CN210769437U

CN210769437U - Plastic casing fan

Info

Publication number: CN210769437U
Application number: CN201921819927.2U
Authority: CN
Inventors: 郭文光
Original assignee: Shanghai Heyu Dynamo Co ltd
Current assignee: Shanghai Heyu Dynamo Co ltd
Priority date: 2019-10-28
Filing date: 2019-10-28
Publication date: 2020-06-16
Anticipated expiration: 2029-10-28

Abstract

The utility model discloses a plastic shell fan, which is characterized in that the fan comprises a motor, a plastic shell and a wind wheel; a motor shaft of the motor penetrates into the plastic shell; in the plastic shell, a motor shaft of the motor is connected with a wind wheel shaft; the plastic shell is in a volute shape; the plastic shell outlet is tangent to the circumference of the plastic shell; the technical effect of the utility model lies in, be fit for at low temperature, humidity, condition operation in the perishable environment can not damage the shell, and the life of fan obtains improving, has characteristics with low costs moreover.

Description

Plastic casing fan

Technical Field

The utility model relates to a fan especially relates to a plastic casing fan.

Background

Most of the existing fans are metal shells, but in low-temperature, humid and easily corroded environments, the metal shells are easy to corrode, so that the shells are damaged, the service life of the fans is shortened, and particularly, when the fans are operated in low-temperature environments, such as motors are used in experimental instruments, the main application is that air inside and outside experimental instrument equipment circulates to blow the air to a working environment inside the equipment, and the existing air shells are not suitable for being operated in low-temperature, humid and easily corroded environments.

SUMMERY OF THE UTILITY MODEL

The utility model aims at realizing a plastic shell fan according to the defects of the prior art, which is characterized in that the plastic shell fan comprises a motor, a plastic shell and a wind wheel; a motor shaft of the motor penetrates into the plastic shell; in the plastic shell, a motor shaft of the motor is connected with the wind wheel shaft; the plastic shell is in a volute shape; the plastic shell outlet is tangent to the circumference of the plastic shell.

Further, the motor also comprises a rear cooling fan, a motor screw, a rear end cover, a rear bearing, a rotor, a front bearing, a C-shaped silicon steel sheet, a motor coil bracket, an I-shaped silicon steel sheet, an enameled coil, a volute screw, a front end cover and a front cooling fan; fixing a front end cover on the plastic shell by using a volute bolt; a front heat radiation fan is arranged in the front end cover; one end of the motor shaft penetrates into the front radiating fan, and a front bearing is arranged on the motor shaft; the front bearing is embedded into the front end cover, and a C-shaped silicon steel sheet penetrates through the motor shaft; arranging an enameled coil in the C-shaped silicon steel sheet; a motor coil bracket is arranged in the enameled coil; the I-shaped silicon steel sheet is arranged on the outer ring of the C-shaped silicon steel sheet; a rotor is arranged in the middle of the motor shaft; the other end of the motor shaft is provided with a rear bearing; a rear end cover is arranged on the rear bearing; the motor screw penetrates through the rear end cover and the C-shaped silicon steel sheet to be fixed with the front end cover; a rear heat radiation fan is arranged behind the rear end cover.

Further, the plastic shell is made of ABS material or polycarbonate material.

Furthermore, a plurality of fixing holes are formed in the outer ring of the plastic shell.

Further, a filter is arranged at the outlet of the plastic shell.

The technical effect of the utility model lies in, be fit for at low temperature, humidity, condition operation in the perishable environment can not damage the shell, and the life of fan obtains improving, has characteristics with low costs moreover.

Drawings

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

Fig. 2 is a schematic diagram of the blasting of the present invention.

Fig. 3 is a solid view of the blower housing of the present invention.

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

With reference to fig. 1 and fig. 2, the embodiment discloses a plastic casing fan, which includes a motor 20, a plastic casing 15, and a wind wheel 16; the motor shaft 5 of the motor 20 penetrates into the plastic shell 15; in the plastic shell 15, a motor shaft 5 of a motor 20 is connected with a wind wheel 16 through a shaft; the plastic shell 15 is in a volute shape; the outlet of the plastic shell 15 is tangent to the circumference of the plastic shell 15; the fan shell structure is suitable for operating in low-temperature, humid and easily-corroded environments, the shell cannot be damaged, the service life of the fan is prolonged, and the fan shell structure has the characteristic of low cost.

In order to further realize the structure of the fan, a motor 20 is arranged behind the fan in the embodiment for driving, and the motor 20 further comprises a rear cooling fan 1, a motor screw 2, a rear end cover 3, a rear bearing 4, a rotor 6, a front bearing 7, a C-shaped silicon steel sheet 8, a motor coil bracket 9, an I-shaped silicon steel sheet 10, an enameled coil 11, a volute screw 12, a front end cover 13 and a front cooling fan 14; the front end cover 13 is fixed on the plastic shell 16 by a volute bolt 12; a front heat radiation fan 14 is arranged in the front end cover 13; one end of the motor shaft 5 penetrates into the front heat radiation fan 14, and a front bearing 7 is arranged on the motor shaft 5; the front bearing 7 is embedded into the front end cover 13, and the C-shaped silicon steel sheet 8 penetrates through the motor shaft 5; an enameled coil 11 is arranged in the C-shaped silicon steel sheet 8; a motor coil bracket 9 is arranged in the enameled coil 11; the I-shaped silicon steel sheet 10 is arranged on the outer ring of the C-shaped silicon steel sheet 8; a rotor 6 is arranged in the middle of the motor shaft 5; the other end of the motor shaft 5 is provided with a rear bearing 4; a rear end cover 3 is arranged on the rear bearing 4; the motor screw 2 penetrates through the rear end cover 3 and the C-shaped silicon steel sheet 8 to be fixed with the front end cover 13; the rear heat radiation fan 1 is arranged behind the rear end cover 4.

In the embodiment, a rear heat radiation fan 1 and a front heat radiation fan 13 are used, a rear end cover 3 and a front end cover 13 are fixed on a C-shaped silicon steel sheet 8 by a motor screw 2, a motor shaft 5 is mainly supported by a rear bearing 4 and a front bearing 7, the main purpose is to support the shaft to move circularly, a rotor 6 is riveted on the motor shaft 5, and under the condition of power supply of the motor, rotary power is generated;

as shown in fig. 3, the plastic housing 16 is made of plastic, and the main material is ABS material or polycarbonate material in engineering plastics; the air-conditioning fan is suitable for operating under low temperature conditions, low in use cost, convenient to form by engineering plastics, and beneficial to optimizing the air duct of the fan, improving the fan, reducing noise and the like.

As shown in fig. 3, in addition, in order to realize the mounting structure, a plurality of fixing holes 17 are provided on the outer ring of the plastic case 16. In order to achieve the effect of filtering the air and the effect of dampening the sound, a filter 18 is provided at the outlet of the plastic housing 16.

As a preferred embodiment of the present invention, it is obvious to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention, and that the scope of the present invention is also encompassed by the present invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A plastic shell fan is characterized by comprising a motor, a plastic shell and a wind wheel; a motor shaft of the motor penetrates into the plastic shell; in the plastic shell, a motor shaft of the motor is connected with the wind wheel shaft; the plastic shell is in a volute shape; the plastic shell outlet is tangent to the circumference of the plastic shell.

2. The plastic casing fan as claimed in claim 1, wherein the motor further comprises a rear heat dissipation fan, a motor screw, a rear end cover, a rear bearing, a rotor, a front bearing, a C-shaped silicon steel sheet, a motor coil bracket, an I-shaped silicon steel sheet, an enameled coil, a volute screw, a front end cover, and a front heat dissipation fan; fixing a front end cover on the plastic shell by using a volute bolt; a front heat radiation fan is arranged in the front end cover; one end of the motor shaft penetrates into the front radiating fan, and a front bearing is arranged on the motor shaft; the front bearing is embedded into the front end cover, and a C-shaped silicon steel sheet penetrates through the motor shaft; arranging an enameled coil in the C-shaped silicon steel sheet; a motor coil bracket is arranged in the enameled coil; the I-shaped silicon steel sheet is arranged on the outer ring of the C-shaped silicon steel sheet; a rotor is arranged in the middle of the motor shaft; the other end of the motor shaft is provided with a rear bearing; a rear end cover is arranged on the rear bearing; the motor screw penetrates through the rear end cover and the C-shaped silicon steel sheet to be fixed with the front end cover; a rear heat radiation fan is arranged behind the rear end cover.

3. The plastic casing fan of claim 1, wherein the plastic casing is an ABS material or a polycarbonate material.

4. The plastic casing fan of claim 3, wherein the outer ring of the plastic casing is provided with a plurality of fixing holes.

5. A plastics housing blower according to claim 4 in which a filter is provided at the outlet of the plastics housing.