EP4030108A1 - Drehflügelstruktur für zylinderförmige gehäuseinneneinheit sowie zylinderförmige gehäuseinneneinheit - Google Patents

Drehflügelstruktur für zylinderförmige gehäuseinneneinheit sowie zylinderförmige gehäuseinneneinheit Download PDF

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Publication number
EP4030108A1
EP4030108A1 EP21193078.9A EP21193078A EP4030108A1 EP 4030108 A1 EP4030108 A1 EP 4030108A1 EP 21193078 A EP21193078 A EP 21193078A EP 4030108 A1 EP4030108 A1 EP 4030108A1
Authority
EP
European Patent Office
Prior art keywords
indoor unit
cylindrical cabinet
shaft sleeve
rotary blade
blade structure
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.)
Granted
Application number
EP21193078.9A
Other languages
English (en)
French (fr)
Other versions
EP4030108B1 (de
Inventor
Lianyu SHAN
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.)
Beijing Xiaomi Mobile Software Co Ltd
Original Assignee
Beijing Xiaomi Mobile Software 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 Beijing Xiaomi Mobile Software Co Ltd filed Critical Beijing Xiaomi Mobile Software Co Ltd
Publication of EP4030108A1 publication Critical patent/EP4030108A1/de
Application granted granted Critical
Publication of EP4030108B1 publication Critical patent/EP4030108B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
    • F24F1/005—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted on the floor; standing on the floor
    • 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
    • F24F1/0011—Indoor units, e.g. fan coil units characterised by air outlets
    • 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
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre

Definitions

  • the present disclosure relates to a technical field of a cabinet machine, and more particularly to a rotary blade structure for a cylindrical cabinet indoor unit and a cylindrical cabinet indoor unit.
  • a product such as a cabinet indoor unit of an air conditioner, a cabinet air conditioner fan, a cabinet air purifier or the like has a sweep blade structure. An air output direction is changed by rotation of the sweep blade.
  • the sweep blade of the traditional cabinet indoor unit is directly fitted with a mounting hole of an air duct, and a clearance reserved between the sweep blade and the mounting hole is relatively large, so that the sweep blade always has a continuous shake when rotating normally, thus greatly affecting a user experience.
  • the rotary blade structure for the cylindrical cabinet indoor unit includes a shaft sleeve, a sweep blade and an air-duct mounting frame, the sweep blade is arranged at the air-duct mounting frame, both ends of the sweep blade are rotatably connected with the air-duct mounting frame, and at least one of the both ends of the sweep blade is rotatably connected with the air-duct mounting frame through the shaft sleeve.
  • the shaft sleeve is provided with a shaft hole running through the shaft sleeve at the position of an axis of the shaft sleeve.
  • the shaft sleeve includes a positioning post, a limiting rib and a snap
  • the limiting rib is arranged at one end of the positioning post and parallel to an end face of the one end of the positioning post
  • the snap is arranged at the other end of the positioning post and perpendicular to an end face of the other end of the positioning post.
  • the snap includes a limiting post and a snapping leg, one end of the limiting post is fixedly connected with the positioning post, an outer peripheral wall of the limiting post is provided with symmetrical cut planes, and the snapping leg is arranged at the cut plane and extends away from the positioning post.
  • the limiting post and the positioning post are coaxially arranged, and the snapping leg is arranged perpendicularly to the end face of the positioning post.
  • an end portion of the snapping leg is provided with a snapping tab inclined towards the limiting post.
  • a side of the snapping leg adjacent to the shaft hole is provided with a groove along a length direction of the snapping leg.
  • both ends of the limiting rib extend beyond an outer peripheral wall of the positioning post.
  • an end portion of the sweep blade connected with the shaft sleeve is provided with a snapping collar corresponding to the snap.
  • the snap is snapped with the sweep blade through the snapping collar.
  • a plurality of round holes are formed in a side wall of the air-duct mounting frame connected with the shaft sleeve, and the round hole corresponds to the positioning posts.
  • the positioning post of the shaft sleeve is mounted in the round hole and configured to rotate in the round hole.
  • a difference between a diameter of the round hole and a diameter of the positioning post ranges from 0.2mm to 0.4mm.
  • Embodiments of a second aspect of the present disclosure further provide a cylindrical cabinet indoor unit.
  • the cylindrical cabinet indoor unit includes the rotary blade structure for the cylindrical cabinet indoor unit in any of the above embodiments.
  • the cylindrical cabinet indoor unit further includes: an indoor unit body; a mounting panel arranged at the indoor unit body; and an air duct assembly arranged at the mounting panel, and including the rotary blade structure for the cylindrical cabinet indoor unit.
  • the present disclosure at least includes following beneficial effects.
  • the sweep blade is indirectly and rotatably connected with the air-duct mounting frame through the shaft sleeve, and the rotation fit of the shaft sleeve and the air-duct mounting frame reduces the shake amount of the sweep blade during normal rotation, so as to solve the problem of the shake of the sweep blade during operation, enhance the stability and smoothness of the sweep blade during rotation, and improve the user experience.
  • the present disclosure provides a rotary blade structure for a cylindrical cabinet indoor unit, including: a shaft sleeve 1, a sweep blade 2 and an air-duct mounting frame 3.
  • the air-duct mounting frame 3 is provided with a plurality of sweep blades 2, and both ends of the sweep blade 2 are rotatably connected with the air-duct mounting frame 3, and at least one of the both ends of the sweep blade 2 is rotatably connected with the air-duct mounting frame 3 through the shaft sleeve 1.
  • the plurality of sweep blades 2 are provided on the air-duct mounting frame 3, and the sweep blade 2 is rotatably connected with the air-duct mounting frame 3 through the shaft sleeve 1.
  • An upper end of the sweep blade 2 is preferably rotatably connected with the air-duct mounting frame 3 through the shaft sleeve 1, or upper and lower ends of the sweep blade 2 each may also be rotatably connected with the air-duct mounting frame 3 through the shaft sleeve 1.
  • the shaft sleeve 1 at the upper end of the sweep blade 2 is connected with an output shaft of a motor. When the motor rotates, the shaft sleeve 1 is driven to rotate, such that the shaft sleeve 1 drives the sweep blade 2 to rotate.
  • the sweep blade 2 is indirectly and rotatably connected with the air-duct mounting frame 3 through the shaft sleeve 1, and a rotation fit of the shaft sleeve 1 and the air-duct mounting frame 3 reduces a shake amount of the sweep blade 2 during a normal rotation, so as to solve the problem of the shake of the sweep blade 2, thus enhancing the stability and smoothness of the sweep blade 2 during rotation, and improving the user experience.
  • the shaft sleeve 1 is provided with a shaft hole 1-1 running through the shaft sleeve 1 at the position of an axis of the shaft sleeve 1,
  • the shaft sleeve 1 includes a positioning post 1-2, a limiting rib 1-3 and a snap 1-4, one end of the positioning post 1-2 is provided with the limiting rib 1-3 parallel to an end face of the one end of the positioning post 1-2, and the other end of the positioning post 1-2 is provided with the snap 1-4 perpendicular to an end face of the other end of the positioning post 1-2.
  • the output shaft of the motor is configured to be fitted in the shaft hole 1-1 formed in the shaft sleeve 1.
  • the positioning post 1-2 and the limiting rib 1-3 are configured to have radial and axial limitations on the shaft sleeve 1, respectively, and the snap 1-4 is configured to be snapped with the sweep blade 2 to ensure that the shaft sleeve 1 drives the sweep blade 2 to rotate together.
  • the shaft hole 1-1 formed in the shaft sleeve 1 may ensure that the motor drives the shaft sleeve 1 to rotate in the air-duct mounting frame 3 when rotating, and the limiting rib 1-3 may prevent the shaft sleeve 1 from falling out of the air-duct mounting frame 3 when the shaft sleeve 1 rotates, and the positioning post 1-2 may ensure a stable rotation of the shaft sleeve 1 in the air-duct mounting frame 3, so as to prevent a large radial offset of the shaft sleeve 1 and hence to solve the problem of the shake of the sweep blade 2.
  • the snap 1-4 is snapped with the sweep blade 2, such that it is very convenient to assemble and disassemble the shaft sleeve 1 with/from the sweep blade 2 on the premise of ensuring a firm connection therebetween.
  • the snap 1-4 includes a limiting post 1-4-1 and a snapping leg 1-4-2, and one end of the limiting post 1-4-1 is fixedly connected with the positioning post 1-2.
  • the limiting post 1-4-1 and the positioning post 1-2 are coaxially arranged.
  • An outer peripheral wall of the limiting post 1-4-1 is provided with symmetrical cut planes 1-4-1-1, and the snapping leg 1-4-2 is arranged at the cut plane 1-4-1-1 and extends away from the positioning post 1-2.
  • the snapping leg 1-4-2 is arranged perpendicularly to the end face of the positioning post 1-2.
  • the snap 1-4 is configured to be snapped with the sweep blade 2, the limiting post 1-4-1 and the snapping leg 1-4-2 are inserted into an end portion of the sweep blade 2, and the snapping leg 1-4-2 has a certain deformation ability. Before being inserted, the snapping leg 1-4-2 is deformed and gets close to a center of the shaft sleeve 1. After being inserted into the end portion of the sweep blade 2, the snapping leg 1-4-2 is snapped with the end portion of the sweep blade 2.
  • the limiting post 1-4-1 may be inserted into the end portion of the sweep blade 2, and a relative rotation between the sweep blade 2 and the shaft sleeve 1 may be prevented through the cut planes 1-4-1-1 on the outer peripheral wall of the limiting post 1-4-1.
  • the joint cooperation of the limiting post 1-4-1 and the snapping leg 1-4-2 allows the snap 1-4 to be firmly snapped with the sweep blade 2, and further ensures that the sweep blade 2 may rotate together with the shaft sleeve 1.
  • an end portion of the snapping leg 1-4-2 is provided with a snapping tab 1-4-3 inclined towards the limiting post 1-4-1.
  • the snapping leg 1-4-2 after passing through the end portion of the sweep blade 2, the snapping leg 1-4-2 is snapped with the end portion of the sweep blade 2 through the snapping tab 1-4-3, so that the snapping leg 1-4-2 is prevented from moving outwards.
  • the snapping tab 1-4-3 arranged at the end portion of the snapping leg 1-4-2 may prevent the snapping leg 1-4-2 from being separated from the end portion of the sweep blade 2, thus further ensuring the stability of the connection between the shaft sleeve 1 and the sweep blade 2.
  • a side of the snapping leg 1-4-2 adjacent to the shaft hole 1-1 is provided with a groove 1-4-2-1 along its length direction.
  • the arrangement of the groove 1-4-2-1 facilitates the deformation of the snapping leg 1-4-2 during mounting on the premise of ensuring the strength of the snapping leg 1-4-2.
  • both ends of the limiting rib 1-3 extend beyond an outer peripheral wall of the positioning post 1-2.
  • the limiting rib 1-3 is arranged on an outer side of the air-duct mounting frame 3
  • the positioning post 1-2 is arranged in a side wall of the air-duct mounting frame 3
  • the snap 1-4 is arranged on an inner side of the air-duct mounting frame 3.
  • the snap 1-4 is connected with the sweep blade 2 arranged on the inner side of the air-duct mounting frame 3, and the limiting rib 1-3 is configured to prevent a relative axial movement of the shaft sleeve 1 and the sweep blade 2.
  • the limiting rib 1-3 may prevent the shake of the sweep blade 2 due to a displacement of the sweep blade 2 in its length direction, thus further ensuring the stability of the sweep blade 2 during operation.
  • the end portion of the sweep blade 2 connected with the shaft sleeve 1 is provided with a snapping collar 2-1 corresponding to the snap 1-4.
  • the snap 1-4 is snapped with the sweep blade 2 through the snapping collar 2-1, and both the limiting post 1-4-1 and the snapping leg 1-4-2 may be inserted into the snapping collar 2-1.
  • the snapping tab 1-4-3 at the end portion of the snapping leg 1-4-2 passes through the snapping collar 2-1 and is snapped with the snapping collar 2-1.
  • the limiting post 1-4-1 may be inserted into the snapping collar 2-1, and the snapping collar 2-1 corresponds to the limiting post 1-4-1 in shape and size.
  • the limiting post 1-4-1 is fitted with the snapping collar 2-1 through the cut planes 1-4-1-1 on the outer peripheral wall of the limiting post 1-4-1, thus preventing a relative rotation of the shaft sleeve 1 and the sweep blade 2. Accordingly, an inner peripheral surface of the snapping collar 2-1 should be provided with other cut planes matching with the cut planes 1-4-1-1 on the outer peripheral wall of the limiting post 1-4-1.
  • the fit of the snapping collar 2-1 and the snapping tab 1-4-3 prevents an axial displacement of the shaft sleeve 1
  • the fit of the limiting post 1-4-1 and the snapping collar 2-1 prevents the relative rotation of the shaft sleeve 1 and the sweep blade 2, thus ensuring the stability of the connection between the shaft sleeve 1 and the sweep blade 2, and further ensuring the stability of the sweep blade 2 during operation.
  • a plurality of round holes 3-1 are formed in the side wall of the air-duct mounting frame 3 connected with the shaft sleeve 1, and the round hole 3-1 corresponds to the positioning post 1-2.
  • the plurality of round holes 3-1 are formed in the side wall of the air-duct mounting frame 3 connected with the shaft sleeve 1.
  • the positioning post 1-2 of the shaft sleeve 1 is mounted in the round hole 3-1 and is configured to rotate in the round hole 3-1.
  • a rotary connection between the positioning post 1-2 of the shaft sleeve 1 and the air-duct mounting frame 3 has a smaller clearance, so as to further achieve a more stable rotary connection between the sweep blade 2 snapped with the shaft sleeve 1 and the air-duct mounting frame 3.
  • it has advantages of the small clearance and the stable connection, thus solving the problem of the shake of the sweep blade 2 during operation and hence bringing a better experience to users.
  • a difference between a diameter of the round hole 3-1 and a diameter of the positioning post 1-2 ranges from 0.2mm to 0.4mm.
  • the difference between the diameters of the round hole 3-1 and the positioning post 1-2 has a small range, which further ensures that the positioning post 1-2 will not shake greatly in the round hole 3-1 during rotation, on the premise that the positioning post 1-2 may rotate smoothly in the round hole 3-1.
  • the difference between the diameters of the round hole 3 -1 and the positioning post 1-2 has the small range, which ensures the rotation stability of the shaft sleeve 1 and the sweep blade 2, reduces the shake amount of the sweep blade 2 during operation, and thus eliminates the shake of the sweep blade 2 during operation.
  • the present disclosure also provides a cylindrical cabinet indoor unit, including the rotary blade structure for the cylindrical cabinet indoor unit described in any of the above embodiments.
  • the cylindrical cabinet indoor unit includes an indoor unit body 4, a mounting panel 5, and an air duct assembly 6, the mounting panel 5 is arranged at the indoor unit body 4, the air duct assembly 6 is arranged at the mounting panel 5, and the air duct assembly 6 includes the rotary blade structure for the cylindrical cabinet indoor unit described in any of the above embodiments.
  • the sweep blade 2 rotates, and a shake of the sweep blade 2 relative to the air-duct mounting frame 3 during rotation may be reduced through the arrangement of the shaft sleeve 1, so as to prevent the shake of the sweep blade 2, enhance the stability and smoothness of the sweep blade 2 during rotation, and improve the user experience.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air-Flow Control Members (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
EP21193078.9A 2021-01-18 2021-08-25 Drehflügelstruktur für zylinderförmige gehäuseinneneinheit sowie zylinderförmige gehäuseinneneinheit Active EP4030108B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120126743.9U CN214148145U (zh) 2021-01-18 2021-01-18 一种圆筒柜机摆叶转动结构

Publications (2)

Publication Number Publication Date
EP4030108A1 true EP4030108A1 (de) 2022-07-20
EP4030108B1 EP4030108B1 (de) 2024-04-03

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Application Number Title Priority Date Filing Date
EP21193078.9A Active EP4030108B1 (de) 2021-01-18 2021-08-25 Drehflügelstruktur für zylinderförmige gehäuseinneneinheit sowie zylinderförmige gehäuseinneneinheit

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Country Link
EP (1) EP4030108B1 (de)
CN (1) CN214148145U (de)
DE (1) DE202021104682U1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115342512A (zh) * 2022-08-26 2022-11-15 珠海格力电器股份有限公司 扫风结构、空调器及控制方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015192626A1 (zh) * 2014-06-18 2015-12-23 广东美的制冷设备有限公司 用于空调导风板安装的连接件、空调导风板组件、空调室内机和空调系统
WO2019174199A1 (zh) * 2018-03-15 2019-09-19 格力电器（武汉）有限公司 导风组件及具有其的空调器
CN106152459B (zh) * 2016-08-31 2020-05-22 芜湖美智空调设备有限公司 空调柜机和空调柜机的出风控制方法
EP3683509A1 (de) * 2017-09-12 2020-07-22 Gree Electric Appliances (Wuhan) Co., Ltd. Luftführungsmechanismus und klimaanlage damit

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015192626A1 (zh) * 2014-06-18 2015-12-23 广东美的制冷设备有限公司 用于空调导风板安装的连接件、空调导风板组件、空调室内机和空调系统
CN106152459B (zh) * 2016-08-31 2020-05-22 芜湖美智空调设备有限公司 空调柜机和空调柜机的出风控制方法
EP3683509A1 (de) * 2017-09-12 2020-07-22 Gree Electric Appliances (Wuhan) Co., Ltd. Luftführungsmechanismus und klimaanlage damit
WO2019174199A1 (zh) * 2018-03-15 2019-09-19 格力电器（武汉）有限公司 导风组件及具有其的空调器

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115342512A (zh) * 2022-08-26 2022-11-15 珠海格力电器股份有限公司 扫风结构、空调器及控制方法

Also Published As

Publication number Publication date
CN214148145U (zh) 2021-09-07
EP4030108B1 (de) 2024-04-03
DE202021104682U1 (de) 2021-09-10

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