CN213064023U

CN213064023U - Centrifugal fan with adjustable air-out direction

Info

Publication number: CN213064023U
Application number: CN202021913909.3U
Authority: CN
Inventors: 严春雷; 李胜
Original assignee: Shanghai Grade Fe Blower Equipment Co ltd
Current assignee: Shanghai Grade Fe Blower Equipment Co ltd
Priority date: 2020-09-04
Filing date: 2020-09-04
Publication date: 2021-04-27
Anticipated expiration: 2030-09-04

Abstract

The utility model belongs to the technical field of centrifugal fans, and particularly discloses a centrifugal fan with an adjustable air outlet direction, which comprises a base, wherein one side of the top of the base is provided with a motor, and the other side of the top of the base is provided with a volute; the output end of the motor is sleeved with a flange, one side of the flange is connected with a speed reducer, the output end of the speed reducer is connected with an impeller, and the impeller is installed in the volute; an air inlet is formed in one side of the volute, an air outlet is formed in the front side of the volute, a filtering assembly is arranged at the air inlet, one end of the air outlet is rotatably connected with a connecting pipe, and bumps are arranged on the outer wall of the connecting pipe in an array manner; the outer wall of the volute is fixedly connected with a mounting rack, the front side of the mounting rack is provided with a motor, the output end of the motor is fixedly connected with a rotating shaft, one end of the rotating shaft is fixedly connected with a gear, and the gear is meshed with the lug; one end of the connecting pipe is provided with a check ring in a sealing way, one side of the check ring is provided with an air outlet pipe, and the air outlet pipe is communicated with the connecting pipe; the utility model discloses can change centrifugal fan's air-out direction and angle, satisfy different user demands.

Description

Centrifugal fan with adjustable air-out direction

Technical Field

The utility model relates to a centrifugal fan technical field specifically is a centrifugal fan with adjustable air-out direction.

Background

The centrifugal fan is a driven fluid machine which increases the pressure of gas and discharges the gas by means of the input mechanical energy, and is widely used for ventilation, dust exhaust and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings, ventilation and draught of boilers and industrial furnaces, cooling and ventilation in air conditioning equipment and household electrical appliances, and the like.

In the prior art, when the centrifugal fan is used, the air outlet direction of the centrifugal fan is determined by the air outlet direction of the volute, and the air outlet direction of the centrifugal fan cannot be changed and the air outlet range is smaller because the volute is fixedly connected with the centrifugal fan body, so that different use requirements cannot be met.

Disclosure of Invention

An object of the utility model is to provide a centrifugal fan with adjustable air-out direction to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a centrifugal fan with an adjustable air outlet direction comprises a base, wherein a motor is fixedly installed on one side of the top of the base through a support, and a volute is fixedly installed on the other side of the top of the base; the output end of the motor is sleeved with a flange, one side of the flange is connected with a speed reducer, the output end of the speed reducer is connected with an impeller, and the impeller is installed in the volute; an air inlet is formed in one side of the volute, an air outlet is formed in the front side of the volute, a filtering assembly is arranged at the air inlet, one end, far away from the volute, of the air outlet is rotatably connected with a connecting pipe, and protruding blocks are arranged on the outer wall of the connecting pipe in an annular array; the outer wall of the volute is fixedly connected with an installation frame, a motor is fixedly installed on the front side of the installation frame, the output end of the motor is fixedly connected with a rotating shaft, one end, away from the motor, of the rotating shaft is fixedly connected with a gear, and the gear is meshed with the bump; the one end that the air outlet was kept away from to the connecting pipe is sealed to be equipped with the retaining ring, and one side off-centre of retaining ring is equipped with out the tuber pipe, and goes out tuber pipe and connecting pipe intercommunication.

Preferably, the filtering component comprises a filtering screen plate, clamping blocks are arranged on the side array of the filtering screen plate, the filtering screen plate is matched with the air inlet, and clamping grooves are formed in the positions, corresponding to the clamping blocks, of the air inlet.

Preferably, the fixture block is embedded and connected with the clamping groove and fixed through a screw.

Preferably, a louver capable of swinging up and down is installed in the air outlet pipe.

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

1. when the utility model is operated to generate wind current, the output end of the motor drives the rotating shaft to rotate by starting the motor, the rotating shaft drives the gear to rotate, and then the connecting pipe can be driven to rotate by the lug, and then the position of the air outlet pipe can be adjusted up and down, left and right, and further the air outlet direction of the centrifugal fan is changed; the louver is shifted up and down, so that the air outlet angle of the centrifugal fan can be changed, the use is flexible and convenient, the air outlet range is large, and different use requirements are met.

2. The utility model can filter the air by arranging the filter screen plate in the air inlet, so as to prevent dust from entering the volute and being difficult to clean; the filter screen plate is convenient to disassemble and assemble through the matching of the clamping blocks and the clamping grooves and the fixation of the screws, and further the filter screen plate is convenient to clean and replace.

Drawings

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

fig. 2 is a left side view structure diagram of the present invention;

fig. 3 is a schematic view of the structure of the present invention viewed from the right.

In the figure: 1. a base; 2. a motor; 3. a volute; 4. a flange; 5. a speed reducer; 6. an impeller; 7. an air inlet; 8. an air outlet; 9. a connecting pipe; 10. a bump; 11. a mounting frame; 12. a motor; 13. a rotating shaft; 14. a gear; 15. a retainer ring; 16. an air outlet pipe; 17. a filter screen plate; 18. a clamping block; 19. a card slot; 20. a screw; 21. a blind window.

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 should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 according to specific situations by those skilled in the art.

Referring to fig. 1-3, the present invention provides a technical solution: a centrifugal fan with an adjustable air outlet direction comprises a base 1, wherein a motor 2 is fixedly installed on one side of the top of the base 1 through a support, and a volute 3 is fixedly installed on the other side of the top of the base 1; the output end of the motor 2 is sleeved with a flange 4, one side of the flange 4 is connected with a speed reducer 5, the output end of the speed reducer 5 is connected with an impeller 6, and the impeller 6 is installed in the volute 3; an air inlet 7 is formed in one side of the volute 3, an air outlet 8 is formed in the front side of the volute 3, a filtering assembly is arranged at the air inlet 7, one end, far away from the volute 3, of the air outlet 8 is rotatably connected with a connecting pipe 9, and bumps 10 are arranged on the outer wall of the connecting pipe 9 in an annular array; the outer wall of the volute 3 is fixedly connected with an installation frame 11, the front side of the installation frame 11 is fixedly provided with a motor 12, the output end of the motor 12 is fixedly connected with a rotating shaft 13, one end, far away from the motor 12, of the rotating shaft 13 is fixedly connected with a gear 14, and the gear 14 is meshed with the lug 10; one end of the connecting pipe 9, which is far away from the air outlet 8, is provided with a check ring 15 in a sealing manner, one side of the check ring 15 is eccentrically provided with an air outlet pipe 16, and the air outlet pipe 16 is communicated with the connecting pipe 9.

Furthermore, the filtering component comprises a filtering screen 17, clamping blocks 18 are arranged on the side of the filtering screen 17 in an array mode, the filtering screen 17 is matched with the air inlet 7, and clamping grooves 19 are formed in the positions, corresponding to the clamping blocks 18, of the air inlet 7.

Furthermore, the latch 18 is engaged with the latch groove 19 and fixed by a screw 20.

Furthermore, a louver 21 capable of swinging up and down is installed in the air outlet pipe 16.

The working principle is as follows: when the centrifugal fan is used, the air outlet direction and the angle can be adjusted as required, the motor 2 drives the impeller 6 to rotate, so that wind power is generated, when the air outlet direction needs to be adjusted, the motor 12 is started, the output end of the motor 12 drives the rotating shaft 13 to rotate, the rotating shaft 13 drives the gear 14 to rotate, the gear 14 drives the lug 10 meshed with the gear to rotate, the lug 10 drives the connecting pipe 9 to rotate, the connecting pipe 9 drives the air outlet pipe 16 eccentrically arranged to rotate through the retaining ring 15, the position of the air outlet pipe 16 can be adjusted up and down, left and right, and the air outlet direction of the centrifugal fan is changed; when the air outlet angle needs to be changed, the air outlet angle of the centrifugal fan can be changed by shifting the louver 21 up and down, the use is flexible and convenient, the air outlet range is large, and different use requirements are met; the utility model can filter the air by arranging the filter screen plate 17 in the air inlet 7, so as to prevent the dust from entering the volute 3 and being difficult to clean; the filter screen plate 17 is convenient to disassemble and assemble through the matching of the clamping blocks 18 and the clamping grooves 19 and the fixation of the screws 20, so that the filter screen plate 17 is convenient to clean and replace.

It is worth noting that: the whole device realizes control over the device through the master control button, and the device matched with the control button is common equipment, belongs to the existing mature technology, and is not repeated for the electrical connection relation and the specific circuit structure.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The centrifugal fan with the adjustable air outlet direction is characterized by comprising a base (1), wherein one side of the top of the base (1) is fixedly provided with a motor (2) through a support, and the other side of the top of the base is fixedly provided with a volute (3); the output end of the motor (2) is sleeved with a flange (4), one side of the flange (4) is connected with a speed reducer (5), the output end of the speed reducer (5) is connected with an impeller (6), and the impeller (6) is installed in the volute (3); an air inlet (7) is formed in one side of the volute (3), an air outlet (8) is formed in the front side of the volute (3), a filtering component is arranged at the air inlet (7), one end, far away from the volute (3), of the air outlet (8) is rotatably connected with a connecting pipe (9), and bumps (10) are arranged on the outer wall of the connecting pipe (9) in an annular array; the outer wall of the volute (3) is fixedly connected with an installation frame (11), a motor (12) is fixedly installed on the front side of the installation frame (11), the output end of the motor (12) is fixedly connected with a rotating shaft (13), one end, far away from the motor (12), of the rotating shaft (13) is fixedly connected with a gear (14), and the gear (14) is meshed with the lug (10); one end of the connecting pipe (9) far away from the air outlet (8) is provided with a check ring (15) in a sealing manner, one side of the check ring (15) is eccentrically provided with an air outlet pipe (16), and the air outlet pipe (16) is communicated with the connecting pipe (9).

2. The centrifugal fan with adjustable air-out direction of claim 1, characterized in that: the filter assembly comprises a filter screen plate (17), clamping blocks (18) are arranged on the side of the filter screen plate (17) in an array mode, the filter screen plate (17) is matched with the air inlet (7), and clamping grooves (19) are formed in the positions, corresponding to the clamping blocks (18), of the air inlet (7).

3. The centrifugal fan with adjustable air-out direction of claim 2, characterized in that: the clamping block (18) is connected with the clamping groove (19) in an embedded mode and fixed through a screw (20).

4. The centrifugal fan with adjustable air-out direction of claim 1, characterized in that: a shutter (21) capable of swinging up and down is installed in the air outlet pipe (16).