CN213450957U

CN213450957U - Novel centrifugal fan impeller

Info

Publication number: CN213450957U
Application number: CN202022638202.2U
Authority: CN
Inventors: 高峰
Original assignee: Jiujiang Xunxing Ventilation Equipment Co ltd
Current assignee: Jiujiang Xunxing Ventilation Equipment Co ltd
Priority date: 2020-11-14
Filing date: 2020-11-14
Publication date: 2021-06-15
Anticipated expiration: 2030-11-14

Abstract

The utility model provides a novel centrifugal fan impeller, which comprises a first wheel disc and a second wheel disc, the first wheel disc and the second wheel disc are symmetrically provided with a plurality of limiting holes, the first wheel disc and the second wheel disc are fixedly connected with blades through the limiting holes, the first wheel disc is provided with a fixing hole, a connecting block is fixedly connected in the fixing hole, one end of the connecting block is fixedly connected with an outer disc, the outer disc is contacted with the outer wall of the first wheel disc, the other end of the connecting block is fixedly connected with an inner disc, the inner disc is contacted with the inner wall of the first wheel disc, the inner disc is fixedly connected with a fixed disc, the fixed disc is integrally formed with a fixed ring, the fixed ring is provided with a through hole, the through hole runs through solid fixed ring and extends in outer dish outer wall, the utility model discloses simple structure, the impeller of being convenient for dismantles the installation, improves the joining in marriage of dress efficiency of impeller, can effectively realize the clearance of impeller daily maintenance.

Description

Novel centrifugal fan impeller

Technical Field

The utility model relates to a centrifugal fan's technical field specifically is a novel centrifugal fan impeller.

Background

The centrifugal fan is a driven fluid machine which increases the pressure of gas and discharges the gas by means of input mechanical energy. Centrifugal fans are widely used in ventilation, dust removal 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 hovercraft aerify and impel etc, for example application number is 201720017000.1's patent, a centrifugal fan impeller, including the end links and with the relative rim plate that sets up of end links, be provided with a plurality of blades between end links and the rim plate, the blade both ends all are provided with and are used for the solid fixed ring together with a plurality of blades, rim plate edge all is provided with the turn-ups that turns over to the blade end with the end links edge, gu fixed ring wraps up in the turn-ups, set up a plurality of radial archs by rim plate middle part to the rim plate outer lane on the rim plate, though through setting up solid fixed ring and arch, can make the intensity of rim plate and the intensity greatly increased of end links, reduce the condition that the rim plate takes place the vibration under the air current effect to a certain extent when using, but use long back impeller memory is in a large.

SUMMERY OF THE UTILITY MODEL

The utility model mainly provides a novel centrifugal fan impeller for solve the technical problem who proposes among the above-mentioned background art.

The utility model provides a technical scheme that above-mentioned technical problem adopted does:

a novel centrifugal fan impeller comprises a first wheel disc and a second wheel disc, wherein the first wheel disc and the second wheel disc are symmetrically provided with a plurality of limiting holes, the first wheel disc and the second wheel disc are fixedly connected with blades through limiting holes, the first wheel disc is provided with fixing holes, a connecting block is fixedly connected in the fixed hole, one end of the connecting block is fixedly connected with an outer disc, the outer disc is contacted with the outer wall of the first wheel disc, the other end of the connecting block is fixedly connected with an inner disc, the inner disc is contacted with the inner wall of the first wheel disc, a fixed disc is fixedly connected on the inner disc, integrated into one piece has solid fixed ring on the fixed disk, gu be equipped with the through hole on the fixed ring, the through hole runs through solid fixed ring and extends in outer dish outer wall, the utility model discloses simple structure, the installation is dismantled to the impeller of being convenient for, improves the dress efficiency of joining in marriage of impeller, can effectively realize the clearance of impeller daily maintenance.

Furthermore, a groove is symmetrically arranged on the inner wall of each limiting hole, and the limiting holes and the groove are combined and matched with the shaft cover.

Furthermore, two groups of connecting shafts are symmetrically and fixedly connected to two sides of the blade, so that the shaft cover can be conveniently fixed.

Furthermore, one end of the connecting shaft, which is not in contact with the blades, is fixedly connected with a shaft cover through threads, and the blades are fixed.

Furthermore, the cross section of the shaft cover is T-shaped, the shaft cover is matched with the limiting hole and the groove, and the connecting shaft is fixed through the matching of the limiting hole and the groove and the shaft cover.

Furthermore, a second step hole is formed in the outer disc and is matched with the connecting block, and the outer disc is convenient to fix.

Furthermore, the inner disc is provided with a first step hole, and the first step hole is matched with the connecting block, so that the inner disc is convenient to fix.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a spacing hole and the recess of design on first rim plate, the second rim plate, with the connecting axle of design on the blade, the axle cap of connecting on the connecting axle, through axle cap and spacing hole, the installation has effectively been realized dismantling to the blade in the recess cooperation, and is further, through the connecting block of design on the first rim plate, the connecting block is connected with outer dish, inner disc and has effectively realized the clearance of impeller daily maintenance.

The present invention will be explained in detail with reference to the drawings and specific embodiments.

Drawings

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

FIG. 2 is a schematic view of a partial structure of the present invention;

FIG. 3 is an enlarged schematic view of the blade of the present invention;

fig. 4 is an enlarged schematic structural view of the first wheel disc of the present invention;

fig. 5 is a schematic view of a partial cross-sectional structure of the present invention;

fig. 6 is an enlarged schematic view of the inner plate of the present invention.

In the figure: 1. a first wheel disc; 2. a second wheel disc; 3. a blade; 11. an inner disc; 12. a limiting hole; 13. a fixing hole; 14. an outer disc; 15. connecting blocks; 31. a connecting shaft; 111. fixing the disc; 112. a fixing ring; 113. a first stepped bore; 121. a groove; 141. a second stepped bore; 311. a shaft cover; 112a, through holes.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully with reference to the accompanying drawings, in which several embodiments of the present invention are shown, but the present invention can be implemented in different forms, and is not limited to the embodiments described in the text, but rather, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the use of the term knowledge in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Please refer to fig. 1-6, a novel centrifugal fan impeller includes a first wheel disc 1 and a second wheel disc 2, the first wheel disc 1 and the second wheel disc 2 are symmetrically provided with a plurality of limiting holes 12, the first wheel disc 1 and the second wheel disc 2 are fixedly connected with blades 3 through the limiting holes 12, the first wheel disc 1 is provided with a fixing hole 13, a connecting block 15 is fixedly connected in the fixing hole 13, one end of the connecting block 15 is fixedly connected with an outer disc 14, the outer disc 14 is contacted with the outer wall of the first wheel disc 1, the other end of the connecting block 15 is fixedly connected with an inner disc 11, the inner disc 11 is contacted with the inner wall of the first wheel disc 1, the inner disc 11 is fixedly connected with a fixing disc 111, the fixing disc 111 is integrally formed with a fixing ring 112, the fixing ring 112 is provided with a through hole 112a, the through hole 112a extends to the outer wall of the outer disc 14, the utility model discloses simple structure, the impeller of being convenient for dismantles the installation, improves the dress efficiency of joining in marriage of impeller, can effectively realize the clearance of impeller daily maintenance.

Please refer to fig. 1-3 again, the inner wall of each limiting hole 12 is symmetrically provided with a groove 121, two sides of the blade 3 are symmetrically and fixedly connected with two sets of connecting shafts 31, one end of each connecting shaft 31, which is not in contact with the blade 3, is fixedly connected with a shaft cover 311 through threads, the cross section of the shaft cover 311 is T-shaped, and the shaft cover 311 is engaged with the limiting holes 12 and the grooves 121, so as to facilitate the detachment and installation of the blade 3.

Please refer to fig. 1, 2, 4, and 5 again, a second stepped hole 141 is formed in the outer disc 14, the second stepped hole 141 is engaged with the connecting block 15, a first stepped hole (113) is formed in the inner disc 11, and the first stepped hole (113) is engaged with the connecting block 15, so that the outer disc 14, the inner disc 11, and the connecting block 15 can be conveniently detached and installed.

The utility model discloses a concrete operation as follows:

the utility model discloses when carrying out the daily maintenance clearance, at first will install the axle cap 311 on second rim plate 2 and take off, take out second rim plate 2 outwards after axle cap 311 takes off, then take off blade 3 from first rim plate 1 and maintain the inspection, after inspection blade 3, rotate outer dish 14 and take out from connecting block 15, rotate inner disc 11 again and take out from connecting block 15 to maintain the clearance to connecting block 15 and inner disc 11, outer dish 14.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, if the method and the technical solution of the present invention are adopted, the present invention can be directly applied to other occasions without substantial improvement, and the present invention is within the protection scope of the present invention.

Claims

1. A novel centrifugal fan impeller comprises a first wheel disc (1) and a second wheel disc (2), and is characterized in that the first wheel disc (1) and the second wheel disc (2) are symmetrically provided with a plurality of limiting holes (12), the first wheel disc (1) and the second wheel disc (2) are fixedly connected with blades (3) through the limiting holes (12), the first wheel disc (1) is provided with a fixed hole (13), the fixed hole (13) is internally and fixedly connected with a connecting block (15), one end of the connecting block (15) is fixedly connected with an outer disc (14), the outer disc (14) is in contact with the outer wall of the first wheel disc (1), the other end of the connecting block (15) is fixedly connected with an inner disc (11), the inner disc (11) is in contact with the inner wall of the first wheel disc (1), the inner disc (11) is fixedly connected with a fixed disc (111), and the fixed disc (111) is integrally formed with a fixed ring (112), the fixing ring (112) is provided with a through hole (112a), and the through hole (112a) penetrates through the fixing ring (112) and extends to the outer wall of the outer disc (14).

2. The new centrifugal fan impeller as claimed in claim 1, wherein each of the limiting holes (12) has a groove (121) symmetrically formed on the inner wall.

3. A new type of centrifugal fan impeller according to claim 1, characterized in that two sets of connecting shafts (31) are fixedly connected symmetrically on both sides of the blade (3).

4. A new type of centrifugal fan impeller according to claim 3, characterized in that the end of the connection shaft (31) not in contact with the blades (3) is fixedly connected with a shaft cover (311) by means of a screw thread.

5. The novel centrifugal fan impeller as claimed in claim 4, wherein the cross section of the shaft cover (311) is T-shaped, and the shaft cover (311) is engaged with the limiting hole (12) and the groove (121).

6. A new centrifugal fan impeller according to claim 1, characterized in that the outer disc (14) is provided with a second stepped hole (141), said second stepped hole (141) being adapted to the connection block (15).

7. The new centrifugal fan impeller as claimed in claim 1, wherein the inner disc (11) is provided with a first stepped hole (113), and the first stepped hole (113) is engaged with the connecting block (15).