WO2018120453A1

WO2018120453A1 - Exhaust extension pipe, and blower applicable thereto

Info

Publication number: WO2018120453A1
Application number: PCT/CN2017/077743
Authority: WO
Inventors: 梁成林; 赵红梅; 雷威; 宋双喜; 肖佰显; 陈挥秀
Original assignee: 中山大洋电机股份有限公司
Priority date: 2016-12-29
Filing date: 2017-03-22
Publication date: 2018-07-05
Also published as: US20190316792A1; CN206360918U

Abstract

An exhaust extension pipe, and blower employing same. The exhaust extension pipe comprises an upper board (1), two side boards (2), and a lower board (3). An exhaust channel (4) is enclosed with the upper board (1), two side boards (2), and lower board (3). The exhaust channel (4) has a first air inlet port (41) at one end and a first air outlet port (42) on the other end. The lower board (3) is provided with a wind shield board (31) adjacent to the first air outlet port (42). By providing the wind shield board, the present invention enables adjustment of the magnitudes of an airflow and a static pressure, thus meeting requirements of different customers.

Description

Exhaust extension pipe and application blower thereof

Technical field:

The utility model relates to an exhaust extension pipe and an application air blower thereof.

Background technique:

The existing air blower comprises a motor, a volute and an impeller, and an inner cavity for accommodating the impeller is opened in the middle of the volute, and a second air inlet and an air outlet, a air inlet and a row are respectively opened on the bottom surface and the side surface of the volute The tuyere is connected with the inner cavity, and a mounting hole is formed on the top surface of the volute, and a mounting plate is mounted on the mounting hole, and the motor is mounted on the top surface of the mounting board, and the front end of the rotating shaft of the motor is from the middle of the mounting board The through hole extends into the inner cavity and is installed with the impeller, and the exhaust extension pipe is installed at the air outlet. When the wind is discharged from the exhaust extension pipe, the size of the air volume and the static pressure cannot be adjusted, and the air pressure cannot be satisfied. client needs.

Summary of the invention:

The purpose of the utility model is to provide an exhaust extension pipe and an application air blower thereof, and the problem that the size of the air volume and the static pressure cannot be adjusted can be solved by providing a windshield in the exhaust extension pipe.

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

An exhaust extension pipe includes a top plate, two side plates and a bottom plate, and an exhaust pipe is enclosed between the top plate, the two side plates and the bottom plate, one end of the exhaust pipe is a first air inlet, and the other end of the exhaust pipe is first The air outlet has a windshield on the bottom plate, and the wind deflector is located beside the first air outlet.

The windshield described above is perpendicular to the bottom plate.

One end of the bottom plate protrudes from the exhaust duct to form an extension plate, and the wind shield is disposed on the extension plate.

The windshield described above is located in the exhaust duct.

The top plate and the side plates described above are integrally formed.

The bottom sides of the two side plates extend outwardly from the convex flanges, and the two sides of the bottom plate extend out of the fastening edges, and the fastening edges enclose the convex flanges.

The exhaust duct described above is rectangular.

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 a second air inlet and a second air outlet are respectively opened on the bottom surface and the side surface of the volute, and the air inlet is respectively provided And the second air outlet is connected to the inner cavity, the motor is mounted on the volute, and the second air outlet is connected with an exhaust extension tube, and the exhaust extension tube is the exhaust extension tube described above.

The top surface of the volute is provided with a mounting hole, and 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 inner cavity is mounted inside the impeller

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

1) The exhaust extension pipe of the utility model is surrounded by an exhaust pipe between the top plate, the two side plates and the bottom plate, one end of the exhaust pipe is a first air inlet, and the other end of the exhaust pipe is a first air outlet, and the bottom plate is provided with a wind deflector, the wind deflector is located beside the first air outlet, and a second air inlet and a second air outlet are respectively formed on the bottom surface and the side surface of the volute, and an exhaust extension tube is connected to the second air outlet, and the air passage is connected The wind plate can adjust the size of the air volume and the size of the static pressure to meet different customer needs;

2) The windshield is perpendicular to the bottom plate and has a simple structure;

3) One end of the bottom plate protrudes from the exhaust duct to form an extension plate, and the wind shield is disposed on the extension plate. Or the windshield is located in the exhaust duct, and the layout of the wind deflector is flexible.

4) The bottom plate is provided with a windshield plate, and the bottom plates of the two side plates extend outwardly with a convex flange, the two sides of the bottom plate extend out of the buckle edge, the buckle edge wraps the convex flange, and the bottom plate and the two side plates are simply assembled. flexible.

BRIEF DESCRIPTION OF THE DRAWINGS:

Figure 1 is a perspective view of the first embodiment;

Figure 2 is an exploded perspective view of the first embodiment;

Figure 3 is a front elevational view of the first embodiment;

Figure 4 is a cross-sectional view taken along line A-A of Figure 3;

Figure 5 is a cross-sectional view taken along line B-B of Figure 3;

Figure 6 is a perspective view of the second embodiment;

Figure 7 is a perspective view of the third embodiment;

Figure 8 is another perspective view of the third embodiment;

Figure 9 is an exploded perspective view of the third embodiment;

Figure 10 is a front elevational view of the third embodiment;

Figure 11 is a cross-sectional view taken along line C-C of Figure 10.

detailed description:

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

Embodiment 1 As shown in FIG. 1 to FIG. 5, this embodiment is an exhaust extension pipe, which comprises a top plate 1, two side plates 2 and a bottom plate 3, and a top plate 1, two side plates 2 and a bottom plate 3 are enclosed. The exhaust duct 4, one end of the exhaust duct 4 is a first air inlet 41, the other end of the exhaust duct 4 is a first air outlet 42, the bottom plate 3 is provided with a wind deflector 31, and the wind deflector 31 is located at the first air outlet 42 Next.

The wind deflector 31 is perpendicular to the bottom plate 3.

One end of the bottom plate 3 protrudes from the exhaust duct 4 to form an extension plate 32, and the wind shield 31 is disposed on the extension plate 32.

The top plate 1 and the side plates 2 are integrally formed.

The bottom of the two side plates 2 extends outwardly from the convex flange 21, and the two sides of the bottom plate 3 extend out of the fastening edge 33, and the fastening edge 33 encloses the convex flange 21.

The exhaust duct 4 is rectangular.

Embodiment 2: As shown in FIG. 6, this embodiment is an improvement to the first embodiment. The main modification is that the wind deflector 31 is located in the exhaust duct 4.

Embodiment 3: As shown in FIG. 7 to FIG. 11, a blower includes a motor 5, a volute 6 and an impeller 7, and an internal cavity 61 for accommodating the impeller 7 is opened in the middle of the volute 6, in the volute 6. A second air inlet 62 and a second air outlet 63 are respectively defined on the bottom surface and the side surface. The second air inlet 62 and the second air outlet 63 are both connected to the inner cavity 61. The motor 5 is mounted on the volute 6, and the second air outlet is installed. An exhaust extension tube is connected at 63, and the exhaust extension tube is an exhaust extension tube according to the first embodiment, and the volute and the exhaust extension tube may be integrally formed or linked by a screw. a screw hole 8 is disposed in the first air inlet 41 of the exhaust extension tube, and a screw hole 8 is disposed in the second air outlet 63 of the volute 6. The first air inlet 41 of the exhaust extension tube and the second outlet of the volute The tuyere 63 is locked and connected by screws 9.

A mounting hole 64 is defined in a top surface of the volute 6, and a mounting plate 65 is mounted on the mounting hole 64. The machine 5 is mounted on the top surface of the mounting plate 65, and the front end portion of the rotating shaft 51 of the motor 5 projects from the through hole 66 in the middle of the mounting plate 65 into the internal cavity 61 to be mounted with the impeller 7.

The invention principle: the exhaust extension pipe of the utility model, the top plate 1, the two side plates 2 and the bottom plate 3 enclose an exhaust duct 4, one end of the exhaust duct 4 is a first air inlet 41, and the other end of the exhaust duct 4 is a An air outlet 42 is provided with a wind deflector 31. The wind deflector 31 is located beside the first air outlet 42. A second air inlet 62 and a second air outlet 63 are respectively defined on the bottom surface and the side surface of the volute 6. An exhaust extension pipe is connected to the second air outlet 63. The air deflector 31 is provided, and the air volume and the static pressure can be adjusted to meet different customer requirements; the wind deflector 31 is perpendicular to the bottom plate 3, and has a simple structure. One end of the bottom plate 3 protrudes from the exhaust duct 4 to form an extension plate 32, the wind shield 31 is disposed on the extension plate 32 or the wind shield 31 is located in the exhaust duct 4, and the layout position of the wind shield 31 is flexible; The windshield 31 is provided, and the bottom of the two side plates 2 extends outwardly with a convex flange 21, and the two sides of the bottom plate 3 extend out of the fastening edge 33, and the fastening edge 33 encloses the convex flange 21, and the bottom plate 3 and the two The side panel 2 is simple and flexible to assemble.

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

An exhaust extension pipe includes a top plate (1), two side plates (2) and a bottom plate (3), and an exhaust pipe is enclosed between the top plate (1), the two side plates (2) and the bottom plate (3) (4) The exhaust duct (4) has a first air inlet (41) at one end and a first air outlet (42) at the other end of the exhaust duct (4), wherein the bottom plate (3) is provided with a wind deflector ( 31) The windshield (31) is located beside the first air outlet (42).
An exhaust extension pipe according to claim 1, characterized in that the wind deflector (31) is perpendicular to the bottom plate (3).
An exhaust extension pipe according to claim 2, characterized in that one end of the bottom plate (3) protrudes from the exhaust duct (4) to form an extension plate (32), and the wind shield (31) is arranged to extend On the board (32).
An exhaust extension pipe according to claim 2, characterized in that the wind deflector (31) is located in the exhaust duct (4).
An exhaust extension pipe according to claim 1, 2, 3 or 4, characterized in that the top plate (1) and the side plates (2) are integrally formed.
The exhaust extension tube according to claim 5, wherein the bottom sides of the two side plates (2) extend outwardly from the convex flanges (21), and the two sides of the bottom plate (3) extend out of the fastening edges ( 33), the buckle edge (33) wraps the convex flange (21).
An exhaust extension pipe according to claim 6, characterized in that the exhaust duct (4) is rectangular.
A blower comprising an electric motor (5), a volute (6) and an impeller (7), and an inner cavity (61) for accommodating the impeller (7) is opened in the middle of the volute (6), in the volute (6) A second air inlet (62) and a second air outlet (63) are respectively defined on the bottom surface and the side surface, and the second air inlet (62) and the second air outlet (63) are both connected to the internal cavity (61), and the motor 5) mounted on the volute (6), and an exhaust extension tube is connected to the second air outlet (63), wherein the exhaust extension tube is any one of claims 1 to 7. Exhaust extension tube.
A blower according to claim 8, characterized in that on the top surface of the volute (6) A mounting hole (64) is opened, and a mounting plate (65) is mounted on the mounting hole (64). The motor (5) is mounted on the top surface of the mounting plate (65), and the front end of the rotating shaft (51) of the motor (5) The portion extends from the through hole (66) in the middle of the mounting plate (65) into the inner cavity (61) and is mounted with the impeller (7).