CN217518956U - Explosion-proof induced jet fan - Google Patents

Abstract

The utility model discloses an explosion-proof induced jet fan, including the box, install in the box through motor drive's impeller, be equipped with a plurality of air-out passageways of air intake and containing the air outlet on the box, install the nozzle on the air outlet, air intake department is provided with dust keeper, install the tripe of hanging down certainly in the air-out passageway. The utility model provides a under out of work state, prevent that the foreign matter from getting into inside explosion-proof induced jet fan.

Description

Explosion-proof induced jet fan

Technical Field

The utility model relates to an explosion-proof induced efflux fan belongs to fan technical field.

Background

The induction fan is also called a jet fan and a relay fan, is mainly used for sequentially arranging a plurality of induction fans according to a certain interval under the condition of no air pipe, and drives the induced and circulated static air by a small amount of high-speed jet air, so that the high-efficiency and economic ventilation and air exchange effects are achieved.

Disclosure of Invention

The utility model aims to solve the technical problem that an explosion-proof induced jet fan is provided, under out of operation state, prevent that the foreign matter from getting into inside, can solve the not enough of prior art.

The technical scheme of the utility model is that: the utility model provides an explosion-proof induced efflux fan, includes the box, installs in the box through motor drive's impeller, is equipped with the air intake on the box and contains a plurality of air-out passageways of air outlet, installs the nozzle on the air outlet, air intake department is provided with dust keeper, install the tripe that hangs down certainly in the air-out passageway.

Further rain-proof tripe is installed to air intake department, dust keeper is the dust screen that is located the air intake outside, rain-proof tripe is located the air intake inboard.

Further the air inlet is in an outward-expanding horn mouth shape.

Further, a sound attenuation material is arranged on the inner side of the box body.

The nozzle is a universal ball nozzle or a flexible tube nozzle.

The motor is an explosion-proof motor arranged outside the box body, a rotating shaft driven by the motor is arranged in the box body, the rotating shaft is provided with the impeller, and a volute casing is arranged outside the impeller.

Through implementing the utility model discloses, the impeller in the motor drive box rotates, the air gets into from the air intake of box, nozzle discharge through the air outlet, under the fan operating condition, will be in the open mode from the tripe that hangs down, do not influence normal ventilation, the fan is when out of work, from the tripe self-closing that hangs down cuts off the air-out passageway, prevent that the foreign matter from getting into the box from the air outlet, dust keeper is installed at the air intake, prevent the foreign matter from getting into from the air intake, play the filtered air's effect to the entering simultaneously under the state of fan work.

Drawings

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

fig. 2 is a top view of the present invention;

FIG. 3 is a sectional view taken along line B of FIG. 2;

FIG. 4 is an installation view of the nozzle and the dust-proof device.

Shown in the figure: a box body 1; a motor 2; an impeller 3; an air inlet 4; an air outlet 5; an air outlet channel 6; a nozzle 7; a dust-proof device 8; a self-hanging louver 9; a rainproof louver 10; a volute casing 11.

Detailed Description

The embodiment of the utility model provides a: as shown in fig. 1 to 4, an explosion-proof induced jet fan comprises a box body 1, an impeller 3 driven by a motor 2 is installed in the box body 1, an air inlet 4 and three air outlet channels 6 respectively including an air outlet 5 are arranged on the box body 1, a nozzle 7 is installed on the air outlet 5, a dustproof device 8 is arranged at the position of the air inlet 4, self-hanging shutters 9 are respectively installed in the three air outlet channels 6, the motor 2 is an explosion-proof motor installed outside the box body 1, a rotating shaft driven by the motor 2 is installed in the box body 1, the impeller 3 is arranged on the rotating shaft, a volute casing 11 is arranged outside the impeller 3, the motor 2 is installed at one side of the box body 1, the air inlet 4 is located at the other side, the motor 2 drives the impeller 3 in the box body 1 to rotate, air enters from the air inlet 4 of the box body 1 and is guided by the volute casing 11 to be discharged through the nozzle 7 of the air outlet 5, and the self-hanging shutters 9 are in an open state when the fan is in a working state, normal ventilation is not influenced, and the fan is when out of work, from hanging down tripe 9 self-closing and cutting off air-out passageway 6, prevents that the foreign matter from getting into box 1 from air outlet 5, installs dust keeper 8 at air intake 4, prevents the foreign matter from getting into from air intake 4, plays the filtration's of air to the entering simultaneously under the state of fan work.

Preferably, the air inlet 4 is provided with a rainproof shutter 10, the dustproof device 8 is a dustproof net positioned outside the air inlet 4, the rainproof shutter 10 is positioned inside the air inlet 4, the dustproof net and the rainproof shutter 10 perform double protection, the dustproof net plays a role in filtering air to prevent fixed foreign matters from entering, and the rainproof shutter 10 plays a role in preventing rainwater from entering.

Preferably, the air inlet 4 is in the shape of an outward flared bell mouth, which on one hand has a flow collecting effect and is beneficial to air flow concentration and on the other hand is beneficial to rainwater drainage stopped by the rain-proof shutter 10.

Preferably, the sound-deadening material is provided inside the box body 1, the box plate of the box body 1 is a folded plate material, and the sound-deadening material such as glass wool is provided inside the box body, and the box body is connected, assembled and formed by fastening members such as tapping bolts, thereby achieving the purpose of reducing noise.

As a preferred choice, nozzle 7 is universal spherical nozzle or flexible tubular nozzle, can adjust the spout angle of nozzle 7 wantonly, adapts to different designs and on-the-spot actual need, and the unit is miniaturized, promotes fan efficiency.

Claims (6)

1. The utility model provides an explosion-proof induced efflux fan, includes the box, installs in the box through motor drive's impeller, is equipped with the air intake on the box and contains a plurality of air-out passageways of air outlet, installs nozzle, its characterized in that on the air outlet: the air inlet is provided with a dustproof device, and a self-hanging louver is installed in the air outlet channel.

2. The explosion-proof induced jet fan of claim 1, wherein: the air inlet department installs rain-proof tripe, dust keeper is the dust screen that is located the air inlet outside, rain-proof tripe is located the air inlet inboard.

3. The explosion-proof induced jet fan of claim 2, wherein: the air inlet is in an outward-expanding horn mouth shape.

4. The explosion-proof induced jet fan of claim 1, wherein: the inner side of the box body is provided with a silencing material.

5. The explosion-proof induced jet fan of claim 1, wherein: the nozzle is a universal spherical nozzle or a flexible pipe nozzle.

6. The explosion-proof induced jet fan of claim 1, wherein: the motor is an explosion-proof motor arranged outside the box body, a rotating shaft driven by the motor is arranged in the box body, the rotating shaft is provided with the impeller, and a volute casing is arranged outside the impeller.

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