CN219345099U - Fire-fighting axial-flow type damping anti-blocking smoke exhaust fan - Google Patents

Abstract

The utility model relates to a fire-fighting axial-flow type shock-absorbing anti-blocking smoke exhaust fan, which comprises a fan shell, a driving mechanism and a driven mechanism, wherein a base is arranged at the bottom of the fan shell, two bearings are fixedly arranged at two ends of the base respectively, two groups of wind collectors are arranged outside the fan shell, two groups of filters are arranged at the inlet of the wind collectors in a clinging manner, the internal sediment blocking of the smoke exhaust fan is reduced, the driving mechanism is provided with a driving wheel and a driving shaft, the driving shaft is connected with a motor, the bottom of the motor is provided with a shock-absorbing plate, the bottom of the shock-absorbing plate is provided with a shock absorber, the bottom surface of the shock absorber is connected with a bearing seat, the driven mechanism is provided with a driven wheel and a driven wheel, the driving wheel is connected with the driven wheel through a driving belt, a housing is arranged outside the driving belt, a fixed seat is arranged in the middle of the bearing, a multi-wing impeller is sleeved outside the fixed seat, the multi-wing impeller is provided with a plurality of wing plates, and the shock absorber comprises a guide post and a shock-absorbing spring, so that the influence on elements caused by shaking is reduced.

Description

Fire-fighting axial-flow type damping anti-blocking smoke exhaust fan

Technical Field

The utility model relates to the technical field of smoke exhaust fans, in particular to a fire-fighting axial-flow type damping anti-blocking smoke exhaust fan.

Background

The centrifugal fan generally comprises a fan shell, a motor and an impeller, wherein the motor is arranged at the rear end of the fan shell, the type of a smoke exhaust fan is provided with the centrifugal fan and an axial fan, a machine which is suitable for small and large is selected according to the space size and the arrangement condition of a smoke exhaust hood, the axial fan is a machine which can rapidly exhaust peculiar smell, high temperature and oil smoke generated in the process of processing food in a kitchen, the machine is characterized in that the high temperature resistance is good and the efficiency is high, the impeller is arranged in the fan shell and is connected with an output shaft of the motor, during operation, the output shaft of the motor drives a rear cover plate of the impeller to rotate, the rear cover plate drives a blade to rotate, and the blade drives a front cover plate to rotate, so that the rotation of the whole impeller is realized, the purpose of exhausting gas is achieved, the smoke exhaust fan in the prior art lacks an adaptive damping device, and the generated shaking can generate a certain influence on elements, and a large amount of dust particles can be inhaled after the service time is longer, so that dust particles are deposited and blocked in the smoke exhaust fan, and the working efficiency is influenced.

In order to solve the defects in the prior art, the anti-blocking smoke exhaust fan for the fire-fighting axial flow type shock absorption is provided.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides a fire-fighting axial-flow type shock-absorbing anti-blocking smoke exhaust fan, which solves the problems in the prior art.

1. The utility model provides the following technical scheme: the novel air conditioner comprises a fan shell, a driving mechanism and a driven mechanism, wherein a base is arranged at the bottom of the fan shell, two bearings are fixedly arranged at two ends of the middle plane of the base respectively, two groups of air collectors are fixedly arranged outside the fan shell, two groups of filters are arranged at the inlet of the air collectors in a clinging manner, the driving mechanism is provided with a driving wheel and a driving shaft, the driving wheel is sleeved outside the driving shaft, a driving shaft power source is connected through a motor, a damping plate is arranged at the bottom of the motor, a shock absorber is arranged at the bottom of the damping plate, the bottom of the shock absorber is connected with a bearing seat, a driven mechanism is provided with a driven wheel and a driven shaft, the driving wheel and the driven wheel are connected through a driving belt, a housing is arranged outside the driving belt, the driven shaft passes through the bearings at two ends, a fixing seat is arranged in the middle of the bearings, and a multi-wing impeller is sleeved outside the fixing seat, and is provided with a plurality of wing plates;

preferably, the shock absorber comprises a guide post and a shock absorption spring, wherein the guide post is movably connected to the bottom of the shock absorption plate through a bolt;

preferably: the filter is closely arranged outside the wind collector and is movably connected through bolts;

preferably: the wing plate is of a circular arc structure, a forward bent blade is adopted, and the central angle is 0-90 degrees;

preferably: the wind collector is in a conical arc shape and consists of a conical cylinder section and an arc cylinder section, and is fixedly arranged outside the fan shell.

The utility model has the technical effects and advantages that:

1. the motor bottom sets up the shock attenuation board, the shock attenuation board bottom sets up the bumper shock absorber, the bumper shock absorber bottom surface is connected with bearing seat, increases the damping device of adaptation, in the work engineering, the produced rocking can not produce the influence to the component, plays certain shock attenuation effect.

2. By arranging two groups of filters at the inlet of the air collector in a close fit manner, external dust particles cannot be deposited and blocked in the smoke exhaust fan in the working engineering, and the working efficiency is improved.

Drawings

Figure 1 is a schematic diagram of the overall structure of the present utility model,

figure 2 is a front view of the overall structure of the present utility model,

figure 3 is a top view of the overall structure of the present utility model,

fig. 4 is an enlarged view of the multi-vane impeller and damper of the present utility model.

The reference numerals are: 1. a blower housing; 101. a base; 102. a bearing; 103. a wind collector; 104. a filter; 2. a driving mechanism; 201. a driving wheel; 202. a driving shaft; 203. a motor; 204. a shock absorbing plate; 205. a damper; 2051. a guide post; 2052. a damping spring; 206. a bearing seat; 207. a drive belt; 208. a housing; 3. a driven mechanism; 301. driven wheel; 302. a driven shaft; 303. a fixing seat; 304. a multi-winged impeller; 305. and a wing plate.

Detailed Description

The embodiments of the present utility model will be described more fully hereinafter with reference to the accompanying drawings, in which the embodiments of the present utility model are shown by way of illustration only, and the utility model is not limited to the embodiments of the present utility model, but other embodiments of the present utility model will be apparent to those skilled in the art without making any inventive effort.

As shown in fig. 1, the fan comprises a fan shell 1, a driving mechanism 2 and a driven mechanism 3, wherein a base 101 is arranged at the bottom of the fan shell 1, two bearings 102 are fixedly arranged at two ends of the middle plane position of the base 101, two groups of wind collectors 103 are arranged outside the fan shell 1, the two groups of wind collectors 103 are fixedly arranged outside the fan shell 1, the wind collectors 103 are in a conical arc shape and consist of a conical cylinder section and an arc-shaped cylinder section, two groups of filters 104 are arranged at the inlet of the wind collectors 103 in a close contact manner, and external dust particles cannot be deposited and blocked inside a smoke exhaust fan in working engineering, so that the working efficiency is improved;

as shown in fig. 1 and fig. 4, the driving mechanism 2 is provided with a driving wheel 201 and a driving shaft 202, the driving wheel 201 is sleeved outside the driving shaft 202, a power source of the driving shaft 202 is connected through a motor 203, a damping plate 204 is arranged at the bottom of the motor 203, a damper 205 is arranged at the bottom of the damping plate 204, the bottom surface of the damper 205 is connected with a bearing seat 206, the damper 205 comprises a guide column 2051 and a damping spring 2052, the guide column 2051 is movably connected at the bottom of the damping plate 204 through bolts, an adaptive damping device is added, and in working engineering, generated shaking does not affect elements, so that a certain damping effect is achieved;

driven mechanism 3 sets up from driving wheel 301 and driven shaft 302, driving wheel 201 and from driving wheel 301 pass through drive belt 207 and connect, the drive belt 207 outside sets up housing 208, driven shaft 302 passes both ends bearing 102, two set up fixing base 303 in the middle of the bearing 102, multi-wing impeller 304 cup joints the fixing base 303 outside, multi-wing impeller 304 is provided with a plurality of pterygoid lamina 305, multi-wing impeller 304 sets up fan housing 1 is inside, pterygoid lamina 305 is convex structure, adopts forward curved blade, and the central angle is 0 ~ 90.

Working principle:

a fire-fighting axial-flow type shock-absorbing anti-blocking smoke exhaust fan is a machine capable of rapidly exhausting peculiar smell, high temperature and oil smoke generated in the process of processing food in a kitchen, a multi-wing impeller 304 is arranged in a fan shell 1 and is connected with a driven shaft 302, during operation, power is transmitted to a driving shaft 202 through a motor 203, the driving shaft 201 rotates, the driving shaft 201 and a driven shaft 301 are connected through a transmission belt 207 to drive the driven shaft 302 to rotate, the driven shaft 302 drives a fixed seat 303 to rotate, and the fixed seat 303 drives the multi-wing impeller 304 to rotate, so that the whole fan rotates, and the purpose of exhausting gas is achieved.

The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;

secondly: in the drawings of the disclosed embodiments, only the structures related to the regulations of the disclosed embodiments are referred to, other structures can refer to the common design, and the same embodiment and different embodiments of the utility model can be mutually combined under the condition of no conflict;

finally: the foregoing is illustrative only and is not intended to be limiting of the utility model, as any modifications, equivalents, improvements or changes may be made within the spirit and principles of the utility model.

Claims (5)

1. The utility model provides a fire control axial-flow type shock attenuation prevents blockking up smoke ventilator, includes fan casing (1), actuating mechanism (2) and driven mechanism (3), its characterized in that: the fan casing (1) bottom sets up base (101), base (101) intermediate plane position both ends respectively fixed mounting one bearing (102), fan casing (1) outside sets up two sets of wind collectors (103), two sets of wind collectors (103) are fixed to be set up fan casing (1) outside, hugs closely wind collectors (103) entrance sets up two sets of filters (104), actuating mechanism (2) set up action wheel (201) and driving shaft (202), action wheel (201) cup joints in driving shaft (202) outside, driving shaft (202) power supply passes through motor (203) to be connected, motor (203) bottom sets up shock attenuation board (204), shock attenuation board (204) bottom sets up bumper shock absorber (205), bumper shock absorber (205) bottom surface is connected with carrier (206), driven mechanism (3) set up driven wheel (301) and driven shaft (302), action wheel (201) and driven wheel (301) are connected through driving belt (207), driving belt (207) outside sets up (208), driven shaft (302) power supply passes through motor (203) connection, two fixing base (102) both ends set up impeller (303), the multi-wing impeller (304) is provided with a plurality of wings (305), and the multi-wing impeller (304) is arranged inside the fan housing (1).

2. The fire-fighting axial-flow type shock-absorbing anti-blocking smoke exhaust fan according to claim 1, wherein: the shock absorber (205) comprises a guide column (2051) and a shock absorption spring (2052), and the guide column (2051) is movably connected to the bottom of the shock absorption plate (204) through a bolt.

3. The fire-fighting axial-flow type shock-absorbing anti-blocking smoke exhaust fan according to claim 1, wherein: the filter (104) is tightly attached to the outside of the air collector (103) and is movably connected through bolts.

4. The fire-fighting axial-flow type shock-absorbing anti-blocking smoke exhaust fan according to claim 1, wherein: the wing plate (305) is in a circular arc structure, adopts a forward bending blade, and has a central angle of 0-90 degrees.

5. The fire-fighting axial-flow type shock-absorbing anti-blocking smoke exhaust fan according to claim 1, wherein: the wind collector (103) adopts a conical arc shape and consists of a conical cylinder section and an arc cylinder section, and is fixedly arranged outside the fan shell (1).

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