CN209639079U - A kind of soot motor mounting structure and kitchen ventilator - Google Patents

Abstract

The utility model relates to a kind of soot motor mounting structure and kitchen ventilators, including main tank, spiral case, impeller and motor, motor driven impeller rotation, the motor is external rotor electric machine, the motor and impeller are mounted on inside and outside main tank, the motor is mounted on the outer surface of main tank siding, and motor shaft one end is fixedly connected with outer rotor, and the other end passes through main tank siding and is fixedly connected with impeller.The utility model not only facilitates on-site assembly, improves packaging efficiency, and disassembly, cleaning are more convenient for users, and motor and oil smoke can also completely cut off, and is conducive to improve motor service life, guarantees motor service performance, while being also beneficial to reduce the noise of kitchen ventilator.

Description

A kind of soot motor mounting structure and kitchen ventilator

Technical field

The utility model belongs to kitchen household electrical appliance technical field, in particular to a kind of soot motor mounting structure and oil Smoke machine.

Background technique

Kitchen ventilator provides a kind of technological means for purification kitchen environment, and is used widely in family kitchen.By It is generally larger in Chinese user kitchen environment oil smoke, so kitchen ventilator use condition is more severe, and with modern life water Flat raising, requirement of the user to kitchen ventilator are also higher and higher.Firstly, kitchen ventilator performance needs to meet the basal needs of user, I.e. big wind pressure and Wind Volume；Secondly, the user experience to have had, low noise；Finally, to guarantee product in the environment of heavy oil dirt Quality.Under conditions of meeting these performances, seek it is a kind of more firm, while also can save the cost complete machine structure, be urgently Problem to be solved.

As depicted in figs. 1 and 2, current kitchen ventilator is mainly made of smoke collecting chamber 1, oil network 2 and air duct assembly, air duct assembly Include then the components such as spiral case 3, motor 4, impeller 5, main tank 6, one layer of housing 7 is installed again in the outside of main tank 6, air-flow passes through collection It is directly entered air duct after smoke chamber 1, oil network 2, is discharged from the exhaust outlet 10 at the top of air duct.Wherein, spiral case 3 is by front side board, back side panel And coaming plate is welded to form, impeller 5 is mounted in spiral case 3.Main tank 6 is made of the coaming plate of two sides, back plate and top plate, after spiral case 3 Side plate is fixed in the back plate of main tank 6 by spiral case bracket 8, and motor 4 is fixed on the back side panel of spiral case 3 by electric machine support 9, Motor 4 is accommodated in the inside of impeller 5, installs oil-guiding element in the lower section of spiral case 3.

Motor in existing kitchen ventilator uses inner rotor motor and two kinds of external rotor electric machine, and electric motor mounting structure is also all Motor is fixedly mounted on inside spiral case by electric machine support, impeller is fixed on motor, while spiral case passes through spiral case bracket again It is fixed on main tank.Existing motor height is all larger, and the incoming air area for occupying air duct is more, influences intake, and common For external rotor electric machine usually with impeller integral installation, disassembly is difficult, is unfavorable for repairing and clear up, Impeller Design not at that time, not only not Ease of assembly dismounts also the same difficult.Meanwhile motor is mounted in air duct, oil smoke will also result in biggish injury to motor, into And influence electrical machinery life.

Utility model content

The utility model mainly solving the technical problems that, a kind of guarantee motor service performance is provided, advantageously reduces and makes an uproar Sound, and it is conveniently detachable, the soot motor mounting structure of packaging efficiency is improved, while providing a kind of using motor installation knot The kitchen ventilator of structure.

To achieve the above object, the technical solution of the utility model is:

A kind of soot motor mounting structure, including main tank, spiral case, impeller and motor, motor driven impeller rotation are described Motor is external rotor electric machine, and the motor and impeller are mounted on inside and outside main tank, and the motor is mounted on main tank siding On outer surface, motor shaft one end is fixedly connected with outer rotor, and the other end passes through main tank siding and is fixedly connected with impeller.

Further, there is centre bore at the center of the stator of the motor, one end of motor shaft passes through centre bore and outer turn Son is fixedly connected, and axially disposed there are two bearing in the centre bore of the stator, motor shaft passes through the inner ring of two bearings Hole installation.

Further, the groove being recessed to spiral case direction is provided on the main tank siding, the motor is mounted on described In groove.

Further, rubber pad is installed between the motor and the siding of main tank.

Further, a protective cover is installed on the motor, the protective cover is fixed on the wall of main tank by fastener On plate.

Further, the main tank includes front and rear panels, and the spiral case includes coaming plate, and the two sides of the coaming plate are solid respectively Determine on the front plate and the back plate, the motor is mounted on the outside of the back plate.

Further, fixing screwed hole is provided on the end cap of the stator, motor is fixedly mounted by fixing screwed hole On the siding of main tank.

Further, there is connection screw thread in the end of described motor shaft one end, impeller mounting plate has mounting hole, connects spiral shell Line passes through the fixed installation realized impeller and motor shaft of nut after the mounting hole of impeller.

Further, it is provided on the motor shaft to laterally projecting positioning pin, is correspondingly arranged on impeller mounting plate There is a card slot, the positioning pin is corresponding when installation is caught in the positioning realized between impeller and motor shaft in card slot.

Another technical solution of the utility model is:

A kind of kitchen ventilator includes electric motor mounting structure as described above.

In conclusion a kind of soot motor mounting structure provided by the utility model and kitchen ventilator, with prior art phase Than having the advantages that

(1) the utility model uses external rotor electric machine, uses for reference the mounting means of inner rotor motor, not only facilitates live group Dress, can also easily assembly and disassembly impeller, improve packaging efficiency, disassembly, cleaning are more convenient for users.

(2) motor is moved on to installation on the outside of main tank by the utility model, i.e., motor is mounted on other than air duct, not only makes electricity Machine and oil smoke completely cut off, and are conducive to improve motor service life, guarantee motor service performance, while being also beneficial to reduce making an uproar for kitchen ventilator Sound.

(3) motor is moved on to installation on the outside of main tank by the utility model, is conducive to the air duct incoming air area for increasing spiral case front, Conducive to promotion intake volume, and then promote smoke discharging effect.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of kitchen ventilator in the prior art；

Fig. 2 is the Structure explosion diagram of spiral case and main tank in the prior art；

Fig. 3 is the utility model range hood structure schematic diagram；

Fig. 4 is the utility model kitchen ventilator back structures schematic diagram；

Fig. 5 is that the utility model kitchen ventilator removes the structural schematic diagram after housing；

Fig. 6 is the utility model air duct assembly structure schematic diagram；

Fig. 7 is the utility model main tank structural schematic diagram；

Fig. 8 be the utility model installation motor after main tank and spiral case structural schematic diagram；

Fig. 9 is the utility model deflector structure schematic diagram；

Figure 10 is the utility model electric machine structure schematic diagram；

Figure 11 is the utility model electric machine structure cross-sectional view.

As shown in Figure 1 to 11, smoke collecting chamber 1, oil network 2, spiral case 3, coaming plate 31, flange 32, motor 4, outer rotor 41, rotor Shell 411, rotor magnetic ring 412, stator 42, stator coil 421, magnetic pole of the stator 422, stator skeleton 423, end cap 424, bolt 425, bearing 426, bearing block 427, motor shaft 43, fixing screwed hole 44, positioning pin 45, connection screw thread 46, impeller 5, main tank 6, Foreboard 61, the first mainboard 611, the first side plate 612, the first flange 613, lateral flange 614, extension 615, back plate 62, second is main Plate 621, the second side plate 622, the second flange 623 install side 624, top plate 63, and housing 7 installs side 71, spiral case bracket 8, motor Bracket 9, exhaust outlet 10, outlet housing 11, check (non-return) valve 12, deflector 13, upper plate 131, lower side panel 132, bottom plate 133, flange 134, reinforcement groove 135, wind output channel 14, air outlet 15, air inlet ring 16, connecting plate 17, installation part 18, mounting plate 19, installation Card slot 20, depressed section 21, oil leakaging port 22, extension 23, protection cap 24, groove 25, electric-controlled box 26, engaging protrusion 27, inspection Build plate 28, sound absorption and damping material 29.

Specific embodiment

The utility model is described in further detail with specific embodiment with reference to the accompanying drawing:

Embodiment one:

As shown in Figure 3 and Figure 4, a kind of kitchen ventilator, including smoke collecting chamber 1, oil network 2 and air duct assembly are present embodiments provided, Air duct assembly integral installation is in the top of smoke collecting chamber 1, and in air duct, exhaust outlet 10 is arranged in the top of assembly.It is logical to cook the oil smoke generated It is directly entered air duct assembly after crossing smoke collecting chamber 1, oil network 2, is finally discharged from the exhaust outlet 10 at the top of the assembly of air duct.In exhaust outlet 10 Place is equipped with outlet housing 11, and check (non-return) valve 12 is equipped in outlet housing 11, prevents the flue gas in flue from flowing backward.

Air duct assembly includes spiral case 3, motor 4, impeller 5, main tank 6 and housing 7, and housing 7 is mounted on the outside of main tank 6, is risen To the effect of protection and decoration, impeller 5 is mounted on the inside of spiral case 3, and motor 4 drives impeller 5 to rotate, main tank 6 and 7 sum aggregate of housing The shell of smoke chamber 1 is fixedly connected.

As shown in Fig. 5, Fig. 6, Fig. 7 and Fig. 8, in the present embodiment, main tank 6 is made of foreboard 61, back plate 62 and top plate 63.Top Plate 63 is fixedly connected by screw with the top of foreboard 61 and back plate 62, and exhaust outlet 10 is opened up on top plate 63, and outlet housing 11 is solid Dingan County is on top plate 63.The "front", "rear" can be relative in kitchen ventilator mounting plane (such as metope) vertical direction Front and back, be also possible to relative to the front and back in mounting plane parallel direction.

Spiral case 3 is made of front side board, back side panel, the coaming plate 31 of centre and the flange 32 at top, in the present embodiment, by main tank 6 back plate 62 is integrated with back side panel, i.e., using the back plate 62 of main tank 6 as the back side panel of spiral case 3, meanwhile, by main tank 6 Foreboard 61 is integrated with front side board, i.e., using the foreboard 61 of main tank 6 as the front side board of spiral case 3, the coaming plate 31 of spiral case 3 is installed Between the back plate 62 and foreboard 61 of main tank 6, spiral case is collectively formed by the back plate 62 of main tank 6, foreboard 61 and coaming plate 31, in main tank Air inlet ring 16 is installed by screw on 6 foreboard 61.The top plate 63 of main tank 6 is fixedly connected by screw with flange 32 simultaneously, is pushed up Exhaust outlet 10 and the air outlet 15 of spiral case 3 on plate 63 are correspondingly arranged.

By welding or by detachable between coaming plate 31 in spiral case 3 and the back plate 62 and foreboard 61 of main tank 6 Mode be fixedly connected.In the present embodiment, it is preferable that be fixedly connected by welding between coaming plate 31 and back plate 62, coaming plate It is fixedly connected between 31 and foreboard 61 by dismountable mode, both can be convenient disassembly repair and maintenance in this way, it is also ensured that The overall structural strength of spiral case 3.Meanwhile in order to facilitate the dismounting between coaming plate 31 and foreboard 61, in the present embodiment, in coaming plate 31 Side on interval be arranged several engaging protrusions 27, engaging protrusion 27 be outwardly projecting strip structure, with coaming plate 31 Between be wholely set or be welded to connect, several bayonet (not shown)s are correspondingly arranged on foreboard 61.It will engaging when assembling The corresponding bayonet on foreboard 61 of protrusion 27, then breaks engaging protrusion 27 to side curved, and then coaming plate 31 is secured to master On the foreboard 61 of case 6.Oil leak inside spiral case in order to prevent, the junction between coaming plate 31 and foreboard 61, which applies, plays sealant sealing Connection.Certainly, above-mentioned mounting structure can also be used between coaming plate 31 and back plate 62, after spiral case coaming plate 31 and main tank 6 Gluing seals between plate 62.Also the structure that flange can be set between coaming plate 31 and back plate 62 and foreboard 61 connects by the way that screw is fixed It connects.

The U-shaped profile of the foreboard 61 of main tank 6, forwards by the first intermediate mainboard 611,611 two sides of the first mainboard The first flange 613 composition of the first side plate 612 and top that extend, the first flange 613 are fixedly connected with top plate 63 by screw. First mainboard 611, the first side plate 612 and first flange 613 at top are formed by metal plate one bending.In the first side plate 612 Front end be fixedly connected with one piece of access panel 28, removed in repair and maintenance.It is surrounded by foreboard 61, top plate 63 and access panel 28 The wind output channel 14 of kitchen ventilator.The front end of first side plate 612 has the lateral flange 614 to center bending, the cross of lateral flange 614 Section is L-shaped, and access panel 28 is fixedly connected in lateral flange 614 by screw, by access panel 28 when maintenance convenient to overhaul It removes.The all or part of front opening for covering foreboard 61 of access panel 28, housing 7 are close to access panel 28 and are installed, access cover Plate 28 is conducive to improve the structural strength of main tank 6, while the also daily dimension easy to disassemble conducive to components such as internal impeller 5, spiral cases 3 Shield and maintenance.Can certainly be not provided with access panel 28, but directly by the front end of the foreboard 61 of main tank 6 by screw with Housing 7 is fixed, surrounds wind output channel 14 using housing 7, foreboard 61 and top plate 63.

The lower section of access panel 28 is provided with connecting plate 17, and connecting plate 17 can be used for blocking the sky of 28 lower section of access panel Gap, while the connection between 1 shell of foreboard 61 and smoke collecting chamber is also provided, the both ends of connecting plate 17 and two rollovers of foreboard 61 It is fixedly connected between side 614 by screw, the bottom edge of connecting plate 17 is fixedly connected with the shell of smoke collecting chamber 1 by screw simultaneously. One dismountable installation part 18 in a ring can also be set around the smoke inlet of wind output channel 14, between installation part 18 and shell It is fixedly connected by screw, while being fixedly connected between connecting plate 17 and installation part 18 by screw, it is easy to disassemble.

The bottom of two the first side plates 612 has relative to the first intermediate mainboard 611 extends downwardly stretching for certain length Portion 615 out form the connecting interface with deflector 13, are fixedly connected with deflector 13.

62 cross section of back plate of main tank 6 is similarly U-shaped, backward by the second intermediate mainboard 621,621 two sides of the second mainboard The second side plate 622 of Fang Yanshen and the second flange 623 composition at top, the second flange 623 connect with top plate 63 by the way that screw is fixed It connects.

As shown in figure 4, the cross section of housing 7 is U-shaped, front end face closure, rear end face opening, in the both sides of the edge of opening With to the installation side 71 of center bending.It is fixedly connected between installation side 71 and the second side plate 622 by screw, and then by housing It is fixedly connected between 7 and main tank 6.

The bottom of back plate 62 extends downwardly out horizontally extending installation side 624, and deflector 13 and installation side 624 are logical Screw is crossed to be fixedly connected.Installation side 624 is in the structure to bend inwards, to avoid the oil guide groove of lower section being arranged on smoke collecting chamber 1 Etc. structures be fixedly connected with deflector 13.Second mainboard 621, the second side plate 622, second flange 623 at top and installation side 624 It is formed by metal plate one bending.

Being fixedly connected between main tank 6 and housing 7 is determined in order to firm, and the open side of housing 7 is provided with a lateral peace Loading board 19, can weld between 19 both ends of mounting plate and housing 7 can screw connection, mounting plate 19 passes through screw or rivet and main tank again 6 back plate 62 is fixedly connected by transition piece.Also there is installation card slot 20, the bottom of housing 7 on the shell of smoke collecting chamber 1 Fixed in portion's insertion installation card slot 20, installation card slot 20 plays the role of limit to housing 7.

As shown in Fig. 3, Fig. 5 and Fig. 8, deflector 13 is tiltedly mounted between spiral case 3 and smoke collecting chamber 1, in the present embodiment, is led Flowing plate 13 is made of the bottom plate 133 of upper plate 131, the lower side panel 132 of two sides and rear end.Upper plate 131 tilts down from the front to the back Setting, lower side panel 132 and bottom plate 133 are extended vertically down relative to upper plate 131, lower side panel 132 and the foreboard 61 of two sides The extension 615 that two the first side plates 612 extend downwardly is fixedly connected by screw, lower side panel 132 while the shell with smoke collecting chamber 1 Body or above-mentioned installation part 18 are fixedly connected, and bottom plate 133 is solid by screw by the installation side 624 of screw and 62 bottom of back plate The front end of fixed connection, the upper plate 131 of deflector 13 has upward flange 134, the first mainboard of flange 134 and foreboard 61 611 bottom is fixedly connected by screw.The air inlet that fume inlet passage guidance air-flow enters 3 front end of spiral case is formed below deflector 13 Side, fume inlet passage are surrounded by the bottom plate 133 of upper plate 131, the lower side panel 132 of two sides and rear end.

In the present embodiment, the center of the upper plate 131 of deflector 13 has to the depressed section being recessed away from 3 direction of spiral case 21, depressed section 21 is extended along air motion direction, and the lower surface of depressed section 21 is downwardly projected, the protrusion normotopia In fume inlet passage.

In the present embodiment, it is preferable that downward projection of part (i.e. depressed section 21) is using the whole arc knot to lower recess Structure, while the depth of the depressed section 21 is gradually decreased by front end to tail portion, and width is by front end to tail portion gradually constriction. It can not only guide the air-flow in fume inlet passage to stably enter in the wind output channel 14 of top, guarantee to the greatest extent may be used to kitchen ventilator offer Can big intake, while air-flow is when flowing through fume inlet passage, by depressed section 21 effect by airflow diversion, make wind output channel Air flow method in 14 is more uniform steady, reduces caused aerodynamic noise when air motion.In addition, oil smoke flows to the area Behind domain, since downward projection of part reduces Entry Interface, the speed of oil smoke flowing is increased to a certain extent, is improved The smoke exhaust efficiency of kitchen ventilator.

The depressed section 21 is directed at the oil dripping mouth setting on spiral case 3, and the tail portion of depressed section 21 is provided with oil leakaging port 22, Oil leakaging port 22 is directed at the lubricating cup of smoke collecting chamber 1, effectively oil droplet can be guided to enter in the lubricating cup of rear end, prevent oil droplet sinuous flow, guarantees Oil Guide effect.

In order to guarantee that oil droplet can all drop in depressed section 21, the front end of the depressed section 21, which has, to be extended forward The extension 23 of 3 air inlet ring 16 of spiral case is protruded from, which, which can ensure that, catches whole oil droplets, effectively prevent oil droplet Sinuous flow.Although the depth of the depressed section 21 is gradually decreased by front end to tail portion, since upper plate 131 is to be arranged diagonally downward , the inside of depressed section 21 can still guarantee that its is tilted upwards, and then guarantee oil droplet smoothly in by frontal flow rearwardly The front end of oil leakaging port 22, depressed section 21 is deeper, it is possible to prevente effectively from oil droplet sputters depressed section 21 when dripping.Meanwhile The width of depressed section 21 is by front end to tail portion gradually constriction, not only it is possible to prevente effectively from oil droplet sputters deflector 13, together When be also beneficial to guide oil droplet to tail end, accelerate the flowing velocity of oil droplet.

The multifunctional units such as water conservancy diversion, shunting and Oil Guide in one, are enormously simplified kitchen ventilator air duct system by the deflector 13 The structure of system reduces material and production cost.For the Oil Guide, water conservancy diversion and shunting effect being optimal, in the present embodiment, lead The tilt angle of upper plate 131 in flowing plate 13 is preferably between 0-60 °, and the arc radius of 13 intermediate recessed portions 21 of deflector is excellent It is selected as 200-400mm, depth is preferably 5-50mm, and width is preferably 60-140mm.

The reinforcement groove of multiple vertical extensions is also provided on 13 bottom plate 133 of deflector and/or lower side panel 132 135, to improve the connection structure intensity between deflector 13 and main tank 6 and smoke collecting chamber 1, keep the structure of deflector 13 more steady Gu.

In the present embodiment, the foreboard 61 of main tank 6, back plate 62, spiral case 3 coaming plate 31 between gap in filled with inhale Sound and damping material 29, such as foam, silencing cotton, and will directly be absorbed sound using housing 7 and be wrapped up and consolidated with damping material 29 It is fixed, noise and vibration, the vibration of reduction main tank 6 and noise that air-flow generates spiral case not only can be effectively reduced, while also dropping The low production cost of kitchen ventilator saves material, simplifies the structure of kitchen ventilator, alleviates weight, and the structure is also easy to Processing.Can also in addition be pasted again on the inner wall of housing 7 and the inner wall of access panel 28 one layer sound absorption and damping material, with into One step achievees the purpose that reduce noise, raising user experience.

As shown in Fig. 3, Fig. 4, Fig. 7, in the present embodiment, motor 4 uses external rotor electric machine, is fixedly mounted on 6 back plate of main tank On 62 outer surface.

As shown in Figure 10 and Figure 11, motor 4 includes stator 42, the outer rotor 41 and motor shaft for being sleeved on 42 outside of stator 43.Wherein, stator 42 including stator coil 421, magnetic pole of the stator 422 and is fixedly mounted with the stator skeleton 423 being integrated, stator The front end of skeleton 423 has end cap 424, and fixing screwed hole 44, end cap 424 and stator skeleton 423 are provided on end cap 424 Between be fixedly connected by fasteners such as multiple bolts 425.Outer rotor 41 includes the rotor of rotor case 411 and plastic packaging together Magnet ring 412, is provided with the ventilation opening of multiple circumferentially spaced settings on the end face of rotor case 411, and ventilation opening can be with Play the role of loss of weight, while also acting as heat dissipation, the integrated injection molding reinforcing rib in each ventilation opening improves rotor The overall structural strength of shell 411.

Centre bore (not indicating in figure) is all had at the center of stator skeleton 423 and end cap 424, at 411 end of rotor case Shaft mounting hole (not indicating in figure) is arranged in the center in face, and motor shaft 43 passes through the centre bore of stator skeleton 423 and end cap 424, electricity It is connect in the end insertion shaft mounting hole of arbor 43 with rotor case 411, rotates motor shaft 43 with outer rotor 41.Motor shaft 43 It is connect, easy disassembly, can also be directly fixedly connected by fasteners such as screws by spline between rotor case 411, benefit In guarantee 43 smooth running of motor shaft.

In order to guarantee that motor shaft 43 in the center smooth running of stator 42, reduces running noise, in the centre bore of stator 42 Interior axially disposed there are two bearing 426, motor shaft 43 passes through the inner ring hole installation of two bearings 426.In end cap 424 and stator Integrated injection molding has bearing block 427 respectively on skeleton 423, and two bearing blocks 427 are oppositely arranged, and two bearings 426 lead to respectively The mode of interference fit installation is mounted in two bearing blocks 427.

The positioning pin for relative position between restriction and impeller is provided on the part that motor shaft 43 stretches out stator 42 45, the end of 43 other end of motor shaft is provided with connection screw thread 46 and is fixedly connected with impeller.Positioning pin 45 is line-styled, In The center of impeller mounting plate has motor shaft mounting hole, is provided with line-styled card slot at electric axis machine mounting hole and (does not show in figure Out), positioning pin 45 is corresponding when installation is caught in the positioning realized between impeller and motor shaft 43 in card slot, the other end of motor shaft 43 Another nut is tightened after the motor shaft mounting hole at impeller mounting plate center, and then realizes the fixation between impeller and motor shaft 43 Connection, and rotate impeller 5 with motor shaft 43.

In assembling, first impeller 5 and the installation of motor shaft 43 can be structure as a whole, one will be assembled into impeller 5 again later Motor shaft 43 after body is inserted into the centre bore of motor 4 and is connected to a fixed with the outer rotor 41 of motor 4, at this time motor shaft 43 and It is connected between the mounting hole of outer rotor 41 by spline.The structure of this motor 4 not only facilitates on-site assembly, can also be easily Assembly and disassembly impeller 5 improves packaging efficiency, and disassembly, cleaning are more convenient for users.Certainly, the end of motor shaft 43 with It can also be directly secured together between the mounting hole of outer rotor 41, when assembling, one will be assembled in stator 42 and outer rotor 41 The motor shaft 43 risen is fixedly connected after the centre bore of main tank back plate 62 with impeller 5.

The structure of the motor 4 is conducive to the thickness for substantially reducing motor 4 under the premise of guaranteeing air quantity, and motor 4 occupies wind The inner space in road will reduce, so that incoming air area increases.Meanwhile the dismounting of motor 4 is very convenient, is convenient for daily dimension Shield maintenance.The structure of the motor 4 had both solved inner rotor motor and has occupied the big defect in ducting system space, while also solving outer turn Sub-motor is unfavorable for the shortcomings that dismantling and be not suitable for single layer impeller.

Since motor 4 is mounted on the outside of main tank 6, in order to protect motor 4, a guarantor is also equipped in the outside of motor 4 Protecting cover 24, protective cover 24 are fixed by screws in back plate 62.

In order to be further reduced the occupied space of motor 4 while keep the fixation of motor 4 more firm, it is arranged in back plate 62 The groove 25 of oriented 5 direction of impeller recess, motor 4 is mounted in the groove 25 in 6 outside of main tank, and stator 42 and groove 25 paste It closes, has between motor stator 42 and main tank back plate 62 rubber pad (diagram is not shown), rubber pad plays the role of vibration damping sealing, together When can be also used for isolation oil smoke, reduce infringement of the oil smoke to motor 4, and then guarantee the service life of motor 4.

Motor 4 is placed on the outside of main tank 6 and is fixed in back plate 62, it is possible to reduce spiral case bracket in the prior art The structures such as 8 and electric machine support 9, keep the manufacturing process of air duct assembly simple, save cost, and this mounting means can subtract Few air duct area occupied, increases the incoming air area inside main tank 6, and then can promote intake, reduces noise, promotes kitchen ventilator Performance and user experience.Motor 4 is placed on the outside of main tank 5 simultaneously, it is possible to reduce infringement of the oil smoke to motor 4 guarantees motor 4 Service life.

As shown in Figure 3 and Figure 4, in the present embodiment, the electric-controlled box 26 of kitchen ventilator is mounted on 62 outside motor 4 of main tank back plate In the U-shaped space of lower section surrounded by back plate 62, multiple outwardly directed installation wings are set (in figure not in the circumferential direction of electric-controlled box 26 Show), the installation wing is fixed by screws in main tank back plate 62.Electric-controlled box 26 can be installed close to the second side plate 622 of side, Electric-controlled box 26 is fixedly connected with the second mainboard 621 and the second side plate 622 simultaneously.The harness of the components such as control panel and motor is from main tank 6 downside is connected on electric-controlled box 26.Space is not only rationally utilized in such mounting means, reduces 6 height of main tank, reduces The height dimension of kitchen ventilator, while the length of harness is decreased, save the material and manufacturing cost of kitchen ventilator.In addition, will Electric-controlled box 26, which is mounted in main tank back plate 62, to be also possible to prevent children or user's touching electric-controlled box 26 and gets an electric shock, and oil smoke is improved The usage safety performance of machine.

In the present embodiment, the back plate 62 that main tank 6 is close at the rear portion of spiral case 3 is installed, and motor 4 uses the outer rotor of thinner thickness Motor and the outside for being mounted on main tank 6 will be into cigarettes using deflector 13 using the space of 3 front of spiral case as wind output channel 14 Guidance is discharged into the wind output channel 14 of 3 front of spiral case, then through impeller 5 from the exhaust outlet 10 at top.The topology layout is significantly The incoming air area of air duct assembly is increased, and then greatly improves intake volume, improves smoke discharging effect.

In the present embodiment, the back side panel of air-duct spiral case 3 and the back plate 62 of main tank 6 are made of one, while will be before spiral case 3 The foreboard 61 of side plate and main tank 6 is made of one, and eliminates the upper back side panel of spiral case in the prior art, by 61 He of foreboard of main tank 6 Back plate 62 replaces, and is not necessarily to electric machine support and spiral case bracket, not only reduces components, reduce costs, alleviate entire air duct The weight of assembly structure, and make overall structure more firm, the structural strength of main tank 6 is increased, while spiral case 3 is not used as It is installed for individual module, but the component with main tank 6 is co-mounted on kitchen ventilator, is quickly and expediently installed.

As described above, the plan content in conjunction with given by attached drawing, can derive similar technical solution.But it is all not take off Content from technical solutions of the utility model is made by the above technical examples according to the technical essence of the present invention any simple Modification, equivalent variations and modification, are still within the scope of the technical solutions of the present invention.

Claims (10)

1. a kind of soot motor mounting structure, including main tank, spiral case, impeller and motor, motor driven impeller rotation, feature Be: the motor is external rotor electric machine, and the motor and impeller are mounted on inside and outside main tank, and the motor is mounted on master On the outer surface of wall panel, motor shaft one end is fixedly connected with outer rotor, and the other end passes through main tank siding and the fixed company of impeller It connects.

2. soot motor mounting structure according to claim 1, it is characterised in that: at the center of the stator of the motor With centre bore, one end of motor shaft passes through centre bore and is fixedly connected with outer rotor, along axial direction in the centre bore of the stator There are two bearing, motor shaft passes through the inner ring hole installation of two bearings for setting.

3. soot motor mounting structure according to claim 1, it is characterised in that: be provided on the main tank siding The groove being recessed to spiral case direction, the motor installation is in the groove.

4. soot motor mounting structure according to claim 1, it is characterised in that: the siding of the motor and main tank it Between rubber pad is installed.

5. soot motor mounting structure according to claim 1, it is characterised in that: be equipped with a guarantor on the motor Shield, the protective cover are fixed on the siding of main tank by fastener.

6. soot motor mounting structure according to claim 1, it is characterised in that: the main tank includes foreboard with after Plate, the spiral case include coaming plate, and the two sides of the coaming plate are separately fixed in front and rear panels, and the motor is mounted on described The outside of back plate.

7. soot motor mounting structure according to claim 1, it is characterised in that: in the end cap of the stator of the motor On be provided with fixing screwed hole, motor is fixedly mounted on the siding of main tank by fixing screwed hole.

8. soot motor mounting structure according to claim 1, it is characterised in that: in the end of described motor shaft one end With connection screw thread, impeller mounting plate has mounting hole, and connection screw thread is realized after the mounting hole of impeller by the way that nut is fixed Installation between impeller and motor shaft.

9. soot motor mounting structure according to claim 7, it is characterised in that: be provided on the motor shaft to Laterally projecting positioning pin, is correspondingly arranged on card slot on impeller mounting plate, and when installation, the positioning pin correspondence was caught in card slot Realize the positioning between impeller and motor shaft.

10. a kind of kitchen ventilator, it is characterised in that: including just like the described in any item electric motor mounting structures of claim 1-9.