CN201521481U

CN201521481U - Impeller

Info

Publication number: CN201521481U
Application number: CN2009202107402U
Authority: CN
Inventors: 夏高丰; 杭正新; 顾春胜
Original assignee: Futai Clean TECH (Kunshan) Co Ltd
Current assignee: Futai Clean TECH (Kunshan) Co Ltd
Priority date: 2009-10-14
Filing date: 2009-10-14
Publication date: 2010-07-07
Anticipated expiration: 2019-10-14

Abstract

The utility model discloses an impeller, which comprises a bottom cover and vanes arranged on the bottom cover. The impeller is characterized in that the bottom cover of the vanes is concave inwards, and the concave height of the bottom cover of the vanes is 50%-70% of the height of the impeller. By utilizing a center concave type structure, the impeller effectively reduces integral height of a fan after being provided with a motor, and has the advantages of small volume. Simultaneously, by utilizing a rear wing type structure, the impeller can effectively reduce vibration of the fan, reduces fan noise, and simultaneously increase air pressure and air quantity. In addition, the impeller and the motor are in split arrangement, and the impeller can match with various motors and then has the advantages of multiple functions, convenient use and the like.

Description

A kind of impeller

Technical field

The utility model relates to a kind of industrial draught fan impeller, especially can with the detachable impeller of installing of motor.

Background technique

At present industrial employed blower fan normally impeller and motor be wholely set, need together install, dismantle or change, caused the equipment cost height, maintenance difficult.The volume of impeller adds the volume of motor simultaneously, causes the blower fan volume bigger.And existing impeller mostly is front wing formula structure, and impeller radian direction is identical with the wheel rotation direction, causes bladed disk vibration bigger than normal, and noise is higher.

The model utility content

Impeller of the present utility model has solved an above-mentioned difficult problem, and a kind of impeller that volume is little, energy consumption is low, noise is low, can mate multiple different motors that has is provided.

The technical solution of the utility model provides a kind of impeller, comprises bottom and the blade that is installed on the bottom, and it is characterized in that: described blade bottom caves inward, and the height of described blade bottom depression is the 50%-70% of described impeller height.

Preferably, described blade is the arcuate structure along the opposite direction extension of wheel rotation direction.

Preferably, described bottom is provided with the mounting hole of installation motor shaft and the fixing bolt of fixing motor rotating shaft.

Impeller of the present utility model is owing to adopt central concave formula structure, reduced the blower fan whole height of installing behind the motor effectively, has the little advantage of volume.Adopt rear wing formula structure can effectively reduce the vibration of blower fan simultaneously, reduced fan noise, improved blast and air quantity simultaneously.Characteristics such as and impeller and motor split be provided with, and can mate multiple motor, and it is many to have function, easy to use.

Description of drawings

Fig. 1 is the Vertical direction cross-sectional view of the utility model preferred embodiment impeller;

Fig. 2 is the plan view of impeller shown in Figure 1.

Embodiment

Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.

As depicted in figs. 1 and 2, the impeller of the utility model preferred embodiment comprises blade 8 and the bottom 10 that is wholely set.Blade 8 is along the arc setting of the opposite direction extension of wheel rotation direction.Bottom 10 caves inward, and the height of depression is about the 50%-70% of impeller height.The center is provided with the screw hole 16 that is used to that the circular hole 14 of motor shaft (not shown) is installed and is used for fixing motor shaft.

In use, because impeller bottom 10 centers cave inward, motor just in time is installed in recess, thereby effectively reduces the blower fan height after the installation.And because blade 8 is to adopt the rear wing formula structure of extending along the opposite direction of wheel rotation direction, and few 6 to 8 of required blade get final product, and the air quantity of generation is big during work, and blast is big, vibrates lessly, and noise is low.

Above embodiment only is the utility model a kind of mode of execution wherein, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model design, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.

Claims

1. an impeller comprises bottom and the blade that is installed on the described bottom, and it is characterized in that: described bottom caves inward, and the height of described bottom depression is the 50%-70% of described impeller height.

2. impeller according to claim 1 is characterized in that: described blade is the arcuate structure along the opposite direction extension of wheel rotation direction.

3. impeller according to claim 1 and 2 is characterized in that: described bottom is provided with the mounting hole of installation motor shaft and the fixing bolt of fixing motor rotating shaft.