CN211715395U

CN211715395U - Wind wheel of ventilator

Info

Publication number: CN211715395U
Application number: CN202020225045.XU
Authority: CN
Inventors: 聂福坚
Original assignee: Dongguan Guotong Ventilation Equipment Co ltd
Current assignee: Dongguan Guotong Ventilation Equipment Co ltd
Priority date: 2020-02-28
Filing date: 2020-02-28
Publication date: 2020-10-20
Anticipated expiration: 2030-02-28

Abstract

The utility model discloses a wind wheel of ventilation blower relates to ventilation blower technical field, and it includes front bezel, blade and back plate, the blade is fixed to be set up between front bezel and back plate, its characterized in that: the wind power generator is characterized by further comprising at least two tensioning rods, wherein the front disc is provided with an air inlet, the rear disc is provided with a shaft hole, the blades are arranged in a circumferential array by taking the central shaft of the shaft hole as the center, one end of each tensioning rod is fixedly connected with the front disc, the other end of each tensioning rod is fixedly connected with the rear disc, and the tensioning rods are arranged in a circumferential array by taking the central shaft of the shaft hole as the center; compared with the prior art, the utility model, the technical problem that sound construction, ventilation effect are good has been solved.

Description

Wind wheel of ventilator

Technical Field

The utility model relates to a ventilation blower technical field especially relates to a wind wheel.

Background

The wind wheel is used as a key part of the ventilator, and the operation state of the wind wheel directly influences the operation efficiency of the ventilator; the impeller of traditional centrifugal fan generally sets up blade snap-on between preceding dish and back plate, when the length overlength of blade, relies on the self toughness of blade to support between preceding dish and the back plate completely, and the wind wheel is when rotatory, and the blade takes place deformation easily under air resistance, and then easily makes and takes place the displacement between preceding dish and the back plate, influences the ventilation effect of whole equipment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a firm in structure, ventilation effect good ventilation fan wind wheel to solve the problem that proposes in the background art.

In order to achieve the above purpose, the technical solution adopted by the utility model is as follows:

the utility model provides a wind wheel of ventilation blower, includes front bezel, blade and back plate, the blade is fixed to be set up in the front between front bezel and the back plate, the utility model discloses still include the straining rod, the air intake has been seted up on the front bezel, the shaft hole has been seted up on the back plate, the blade has at least two, and uses the center pin in shaft hole to be the circumference array and arrange as the center, the one end and the front bezel fixed connection of straining rod, the other end and back plate fixed connection, the straining rod has two at least, and uses the center pin in shaft hole to be the circumference array and arranges as the center.

Furthermore, the device also comprises a shaft disc, wherein the shaft disc is fixedly arranged at the shaft hole through a screw.

Further, the blades are vertically fixed on the rear disc.

Further, the vanes are disposed adjacent to a circumferential edge of the rear disk.

Further, the number of the blades is thirty-eight.

Further, the number of the tension rods is three.

Further, the cross section of the blade is arc-shaped, and the radius of the inner side of the arc is thirty-eight millimeters.

Further, the length of the blade is two hundred millimeters.

Further, the angle between the central axis of the tension rod and the rear disc is an acute angle.

Furthermore, the tensioning rod comprises a front screw rod, an adjusting nut and a rear screw rod, one end of the front screw rod is fixedly connected with the front disc through a screw, the other end of the front screw rod is screwed with the adjusting nut, one end of the rear screw rod is fixedly connected with the rear disc through a screw, the other end of the rear screw rod is screwed with the adjusting nut, and the direction of threads on the front screw rod is opposite to the direction of threads on the rear screw rod.

The utility model has the advantages that: the utility model further strengthens the front disc and the rear disc by arranging the tension rods, compared with the traditional method of simply supporting by the blades, the structure of the utility model is firmer, so that the blades are not easy to deform; the at least two tension rods are arranged and are arranged in a circumferential array by taking the central shaft of the shaft hole as the center, so that the mass of the utility model is balanced, and the deflection is not easy to occur during the rotation; through setting up the blade at least two, and let all blades use the center pin in shaft hole to be the circumference array arrangement as the center, make the utility model discloses form better dynamic balance when rotatory, compare with the conventional art, the utility model discloses further promote ventilation effect to a certain extent.

Drawings

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

FIG. 2 is a rear view of the overall structure of the present invention;

FIG. 3 is a schematic view of a part of the structure of the present invention;

fig. 4 is a schematic structural view of a central shaft of the front plate of the present invention;

fig. 5 is a schematic structural view of the tension rod of the present invention;

fig. 6 is a schematic structural view of the blade of the present invention.

The reference signs are:

a front disc 1, an air inlet 11, an air outlet 12,

the blades 2 are provided with a plurality of blades,

a tension rod 3, a front screw 31, an adjusting nut 32, a rear screw 33,

the rear disc 4, the shaft hole 41,

the shaft disc 5 is provided with a shaft disc,

the inner diameter R of the air inlet, the radius R of the arc-shaped inner side of the blade and the length L of the blade.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings, in which fig. 1 to 6 show a wind wheel of a ventilator, the wind wheel comprises a front disk 1, blades 2, a tension rod 3, a rear disk 4 and a hub 5, the blades 2 are fixedly arranged between the front disk 1 and the rear disk 4, the front disk 1 and the rear disk 4 are parallel to each other, and the blades 2 are perpendicularly fixed on the rear disk 4.

The front disc 1 is provided with an air inlet 11, the inner diameter R of the air inlet is four hundred twenty five millimeters, the rear disc 4 is provided with an axle hole 41, and the axle disc 5 is fixedly arranged at the axle hole 41 through a screw; the central axis of the air inlet 11 is collinear with the central axis of the shaft hole 41, so that the utility model can achieve the best dynamic balance when rotating; thirty-eight blades 2 are arranged, thirty-eight blades 2 are arranged in a circumferential array by taking the central shaft of the shaft hole 41 as the center, the blades 2 are arranged close to the circumferential edge of the rear disc 4, the cross section of each blade 2 is arc-shaped, the radius r of the arc-shaped inner side of each blade is thirty-eight millimeters, and the length L of each blade is two hundred millimeters; the group of data is matched with the inner diameter R of the air inlet, so that the optimal ventilation effect can be achieved; form the ventiduct between blade 2 and the blade 2, keep away from the one end of air intake 11 promptly for air outlet 12 at the ventiduct, the utility model discloses at the during operation, the air gets into the ventiduct from air intake 11, throws away from air outlet 12 through blade 2.

The tightening rod 3 comprises a front screw rod 31, an adjusting nut 32 and a rear screw rod 33, one end of the front screw rod 31 is fixedly connected with the front disc 1 through a screw, the other end of the front screw rod 31 is screwed with the adjusting nut 32, one end of the rear screw rod 33 is fixedly connected with the rear disc 4 through a screw, the other end of the rear screw rod 33 is screwed with the adjusting nut 32, the direction of threads on the front screw rod 31 is opposite to that of threads on the rear screw rod 33, the principle of the tightening rod 3 is the same as that of a turnbuckle, and the distance between the front screw rod 31 and the rear screw rod 33 can be adjusted by screwing the adjusting nut 32, so that the tightness degree between the front disc 1 and the rear disc 4; the number of the tension rods 3 is three, the three tension rods 3 are arranged in a circumferential array by taking the central shaft of the shaft hole 41 as the center, and the angle between the central shaft of the tension rod 3 and the rear disc 4 is thirty degrees, so that the connection between the front disc 1 and the rear disc 4 is more stable.

The working principle is as follows: the utility model discloses at the during operation, the air gets into the air duct from air intake 11, throws away from air outlet 12 through blade 2.

The above description is not intended to limit the technical scope of the present invention, and any modification, equivalent change and modification of the above embodiments according to the technical spirit of the present invention are still within the technical scope of the present invention.

Claims

1. The utility model provides a wind wheel of ventilation blower, includes preceding dish, blade and back dish, the blade is fixed to be set up between preceding dish and back dish, its characterized in that: the wind power generator is characterized by further comprising at least two tensioning rods, wherein the front disc is provided with an air inlet, the rear disc is provided with a shaft hole, the blades are arranged in a circumferential array by taking the central shaft of the shaft hole as the center, one end of each tensioning rod is fixedly connected with the front disc, the other end of each tensioning rod is fixedly connected with the rear disc, and the tensioning rods are arranged in a circumferential array by taking the central shaft of the shaft hole as the center.

2. A wind wheel for a ventilator according to claim 1, characterized in that: the shaft disc is fixedly arranged at the shaft hole through a screw.

3. A wind wheel for a ventilator according to claim 1, characterized in that: the blades are vertically and fixedly arranged on the rear disc.

4. A wind wheel for a ventilator according to claim 1, characterized in that: the vanes are disposed adjacent a circumferential edge of the rear disk.

5. A wind wheel for a ventilator according to claim 1, characterized in that: the number of the blades is thirty-eight.

6. A wind wheel for a ventilator according to claim 1, characterized in that: the number of the tension rods is three.

7. A wind wheel for a ventilator according to claim 1, characterized in that: the cross section of the blade is arc-shaped, and the radius of the inner side of the arc is thirty-eight millimeters.

8. A wind wheel for a ventilator according to claim 1, characterized in that: the length of the blade is two hundred millimeters.

9. A wind wheel for a ventilator according to claim 1, characterized in that: the angle between the central shaft of the tension rod and the rear disc is an acute angle.

10. A rotor for a ventilator according to any one of claims 1-9, characterised in that: the tensioning rod comprises a front screw rod, an adjusting nut and a rear screw rod, one end of the front screw rod is fixedly connected with the front disc through a screw, the other end of the front screw rod is screwed with the adjusting nut, one end of the rear screw rod is fixedly connected with the rear disc through a screw, the other end of the rear screw rod is screwed with the adjusting nut, and the direction of threads on the front screw rod is opposite to the direction of threads on the rear screw rod.