CN218913258U

CN218913258U - Novel structure of high-efficient impeller

Info

Publication number: CN218913258U
Application number: CN202223267899.2U
Authority: CN
Inventors: 周亮; 赵晓岗
Original assignee: Nantong Dart Pollrich Fan Co Ltd
Current assignee: Nantong Dart Pollrich Fan Co Ltd
Priority date: 2022-12-06
Filing date: 2022-12-06
Publication date: 2023-04-25
Anticipated expiration: 2032-12-06

Abstract

The application relates to a novel structure of high-efficient impeller relates to the fan field, and in order to solve because the distance between the adjacent blade expands gradually to the one end of keeping away from the through-hole along the one end that is close to the through-hole, the air current is kept away from the one end of through-hole at the disk body and is easily taken place the problem of disorder, and it includes rim plate and wheel cover, the vent has been seted up at the rim plate center, be provided with a plurality of blades between rim plate and the wheel cover, the one end that the vent was kept away from to the blade is provided with the stationary flow spare. The device has the effect of improving the conditions of outlet turbulence and turbulent flow at the outlet of the impeller.

Description

Novel structure of high-efficient impeller

Technical Field

The application relates to the field of fans, in particular to a novel structure of an efficient impeller.

Background

The centrifugal ventilator is widely applied to various systems in metallurgical, chemical, cement and other industries, and relates to aspects of life, an impeller is a core component of the centrifugal ventilator, and the working efficiency of the impeller directly influences the overall efficiency of the centrifugal ventilator.

There is related patent with publication number of CN204716607U at present, there is provided an impeller, comprising a disk body, a through hole is arranged in the center of the disk body, a plurality of blades are uniformly distributed on the end face of the disk body in the circumferential direction, and diamond-shaped grains are arranged on the side walls of the disk body and the blades; the air flow blows into the tray body from the through holes, and the air flow blows along the inner wall of the tray body in a direction away from the through holes, and at the same time, the air flow blows a plurality of blades, and the tray body rotates.

However, in practical applications, the distance between adjacent blades gradually expands along the end close to the through hole to the end far away from the through hole, and the airflow is easy to be disturbed at the end of the tray body far away from the through hole, so that improvement is needed.

Disclosure of Invention

In order to improve the conditions of outlet turbulence and turbulent flow at the outlet of the impeller, the application provides a novel structure of the efficient impeller.

The application provides a novel structure of high-efficient impeller adopts following technical scheme:

the utility model provides a novel structure of high-efficient impeller, includes rim plate and wheel cap, the vent has been seted up at the rim plate center, be provided with a plurality of blades between rim plate and the wheel cap, the one end that the vent was kept away from to the blade is provided with the stationary flow spare.

By adopting the technical scheme, air flow enters between the wheel disc and the wheel cover from the ventilation opening, then is split into a plurality of adjacent blades, and finally leaves from one end of the adjacent blades, which is far away from the ventilation opening, under the action of the steady flow piece; the distance between the adjacent blades and one end of the vent is far greater than the distance between the adjacent blades and one end of the vent, and the outlet turbulence and turbulent flow of the impeller outlet can be improved by arranging the steady flow piece.

Optionally, the blades are all bent and arranged in the same direction, and the virtual circle center and the steady flow piece of the blades are positioned on two sides of the blades.

By adopting the technical scheme, the virtual circle center of the blade and the steady flow pieces are positioned on the two sides of the blade, so that the flow path of the airflow cannot be greatly changed, and the impeller is more stable in operation.

Optionally, the stationary flow piece is the bending plate, the one end setting of bending plate is in the blade tip, the one end that the blade tip was kept away from to the bending plate sets up the lateral wall at the blade.

Through adopting above-mentioned technical scheme, the distance that the one end of vent was kept away from to the board of buckling makes adjacent blade reduce, has reduced the condition that the air current produced turbulent flow because the volume suddenly increases takes place, and the board of buckling can also strengthen the stability that the blade kept away from vent one end, simple structure easily makes.

Optionally, the wheel cap center has offered the installing port, the wheel cap is close to one side of a plurality of blades and is provided with the collar, the installing port is linked together with the collar.

Through adopting above-mentioned technical scheme, with the impeller through installing port and collar can be convenient install on the fan, improved the practicality of impeller.

Optionally, the junction of wheel cap and collar is provided with the conical ring, the one end that the conical ring diameter is great sets up on the collar, the one end that the conical ring diameter is big sets up on the wheel cap.

Through adopting above-mentioned technical scheme, after the air current gets into between rim plate and the wheel cap from the vent, along between a plurality of adjacent blades of circular cone ring lateral wall reposition of redundant personnel entering, the circular cone ring can avoid the air current direct impact wheel cap, and under the direction of circular cone ring lateral wall, more steady when the air current transition is convenient.

Optionally, a plurality of reinforcing plates are arranged between the conical ring and the mounting ring.

Through adopting above-mentioned technical scheme, a plurality of reinforcing plates can strengthen the stability that conical ring and collar connect to make impeller more steady when rotating.

Optionally, the rim plate is located vent department and is provided with the wind-guiding ring, the wind-guiding ring is located the rim plate and deviates from one side of wheel cap, be provided with a plurality of aviation baffles between wind-guiding ring and the collar, every the aviation baffle all is connected with a blade.

Through adopting above-mentioned technical scheme, the air current gets into the impeller from the clearance between wind-guiding ring and the collar, then shunts and get into between a plurality of adjacent aviation baffle, and the air current shunts in advance for the air current distributes comparatively even in the impeller, makes each part atress of impeller more even, has further strengthened the stability of impeller.

Optionally, the one end that a plurality of aviation baffle kept away from the blade all is to the same direction setting of buckling.

Through adopting above-mentioned technical scheme, the air current reposition of redundant personnel gets into between a plurality of adjacent aviation baffle, flows along the lateral wall of deflector, increases the rotation moment of impeller for the impeller rotates more easily.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the air flow enters between the wheel disc and the wheel cover from the ventilation opening, then is split into a plurality of adjacent blades, and finally leaves from one end of the adjacent blades, which is far away from the ventilation opening, under the action of the steady flow piece; the distance between the adjacent blades and one end of the vent is far longer than the distance between the adjacent blades and one end of the vent, and the outlet turbulence and turbulent flow at the outlet of the impeller can be improved by arranging the steady flow piece;

2. the bent plate reduces the distance between the adjacent blades and one end of the vent, reduces the occurrence of turbulent flow caused by the rapid volume enlargement of the air flow, can also strengthen the stability of the blades and one end of the vent, has simple structure and is easy to manufacture;

3. the air flow is split into a plurality of adjacent air deflectors, flows along the side walls of the guide plates, and increases the rotation moment of the impeller, so that the impeller is easier to rotate.

Drawings

Fig. 1 is a schematic structural view of a novel structure of a high-efficiency impeller in an embodiment of the present application.

Fig. 2 is a schematic structural diagram for showing a connection relationship between a blade and an air deflector in an embodiment of the present application.

Fig. 3 is an enlarged view at a in fig. 2.

Fig. 4 is a schematic cross-sectional view showing the positional relationship between the mounting ring and the wheel cover in the embodiment of the present application.

Reference numerals illustrate: 1. a wheel disc; 11. a vent; 12. an air guide ring; 2. wheel cover; 21. a mounting port; 22. a mounting ring; 3. a blade; 31. a diversion channel; 4. a steady flow member; 41. a bending plate; 411. a guide plate; 412. a connecting plate; 42. a conical ring; 421. a flow guiding surface; 43. a reinforcing plate; 5. and an air deflector.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-4.

The embodiment of the application discloses a novel structure of a high-efficiency impeller. Referring to fig. 1 and 2, the novel structure of high-efficient impeller includes rim plate 1 and wheel cover 2 that the external diameter is the same, and vent 11 has been seted up at rim plate 1 center, is provided with a plurality of blades 3 between rim plate 1 and the wheel cover 2, forms water conservancy diversion passageway 31 between the adjacent blade 3, and a plurality of blades 3 all buckle to the same direction setting, and the one end that vent 11 was kept away from to blade 3 is provided with stationary flow spare 4, and the virtual centre of a circle of stationary flow spare 4 and blade 3 is located the both sides of blade 3.

Referring to fig. 1 and 2, the air flow enters between the wheel disc 1 and the wheel cover 2 from the ventilation opening 11, then is split into a plurality of diversion channels 31, finally flows out from one ends of a plurality of adjacent blades 3 far away from the ventilation opening 11, and the flow stabilizing piece 4 can reduce the occurrence of turbulent flow when the air flow is far away from the impeller, so that the stability of the impeller during operation is improved.

Referring to fig. 2 and 3, the flow stabilizing member 4 is a bending plate 41, the bending plate 41 includes a guide plate 411 and a connecting plate 412, one end of the guide plate 411 is fixed on the side wall of the blade 3 through a bolt, one end of the connecting plate 412 is fixed on the end of the blade 3 through a bolt, and the guide plate 411 and the connecting plate 412 are integrally formed and arranged at one end far away from the blade 3.

Referring to fig. 2 and 3, the guide plate 411 reduces the opening of the end of the flow guide channel 31 away from the vent 11, so that turbulence of the air flow caused by the rapid enlargement of the flow guide channel 31 can be reduced, and the impeller can be operated more stably.

Referring to fig. 1 and 4, the wheel disc 1 is provided with an air guide ring 12 integrally extending to a side of the ventilation opening 11 away from the wheel cover 2; the center of the wheel cover 2 is provided with a mounting opening 21, the diameter of the mounting opening 21 is smaller than that of the ventilation opening 11, one side, close to the wheel disc 1, of the wheel cover 2 is provided with a mounting ring 22, the bottom wall of the mounting ring 22 is fixed on the wheel cover 2 through welding, and the mounting ring 22 and the mounting opening 21 are arranged in a co-linear mode.

Referring to fig. 1 and 4, the air flow enters between the wheel disc 1 and the wheel cover 2 through the gap between the air guide ring 12 and the mounting ring 22, and then is split into a plurality of diversion channels 31; by the mutual cooperation of the wind guiding ring 12 and the mounting ring 22, the air flow is conveniently led into a plurality of guiding channels 31.

Referring to fig. 2 and 4, a conical ring 42 is provided at the junction of the wheel cover 2 and the mounting ring 22, one end of the conical ring 42 with a small diameter is fixed on the mounting ring 22 by welding, one end of the conical ring 42 with a large diameter is fixed on the wheel cover 2 by welding, and the outer side wall of the conical ring 42 forms a guide surface 421; a reinforcing plate 43 is arranged between the conical ring 42 and the mounting ring 22, one end of the reinforcing plate 43 is fixed on the inner side wall of the conical ring 42 through welding, and one end of the reinforcing plate 43, which is far away from the conical ring 42, is fixed on the outer side wall of the mounting ring 22 through welding.

Referring to fig. 2 and 4, after the air flow enters between the wheel disc 1 and the wheel cover 2, the air flow enters a plurality of flow guide channels 31 along the flow guide surface 421, so that the impact of the air flow on the wheel cover 2 can be reduced by the flow guide surface 421, and the occurrence of turbulent flow caused by instantaneous direction change of the air flow is reduced; the reinforcing plate 43 can enhance the stability of the impeller structure.

Referring to fig. 1 and 2, one end of each blade 3 near the ventilation opening 11 is formed with an air deflector 5, a plurality of air deflectors 5 are all located between the air deflector 12 and the mounting ring 22, one side of the length direction of the air deflector 5 is fixed on the inner side wall of the air deflector 12 through welding, one end of the air deflector 5 far away from the air deflector 12 is fixed on the outer side wall of the mounting ring 22 through welding, and one end of the plurality of air deflectors 5 far away from the blade 3 is bent in the anticlockwise direction.

Referring to fig. 1 and 2, the air flow is split through the gaps between the adjacent air deflectors 5, the air flow is split in advance, the air flow entering the guide channels 31 is more uniform, the stress of the blades 3 is more uniform, and the impeller is more stable when rotating; the air deflectors 5 are bent, the stress surface of the air deflectors 5 is larger, the rotation moment of the impeller is increased, and the impeller is easier to rotate.

The implementation principle of the novel structure of the efficient impeller provided by the embodiment of the application is as follows: the air flow enters the impeller from the gap between the mounting ring 22 and the air guiding ring 12, the air flow is split to enter the air guiding channel 31 along the air guiding plate 5 and the air guiding surface 421, the air flow pushes the blades 3 to rotate, and finally the air flow leaves the impeller from the gap between the blades 3 and the air guiding plate 411.

By the combined action of the blades 3 and the bent plates 41, the conditions of turbulent flow and turbulent flow at the outlet of the impeller are improved, and the practicability of the impeller is enhanced.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. A novel structure of high-efficient impeller, its characterized in that: comprises a wheel disc (1) and a wheel cover (2), wherein a vent (11) is arranged at the center of the wheel disc (1), A plurality of blades (3) are arranged between the wheel disc (1) and the wheel cover (2), and a steady flow piece (4) is arranged at one end, far away from the ventilation opening (11), of each blade (3).

2. The novel structure of a high efficiency impeller of claim 1, wherein: the blades (3) are bent and arranged in the same direction, and the virtual circle center of the blades (3) and the steady flow pieces (4) are positioned on two sides of the blades (3).

3. The novel structure of a high efficiency impeller of claim 1, wherein: the flow stabilizing piece (4) is a bending plate (41), one end of the bending plate (41) is arranged at the end part of the blade (3), and one end of the bending plate (41) away from the end part of the blade (3) is arranged on the side wall of the blade (3).

4. The novel structure of a high efficiency impeller of claim 1, wherein: the center of the wheel cover (2) is provided with a mounting opening (21), one side, close to the blades (3), of the wheel cover (2) is provided with a mounting ring (22), and the mounting opening (21) is communicated with the mounting ring (22).

5. The novel structure of the efficient impeller according to claim 4, wherein: the wheel cover (2) is provided with a conical ring (42) at the joint of the wheel cover (22), one end with small diameter of the conical ring (42) is arranged on the mounting ring (22), and one end with large diameter of the conical ring (42) is arranged on the wheel cover (2).

6. The novel structure of the efficient impeller according to claim 5, wherein: a plurality of reinforcing plates (43) are arranged between the conical ring (42) and the mounting ring (22).

7. The novel structure of the efficient impeller according to claim 4, wherein: the novel air conditioner is characterized in that the wheel disc (1) is provided with an air guide ring (12) at the position of the ventilation opening (11), the air guide ring (12) is positioned on one side, deviating from the wheel cover (2), of the wheel disc (1), a plurality of air deflectors (5) are arranged between the air guide ring (12) and the mounting ring (22), and each air deflector (5) is connected with one blade (3).

8. The novel structure of the efficient impeller of claim 7, wherein: one ends of the air deflectors (5) far away from the blades (3) are bent in the same direction.