CN218093620U

CN218093620U - Fixing mechanism applied to connection of fan blades and motor spindle

Info

Publication number: CN218093620U
Application number: CN202222587593.9U
Authority: CN
Inventors: 金展
Original assignee: Wenling Tianlun Motor Co ltd
Current assignee: Wenling Tianlun Motor Co ltd
Priority date: 2022-09-29
Filing date: 2022-09-29
Publication date: 2022-12-20
Anticipated expiration: 2032-09-29

Abstract

The utility model belongs to the technical field of motor accessories, especially, be applied to fixed establishment that flabellum and motor spindle are connected, including motor body, motor body's inside is equipped with the output shaft, the rear end of output shaft is fixed with the mount pad, the inside rotation of outer fringe of mount pad is connected with four chucks that evenly encircle the distribution, the inner of chuck is fixed with the lug, the inside sliding connection of mount pad has the ring stand, the fan is installed to the rear end of mount pad, the fan is including installation cover and flabellum, the installation cover is located the inside of mount pad, the outer wall of installation cover is fixed with the flabellum, the one end threaded connection of output shaft has the bolt, motor body's rear end fixed mounting has the back cover, it rotates the in-process at the fan to have solved, especially, in the fan begins the pivoted time, the effort between pin and the recess is very big, the pin is easy to be out of shape, easily not hard up between flabellum and the motor output shaft, cause the relatively poor problem of connection stability between flabellum and the motor output shaft.

Description

Fixing mechanism applied to connection of fan blades and motor spindle

Technical Field

The utility model belongs to the technical field of the motor accessory, concretely relates to be applied to fixed establishment that flabellum and motor spindle are connected.

Background

An electric motor is a device that converts electrical energy into mechanical energy. The motor mainly comprises a stator and a rotor, and the direction of the forced movement of an electrified lead in the magnetic field is related to the current direction and the direction of a magnetic induction line. The working principle of the motor is that the magnetic field exerts force on current to rotate the motor.

The existing connection mode of the motor output shaft and the fan blades is generally that a through hole is formed in the motor output shaft, a pin penetrates through the through hole, a groove matched with the diameter of the pin is formed in the position, sleeved on the motor output shaft, of the fan blades, the rotating disc is directly sleeved on the motor output shaft, then the rotating disc is moved to enable the pin to be embedded into the groove, connection of the fan blades and the motor output shaft can be achieved, then the rotating disc is tightly pressed through threads on the end surface of the motor output shaft in a screw sleeve matching mode, and fixation of the fan blades is achieved.

In the rotation process of the fan, particularly in the time when the fan starts to rotate, the acting force between the pin and the groove is large, the pin is easy to deform, and the fan blades and the motor output shaft are easy to loosen, so that the connection stability between the fan blades and the motor output shaft is poor; in view of the problems exposed during the use of the current motor accessories, there is a need for structural improvements and optimizations of the motor accessories.

SUMMERY OF THE UTILITY MODEL

For solving the above-mentioned problem that exists among the prior art, the utility model provides a be applied to fixed establishment of flabellum and motor spindle connection, the loading and unloading that has the fan only need a nut can, the fast loading and unloading of being convenient for, and the more firm characteristics in the fixed back of installation.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a be applied to fixed establishment that flabellum and motor spindle are connected, includes the motor body, the inside of motor body is equipped with the output shaft, the rear end of output shaft is fixed with the mount pad, the inside rotation of outer fringe of mount pad is connected with four chucks that evenly encircle the distribution, the inner of chuck is fixed with the lug, the inside sliding connection of mount pad has the ring frame, the fan is installed to the rear end of mount pad, the fan is including installation cover and flabellum, the installation cover is located the inside of mount pad, the outer wall of installation cover is fixed with the flabellum, the one end threaded connection of output shaft has the bolt, the rear end fixed mounting of motor body has the back lid.

As the utility model discloses a be applied to the preferred technical scheme of fixed establishment that flabellum and motor spindle are connected, four fixed slots that evenly encircle the distribution are seted up to the outer wall of installation cover.

As the utility model discloses a be applied to preferred technical scheme of fixed establishment that flabellum and motor spindle are connected, the annular has been seted up to the outer wall of ring frame, and the lug is located the inside of ring frame outer wall annular.

As the utility model discloses a be applied to the preferred technical scheme of fixed establishment that flabellum and motor spindle are connected, four angles of lug are the arc structure.

As the utility model discloses a be applied to the preferred technical scheme of fixed establishment that flabellum and motor spindle are connected, the internally mounted of mount pad has the spring.

Compared with the prior art, the beneficial effects of the utility model are that: the bolt is taken down after the bolt is unscrewed through rotation, the ring frame is pushed to move outwards through the resilience pressure of the spring, the ring frame drives the chuck to turn outwards through the bump, the outer end of the chuck is separated from the fixed groove on the mounting sleeve, and the fan can be detached and taken down; when the fan is installed, the installation sleeve is inserted into the installation seat, the bolt passes through the installation sleeve, the ring frame and the installation seat once and is connected with the internal thread of the output shaft, the installation sleeve is extruded by the bolt screwed up in a rotating mode, the installation sleeve pushes the ring frame to be matched with the lug to drive the chuck to turn inwards to be tightened, the outer end of the chuck clamps and fixes the installation sleeve, and only one nut is needed for loading and unloading of the fan.

When the chucks at four ends are used for clamping, the outer ends of the chucks are inserted into the fixing grooves in the mounting sleeve, so that the phenomenon that the fan is rotated and loosened with the output shaft after being mounted and fixed is avoided.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a perspective view of the fan assembly of the present invention;

FIG. 3 is a schematic view of a fan according to the present invention;

FIG. 4 is a cross-sectional view of the connection between the fan and the output shaft of the present invention;

fig. 5 is a cross-sectional view of the mounting base of the present invention;

in the figure: 1. a motor body; 2. an output shaft; 3. a mounting seat; 4. a chuck; 5. a bump; 6. a ring frame; 7. a fan; 8. installing a sleeve; 9. a fan blade; 10. fixing grooves; 11. a bolt; 12. a spring; 13. and (7) a rear cover.

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.

Examples

Referring to fig. 1-5, the present invention provides the following technical solutions: the utility model provides a be applied to fixed establishment that flabellum and motor spindle are connected, including motor body 1, motor body 1's inside is equipped with output shaft 2, output shaft 2's rear end is fixed with mount pad 3, the outer fringe internal rotation of mount pad 3 is connected with four evenly around the chuck 4 of distribution, the inner of chuck 4 is fixed with lug 5, the inside sliding connection of mount pad 3 has ring frame 6, fan 7 is installed to the rear end of mount pad 3, fan 7 is including installation cover 8 and flabellum 9, installation cover 8 is located the inside of mount pad 3, the outer wall of installation cover 8 is fixed with flabellum 9, the one end threaded connection of output shaft 2 has bolt 11, motor body 1's rear end fixed mounting has back lid 13, in this embodiment, when installing fan 7, insert the inside of mount pad 3 earlier with installation cover 8, pass installation cover 8 once again with bolt 11, behind ring frame 6 and the mount pad 3 with the internal thread connection of output shaft 2, extrude installation cover 8 through rotatory tight bolt 11, installation cover 8 promotes ring frame 6 cooperation lug 5 and drives the chuck 4 and tightens inwards upset, make the outer end of 4 carry out the centre gripping to the fixed collet of installation cover 8.

Specifically, four fixed slots 10 that evenly encircle the distribution are seted up to the outer wall of installation cover 8, and when the 4 centre grippings of chuck at four ends in this embodiment, the outer end of chuck 4 is inserted inside fixed slot 10 on the installation cover 8, avoids fan 7 to appear rotating between fixed back of installation and output shaft 2 not hard up.

Specifically, the outer wall of the ring frame 6 is provided with a ring groove, and the protrusion 5 is located inside the ring groove of the outer wall of the ring frame 6, so that the chuck 4 can be driven to rotate by matching the protrusion 5 with the ring groove of the outer wall when the chuck 4 moves in the embodiment.

Specifically, four corners of the bump 5 are arc-shaped, so that the bump 5 is easier to move when the chuck 4 pushes the bump 5 in this embodiment.

Specifically, the internally mounted of mount pad 3 has spring 12, when dismantling fan 7 in this embodiment, takes off bolt 11 through rotatory unscrewing after, and the pressure that kick-backs through spring 12 promotes the outward movement of ring frame 6, and ring frame 6 passes through lug 5 and drives chuck 4 and outwards overturn the rotation, and the outer end of chuck 4 breaks away from fixed slot 10 on the installation cover 8, and then can dismantle fan 7 and take off.

The utility model discloses a theory of operation and use flow: when the fan 7 is disassembled, the bolt 11 is taken down after being unscrewed by rotation, the ring frame 6 is pushed to move outwards by the resilience pressure of the spring 12, the ring frame 6 drives the chuck 4 to turn outwards through the bump 5, the outer end of the chuck 4 is separated from the fixing groove 10 on the mounting sleeve 8, and then the fan 7 can be disassembled and taken down; when installing fan 7, insert the inside of mount pad 3 with installation cover 8 earlier, pass installation cover 8 with bolt 11 once again, ring frame 6 and mount pad 3 back and output shaft 2's internal thread are connected, extrude installation cover 8 through rotatory tightening bolt 11, installation cover 8 promotes 6 cooperation lugs of ring frame 5 and drives chuck 4 and inwards overturn and tighten up, make the outer end of chuck 4 carry out the centre gripping to installation cover 8 and fix, the outer end of chuck 4 inserts inside the fixed slot 10 on the installation cover 8 simultaneously, it is not hard up to avoid fan 7 to appear rotating after the installation is fixed and output shaft 2 between.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a be applied to fixed establishment that flabellum and motor spindle are connected, includes motor body (1), its characterized in that: the inside of motor body (1) is equipped with output shaft (2), the rear end of output shaft (2) is fixed with mount pad (3), the inside rotation in outer fringe of mount pad (3) is connected with four evenly around chuck (4) that distribute, the inner of chuck (4) is fixed with lug (5), the inside sliding connection of mount pad (3) has ring frame (6), fan (7) are installed to the rear end of mount pad (3), fan (7) are including installation cover (8) and flabellum (9), installation cover (8) are located the inside of mount pad (3), the outer wall of installation cover (8) is fixed with flabellum (9), the one end threaded connection of output shaft (2) has bolt (11), the rear end fixed mounting of motor body (1) has back lid (13).

2. The fixing mechanism of claim 1, wherein the fixing mechanism is used for connecting the fan blade with a main shaft of a motor, and the fixing mechanism comprises: the outer wall of the mounting sleeve (8) is provided with four fixing grooves (10) which are uniformly distributed in a surrounding manner.

3. The fixing mechanism of claim 1, wherein the fixing mechanism is used for connecting the fan blade with a main shaft of a motor, and the fixing mechanism comprises: the outer wall of the ring frame (6) is provided with a ring groove, and the lug (5) is positioned inside the ring groove in the outer wall of the ring frame (6).

4. The fixing mechanism of claim 1, wherein the fixing mechanism is applied to a fan blade connected with a spindle of an electric motor, and the fixing mechanism comprises: four corners of the convex block (5) are of arc structures.

5. The fixing mechanism of claim 1, wherein the fixing mechanism is used for connecting the fan blade with a main shaft of a motor, and the fixing mechanism comprises: and a spring (12) is arranged in the mounting seat (3).