WO2016033975A1

WO2016033975A1 - Air blower

Info

Publication number: WO2016033975A1
Application number: PCT/CN2015/077129
Authority: WO
Inventors: 杨峰; 于跃强
Original assignee: 中山大洋电机制造有限公司
Priority date: 2014-09-03
Filing date: 2015-04-21
Publication date: 2016-03-10
Also published as: CN204099245U

Abstract

Disclosed is an air blower, comprising an electric motor (1), a volute (2), and an impeller (3), wherein the middle of the volute (2) is provided with an inner cavity (21) for accommodating the impeller (3), a bottom surface and a side surface of the volute (2) are respectively provided with an air inlet (22) and an air outlet (23), the air inlet (22) and the air outlet (23) being connected to the inner cavity (21); and a top surface of the volute (2) is provided with a mounting hole (24), a mounting plate (4) is mounted above the mounting hole (24), the electric motor (1) is mounted on a top surface of the mounting plate (4), a front end part of a rotating shaft (11) of the electric motor (1) extends into the inner cavity (21) through a through-hole (40) in the middle of the mounting plate (4) and is mounted together with the impeller (3). The structure is simple, which can achieve that different series of motors adapt to various volutes, thereby reducing the varieties of the volute modules and the electric motors, being beneficial to the standardization of the product, and reducing the production cost.

Description

Air blower

Technical field:

The utility model relates to a blower.

Background technique:

The existing blower structure comprises a motor, a volute and an impeller. The top surface of the volute is provided with a plurality of mounting holes, and the motor is supported and mounted on the top surface of the volute through a plurality of mounting holes, and the rotating shaft of the motor passes through the top of the volute The surface extends into the volute and is connected to the impeller. However, due to the different sizes of the different series of motors, different series of motors require different mounting pitches. Therefore, it is necessary to configure a volute for each series of motors. It is necessary to cause many types of volutes, and it is necessary to develop a plurality of sets of volute molds, which are difficult to manage, have poor versatility and high production cost.

Summary of the invention:

The purpose of the utility model is to provide a blower. The structure is simple, and can realize different types of motors to adapt to various volutes, reduce the types of volute molds and motors, facilitate product standardization, and reduce production costs.

The object of the present invention is achieved by the following technical solutions.

A blower includes a motor, a volute and an impeller, and an inner cavity for accommodating the impeller is opened in the middle of the volute, and an air inlet and an air outlet are respectively formed on the bottom surface and the side surface of the volute, and the air inlet and the air outlet are respectively Connected to the internal cavity, a mounting hole is formed on the top surface of the volute, a mounting plate is mounted on the mounting hole, the motor is mounted on the top surface of the mounting plate, and the front end of the rotating shaft of the motor is through the through hole in the middle of the mounting plate Extend into the internal cavity and install it with the impeller.

The mounting plate described above is mounted with the volute by screws, and a plurality of first screw holes are circumferentially opened on the outer edge of the mounting plate, and the screws pass through the first screw holes and are screwed into the volute to install the mounting plate and The volutes are mounted together.

The motor described above is mounted together with the mounting plate by a bolt and nut mechanism, and a plurality of second screw holes are circumferentially opened on the outer edge of the mounting plate, and the motor is supported on the top surface of the mounting plate through the mounting bracket, and the bolt passes through Two screw holes and the mounting bracket are tightened with the nut.

The mounting bracket described above is supported on the top surface of the mounting plate by a damper plate.

The volute and mounting plate described above are sealed and mounted together.

Compared with the prior art, the utility model has the following effects:

1) a mounting hole is formed on the top surface of the volute, a mounting plate is mounted on the mounting hole, and the motor is mounted on the top surface of the mounting plate, and the front end portion of the rotating shaft of the motor extends from the through hole in the middle of the mounting plate to the inside The inside of the cavity is mounted with the impeller. The structure is simple. By using the mounting plate to mount the motor and the volute, it is possible to achieve different series of motors to fit a variety of volutes, and to reduce the types of volute molds and motors. Standardization of products to reduce production costs;

2) The mounting plate is mounted with the volute by screws, and a plurality of first screw holes are circumferentially opened on the outer edge of the mounting plate, and the screws pass through the first screw holes and are screwed into the volute to install the mounting plate and the volute Installed together, the structure is simple, and the installation is convenient. By adjusting the position of the first screw hole, the mounting plate can be adapted to a variety of volutes, reducing the type of the volute mold, and facilitating product standardization;

3) The motor is mounted together with the mounting plate by a bolt and nut mechanism, and a plurality of second screw holes are circumferentially opened on the outer edge of the mounting plate, and the motor is supported on the top surface of the mounting plate through the mounting bracket, and the bolt passes through the second screw After the hole and the mounting bracket are screwed and matched with the nut, the structure is simple, and the installation is convenient and firm. By adjusting the pitch of the second screw hole, the mounting plate can be adapted to different series of motors, which is beneficial to product standardization and cost reduction;

4) The mounting bracket is supported on the top surface of the mounting plate by the damping plate to improve the shock absorption effect of the air blower, reduce the negative effects caused by the vibration of the motor during operation, and improve the working stability;

5) The volute and the mounting plate are sealed and installed together, and the sealing effect is good. It avoids the water or other debris entering the volute and affects the rotation of the impeller. The work is stable and the reliability is high.

BRIEF DESCRIPTION OF THE DRAWINGS:

Figure 1 is a perspective view of the air blower of the present invention;

Figure 2 is another perspective view of the air blower of the present invention;

Figure 3 is an exploded view of the air blower of the present invention;

Figure 4 is a plan view of the air blower of the present invention;

Figure 5 is a cross-sectional view taken along line A-A of Figure 4;

Figure 6 is a partial enlarged view of B-B of Figure 5.

detailed description:

The present invention will be further described in detail below through the specific embodiments and the accompanying drawings.

As shown in FIG. 1 to FIG. 6 , the utility model relates to a blower, which comprises a motor 1 , a volute 2 and an impeller 3 , and an inner cavity 21 for accommodating the impeller 3 is arranged in the middle of the volute 2 , and the volute 2 is arranged An air inlet 22 and an air outlet 23 are respectively defined on the bottom surface and the side surface, and the air inlet 22 and the air outlet 23 communicate with the inner cavity 21, and a mounting hole 24 is formed on the top surface of the volute 2 on the mounting hole 24. Mounted with a mounting plate 4, the motor 1 is mounted on the top surface of the mounting plate 4, and the front end portion of the rotating shaft 11 of the motor 1 extends from the through hole 40 in the middle of the mounting plate 4 into the inner cavity 21 to be mounted with the impeller 3. The mounting plate 4 is mounted with the volute 2 by screws 5, and a plurality of first screw holes 41 are circumferentially opened on the outer edge of the mounting plate 4, and the screws 5 pass through the first screw holes 41 and are screwed into the volute 2 The mounting plate 4 and the volute 2 are mounted together. The motor 1 is mounted together with the mounting plate 4 by a bolt and nut mechanism, and a plurality of second screw holes 42 are circumferentially opened on the outer edge of the mounting plate 4, and the motor 1 is supported on the top surface of the mounting plate 4 by the mounting bracket 6, the bolt After passing through the second screw hole 42 and the mounting bracket 6, the screw 71 is screwed into engagement with the nut 72. The mounting bracket 6 is supported by the damper plate 8 on the top surface of the mounting plate 4. The volute 2 and the mounting plate 4 are sealed and mounted together, and the volute 2 may be mounted on the top surface of the mounting plate 4 through a sealing gasket. The specific sealing mounting structure is not limited.

The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited thereto, and any other changes, modifications, substitutions, combinations, and simplifications made without departing from the spirit and scope of the present invention are equivalent. The manner of replacement is included in the scope of protection of the present invention.

Claims

A blower comprising a motor (1), a volute (2) and an impeller (3), and an internal cavity (21) for accommodating the impeller (3) is opened in the middle of the volute (2), in the volute (2) An air inlet (22) and an air outlet (23) are respectively defined on the bottom surface and the side surface, and the air inlet (22) and the air outlet (23) are both connected to the inner cavity (21), and are characterized in that: in the volute ( 2) The mounting hole (24) is mounted on the top surface, and the mounting plate (4) is mounted on the mounting hole (24). The motor (1) is mounted on the top surface of the mounting plate (4), and the motor (1) The front end portion of the rotating shaft (11) projects from the through hole (40) in the middle of the mounting plate (4) into the inner cavity (21) and is mounted with the impeller (3).
A blower according to claim 1, characterized in that the mounting plate (4) is mounted with the volute (2) by means of screws (5), and a plurality of circumferential openings are provided on the outer edge of the mounting plate (4). The first screw hole (41), the screw (5) passes through the first screw hole (41) and is screwed into the volute (2) to mount the mounting plate (4) and the volute (2) together.
A blower according to claim 1 or 2, characterized in that the motor (1) is mounted together with the mounting plate (4) by means of a bolt and nut mechanism, and a plurality of circumferential openings are provided on the outer edge of the mounting plate (4). a second screw hole (42), the motor (1) is supported on the top surface of the mounting plate (4) through the mounting bracket (6), and the bolt (71) passes through the second screw hole (42) and the mounting bracket (6) Tighten with the nut (72).
A blower according to claim 3, characterized in that the mounting bracket (6) is supported on the top surface of the mounting plate (4) via a damping plate (8).
A blower according to claim 1 or 2, characterized in that the volute (2) and the mounting plate (4) are sealed and mounted together.