WO2019170034A1 - 一种空调室内机 - Google Patents

一种空调室内机 Download PDF

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Publication number
WO2019170034A1
WO2019170034A1 PCT/CN2019/076564 CN2019076564W WO2019170034A1 WO 2019170034 A1 WO2019170034 A1 WO 2019170034A1 CN 2019076564 W CN2019076564 W CN 2019076564W WO 2019170034 A1 WO2019170034 A1 WO 2019170034A1
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WO
WIPO (PCT)
Prior art keywords
bearing
cavity
indoor unit
mounting cavity
limiting
Prior art date
Application number
PCT/CN2019/076564
Other languages
English (en)
French (fr)
Inventor
李绪超
刘博�
郝红波
樊明敬
张振富
张雅栋
李柯飞
崔文娟
Original Assignee
青岛海尔空调器有限总公司
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Publication date
Application filed by 青岛海尔空调器有限总公司 filed Critical 青岛海尔空调器有限总公司
Publication of WO2019170034A1 publication Critical patent/WO2019170034A1/zh

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    • 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
    • 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
    • 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
    • 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
    • F24F1/0057—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in or on a wall
    • 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
    • F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
    • F24F1/0063—Indoor units, e.g. fan coil units characterised by heat exchangers by the mounting or arrangement of the heat exchangers
    • 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
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/30—Arrangement or mounting of heat-exchangers

Definitions

  • the present invention relates to an improvement in the structure of an air conditioner indoor unit.
  • the bearing of the cross-flow fan at the end of the air-conditioner indoor unit is usually fixed by a bearing group structure.
  • the bearing gland is used to position the bearing, then the bearing gland and the bearing are assembled with the skeleton, and finally the evaporation is performed.
  • the tube sheet is pressed on the skeleton to realize the fixing of the bearing set.
  • the bearing is fixed, there are many parts involved.
  • it needs to be assembled multiple times.
  • the assembly and positioning between the two increases the difficulty of production, installation and maintenance.
  • due to the large number of components and complicated structure the compactness of the whole structure is poor and the space is large.
  • the invention provides an air conditioner indoor unit, which solves the problems that the existing components of the air conditioner indoor unit are fixed in the prior art, the structure is complicated, and the installation, maintenance and disassembly are inconvenient.
  • the air conditioner indoor unit proposed by the present invention is implemented by the following technical solutions:
  • An air conditioner indoor unit includes an evaporator tube plate and a skeleton, the evaporator tube plate is fastened on the skeleton, and a bearing mounting cavity for placing a bearing is formed between the evaporator tube plate and the skeleton
  • the bearing installation cavity is provided with a limit structure for limiting the bearing to prevent the bearing from being detached.
  • the invention also includes the following additional technical features:
  • the bearing mounting cavity includes a first mounting cavity formed on the bobbin and a second mounting cavity formed on the evaporator tube plate, and the first mounting cavity is fastened with the second mounting cavity Forming the bearing mounting cavity.
  • the bearing includes a bearing body and a bearing end
  • the first mounting cavity includes a second cavity in which the first cavity and the first cavity communicate, the shape of the first cavity and the shape of the bearing body portion
  • the second cavity is adapted to the shape of the bearing end.
  • the limiting structure comprises a first limiting component, a second limiting component and a third limiting component.
  • the first limiting component includes a limiting plate disposed at one end of the first cavity and a connecting wall formed at a connection position of the first cavity and the second cavity, the connecting wall forming There are two and are disposed perpendicular to the first cavity and the second cavity axis, the limiting plate abuts against one end of the bearing body, and the connecting wall abuts against the other end of the bearing body.
  • the third limiting component includes an elastic bayonet disposed on the connecting wall of the first cavity and the second cavity or on the sidewall of the second cavity, and the diameter of the elastic bayonet is smaller than The bearing end diameter.
  • the elastic bayonet is composed of two protrusions extending inwardly from the two inner walls of the two connecting walls or the second cavity, and the protrusions are inclined from the inner side of the first mounting cavity to the outside of the first mounting cavity.
  • a guide surface is connected to the upper end of the protrusion.
  • the second limiting component includes a first limiting baffle and a second limiting baffle respectively disposed at two ends of the second mounting cavity, the first limiting baffle and the second limiting baffle The height of the highest point of the board is lower than the height of the lowest point of the mounting hole that is provided with the fan on the bearing.
  • the bobbin includes a sidewall disposed vertically adjacent to the second mounting cavity, and the sidewall is provided with an insertion hole for facilitating insertion of the bearing end.
  • the height of the first mounting cavity is greater than or equal to 2/3 of the bearing height being less than the bearing height.
  • the invention provides an air conditioner indoor unit, comprising an evaporator tube plate and a skeleton, the evaporator tube plate is fastened on the skeleton, and a bearing mounting cavity for placing a bearing is formed between the evaporator tube plate and the skeleton,
  • the bearing installation cavity is provided with a limiting structure for limiting the bearing to prevent the bearing from being detached.
  • the evaporator tube plate When assembling, the evaporator tube plate is directly fastened to the skeleton through the bearing mounting cavity formed by the two, so that the bearing assembly, assembly and assembly can be realized. Maintenance and disassembly are more simple and convenient; at the same time, the limited installation structure is also arranged on the formed bearing installation cavity, so that not only the bearing can be installed, but also the bearing can be effectively prevented from being separated from the bearing installation cavity, ensuring Stability and reliability of bearing operation.
  • FIG. 1 is a schematic structural view of a skeleton of an air conditioner indoor unit and an evaporator tube plate and a bearing according to the present invention
  • Figure 2 is a partial enlarged view of A of Figure 1;
  • FIG. 3 is a schematic structural view of a skeleton of an air conditioner indoor unit according to the present invention.
  • Figure 4 is a partial enlarged view of B of Figure 3;
  • FIG. 5 is a schematic structural view of an evaporator tube plate of an air conditioning indoor unit according to the present invention.
  • Fig. 6 is a partial enlarged view of a portion C of Fig. 5;
  • the air conditioner indoor unit includes a casing and a shell.
  • the evaporator tube plate 1 and the skeleton 2 are disposed in the body, and a cross-flow fan is further disposed.
  • the end of the cross-flow fan is coupled with the bearing 3, and the bearing 3 is made of a rubber bearing.
  • the air conditioning indoor unit eliminates the bearing housing structure, and a bearing mounting cavity 4 for placing the bearing 3 is formed between the evaporator tube sheet 1 and the skeleton 2 to realize assembly of the bearing 3.
  • the bearing mounting cavity 4 in this embodiment includes a first mounting cavity 41 formed on the bobbin 2 and a second mounting cavity 42 formed on the evaporator tube plate 1 for achieving adaptation with the bearing 3.
  • the first mounting cavity 41 is an arcuate cavity
  • the second mounting cavity 42 is also an arcuate cavity having the same diameter as the first mounting cavity.
  • the snap fit forms an arcuate cavity that is adapted to the shape of the bearing 3, and the bearing 3 can fit just inside the arcuate cavity.
  • the first mounting cavity 41 and the second mounting cavity 42 are also correspondingly fastened together, and after the bearing 3 is assembled, a part thereof is located in the first mounting cavity 41.
  • a part of the bearing 3 is preferably located in the second mounting cavity 42.
  • the height of the first mounting cavity 41 in the embodiment is greater than or equal to 2/3 of the height of the bearing 3, which is smaller than the height of the bearing 3.
  • the first mounting cavity 41 on the frame 2 and the bearing 3 are mounted with a slight interference, which can effectively prevent the bearing 3 from slipping out of the first mounting cavity 41 and improve the stability of the cross-flow fan operation.
  • the bearing 3 in this embodiment can be directly mounted inside the bearing mounting cavity 4, and the bearing housing structure is not separately provided to assemble the bearing 3, thereby reducing the number of parts and making the structure of the entire air conditioning indoor unit more compact and simple. Reduced footprint.
  • the bearing housing structure since the bearing housing structure is omitted, it is not necessary to arrange each component correspondingly because the bearing housing, the skeleton 2 and the evaporator tube plate 1 need to meet each other's assembly requirements, thereby effectively reducing the design, processing, and mold opening. And the difficulty of production assembly, and avoid the use of the bearing seat structure, the rotation of the fan needs to consider the design of the bearing to ensure the gravity of the bearing and the skeleton, inertial force requirements, the bearing gland is stressed.
  • the bearing mounting cavity 4 structure in the embodiment is used, and when the bearing 3 is assembled, it can be directly assembled in the bearing mounting cavity 4.
  • the screw connecting the evaporator tube plate 1 and the skeleton 2 is disassembled, and the evaporator tube is removed.
  • the plate 1 is removed, and the bearing 3 is taken out for maintenance, which simplifies the mounting structure and installation steps of the bearing 3, and facilitates disassembly and maintenance of the bearing 3, thereby effectively reducing labor costs.
  • a limit structure for limiting the bearing 3 to prevent the bearing 3 from coming off is provided on the bearing mounting cavity 4.
  • the limiting structure includes a first limiting component 51, a second limiting component 52, and a third limiting component 53.
  • the first limiting component 51 is disposed on the bobbin 2, and the second limiting component 52 is disposed on the evaporator tube sheet 1.
  • the bearing 3 in the embodiment comprises a bearing body 31 and a bearing end portion 32.
  • the first mounting cavity 41 includes a first cavity 411 and a second cavity 412 in communication with the first cavity 411.
  • the shape of the first cavity 411 is partially adapted to the shape of the bearing body 31, and the second cavity 412 is shaped to fit the bearing end 32.
  • the first cavity 411 and the second cavity 412 are both arcuate cavities, and the diameter of the first cavity 411 is larger than the diameter of the second cavity 412.
  • the first limiting component 51 realizes a limitation on the bearing 3 of the first mounting cavity 41 portion located in the skeleton 2, and includes a limiting plate 511 disposed at one end of the first cavity 411 and A connecting wall 512 at abutting position of a cavity 411 and a second cavity 412. Since both ends of the first cavity 411 and the second cavity 412 are connected, two connecting walls 512 are formed correspondingly, and the connecting wall 512 is perpendicular to The first cavity 411 and the second cavity 412 are axially disposed, and the limiting plate 511 abuts against one end of the bearing body 31, and the connecting wall 512 abuts against the other end of the bearing body 32.
  • the bearing body 31 When the bearing 3 is assembled, the bearing body 31 is located in the first cavity 411, the bearing end 32 is assembled in the second cavity 412, and since the first cavity 411 and the second cavity 412 have different diameters, it is inevitably A connection wall 512 is formed at the intersection of the cavities, and the end of the bearing main body 31 can be restricted by the connecting wall 512, and the other end of the bearing main body 31 is restricted by the limiting plate 511 located at the other end of the bearing main body 31. The axial limit of the bearing body 31 is achieved.
  • the third limiting component 53 is disposed in the embodiment, and the third limiting component 53 includes a connection disposed between the first cavity 411 and the second cavity 412.
  • the opening can be enlarged within a certain range after being pressed, and at the same time, since the bearing in the embodiment is a rubber bearing, it is subjected to When the pressing force of the elastic bayonet acts, it will be deformed by extrusion, and the bearing end portion 32 can be quickly inserted into the second cavity 412 through the elastic bayonet by the deformation of the bearing and the deformation of the elastic bayonet. .
  • the bearing end portion 32 can be prevented from being detached from the elastic bayonet after the bearing end portion 32 is assembled, thereby achieving the limit of the bearing end portion 32, so as to further prevent the bearing 3
  • the detachment includes a side wall provided in the axial direction of the vertical bearing 3 and adjacent to the second cavity 412, and the side wall is provided with an insertion hole for facilitating the insertion of the bearing end portion 32.
  • the bearing end portion 32 is inserted into the insertion hole to further achieve positioning, which enhances the stability of the bearing 3 fixing.
  • the elastic bayonet is formed by two protrusions 6 extending inwardly from the two inner walls of the two connecting walls 512 or the second cavity 412.
  • the elastic bayonet can be a constricted U-shaped card.
  • the opening, that is, the two protrusions 6 are oppositely disposed on the two connecting walls 512 on both sides or the inner side walls on both sides of the second cavity 412, and the protrusions 6 are from the inside of the first mounting cavity 41 to the first side
  • the outer side of the mounting cavity 41 is inclined to ensure that the bearing end portion 32 is smoothly inserted into the second cavity 412 after being inserted into the elastic bayonet, and a guiding surface is connected to the upper end of the protrusion 6 to realize the card loading process.
  • the preferred guiding surface is an inclined surface.
  • the position of the bearing 3 on the evaporator tube plate 1 is limited by the second limiting component 52.
  • the second limiting component 52 includes a first limit respectively disposed at the two ends of the second mounting cavity 42.
  • the baffle 521 and the second limiting baffle 522, the first limiting baffle 521 and the second limiting baffle 522 are respectively disposed at two ends of the bearing 3, and the axial limit of the bearing 3 can be achieved.
  • the heights of the highest points of a limiting baffle 521 and the second limiting baffle 522 are lower than the height of the lowest point of the mounting hole of the bearing 3 which is matched with the cross-flow fan, effectively avoiding the first limit position
  • the height of the plate 521 and the second limit stop 522 is too high, resulting in interference with the normal assembly and use of the cross flow fan.
  • the first limiting baffle 521 and the second limiting baffle 522 are curved plates.
  • a strip-shaped protrusion 421 disposed around the second mounting cavity 42 is disposed on the inner side wall of the second mounting cavity 42, and the strip-shaped protrusion 421 is engaged with the groove on the bearing 3. The two are fixedly mounted to achieve further fixing of the bearing 3.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)
  • Air-Conditioning For Vehicles (AREA)

Abstract

本发明提出一种空调室内机，包括蒸发器管板和骨架，所述蒸发器管板扣设在所述骨架上，在所述蒸发器管板与所述骨架之间形成有用于放置轴承的轴承安装腔，所述轴承安装腔上设置有对轴承进行限位防止轴承脱离的限位结构。通过本发明解决了现有技术中的空调室内机轴承固定存在的部件多、结构复杂、安装和维修拆卸不便的问题。

Description

一种空调室内机 技术领域
本发明涉及一种空调室内机结构的改进。
背景技术
目前空调室内机挂机的贯流风扇末端的轴承的固定方式通常采用轴承组结构，其安装时：首先采用轴承压盖对轴承进行定位，然后将轴承压盖和轴承与骨架进行装配，最后用蒸发器管板压在骨架上，实现对轴承组的固定，轴承固定时涉及部件较多，装配固定时需要多次装配，同时还需要考虑骨架、轴承、轴承压盖、蒸发器管板四者之间的装配与定位，加大了生产、安装和维修的难度，同时由于部件较多，结构复杂导致整个结构紧凑性差、占用空间大。
发明内容
本发明提供一种空调室内机，解决现有技术中的空调室内机轴承固定存在的部件多、结构复杂、安装和维修拆卸不便的问题。
为达到解决上述技术问题的目的，本发明所提出的空调室内机采用以下技术方案予以实现：
一种空调室内机，包括蒸发器管板和骨架，所述蒸发器管板扣设在所述骨架上，在所述蒸发器管板与所述骨架之间形成有用于放置轴承的轴承安装腔，所述轴承安装腔上设置有对轴承进行限位防止轴承脱离的限位结构。
本发明还包括以下附加技术特征：
进一步的，所述轴承安装腔包括开设在所述骨架上的第一安装腔和开设在所述蒸发器管板上的第二安装腔，所述第一安装腔与第二安装腔扣接配合形成所述轴承安装腔。
进一步的，所述轴承包括轴承主体和轴承端部，所述第一安装腔包括第一腔体和第一腔体连通的第二腔体，所述第一腔体的形状与轴承主体部分形状适配，所述第二腔体与轴承端部形状适配。
进一步的，所述限位结构包括第一限位组件、第二限位组件和第三限位组件。
进一步的，所述第一限位组件包括设置在所述第一腔体一端的限位板和在所述第一腔体和第二腔体连接位置处形成的连接壁，所述连接壁形成有2个且垂直于所述第一腔体和第二腔体轴线设置，所述限位板抵靠在所述轴承主体的一端，所述连接壁抵靠在所述轴承主体另一端。
进一步的，所述第三限位组件包括设置在所述第一腔体和第二腔体连接的连接壁上或第二腔体内侧壁上的弹性卡口，所述弹性卡口的口径小于所述轴承端部直径。
进一步的，弹性卡口由从2个连接壁或第二腔体的两内侧壁向内延伸形成的2个凸起构成，所述凸起从第一安装腔内侧向第一安装腔外侧倾斜设置，在所述凸起的上端连接有导向面。
进一步的，所述第二限位组件包括分别设置在所述第二安装腔两端的第一限位挡板和第二限位挡板，所述第一限位挡板和第二限位挡板的最高点的高度均低于轴承上设置的与风扇配合的安装孔的最低点的高度。
进一步的，所述骨架包括垂直轴向临近所述第二安装腔设置的侧壁，所述侧壁上设置有便于轴承端部插装的插装孔。
进一步的，所述第一安装腔的高度大于等于所述轴承高度的2/3小于所述轴承高度。
本发明存在以下优点和积极效果：
本发明提出一种空调室内机，包括蒸发器管板和骨架，蒸发器管板扣设在骨架上，在所述蒸发器管板与所述骨架之间形成有用于放置轴承的轴承安装腔，所述轴承安装腔上设置有对轴承进行限位防止轴承脱离的限位结构。通过本发明中的空调室内机对贯流风扇的轴承进行固定时通过在骨架和蒸发器管板上成型轴承安装腔，无需单独设置轴承座结构，省去了轴承座结构，简化了部件数量，整体结构更加简单，更加紧凑，实现了空调室内机的精简化；在装配时，直接将蒸发器管板扣在骨架上通过两者形成的轴承安装腔即可实现对轴承的安装装配，装配和维修拆卸更加简单方便；同时，在形成的轴承安装腔上还对应的设置有限位结构，使其不仅可以实现对轴承的安装，而且还可以有效的防止轴承从轴承安装腔中脱离出来，确保了轴承运行的稳定性和可靠性。
附图说明
图1为本发明空调室内机的骨架与蒸发器管板和轴承配合的结构示意图；
图2为图1的A处局部放大图；
图3为本发明空调室内机的骨架的结构示意图；
图4为图3的B处局部放大图；
图5为本发明空调室内机的蒸发器管板的结构示意图；
图6为图5的C处局部放大图。
具体实施方式
下面结合附图和具体实施方式对本发明的技术方案作进一步详细的说明，本发明提出一种空调室内机的实施例，参照图1-图6所示，空调室内机包括有壳体，在壳体内设置有蒸发器管板1和骨架2，还设置有贯流风扇，贯流风扇的端部与轴承3进行连接配合，轴承3选用橡胶轴承，为实现对轴承3的装配，本实施例中的空调室内机省去轴承座结构，在所述蒸发器管板1与所述骨架2之间成型有用于放置轴承3的轴承安装腔4，实现对轴承3的装配。具体的，本实施例中的所述轴承安装腔4包括开设在骨架2上的第一安装腔41和开设在蒸发器管板1上的第二安装腔42，为实现与轴承3的适配，优选的，第一安装腔41为弧形腔，第二安装腔42也为与所述第一安装腔直径相同的弧形腔，在配合时，第一安装腔41与第二安装腔42扣接配合形成一个可与轴承3形状适配的弧形腔，轴承3可刚好装配在弧形腔内部。在蒸发器管板1扣设在所述骨架2上时，第一安装腔41和第二安装腔42也对应的扣合在一起，轴承3装配到位后，其一部分位于第一安装腔41内，一部分位于第二安装腔42内，优选的，本实施例中第一安装腔41的高度大于等于所述轴承3高度的2/3，小于所述轴承3高度，可使轴承3的大部分位于骨架2内部，骨架2的强度好，稳定性强可实现对贯流风扇与轴承3的重力支撑，避免轴承3滑脱，确保贯流风扇运转的可靠性和稳定性。
优选的，骨架2上的第一安装腔41与轴承3安装采用微量过盈，可有效的避免轴承3从第一安装腔41中滑脱，提高贯流风扇运行的稳定性。
通过本实施例中的轴承3可直接安装在所述轴承安装腔4内部，无需单独设置轴承座结构来对轴承3进行装配，减少了零件的数量，使整个空调室内机的结构更加紧凑简单，减少了占用空间。
同时，由于省略了轴承座结构则无需因轴承座、骨架2和蒸发器管板1两两之间需要相互满足装配需要而对每个零件进行对应设置，有效的降低了设计、加工、开模和生产装配的难度，并且避免了因采用轴承座结构，风扇的转动需要考虑设计时要保证轴承座与骨架配合时的重力，惯性力要求，轴承压盖受力大的问题。
采用本实施例中的轴承安装腔4结构，在轴承3装配时，直接装配在轴承安装腔4内即可，拆卸时，将蒸发器管板1和骨架2连接的螺钉拆卸，将蒸发器管板1拿开，将轴承3取出进行维修即可，简化了轴承3的安装结构和安装步骤，对轴承3进行拆卸维修更加方便，有效的降低了劳动成本。
为防止轴承3从轴承安装腔4中掉落脱离，在所述轴承安装腔4上设置有对轴承3进行限位防止轴承3脱离的限位结构。
进一步的，所述限位结构包括第一限位组件51、第二限位组件52和第三限位组件53。第一限位组件51设置在骨架2上，第二限位组件52设置在蒸发器管板1上，优选的，本实施例中的所述轴承3包括轴承主体31和轴承端部32，所述第一安装腔41包括第一腔体411和第一腔体411连通的第二腔体412，所述第一腔体411的形状与轴承主体31部分形状适配，所述第二腔体412与轴承端部32形状适配。第一腔体411和第二腔体412均为弧形腔，且第一腔体411的直径大于第二腔体412直径。
优选的，第一限位组件51实现对位于骨架2内的第一安装腔41部分的轴承3的限位，包括设置在所述第一腔体411一端的限位板511和在所述第一腔体411和第二腔体412对接位置处的连接壁512，由于第一腔体411和第二腔体412两端均连接，则对应形成有两个连接壁512，连接壁512垂直于所述第一腔体411和第二腔体412轴线设置，限位板511抵靠在所述轴承主体31的一端，所述连接壁512抵靠在所述轴承主体32另一端。轴承3装配时，轴承主体31位于第一腔体411内，轴承端部32装配在第二腔体412内，且由于第一腔体411和第二腔体412对应直径不同，则必然在两个腔体的交接处形成有连接壁512，通过连接壁512则可实现对轴承主体31一端的限位，通过位于轴承主体31另一端的限位板511实现对轴承主体31的另一端限位，实现了对轴承主体31的轴向限位。
为实现对轴承端部32的限位，本实施例中设置第三限位组件53，所述第三限位组件53包括设置在所述第一腔体411和第二腔体412连接的连接 壁512上或第二腔体412内壁上的弹性卡口，所述弹性卡口的口径小于所述轴承端部32直径。在装配时，可将轴承3从上向下下压，由于弹性卡口具有一定弹性，受压后开口可在一定范围内变大，同时，由于本实施例中的轴承为橡胶轴承，在受到弹性卡口的挤压力作用时，会被挤压产生变形，通过轴承的变形和弹性卡口的变形，使得轴承端部32可快速的穿过弹性卡口装配进入到第二腔体412内。同时，由于弹性卡口口径小于轴承端部32直径，可在轴承端部32装配到位后防止轴承端部32从弹性卡口中脱离出来，实现对轴承端部32限位，为进一步防止轴承3的脱离，在所述骨架2包括垂直轴承3轴向、临接第二腔体412设置的侧壁，侧壁上设置有便于轴承端部32插装的插装孔。轴承端部32插装在插装孔内，进一步实现定位，加强了轴承3固定的稳固性。
优选的，弹性卡口为从两个连接壁512或第二腔体412的两内侧壁向内延伸的形成的两个凸起6构成，优选的，弹性卡口可以为缩口的U型卡口，即两个凸起6相对设置在两侧的2个连接壁512上或第二腔体412两侧的内侧壁上，且所述凸起6为从第一安装腔41内侧向第一安装腔41外侧倾斜设置，可确保轴承端部32在卡入弹性卡口后顺利的卡装到第二腔体412内部，在所述凸起6的上端连接有导向面，实现卡装过程中的导向，优选的导向面为倾斜面。
通过第二限位组件52实现对轴承3位于蒸发器管板1部分进行限位，优选的，所述第二限位组件52包括分别设置在所述第二安装腔42两端的第一限位挡板521和第二限位挡板522，第一限位挡板521和第二限位挡板522分别设置在轴承3的两端，可实现对轴承3的轴向限位，所述第一限位挡板521和第二限位挡板522的最高点的高度均低于轴承3上设置的与贯流风扇配合的安装孔的最低点的高度，有效的避免因第一限位挡板521、第二限位档板522高度过高导致干涉贯流风扇的正常装配使用。优选的第一限位挡板521、第二限位挡板522为弧形板。
为实现对轴承3的进一步限位固定，在第二安装腔42内侧壁上设置有环绕第二安装腔42设置的条状凸起421，条状凸起421与轴承3上的沟槽配合，两者嵌装固定，实现对轴承3的进一步固定。
以上实施例仅用以说明本发明的技术方案，而非对其进行限制；尽管参照前述实施例对本发明进行了详细的说明，对于本领域的普通技术人员来 说，依然可以对前述实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换；而这些修改或替换，并不使相应技术方案的本质脱离本发明所要求保护的技术方案的精神和范围。

Claims (10)

  1. 一种空调室内机，包括蒸发器管板和骨架，其特征在于，所述蒸发器管板扣设在所述骨架上，在所述蒸发器管板与所述骨架之间形成有用于放置轴承的轴承安装腔，所述轴承安装腔上设置有对轴承进行限位防止轴承脱离的限位结构。
  2. 根据权利要求1所述的空调室内机，其特征在于，所述轴承安装腔包括开设在所述骨架上的第一安装腔和开设在所述蒸发器管板上的第二安装腔，所述第一安装腔与第二安装腔扣接配合形成所述轴承安装腔。
  3. 根据权利要求2所述的空调室内机，其特征在于，所述轴承包括轴承主体和轴承端部，所述第一安装腔包括第一腔体和第一腔体连通的第二腔体，所述第一腔体的形状与轴承主体部分形状适配，所述第二腔体与轴承端部形状适配。
  4. 根据权利要求3所述的空调室内机，其特征在于，所述限位结构包括第一限位组件、第二限位组件和第三限位组件。
  5. 根据权利要求4所述的空调室内机，其特征在于，所述第一限位组件包括设置在所述第一腔体一端的限位板和在所述第一腔体和第二腔体连接位置处形成的连接壁，所述连接壁形成有两个，且所述连接壁垂直于所述第一腔体和第二腔体轴线设置，所述限位板抵靠在所述轴承主体的一端，所述连接壁抵靠在所述轴承主体另一端。
  6. 根据权利要求5所述的空调室内机，其特征在于，所述第三限位组件包括设置在所述第一腔体和第二腔体的连接壁上或第二腔体内侧壁上的弹性卡口，所述弹性卡口的口径小于所述轴承端部直径。
  7. 根据权利要求6所述的空调室内机，其特征在于，弹性卡口由从两个连接壁或第二腔体的两内侧壁向内延伸形成的两个凸起构成，所述凸起从第一安装腔内侧向第一安装腔外侧倾斜设置，在所述凸起的上端连接有导向面。
  8. 根据权利要求4所述的空调室内机，其特征在于，所述第二限位组件包括分别设置在所述第二安装腔两端的第一限位挡板和第二限位挡板，所述第一限位挡板和第二限位挡板的最高点的高度均低于轴承上设置的与风扇配合的安装孔的最低点的高度。
  9. 根据权利要求2所述的空调室内机，其特征在于，所述骨架包括垂直 轴向临近所述第二安装腔设置的侧壁，所述侧壁上设置有便于轴承端部插装的插装孔。
  10. 根据权利要求2所述的空调室内机，其特征在于，所述第一安装腔的高度大于等于所述轴承的高度的2/3，且小于所述轴承的高度。
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