CN113738666B - Modularized wind wheel structure and air conditioner - Google Patents

Abstract

The invention provides a modularized wind wheel structure and an air conditioner, wherein the modularized wind wheel structure comprises a wind wheel module, and the wind wheel module comprises: the volute is suitable for being detachably connected with a mounting plate in the air conditioner and comprises a volute body and a volute end cover, and the volute body is detachably connected with the volute end cover; a wind wheel disposed within the volute; the connecting shaft penetrates through the wind wheel along the axis of the wind wheel and is fixed on the wind wheel; and said connecting shaft is adapted to be connected with the motor shaft of the motor or with another of said connecting shafts. The modularized wind wheel structure can be suitable for more air conditioners with different models, effectively expands the application range and the universality of the modularized wind wheel structure, and reduces the production cost of developing new products.

Description

Modularized wind wheel structure and air conditioner

Technical Field

The invention relates to the technical field of air conditioners, in particular to a modularized wind wheel structure and an air conditioner.

Background

Currently, an air conditioner such as an air duct machine has a fan assembly including a scroll housing mounting plate, a plurality of wind wheels, a plurality of scroll housings, a motor, and a connection shaft, the number of the wind wheels corresponds to the number of the scroll housings, the scroll housings are mounted on the scroll housing mounting plate, the wind wheels are mounted in the scroll housings, the connection shaft is connected with the motor, and the motor drives the plurality of wind wheels to rotate synchronously through the plurality of wind wheels. However, the fan assembly has a fixed structure, the number of wind wheels cannot be increased or reduced, for example, some air duct machines need two wind wheels, some air duct machines need three wind wheels, and the fan assembly between the two air duct machines cannot be commonly used, so that the production cost for developing new products is increased.

Disclosure of Invention

The invention solves the problems that: how to improve the versatility of the fan assembly.

In order to solve the above problems, the present invention provides a modular wind wheel structure, including a wind wheel module, the wind wheel module includes:

The volute is suitable for being detachably connected with a mounting plate in the air conditioner and comprises a volute body and a volute end cover, and the volute body is detachably connected with the volute end cover;

A wind wheel disposed within the volute;

The connecting shaft penetrates through the wind wheel along the axis of the wind wheel and is fixed on the wind wheel;

And said connecting shaft is adapted to be connected with the motor shaft of the motor or with another of said connecting shafts.

Compared with the prior art, the invention has the advantages that the spiral case, the wind wheel and the connecting shaft are used as the wind wheel modules, so that each wind wheel module is provided with the connecting shaft, when the number of wind wheels in the fan assembly is required to be increased, only one wind wheel module is required to be installed on the installing plate, when the number of wind wheels in the fan assembly is required to be reduced, only one wind wheel module is required to be detached from the installing plate, and the whole fan assembly is not required to be replaced, the modularized wind wheel structure can be suitable for more air conditioners with different models, the application range and the universality of the modularized wind wheel structure are effectively enlarged, and the production cost for developing new products is reduced; moreover, the spiral case is left and right split structure, and this compares with current spiral case about split structure for spiral case does not have molded line direction split structure, can ensure the molded line of spiral case complete, has optimized the wind channel structure of spiral case, simultaneously, the wind channel internal surface of spiral case does not have gap or unevenness, thereby can prevent that the air current in the spiral case from producing abnormal sound such as squeal when flowing.

Optionally, a supporting rib is arranged at the end part of the volute in the axial direction of the wind wheel, the supporting rib is arranged on the volute body and/or the volute end cover, and a limiting surface is arranged on the connecting shaft; the side surface of the supporting rib facing to one side of the wind wheel is attached to the limiting surface so as to limit the connecting shaft to move in the volute along the axial direction of the connecting shaft.

Therefore, the support ribs can support the left end and/or the right end of the connecting shaft when the wind wheel and the connecting shaft are installed in the volute, and the wind wheel is prevented from falling in the volute in the process of installing the wind wheel, so that the assembly is prevented from being influenced; after one end of the connecting shaft is connected with a motor shaft of the motor, the other end of the connecting shaft can be supported at the end part of the volute under the action of the supporting ribs, so that the connecting shaft is prevented from being far away from the end connected with the motor shaft and greatly swaying when the motor drives the connecting shaft to rotate; meanwhile, when the connecting shaft extends out of the left end and the right end of the volute, the limiting surface can be attached to the side face of the supporting rib, facing one side of the wind wheel, of the connecting shaft, the connecting shaft is prevented from being separated from the volute from the end portion of the volute along the axial direction of the connecting shaft, and accordingly the connecting shaft and the wind wheel are prevented from moving along the axial direction of the connecting shaft in the volute.

Optionally, a buckle is arranged on the volute body, a clamping groove is arranged at a position, corresponding to the buckle, on the volute end cover, and/or the clamping groove is arranged on the volute body, and the buckle is arranged at a position, corresponding to the clamping groove, on the volute end cover; and the volute body and the volute end cover are clamped and connected through the clamping buckle and the clamping groove.

So, the spiral case body realizes dismantling through the joint of buckle and draw-in groove with spiral case end cover and is connected, not only simple structure, easy realization, easy dismounting moreover.

Optionally, a spigot structure is further arranged on the volute body, and the volute body and the volute end cover are in sealing connection at the spigot structure.

Like this, spiral case body and spiral case end cover form sealing connection through pegging graft in tang structure department to prevent that the air current in the spiral case from leaking from the junction of spiral case body and spiral case end cover, thereby improve the air-out efficiency of fan.

Optionally, the connecting shaft and the wind wheel are integrally formed.

Like this, through design connecting axle and wind wheel as integrated into one piece for the connection between connecting axle and the wind wheel is more firm, moreover, sets up connecting axle and wind wheel into a overall structure, has reduced the spare part quantity of wind wheel module, thereby can further make things convenient for in the fan subassembly to the change or increase and decrease operation of wind wheel module.

Optionally, the wind turbine generator further comprises a coupling, the connecting shaft is suitable for being connected with the motor shaft through the coupling, and the connecting shafts of the plurality of wind wheel modules can be connected with each other through the coupling.

In this way, after the wind wheel modules are connected with the motor shaft of the motor through the coupler, or after two adjacent wind wheel modules are connected through the coupler, the wind wheels of the plurality of wind wheel modules are connected with the motor shaft of the motor through the connecting shafts, and the plurality of connecting shafts are coaxially arranged with the motor shaft, so that energy loss in a transmission process (namely, the process that the motor drives the wind wheels through the coupler) is reduced, and meanwhile, the motor and the plurality of wind wheels can be kept at the same rotating speed conveniently, so that the air output of the air pipe machine is ensured; in addition, the shaft coupling is arranged, so that the connection between the wind wheel module and the motor or between two adjacent wind wheel modules can be disconnected only by disconnecting the connection shaft (or the motor shaft) from the shaft coupling, and the disassembly and the assembly of the modularized wind wheel structure are facilitated.

Optionally, two ends of the connecting shaft are respectively provided with a first fixing plane, and the coupler and the connecting shaft are fixed at the first fixing planes through fasteners; and/or the two ends of the motor shaft are respectively provided with a second fixing plane, and the coupler and the motor shaft are fixed at the second fixing planes through fasteners.

In this way, the first fixing plane is arranged so that one end of the fastener, which is abutted against the connecting shaft, is in surface-to-surface contact with the connecting shaft at the first fixing plane, so that the contact area between the fastener and the connecting shaft can be increased, and the fastener and the connecting shaft can be prevented from rotating relatively, and the stability of the connection between the connecting shaft and the coupling is ensured; through setting up the second fixed plane so that the one end of fastener and motor shaft butt and motor shaft form the face-to-face contact in second fixed plane department, can increase the area of contact between fastener and the motor shaft, can prevent moreover to take place relative rotation between fastener and the motor shaft to stability when guaranteeing to connect between connecting axle and the shaft coupling.

Optionally, the wind wheel comprises a hub, a fan blade arranged on the hub, and a shaft sleeve arranged in the hub and sleeved on the connecting shaft, wherein the connecting shaft penetrates through the shaft sleeve and extends out of two ends of the wind wheel.

Therefore, the shaft sleeve is arranged in the hub and sleeved on the connecting shaft, and when the hub and the connecting shaft are in relative rotation due to loose connection, the connecting shaft can be prevented from being worn due to direct contact with the hub, so that the connecting shaft is protected.

Optionally, a first positioning structure is arranged between the hub and the shaft sleeve, and the first positioning structure is suitable for limiting the shaft sleeve to move in the hub along the axial direction of the shaft sleeve; and/or a second positioning structure is arranged between the shaft sleeve and the connecting shaft, and the second positioning structure is suitable for limiting the connecting shaft to move in the shaft sleeve along the axial direction of the connecting shaft.

Therefore, the first positioning structure is arranged between the hub and the shaft sleeve so as to limit the shaft sleeve to move in the hub along the axial direction of the shaft sleeve, so that the shaft sleeve can be prevented from being separated from the hub when rotating along with the connecting shaft, and the shaft sleeve and the hub can be prevented from rotating relatively; and through being equipped with the second location structure between axle sleeve and connecting axle to restrict the axial displacement of connecting axle along the connecting axle in the wind wheel, prevent to take place relative rotation and along the axial translation of connecting axle between axle sleeve and the connecting axle, thereby guarantee the stability when being connected between wheel hub and the axle sleeve and/or between axle sleeve and the connecting axle.

Optionally, the first positioning structure is a first positioning protrusion and a first positioning groove; the first positioning protrusion is arranged on the hub, the first positioning groove is arranged on the shaft sleeve, and/or the first positioning groove is arranged on the hub, and the first positioning protrusion is arranged on the shaft sleeve; and the first positioning protrusion is clamped with the first positioning groove.

In this way, the first positioning protrusion and the first positioning groove are arranged between the hub and the shaft sleeve to prevent the shaft sleeve from being separated from the hub when rotating along with the connecting shaft, and meanwhile, the shaft sleeve and the hub are prevented from rotating relatively.

Optionally, the second positioning structure is a second positioning protrusion and a second positioning groove; the second positioning protrusion is arranged on the connecting shaft, the second positioning groove is arranged on the shaft sleeve, and/or the second positioning groove is arranged on the connecting shaft, and the second positioning protrusion is arranged on the shaft sleeve; and the second positioning protrusion is clamped with the second positioning groove.

Therefore, the second positioning protrusion and the second positioning groove are arranged between the shaft sleeve and the connecting shaft to prevent relative rotation between the shaft sleeve and the connecting shaft and translation along the axial direction of the connecting shaft, so that the motor driving shaft is improved, and the stability of the connecting shaft during rotation is further improved.

In order to solve the problems, the invention also provides an air conditioner which comprises any modularized wind wheel structure.

The air conditioner has the same advantages as the modularized wind wheel structure compared with the prior art, and the description is omitted here.

Drawings

FIG. 1 is a schematic diagram of a fan assembly in an embodiment of the present invention;

FIG. 2 is an exploded view of a wind wheel module according to an embodiment of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is an enlarged view of a portion of FIG. 2 at B;

fig. 5 is a schematic structural diagram of the wind wheel and the motor connected by the coupling according to the embodiment of the present invention;

FIG. 6 is a schematic cross-sectional view of a wind wheel module according to an embodiment of the present invention;

FIG. 7 is an enlarged view of a portion of FIG. 6 at C;

FIG. 8 is a partial enlarged view of FIG. 6 at D;

FIG. 9 is an enlarged view of a portion of FIG. 6 at E;

FIG. 10 is a schematic view of the structure of the wind turbine and the connecting shaft according to the embodiment of the present invention;

FIG. 11 is a schematic view of a connecting shaft according to an embodiment of the present invention;

fig. 12 is a schematic structural view of a motor shaft according to an embodiment of the present invention.

Reference numerals illustrate:

1-a mounting plate; 2-motor module, 21-motor, 22-motor shaft, 221-second fixing plane, 23-motor bracket; the wind wheel module comprises a 3-wind wheel module, a 31-volute, a 311-supporting rib, a 312-volute body, 3121-buckles, a 313-volute end cover, a 3131-clamping groove, a 314-spigot structure, a 32-wind wheel, 321-fan blades, a 322-hub, a 323-shaft sleeve, a 324-first positioning protrusion, a 325-first positioning groove, a 326-second positioning groove, a 33-connecting shaft, a 331-limiting surface, a 332-first fixing plane and a 333-second positioning protrusion; 4-coupling.

Detailed Description

In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

In the description of the present invention, it should be noted that directions or positional relationships indicated by terms of "up", "down", "left", "right", "high", "low", etc. are based on directions or positional relationships shown in the drawings, and in the coordinate system XYZ provided herein, the X axis represents forward, the X axis represents backward, the Y axis represents forward, the Y axis represents leftward, the Z axis represents upward, and the Z axis represents downward; it is intended to be merely illustrative of the invention and simplified description thereof, rather than indicative or implying that the apparatus in question must be oriented, configured and operated in a particular orientation, and therefore should not be construed as limiting the invention.

In the prior art, a fan assembly of an air conditioner such as a ducted air conditioner generally includes a plurality of wind wheels 32, a plurality of volutes 31 and a wind wheel connecting shaft, and when the fan assembly is assembled, the wind wheels 32 are mounted on the wind wheel connecting shaft, and then the wind wheel connecting shaft is connected with a motor shaft 22 of a motor 21 to achieve connection between the wind wheels 32 and the motor 21. For air conditioners of different models, the number of wind wheels 32 required is also different, and in the existing fan assemblies, a plurality of wind wheels 32 are connected by using a wind wheel connecting shaft, so that the air conditioner is limited by the structure, different fan assemblies are required to be produced according to the different numbers of the wind wheels 32 so as to adapt to the use requirements of the air conditioners of different models, and the fan assemblies are small in application range and poor in universality.

As shown in fig. 1 and 2, an embodiment of the present invention provides a modular wind turbine structure, including a wind turbine module 3, the wind turbine module 3 includes:

The volute 31 adapted to be detachably connected with the mounting plate 1 in the air conditioner, and the volute 31 includes a volute body 312 and a volute end cover 313, the volute body 312 being detachably connected with the volute end cover 313;

a wind wheel 32 provided in the scroll casing 31;

And a connection shaft 33 penetrating the wind wheel 32 along the axis of the wind wheel 32 and fixed to the wind wheel 32;

And the connecting shaft 33 is adapted to be connected with the motor shaft 22 of the motor 21 or another connecting shaft 33.

In the present embodiment, one scroll case 31, one wind wheel 32, and one connection shaft 33 are taken as one wind wheel module 3, so that each wind wheel module 3 has one connection shaft 33, and the connection shaft 33 is disposed coaxially with the motor shaft 22 of the motor 21. In this way, when the fan assembly is provided with the plurality of wind wheel modules 3, the motor shaft 22 of the motor 21 and the plurality of connecting shafts 33 are coaxially arranged, so that the coaxiality of the wind wheels 32 and the motor 21 can be ensured, and the same rotating speed of each wind wheel 32 is ensured; meanwhile, the connection shaft 33 of each wind wheel module 3 may be connected with the connection shaft 33 of another wind wheel module 3 or the motor shaft 22 of the motor 21. Moreover, the volute 31 in the embodiment is divided into a volute body 312 and a volute end cover 313, the volute end cover 313 is located at the left end or the right end of the volute 31 and is detachably connected with the volute body 312, so that the volute 31 is in a left-right split structure, wherein an end of the volute 31 in the axial direction of the wind wheel 32 (i.e., the Y-axis direction in fig. 2) is the left end or the right end of the volute 31.

Therefore, when the number of wind wheels 32 in the fan assembly is required to be increased, only one wind wheel module 3 is required to be installed on the installation plate 1, and when the number of wind wheels 32 in the fan assembly is required to be reduced, only one wind wheel module 3 is required to be detached from the installation plate 1, and the whole fan assembly is not required to be replaced, so that the modularized wind wheel structure can be suitable for more air conditioners with different models, the application range and universality of the modularized wind wheel structure are effectively enlarged, and the production cost for developing new products is reduced; moreover, the spiral case 31 is left and right split structure, this compares with current spiral case 31 for spiral case 31 is about split structure for spiral case 31 does not have molded line direction split structure, can ensure that the molded line of spiral case 31 is complete, has optimized the wind channel structure of spiral case 31, simultaneously, the wind channel internal surface of spiral case 31 does not have gap or unevenness, thereby can prevent that the air current in the spiral case 31 from producing abnormal sound such as howling when flowing.

Further, a motor 21, a motor shaft 22 and a motor bracket 23 are used as a motor module 2, the motor bracket 23 is adapted to be detachably connected to the mounting plate 1, and the motor module 2 is adapted to be connected to the connecting shaft 33 of the wind wheel module 3 adjacent to the motor module 2 via the motor shaft 22.

In this way, when the fan assembly needs to be provided with a plurality of motors 21, the fan assembly can be realized by directly installing a plurality of motor modules 2 on the mounting plate 1, and a new product does not need to be developed, so that the production cost for developing the new product is further reduced.

Optionally, as shown in fig. 2, 4, 6 and 7, the end of the volute 31 in the axial direction of the wind wheel 32 is provided with a supporting rib 311, the supporting rib 311 is arranged on the volute body 312 and/or the volute end cover 313, and the connecting shaft 33 is provided with a limiting surface 331; the side surface of the supporting rib 311 facing the wind wheel 32 is attached to the limiting surface 331 to limit the axial movement of the connecting shaft 33 in the volute 31 along the connecting shaft 33.

In this embodiment, the supporting ribs 311 may be disposed only on the volute end cover 313, or may be disposed only on the side of the volute body 312 facing away from the volute end cover 313, or may be disposed on both the volute end cover 313 and the volute body 312, that is, by disposing the supporting ribs 311 on the left end and/or the right end of the volute 31 to support the left end or the right end of the volute 31, the left end or the right end of the volute 31 is prevented from collapsing due to lack of support, and the left end and/or the right end of the connecting shaft 33 is supported when the wind wheel 32 and the connecting shaft 33 are installed in the volute 31, so that the wind wheel 32 is prevented from falling into the volute 31 during installation of the wind wheel 32, and assembly is prevented from being affected; moreover, after one end of the connecting shaft 33 is connected with the motor shaft 22 of the motor 21, the other end of the connecting shaft 33 can be supported at the end of the volute 31 under the action of the supporting ribs 311, so that the connecting shaft 33 is prevented from shaking greatly when the motor 21 drives the connecting shaft 33 to rotate away from the end connected with the motor shaft 22. As shown in fig. 4, the limiting surface 331 on the connecting shaft 33 may be formed by providing shoulder structures at both ends of the connecting shaft 33, where the limiting surface 331 is an annular plane at the shoulder structure where the diameter of the connecting shaft 33 is suddenly changed; the limiting surface 331 on the connecting shaft 33 may be formed by providing a circle of boss structure at a position on the connecting shaft 33 corresponding to the supporting rib 311, where the limiting surface 331 is a side surface of the boss structure facing the supporting rib 311. And the side surfaces of the limit surface 331 and the support rib 311 facing the wind wheel 32 are parallel to each other, so that when the connecting shaft 33 extends from the left end and the right end of the volute 31, the limit surface 331 can be attached to the side surface of the support rib 311 facing the wind wheel 32, and the connecting shaft 33 is prevented from being separated from the volute 31 from the end part of the volute 31 along the axial direction of the connecting shaft 33, so that the connecting shaft 33 and the wind wheel 32 are prevented from moving along the axial direction of the connecting shaft 33 in the volute 31.

Optionally, as shown in fig. 2 and 3, the volute body 312 is provided with a buckle 3121, the volute end cover 313 is provided with a slot 3131 at a position corresponding to the buckle 3121, and/or the volute body 312 is provided with a slot 3131, and the volute end cover 313 is provided with a buckle 3121 at a position corresponding to the slot 3131; and the volute body 312 and the volute end cover 313 are clamped at the buckle 3121 and the clamping groove 3131.

In this embodiment, the plurality of the buckles 3121 and the slots 3131 are provided, which may be that the buckles 3121 are provided on the volute body 312 and the slots 3131 are provided on the volute end cover 313; a clamping groove 3131 may be provided on the volute body 312, and a buckle 3121 may be provided on the volute end cover 313; it is also possible to provide both the catch 3121 and the catch 3131 on the volute body 312 and the volute end cap 313. In this way, the volute body 312 and the volute end cover 313 are detachably connected through the clamping connection between the buckle 3121 and the clamping groove 3131, so that the structure is simple, the implementation is easy, and the disassembly and the assembly are convenient.

Optionally, as shown in fig. 2,3, 6 and 9, a spigot structure 314 is further disposed at the connection between the volute body 312 and the volute end cover 313, and the volute body 312 and the volute end cover 313 are connected in a sealing manner at the spigot structure 314.

In this embodiment, the connection between the volute body 312 and the volute end cover 313 is concave, that is, one end of the volute body 312 facing the volute end cover 313 is provided with a circle of groove along the molded line of the volute body 312, and one end of the volute end cover 313 connected with the volute body 312 extends towards the volute body 312 to form a circle of protrusion, the protrusion on the volute end cover 313 can be inserted into the groove on the volute body 312, and the end surface of the protrusion far away from the end connected with the volute end cover 313 and the lower end surface of the protrusion are abutted against the groove wall of the groove on the volute body 31, so that the protrusion on the volute end cover 313 is matched with the groove on the volute body 31 in a plugging manner to form a spigot structure 314, so that the volute body 312 and the end cover 313 are in a sealing connection at the spigot structure 314 in a plugging manner, thereby preventing air flow in the volute 31 from leaking from the connection between the volute body 312 and the volute end cover 313, and thus improving the air outlet efficiency of the fan.

Optionally, the connecting shaft 33 is integrally formed with the wind wheel 32. Like this, through design into integrated into one piece connecting axle 33 and wind wheel 32 for the connection between connecting axle 33 and the wind wheel 32 is more firm, moreover, sets up connecting axle 33 and wind wheel 32 into a monolithic structure, has reduced the spare part quantity of wind wheel module 3, thereby can further make things convenient for the change or increase and decrease operation to wind wheel module 3 in the fan subassembly.

Optionally, as shown in connection with fig. 5, the modular wind turbine structure further comprises a coupling 4, the connection shaft 33 is adapted to be connected with the motor shaft 22 via the coupling 4, and the connection shafts 33 of the plurality of wind turbine modules 3 may be connected to each other via the coupling 4.

In this embodiment, the coupling 4 may be disposed between the wind wheel module 3 and the motor module 2, for connecting the wind wheel module 3 and the motor module 2, or may be disposed between two adjacent wind wheel modules 3, for connecting two adjacent wind wheel modules 3, or may be disposed between the wind wheel module 3 and the motor module 2, and between two adjacent wind wheel modules 3. In this way, after the wind wheel modules 3 are connected with the motor module 2 through the coupler 4, and after two adjacent wind wheel modules 3 are connected through the coupler 4, the wind wheels 32 of the plurality of wind wheel modules 3 are connected with the motor shaft 22 of the motor module 2 through the connecting shafts 33, and the plurality of connecting shafts 33 are coaxially arranged with the motor shaft 22, so that energy loss in a transmission process (namely, a process that the motor 21 drives the wind wheels 32 through the coupler 4) is reduced, and meanwhile, the motor 21 and the plurality of wind wheels 32 can keep the same rotating speed conveniently, so that the air output of the air duct machine is ensured; moreover, the arrangement of the shaft coupling 4 enables the connection between the wind wheel modules 3 and the motor modules 2 or between two adjacent wind wheel modules 3 to be disconnected only by disconnecting the connection shaft 33 (or the motor shaft 22) from the shaft coupling 4, thereby facilitating the disassembly and the installation of the modularized fan structure.

Alternatively, as shown in fig. 11 and 12, both ends of the connection shaft 33 are respectively provided with a first fixing plane 332, and the coupling 4 and the connection shaft 33 are fixed at the first fixing plane 332 by a fastener; and/or, the two ends of the motor shaft 22 are respectively provided with a second fixing plane 221, and the coupler 4 and the motor shaft 22 are fixed at the second fixing planes 221 through fasteners.

In this embodiment, mounting holes are formed at both ends of the coupling 4, after the end portions of the connecting shaft 33 are fitted into the coupling 4, fastening members such as screws or bolts are screwed into the mounting holes in the coupling 4 to fixedly connect the coupling 4 to the connecting shaft 33, and similarly, after the end portion of the motor shaft 22 is fitted into the coupling 4, fastening members such as screws or bolts are screwed into the mounting holes in the coupling 4 to fixedly connect the coupling 4 to the motor shaft 22. Specifically, the connecting shaft 33 and the motor shaft 22 are cylindrical, so as to reduce resistance during rotation, two ends of the connecting shaft 33 are respectively provided with a first fixing plane 332, the first fixing planes 332 are parallel to the axis of the connecting shaft 33, one or more first fixing planes 332 positioned on the connecting shaft 33 are provided with a cylindrical coupling 4, two ends of the coupling 4 are respectively provided with a first accommodating cavity and a second accommodating cavity which are respectively used for accommodating the connecting shaft 33 and the motor shaft 22, the shape of the first accommodating cavity is matched with the shape of one end of the connecting shaft 33 in the first accommodating cavity, so that after one end of the connecting shaft 33 is accommodated in the coupling 4, the connecting shaft 33 and the coupling 4 cannot rotate relatively, and the connecting shaft 33 and the coupling 4 are guaranteed to have the same rotation speed; similarly, the two ends of the motor shaft 22 are respectively provided with a second fixing plane 221, the second fixing planes 221 are parallel to the axis of the motor shaft 22, and one or more second fixing planes 221 positioned on the motor shaft 22 are arranged, the shape of the second accommodating cavity of the coupler 4 is matched with the shape of one end of the motor shaft 22, which is arranged in the second accommodating cavity, so that after one end of the motor shaft 22 is arranged in the coupler 4, relative rotation between the motor shaft 22 and the coupler 4 is avoided, and the motor shaft 22 and the coupler 4 are guaranteed to have the same rotation speed, and the motor shaft 22 and the connecting shaft 33 are enabled to have the same rotation speed.

In this way, by providing the first fixing plane 332 so that the end of the fastener abutting the connecting shaft 33 makes surface-to-surface contact with the connecting shaft 33 at the first fixing plane 332, the contact area between the fastener and the connecting shaft 33 can be increased, and the relative rotation between the fastener and the connecting shaft 33 can be prevented, thereby ensuring the stability in connection between the connecting shaft 33 and the coupling 4; by providing the second fixing plane 221 so that one end of the fastener abutting against the motor shaft 22 is in surface-to-surface contact with the motor shaft 22 at the second fixing plane 221, the contact area between the fastener and the motor shaft 22 can be increased, and relative rotation between the fastener and the motor shaft 22 can be prevented, thereby ensuring stability in connection between the connecting shaft 33 and the coupling 4.

Alternatively, as shown in fig. 6 and 10, the wind wheel 32 includes a hub 322, blades 321 disposed on the hub 322, and a shaft sleeve 323 disposed in the hub 322 and sleeved on the connection shaft 33, and the connection shaft 33 passes through the shaft sleeve 323 and extends from both ends of the wind wheel 32.

In this embodiment, the connecting shaft 33 and the wind wheel 32 are not integrally formed, but are fixed to the hub 322 of the wind wheel 32 through the boss 323. Specifically, the blades 321 of the wind wheel 32 are disposed parallel to the axial direction of the wind wheel 32 and evenly distributed around the hub 322, and the shaft sleeve 323 is embedded in the hub 322, and the connecting shaft 33 passes through the shaft sleeve 323 and protrudes from both ends of the wind wheel 32, so that the connecting shaft 33 is connected with the motor shaft 22 of the motor 21 or the connecting shaft 33 of another wind wheel module 3. In this way, by providing the boss 323 in the hub 322 and fitting the boss 323 around the connection shaft 33, when the hub 322 and the connection shaft 33 are relatively rotated due to a loose connection, the connection shaft 33 can be prevented from being worn out by direct contact with the hub 322, and the connection shaft 33 can be protected.

Alternatively, as shown in fig. 6 and 9, a first positioning structure is provided between the hub 322 and the sleeve 323, the first positioning structure being adapted to limit the axial movement of the sleeve 323 within the hub 322 along the sleeve 323; and/or a second positioning structure is provided between the sleeve 323 and the connecting shaft 33, the second positioning structure being adapted to limit the axial movement of the connecting shaft 33 within the sleeve 323 along the connecting shaft 33.

In this embodiment, by providing the first positioning structure between the hub 322 and the hub 323 to limit the axial movement of the hub 323 in the hub 322 along the hub 323, on one hand, the hub 323 can be prevented from being separated from the hub 322 when rotating along with the connecting shaft 33, and on the other hand, the hub 323 and the hub 322 can be prevented from rotating relatively; by providing the second positioning structure between the hub 323 and the connecting shaft 33, the axial movement of the connecting shaft 33 along the connecting shaft 33 in the hub 323 is limited, and the relative rotation between the hub 323 and the connecting shaft 33 and the axial translation along the connecting shaft 33 are prevented, so that the stability of the connection between the hub 322 and the hub 323 and/or the hub 323 and the connecting shaft 33 is ensured.

Alternatively, as shown in conjunction with fig. 6 and 9, the first positioning structure is a first positioning protrusion 324 and a first positioning groove 325; the first positioning protrusion 324 is disposed on the hub 322, the first positioning groove 325 is disposed on the sleeve 323, and/or the first positioning groove 325 is disposed on the hub 322, the first positioning protrusion 324 is disposed on the sleeve 323; and the first positioning protrusion 324 is clamped with the first positioning groove 325.

In the present embodiment, the first positioning protrusion 324 and the first positioning groove 325 are provided between the hub 322 and the hub 323 to prevent the hub 323 from being separated from the hub 322 when the hub 323 rotates with the connection shaft 33, and at the same time, to prevent relative rotation between the hub 323 and the hub 322.

Alternatively, as shown in fig. 6 and 9, the second positioning structure is a second positioning protrusion 333 and a second positioning groove 326; the second positioning protrusion 333 is disposed on the connection shaft 33, the second positioning groove 326 is disposed on the shaft sleeve 323, and/or the second positioning groove 326 is disposed on the connection shaft 33, and the second positioning protrusion 333 is disposed on the shaft sleeve 323; and the second positioning protrusion 333 is engaged with the second positioning groove 326.

In this embodiment, the second positioning protrusion 333 and the second positioning groove 326 are disposed between the shaft sleeve 323 and the connecting shaft 33 to prevent the relative rotation between the shaft sleeve 323 and the connecting shaft 33 and the axial translation along the connecting shaft 33, so as to improve the stability of the motor 21 when driving the motor shaft 22 and further driving the connecting shaft 33 to rotate.

The invention also provides an air conditioner for solving the problem of how to improve the universality of the fan assembly, and the air conditioner comprises any modularized wind wheel structure.

The air conditioner in this embodiment is configured by using one scroll casing 31, one wind wheel 32, and one connection shaft 33 as one wind wheel module 3, such that each wind wheel module 3 has one connection shaft 33, and the connection shaft 33 is disposed coaxially with the motor shaft 22 of the motor 21. In this way, when the fan assembly is provided with the plurality of wind wheel modules 3, since the motor shaft 22 of the motor 21 and the plurality of connecting shafts 33 are coaxially arranged, the coaxiality of the wind wheels 32 and the motor 21 can be ensured, and thus, the same rotation speed of each wind wheel 32 can be ensured. Meanwhile, the connection shaft 33 of each wind wheel module 3 may be connected with the connection shaft 33 of another wind wheel module 3 or the motor shaft 22 of the motor 21. Therefore, when the number of wind wheels 32 in the modularized fan structure is required to be increased, only one wind wheel module 3 is required to be installed on the installation plate 1, and when the number of wind wheels 32 in the modularized fan structure is required to be reduced, only one wind wheel module 3 is required to be detached from the installation plate 1, and the whole fan assembly is not required to be replaced, so that the modularized fan structure can be suitable for more air conditioners of different types, the application range and universality of the modularized fan structure are effectively expanded, and the production cost for developing new products is reduced; moreover, the spiral case 31 is left and right split structure, this compares with current spiral case 31 for spiral case 31 is about split structure for spiral case 31 does not have molded line direction split structure, can ensure that the molded line of spiral case 31 is complete, has optimized the wind channel structure of spiral case 31, simultaneously, the wind channel internal surface of spiral case 31 does not have gap or unevenness, thereby can prevent that the air current in the spiral case 31 from producing abnormal sound such as howling when flowing.

Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the invention, and the scope of the invention should be assessed accordingly to that of the appended claims.

Claims (11)

1. A modular wind rotor structure comprising a wind rotor module (3), the wind rotor module (3) comprising:

A volute (31) adapted to be detachably connected to a mounting plate (1) within an air conditioner, and the volute (31) comprises a volute body (312) and a volute end cover (313), the volute body (312) being detachably connected to the volute end cover (313);

a wind wheel (32) disposed within the volute (31);

And a connecting shaft (33) penetrating the wind wheel (32) along the axis of the wind wheel (32) and fixed to the wind wheel (32);

And said connecting shaft (33) is adapted to be connected to the motor shaft (22) of the motor (21) or to another said connecting shaft (33);

a buckle (3121) is arranged on the volute body (312), a clamping groove (3131) is arranged at a position on the volute end cover (313) corresponding to the buckle (3121), and/or the clamping groove (3131) is arranged on the volute body (312), and the buckle (3121) is arranged at a position on the volute end cover (313) corresponding to the clamping groove (3131); and the volute body (312) and the volute end cover (313) are clamped with the clamping groove (3131) through the clamp buckle (3121).

2. A modular wind wheel structure according to claim 1, characterized in that the end of the volute (31) in the axial direction of the wind wheel (32) is provided with a supporting rib (311), the supporting rib (311) is arranged on the volute body (312) and/or the volute end cover (313), and the connecting shaft (33) is provided with a limiting surface (331); the side surface of the supporting rib (311) facing one side of the wind wheel (32) is attached to the limiting surface (331) so as to limit the connecting shaft (33) to move in the volute (31) along the axial direction of the connecting shaft (33).

3. A modular wind wheel structure according to claim 1, wherein a spigot structure (314) is further provided at the junction of the volute body (312) and the volute end cover (313), and the volute body (312) and the volute end cover (313) are sealingly connected at the spigot structure (314).

4. A modular wind rotor structure according to claim 1, wherein said connection shaft (33) is integrally formed with said wind rotor (32).

5. A modular wind turbine structure according to any of claims 1-3, further comprising a coupling (4), said connection shaft (33) being adapted to be connected with said motor shaft (22) by means of said coupling (4), and said connection shaft (33) of an adjacent wind turbine module (3) being adapted to be connected by means of said coupling (4).

6. A modular wind rotor structure according to claim 5, wherein the two ends of the connection shaft (33) are provided with a first fixing plane (332), respectively, and the coupling (4) and the connection shaft (33) are fixed at the first fixing plane (332) by means of fasteners; and/or the two ends of the motor shaft (22) are respectively provided with a second fixing plane (221), and the coupler (4) and the motor shaft (22) are fixed at the second fixing planes (221) through fasteners.

7. A modular wind rotor structure according to any of claims 1-3, wherein the wind rotor (32) comprises a hub (322), blades (321) arranged on the hub (322), and a sleeve (323) arranged in the hub (322) and sleeved on the connecting shaft (33), the connecting shaft (33) passing through the sleeve (323) and protruding from both ends of the wind rotor (32).

8. A modular wind rotor structure according to claim 7, wherein a first positioning structure is provided between the hub (322) and the hub (323), said first positioning structure being adapted to limit axial movement of the hub (323) within the hub (322) along the hub (323); and/or a second positioning structure is arranged between the shaft sleeve (323) and the connecting shaft (33), and the second positioning structure is suitable for limiting the axial movement of the connecting shaft (33) in the shaft sleeve (323) along the connecting shaft (33).

9. The modular wind rotor structure according to claim 8, wherein the first positioning structure is a first positioning protrusion (324) and a first positioning groove (325); the first positioning protrusion (324) is arranged on the hub (322), the first positioning groove (325) is arranged on the shaft sleeve (323), and/or the first positioning groove (325) is arranged on the hub (322), and the first positioning protrusion (324) is arranged on the shaft sleeve (323); and the first positioning protrusion (324) is clamped with the first positioning groove (325).

10. A modular wind rotor structure according to claim 8 or 9, wherein the second positioning structure is a second positioning protrusion (333) and a second positioning groove (326); the second positioning protrusion (333) is arranged on the connecting shaft (33), the second positioning groove (326) is arranged on the shaft sleeve (323), and/or the second positioning groove (326) is arranged on the connecting shaft (33), and the second positioning protrusion (333) is arranged on the shaft sleeve (323); and the second positioning protrusion (333) is clamped with the second positioning groove (326).

11. An air conditioner comprising a modular wind wheel structure according to any one of claims 1-10.