CN115234996A - Air conditioner outdoor unit and air conditioner - Google Patents

Abstract

The invention relates to the technical field of air conditioning equipment, in particular to an air conditioning outdoor unit and an air conditioner, and aims to solve the problem of serious energy waste of a structure in which two fans are driven to operate by one motor in the conventional air conditioning outdoor unit. Therefore, the outdoor unit of the air conditioner comprises a shell, a heat exchanger, a first fan, a second fan, a motor and a transmission device, wherein the motor is connected with the transmission device and can drive the transmission device to rotate, and the transmission device is arranged to be capable of driving the first fan and the second fan to rotate simultaneously when in a first transmission state and being capable of releasing the driving connection with the second fan to drive only the first fan to rotate when in a second transmission state. Under the general condition, the transmission device is in the second transmission state, the motor only drives the first fan to operate, the second fan does not operate, unnecessary waste can be avoided, energy is saved, and when the two fans need to operate simultaneously, the transmission device is switched to the first transmission state.

Description

Air conditioner outdoor unit and air conditioner

Technical Field

The invention relates to the technical field of air conditioning equipment, and particularly provides an air conditioner outdoor unit and an air conditioner.

Background

Split type air conditioner is one of air conditioner, comprises indoor set and off-premises station, installs respectively at indoor and outdoor, and the centre passes through pipeline and connection of electric lines, and the off-premises station of air conditioner includes fan, heat exchanger and compressor, and along with the popularization of air conditioner, intelligent air conditioner receives consumer's favor more and more.

The existing outdoor unit of the air conditioner is generally provided with only one fan, when the outdoor unit of the air conditioner meets certain special weather, one fan is not enough to timely exhaust the heat of an outdoor heat exchanger, so that the heat exchange efficiency of the outdoor heat exchanger is low, in order to improve the heat exchange efficiency of the outdoor heat exchanger, two fans are installed on the outdoor unit of part of the air conditioner, and in order to reduce the cost, only one motor is arranged to drive the two fans to operate simultaneously.

However, in general, only one fan is required to operate, and two fans operating simultaneously would be unnecessarily wasteful.

Therefore, there is a need in the art for a new solution to the above problems.

Disclosure of Invention

The present invention is directed to solving the above-mentioned problems, that is, solving the problem of serious energy waste in the conventional air conditioner outdoor unit in which two fans are driven by one motor to operate at the same time.

In a first aspect, the present invention provides an outdoor unit of an air conditioner, including a casing, and a heat exchanger, a first fan, a second fan, a motor, and a transmission device disposed in the casing, wherein the first fan and the second fan are disposed opposite to each other, the motor is connected to the transmission device and can drive the transmission device to rotate, the transmission device is configured to simultaneously drive the first fan and the second fan to rotate when the transmission device is in a first transmission state, and the transmission device is further configured to release a driving connection with the second fan so as to drive only the first fan to rotate when the transmission device is in a second transmission state.

In the above-mentioned preferred technical solution of the outdoor unit of an air conditioner, the transmission device includes a first rotating shaft and a second rotating shaft connected to the motor, and a connecting mechanism installed on the second rotating shaft, the motor can drive the first rotating shaft and the second rotating shaft to rotate at the same time, the first rotating shaft is fixedly connected to the first fan to drive the first fan to rotate, one end of the second rotating shaft passes through the second fan and can rotate relative to the second fan, the connecting mechanism can rotate along with the second rotating shaft, the connecting mechanism is configured to be movable toward the second fan along an axial direction of the second rotating shaft to connect with the second fan so that the second fan can rotate along with the second rotating shaft, and the connecting mechanism is further configured to be movable away from the second fan along the axial direction of the second rotating shaft to separate from the second fan.

In an embodiment of the outdoor unit of the air conditioner, the connection mechanism includes an electromagnetic member and a connection assembly respectively located on two sides of the second fan, the electromagnetic member is fixedly connected to the second rotating shaft, the connection assembly can move along an axis direction of the second rotating shaft, a magnetic attraction force can be generated between the electromagnetic member and the connection assembly to enable the connection assembly to move along the axis direction of the second rotating shaft toward the second fan, the electromagnetic member and the connection assembly have the magnetic attraction force therebetween, the connection assembly is connected to the second fan to drive the second fan to rotate, and the connection assembly is separated from the second fan when the magnetic attraction force between the electromagnetic member and the connection assembly disappears.

In the preferred technical scheme of the outdoor unit of the air conditioner, the connection assembly includes a connection sleeve and an elastic reset member, the connection sleeve is sleeved on the second rotating shaft, the connection sleeve can slide along the axis direction of the second rotating shaft, a first limit guide structure is arranged on the wall of the connection sleeve, a second limit guide structure is arranged on the second rotating shaft, the first limit guide structure and the second limit guide structure are matched to enable the connection sleeve to rotate along with the second rotating shaft and to guide the connection sleeve in the process that the connection sleeve slides along the second rotating shaft, a first connection structure is arranged on the connection sleeve, a second connection structure is arranged on the second fan, the electromagnetic member can generate attraction force on the connection sleeve, the connection sleeve can slide towards the second fan along the axis direction of the second rotating shaft under the action of the attraction force of the electromagnetic member, so that the first connection structure is connected with the second connection structure in an inserting manner to enable the second fan to rotate along with the connection sleeve, and two ends of the elastic reset member are respectively fixedly connected with the connection sleeve and the second rotating shaft, so that the connection sleeve and the second connection sleeve can drive the sliding connection structure of the second fan along the axis direction of the second rotating shaft to remove the attraction force of the connection sleeve.

In an embodiment of the outdoor unit of an air conditioner, a guide structure is disposed on the connection sleeve or the second fan, and the guide structure is located between the first connection structure and the second connection structure and connected to the first connection structure or the second connection structure, so that the first connection structure can be smoothly inserted into the second connection structure when the connection sleeve slides toward the second fan along an axis of the second rotation shaft.

In the above-mentioned outdoor unit of an air conditioner, the first connecting structure includes a plurality of openings formed at an end portion of the connecting sleeve close to the second fan, the plurality of openings are distributed at intervals in a circumferential direction of the connecting sleeve, the second connecting structure includes a plurality of connecting plates provided at the second fan, the connecting plates are insertable into the openings, the guide structure includes a plurality of guide ports formed at an end portion of the connecting sleeve close to the second fan, a rear end of each of the guide ports is connected to a front end of the corresponding opening, and a width of each of the guide ports increases in a direction away from the opening.

In the preferable technical scheme of above-mentioned air condensing units, first spacing guide structure includes that a plurality of settings are in just follow on the inside wall of connecting sleeve the bar groove that the axis direction of connecting sleeve extends, it is a plurality of the bar groove is followed connecting sleeve's circumference interval distribution, the spacing guide structure of second includes that a plurality of settings are in the second pivot and along the bar muscle that the axis direction of second pivot extends, it is a plurality of the bar muscle is followed the circumference interval distribution of second pivot, the bar groove with bar muscle looks adaptation.

In a preferred technical solution of the above air conditioner outdoor unit, the first fan is located at one side of the heat exchanger, and the second fan is located at the other side of the heat exchanger.

In the preferable technical scheme of the air conditioner outdoor unit, the heat exchanger includes a first heat exchanging portion, a second heat exchanging portion and a third heat exchanging portion, the first heat exchanging portion and the third heat exchanging portion are arranged in parallel, the second heat exchanging portion is located between the first heat exchanging portion and the third heat exchanging portion and is respectively and vertically connected with the first heat exchanging portion and the third heat exchanging portion, the first fan is located at one side of the second heat exchanging portion, the second fan is located at the other side of the second heat exchanging portion, the number of the air inlets on the casing is 3, and the air inlets are respectively and correspondingly arranged with the first heat exchanging portion, the second heat exchanging portion and the third heat exchanging portion.

In a second aspect, the present invention provides an air conditioner, which includes the above described air conditioner outdoor unit.

Under the condition of adopting the technical scheme, the air conditioner outdoor unit comprises a shell, and a heat exchanger, a first fan, a second fan, a motor and a transmission device which are arranged in the shell, wherein the first fan and the second fan are oppositely arranged, the motor is connected with the transmission device and can drive the transmission device to rotate, and the transmission device is arranged to be capable of simultaneously driving the first fan and the second fan to rotate when being in a first transmission state and capable of releasing the driving connection with the second fan so as to only drive the first fan to rotate when being in a second transmission state. Through such setting, under general condition, can make transmission be in the second transmission state, the first fan operation of motor drive only, the second fan does not operate to can avoid producing unnecessary extravagant, the energy saving, when needs two fans operation simultaneously, switch transmission to first transmission state, the first fan of motor drive simultaneously and the second fan operation simultaneously, guarantee outdoor heat exchanger's heat exchange efficiency.

Further, transmission includes the first pivot and the second pivot of being connected with the motor and installs the coupling mechanism in the second pivot, the motor can drive first pivot and second pivot simultaneously and rotate, first pivot and first fan fixed connection are in order to drive first fan and rotate, the one end of second pivot passes the second fan and can rotate for the second fan, coupling mechanism can rotate along with the second pivot, coupling mechanism can also move towards the second fan along the axis direction of second pivot and so as to be connected with the second fan and make the second fan rotate along with the second pivot to and keep away from the second fan along the axis direction of second pivot and remove in order to separate with the second fan. Through the arrangement, the transmission device is simple in structure and convenient to mount and arrange.

Still further, coupling mechanism includes electromagnetic component and coupling assembling that is located the second fan both sides respectively, electromagnetic component and second pivot fixed connection, coupling assembling can move along the axis direction of second pivot, can produce magnetic attraction between electromagnetic component and the coupling assembling so that coupling assembling can move towards the second fan along the axis direction of second pivot, electromagnetic component and coupling assembling are connected with the second fan in order to drive the second fan rotation under the condition that has magnetic attraction between electromagnetic component and the coupling assembling, coupling assembling and second fan separation under the condition that magnetic attraction between electromagnetic component and the coupling assembling disappears. Through such setting, realize the electromagnetism component with the help of the magnetic attraction between electromagnetism component and the coupling assembling that coupling assembling is connected with the second fan and make the motor drive the second fan and rotate, through making the magnetic attraction between electromagnetism component and the coupling assembling disappear, can make coupling assembling and second fan separation realize that the motor only drives first fan and rotate, avoided the use of fastener, it is more convenient to make the running state's of fan switch, further promote user's use and experience.

Still further, the connection assembly comprises a connection sleeve and an elastic reset component, the connection sleeve is sleeved on the second rotating shaft and can slide along the axis direction of the second rotating shaft, a first limit guide structure is arranged on the cylinder wall of the connection sleeve, a second limit guide structure is arranged on the second rotating shaft, the first limit guide structure and the second limit guide structure are matched to enable the connection sleeve to rotate along with the second rotating shaft and to guide the connection sleeve in the sliding process of the connection sleeve along the second rotating shaft, a first connection structure is arranged on the connection sleeve, a second connection structure is arranged on the second fan, the electromagnetic component can generate attraction force on the connection sleeve, the connection sleeve can slide towards the second fan along the axis direction of the second rotating shaft under the action of the attraction force of the electromagnetic component, so that the first connection structure is connected with the second connection structure in an inserting mode, the second fan rotates along with the connection sleeve, and two ends of the elastic reset component are fixedly connected with the connection sleeve and the second rotating shaft respectively, so that the connection sleeve is driven to move away from the second fan along the axis direction of the second rotating shaft after the attraction force on the connection sleeve is released, and the connection sleeve can slide away from the second fan along the axis direction of the second rotating shaft, so that the first connection structure and the second connection structure can slide with the second connection structure. The elastic reset component is arranged, so that when the magnetic attraction force between the electromagnetic component and the connecting sleeve disappears, the elastic reset component can drive the connecting sleeve to move towards the direction away from the second fan, and the connecting sleeve is separated from the second fan; on the other hand, when magnetic attraction is generated between the electromagnetic component and the connecting sleeve, the connecting sleeve can move along the axis direction of the second rotating shaft, and the second fan can rotate along the second rotating shaft by enabling the connecting sleeve and the first connecting structure and the second connecting structure arranged on the second fan to be mutually inserted.

Still further, a guiding structure is arranged on the connecting sleeve or the second fan, and the guiding structure is located between the first connecting structure and the second connecting structure and connected with the first connecting structure or the second connecting structure, so that the first connecting structure can be smoothly inserted into the second connecting structure in the process that the connecting sleeve slides towards the second fan along the axial direction of the second rotating shaft. Through such setting, under guide structure's effect, can make connecting sleeve realize first connection structure and second connection structure's smooth grafting towards the gliding in-process of direction of second fan when the second pivot rotates to need not to make second pivot stall and can realize that the second fan follows the rotation of second pivot, further promote user's use and experience.

Still further, the first connection structure includes a plurality of openings formed at an end portion of the connection sleeve near the second fan, the plurality of openings are distributed at intervals along a circumferential direction of the connection sleeve, the second connection structure includes a plurality of connection plates disposed on the second fan, the connection plates can be inserted into the openings, the guide structure includes a plurality of guide ports formed at an end portion of the connection sleeve near the second fan, tail ends of the guide ports are connected with front ends of corresponding openings, and widths of the guide ports become larger along a direction away from the openings. With such an arrangement, when the connecting plate on the second fan contacts with the inner wall of the guide opening, the guide opening can guide the connecting plate to slide into the opening, so that the connecting plate can be smoothly inserted into the opening.

Still further, first spacing guide structure includes a plurality of setting on adapter sleeve's inside wall and along the bar groove that adapter sleeve's axis direction extends, and a plurality of bar grooves are along adapter sleeve's circumference interval distribution, and the spacing guide structure of second includes a plurality of setting in the second pivot and along the bar muscle of the axis direction extension of second pivot, and a plurality of bar muscle are along the circumference interval distribution of second pivot, bar groove and bar muscle looks adaptation. Through the arrangement, on one hand, the strip-shaped ribs are clamped into the strip-shaped grooves, so that the connecting sleeve can rotate along with the second rotating shaft, and the elastic resetting member is prevented from being wound on the second rotating shaft; on the other hand, the strip-shaped grooves slide along the strip-shaped ribs, so that the connecting sleeve is guided in the process of sliding along the axis direction of the second rotating shaft.

Still further, the heat exchanger includes first heat transfer portion, second heat transfer portion and third heat transfer portion, first heat transfer portion and third heat transfer portion parallel arrangement, the second heat transfer portion is located between first heat transfer portion and the third heat transfer portion and respectively with first heat transfer portion and third heat transfer portion perpendicular connection, first fan is located one side of second heat transfer portion, the second fan is located the opposite side of second heat transfer portion, the quantity of the air intake on the casing is 3 and respectively with first heat transfer portion, second heat transfer portion and third heat transfer portion corresponding arrangement. Through the arrangement, on one hand, the heat exchanger is arranged into the first heat exchanging part, the second heat exchanging part and the third heat exchanging part, so that the heat exchanging area of the heat exchanger can be increased, and the heat exchanging efficiency of the air conditioner outdoor unit is improved; on the other hand, the number of the air inlets is set to be 3, and the air inlets are respectively arranged corresponding to the first heat exchanging part, the second heat exchanging part and the third heat exchanging part, so that the air inlet area and the heat exchanging area can be increased, and the heat exchanging efficiency of the air conditioner outdoor unit is improved.

In addition, on the basis of the technical scheme, the air conditioner further comprises the air conditioner outdoor unit, and further has the technical effects of the air conditioner outdoor unit.

Drawings

Preferred embodiments of the present invention are described below with reference to the accompanying drawings, in which:

fig. 1 is a first schematic perspective view of an outdoor unit of an air conditioner according to the present invention;

fig. 2 is a schematic perspective view of an outdoor unit of an air conditioner according to a second embodiment of the present invention;

fig. 3 is a schematic top view of an outdoor unit of an air conditioner according to the present invention;

fig. 4 is a schematic view illustrating an assembly structure of a heat exchanger, a motor, a first fan and a second fan of an outdoor unit of an air conditioner according to the present invention;

fig. 5 is a schematic view illustrating an assembly structure of a motor, a transmission, a first fan and a second fan of an outdoor unit of an air conditioner according to the present invention;

FIG. 6 is an enlarged view of a portion of FIG. 5 at A;

FIG. 7 is a schematic view of the cylindrical housing and nut shown in FIG. 6, shown hidden;

FIG. 8 is a first schematic view of the construction of the motor and coupling sleeve of the present invention;

fig. 9 is a partial enlarged view at B in fig. 8;

FIG. 10 is a second schematic structural view of the motor and coupling sleeve of the present invention;

fig. 11 is a partial enlarged view at C in fig. 10.

List of reference numerals:

1. a housing; 11. an air inlet; 12. an air outlet; 2. a heat exchanger; 21. a first heat exchanging portion; 22. a second heat exchanging portion; 23. a third heat exchanging portion; 31. a first fan; 32. a second fan; 321. a second connecting structure; 4. a motor; 41. a first rotating shaft; 42. a second rotating shaft; 421. a bar-shaped rib; 43. a motor bracket; 51. an electromagnetic member; 521. a connecting sleeve; 5211. a strip plate; 5212. a strip-shaped groove; 5213. a first connecting structure; 5214. a guide structure; 522. an elastic return member; 6. a cylindrical housing; 61. a nut; 7. a compressor.

Detailed Description

Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention.

It should be noted that in the description of the present invention, the terms "inside", "outside", and the like, which indicate directions or positional relationships, are based on the directions or positional relationships shown in the drawings, which are for convenience of description only, and do not indicate or imply that the devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1 to 4, fig. 1 is a first perspective view of an outdoor unit of an air conditioner of the present invention, fig. 2 is a second perspective view of the outdoor unit of the air conditioner of the present invention, fig. 3 is a top view of the outdoor unit of the air conditioner of the present invention, and fig. 4 is an assembly view of a heat exchanger, a motor, a first fan and a second fan of the outdoor unit of the air conditioner of the present invention.

As shown in fig. 1 to 4, the outdoor unit of an air conditioner of the present invention includes a casing 1, a heat exchanger 2 disposed in the casing 1, a first fan 31, a second fan 32, a motor 4, and a transmission device, wherein the first fan 31 and the second fan 32 are disposed opposite to each other, the motor 4 is connected to the transmission device and can drive the transmission device to rotate, and the transmission device is configured to simultaneously drive the first fan 31 and the second fan 32 to rotate when the transmission device is in a first transmission state and to release the drive connection with the second fan 32 to drive only the first fan 31 to rotate when the transmission device is in a second transmission state.

That is, the transmission device of the present invention has two transmission states, i.e., the first transmission state and the second transmission state, which can be freely switched.

When the transmission is in the first transmission state, the driving force of the motor 4 can be transmitted to the first fan 31 and the second fan 32 at the same time, that is, the motor 4 can drive the first fan 31 and the second fan 32 to rotate at the same time.

When the transmission is in the second transmission state, the driving force of the motor 4 is transmitted only to the first fan 31, i.e., the motor 4 drives only the first fan 31 to rotate, and the second fan 32 does not rotate.

It should be noted that, in practical applications, a person skilled in the art may set the shape of the heat exchanger 2 to be L-shaped in cross section, or may set the shape of the heat exchanger 2 to be Z-shaped in cross section, or may set the shape of the heat exchanger 2 to be other possible forms, and so on, and such adjustment and change to the specific setting shape of the heat exchanger 2 without departing from the principle and scope of the present invention should be included in the protection scope of the present invention.

Preferably, as shown in fig. 1 to 4, the housing 1 has an air inlet 11 and an air outlet 12, the heat exchanger 2 includes a first heat exchanging portion 21, a second heat exchanging portion 22 and a third heat exchanging portion 23, the first heat exchanging portion 21 and the third heat exchanging portion 23 are arranged in parallel, the second heat exchanging portion 22 is located between the first heat exchanging portion 21 and the third heat exchanging portion 23 and is respectively vertically connected with the first heat exchanging portion 21 and the third heat exchanging portion 23, the first fan 31 is located at one side of the second heat exchanging portion 22, the second fan 32 is located at the other side of the second heat exchanging portion 22, the number of the air inlets 11 on the housing 1 is 3 and is respectively arranged corresponding to the first heat exchanging portion 21, the second heat exchanging portion 22 and the third heat exchanging portion 23.

With such an arrangement, on the one hand, the heat exchanger 2 is provided with the first heat exchanging part 21, the second heat exchanging part 22 and the third heat exchanging part 23, so that the heat exchange area of the heat exchanger 2 can be increased, and the heat exchange efficiency of the outdoor unit of the air conditioner can be improved; on the other hand, the number of the air inlets 11 is set to 3 and the air inlets are respectively arranged corresponding to the first heat exchanging portion 21, the second heat exchanging portion 22 and the third heat exchanging portion 23, so that the air inlet area and the heat exchanging area can be increased, and the heat exchanging efficiency of the air conditioner outdoor unit can be improved.

It should be noted that, in practical applications, a person skilled in the art may set the shape of the housing 1 to be rectangular in cross section, or may set the shape of the housing 1 to be L-shaped in cross section, etc., and such adjustment and change to the specific set shape of the housing 1 without departing from the principle and scope of the present invention should be included in the protection scope of the present invention.

Preferably, as shown in fig. 1 to 3, the housing 1 is shaped to have an L-shaped cross section.

Through the arrangement, on one hand, an installation space can be provided for the compressor 7 or an electric control module (not shown in the figure), and the space in the air conditioner outdoor unit is saved; on the other hand, the L-shaped casing 1 can be provided with the air inlet 11, and the air inlet 11 and the heat exchanger 2 are arranged correspondingly, so that the heat exchange efficiency of the air conditioner outdoor unit is improved.

It should be noted that, in practical applications, the number of the air inlets 11 is not limited to 3, for example, the number of the air inlets 11 may also be set to 2, or the number of the air inlets 11 may also be set to 1, etc., and such adjustment and change to the specific number of the air inlets 11 without departing from the principle and scope of the present invention should be included in the protection scope of the present invention. It is of course preferred to set the number of the air intakes 11 to 3.

It should be noted that, in practical applications, the first fan 31 and the second fan 32 are not limited to be disposed on two sides of the heat exchanger 2, for example, the first fan 31 and the second fan 32 may be disposed on the same side of the heat exchanger 2, and so on, and such adjustment and change of the specific disposition positions of the first fan 31 and the second fan 32 without departing from the principle and scope of the present invention should be included in the protection scope of the present invention. It is of course preferred that the first fan 31 and the second fan 32 are respectively provided on both sides of the heat exchanger 2.

It should be noted that, in practical applications, a person skilled in the art may set the axes of the first fan 31 and the second fan 32 on the same straight line, or may set the axes of the first fan 31 and the second fan 32 parallel to each other and not on the same straight line, etc., and such flexible adjustment and changes do not depart from the principle and scope of the present invention and are included in the protection scope of the present invention.

Preferably, the axes of the first fan 31 and the second fan 32 are disposed on the same straight line.

It should be noted that, in practical applications, a person skilled in the art may set the connection between the motor 4 and the transmission device such that the transmission device is directly driven by the motor 4 to rotate, or may set the motor 4 to drive the gear set to rotate, the gear set to drive the transmission device to rotate, etc., and such flexible adjustment and changes do not depart from the principle and scope of the present invention and are included in the protection scope of the present invention.

Referring next to fig. 5 to 11, fig. 5 is a schematic view illustrating an assembly structure of a motor, a transmission, a first fan and a second fan of an outdoor unit of an air conditioner according to the present invention, fig. 6 is a partially enlarged view of a portion a of fig. 5, fig. 7 is a schematic view illustrating a structure in which a cylindrical casing and a nut of fig. 6 are hidden, fig. 8 is a first schematic view illustrating a structure of a motor and a coupling sleeve according to the present invention, fig. 9 is a partially enlarged view of a portion B of fig. 8, fig. 10 is a second schematic view illustrating a structure of a motor and a coupling sleeve according to the present invention, and fig. 11 is a partially enlarged view of a portion C of fig. 10.

Preferably, as shown in fig. 5 to 11, the transmission device of the present invention includes a first rotating shaft 41 and a second rotating shaft 42 connected to the motor 4, and a connecting mechanism mounted on the second rotating shaft 42, the motor 4 can simultaneously drive the first rotating shaft 41 and the second rotating shaft 42 to rotate, the first rotating shaft 41 is fixedly connected to the first fan 31 to drive the first fan 31 to rotate, one end of the second rotating shaft 42 passes through the second fan 32 and can rotate relative to the second fan 32, the connecting mechanism can rotate along the second rotating shaft 42, and the connecting mechanism can also move along the axial direction of the second rotating shaft 42 toward the second fan 32 to be connected to the second fan 32 so that the second fan 32 can rotate along the second rotating shaft 42 and move along the axial direction of the second rotating shaft 42 away from the second fan 32 to be separated from the second fan 32.

Through such setting for motor 4 can drive first fan 31 through transmission and rotate, can also drive second fan 32 as required simultaneously and rotate, realizes the regulation of the operation quantity of air condensing units's fan, thereby is convenient for realize air condensing units's operating efficiency and adjusts, promotes user's use and experiences.

It should be noted that, in practical applications, a person skilled in the art may set the first rotating shaft 41 and the second rotating shaft 42 on the same side of the motor 4, or may set the first rotating shaft 41 and the second rotating shaft 42 on two sides of the motor 4, respectively, and so on, and such adjustment and change of the specific setting position of the first rotating shaft 41 and the second rotating shaft 42 relative to the motor 4 do not depart from the principle and scope of the present invention, and are all included in the protection scope of the present invention.

Preferably, as shown in fig. 8 to 11, the first and second rotating shafts 41 and 42 are respectively disposed at both sides of the motor 4.

Through such setting, can be convenient for the fixed of motor 4 in casing 1, simultaneously, set up first pivot 41 and second pivot 42 respectively in the both sides of motor 4, compare with the homonymy that all sets up first pivot 41 and second pivot 42 at motor 4, the structure is more stable, connects more firmly.

Preferably, as shown in fig. 4, 8 to 11, the motor 4 is fixed on one side of the heat exchanger 2 by a motor bracket 43, and the first rotating shaft 41 and the second rotating shaft 42 are respectively fixedly connected with two output shafts of the motor 4, wherein the first rotating shaft 41 is located on one side of the heat exchanger 2, and the second rotating shaft 42 passes through the heat exchanger 2 and extends in a direction away from the motor 4.

It should be noted that, in practical applications, a person skilled in the art may arrange the connection mechanism to rotate the second fan 32 along the second rotating shaft 42 by magnetic attraction, or may arrange the connection mechanism to rotate the second fan 32 along the second rotating shaft 42 by a fastener, etc., and such adjustment and change of the specific arrangement manner of the connection mechanism to rotate the second fan 32 along the second rotating shaft 42 are not departing from the principle and scope of the present invention and are all included in the protection scope of the present invention.

Preferably, as shown in fig. 5, the connection mechanism includes an electromagnetic member 51 and a connection assembly respectively located at two sides of the second fan 32, the electromagnetic member 51 is fixedly connected to the second rotating shaft 42, the connection assembly is capable of moving along the axial direction of the second rotating shaft 42, a magnetic attraction force can be generated between the electromagnetic member 51 and the connection assembly to enable the connection assembly to move towards the second fan 32 along the axial direction of the second rotating shaft 42, in the case of the magnetic attraction force between the electromagnetic member 51 and the connection assembly, the electromagnetic member 51 and the connection assembly are connected to the second fan 32 to rotate the second fan 32, and in the case of the magnetic attraction force between the electromagnetic member 51 and the connection assembly disappearing, the connection assembly is separated from the second fan 32.

Through such setting, realize electromagnetic member 51 and coupling assembling and be connected with second fan 32 and make motor 4 drive second fan 32 and rotate with the help of the magnetic attraction between electromagnetic member 51 and the coupling assembling, magnetic attraction through making between electromagnetic member 51 and the coupling assembling disappears, can make coupling assembling and second fan 32 separate and realize that motor 4 only drives first fan 31 and rotate, the use of fastener has been avoided, the running state's of messenger's fan switching is more convenient, further promote user's use experience.

It should be noted that, in practical applications, a person skilled in the art may dispose the electromagnetic member 51 on a side of the second fan 32 away from the motor 4 and fixedly connect with the second rotating shaft 42, and accordingly, the connecting assembly is disposed on a side of the second fan 32 close to the motor 4, or may dispose the electromagnetic member 51 on a side of the second fan 32 close to the motor 4 and fixedly connect with the second rotating shaft 42, and accordingly, the connecting assembly is disposed on a side of the second fan 32 away from the motor 4, and so on, and such flexible adjustment and changes do not depart from the principle and scope of the present invention and are all included in the protection scope of the present invention.

Preferably, as shown in fig. 5 and 7, the electromagnetic member 51 is disposed on a side of the second fan 32 close to the motor 4 and is fixedly connected to the second rotating shaft 42, and accordingly, the connecting assembly is disposed on a side of the second fan 32 away from the motor 4.

Preferably, as shown in fig. 5 and 7, the connection assembly includes a connection sleeve 521 sleeved on the second rotation shaft 42 and an elastic return member 522, the connection sleeve 521 can slide along an axial direction of the second rotation shaft 42, a first limit guide structure is disposed on a cylinder wall of the connection sleeve 521, a second limit guide structure is disposed on the second rotation shaft 42, the first limit guide structure and the second limit guide structure cooperate to enable the connection sleeve 521 to rotate along with the second rotation shaft 42 and to guide the connection sleeve 521 in a process that the connection sleeve 521 slides along the second rotation shaft 42, a first connection structure 5213 is disposed on the connection sleeve 521, a second connection structure 321 is disposed on the second fan 32, the electromagnetic member 51 can generate an attractive force on the connection sleeve 521, and the connection sleeve 521 can slide along the axial direction of the second rotation shaft 42 under the attractive force of the electromagnetic member 51 to enable the first connection structure 5213 to be plugged into the second connection structure 321 so as to enable the second fan 32 to rotate along with the connection sleeve 521, and two ends of the elastic return member 522 are respectively fixedly connected to the connection sleeve 521 and the second rotation shaft 42, so as to drive the connection sleeve 521 to separate from the axis of the second rotation shaft 42, so as to drive the connection sleeve 521 and the second connection sleeve 521 to separate the second connection sleeve 521 along the axial direction of the second connection sleeve 521.

By providing the elastic reset member 522, when the magnetic attraction between the electromagnetic member 51 and the connection sleeve 521 disappears, the elastic reset member 522 can drive the connection sleeve 521 to move away from the second fan 32, so as to separate the connection sleeve 521 from the second fan 32, and by providing the first limit guide structure and the second limit guide structure on the cylinder wall of the connection sleeve 521 and on the second rotating shaft 42 respectively, on one hand, the connection sleeve 521 can rotate along with the second rotating shaft 42, so as to prevent the elastic reset member 522 from winding on the second rotating shaft 42; on the other hand, when the magnetic attraction force is generated between the electromagnetic member 51 and the connection sleeve 521, the connection sleeve 521 can be moved in the axial direction of the second rotation shaft 42, and the second fan 32 can be rotated along the second rotation shaft 42 by inserting the connection sleeve 521 and the first connection structure 5213 and the second connection structure 321 provided in the second fan 32 into each other.

In practical applications, a person skilled in the art may set the electromagnetic member 51 as an electromagnet, set the connection sleeve 521 as a ferrous metal material, and generate a magnetic attraction between the electromagnetic member 51 and the connection sleeve 521 when the electromagnetic member 51 is energized, and the magnetic attraction between the electromagnetic member 51 and the connection sleeve 521 disappears when the electromagnetic member 51 is de-energized.

It should be noted that, in practical applications, the connecting assembly is not limited to the connecting sleeve 521 and the elastic restoring member 522 which are disposed on the second rotating shaft 42 in a set, for example, the connecting assembly may also be disposed on the second rotating shaft 42 in a set and the elastic restoring member 522, and so on, and such adjustment and change of the specific arrangement type of the connecting assembly without departing from the principle and scope of the present invention should be included in the protection scope of the present invention.

Preferably, as shown in fig. 7, the connecting assembly is provided with a connecting sleeve 521 and a resilient restoring member 522 which are sleeved on the second rotating shaft 42.

With this arrangement, the arrangement of the coupling assembly as the coupling sleeve 521 and the elastic restoring member 522 helps to reduce the weight of the coupling assembly, compared to the arrangement of the coupling assembly as the coupling block and the elastic restoring member 522, thereby reducing the weight of the outdoor unit of the air conditioner.

It should be noted that in practical applications, a person skilled in the art may configure the elastic reset member 522 as a coil spring, or may configure the elastic reset member 522 as a spring strip, or may configure the elastic reset member 522 as an elastic rope, etc., and such modifications and changes to the specific configuration of the elastic reset member 522 without departing from the principle and scope of the present invention should be included in the protection scope of the present invention.

Preferably, as shown in fig. 7, the elastic return member 522 is provided as a coil spring.

With such an arrangement, on one hand, when the electromagnetic member 51 and the connection sleeve 521 generate a magnetic attraction force, the coil spring can be deformed to move the connection sleeve 521 toward the second fan 32, and when the magnetic attraction force between the electromagnetic member 51 and the connection sleeve 521 disappears, the coil spring can drive the connection sleeve 521 to move away from the second fan 32, so as to realize the resetting of the connection sleeve 521; on the other hand, the elastic reset member 522 is provided as a coil spring, which has the advantages of simple structure, convenient installation and the like.

It should be noted that, in practical applications, those skilled in the art may set the first limit guiding structure and the second limit guiding structure to be a structure in which the guiding groove and the guiding column are matched, or may set the first limit guiding structure and the second limit guiding structure to be a structure in which the guiding groove and the guiding rib are matched, etc., and such adjustment and change of the specific setting type of the first limit guiding structure and the second limit guiding structure without departing from the principle and scope of the present invention should be included in the protection scope of the present invention.

Preferably, as shown in fig. 8 to 11, the first limiting guide structure includes a plurality of strip-shaped grooves 5212 that are disposed on the inner side wall of the connecting sleeve 521 and extend along the axial direction of the connecting sleeve 521, the plurality of strip-shaped grooves 5212 are distributed at intervals along the circumferential direction of the connecting sleeve 521, the second limiting guide structure includes a plurality of strip-shaped ribs 421 that are disposed on the second rotating shaft 42 and extend along the axial direction of the second rotating shaft 42, the plurality of strip-shaped ribs 421 are distributed at intervals along the circumferential direction of the second rotating shaft 42, and the strip-shaped grooves 5212 are adapted to the strip-shaped ribs 421.

With such an arrangement, on one hand, the elastic reset member 522 is prevented from winding on the second rotating shaft 42 by snapping the bar-shaped rib 421 into the bar-shaped groove 5212, thereby realizing that the connecting sleeve 521 rotates along with the second rotating shaft 42; on the other hand, the coupling sleeve 521 is guided during sliding in the axial direction of the second rotating shaft 42 by sliding the strip groove 5212 along the strip rib 421.

It should be noted that, in practical applications, it is not limited to disposing the plurality of bar-shaped grooves 5212 on the inner wall of the connecting sleeve 521 and the plurality of bar-shaped ribs 421 on the second rotating shaft 42, for example, the plurality of bar-shaped grooves 5212 may be disposed on the second rotating shaft 42 and extend along the axial direction of the second rotating shaft 42, and accordingly, the plurality of bar-shaped ribs 421 may be disposed on the inner wall of the connecting sleeve 521, and so on, and such flexible adjustment and change do not depart from the principle and scope of the present invention and should be included in the protection scope of the present invention. It is of course preferable that a plurality of grooves 5212 be provided on the inner wall of the connect sleeve 521 and a plurality of ribs 421 be provided on the second rotary shaft 42.

It should be noted that, in practical applications, a person skilled in the art may directly set the strip-shaped groove 5212 as a groove formed in the inner wall of the connecting sleeve 521, or may set a plurality of protruding strips on the inner wall of the connecting sleeve 521, and the strip-shaped groove 5212 as a groove formed on the protruding strip, or may set a plurality of strip-shaped plates 5211 in the connecting sleeve 521, and a strip-shaped groove 5212 is formed between two adjacent strip-shaped plates 5211, and the like, and such adjustment and change of the specific setting mode of the strip-shaped groove 5212 do not depart from the principle and scope of the present invention, and are all included in the protection scope of the present invention.

Preferably, as shown in fig. 8 to 11, a plurality of strips 5211 are arranged on the inner wall of the connecting sleeve 521, and a strip groove 5212 is formed between two adjacent strips 5211.

With such an arrangement, in comparison with the case where the strip groove 5212 is directly formed in the inner wall of the connect sleeve 521, when the strip groove 5212 is formed between the two strip plates 5211, the inner wall of the connect sleeve 521 is thinner, which contributes to a reduction in weight of the outdoor unit of the air conditioner, and facilitates a reduction in weight of the outdoor unit of the air conditioner.

It should be noted that, in practical applications, the number of the bar-shaped grooves 5212 and the bar-shaped ribs 421 is not limited to be set to be plural, for example, the number of the bar-shaped grooves 5212 and the bar-shaped ribs 421 may also be set to be 1, or the number of the bar-shaped grooves 5212 and the bar-shaped ribs 421 may also be set to be 2, and the like, and such adjustment and change of the specific setting number of the bar-shaped grooves 5212 and the bar-shaped ribs 421 are all included in the protection scope of the present invention without departing from the principle and scope of the present invention.

Preferably, as shown in fig. 8 to 11, the number of the strip-shaped grooves 5212 and the number of the strip-shaped ribs 421 are all set to three, and the strip-shaped grooves 5212 are matched with the strip-shaped ribs 421.

Preferably, as shown in fig. 7 and 11, a guide structure 5214 is provided between the first connection structure 5213 and the second connection structure 321 so as to enable the first connection structure 5213 to be smoothly inserted into the second connection structure 321 in the process of sliding the connection sleeve 521 toward the second fan 32 along the axial direction of the second rotating shaft 42.

Through the arrangement, under the action of the guiding structure 5214, the first connecting structure 5213 and the second connecting structure 321 can be smoothly inserted and connected in the process that the connecting sleeve 521 slides towards the direction of the second fan 32 when the second rotating shaft 42 rotates, so that the second fan 32 can rotate along with the second rotating shaft 42 without stopping the rotation of the second rotating shaft 42, and the use experience of a user is further improved.

It should be noted that, in practical applications, a person skilled in the art may configure the first connection structure 5213 and the second connection structure 321 as a structure matching with a connection slot and a connection board, or may configure the first connection structure 5213 and the second connection structure 321 as a structure matching with a connection slot and a connection column, etc., and such adjustment and change to the specific configuration type of the first connection structure 5213 and the second connection structure 321 without departing from the principle and scope of the present invention should be included in the protection scope of the present invention.

It should be noted that, in practical applications, a person skilled in the art may dispose the guiding structure 5214 on the first connecting structure 5213, or may dispose the guiding structure 5214 on the second connecting structure 321, or may dispose the guiding structure 5214 as a structure connected to and cooperating with the first connecting structure 5213 and the second connecting structure 321, respectively, and so on, and such flexible adjustment and changes do not depart from the principle and scope of the present invention and are included in the protection scope of the present invention.

Preferably, the first connection structure 5213 includes a plurality of openings formed at an end portion of the connection sleeve 521 close to the second fan 32, the plurality of openings are spaced apart from each other in a circumferential direction of the connection sleeve 521, the second connection structure 321 includes a plurality of connection plates disposed on the second fan 32, the connection plates are insertable into the openings, the guide structure 5214 includes a plurality of guide ports formed at an end portion of the connection sleeve 521 close to the second fan 32, a rear end of each guide port is connected to a front end of the corresponding opening, and a width of each guide port is gradually increased in a direction away from the opening.

With such an arrangement, by providing the first connection structure 5213 and the second connection structure 321 in the form of the opening and the connection plate, when the connection sleeve 521 and the electromagnetic member 51 generate magnetic attraction, the connection plate can be inserted into the opening, so that the second fan 32 can rotate following the second rotation shaft 42, and meanwhile, by providing the guide opening, when the connection plate on the second fan 32 contacts with the inner wall of the guide opening, the guide opening can guide the connection plate to slide into the opening, so that the connection plate can be smoothly inserted into the opening.

It should be noted that, in practical applications, the first connecting structure 5213 is not limited to be configured as an opening, the second connecting structure 321 is configured as a connecting plate, for example, the first connecting structure 5213 may be configured as a connecting plate, the second connecting structure 321 may be configured as an opening, and so on, and such flexible adjustment and changes can be included in the protection scope of the present invention without departing from the principle and scope of the present invention. It is of course preferable to provide the first connection structure 5213 as an opening and the second connection structure 321 as a connection plate.

It should be noted that, in practical applications, the guiding structure 5214 is not limited to be configured as a guiding opening, for example, the guiding structure 5214 may be configured as a plurality of arc-shaped surfaces, the tail ends of the arc-shaped surfaces are respectively connected with the front end of the opening, the head ends of two adjacent arc-shaped surfaces are connected with each other and form a smooth curved surface, when the arc-shaped surface of the connecting sleeve 521 contacts the connecting plate of the second fan 32 and continues to move towards the direction of the second fan 32, the connecting plate can slide along the arc-shaped surfaces and slide into the opening, the connecting plate can be smoothly inserted into the opening, and the like, and the adjustment and change of the specific configuration type of the guiding structure 5214 are included in the protection scope of the present invention without departing from the principle and scope of the present invention. It is of course preferred that the guide structure 5214 is provided as a guide port.

Preferably, as shown in fig. 5 and 6, the outdoor unit of an air conditioner of the present invention further includes a cylindrical casing 6 sleeved outside the second rotating shaft 42 and fixedly connected to the second rotating shaft 42, the elastic reset member 522 and the connecting sleeve 521 are both located inside the cylindrical casing 6 and are capable of moving along the axial direction of the second rotating shaft 42 relative to the cylindrical casing 6, one end of the elastic reset member 522 is fixedly connected to the inner wall of the cylindrical casing 6, the other end of the elastic reset member 522 is fixedly connected to one end of the connecting sleeve 521 away from the second fan 32, when the electromagnetic member 51 and the connecting sleeve 521 generate a magnetic attraction force, the connecting sleeve 521 is capable of moving along the axial direction of the second rotating shaft 42 towards the second fan 32, and when the magnetic attraction force between the electromagnetic member 51 and the connecting sleeve 521 disappears, the connecting sleeve 521 moves towards a direction away from the second fan 32 under the restoring force of the elastic reset member 522 and retracts into the cylindrical casing 6.

By providing the cylindrical housing 6, on the one hand, one end of the elastic return member 522 is fixed, so that the elastic return member 522 can pull back the connection sleeve 521 when the magnetic attraction force between the connection sleeve and the electromagnetic member 51 is lost; on the other hand, the provision of the cylindrical housing 6 prevents the foreign matter from falling on the elastic restoring member 522, thereby avoiding the elastic restoring member 522 from malfunctioning due to entanglement of the foreign matter.

It should be noted that, in practical applications, the elastic reset member 522 is not limited to be fixed by the cylindrical housing 6, for example, a stop piece fixedly connected to the second rotating shaft 42 may be arranged on the second rotating shaft 42, one end of the elastic reset member 522 is fixed to the stop piece, and so on, and such flexible adjustment and change do not depart from the principle and scope of the present invention, and should be included in the protection scope of the present invention. It is of course preferred that the resilient return member 522 is fixed by the provision of the cylindrical housing 6.

It should be noted that, in practical applications, a person skilled in the art can directly weld the cylindrical housing 6 on the second rotating shaft 42, or can fix the cylindrical housing 6 on the second rotating shaft 42 by a fastener, etc., and such adjustment and change of the specific fixing manner of the cylindrical housing 6 on the second rotating shaft 42 without departing from the principle and scope of the present invention should be included in the protection scope of the present invention.

Preferably, as shown in fig. 5 and 6, the cylindrical housing 6 is fixed to the second rotating shaft 42 by a fastening member.

It should be noted that in practical applications, a person skilled in the art may configure the fastening member as a nut, or alternatively, the fastening member may be configured as a locking pin, etc., and such adjustment and change of the specific configuration type of the fastening member without departing from the principle and scope of the present invention shall be included in the protection scope of the present invention.

Preferably, as shown in fig. 5 and 6, the fastener is provided as a nut 61.

So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.

Claims (10)

1. An outdoor unit of an air conditioner is characterized by comprising a shell, a heat exchanger, a first fan, a second fan, a motor and a transmission device, wherein the heat exchanger, the first fan, the second fan, the motor and the transmission device are arranged in the shell, the first fan and the second fan are arranged oppositely, the motor is connected with the transmission device and can drive the transmission device to rotate, the transmission device is arranged to be capable of driving the first fan and the second fan to rotate simultaneously when being in a first transmission state, and the transmission device is also arranged to be capable of removing the driving connection with the second fan when being in a second transmission state so as to drive only the first fan to rotate.

2. The outdoor unit of claim 1, wherein the transmission device comprises a first rotating shaft and a second rotating shaft connected to the motor, and a connecting mechanism mounted on the second rotating shaft, the motor can simultaneously drive the first rotating shaft and the second rotating shaft to rotate, the first rotating shaft is fixedly connected to the first fan to drive the first fan to rotate, one end of the second rotating shaft passes through the second fan and can rotate relative to the second fan, the connecting mechanism can rotate along with the second rotating shaft, the connecting mechanism is configured to move towards the second fan along an axial direction of the second rotating shaft to connect with the second fan so that the second fan can rotate along with the second rotating shaft, and the connecting mechanism is further configured to move away from the second fan along the axial direction of the second rotating shaft to be separated from the second fan.

3. The outdoor unit of claim 2, wherein the coupling mechanism comprises an electromagnetic member and a coupling member respectively disposed at both sides of the second fan, the electromagnetic member is fixedly coupled to the second rotary shaft, the coupling member is movable along an axial direction of the second rotary shaft, a magnetic attraction force is generated between the electromagnetic member and the coupling member to allow the coupling member to move toward the second fan along the axial direction of the second rotary shaft, the electromagnetic member and the coupling member are coupled to the second fan to rotate the second fan when the magnetic attraction force is generated between the electromagnetic member and the coupling member, and the coupling member is separated from the second fan when the magnetic attraction force is lost.

4. The outdoor unit of claim 3, wherein the connecting assembly includes a connecting sleeve sleeved on the second rotating shaft and an elastic restoring member, the connecting sleeve is capable of sliding along an axial direction of the second rotating shaft, a first limiting guide structure is disposed on a wall of the connecting sleeve, a second limiting guide structure is disposed on the second rotating shaft, the first limiting guide structure and the second limiting guide structure cooperate to enable the connecting sleeve to rotate along with the second rotating shaft and to guide the connecting sleeve in a sliding process of the connecting sleeve along the second rotating shaft, a first connecting structure is disposed on the connecting sleeve, a second connecting structure is disposed on the second fan, the electromagnetic member is capable of generating an attractive force on the connecting sleeve, the connecting sleeve is capable of sliding towards the second fan along the axial direction of the second rotating shaft under the attractive force of the electromagnetic member to enable the first connecting structure to be inserted into the second connecting structure so as to enable the second fan to rotate along with the connecting sleeve, two ends of the elastic restoring member are respectively fixedly connected to the connecting sleeve and the second rotating shaft, so that the elastic restoring member drives the second connecting structure to release the attractive force along the second rotating shaft to drive the second connecting structure.

5. The outdoor unit of claim 4, wherein a guide structure is disposed on the connection sleeve or the second fan, and the guide structure is located between the first connection structure and the second connection structure and connected to the first connection structure or the second connection structure, so that the first connection structure can be smoothly inserted into the second connection structure when the connection sleeve slides toward the second fan along the axial direction of the second rotation shaft.

6. The outdoor unit of claim 5, wherein the first coupling structure includes a plurality of openings formed at an end of the coupling sleeve adjacent to the second fan, the plurality of openings being spaced apart from each other in a circumferential direction of the coupling sleeve, the second coupling structure includes a plurality of coupling plates provided at the second fan, the coupling plates being insertable into the openings, the guide structure includes a plurality of guide ports formed at an end of the coupling sleeve adjacent to the second fan, rear ends of the guide ports being coupled to front ends of the corresponding openings, and widths of the guide ports are increased in a direction away from the openings.

7. The outdoor unit of claim 4, wherein the first position-limiting guide structure comprises a plurality of bar-shaped grooves formed in an inner sidewall of the coupling sleeve and extending in an axial direction of the coupling sleeve, the plurality of bar-shaped grooves are circumferentially spaced apart from each other along the coupling sleeve, the second position-limiting guide structure comprises a plurality of bar-shaped ribs formed in the second shaft and extending in the axial direction of the second shaft, the plurality of bar-shaped ribs are circumferentially spaced apart from each other along the second shaft, and the bar-shaped grooves are engaged with the bar-shaped ribs.

8. The outdoor unit of any one of claims 1 to 7, wherein the first fan is located at one side of the heat exchanger, and the second fan is located at the other side of the heat exchanger.

9. The outdoor unit of claim 8, wherein the heat exchanger includes a first heat exchanging part, a second heat exchanging part, and a third heat exchanging part, the first heat exchanging part is disposed in parallel with the third heat exchanging part, the second heat exchanging part is disposed between the first heat exchanging part and the third heat exchanging part and is vertically connected to the first heat exchanging part and the third heat exchanging part, the first fan is disposed at one side of the second heat exchanging part, the second fan is disposed at the other side of the second heat exchanging part, and the number of the air inlets of the casing is 3 and is disposed corresponding to the first heat exchanging part, the second heat exchanging part, and the third heat exchanging part, respectively.

10. An air conditioner comprising the outdoor unit of any one of claims 1 to 9.

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