WO2024124945A1 - 联轴器、空调室内机以及空调器 - Google Patents

联轴器、空调室内机以及空调器 Download PDF

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Publication number
WO2024124945A1
WO2024124945A1 PCT/CN2023/114016 CN2023114016W WO2024124945A1 WO 2024124945 A1 WO2024124945 A1 WO 2024124945A1 CN 2023114016 W CN2023114016 W CN 2023114016W WO 2024124945 A1 WO2024124945 A1 WO 2024124945A1
Authority
WO
WIPO (PCT)
Prior art keywords
sleeve
inner core
groove
coupling
air conditioner
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2023/114016
Other languages
English (en)
French (fr)
Inventor
阚昌利
谷勇
李运志
葛珊珊
唐长青
周柏松
祝孟豪
马明涛
文礼朝
吴淋
冯政博
尧潇
石丹梅
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GD Midea Heating and Ventilating Equipment Co Ltd
Hefei Midea Heating and Ventilating Equipment Co Ltd
Original Assignee
GD Midea Heating and Ventilating Equipment Co Ltd
Hefei Midea Heating and Ventilating Equipment Co Ltd
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 GD Midea Heating and Ventilating Equipment Co Ltd, Hefei Midea Heating and Ventilating Equipment Co Ltd filed Critical GD Midea Heating and Ventilating Equipment Co Ltd
Priority to US18/848,929 priority Critical patent/US20250198466A1/en
Priority to KR1020247031815A priority patent/KR20240153379A/ko
Priority to EP23902154.6A priority patent/EP4484843A4/en
Publication of WO2024124945A1 publication Critical patent/WO2024124945A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
    • F16D1/10—Quick-acting couplings in which the parts are connected by simply bringing them together axially
    • F16D1/108—Quick-acting couplings in which the parts are connected by simply bringing them together axially having retaining means rotating with the coupling and acting by interengaging parts, i.e. positive coupling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
    • F16D1/02—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for connecting two abutting shafts or the like
    • F16D1/04—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for connecting two abutting shafts or the like with clamping hub; with hub and longitudinal key
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D11/00—Clutches in which the members have interengaging parts
    • F16D2011/002—Clutches in which the members have interengaging parts using an external and axially slidable sleeve for coupling the teeth of both coupling components together
    • 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
    • F24F1/0033—Indoor units, e.g. fan coil units characterised by fans having two or more fans
    • 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
    • F24F2013/205—Mounting a ventilator fan therein

Definitions

  • the present disclosure relates to the technical field of air conditioning, and in particular to a coupling, an air conditioning indoor unit and an air conditioner.
  • the motor does not directly drive all the wind wheels, but instead sets a driven shaft, which is connected to some wind wheels.
  • the motor and the driven shaft transmit power through a coupling.
  • the coupling in the related technology has poor performance and insufficient strength and torsional resistance.
  • the present disclosure aims to solve the technical problems in the related art at least to a certain extent, and for this purpose, the present disclosure proposes a coupling.
  • the present disclosure relates to a coupling, comprising:
  • a spacer configured to be elastically deformable, provided on the sleeve to divide the chamber into a first cavity and a second cavity, the spacer being provided with a first groove open toward the first cavity, and a second groove open toward the second cavity, and along the circumference of the sleeve, at least a portion of the first groove and the second groove overlap;
  • a first inner core inserted into the first cavity and embedded in the first groove, suitable for connecting to the driving shaft;
  • the second inner core is inserted into the second cavity and embedded in the second groove, and is suitable for connecting with the driven shaft.
  • the first groove and the second groove include a plurality of grooves, and are alternately arranged along the circumference of the sleeve.
  • the first groove has a first side surface
  • the second groove has a second side surface
  • the first side surface and the second side surface are planes.
  • the first side surface and the second side surface extend along the axial direction of the sleeve.
  • the sleeve is configured to be elastically deformable
  • the sleeve and the spacer are integrally formed.
  • the sleeve is provided with one of a recess and a convex portion
  • the first inner core and the second inner core are provided with the other of the recess and the convex portion
  • the convex portion is embedded in the recess to prevent the first inner core and the second inner core from rotating relative to the sleeve.
  • the recessed portion and the convex portion include a plurality of portions, and along the circumference of the sleeve, the recessed portions are arranged at intervals, and the convex portions are arranged at intervals.
  • the recessed portion and the protruding portion extend along the axial direction of the sleeve respectively.
  • recesses are respectively provided at the peripheries of the outer ends of the first inner core and the second inner core, and a boss facing the central axis of the sleeve is provided at the end of the sleeve, and the boss is embedded in the recess.
  • the present disclosure also relates to an air-conditioning indoor unit, which includes the above-mentioned coupling.
  • the present disclosure also relates to an air conditioner, comprising the above-mentioned air conditioner indoor unit.
  • FIG1 is a schematic diagram of a motor-driven wind wheel of an air conditioner indoor unit in some embodiments
  • FIG2 is a schematic diagram of the connection between the motor and the driven shaft in some embodiments.
  • FIG3 is an exploded schematic diagram of a driving shaft, a driven shaft and a coupling in some embodiments
  • FIG4 is a cross-sectional view of a coupling in some embodiments.
  • Fig. 5 is an exploded view of the structure shown in Fig. 5;
  • FIG. 6 is a cross-sectional view of a sleeve in some embodiments.
  • Motor 1000 Motor body 1100, rotating shaft/driving shaft 1200; A wind wheel 2000, a first wind wheel 2100, a second wind wheel 2200, and a third wind wheel 2300; Drive shaft/driven shaft 3000; Coupling 4000; Sleeve 4100, chamber 4110, first cavity 4111, second cavity 4112, boss 4120, central axis 4130; Spacer 4200, first groove 4210, first side 4211, second groove 4220, second side 4221, groove Wall 4230; A first inner core 4300, a protrusion 4310; A second inner core 4400, a protrusion 4410; A convex portion 5100 and a concave portion 5200; Notch 6100 , bolt 6200 .
  • connection can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined.
  • fixation can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined.
  • the present disclosure proposes a coupling, which will be described in detail below in conjunction with an air-conditioning indoor unit. It can be understood that the coupling involved in the present disclosure is not limited to application to air-conditioning indoor units, but can also be used in other products.
  • the coupling 4000 includes a sleeve 4100, a spacer 4200, a first inner core 4300 and a second inner core 4400.
  • the strength of the coupling 4000 is enhanced, the torsional strength is improved, and the coupling 4000 is prevented from being easily damaged under impact.
  • a motor 1000 is configured for each wind wheel 2000, the cost of the whole air conditioner indoor unit will be greatly increased, and the weight of the motor 1000 is heavy, which will also cause the overall weight of the air conditioner indoor unit to be too heavy, which is not conducive to the hoisting operation of the air conditioner indoor unit.
  • Another way is to set up a motor 1000, which realizes the synchronous rotation of all the wind wheels 2000 through transmission. This way can greatly reduce the cost and reduce the weight of the air conditioner indoor unit.
  • the motor 1000 includes a motor body 1100 and a rotating shaft 1200.
  • the rotating shaft 1200 passes through the motor body 1100 and is exposed from both ends of the motor body 1100.
  • the motor body 1100 can drive the rotating shaft 1200 so that the rotating shaft 1200 rotates with its extension direction as the rotating axis 1.
  • the first wind wheel 2100 is fixed to one end of the rotating shaft 1200, and the motor body 1100 directly drives the first wind wheel 2100 through the rotating shaft 1200.
  • the second wind wheel 2200 and the third wind wheel 2300 are fixed by the transmission shaft 3000, that is, the transmission shaft 3000 is arranged along the center of the second wind wheel 2200 and the third wind wheel 2300 and is fixed to the second wind wheel 2200 and the third wind wheel 2300, and the other end of the rotating shaft 1200 is connected to the transmission shaft 3000 through the coupling 4000, so that the power output by the motor 1000 can be transmitted to the transmission shaft 3000 through the coupling 4000, thereby driving the second wind wheel 2200 and the third wind wheel 2300 to rotate.
  • the rotating shaft 1200 is regarded as the driving shaft 1200
  • the transmission shaft 3000 is regarded as the driven shaft 3000.
  • the sleeve 4100 of the coupling 4000 is a hollow cylindrical structure as a whole, so that it can enclose a chamber 4110 with a certain accommodating space.
  • the first inner core 4300 and the second inner core 4400 can be installed in the chamber 4110 and fixed to each other with the sleeve 4100.
  • the sleeve 4100 can play a role in positioning and installing the first inner core 4300 and the second inner core 4400, so as to facilitate the subsequent insertion of the driving shaft 1200 into the first inner core 4300 and the driven shaft 3000 into the second inner core 4400.
  • the space enclosed by the sleeve 4100 is provided with a spacer 4200, which can be regarded as being provided on the inner wall of the sleeve 4100, and the spacer 4200 and the sleeve 4100 are relatively fixed and inseparable, for example, the spacer 4200 and the sleeve 4100 are two components prepared separately and combined by connection, and the spacer 4200 and the sleeve 4100 can be fixed to each other by screw connection, welding, clamping, etc.
  • the spacer 4200 and the sleeve 4100 can be integrally injection molded or secondary injection molded, as long as the spacer 4200 can be fixed to the sleeve 4100.
  • the spacer 4200 divides the chamber 4110 into two, namely the second chamber 4112 and the first chamber 4111.
  • the first chamber 4111 and the second chamber 4112 can be arranged to be interconnected or not interconnected.
  • the spacer 4200 forms a hollow annular structure.
  • the spacer 4200 forms a hollow annular structure.
  • the cavities 4111 are not connected, that is, the partition portion 4200 forms a closed structure, the first cavity 4111 enables the first inner core 4300 to be inserted, and the second cavity 4112 enables the second inner core 4400 to be inserted.
  • the first inner core 4300 and the second inner core 4400 are both hollow cylindrical structures, so that the driving shaft 1200 can be inserted into the first inner core 4300 and the driven shaft 3000 can be inserted into the second inner core 4400 .
  • the coupling 4000 in the related art also includes a sleeve 4100, a first inner core 4300 and a second inner core 4400.
  • a bolt 6200 is used to penetrate the sleeve 4100 and the first inner core 4300 in sequence from the outside to the inside along the radial direction of the sleeve 4100 and abut against the driving shaft 1200, thereby achieving fixation between the driving shaft 1200, the first inner core 4300 and the sleeve 4100.
  • a bolt 6200 is used to penetrate the sleeve 4100 and the second inner core 4400 in sequence from the outside to the inside along the radial direction of the sleeve 4100 and abut against the driven shaft 3000, thereby achieving fixation between the driven shaft 3000, the second inner core 4400 and the sleeve 4100, so that power can be transmitted to the driven shaft 3000 through the driving shaft 1200 via the coupling 4000.
  • the spacer 4200 is provided with a first groove 4210 and a second groove 4220.
  • the first groove 4210 and the second groove 4220 are oriented in opposite directions to each other.
  • the first groove 4210 is open toward the first cavity 4111 and communicates with the first cavity 4111
  • the second groove 4220 is open toward the second cavity 4112 and communicates with the second cavity 4112.
  • the first groove 4210 and the second groove 4220 are at least partially overlapped in the circumferential direction of the sleeve 4100. It can be understood that the circumference of the sleeve 4100 is the direction of the central axis 4130 surrounding the sleeve 4100.
  • the central axis 4130 of the sleeve 4100 can also be understood as the central axis of the first inner core 4300 and the second inner core 4400.
  • first inner core 4300 When the first inner core 4300 is inserted into the first cavity 4111, it is also embedded in the first groove 4210, which means that the first inner core 4300 has a corresponding protrusion 4310, and the protrusion 4310 of the first inner core 4300 is embedded in the first groove 4210.
  • the second inner core 4400 is inserted into the second cavity 4112, it is also embedded in the second groove 4220, which also means that the second inner core 4400 has a corresponding protrusion 4410, and the protrusion 4410 of the second inner core 4400 is embedded in the second groove 4220.
  • the second groove 4220 and the first groove 4210 are overlapped in the circumferential direction of the sleeve 4100, it means that the protrusion 4310 of the first inner core 4300 and the protrusion 4410 of the second inner core 4400 are also overlapped in the circumferential direction of the sleeve 4100. Therefore, when the driving shaft 1200 drives the driven shaft 3000 to rotate through the coupling 4000, the driving shaft 1200 drives the first inner core 4300 to rotate. The movement trend is along the circumference of the sleeve 4100. It is in the circumferential direction of the sleeve 4100 that the protrusion 4310 of the first inner core 4300 and the protrusion 4410 of the second inner core 4400 are in an overlapping state.
  • the first inner core 4300 transmits power to the second inner core 4400 more effectively, and relative sliding is not easy to occur between the first inner core 4300 and the second inner core 4400, thereby improving the torsional resistance of the coupling 4000.
  • the driving shaft 1200 drives the first inner core 4300 to easily generate a large impact on the second inner core 4400, and this impact easily causes the coupling 4000 to be damaged.
  • the spacer 4200 separates the first inner core 4300 and the second inner core 4400, and the spacer 4200 is elastically deformable, thereby playing a buffering role, absorbing the energy brought by the impact, increasing the flexibility of the coupling 4000, and avoiding the coupling from being damaged.
  • the device 4000 is damaged under the impact.
  • the elastic deformation of the spacer 4200 can be brought by the characteristics of its own material, for example, the spacer 4200 is made of rubber material, so that elastic deformation can be achieved.
  • first groove 4210 and the second groove 4220 are respectively provided on the spacer 4200, and the first groove 4210 and the second groove 4220 at least partially overlap along the circumference of the sleeve 4100, when the first inner core 4300 and the second inner core 4400 are installed on the sleeve 4100, there is also an overlapped portion of the first inner core 4300 and the second inner core 4400 along the circumference of the sleeve 4100, so that the driving shaft 1200 more effectively transmits the force to the second inner core 4400 through the first inner core 4300, thereby driving the driven shaft 3000 to rotate.
  • the first inner core 4300 and the second inner core 4400 are separated by the elastically deformable spacer 4200, which can achieve flexible buffering and prevent the coupling 4000 from being damaged by a large impact.
  • first grooves 4210 there are a plurality of first grooves 4210, a plurality of second grooves 4220, and the second grooves 4220 and the first grooves 4210 are arranged alternately along the circumference of the sleeve 4100.
  • the driving shaft 1200 rotates, it acts on the first inner core 4300 to drive the second inner core 4400 to rotate.
  • the protrusions 4310 of the first inner core 4300 and the protrusions 4410 of the second inner core 4400 also have a plurality of protrusions 4410, so that the power transmission between the first inner core 4300 and the second inner core 4400 is more reliable.
  • the first groove 4210 has a first side surface 4211 along the circumference of the sleeve 4100
  • the second groove 4220 has a second side surface 4221 along the circumference of the sleeve 4100. It can be understood that the first groove 4210 forms the first side surface 4211 on the opposite sides of the circumference of the sleeve 4100, and the second groove 4220 forms the second side surface 4221 on the opposite sides of the circumference of the sleeve 4100. Therefore, a groove wall 4230 of a certain thickness is formed between the first side surface 4211 and the second side surface 4221.
  • the protrusion 4310 of the first inner core 4300 transfers the force to the protrusion 4410 of the second inner core 4400 by stopping the groove wall 4230.
  • the first side 4211 and the second side 4221 are planes, the surface contact between the protrusion 4310 of the first inner core 4300 and the protrusion 4410 of the second inner core 4400 can be achieved with the simplest structure, thereby achieving effective force transmission and preventing the spacer 4200 from being damaged by excessive force.
  • the first side surface 4211 is extended along the axial direction of the sleeve 4100
  • the second side surface 4221 is extended along the axial direction of the sleeve 4100.
  • the protrusion 4310 of the first inner core 4300 can be more easily embedded in the first groove 4210
  • the protrusion 4410 of the second inner core 4400 can be more easily embedded in.
  • the sleeve 4100 is also designed to be elastically deformable, so that the first inner core 4300 and the second inner core 4400 can be installed in the sleeve 4100.
  • An interference fit is achieved, thereby achieving the initial positioning and fixing between the first inner core 4300, the second inner core 4400 and the sleeve 4100.
  • the sleeve 4100 has a certain elasticity that, in the process of the coupling 4000 transmitting power, it can cooperate with the transmission of the force of the active shaft 1200 and the first inner core 4300 and the second inner core 4400 to undergo a certain deformation, so that the flexibility of the coupling 4000 is effectively improved.
  • the sleeve 4100 is also made of rubber material and can be integrally formed with the spacer 4200, so that the elastic deformation of the sleeve 4100 and the spacer 4200 can be achieved, and the overall structural performance between the sleeve 4100 and the spacer 4200 can also be enhanced.
  • the first inner core 4300 and the sleeve 4100 are embedded in each other, and the second inner core 4400 and the sleeve 4100 are also embedded in each other, which is achieved by the recess 5200 and the protrusion 5100.
  • the configuration of the convex portion 5100 and the concave portion 5200 for the first inner core 4300 and the second inner core 4400 and the configuration of the convex portion 5100 for the sleeve 4100 have the same principle, which will not be repeated.
  • the first inner core 4300 and the second inner core 4400 are respectively provided with a convex portion 5100, and the sleeve 4100 is provided with a concave portion 5200 at the first cavity 4111 and the second cavity 4112.
  • the convex portion 5100 is inserted into the concave portion 5200
  • the convex portion 5100 is inserted into the concave portion 5200.
  • the concave portion 5200 cannot be connected along the circumference of the sleeve 4100, so as to prevent the first inner core 4300 from rotating relative to the sleeve 4100 and prevent the second inner core 4400 from rotating relative to the sleeve 4100, thereby enhancing the fixing effect between the first inner core 4300 and the second inner core 4400 and the sleeve 4100.
  • the convex part 5100 and the concave part 5200 each include a plurality of them, and along the circumference of the sleeve 4100, the convex parts 5100 are arranged at intervals, and the concave parts 5200 are also arranged at intervals, and the convex parts 5100 and the concave parts 5200 correspond to each other one by one, so that the first inner core 4300 and the sleeve 4100, and the second inner core 4400 and the sleeve 4100 can be effectively fixed in the circumference of the sleeve 4100, further improving the connection performance between the first inner core 4300 and the sleeve 4100, and the second inner core 4400 and the sleeve 4100, and preventing the sleeve 4100 from loosening.
  • the concave parts 5200 and the convex parts 5100 are both arranged to extend along the axial direction of the sleeve 4100, the performance is better.
  • the periphery of the outer end of the second inner core 4400 and the periphery of the outer end of the first inner core 4300 are both provided with a recess 6100, and the end of the sleeve 4100 is provided with a boss 4120 facing the central axis 4130 of the sleeve 4100, so that when the first inner core 4300 is installed in the first cavity 4111 and the second inner core 4400 is installed in the second cavity 4112, the boss 4120 can be embedded in the recess 6100, thereby enhancing the connection effect between the sleeve 4100 and the first inner core 4300 and the second inner core 4400 along the axial direction of the sleeve 4100.
  • the present disclosure also relates to an air conditioner indoor unit, which includes the coupling 4000 of the above embodiment.
  • the structure of the coupling 4000 of this embodiment refers to the above embodiment. Since the air conditioner indoor unit adopts the technical solution of the above embodiment, it at least has the beneficial effects brought by the technical solution of the above embodiment, which will not be repeated here.
  • the present disclosure also relates to an air conditioner, which includes the above-mentioned air conditioner indoor unit.
  • the structure of the indoor unit of the air conditioner in this embodiment refers to the above embodiment. Since the air conditioner adopts the technical solution of the above embodiment, it has at least the beneficial effects brought by the technical solution of the above embodiment, which will not be repeated here.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

一种联轴器、空调室内机和空调器。联轴器包括套筒、间隔部、第一内芯和第二内芯，其中套筒设有腔室，间隔部被配置为可弹性形变，设于套筒以将腔室分成第一容腔和第二容腔，间隔部设有朝向第一容腔敞开的第一凹槽，和朝向第二容腔敞开的第二凹槽，沿套筒的周向，第一凹槽和第二凹槽的至少部分重合，第一内芯插设第一容腔且嵌入第一凹槽，适于连接主动轴，第二内芯插设第二容腔且嵌入第二凹槽，适于连接从动轴。

Description

联轴器、空调室内机以及空调器
相关申请的交叉引用
本公开要求于2022年12月12日提交中国专利局、申请号为202223358210.7、申请名称为“联轴器、空调室内机以及空调器”的中国专利申请的优先权，其全部内容通过引用结合在本公开中。
技术领域
本公开涉及空调技术领域，特别涉及一种联轴器、空调室内机以及空调器。
背景技术
空调室内机中包括有多个风轮时，电机不会直接驱动全部的风轮，而是通过设置从动轴，从动轴和一些风轮连接，电机和从动轴通过联轴器实现动力的传递，相关技术中的联轴器性能不佳，强度和抗扭能力不足。
申请内容
本公开旨在至少在一定程度上解决相关技术中的技术问题，为此本公开提出一种联轴器。
为实现上述目的，本公开涉及一种联轴器，所述联轴器包括：
套筒，设有腔室；
间隔部，被配置为可弹性形变，设于所述套筒以将所述腔室分成第一容腔和第二容腔，所述间隔部设有朝向所述第一容腔敞开的第一凹槽，和朝向所述第二容腔敞开的第二凹槽，沿所述套筒的周向，所述第一凹槽和所述第二凹槽的至少部分重合；
第一内芯，插设所述第一容腔且嵌入所述第一凹槽，适于连接主动轴；以及
第二内芯，插设所述第二容腔且嵌入所述第二凹槽，适于连接从动轴。
在本公开的一些实施例中，所述第一凹槽和所述第二凹槽包括多个，且沿着所述套筒的周向交替排布。
在本公开的一些实施例中，沿所述套筒的周向，所述第一凹槽具有第一侧面，所述第二凹槽具有第二侧面，所述第一侧面和所述第二侧面为平面。
在本公开的一些实施例中，所述第一侧面和所述第二侧面沿所述套筒的轴向延伸。
在本公开的一些实施例中，所述套筒被配置为可弹性形变；
和/或，所述套筒和所述间隔部一体成型。
在本公开的一些实施例中，所述套筒设有凹部和凸部中的一者，所述第一内芯与所述第二内芯设有所述凹部和所述凸部中的另一者，所述凸部嵌入所述凹部以阻碍第一内芯和第二内芯相对于所述套筒转动。
在本公开的一些实施例中，所述凹部和所述凸部包括多个，沿所述套筒的周向，所述凹部间隔排布，所述凸部间隔排布。
在本公开的一些实施例中，所述凹部和所述凸部分别沿所述套筒的轴向延伸。
在本公开的一些实施例中，所述第一内芯的外端的周边和所述第二内芯的外端的周边分别设有凹口，所述套筒的端部设有朝向所述套筒的中轴的凸台，所述凸台嵌入于所述凹口。
本公开还涉及一种空调室内机，所述空调室内机包括上述联轴器。
本公开还涉及一种空调器，所述空调器包括上述空调室内机。
附图说明
为了更清楚地说明本公开实施例或相关技术中的技术方案，下面将对实施例或相关技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本公开的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图示出的结构获得其他的设计。
图1为一些实施例中空调室内机的电机驱动风轮示意图；
图2为一些实施例中电机与从动轴连接示意图；
图3为一些实施例中主动轴、从动轴与联轴器分解示意图；
图4为一些实施例中联轴器剖视图；
图5为图5所示结构分解图；
图6为一些实施例中套筒剖视图。
附图标号说明：
电机1000；
电机主体1100，转动轴/主动轴1200；
风轮2000，第一风轮2100，第二风轮2200，第三风轮2300；
传动轴/从动轴3000；
联轴器4000；
套筒4100，腔室4110，第一容腔4111，第二容腔4112，凸台4120，中轴4130；
间隔部4200，第一凹槽4210，第一侧面4211，第二凹槽4220，第二侧面4221，凹槽
壁4230；
第一内芯4300，突出部4310；
第二内芯4400，突出部4410；
凸部5100，凹部5200；
凹口6100，螺栓6200。
本公开目的的实现、功能特点及优点将结合实施例，参照附图做进一步说明。
具体实施方式
下面将结合本公开实施例中的附图，对本公开实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本公开的一部分实施例，而不是全部的实施例。基于本公开中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本公开保护的范围。
需要说明，本公开实施例中所有方向性指示(诸如上、下、左、右、前、后……)仅用于解释在某一特定姿态(如附图所示)下各部件之间的相对位置关系、运动情况等，如果该特定姿态发生改变时，则该方向性指示也相应地随之改变。
在本公开中，除非另有明确的规定和限定，术语“连接”、“固定”等应做广义理解，例如，“固定”可以是固定连接，也可以是可拆卸连接，或成一体；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通或两个元件的相互作用关系，除非另有明确的限定。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本公开中的具体含义。
另外，在本公开中如涉及“第一”、“第二”等的描述仅用于描述目的，而不能理解为指示或暗示其相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括至少一个该特征。另外，各个实施例之间的技术方案可以相互结合，但是必须是以本领域普通技术人员能够实现为基础，当技术方案的结合出现相互矛盾或无法实现时应当认为这种技术方案的结合不存在，也不在本公开要求的保护范围之内。
本公开提出一种联轴器，下文中将结合空调室内机对联轴器进行详细说明，可以理解的是，本公开所涉及的联轴器不仅限于应用到空调室内机，还可以用应到其它产品中。
结合图1至图3所示，在本公开的一些实施例中，联轴器4000包括有套筒4100、间隔部4200、第一内芯4300和第二内芯4400，通过套筒4100、间隔部4200、第一内芯4300和第二内芯4400的相互配合，从而增强了联轴器4000的强度，提高了抗扭强度，防止联轴器4000在冲击下容易出现损坏。
可以理解的是，在一些尺寸较大的空调室内机中，例如大型的风管式空调室内机中，设置有数个出风口和数个风轮2000，每个出风口相对应设置一个风轮2000，风轮2000在电机1000的作用下实现转动，从而抽吸室内的空气并通过出风口输出。为了实现多个风轮2000的驱动有多种方式，例如针对每一个风轮2000均设置单独的电机1000，即风轮2000和电机1000一一对应，通过每个电机1000的驱动实现所有风轮2000的转动，但是这样的方式存在一个较大的缺陷就是，单个电机1000的成本较高，若为每个风轮2000均配置电机1000，那么空调室内机的整机成本便会大大提高，并且电机1000的重量较重，这样也会导致空调室内机的整体过重，不利于空调室内机进行吊装作业。另外一种方式便是设置一个电机1000，该电机1000通过传动的方式实现所有风轮2000的同步转动，这种方式能大大降低成本并且降低空调室内机的整机重量。
例如，空调室内机中设置有三个风轮2000，三个风轮2000分别是第一风轮2100、第二风轮2200和第三风轮2300，电机1000包括有电机主体1100和转动轴1200，转动轴1200穿设电机主体1100并且从电机主体1100的两端露出，电机主体1100可以驱动转动轴1200，使得转动轴1200以其延伸方向为转动轴1线进行转动，第一风轮2100固定到转动轴1200的一端，电机主体1100通过转动轴1200直接驱动第一风轮2100。第二风轮2200和第三风轮2300被传动轴3000固定，即传动轴3000沿着第二风轮2200和第三风轮2300的中心穿设并且与第二风轮2200和第三风轮2300相固定，转动轴1200的另一端通过联轴器4000和传动轴3000实现连接，如此电机1000输出的动力便可通过联轴器4000传递至传动轴3000，从而驱动第二风轮2200和第三风轮2300转动，这种情况下，转动轴1200视为主动轴1200，而传动轴3000视为从动轴3000。
联轴器4000的套筒4100整体为中空的筒状结构，如此能围设呈具有一定容纳空间的腔室4110，第一内芯4300和第二内芯4400可安装到腔室4110中而和套筒4100相互固定，套筒4100能对第一内芯4300和第二内芯4400起到定位安装的作用，便于后续将主动轴1200插入到第一内芯4300和将从动轴3000插入到第二内芯4400。
套筒4100所围设的空间设置有间隔部4200，可以视为间隔部4200设置在套筒4100的内壁，间隔部4200和套筒4100之间相对固定而不可分离，例如间隔部4200和套筒4100分别是两个单独制备而通过连接方式实现结合的部件，可以是间隔部4200和套筒4100之间采用螺接、焊接、卡接等方式相互固定。还可以是，间隔部4200和套筒4100是一体注成型或二次注塑成型，只要能实现间隔部4200固定在套筒4100即可。当间隔部4200设置到套筒4100时，间隔部4200将腔室4110分设成两个，分别是第二容腔4112和第一容腔4111，第一容腔4111和第二容腔4112可以设置为相互连通或不相互连通，当第二容腔4112和第一容腔4111相互连通时即间隔部4200形成中空环状结构，当第二容腔4112和第一容 腔4111不连通时即间隔部4200形成封闭的结构，第一容腔4111实现第一内芯4300的插入，第二容腔4112实现第二内芯4400的插入。
第一内芯4300和第二内芯4400均呈中空的筒状结构，这样就可以使得主动轴1200插入到第一内芯4300中，从动轴3000插入到第二内芯4400中。可以理解的是，相关技术中的联轴器4000也是包括套筒4100、第一内芯4300和第二内芯4400的，当主动轴1200插入到第一内芯4300时，采用螺栓6200沿着套筒4100的径向自外向内依次穿设套筒4100、第一内芯4300而抵接到主动轴1200，实现主动轴1200、第一内芯4300和套筒4100之间的固定，当从动轴3000插入到第二内芯4400时，采用螺栓6200沿着套筒4100的径向自外向内依次穿设套筒4100、第二内芯4400而抵接到从动轴3000上，如此实现从动轴3000、第二内芯4400和套筒4100之间的固定，如此可以通过主动轴1200经由联轴器4000将动力传递至从动轴3000。
为了增强联轴器4000的抗扭性能，间隔部4200设置有第一凹槽4210和第二凹槽4220，第一凹槽4210和第二凹槽4220的朝向相互背离，第一凹槽4210朝向第一容腔4111敞开而与第一容腔4111连通，第二凹槽4220朝向第二容腔4112敞开而与第二容腔4112连通，并且，第一凹槽4210和第二凹槽4220在套筒4100的周向方向上，呈现出至少部分重合的状态，可以理解的是，套筒4100的周向即为环绕套筒4100的中轴4130的方向，套筒4100的中轴4130也可以理解为第一内芯4300和第二内芯4400的中轴。当第一内芯4300插入到第一容腔4111时还嵌入到第一凹槽4210中，意味着第一内芯4300具有相应的突出部4310，第一内芯4300的突出部4310嵌入到第一凹槽4210中，而当第二内芯4400插入到第二容腔4112时还嵌入到第二凹槽4220中，也意味着第二内芯4400具有相应的突出部4410，第二内芯4400的突出部4410嵌入到第二凹槽4220中。由于第二凹槽4220和第一凹槽4210在套筒4100的周向方向上呈现出重合的状态，意味着第一内芯4300的突出部4310和第二内芯4400的突出部4410也在套筒4100的周向方向上呈现出相互重合的状态，因此当主动轴1200通过联轴器4000带动从动轴3000转动时，主动轴1200带动第一内芯4300具有转动的趋势，这个转动的趋势即为沿着套筒4100的周向，正是在套筒4100的周向方向上，第一内芯4300的突出部4310和第二内芯4400的突出部4410呈现出重合的状态，因此在套筒4100的周向方向上，第一内芯4300更有效地将动力传至第二内芯4400，第一内芯4300和第二内芯4400之间不容易发生相对滑动，提高了联轴器4000的抗扭性能。
此外，在电机1000启动和关闭的瞬间，主动轴1200带动第一内芯4300容易对第二内芯4400产生较大的冲击，这种冲击容易使得联轴器4000出现损坏，而在本实施例中，间隔部4200将第一内芯4300和第二内芯4400分隔开来，并且间隔部4200是可弹性形变的，从而起到缓冲的作用，吸收了冲击所带来的能量，增加联轴器4000的柔韧性，避免在联轴 器4000在冲击下出现损坏。可以理解的是，间隔部4200的可弹性形变可由其自身的材质所带来的特性，例如间隔部4200采用橡胶材质制备而成，从而可以实现弹性形变。
由上可知，通过在间隔部4200上分别设置出第一凹槽4210和第二凹槽4220，并且第一凹槽4210和第二凹槽4220沿着套筒4100的周向至少部分重合，如此，当第一内芯4300和第二内芯4400安装到套筒4100，沿着套筒4100的周向第一内芯4300和第二内芯4400也存在着重合的部分，如此主动轴1200更有效地通过第一内芯4300将力传递至第二内芯4400从而驱动从动轴3000转动。此外，第一内芯4300和第二内芯4400之间通过可弹性形变的间隔部4200分开，能实现柔性缓冲，防止产生大的冲击而导致联轴器4000的损坏。
可选地，为了提高第一内芯4300和第二内芯4400之间的动力传递可靠性以及联轴器4000的整体结构强度，结合图1至图6所示，在本公开的一些实施例中，第一凹槽4210具有多个，第二凹槽4220也具有多个，并且沿着套筒4100的周向，第二凹槽4220和第一凹槽4210呈现交替排布。由于在主动轴1200转动时，会作用于第一内芯4300以带动第二内芯4400转动，因此将第一凹槽4210和第二凹槽4220均设置多个时，第一内芯4300的突出部4310和第二内芯4400的突出部4410也相应地具有多个，使得第一内芯4300和第二内芯4400之间的力的传递更可靠。
结合图6所示，在本公开的一些实施例中，第一凹槽4210沿着套筒4100的周向具有第一侧面4211，第二凹槽4220沿着套筒4100的周向具有第二侧面4221，可以理解的是，第一凹槽4210在套筒4100的周向上的相对两侧均形成第一侧面4211，第二凹槽4220在套筒4100的周向上的相对两侧均形成第二侧面4221，因此第一侧面4211和第二侧面4221之间形成一定厚度的凹槽壁4230，在第一内芯4300将力传递至第二内芯4400时，第一内芯4300的突出部4310通过止抵凹槽壁4230而将力传递至第二内芯4400的突出部4410。通过将第一侧面4211和第二侧面4221设计成平面，从而可以以最简单的结构实现和第一内芯4300的突出部4310与第二内芯4400的突出部4410的面接触，从而实现力的有效传递，防止间隔部4200受力过大而损坏。
可选地，结合图4和图6所示，在本公开的一些实施例中，第一侧面4211沿着套筒4100的轴向方向延伸设置，第二侧面4221沿着套筒4100的轴向方向延伸设置，如此，配合第一侧面4211和第二侧面4221均是平面的情况下，当第一内芯4300插入时可以使得第一内芯4300的突出部4310更容易地嵌入到第一凹槽4210中，当第二内芯4400插入时可以使得第二内芯4400的突出部4410更容易地嵌入到。
为了有效实现第一内芯4300和第二内芯4400安装定位到套筒4100中，降低安装的难度，提高联轴器4000整体的柔性性能，在本公开的一些实施例中，将套筒4100也设计成为可弹性形变的，这样在第一内芯4300和第二内芯4400安装到套筒4100时可与套筒4100 实现过盈配合，从而实现第一内芯4300、第二内芯4400和套筒4100之间的初步定位固定。也正是套筒4100具有了一定的弹性，因此在联轴器4000传递动力的过程中，能配合主动轴1200的力的传递和第一内芯4300与第二内芯4400而发生一定的形变，使得联轴器4000的柔性性能得到有效的提高。例如套筒4100也采用橡胶材质制备而成，可以和间隔部4200一体成型，如此既可以实现套筒4100和间隔部4200的可弹性形变的实现，还可以增强套筒4100和间隔部4200之间的整体结构性能。
结合图3和图6所示，在本公开的一些实施例中，为了增强第一内芯4300和第二内芯4400与套筒4100之间固定效果，第一内芯4300和套筒4100之间相互嵌设，第二内芯4400和套筒4100之间也是相互嵌设，通过凹部5200和凸部5100来实现。
以第一内芯4300和第二内芯4400设置凸部5100，而套筒4100设置凹部5200来说明，第一内芯4300和第二内芯4400设置凹部5200而套筒4100设置凸部5100具有相同的原理，不再重复赘述。第一内芯4300和第二内芯4400分别设置有凸部5100，而套筒4100位于第一容腔4111和第二容腔4112处均设置有凹部5200，当第一内芯4300插入到第一容腔4111时，凸部5100插入凹部5200中，第二内芯4400插入到第二容腔4112时，凸部5100插入到凹部5200中，可以理解的是，凹部5200不能沿着套筒4100的周向呈连通状，如此才能防止第一内芯4300相对于套筒4100转动，以及防止第二内芯4400相对于套筒4100转动，增强第一内芯4300和第二内芯4400与套筒4100之间的固定效果。
可选地，凸部5100和凹部5200均包括多个，并且沿着套筒4100的周向，凸部5100呈现间隔排布，而凹部5200也呈现间隔排布，凸部5100和凹部5200一一对应，这样，在套筒4100的周向上均能对第一内芯4300和套筒4100，以及第二内芯4400和套筒4100之间形成有效的固定，进一步提高了第一内芯4300与套筒4100以及第二内芯4400与套筒4100之间的连接性能，防止套筒4100的松脱。特别地，将凹部5200和凸部5100均设置为沿着套筒4100的轴向延伸时性能更优。
结合图5所示，在本公开的一些实施例中，第二内芯4400的外端的周边和第一内芯4300的外端的周边均设置有凹口6100，而套筒4100的端部设有朝向套筒4100的中轴4130的凸台4120，这样当第一内芯4300安装到第一容腔4111，第二内芯4400安装到第二容腔4112时，凸台4120即可嵌入到凹口6100中，从而沿套筒4100的轴向方向增强套筒4100与第一内芯4300和第二内芯4400之间的连接效果。
本公开还涉及一种空调室内机，该空调室内机包括上述实施例的联轴器4000。本实施例的联轴器4000的结构参照上述实施例，由于空调室内机采用了上述实施例的技术方案，因此至少具有上述实施例的技术方案所带来的有益效果，在此不再赘述。
本公开还涉及一种空调器，该空调器包括上述空调室内机。具体地，空调器的空调室 外机和空调室内机连接，以实现冷媒循环。本实施例的空调室内机的结构参照上述实施例，由于空调器采用了上述实施例的技术方案，因此至少具有上述实施例的技术方案所带来的有益效果，在此不再赘述。
以上所述仅为本公开的一些实施例，并非因此限制本公开的专利范围，凡是在本公开的构思下，利用本公开说明书及附图内容所作的等效结构变换，或直接/间接运用在其他相关的技术领域均包括在本公开的专利保护范围内。

Claims (11)

  1. 一种联轴器，其中，包括：
    套筒，设有腔室；
    间隔部，被配置为可弹性形变，设于所述套筒以将所述腔室分成第一容腔和第二容腔，所述间隔部设有朝向所述第一容腔敞开的第一凹槽，和朝向所述第二容腔敞开的第二凹槽，沿所述套筒的周向，所述第一凹槽和所述第二凹槽的至少部分重合；
    第一内芯，插设所述第一容腔且嵌入所述第一凹槽，适于连接主动轴；以及
    第二内芯，插设所述第二容腔且嵌入所述第二凹槽，适于连接从动轴。
  2. 如权利要求1所述的联轴器，其中，所述第一凹槽和所述第二凹槽包括多个，且沿着所述套筒的周向交替排布。
  3. 如权利要求1所述的联轴器，其中，沿所述套筒的周向，所述第一凹槽具有第一侧面，所述第二凹槽具有第二侧面，所述第一侧面和所述第二侧面为平面。
  4. 如权利要求3所述的联轴器，其中，所述第一侧面和所述第二侧面沿所述套筒的轴向延伸。
  5. 如权利要求1所述的联轴器，其中，所述套筒被配置为可弹性形变；
    和/或，所述套筒和所述间隔部一体成型。
  6. 如权利要求1所述的联轴器，其中，所述套筒设有凹部和凸部中的一者，所述第一内芯与所述第二内芯设有所述凹部和所述凸部中的另一者，所述凸部嵌入所述凹部以阻碍第一内芯和第二内芯相对于所述套筒转动。
  7. 如权利要求6所述的联轴器，其中，所述凹部和所述凸部包括多个，沿所述套筒的周向，所述凹部间隔排布，所述凸部间隔排布。
  8. 如权利要求6所述的联轴器，其中，所述凹部和所述凸部分别沿所述套筒的轴向延伸。
  9. 如权利要求1所述的联轴器，其中，所述第一内芯的外端的周边和所述第二内芯的外端的周边分别设有凹口，所述套筒的端部设有朝向所述套筒的中轴的凸台，所述凸台嵌入于所述凹口。
  10. 一种空调室内机，其中，包括权利要求1至9任一项所述的联轴器。
  11. 一种空调器，其中，包括权利要求10所述的空调室内机。
PCT/CN2023/114016 2022-12-12 2023-08-21 联轴器、空调室内机以及空调器 Ceased WO2024124945A1 (zh)

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CN219063705U (zh) * 2022-12-12 2023-05-23 广东美的暖通设备有限公司 联轴器、空调室内机以及空调器

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