CN205383667U - Range hood and fan subassembly thereof - Google Patents
Range hood and fan subassembly thereof Download PDFInfo
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- CN205383667U CN205383667U CN201620127693.5U CN201620127693U CN205383667U CN 205383667 U CN205383667 U CN 205383667U CN 201620127693 U CN201620127693 U CN 201620127693U CN 205383667 U CN205383667 U CN 205383667U
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- trousers
- dividing plate
- spiral case
- range hood
- cavity
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Abstract
The utility model provides a range hood and fan subassembly thereof. Wherein, range hood's fan subassembly including the spiral case that has left cavity and right cavity, respectively hold impeller in left cavity and right cavity, with the motor of impeller coaxial coupling and install the check valve in the spiral case exit, the end of volute spiral molded lines has a baffle that extends to spiral case export orientation, left cavity with right side cavity sets up separately in the baffle both sides to it forms left air -out passageway and right air -out passageway to be linked together with the spiral case export respectively, install the radome fairing on the baffle, be connected with radome fairing smooth transition to spiral case export orientation, baffle along the end of volute spiral molded lines, and the horizontal width of radome fairing is first crescently reduces gradually after to make the whole fusiformis that is of radome fairing. The utility model provides a range hood's fan subassembly under the prerequisite that does not reduce the whole wind -guiding performance of spiral case, has reduced left side air current and right side air current and has joind and the pneumatic pulsation noise that produces in the spiral case exit.
Description
Technical field
This utility model relates to kitchen utensils field, more specifically, relates to the fan assembly of a kind of range hood and includes the range hood of this fan assembly.
Background technology
Along with the lifting of people's quality of the life, user uses range hood increasingly to pay close attention to it and runs noise level, and domestic noise management and control standard of also range hood being run has carried out receiving sternly simultaneously；And the problem that the two fans range hood ubiquity noise sold in the market is big, trace it to its cause and be in that two fans cigarette machine left and right motor speed difference and cause left and right rotation speed of fan different, and then left and right air-flow carries out friction and produces relatively air tremulous pulse moving noise when air outlet position converges.
For the problem that above-mentioned noise is big, generally adopt the concordance improving left and right motor speed at present, reduce noise, but the manufacturing process of motor can only accomplish ± the difference of 30 turns at present, causes that noise reduction is undesirable；Or adopt reduction motor speed to slow down the aerodynamic noise that friction brings, but so can be substantially reduced compressor flow, cause that the smoke discharging effect of range hood is poor.
Utility model content
This utility model is intended at least solve one of technical problem of existence in prior art.
For this, the purpose of an aspect of the present utility model is in that, it is provided that the fan assembly of the range hood of a kind of pneumatic microseismic noise of effective reduction.
The purpose of another aspect of the present utility model is in that, it is provided that a kind of range hood including above-mentioned fan assembly.
For achieving the above object, the embodiment of an aspect of the present utility model provides the fan assembly of a kind of range hood, including having left cavity and the spiral case of right cavity, it is respectively received in the impeller in described left cavity and described right cavity, the motor coaxially connected with described impeller, and it is arranged on the check-valves at the volute outlet place of described spiral case, the end of described snail shell coiling molded line has the dividing plate extended to described volute outlet direction, described left cavity and described right cavity set up separately in described dividing plate both sides, and be connected with described the volute outlet respectively left air-out passage of formation and right air-out passage；Wherein, being provided with trousers on described dividing plate, along the end of described snail shell coiling molded line to described volute outlet direction, described dividing plate and described trousers are connected smoothly, and the horizontal width of described trousers is first gradually increased, after be gradually reduced so that described trousers entirety is fusiformis.
The fan assembly of the range hood that this utility model above-described embodiment provides, by being provided with the dividing plate separating left cavity and right cavity on spiral case, the left and right air-flow blown out in spiral case is separated, reduces left and right air-flow to a certain extent and converge fricative noise at volute outlet place；Dividing plate is installed and is connected smoothly with dividing plate, and the trousers that entirety is in fusiformis structure, such wheel rotation drives the air-flow in left cavity and right cavity to flow along internal chamber wall, may proceed to when air-flow stream to trousers that the surface molded line along trousers is smooth and easy to move ahead, owing to trousers entirety is fusiformis, increase the distance of airflow passes and make air-flow have one section of climbing distance, so that the flow velocity near trousers place air-flow is substantially reduced, namely left and right air-flow notable reduction of speed before converging is made, converge at volute outlet place and the pneumatic microseismic noise that produces thus significantly reducing left and right air-flow；In other words, the fan assembly of the range hood that this utility model above-described embodiment provides, under the premise not reducing spiral case entirety guide performance, namely when not reducing motor and wheel speed in spiral case, reduce the exit velocity near cavity centre position, left and right, converging at volute outlet place and the pneumatic microseismic noise that produces thus reducing left and right air-flow, improving the quality of range hood.
It addition, the fan assembly of the range hood of this utility model above-described embodiment offer also has following additional technical feature:
According to an embodiment of the present utility model, described trousers has the Drainage Section, steady flow segment and the unhurried current section that are connected smoothly successively, one end of described Drainage Section and described steady flow segment are connected smoothly, and the other end of described Drainage Section and described dividing plate are connected smoothly.
nullIn above-described embodiment，The Drainage Section of trousers and dividing plate are connected smoothly，Such wheel rotation drive air-flow in left cavity and right cavity along internal chamber wall flow time，Reduce gas shock，When not changing the original flow velocity of air-flow，Air-flow is made to arrive the steady flow segment of trousers，Air-flow can be divided into two parts at steady flow segment，A part of air-flow continues to flow along steady flow segment，And reduction of speed flows to the unhurried current section of trousers gradually，So that the air-flow of trousers unhurried current section compares the air-flow of the Drainage Section of trousers，Flow velocity is effectively reduced，So that air-flow flow velocity when volute outlet place converges in left and right is significantly reduced，Thus substantially reducing pneumatic microseismic noise，Another part air-flow is then along the tangential direction of Drainage Section to the direction diffluence deviating from trousers，Thus compared with the spiral case inlet pressure not having trousers，Air-flow near spiral case median plane is disperseed，Kinetic energy is more evenly distributed volute outlet place.
According to an embodiment of the present utility model, described spiral case has spiral case median plane, described motor in described left cavity and described right cavity is symmetrical about described spiral case median plane, and described dividing plate is positioned on described spiral case median plane, and described trousers is symmetrical about described spiral case median plane.
In above-described embodiment, motor in left cavity and right cavity is symmetrical about spiral case median plane, so that be positioned at left cavity lobus sinister wheel and be positioned at right cavity lobus dexter take turns with spiral case median plane for axis of symmetry, rotate in mutually opposite directions, and trousers is symmetrical about spiral case median plane, to reduce phase contrast and the speed difference of the left side air-flow blown out by left cavity and the right side gas flows blown out by right cavity, thus the pneumatic microseismic noise that on the left of reducing, air-flow and right side gas flows produce when volute outlet converges.
According to an embodiment of the present utility model, described spiral case is provided with the snail tongue set up separately in described trousers both sides, and the inner surface of described snail tongue to the beeline L1 of described spiral case median plane, the maximum horizontal extent L2 of described trousers and the inner surface of described snail tongue to the relation between the beeline L3 of the outer surface of described trousers is: L1=0.5L2+L3.
According to an embodiment of the present utility model, on the inner surface of described snail tongue, on beeline place from described spiral case median plane and the outer surface of described trousers, the line of maximum distance apart from described spiral case median plane is perpendicular to described spiral case median plane.
In above-described embodiment, the inner surface making snail tongue is vertical with spiral case median plane to the plane at the beeline place of the outer surface of trousers, so, when the inner surface of air motion to snail tongue is to the beeline of the outer surface of trousers, air-flow is controlled deflection snail tongue wall flow by snail tongue and trousers, and along with air-flow dams the expansion in face, air-flow starts reduction of speed unhurried current, until along trousers stream to volute outlet place, left side air-flow and right side gas flows converge at volute outlet place, due to left side air-flow and right side gas flows notable reduction of speed before converging, therefore the pneumatic microseismic noise produced because left side air-flow and right side gas flows there is phase contrast and speed difference is significantly reduced.
According to an embodiment of the present utility model, the inner surface of described snail tongue to beeline L3 and the described impeller of the outer surface of described trousers to the relation between the beeline L4 of described spiral case median plane is: 1.2L4≤L3≤1.5L4.
In above-described embodiment, the inner surface of snail tongue to the beeline L3 of the outer surface of trousers more than the impeller beeline L4 to spiral case median plane, so make when the air-flow in left cavity and right cavity flows through impeller to after the beeline of spiral case median plane, air-flow face of damming expands gradually, thus flow velocity when slowly reducing air-flow stream to volute outlet place, reduce pneumatic microseismic noise；And controlling 1.2L4≤L3≤1.5L4, the situation of the exhaust effect cause that to avoid L3 value excessive the flow velocity at volute outlet place is too low, affecting range hood occurs.
According to an embodiment of the present utility model, described trousers includes being separately mounted to the left trousers on the plate face that described dividing plate two is opposing and right trousers；Wherein, the both ends of described left trousers all with described dividing plate phase clasp joint, the both ends of described right trousers all with described dividing plate phase clasp joint；Or, the both ends of described left trousers are all interlockingly connected with described dividing plate, and the both ends of described right trousers are all interlockingly connected with described dividing plate；Or, the one end of described left trousers is interlockingly connected with described dividing plate phase clasp joint, the other end and described dividing plate, and the one end of described right trousers is interlockingly connected with described dividing plate phase clasp joint, the other end and described dividing plate.
According to an embodiment of the present utility model, plate face relative with described dividing plate on described left trousers is provided with the first clasp joint portion and/or the first engaging portion, described dividing plate is provided with first installing hole corresponding with described first clasp joint portion and/or described first engaging portion, and described right trousers is provided with dodges the first of described first clasp joint portion and/or described first engaging portion and dodge hole；Plate face relative with described dividing plate on described right trousers is provided with the second clasp joint portion and/or the second engaging portion, described dividing plate is provided with second installing hole corresponding with described second clasp joint portion and/or described second engaging portion, and described left trousers is provided with dodges the second of described second clasp joint portion and/or described second engaging portion and dodge hole.
According to an embodiment of the present utility model, described trousers is monolithic construction, described trousers offers the installation seam of its one end through, the thickness of the described width installing seam and described dividing plate is suitable, the described one end of described trousers inserts described dividing plate from the free end of described dividing plate, and is fixed by screws on described dividing plate.
According to an embodiment of the present utility model, described trousers includes being separately mounted to the left trousers on the plate face that described dividing plate two is opposing and right trousers；Wherein, the described left trousers one end relative with described right trousers respectively with described dividing plate phase clasp joint or be interlockingly connected, the other end phase clamping that described left trousers is relative with described right trousers, and be formed between described left trousers and described right trousers and dodge gap for what dodge described dividing plate.
The embodiment of another aspect of the present utility model provides a kind of range hood, including the fan assembly of the range hood described in any of the above-described embodiment, and has the beneficial effect of the fan assembly of range hood described in any of the above-described embodiment.
Additional aspect of the present utility model and advantage will become apparent upon in description below part, or recognized by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage are from conjunction with will be apparent from easy to understand the accompanying drawings below description to embodiment, wherein:
Fig. 1 is the decomposition texture schematic diagram of the fan assembly of range hood described in one embodiment of this utility model；
Fig. 2 is the main TV structure schematic diagram in fan assembly shown in Fig. 1 after section components assembling；
Fig. 3 is the broken section structural representation of fan assembly shown in Fig. 2；
Fig. 4 is the A portion structure for amplifying schematic diagram of Fig. 3；
Fig. 5 is the perspective view of spiral case coaming plate in fan assembly shown in Fig. 3；
Fig. 6 is the perspective view of trousers in fan assembly shown in Fig. 3；
Fig. 7 is the perspective view of trousers described in first embodiment of this utility model；
Fig. 8 is the perspective view of left trousers or right trousers described in second embodiment of this utility model；
Fig. 9 is the perspective view of left trousers or right trousers described in the 3rd embodiment of this utility model；
Figure 10 is the perspective view of left trousers or right trousers described in the 4th embodiment of this utility model；
Figure 11 is the perspective view of trousers described in the 5th embodiment of this utility model；
Figure 12 is the perspective view of trousers described in the 6th embodiment of this utility model；
Figure 13 is the assembling structural representation of trousers shown in Figure 12；
Figure 14 is the broken section structural representation of trousers shown in Figure 13.
Wherein, in Fig. 1 to Figure 14, corresponding relation between accompanying drawing labelling and component names is:
null10 spiral cases，101 volute outlet，The end of 102 snail shell coiling molded line，103 left air-out passages，104 right air-out passages，105 spiral case median planes，11 dividing plates，111 first installing holes，112 second installing holes，12 spiral case coaming plates，21 lobus sinister wheels，22 lobus dexter wheels，31 left motors，32 right motors，40 check-valves，50 trouserss，501 Drainage Sections，502 steady flow segments，503 unhurried current sections，51 left trouserss，511 first clasp joint portions，512 second dodge hole，513、514 first engaging portion，515 first limiting sections，516 grooves，52 right trouserss，521 first dodge hole，522 second clasp joint portions，523、524 second engaging portion，525 second limiting sections，526 convex closures，53 install seam，54 screw holes，55 dodge gap，61、62 snail tongues，71 left Inlet Networks，72 right Inlet Networks.
Detailed description of the invention
In order to be more clearly understood that above-mentioned purpose of the present utility model, feature and advantage, below in conjunction with the drawings and specific embodiments, this utility model is further described in detail.It should be noted that when not conflicting, embodiments herein and the feature in embodiment can be mutually combined.
Elaborate a lot of detail in the following description so that fully understanding this utility model; but; this utility model can also adopt other to be different from mode described here to implement, and therefore, protection domain of the present utility model is by the restriction of following public specific embodiment.
Fan assembly and the range hood of range hood according to some embodiments of this utility model are described with reference to the accompanying drawings.
As depicted in figs. 1 and 2, according to the fan assembly of range hood that some embodiments of this utility model provide, take turns 21 coaxially connected left motors 31 including the spiral case 10 with left cavity and right cavity, the lobus sinister wheel 21 being contained in left cavity and the lobus dexter wheel 22 being contained in right cavity and lobus sinister and take turns 22 coaxially connected right motors 32 with lobus dexter and be arranged on the check-valves 40 at volute outlet 101 place of spiral case 10.
Wherein, the end 102 of snail shell coiling molded line has the dividing plate 11 extended to volute outlet 101 direction, and left cavity and right cavity set up separately in dividing plate 11 both sides, and be connected with the volute outlet 101 respectively left air-out passage 103 of formation and right air-out passage 104；
Being provided with trousers 50 on dividing plate 11, along the end 102 of snail shell coiling molded line to volute outlet 101 direction, dividing plate 11 and trousers are connected smoothly, and the horizontal width of trousers 50 is first gradually increased, after be gradually reduced so that trousers 50 is overall in fusiformis.
The fan assembly of the range hood that this utility model above-described embodiment provides, by being provided with the dividing plate 11 separating left cavity and right cavity on spiral case 10, the left and right air-flow of blowout in spiral case 10 is separated, reduces left and right air-flow to a certain extent and export 101 places at spiral case 10 and converge fricative noise；Dividing plate 11 is installed and is connected smoothly with dividing plate 11, and the trousers 50 that entirety is in fusiformis structure, such wheel rotation drives the air-flow in left cavity and right cavity to flow along internal chamber wall, may proceed to when air-flow stream is to trousers 50 that the surface molded line along trousers 50 is smooth and easy to move ahead, owing to trousers 50 is overall in fusiformis, increase the distance of airflow passes and make air-flow have one section of climbing distance, so that the flow velocity near trousers 50 place air-flow is substantially reduced, namely left and right air-flow notable reduction of speed before converging is made, export 101 places at spiral case 10 converge and the pneumatic microseismic noise that produces thus significantly reducing left and right air-flow；In other words, the fan assembly of the range hood that this utility model above-described embodiment provides, under the premise not reducing the overall guide performance of spiral case 10, namely when not reducing motor and wheel speed in spiral case 10, reduce the exit velocity near cavity centre position, left and right, export 101 places at spiral case 10 converge and the pneumatic microseismic noise that produces thus reducing left and right air-flow, improve the quality of range hood.
As it is shown in figure 1, the fan assembly of described range hood also includes: the right Inlet Network 72 of the left Inlet Network 71 being arranged on the air inlet of lobus sinister wheel 21 and the air inlet being arranged on lobus dexter wheel 22.
In an embodiment of the present utility model, as shown in Fig. 2, Fig. 3 and Fig. 6, trousers 50 has the Drainage Section 501, steady flow segment 502 and the unhurried current section 503 that are connected smoothly successively, one end of Drainage Section 501 and steady flow segment 502 are connected smoothly, and the other end of Drainage Section 501 and dividing plate 11 are connected smoothly.
nullIn above-described embodiment，Drainage Section 501 and the dividing plate 11 of trousers 50 are connected smoothly，Such wheel rotation drive air-flow in left cavity and right cavity along internal chamber wall flow time，Reduce gas shock，When not changing the original flow velocity of air-flow，Air-flow is made to arrive the steady flow segment 502 of trousers 50，Air-flow can be divided into two parts at steady flow segment 502，A part of air-flow continues to flow along steady flow segment 502，And reduction of speed flows to the unhurried current section 503 of trousers 50 gradually，So that the air-flow of trousers 50 section of unhurried current 503 compares the air-flow of the Drainage Section 501 of trousers 50，Flow velocity is effectively reduced，It is significantly reduced so that left and right air-flow exports flow velocity when 101 places converge at spiral case 10，Thus substantially reducing pneumatic microseismic noise，Another part air-flow is then along the tangential direction of Drainage Section 501 to the direction diffluence deviating from trousers 50，Thus compared with spiral case 10 molded line not having trousers 50，Air-flow near spiral case 10 median plane is disperseed，Kinetic energy exports being more evenly distributed of 101 places at spiral case 10.
In an embodiment of the present utility model, as shown in Figures 2 and 3, it is symmetrical about spiral case median plane 105 that spiral case 10 has spiral case median plane 105, left motor 31 and right motor 32, and dividing plate 11 is positioned on spiral case median plane 105, and trousers 50 is symmetrical about spiral case median plane 105.
In above-described embodiment, left motor 31 and right motor 32 are symmetrical about spiral case median plane 105, so that be positioned at left cavity lobus sinister wheel and be positioned at right cavity lobus dexter take turns with spiral case median plane 105 for axis of symmetry, rotate in mutually opposite directions, and trousers 50 is symmetrical about spiral case median plane 105, to reduce the left side air-flow that blown out by left cavity and the phase contrast of right side gas flows blown out by right cavity and speed difference, thus reduce left side air-flow and right side gas flows spiral case 10 export 101 converge time the pneumatic microseismic noise that produces.
In an embodiment of the present utility model, as shown in Figure 1, Figure 2 and Figure 3, spiral case 10 is provided with and sets up the snail tongue 61,62 in trousers 50 both sides separately, and the inner surface of snail tongue 61,62 to the beeline L1 of spiral case median plane 105, the maximum horizontal extent L2 of trousers 50 and the inner surface of snail tongue 61,62 to the relation between the beeline L3 of the outer surface of trousers 50 is: L1=0.5L2+L3.
Preferably, as in figure 2 it is shown, on beeline place from spiral case median plane 105 and the outer surface of trousers 50, the line of maximum distance apart from spiral case median plane 105 is perpendicular to spiral case median plane 105 on the inner surface of snail tongue 61,62.
In above-described embodiment, make snail tongue 61, the inner surface of 62 is vertical with spiral case median plane 105 to the plane at the beeline place of the outer surface of trousers 50, so, when air motion to snail tongue 61, when the inner surface of 62 is to the beeline of the outer surface of trousers 50, air-flow is by snail tongue 61, 62 and trousers 50 control deflection snail tongue 61, 62 wall flow, and along with air-flow dams the expansion in face, air-flow starts reduction of speed unhurried current, until exporting 101 places along trousers 50 stream to spiral case 10, left side air-flow and right side gas flows export 101 places at spiral case 10 and converge, due to left side air-flow and right side gas flows notable reduction of speed before converging, therefore the pneumatic microseismic noise produced because left side air-flow and right side gas flows there is phase contrast and speed difference is significantly reduced.
In an embodiment of the present utility model, as in figure 2 it is shown, the inner surface of snail tongue 61,62 to beeline L3 and the impeller of the outer surface of trousers 50 to the relation between the beeline L4 of spiral case median plane 105 is: 1.2L4≤L3≤1.5L4.
In above-described embodiment, the inner surface of snail tongue 61,62 to the beeline L3 of the outer surface of trousers 50 more than the impeller beeline L4 to spiral case median plane 105, so make when the air-flow in left cavity and right cavity flows through impeller to after the beeline of spiral case median plane 105, air-flow face of damming expands gradually, thus slowly reduce air-flow stream to spiral case 10 export 101 place time flow velocity, reduce pneumatic microseismic noise；And controlling 1.2L4≤L3≤1.5L4, the situation of the exhaust effect cause that to avoid L3 value excessive the flow velocity that spiral case 10 exports 101 places is too low, affecting range hood occurs.
In first specific embodiment of the present utility model, as shown in Fig. 3 to Fig. 7, trousers 50 includes being separately mounted to the left trousers 51 on the plate face that dividing plate is 11 liang opposing and right trousers 52, wherein, the both ends of left trousers 51 all with dividing plate 11 phase clasp joint, the both ends of right trousers 52 all with dividing plate 11 phase clasp joint.
Specifically, as shown in Figure 7, plate face relative with dividing plate 11 on left trousers 51 is provided with the first clasp joint portion 511, and dividing plate 11 is provided with first installing hole 111 corresponding with the first clasp joint portion 511, and right trousers 52 is provided with dodges the first of the first clasp joint portion 511 and dodge hole 521；Plate face relative with dividing plate 11 on right trousers 52 is provided with the second clasp joint portion 522, dividing plate 11 is provided with second installing hole 112 corresponding with the second clasp joint portion 522, left trousers 51 is provided with dodges the second of the second clasp joint portion 522 and dodges hole 512, realize left trousers 51 in the way of by clasp joint and right trousers 52 is separately fixed on dividing plate 11, simple in construction, easy for installation.
In second specific embodiment of the present utility model, as shown in Figure 8 and Figure 9, trousers 50 includes being separately mounted to the left trousers 51 on the plate face that dividing plate is 11 liang opposing and right trousers 52, wherein, the both ends of left trousers 51 are all interlockingly connected with dividing plate 11, and the both ends of right trousers 52 are all interlockingly connected with dividing plate 11.
Specifically, as shown in Figure 8 and Figure 9, plate face relative with dividing plate 11 on left trousers 51 is provided with the first engaging portion 513 and/or 514, dividing plate 11 is provided with first installing hole 111 corresponding with the first engaging portion 513 and/or 514, and right trousers 52 is provided with dodges the first of the first engaging portion 513 and/or 514 and dodge hole 521；Plate face relative with dividing plate 11 on right trousers 52 is provided with the second engaging portion 523 and/or 524, dividing plate 11 is provided with second installing hole 112 corresponding with the second engaging portion 523 and/or 524, left trousers 51 is provided with dodges the second of the second engaging portion 523 and/or 524 and dodges hole 512, realize left trousers 51 in the way of by snapping and right trousers 52 is separately fixed on dividing plate 11, simple in construction, easy for installation.
First engaging portion 513 or the second engaging portion 523 in Fig. 8, including the connecting portion being connected with the plate face of left trousers 51 or right trousers 52 be the engaging portion that end extends to form to side by connecting portion, the front end of engaging portion has a guiding surface, so that by pressing left trousers 51 or right trousers 52 to the direction of dividing plate 11, can make in the first installing hole 111 that the first engaging portion 513 or the second engaging portion 523 snap onto on dividing plate 11 or the second installing hole 112, simple in construction, easy for installation.
First engaging portion 514 or the second engaging portion 524 in Fig. 9, including the connecting portion being connected with the plate face of left trousers 51 or right trousers 52 be the engaging portion that end extends to form to both sides by connecting portion, the front end of engaging portion has the guiding surface tilted respectively to both sides, so that by pressing left trousers 51 or right trousers 52 to the direction of dividing plate 11, can make in the first installing hole 111 that the first engaging portion 514 or the second engaging portion 524 snap onto on dividing plate 11 or the second installing hole 112, simple in construction, easy for installation.
In 3rd specific embodiment of the present utility model, as shown in Figure 10, trousers 50 includes being separately mounted to the left trousers 51 on the plate face that dividing plate is 11 liang opposing and right trousers 52, wherein, the one end of left trousers 51 is interlockingly connected with dividing plate 11 phase clasp joint, the other end and dividing plate 11, and the one end of right trousers 52 is interlockingly connected with dividing plate 11 phase clasp joint, the other end and dividing plate 11.
Specifically, as shown in Figure 10, the one end on plate face relative with dividing plate 11 on left trousers 51 is provided with the first clasp joint portion 511, the other end is provided with the first engaging portion 513 or 514, dividing plate 11 is provided with the first corresponding with the first clasp joint portion 511 and the first engaging portion 513 or 514 respectively installing hole 111, and right trousers 52 is provided with dodges the first of the first clasp joint portion 511 and the first engaging portion 513 or 514 respectively and dodge hole 521；The one end on plate face relative with dividing plate 11 on right trousers 52 is provided with the second clasp joint portion 522, the other end is provided with the second engaging portion 523 or 524, dividing plate 11 is provided with the second corresponding with the second clasp joint portion 522 and the second engaging portion 523 or 524 respectively installing hole 112, and left trousers 51 is provided with dodges the second of the second clasp joint portion 522 and the second engaging portion 523 or 524 respectively and dodge hole 512.
In 4th specific embodiment of the present utility model, as shown in figure 11, trousers 50 is monolithic construction, trousers 50 offers the installation seam 53 of its one end through, the width installing seam 112 is suitable with the thickness of dividing plate 11, the one end of trousers 50 inserts dividing plate 11 from the free end of dividing plate 11, and sequentially pass through, by screw, the screw hole offered on the screw hole 54 offered on trousers 50 and dividing plate 11 trousers 50 is fixed on dividing plate 11, realize trousers 50 and be securely fixed on dividing plate 11, simple in construction, easy for installation.
In 5th specific embodiment of the present utility model, as shown in Figure 12 to Figure 14, trousers 50 includes being separately mounted to the left trousers 51 on the plate face that dividing plate is 11 liang opposing and right trousers 52；Wherein, left trousers 51 one end relative with right trousers 52 respectively with dividing plate 11 phase clasp joint or be interlockingly connected, the other end phase clamping that left trousers 51 is relative with right trousers 52, and be formed between left trousers 51 and right trousers 52 and dodge gap 55 for what dodge dividing plate 11.
As shown in figure 12, the one end on plate face relative with dividing plate 11 on left trousers 51 is provided with the first clasp joint portion 511 or the first engaging portion 513 or 514, the other end is provided with to the first limiting section 515 extended near described dividing plate direction, and the sidewall of the first limiting section 515 is provided with groove 516 (or convex closure)；nullThe one end on plate face relative with dividing plate 11 on right trousers 52 is provided with the second clasp joint portion 522 or the second engaging portion 523 or 524，The other end is provided with and extends near dividing plate direction、And the second limiting section 525 being staggeredly arranged with the first limiting section 515，The sidewall of the second limiting section 525 is provided with the convex closure 526 (or groove) corresponding with the groove 516 (or convex closure) on the first limiting section 515，As shown in Figure 13 and Figure 14，So that the one end elder generation clasp joint of left trousers 51 and right trousers 52 or snap onto on dividing plate 11，Then by the groove 516 (or convex closure) on left trousers 51 the other end and convex closure 526 (or groove) the phase clamping on right trousers 52 the other end，Realize left trousers 51 and right trousers 52 is also secured on dividing plate 11，Simple in construction，Easy for installation.
In an embodiment of the present utility model, spiral case 10 includes spiral case coaming plate 12, spiral case header board and spiral case backboard, spiral case header board is connected with the both ends of the surface of spiral case coaming plate 12 respectively with spiral case backboard, and dividing plate 11 is connected on spiral case coaming plate 12, and one-body molded with spiral case coaming plate 12.
It should be noted that; the trousers that this utility model above-described embodiment provides; can also be applied in single volute of blower; make volute outlet flow velocity evenly; so that the static pressure distribution of volute outlet is more uniform and stable; be conducive to the discharge of flue gas, without departing from impracticable novel utility model design, all in protection domain of the present utility model.
The embodiment of another aspect of the present utility model provides a kind of range hood (not shown), including the fan assembly described in any of the above-described embodiment, and there are whole beneficial effects of fan assembly described in above-described embodiment, do not repeat them here.
nullIn sum，The fan assembly that this utility model above-described embodiment provides，By being provided with the dividing plate separating left cavity and right cavity on spiral case，And installation and dividing plate are connected smoothly on dividing plate、And the trousers that entirety is in fusiformis structure，So may proceed to when air-flow stream to trousers that the surface molded line along trousers is smooth and easy to move ahead，Owing to trousers entirety is fusiformis，Increase the distance of airflow passes and make air-flow have one section of climbing distance，So that the flow velocity near trousers place air-flow is substantially reduced，Namely left and right air-flow notable reduction of speed before converging is made，Converge at volute outlet place and the pneumatic microseismic noise that produces thus significantly reducing left and right air-flow，Thus under the premise not reducing spiral case entirety guide performance，Reduce left and right air-flow to converge at volute outlet place and the pneumatic microseismic noise that produces，Improve the quality of range hood.
In description of the present utility model, unless otherwise prescribed or illustrate, term " connections ", " being connected " etc. all should be interpreted broadly, for instance, " connections " can be fix connection, it is also possible to be removably connect, or connect integratedly, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary.For the ordinary skill in the art, it is possible to understand above-mentioned term concrete meaning in this utility model as the case may be.
In the description of this specification, specific features, structure, material or feature that the description of term " embodiment ", " some embodiments ", " specific embodiment " etc. means in conjunction with this embodiment or example describe are contained at least one embodiment of the present utility model or example.In this manual, the schematic representation of above-mentioned term is not necessarily referring to identical embodiment or example.And, the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiments or example.
The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, for a person skilled in the art, this utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment of making, equivalent replacement, improvement etc., should be included within protection domain of the present utility model.
Claims (10)
1. the fan assembly of a range hood, including there is the coaxially connected motor of the spiral case of left cavity and right cavity, the impeller being respectively received in described left cavity and described right cavity and described impeller and being arranged on the check-valves at volute outlet place of described spiral case, it is characterized in that
The end of described snail shell coiling molded line has the dividing plate extended to described volute outlet direction, and described left cavity and described right cavity set up separately in described dividing plate both sides, and be connected with described the volute outlet respectively left air-out passage of formation and right air-out passage；
Wherein, being provided with trousers on described dividing plate, along the end of described snail shell coiling molded line to described volute outlet direction, described dividing plate and described trousers are connected smoothly, and the horizontal width of described trousers is first gradually increased, after be gradually reduced so that described trousers entirety is fusiformis.
2. the fan assembly of range hood according to claim 1, it is characterised in that
It is symmetrical about described spiral case median plane that described spiral case has spiral case median plane, described left cavity and the described motor in described right cavity, and described dividing plate is positioned on described spiral case median plane, and described trousers is symmetrical about described spiral case median plane.
3. the fan assembly of range hood according to claim 2, it is characterised in that
Described spiral case is provided with the snail tongue set up separately in described trousers both sides, and the inner surface of described snail tongue to the beeline L1 of described spiral case median plane, the maximum horizontal extent L2 of described trousers and the inner surface of described snail tongue to the relation between the beeline L3 of the outer surface of described trousers is: L1=0.5L2+L3.
4. the fan assembly of range hood according to claim 3, it is characterised in that
On the inner surface of described snail tongue, on beeline place from described spiral case median plane and the outer surface of described trousers, the line of maximum distance apart from described spiral case median plane is perpendicular to described spiral case median plane.
5. the fan assembly of range hood according to claim 3, it is characterised in that
The inner surface of described snail tongue to beeline L3 and the described impeller of the outer surface of described trousers to the relation between the beeline L4 of described spiral case median plane is: 1.2L4≤L3≤1.5L4.
6. the fan assembly of range hood according to any one of claim 1 to 5, it is characterised in that
Described trousers includes being separately mounted to the left trousers on the plate face that described dividing plate two is opposing and right trousers；Wherein, the both ends of described left trousers all with described dividing plate phase clasp joint, the both ends of described right trousers all with described dividing plate phase clasp joint；Or, the both ends of described left trousers are all interlockingly connected with described dividing plate, and the both ends of described right trousers are all interlockingly connected with described dividing plate；Or, the one end of described left trousers is interlockingly connected with described dividing plate phase clasp joint, the other end and described dividing plate, and the one end of described right trousers is interlockingly connected with described dividing plate phase clasp joint, the other end and described dividing plate.
7. the fan assembly of range hood according to claim 6, it is characterised in that
Plate face relative with described dividing plate on described left trousers is provided with the first clasp joint portion and/or the first engaging portion, described dividing plate is provided with first installing hole corresponding with described first clasp joint portion and/or described first engaging portion, and described right trousers is provided with dodges the first of described first clasp joint portion and/or described first engaging portion and dodge hole；
Plate face relative with described dividing plate on described right trousers is provided with the second clasp joint portion and/or the second engaging portion, described dividing plate is provided with second installing hole corresponding with described second clasp joint portion and/or described second engaging portion, and described left trousers is provided with dodges the second of described second clasp joint portion and/or described second engaging portion and dodge hole.
8. the fan assembly of range hood according to any one of claim 1 to 5, it is characterised in that
Described trousers is monolithic construction, described trousers offers the installation seam of its one end through, the thickness of the described width installing seam and described dividing plate is suitable, the described one end of described trousers inserts described dividing plate from the free end of described dividing plate, and is fixed by screws on described dividing plate.
9. the fan assembly of range hood according to any one of claim 1 to 5, it is characterised in that
Described trousers includes being separately mounted to the left trousers on the plate face that described dividing plate two is opposing and right trousers；Wherein, the described left trousers one end relative with described right trousers respectively with described dividing plate phase clasp joint or be interlockingly connected, the other end phase clamping that described left trousers is relative with described right trousers, and be formed between described left trousers and described right trousers and dodge gap for what dodge described dividing plate.
10. a range hood, it is characterised in that include the fan assembly of range hood as claimed in any one of claims 1-9 wherein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620127693.5U CN205383667U (en) | 2016-02-18 | 2016-02-18 | Range hood and fan subassembly thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620127693.5U CN205383667U (en) | 2016-02-18 | 2016-02-18 | Range hood and fan subassembly thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205383667U true CN205383667U (en) | 2016-07-13 |
Family
ID=56349844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620127693.5U Withdrawn - After Issue CN205383667U (en) | 2016-02-18 | 2016-02-18 | Range hood and fan subassembly thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205383667U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105570158A (en) * | 2016-02-18 | 2016-05-11 | 广东美的厨房电器制造有限公司 | Range hood and fan assembly thereof |
| WO2020048203A1 (en) * | 2018-09-04 | 2020-03-12 | 宁波奥克斯电气股份有限公司 | Air channel assembly and air conditioner |
-
2016
- 2016-02-18 CN CN201620127693.5U patent/CN205383667U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105570158A (en) * | 2016-02-18 | 2016-05-11 | 广东美的厨房电器制造有限公司 | Range hood and fan assembly thereof |
| WO2020048203A1 (en) * | 2018-09-04 | 2020-03-12 | 宁波奥克斯电气股份有限公司 | Air channel assembly and air conditioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160713 Effective date of abandoning: 20181113 |