CN212055251U

CN212055251U - Novel fan blade

Info

Publication number: CN212055251U
Application number: CN201922463655.3U
Authority: CN
Inventors: 张艳彬; 赖进龙; 朱坤
Original assignee: Taicang Huaying Electronic Material Co ltd
Current assignee: Taicang Huaying Electronic Material Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-12-01
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a novel fan blade, the inner wall of fan main part is provided with central pivot, the outer wall fixedly connected with safety cover of fan main part, the outer wall fixedly connected with pivot seat of safety cover, the outer wall fixedly connected with main part flabellum of pivot seat, the main part flabellum is integrated into one piece with the pivot seat, the main part flabellum includes minimum external diameter flabellum and maximum external diameter flabellum, minimum external diameter flabellum is located one side of maximum external diameter flabellum, minimum external diameter flabellum, maximum external diameter flabellum and main part flabellum are integrated into one piece. A novel fan flabellum, be equipped with the flabellum of the biggest external diameter and the flabellum of minimum external diameter, produced energy can not concentrate on same frequency channel, can prevent effectively that the energy stack from causing noise stack or resonance, the result of use is excellent, brings better use prospect.

Description

Novel fan blade

Technical Field

The utility model relates to a fan blade field, in particular to novel fan blade.

Background

Fan flabellum is a support equipment that carries out the fan and sweep wind, general flabellum design, the blade outermost end is in same diameter, the volume of sweeping wind of every blade of such flabellum is the same, cause energy stack under certain frequency to produce bigger noise or resonance easily, cause the puzzlement to the use, the use of fan in the life is more and more frequent, people can enjoy the nice and cool that the fan brought summer, today, the service function of fan is more and more, the use of flabellum is more perfect, along with the continuous development of science and technology, people also are higher and higher to the manufacturing process requirement of fan flabellum.

The existing fan blade has certain disadvantages when in use, firstly, the air sweeping quantity of each blade of the fan blade is the same, energy superposition under certain frequency is easily caused to generate larger noise or resonance, troubles are caused to use, the use of people is not facilitated, certain adverse effects are brought to the use process of people, and for this reason, a novel fan blade is provided.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a novel fan blade possesses advantages such as prevent that energy stack from causing noise or resonance, can effectively solve the problem in the background art to the not enough of prior art.

(II) technical scheme

In order to achieve the above purpose, the utility model adopts the following technical scheme: the inner wall of fan main part is provided with central pivot, the outer wall fixedly connected with safety cover of fan main part, the outer wall fixedly connected with pivot seat of safety cover, the outer wall fixedly connected with main part flabellum of pivot seat, main part flabellum and pivot seat are integrated into one piece.

Preferably, the main body fan blade comprises a minimum outer diameter fan blade and a maximum outer diameter fan blade, the minimum outer diameter fan blade is located on one side of the maximum outer diameter fan blade, and the minimum outer diameter fan blade, the maximum outer diameter fan blade and the main body fan blade are integrally formed.

Preferably, the outside of the biggest external diameter flabellum is provided with the biggest change volume of flabellum outer end and the minimum change volume of flabellum outer end, the biggest change volume of flabellum outer end is located the outside of the minimum change volume of flabellum outer end.

Preferably, a clamping groove is formed between the minimum outer diameter fan blade and the main body fan blade, the outer wall of the minimum outer diameter fan blade is fixedly connected with the inner part of the main body fan blade through the clamping groove, and a clamping piece is arranged on the outer wall of the minimum outer diameter fan blade.

Preferably, a bearing is arranged between the fan main body and the central rotating shaft, and the inner wall of the fan main body is movably connected with the outer wall of the central rotating shaft through the bearing.

Preferably, the maximum wind sweeping area of the fan blade with the maximum outer diameter is the minimum variable quantity of the outer end of the fan blade, and the maximum wind sweeping area of the main fan blade is the maximum variable quantity of the outer end of the fan blade.

(III) advantageous effects

Compared with the prior art, the utility model provides a novel fan blade possesses following beneficial effect: the novel fan blade controls the air sweeping amount of each blade to be different by arranging the blades with different diameters, prevents noise or resonance caused by energy superposition, adopts the design of common blades, ensures that the outermost ends of the blades are positioned at the same diameter, ensures that the air sweeping amount of each blade of the fan blade is the same, easily causes the energy superposition under certain frequency to generate larger noise or resonance, and causes troubles for use, the size variable quantity of the outer end of each blade of the fan blade is selected within the size interval of +/-10 percent, controls the size variable quantity of the outer end of the common blade to be between plus or minus 5 percent in order to correct the unbalance of the blades, controls the air sweeping amount of each blade to be different, facilitates the adjustment of the outer diameter of the blades, better corrects the unbalance between the blades, can effectively prevent the noise superposition or resonance caused by the energy superposition, the whole fan blade convenient for people to use is simple in structure, convenient to operate and better in using effect compared with the traditional mode.

Drawings

Fig. 1 is the overall structure schematic diagram of the novel fan blade of the present invention.

Fig. 2 is a schematic view of the fan blade of the present invention.

Fig. 3 is a schematic structural view of the main body of the fan in the novel fan blade of the present invention.

Fig. 4 is a schematic structural view of a blade in a fan blade of the present invention.

In the figure: 1. a fan main body; 2. a fan blade of maximum outer diameter; 3. a minimum outer diameter fan blade; 4. a main body fan blade; 5. a rotating shaft seat; 6. a protective cover; 7. a central rotating shaft; 8. the maximum variable quantity of the outer end of the fan blade; 9. the minimum variable quantity of the outer end of the fan blade.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-4, a novel fan blade, the inner wall of the fan main body 1 is provided with a central rotating shaft 7, the outer wall of the fan main body 1 is fixedly connected with a protective cover 6, the outer wall of the protective cover 6 is fixedly connected with a rotating shaft seat 5, the outer wall of the rotating shaft seat 5 is fixedly connected with a main body blade 4, and the main body blade 4 and the rotating shaft seat 5 are integrally formed.

Further, main part flabellum 4 includes minimum external diameter flabellum 3 and maximum external diameter flabellum 2, and minimum external diameter flabellum 3 is located one side of maximum external diameter flabellum 2, and minimum external diameter flabellum 3, maximum external diameter flabellum 2 and main part flabellum 4 are integrated into one piece, are convenient for better use.

Further, the outer side of the largest outer diameter fan blade 2 is provided with the largest variation amount 8 of the outer end of the fan blade and the smallest variation amount 9 of the outer end of the fan blade, and the largest variation amount 8 of the outer end of the fan blade is located on the outer side of the smallest variation amount 9 of the outer end of the fan blade, so that the correction of the fan blade is facilitated.

Further, be provided with the draw-in groove between minimum external diameter flabellum 3 and the main part flabellum 4, the inside fixed connection of draw-in groove and main part flabellum 4 is passed through to the outer wall of minimum external diameter flabellum 3, and the outer wall of minimum external diameter flabellum 3 is provided with fastener, job stabilization.

Furthermore, a bearing is arranged between the fan main body 1 and the central rotating shaft 7, and the inner wall of the fan main body 1 is movably connected with the outer wall of the central rotating shaft 7 through the bearing, so that the fan can be used better.

Furthermore, the maximum wind sweeping area of the fan blade 2 with the largest outer diameter is the minimum variation 9 of the outer end of the fan blade, and the maximum wind sweeping area of the main fan blade 4 is the maximum variation 8 of the outer end of the fan blade, so that correction is facilitated, and noise superposition or resonance caused by energy superposition is prevented.

The working principle is as follows: the utility model comprises a fan body 1, a fan blade 2 with the largest outer diameter, a fan blade 3 with the smallest outer diameter, a main body fan blade 4, a rotating shaft seat 5, a protective cover 6, a central rotating shaft 7, a maximum variation 8 of the outer end of the fan blade, a minimum variation 9 of the outer end of the fan blade, and a general fan blade design, wherein the outermost end of the fan blade is in the same diameter, the air sweeping amount of each blade of the fan blade is the same, which easily causes the energy superposition under a certain frequency to generate larger noise or resonance, and causes troubles for use, the size variation of the outer end of the fan blade of the utility model is selected in a size interval of +/-10 percent, for the correction of the unbalance amount of the fan blade, the size variation of the outer end of the general fan blade is controlled between plus or minus 5 percent, thus controlling the air sweeping amount of each blade to be different, the outer diameter of, can effectively prevent the energy superposition from causing noise superposition or resonance, and is convenient for people to use better.

It is noted that, herein, relational terms such as first and second (a, b, etc.) and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a novel fan flabellum, includes fan main part (1), its characterized in that: the inner wall of fan main part (1) is provided with central pivot (7), the outer wall fixedly connected with safety cover (6) of fan main part (1), the outer wall fixedly connected with pivot seat (5) of safety cover (6), the outer wall fixedly connected with main part flabellum (4) of pivot seat (5), main part flabellum (4) and pivot seat (5) are integrated into one piece.

2. The novel fan blade of claim 1, further comprising: the main body fan blade (4) comprises a minimum outer diameter fan blade (3) and a maximum outer diameter fan blade (2), the minimum outer diameter fan blade (3) is located on one side of the maximum outer diameter fan blade (2), and the minimum outer diameter fan blade (3), the maximum outer diameter fan blade (2) and the main body fan blade (4) are integrally formed.

3. The novel fan blade of claim 2, further comprising: the outside of maximum external diameter flabellum (2) is provided with flabellum outer end maximum variation (8) and flabellum outer end minimum variation (9), flabellum outer end maximum variation (8) are located the outside of flabellum outer end minimum variation (9), be provided with the draw-in groove between minimum external diameter flabellum (3) and main part flabellum (4), the inside fixed connection of draw-in groove and main part flabellum (4) is passed through to the outer wall of minimum external diameter flabellum (3), the outer wall of minimum external diameter flabellum (3) is provided with the fastener.

4. The novel fan blade of claim 1, further comprising: a bearing is arranged between the fan main body (1) and the central rotating shaft (7), and the inner wall of the fan main body (1) is movably connected with the outer wall of the central rotating shaft (7) through the bearing.

5. The novel fan blade of claim 3, further comprising: the largest wind sweeping area of the largest outer diameter fan blade (2) is the smallest variable quantity (9) of the outer end of the fan blade, and the largest wind sweeping area of the main fan blade (4) is the largest variable quantity (8) of the outer end of the fan blade.