CN202418032U

CN202418032U - Fan blade of industrial fan

Info

Publication number: CN202418032U
Application number: CN2012200278564U
Authority: CN
Inventors: 何良远; 杨勇; 陈文敏
Original assignee: FOSHAN SHUNDE DISTRICT WEIYUAN MOTOR CO LTD
Current assignee: FOSHAN SHUNDE DISTRICT WEIYUAN MOTOR CO LTD
Priority date: 2012-01-21
Filing date: 2012-01-21
Publication date: 2012-09-05
Anticipated expiration: 2022-01-21

Abstract

The utility model provides a fan blade of an industrial fan; the fan blade comprises a centre shell which is provided with an outer wall and an inner wall; blades which have the same shape and are equidistantly distributed are arranged at the peripheral edge position of the outer wall; a shaft barrel which is used for installing a motor output shaft is arranged at the center position of the center shell; a number of slantwise reinforcing ribs are arranged at the peripheral edge of the shaft barrel and are connected and extended to the inner wall of the center shell all the time; the reinforcing ribs form a vortex shape which is dispersive toward the center shell by centering on the shaft barrel so that the reinforcing ribs not only have the effect of fixing and supporting the center shell, but also lead the torsion force to be uniformly scattered through the reinforcing rips when the motor output shaft rotates; simultaneously the reinforcing ribs more effectively lead the torsion force to be smoother and better push the whole fan blade to rotate; and in addition, when the whole fan blade rotates at high speed, as the whole fan blade is made of a plastic material, the fan blade has the ideal effect of balance and non-vibration.

Description

A kind of Industrial fan flabellum

Technical field

The utility model relates to the Industrial fan aspect, relates in particular to a kind of flabellum that is applied to the Industrial fan aspect, belongs to the accessory of fan.

Background technique

Traditional plastic cement flabellum connect be provided with the output shaft on the position of motor output shaft be the center and to around actiniform stiffening rib, the normal sun shape of claiming of people, every stiffening rib is evenly perpendicular to the position, edge; Form the firm effect that effectively supports flabellum center shell, yet this type flabellum can only be applied on the low-power machines such as family expenses fan or exhaust fan aspect; But can not be applied on the heavy-duty motor, when reason was that heavy-duty motor rotates, motor output shaft had sizable rotation torsion; And fan has the resistance of air when rotating; Form the antagonism with the torsion of motor output shaft, if flabellum connects the hardness of the link position of motor output shaft when being not enough to resist the torsion of motor output shaft, link position will damage and skidding occur; Thereby for the stiffening rib of sun shape; It vertically is connected on the shell of center, and when the heavy-duty motor output shaft rotated, the torsion that is produced was to be clockwise or counterclockwise direction; The vertical support direction of stiffening rib can not with the torsion antagonism of output shaft, as easy as rolling off a logly occur making stiffening rib to fracture or whole flabellum skidded.

Therefore, the flabellum majority that is applied on the market at present on the heavy-duty motor is the iron material matter or the flabellum of smart steel matter, and so, not only increase manufactures a finished product; And manufacturing procedure, and, because the own wt of metal material, and directly increase the weight of fan self; Give when installing to make troubles, when rotating, the most advanced and sophisticated limit of the flabellum gravity of whipping outward can occur simultaneously; Thereby cause the vibration of fan, rotating speed is big more, and the vibration of fan is more severe.

Summary of the invention

For addressing the above problem, the utility model provides a kind of Industrial fan flabellum, mainly through to the stiffening rib of oblique shape is set in the shell of flabellum center, flabellum is had outside the shell of fixed support center, and the twisting force when disperseing motor output shaft to rotate is also arranged simultaneously.

Therefore; The utility model comprises the center shell, and said center shell has outer wall and inwall, wherein; Be provided with in the week of said outer wall equidistantly along the position with etc. the blade of shape; The central position of said center shell is provided with the beam barrel that is used to install motor output shaft, and the periphery of said beam barrel is along the stiffening rib that is provided with some tilted shapes, and connection always extends to the inwall place of center shell.

The angle that said stiffening rib and said beam barrel periphery form is 30---70 degree.

The desired angle of said stiffening rib and said beam barrel periphery is 60 degree.

The vortex shape of equidirectional when wherein, said stiffening rib is set to rotate with motor output shaft.

Said stiffening rib and said center shell, blade, beam barrel are that the integrated punching of plastic material injection moulding forms.

The position, edge of said center shell is provided with the fixed groove that supplies positioning screwn and the fastening installation of motor output shaft.

The beneficial effect of the utility model is that the beam barrel periphery is provided with the stiffening rib of some tilted shapes along the position, and forming with beam barrel is the vortex shape that middle mind-set center shell is dispersed, and has after the shell of fixed support center; Torsion when motor output shaft is rotated disperses through each stiffening rib uniformly; Simultaneously, whole flabellum rotation is more taken advantage of a situation, better promoted to the more effective torsion that makes, and; The integral plastics material of flabellum, the ideal effect that also has balance not tremble during high-speed rotation.

Description of drawings

Fig. 1 is the stereogram of the utility model.

Fig. 2 is the plan view of the utility model.

Embodiment

Do further to detail in conjunction with accompanying drawing and to the utility model; As shown in Figure 1, the utility model comprises center shell 1, and said center shell 1 has outer wall 11 and inwall 12; Wherein, Be provided with in the week of said outer wall 11 equidistantly along the position with etc. the blade 13 of shape, the number of this blade 13 is 3 or 4, the central position of said center shell 1 is provided with the beam barrel 14 that is used to install motor output shaft; The periphery of said beam barrel 14 is along the stiffening rib 15 that is provided with some tilted shapes, and connection always extends to inwall 12 places of center shell 1.

As shown in Figure 2; Said stiffening rib 15 forms for the integrated punching of plastic material injection moulding with said center shell 1, blade 13, beam barrel 14; Said stiffening rib 15 is 30 with the angle that said beam barrel 14 peripheries form---70 degree; Its desirable angle is 60 degree, the vortex shape of equidirectional when said stiffening rib 15 is set to rotate with motor output shaft.

In addition, can be fixed on better on the motor output shaft for making whole industrial flabellum, the position, edge of said center shell 1 is provided with the fixed groove 111 that supplies positioning screwn and the fastening installation of motor output shaft.

Therefore, form the vortex shape of dispersing for middle mind-set center shell 1, have after the fixed support center shell 1 with beam barrel 14 through said stiffening rib 15; Torsion when motor output shaft is rotated disperses through each stiffening rib 15 uniformly, simultaneously, because the true dip direction of stiffening rib 15 is identical with the direction of blade 13 rotations; Comparatively speaking, promptly in the opposite direction with the torsion of motor output shaft, therefore; Utilize the conduction of this stiffening rib 15, can more effectively make torsion more take advantage of a situation, better promote whole flabellum and rotate, and; The integral plastics material of flabellum, the ideal effect that also has balance not tremble during high-speed rotation.

Claims

1. Industrial fan flabellum; Comprise center shell (1); Said center shell (1) has outer wall (11) and inwall (12); Wherein, be provided with in the week of said outer wall (11) equidistantly along the position with etc. the blade (13) of shape, the central position of said center shell (1) is provided with the beam barrel (14) that is used to install motor output shaft; It is characterized in that: the periphery of said beam barrel (14) is along the stiffening rib (15) that is provided with some tilted shapes, and connects the inwall (12) that extends to center shell (1) always and locate.

2. Industrial fan flabellum according to claim 1 is characterized in that: said stiffening rib (15) is 30 with the angle that said beam barrel (14) periphery forms---70 degree.

3. Industrial fan flabellum according to claim 2 is characterized in that: said stiffening rib (15) is 60 degree with the desired angle of said beam barrel (14) periphery.

4. Industrial fan flabellum according to claim 1 is characterized in that: the vortex shape of equidirectional when said stiffening rib (15) is set to rotate with motor output shaft.

5. Industrial fan flabellum according to claim 1 is characterized in that: said stiffening rib (15) forms for the integrated punching of plastic material injection moulding with said center shell (1), blade (13), beam barrel (14).

6. Industrial fan flabellum according to claim 1 is characterized in that: the position, edge of said center shell (1) is provided with the fixed groove (111) that supplies positioning screwn and the fastening installation of motor output shaft.