CN218760495U

CN218760495U - Novel energy-saving centrifugal fan

Info

Publication number: CN218760495U
Application number: CN202223235748.9U
Authority: CN
Inventors: 万亚芳; 占光明; 陈凌
Original assignee: Huangshi Youxin Machinery Manufacturing Co ltd
Current assignee: Huangshi Youxin Machinery Manufacturing Co ltd
Priority date: 2022-12-01
Filing date: 2022-12-01
Publication date: 2023-03-28
Anticipated expiration: 2032-12-01

Abstract

The utility model discloses a novel energy-saving centrifugal fan, which relates to the technical field of centrifugal fans and comprises a bottom plate and a blast component; a bottom plate: a blast box is fixed at the right end of the upper side, a connecting hole is formed in the left end of the upper side of the bottom plate, a power assembly is installed inside the connecting hole, and a wind speed adjusting assembly is installed at the front end of the power assembly; a blower assembly: contain pivot, flabellum, belt pulley and belt, the opening has been opened to the front side of bellows, open-ended inside is rotated and is connected with the pivot, be fixed with evenly distributed's flabellum on the periphery of pivot, all flabellums all are located the inside of bellows, the front end of pivot is fixed with the belt pulley, the belt has been cup jointed on the surface of belt pulley, blast air through setting up the air-blast subassembly, power component contains mounting panel, first motor and carousel, can be when the belt is not hard up with it straight, extension belt life, more energy saving.

Description

Novel energy-saving centrifugal fan

Technical Field

The utility model relates to a centrifugal fan technical field specifically is a novel energy-saving centrifugal fan.

Background

The centrifugal fan is a driven fluid machine which increases the gas pressure and discharges gas by means of input mechanical energy, and is widely applied to ventilation, dust exhaust and cooling of factories, mine wells, tunnels, cooling towers, vehicles, ships and buildings; ventilation and draught of boilers and industrial furnaces; cooling and ventilation in air conditioning equipment and household appliances; drying and selecting grains; in the process of practical use of the centrifugal fan, mostly a belt pulley is used for driving a main shaft to rotate for blowing, but the diameter of the existing belt pulley cannot be adjusted, so that the rotating speed of the fan is constant and is not beneficial to energy conservation.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a novel energy-saving centrifugal fan, can have more the rotational speed that needs the regulation fan, more energy saving can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a novel energy-saving centrifugal fan comprises a bottom plate and a blowing component;

a bottom plate: a blast box is fixed at the right end of the upper side, a connecting hole is formed in the left end of the upper side of the bottom plate, a power assembly is installed inside the connecting hole, and a wind speed adjusting assembly is installed at the front end of the power assembly;

a blower assembly: contain pivot, flabellum, belt pulley and belt, the opening has been opened to the front side of bellows, open-ended inside rotation is connected with the pivot, be fixed with evenly distributed's flabellum on the periphery of pivot, all flabellums all are located the inside of bellows, the front end of pivot is fixed with the belt pulley, the belt has been cup jointed on the surface of belt pulley, carries out the air-blast through setting up the air-blast subassembly.

Furthermore, power component contains mounting panel, first motor and carousel, the mounting panel is located the inside of the connecting hole that the bottom plate upside left end was seted up, first motor is installed to the upside of mounting panel, be fixed with the carousel on the output shaft of first motor, the output of external control switch group is connected to the input electricity of first motor, drives the belt pulley through setting up power component and rotates.

Further, the wind speed adjusting part contains change, rack, link, guiding axle and gear, the front end of carousel rotates and is connected with the change, evenly distributed's opening has been seted up on the periphery of change, open-ended inside sliding connection has the rack, be fixed with the link on the side of rack, the inside fixedly connected with guiding axle of link, the front end of carousel rotates and is connected with evenly distributed's gear, the gear meshes with the rack mutually, the left end cup joints on the surface of left guiding axle, adjusts the wind speed through setting up wind speed adjusting part.

Further, still include rack adjusting part, rack adjusting part contains interior ring gear, change, fixed orifices and bolt, the front end of carousel rotates and is connected with interior ring gear, interior ring gear meshes with all gears mutually, evenly distributed's fixed orifices is seted up to the front end of change, the rear end of carousel sets up threaded hole, the inside threaded connection of screw hole has the bolt, the front end of bolt is located the inside of the fixed orifices of upside, adjusts the position of rack through setting up rack adjusting part.

Further, still including removing the subassembly, it contains second motor, threaded rod and gag lever post to remove the subassembly, the second motor is installed in the left side of bottom plate, and the screw hole has been seted up to the preceding side portion of institute mounting panel, the internal thread of screw hole is connected with the threaded rod, the threaded rod rotates to be connected in the open-ended that the bottom plate upside left end was seted up inside, the left end at the threaded rod is fixed to the output shaft of second motor, the slide opening has been seted up to the back side portion of mounting panel, the inside sliding connection of slide opening has the gag lever post, the open-ended rear end that the left end was seted up at the bottom plate upside is fixed to the gag lever post, the output of external control switch group is connected to the input electricity of second motor, adjusts the position of mounting panel through setting up the removal subassembly.

Furthermore, an air outlet is formed in the right side of the air blowing box, and an air outlet frame is fixed inside the air outlet.

Compared with the prior art, the beneficial effects of the utility model are that: this novel energy-saving centrifugal fan has following benefit:

1. the power assembly is arranged, so that when air needs to be blown, the first motor can be started to enable the rotary table to rotate, the rotary table rotates to drive the belt to rotate, the belt rotates to drive the belt pulley to rotate, the belt pulley rotates to drive the rotary shaft to rotate, and the rotary shaft rotates to drive all the fan blades to rotate, so that air can be blown very conveniently;

2. make the in-process user that uses can lift the bolt as required off through setting up adjusting part, then stir the change ring and make interior ring gear rotate, interior ring gear rotates and drives all gear revolve, and gear revolve drives all rack and removes, and the rack removes and adjusts rather than the guiding axle that links to each other, constitutes a belt pulley by a plurality of guiding axles, and its diameter can be adjusted to can adjust the rotational speed of fan, convenient energy-conservation.

Drawings

FIG. 1 is a schematic view of the front side structure of the present invention;

FIG. 2 is a schematic view of the blower assembly of the present invention;

fig. 3 is a schematic structural view of the rotation speed adjusting assembly of the present invention.

In the figure: the air blowing device comprises a base plate 1, an air blowing box 2, an air blowing component 3, a rotating shaft 31, fan blades 32, a belt pulley 33, a belt 34, a power component 4, a mounting plate 41, a first motor 42, a rotating disc 43, an air speed adjusting component 5, a rotating ring 51, a rack 52, a connecting frame 53, a guide shaft 54, a gear 55, a rack adjusting component 6, an internal toothed ring 61, a rotating ring 62, a fixing hole 63, a bolt 64, a moving component 7, a second motor 71, a threaded rod 72, a limiting rod 73 and an air outlet frame 8.

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.

Referring to fig. 1-3, the present embodiment provides a technical solution: a novel energy-saving centrifugal fan comprises a bottom plate 1 and a blowing component 3;

bottom plate 1: the right end of the upper side is fixed with a blast box 2, the left end of the upper side of a bottom plate 1 is provided with a connecting hole, a power assembly 4 is arranged inside the connecting hole, the front end of the power assembly 4 is provided with a wind speed adjusting assembly 5, the power assembly 4 comprises a mounting plate 41, a first motor 42 and a turntable 43, the mounting plate 41 is positioned inside the connecting hole arranged at the left end of the upper side of the bottom plate 1, the upper side of the mounting plate 41 is provided with the first motor 42, the output shaft of the first motor 42 is fixed with the turntable 43, the input end of the first motor 42 is electrically connected with the output end of an external control switch group, the wind speed adjusting assembly 5 comprises a swivel 51, a rack 52, a connecting frame 53, a guide shaft 54 and a gear 55, the front end of the turntable 43 is rotatably connected with the swivel 51, the circumferential surface of the swivel 51 is provided with uniformly distributed openings, the inside of the openings is slidably connected with the rack 52, the connecting frame 53 is fixed on the side surface of the rack 52, the inside fixedly connected with guide shaft 54 of link 53, the front end of carousel 43 rotates and is connected with evenly distributed gear 55, gear 55 meshes with rack 52, the left end of belt 34 cup joints the surface at left guide shaft 54, still include rack adjusting part 6, rack adjusting part 6 contains interior ring gear 61, swivel 62, fixed orifices 63 and bolt 64, the front end of carousel 43 rotates and is connected with interior ring gear 61, interior ring gear 61 meshes with all gear 55, the front end of swivel 62 offers evenly distributed fixed orifices 63, the rear end of carousel 43 offers the screw hole, the internal thread of screw hole connects with bolt 64, the front end of bolt 64 is located the inside of the fixed orifices 63 of upside, still include removal subassembly 7, removal subassembly 7 contains second motor 71, threaded rod 72 and gag lever post 73, the left side of bottom plate 1 is installed second motor 71, the front side portion of mounting panel 41 offers the screw hole, the threaded rod 72 is connected to the inner thread of the threaded hole in a threaded manner, the threaded rod 72 is rotatably connected to the inner portion of an opening formed in the left end of the upper side of the bottom plate 1, the output shaft of the second motor 71 is fixed to the left end of the threaded rod 72, a sliding hole is formed in the rear side edge portion of the mounting plate 41, the limiting rod 73 is slidably connected to the inner portion of the sliding hole, the limiting rod 73 is fixed to the rear end of the opening formed in the left end of the upper side of the bottom plate 1, the input end of the second motor 71 is electrically connected with the output end of an external control switch group, the position of the mounting plate 41 is adjusted by arranging the moving assembly 7, the position of the rack 52 is adjusted by arranging the rack adjusting assembly 6, the wind speed is adjusted by arranging the wind speed adjusting assembly 5, and the power assembly 4 is arranged to drive the belt pulley 33 to rotate;

the blower assembly 3: contain pivot 31, flabellum 32, belt pulley 33 and belt 34, the front side of bellows 2 is opened and is equipped with the opening, and open-ended internal rotation is connected with pivot 31, is fixed with evenly distributed's flabellum 32 on the periphery of pivot 31, and all flabellums 32 all are located the inside of bellows 2, and the front end of pivot 31 is fixed with belt pulley 33, and belt 34 has been cup jointed on the surface of belt pulley 34, blows air through setting up air-blowing subassembly 3.

Wherein: an air outlet is arranged on the right side of the blast box 2, and an air outlet frame 8 is fixed inside the air outlet.

The utility model provides a pair of novel energy-saving centrifugal fan's theory of operation as follows: when air needs to be blown, the first motor 42 can be started to enable the rotary disc 43 to rotate, the rotary disc 43 rotates to drive the belt 34 to rotate, the belt 34 rotates to drive the belt pulley 33 to rotate, the belt pulley 33 rotates to drive the rotary shaft 31 to rotate, the rotary shaft 31 rotates to drive all fan blades to rotate, air can be blown conveniently, when the air speed of the blown air needs to be adjusted, a user can dismount the bolt 64 according to needs, then the rotary ring 51 is shifted to enable the inner toothed ring 61 to rotate, the inner toothed ring 61 rotates to drive all the gears 55 to rotate, the gears 55 rotate to drive all the racks 52 to move, the racks 52 move to adjust the guide shafts 54 connected with the racks 52, after adjustment, the distances among all the guide shafts 54 change, when the distances among the guide shafts reach a proper position, the second motor 71 is started, after the second motor 71 is started, the threaded rod 72 rotates to drive the mounting plate 41 to move leftwards, the mounting plate 41 moves leftwards to drive the first motor 41 to move leftwards, the first motor 41 moves leftwards to drive all the guide shafts 54 to move leftwards, after all the guide shafts 54 move, the threaded rod moves, the straight threaded rod can be started again, and the condition that the straight threaded rod of the belt 34 stretches over the life of the belt can be prolonged.

It should be noted that the external control switch set disclosed in the above embodiments is provided with buttons corresponding to the first motor 42 and the second motor 71 one by one, and the first motor 41 and the second motor 71 may be 1LE0003 three-phase asynchronous motors.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. The utility model provides a novel energy-saving centrifugal fan which characterized in that: comprises a bottom plate (1) and a blower assembly (3);

base plate (1): a blast box (2) is fixed at the right end of the upper side, a connecting hole is formed in the left end of the upper side of the bottom plate (1), a power assembly (4) is installed inside the connecting hole, and a wind speed adjusting assembly (5) is installed at the front end of the power assembly (4);

blower assembly (3): contain pivot (31), flabellum (32), belt pulley (33) and belt (34), the front side of bellows (2) is opened and is equipped with the opening, open-ended internal rotation is connected with pivot (31), be fixed with evenly distributed's flabellum (32) on the periphery of pivot (31), all flabellum (32) all are located the inside of bellows (2), the front end of pivot (31) is fixed with belt pulley (33), belt (34) have been cup jointed on the surface of belt pulley (33).

2. The novel energy-saving centrifugal fan according to claim 1, characterized in that: power component (4) contain mounting panel (41), first motor (42) and carousel (43), mounting panel (41) are located the inside of the connecting hole that bottom plate (1) upside left end was seted up, first motor (42) are installed to the upside of mounting panel (41), be fixed with carousel (43) on the output shaft of first motor (42), the output of external control switch group is connected to the input electricity of first motor (42).

3. The novel energy-saving centrifugal fan according to claim 2, characterized in that: wind speed adjusting part (5) contain swivel (51), rack (52), link (53), guiding axle (54) and gear (55), the front end of carousel (43) is rotated and is connected with swivel (51), evenly distributed's opening has been seted up on the periphery of swivel (51), open-ended inside sliding connection has rack (52), be fixed with link (53) on the side of rack (52), the inside fixedly connected with guiding axle (54) of link (53), the front end of carousel (43) is rotated and is connected with evenly distributed's gear (55), gear (55) mesh with rack (52), the left end cup joint of belt (34) is on the surface of left guiding axle (54).

4. The novel energy-saving centrifugal fan according to claim 3, characterized in that: still include rack adjusting part (6), rack adjusting part (6) contain interior ring gear (61), change (62), fixed orifices (63) and bolt (64), the front end of carousel (43) is rotated and is connected with interior ring gear (61), interior ring gear (61) meshes with all gear (55) mutually, evenly distributed's fixed orifices (63) are seted up to the front end of change (62), the screw hole has been seted up to the rear end of carousel (43), the internal thread of screw hole is connected with bolt (64), the front end of bolt (64) is located the inside of fixed orifices (63) of upside.

5. The novel energy-saving centrifugal fan according to claim 2, characterized in that: still including removing subassembly (7), remove subassembly (7) and contain second motor (71), threaded rod (72) and gag lever post (73), second motor (71) are installed in the left side of bottom plate (1), and the screw hole has been seted up to the preceding side edge portion of institute mounting panel (41), the internal thread of screw hole is connected with threaded rod (72), threaded rod (72) rotate to be connected in the open-ended inside that bottom plate (1) upside left end was seted up, the left end at threaded rod (72) is fixed to the output shaft of second motor (71), the slide opening has been seted up to the back side edge portion of mounting panel (41), the inside sliding connection of slide opening has gag lever post (73), the opening rear end that bottom plate (1) upside left end was seted up is fixed in gag lever post (73), the output of external control switch group is connected to the input electricity of second motor (71).

6. The novel energy-saving centrifugal fan according to claim 1, characterized in that: an air outlet is formed in the right side of the air blowing box (2), and an air outlet frame (8) is fixed inside the air outlet.