CN207584893U - Wall-hanging air conditioner indoor unit - Google Patents

Abstract

The utility model provides a kind of wall-hanging air conditioner indoor unit, and including housing, rear side has air inlet, and front side has at least one air outlet；Heat exchanger is arranged in housing, for carrying out heat exchange type into heat exchange wind with the air entered from air inlet；Each air-supply assembly matches an air outlet, including the axial flow blower extended before and after axis, for heat exchange wind to be blowed forward；First grid is fixed in front of axial flow blower, has multiple the first grille strips for radially outward dissipating extension from the center along its circumferential array；Second grid is coaxial with the first grid and is installed in rotation on the first grid front or behind, has along its circumferential array and multiple radially outward dissipates the second grille strip of extension from the center, and be configured to：The second grid is made persistently to rotate, to expand the air outlet angle of air outlet or fix the position of the second grid, and the angle of the first grille strip and the second grille strip can be adjusted by rotating the second grid, so as to change the air quantity of air outlet and wind direction.

Description

Wall-hanging air conditioner indoor unit

Technical field

The utility model is related to conditioner, more particularly to a kind of wall-hanging air conditioner indoor unit.

Background technology

Existing air conditioner indoor unit generally use cross flow fan or centrifugal blower air-supply, air quantity is limited and indoor unit is thicker, Influence aesthetics.

Some air conditioner indoor unit are blown using axial flow blower, and stationary grizzly is provided at air outlet to carry out wind-guiding, Stationary grizzly is little to the effect for expanding wind direction, and can not adjust air supplying distance and air quantity.

Utility model content

In view of the above problems, it is proposed that the utility model overcomes the above problem in order to provide one kind or solves at least partly The certainly wall-hanging air conditioner indoor unit of the above problem enhances aesthetics, and can adjust air supplying distance and air quantity so that fuselage is thinned.

Another object of the present invention is in order to more convenient and smart to close air-conditioner air outlet.

In order to realize above-mentioned at least one purpose, the utility model provides a kind of wall-hanging air conditioner indoor unit, including shell Body, rear side have air inlet, and front side has at least one air outlet；Heat exchanger is arranged in housing, for from air inlet The indoor air of entrance carries out heat exchange, forms heat exchange wind；With at least one air-supply assembly, each air-supply assembly matching One air outlet, including：The front and rear axial flow blower extended of axis, for heat exchange wind to be blowed forward；First grid, it is fixed In front of axial flow blower, there are multiple the first grille strips for radially outward dissipating extension from the center along its circumferential array；With Second grid, it is coaxial with the first grid and be installed in rotation on the first grid front or behind, have along its circumferential array multiple The second grille strip of extension is radially outward dissipated from the center, and is configured to：The second grid is made persistently to rotate, to expand air outlet Air outlet angle or fix the position of the second grid, and the first grille strip and second can be adjusted by rotating the second grid The angle of grille strip, so as to change the air quantity of air outlet and wind direction.

Optionally, each air-supply assembly further includes grid driving device, is configured to driving the second grid rotation.

Optionally, grid driving device includes：First gear is fixed on the second grid；Second gear, diameter are less than first Gear, and engaged with first gear；With the first motor, driving second gear rotation is configured to, to drive the rotation of the second grid.

Optionally, the second grid and the first motor are mounted on the first grid.

Optionally, at least one third gear is also equipped on the first grid, third gear is engaged with first gear, with about The position of the first grid of beam.

Optionally, the first grid includes the first outer ring and the first inner ring for being arranged on the inside of the first outer ring, the first outer ring and The annular space for outlet air is formed between first inner ring, each first grille strip is long strip-board shape, and the two of length direction End connects the first outer ring and the first inner ring respectively；And second grid include the second outer ring and be arranged on the inside of the second outer ring second Inner ring forms the annular space for outlet air between the second outer ring and the second inner ring, each second grille strip is long strip-board shape, The both ends of its length direction connect the second outer ring and the second inner ring respectively.

Optionally, each air-supply assembly further includes air inducing circle, is installed on housing；And first grid and axial flow blower difference Mounted on the front side of air inducing circle and rear side.

Optionally, axial flow blower is arranged on the front of heat exchanger.

Optionally, air outlet is round air outlet, and there are one opening and closing structure, each opening and closing structures for setting at each air outlet Including：Central baffle is immovably set to the center of round air outlet, and its outer peripheral edge and corresponding round air outlet Outlet air region is formed between inner peripheral；It with multiple curved blades, is set gradually along the circumferential direction of central baffle, being configured to can be to center The center of baffle gathers with least partially open outlet air region and be configured to can be to the direction exhibition away from center stop plate center It opens to close outlet air region at least partly.

Optionally, the quantity of air outlet is two, and two air outlets are horizontally arranged on front side of housing；And the number of air-supply assembly Measure is two.

Optionally, each curved blade includes：Outer profile edge part, including the first circular arc shaped sectors and the second arc-shaped area Section；With Internal periphery edge part, including third circular arc shaped sectors and the 4th circular arc shaped sectors, Internal periphery edge part is in multiple curved leaves Towards the center of central baffle when piece is gathered；Curved blade is directed toward on wherein the first circular arc shaped sectors and the 4th circular arc shaped sectors edge The direction of butt moves closer to, so that the butt of curved blade forms tapered curved region；Second circular arc shaped sectors and third Circular arc shaped sectors are moved closer to along the direction of end for being directed toward curved blade so that the end of curved blade formed it is tapered curved Region.

Optionally, the curvature of the first circular arc shaped sectors is equal with the curvature of the outer peripheral edge of central baffle；Second arc-shaped area The curvature of section is equal with the curvature of the inner peripheral of round air outlet；The curvature and length of third circular arc shaped sectors and first arc-shaped It the curvature of section and is equal in length.

Optionally, each curved blade is rotatablely arranged at front side or the rear side of central baffle around its butt, and more After a curved blade is gathered, the subregion of each curved blade be located at adjacent two curved blade with the curved blade it Between.

Optionally, after multiple curved blades are gathered, in every two adjacent curved blades, the end of a curved blade Subregion be located at another curved blade butt subregion rear side, and the first arc-shaped area of each curved blade Have prominents to the rear side of curved blade in section and led from the butt of the neighbouring curved blade to separate butt direction is gradually high To flange；Or, after multiple curved blades are gathered, in every two adjacent curved blades, the portion of the end of a curved blade Subregion is located at the front side of the subregion of the butt of another curved blade, and on the first circular arc shaped sectors of each curved blade With prominent to the front side of curved blade and from the butt of the neighbouring curved blade to far from butt direction, gradually high guiding is convex Edge.

Optionally, each curved blade further includes blade rotor, is set to the butt of curved blade, for by curved blade It is pivotably coupled on the position of the trailing flank of central baffle and the outer peripheral edge of adjacent central baffle.

Optionally, each curved blade further includes：Lead is fixedly installed on Internal periphery edge part, and justifies positioned at third In lead fixing section between curved section and the 4th circular arc shaped sectors, lead is stretched with blade rotor towards same direction Go out.

Optionally, opening and closing structure further includes：Curved blade driving mechanism, be configured to drive each curved blade controllably around Its corresponding blade rotor Double-directional rotary, so that multiple curved blades are gathered or are unfolded.

Optionally, curved blade driving mechanism includes：Positioning disk is concentrically disposed in the rear side of central baffle；Positioning disk Middle part open up a circular open；The inner peripheral setting rack gear of circular open；It is additionally provided on positioning disk a plurality of by positioning disk The curved guide groove that extends to edge of middle part；Every curved guide groove for accommodating a lead, in positioning disk around it During central axis bidirectional rotation, lead is forced to be moved along curved guide groove, so as to which corresponding curved blade be driven to rotate；It is oriented to Disk gear, is set in circular open, and is engaged with gear ring；With guiding coil motor, it is oriented to coil motor and is configured to lead by driving It rotates to drive to disk gear and is oriented to disc spins.

The wall-hanging air conditioner indoor unit of the utility model is blown using axial flow blower, and fuselage is relatively thin, better appearance.Also, The utility model can realize that both of which is blown.One mode is, when air conditioner indoor unit is run, the second grid to be made persistently to turn Dynamic, compared to only a fixed grid solutions being set to compare, the lasting rotation of the second grid can greatly extend wind direction. Another pattern is, when air conditioner indoor unit is run, the second grid is made to be in stationary state.It but can be by rotating the second lattice Grid change the angle of the first grille strip and the second grille strip, to change the air quantity wind direction of air outlet.In this way, the utility model without Wind direction need to be increased by setting flow-mixing blower fan and wind deflector, make simple in structure, complete machine thickness is thinning, has beautified product Appearance.

Further, the wall-hanging air conditioner indoor unit of the utility model is included for the opening and closing structure of round air outlet, can When air conditioner indoor unit is shut down, multiple curved blades are unfolded to round air outlet edge, and can completely enclose outlet air region, energy The dust and impurity enough effectivelying prevent outside air conditioner indoor unit enter inside air duct, so as to ensure that the work of air conditioner indoor unit is imitated Fruit.When air conditioner indoor unit works, contraction is gathered at the center of multiple curved blades to central baffle, to open wind outlet area completely Domain, in order to which air conditioner indoor unit is blown.

Further, multiple curved blades are set to the rear side of central baffle, after can collapsing to central baffle completely Side is not take up additional duct space, improves the space availability ratio inside air conditioner indoor unit, and user is in air conditioner indoor unit Outside can not observe the curved blade of gathering so that the shape at air outlet is more beautiful.

Further, in the utility model, curved blade driving mechanism can utilize the rotation of its positioning disk, and lead is made to exist Slide in curved guide groove, curved blade to be driven to rotate, i.e., by set on the inside of central baffle positioning disk and lead come It drives multiple curved blade rotation expansion or collapses, without setting driving devices, the structures such as complicated rocking bar simpler.Separately Outside, positioning disk, positioning disk gear and guiding coil motor are respectively positioned on the rear side of central baffle, therefore it is empty to be not take up additional air duct Between so that air conditioner indoor unit internal structure is compacter.

According to the accompanying drawings to the detailed description of the utility model specific embodiment, those skilled in the art will be more Add the above-mentioned and other purposes, advantages and features of clear the utility model.

Description of the drawings

Some specific realities of the utility model are described in detail by way of example rather than limitation with reference to the accompanying drawings hereinafter Apply example.Identical reference numeral denotes same or similar component or part in attached drawing.It should be appreciated by those skilled in the art that What these attached drawings were not necessarily drawn to scale.In attached drawing：

Fig. 1 is the schematic, exploded according to the wall-hanging air conditioner indoor unit of the utility model one embodiment；

Fig. 2 is a kind of arrangement mode schematic diagram of the first grid, the second grid and air inducing circle；

Fig. 3 is another arrangement mode schematic diagram of the first grid, the second grid and air inducing circle；

Fig. 4 is the first grid and the structure diagram of grid driving device；

Fig. 5 is the structure diagram according to the opening and closing structure of the utility model one embodiment；

Fig. 6 is the exploded view according to the opening and closing structure of the wall-hanging air conditioner room of the utility model one embodiment；

Fig. 7 is the schematic elevational view according to the curved blade of the opening and closing structure of another embodiment of the utility model；

Fig. 8 is the schematic plan according to the curved blade of the opening and closing structure of another embodiment of the utility model；

Fig. 9 is the schematic, bottom view according to the curved blade of the opening and closing structure of another embodiment of the utility model；

Figure 10 is a kind of schematic rear view of state of opening and closing structure according to the utility model one embodiment；

Figure 11 is the schematic rear view according to another state of opening and closing structure of the utility model one embodiment；

Figure 12 is a kind of status diagram of opening and closing structure one shown in Figure 11 curved blade；

Figure 13 is another status diagram of opening and closing structure one shown in Figure 11 curved blade.

Specific embodiment

Fig. 1 is the schematic, exploded according to the wall-hanging air conditioner indoor unit of the utility model one embodiment；Fig. 2 is A kind of arrangement mode schematic diagram of one grid, the second grid and air inducing circle；Fig. 3 is the first grid, the second grid and air inducing Another arrangement mode schematic diagram of circle；Fig. 4 is the first grid and the structure diagram of grid driving device.

As shown in Figures 1 to 4, the utility model embodiment provides a kind of wall-hanging air conditioner indoor unit.It includes housing 10th, heat exchanger 90 and at least one air-supply assembly.

Housing 10 includes rear shell 14 and front housing 12, and the two is connected with the accommodation space for limiting housing 10 jointly.Housing Air inlet 13 is provided in 10 rear side, that is, rear shell 14, there is at least one air outlet 11 on front side, that is, front housing 12.Above-mentioned outlet air Mouth 11 can be multiple.Such as shown in Fig. 1, the quantity of air outlet 11 is two, and along the length of wall-hanging air conditioner indoor unit Direction arrangement setting.Correspondingly, the quantity of air-supply assembly is also two.Heat exchanger 90 is arranged in housing 10, for From air inlet 13 enter indoor air carry out heat exchange, is formed heat exchange wind (under heating mode be hot wind, refrigeration mode It is cold wind down).Heat exchanger 90 can be tabular finned heat exchanger.Air conditioner indoor unit is connected with air-conditioner outdoor unit, utilizes steam It compresses cooling cycle system and realizes refrigerating/heating.

The quantity of air-supply assembly is identical with the quantity of air outlet 11, and each air-supply assembly matches an air outlet 11, packet Include front and rear axial flow blower 80, the first grid 70 and the second grid 30 extended of axis.Axial flow blower 80 may be provided at heat exchanger 90 Front.First grid 70 is fixedly mounted on the front of axial flow blower 80, along its circumferential array have it is multiple from the center radially outward Dissipate the first grille strip 73 (with reference to figure 2) of extension.Second grid 30 it is coaxial with the first grid 70 and rotatably arranged with, such as It can be directly installed on the first grid 70.There is multiple radially outward dissipate from the center to prolong along 30 circumferential array of the second grid The second grille strip 33 stretched (with reference to figure 2 and Fig. 4).The second grid 30 can be made to be located at the rear of the first grid 70, such as Fig. 2.Also may be used The second grid 30 is made to be located at the rear of the first grid 70.

A kind of alternative construction of first grid 70 and the second grid 30 can be shown in Fig. 2.First grid 70 may include first Outer ring 71 and the first inner ring 72 for being arranged on 71 inside of the first outer ring.It is formed between first outer ring 71 and the first inner ring 72 The annular space of wind, each first grille strip 73 are long strip-board shape, and the both ends of length direction connect the first outer ring 71 respectively With the first inner ring 72.First grille strip 73 is used to guide air-out direction.

With the first grid 70 similarly, the second grid 30 includes the second outer ring 31 and is arranged on the of 31 inside of the second outer ring Two inner rings 32, form the annular space for outlet air between the second outer ring 31 and the second inner ring 32, each second grille strip 33 is equal For long strip-board shape, the both ends of length direction connect the second outer ring 31 and the second inner ring 32 respectively.Second grille strip 33 is used to draw Lead air-out direction.

As shown in Figure 1 to Figure 3, each air-supply assembly further includes air inducing circle 50.Air inducing circle 50 is installed on housing 10, the first lattice Grid 70 and axial flow blower 80 are separately mounted to front side and the rear side of air inducing circle 50.Motor 82 for driving axial flow blower 80 can pacify Mounted in the front side of air inducing circle 50, the shaft of motor 82 backs through air inducing circle 50 with connection of axial flow fan 80.

There are two types of operating modes for the wall-hanging air conditioner indoor unit tool of the utility model embodiment.

First, when air conditioner indoor unit is run, make the second persistently rotation of grid 30.One is only set compared with the prior art Fixed grid solutions are compared, and in the utility model, heat exchange wind can be made to be radially outwardly sloping after the second grid 30, with Just when the second grid 30 rotates, outlet air region is made to become a kind of conical region of flaring, expands air outlet angle.Meanwhile the Two grille strips 33 also have impetus for wind, increase air quantity and air supplying distance.

Second, when air conditioner indoor unit is run, the second grid 30 is made to be in stationary state.But rotation second can be passed through Grid 30 changes the angle of the first grille strip 73 and the second grille strip 33, to change the air quantity of air outlet 11, wind direction and air-supply Distance.

For example, the sum of the first grille strip 73 can be made equal with the sum of the second grille strip 33.When the first grille strip 73 with During the second 33 lucky front and rear contraposition of grille strip (angle 0), outlet air section is maximum, and the air quantity of air outlet 11 is maximum, air supplying distance Farthest.When each second grille strip 33 is between two adjacent first grille strips 73, outlet air section is minimum, and air quantity is minimum, Air supplying distance is nearest.Therefore, air quantity and air-supply can be adjusted by adjusting the angle of the first grille strip 73 and the second grille strip 33 Distance.Also, during the two angle difference, air supply direction can also change.

In this way, the utility model without by setting flow-mixing blower fan and wind deflector increasing wind direction, make it is simple in structure, Complete machine thickness is thinning, has beautified the appearance of product.

For ease of driving the second grid 30, each air-supply assembly further includes grid driving device 35, is configured to driving the Two grids 30 rotate.

As shown in Figures 2 to 4, grid driving device 35 may include first gear 352,353 and first motor of second gear 351.Wherein, first gear 352 is fixed on the second inner ring 32 (or being integrally formed with the second inner ring 32), same with the second inner ring 32 Axis.The diameter of second gear 353 is less than first gear 352, and is engaged with first gear 352, to form The gear deceleration structure.The One motor 351 is configured to driving second gear 353 and rotates, and makes second gear 353 that first gear 352 be driven to rotate, so as to drive Second grid 30 rotates.First motor 351 can be mounted on the first grid 70, and motor pressing cover 40 is used to cover in the first motor 351 It is buckled on the first grid 70.

At least one third gear 355, preferably two can be also installed on the first grid 70.Third gear 355 and One gear 352 engages, to constrain the position of the first grid 70.

Fig. 5 is the schematic elevational view according to the opening and closing structure of the wall-hanging air conditioner room of the utility model one embodiment； Fig. 6 is the exploded view according to the opening and closing structure of the wall-hanging air conditioner room of the utility model one embodiment.As shown in Figure 5 to Figure 6, In some embodiments, air outlet 11 is round air outlet.There are one opening and closing structures 20 for setting at each air outlet 11.The opening and closing Structure 20 includes：Central baffle 21 and multiple curved blades 22.

Central baffle 21 is fixedly installed on the center of round air outlet 11, between outer peripheral edge and the inner peripheral of air outlet 11 Form outlet air region.For example, above-mentioned center baffle 21 can be circle, then corresponding outlet air region is annular.It is new in this practicality In some alternate embodiments of type, above-mentioned center baffle 21 can be the other shapes such as rectangular, oval.

Multiple curved blades 22 are set gradually along the circumferential direction of central baffle 21, for example, the quantity of curved blade 22 can be 6 It is a, and equably set along the periphery of central baffle 21.In other embodiments, the quantity of blade can also be 6 Below or 6 or more, it can specifically be set according to leaf blade size, the size of central baffle 21 and 11 size of air outlet.It is more A curved blade 22 can be gathered to the center of central baffle 21 with least partially open outlet air region, and can gather completely Hold together the front side for being contracted to central baffle 21 or rear side.Preferably, the rear side for being contracted to central baffle 21 can be gathered completely, also It is to say, when multiple curved blades 22 are in complete rounding state, central baffle 21 can cover multiple curved blades 22, Yong Huwu Method is 22 from air outlet external observation to curved blade, as shown in Figure 2.Multiple curved blades 22 can also be to away from center stop plate 21 It is unfolded to close outlet air region at least partly in the direction at center.As shown in Figure 1, multiple curved blades 22 can be expanded to completely Above-mentioned annular air region is covered, to realize the closed allround of air outlet 11.

Fig. 7 is the schematic elevational view according to the curved blade 22 of the opening and closing structure 20 of another embodiment of the utility model； Fig. 8 is the schematic plan according to the curved blade 22 of the opening and closing structure 20 of another embodiment of the utility model；Fig. 9 is basis The schematic, bottom view of the curved blade 22 of the opening and closing structure 20 of another embodiment of the utility model.In the present embodiment, it is curved Blade 22 has an outer profile edge part and an Internal periphery edge part, outer profile edge part is in convex, interior similar to crescent Contour edge portion is concave.The Internal periphery edge part is when the multiple curved blade is gathered towards in the central baffle The heart set, then correspondingly, outer profile edge part when the multiple curved blade is gathered can towards the inner peripheral of round air outlet, It can be as shown in figure 11.Outer profile edge part and Internal periphery edge part limit butt and the end of curved blade 22 jointly.

As shown in fig. 7, in some embodiments of the utility model, the outer profile edge part packet of each curved blade 22 It includes：First circular arc shaped sectors 221 and the second circular arc shaped sectors 222.Internal periphery edge part includes：223 He of third circular arc shaped sectors 4th circular arc shaped sectors 224.First circular arc shaped sectors 221 and the 4th circular arc shaped sectors 224 towards curved blade 22 butt by It is gradually close, so that the butt of curved blade 22 forms tapered curved region.Second circular arc shaped sectors 222 and third circular arc The end of shape section 223 towards curved blade 22 moves closer to so that the end of curved blade 22 be similarly formed it is tapered Curved region.That is, the root of the first circular arc shaped sectors 221 and the 4th circular arc shaped sectors 224 along the direction curved blade The direction at end moves closer to, so that the butt of curved blade 22 forms tapered curved region；Second circular arc shaped sectors 222 and Three-arc shape section 223 is moved closer to along the direction for the end for being directed toward curved blade 22, so that the end of curved blade 22 is formed Tapered curved region.

In some preferred embodiments of the utility model, the curvature of the first circular arc shaped sectors 221 and central baffle 21 Outer peripheral edge curvature it is equal.That is, when multiple curved blades 22 are gathered completely to central 21 rear side of baffle, Duo Gequ First circular arc shaped sectors 221 of shape blade 22 are overlapped with the outer peripheral edge of central baffle 21, as shown in figure 11.And multiple curved After blade 22 is gathered, the subregion of each curved blade 22 is located at adjacent two curved blade 22 with the curved blade 22 Between.The curvature of second circular arc shaped sectors 222 is equal with the inner peripheral curvature of air outlet.That is, when multiple curved blades 22 are fully deployed to when covering outlet air region, and the inside of the second circular arc shaped sectors 222 and air outlet of multiple curved blades 22 is all Edge overlaps, as shown in Figure 10.It is so designed that, multiple curved blades 22 can collapse to central 21 rear side of baffle or exhibition completely completely Open masking outlet air region so that the shape at air outlet is more complete, beautiful.

In addition, the curvature and length of third circular arc shaped sectors 223 and the curvature and length of the first circular arc shaped sectors 221 are homogeneous Deng.In the present embodiment, it is as shown in Figure 10, two neighboring when multiple curved blades 22 are fully deployed to covering outlet air region The first circular arc shaped sectors 221 and third circular arc shaped sectors 223 of curved blade 22 are just stitched together so that multiple curved leaves Piece 22 can completely cover outlet air region, while not overlapped as far as possible between adjacent curved blade 22, to make full use of The size of curved blade 22 so that the shape at air outlet 11 is more complete, beautiful.

In some embodiments of the utility model, gathering and be unfolded, Mei Gequ for the ease of multiple curved blades 22 Shape blade 22 is preferably rotatablely arranged at front side or the rear side of central baffle 21 around its butt.Moreover, in multiple curved leaves After piece 22 is gathered, the subregion of each curved blade 22 be located at adjacent two curved blade 22 with the curved blade 22 it Between.For example, as shown in Figure 10, each curved blade 22 is rotatablely arranged at the rear side of central baffle 21 around its butt, multiple Curved blade 22 is cascading.

Further, also have from neighbouring 22 butt of curved blade to far from butt direction on the first circular arc shaped sectors 221 Gradually high guide rib 225, to be shunk or during extension movement in multiple curved blades 22, indoors to multiple on machine front-rear direction Curved blade 22 is oriented to, in order to which multiple curved blades 22 can be least partially overlapped.Specifically, gather in multiple curved blades After holding together, in every two adjacent curved blades 22, the subregion of the end of a curved blade 22 is located at another curved blade The rear side of the subregion of 22 butt, and have on the first circular arc shaped sectors 221 of each curved blade 22 to curved blade It is that 22 rear side protrudes and from the butt of the neighbouring curved blade 22 to far from butt direction gradually high guide rib；Or more After a curved blade 22 is gathered, in every two adjacent curved blades 22, the subregion position of the end of a curved blade 22 In the front side of the subregion of the butt of another curved blade 22, and have on the first circular arc shaped sectors of each curved blade 22 It is prominent to the front side of curved blade 22 and from the butt of the neighbouring curved blade 22 to far from butt direction, gradually high guiding is convex Edge.

Setting is because multiple curved blades 22 are in the process of gathering in this way, and adjacent curved blade 22 may be sent out Raw mechanical interference.Above-mentioned guide rib 225 is relatively low close to the position of butt, and the position far from butt is higher, adjacent curved Blade 22 collapses to when being overlapped mutually, and guide rib 225 can guide adjacent blades slightly to be moved towards rear side, so that adjacent Curved blade 22 be staggered on the front-rear direction of opening and closing structure 20, to prevent mechanical interference.

In some embodiments of the utility model, further, the butt of curved blade 22 is provided with blade rotor 26, Curved blade 22 is pivotably connected the position of the rear side surface neighboring edge of central baffle 21 by blade rotor 26, so that Curved blade 22 can be around 26 Double-directional rotary of blade rotor.Multiple curved blades 22 are unfolded by being rotated around above-mentioned blade rotor 26 Or gather.Figure 10 is a kind of schematic rear view of state of opening and closing structure according to the utility model one embodiment, more in figure A curved blade 22 is in the state being fully deployed.Figure 11 is the opening and closing structure another kind according to the utility model one embodiment The schematic rear view of state, multiple curved blades 22 are in the state collapsed completely in figure.When multiple curved blades 22 are by scheming 10 state is rotated clockwise around blade rotor 26 and (is directed toward the direction of front side from the rear side of wall-hanging air conditioner indoor unit with observer Observation) when, then it is collapsed to central baffle 21.When multiple curved blades 22 are rotated counterclockwise by the state of Figure 11 around blade rotor 26 When, then it rotates and is unfolded to air outlet edge, the location status of Figure 10 can be restored to.

In some embodiments of the utility model, above-mentioned opening and closing structure 20 further includes：Curved blade driving mechanism.It is curved Vane drive mechanism is used to that each curved blade 22 to be driven to rotate with opening and closing of fault outlet air region along its blade rotor 26.Example Such as, in some optional embodiments, curved blade driving mechanism can be multiple link mechanisms and be connect with multiple link mechanisms Stepper motor, each link mechanism and corresponding curved blade 22 are connected.Stepper motor drives curved leaf by link mechanism Piece 22 rotates.

Figure 12 is a kind of status diagram of opening and closing structure one shown in Figure 11 curved blade；Figure 13 is opened and closed shown in Figure 11 Another status diagram of one curved blade of structure.It needs to illustrate, in order to clearly show curved blade 22 The operation principle of driving mechanism illustrates only an independent curved blade 22 in Figure 12 and Figure 13.As shown in Figure 12 and Figure 13, Some in the utility model preferably apply example, and above-mentioned curved blade driving mechanism can include positioning disk 23.

Positioning disk 23 is circle, is set to the rear side of central baffle 21, and center is overlapped with the center of central baffle 21, can Bidirectional rotation is carried out around with the plane where itself and by the straight line of center, you can around center axis along first Direction rotates, and can also be rotated in the second direction opposite to the first direction around center axis.

Further, the rear side surface of positioning disk 23 is additionally provided with a plurality of middle part by positioning disk 23 (in also referred to as Portion region, middle section) to edge extend curved guide groove 231.The quantity of guide groove 231 and the quantity phase of curved blade 22 Together, each guide groove 231 and corresponding 22 cooperating of curved blade.For example, each curved blade further includes Lead 27, one end of lead 27 are securable to the rear side of curved blade 22, and the other end is caught in corresponding curved guide groove 231 It is interior.That is, every curved guide groove is for accommodating a lead, in the positioning disk around central shaft During line bidirectional rotation, the lead is forced to be moved along the curved guide groove, so as to which the corresponding curved blade be driven to turn It is dynamic.

In some preferred embodiments of the utility model, lead 27 can be set to the Internal periphery of curved blade 22 Edge part, and lead 27 is vertical with 23 place plane of positioning disk.Preferably, it is arc-shaped can be located at the third for lead 27 In lead fixing section between 223 and the 4th circular arc shaped sectors 224 of section, lead 27 and blade rotor 26 are towards same Direction is stretched out.Moreover, point on above-mentioned guide groove 231 is to the distance of corresponding 22 blade rotor 26 of curved blade along positioning disk 23 Radial direction gradually increases.That is, guide groove 231 is more than close to the distance of point to the blade rotor 26 at 23 edge of positioning disk Close to 23 center of positioning disk point to blade rotor 26 distance.

In actual use, as shown in figure 12, curved blade 22 is in the state being fully deployed, lead 27 at this time Close to the position at 23 edge of positioning disk in guide groove 231.When needing to collapse curved blade 22,23 up time of positioning disk is driven Needle rotates, and the distance that guide groove 231 arrives 22 blade rotor 26 of corresponding curved blade increases, and lead 27 is forced to along guide groove 231 slide towards the center of positioning disk 23, and the center position for driving curved blade 22 towards central baffle 21 is rotated and received Hold together, as shown in figure 13.When lead 27 moves to guide groove 231 close to the one end at 23 center of positioning disk, curved blade 22 is complete Central 21 rear side of baffle is collapsed to entirely.When needing to be unfolded curved blade 22, driving positioning disk 23 rotates counterclockwise, guide groove The distances of 231 to corresponding 22 blade rotor 26 of curved blade reduce, and lead 27 is forced to along guide groove 231 towards positioning disk 23 Marginal position slide, and drive curved blade 22 towards round 11 edge direction of air outlet rotate be unfolded.When lead 27 is transported Move to guide groove 231 close to the one end at 23 edge of positioning disk when, curved blade 22 is fully deployed to closing outlet air region.

In some embodiments of the utility model, for the ease of the rotation of positioning disk, the middle part of positioning disk 23 also has One circular open 233,233 inside of circular open, one week setting rack gear.Above-mentioned curved blade driving mechanism can also include Positioning disk gear and guiding coil motor 25.Positioning disk gear is set in 23 circular open 233 of positioning disk, with circular open 233 The gear ring engagement of inside, is oriented to coil motor 25 for positioning disk gear to be driven to rotate, and then positioning disk 23 is driven to rotate, in this reality It applies in example, it can be electric rotating machine to be oriented to coil motor 25.

In some embodiments of the utility model, in order to enable positioning disk 23 in rotation process without departing from track, in The edge of centre baffle 21 can set the flange to rearward projection, and positioning disk 23 rotates in the region where above-mentioned flange.It is preferred that Ground, the periphery of above-mentioned flange can also set multiple shaft fixinig plates 211 stretched out to 23 center of positioning disk.Shaft fixinig plate 211 one side can be used for setting the blade rotor 26 of curved blade 22, on the other hand can also limit and lead in the longitudinal direction To the movement locus of disk 23.

In some embodiments of the utility model, positioning disk 23 is additionally provided with multiple limiting slots 232, each limiting slot 232 be arc, is coaxially disposed with positioning disk 23.Above-mentioned guide groove 231 is preferably 3.The rear side of central baffle 21 is accordingly set There are multiple limited posts 212.Above-mentioned each limited post 212 is correspondingly stretched into limiting slot 232.In the process that positioning disk 23 rotates In, limited post 212 is moved relative to limiting slot 232.When positioning disk 23 rotate to a certain degree when, limited post 212 moves to limit The end of position slot 232, and positioning disk 23 is prevented further to rotate.Above-mentioned limiting slot 232 is used to prevent positioning disk 23 from rotating Degree, lead 27 are detached from positioning disk 23.In addition, the rear side in positioning disk 23 can also install a rear side baffle 24, for covering Positioning disk 23.

It will be understood by those skilled in the art that in case of no particular description, it is so-called in the utility model embodiment " on ", " under ", "left", "right", " horizontal stroke ", " perpendicular ", "front", "rear" etc. are with air-conditioning for representing the term of orientation or position relationship For on the basis of the real use state of indoor unit, these terms are for only for ease of description and understand the skill of the utility model Art scheme rather than instruction imply that signified device or component must have specific orientation, therefore it is not intended that this The limitation of utility model.

So far, although those skilled in the art will appreciate that detailed herein have shown and described the more of the utility model A exemplary embodiment, still, still can be according to the utility model public affairs in the case where not departing from the spirit and scope of the utility model The content opened directly determines or derives many other variations or modifications for meeting the utility model principle.Therefore, this practicality is new The range of type is understood that and regards as to cover other all these variations or modifications.

Claims (10)

1. a kind of wall-hanging air conditioner indoor unit, it is characterised in that including：

Housing, rear side have air inlet, and front side has at least one air outlet；

Heat exchanger is arranged in the housing, for carrying out heat exchange, shape with the indoor air entered from the air inlet Into heat exchange wind；With

At least one air-supply assembly, each air-supply assembly match an air outlet, including：

The front and rear axial flow blower extended of axis, for the heat exchange wind to be blowed forward；

First grid is fixedly mounted in front of the axial flow blower, is had along its circumferential array and multiple is radially outward sent out from the center Dissipate the first grille strip of extension；With

Second grid, it is coaxial with first grid and be installed in rotation on the first grid front or behind, along its week To being arranged with multiple the second grille strip of extension is radially outward dissipated from the center, and be configured to：

Second grid is made persistently to rotate, with expand the air outlet angle of the air outlet or

The position of second grid is fixed, and first grille strip and described the can be adjusted by rotating the second grid The angle of two grille strips, so as to change the air quantity of the air outlet and wind direction.

2. wall-hanging air conditioner indoor unit according to claim 1, which is characterized in that

Each air-supply assembly further includes grid driving device, is configured to that second grid is driven to rotate.

3. wall-hanging air conditioner indoor unit according to claim 2, it is characterised in that the grid driving device includes：

First gear is fixed on second grid；

Second gear, diameter is less than the first gear, and is engaged with the first gear；With

First motor is configured to that the second gear is driven to rotate, second grid to be driven to rotate.

4. wall-hanging air conditioner indoor unit according to claim 3, which is characterized in that

Second grid and first motor are mounted on first grid.

5. wall-hanging air conditioner indoor unit according to claim 4, which is characterized in that

At least one third gear is also equipped on first grid, the third gear is engaged with the first gear, with Constrain the position of first grid.

6. wall-hanging air conditioner indoor unit according to claim 1, which is characterized in that

First grid includes the first outer ring and the first inner ring for being arranged on the inside of first outer ring, first outer ring and Form the annular space for outlet air between first inner ring, each first grille strip is long strip-board shape, length The both ends in direction connect first outer ring and first inner ring respectively；And second grid includes the second outer ring and setting The second inner ring on the inside of second outer ring forms the annular for outlet air between second outer ring and second inner ring Space, each second grille strip is long strip-board shape, and the both ends of length direction connect second outer ring and institute respectively State the second inner ring.

7. wall-hanging air conditioner indoor unit according to claim 2, which is characterized in that

Each air-supply assembly further includes air inducing circle, is installed on the housing；And

First grid and the axial flow blower are separately mounted to front side and the rear side of the air inducing circle.

8. wall-hanging air conditioner indoor unit according to claim 1, which is characterized in that

The axial flow blower is arranged on the front of the heat exchanger.

9. wall-hanging air conditioner indoor unit according to claim 1, which is characterized in that

The air outlet is round air outlet, is set at each air outlet there are one opening and closing structure, each opening and closing knot Structure includes：

Central baffle is immovably set to the center of the air outlet, and its outer peripheral edge and the corresponding air outlet Inner peripheral between form outlet air region；With

Multiple curved blades are set gradually along the circumferential direction of the central baffle, are configured to the center of the central baffle to gather Hold together with the least partially open outlet air region and be configured to can to away from the direction of the central baffle center be unfolded with The outlet air region is closed at least partly.

10. wall-hanging air conditioner indoor unit according to any one of claim 1 to 9, which is characterized in that

The quantity of the air outlet is two, and two air outlets are horizontally arranged on front side of the housing；And the air-supply group The quantity of part is two.