CN212838470U

CN212838470U - Industrial ceiling fan with bionic fin blade flow stabilizing structure

Info

Publication number: CN212838470U
Application number: CN202021464434.4U
Authority: CN
Inventors: 张翼
Original assignee: Xiangchen New Energy Suzhou Co ltd
Current assignee: Xiangchen New Energy Suzhou Co ltd
Priority date: 2020-07-22
Filing date: 2020-07-22
Publication date: 2021-03-30
Anticipated expiration: 2030-07-22

Abstract

The utility model discloses an industry ceiling fan with bionical fin blade stationary flow structure, including the fan blade dish, be fixed with a plurality of flabellums on the fan blade dish. The flabellum is including being located the windward limit on direction of rotation front end, the extending direction on windward edge along this windward limit is provided with the fin blade, the fin blade is the closed casing of one end opening other end, the open end cladding of fin blade is on windward edge and riveted with the flabellum, the closed end of fin blade is the fin tooth of the fin structure that the extending direction on windward limit set up, the fin tooth includes protruding and horizontal groove of a plurality of circular arc types, the protruding and level groove rounding off of circular arc type. Simple structure, can reduce wind noise, increase air quantity and stabilize air flow.

Description

Industrial ceiling fan with bionic fin blade flow stabilizing structure

Technical Field

The utility model relates to a ceiling fan field especially relates to industry ceiling fan with bionical fin blade stationary flow structure.

Background

The industrial ceiling fan is a necessary device in many production workshops, accelerates air circulation and has a good summer heat relieving effect. In the current market, industrial ceiling fans are rotated by blades driven by a motor to generate wind current. The existing blade is manufactured by an aluminum profile extrusion process, is of a hollow structure, is fixed with an empennage at the end part, and has single design and simple process. However, the length of the blade is often more than 3 meters, wind noise is large in the operation process, the smooth blade has no good steady flow effect on unstable airflow when operating in a wind field, stress concentration can be caused in the long-term use process of the blade, and in the past, the fatigue fracture risk of the blade is greatly increased.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects, the utility model aims to provide an industrial ceiling fan with bionic fin blade steady flow structure, simple structure can reduce wind noise, increase the amount of wind, and stabilize the airflow.

In order to achieve the above purpose, the utility model discloses a technical scheme is: industry ceiling fan with bionical fin blade stationary flow structure, including the fan blade dish, be fixed with a plurality of flabellums on the fan blade dish, its characterized in that: the flabellum is including being located the windward limit on direction of rotation front end, the extending direction on this windward limit is followed to the windward edge and is provided with the fin blade, the fin blade is the closed casing of one end opening other end, the open end cladding of fin blade is on the windward edge and rivets with the flabellum, the fin tooth of the fin structure that the extending direction on windward limit set up is followed to the closed end of fin blade, the fin tooth includes protruding and horizontal groove of a plurality of circular arc types, protruding and the smooth and sly transition of horizontal groove of circular arc type.

The beneficial effects of the utility model reside in that:

(1) the fin blades are stable in structure and fixed on the fan blades to form an assembly, and when the fan blades rotate, fin teeth of the fin structures can effectively offset wind resistance in the process of stirring air, so that wind noise is reduced;

(2) in the operation process, in the face of unstable airflow, in the process of cutting the airflow, the blades can effectively dredge the unstable airflow through the height of the fin teeth, so that the unstable airflow can be counteracted to the lowest degree in the operation process of the fan blades;

(3) the fin tooth is at the operation in-process, because can effectual stationary flow, the flabellum receives the influence of windage wobbling very little, and the stress influence that it received is very little, can solve flabellum fatigue fracture's risk.

Further, the flabellum is hollow structure, including the equal fixed connection of two tip in front and back upper sidewall and lower lateral wall, goes up the lateral wall and personally submits the arc, and the lower lateral wall is the level, goes up the fixed both ends branch of lateral wall and lower lateral wall and is become arc end and acute angle end, and the windward side is the arc end. Go up and be equipped with the strengthening rib between lateral wall and the lower lateral wall, the upper and lower both ends of strengthening rib are fixed connection respectively on last lateral wall and the lower lateral wall, avoid the flabellum to warp, guarantee the required hardness of flabellum.

Further, the open end of the fin blade is stepped, and the upper side wall and the lower side wall are both provided with slots matched with the stepped open end, so that the fin blade is convenient to fix. The radian of the fin blades is consistent with that of the fan blades, and the outer wall of the opening end is as high as the upper side wall and the lower side wall.

Further, an empennage plug is riveted on the end face, far away from the fan blade disc, of the fan blade, and the empennage plug covers an end opening of the fan blade.

Further, the fan blade is fixedly connected with the fan blade disc through a core rod, the core rod is fixedly connected with the fan blade disc through a fastening piece, the fan blade is fixedly connected with the core rod through the fastening piece, and the fastening piece is a through screw.

Furthermore, the number of the fan blades is odd, so that the stability is good, and the resonance of the fan blades is avoided.

Further, still include gear motor, gear motor fixes on the mount, gear motor's output shaft and fan blade dish are fixed, and gear motor drives the flabellum and rotates.

Drawings

Fig. 1 is a schematic perspective view of an embodiment of the present invention;

FIG. 2 is a schematic view of an assembled state of blades and fins of the present invention;

FIG. 3 is a sectional view of the assembled state of the blades and fins of the embodiment of the present invention;

fig. 4 is a schematic view of a three-dimensional structure of the fin blade in the embodiment of the present invention.

In the figure:

1-a fan blade disc, 2-fan blades, 21-an upper side wall, 22-a lower side wall, 221-slots, 23-reinforcing ribs, 24-a windward side, 3-fin blades, 31-arc-shaped protrusions, 32-horizontal grooves, 4-tail plug, 5-core rod and 6-speed reducing motor.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

Examples

Referring to the attached drawings 1-4, the industrial ceiling fan with the bionic fin blade 3 steady flow structure of the utility model comprises a fan blade disc 1, wherein a plurality of fan blades 2 are fixed on the fan blade disc 1. The fan blade 2 is fixedly connected with the fan blade disc 1 through a core rod 5, the core rod 5 is fixedly connected with the fan blade disc 1 through a fastening piece, the fan blade 2 is fixedly connected with the core rod 5 through the fastening piece, and the fastening piece is a through screw. The quantity of flabellum 2 is odd number, and stability is good, avoids flabellum 2 resonance. Still include gear motor 6, gear motor 6 fixes on the mount, and the mount is fixed at the roof, gear motor 6's output shaft is fixed with fan blade dish 1, and gear motor 6 drives flabellum 2 rotatory.

The fan blade 2 comprises a windward side 24 positioned at the front end in the rotating direction, and fin blades 3 are arranged on the windward side 24 along the extending direction of the windward side 24. The fin blade 3 is a shell with an opening at one end and a closed end at the other end, and the fin blade 3 is an injection molding piece. The open end of the fin blade 3 is wrapped on the windward side 24 and is riveted with the fan blade 2, and the fin blade 3 is riveted with the fan blade 2 through a rivet. The closed end of the fin blade 3 is fin teeth of a fin structure, and the fin teeth are arranged along the extending direction of the windward side 24. The fin teeth comprise a plurality of arc-shaped protrusions 31 and horizontal grooves 32, and the arc-shaped protrusions 31 and the horizontal grooves 32 are in smooth transition.

The 3 stable in structure of fin blade, the cladding is on windward side 24, fixes and becomes an subassembly back on flabellum 2, and when flabellum 2 was rotatory, thereby the fin tooth of fin structure can effectually offset the windage at the in-process of stirring the air and reduce wind and make an uproar. In the operation process, the unstable air current is faced, and at the in-process of cutting the air current, through the height of fin tooth, the blade can carry out effectual mediation with unstable air current for flabellum 2 can offset unstable air current by the minimum at the operation in-process. The fin tooth is at the operation in-process, because can effectual stationary flow, flabellum 2 receives the influence of windage wobbling very little, and the stress influence that it received is very little, can solve flabellum 2 fatigue fracture's risk.

Flabellum 2 is hollow structure, including the equal fixed connection of two tip in front and back go up lateral wall 21 and lower lateral wall 22, goes up lateral wall 21 side and is the arc, and lower lateral wall 22 side is the level, goes up the both ends that lateral wall 21 side and lower lateral wall 22 are fixed and is divided into circular arc end and acute angle end, and windward side 24 is the circular arc end. Go up and be equipped with strengthening rib 23 between lateral wall 21 and the lower lateral wall 22, the upper and lower both ends of strengthening rib 23 are fixed connection respectively on going up lateral wall 21 and lower lateral wall 22, avoid flabellum 2 to warp, guarantee the required hardness of flabellum 2.

The open end of the fin blade 3 is stepped, and the upper side wall 21 and the lower side wall 22 are both provided with slots 221 matched with the stepped open end, so that the fin blade 3 can be fixed conveniently. The curvature of the fin blade 3 is the same as the fan blade 2, and the outer wall of the opening end is equal to the height of the upper side wall 21 and the lower side wall 22.

The end face, far away from the fan blade disc 1, of the fan blade 2 is riveted with an empennage plug 4, and the empennage plug 4 covers an end opening of the fan blade 2.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.

Claims

1. Industry ceiling fan with bionical fin blade stationary flow structure, including fan blade dish (1), be fixed with a plurality of flabellums (2) on fan blade dish (1), its characterized in that: flabellum (2) are including being located windward limit (24) on the direction of rotation front end, windward limit (24) is gone up and is provided with fin blade (3) along the extending direction on this windward limit, fin blade (3) are the closed casing of one end opening other end, the open end cladding of fin blade (3) is on windward limit (24) and rivets with flabellum (2), the fin tooth of the fin structure of the closed end of fin blade (3) for setting up along the extending direction on windward limit (24), the fin tooth includes protruding (31) of a plurality of circular arc types and horizontal groove (32), protruding (31) of circular arc types and horizontal groove (32) rounding off.

2. The industrial ceiling fan with the bionic fin blade flow stabilizing structure as claimed in claim 1, wherein: flabellum (2) are hollow structure, including the equal fixed connection of two tip in front and back go up lateral wall (21) and lower lateral wall (22), it is equipped with strengthening rib (23) to go up between lateral wall (21) and lower lateral wall (22), the upper and lower both ends difference fixed connection of strengthening rib (23) is in go up on lateral wall (21) and lower lateral wall (22).

3. The industrial ceiling fan with the bionic fin blade flow stabilizing structure as claimed in claim 2, wherein: the open end of the fin blade (3) is in a step shape, and the upper side wall (21) and the lower side wall (22) are both provided with slots (221) matched with the step-shaped open end.

4. The industrial ceiling fan with the bionic fin blade flow stabilizing structure as claimed in claim 1, wherein: the end face, far away from the fan blade disc (1), of the fan blade (2) is riveted with an empennage plug (4), and the empennage plug (4) covers an end opening of the fan blade (2).

5. The industrial ceiling fan with the bionic fin blade flow stabilizing structure as claimed in claim 1, wherein: the fan blade (2) is fixedly connected with the fan blade disc (1) through a core rod (5), the core rod (5) is fixedly connected with the fan blade disc (1) through a fastening piece, and the fan blade (2) is fixedly connected with the core rod (5) through the fastening piece.

6. The industrial ceiling fan with the bionic fin blade flow stabilizing structure as claimed in claim 1, wherein: the number of the fan blades (2) is odd.

7. The industrial ceiling fan with bionic fin blade flow stabilizing structure as claimed in any one of claims 1 to 6, wherein: the fan blade disc is characterized by further comprising a speed reducing motor (6), wherein the speed reducing motor (6) is fixed on the fixing frame, and an output shaft of the speed reducing motor (6) is fixed with the fan blade disc (1).