CN220227272U

CN220227272U - Fan blade structure

Info

Publication number: CN220227272U
Application number: CN202320131997.9U
Authority: CN
Inventors: 吴坤强; 李建平; 冼健文; 张丑峰; 韦景举; 方友贤
Original assignee: Zhongshan Langdi Electrical Appliances Co Ltd
Current assignee: Zhongshan Langdi Electrical Appliances Co Ltd
Priority date: 2023-02-06
Filing date: 2023-02-06
Publication date: 2023-12-22
Anticipated expiration: 2033-02-06

Abstract

The utility model discloses a fan blade structure which comprises a hub, a blade, a fixing mechanism, a limiting mechanism, a groove and a central hole, wherein the blade is fixed with the outer side of the hub, the limiting mechanism is arranged in the center of the hub, the center of the hub is provided with the central hole, the inner wall of the central hole is provided with the groove, and the fixing mechanism is embedded and installed in the central hole. According to the fan blade fixing device, the fixing mechanism is arranged, the grooves are aligned with the protruding blocks, so that the fixing pin is inserted into the central hole, the limiting block stretches out of the fixing pin under the elastic force of the spring, and therefore the fan blade fixing device is fast in installation and fixing, and is simpler and faster in installation and disassembly compared with the traditional fan blade which needs to be screwed and fixed by bolts.

Description

Fan blade structure

Technical Field

The utility model relates to the field of fans, in particular to a fan blade structure.

Background

The fan means a tool for generating wind and taking cool in hot days. The electric fan is a device for generating air flow by electric drive, and the fan arranged in the electric fan rotates after being electrified, and the mechanical energy is converted into wind energy, so that natural wind is formed to achieve a cooling effect.

The fan blade of fan is fixed with the pivot through screw or spiro union usually, and in the operation in-process of fan, the vibrations that produce when the fan blade rotates lead to the screw not hard up to screw fixation dismantles the installation trouble, and the dismantlement many times still can lead to the screw smooth silk, consequently needs a fan blade structure that can conveniently dismantle.

Disclosure of Invention

Therefore, in order to solve the above-mentioned shortcomings, the present utility model provides a fan blade structure.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a fan blade structure, includes wheel hub, blade, fixed establishment, stop gear, recess and centre bore, the blade is fixed mutually with wheel hub's outside, stop gear sets up in wheel hub's centre, the centre bore has been seted up at wheel hub's centre, the inner wall in centre bore is seted up flutedly, fixed establishment embedding is installed in the centre bore, fixed establishment includes button, stopper, minor axis, first movable groove, connecting block, first spring, connecting rod, spacing ring, fixed pin, lug and second movable groove, the bottom of button is fixed mutually with the connecting rod, the connecting block is installed to the bottom of connecting rod, the inboard and the minor axis rotation of stopper are connected, first spring is installed in the bottom of connecting block, the inboard and the fixed pin of spacing ring are fixed mutually, the outside of fixed pin is provided with the lug, the second movable groove has been seted up to the front end of fixed pin.

As an improvement of a fan blade structure, a plurality of fan blades are arranged, the fan blades are distributed at equal intervals along the side face of the hub, two grooves are formed in the whole, and the fan blades are oppositely arranged along the front side and the rear side of the central hole.

As a fan blade structural improvement, the movable groove is formed in the connecting block, and the left end of the limiting block is in sliding fit with the inner wall of the first movable groove through the protruding shaft, so that the fan blade can be fixed.

As an improvement of the fan blade structure, two protruding blocks are arranged and are in sliding fit with the inner wall of the groove, so that the fixing pin is in transmission connection with the inner side of the hub.

As a fan blade structural improvement, stop gear includes lid, anti-skidding groove, spacing post, second spring and butt plate, the anti-skidding groove has been seted up in the outside of lid, the spacing post is fixed mutually with the inner wall of lid, the second spring is installed in the inboard of lid, the bottom of second spring is provided with butt plate to restriction fixed establishment.

As an improvement of the fan blade structure, the connecting rod is made of carbon steel and has high hardness.

As an improvement of a fan blade structure, the fan blade is made of plastic, and is light in weight and stable in chemical property.

Compared with the prior art, the utility model provides a fan blade structure, which has the following beneficial effects:

advantage 1: according to the utility model, the fixing mechanism is arranged, and is inserted into the central hole of the hub through the cooperation of the convex block and the groove, and the limiting block stretches out of the fixing pin under the action of the elastic force of the first spring, so that the advantage of quick fixing is achieved.

Advantage 2: according to the utility model, the limiting mechanism is arranged, and the second movable groove is matched with the limiting column, so that the cover is propped against the hub, and the advantage of preventing the fixed pin from moving is achieved.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model;

FIG. 3 is a schematic perspective view of the fixing mechanism of the present utility model;

FIG. 4 is a schematic cross-sectional view of a securing mechanism according to the present utility model;

fig. 5 is a schematic cross-sectional view of a limiting mechanism according to the present utility model.

Wherein: the novel hub comprises a hub body-1, blades-2, a fixing mechanism-3, a limiting mechanism-4, a groove-5, a central hole-6, a button-31, a limiting block-32, a short shaft-33, a first movable groove-34, a connecting block-35, a first spring-36, a connecting rod-37, a limiting ring-38, a fixed pin-39, a protruding block-310, a second movable groove-311, a cover-41, an anti-slip groove-42, a limiting column-43, a second spring-44 and a retaining plate-45.

Detailed Description

In order to further explain the technical scheme of the utility model, the following is explained in detail through specific examples.

Referring to fig. 1 and 2, the present utility model provides a fan blade structure by improving the structure, a hub 1, a blade 2, a fixing mechanism 3, a limiting mechanism 4, a groove 5 and a central hole 6, wherein the blade 2 is fixed with the outer side of the hub 1, the limiting mechanism 4 is arranged in the center of the hub 1, the center of the hub 1 is provided with the central hole 6, the inner wall of the central hole 6 is provided with the groove 5, and the fixing mechanism 3 is embedded and installed in the central hole 6;

in addition, the blades 2 are provided in a plurality and are equidistantly distributed along the side surface of the hub 1, and the grooves 5 are provided in two in total and are oppositely arranged along the front side and the rear side of the central hole 6.

Referring to fig. 3, 4 and 5, the present utility model provides a fan blade structure by improving the structure, wherein the fixing mechanism 3 includes a button 31, a limiting block 32, a short shaft 33, a first movable groove 34, a connecting block 35, a first spring 36, a connecting rod 37, a limiting ring 38, a fixing pin 39, a bump 310 and a second movable groove 311, the bottom end of the button 31 is fixed with the connecting rod 37, the connecting block 35 is installed at the bottom end of the connecting rod 37, the inner side of the limiting block 32 is rotationally connected with the short shaft 33, the first spring 36 is installed at the bottom end of the connecting block 35, the inner side of the limiting ring 38 is fixed with the fixing pin 39, the bump 310 is arranged at the outer side of the fixing pin 39, and the second movable groove 311 is opened at the front end of the fixing pin 39;

in addition, the connecting block 35 is provided with a movable groove 34, and the left end of the limiting block 32 is in sliding fit with the inner wall of the first movable groove 34 through a convex shaft, so that the fan blade can be fixed; the two lugs 310 are arranged in total and are in sliding fit with the inner wall of the groove 5, so that the fixing pin 39 is in transmission connection with the inner side of the hub 1; the limiting mechanism 4 comprises a cover 41, an anti-skid groove 42, a limiting column 43, a second spring 44 and a retaining plate 45, wherein the anti-skid groove 42 is formed in the outer side of the cover 41, the limiting column 43 is fixed with the inner wall of the cover 41, the second spring 44 is arranged on the inner side of the cover 41, and the retaining plate 45 is arranged at the bottom end of the second spring 44, so that the fixing mechanism 3 is limited; the connecting rod 37 is made of carbon steel, so that the hardness is high; the blade 2 is made of plastic, and has light weight and stable chemical property.

Referring to fig. 1-5, before use, the fixing mechanism 3 is placed horizontally, supported and fixed by the fixing pin 39, and then the blade structure is mounted on a proper position on the fan;

when the fan blade fixing device is used, the fixing mechanism 3 is arranged, the bump 310 is arranged on the outer side of the fixing pin 39, the center of the hub 1 is provided with the center hole 6, the inner wall of the center hole 6 is provided with the groove 5, the fixing mechanism 3 is inserted into the center hole 6 of the hub 1, the inner side of the limiting block 32 is rotationally connected with the short shaft 33, the first spring 36 is arranged at the bottom end of the connecting block 35, the inner side of the limiting ring 38 is fixed with the fixing pin 39, and therefore the limiting block 32 stretches out of the fixing pin 39 under the elastic force of the first spring 36, and the advantage of quickly fixing the fan blade is achieved;

through arranging the limiting mechanism 4, a second movable groove 311 is formed in the front end of the fixing pin 39, and the limiting column 43 is fixed with the inner wall of the cover 41, so that the second movable groove 311 is matched with the limiting column 43 for use, the cover 41 is arranged at the front end of the fixing pin 39, a second spring 44 is arranged on the inner side of the cover 41, and a retaining plate 45 is arranged at the bottom end of the second spring 44, so that under the action of the elastic force of the second spring 44, the retaining plate downwards abuts against the top end of the fixing pin 39, the cover 41 is prevented from falling off, the cover 41 abuts against the hub 1, and the advantage of preventing the fixing pin 39 from moving is achieved;

through the cooperation of lug 310 and recess 5 to fixed pin 39 and wheel hub 1 transmission are connected, are provided with blade 2 through the outside of wheel hub 1, and thereby fixed pin 39 drives blade 2 rotation, causes the air flow to form the wind.

The utility model provides a fan blade structure, which has the advantages that by arranging a fixing mechanism 3 and matching the convex block 310 with a groove 5, the fixing mechanism 3 is inserted into a central hole 6 of a hub 1, and a limiting block 32 stretches out of a fixing pin 39 under the elastic force of a first spring 36, so that quick fixing is realized; by arranging the limiting mechanism 4, the cover 41 is propped against the hub 1 through the cooperation of the second movable groove 311 and the limiting column 43, and the advantage of preventing the fixing pin 39 from moving is achieved.

The control mode of the utility model is controlled by manually starting and closing the switch, the wiring diagram of the power element and the supply of the power supply are common knowledge in the field, and the utility model is mainly used for protecting the mechanical device, so the utility model does not explain the control mode and the wiring arrangement in detail.

The control mode of the utility model is automatically controlled by the controller, the control circuit of the controller can be realized by simple programming of a person skilled in the art, the supply of power also belongs to common knowledge in the art, and the utility model is mainly used for protecting a mechanical device, so the utility model does not explain the control mode and circuit connection in detail.

The foregoing is merely a preferred example of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a fan blade structure, includes wheel hub (1), blade (2), stop gear (4), recess (5) and centre bore (6), blade (2) are fixed mutually with the outside of wheel hub (1), stop gear (4) set up in the centre of wheel hub (1), centre bore (6) have been seted up at the centre of wheel hub (1), recess (5) have been seted up to the inner wall of centre bore (6);

the method is characterized in that: still include fixed establishment (3), fixed establishment (3) embedding is installed in centre bore (6), fixed establishment (3) include button (31), stopper (32), minor axis (33), first movable groove (34), connecting block (35), first spring (36), connecting rod (37), spacing ring (38), fixed pin (39), lug (310) and second movable groove (311), the bottom of button (31) is fixed with connecting rod (37), connecting block (35) are installed to the bottom of connecting rod (37), the inboard and the minor axis (33) rotation of stopper (32) are connected, the bottom of connecting block (35) is installed in first spring (36), the inboard and fixed pin (39) of spacing ring (38) are fixed mutually, the outside of fixed pin (39) is provided with lug (310), second movable groove (311) have been seted up to the front end of fixed pin (39).

2. A fan blade structure according to claim 1, wherein: the blades (2) are arranged in a plurality, are distributed at equal intervals along the side face of the hub (1), and the grooves (5) are formed in two in total and are oppositely arranged along the front side and the rear side of the central hole (6).

3. A fan blade structure according to claim 1, wherein: the limiting blocks (32) are arranged in two in total and are oppositely arranged along the left side and the right side of the fixing pin (39).

4. A fan blade structure according to claim 1, wherein: the connecting block (35) is provided with a movable groove (34), and the left end of the limiting block (32) is in sliding fit with the inner wall of the first movable groove (34) through a convex shaft.

5. A fan blade structure according to claim 1, wherein: the number of the lugs (310) is two, and the lugs are in sliding fit with the inner wall of the groove (5).

6. A fan blade structure according to claim 1, wherein: stop gear (4) are including lid (41), anti-skidding groove (42), spacing post (43), second spring (44) and keep out board (45), anti-skidding groove (42) have been seted up in the outside of lid (41), spacing post (43) are fixed with the inner wall of lid (41), second spring (44) are installed in the inboard of lid (41), the bottom of second spring (44) is provided with keeps out board (45).

7. The fan blade structure according to claim 6, wherein: the anti-slip grooves (42) are provided in a plurality and are equally distributed along the side surface of the cover (41).

8. The fan blade structure according to claim 6, wherein: the limit posts (43) are provided with two in total and are in sliding fit with the inner wall of the second movable groove (311).