CN207961007U - Motor unit - Google Patents

Abstract

The utility model provides motor unit.Motor unit has：Motor has the axis configured along central axis extended in the vertical direction；Casing keeps motor；Aerofoil fan is installed on axis；And stator blade, it is opposed in the up-down direction with aerofoil fan.Casing has：Annulus is located at the position that radial outside is leaned on than motor；And supporting part, it is upwardly projecting from annulus, it surrounds motor and supports motor.Stator blade is upwardly extended from annulus in the side comprising radial ingredient.

Description

Motor unit

Technical field

The utility model is related to motor units.

Background technology

Air interchanger in being disclosed in Japanese Kokai 2000-146219 bulletins in air conditioner.It should Air interchanger has outer container, fan, flange part, motor and motor fixture.Outer container has air inlet/exhaust outlet, shape At wind path.Fan is accommodated in outer container, has blank part in central portion.Flange part is set to outer container, is formed as along blank part Around.The motor of driving fan is configured by means of flange part in blank part, and a bearing portion is consolidated via vibration-proof rubber Due to flange part.Motor fixture makes another bearing portion of motor be fixed on outer container via vibration-proof rubber.

Utility model content

In air interchanger disclosed in Japanese Kokai 2000-146219 bulletins, air inlet/exhaust outlet of outer container It is connect with air inlet/discharge duct.Also, the air interchanger disclosed in Japanese Kokai 2000-146219 bulletins is had Some fans are vortex flow fan or Sirocco fan.It is needing than Japanese Kokai 2000-146219 bulletins institute public affairs In the case of the big air quantity of the air interchanger opened, it is possible to the type of fan be needed the improvement of devices such as to change.

The purpose of the utility model is to provide the motor units that can obtain Wind Volume.

The motor unit of the illustration of the utility model has：Motor has along center extended in the vertical direction The axis of axis configuration；Casing keeps the motor；Aerofoil fan is installed on the axis；And stator blade, with The aerofoil fan is opposed in the up-down direction.The casing has：Annulus is located at than the motor by radial outside Position；And supporting part, it is upwardly projecting from the annulus, it surrounds the motor and supports the motor.It is described quiet Blade is upwardly extended from the annulus in the side comprising radial ingredient.

In the motor unit of one embodiment of the illustration of the utility model, it is preferred that the annulus with it is described Stator blade is single part.

In the motor unit of an embodiment of the illustration of the utility model, it is preferred that the supporting part has： Cylindrical portion is located at the radial outside of the motor；And top part, it is located at the upper end side of the cylindrical portion, the tubular Portion has in the opening portion of the radial outside opening of the peripheral surface of the motor.

In the motor unit of an embodiment of the illustration of the utility model, it is preferred that be provided with multiple described Opening portion, interval configures in the circumferential for multiple opening portions.

In the motor unit of an embodiment of the illustration of the utility model, it is preferred that the cylindrical portion is by more A wall portion is constituted, and multiple wall portion is detached in the circumferential by multiple opening portions, and the quantity of the wall portion is bigger than 2 Prime number.

In the motor unit of an embodiment of the illustration of the utility model, it is preferred that the motor is on top With the first protrusion extended to upside, the top part has perforative first hole portion in the up-down direction, and described first is convex Portion is installed on across the first elastic portion in first hole portion.

In the motor unit of an embodiment of the illustration of the utility model, it is preferred that in first elasticity Around portion or a part is provided with the first relief portion, and first relief portion includes to make a part for first elastic portion The first exposed division exposed.

In the motor unit of an embodiment of the illustration of the utility model, it is preferred that first relief portion It is the space of the upper surface towards first elastic portion.

In the motor unit of an embodiment of the illustration of the utility model, it is preferred that the motor also has： Conducting wire；And casing, it is passed through for the conducting wire, the periphery that described sleeve pipe is configured in the motor is opposed with the opening portion Position at.

In the motor unit of an embodiment of the illustration of the utility model, it is preferred that the motor also has： Conducting wire；And casing, it being passed through for the conducting wire, the annulus has the notch section being radially recessed on inner peripheral surface, From the plan view of end on observation, described sleeve pipe is configured in the position opposed with the notch section.

In the motor unit of an embodiment of the illustration of the utility model, it is preferred that the motor also has： Conducting wire；And casing, passed through for the conducting wire, in the plan view from end on observation, from described sleeve pipe draw described in lead Line is configured in the position overlapped with the stator blade.

In the motor unit of an embodiment of the illustration of the utility model, it is preferred that the stator blade has The groove portion being recessed along the vertical direction, the conducting wire are disposed in the groove portion.

In the motor unit of an embodiment of the illustration of the utility model, it is preferred that the motor also has： Conducting wire；And casing, it is passed through for the conducting wire, the aerofoil fan has：The fan hub of bottomed tube；And blade, Upwardly extended from the fan hub in the side comprising radial ingredient, described sleeve pipe be arranged at than the fan hub lower end on the lower The position of side.

In the motor unit of an embodiment of the illustration of the utility model, it is preferred that the aerofoil fan tool There are blade, the quantity of the stator blade and the quantity of the blade relatively prime.

In the motor unit of an embodiment of the illustration of the utility model, it is preferred that the motor unit also has There is bracket, which configures in the downside of the motor, is supported in the casing.

In the motor unit of an embodiment of the illustration of the utility model, it is preferred that the motor is in lower part With the second protrusion extended to downside, the bracket has perforative second hole portion in the up-down direction or is recessed downwards Recess portion, second protrusion is installed on across the second elastic portion in second hole portion or recess portion.

In the motor unit of an embodiment of the illustration of the utility model, it is preferred that in second elasticity Around portion or a part is provided with the second relief portion, and second relief portion includes to make a part for second elastic portion The second exposed division exposed.

In the motor unit of an embodiment of the illustration of the utility model, it is preferred that second relief portion It is the space of the lower surface towards second elastic portion.

In the motor unit of an embodiment of the illustration of the utility model, it is preferred that the motor have from Peripheral surface flange part outstanding, the flange part are fixed on the casing.

In the motor unit of an embodiment of the illustration of the utility model, it is preferred that the flange part with Third elastic portion is configured between the casing.

According to the utility model of illustration, it is capable of providing the motor unit that can obtain Wind Volume.

The detailed description of the preferred embodiments of the present invention can be more clearly understood that the utility model with reference to attached drawing Above-mentioned and other feature, element, step, features and advantages.

Description of the drawings

Fig. 1 is the front view of the motor unit of the embodiment of the utility model.

Fig. 2 is the rearview of the motor unit of the embodiment of the utility model.

Fig. 3 is the side view of the motor unit of the embodiment of the utility model.

Fig. 4 is the sectional view at the positions A-A of Fig. 1.

Fig. 5 is the stereogram for the structure for showing casing and its periphery.

Fig. 6 is the stereogram for the structure for showing bracket.

Fig. 7 is the sectional view of the installation constitution for illustrating motor.

Fig. 8 is for illustrating motor and including the vertical view of the relationship between casing and the shell of stator blade.

Fig. 9 is the schematic diagram for illustrating the relationship between conducting wire and stator blade.

Figure 10 is the stereogram for the structure for showing aerofoil fan.

Figure 11 is the schematic diagram for showing the relationship between fan hub and casing.

Figure 12 is the schematic diagram of the variation of the motor unit of the embodiment for illustrating the utility model.

Specific implementation mode

Hereinafter, the embodiment illustrated of the utility model is described in detail with reference to attached drawing.In the present specification, will The extending direction of the central axis C of motor shown in Fig. 4 is referred to as " axial direction ", by the diameter centered on the central axis C of motor It is referred to as " radial direction " and " circumferential direction " to circumferential.In the present specification, in the case of motor being configured on direction shown in Fig. 4 Axial direction be defined as upper and lower directions.In addition, upper and lower directions is only used for illustrating and the title that uses, actual position is not limited Relationship or direction.

First, the overview of the motor unit of the utility model of illustration is illustrated.Fig. 1 is the implementation of the utility model The front view of the motor unit 1 of mode.Fig. 2 is the rearview of the motor unit 1 of the embodiment of the utility model.Fig. 3 is this The side view of the motor unit 1 of the embodiment of utility model.Fig. 4 is the sectional view at the positions A-A of Fig. 1.

As shown in Figures 1 to 4, motor unit 1 has shell 10.In detail, shell 10 is rectangular-shape.Shell 10 has There is the through hole 101 extended in the axial direction.In detail, through hole 101 is round in the plan view from end on observation.It passes through Perforation 101 occupies a wide range of of the central portion comprising shell 10.It is preferred that shell 10, in the plan view from end on observation, quadrangle is R shapes (rounded shapes).Shell 10 is by formation such as such as resins.

Motor unit 1 has motor 11.In detail, motor 11 is configured in through hole 101.The central shaft of motor 11 Line C is consistent with the center of through hole 101.Motor 11 has the axis configured along central axis C extended in the vertical direction 110.In the present embodiment, motor 11 is the motor of inner-rotor type.Axis 110 is fixed on rotor (not shown), with central axis C It pivots about.The terminal part of axis 110 is projected into outside from the one end of through hole 101.Motor 11 is not limited to internal rotor The motor of type can also be the motor of outer-rotor type.Axis 110 can also be fixed and non-rotary structure.In this case, after As long as the aerofoil fan stated is installed as to rotate relative to axis 110.

Motor unit 1 has aerofoil fan 12.Aerofoil fan 12 is installed on axis 110.In the present embodiment, aerofoil fan 12 are rotated by the rotation of axis 110.So that aerofoil fan 12 is rotated by drive motor 11, wind can be generated in the axial direction Flowing.Aerofoil fan 12 is by formation such as such as resins.

In the present embodiment, aerofoil fan 12 is installed by means of being configured at the mounting portion 13 of the radial outside of axis 110 In axis 110.In detail, mounting portion 13 is installed on the terminal part of the upside of axis 110.A part for aerofoil fan 12 is from through hole 101 one end is projected into outside.In the present embodiment, mounting portion 13 has：First installing component 130 made of metal, Second installing component 132 made of rubber components 131 and metal.

Cricoid first installing component 130 is directly fixed on axis 110.The configuration of cricoid rubber components 131 is in the first peace The radial outside of component 130 is filled, and is installed on the first installing component 130.The cricoid configuration of second installing component 132 is in rubber section The radial outside of part 131, and it is installed on rubber components 131.That is, the first installing component 130 and the second installing component 132 are through rubber Component 131 and connect.Rubber components 131 absorbs the vibration transmitted from motor 11, prevents the resonance of motor 11 and aerofoil fan 12. Aerofoil fan 12 is screwed to the second installing component 132.

In addition, aerofoil fan 12 can also be installed on the second installing component 132 by insert-molding.Also, it can also Using following structure：Protrusion is arranged in a side in aerofoil fan 12 and the second installing component 132, is arranged in another party recessed Portion is connected aerofoil fan 12 and the second installing component 132 by the combination of protrusion and recess portion.Mounting portion 13 can be by multiple Component is constituted, but can also be made of 1 component.Also, according to circumstances, aerofoil fan 12 can not also be by means of mounting portion 13 And it is directly mounted at axis 110.

Motor unit 1 has cover portion 14.Cover portion 14 covers the another side of the through hole 101 of shell 10.That is, cover portion 14 exists Configuration is in the opposite end side of aerofoil fan 12 when from motor 11.Cover portion 14 has venthole 140.Cover portion 14 is by such as resin It is formed.

In the present embodiment, cover portion 14 is round.Cover portion 14 can also be the shape other than round.In detail It says, cover portion 14 has：Constitute the annular portion 141 of periphery；And in annular portion 141 clathrate configuration multiple ribs 142.It is logical It crosses and annular portion 141 is screwed to shell 10, cover portion 14 is fixed in shell 10.Alternatively, it is also possible in cover portion 14 and shell Configuration space part between 10, it is intended that for example generating a certain distance between cover portion 14 and aftermentioned stator blade.

Venthole 140 is formed between multiple ribs 142, and the quantity of venthole 140 is multiple.Multiple ribs 142 can also be by According to the pattern configuration other than clathrate.For example, multiple ribs can be configured to it is cellular.By the configuration diagram for becoming more ribs 142 Case can change the shape of venthole 140.The finger of people can be prevented to be strayed into through hole 101 by multiple ribs 142.It is logical Crossing multiple ribs 142 can prevent foreign matter to be externally entering in through hole 101.

In addition, cover portion 14 can be fixed on shell 10 by the method other than screw threads for fastening.For example, can be in cover portion 14 Protrusion is set with the side in shell 10, recess portion is set in another party, is fixed cover portion 14 using the Qian He of protrusion and recess portion In shell 10.

As shown in figure 3, in motor unit 1, when aerofoil fan 12 rotates, air is from a side of through hole 101 to another It flows side.In the present embodiment, 12 side of aerofoil fan is the suction side of air, and 14 side of cover portion is the discharge side of air.Separately Outside, the arrow B of Fig. 3 indicates the direction of the wind generated by the rotation of aerofoil fan 12.Motor unit 1 can be applied to for example The indoor unit of air conditioner.In this case, motor unit 1 with 12 side of aerofoil fan towards wall side and 14 side of cover portion towards room The direction configuration of inside is indoors in machine.

As shown in figure 4, motor unit 1 has the casing 15 for keeping motor 11.Casing 15 configures in through hole 101, packet Enclose motor 11.Fig. 5 is the stereogram for the structure for showing casing 15 and its periphery.As shown in figure 5, casing 15 has annulus 150 With supporting part 151.

Annulus 150 is located at the position that radial outside is leaned on than motor 11.In the present embodiment, annulus 150 is annulus Shape.The Center-to-Center axis C of annulus 150 is consistent.As shown in figure 4, annulus 150 is located at the position more upper than cover portion 14 It sets.Annulus 150 surrounds the periphery of the lower side of motor 11.

Supporting part 151 is upwardly projecting from annulus 150.Supporting part 151 surrounds motor 11 and bearing motor 11.Supporting part 151 with annulus 150 can be seperated component, but preferably single part.By using single part, motor list can be cut down The number of components of member 1.Supporting part 151 and annulus 150 can be formed by such as resin.

In detail, supporting part 151 has cylindrical portion 1510 and top part 1511.Cylindrical portion 1510 is located at the diameter of motor 11 Outward.In the present embodiment, cylindrical portion 1510 extends upward from the upper surface of annulus 150.Cylindrical portion 1510 is round It is cyclic annular.Cylindrical portion 1510 extends to the top in addition to axis 110 of motor 11.

Cylindrical portion 1510 has the opening portion 1510a in the radial outside opening of the peripheral surface of motor 11.That is, cylindrical portion 1510 make a part for the peripheral surface of motor 11 be exposed to the outside of casing 15, surround motor 11.In the present embodiment, it is open Portion 1510a is substantially rectangular shape in the plan view from radially.Opening 1510a can prevent sound to be trapped in machine The inside of shell 15 can inhibit the generation of resonance sound.Also, what opening 1510a and capable of inhibiting was generated from motor 11 Heat retention is in casing 15.

It is provided with multiple opening portion 1510a.Multiple opening portion 1510a are configured at spaced intervals in the circumferential.In this implementation In mode, the quantity of opening portion 1510a is 3.3 opening portion 1510a are the same shape each other.3 opening portion 1510a are in week It equally spaced configures upwards.But this is to illustrate, the quantity of multiple opening portion 1510a, shape, configuration can suitably change.It is more A opening portion 1510a can be configurations differing from one.Quantity by making opening portion 1510a is multiple, can be made hot from more A position is emitted to outside casing 15.Therefore, it is possible to prevent heat to be unevenly trapped in casing 15.

Cylindrical portion 1510 is made of multiple wall portion 1510b, multiple wall portion 1510b by multiple opening portion 1510a It is detached in circumferential direction.In the present embodiment, each opening portion 1510a extends to upper end from the lower end of cylindrical portion 1510.Therefore, in detail Say that cylindrical portion 1510 is made of the 3 wall portion 1510b detached in the circumferential in ground.Each wall portion 1510b is in the plane from end on observation It is arc-shaped in figure.3 wall portion 1510b are the same shape each other.3 wall portion 1510b are equally spaced configured in the circumferential.

The quantity of wall portion 1510b prime number preferably bigger than 2.In the present embodiment, the quantity of wall portion 1510b is 3, The number is the prime number bigger than 2.The number of poles of motor 11 is usually even number.Therefore, if the quantity of wall portion 1510b is set as bigger than 2 Prime number, the quantity and the number of poles of motor 11 of wall portion 1510b is relatively prime, and motor 11 and casing 15 can be reduced in the driving of motor 11 Cause the possibility of resonance.In addition, in the present embodiment, the number of poles of motor 11 is 8 poles.But the number of poles of motor 11 can be with It suitably changes.

Top part 1511 is located at the upper end side of cylindrical portion 1510.Top part 1511 extends from the upside of cylindrical portion 1510, covers At least part of the upper surface of lid motor 11.Top part 1511 can be tabular, but in the present embodiment, and outer peripheral edge is flat Slow ground warpage, extends downward.The lower face of the part extended downwards is connected with the upper surface of cylindrical portion 1510.

Top part 1511 has the first hole portion 1511a perforative along the vertical direction.First hole portion 1511a is set to top part 1511 central portion.In the present embodiment, the first hole portion 1511a is round in the plan view from end on observation.First The Center-to-Center axis C of hole portion 1511a is consistent.Axis 110 is projected into the upside of casing 15 across the first hole portion 1511a.Top There is face 1511 the protruding portion 1511b extended upward, protruding portion 1511b to surround the periphery of the first hole portion 1511a.It is prominent Portion 1511b is circular.

Radial outside of the top part 1511 in the first hole portion 1511a has top surface opening portion 1511c.Top surface opening portion 1511c is shape made of a part for the periphery for making top part 1511 is recessed towards radially inner side in arc-shaped.In this implementation In mode, the quantity of top surface opening portion 1511c is 3.Each top surface opening portion 1511c is connected with opening portion 1510a.3 top surfaces Opening portion 1511c is equally spaced configured in the circumferential.Top surface opening portion 1511c, which can increase, makes motor 11 be exposed to casing 15 External area, can aid in the inhibition of the generation of resonance sound and the raising of thermal diffusivity.It can also be according to circumstances without setting Top set face opening portion 1511c.

Top part 1511 has from its upper surface towards upside ribs 1511d outstanding.In the present embodiment, reinforce The quantity of rib 1511d is 3.Between the opening portion 1511c of 2 top surfaces, 3 ribs 1511d exist for each ribs 1511d configurations It is equally spaced configured in circumferential direction.Each ribs 1511d extends from protruding portion 1511b towards radial outside.In detail, each to reinforce Rib 1511d has axial thickness from radially inner side towards the thinning cone-shaped in outside.Ribs 1511d can improve supporting part 151 intensity.Can also ribs 1511d according to circumstances be not provided with.

As shown in Figure 4 and Figure 5, motor unit 1 has stator blade 16.Stator blade 16 and aerofoil fan 12 are in the up-down direction It is opposed.In detail, stator blade 16 is located at the position than aerofoil fan 12 on the lower.Stator blade 16 from annulus 150 comprising The side of radial ingredient upwardly extends.Stator blade 16 extends from the inner peripheral surface of peripheral surface towards the through hole 101 of annulus 150.It is quiet Blade 16 not extends as the crow flies radially, but relative to radial skew changes angle and extend.The one of stator blade 16 End is connect with annulus 150, and the other end is connect with shell 10.That is, casing 15 is supported on shell via multiple stator blades 16 Body 10.

Stator blade 16 is provided with multiple, and in the present embodiment, the quantity of stator blade 16 is 17.In addition, stator blade 16 Quantity is preferably the number relatively prime with the number of poles of motor 11.Multiple stator blades 16 are the same shape, and are equally spaced arranged in the circumferential Row.Venthole is formed between stator blade 16.Stream of the stator blade 16 to the wind generated by the rotation of aerofoil fan 12 It is dynamic to carry out rectification.Stator blade 16 can improve the air quantity of the wind generated by the rotation of aerofoil fan 12.

In the present embodiment, annulus 150 and stator blade 16 are single parts.Therefore, it is possible to reduce motor unit 1 Number of components can mitigate homework burden for example when assembled.Stator blade 16 and shell 10 are all the same parts.That is, in this reality It applies in mode, shell 10, casing 15 and multiple stator blades 16 are single parts.But this is to illustrate, shell 10, casing 15 And at least arbitrary 2 in multiple stator blades 16 can be seperated component.

As shown in figure 4, there is motor unit 1 bracket 17, the bracket 17 to configure in the downside of motor 11, it is supported in casing 15.According to this structure, casing 15 and the clamping of bracket 17 and fixing motor 11 can be utilized, motor 11 can be firmly fixed.Support Frame 17 can be formed by such as resin.

Fig. 6 is the stereogram for the structure for showing bracket 17.In addition, Fig. 6 is the figure of the bracket 17 from obliquely downward.Bracket 17 With the second hole portion 170 perforative along the vertical direction or the recess portion being recessed downwards.In the present embodiment, bracket 17 has Second hole portion 170.In detail, bracket 17 has the cylindric main part 171 with the second hole portion 170.Second hole portion 170 Center-to-Center axis C it is consistent.In addition, the recess portion being arranged instead of the second hole portion 170 can also be used from main part 171 The structure that upper end extends downward.Recess portion can be round in the plan view from end on observation.Bracket 17 has from master Multiple foots 172 that body portion 171 is extended radially towards radial outside.Multiple foots 172 equally spaced configure in the circumferential.

In the present embodiment, the quantity of foot 172 is 3, but its quantity can suitably change.But foot 172 Quantity is preferably the number relatively prime with the number of poles of motor 11.Thereby, it is possible to motor 11 and bracket 17 are reduced in the driving of motor 11 Cause the possibility of resonance.Each foot 172 has the screw recess portion 173 being radially recessed in radial terminal part.Each foot 172 can also have hole portion perforative in the axial direction and replace screw recess portion 173.As shown in figure 4, in screw recess portion 173 In the screw 18 that bracket 17 is fixed on to casing 15 is installed.There is casing 15 threaded hole, bracket 17 to pass through screw with casing 15 18 and be threadably secured.In detail, each foot 172 has axial thickness from radially inner side towards the thinning taper in outside Shape.It, being capable of motor unit 1 easy to implement thereby, it is possible to shorten the length for making bracket 17 relative to 15 fixed screw 18 of casing Slimming.

In addition, in the present embodiment, bracket 17 is fixed on casing 15 by screw 18, but this is only to illustrate.Example Such as, can protrusion be set in the side in bracket 17 and casing 15, recess portion is set in another party, utilizes the Qian He of protrusion and recess portion And bracket 17 is fixed on casing 15.Protrusion and recess portion can be for example, by being pressed into or be bonded and fix.

Fig. 7 is the sectional view of the installation constitution for illustrating motor 11.Fig. 7 be in sectional view shown in Fig. 4 enlargedly The figure on the periphery of motor 11 is shown.As shown in fig. 7, motor 11 has the first protrusion 111 extended to upside on top.In this reality It applies in mode, the first protrusion 111 is cylindric.It is configured with such as bearing in the inside of the first protrusion 111.

First protrusion 111 is installed on across the first elastic portion 19 in the first hole portion 1511a.In the present embodiment, One elastic portion 19 is the rubber components of annular shape, is sleeved on the periphery of the first protrusion 111.Be cased with the first elastic portion 19 first is convex Portion 111 is inserted into the first hole portion 1511a.In detail, the first elastic portion 19 is also inserted into protruding portion 1511b.It is logical Setting protruding portion 1511b is crossed, the thickness of the first elastic portion 19 can be increased, the intensity of the first elastic portion 19 can be increased.

It is preferred that the peripheral surface of the first protrusion 111 is seamlessly contacted with the inner peripheral surface of the first elastic portion 19.Also, it is preferred that The peripheral surface of one elastic portion 19 is seamlessly contacted with the inner peripheral surface of the first hole portion 1511a.Thereby, it is possible to suitably carry out motor 11 diametrical positioning.

According to this structure, the vibration generated due to the driving of motor 11 can be inhibited to be passed by the first elastic portion 19 The case where passing casing 15.Further, it is possible to inhibit the phenomenon that the vibration of motor 11 passes to stator blade 16 via casing 15.Such as Shown in Fig. 7, the first elastic portion 19 preferably has the first radially projecting flange part 190 in the lower section of peripheral surface.First flange Portion 190 is preferably without being inserted into the first hole portion 1511a and between motor 11 and top part 1511.Thereby, it is possible to more may be used The vibration for inhibiting the phenomenon that the driving due to motor 11 by ground and generating passes to casing 15.

In addition, in the present embodiment, using the structure for installing the first elastic portion 19 on the first protrusion 111, but it is unlimited In this.For example, the structure that the first elastic portion 19 is installed in the first hole portion 1511a may be used.Pacifying that is, can also use The structure of the first protrusion 111 is inserted into the first hole portion 1511a equipped with the first elastic portion 19.

Around the first elastic portion 19 or a part is provided with the first relief portion 20.First relief portion 20 includes to make the The first exposed division 200 that a part for one elastic portion 19 is exposed.In the present embodiment, the first relief portion 20 is set to the first bullet Around property portion 19.But this is to illustrate, the first relief portion 20 for example can also be to cut away a part for the first elastic portion 19 And be arranged.By the first relief portion 20, and allow the first elastic portion 19 upwardly-deformed in the side where the first relief portion 20.It changes Yan Zhi can avoid the first elastic portion 19 hard straight.It is accordingly possible to ensure the elastic force of the first elastic portion 19, to utilize first Elastic portion 19 suitably absorbs the vibration of motor 11.

In the present embodiment, the first exposed division 200 is the part for making the upper surface of the first elastic portion 19 expose.First dew It is to be open and formed by the upper surface of protruding portion 1511b to go out portion 200.First relief portion 20 is towards the first elastic portion 19 The space of upper surface.According to this structure, the structure on the first elastic portion 19 can be not at as casing 15.Therefore, energy Enough reduce the length of motor unit 1 in the axial direction.

In addition, the first exposed division 200 is not limited to the structure of present embodiment, such as can also be to make the first elastic portion 19 The part that side is exposed.In this case, the first relief portion 20 can be the space of the side towards the first elastic portion 19.

As shown in fig. 7, motor 11 has the second protrusion 112 extended to downside in lower part.In the present embodiment, second Protrusion 112 is cylindric.It is configured with such as bearing in the inside of the second protrusion 112.Second protrusion 112 is across the second elastic portion 21 And it is installed in the second hole portion 170 or recess portion.In the present embodiment, the second protrusion 112 is installed in the second hole portion 170 In.

In the present embodiment, the second elastic portion 21 is circular rubber components, is sleeved on the periphery of the second protrusion 112 On.The second protrusion 112 for being cased with the second elastic portion 21 is inserted into the second hole portion 170.It is preferred that the peripheral surface of the second protrusion 112 It is seamlessly contacted with the inner peripheral surface of the second elastic portion 21.Also, it is preferred that the peripheral surface of the second elastic portion 21 and the second hole portion 170 Inner peripheral surface seamlessly contact.Thereby, it is possible to suitably carry out 11 diametrical positioning of motor.

According to this structure, the vibration generated due to the driving of motor 11 can be inhibited to be passed by the second elastic portion 21 The case where passing bracket 17.Further, it is possible to inhibit the phenomenon that the vibration of motor 11 passes to stator blade 16 via bracket 17.Such as Shown in Fig. 7, the second elastic portion 21 preferably has the second radially projecting flange part 210 in the top of peripheral surface.Second flange Portion 210 is preferably without being inserted into the second hole portion 170 and between motor 11 and bracket 17.Thereby, it is possible to more reliably press down Make the case where vibration generated due to the driving of motor 11 is delivered to bracket 17.

In addition, in the case where bracket 17 replaces the second hole portion 170 and has recess portion, the second elastic portion 21 is convex between second Between the outer surface in portion 112 and the inner surface of recess portion.Also, in the present embodiment, using installing on the second protrusion 112 The structure of two elastic portions 21, but not limited to this.For example, the knot that the second elastic portion 21 is installed in the second hole portion 170 may be used Structure.That is, the structure for being inserted into the second protrusion 112 in the second hole portion 170 for being equipped with the second elastic portion 21 can also be used.

Around the second elastic portion 21 or a part is provided with the second relief portion 22.Second relief portion 22 includes to make the The second exposed division 220 that a part for two elastic portions 21 is exposed.In the present embodiment, the second relief portion 22 is arranged at second Around elastic portion 21.But this is to illustrate, the second relief portion 22 for example can also be to cut a part for the second elastic portion 21 Fall and is arranged.By second relief portion 22 by allow the second elastic portion 21 upwardly-deformed in the side where the second relief portion 22. In other words, the second elastic portion 21 can be avoided hard straight.It is accordingly possible to ensure the elastic force of the second elastic portion 21, to utilize the Two elastic portions 21 suitably absorb the vibration of motor 11.

In the present embodiment, the second exposed division 220 is the part for making the lower surface of the second elastic portion 21 expose.Second dew Go out portion 220 to be formed by the second hole portion 170.Second relief portion 22 is the space of the lower surface towards the second elastic portion 21.According to this Structure can be not at the structure under the second elastic portion 21 as bracket 17.Therefore, it is possible to reduce motor unit 1 in axis Upward length.

In addition, the second exposed division 220 is not limited to the structure of present embodiment, such as can also be to make the second elastic portion 21 The part that side is exposed.In this case, the second relief portion 22 can be the space of the side towards the second elastic portion 21.

Fig. 8 is for illustrating motor 11 and including the vertical view of the relationship between casing 15 and the shell 10 of stator blade 16. As shown in figure 8, motor 11 has conducting wire 113.Conducting wire 113 is supplied electric power to such as motor 11.In detail, conducting wire 113 uses Such as around the metal wires such as copper covering resin structure.In fig. 8, although only showing 1 conducting wire 113, present embodiment Motor 11 have multiple conducting wires 113.

Motor 11 has the casing 114 passed through for conducting wire 113.Casing 114 is made of such as thermoplastic resin etc..In this reality It applies in mode, casing 114 ties up multiple conducting wires 113.Casing 114 is configured in the side of motor 11.A part for casing 114 is from horse Peripheral surface up to 11 is radially projecting.

As shown in figure 8, casing 114 is configured at the periphery position opposed with opening portion 1510a of motor 11.In this reality It applies in mode, casing 114 is whole to be overlapped with opening portion 1510a in the plan view from radially.According to this structure, energy It reaches opening 1510a and casing 114 is avoided to be contacted with supporting part 151, the diameter of supporting part 151 can be reduced.By subtracting The diameter of ramuscule bearing portion 151, such as the diameter of the fan hub 120 (referring to Fig.1 0) of aerofoil fan 12 can be reduced and increase blade 121 (referring to Fig.1 0), can realize the raising of the air quantity of motor unit 1.Also, it can also be by reducing the straight of supporting part 151 Diameter and make motor unit 1 realize miniaturization.Also, according to this structure, the conducting wire 113 drawn from casing 114 can be made via opening Oral area 1510a and be simply drawn out to outside casing 15.

As shown in figure 8, annulus 150 has the notch section 1501 being radially recessed on inner peripheral surface.In present embodiment In, a part for notch section 1501 is arc-shaped in the plan view from end on observation.Notch section 1501 extends in the axial direction.Set Pipe 114 configures in the plan view from end on observation on the position opposed with notch section 1501.In detail, casing 114 exists It is opposed with notch section 1501 radially in plan view from radially.In the present embodiment, as shown in fig. 7, casing 114 Positioned at the position more upper than annulus 150.According to this structure, casing 114 and ring-type can be avoided by notch section 1501 Portion 150 contacts, and motor 11 is made to be inserted into casing 15 from the downside of casing 15.Therefore, with the feelings that are not provided with notch section 1501 Condition is compared, and the diameter of annulus 150 can be reduced.

As shown in figure 8, from casing 114 draw conducting wire 113 configured in the plan view from end on observation with stator blade On 16 positions overlapped.Thereby, it is possible to the flowings for reducing through the wind that the rotation of aerofoil fan 12 generates to be hindered by conducting wire 113 Possibility.

Fig. 9 is the schematic diagram illustrated for the relationship between conducting wire 113 and stator blade 16.In fig.9, conducting wire 113 show in cut away view with stator blade 16.As shown in figure 9, stator blade 16 has the groove portion being recessed along the vertical direction 16a.Groove portion 16a extends along the direction that stator blade 16 extends.Groove portion 16a can extend to another from one end of stator blade 16 End, but a part for the range to pass through can also be set to.Conducting wire 113 is disposed in groove portion 16a.Conducting wire 113 at least part can be embedded in groove portion 16a.Therefore, it is possible to fix conducting wire 113 by groove portion 16a.Also, it is logical The embedment conducting wire 113 in groove portion 16a is crossed, the volume of the essence of 113 occupied space of conducting wire can be reduced, therefore wind can be reduced Flow the possibility hindered by conducting wire 113.

Width W1s of the groove portion 16a on the direction vertical with the extending direction of groove portion 16a is preferably than the diameter of conducting wire 113 R1 is slightly small.As a result, by making conducting wire 113 be embedded in groove portion 16a, and conducting wire 113 is made to deform, can be kept by stator blade 16 Conducting wire 113.Groove portion 16a can be the depth for being embedded to the conducting wire 113 of more than half.Thereby, it is possible to reduce 113 occupied space of conducting wire Essence volume.Furthermore it is possible to be provided with 1 groove portion 16a for 1 conducting wire 113 as this example, but can also be directed to more A conducting wire 113 is provided with 1 groove portion 16a.In addition, conducting wire 113 can also be fixed on the surface of stator blade 16 rather than by cloth It sets in groove portion 16a.In this case, conducting wire 113 can also be pasted on stator blade 16 for example, by bonding agent.

Figure 10 is the stereogram for the structure for showing aerofoil fan 12.As shown in Figure 10, aerofoil fan 12 has fan hub 120 With blade 121.Fan hub 120 is bottomed tube.In the present embodiment, the side at the formation cylinder bottom of fan hub 120 is set as On, fan hub 120 is installed in axis 110 by means of mounting portion 13.In detail, fan hub 120 is more upper than casing 15 Position be installed on axis 110.In the present embodiment, fan hub 120 is screwed on the second installing component 132.Such as Fig. 4 Shown, fan hub 120 surrounds the top of motor 11 and casing 15.The diameter of fan hub 120 be preferably the diameter of annulus 150 with On.Thereby, it is possible to inhibit the flowing by the wind that the rotation of aerofoil fan 12 generates to be hindered by annulus 150, so as to Efficiency is blown well.

The upper face center portion of fan hub 120 is provided with perforative mounting hole 120a up and down.In the present embodiment, pacify It is round to fill hole 120a, and the center of mounting hole 120a is consistent with the center of fan hub 120.In the present embodiment, such as Fig. 1 institutes Show, axis 110 passes through mounting hole 120a.Also, mounting portion 13 is installed in mounting hole 120a.It in addition to this, can be in fan The hole of screw threads for fastening or the hole of the generation for preventing resonance sound are provided on the upper surface of hub 120.

Figure 11 is the schematic diagram for showing the relationship between fan hub 120 and casing 114.As shown in figure 11, casing 114 is preferred The position on the lower in the lower end 120b than fan hub 120 is set.Thereby, it is possible to the conducting wire 113 for preventing from drawing from casing 114 with Fan hub 120 is interfered.Therefore, it is possible to be easy to carry out wiring processing.

Blade 121 is upwardly extended from fan hub 120 in the side comprising radial ingredient.In detail, blade 121 is from fan hub 120 peripheral surface extends.Blade 121 not radially extends as the crow flies, but relative to radial skew extends.Blade 121 It is multiple.Multiple blades 121 are the same shape, are equally spaced arranged in the circumferential.Blade 121, which is configured in, passes through aerofoil fan 12 rotation and from the upside of motor unit 1 towards downside generate wind flowing direction on.

In the present embodiment, the quantity of blade 121 is 7.The quantity of blade 121 is without being limited thereto, can suitably change. Additionally, it is preferred that the quantity of stator blade 16 and the quantity of blade 121 are relatively prime.Blade 121 is made by the driving of motor 11 as a result, In the case of rotation, blade 121 can be reduced and cause the possibility of resonance with stator blade 16.

The structure of embodiment illustrated above or the variation suitably illustrated is only the illustration of the utility model.Implement The structure of mode or variation can also suitably change in the range of no more than the technological thought of the utility model.Also, with Shown on embodiment and multiple variations can combine and implement in the range of can realize.

For example, in embodiment illustrated above, motor 11 is using the structure for being fixed on casing 15 using bracket 17. This is to illustrate.Motor 11 can be fixed on without using bracket 17 on casing 15.Figure 12 is the reality for illustrating the utility model Apply the schematic diagram of the variation of the motor unit 1 of mode.

The motor 11 of variation has from peripheral surface flange part 115 outstanding.In detail, flange part 115 is radially dashed forward Go out.Flange part 115 is a part for motor 11, can be single part with the component for the part for constituting motor 11.Flange part 115 are fixed in casing 15.In the example shown in Figure 12, flange part 115 is fixed with casing 15 by screw 23.In this knot In structure, motor 11 can be fixed on casing 15 in the case of carrierless 17, therefore can reduce the components of motor unit 1 Number.

In the example shown in Figure 12, in detail, be provided on flange part 115 it is vertically extending, for spiral shell The through hole 1151 that nail 23 passes through.Casing 15 has the flat part 152 for linking annulus 150 and supporting part 151.Flat part 152 can be from the inner circumferential top of annulus 150 to radially inner side protruding portion outstanding.It is provided with along upper on flat part 152 The threaded hole 153 that lower direction extends.Third elastic portion 24 is configured between flange part 115 and shell part 15.Third elastic portion 24 can be the rubber components of such as annular shape.In the case that using screw 23 by flange part 115 and casing 15 fixed, third Elastic portion 24 falls between.Third elastic portion 24 absorbs the vibration of motor 11.Therefore, it is possible to prevent the vibration of motor 11 from passing through The case where stator blade 16 are passed to by casing 15.

The utility model can be applied to have the horse for making aerofoil fan rotate such as household electrical appliances, OA equipment, mobile unit The various equipment reached.

Claims (20)

1. a kind of motor unit, has：

Motor has the axis configured along central axis extended in the vertical direction；

Casing keeps the motor；

Aerofoil fan is installed on the axis；And

Stator blade, it is opposed in the up-down direction with the aerofoil fan,

It is characterized in that,

The casing has：

Annulus is located at the position that radial outside is leaned on than the motor；And

Supporting part, it is upwardly projecting from the annulus, it surrounds the motor and supports the motor,

The stator blade is upwardly extended from the annulus in the side comprising radial ingredient.

2. motor unit according to claim 1, which is characterized in that

The annulus and the stator blade are single components.

3. motor unit according to claim 2, which is characterized in that

The supporting part has：

Cylindrical portion is located at the radial outside of the motor；And

Top part is located at the upper end side of the cylindrical portion,

The cylindrical portion has in the opening portion of the radial outside opening of the peripheral surface of the motor.

4. motor unit according to claim 3, which is characterized in that

Multiple opening portions are provided with,

Interval configures in the circumferential for multiple opening portions.

5. motor unit according to claim 4, which is characterized in that

The cylindrical portion is made of multiple wall portions, and multiple wall portion is detached in the circumferential by multiple opening portions,

The quantity of the wall portion is the prime number bigger than 2.

6. motor unit according to claim 3, which is characterized in that

The motor has the first protrusion extended to upside on top,

The top part has perforative first hole portion in the up-down direction,

First protrusion is installed on across the first elastic portion in first hole portion.

7. motor unit according to claim 6, which is characterized in that

Around first elastic portion or a part is provided with the first relief portion,

First relief portion includes the first exposed division for making a part for first elastic portion expose.

8. motor unit according to claim 7, which is characterized in that

First relief portion is the space of the upper surface towards first elastic portion.

9. motor unit according to claim 3, which is characterized in that

The motor also has：

Conducting wire；And

Casing is passed through for the conducting wire,

Described sleeve pipe configures at the position opposed with the opening portion of the periphery of the motor.

10. motor unit according to claim 1, which is characterized in that

The motor also has：

Conducting wire；And

Casing is passed through for the conducting wire,

The annulus has the notch section being radially recessed on inner peripheral surface,

In the plan view from end on observation, described sleeve pipe is configured in the position opposed with the notch section.

11. motor unit according to claim 1, which is characterized in that

The motor also has：

Conducting wire；And

Casing is passed through for the conducting wire,

In the plan view from end on observation, the conducting wire drawn from described sleeve pipe, which is configured in, to be overlapped with the stator blade Position.

12. motor unit according to claim 9, which is characterized in that

The stator blade has the groove portion being recessed along the vertical direction,

The conducting wire is disposed in the groove portion.

13. according to the motor unit described in any one in claim 1 to 8, which is characterized in that

The motor also has：

Conducting wire；And

Casing is passed through for the conducting wire,

The aerofoil fan has：

The fan hub of bottomed tube；And

Blade is upwardly extended from the fan hub in the side comprising radial ingredient,

Described sleeve pipe is arranged at the lower end position on the lower than the fan hub.

14. according to the motor unit described in any one in claim 1 to 8, which is characterized in that

The aerofoil fan has blade,

The quantity of the stator blade and the quantity of the blade are relatively prime.

15. according to the motor unit described in any one in claim 1 to 8, which is characterized in that

Also there is the motor unit bracket, the bracket to be configured in the downside of the motor, be supported in the casing.

16. motor unit according to claim 15, which is characterized in that

The motor has the second protrusion extended to downside in lower part,

The bracket has perforative second hole portion or the recess portion being recessed downwards in the up-down direction,

Second protrusion is installed on across the second elastic portion in second hole portion or recess portion.

17. motor unit according to claim 16, which is characterized in that

Around second elastic portion or a part is provided with the second relief portion,

Second relief portion includes the second exposed division for making a part for second elastic portion expose.

18. motor unit according to claim 17, which is characterized in that

Second relief portion is the space of the lower surface towards second elastic portion.

19. according to the motor unit described in any one in claim 1 to 8, which is characterized in that

The motor has from peripheral surface flange part outstanding,

The flange part is fixed on the casing.

20. motor unit according to claim 19, which is characterized in that

Third elastic portion is configured between the flange part and the casing.