CN220081776U - Axial-flow type smoke exhaust fan - Google Patents

Abstract

The utility model discloses an axial-flow smoke exhaust fan, which relates to the technical field of fire-fighting equipment and comprises a fan and connecting pipelines arranged at two ends of the fan, wherein connecting valves are fixedly arranged at two ends of the fan, a shell is arranged at the inner side of the connecting valves, a double-head motor is fixedly arranged between fixing devices, fan blades are arranged at one end of the double-head motor, a heat insulation shell is wrapped at the outer side of the double-head motor, cooling fins are arranged at two sides of the heat insulation shell through heat pipes, the cooling fins are arranged between a protective shell and the shell, and a protection frame is fixedly arranged at the inner sides of the two ends of the shell.

Description

Axial-flow type smoke exhaust fan

Technical Field

The utility model relates to an exhaust fan, in particular to an axial-flow smoke exhaust fan, and belongs to the technical field of fire-fighting equipment.

Background

The smoke exhaust fan is arranged on a pipeline of the mechanical smoke exhaust system and is in an open state at ordinary times, the axial-flow type fire-fighting smoke exhaust fan is an airflow in the same direction as the shaft of the fan blade, for example, an external fan of an electric fan air conditioner is an axial-flow type running fan, the axial-flow type fan is also called a local fan, and is a fan commonly used in industrial and mining enterprises, different from a general fan, the motor and the fan blade of the fan are in a cylinder, the appearance of the fan is a cylinder, and the fan is used for local ventilation, is convenient to install and has an obvious ventilation effect.

The existing smoke exhaust fans are simple axial flow fans, and as the temperature of smoke is higher than that of traditional air, the internal motor of the traditional axial flow fans can be influenced, so that the service life of the motor is reduced, a complex heat radiation system is required to be equipped in the practical process for use, and as the complex heat radiation system can cause the fault rate of the axial flow fans to be increased, the use cost of the device is higher.

Disclosure of Invention

The present utility model is directed to an axial-flow smoke exhaust fan, which solves the above-mentioned problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an axial-flow type smoke exhaust fan, includes the fan and installs at fan both ends connecting tube, the both ends fixed mounting of fan has the junction valve, the casing is installed to the junction valve inboard, two sets of holders are installed to the inside wall of casing, fixed mounting has the double-end motor between the holder, the flabellum is installed to the one end of double-end motor, the outside parcel of double-end motor has the heat-proof shell, the fin is installed through the heat pipe to the both sides of heat-proof shell, the fin is located between protective housing and the casing, the inboard fixed mounting at casing both ends has the protection frame.

Preferably, the gear ring is arranged on the outer side of the shell through a bearing, a connecting block is arranged at one end of the gear ring, and a turbine fan blade is fixedly arranged on one side of the connecting block.

Preferably, a driving shaft is installed at one end of the double-headed motor, an installation seat is fixedly installed at one side of the protection frame, a transmission shaft is rotatably installed at the inner side of the installation seat, and the driving shaft is connected with a gear ring through a gear by the transmission shaft.

Preferably, the two sides of the fan are fixedly provided with the connecting valves, the two sides of the connecting valves are provided with the connecting pipelines, and one side of each connecting pipeline is fixedly provided with the ventilation valve.

Preferably, a vent hole is formed in one side of the connecting valve, and one end of the casing extends into the connecting pipeline.

Preferably, the heat pipe and the inner side of the heat insulation shell are filled with cooling liquid.

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

the utility model relates to an axial-flow smoke exhaust fan, which can effectively conduct heat generated by a motor to radiating fins on the outer side by adopting a heat pipe, so that the motor is prevented from working in a high-temperature environment, meanwhile, a heat insulation shell is prevented from being contacted with the motor, a double-head motor can drive outer turbine blades to rotate to generate air flow velocity, the heat in the radiating fins is taken away, the radiating fins can conduct heat, and meanwhile, a shell and a protective shell are supported and fixed, so that the problem of deformation caused by slight collision is avoided, the double-head motor can effectively reduce the structure in the device, thereby reducing the overall cost of the device, and the blades are made of glass fiber reinforced plastics, improving the corrosion resistance of the device, and enabling the device to be installed in a more complex use environment.

Drawings

FIG. 1 is a schematic view of an axial structure of the present utility model;

FIG. 2 is a schematic diagram of the overall structure of the present utility model;

FIG. 3 is a schematic view of the internal structure of the present utility model;

FIG. 4 is a schematic view of the structure of the rotor of the present utility model.

In the figure: 1. a blower; 2. a connecting pipe; 3. a connecting valve; 4. a vent valve; 5. a fan blade; 6. a heat sink; 7. a double-ended motor; 8. a heat pipe; 9. a gear ring; 10. a housing; 11. a protective shell; 12. a heat insulating shell; 13. a holder; 14. turbine blades; 15. a connecting block; 16. a protective frame; 17. a mounting base; 18. a transmission shaft; 19. and a driving shaft.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the utility model provides an axial-flow type smoke exhaust fan, which comprises a fan 1 and connecting pipelines 2 arranged at two ends of the fan 1, wherein the connecting pipelines 2 are used for fixedly mounting the device, the stability of device mounting is improved, connecting valves 3 are fixedly arranged at two ends of the fan 1, the connecting valves 3 are connected with fixed pipelines and simultaneously realize on-off control of the pipelines, a shell 10 is arranged at the inner side of the connecting valves 3, the shell 10 can protect the internal fan, two groups of retainers 13 are arranged on the inner side wall of the shell 10, the retainers 13 are used for fixedly mounting an internal double-headed motor 7, the device mounting stability is improved, the double-headed motor 7 is fixedly arranged between the retainers 13, a fan blade 5 is arranged at one end of the double-headed motor 7, wind pressure can be generated by the fan blade 5, the air flow rate inside the pipelines is driven to be increased, a heat insulation shell 12 is wrapped at the outer side of the double-headed motor 7, the heat insulation shell 12 can protect the motor, the heat insulation shell 12 can prevent the motor from being contacted with smoke to cause temperature rise, the two sides of the heat insulation shell 12 are provided with fins 6 through 8, the heat dissipation devices are effectively arranged between the two groups of retainers 16 and the heat dissipation devices, the heat dissipation devices can be prevented from being fixedly arranged at the inner sides of the shell 16, and the heat dissipation devices are prevented from being arranged at the inner sides of the protection frames, and the heat dissipation devices are protected, and the heat loss can be protected.

Further: the outside of casing 10 is installed gear ring 9 through the bearing, and the turbine flabellum 14 rotates in the middle of the gear ring 9 can drive the device, and through the rotation of turbine flabellum 14, can drive inside gas flow, connecting block 15 is installed to the one end of gear ring 9, and connecting block 15 is used for fixed mounting turbine flabellum 14, one side fixed mounting of connecting block 15 has turbine flabellum 14, and turbine flabellum 14 has the characteristics that small wind-force is big.

Further: the driving shaft 19 is installed to the one end of double-end motor 7, and driving shaft 19 can drive the transmission shaft 18 rotation of one side through initiative pivoted mode, the one side fixed mounting of protection frame 16 has mount pad 17, the transmission shaft 18 is installed in the inboard rotation of mount pad 17, and transmission shaft 18 passes through the gear and is connected driving shaft 19 and gear ring 9.

Further: the fan is characterized in that connecting valves 3 are fixedly arranged on two sides of the fan 1, the connecting valves 3 are used for fixedly mounting connecting pipelines 2 of the fan, the connecting pipelines 2 are arranged on two sides of the connecting valves 3, a ventilation valve 4 is fixedly arranged on one side of each connecting pipeline 2, and the ventilation valve 4 is used for controlling on-off of the fan in daily use.

Further: one side of the connecting valve 3 is provided with a vent hole, the vent hole can absorb external cold air, and one end of the casing 10 extends into the connecting pipeline 2.

Further: the heat pipe 8 and the inner side of the heat insulation shell 12 are filled with cooling liquid, the cooling liquid is used for conducting heat in the device, the heat is taken out of the device, and the influence caused by overhigh temperature of the motor is avoided.

In the description of the present utility model, it should be understood that the orientation or positional relationship indicated is based on the orientation or positional relationship shown in the drawings, and is merely for convenience in describing the present utility model and simplifying the description, and does not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the present utility model, unless explicitly specified and defined otherwise, for example, it may be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides an axial-flow type smoke exhaust fan, includes fan (1) and installs at fan (1) both ends connecting tube (2), its characterized in that, the both ends fixed mounting of fan (1) have connecting valve (3), casing (10) are installed to connecting valve (3) inboard, two sets of fixer (13) are installed to the inside wall of casing (10), fixed mounting has double-end motor (7) between fixer (13), flabellum (5) are installed to the one end of double-end motor (7), the outside parcel of double-end motor (7) has insulating housing (12), heat pipe (8) are passed through to the both sides of insulating housing (12) are installed fin (6), fin (6) are located between protective housing (11) and casing (10), the inboard fixed mounting at casing (10) both ends has protection frame (16).

2. The axial flow smoke exhaust fan according to claim 1, wherein: the outer side of the shell (10) is provided with a gear ring (9) through a bearing, one end of the gear ring (9) is provided with a connecting block (15), and one side of the connecting block (15) is fixedly provided with a turbine fan blade (14).

3. The axial flow smoke exhaust fan according to claim 1, wherein: the double-end motor is characterized in that a driving shaft (19) is arranged at one end of the double-end motor (7), an installation seat (17) is fixedly arranged at one side of the protection frame (16), a transmission shaft (18) is rotatably arranged at the inner side of the installation seat (17), and the driving shaft (19) is connected with the gear ring (9) through a gear by the transmission shaft (18).

4. The axial flow smoke exhaust fan according to claim 1, wherein: connecting valves (3) are fixedly arranged on two sides of the fan (1), connecting pipelines (2) are arranged on two sides of the connecting valves (3), and a ventilation valve (4) is fixedly arranged on one side of each connecting pipeline (2).

5. The axial flow smoke exhaust fan according to claim 1, wherein: one side of the connecting valve (3) is provided with a vent hole, and one end of the casing (10) extends into the connecting pipeline (2).

6. The axial flow smoke exhaust fan according to claim 1, wherein: the inner sides of the heat pipe (8) and the heat insulation shell (12) are filled with cooling liquid.