CN215444523U

CN215444523U - Lightweight low-resistance centrifugal fan impeller

Info

Publication number: CN215444523U
Application number: CN202122204611.6U
Authority: CN
Inventors: 梁柏超
Original assignee: Foshan Zhujiang Fan Co ltd
Current assignee: Foshan Zhujiang Fan Co ltd
Priority date: 2021-09-13
Filing date: 2021-09-13
Publication date: 2022-01-07
Anticipated expiration: 2031-09-13

Abstract

The utility model relates to a lightweight centrifugal fan impeller with less resistance in the technical field of centrifugal fans, which comprises a bottom plate and a ring plate, wherein a fixed shaft is movably arranged in the bottom plate, the bottom of the fixed shaft is fixedly hinged with a bottom ring, a limiting bolt is hinged in the bottom ring, the top of the bottom ring is fixedly provided with a limiting block, the bottom of the bottom plate is fixedly provided with a ring groove, the outer side of the fixed shaft is fixedly provided with blades, the top of the fixed shaft is hinged with a top ring, the inner part of the top ring is hinged with a mounting bolt, the inner side of the ring plate is hinged with a reinforcing bolt, and a mounting pipe is fixedly sleeved in the bottom plate. Through the arc outer ring that sets up, the effect of arc outer ring is that the integrated device can reduce self spacing to the air flow when as the impeller transmission, and the air resistance of further reduction for wind-force conversion has more the efficiencyyly.

Description

Lightweight low-resistance centrifugal fan impeller

Technical Field

The utility model relates to the technical field of centrifugal fans, in particular to a lightweight low-resistance centrifugal fan impeller.

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 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 appliances; drying and selecting grains; the impeller refers to a wheel disc provided with movable blades, is a component of an impulse turbine rotor, and can also refer to a general name of the wheel disc and the rotating blades arranged on the wheel disc, and the impeller can be classified according to the shape and the opening and closing conditions.

The centrifugal fan is widely applied and is suitable for more scenes, wherein the most core centrifugal fan is an impeller, and most of the existing centrifugal fan impellers do not have the direction and the angle for adjusting blades, so that the direction and the angle of the impeller are fixed and inconvenient to use when the centrifugal fan is used, and most of the impellers are heavy, so that more kinetic energy is lost, the wind power conversion efficiency is poor, and therefore the lightweight centrifugal fan impeller with less resistance is provided.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems, the utility model provides a lightweight centrifugal fan impeller with less resistance, which has the advantages of adjustable blade direction and angle and portability.

The technical scheme of the utility model is as follows:

the utility model provides a lightweight few resistance centrifugal fan impeller, includes bottom plate and crown plate, the inside movable mounting of bottom plate has the fixed axle, the bottom fixed hinge of fixed axle has the end ring, the inside of end ring articulates there is spacing bolt, the top fixed mounting of end ring has the stopper, the bottom fixed mounting of bottom plate has the annular of seting up, the outside fixed mounting of fixed axle has the blade, the top of fixed axle articulates there is the apical ring, the inside of apical ring articulates there is mounting bolt, the inboard of crown plate articulates there is reinforcing bolt, the inside fixed mounting of bottom plate has the installation pipe, the inside of installation pipe has the keyhole, the top fixed mounting of installation pipe has the plectane, the outside fixed mounting of plectane bottom has six L boards, six the inside of L board all articulates there is fixing bolt, the top of plectane is seted up flutedly, the inside of recess articulates there is positioning bolt, the top fixed mounting of bottom plate has the reinforcement ring.

The working principle of the technical scheme is as follows:

during operation, an operator sleeves the installation pipe on the outer side of the motor rotating shaft and then rotatably hinges the positioning bolt into the motor rotating shaft, then the bolt is hinged in the bolt hole to further limit the position of the motor rotating shaft, and the facing direction of the blade is adjusted according to the use requirement by rotating the fixed shaft, for example, the air outlet direction of the blade is changed by adapting to the forward rotation or the reverse rotation of the motor rotating shaft, when the fixed shaft rotates, the limiting block at the top of the bottom ring at the bottom end can limit the position in the annular groove, so that the maximum rotation adjusting angle of the blades is the maximum, after the required air outlet direction is adjusted, the rotation of the integral device is finally adjusted along with the rotation of the motor so as to realize the rotation of the blades to exhaust air, this scheme can also increase its air-out efficiency when can make the device lightweight to it is good to have increased the function result of use of adjustable air-out direction.

In a further technical scheme, the number of the limiting bolts and the number of the mounting bolts are at least four, and the limiting bolts and the mounting bolts are respectively hinged to penetrate through the bottom ring and the top ring and extend to the inner parts of the bottom plate and the ring plate.

Spacing bolt and mounting bolt's quantity has decided the spacing angle to the fixed axle, like the reversal air-out direction of levogyration and dextrorotation, and the articulated angle and the hole that get into the fixed axle of cooperation reinforcing bolt make the efficiency that the air-out can be adjusted to the blade, can adjust according to the demand of reality, has increased the efficiency of use.

In a further technical scheme, the number of the fixed shafts is at least twelve groups.

The quantity of fixed axle and affiliated structure has decided the air-out efficiency of totality, and the comparatively lightweight of blade realizes the air-out of big wind rate then increases the setting and the intensive degree of blade, is convenient for adjust the product parameter according to the production demand of difference.

In a further technical scheme, the position of the limiting block corresponds to the position of the ring groove, and the number of the limiting block is consistent with that of the ring groove.

The limiting blocks and the ring grooves are uniformly distributed in an annular mode, so that the adjustment of the fixed shaft is in the adjusting direction of outward reversal degree, the direction of the fixed shaft is convenient to limit, and the adjustment realizability is increased.

In a further technical scheme, the shape of the blade is streamline, the interior of the blade is hollow, and reinforcing ribs are fixedly mounted in the interior of the blade.

The streamlined design of blade makes when the air-out alleviate the frictional force between the air flow, reduces the resistance for motor pivoted kinetic energy transmission more greatly converts into air-out efficiency.

In a further technical scheme, the outer sides of the bottom plate and the ring plate are fixedly provided with arc-shaped outer rings.

The effect of arc outer loop is that the integrated device can reduce self spacing to the air flow when being as the impeller transmission, the air resistance of further reduction for wind-force conversion has more the efficiencyyly.

In a further technical scheme, the reinforcing bolt is hinged to penetrate through the ring plate and extends to the inner part of the fixing shaft, and the fixing bolt is hinged to the inner part of the bottom plate.

The reinforcing bolt provides spacing support for the rotation of fixed axle, reduces the metal fatigue phenomenon that produces because of wind vibration, has increased the life of device, and fixing bolt's effect is for providing certain support for plectane and L board to make the installation pipe be the integration with the bottom plate, increase transmission efficiency.

The utility model has the beneficial effects that:

1. through the arranged installation pipe, an operator sleeves the installation pipe on the outer side of the motor rotating shaft, then the positioning bolt is rotatably hinged to enter the motor rotating shaft, and then the bolt is hinged to enter the bolt through the bolt hole, so that the motor rotating shaft is further limited, the facing direction of the blade is adjusted according to the use requirement through the rotating fixed shaft, the rotation of the integral device is adjusted and driven along with the rotation of the motor, so that the air is discharged through the rotation of the blade, the air outlet efficiency of the device can be increased while the device is lightened, and the function of adjusting the air outlet direction is increased, so that the use effect is good;

2. the number of the limiting bolts, the number of the limiting bolts and the number of the mounting bolts determine the limiting angle of the fixed shaft, such as the left-handed and right-handed reverse air outlet directions, and the blades can adjust the air outlet efficiency by matching with the angle and the holes of the reinforcing bolts hinged into the fixed shaft, so that the blades can be adjusted according to actual requirements, and the use efficiency is increased;

3. the total air outlet efficiency is determined by the number of the arranged fixed shafts, the fixed shafts and the auxiliary structures thereof, and if the blades are lighter and the air outlet with high wind rate is realized, the arrangement and the density of the blades are increased, so that the product parameters can be adjusted conveniently according to different production requirements;

4. the limiting blocks and the annular grooves are uniformly distributed in an annular shape, so that the fixed shaft can be adjusted in a 270-degree outward reverse rotation direction, the direction of the fixed shaft is limited conveniently, and the adjustment realizability is increased;

5. through the arranged blades, the streamline design of the blades can reduce the friction force between air flows during air outlet, reduce the resistance, and enable the kinetic energy of the rotation of the motor to be transmitted to a greater extent and converted into the air outlet efficiency;

6. the arc-shaped outer ring is arranged, and has the functions that when the integral device is used as an impeller for transmission, the limit of the integral device on air flow can be reduced, the air resistance is further reduced, and the wind power conversion is more efficient;

7. through the reinforcing bolt who sets up, reinforcing bolt provides spacing support for the rotation of fixed axle, reduces the metal fatigue phenomenon because of wind shakes and produces, has increased the life of device, and fixing bolt's effect is for plectane and L board provide certain support to make installation pipe and bottom plate be the integration, increase transmission efficiency.

Drawings

FIG. 1 is a schematic overall structure diagram of a front perspective view of an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a bottom perspective view of an embodiment of the present invention;

FIG. 3 is a front cross-sectional structural schematic view of an embodiment of the present invention;

FIG. 4 is a schematic top cross-sectional view of an embodiment of the present invention;

FIG. 5 is a schematic structural view in section from below of an embodiment of the present invention;

FIG. 6 is an enlarged schematic view of the structure at A in FIG. 3 according to an embodiment of the present invention;

fig. 7 is an enlarged schematic structural diagram at B in fig. 3 according to an embodiment of the present invention.

Description of reference numerals:

1. a base plate; 2. reinforcing the bolt; 3. a ring plate; 4. installing a bolt; 5. a top ring; 6. a blade; 7. an arc-shaped outer ring; 8. a bottom ring; 9. a fixed shaft; 10. a limit bolt; 11. installing a pipe; 12. a keyhole; 13. an L plate; 14. fixing the bolt; 15. a reinforcing ring; 16. a limiting block; 17. a ring groove; 18. a circular plate; 19. a groove; 20. positioning the bolt; 21. and reinforcing the ribs.

Detailed Description

The embodiments of the present invention will be further described with reference to the accompanying drawings.

Example (b):

as shown in fig. 1-7, a lightweight centrifugal fan impeller with less resistance comprises a bottom plate 1 and a ring plate 3, wherein a fixed shaft 9 is movably installed inside the bottom plate 1, a bottom ring 8 is fixedly hinged at the bottom of the fixed shaft 9, a limit bolt 10 is hinged inside the bottom ring 8, a limit block 16 is fixedly installed at the top of the bottom ring 8, a circular groove 17 is fixedly installed at the bottom of the bottom plate 1, a blade 6 is fixedly installed at the outer side of the fixed shaft 9, a top ring 5 is hinged at the top of the fixed shaft 9, a mounting bolt 4 is hinged inside the top ring 5, a reinforcing bolt 2 is hinged inside the ring plate 3, a mounting pipe 11 is fixedly sleeved inside the bottom plate 1, a bolt hole 12 is formed inside the mounting pipe 11, a circular plate 18 is fixedly installed at the top of the mounting pipe 11, six L plates 13 are fixedly installed at the outer side of the bottom of the circular plate 18, and fixing bolts 14 are hinged inside the six L plates 13, the top of the circular plate 18 is provided with a groove 19, the inside of the groove 19 is hinged with a positioning bolt 20, and the top of the bottom plate 1 is fixedly provided with a reinforcing ring 15.

The working principle of the technical scheme is as follows:

during operation, an operator sleeves the mounting pipe 11 on the outer side of the motor rotating shaft, then rotatably hinges the positioning bolt 20 into the motor rotating shaft, then hinges the positioning bolt into the bolt through the bolt hole 12 to further limit the motor rotating shaft, further adjusts the facing direction of the blade 6 according to the use requirement by rotating the fixed shaft 9, for example, the air outlet direction of the blade 6 is changed by adapting to the positive rotation or the reverse rotation of the motor rotating shaft, when the fixed shaft 9 rotates, the limiting block 16 at the top of the bottom end bottom ring 8 can limit the position inside the annular groove 17, so that the maximum rotating adjustment angle of the blade 6 is 270 degrees, after the required air outlet direction is adjusted, the limiting bolt 10 is hinged and fixed, the top ring 5 is hinged to the outer side of the fixed shaft 9, then the mounting bolt 4 is hinged into the inner part of the top ring 5, and the reinforcing bolt 2 is hinged into the annular plate 3 and the fixed shaft 9, make the position of fixed axle 9 by spacing fixed, adjust the rotation that drives whole device along with the rotation of motor at last to realize rotating the air-out through blade 6, this scheme can be when making the device lightweight, also can increase its air-out efficiency, and it is good to have increased the function result of use of adjustable air-out direction.

In another embodiment, as shown in fig. 1-6, the number of the limit bolts 10 and the mounting bolts 4 is at least four, and the limit bolts 10 and the mounting bolts 4 are respectively hinged through the bottom ring 8 and the top ring 5 and extend to the inner part of the bottom plate 1 and the ring plate 3.

The quantity of limit bolt 10 and mounting bolt 4 has decided the angle to fixed axle 9 is spacing, for 45 degrees regulation when four bolts are adjusted, analogize in proper order to the biggest angle is 270 degrees under the spacing of stopper 16 and annular 17, if the reversal air-out direction of levogyration and dextrorotation, the articulated angle and the hole that get into fixed axle 9 of cooperation reinforcing bolt 2 make blade 6 can adjust the efficiency of air-out, can adjust according to the demand of reality, has increased the efficiency of using.

In another embodiment, as shown in fig. 1-5, the number of the fixed shafts 9 is at least twelve.

The number of the fixed shafts 9 and the auxiliary structures thereof determines the overall air outlet efficiency, and if the blades 6 are lighter and the air outlet with high wind rate is realized, the arrangement and the density of the blades 6 are increased, so that the product parameters can be adjusted according to different production requirements.

In another embodiment, as shown in fig. 5, the position of the stopper 16 corresponds to the position of the ring groove 17, and the number of the stopper 16 and the number of the ring grooves 17 are the same.

The quantity of stopper 16 and annular 17 corresponds with the quantity of fixed axle 9, and stopper 16 and annular 17 are annular evenly distributed to the regulation of fixed axle 9 all is the regulation direction of outside reversal 270 degrees, is convenient for carry on spacingly to fixed axle 9 direction, has increased the realizations of adjusting.

In another embodiment, as shown in fig. 1-4, the blade 6 is streamlined, the inside of the blade 6 is hollow, and the reinforcing rib 21 is fixedly installed inside the blade 6.

The streamlined design of blade 6 makes when the air-out alleviate the frictional force between the air flow, reduces the resistance for motor pivoted kinetic energy transmission more degree, converts into air-out efficiency, and cavity design makes wind-force lighten the dead weight when the transmission moreover, has reduced the kinetic energy consumption, and the effect of reinforcing muscle 21 simultaneously is that cooperation fixed axle 9 makes holistic transmission wind-force and structural strength increase, and then has increased life.

In another embodiment, as shown in fig. 1-5, an arc-shaped outer ring 7 is fixedly mounted on the outer side of the bottom plate 1 and the ring plate 3.

The arc outer ring 7 has the effects that when the integral device is used as an impeller for transmission, the air flow limiting of the integral device can be reduced, the air resistance is further reduced, and the wind power conversion is more efficient.

In another embodiment, as shown in fig. 6 and 7, the reinforcing bolt 2 is hinged through the ring plate 3 and extends to the inside of the fixing shaft 9, and the fixing bolt 14 is hinged to the inside of the base plate 1.

The reinforcing bolt 2 provides limiting support for rotation of the fixing shaft 9, metal fatigue caused by wind vibration is reduced, the service life of the device is prolonged, the fixing bolt 14 is used for providing certain support for the circular plate 18 and the L plate 13, the mounting pipe 11 and the bottom plate 1 are integrated, and transmission efficiency is improved.

The above examples only express the specific embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.

Claims

1. The utility model provides a few resistance centrifugal fan impeller of lightweight, includes bottom plate (1) and crown plate (3), its characterized in that: the inner movable mounting of the bottom plate (1) is provided with a fixed shaft (9), the bottom of the fixed shaft (9) is fixedly hinged with a bottom ring (8), the inner part of the bottom ring (8) is hinged with a limit bolt (10), the top of the bottom ring (8) is fixedly mounted with a limit block (16), the bottom of the bottom plate (1) is fixedly mounted with an annular groove (17), the outer side of the fixed shaft (9) is fixedly mounted with a blade (6), the top of the fixed shaft (9) is hinged with a top ring (5), the inner part of the top ring (5) is hinged with a mounting bolt (4), the inner side of the ring plate (3) is hinged with a reinforcing bolt (2), the inner part of the bottom plate (1) is fixedly sleeved with a mounting pipe (11), the inner part of the mounting pipe (11) is provided with a bolt hole (12), the top of the mounting pipe (11) is fixedly mounted with a circular plate (18), the outside fixed mounting of plectane (18) bottom has six L boards (13), six the inside of L board (13) all articulates there is fixing bolt (14), the top of plectane (18) is seted up flutedly (19), the inside of flutedly (19) articulates there is positioning bolt (20), the top fixed mounting of bottom plate (1) has reinforcing ring (15).

2. The impeller for the centrifugal fan with reduced weight and reduced resistance according to claim 1, wherein: the number of the limiting bolts (10) and the number of the mounting bolts (4) are at least four, and the limiting bolts (10) and the mounting bolts (4) are respectively hinged to penetrate through the bottom ring (8) and the top ring (5) and extend to the inner parts of the bottom plate (1) and the ring plate (3).

3. The impeller for the centrifugal fan with reduced weight and reduced resistance according to claim 1, wherein: the number of the fixed shafts (9) is at least twelve.

4. The impeller for the centrifugal fan with reduced weight and reduced resistance according to claim 1, wherein: the position of the limiting block (16) corresponds to the position of the ring groove (17), and the number of the limiting block (16) is consistent with that of the ring groove (17).

5. The impeller for the centrifugal fan with reduced weight and reduced resistance according to claim 1, wherein: the shape of the blade (6) is streamline, the inside of the blade (6) is hollow, and a reinforcing rib (21) is fixedly arranged in the blade (6).

6. The impeller for the centrifugal fan with reduced weight and reduced resistance according to claim 1, wherein: and arc-shaped outer rings (7) are fixedly arranged on the outer sides of the bottom plate (1) and the ring plate (3).

7. The impeller for the centrifugal fan with reduced weight and reduced resistance according to claim 1, wherein: the reinforcing bolt (2) is hinged to penetrate through the annular plate (3) and extends to the inside of the fixed shaft (9), and the fixed bolt (14) is hinged to the inside of the bottom plate (1).