CN218817103U

CN218817103U - Moisture-proof axial flow fan

Info

Publication number: CN218817103U
Application number: CN202223091587.0U
Authority: CN
Inventors: 王支业; 王瀑权; 冯英卫; 杨帆
Original assignee: Xuzhou Dayuan Electromotor Co ltd
Current assignee: Xuzhou Dayuan Electromotor Co ltd
Priority date: 2022-11-17
Filing date: 2022-11-17
Publication date: 2023-04-07
Anticipated expiration: 2032-11-17

Abstract

The utility model relates to an axial-flow fan field especially relates to a dampproofing type axial-flow fan. Its technical scheme includes support, drum shell and wind-collecting cover, drum shell fixed mounting is on the top of support, the one end of drum shell inserts and fixed mounting has the wind-collecting cover, the inside rotation of wind-collecting cover installs the pivot, the one end fixed mounting of pivot has the flabellum, the inside fixed mounting of drum shell has the kuppe, the inside fixed mounting of kuppe has the motor, the output of motor is connected with the one end block of pivot. Drive the flabellum through the motor and rotate, then can inhale the air current inside the drum shell, can carry out the water conservancy diversion to the air current that gets into in the shell by the kuppe, can let the direct afterbody from the drum shell of moisture air current discharge, avoid air current and motor contact, can reduce the probability of moisture and motor contact, effectively reduce the probability of motor corrosion, improved axial fan's life greatly.

Description

Moisture-proof axial flow fan

Technical Field

The utility model relates to an axial-flow fan field especially relates to a dampproofing type axial-flow fan.

Background

The axial flow fan is the most common ventilation and air supply equipment in the market at present, and is called as axial flow because air flows parallel to the fan shaft, namely, the air flows in the same direction with the shaft of the fan blade, such as an electric fan, and an air conditioner external fan is an axial flow type running fan. Especially, the axial-flow type ventilator for the aquatic product processing workshop runs in a high-humidity environment for a long time, so that the probability of rusting of internal parts of the ventilator can be reduced by carrying out moisture protection on the axial-flow type ventilator.

In the actual use process of the existing axial flow fan, most of the existing axial flow fans are composed of a cylindrical shell, and a motor and fan blades which are arranged in the shell, and because a dehumidification structure is not additionally arranged at an air inlet port of the shell, moisture is easily attached to the motor, so that the probability of motor corrosion is increased, and the service life of the axial flow fan is obviously reduced; in view of this, we propose a moisture-proof axial flow fan capable of reducing the amount of moisture contacting the motor and thereby improving its service life.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the problem that exists among the background art, propose can reduce moisture and motor contact volume and with this improve its life's a moisture-proof type axial fan.

The technical scheme of the utility model: the utility model provides a moisture-proof type axial fan, includes support, drum shell and air collecting cover, drum shell fixed mounting is on the top of support, the one end of drum shell inserts and fixed mounting has the air collecting cover, the pivot is installed in the inside rotation of air collecting cover, the one end fixed mounting of pivot has the flabellum, the inside fixed mounting of drum shell has the kuppe, the inside fixed mounting of kuppe has the motor, the output of motor is connected with the one end block of pivot.

Preferably, the air guide sleeve consists of an arc-shaped inclined plane and an upwind prevention concave surface, a heat dissipation opening is formed in one end, far away from the air collecting cover, of the air guide sleeve, and heat dissipation of the motor can be guaranteed through the heat dissipation opening.

Preferably, the one end fixed mounting of kuppe has rubber seal, rubber seal keeps away from the one end of kuppe and the outer wall in close contact with of wind-collecting cover, can prevent through rubber seal that moisture from inside the gap entering kuppe of kuppe and wind-collecting cover contact part, improves its sealed effect.

Preferably, the air inlet port department fixed mounting of wind-collecting housing has the dust screen, the flabellum is installed in the inboard of dust screen, can reduce the inside volume of dust entering fan through the dust screen, improves its dustproof effect.

Preferably, a plurality of air outlets are formed in one end, far away from the dustproof net, of the wind gathering cover, the air outlets are distributed in an annular mode, and air flow in the wind gathering cover can be guaranteed to enter the cylinder shell through the air outlets.

Preferably, the one end fixed mounting of pivot has the connecting seat, the output shaft of motor inserts inside the connecting seat and is a style of calligraphy joint rather than, adopts a style of calligraphy joint structure, conveniently carries out the split to the output shaft and the pivot of motor.

Compared with the prior art, the utility model discloses following profitable technological effect has: drive the flabellum through the motor and rotate, then can inhale the air current inside the drum shell, can carry out the water conservancy diversion to the air current that gets into in the shell by the kuppe, can let the direct afterbody from the drum shell of moisture air current discharge, avoid air current and motor contact, can reduce the probability of moisture and motor contact, effectively reduce the probability of motor corrosion, improved axial fan's life greatly.

Drawings

Fig. 1 shows a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the middle cylinder housing and the wind-collecting cover of the present invention;

FIG. 3 is a schematic view of the structure of the wind collecting cover of the present invention;

fig. 4 is a schematic view of the structure of the middle dome of the present invention.

Reference numerals are as follows: 1. a support; 2. a cylindrical housing; 3. a wind gathering cover; 31. a dust screen; 32. an air outlet; 4. a pod; 41. an arc-shaped inclined plane; 42. a headwind prevention concave surface; 43. a rubber seal ring; 5. a motor; 6. a rotating shaft; 61. a connecting seat; 7. a fan blade.

Detailed Description

The following describes the technical solution of the present invention with reference to the accompanying drawings and specific embodiments.

Examples

As shown in fig. 1-4, the utility model provides a moisture-proof axial flow fan, including support 1, the top of support 1 is welded and is equipped with drum shell 2, can carry out the stable support to drum shell 2 through support 1, in axial flow fan use, ensure that it can firmly be installed in the workshop, the one end of this drum shell 2 is inserted and is equipped with wind-collecting cover 3 through screw fixation, wind-collecting cover 3 is inside to rotate through the mounting bracket and is installed pivot 6, the one end fixed mounting of this pivot 6 has flabellum 7, still through mounting bracket fixed mounting has kuppe 4 inside the above-mentioned drum shell 2, the one end of kuppe 4 and wind-collecting cover 3 in close contact with, and cut a plurality of air outlets 32 that are distributed like the ring on wind-collecting cover 3, ensure that the air current in wind-collecting cover 3 can pass air outlet 32 and enter inside drum shell 2; the motor 5 is fixedly installed in the air guide sleeve 4, an output shaft of the motor 5 is connected with the rotating shaft 6 in a clamping mode, the motor 5 can drive the fan blades 7 to rotate, a connecting seat 61 is welded at one end of the rotating shaft 6, a linear bayonet is drilled on the connecting seat 61, a linear clamping block is cast on the output shaft of the motor 5, the clamping block is tightly clamped with the bayonet after being embedded in the bayonet, and the linear clamping structure is adopted, so that the motor 5 and the rotating shaft can be conveniently disassembled and assembled; the air guide sleeve 4 consists of an arc-shaped inclined surface 41 and a counter-wind preventing concave surface 42 which are integrally formed by adopting a casting process, and can guide the air flow entering the cylinder shell 2 and ensure that the air flow with moisture is discharged from an air outlet at the end part of the cylinder shell 2.

Furthermore, rubber seal 43 is bonded to one end of the air guide sleeve 4, when the air collecting cover 3 is fixedly mounted on the cylindrical shell 2, the rubber seal 43 is in close contact with the outer wall of the air collecting cover 3, a gap between the air collecting cover 3 and the contact end face of the air guide sleeve 4 can be sealed through the rubber seal 43, moisture can be prevented from entering the air guide sleeve 4 from the gap, and the probability that the motor 5 contacts the moisture is further reduced.

Furthermore, a heat dissipation port is further arranged at one end of the air guide sleeve 4, which is far away from the air gathering cover 3, and the heat dissipation port is mainly used for dissipating heat exhausted by the motor 5, so that the heat generated in the operation state of the motor 5 is prevented from being accumulated in the air guide sleeve 4, the normal heat dissipation of the motor 5 is ensured, and the service cycle of the motor 5 is prevented from being influenced; and in the process of discharging the hot air formed by the part of heat, the hot air can impact the moisture airflow around the outlet end of the air guide sleeve 4, so that the probability that moisture enters the air guide sleeve 4 from the heat dissipation port at the tail part of the air guide sleeve 4 can be further prevented.

In this embodiment, the fan blade 7 is driven to rotate by the motor 5, so that moisture in the aquatic product processing workshop can be sucked into the air collecting cover 3, and then air flow is discharged into the cylindrical shell 2 from the air outlet 32, at this time, the moisture can flow to the tail of the cylindrical shell 2 under the flow guiding effect of the arc-shaped inclined surface 41, and then the probability that the moisture enters the air guide cover 4 can be reduced under the action of the counter-wind preventing concave surface 42, so that the probability that the moisture is in contact with the motor 5 can be reduced, the motor 5 is prevented from being rusted due to the contact with the moisture, and the service life of the axial flow fan can be prolonged; air inlet port department fixed assembly of wind collecting cover 3 has dust screen 31, can reduce the inside probability of dust entering axial fan, because the output shaft of pivot 6 and motor 5 adopts a style of calligraphy joint structure to be connected, when the two block butt joint back, can guarantee that motor 5 drives pivot 6 and rotates, when needs pull down wind collecting cover 3 from the tip of drum shell 2, a style of calligraphy joint structure can not cause the hindrance to the dismantlement of the two, the convenience is overhauld and is maintained wind collecting cover 3.

The above embodiments are merely some preferred embodiments of the present invention, and those skilled in the art can make various alternative modifications and combinations to the above embodiments based on the technical solution of the present invention and the related teachings of the above embodiments.

Claims

1. The utility model provides a moisture-proof type axial fan, includes support (1), drum shell (2) and wind-collecting cover (3), its characterized in that: the utility model discloses a wind-shield assembly, including drum shell (2), drum shell (2) fixed mounting is on the top of support (1), the one end of drum shell (2) is inserted and fixed mounting has wind-collecting cover (3), wind-collecting cover (3) inside rotation installs pivot (6), the one end fixed mounting of pivot (6) has flabellum (7), the inside fixed mounting of drum shell (2) has kuppe (4), kuppe (4) inside fixed mounting has motor (5), the output of motor (5) is connected with the one end block of pivot (6).

2. A moisture-proof axial-flow fan according to claim 1, wherein the air guide sleeve (4) is composed of an arc-shaped inclined surface (41) and a reverse wind prevention concave surface (42), and a heat radiating port is arranged at one end of the air guide sleeve (4) far away from the air collecting cover (3).

3. The moisture-proof axial flow fan as claimed in claim 1, wherein a rubber sealing ring (43) is fixedly mounted at one end of the air guide sleeve (4), and one end of the rubber sealing ring (43) far away from the air guide sleeve (4) is in close contact with the outer wall of the air collecting cover (3).

4. The moisture-proof axial-flow fan as claimed in claim 1, wherein a dust screen (31) is fixedly installed at an air inlet port of the wind-gathering cover (3), and the fan blades (7) are installed inside the dust screen (31).

5. A moisture-proof axial-flow fan according to claim 1, wherein the wind-gathering cover (3) is perforated with a plurality of wind outlets (32) at an end away from the dust screen (31), and the plurality of wind outlets (32) are annularly distributed.

6. The moisture-proof axial flow fan as claimed in claim 1, wherein a connecting seat (61) is fixedly installed at one end of the rotating shaft (6), and the output shaft of the motor (5) is inserted into the connecting seat (61) and is in a straight-line clamping connection with the connecting seat.