CN214036260U - Centrifugal fan capable of adjusting angle of air outlet - Google Patents

Abstract

The utility model discloses a centrifugal fan of adjustable air outlet angle, including casing, impeller, motor installing support, be equipped with air intake, air outlet on the casing, still include casing side flange board, casing air outlet flange board is established in air outlet one side and is seted up the opening with air outlet matched with, casing air outlet flange board sets up and fixed connection with casing side flange board is perpendicular, casing air outlet flange board, casing side flange board respectively with casing fixed connection, the utility model has the advantages of simple structure, low in manufacturing cost, rationally distributed, small, simple to operate.

Description

Centrifugal fan capable of adjusting angle of air outlet

Technical Field

The utility model relates to a centrifugal fan technical field, specific but centrifugal fan of air outlet angle that says so.

Background

The general angle of the turning of centrifugal fan air outlet has 0 degree, 45 degrees, 90 degrees, 135 degrees, 180 degrees, 225 degrees, 270 degrees, because the position of air pipe is different, the direction of fan air outlet need keep with the trend unanimity of air pipe, need design the fan of different mounting means according to the trend of air pipe, the different frame that needs the preparation of angle difference of air outlet leads to the product model to increase, the commonality of fan is not strong, the manufacturing cost of fan increases.

In order to adapt to the actual application environment of the fan in the prior art, by search, CN2018206235752 discloses a centrifugal fan capable of adjusting the angle of an air outlet, which comprises a casing, a motor, an impeller, a driving wheel for driving the fan to rotate, a driven wheel and a driving device, wherein the casing is provided with an air inlet and an air outlet, and the driving wheel and the driven wheel are driven by the driving device to rotate so as to drive the casing to rotate, so as to adjust the angle of the air outlet.

The structure has the following defects: firstly, the driving wheel and the driven wheel are driven to rotate by the driving mechanism, so that the structure is complex, and the manufacturing cost of the fan is high; and secondly, the driving device, the driving wheel and the driven wheel are arranged, so that the occupied space is large, the device cannot adapt to the installation environment with narrow space, and the adaptability to the space is poor.

Through retrieval, CN2017219074398 discloses a four-angle centrifugal fan, which comprises a four-angle universal frame, a motor and an impeller, wherein the four-angle universal frame adopts a cube with two large surfaces and four small surfaces so as to be suitable for installation of four angles of an air outlet of the centrifugal fan.

The structure has the following defects: although the structure of the four-angle universal frame is relatively simple, the whole space of the universal frame occupies a large area, and the four-angle universal frame cannot adapt to the installation environment with a narrow space in actual use, so that the applicability of the fan is poor.

Disclosure of Invention

The utility model aims at solving the deficiencies of the prior art, providing a but, simple structure, low in manufacturing cost, rationally distributed, small, simple to operate's air outlet angle's centrifugal fan.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a centrifugal fan of adjustable air outlet angle, includes casing, impeller, motor installing support, be equipped with air intake, air outlet on the casing, its characterized in that: still include casing side flange board, casing air outlet flange board is established in air outlet one side and is offered the opening with air outlet matched with, casing air outlet flange board sets up and fixed connection with casing side flange board is perpendicular, casing air outlet flange board, casing side flange board respectively with casing fixed connection, through setting up casing side flange board, casing air outlet flange board in order to support the casing, can satisfy the installation requirement of the air outlet of 270 degrees on the right side and 180 degrees on the right side, simple structure, commonality are good.

The casing includes casing preceding curb plate, casing posterior lateral plate, spiral case board, the spiral case board is established between curb plate and casing posterior lateral plate before the casing, curb plate fixed connection before the front end of spiral case board and the casing, rear end and casing posterior lateral plate fixed connection, be equipped with the air intake on the curb plate before the casing, the exit end of spiral case board is equipped with the air outlet, the motor is established outside the casing posterior lateral plate and through motor installing support and casing fixed connection, the output shaft of motor passes the casing posterior lateral plate and stretches into in the casing and be connected with the impeller, the front end of casing air outlet flange board and casing anterior lateral plate fixed connection, rear end and casing posterior lateral plate fixed connection, the front end of casing side flange board and casing anterior lateral plate fixed connection, rear end and casing posterior lateral plate fixed connection, casing side flange board, casing air outlet flange board and casing anterior lateral plate fixed connection, The rear side plate of the casing is fixedly connected, and the overall stability of the centrifugal fan is good.

The front side plate of the casing is provided with a front upper end surface, a front lower end surface, a front left end surface and a front right end surface, wherein the front right end surface is arranged in parallel with the front left end surface, the front upper end surface is arranged in parallel with the front lower end surface, the lower end of the front left end surface and the lower end of the front right end surface are respectively and vertically connected with the front lower end surface, the joint of the upper end of the front left end surface and the left end of the front upper end surface is in an arc shape matched with the spiral casing plate, the right end of the front upper end surface is vertically connected with the upper end of the front right end surface, the front lower end surface is fixedly connected with the flange plate at the air outlet of the casing, and the front right end surface is fixedly connected with the flange plate at the casing side; the rear side plate of the casing is provided with a rear upper end surface, a rear lower end surface, a rear left end surface and a rear right end surface, the rear right end surface and the rear left end surface are arranged in parallel, the rear upper end surface and the rear lower end surface are arranged in parallel, the lower end of the rear left end surface and the lower end of the rear right end surface are respectively and vertically connected with the rear lower end surface, the joint of the upper end of the rear left end surface and the left end of the rear upper end surface is in an arc shape matched with the volute plate, the right end of the rear upper end surface is vertically connected with the upper end of the rear right end surface, the rear lower end surface is fixedly connected with a flange plate of an air outlet of the machine shell, the rear right end surface is fixedly connected with a side flange plate of the shell, the shape of a front side plate of the shell and the shape of a rear side plate of the shell are arranged, make the casing better with the cooperation of casing air outlet flange board, casing side flange board, overall structure stability is good, also makes the whole small of casing, and the space occupies for a short time, can adapt to narrower installation environment.

The utility model discloses still include the motor mounting panel, the motor mounting panel is fixed on the motor installing support, motor mounting panel one end is 45 degrees angle slopes with casing side flange board, and the other end is 45 degrees angle slopes with casing air outlet flange board, motor mounting panel and motor fixed connection are the motor mounting panel of 45 degrees slopes through setting up to realize with the motor base phase-match, fixed effectual.

The utility model has the advantages that: the installation requirements of the air outlets at the right 270 degrees and the right 180 degrees can be met by arranging the shell side flange plate and the shell air outlet flange plate, and the structure is simple and the universality is good; the setting of casing preceding curb plate, casing posterior lateral plate shape for the casing is better with the cooperation of casing air outlet flange board, casing side flange board, and overall structure is more stable, also makes the whole small of casing, and the space occupies for a short time, can adapt to narrower installation environment.

Drawings

Fig. 1 is a schematic view of the overall structure of a right 270-degree centrifugal fan of the present invention.

Fig. 2 is another schematic view of the overall structure of the right 270-degree centrifugal fan of the present invention.

Fig. 3 is the overall structure schematic diagram of the right 180-degree centrifugal fan of the present invention.

Reference numerals: the air conditioner comprises a machine shell-1, a machine shell front side plate-101, a front upper end surface-1011, a front lower end surface-1012, a front left end surface-1013, a front right end surface-1014, a machine shell rear side plate-102, a rear upper end surface-1021, a rear lower end surface-1022, a rear left end surface-1023, a rear right end surface-1024, a volute casing plate-103, an impeller-2, a motor-3, a machine shell side flange plate-4, a machine shell air outlet flange plate-5, an opening-501, an air inlet-6, a motor mounting bracket-7, a motor mounting plate-8 and a machine shell reinforcing rib-9.

Detailed Description

The present invention will be described with reference to the accompanying drawings and examples.

As shown in the accompanying drawings, a centrifugal fan of adjustable air outlet angle, including casing 1, impeller 2, motor 3, motor installing support 7, be equipped with air intake 6, air outlet on the casing, still include casing side flange board 4, casing air outlet flange board 5 establishes in air outlet one side and offers opening 501 with air outlet matched with, casing air outlet flange board 5 sets up and fixed connection with casing side flange board 4 is perpendicular, casing air outlet flange board 5, casing side flange board 4 respectively with casing 1 fixed connection, through setting up casing side flange board 4, casing air outlet flange board 5 in order to support casing 1, can satisfy the installation requirement of the air outlet of 270 degrees on the right side and 180 degrees on the right side, simple structure, commonality are good.

The casing 1 comprises a casing front side plate 101, a casing rear side plate 102 and a volute plate 103, the volute plate 103 is arranged between the casing front side plate 101 and the casing rear side plate 102, the front end of the volute plate 103 is fixedly connected with the casing front side plate 101, the rear end is fixedly connected with the casing rear side plate 102, the casing front side plate 101 is provided with an air inlet 6, the outlet end of the volute plate 103 is provided with an air outlet, the motor 3 is arranged outside the casing rear side plate 102 and is fixedly connected with the casing 1 through a motor mounting bracket 7, the output shaft of the motor 3 penetrates through the casing rear side plate 102 and extends into the casing to be connected with the impeller 2, the front end of the casing air outlet flange plate 5 is fixedly connected with the casing front side plate 101, the rear end is fixedly connected with the casing rear side plate 102, the front end of the casing side flange plate 4 is fixedly connected with the casing front side plate 101, and the rear end is fixedly connected with the casing rear side plate 102, the shell side flange plate 4 and the shell air outlet flange plate 5 are fixedly connected with the shell front side plate 101 and the shell rear side plate 102, and the centrifugal fan is good in overall stability.

The front side plate 101 of the casing is provided with a front upper end surface 1011, a front lower end surface 1012, a front left end surface 1013 and a front right end surface 1014, the front right end surface 1014 is arranged in parallel with the front left end surface 1013, the front upper end surface 1011 is arranged in parallel with the front lower end surface 1012, the lower ends of the front left end surface 1013 and the front right end surface 1014 are respectively connected with the front lower end surface 1012 vertically, the connection part of the upper end of the front left end surface 1013 and the left end of the front upper end surface 1011 is in an arc shape matched with the volute plate 103, the right end of the front upper end surface 1011 is connected with the upper end of the front right end surface 1014 vertically, the front lower end surface 1012 is fixedly connected with the casing outlet flange plate 5, and the front right end surface 1014 is fixedly connected with the casing side flange plate 4; the rear side plate 102 of the housing is provided with a rear upper end surface 1021, a rear lower end surface 1022, a rear left end surface 1023 and a rear right end surface 1024, the rear right end surface 1024 is arranged in parallel with the rear left end surface 1023, the rear upper end surface 1021 is arranged in parallel with the rear lower end surface 1022, the lower ends of the rear left end surface 1023 and the rear right end surface 1024 are respectively and vertically connected with the rear lower end surface 1022, the joint of the upper end of the rear left end surface 1023 and the left end of the rear upper end surface 1021 is in an arc shape matched with the volute plate 103, the right end of the rear upper end surface 1021 is vertically connected with the upper end of the rear right end surface 1024, the rear lower end surface 1022 is fixedly connected with the housing air outlet flange plate 5, the rear right end surface 1024 is fixedly connected with the housing side flange plate 4, and the shape of the front side plate and the rear side plate of the housing is arranged, so that the housing is well matched with the housing air outlet flange plate and the housing side flange plate, the overall structural stability is good, and the overall volume of the housing is small, the space occupation is little, can adapt to narrower installation environment.

This embodiment still includes motor mounting panel 8, motor mounting panel 8 is fixed on motor installing support 7, motor mounting panel one end is 45 degrees angle slopes with casing side flange board 4, and the other end is 45 degrees angle slopes with casing air outlet flange board 5, motor mounting panel 8 and motor 3 fixed connection are the motor mounting panel of 45 degrees slopes through setting up to realize with the motor base phase-match, fixed effectual.

In this embodiment, the front side plate and the rear side plate of the casing are both provided with casing reinforcing ribs 9 to increase the strength and rigidity of the casing.

In this embodiment, the connection mode of the casing side flange plate 4 and the casing air outlet flange plate 5 with the casing may be a bolt connection, or may be a welding mode, and in this embodiment, the casing side flange plate, the casing air outlet flange plate and the casing are fixed by bolts.

In this embodiment, the motor mounting bracket 7 is fixedly connected with the casing side flange plate 4 and the casing air outlet flange plate 5, so as to increase the stability of the motor mounting bracket.

The utility model discloses when using, according to the requirement of centrifugal fan installation place and casing air outlet angle, mounting plate shell side flange board 4 and casing air outlet flange board 5, behind casing side flange board 4 and the 5 fixed connection of casing air outlet flange board, curb plate 101 bolt fastening before the front end of casing side flange board 4 and the casing, rear end and casing posterior lateral plate 102 bolt fastening, curb plate 101 bolt fastening before the front end of casing air outlet flange board 5 and the casing, rear end and casing posterior lateral plate 102 bolt fastening, opening 501 on the casing air outlet flange board 5 and the position phase-match of air outlet, according to the requirement of installation site air outlet angle, make the fan lay according to 270 degrees on the right side or the right 180 degrees, rethread casing side flange board 4, casing air outlet flange board 5 is connected with equipment, a mounting means can satisfy two kinds of angle installation demands.

Claims (4)

1. The utility model provides a centrifugal fan of adjustable air outlet angle, includes casing, impeller, motor installing support, be equipped with air intake, air outlet on the casing, its characterized in that: the air conditioner further comprises a machine shell side flange plate and a machine shell air outlet flange plate, wherein the machine shell air outlet flange plate is arranged on one side of the air outlet and provided with an opening matched with the air outlet, the machine shell air outlet flange plate is perpendicular to the machine shell side flange plate and is fixedly connected with the machine shell, and the machine shell air outlet flange plate and the machine shell side flange plate are fixedly connected with the machine shell respectively.

2. The centrifugal fan capable of adjusting the angle of the air outlet according to claim 1, wherein: the spiral case plate is arranged between the front side plate of the casing and the rear side plate of the casing, the front end of the spiral case plate is fixedly connected with the front side plate of the casing, the rear end of the spiral case plate is fixedly connected with the rear side plate of the casing, an air inlet is formed in the front side plate of the casing, an air outlet is formed in the outlet end of the spiral case plate, the motor is arranged outside the rear side plate of the casing and is fixedly connected with the casing through a motor mounting bracket, an output shaft of the motor penetrates through the rear side plate of the casing and extends into the casing to be connected with the impeller, the front end of a flange plate of the air outlet of the casing is fixedly connected with the front side plate of the casing, the rear end of the flange plate of the air outlet of the casing is fixedly connected with the rear side plate of the casing, the front end of the flange plate of the casing is fixedly connected with the front side plate of the casing, and the rear end of the flange plate of the casing is fixedly connected with the rear side plate of the casing.

3. The centrifugal fan capable of adjusting the angle of the air outlet according to claim 2, wherein: the front side plate of the shell is provided with a front upper end surface, a front lower end surface, a front left end surface and a front right end surface, the front right end surface and the front left end surface are arranged in parallel, the front upper end surface and the front lower end surface are arranged in parallel, the lower end of the front left end surface and the lower end of the front right end surface are respectively and vertically connected with the front lower end surface, the joint of the upper end of the front left end surface and the left end of the front upper end surface is in an arc shape matched with the volute plate, the right end of the front upper end surface is vertically connected with the upper end of the front right end surface, the front lower end surface is fixedly connected with the air outlet flange plate of the shell, and the front right end surface is fixedly connected with the side flange plate of the shell; the rear side plate of the casing is provided with a rear upper end face, a rear lower end face, a rear left end face and a rear right end face, the rear right end face is arranged in parallel with the rear left end face, the rear upper end face is arranged in parallel with the rear lower end face, the lower end of the rear left end face and the lower end of the rear right end face are respectively connected with the rear lower end face in a perpendicular mode, the upper end of the rear left end face and the left end of the rear upper end face are in an arc shape matched with the spiral casing plate, the right end of the rear upper end face is connected with the upper end of the rear right end face in a perpendicular mode, the rear lower end face is fixedly connected with the flange plate at the air outlet of the casing, and the rear right end face is fixedly connected with the flange plate at the side of the casing.

4. The centrifugal fan capable of adjusting the angle of the air outlet according to claim 2 or 3, wherein: still include the motor mounting panel, the motor mounting panel is fixed on the motor installing support, motor mounting panel one end is 45 degrees angle slopes with casing side flange board, and the other end is 45 degrees angle slopes with casing air outlet flange board, motor mounting panel and motor fixed connection.

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