WO2019174336A1 - 用于风叶的风叶支撑组件、风道组件及空调器 - Google Patents

用于风叶的风叶支撑组件、风道组件及空调器 Download PDF

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Publication number
WO2019174336A1
WO2019174336A1 PCT/CN2018/120373 CN2018120373W WO2019174336A1 WO 2019174336 A1 WO2019174336 A1 WO 2019174336A1 CN 2018120373 W CN2018120373 W CN 2018120373W WO 2019174336 A1 WO2019174336 A1 WO 2019174336A1
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WO
WIPO (PCT)
Prior art keywords
shaft
blade
hole
support
duct assembly
Prior art date
Application number
PCT/CN2018/120373
Other languages
English (en)
French (fr)
Inventor
汪春节
杨盼
余卫权
Original Assignee
珠海格力电器股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 珠海格力电器股份有限公司 filed Critical 珠海格力电器股份有限公司
Priority to US16/969,865 priority Critical patent/US11873829B2/en
Priority to EP18910081.1A priority patent/EP3767193A4/en
Publication of WO2019174336A1 publication Critical patent/WO2019174336A1/zh

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
    • F24F1/0025—Cross-flow or tangential fans
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/04—Shafts or bearings, or assemblies thereof
    • F04D29/043—Shafts
    • F04D29/044—Arrangements for joining or assembling shafts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
    • F04D29/053—Shafts
    • F04D29/054—Arrangements for joining or assembling shafts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/20—Casings or covers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/24—Means for preventing or suppressing noise
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0018—Indoor units, e.g. fan coil units characterised by fans

Definitions

  • the present invention relates to the field of air conditioning, and in particular to a blade support assembly for a blade, a duct assembly, and an air conditioner.
  • the motor shaft extends into the axial hole of the blade shaft of the blade, and then the fastening screw is tightened from the outside of the blade shaft so that the fastening screw abuts the motor shaft The wall surface, so that the motor shaft can drive the blade shaft to rotate.
  • a support member for supporting the blade shaft is disposed on the outer wall surface of the blade shaft, and the support member is provided with a shaft hole through which the blade shaft passes.
  • the main object of the present invention is to provide a blade support assembly for a blade, a duct assembly and an air conditioner to solve the problem that the air conditioner of the prior art emits abnormal noise due to friction and collision when the blade rotates. .
  • a blade support assembly for a blade includes: a support base, the support base includes a support base body, and the support base body has a support seat hole;
  • the support structure is disposed in the support hole, the support structure has a shaft hole; the fan blade shaft, one end of the blade shaft passes through the shaft hole and is connected with the driving portion, and the blade shaft is movably disposed relative to the support seat; wherein
  • the blade shaft has a first shaft segment and a second shaft segment coupled to the first shaft segment, the diameter of the first shaft segment being less than the diameter of the second shaft segment.
  • the blade shaft has a first position that can be driven by the driving portion and a second position that is separated from the driving portion.
  • the blade axis When the blade axis is in the first position, the outer wall surface of the first shaft segment and the inner wall surface of the shaft hole There is a space therebetween, and when the blade shaft is at the second position, the second shaft segment abuts against the inner wall surface of the shaft hole.
  • the blade shaft further includes a transition section disposed between the first shaft section and the second shaft section, and the outer diameter of the transition section gradually increases from the first shaft section to the second shaft section.
  • the blade shaft further includes a transition section disposed between the first shaft section and the second shaft section, and the outer diameter of the transition section gradually increases from the first shaft section to the second shaft section, and the blade shaft has the first a position and a second position, when the blade shaft is in the first position, the outer wall surface of the first shaft segment is spaced from the inner wall surface of the shaft hole; when the blade shaft is in the second position, the transition portion and the shaft hole The inner wall surface abuts.
  • the support structure is a sleeve sleeved on the outer circumference of the blade shaft, and the inner through hole of the sleeve forms a shaft hole, and the sleeve is an elastic member.
  • a duct assembly including a mount, the duct assembly further including a blade support assembly disposed on the mount and a blade connected to the blade shaft, the blade The support assembly is the aforementioned blade support assembly.
  • the air duct assembly further includes a driving portion, the blade shaft has a first position and a second position, and when the blade shaft is in the first position, the blade shaft can be driven by the driving portion; when the blade shaft is in the second position When the blade shaft is separated from the drive portion.
  • the blade shaft has an axial hole, and the motor shaft of the driving portion is inserted into the axial hole to connect the driving portion and the blade shaft.
  • the axial bore penetrates the first shaft segment and the second shaft segment.
  • the blade shaft further has a radial hole communicating with the axial hole
  • the air duct assembly further includes a locking member, the locking member abuts the motor shaft after coming out of the radial hole to lock the motor shaft On the blade of the wind.
  • the radial hole is opened on the second shaft section.
  • an air conditioner comprising a housing and a duct assembly disposed within the housing, the duct assembly being the aforementioned duct assembly.
  • the blade support assembly is applied to the air duct assembly of the air conditioner, and the blade support assembly is used.
  • the first shaft segment of the blade shaft is disposed on the support structure.
  • the shaft hole since the diameter of the first shaft section is smaller than the diameter of the second shaft section, and the vane shaft is movably disposed with respect to the support base, when the vane shaft and the driving portion are connected, the first shaft of the vane shaft
  • the inner wall surfaces rub or collide with each other, thereby reducing noise, and solving the problem of abnormal noise and noise caused by friction or collision between the blade shaft and the support structure in the prior art.
  • the blade support assembly provided above can prevent the blade shaft from being worn.
  • Figure 1 shows a cross-sectional view of a duct assembly (in which a drive portion is shown) in accordance with an embodiment of the present invention
  • Figure 2 shows an enlarged view of A of Figure 1;
  • Figure 3 shows an enlarged view of B of Figure 2;
  • Figure 4 shows an enlarged view of the portion C of Figure 3;
  • Figure 5 is a front elevational view of the blade shaft of the air duct assembly of Figure 1;
  • Figure 6 shows a cross-sectional view of the blade shaft of Figure 5;
  • Figure 7 is a schematic view showing the blade shaft of the air duct assembly of Figure 1 in a first position (in which the drive portion is shown, at which time the blade shaft can be driven by the drive portion);
  • Fig. 8 is a schematic view showing the blade shaft of the air duct assembly of Fig. 1 in a second position (in which the drive portion is shown, at which time the blade shaft is separated from the drive portion).
  • the blade shaft is snap-connected with the motor shaft of the driving portion, and the motor shaft and the blade shaft are not supported by the surrounding structure after being connected, that is, the radial wall surface between the outer wall surface of the blade shaft and the mounting seat is radially There is a gap, that is, the blade shaft is in a floating state.
  • the air conditioner of this type when the air blade is assembled, the front air shaft and the motor shaft are required to be engaged with the motor shaft of the driving portion. In the air conditioner, the blade shaft and the motor shaft are blocked by the evaporator, and the operator has a small angle of view on the blade shaft and the motor shaft, which increases the difficulty for the positive blade shaft and the motor shaft.
  • the present invention provides a blade support assembly for a blade.
  • the blade support assembly of the first embodiment includes a support base 30, a support structure 20 and a blade shaft 11;
  • the support base 30 includes a support base body, the support base body has a support seat hole;
  • the support structure 20 is disposed in the support seat hole, and the support structure 20 has a shaft hole 21;
  • one end of the blade shaft 11 passes through the shaft hole 21 and is connected to the driving portion 50, and the blade shaft 11 is movably disposed with respect to the support seat 30; wherein the blade shaft 11 has the first shaft segment 111 and a second shaft segment 112 coupled to the first shaft segment 111, the diameter of the first shaft segment 111 being smaller than the diameter of the second shaft segment 112.
  • the blade support assembly is applied to the air duct assembly of the air conditioner.
  • the blade support assembly when the blade shaft 11 and the drive portion 50 are coupled, the first shaft segment 111 of the blade shaft 11 is disposed at The inside of the shaft hole 21 of the support structure 20; since the diameter of the first shaft section 111 is smaller than the diameter of the second shaft section 112, the blade shaft 11 is movably disposed with respect to the support base 30, so when the blade shaft 11 and the driving portion 50 When connecting, there is a space between the outer wall surface of the first shaft section 111 of the blade shaft 11 and the inner wall surface of the shaft hole 21 of the support structure 20, so that when the driving portion 50 drives the blade shaft 11 to rotate, it can be avoided due to minute
  • the outer wall surface of the blade shaft 11 caused by the shaft runout rubs or collides with the inner wall surface of the shaft hole 21 of the support structure 20, thereby reducing noise, and solving the friction between the blade shaft and the support structure in the prior art. Problems that cause abnormal noise and noise. Further, the above-
  • the blade shaft 11 has a first position that can be driven by the driving portion 50 and a second position that is separated from the driving portion 50 when the blade shaft 11 is in the first position.
  • the outer wall surface of the first shaft segment 111 and the inner wall surface of the shaft hole 21 are spaced apart.
  • the second shaft segment 112 abuts against the inner wall surface of the shaft hole 21.
  • the blade support assembly is applied to a duct assembly of an air conditioner.
  • the blade shaft 11 When the air conditioner is in the normal working state, the blade shaft 11 is in the first position, and the driving portion 50 drives the blade shaft 11 to rotate.
  • the blade 10 moves away from the driving portion 50, and the blade shaft 11 is switched from the first position to the first position.
  • the blade shaft 11 In the second position, the blade shaft 11 can be disengaged from the driving portion 50, so that the blade 10 and the blade support assembly can be removed.
  • the blade support assembly and the blade 10 are assembled together in a modular structure.
  • the blade 10 is coupled to the blade shaft 11.
  • the outer wall surface of the second shaft segment 112 abuts against the inner wall surface of the shaft hole 21.
  • the support structure 20 can define that the blade shaft 11 moves in the radial direction of the shaft hole 21, so that the blade shaft 11 does not follow the shaft hole 21 with respect to the support seat 30 during the process of removing the blade 10 and the blade support assembly. The radial direction moves.
  • the blade 10 and the blade support assembly are mounted to the air conditioner.
  • the position of the axis of the blade shaft 11 does not change before the removal, that is, the fan shaft 11 at this time and the motor shaft of the driving portion 50 are coaxial.
  • the blade 10 is moved in the direction of the driving portion 50, so that the blade shaft 11 is connected to the driving portion 50, and in the process, due to the supporting action of the supporting structure 20, the operation The person does not need to hold the blade shaft 11 to align the blade shaft 11 and the driving portion 50. Therefore, the technical solution of the first embodiment is convenient to operate and the assembly efficiency is high. In this way, the technical solution realizes the function of automatically centering the motor shaft of the blade shaft 11 and the driving portion 50 in the case of blind mounting, and the centering precision is high.
  • the blade shaft 11 further includes a transition section 113 disposed between the first shaft section 111 and the second shaft section 112, from the first shaft section 111 to the second shaft.
  • the outer diameter of the transition section 113 is gradually increased.
  • a transition section 113 is provided between the first shaft section 111 and the second shaft section 112. From the first shaft segment 111 to the second shaft segment 112, the outer diameter of the transition portion 113 is gradually increased to smoothly transition between the first shaft segment 111 and the second shaft segment 112.
  • the opening of the shaft hole 21 of the support structure 20 toward the driving portion 50 slides on the tapered surface of the transition portion 113 to make the blade shaft 11
  • the automatic alignment of the axis of the shaft hole 21 of the support structure 20 during the switching from the first position to the second position that is, the process of switching the blade shaft 11 from the first position to the second position, utilizes the blade shaft 11
  • the transition section 113 is capable of automatically correcting the position of the blade shaft 11.
  • the transition section 113 serves as a centering correction during the switching of the blade shaft 11 from the first position to the second position.
  • the support structure 20 is a sleeve sleeved on the outer circumference of the blade shaft 11.
  • the inner through hole of the sleeve forms a shaft hole 21, and the sleeve is an elastic member.
  • the blade shaft 11 is connected to the driving portion 50 after passing through the inner through hole of the sleeve. And when the blade shaft 11 is in the second position, the inner wall surface of the sleeve abuts against the outer wall surface of the second shaft segment 112 of the blade shaft 11, thereby preventing radial movement of the blade shaft 11 along the inner through hole of the sleeve It is convenient to assemble the blade shaft 11 and the motor shaft. In the above arrangement, the contact area of the inner through hole of the sleeve with the blade shaft 11 is large, the action area of the sleeve on the blade shaft 11 is large, and the sleeve can better avoid the axis of the blade 11 relative to the support block 30. The radial movement of the aperture 21. And the sleeve is an elastic member and has good wear resistance. Preferably, the sleeve is made of a rubber material and has a small weight.
  • the present invention provides a duct assembly.
  • the air duct assembly of the first embodiment includes a mounting seat 70.
  • the air duct assembly further includes a blade support assembly disposed on the mounting base 70 and a blade 10 coupled to the blade shaft 11.
  • the blade support assembly is the aforementioned blade support Component.
  • the blade support assembly and the vane 10 are mounted on the mount 70.
  • the vane shaft 11 does not move in the radial direction of the shaft hole 21 with respect to the support base 30.
  • the position of the axis of the blade shaft 11 is not changed before the air duct assembly is removed.
  • the blade 10 is moved in the direction of the driving portion 50, so that the blade shaft 11 can be connected to the driving portion 50, and the assembly is convenient.
  • the air duct assembly further includes a driving portion 50 having a first position and a second position.
  • the blade shaft 11 can be driven by the driving portion 50; when the blade shaft 11 is in the second position, the blade shaft 11 is separated from the driving portion 50.
  • the blade shaft 11 when the air conditioner is in the normal working state, the blade shaft 11 is in the first position, and the driving portion 50 drives the blade shaft 11 to rotate.
  • the blade shaft 11 is switched from the first position to the second position. At this time, the blade shaft 11 is disengaged from the driving portion 50, and the air duct assembly can be removed from the air conditioner. Removed from the device.
  • the blade shaft 11 has an axial hole 114, and the motor shaft of the driving portion 50 is inserted into the axial hole 114 to connect the driving portion 50 and the blade shaft 11 .
  • the motor shaft is inserted into the axial hole 114 to connect the driving portion 50 and the blade shaft 11, and the operation is simple. Moreover, the structure of the blade shaft 11 and the motor shaft provided above is simple and convenient to implement.
  • a plurality of ribs may be provided on the end surface of the blade shaft 11 facing the driving portion 50, and the end faces of the motor shaft facing the blade shaft 11 are provided with a plurality of protrusions.
  • a plurality of grooves corresponding to the ribs one by one.
  • the axial hole 114 penetrates the first shaft segment 111 and the second shaft segment 112.
  • the blade shaft 11 provided as described above is small in mass.
  • the blade shaft 11 further has a radial hole 115 communicating with the axial hole 114.
  • the air duct assembly further includes a locking member 40, and the locking member 40 is worn.
  • the radial hole 115 is brought into abutting contact with the motor shaft to lock the motor shaft to the blade shaft 11.
  • the locking member 40 passes through the radial hole 115 and extends into the axial hole 114 and abuts against the outer wall surface of the motor shaft, so that the motor shaft can drive the blade shaft 11 to rotate.
  • the motor shaft and the blade shaft 11 are simple in structure and can be realized.
  • the radial hole 115 is disposed on the second shaft segment 112, and the above arrangement can shorten the length of the motor shaft. With the above arrangement, since the radial hole 115 is disposed close to the driving portion 50, it is convenient to install the locking member 40 to facilitate locking the motor shaft to the blade shaft 11.
  • the radial bore 115 is a threaded bore and the locking member 40 is a screw. After the screw is screwed out of the threaded hole and protrudes into the axial hole 114 and abuts on the outer wall surface of the motor shaft, the motor shaft and the blade shaft 11 can be connected, and the operation is simple.
  • the outer wall surface of the motor shaft is provided with a plane parallel to the axis thereof, and the screw abuts on the plane, and the contact area between the screw and the plane is large, and the outer wall surface of the motor shaft can be better abutted to avoid the occurrence of the screw.
  • the phenomenon of sliding on the outer wall surface of the motor shaft is provided with a plane parallel to the axis thereof, and the screw abuts on the plane, and the contact area between the screw and the plane is large, and the outer wall surface of the motor shaft can be better abutted to avoid the occurrence of the screw.
  • the present invention provides an air conditioner.
  • the air conditioner of this embodiment includes a casing and a duct assembly disposed inside the casing, and the duct assembly is the aforementioned duct assembly.
  • one end of the blade 10 away from the blade shaft 11 is provided with a rotating shaft; one end of the mounting seat 70 remote from the driving portion 50 is provided with a first mounting hole; and the air duct assembly further includes a first mounting hole.
  • a mounting bushing 60 which is fixedly connected to the mounting seat 70.
  • the mounting bushing 60 is provided with a second mounting hole corresponding to the rotating shaft.
  • the end of the rotating shaft remote from the blade shaft 11 is inserted into the second mounting hole, and the rotating shaft is mounted on the shaft.
  • the second mounting hole of the sleeve 60 is movably disposed relative to the mounting seat 70 on the axis.
  • the blades 10 are always supported by the mounting bushing 60 and the blade support assembly at both ends of the blade 10.
  • the above arrangement ensures that the axis of the blade shaft 11 of the blade 10 is unchanged with respect to the position of the mounting seat 70, thereby ensuring that the air duct assembly is detached from the air conditioner or the air duct assembly is mounted to the air conditioner, the wind
  • the blade shafts 11 of the blades 10 are all coaxial with the motor shaft of the drive unit 50.
  • the blade 10 can be directly moved toward the driving portion 50, so that the motor shaft and the blade shaft 11 can be docked, and then the screw is completed to complete the motor shaft and the blade shaft 11. connection.
  • the entire installation process does not require professional tools to correct the coaxiality of the vane shaft 11 and the motor shaft.
  • the solution of the present invention is to disassemble the air duct assembly for repair or cleaning during production installation and after sale.
  • the mount 70 is mounted to the air conditioner, and then the motor is mounted to the motor seat of the air conditioner; at this time, the position of the axis of the vane shaft 11 is relatively removed. No change has been made before, so that the blade shaft 11 is moved from the second position to the first position, and the blade shaft 11 can be quickly docked to the motor shaft, which is convenient to operate and ensures that the internal space of the air conditioner is invisible.
  • the solution of the invention has the following advantages: after the air duct assembly is mounted on the air conditioner, the coaxial shaft 11 and the motor shaft have good coaxiality to avoid When the air conditioner is running, the shaft jump caused by the poor coaxiality between the blade shaft 11 and the motor shaft occurs, which affects the performance and service life of the whole machine.
  • the air conditioner of the invention realizes quick disassembly and installation of the air duct assembly, that is, realizes the separation of the air duct assembly and the air conditioner or quickly installs the air duct assembly to the air conditioner, and satisfies the modular design of the air conditioner.
  • the difference between the second embodiment and the first embodiment is that, in the technical solution of the second embodiment, when the blade shaft 11 is in the second position, the transition portion 113 abuts against the inner wall surface of the shaft hole 21.
  • the blade shaft 11 further includes a transition section 113 disposed between the first shaft section 111 and the second shaft section 112, and the outer diameter of the transition section 113 from the first shaft section 111 to the second shaft section 112. Gradually increasing, the blade shaft 11 has a first position and a second position. When the blade shaft 11 is in the first position, the outer wall surface of the first shaft segment 111 and the inner wall surface of the shaft hole 21 are spaced apart; When the leaf shaft 11 is in the second position, the transition portion 113 abuts against the inner wall surface of the shaft hole 21.
  • the transition portion 113 has the above-mentioned function of the automatic centering correction; and when the blade shaft 11 is in the second position, the support structure 20 supports The transition portion 113 of the blade shaft 11 is such that when the blade shaft 11 is in the second position, the blade shaft 11 does not move in the radial direction of the shaft hole 21 with respect to the support seat 30.
  • the blade support assembly is applied to the air duct assembly of the air conditioner.
  • the first shaft segment of the blade shaft is disposed in the shaft hole of the support structure; since the diameter of the first shaft segment is smaller than the diameter of the second shaft segment, and the blade shaft is opposite to the support seat
  • Moveably disposed so when the blade shaft and the driving portion are connected, there is a space between the outer wall surface of the first shaft section of the blade shaft and the inner wall surface of the shaft hole of the support structure, so that when the driving portion drives the blade shaft to rotate It can avoid friction or collision between the outer wall surface of the blade shaft and the inner wall surface of the shaft hole of the support structure caused by the slight shaft runout, thereby reducing noise.
  • the problem of abnormal noise and noise caused by friction or collision between the blade shaft and the support structure in the prior art is solved. And the blade support assembly provided above can prevent the blade shaft from being worn.

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  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
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Abstract

本发明提供了一种用于风叶的风叶支撑组件、风道组件及空调器。风叶支撑组件包括：支撑座，支撑座包括支撑座本体，支撑座本体具有支撑座孔；支撑结构，设置在支撑座孔内，支撑结构具有轴孔；风叶轴，风叶轴的一端穿出轴孔后与驱动部连接，且风叶轴相对于支撑座可移动地设置；其中，风叶轴具有第一轴段和与第一轴段连接的第二轴段，第一轴段的直径小于第二轴段的直径。采用本发明的技术方案，解决了现有技术中的空调器在风叶转动时因摩擦和碰撞而发出异响的问题，进一步地，本发明的技术方案解决了现有技术中装配风叶轴和电机轴时因难以对正导致对中不精确的问题。

Description

用于风叶的风叶支撑组件、风道组件及空调器 技术领域
本发明涉及空调领域，具体而言，涉及一种用于风叶的风叶支撑组件、风道组件及空调器。
背景技术
现有技术的空调器的风叶中，电机轴伸入风叶的风叶轴的轴向孔内，然后从风叶轴的外侧拧紧紧固螺钉，以使紧固螺钉抵接电机轴的外壁面，这样电机轴即可带动风叶轴转动。风叶轴的外壁面上设置有用于支撑风叶轴的支撑件，支撑件设置有供风叶轴穿出的轴孔。由于支撑件的轴孔和风叶轴的外壁面之间没有间隔，因而当电机驱动风叶轴转动时，风叶轴的外壁面会与支撑件的轴孔的内壁面发生摩擦和碰撞，这样电机驱动风叶轴转动时就会发出异响。即现有技术中的空调器在风叶转动时因摩擦和碰撞而发出异响。
发明内容
本发明的主要目的在于提供一种用于风叶的风叶支撑组件、风道组件及空调器，以解决现有技术中的空调器在风叶转动时因摩擦和碰撞而发出异响的问题。
为了实现上述目的，根据本发明的一个方面，提供了一种用于风叶的风叶支撑组件，风叶支撑组件包括：支撑座，支撑座包括支撑座本体，支撑座本体具有支撑座孔；支撑结构，设置在支撑座孔内，支撑结构具有轴孔；风叶轴，风叶轴的一端穿出轴孔后与驱动部连接，且风叶轴相对于支撑座可移动地设置；其中，风叶轴具有第一轴段和与第一轴段连接的第二轴段，第一轴段的直径小于第二轴段的直径。
进一步地，风叶轴具有能够被驱动部驱动的第一位置和与驱动部分离的第二位置，当风叶轴位于第一位置时，第一轴段的外壁面与轴孔的内壁面之间具有间隔，当风叶轴位于第二位置时，第二轴段与轴孔的内壁面抵接。
进一步地，风叶轴还包括设置在第一轴段和第二轴段之间的过渡段，自第一轴段至第二轴段，过渡段的外径逐渐增大。
进一步地，风叶轴还包括设置在第一轴段和第二轴段之间的过渡段，自第一轴段至第二轴段，过渡段的外径逐渐增大，风叶轴具有第一位置和第二位置，当风叶轴位于第一位置时，第一轴段的外壁面与轴孔的内壁面之间具有间隔；当风叶轴位于第二位置时，过渡段与轴孔的内壁面抵接。
进一步地，支撑结构为套设在风叶轴外周的套筒，套筒的内部通孔形成轴孔，套筒为弹性件。
根据本发明的另一方面，提供了一种风道组件，风道组件包括安装座，风道组件还包括设置在安装座上的风叶支撑组件以及与风叶轴连接的风叶，风叶支撑组件为前述的风叶支撑组件。
进一步地，风道组件还包括驱动部，风叶轴具有第一位置和第二位置，当风叶轴位于第一位置时，风叶轴能够被驱动部驱动；当风叶轴处于第二位置时，风叶轴与驱动部分离。
进一步地，风叶轴具有轴向孔，驱动部的电机轴插入轴向孔内，以连接驱动部与风叶轴。
进一步地，轴向孔贯通第一轴段和第二轴段。
进一步地，风叶轴还具有与轴向孔连通的径向孔，风道组件还包括锁紧件，锁紧件穿出径向孔后与电机轴抵接接触，以将电机轴锁紧在风叶轴上。
进一步地，径向孔开设在第二轴段上。
根据本发明的另一方面，提供了一种空调器，包括外壳和设置在外壳内的风道组件，风道组件为前述的风道组件。
应用本发明的技术方案，风叶支撑组件应用于空调器的风道组件，采用该风叶支撑组件，当风叶轴和驱动部连接时，风叶轴的第一轴段设置在支撑结构的轴孔内；由于第一轴段的直径小于第二轴段的直径，并且风叶轴相对于支撑座可移动地设置，因此当风叶轴和驱动部连接时，风叶轴的第一轴段的外壁面和支撑结构的轴孔的内壁面之间存在间隔，这样当驱动部驱动风叶轴转动时，能避免由于微小的轴跳动引起的风叶轴的外壁面与支撑结构的轴孔的内壁面之间相互摩擦或者碰撞，进而减小噪声，解决了现有技术中风叶轴与支撑结构之间因发生摩擦或者碰撞引起异响和噪声的问题。并且上述设置的风叶支撑组件能够防止风叶轴被磨损。
附图说明
构成本申请的一部分的说明书附图用来提供对本发明的进一步理解，本发明的示意性实施例及其说明用于解释本发明，并不构成对本发明的不当限定。在附图中：
图1示出了根据本发明的实施例的风道组件的剖视图(其中示出了驱动部)；
图2示出了图1的A处放大图；
图3示出了图2的B处放大图；
图4示出了图3的C处放大图；
图5示出了图1的风道组件的风叶轴的主视图；
图6示出了图5的风叶轴的剖视图；
图7示出了图1的风道组件的风叶轴处于第一位置时的示意图(其中示出了驱动部，此时风叶轴能够被驱动部驱动)；以及
图8示出了图1的风道组件的风叶轴处于第二位置时的示意图(其中示出了驱动部，此时风叶轴与驱动部分离)。
其中，上述附图包括以下附图标记：
10、风叶；11、风叶轴；111、第一轴段；112、第二轴段；113、过渡段；114、轴向孔；115、径向孔；20、支撑结构；21、轴孔；30、支撑座；40、锁紧件；50、驱动部；60、安装轴套；70、安装座。
具体实施方式
需要说明的是，在不冲突的情况下，本申请中的实施例及实施例中的特征可以相互组合。下面将参考附图并结合实施例来详细说明本发明。
现有技术中，风叶轴与驱动部的电机轴卡接连接，而且电机轴与风叶轴在连接好以后周围并未支撑结构，即风叶轴的外壁面与安装座之间在径向上具有间隔，即风叶轴处于悬空状态。这种设置的空调器，在装配风叶时，需要对正风叶轴和电机轴，方能使风叶轴与驱动部的电机轴卡接。而在空调器中，风叶轴与电机轴被蒸发器遮挡，操作人员对风叶轴与电机轴的视角很小，这就增大了对正风叶轴和电机轴的难度。即现有技术中，装配风叶轴和电机轴时难以对正，因此操作困难、装配效率较低，且对正精度较低。为了解决现有技术的上述问题，发明人提出了以下的技术方案。
实施例一
如图1至图6所示，本发明提供了一种用于风叶的风叶支撑组件。实施例一的风叶支撑组件包括支撑座30、支撑结构20与风叶轴11；支撑座30包括支撑座本体，支撑座本体具有支撑座孔；支撑结构20设置在支撑座孔内，支撑结构20具有轴孔21；风叶轴11的一端穿出轴孔21后与驱动部50连接，且风叶轴11相对于支撑座30可移动地设置；其中，风叶轴11具有第一轴段111和与第一轴段111连接的第二轴段112，第一轴段111的直径小于第二轴段112的直径。
实施例一中，风叶支撑组件应用于空调器的风道组件，当采用该风叶支撑组件时，风叶轴11和驱动部50连接时，风叶轴11的第一轴段111设置在支撑结构20的轴孔21内；由于第一轴段111的直径小于第二轴段112的直径，风叶轴11相对于支撑座30可移动地设置，因此当风叶轴11和驱动部50连接时，风叶轴11的第一轴段111的外壁面和支撑结构20的轴孔21的内壁面之间存在间隔，这样当驱动部50驱动风叶轴11转动时，能避免由于微小的轴跳动引起的风叶轴11的外壁面与支撑结构20的轴孔21的内壁面之间相互摩擦或者碰撞，进而减小噪声，解决了现有技术中风叶轴与支撑结构之间因发生摩擦引起异响和噪声的问题。进一步地，由于摩擦较小，上述设置的风叶支撑组件能够防止风叶轴11被磨损。
如图1至图6所示，实施例一中，风叶轴11具有能够被驱动部50驱动的第一位置和与驱动部50分离的第二位置，当风叶轴11位于第一位置时，第一轴段111的外壁面与轴孔21的内壁面之间具有间隔，当风叶轴11位于第二位置时，第二轴段112与轴孔21的内壁面抵接。
实施例一中，该风叶支撑组件应用于空调器的风道组件。当空调器处于正常工作状态时，风叶轴11处于第一位置，驱动部50驱动风叶轴11转动。当需要将风叶10和风叶支撑组件从空调器上拆下时，在轴孔21的轴线方向上，风叶10朝远离驱动部50的方向移动，使风叶轴11从第一位置切换至第二位置，即可使风叶轴11脱离驱动部50，这样即可拆下风叶10和风叶支撑组件。
实施例一中，具体地，风叶支撑组件和风叶10装配在一起，为模块化结构。具体地，风叶10与风叶轴11连接，当风叶轴11位于第二位置时，第二轴段112的外壁面与轴孔21的内壁面抵接。这样支撑结构20能够限定风叶轴11在轴孔21的径向方向上移动，因而在拆下风叶10和风叶支撑组件的过程中，风叶轴11相对于支撑座30不会沿轴孔21的径向方向移动。当需要将风叶10和风叶支撑组件安装至空调器时，由于风叶轴11相对于支撑座30不会沿轴孔21的径向方向移动，因而将风叶10和风叶支撑组件安装至空调器上后，风叶轴11的轴线所在的位置相对于拆下之前没有发生变化，即此时的风叶轴11和驱动部50的电机轴同轴线。此时在轴孔21的轴线方向上，风叶10朝驱动部50的方向移动，即可使风叶轴11与驱动部50连接，在此过程中时，由于支撑结构20的支撑作用，操作人员无需手扶风叶轴11以对正风叶轴11和驱动部50，因此，实施例一的技术方案操作方便，装配效率较高。这样，本技术方案实现了在盲装的情况下，风叶轴11与驱动部50的电机轴能够自动对中的功能，且对中精度较高。
如图5和图6所示，实施例一中，风叶轴11还包括设置在第一轴段111和第二轴段112之间的过渡段113，自第一轴段111至第二轴段112，过渡段113的外径逐渐增大。
实施例一中，在第一轴段111和第二轴段112之间设置过渡段113。自第一轴段111至第二轴段112，过渡段113的外径逐渐增大，使第一轴段111和第二轴段112之间平滑过渡。当使风叶轴11从第一位置切换至第二位置的过程中，支撑结构20的轴孔21的朝向驱动部50的孔口在过渡段113的锥面上滑动，以使风叶轴11从第一位置切换至第二位置的过程中相对于支撑结构20的轴孔21的轴线自动对中，即风叶轴11从第一位置切换至第二位置的过程中，利用风叶轴11的过渡段113能够自动校正风叶轴11的位置。
以上也就是说，风叶轴11从第一位置切换至第二位置的过程中，过渡段113起到对中校正作用。将风叶10和风叶支撑组件装配至空调器时，使得装配后的空调器的风叶轴11和驱动部50的电机轴之间的同轴度高，防止后期运转时出现因风叶轴11的轴心和电机轴的轴心偏离造成的轴跳动，进而影响空调器的整机运转及其使用寿命。
如图3和图4所示，实施例一中，支撑结构20为套设在风叶轴11外周的套筒，套筒的内部通孔形成轴孔21，套筒为弹性件。
实施例一中，风叶轴11穿出套筒的内部通孔后即可和驱动部50连接。并且当风叶轴11处于第二位置时，套筒的内壁面和风叶轴11的第二轴段112的外壁面抵接，从而防止风叶轴11沿套筒的内部通孔的径向移动，方便后续装配风叶轴11和电机轴。上述设置中，套筒的内部通孔与风叶轴11的接触面积大，套筒对风叶轴11的作用面积大，套筒能更好的避免风叶轴11相对于支撑座30沿轴孔21的径向移动。并且套筒为弹性件，耐磨性好。优选地，套筒为橡胶材质制成，重量小。
如图1和图2所示，本发明提供了一种风道组件。实施例一的风道组件包括安装座70，风道组件还包括设置在安装座70上的风叶支撑组件以及与风叶轴11连接的风叶10，风叶支撑组件为前述的风叶支撑组件。
实施例一中，风叶支撑组件和风叶10安装在安装座70上。在将风道组件拆出空调器过程中，当风叶10在轴孔21的轴线方向上移动时，风叶轴11相对于支撑座30不会在轴孔21的径向方向上移动。因而在将风道组件装配至空调器时，风叶轴11的轴线所在的位置相对于风道组件被拆下之前没有发生变化。此时在轴孔21的轴线方向上，风叶10朝驱动部50的方向移动，即可使风叶轴11与驱动部50连接，装配方便。
如图1、图7与图8所示，实施例一中，风道组件还包括驱动部50，风叶轴11具有第一位置和第二位置，当风叶轴11位于第一位置时，风叶轴11能够被驱动部50驱动；当风叶轴11处于第二位置时，风叶轴11与驱动部50分离。
实施例一中，空调器处于正常工作状态时，风叶轴11处于第一位置，驱动部50驱动风叶轴11转动。当需要拆下风道组件，进行后续维修或清洗操作时，将风叶轴11从第一位置切换至第二位置，此时风叶轴11与驱动部50脱离，即可将风道组件从空调器上拆下。
如图2、图3与图6所示，实施例一中，风叶轴11具有轴向孔114，驱动部50的电机轴插入轴向孔114内，以连接驱动部50与风叶轴11。
实施例一中，电机轴插入轴向孔114内，即可连接驱动部50与风叶轴11，操作简单。并且上述设置的风叶轴11与电机轴的结构简单，便于实现。
当然，在未给出的实施例中，也可以在风叶轴11的朝向驱动部50的端面上设置有多个凸筋，电机轴的朝向风叶轴11的端面上设置有与多个凸筋一一对应的多个凹槽。当风叶轴11在第一位置时，凸筋插入对应的凹槽内，这样驱动部50就可以驱动风叶轴11转动。当风叶轴11在第二位置时，凸筋与对应的凹槽分离，这样就可以将风道组件从空调器上拆下。
如图6所示，实施例一中，轴向孔114贯穿第一轴段111和第二轴段112。上述设置的风叶轴11质量小。
如图2、图3与图6所示，实施例一中，风叶轴11还具有与轴向孔114连通的径向孔115，风道组件还包括锁紧件40，锁紧件40穿出径向孔115后与电机轴抵接接触，以将电机轴锁紧在风叶轴11上。
实施例一中，锁紧件40穿出径向孔115后伸入轴向孔114，并与电机轴的外壁面抵接接触，这样电机轴就可以带动风叶轴11转动。上述设置中，电机轴与风叶轴11结构简单，便以实现。
如图6所示，实施例一中，径向孔115设置在第二轴段112上，上述设置能缩短电机轴的长度。通过上述设置，由于径向孔115靠近驱动部50设置，方便安装锁紧件40，便于将电机轴锁紧在风叶轴11上。
优选地，径向孔115为螺纹孔，锁紧件40为螺钉。螺钉旋出螺纹孔后伸入轴向孔114，并抵接在电机轴的外壁面上，即可连接电机轴和风叶轴11，操作简单。
优选地，电机轴的外壁面上设有与其轴线平行的平面，螺钉抵接在该平面上，螺钉与平面的接触面积大，能更好的抵接在电机轴的外壁面上，避免发生螺钉在电机轴的外壁面上滑动的现象。
如图1至图4所示，本发明提供了一种空调器。该实施例的空调器包括外壳和设置在外壳内的风道组件，风道组件为前述的风道组件。
具体地，实施例一中，风叶10的远离风叶轴11一端设置有转轴；安装座70的远离驱动部50的一端设置有第一安装孔；风道组件还包括设置在第一安装孔内并与安装座70固定连接的安装轴套60，安装轴套60上设置有与转轴对应的第二安装孔，转轴的远离风叶轴11的一端插入第二安装孔内，转轴在安装轴套60的第二安装孔的轴线上相对于安装座70可移动的设置。上设置的风道组件中，无论风叶轴11在第一位置还是在第二位置，风叶10始终由处于风叶10的两端的安装轴套60和风叶支撑组件共同支撑。上述设置保证了风叶10的风叶轴11的轴线相对于安装座70的位置不变，进而确保在将风道组件从空调器上拆下，或者将风道组件安装至空调器上，风叶10的风叶轴11均与驱动部50的电机轴同轴线。因此将风道组件安装至空调器上时，可直接使风叶10朝向驱动部50移动，即可实现电机轴与风叶轴11的对接，然后拧紧螺钉即完成电机轴与风叶轴11的连接。整个安装过程无需专业工具校正风叶轴11与电机轴的同轴度。
本发明的方案在生产安装与售后拆卸风道组件以维修或清洗时。当将风道组件安装至空调器时，将安装座70安装至空调器上后，再将电机安装至空调器的电机座上；此时由于风叶轴11的轴线所在的位置相对于拆下之前没有发生变化，因而使风叶轴11从第二位置移动至第一位置，即可将风叶轴11快速对接电机轴，操作方便，保证了在空调器的内部空间不可视的情况下，也能快速将风叶轴11对接电机轴；在拆卸风道组件时，用螺丝刀将风叶轴11上的螺钉拆卸下来，然后在空调器的出风口处，手动拨动风叶10，使风叶轴11从第一位置移动至第二位置，即可将风叶轴11与电机轴分开，进而能将整个风道组件从空调器中拆出。上述从空调器上将风道组件拆出的操作快速，方便。
在确保了整机安全与可靠运行的前提下，本发明的方案具有以下的优点，将风道组件安装至空调器上后，风叶轴11与电机轴之间具有好的同轴度，避免了空调运行时出现由于风叶轴11与电机轴之间的同轴度不好引起的轴跳动，影响整机性能及使用寿命。本发明的空调器， 实现了快速拆卸与安装风道组件，即实现分离风道组件与空调器或者快速将风道组件安装至空调器上，满足空调器的模块化设计。
实施例二
实施例二和实施例一的区别在于，在实施例二的技术方案中，当风叶轴11位于第二位置时，过渡段113与轴孔21的内壁面抵接。
实施例二中，风叶轴11还包括设置在第一轴段111和第二轴段112之间的过渡段113，自第一轴段111至第二轴段112，过渡段113的外径逐渐增大，风叶轴11具有第一位置和第二位置，当风叶轴11位于第一位置时，第一轴段111的外壁面与轴孔21的内壁面之间具有间隔；当风叶轴11位于第二位置时，过渡段113与轴孔21的内壁面抵接。
实施例二中，风叶轴11从第一位置切换至第二位置的过程中，过渡段113具有上述自动对中校正的作用；并且当风叶轴11处于第二位置时，支撑结构20支撑风叶轴11的过渡段113，这样，风叶轴11处于第二位置时，风叶轴11相对于支撑座30不会沿轴孔21的径向方向移动。
实施例二中的其他结构与实施例一相同，此处不再赘述。
从以上的描述中，可以看出，本发明上述的实施例实现了如下技术效果：风叶支撑组件应用与空调器的风道组件。风叶轴和驱动部连接时，风叶轴的第一轴段设置在支撑结构的轴孔内；由于第一轴段的直径小于第二轴段的直径，并且风叶轴相对于支撑座可移动地设置，因此当风叶轴和驱动部连接时，风叶轴的第一轴段的外壁面和支撑结构的轴孔的内壁面之间存在间隔，这样当驱动部驱动风叶轴转动时，能避免由于微小的轴跳动引起的风叶轴的外壁面与支撑结构的轴孔的内壁面之间相互摩擦或者碰撞，进而减小噪声。解决了现有技术中风叶轴与支撑结构之间因发生摩擦或者碰撞引起异响和噪声的问题。并且上述设置的风叶支撑组件能够防止风叶轴被磨损。
以上所述仅为本发明的优选实施例而已，并不用于限制本发明，对于本领域的技术人员来说，本发明可以有各种更改和变化。凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。

Claims (12)

  1. 一种用于风叶的风叶支撑组件，其特征在于，所述风叶支撑组件包括：
    支撑座(30)，所述支撑座(30)包括支撑座本体，所述支撑座本体具有支撑座孔；
    支撑结构(20)，设置在所述支撑座孔内，所述支撑结构(20)具有轴孔(21)；
    风叶轴(11)，所述风叶轴(11)的一端穿出所述轴孔(21)后与驱动部(50)连接，且所述风叶轴(11)相对于所述支撑座(30)可移动地设置；其中，所述风叶轴(11)具有第一轴段(111)和与所述第一轴段(111)连接的第二轴段(112)，所述第一轴段(111)的直径小于所述第二轴段(112)的直径。
  2. 根据权利要求1所述的风叶支撑组件，其特征在于，所述风叶轴(11)具有能够被所述驱动部(50)驱动的第一位置和与所述驱动部(50)分离的第二位置，当所述风叶轴(11)位于第一位置时，所述第一轴段(111)的外壁面与所述轴孔(21)的内壁面之间具有间隔，当所述风叶轴(11)位于第二位置时，所述第二轴段(112)与所述轴孔(21)的内壁面抵接。
  3. 根据权利要求1所述的风叶支撑组件，其特征在于，所述风叶轴(11)还包括设置在所述第一轴段(111)和所述第二轴段(112)之间的过渡段(113)，自所述第一轴段(111)至所述第二轴段(112)，所述过渡段(113)的外径逐渐增大。
  4. 根据权利要求1所述的风叶支撑组件，其特征在于，所述风叶轴(11)还包括设置在所述第一轴段(111)和所述第二轴段(112)之间的过渡段(113)，自所述第一轴段(111)至所述第二轴段(112)，所述过渡段(113)的外径逐渐增大，所述风叶轴(11)具有第一位置和第二位置，当所述风叶轴(11)位于第一位置时，所述第一轴段(111)的外壁面与所述轴孔(21)的内壁面之间具有间隔；当所述风叶轴(11)位于第二位置时，所述过渡段(113)与所述轴孔(21)的内壁面抵接。
  5. 根据权利要求1至4中任一项所述的风叶支撑组件，其特征在于，所述支撑结构(20)为套设在所述风叶轴(11)外周的套筒，所述套筒的内部通孔形成所述轴孔(21)，所述套筒为弹性件。
  6. 一种风道组件，所述风道组件包括安装座(70)，其特征在于，所述风道组件还包括设置在所述安装座(70)上的风叶支撑组件以及与所述风叶轴(11)连接的风叶(10)，所述风叶支撑组件为权利要求1至5中任一项所述的风叶支撑组件。
  7. 根据权利要求6所述的风道组件，其特征在于，所述风道组件还包括驱动部(50)，所述风叶轴(11)具有第一位置和第二位置，当所述风叶轴(11)位于所述第一位置时，所述风叶轴(11)能够被所述驱动部(50)驱动；当所述风叶轴(11)处于所述第二位置时，所述风叶轴(11)与所述驱动部(50)分离。
  8. 根据权利要求6或7所述的风道组件，其特征在于，所述风叶轴(11)具有轴向孔(114)，所述驱动部(50)的电机轴插入所述轴向孔(114)内，以连接所述驱动部(50)与所述风叶轴(11)。
  9. 根据权利要求8所述的风道组件，其特征在于，所述轴向孔(114)贯通所述第一轴段和第二轴段。
  10. 根据权利要求8所述的风道组件，其特征在于，所述风叶轴(11)还具有与所述轴向孔(114)连通的径向孔(115)，所述风道组件还包括锁紧件(40)，所述锁紧件(40)穿出所述径向孔(115)后与所述电机轴抵接接触，以将所述电机轴锁紧在所述风叶轴(11)上。
  11. 根据权利要求10所述的风道组件，其特征在于，所述径向孔(115)开设在所述第二轴段(112)上。
  12. 一种空调器，包括外壳和设置在所述外壳内的风道组件，其特征在于，所述风道组件为权利要求6至11中任一项所述的风道组件。
PCT/CN2018/120373 2018-03-15 2018-12-11 用于风叶的风叶支撑组件、风道组件及空调器 WO2019174336A1 (zh)

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