CN219101690U

CN219101690U - Impeller for centrifugal ventilator

Info

Publication number: CN219101690U
Application number: CN202223465639.6U
Authority: CN
Inventors: 陈海华; 粘素环; 李海伟
Original assignee: Fengfengjia Fan Shanghai Co ltd
Current assignee: Fengfengjia Fan Shanghai Co ltd
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-05-30
Anticipated expiration: 2032-12-26

Abstract

The utility model discloses an impeller for a centrifugal ventilator, and relates to the technical field of centrifugal ventilators. The utility model comprises a wheel frame, wherein the wheel frame is fixedly connected with a supporting frame, the front end surface of the supporting frame is fixedly connected with a bearing, the bearing is fixedly connected with a rotating shaft, the front end surface of the rotating shaft is connected with a mounting plate, the mounting plate is provided with a plurality of fixing grooves, the fixing grooves are matched with a fixing frame, the fixing grooves are connected with the fixing frame through first bolts, and the fixing frame is welded with blades. According to the utility model, the mounting plate is connected with the fixing frame through the first bolt, so that the blade can be conveniently installed and detached, the replacement cost is reduced, the mounting plate can be rapidly positioned and assembled conveniently by inserting the positioning column into the positioning groove, the rotating shaft is connected with the mounting plate through the second bolt, the mounting plate can be rapidly installed and detached, the damper can inhibit the reciprocating motion of the spring, the damping effect is improved, the telescopic column slides along the accommodating cylinder during vibration, and the spring is stressed to deform and absorb kinetic energy for damping.

Description

Impeller for centrifugal ventilator

Technical Field

The utility model belongs to the technical field of centrifugal ventilators, and particularly relates to an impeller for a centrifugal ventilator.

Background

The blade of the impeller for the existing centrifugal ventilator is generally directly welded with the mounting plate, when one of the blades is damaged in the use process, the whole impeller can only be replaced, so that the replacement cost is high, and the use cost is increased.

In order to solve the problems, the utility model provides an impeller for a centrifugal fan.

Disclosure of Invention

The utility model aims to provide an impeller for a centrifugal ventilator, which solves the problems that when one of blades is damaged in the use process, the whole impeller can only be replaced, so that the replacement cost is high and the use cost is increased.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to an impeller for a centrifugal ventilator, which comprises a wheel frame, wherein the wheel frame is fixedly connected with a supporting frame, the front end surface of the supporting frame is fixedly connected with a bearing, the bearing is fixedly connected with a rotating shaft, the front end surface of the rotating shaft is connected with a mounting plate, the mounting plate is provided with a plurality of fixing grooves, the fixing grooves are provided with fixing frames in a matched manner, the fixing grooves are connected with the fixing frames through first bolts, the fixing frames are welded with blades, the mounting plate is connected with the fixing frames through first bolts, the mounting plate is convenient to mount and dismount, the blades are replaced, and the replacement cost is reduced.

Preferably, the constant head tank has been seted up to the preceding terminal surface of pivot, the rear end face welding of mounting disc has the reference column, reference column and constant head tank sliding connection are through inserting the reference column in the constant head tank, can fix a position the mounting disc fast, convenient equipment.

Preferably, the screw hole has been seted up to pivot and mounting disc, screw hole threaded connection has the second bolt, and pivot and mounting disc pass through second bolted connection, can install and dismantle fast.

Preferably, a supporting seat is welded on the lower surface of the wheel frame.

Preferably, the supporting seat is fixedly connected with a damper, the damper is fixedly connected with a bottom plate, and the damper inhibits the reciprocating motion of the spring, so that the damping effect is improved.

Preferably, the upper surface fixedly connected with of bottom plate holds a plurality of section of thick bamboo, the lower surface fixedly connected with telescopic column of supporting seat, telescopic column and the inner wall sliding connection who holds a section of thick bamboo, telescopic column coaxial is provided with the spring, and telescopic column slides along holding a section of thick bamboo during vibrations, and the spring atress warp absorption kinetic energy shock attenuation.

Preferably, the upper end of the spring is fixedly connected with the supporting seat, and the lower end of the spring is fixedly connected with the accommodating cylinder.

The utility model has the following beneficial effects:

according to the utility model, the mounting plate is connected with the fixing frame through the first bolt, so that the blade can be conveniently installed and detached, the replacement cost is reduced, the mounting plate can be rapidly positioned and assembled conveniently by inserting the positioning column into the positioning groove, the rotating shaft is connected with the mounting plate through the second bolt, the mounting plate can be rapidly installed and detached, the damper can inhibit the reciprocating motion of the spring, the damping effect is improved, the telescopic column slides along the accommodating cylinder during vibration, and the spring is stressed to deform and absorb kinetic energy for damping.

Of course, it is not necessary for any one product to practice the utility model to achieve all of the advantages set forth above at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view showing the overall structure of an impeller for a centrifugal fan according to the present utility model;

FIG. 2 is a front view of an impeller for a centrifugal fan according to the present utility model;

FIG. 3 is a top view of an impeller for a centrifugal fan according to the present utility model;

FIG. 4 is a left side view of an impeller for a centrifugal fan of the present utility model;

FIG. 5 is a schematic view of the cross-sectional structure A-A in FIG. 2.

In the drawings, the list of components represented by the various numbers is as follows:

1. a wheel frame; 2. a support frame; 3. a bearing; 4. a rotating shaft; 5. a mounting plate; 6. a fixing groove; 7. a fixing frame; 8. a first bolt; 9. a blade; 10. a positioning groove; 11. positioning columns; 12. a threaded hole; 13. a second bolt; 14. a support base; 15. a damper; 16. a bottom plate; 17. a receiving cylinder; 18. a telescopic column; 19. and (3) a spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "upper," "middle," "outer," "inner," and the like indicate an orientation or a positional relationship, and are merely for convenience of describing the present utility model and simplifying the description, but do not indicate or imply that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1-5, the utility model discloses an impeller for a centrifugal ventilator, which comprises a wheel frame 1, wherein the wheel frame 1 is fixedly connected with a supporting frame 2, the front end surface of the supporting frame 2 is fixedly connected with a bearing 3, the bearing 3 is fixedly connected with a rotating shaft 4, the front end surface of the rotating shaft 4 is connected with a mounting plate 5, the mounting plate 5 is provided with a plurality of fixing grooves 6, the fixing grooves 6 are provided with fixing frames 7 in a matching way, the fixing grooves 6 are connected with the fixing frames 7 through first bolts 8, blades 9 are welded on the fixing frames 7, the mounting plate 5 is connected with the fixing frames 7 through the first bolts 8, the blades 9 are convenient to mount and dismount and replace, and the replacement cost is reduced.

The constant head tank 10 has been seted up to the preceding terminal surface of pivot 4, and the rear end face welding of mounting disc 5 has reference column 11, and reference column 11 and constant head tank 10 sliding connection are through inserting reference column 11 in the constant head tank 10, can fix a position mounting disc 5 fast, and convenient equipment, screw hole 12 has been seted up to pivot 4 and mounting disc 5, and screw hole 12 threaded connection has second bolt 13, and pivot 4 passes through second bolt 13 with mounting disc 5 to be connected, can install fast and dismantle.

The lower surface of the wheel frame 1 is welded with a supporting seat 14.

The upper surface fixedly connected with of bottom plate 16 holds a plurality of section of thick bamboo 17, and the lower surface fixedly connected with telescopic column 18 of supporting seat 14, telescopic column 18 and the inner wall sliding connection who holds section of thick bamboo 17, telescopic column 18 coaxial are provided with spring 19, and telescopic column 18 slides along holding section of thick bamboo 17 during vibrations, and spring 19 atress deformation absorbs kinetic energy shock attenuation, and supporting seat 14 fixedly connected with attenuator 15, attenuator 15 fixedly connected with bottom plate 16, the reciprocating motion of attenuator 15 suppression spring 19 improves the shock attenuation effect.

The upper end of the spring 19 is fixedly connected with the supporting seat 14, and the lower end of the spring 19 is fixedly connected with the accommodating cylinder 17.

As shown in fig. 1 to 5, the present embodiment is an impeller for a centrifugal fan, and the basic principle of the present utility model is as follows: through inserting reference column 11 in constant head tank 10, can be fast with mounting disc 5 location, convenient equipment, pivot 4 passes through second bolt 13 with mounting disc 5 and is connected, can install fast and dismantle, link together mounting disc 5 and mount 7 through first bolt 8, easy to assemble and dismantle change blade 9, reduce the cost of change, telescopic column 18 slides along holding section of thick bamboo 17 during vibrations, spring 19 atress deformation absorbs kinetic energy shock attenuation, damper 15 suppresses the reciprocating motion of spring 19, improves the shock attenuation effect.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims

1. Impeller for centrifugal fan, including rim (1), its characterized in that: the novel wheel comprises a wheel frame (1), a supporting frame (2) is fixedly connected to the wheel frame (1), a bearing (3) is fixedly connected to the front end face of the supporting frame (2), a rotating shaft (4) is fixedly connected to the bearing (3), a mounting disc (5) is connected to the front end face of the rotating shaft (4), a plurality of fixing grooves (6) are formed in the mounting disc (5), fixing frames (7) are arranged in the fixing grooves (6) in a matched mode, the fixing grooves (6) are connected with the fixing frames (7) through first bolts (8), and blades (9) are welded to the fixing frames (7).

2. The impeller for the centrifugal fan according to claim 1, wherein a positioning groove (10) is formed in the front end face of the rotating shaft (4), a positioning column (11) is welded on the rear end face of the mounting plate (5), and the positioning column (11) is in sliding connection with the positioning groove (10).

3. Impeller for centrifugal ventilators according to claim 2, wherein the shaft (4) and the mounting plate (5) are provided with threaded holes (12), the threaded holes (12) being screwed with second bolts (13).

4. A centrifugal fan impeller according to claim 3, wherein the lower surface of the wheel frame (1) is welded with a support base (14).

5. Impeller for centrifugal ventilators according to claim 4, wherein the support (14) is fixedly connected with a damper (15), the damper (15) being fixedly connected with a bottom plate (16).

6. The impeller for the centrifugal fan according to claim 5, wherein the plurality of accommodating cylinders (17) are fixedly connected to the upper surface of the bottom plate (16), the telescopic columns (18) are fixedly connected to the lower surface of the supporting seat (14), the telescopic columns (18) are slidably connected with the inner walls of the accommodating cylinders (17), and springs (19) are coaxially arranged on the telescopic columns (18).

7. An impeller for a centrifugal fan according to claim 6, characterized in that the upper end of the spring (19) is fixedly connected with the support base (14), and the lower end of the spring (19) is fixedly connected with the accommodating cylinder (17).