CN217976709U

CN217976709U - Multilayer centrifugal impeller

Info

Publication number: CN217976709U
Application number: CN202222025330.9U
Authority: CN
Inventors: 陈志龙; 陈睿婷
Original assignee: Jiaxing Jiagu Blower Co ltd
Current assignee: Jiaxing Jiagu Blower Co ltd
Priority date: 2022-08-03
Filing date: 2022-08-03
Publication date: 2022-12-06
Anticipated expiration: 2032-08-03

Abstract

The utility model provides a multilayer centrifugal impeller, including air inlet mechanism, the edge of air inlet mechanism bottom is provided with multiunit third blade, multiunit the bottom fixedly connected with second mesodial of third blade, the edge fixedly connected with multiunit second blade of bottom of the dish in the second, multiunit the first mesodial of bottom fixedly connected with of second blade. The utility model discloses a be provided with first well dish and second blade and third blade on the impeller, the flow field that can second blade and third blade produce can improve and be located air outlet department flow field flows slowly, inhomogeneous phenomenon, can weaken vortex intensity as far as possible, reduced the running noise, improve the efficiency of fan, and the air current between first well dish and the second well dish flows each other noninterference for the air current flows more evenly smoothly, rectification piece and rectification ring on the air inlet mechanism can arrange the air current in order, make the air current more smooth and easy, the production of noise abatement.

Description

Multilayer centrifugal impeller

Technical Field

The utility model relates to an impeller field especially relates to a multilayer centrifugal 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; wind tunnel wind source and air cushion boat inflation and propulsion.

Conventional fan wheels have some drawbacks: 1. most of the existing centrifugal impellers are of single-layer structures, air quantity at air outlets are not uniformly distributed, eddy current phenomenon is easy to occur at the air outlets of the centrifugal impellers, the efficiency of a fan is seriously influenced, the condition of airflow disorder is easy to occur, and noise generated by work is larger; 2. meanwhile, the blades of the existing centrifugal impeller are generally fixed by welding, and the impeller is required to be installed in different use environments, different wind power sizes are required, and impellers of different models are generally required to be used, so that the practicability of the impeller is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a multilayer centrifugal impeller which overcomes the above problems or at least partially solves the above problems, so as to solve the problems that the existing centrifugal impeller is mostly of a single-layer structure, the air outlet air volume distribution is uneven, the vortex phenomenon is easy to occur at the air outlet of the centrifugal impeller, the efficiency of a fan is seriously influenced, the condition of air flow disorder is easy to occur, and the noise generated by the work is larger; meanwhile, the blades of the existing centrifugal impeller are generally fixed by welding, and need to be installed in different use environments, different wind power sizes are needed, and impellers of different models are generally needed to be used, so that the practicability of the impeller is reduced.

In order to achieve the above object, the technical solution of the present invention is specifically realized as follows:

the utility model provides a multilayer centrifugal impeller, including air inlet mechanism, the edge of air inlet mechanism bottom is provided with multiunit third blade, multiunit the bottom fixedly connected with second center of third blade, the edge fixedly connected with multiunit second blade of portion of trying to get to the heart of a matter in the second, multiunit the first center of bottom fixedly connected with of second blade, the edge of portion of trying to the heart of a matter in the first center articulates there is multiunit adjustment mechanism, multiunit adjustment mechanism's bottom articulates there is rim plate mechanism.

Preferably, the air inlet mechanism includes air inlet end cover, rectification piece and rectifier ring, the air inlet end cover is located the top of multiunit third blade, the inboard fixedly connected with multiunit rectification piece of air inlet end cover, multiunit the top fixedly connected with rectifier ring of rectification piece.

Preferably, adjustment mechanism includes first blade, pivot and gear, first blade is provided with the edge that the multiunit all is located first well bottom of plates portion, the inside of first blade is provided with the pivot, the bottom fixedly connected with gear of pivot.

Preferably, the wheel disc mechanism comprises a wheel disc, a fixing rod, fixing grooves and annular racks, the wheel disc is located at the bottoms of the multiple groups of first blades, the annular racks are arranged at the bottoms of the wheel disc in a sliding mode, the fixing rods are connected to the inner sides of the annular racks in a sliding mode, and the multiple groups of fixing grooves are formed in the two sides of the bottom of the wheel disc.

Preferably, the inner side of the wheel disc is fixedly connected with a mounting ring, the bottom of the outer side of the fixing rod is sleeved with a rubber ring, and the fixing rod is matched with the fixing groove.

Preferably, the edge of the bottom of the wheel disc is provided with an annular connecting groove, the annular rack is located inside the annular connecting groove, and the annular rack is meshed with the gear.

The utility model provides a multilayer centrifugal impeller, beneficial effect lies in:

1. through be provided with first well dish and second blade and third blade on the impeller, the flow field that can second blade and third blade produce can improve and be located air outlet department flow field flows slowly, inhomogeneous phenomenon, can weaken vortex intensity as far as possible, reduced the running noise, improve the efficiency of fan, and the air current between first well dish and the second well dish flows each other noninterference for the air current flows more evenly smoothly, rectification piece and rectification ring on the air inlet mechanism can arrange in order the air current, make the air current more smooth and easy, the production of noise abatement.

2. Meanwhile, the inclination angle between the first blades is changed, so that the suction force generated by the suction surface of the first blades can be changed, the transmitted wind power can be adjusted, and the impeller can be installed in working environments requiring different wind powers.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a front view provided by an embodiment of the present invention.

Fig. 2 is a top view of the air intake mechanism provided by the embodiment of the present invention.

Fig. 3 is a bottom view of the wheel disc mechanism according to the embodiment of the present invention.

Fig. 4 is a front cross-sectional view of the annular rack according to an embodiment of the present invention.

In the figure: 1. an air inlet mechanism; 11. an air inlet end cover; 12. rectifying blocks; 13. a rectifying ring; 2. a wheel disc mechanism; 21. a wheel disc; 22. fixing the rod; 23. fixing grooves; 24. an annular rack; 3. a second blade; 4. an adjustment mechanism; 41. a first blade; 42. a rotating shaft; 43. a gear; 5. a first middle disc; 6. a second middle plate; 7. and a third blade.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

Referring to fig. 1-4, the embodiment of the utility model provides a pair of multilayer centrifugal impeller, including air inlet mechanism 1, the edge of air inlet mechanism 1 bottom is provided with multiunit third blade 7, and the bottom fixedly connected with second well dish 6 of multiunit third blade 7, the edge fixedly connected with multiunit second blade 3 of 6 bottoms of second well dish, the first well dish 5 of bottom fixedly connected with of multiunit second blade 3, the edge of first well dish 5 bottom articulates there is multiunit adjustment mechanism 4, and the bottom of multiunit adjustment mechanism 4 articulates there is rim plate mechanism 2.

As shown in fig. 1-3, the air intake mechanism 1 includes an air intake end cover 11, rectifying blocks 12 and rectifying rings 13, the air intake end cover 11 is located at the top of a plurality of groups of third blades 7, the inner side of the air intake end cover 11 is fixedly connected with a plurality of groups of rectifying blocks 12, the top of the plurality of groups of rectifying blocks 12 is fixedly connected with the rectifying rings 13, the adjusting mechanism 4 includes a first blade 41, a rotating shaft 42 and a gear 43, the first blade 41 is provided with a plurality of groups of edges located at the bottom of the first middle disc 5, the rotating shaft 42 is arranged inside the first blade 41, and the gear 43 is fixedly connected at the bottom of the rotating shaft 42.

When the impeller works, at first, the intensity of second blade 3 and third blade 7 has also been strengthened to first well dish 5 and second well dish 6, make multilayer centrifugal impeller's structure more stable, dish 5 and second well dish 6 are cut apart into multilayer centrifugal impeller's air intake and are the multilayer runner, the air current flow mutual noninterference of every layer of runner, make the even smooth and easy of flow of air current, and when the air inlet, rectifier block 12 and rectifier ring 13 can arrange the air current in order, make the air current remove more stably, can not lead to the noise because of the disorder of air current.

As shown in fig. 3-4, wheel disc mechanism 2 includes wheel disc 21, dead lever 22, fixed slot 23 and annular rack 24, wheel disc 21 is located the bottom of the first blade 41 of multiunit, the bottom of wheel disc 21 slides and is provided with annular rack 24, the inboard sliding connection of annular rack 24 has dead lever 22, multiunit fixed slot 23 has been seted up to the both sides of wheel disc 21 bottom, the inboard fixedly connected with collar of wheel disc 21, the bottom cover in the dead lever 22 outside is equipped with the rubber circle, dead lever 22 and the mutual adaptation of fixed slot 23, annular connecting groove has been seted up to the edge of wheel disc 21 bottom, annular rack 24 is located the inside of annular connecting groove, annular rack 24 and gear 43 intermeshing.

When the wind power that needs to the impeller changes, can draw out dead lever 22 from the inside of fixed slot 23, can remove fixedly roulette 21, rotatory roulette 21 this moment for roulette 21 drives multiunit gear 43 and rotates, makes gear 43 drive multiunit first blade 41 through pivot 42 and rotates, makes the suction surface of first blade 41 can change the angle, changes the size of suction, carries out overall control to the suction of impeller.

The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art to which the present application pertains. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. The utility model provides a multilayer centrifugal impeller, includes air inlet mechanism (1), its characterized in that, the edge of air inlet mechanism (1) bottom is provided with multiunit third blade (7), multiunit the bottom fixedly connected with second well dish (6) of third blade (7), the edge fixedly connected with multiunit second blade (3) of second well dish (6) bottom, multiunit the first well dish (5) of bottom fixedly connected with of second blade (3), the edge of first well dish (5) bottom articulates there are multiunit adjustment mechanism (4), multiunit the bottom of adjustment mechanism (4) articulates there is rim plate mechanism (2).

2. The multilayer centrifugal impeller of claim 1, wherein the air intake mechanism (1) comprises an air intake end cover (11), rectifying blocks (12) and rectifying rings (13), the air intake end cover (11) is located at the top of the multiple groups of third blades (7), the inner side of the air intake end cover (11) is fixedly connected with multiple groups of rectifying blocks (12), and the top of the multiple groups of rectifying blocks (12) is fixedly connected with the rectifying rings (13).

3. The multilayer centrifugal impeller according to claim 1, wherein the adjusting mechanism (4) comprises a first blade (41), a rotating shaft (42) and a gear (43), the first blade (41) is provided with a plurality of groups of edges which are all located at the bottom of the first middle disc (5), the rotating shaft (42) is arranged inside the first blade (41), and the gear (43) is fixedly connected to the bottom of the rotating shaft (42).

4. The multilayer centrifugal impeller of claim 1, wherein the wheel disc mechanism (2) comprises a wheel disc (21), fixing rods (22), fixing grooves (23) and a circular rack (24), the wheel disc (21) is located at the bottom of the groups of first blades (41), the circular rack (24) is slidably arranged at the bottom of the wheel disc (21), the fixing rods (22) are slidably connected to the inner side of the circular rack (24), and the groups of fixing grooves (23) are formed in two sides of the bottom of the wheel disc (21).

5. The multilayer centrifugal impeller as claimed in claim 4, wherein a mounting ring is fixedly connected to the inner side of the wheel disc (21), a rubber ring is sleeved on the bottom of the outer side of the fixing rod (22), and the fixing rod (22) and the fixing groove (23) are matched with each other.

6. The multilayer centrifugal impeller as claimed in claim 4, characterized in that the rim of the bottom of the wheel disc (21) is provided with an annular connecting groove, the annular rack (24) is located inside the annular connecting groove, and the annular rack (24) is meshed with the gear (43).