CN213744064U

CN213744064U - Axial-flow type fire-fighting smoke exhaust fan

Info

Publication number: CN213744064U
Application number: CN202022610102.9U
Authority: CN
Inventors: 万翠娥
Original assignee: Jiangsu Zhongkai Hvac Equipment Co ltd
Current assignee: Jiangsu Zhongkai Hvac Equipment Co ltd
Priority date: 2020-11-12
Filing date: 2020-11-12
Publication date: 2021-07-20
Anticipated expiration: 2030-11-12

Abstract

The utility model discloses an axial-flow type fire-fighting smoke exhaust fan, which relates to the technical field of exhaust of building equipment and comprises a shell, wherein the bottom of the shell is provided with a junction box base which is connected with a motor wire box, a middle cylinder is arranged inside the shell, a motor is connected in the middle cylinder, the left side of the motor is connected with a wheel hub, the outer side of the wheel hub is annularly provided with a thin-sheet type blade, and the right side of the motor is connected with a mixed-flow type blade; the right side of the middle cylinder is provided with an air inlet pipe and penetrates through the shell to be communicated with the outside, the bottom of the middle cylinder is provided with an air outlet pipe and is communicated with the outside after penetrating through the shell, and the right side of the air outlet pipe and positioned at the lower side of the middle cylinder are provided with guide vanes; and a spring damping mechanism is arranged at the bottom of the shell. The utility model discloses a set up spring damper, avoid smoke exhaust fan's work vibrations directly to pass to ground and cause the sense of vibration, the effectual smoke exhaust fan that has protected guarantees the steadiness of installation.

Description

Axial-flow type fire-fighting smoke exhaust fan

Technical Field

The utility model relates to a architectural equipment technical field that airs exhaust, concretely relates to axial-flow type fire control smoke exhaust fan.

Background

The machine is characterized in that the machine has good high temperature resistance and high efficiency, the type of the smoke exhaust fan is a centrifugal fan and an axial flow fan, and the machine is suitable for small and large machines according to the space size and the arrangement condition of a smoke exhaust hood.

The fan is widely used in ventilation systems of large buildings such as office buildings, high-grade hotels, cinemas, industrial and mining plants, markets, hospitals, hotels, auditoriums, basements and high-grade residences, and can also be used as corollary equipment for purifying and adjusting air.

The traditional smoke exhaust fan can generate large-decibel noise in the use process; in addition, if a fire disaster occurs in the building, some fan devices cannot continuously work at high temperature and cannot meet the function of fire protection and smoke discharge.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model aims at providing an axial-flow type fire control smoke exhaust fan.

In order to realize the technical purpose, the utility model discloses a scheme is:

preferably, the axial-flow type fire-fighting smoke exhaust fan comprises a shell, wherein a junction box base is arranged at the bottom of the shell and connected with a motor wire box, a middle cylinder is arranged inside the shell, a motor is connected in the middle cylinder, the left side of the motor is connected with a hub, the outer side of the hub is annularly provided with a thin-sheet type blade, and the right side of the motor is connected with a mixed-flow type blade; the right side of the middle cylinder is provided with an air inlet pipe and penetrates through the shell to be communicated with the outside, the bottom of the middle cylinder is provided with an air outlet pipe and is communicated with the outside after penetrating through the shell, and the right side of the air outlet pipe and positioned at the lower side of the middle cylinder are provided with guide vanes; and a spring damping mechanism is arranged at the bottom of the shell.

Preferably, the spring damping mechanism comprises an L-shaped support, an arc-shaped supporting plate, a damping shaft, a shaft sleeve, an upper pressure plate, a spring, a lower pressure plate and a bottom plate, wherein the shell is connected with the L-shaped support, the shaft sleeve is arranged inside the L-shaped support, the damping shaft is arranged in the shaft sleeve, the arc-shaped supporting plate is welded on the upper end face of the damping shaft, the outer circle of the damping shaft is arranged at the bottom of the L-shaped support, the bottom plate is welded at the bottom of the damping shaft, the lower pressure plate is arranged at the upper end of the bottom plate and is positioned at the outer circle of the damping shaft, and the spring is arranged between the lower pressure plate and the upper pressure plate and is positioned at the outer circle of the damping shaft.

Preferably, the inner wall of the arc-shaped supporting plate is provided with a rubber pad, and the inner wall of the arc-shaped supporting plate is attached to the outer circle of the shell.

Preferably, the thin-sheet type blade and the hub are welded.

The utility model has the advantages that:

1. the axial flow impeller structure and the mixed flow impeller structure are adopted, a machine has two purposes through a multi-speed driving mode, remote automatic control can be achieved after the electric cabinet is matched, and the electric cabinet is high-temperature resistant, excellent in performance, high in efficiency and small in size.

2. Through setting up spring damper, the work vibrations of avoiding smoke exhaust fan directly pass to ground and cause the sense of vibration, the effectual smoke exhaust fan that has protected guarantees the steadiness of installation.

Drawings

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

FIG. 2 is a cross-sectional view A-A of FIG. 1;

FIG. 3 is an enlarged view of a portion of FIG. 1 at B;

fig. 4 is a schematic structural diagram of an arc-shaped supporting plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

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

As shown in FIG. 1, the embodiment of the present invention is

An axial-flow type fire-fighting smoke exhaust fan comprises a shell 1, wherein a junction box base 7 is arranged at the bottom of the shell 1, the junction box base 7 is connected with a motor wire box 12, a middle cylinder 5 is arranged inside the shell 1, a motor 11 is connected in the middle cylinder 5, the left side of the motor 11 is connected with a hub 10, a thin-sheet type blade 8 is annularly arranged on the outer side of the hub 10, and the right side of the motor 11 is connected with a mixed-flow type blade 3; the right side of the middle cylinder 5 is provided with an air inlet pipe 4 and penetrates through the shell 1 to be communicated with the outside, the bottom of the middle cylinder 5 is provided with an air outlet pipe 9 and is communicated with the outside after penetrating through the shell 1, and the right side of the air outlet pipe 9 and positioned at the lower side of the middle cylinder 5 is provided with a guide vane 6; the bottom of the shell 1 is provided with a spring damping mechanism 2; the spring damping mechanism 2 comprises an L-shaped support 21, an arc-shaped supporting plate (22), a damping shaft 23, a shaft sleeve 24, an upper pressing plate 25, a spring 26, a lower pressing plate 27 and a bottom plate 28, the shell 1 is connected with the L-shaped support 21, the shaft sleeve 24 is arranged inside the L-shaped support 21, the damping shaft 23 is arranged in the shaft sleeve 24, the arc-shaped supporting plate 22 is welded on the upper end face of the damping shaft 23, the upper pressing plate 25 is arranged on the outer circle of the damping shaft 23 and positioned at the bottom of the L-shaped support 21, the bottom plate 28 is welded at the bottom of the damping shaft 23, the lower pressing plate 27 is arranged on the upper end of the bottom plate 28 and positioned on the outer circle of the damping shaft 23, and the spring 26 is arranged between the lower pressing plate 27 and the upper pressing plate 25 and positioned on the outer circle of the damping shaft 23; the inner wall of the arc-shaped supporting plate 22 is provided with a rubber pad 221, and the inner wall of the arc-shaped supporting plate 22 is attached to the outer circle of the shell 1; the thin-sheet type blade 8 and the hub 10 are welded.

The utility model discloses an axial compressor and mixed flow impeller structure through many fast drive forms, reaches a tractor serves two purposes, but set remote automatic control after the electric cabinet, high temperature resistant, excellent performance, efficient, small.

The utility model discloses a set up spring damper, avoid smoke exhaust fan's work vibrations directly to pass to ground and cause the sense of vibration, the effectual smoke exhaust fan that has protected guarantees the steadiness of installation.

The above, only do the preferred embodiment of the present invention, not used to limit the present invention, all the technical matters of the present invention should be included in the protection scope of the present invention for any slight modification, equivalent replacement and improvement of the above embodiments.

Claims

1. The utility model provides an axial-flow type fire control smoke exhaust fan, includes shell (1), shell (1) bottom be provided with terminal box seat (7), terminal box seat (7) be connected with motor line box (12), shell (1) inside be provided with well section of thick bamboo (5), its characterized in that: a motor (11) is connected in the middle cylinder (5), the left side of the motor (11) is connected with a hub (10), the outer side of the hub (10) is annularly provided with a thin-sheet type blade (8), and the right side of the motor (11) is connected with a mixed-flow type blade (3); an air inlet pipe (4) is arranged on the right side of the middle cylinder (5) and penetrates through the shell (1) to be communicated with the outside, an air outlet pipe (9) is arranged at the bottom of the middle cylinder (5) and is communicated with the outside after penetrating through the shell (1), and a guide vane (6) is arranged on the right side of the air outlet pipe (9) and is positioned on the lower side of the middle cylinder (5); and a spring damping mechanism (2) is arranged at the bottom of the shell (1).

2. The axial-flow type fire-fighting smoke exhaust fan according to claim 1, characterized in that: the spring damping mechanism (2) comprises an L-shaped bracket (21), an arc-shaped supporting plate (22), a damping shaft (23), a shaft sleeve (24), an upper pressure plate (25), a spring (26), a lower pressure plate (27) and a bottom plate (28), the shell (1) is connected with an L-shaped bracket (21), a shaft sleeve (24) is arranged in the L-shaped bracket (21), a damping shaft (23) is arranged in the shaft sleeve (24), an arc-shaped supporting plate (22) is welded on the upper end surface of the damping shaft (23), an upper pressure plate (25) is arranged on the excircle of the damping shaft (23) and at the bottom of the L-shaped bracket (21), a bottom plate (28) is welded at the bottom of the damping shaft (23), a lower pressing plate (27) is arranged at the upper end of the bottom plate (28) and positioned at the excircle of the damping shaft (23), and a spring (26) is arranged between the lower pressure plate (27) and the upper pressure plate (25) and positioned on the excircle of the damping shaft (23).

3. The axial-flow type fire-fighting smoke exhaust fan according to claim 2, characterized in that: the inner wall of arc layer board (22) be provided with rubber pad (221), the inner wall of arc layer board (22) and the excircle laminating of shell (1).

4. The axial-flow type fire-fighting smoke exhaust fan according to claim 1, characterized in that: the thin-sheet type blade (8) and the hub (10) are welded.