CN217270943U

CN217270943U - Novel roof diagonal flow fan

Info

Publication number: CN217270943U
Application number: CN202221098828.1U
Authority: CN
Inventors: 黄冠
Original assignee: Shenzhen Hongguan Mechatronics Co ltd
Current assignee: Shenzhen Hongguan Mechatronics Co ltd
Priority date: 2022-05-07
Filing date: 2022-05-07
Publication date: 2022-08-23
Anticipated expiration: 2032-05-07

Abstract

The utility model provides a novel roof diagonal flow fan, include: the centrifugal fan comprises a top cover, a support, a motor, centrifugal fan blades and a bottom plate; the bottom plate center is provided with a vent, and evenly distributed has four stabilizer blade assemblies around the vent, the top cap is installed at the top of four stabilizer blade assemblies, the support is located the top cap below is fixed on four stabilizer blade assemblies, the support comprises four mutually perpendicular's branch for the cross, each branch is fixed on a stabilizer blade assembly, the motor is installed the central point of support puts, centrifugal fan installs on the motor, install electric capacity and binding post on two adjacent branches respectively, the motor respectively with electric capacity and binding post electricity are connected. The utility model solves the problem of rain leakage through the top cover structure; the problem of high noise is solved by matching the purse net structure with the motor; the fan blade is researched by adopting fluid dynamics to achieve the effects of high wind pressure, large wind volume, high efficiency, low energy consumption and low noise.

Description

Novel roof diagonal flow fan

Technical Field

The utility model relates to a ventilation equipment technical field, concretely relates to novel roof diagonal flow fan.

Background

At present, on buildings such as hotels, restaurants, movie theaters and the like, ventilation equipment is installed and used, a roof fan is usually adopted, indoor air quality is effectively improved, comfortable environment is provided, working efficiency is improved, in addition, in the industry, due to the special property of production, air pollution in the factory is caused, the environment quality is low, in the past, the health of staff is bound to be hurt, the indoor ventilation effect is improved by installing the roof fan, the health of the staff can be effectively protected, in many fire accidents, people are often choked by dense smoke, the roof fan is installed, the dense smoke can be rapidly discharged in a large amount, people can give people more escape spaces, and the roof fan is also a safety device.

However, the existing roof fan has the following problems:

1. the problem of rain leakage exists;

2. the noise is large;

3. the wind power is small, and the exhaust effect is poor;

therefore, a new device is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

To the problem that prior art exists, the utility model provides a novel roof diagonal flow fan.

In order to achieve the above purpose, the specific scheme of the utility model is as follows:

the utility model provides a novel roof diagonal flow fan, including from the top down setting gradually: the centrifugal fan comprises a top cover, a support, a motor, centrifugal fan blades and a bottom plate;

the bottom plate center is provided with a vent, and evenly distributed has four stabilizer blade assemblies around the vent, the top cap is installed at the top of four stabilizer blade assemblies, the support is located the top cap below is fixed on four stabilizer blade assemblies, the support comprises four mutually perpendicular's branch for the cross, each branch is fixed on a stabilizer blade assembly, the motor is installed the central point of support puts, centrifugal fan installs on the motor, install electric capacity and binding post on two adjacent branches respectively, the motor respectively with electric capacity and binding post electricity are connected.

Further, the supporting leg assembly comprises, in order from top to bottom: the waterproof structure comprises a cover nut, a first waterproof rubber gasket, a first hexagonal stud, a second waterproof rubber gasket and a bolt;

the cover nut is provided with internal threads, the upper end of the first hexagonal stud is provided with external threads, the lower end of the first hexagonal stud is provided with internal threads, the upper end of the second hexagonal stud is provided with external threads, the lower end of the second hexagonal stud is provided with internal threads, the upper end of the bolt is provided with external threads, and the cover nut, the first hexagonal stud, the second hexagonal stud and the bolt are connected through the threads from top to bottom;

the top cover is arranged between the cover nut and the first waterproof rubber mat; the bottom plate is arranged between the second hexagonal stud and the second waterproof rubber mat.

Furthermore, the top cover is of an inverted disc shape.

Furthermore, a purse net is arranged between the top cover and the bottom plate and used for enclosing the motor and the centrifugal fan blades;

the purse seine comprises two L-shaped net pieces, a plurality of round holes are formed in the purse seine, and the lower end of the purse seine is fixed to the edge of the bottom plate.

Further, the centrifugal fan blade includes: the device comprises a hub, an upper cover plate, a lower cover plate and blades;

the upper cover plate and the lower cover plate are parallel to each other and are circular rings, the blades are arranged between the upper cover plate and the lower cover plate, a single blade is arc-shaped and is integrally arranged along the vertical direction, seven blades are arranged along the anticlockwise direction to form a circle, the hub is fixedly arranged at the inner ring of the upper cover plate and is cylindrical, the centrifugal fan blades are fixedly arranged on the motor, and the diameter of each blade is the same as the outer diameter of the lower cover plate.

Furthermore, an air guide ring is arranged between the centrifugal fan blade and the bottom plate.

Furthermore, an air port flange is further arranged below the bottom plate, the upper end of the air port flange is rectangular, the lower end of the air port flange is circular, and transition is arranged in the middle of the air port flange.

Furthermore, a waterproof joint is arranged on the bottom plate and positioned at the periphery of the tuyere flange.

Adopt the technical scheme of the utility model, following beneficial effect has:

1. the problem of rain leakage is solved through the top cover structure;

2. the problem of large noise is solved through the cooperation of the purse seine structure and the motor;

3. the fan blade is researched by adopting fluid dynamics to achieve the effects of high wind pressure, large wind volume, high efficiency, low energy consumption and low noise.

Drawings

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

fig. 2 is an exploded view of the present invention;

FIG. 3 is a perspective view of the centrifugal fan blade of the present invention;

FIG. 4 is a cross-sectional view of the horizontal angle of the centrifugal fan blade of the present invention;

fig. 5 is a perspective view of the purse net of the present invention.

In the figure: 101. a top cover; 102. a support; 103. a capacitor; 104. a wiring terminal; 105. a purse net; 106. a waterproof joint; 107. a tuyere flange; 108. a base plate; 201. a leg assembly; 202. covering a nut; 203. a first waterproof rubber mat; 204. a first hex stud; 205. a second hexagonal stud; 206. a second waterproof rubber pad; 207. a bolt; 301. a motor; 302. centrifuging the fan blades; 303. a hub; 304. an upper cover plate; 305. a lower cover plate; 306. a blade; 307. an air guide ring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "front", "rear", "left", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

As shown in fig. 1-2, the utility model provides a novel roof diagonal flow fan, include from the top down and set gradually: a top cover 101, a bracket 102, a motor 301, centrifugal fan blades 302 and a bottom plate 108;

the bottom plate 108 center is provided with a vent, and evenly distributed has four stabilizer blade assemblies 201 around the vent, top cap 101 is installed at the top of four stabilizer blade assemblies 201, support 102 is located top cap 101 below is fixed on four stabilizer blade assemblies 201, support 102 comprises four mutually perpendicular's branch for the cross, each the branch is fixed on a stabilizer blade assembly 201, motor 301 is installed the central point of support 102 puts, centrifugal fan blade 302 is installed on motor 301, install electric capacity 103 and binding post 104 on two adjacent branches respectively, motor 301 respectively with electric capacity 103 and binding post 104 electricity are connected.

The supporting leg assembly 201 comprises, in order from top to bottom: the waterproof structure comprises a nut cap 202, a first waterproof rubber gasket 203, a first hexagonal stud 204, a second hexagonal stud 205, a second waterproof rubber gasket 206 and a bolt 207;

the nut 202 is provided with internal threads, the upper end of the first hexagonal stud 204 is provided with external threads, the lower end of the first hexagonal stud 204 is provided with internal threads, the upper end of the second hexagonal stud 205 is provided with external threads, the lower end of the second hexagonal stud 205 is provided with internal threads, the upper end of the bolt 207 is provided with external threads, and the nut 202, the first hexagonal stud 204, the second hexagonal stud 205 and the bolt 207 are connected in a threaded manner from top to bottom, wherein a first waterproof rubber gasket 203 is arranged between the nut 202 and the first hexagonal stud 204, and a second waterproof rubber gasket 206 is arranged between the second hexagonal stud 205 and the bolt 207;

the top cover 101 is arranged between the cover nut 202 and the first waterproof rubber mat 203; the bottom plate 108 is installed between the second hexagonal stud 205 and the second waterproof rubber pad 206. In a preferred embodiment, the top cover 101 is of an inverted disc type.

As shown in fig. 2 and 5, a seine 105 is further disposed between the top cover 101 and the bottom plate 108 for enclosing the motor 301 and the centrifugal fan 302 therein;

the purse seine 105 is composed of two L-shaped net pieces, a plurality of round holes are formed in the purse seine 105, the diameter of each round hole is 13.3mm, and the lower end of the purse seine 105 is fixed to the edge of the bottom plate 108.

As shown in fig. 3-4, the centrifugal fan blade 302 includes: a hub 303, an upper cover plate 304, a lower cover plate 305, and blades 306;

the upper cover plate 304 and the lower cover plate 305 are parallel to each other and are both circular, the blades 306 are arranged between the upper cover plate 304 and the lower cover plate 305, a single blade 306 is arc-shaped and is integrally arranged along the vertical direction, seven blades 306 are arranged along the anticlockwise direction to form a circle, the hub 303 is fixedly arranged at the inner ring of the upper cover plate 304, the hub 303 is cylindrical and is used for fixedly mounting the centrifugal fan blades 302 on the motor 301, and the diameter of the blades 306 is the same as the outer diameter of the lower cover plate 305.

An air guiding ring 307 is further disposed between the centrifugal fan blade 302 and the bottom plate 108, and the air guiding ring 307 is used for providing a channel for introducing air into the centrifugal fan blade 302.

An air port flange 107 is further arranged below the bottom plate 108, the upper end of the air port flange 107 is rectangular, the lower end of the air port flange 107 is circular, and transition is arranged in the middle of the air port flange. A waterproof joint 106 is also arranged on the bottom plate 108 and positioned at the periphery of the tuyere flange 107.

The utility model discloses the principle as follows:

the rain leakage problem is solved by adding the top cover 101 structure; the problem of large noise is solved through the matching of the structure of the purse seine 105 and the motor, and the aperture of the purse seine 105 is improved for many times to achieve the optimization of air supply quantity and noise; the fluid dynamics research scientific and technological achievement fan blade is adopted, and the effects of high wind pressure, large wind quantity, high efficiency, low energy consumption and low noise are achieved.

The above only is the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all of which are in the design of the present invention, the equivalent structure transformation made by the contents of the specification and the attached drawings is utilized, or the direct/indirect application is included in other related technical fields in the protection scope of the present invention.

Claims

1. The utility model provides a novel roof diagonal flow fan which characterized in that, includes that from the top down sets gradually: the fan comprises a top cover (101), a bracket (102), a motor (301), centrifugal fan blades (302) and a bottom plate (108);

bottom plate (108) center is provided with a vent, and evenly distributed has four leg assembly (201) around the vent, top cap (101) are installed at the top of four leg assembly (201), support (102) are located top cap (101) below is fixed on four leg assembly (201), support (102) comprise four mutually perpendicular's branch for the cross, each branch is fixed on one leg assembly (201), install motor (301) the central point of support (102) puts, install centrifugal fan blade (302) on motor (301), install electric capacity (103) and binding post (104) on two adjacent branches respectively, motor (301) respectively with electric capacity (103) and binding post (104) electricity are connected.

2. The novel roof diagonal flow fan of claim 1, characterized in that the leg assembly (201) comprises, in order from top to bottom: the waterproof structure comprises a cover nut (202), a first waterproof rubber gasket (203), a first hexagonal stud (204), a second hexagonal stud (205), a second waterproof rubber gasket (206) and a bolt (207);

the nut (202) is provided with an internal thread, the upper end of the first hexagonal stud (204) is provided with an external thread, the lower end of the first hexagonal stud (204) is provided with an internal thread, the upper end of the second hexagonal stud (205) is provided with an external thread, the lower end of the second hexagonal stud (205) is provided with an internal thread, the upper end of the bolt (207) is provided with an external thread, the nut (202), the first hexagonal stud (204), the second hexagonal stud (205) and the bolt (207) are in threaded connection from top to bottom, a first waterproof rubber gasket (203) is arranged between the nut (202) and the first hexagonal stud (204), and a second waterproof rubber gasket (206) is arranged between the second hexagonal stud (205) and the bolt (207);

the top cover (101) is arranged between the cover nut (202) and the first waterproof rubber mat (203); the bottom plate (108) is arranged between the second hexagonal stud (205) and the second waterproof rubber mat (206).

3. The new roof diagonal flow fan according to claim 1, characterized in that the top cover (101) is of the inverted disc type.

4. The novel roof diagonal flow fan as claimed in claim 1, wherein a fence (105) is further disposed between the top cover (101) and the bottom plate (108) for enclosing the motor (301) and the centrifugal fan blades (302);

the purse seine (105) is composed of two L-shaped net pieces, a plurality of round holes are formed in the purse seine (105), and the lower end of the purse seine (105) is fixed to the edge of the bottom plate (108).

5. The new roof diagonal fan of claim 1, wherein the centrifugal fan blades (302) comprise: the blade comprises a hub (303), an upper cover plate (304), a lower cover plate (305) and blades (306);

the upper cover plate (304) and the lower cover plate (305) are parallel to each other and are circular rings, the blades (306) are arranged between the upper cover plate (304) and the lower cover plate (305), the single blades (306) are arc-shaped and are integrally arranged in the vertical direction, seven blades (306) are arranged in the anticlockwise direction to form a circle, the hub (303) is fixedly arranged on the inner ring of the upper cover plate (304), the hub (303) is cylindrical and is used for fixedly mounting the centrifugal fan blades (302) on the motor (301), and the diameter of each blade (306) is the same as the outer diameter of the lower cover plate (305).

6. The novel roof diagonal flow fan as claimed in claim 1, wherein a wind guiding ring (307) is further disposed between the centrifugal fan blades (302) and the bottom plate (108).

7. The novel roof diagonal flow fan as claimed in claim 1, wherein a tuyere flange (107) is further arranged below the bottom plate (108), the upper end of the tuyere flange (107) is rectangular, the lower end of the tuyere flange is circular, and a transition is arranged in the middle of the tuyere flange.

8. The novel roof diagonal flow fan as claimed in claim 7, wherein a waterproof joint (106) is further arranged on the bottom plate (108) at the periphery of the tuyere flange (107).