CN212928234U

CN212928234U - High-temperature-resistant axial flow fan

Info

Publication number: CN212928234U
Application number: CN202021837054.0U
Authority: CN
Inventors: 顾杰; 陈霞
Original assignee: Suzhou Unionpay Electromechanical Technology Co ltd
Current assignee: Suzhou Unionpay Electromechanical Technology Co ltd
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2021-04-09
Anticipated expiration: 2030-08-28

Abstract

The utility model discloses a high temperature resistant axial flow fan, which comprises a shell, the shell comprises a shell body, the interior of the shell body is provided with a streamline heat insulation cover, the streamline heat insulation cover comprises a streamline part, one end of the streamline part is arranged to be a conical nozzle, the other end of the streamline part is arranged to be a wide part, the inner wall of the streamline heat insulation cover is provided with a polyurethane cover, the interior of the polyurethane cover is provided with a double-shaft motor, one shaft of the double-shaft motor is provided with a radiating fan, the other shaft of the double-shaft motor is provided with a main fan, and the main fan is positioned at the exterior of the streamline heat insulation cover, the utility model discloses the shell of the double-shaft motor is arranged to be the streamline heat insulation cover, when air enters the air, the air can firstly pass through the conical nozzle, then pass through the streamline part, and finally pass through the wide part, the mode can avoid the air flow, so as to avoid the influence of the motor shell on the air output.

Description

High-temperature-resistant axial flow fan

Technical Field

The utility model relates to a fan technical field specifically is a high temperature resistant axial fan.

Background

The axial flow fan is also called as a local fan, is a fan commonly used by industrial and mining enterprises, is different from a common fan that a motor and fan blades of the fan are in a round and simple shape, has a simple appearance, is used for local ventilation, is convenient to install, has obvious ventilation and air exchange effects and is safe, and can receive air and simply send the air to a designated area;

in order to avoid the overhigh temperature, the patent with the application number of 201220213276.4 proposes a high-temperature resistant axial flow fan, which arranges a motor in the heat insulation shell by arranging the heat insulation shell in the fan, and then installs an internal circulation fan on the shaft of the motor so as to radiate the heat of the motor, but the wind drawn by a main blowing fan from the outside can be blocked by the motor shell, so that the air output is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high temperature resistant axial fan to the main fan of blowing of solving among the prior art high temperature resistant axial fan can be blockked by motor housing from the wind of external extraction, leads to the problem that the air output reduces.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high temperature resistant axial fan, includes the shell, the shell includes the casing, the inside of casing is provided with streamlined thermal-insulated cover, streamlined thermal-insulated cover includes the line portion, the one end of line portion sets up to the toper mouth, and the other end of line portion sets up to wide portion, install the polyurethane cover on streamlined thermal-insulated cover's the inner wall, the inside of polyurethane cover is provided with the double-shaft motor, epaxial radiator fan of installing of double-shaft motor, and radiator fan are located the inside of polyurethane cover, another epaxial main fan of installing of double-shaft motor, and main fan is located the outside of streamlined thermal-insulated cover, the one end that wide portion was kept away from to the toper mouth is provided with the heat dissipation air-supply line, the inside of line portion has inserted the heat dissipation air-.

Preferably, an air inlet cover is installed at one end, close to the heat dissipation air inlet pipe, of the shell, and an air outlet cover is arranged at one end, far away from the heat dissipation air inlet pipe, of the shell.

Preferably, the heat dissipation air outlet pipe is L-shaped.

Preferably, an elastic seat is arranged below the shell, and supporting legs are arranged below the elastic seat.

Preferably, the elastic seat comprises a base, and a spring is connected between the base and the shell.

Preferably, the supporting legs are located at four corners of the lower surface of the base, and the traveling wheels are mounted at the lower ends of the supporting legs.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses set up the shell of biax motor into streamlined heat exchanger that separates, when the air current air inlet, can pass through the conical nose at first, then pass through the streamline portion again, pass through wide portion at last, this kind of mode can avoid the air current to be blockked by the shell of biax motor to guarantee that all air that the main fan extracts is whole to be gone out, in order to avoid the shell of motor to influence the air output;

2. the utility model discloses set up the elasticity seat, the elasticity seat can absorb the mechanical vibrations of motor, guarantees the stability of device.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

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

fig. 2 is a schematic position diagram of the dual-shaft motor of the present invention.

In the figure: 1. supporting legs; 2. a traveling wheel; 3. a heat dissipation air inlet pipe; 4. a heat dissipation air outlet pipe; 5. a streamlined heat shield; 51. a conical mouth; 52. a streamline section; 53. a wide portion; 6. a polyurethane cover; 7. a housing; 71. an air inlet cover; 72. a housing; 73. an air outlet cover; 8. a main fan; 9. an elastic seat; 91. a base; 92. a spring; 10. a double-shaft motor; 11. a heat dissipation fan.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, in an embodiment of the present invention, a high temperature resistant axial flow fan includes a housing 7, the housing 7 includes a casing 72, an air inlet cover 71 is installed at one end of the casing 72 close to a heat dissipation air inlet pipe 3, and an air outlet cover 73 is installed at one end of the casing 72 far from the heat dissipation air inlet pipe 3, the air inlet cover 71 can expand an air inlet volume, and the air outlet cover 73 can expand a wind receiving area;

referring to fig. 1 and 2, a dual-shaft motor 10 is disposed inside the housing 72, a main fan 8 is mounted on one shaft of the dual-shaft motor 10, the dual-shaft motor 10 can drive the main fan 8 to rotate, and the main fan 8 rotates to enable the air inlet cover 71 to supply air and then exhaust air from the air outlet cover 73;

referring to fig. 1 and 2, a streamline heat insulation cover 5 is disposed outside the dual-shaft motor 10, the streamline heat insulation cover 5 includes a streamline portion 52, one end of the streamline portion 52 is a tapered nozzle 51, and the other end of the streamline portion 52 is a wide portion 53, when air enters from the air inlet cover 71, the air can first pass through the tapered nozzle 51, then passes through the streamline portion 52, and finally passes through the wide portion 53, which can prevent the air from being blocked by the casing of the dual-shaft motor 10, so as to ensure that all the air extracted by the main fan 8 is exhausted from the air outlet cover 73;

as shown in fig. 2, the inner wall of the streamlined heat insulation cover 5 is provided with a polyurethane cover 6, and the polyurethane cover 6 can further perform a heat preservation function, so that heat generated by the dual-shaft motor 10 is prevented from entering the inside of the shell 72;

as shown in fig. 2, a heat dissipation fan 11 is mounted on the other shaft of the dual-shaft motor 10, the heat dissipation fan 11 is located inside the polyurethane cover 6, the main fan 8 is located outside the streamlined thermal insulation cover 5, a heat dissipation air inlet pipe 3 is arranged at one end of the conical nozzle 51 away from the wide portion 53, a heat dissipation air outlet pipe 4 is inserted inside the flow portion 52, the heat dissipation air outlet pipe 4 is L-shaped, the heat dissipation fan 11 draws air through the heat dissipation air inlet pipe 3, so that air is dissipated into the dual-shaft motor 10, and air can be exhausted through the heat dissipation air outlet pipe 4;

as shown in fig. 1, the elastic seat 9 is arranged below the casing 72, the elastic seat 9 comprises a base 91, a spring 92 is connected between the base 91 and the casing 72, the spring 92 can buffer mechanical vibration on the casing 72, supporting legs 1 are arranged below the elastic seat 9, the supporting legs 1 are located at four corners of the lower surface of the base 91, the walking wheels 2 are installed at the lower ends of the supporting legs 1, the supporting legs 1 can support the elastic seat 9, and the walking wheels 2 can conveniently enable the device to move.

The utility model discloses a theory of operation and use flow: when the device is used, the double-shaft motor 10 can drive the main fan 8 to rotate when working, the main fan 8 can enable the air inlet cover 71 to supply air and then to discharge air from the air outlet cover 73, when air enters from the air inlet cover 71, the air can firstly pass through the conical nozzle 51, then pass through the streamline part 52 and finally pass through the wide part 53, the mode can prevent the air flow from being blocked by the shell of the double-shaft motor 10 so as to ensure that all air extracted by the main fan 8 is discharged from the air outlet cover 73, and the double-shaft motor 10 can drive the other shaft to rotate when rotating, further, the heat dissipation fan 11 can rotate, the heat dissipation fan 11 can exhaust air through the heat dissipation air inlet pipe 3, so that the air can dissipate heat for the double-shaft motor 10;

the spring 92 can buffer the mechanical vibration on the shell 72, the supporting leg 1 can support the elastic seat 9, and the walking wheel 2 can conveniently move the device.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a high temperature resistant axial fan, includes shell (7), its characterized in that: the casing (7) comprises a casing (72), a streamline thermal shield (5) is arranged in the casing (72), the streamline thermal shield (5) comprises a flow line part (52), one end of the flow line part (52) is arranged to be a conical nozzle (51), the other end of the flow line part (52) is arranged to be a wide part (53), a polyurethane shield (6) is installed on the inner wall of the streamline thermal shield (5), a double-shaft motor (10) is arranged in the polyurethane shield (6), a radiating fan (11) is installed on one shaft of the double-shaft motor (10), the radiating fan (11) is located in the polyurethane shield (6), a main fan (8) is installed on the other shaft of the double-shaft motor (10), the main fan (8) is located outside the streamline thermal shield (5), and a radiating air inlet pipe (3) is arranged at one end, far away from the wide part (53), of the conical nozzle (51), the inside of the streamline part (52) is inserted with a heat dissipation air outlet pipe (4).

2. The high-temperature resistant axial flow fan according to claim 1, characterized in that: an air inlet cover (71) is installed at one end, close to the heat dissipation air inlet pipe (3), of the shell (72), and an air outlet cover (73) is arranged at one end, far away from the heat dissipation air inlet pipe (3), of the shell (72).

3. The high-temperature resistant axial flow fan according to claim 1, characterized in that: the heat dissipation air outlet pipe (4) is L-shaped.

4. The high-temperature resistant axial flow fan according to claim 1, characterized in that: an elastic seat (9) is arranged below the shell (72), and supporting legs (1) are arranged below the elastic seat (9).

5. The high-temperature resistant axial flow fan according to claim 4, characterized in that: the elastic seat (9) comprises a base (91), and a spring (92) is connected between the base (91) and the shell (72).

6. The high-temperature resistant axial flow fan according to claim 4, characterized in that: supporting leg (1) are located four corners of base (91) lower surface, and walking wheel (2) are installed to the lower extreme of supporting leg (1).