CN1291189C - motor housing for exhaust hood - Google Patents
motor housing for exhaust hood Download PDFInfo
- Publication number
- CN1291189C CN1291189C CN 200310101368 CN200310101368A CN1291189C CN 1291189 C CN1291189 C CN 1291189C CN 200310101368 CN200310101368 CN 200310101368 CN 200310101368 A CN200310101368 A CN 200310101368A CN 1291189 C CN1291189 C CN 1291189C
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- CN
- China
- Prior art keywords
- motor shell
- protuberance
- side perimeter
- securing member
- perimeter surface
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000003351 stiffener Substances 0.000 claims description 16
- 230000003014 reinforcing effect Effects 0.000 claims description 12
- 239000007789 gas Substances 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 2
- 239000002184 metal Substances 0.000 abstract description 7
- 239000004033 plastic Substances 0.000 abstract description 7
- 229920003023 plastic Polymers 0.000 abstract description 7
- 230000002787 reinforcement Effects 0.000 abstract description 5
- 230000013011 mating Effects 0.000 abstract 1
- 230000000452 restraining effect Effects 0.000 abstract 1
- 230000000717 retained effect Effects 0.000 abstract 1
- 239000004519 grease Substances 0.000 description 16
- 230000003321 amplification Effects 0.000 description 4
- 238000000354 decomposition reaction Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000003199 nucleic acid amplification method Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 238000010411 cooking Methods 0.000 description 3
- 230000001050 lubricating effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000000429 assembly Methods 0.000 description 2
- 229910052755 nonmetal Inorganic materials 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000005465 channeling Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000008393 encapsulating agent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 210000003141 lower extremity Anatomy 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Abstract
An exhaust hood motor housing has upper and lower portions joined together along respective side edges thereof. Wherein the mating projections with a gap therebetween extend from a side edge of a portion of the motor housing. The side edge of the other part of the motor housing is adapted to be inserted into the gap so as to be frictionally retained therein. The ridge ensures that the upper and lower portions are accurately joined. Other restraining means are in the form of a reinforcement assembly comprising a reinforcement sheet and a plurality of fasteners to ensure that the upper and lower portions are properly joined. The motor housing may be made of metal or plastic.
Description
Technical field
The present invention relates to a kind of hood motor shell, and be particularly related to a kind of improved motor shell design.
Background technology
Hood is used in the kitchen range surface, to remove the grease that produces, common smell and hazardous gas in cooking process.Usually, the family expenses hood has a pair of level and is installed in motor in the motor shell in the cover body.Each motor drives a fan.The cooking zone suction air of this fan under it, and force air to flow to ventilation duct by motor shell.
Motor shell is determined a shroud, and can be installed within another shroud that is formed by the hood body.The sidewall of motor shell is vertical substantially, and when from top or below when seeing, be the shape that roughly limits 8 font patterns.The inside of cover is divided into two substantially similarly chamber chambers independently.Each chamber chamber has an air intake and a passage.
Usually the grease that comprises some evaporations from the hot-air of cooking zone extraction.When air was forced through motor shell, some greases condensed and accumulate on the inner surface of motor shell.This motor shell forms funnel-form usually, so that the grease that condenses flows to the bottom of cover, finally is expelled to an outside lubricating cup.Yet,, enter into the hood body so that prevent the grease effusion because therefore grease, guarantees that housing is very important by sealing fully from aerial landing.And, also wish to touch the inside of motor shell, so that it is cleared up.
U.S. Patent No. 5,537,988 show a kind of typical motor shell, and this motor shell adopts suspended and welding single piece of metal formation thereon below the hood body.Because motor shell can not move or dismantle, and clears up motor shell so must pass the fan opening.Cleaning person's work of in housing, " feeling about in the dark ", thereby be difficult to thoroughly clear up.And nonmetal motor shell can not be welded on the hood body.For example, adopt a plastics motor shell to know from experience and cause the sealing between motor shell and the hood incomplete, become owner of the hood body thereby may make grease reveal to go forward side by side.
The motor shell of another kind of type is made by a top part and a bottom part, and described top part and bottom part couple together by sidepiece is welded together.So whole housing and motor are connected on the hood body.This connection is owing to needing meticulous metal flanging and expensive welding, so very difficult and expensive.In addition, described housing can not be dismantled and therefore be difficult to and clear up.And then, because plastics can not flanging and welding, so the connection of this form can not be used for the plastics motor shell.
Therefore, an object of the present invention is to provide a kind of hood, this hood has a motor shell, and described motor shell can snugly seal, thereby prevents that the grease that condenses from entering the main exhaust cover body.
Another object of the present invention provides a kind of motor shell that is used for hood that can be made by metal or nonmetallic materials.
Another object of the present invention provides a kind of motor shell that is used for hood that can easily dismantle and re-assembly, so that help thoroughly clearing up and touching motor shell inside.
Be not that all aspects of the present invention are all in these purposes each.Other purpose of the present invention from the following description will be apparent.
Summary of the invention
According to the present invention, provide a kind of motor shell that is used for hood.The top part of motor shell is fitted and connected on the bottom part of motor shell aptly around its outward flange, thereby forms all side surfaces of motor shell.Be inserted into by top edge in the slit in the lower limb of top section, top part and bottom part are snugly linked together the bottom part.
In one aspect of the invention, comprise that one is used to be installed to the intrinsic motor shell of hood, is used for the top extracting gases from the kitchen range surface.This motor shell comprises a top part with a top surface and extension away from the first side perimeter surface of top surface.Bottom part has a basal surface and extension second side perimeter surface away from basal surface.The edge of one of first or second side perimeter surface has the cooperation protuberance, and has the gap between the cooperation protuberance.The edge of another in the first or second side perimeter surface is suitable for being inserted in the gap that cooperates between the protuberance, so that friction remains on therebetween.
In one aspect of the method, the first side perimeter surface has the protuberance of cooperation, and the edge of the second side perimeter surface is suitable for being inserted in the gap that cooperates between the protuberance, so that friction remains on wherein.
In one aspect of the method, motor shell further is included in a plurality of protuberances on the second side perimeter surface.This protuberance can separate with the edge of the second side perimeter surface, and the ultimate range that is separated equals to cooperate the gap depth between the protuberance.
In one aspect of the method, motor shell further comprises a stiffener assembly.This stiffener assembly can be taked the form of a reinforcing band and a fastener.This fastener comprises a pair of calibration/alignment securing member, respectively has one on each part of motor shell, so that reinforcing band can be coupled together.Securing member can take a pin and split pin, self-lock pin for example to block fitting pin or bolt and and the form of nut.A plurality of stiffener assemblies can be provided with at interval along all side surfaces of motor shell.
Noted earlier only is general introduction and aspects more of the present invention of broad sense, and it is not intended in order to determine boundary of the present invention or requirement.By the detailed description of reference preferred embodiment and claims, it will be appreciated that others of the present invention.
Description of drawings
By the following explanation that the reference accompanying drawing carries out, above-mentioned and of the present invention further feature will become clearer, wherein:
Figure 1A is the side view of an air discharge hood for kitchen, and it comprises motor shell according to a preferred embodiment of the present invention, and wherein the right hand portion of accompanying drawing provides than left-hand part and cut darker cutaway view open;
Figure 1B is the side view of an air discharge hood for kitchen, and it comprises motor shell according to an alternative embodiment of the invention, and wherein the right hand portion of accompanying drawing provides than left-hand part and cut darker cutaway view open;
Fig. 2 is the bottom perspective view of a preferred embodiment of motor shell;
Fig. 3 A is the top part of motor shell of Fig. 2 and the zoomed-in view of the connecting portion between the part of bottom;
Fig. 3 B is the top part of motor shell of Fig. 2 and the amplification decomposition figure of the connecting portion between the part of bottom;
Fig. 4 is the bottom perspective view of another embodiment of motor shell;
Fig. 5 A is top part and the connecting portion between the part of bottom and the zoomed-in view of stiffener assembly of the motor shell of Fig. 4;
Fig. 5 B is motor shell top part and the connecting portion between the part of bottom and the amplification decomposition figure of stiffener assembly of Fig. 4;
Fig. 6 A is the zoomed-in view of the alternate embodiment of the top part of motor shell of Fig. 4 and connector between the part of bottom and stiffener assembly;
Fig. 6 B is the amplification decomposition figure of the alternate embodiment of the top part of motor shell of Fig. 4 and connector between the part of bottom and stiffener assembly;
Fig. 7 A is the zoomed-in view of another alternate embodiment of the top part of motor shell of Fig. 4 and connector between the part of bottom and stiffener assembly;
Fig. 7 B is the amplification decomposition figure of another alternate embodiment of the top part of motor shell of Fig. 4 and connector between the part of bottom and stiffener assembly.
The specific embodiment
Figure 1A and 2 shows a hood 10, and it comprises a hood body 12, and motor shell 14 according to a preferred embodiment of the invention is installed on wherein.
Hood 10 is designed to be installed in family expenses kitchen range, the surface of a four eyed gas-cooker for example, so that help removing the steam and the analog that carry full grease that produces when culinary art.Motor shell 14 has top 16, bottom 18 and all side surfaces 20, and they limit a shroud 22, and can be installed in another shroud 24 that is formed by hood body 12.Motor shell 14 can be made by metal or nonmetal (for example plastics).The internal coat of housing 14 has non-adhesive material, so that help removing grease.
The housing 14 that assembles comprises two chambers (only can see in Figure 1A), and each chamber can touch by one in housing 14 downsides inlet 26.Motor 28 is loaded in each chamber of housing 14, and is connected the inboard of hood body 12 upper surfaces.Fan 30 is fixed on each motor 28 by fan guard 32.The fan net 34 that is connected on the lower plate 36 prevents that foreign matter from passing air intake 26 and inserting and enter into fan 30.Lower plate 36 is releasably connected on the remainder of hood body 12.When operation during motor 28, each fan 30 rotation, and will be fully loaded with the air suction motor shell 14 of grease, and force described air to flow out the air vent (not shown) at this place by air intake 26.
Fig. 3 A represents the top part 16 of motor shell 14 and the zoomed-in view of the connecting portion between the bottom part 18, and Fig. 3 B is the exploded view of this connecting portion.The cooperation protuberance 40 of the sidewall free end of top part 16 forms a y-shaped gap, and the edge sidewalls 42 of bottom part 18 can be inserted wherein.Cooperate protuberance 40 to curve inwardly, so that guide and guarantee the correct insertion at edge 42 on the top of described Y shape angledly.Cooperate the size in the gap between the protuberance 40 corresponding, so that between parts, provide sliding friction to cooperate with the thickness at edge 42.The edge should be appreciated that the accurate shape of link is not made excessive demands, as long as can snugly be coupled in the gap.
Preferably, as shown in Figure 2, alignment pin (for example protuberance) 44 arranged around the periphery compartment of terrain of motor shell 14.In a preferred embodiment, alignment pin 44 is positioned on the outer surface at edge 42, so that must be promoted how far channeling conduct together for two housing parts 16,18, closely cooperates guaranteeing.Described part is promoted together, in cooperating protuberance 40 outer one with alignment pin 44 in abutting connection with till.Alignment pin 44 also is provided with a visual guide, allows described housing is carried out visual examination, correctly re-assemblies guaranteeing.Therefore, alignment pin 44 can equal the degree of depth in gap 40 with edge 42 isolated ultimate ranges.
For simplicity's sake, specification and accompanying drawing are discussed at the gap 40 of the connecting portion that extends downwards from the top part 16 of housing 14, and the top margin of bottom part 18 forms edge 42.This point is preferred, thereby any grease that is discharged to motor shell inside down can not be drained in the gap.Yet, be appreciated that this closure also can reverse.
Bottom part 18 can comprise a tap (not shown) in the bottom.Preferably, bottom 18 has a wall 6 that protrudes in the described chamber, and limits an air intake.When grease arrived the bottom of motor shell 14 by funnel, wall 6 prevented that it from passing through inlet and discharging.Alternatively, the basal surface of motor shell also tilts, so that grease is expelled to tap and passes through a flexible pipe 58, and it is collected in the lubricating cup 60 at this.Lubricating cup 60 extends below hood 10, and it can easily touch, and can dismantle whole hood and just can empty.
Pallet 4 can be inserted in the protuberance 8 and a gap between the wall 6 that is formed at downward extension.Pallet 6 is used for air-flow is directed to fan, and is used to catch any grease that may drip from the periphery of fan 30.This pallet is releasably connected on the motor shell, so that can easily touch fan.
In an alternate embodiment shown in Figure 1A, pallet is not set.Because bottom part 118 can be dismantled so that clear up, so an independently pallet need be installed on motor shell.The wall 106 that depends on lower surface 104 forms an air intake, and is used as the barrier of the grease in the assembling supporting member.Walls 108 in the lower plate 36 form an air intake, and when plate 36 was connected on the cover body 12 of hood 100, wall 108 and wall 106 were adjacent.Owing to,, thereby can reduce engineering and manufacturing cost so bottom part 118 can be a simple global facility for a pallet is installed to the requirement that does not have on the bottom part 118 in the special manufacturing.Yet, as following further discussion, do not have pallet will cause near the more step of fan needs.And, wish that also the bottom part of motor shell can be suitable for being connected with the pallet of existing type.
In order fully to stablize connecting portion and additional sealing to be provided, before inserting edge 42, encapsulant, a for example silicon can be inserted in the gap 40.For inside that arrives motor shell and the grease that cleans out any accumulation, may wish to pull down the bottom part 18 of motor shell 14.If bottom part 18 is dismountable, additional seal material on connecting portion not before the assembling of upper and lower motor shell part 16,18 then.
Though the frictional fit of connecting portion provides the firm connection of two motor shell parts, may wish that also combination is with further restriction/constraint measure, to prevent two part accidental separation.In an alternate embodiment of the present invention shown in Figure 4, this attaching means has been shown.This attaching means provides extra support, rests on its residing position with making housing 14 secure lock.Therefore, as shown in Figure 4 and as among Fig. 5-7 in more detail the expression, attaching means (for example stiffener assembly) can turn up the soil at interval place housing 14 around.
Usually, stiffener assembly comprises that the outer surface of the top part 16 of a pair of and motor shell 14 and bottom part 18 forms reinforcement pins 46 and the reinforcing band 48 with hole 49 of one.In a preferred embodiment of the invention, shown in Fig. 5 A and 5B, slide and cross pin 46 in the hole 49 in the reinforcing band 48.Then, by with split pin 50 or similarly locking mechanism (as the hawser band or reverse band) be inserted in the groove in the reinforcement pins 46, make reinforcing band 48 lock in place.Reinforcing band can be made by fabric, metal, plastics or any other suitable material heat-resisting and that do not extend.
In an alternate embodiment, shown in Fig. 6 A and 6B, reinforcement pins 46 can replace by locking engagement pin 52 certainly.In case install reinforcing band 48, engagement pin 52 is the lockable location just.Must resist engagement pin and exert pressure, be with 48 so that remove.
In another alternate embodiment, shown in Fig. 7 A and 7B, bolt 54 also can be used to make reinforcing band 48 to keep the location.Nut 56 covers the exposed ends of bolt 54, to prevent that the user is injured and make outward appearance more attractive in appearance.
In all embodiments, if motor shell 14 is made of metal, then fastener (for example sell 46,52 or securing member such as bolt 54) preferably is soldered on the side of top part 16 and bottom part 18.If housing 14 is made of plastics, then the preferred molding of fastener forms and forms one with top part and bottom part 16,18.Such manufacturing will provide the strongest fastener, to strengthen the connection between top part 16 and the bottom part 18.
In order to touch motor shell 14, need pull down lower plate 36 to clear up.After pulling down flexible pipe 58, bottom part 18 can be promoted downwards as the crow flies, so that itself and top part 16 are separated, and from hood 10, take out.Then, can clear up the bottom part.The cleaning personnel also can directly touch the whole downside of top part 16.Fan also can easily be pulled down, and clears up so that help.By top part and the bottom part 16,18 that has served as a contrast motor shell and two halfbodies that promote housing 14 together, till cooperating protuberance 40 to run into alignment pin 44, can simply motor shell be re-assemblied.Can also advise realizing visual examination,, guarantee that two halfbodies fully also correctly couple together so that before loading onto flexible pipe 58 again and finally loading onto lower plate 36.
If only need to touch a fan, then only need pull down lower plate 36 and pallet 4 simply.This can be preferred for subsidiary cleaning motor shell inside.
If motor shell is equipped with any above-mentioned stiffener assembly, then must with bottom part 18 drop-down with its with remove before the top part 16 of motor shell 14 is separated fastening.In order to re-assembly motor shell 14, the top part of motor shell and bottom part 16,18 are at first coupled together once more, then stiffener assembly are fixed up.Unless reinforcing band 48 can not be coupled on the pin because motor shell 14 is correctly assembled, so also will check stiffener assembly, fixedly positioning to guarantee two parts 16,18.
Describe some in detail preferably and alternate embodiment though those skilled in the art should be appreciated that, do not break away from the present invention away from scope in can carry out certain modification to it.
Claims (12)
1, a kind ofly be used to be installed to the intrinsic motor shell of hood, be used for from kitchen range surface extracting gases, described motor shell comprises:
The top part, it has a top surface and extension first side perimeter surface away from top surface;
The bottom part, it has a basal surface and extension second side perimeter surface away from basal surface;
One edge in the first or second side perimeter surface has the cooperation protuberance, cooperates between the protuberance at these to have the gap;
The edge of another in the first or second side perimeter surface is suitable for being inserted in the gap between the described cooperation protuberance, so that friction remains on therebetween.
2, motor shell as claimed in claim 1 is characterized in that, the first side perimeter surface has described cooperation protuberance, and the edge of the second side perimeter surface is suitable for being inserted in the gap that cooperates between the protuberance, so that remain on wherein by frictional force.
3, motor shell as claimed in claim 2 is characterized in that, further comprises a plurality of protuberances that are positioned on the described second side perimeter surface.
4, motor shell as claimed in claim 3 is characterized in that, described protuberance equals the described degree of depth that cooperates the gap between the protuberance with the ultimate range that the edge of the described second side perimeter surface separates.
5, motor shell as claimed in claim 1 is characterized in that, further comprises a stiffener assembly.
6, motor shell as claimed in claim 5 is characterized in that, described stiffener assembly comprises:
At least one reinforcing band;
The fastener that is used for each reinforcing band.
7, motor shell as claimed in claim 6 is characterized in that, a plurality of described fasteners are provided with around the circumferential interval of described motor shell.
8, motor shell as claimed in claim 6 is characterized in that, described fastener comprises a pair of calibration securing member, and a securing member vertically extends from the top part of motor shell, and a securing member vertically extends from the bottom part of motor shell.
9, motor shell as claimed in claim 8 is characterized in that, described reinforcing band comprises the hole of two separation, so that allow a hole to cooperate with each securing member.
10, motor shell as claimed in claim 9 is characterized in that, described each securing member comprises a pin and a split pin.
11, motor shell as claimed in claim 9 is characterized in that, described each securing member comprises a self-lock pin.
12, motor shell as claimed in claim 9 is characterized in that, described each securing member comprises a nut and a bolt.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| HK03102417A HK1052114A2 (en) | 2003-04-03 | 2003-04-03 | Motor housing for range hood |
| HK03102417.8 | 2003-04-03 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1536278A CN1536278A (en) | 2004-10-13 |
| CN1291189C true CN1291189C (en) | 2006-12-20 |
Family
ID=29764793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200310101368 Expired - Fee Related CN1291189C (en) | 2003-04-03 | 2003-10-16 | motor housing for exhaust hood |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN1291189C (en) |
| HK (1) | HK1052114A2 (en) |
-
2003
- 2003-04-03 HK HK03102417A patent/HK1052114A2/en not_active IP Right Cessation
- 2003-10-16 CN CN 200310101368 patent/CN1291189C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| HK1052114A2 (en) | 2003-08-15 |
| CN1536278A (en) | 2004-10-13 |
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