CN205639065U

CN205639065U - Two -sided impeller

Info

Publication number: CN205639065U
Application number: CN201620526567.7U
Authority: CN
Inventors: 冯洁莹
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-05-31
Filing date: 2016-05-31
Publication date: 2016-10-12
Anticipated expiration: 2026-05-31

Abstract

The utility model discloses a two -sided impeller, including preceding rim plate, main wheel dish and rear wheel disc, the evenly distributed on the surface of preceding rim plate has a plurality of front vane, a plurality of front vane is radially arranged along the radius of preceding rim plate, each front vane all has the same deflection angle, rear wheel disc's evenly distributed on the surface has blade behind a plurality of, the blade is radially arranged along rear wheel disc's radius behind a plurality of, each back blade all has the same deflection angle, the center of preceding rim plate is equipped with first through -hole, be equipped with the second through -hole on the main wheel dish, rear wheel disc's center is equipped with the third through -hole, first through -hole, second through -hole and third through -hole correspond mutually, preceding rim plate, main wheel dish and rear wheel disc be fixed connection in proper order, the laminating of preceding rim plate is in the front of main wheel dish, and the rear wheel disc laminating is at the back of main wheel dish, this two -sided impeller equipment mode is simple, has increased fan air output and air -out wind pressure.

Description

A kind of double-impeller

Technical field

This utility model relates to impeller manufacturing process field, is specifically related to a kind of double-impeller.

Background technology

Being currently used for the metallic impeller of aerator, generally comprise spider and be fixed on the blade of base plate, blade is uniformly distributed along the circumference of base plate, such as patent CN201310268357.3.The assembling mode of this type of impeller is for be riveted on blade one by one on base plate, become an impeller, so it is to ensure that blade can be fixedly mounted on base plate, and there is enough ruggedness, but so need first different for multiple structures preparation of impeller moulds, and produce blade and base plate, assemble the most one by one, this assembling mode cost of labor is big, long processing time, production efficiency is low, the mounting arrangement easily causing impeller is uneven, and blade is that the mode using point to connect is fixed with base plate, base plate to blade only to point support force, support force is weak, blade is easily deformed in operation, affect quality and the using effect of blower fan.

Utility model content

In order to overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of double-impeller, and this double-impeller assembling mode is simple, increases blower fan air output and air-out blast.

Realize the purpose of this utility model to reach by adopting the following technical scheme that:

A kind of double-impeller, including front wheel disc, main rotary table and rear trochal disc；It is evenly distributed with several front vanes on the surface of described front wheel disc；Described front vane and front wheel disc are formed in one structure；Several front vanes described arrange radially along the radius of front wheel disc；Each front vane described has identical deflection angle；Several rear blades it are evenly distributed with on the surface of described rear trochal disc；Described rear blade and rear trochal disc are formed in one structure；Several rear blades described arrange radially along the radius of rear trochal disc；Each rear blade described has identical deflection angle；

The center of described front wheel disc is provided with the first through hole；Described main rotary table is provided with the second through hole；The center of described rear trochal disc is provided with third through-hole；Described first through hole, the second through hole and third through-hole are in correspondence with each other；Described front wheel disc, main rotary table and rear trochal disc are fixedly connected sequentially；Described front wheel disc is fitted in the front of main rotary table, and rear trochal disc is fitted in the back side of main rotary table.

As preferably, the plane of each front vane described is orthogonal with the surface of front wheel disc；The plane of each rear blade described is orthogonal with the surface of rear trochal disc.

The fixing connected mode of described front wheel disc, main rotary table and rear trochal disc includes but not limited to: glued, weld, rivet, engage and fasten.

As preferably, the quantity of described front vane and rear blade is 10；The angle of described front vane and rear blade and vertical direction is 20 °.

As preferably, the quantity of described front vane and rear blade is 12；The angle of described front vane and rear blade and vertical direction is 10 °.

As preferably, described double-impeller also includes protruding shaft；Described protruding shaft includes connecting portion and fixed part；Described connecting portion wears third through-hole, the second through hole and the first through hole；The surface of rear trochal disc is kept out and be fixed on to described fixed part.

The fixed part of described protruding shaft and the fixed form of rear trochal disc include but not limited to: glued, weld and rivet.Preferably, the fixed part of described protruding shaft and front wheel disc, main rotary table, rear trochal disc fixed form for be riveted by inner ring rivet；More preferably, circumferentially distributed along the first through hole of described inner ring rivet；Front wheel disc, main rotary table, rear trochal disc and fixed part are riveted by described inner ring rivet successively.

As preferably, the fixing connected mode of described front wheel disc, main rotary table and rear trochal disc is for rivet by outer ring rivet；More preferably, described outer ring rivet is uniformly distributed along the edge circumference of front wheel disc；Front wheel disc, main rotary table and rear trochal disc are riveted by described outer ring rivet successively.

As preferably, the front vane of described front wheel disc is provided with front buckling piece；Described front buckling piece stretches out from the edge of front vane；Described front buckling piece turns down backward and is fastened on the edge of main rotary table；The rear blade of described rear trochal disc is provided with rear buckling piece；Described rear buckling piece stretches out from the edge of rear blade；Described rear buckling piece turns down forward and is fastened on the edge of main rotary table.

Compared to existing technology, the beneficial effects of the utility model are:

1, being not required to screw between blade and the impeller of double-impeller of the present utility model or rivet is fixed, the quantity of parts is also greatly decreased, the lighter in weight of double-impeller, and resistance is little, reduces motor load；

2, double-impeller of the present utility model installs blade-carrying front wheel disc and rear trochal disc at the front and back of main rotary table, thus improves blower fan air output and air-out blast, significantly enhances the performance of blower fan；After it addition, impeller improves the heat radiation of rear intake, beneficially motor, plays more preferable radiating effect；

3, forward and backward wheel disc and main rotary table are preferably connected by double-impeller of the present utility model by outer ring rivet or buckling piece；When junction point is positioned at edge, moment is the longest, and the conjugation between forward and backward wheel disc and main rotary table is higher, when main rotary table rotates, it is possible to uniformly transfers rotatory force and drives forward and backward wheel disc to rotate；

4, the structure of this utility model bilobed wheel makes the rigidity of impeller bodies more excellent with intensity；

5, double-impeller of the present utility model uses the structure that forward and backward wheel disc and main rotary table coordinate, the front and back of main rotary table strengthens the support to front wheel disc and rear trochal disc respectively, particularly, between the surface of front vane and front wheel disc, the surface of rear blade and rear trochal disc be respectively formed folding line, main rotary table provides line support force to folding line, blade playing good supporting role, changes the defect that blade is put in prior art support force, blade is unlikely to deform.

Accompanying drawing explanation

Fig. 1 is the explosive view of this utility model embodiment 1；

Fig. 2 is the front wheel disc structural representation of this utility model embodiment 2；

Fig. 3 is the rear trochal disc structural representation of this utility model embodiment 2；

Fig. 4 is the front wheel disc scheme of installation with main rotary table of this utility model embodiment 2；

Wherein, 1, front wheel disc；11, front vane；111, front buckling piece；12, the first through hole；2, main rotary table；21, the second through hole；3, rear trochal disc；31, rear blade；311, rear buckling piece；32, third through-hole；4, protruding shaft；41, connecting portion；42, fixed part；5, inner ring rivet；6, outer ring rivet.

Detailed description of the invention

Below, in conjunction with accompanying drawing and specific embodiment, the present invention is described further:

Embodiment 1

With reference to Fig. 1, present embodiment discloses a kind of double-impeller, including front wheel disc 1, main rotary table 2, rear trochal disc 3 and protruding shaft 4；Several front vanes 11 it are evenly distributed with on the surface of described front wheel disc 1；Described front vane 11 and front wheel disc 1 are formed in one structure；Several front vanes 11 described arrange radially along the radius of front wheel disc 1；Each front vane 11 described has identical deflection angle；The plane of each front vane 11 described is orthogonal with the surface of front wheel disc 1；Several rear blades 31 it are evenly distributed with on the surface of described rear trochal disc 3；Described rear blade 31 and rear trochal disc 3 are formed in one structure；Several rear blades 31 described arrange radially along the radius of rear trochal disc 3；Each rear blade 31 described has identical deflection angle；The plane of each rear blade 31 described is orthogonal with the surface of rear trochal disc 3；

Described front wheel disc 1, main rotary table 2 and rear trochal disc 3 are fixedly connected sequentially；Described front wheel disc 1 is fitted in the front of main rotary table 2, and rear trochal disc 3 is fitted in the back side of main rotary table 2；

The center of described front wheel disc 1 is provided with the first through hole 12；Described main rotary table 2 is provided with the second through hole 21；The center of described rear trochal disc 3 is provided with third through-hole 32；Described first through hole the 12, second through hole 21 and third through-hole 32 are in correspondence with each other；Described protruding shaft 4 includes connecting portion 41 and fixed part 42；Described connecting portion 41 wears third through-hole the 32, second through hole 21 and the first through hole 12；The surface of rear trochal disc 3 is kept out and be fixed on to described fixed part 42；The fixed part 42 of described protruding shaft 4 and front wheel disc 1, main rotary table 2, rear trochal disc 3 fixed form for be riveted by inner ring rivet 5；Described inner ring rivet 5 is circumferentially distributed along the first through hole 12；Front wheel disc 1, main rotary table 2, rear trochal disc 3 and fixed part 42 are riveted by described inner ring rivet 5 successively；

The fixing connected mode of described front wheel disc 1, main rotary table 2 and rear trochal disc 3 is for rivet by outer ring rivet 6；Described outer ring rivet 6 is uniformly distributed along the edge circumference of front wheel disc 1；Front wheel disc 1, main rotary table 2 and rear trochal disc 3 are riveted by described outer ring rivet 6 successively.

Start motor, the output shaft of motor is connected with protruding shaft 4, drive double-impeller rotates, the wind that front vane 11 on front wheel disc 1 produces blows out from air outlet, rear trochal disc 3 rotates simultaneously, make rear blade 31 produce the heat that negative pressure takes the motor at rear trochal disc 3 back side away, then heat is blown out from air outlet, strengthen the heat radiation to motor.

Embodiment 2

With reference to Fig. 1,2,3 and combine Fig. 4, the feature of the present embodiment is: the front vane 11 of described front wheel disc 1 is provided with front buckling piece 111；Described front buckling piece 111 stretches out from the edge of front vane 11；Described front buckling piece 111 turns down backward and is fastened on the edge of main rotary table 2；The rear blade 31 of described rear trochal disc 3 is provided with rear buckling piece 311；Described rear buckling piece 311 stretches out from the edge of rear blade 31；Described rear buckling piece 311 turns down forward and is fastened on the edge of main rotary table 2.Remaining structure and features is same as in Example 1.

The present embodiment without punching press nail, is fixed without outer ring rivet 6, utilizes the front buckling piece 111 on front wheel disc 1, the rear buckling piece 311 of rear trochal disc 3 is connected with main rotary table 2, and packaging efficiency is higher.

For a person skilled in the art, can technical scheme as described above and design, make other various corresponding changes and deformation, and within all these changes and deformation all should belong to this utility model scope of the claims.

Claims

1. a double-impeller, it is characterised in that include front wheel disc, main rotary table and rear trochal disc； It is evenly distributed with several front vanes on the surface of described front wheel disc；Described front vane and front wheel disc Be formed in one structure；Several front vanes described arrange radially along the radius of front wheel disc； Each front vane described has identical deflection angle；On the surface of described rear trochal disc uniformly Several rear blade is distributed；Described rear blade and rear trochal disc are formed in one structure；If it is described Dry individual rear blade arranges radially along the radius of rear trochal disc；Each rear blade described has Identical deflection angle；

The center of described front wheel disc is provided with the first through hole；Described main rotary table is provided with the second through hole； The center of described rear trochal disc is provided with third through-hole；Described first through hole, the second through hole and threeway Hole is in correspondence with each other；Described front wheel disc, main rotary table and rear trochal disc are fixedly connected sequentially；Described front-wheel Dish is fitted in the front of main rotary table, and rear trochal disc is fitted in the back side of main rotary table.

2. double-impeller as claimed in claim 1, it is characterised in that: described before each The plane of blade is orthogonal with the surface of front wheel disc；The plane of each rear blade described with after The surface of wheel disc is orthogonal.

3. double-impeller as claimed in claim 1, it is characterised in that: described double-impeller Also include protruding shaft；Described protruding shaft includes connecting portion and fixed part；Described connecting portion wears threeway Hole, the second through hole and the first through hole；The surface of rear trochal disc is kept out and be fixed on to described fixed part.

4. double-impeller as claimed in claim 1, it is characterised in that: described front wheel disc, The fixing connected mode of main rotary table and rear trochal disc is for rivet by outer ring rivet.

5. double-impeller as claimed in claim 1, it is characterised in that: described front wheel disc Front vane is provided with front buckling piece；Described front buckling piece stretches out from the edge of front vane；Institute State the edge that front buckling piece turns down backward and is fastened on main rotary table；On the rear blade of described rear trochal disc It is provided with rear buckling piece；Described rear buckling piece stretches out from the edge of rear blade；Fasten after described Part turns down forward and is fastened on the edge of main rotary table.