CN2219450Y

CN2219450Y - Transverse flow fan fixer for fume exhauster

Info

Publication number: CN2219450Y
Application number: CN 94222052
Authority: CN
Inventors: 许耀宗
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-09-16
Filing date: 1994-09-16
Publication date: 1996-02-07
Anticipated expiration: 2004-09-16

Abstract

The utility model discloses a transverse flow fan fixer for a fume exhauster. A motor output shaft is connected with a rotating disk which is provided with a plurality of locating convex bodies; one side of a transverse flow fan is provided with a plurality of locating holes for embedding into the locating convex bodies to locate, and the other end of the transverse flow fan is provided with a locating convex body; the frontage of a shaft lever is provided with a locating collar, and a convex key is arranged above the shaft lever; a clamping plate is provided with a shaft hole, a locating hole which is inlaid with the locating convex body of the transverse flow fan and a groove corresponding to the convex key of the shaft lever, and the outer side of the clamping plate is held and pressed with a spring. Therefore, the transverse flow fan has the advantages of easy disassembly and cleaning, rapid assembly and no sticking of excessive oil sludge. Therefore, the air discharge is smooth, the vibration noise is reduced, and the service life of the motor is increased.

Description

The cross flow fan fixture of smoke exhaust

The utility model relates to a kind of cross flow fan fixture of smoke exhaust, refers to that especially a kind of dismounting, assembling are convenient, and is beneficial to the brand-new fixed structure design of cleaning maintenance.

Present commercially available traditional smoke exhaust, not outer upright or horizontal smoke exhaust, it drives the fan blade fan by motor and draws oil smoke, this traditional fan blade fan 1 as shown in Figure 1, this fan blade fan utilizes rotation to produce eddy current and draws oil smoke, therefore bigger blast is arranged, but its noise is very big, again, China is epicurism, to being famous in the world to eat, and because the special cooking method of Chinese food, often need propagandize hotly fried, oil at high temperature very easily produces a large amount of oil smoke, One's face is black with oil and dust and the people who makes the cook or the cooking does, and attach oil stain around making the kitchen, so the consumer is concerned about that to smoke exhaust binomial is exactly to want suction strong no more than first most, oil smoke can be discharged rapidly, second is exactly that noise is little, but, the most traditional smoke exhaust is former only to have a motor to drive a fan blade, in European and American countries also is so, but because the cooking method of Chinese food differs from western countries, therefore for adapting to compatriots' demand, then change single motor into double motor, and constantly increase the horsepower and the rotating speed of motor, and in advertisement, be demand constantly with superpower horsepower or suction, certainly, the increase of horsepower and rotating speed though have certain suction to increase for the oil extraction effect, is not a cure-all medicine, easily cause flow-disturbing on the contrary and increase noise because add strong suction, and cause all disappearances of deriving such as power consumption increase.See also Fig. 2, this is traditional vertical type smoke exhaust, this fan blade fan 1 places in the bellows 12, utilize a motor 13 driven rotary air drafts, but this structure can use still to a small amount of oil smoke that general cooking mode is produced, then not apply for a large amount of oil smoke of propagandizing fried generation hotly and use, so, there is the dealer to set about designing a kind of appropriate location and installs cross flow fan 3 additional, utilize cross flow fan 3 to assist fan blade to fan 1 oil suction cigarette, to prevent the oil smoke diffusion at this body 2.Please consult shown in Figure 3 again, tradition cross flow fan structural representation, the position of relative motor 30 output shafts 301 of these tradition cross flow fan 3 one sides is provided with a convergence set 31, the top of this convergence set 31 is a screw 310, motor 30 output shafts 301 parts are axis hole 311 relatively, after the output shaft 301 of motor 30 embeds convergence set 31, utilize a hexagon socket head cap screw 32 and the location that locked, and its another side system is fixed on the body, the blade 33 of cross flow fan 3, be parallel and arrange numerous, and above-mentioned auxiliary smoking apparatus, following shortcoming is arranged, analyzes now as the back:

One, this cross flow fan 3 (as shown in Figure 2), system is fixed on the appropriate location of body 2, and because deflector 14 is coated on cross flow fan 3 and only stays an inlet scoop 16 in the body 2, when cross flow fan 3 and fan blade fan 1 startup exhausting, oil smoke is then discharged from exhaust outlet 17 according to the direction of arrow, therefore commonly use the said fixing structure of cross flow fan 3, force them can't disassembly, cleaning.

Two, the blade 33 (as shown in Figure 3) of this cross flow fan 3, system is parallel and arranges numerous, after it often uses, oil stain must attach on blade 33, because of it can't be dismantled, certainly will too much to hinder air draft smooth and easy because of oil stain, and then increase the load of motor 30, and power consumption also more and more increases, and is not inconsistent economic benefit.

Three, this cross flow fan 3 is also piled up grease when static, accumulates over a long period, and causes the balance of fan degree to change, and will have vibrations and noise to change during rotation.

Therefore, main purpose of the present utility model is to provide a kind of cross flow fan fixture of smoke exhaust, its have dismounting easily, assembling rapidly, and then reach the convenient oil stain that cleans, guarantee air draft effect smoothly.

A purpose more of the present utility model is that a kind of cross flow fan fixture of smoke exhaust is being provided, and its simple structure is firm, can not produce and rock, and not have the possibility that comes off, and has safe effect.

In order to achieve the above object, the cross flow fan fixture of a kind of smoke exhaust that the utility model provides is characterized in that including:

One motor, its output shaft connects a rolling disc, and this rolling disc is provided with some location convex body;

One cross flow fan, it is provided with locating hole with respect to convex body place, described location, can embed the convex body location, location on the described rolling disc, and its another side then is provided with the location convex body relatively;

One axostylus axostyle, its place ahead form a location flange, and its top is provided with a protruding key;

One blocking dish, be provided with axis hole and locating hole in it, wherein the protruding key place of the described relatively axostylus axostyle of this axis hole forms a groove, can slippage on the protruding key of this axostylus axostyle, but can not rotate, a spring housing is located on the described axle pavilion in the blocking dish outside, the locating hole of this blocking dish again, can embed the location for the location convex body of cross flow fan, run through blocking dish, spring and bearing by axostylus axostyle, and be positioned in the circular hole of fixed head.

By the ingenious combination of above-mentioned member, this cross flow fan is had assemble effect easily.

For making your juror further understanding be arranged to structure of the present utility model, feature and effect, conjunction with figs. explanation now as back:

The simple declaration of accompanying drawing:

Fig. 1 is traditional fan blade fan schematic diagram.

Fig. 2 installs the cut-away view of cross flow fan additional for traditional smoke exhaust.

Fig. 3 is the structural representation of traditional cross flow fan.

Fig. 4 is a STRUCTURE DECOMPOSITION schematic diagram of the present utility model.

Fig. 5 is a structure cut-away view of the present utility model.

Fig. 6 is a textural association schematic diagram of the present utility model.

Fig. 7 is another structural representation of the present utility model.

Fig. 8 is another structure cut-away view of the present utility model.

Fig. 9 is an enforcement illustration of the present utility model.

Figure 10 is that of the present utility model another implemented illustration.

At first, see also shown in Figure 4ly, the utility model consists predominantly of:

One motor 4, its output shaft 40 connects a rolling disc 41, and this rolling disc 41 is provided with the location convex body 410 of some symmetries;

One cross flow fan 5, it is provided with locating hole 50 with respect to convex body 40 places, location, can embed the location convex body 410 on the rolling disc 41 and locatees, and its another side then is provided with location convex body 51 relatively;

One axostylus axostyle 6, its place ahead form a location flange 60, and its top is a protruding key 61;

One blocking dish 7, it is provided with axis hole 70 and locating hole 71, wherein protruding key 61 places of these axis hole 70 relative axostylus axostyles 6 form a groove 701, can be on the protruding key 61 of axostylus axostyle 6 slippage but can not rotate, one spring 72 is to be positioned on the axostylus axostyle 61 in blocking dish 7 outsides, and the locating hole 71 of this blocking dish 7 can embed the location for the location convex body 51 of cross flow fan 5 again, axostylus axostyle 6 runs through blocking dish 7, spring 72 and bearing 8, and is positioned in the circular hole 90 of fixed head 9;

By the ingenious combination of above-mentioned member, this cross flow fan 5 is had assemble effect easily.

Assembled configuration of the present utility model and method, please consult shown in Figure 5 again, motor 4 and fixed head 9 are to be fixed in the body, in the time will assembling cross flow fan 5, the location convex body 410 that an end that earlier cross flow fan 5 is had a locating hole 50 is inserted in rolling disc 41 is the blocking fit with it, axostylus axostyle 6 runs through blocking dish 7 again, spring 72 and bearing 8 and be fixed in the fixed head 9, the locating flange 60 that utilizes axostylus axostyle 6 is blocking dish 7 fixedly, and this blocking dish 7 utilizes the groove 701 on its axis hole 70 can be along protruding key 61 slippages of axostylus axostyle 6, and utilize the elastic force of spring 72, and has elastic displacement, this moment is when outwards gently drawing blocking dish 7 according to the arrow A direction, can form enough spaces, the location convex body 51 of cross flow fan 5 is embedded in the locating hole 71 of blocking dish 7, wait aim at after, blocking dish 7 is loosened, be that spring 72 promptly restores to the original state, and make 7 pairs of cross flow fans of blocking dish 5 form a roof pressure strength, when motor 4 starts rotation by output shaft 40 driven rotary dishes 41 and blocking dish 7 rotation exhausting, roof pressure strength by spring 72, can make cross flow fan 5 more steady, and do not have the possibility that comes off, and this blocking dish 7 is protruding key 61 blockings that utilize groove 701 and axostylus axostyle 6, and therefore, axostylus axostyle 6 is also along with 7 rotations of blocking dish, and it is positioned at rigid bearing 8, so can not be offset, and with the output shaft 40 of motor on same center line, therefore, as shown in Figure 6, when cross flow fan 5 rotated, its central point also can not be offset, and has the effect of spin stabilization.

Please continue to consult shown in Figure 6, the utility model combination schematic diagram, wherein the external diameter of blocking dish 7 is slightly larger than the external diameter of cross flow fan 5, when it needs disassembly, cleaning, blocking dish 7 gently need only be pulled on the protruding key 61 laterally and do displacement, can make the locating hole 71 of the location convex body 51 disengaging blocking dishes 7 of cross flow fan 5, its assembling is very convenient.

Please cooperate shown in Figure 7, another structural representation of the utility model, the location convex body 51 of cross flow fan 5 wherein, can form a chase 510 in the centre, and the locating hole 70 of blocking dish 7 is provided with a clamping slot 710 according to the direction of cross flow fan 5 rotations, when the location of this cross flow fan 5 convex body 51, the locating hole 71 that embeds blocking dish 7 starts when rotating, and by its rotation direction, the chase 510 of location convex body 51 can be positioned at rapidly in the clamping slot 710.

Please cooperate simultaneously and consult Fig. 8,, be positioned in the clamping slot 710, when its cross flow fan 5 starts exhausting, have more firm effect by the chase 510 that clearly discloses this location convex body 51 among the figure.

See also Fig. 9 and Figure 10 enforcement illustration of the present utility model, root edge below this body 2, being provided with one can be to the bluff piece 20 of the Zhe that turns up, and cross flow fan 5 places in it, after cross flow fan 5 uses, bluff piece 20 outwards can be opened, cross flow fan 5 can be unloaded cleaning, so, cross flow fan 5 must not can attach too much oil stain, can reduce the load of motor 4, and then reach less electricity consumption.

One, the utility model is the locating hole of sharp cross flow fan one side and the location convex body of another side, but ease of assembly is on the rolling disc and blocking dish of motor, and utilize the blocking dish can be at the axostylus axostyle top offset, and can rotate simultaneously, when cross flow fan is rotated, can be central point with the output shaft 40 and the axostylus axostyle 6 of motor, can not be offset.Moreover, utilize spring 72 elastic force in brake disc 7 outsides, make brake disc 7 have roof pressure power, cross flow fan is steadily located, and easy to assembly.

Two, cross flow fan of the present utility model, for propagandizing fried a large amount of oil smoke hotly, has the effect that auxiliary fan blade fan is discharged rapidly, and because quick detachable cleaning, certainly will can not attach too much oil stain by blade, can guarantee that air draft is smooth and easy, reduce the service life of vibrating noise and increase motor, and then reach less electricity consumption, fully meet economic benefit.

Three, the utility model simple structure is firm, and it need use screw that cross flow fan is fixed hurriedly, and when rotating, can not produce and rock, and more can not come off, and has safe effect.

Claims

1. the cross flow fan fixture of a smoke exhaust is characterized in that including:

One blocking dish, be provided with axis hole and locating hole in it, wherein the protruding key place of this described relatively axostylus axostyle in commentaries on classics hole forms a groove, can slippage on the protruding key of this axostylus axostyle, but can not rotate, a spring housing is located on the described axostylus axostyle in the blocking dish outside, the locating hole of this blocking dish again, can embed the location for the location convex body of cross flow fan, run through blocking dish, spring and bearing by axostylus axostyle, and be positioned in the circular hole of fixed head.

2. the cross flow fan fixture of smoke exhaust as claimed in claim 1 is characterized in that, the location convex body of this cross flow fan, can form a chase in the centre, the locating hole of this rolling disc again is according to the direction of cross flow fan rotation, be provided with a clamping slot, can embed for described chase.