board, increases the spacing steadiness of flashing board installation through the inclined rib.

Preferably, the connector rotates through the rear side of the housing, and the rotating shaft is fixedly provided with a plurality of blades.

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

(1) According to the utility model, the retainer ring is arranged to facilitate limiting of the end cover, and the retaining ring is arranged to wrap the gap at the joint of the end cover and the shell, so that rainwater is prevented from flowing into the shell, the effect of limiting the end cover inside and outside is achieved, the end cover is convenient to assemble and disassemble, and the shell is convenient to open for maintenance and detection.

(2) According to the utility model, the connecting rod is used for supporting the rain-proof plate, the motor is protected by the rain-proof plate, and damage to the motor caused by sun and rain is avoided.

Drawings

FIG. 1 is a schematic view of a partial structure of the present utility model;

FIG. 2 is a cross-sectional view of the overall structure of the present utility model;

fig. 3 is a schematic overall structure of the present utility model.

The reference numerals in the figures illustrate:

1 casing, 2 snap rings, 3 end covers, 4 air inlet hoppers, 5 baffle rings, 6 air outlet hoppers, 7 top plates, 8 bottom plates, 9 support posts, 10 arc-shaped seats, 11 connecting rods, 12 rain baffles, 13 inclined ribs, 14 motors, 15 motor shafts, 16 connectors, 17 rotating shafts and 18 blades.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.

Example 1

Referring to fig. 1-3, a novel centrifugal fan adaptable to complex environments in the drawings comprises a casing 1 and a bottom plate 8, wherein a clamping ring 2 is slidably clamped at the front side of the casing 1, an end cover 3 is fixedly arranged at the front side of the clamping ring 2, an air inlet hopper 4 is fixedly arranged at the left side of the end cover 3, a baffle ring 5 is fixedly arranged at the left side left end of the casing 1, an air outlet hopper 6 is fixedly arranged at the left side upper end of the casing 1, a support post 9 is fixedly arranged at the rear side of the upper end of the bottom plate 8, an arc-shaped seat 10 is fixedly arranged at the upper end of the support post 9, connecting rods 11 are respectively fixedly arranged at the front side and the rear side of the upper end of the arc-shaped seat 10, a rain-proof plate 12 is fixedly arranged at the upper end of the arc-shaped seat 10, a motor 14 is in the type of YE2, a plug of the motor 14 is spliced with an external power supply, a connector 16 is fixedly arranged at the motor shaft 15 of the motor 14, and a rotating shaft 17 is fixedly arranged at the front side of the connector 16, which belongs to the prior art.

In order to facilitate the assembly and disassembly of the end cover, the end cover 3 is arranged in the baffle ring 5 in a sliding manner, the air inlet hopper 4, the machine shell 1 and the air outlet hopper 6 are communicated, a plurality of top plates 7 are fixedly arranged at the lower end of the machine shell 1, and a bottom plate 8 is fixedly arranged at the lower end of the top plates 7.

In this embodiment, make things convenient for spacing end cover 3 through setting up snap ring 2, wrap up the gap of junction to end cover 3 and casing 1 through setting up baffle ring 5, avoid the rainwater to flow to the inside of casing 1 to play the effect of inside and outside spacing end cover 3, make things convenient for loading and unloading end cover 3, conveniently open the inside of casing 1 and maintain detection work.

Example 2

Referring to fig. 1-3, this embodiment further describes an embodiment 1, in which a novel centrifugal fan adaptable to a complex environment includes a casing 1 and a bottom plate 8, a snap ring 2 is slidably clamped on a front side of the casing 1, an end cover 3 is fixedly provided on a front side of the snap ring 2, an air inlet hopper 4 is fixedly provided on a left side of the end cover 3, a baffle ring 5 is fixedly provided on an outer left end of the casing 1, an air outlet hopper 6 is fixedly provided on a left upper end of the casing 1, a strut 9 is fixedly provided on a rear side of an upper end of the bottom plate 8, an arc-shaped seat 10 is fixedly provided on an upper end of the strut 9, connecting rods 11 are fixedly provided on front and rear sides of an upper end of the arc-shaped seat 10, a rain-proof plate 12 is fixedly provided on an upper end of the arc-shaped seat 10, a motor 14 is fixedly provided on a motor shaft 15 of the motor 14, a connector 16 is fixedly provided on a front side of the connector 16, and a rotating shaft 17 is fixedly provided on a front side of the connector 16.

In order to facilitate the protection of the motor, oblique ribs 13 are fixedly arranged at the upper end and the lower end of the left side of the rain-proof plate 12 respectively, the oblique ribs 13 are fixedly arranged at the rear side of the machine shell 1, the connector 16 rotates to penetrate through the rear side of the machine shell 1, and the rotating shaft 17 is fixedly provided with a plurality of blades 18.

In this embodiment, the connecting rod 11 is used to support the rain-proof plate 12, and the rain-proof plate 12 protects the motor 14 from damage caused by sun and rain to the motor 14.

The motor 14 is started, the motor shaft 15 of the motor 14 rotates, the motor shaft 15 drives the connector 16 to rotate, the rotating shaft 17 drives the blades 18 to rotate, wind is discharged into the casing 1 through the wind inlet hopper 4 and then is discharged through the wind outlet hopper 6, the connecting rod 11 supports the rainproof plate 12, the rainproof plate 12 protects the motor 14, and damage to the motor 14 caused by sun and rain is avoided.

The above description is only of the preferred embodiments of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.

Claims (5)

1. The utility model provides a novel centrifugal fan of adaptable complex environment, includes casing (1) and bottom plate (8), its characterized in that: the front side slip joint of casing (1) has snap ring (2), the front side of snap ring (2) is fixed and is provided with end cover (3), the fixed inlet scoop (4) that is provided with in left side of end cover (3), the fixed baffle ring (5) that is provided with in outside left end of casing (1), the fixed outlet scoop (6) that is provided with in left side upper end of casing (1), the fixed pillar (9) that is provided with in upper end rear side of bottom plate (8), the fixed arc seat (10) that is provided with in upper end of pillar (9), the fixed connecting rod (11) that is provided with in both sides around the upper end of arc seat (10) respectively, the fixed weather shield (12) that is provided with in upper end of connecting rod (11), the fixed motor (14) that is provided with in upper end of arc seat (10), the motor shaft (15) of motor (14) are fixed and are provided with connector (16), the front side of connector (16) is fixed and is provided with pivot (17).

2. The novel centrifugal fan adaptable to complex environments of claim 1, wherein: the end cover (3) is arranged in the baffle ring (5) in a sliding mode, and the air inlet hopper (4), the shell (1) and the air outlet hopper (6) are communicated.

3. The novel centrifugal fan adaptable to complex environments of claim 1, wherein: the lower extreme of casing (1) is fixed to be provided with a plurality of roof (7), the lower extreme of roof (7) is fixed to be provided with bottom plate (8).

4. The novel centrifugal fan adaptable to complex environments of claim 1, wherein: oblique ribs (13) are fixedly arranged at the upper end and the lower end of the left side of the rainproof plate (12), and the oblique ribs (13) are fixedly arranged at the rear side of the casing (1).

5. The novel centrifugal fan adaptable to complex environments of claim 1, wherein: the connector (16) rotates through the rear side of the casing (1), and the rotating shaft (17) is fixedly provided with a plurality of blades (18).