CN213144807U

CN213144807U - Novel fan

Info

Publication number: CN213144807U
Application number: CN202021532296.9U
Authority: CN
Inventors: 杜玉锋
Original assignee: Dalian Kunbo Machinery Equipment Co ltd
Current assignee: Dalian Kunbo Machinery Equipment Co ltd
Priority date: 2020-07-29
Filing date: 2020-07-29
Publication date: 2021-05-07
Anticipated expiration: 2030-07-29

Abstract

The utility model relates to the technical field of fans, in particular to a novel fan, which comprises an axial flow fan main body, wherein the axial flow fan main body comprises an inner cylinder, a motor and fan blades, the motor is positioned at the front end inside the inner cylinder, and an output shaft of the motor extends out of the front end of the inner cylinder and is fixedly connected with the fan blades; the fairing comprises a cylindrical section and a conical section, the cylindrical section is sleeved at the rear end of the motor, and one end of the cylindrical section, far away from the fan blades, is fixedly connected with the large end of the conical section; the inner diameter of the outer barrel is larger than the outer diameter of the inner barrel, the outer barrel is sleeved at the front end of the inner barrel, the outer barrel and the inner barrel are detachably connected through screws, and the fan blades are located inside the outer barrel. The fairing is arranged on the outer side of the motor, so that the fairing can protect the motor and prevent dust from entering the motor under the driving of airflow when the fan is used; the outer barrel and the inner barrel are detachably connected through screws, so that the fan blades are convenient to clean.

Description

Novel fan

Technical Field

The utility model relates to a fan technical field, concretely relates to novel fan.

Background

The fan is a driven fluid machine which increases the pressure of gas and discharges the gas by means of input mechanical energy. The axial flow fan is a fan commonly used by industrial and mining enterprises, is widely used for ventilation, dust exhaust and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings, ventilation and induced air of boilers and industrial furnaces and kilns, is used for local ventilation, is convenient to install, has obvious ventilation and air exchange effects, is safe, and can be connected with an air receiving cylinder to send air to a designated area.

But axial fan's motor and fan blade are all fixed in the casing of a cylinder at present, and when the ventilation dust exhaust, the dust can be inside the louvre entering motor on the motor under the drive of air current, influences the heat dissipation and the performance of motor, can the adhesion dust on the fan blade after long-time the use moreover, because the fan blade is installed inside the casing, the difficulty of getting up clean is big.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the problem that above-mentioned exists, designed a novel fan, this fan can avoid the dust to get into the motor under the drive of air current, the cleanness of fan blade is simple and convenient.

In order to realize the technical purpose, reach above-mentioned technological effect, the utility model discloses a realize through following technical scheme:

a novel fan comprises

The axial flow fan comprises an axial flow fan main body, wherein the axial flow fan main body comprises an inner cylinder, a motor and fan blades, the motor is positioned at the front end inside the inner cylinder, connecting rods are uniformly fixed at the front end of the motor along the circumferential direction, one end of each connecting rod, which is far away from the motor, is fixedly connected with the inner wall of the inner cylinder, and an output shaft of the motor extends out of the front end of the inner cylinder and is fixedly connected with the fan;

the fairing comprises a cylindrical section and a conical section, the cylindrical section is sleeved at the rear end of the motor, fixing rods are uniformly fixed on the outer wall of the cylindrical section along the circumferential direction, one end of each fixing rod, far away from the cylindrical section, is fixedly connected with the inner wall of the inner cylinder, and one end of each cylindrical section, far away from the fan blades, is fixedly connected with the large end of the conical section;

the fan blade is located inside the outer barrel, and a protective net is fixed to the front end inside the outer barrel.

Furthermore, through holes are evenly formed in the rear end of the outer barrel along the circumferential direction, threaded holes are formed in the outer wall of the inner barrel and correspond to the through holes, and screws penetrate through the through holes and are in threaded connection with the threaded holes.

Further, the protective net is a stainless steel grating net.

Furthermore, there are 4 connecting rods and fixing rods, and the number of screws is 4.

The utility model has the advantages that:

the fairing is arranged on the outer side of the motor, the fairing protects the motor, dust is prevented from entering the motor under the driving of airflow when the fan is used, and the conical section of the fairing is fixed at one end, far away from the fan blades, of the cylindrical section, so that the resistance of the fairing to the airflow is reduced; can dismantle the connection through the screw between urceolus and the inner tube, tear the screw down, take off the urceolus from the inner tube front end, the fan blade leaks by a sudden strain of a muscle outside the inner tube, is convenient for clean the fan blade.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a sectional view of the overall structure of the present invention;

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

FIG. 3 is a schematic structural view of an axial flow fan body;

FIG. 4 is a schematic view of a fairing configuration.

In the drawings, the components represented by the respective reference numerals are listed below:

1-inner cylinder, 11-through hole, 2-motor, 21-connecting rod, 3-fan blade, 4-fairing, 41-cylinder section, 42-cone section, 5-fixing rod, 6-outer cylinder, 7-protective screen, and 8-screw.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, a novel fan comprises an axial flow fan body, a fairing 4 and an outer cylinder 6.

Wherein axial fan main part includes inner tube 1, motor 2 and fan blade 3, and motor 1 is located the inside front end of

inner tube

1, and 2 front ends of motor are evenly fixed with connecting rod 21 along circumference, and wherein connecting rod 21 has 4, and is the cross setting, and connecting rod 21 keeps away from the one end and the 1 inner wall fixed connection of inner tube of motor 2, and motor 2 passes through connecting rod 21 to be fixed inside inner tube 1, and motor 2's output shaft stretches out and with 3 fixed connection of fan blade from the 1 front end of inner tube.

Wherein the fairing 4 includes the cylinder section 41 and conical section 42, the cylinder section 41 is set in the rear end of the electrical machinery 2, the external wall of the cylinder section 41 is fixed with the dead lever 5 evenly along the circumference, wherein there are 4 dead levers 5, set up in cross, one end of the dead lever 5 far away from the cylinder section 41 is fixedly connected with the internal wall of the internal cylinder 1, the fairing 4 is fixed in the internal cylinder 1 through the dead lever 5, one end of the cylinder section 41 far away from the blade 3 is fixedly connected with the big end of the conical section 42, when the blower fan runs, the electrical machinery 2 drives the blade 3 to rotate at high speed, the air is sucked into the internal cylinder 1 from the rear end of the internal cylinder 1, blow out from the front end of the external cylinder 6 under the rotation of the blade 3, the fairing 4 arranged outside the electrical machinery 2 plays a protective role to the electrical machinery 2, prevent the dust from entering the electrical machinery 2 under the drive of the air current to affect the heat, reducing the resistance of the fairing 4 to the airflow.

Wherein the internal diameter of urceolus 6 is greater than the external diameter of inner tube 1, urceolus 6 cover is established at 1 front end of inner tube, can dismantle through screw 8 and be connected between urceolus 6 and the inner tube 1, wherein screw 8 is total 4, the through-hole has evenly been seted up along circumference in the 6 rear end of urceolus, wherein the through-hole is total 4, threaded hole has been seted up to 1 outer wall of inner tube and through-hole corresponding position, screw 8 wear to establish in the through-hole and with the screw hole spiro union, fan blade 3 is located inside the urceolus 6, the inside front end of urceolus 6 is fixed.

The outer barrel 6 can be drawn out from the front end of the inner barrel 1 by screwing off the screw 8, and after the outer barrel 6 is taken down, the fan blade 3 completely leaks outside the inner barrel 1, so that the surface of the fan blade 3 can be cleaned conveniently without disassembling the fan blade 3, and the fan blade 3 is simple and convenient to clean.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art should be able to make changes, alterations, additions or substitutions within the scope of the present invention.

Claims

1. The utility model provides a novel fan which characterized in that: comprises that

2. The novel fan of claim 1, wherein: through holes are uniformly formed in the rear end of the outer barrel along the circumferential direction, threaded holes are formed in the positions, corresponding to the through holes, of the outer wall of the inner barrel, and screws penetrate through the through holes and are in threaded connection with the threaded holes.

3. The novel fan of claim 1, wherein: the protective net is a stainless steel grating net.

4. The novel fan of claim 1, wherein: the connecting rod and the fixed rod are provided with 4 pieces, and the number of the screws is 4.