WO2020155657A1 - 一种吸油烟机 - Google Patents

一种吸油烟机 Download PDF

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Publication number
WO2020155657A1
WO2020155657A1 PCT/CN2019/108259 CN2019108259W WO2020155657A1 WO 2020155657 A1 WO2020155657 A1 WO 2020155657A1 CN 2019108259 W CN2019108259 W CN 2019108259W WO 2020155657 A1 WO2020155657 A1 WO 2020155657A1
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Prior art keywords
housing
range hood
rotating shaft
hood
motor
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PCT/CN2019/108259
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English (en)
French (fr)
Inventor
董明珠
梁建新
许宁
汪春节
丁泺火
王宏
孟得浩
冯圆通
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珠海格力电器股份有限公司
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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
Publication of WO2020155657A1 publication Critical patent/WO2020155657A1/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00—Details
    • F24C15/20—Removing cooking fumes
    • F24C15/2071—Removing cooking fumes mounting of cooking hood

Definitions

  • This application relates to the technical field of range hoods, in particular to a range hood that can be converted between top-suction and side-suction modes.
  • This application claims the priority of the patent application filed to the State Intellectual Property Office of China on January 29, 2019, with the application number of 201910087410.7 and the invention title of "a range hood”.
  • the range hood is a must-have appliance in the kitchen. With the continuous development of range hoods at any time, top-suction range hoods and side-suction range hoods are common on the market, with their advantages and disadvantages.
  • the top-suction range hood For the top-suction range hood, it is set directly above the stove head and has a large smoke control range, making it more suitable for large-sized kitchens. At the same time, the top-suction range hood itself has a strong cashier capacity for oil pollution. Generally, it can be cleaned once a year. However, the disadvantage is that there are often head-to-head encounters during cooking, which causes the cook to avoid the range hood as much as possible.
  • the side suction range hood because it is installed against the wall, the space utilization rate is high, and the floor height is not too picky, and it is more suitable for a relatively small kitchen choice.
  • the side suction type because of the structural advantage, the side suction type is more friendly to taller people, avoiding head bumping during cooking. But the disadvantage is that it is difficult to clean the inside, and high-frequency cleaning of the side suction range hood is required.
  • the technical problem to be solved by the present application is to overcome the defect of the range hood that does not integrate the top suction and side suction in the prior art.
  • the present application provides a range hood, comprising: a housing in which a fan system is arranged; a smoke collecting hood is rotatably connected to the housing, and smoke enters the inside of the housing through the smoke collecting hood;
  • the power device is arranged inside the casing, and the smoke collecting hood has a suction state perpendicular to the longitudinal axis of the casing, and a side suction state rotated by an angle ⁇ relative to the casing under the drive of the power device.
  • the casing and the smoke collecting hood are hinged through a rotating shaft, the rotating shaft is fixedly connected with the smoke collecting hood, the rotating shaft is rotatably connected with the casing, and the power device acts on the rotating shaft.
  • the power device in order to realize the rotation of the rotating shaft, includes: a motor mounted on the housing; a transmission pair is used in conjunction with the motor, and the transmission side effect is on the rotation shaft, and the rotation of the motor is Converted into the rotation of the shaft.
  • the transmission pair can be in many ways.
  • the first transmission pair is a screw drive pair, including: a rotating head that rotates synchronously with a motor; a screw connected to the rotating head through a threaded pair, and a connecting rod is provided on the rotating shaft, One end of the connecting rod is fixedly connected to the rotating shaft, the screw of the screw drive pair is hinged to the other end of the connecting rod, and the linear motion of the screw is converted into the rotation of the smoke collecting hood through the connecting rod .
  • a support plate is arranged inside the housing above the fan system, and the motor is arranged on the support plate.
  • the second way of the transmission pair is a gear pair.
  • the driving gear is connected with the motor, and the driven gear is connected with the rotating shaft.
  • the longitudinal section of the housing includes: two vertical sections arranged oppositely, and a circular arc section connected below the vertical section, and a smoke inlet is provided between the bottoms of the two circular arc sections,
  • the central angle of the arc segment is 2 ⁇
  • the upper part of the smoke collecting hood is embedded in the smoke inlet and can rotate at an angle of ⁇ relative to the housing.
  • the range hood provided by the present application includes: a housing in which a fan system is arranged; a smoke collecting hood is rotatably connected to the housing, and smoke enters the inside of the housing through the smoke collecting hood; and a power device Set inside the housing, the smoke collecting hood has a suction state perpendicular to the longitudinal axis of the housing, and a side suction state with a rotation angle ⁇ relative to the housing driven by the power device.
  • the fume collection hood itself is rotatably connected to the housing. Under normal conditions, the longitudinal axis of the fume collection hood and the housing are perpendicular to each other.
  • the range hood is a top-suction range hood;
  • the power unit is activated to rotate the smoke-collecting hood.
  • the smoke-collecting hood will form a certain inclination angle between the shells, thereby forming a side-suction range hood.
  • the functions of two different types of range hoods can be simultaneously realized on the same range hood, so that users can modify the range hood according to different needs.
  • the transmission pair is a screw transmission pair, including: a rotating head that rotates synchronously with a motor; a screw connected to the rotating head through a screw pair, and a connecting rod is provided on the rotating shaft
  • One end of the connecting rod is fixedly connected to the rotating shaft, the screw of the screw transmission pair is hinged to the other end of the connecting rod, and the linear motion of the screw is transformed into the smoke collecting hood through the connecting rod.
  • the power generated from the power source of the motor can be effectively transmitted to the rotating shaft, so as to be converted into the rotation of the rotating shaft (smoke collecting hood).
  • the power rotation process is stable and efficient.
  • a support plate is provided inside the housing above the fan system, and the motor is provided on the support plate.
  • the space inside the housing can be effectively used first; at the same time, since the screw is set above the shaft and the motor is set above the screw, its own gravity can be used during the falling process of the screw Therefore, the above-mentioned setting method can efficiently act on the rotating shaft with the power transmitted by the screw.
  • the longitudinal section of the housing includes: two oppositely arranged vertical sections, and a circular arc section connected below the vertical section, and the bottoms of the two circular arc sections
  • a smoke inlet is arranged in between, the central angle of the arc segment is 2 ⁇ , and the upper part of the smoke collecting hood is embedded in the smoke inlet and can rotate at an angle of ⁇ relative to the housing.
  • the central angle of the arc segment is set to 2 ⁇ .
  • the above-mentioned setting method can ensure that when the range hood is converted into a top-suction range hood, it can be adjusted to the front side or the rear side arbitrarily, and no smoke leakage occurs.
  • the overall deformation of the range hood is flexible, and there will be no loss of smoke before and after the modification, and the overall stability is high.
  • Figure 1 is a schematic structural diagram of the range hood provided by this application when it is in a top-suction state
  • Figure 2 is a schematic structural diagram of the range hood provided by this application when it is in a side suction state
  • Figure 3 is a right cross-sectional view of the range hood provided by this application when it is in a top-suction state;
  • Figure 4 is a perspective cross-sectional view of the range hood provided by this application when it is in a top-suction state;
  • Figure 5 is a rear cross-sectional view of the range hood provided by this application when it is in a top-suction state;
  • FIG. 6 is a schematic diagram of the connection between the smoke collecting hood and the rotating shaft in the range hood provided by this application;
  • Figure 7 is a cross-sectional view of the housing in the range hood provided by this application.
  • FIG. 8 is a schematic diagram of the structure of the housing in the range hood provided by this application.
  • connection should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected or integrally connected; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication between two components.
  • connection should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected or integrally connected; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication between two components.
  • This embodiment provides a range hood, as shown in Figs. 1 to 5, comprising: the housing 1 shown in Fig. 8, in which a fan system 7 is arranged; and the smoke collecting hood 2 is rotatably connected to the housing 1. Above, the smoke enters the inside of the housing 1 through the smoke collecting hood 2; the power device is arranged inside the housing 1, and the smoke collecting hood 2 has a suction state perpendicular to the longitudinal axis of the housing 1, and Driven by the power unit, it rotates at an angle ⁇ relative to the housing 1 in a side suction state.
  • the fume collection hood 2 itself is rotatably connected to the housing 1.
  • the longitudinal axes of the fume collection hood 2 and the housing 1 are perpendicular to each other.
  • the range hood is a top suction range hood;
  • the power unit is activated to rotate the smoke collecting hood 2.
  • the smoke collecting hood 2 will form a certain inclination angle between the casings 1, thereby forming a side suction Style range hood.
  • the functions of two different types of range hoods can be simultaneously realized on the same range hood, so that users can modify the range hood according to different needs.
  • FIG. 1 is a schematic structural diagram when the range hood is in a top-suction range hood state
  • FIG. 2 is a structural diagram when the range hood is in a side-suction range hood state.
  • the range hood In the default state, the range hood itself exists in a top-suction state.
  • the smoke collecting hood 2 can either be rotated forward (left) or reverse (right), which has greater flexibility.
  • the longitudinal section of the housing 1 includes: two vertical sections 1a arranged oppositely, and an arc section 1b connected below the vertical section 1a.
  • a smoke inlet 1c is provided between the bottom of the section 1b, the central angle of the arc section 1b is 2 ⁇ , and the upper part of the smoke collecting hood 2 is embedded in the smoke inlet 1c and can be opposed to the housing 1.
  • a rotation of angle ⁇ occurs.
  • the smoke collecting hood 2 needs to be rotated, but during the rotation, it is necessary to prevent the smoke inside the smoke collecting hood 2 from flowing from the smoke collecting hood 2 and The joints between the shells 1 flow out, causing secondary pollution to the kitchen. Therefore, in order to prevent the above problems from occurring, the central angle of the arc segment 1b is set to 2 ⁇ .
  • the above-mentioned setting method can ensure that when the range hood is converted into a top-suction range hood, it can be adjusted to the front side or the rear side arbitrarily, and no smoke leakage occurs.
  • the range hood is flexible in overall deformation, and there will be no smoke loss before and after the modification, and the overall stability is high.
  • the smoke collecting hood 2 will be in contact with the position at point A in Figure 7, and then the movement shown in the direction of the arrow in the figure can occur.
  • the hood 2 moves to the position of point B in the figure, the movement stops, and the range hood is in a side suction state at this time.
  • the range of ⁇ is [0°-45°], and in this embodiment, ⁇ is selected as 45°.
  • the housing 1 and the smoke collecting hood 2 are hinged through a shaft 3, the shaft 3 is fixedly connected to the smoke collecting hood 2, and the shaft 3 is connected to the housing 1 Rotation connection, the power device acts on the rotating shaft 3.
  • the adopted power device includes: a motor 4, which is mounted on the housing 1; a transmission pair is used in conjunction with the motor 4, and the transmission side effect is on the shaft 3 through the The transmission pair converts the rotation of the motor 4 into the rotation of the rotating shaft 3.
  • decorative covers 6 are provided at both ends of the rotating shaft 3.
  • the transmission pair can be in a variety of ways.
  • the first transmission pair is a screw transmission pair, as shown in Figs. 3 to 5, including: a rotating head that rotates synchronously with the motor 4, which interacts with the rotation through a screw pair.
  • a support plate (not shown in the figure) is provided inside the housing 1 at a position above the fan system 7, and the motor 4 is provided on the support plate.
  • the motor 4 is installed above the fan system 7, and the space inside the housing 1 can be effectively used first; at the same time, since the screw is installed above the shaft 3 and the motor 4 is installed above the screw, during the falling process of the screw It can use its own gravity, so the above-mentioned setting method can effectively act on the rotating shaft 3 with the power transmitted by the screw.
  • This embodiment also provides another transmission pair.
  • the second mode of the transmission pair is a gear pair (not shown in the figure).
  • the driving gear is connected to the motor 4, and the driven gear is connected to the rotating shaft 3. .
  • the driving gear rotates to drive the driven gear to rotate, and the driven gear is fixed on the rotating shaft 3 by welding or pins, thereby driving the rotating shaft 3 and the smoke collecting hood 2 to rotate.
  • This embodiment is made on the basis of embodiment 1.
  • the combination of the motor 4 and the transmission pair is not used, but the output end of the motor 4 is directly connected to the On the shaft 3.
  • the motor 4 may be arranged at the end of the rotating shaft 3, and the motor 4 will be located outside the housing 1 at this time.
  • the motor 4 acts synchronously with the rotating shaft 3 and the smoke collecting hood 2, thereby completing the transition between the two states.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ventilation (AREA)

Abstract

一种吸油烟机，包括机壳（1）、集烟罩（2）和动力装置。外壳（1）内设置有风机系统（7），集烟罩（2）可转动地连接在外壳（1）上，烟气通过集烟罩（2）进入外壳（1）内部，动力装置设置在外壳（1）内部。集烟罩（2）具有与外壳（1）纵向轴线相互垂直的顶吸状态以及在动力装置带动下相对于外壳（1）转动角度为α的侧吸状态。集烟罩（2）可转动地连接在外壳（1）上，在一般状态下，集烟罩（2）与外壳（1）的纵向轴线相互垂直时，此时吸油烟机为顶吸式吸油烟机；当需要将吸油烟机转变成侧吸式吸油烟机时，动力装置启动，使集烟罩（2）发生转动，集烟罩（2）与外壳（1）之间形成一定倾斜角，从而形成侧吸式吸油烟机。通过动力装置和集烟罩（2）的配合，在同一吸油烟机上同时实现两种不同种类吸油烟机的功能。

Description

一种吸油烟机 技术领域
本申请涉及吸油烟机技术领域，具体涉及一种可以在顶吸式和侧吸式两种模式之间相互转变的吸油烟机。本申请要求于2019年1月29日提交至中国国家知识产权局、申请号为201910087410.7、发明名称为“一种吸油烟机”的专利申请的优先权。
背景技术
吸油烟机是厨房中必备的电器。随时吸油烟机的不断发展，市面上普遍存在的是顶吸式吸油烟机和侧吸式吸油烟机，二者各个优缺点。
对于顶吸式吸油烟机而言，其自身直接设置在炉头的正上方，控烟范围大，来说更加适应大户型的厨房，同时顶吸式吸油烟机自身对于油污的出纳能力较强，一般一年清洗一次即可。但缺点是：在烹饪时经常出现碰头的情况，导致烹饪人员需要尽量避让吸油烟机。
对于侧吸式吸油烟机而言，其自身由于设置靠墙设置，因此空间利用率高，不会过于挑剔层高，更适合面积相对较小的厨房选择。另外，因为构造优势，侧吸式的对于身高较高的人更加友好，避免了烹饪时撞到头。但缺点是：内部清洁难度较大，需要对侧吸式吸油烟机进行高频率清洗。
因此，为了同时兼顾两种吸油烟机的优点，有必要研发一种集顶吸式吸油烟机和侧吸式吸油烟机于一体的吸油烟机，
发明内容
因此，本申请要解决的技术问题在于克服现有技术中的没有集顶吸式侧吸式为一体的吸油烟机的缺陷。
为此，本申请提供一种吸油烟机，包括：外壳，其内设置有风机系统；集烟罩可转动地连接在所述外壳上，烟气通过所述集烟罩进入所述外壳内部；动力装置设置在所述外壳内部，所述集烟罩具有与所述外壳纵向轴线相互垂直的顶吸状态，以及在动力装置带动下相对所述外壳转动角度α的侧吸状态。
本申请中，外壳与集烟罩之间通过转轴铰接，所述转轴与所述集烟罩固定连接，所述转轴与所述外壳转动连接，所述动力装置作用在所述转轴上。
本申请中，为了实现转轴的转动，动力装置包括：电机，安装在所述外壳上；传动副与所述电机配合使用，所述传动副作用在所述转轴上，通过所述传动副将电机的转动转化为所述转轴的转动。
传动副可以为多种方式，第一种传动副为螺杆传动副，包括：与电机同步转动的转动头；通过螺纹副与所述转动头相连接的螺杆，所述转轴上设置有连杆，连杆的一端固定连接在所述转轴上，所述螺杆传动副的螺杆铰接在所述连杆的另一端，通过所述连杆将所述螺杆的直线运动转变为所述集烟罩的转动。在外壳内部位于所述风机系统上方的位置设置有支撑板，所述电机设置在所述支撑板上。
传动副的第二种方式为齿轮副，主动齿轮与所述电机相连接，从动齿轮连接在所述转轴上。
本申请中，为了实现转轴的转动，还提供了第二种方式，将电机的输出端直接连接在所述转轴上。
本申请中，外壳的纵向剖面包括：相对设置的两条竖直段，以及连接在所述竖直段下方的圆弧段，两条所述圆弧段的底部之间设置有进烟口，所述圆弧段的圆心角为2α，所述集烟罩的上部嵌入到所述进烟口中，并可相对所述外壳发生角度为α的转动。
本申请技术方案，具有如下优点：
1.本申请提供的吸油烟机，包括：外壳，其内设置有风机系统；集烟罩可转动地连接在所述外壳上，烟气通过所述集烟罩进入所述外壳内部；动力装置设置在所述外壳内部，所述集烟罩具有与所述外壳纵向轴线相互垂直的顶吸状态，以及在动力装置带动下相对所述外壳转动角度为α的侧吸状态。
本申请中，集烟罩自身可转动的连接在外壳上，在一般状态下，集烟罩与外壳的纵向轴线相互垂直，此时吸油烟机为顶吸式吸油烟机；当需要将吸油烟机转变成侧吸式吸油烟机时，动力装置启动，使集烟罩发生转动，此时集烟罩将于外壳之间形成一定的倾斜角，从而形成侧吸式吸油烟机。本申请中，通过动力装置与集烟罩的配合，可以在同一吸油烟机上同时实现两种不同种类的吸油烟机的功能，使得用户可以根据不同需要对吸油烟机进行变型。
2.本申请提供的吸油烟机，所述传动副为螺杆传动副，包括：与电机同步转动的转动头；通过螺纹副与所述转动头相连接的螺杆，所述转轴上设置有连杆，连杆的一端固定连接在所述转轴上，所述螺杆传动副的螺杆 铰接在所述连杆的另一端，通过所述连杆将所述螺杆的直线运动转变为所述集烟罩的转动。
通过上述的设置方式，可以有效地将从电机这一动力源发出的动力传递至转轴上，从而转化成转轴(集烟罩)的转动。动力的转动过程稳定高效。
2.本申请提供的吸油烟机，所述外壳内部位于所述风机系统上方的位置设置有支撑板，所述电机设置在所述支撑板上。
通过设置支撑板，将电机设置在风机系统的上方，首先可以有效地利用外壳内部的空间；同时由于螺杆设置在转轴上方，且电机设置在螺杆上方，在螺杆的下落过程中可以利用自身的重力，因此上述的设置方式可以将螺杆传递的动力高效的作用在转轴上。
3.本申请提供的吸油烟机，所述外壳的纵向剖面包括：相对设置的两条竖直段，以及连接在所述竖直段下方的圆弧段，两条所述圆弧段的底部之间设置有进烟口，所述圆弧段的圆心角为2α，所述集烟罩的上部嵌入到所述进烟口中，并可相对所述外壳发生角度为α的转动。
本申请中，当将吸油烟机从顶吸式转变为侧吸式时，需要将集烟罩进行转动，但是在转动过程中，需要防止集烟罩内部的烟气从集烟罩和外壳之间的连接缝处流出，对厨房造成二次污染。
因此为了防止上述问题出现，将圆弧段的圆心角设置为2α。上述的设置方式可以确保在转变成顶吸式吸油烟机的时候，可以朝前侧或后侧任意调整，而不会出现烟气泄漏的情况。吸油烟机整体变形灵活，且在变型前后不会出现烟气流失的情况，整体稳定性较高。
附图说明
为了更清楚地说明本申请具体实施方式或现有技术中的技术方案，下面将对具体实施方式或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图是本申请的一些实施方式，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获得其他的附图。
图1为本申请提供的所述吸油烟机处于顶吸式状态时的结构示意图；
图2为本申请提供的所述吸油烟机处于侧吸式状态时的结构示意图；
图3为本申请提供的所述吸油烟机处于顶吸式状态时的右视剖视图；
图4为本申请提供的所述吸油烟机处于顶吸式状态时的立体剖视图；
图5为本申请提供的所述吸油烟机处于顶吸式状态时的后视剖视图；
图6为本申请提供的所述吸油烟机中集烟罩与转轴之间的连接示意图；
图7为本申请提供的所述吸油烟机中外壳的剖视图；
图8为本申请提供的所述吸油烟机中外壳的结构示意图；
附图标记说明：
1、外壳；1a、竖直段；1b、圆弧段；1c、进烟口；2、集烟罩；3、转轴；4、电机；5、螺杆；6、装饰盖；7、风机系统；8、连杆。
具体实施方式
下面将结合附图对本申请的技术方案进行清楚、完整地描述，显然，所描述的实施例是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得 的所有其他实施例，都属于本申请保护的范围。
在本申请的描述中，需要说明的是，术语“中心”、“上”、“下”、“左”、“右”、“竖直”、“水平”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本申请和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本申请的限制。此外，术语“第一”、“第二”、“第三”仅用于描述目的，而不能理解为指示或暗示相对重要性。
在本申请的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；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。对于本领域的普通技术人员而言，可以具体情况理解上述术语在本申请中的具体含义。
此外，下面所描述的本申请不同实施方式中所涉及的技术特征只要彼此之间未构成冲突就可以相互结合。
实施例1
本实施例提供一种吸油烟机，如图1-图5所示，包括：图8所示的外壳1，其内设置有风机系统7；集烟罩2可转动地连接在所述外壳1上，烟气通过所述集烟罩2进入所述外壳1内部；动力装置设置在所述外壳1内部，所述集烟罩2具有与所述外壳1纵向轴线相互垂直的顶吸状态，以及在动力装置带动下相对所述外壳1转动角度α的侧吸状态。
本实施例中，集烟罩2自身可转动的连接在外壳1上，在一般状态下， 集烟罩2与外壳1的纵向轴线相互垂直，此时吸油烟机为顶吸式吸油烟机；当需要将吸油烟机转变成侧吸式吸油烟机时，动力装置启动，使集烟罩2发生转动，此时集烟罩2将于外壳1之间形成一定的倾斜角，从而形成侧吸式吸油烟机。本实施例中，通过动力装置与集烟罩2的配合，可以在同一吸油烟机上同时实现两种不同种类的吸油烟机的功能，使得用户可以根据不同需要对吸油烟机进行变型。
具体地，图1所示为吸油烟机处于顶吸式吸油烟机状态时的结构示意图，图2为吸油烟机处于侧吸式吸油烟机状态时的结构示意图。在默认状态下，吸油烟机自身呈顶吸式状态存在。
本实施例中，如图7所示，集烟罩2既可以发生正向(向左)转动，也可以发生反向(向右)转动，具有较大的灵活性。
本实施例中，如图7所示，外壳1的纵向剖面包括：相对设置的两条竖直段1a，以及连接在所述竖直段1a下方的圆弧段1b，两条所述圆弧段1b的底部之间设置有进烟口1c，所述圆弧段1b的圆心角为2α，所述集烟罩2的上部嵌入到所述进烟口1c中，并可相对所述外壳1发生角度为α的转动。
具体地，当将吸油烟机从顶吸式转变为侧吸式时，需要将集烟罩2进行转动，但是在转动过程中，需要防止集烟罩2内部的烟气从集烟罩2和外壳1之间的连接缝处流出，对厨房造成二次污染。因此为了防止上述问题出现，将圆弧段1b的圆心角设置为2α。上述的设置方式可以确保在转变成顶吸式吸油烟机的时候，可以朝前侧或后侧任意调整，而不会出现烟气泄漏的情况。吸油烟机整体变形灵活，且在变型前后不会出现烟气流失 的情况，整体稳定性较高。
具体地，当吸油烟机处在顶吸式吸油烟机状态时，集烟罩2的将与图7中A点的部位相接触，然后可以发生图中箭头方向所示的运动，当集烟罩2运动至图中的B点位置时，运动停止，此时吸油烟机处于侧吸式状态。
本实施例中，α的范围是[0°-45°]，本实施例中，α选择为45°。
本实施例中，如图1-图5所示，外壳1与集烟罩2之间通过转轴3铰接，所述转轴3与所述集烟罩2固定连接，所述转轴3与所述外壳1转动连接，所述动力装置作用在所述转轴3上。
本实施例中为了实现转轴3的转动，采用的动力装置包括：电机4，安装在外壳1上；传动副与所述电机4配合使用，所述传动副作用在所述转轴3上，通过所述传动副将电机4的转动转化为所述转轴3的转动。同时，在转轴3的两端设置有装饰盖6。
本实施例中，传动副可以为多种方式，第一种传动副为螺杆传动副，如图3-图5所示，包括：与电机4同步转动的转动头，通过螺纹副与所述转动头相连接的螺杆5；如图6所示，在转轴3上设置有连杆8，连杆8的一端固定连接在所述转轴3上，所述螺杆传动副的螺杆铰接在所述连杆8的另一端，通过所述连杆8将所述螺杆的直线运动转变为所述集烟罩2的转动。
本实施例中，在外壳1内部位于所述风机系统7上方的位置设置有支撑板(图中未示出)，所述电机4设置在所述支撑板上。通过设置支撑板，将电机4设置在风机系统7的上方，首先可以有效地利用外壳1内部的空间；同时由于螺杆设置在转轴3上方，且电机4设置在螺杆上方，在螺杆 的下落过程中可以利用自身的重力，因此上述的设置方式可以将螺杆传递的动力高效的作用在转轴3上。
本实施例同时提供了另一种传动副，传动副的第二种方式为齿轮副(图中未示出)，主动齿轮与所述电机4相连接，从动齿轮连接在所述转轴3上。当电机4发生转动后，主动齿轮转动带动从动齿轮转动，从动齿轮通过焊接或者销等方式固定在转轴3上，从而带动转轴3以及集烟罩2发生转动。
实施例2
本实施例是在实施例1的基础上做出的，本实施例中为了实现转轴3的转动，并没有采用电机4加传动副的组合，而是将电机4的输出端直接连接在所述转轴3上。
具体地，电机4可以设置在转轴3的端部，此时电机4将位于外壳1的外侧。电机4与转轴3和集烟罩2同步动作，从而完成两种状态之间的转变。
显然，上述实施例仅仅是为清楚地说明所作的举例，而并非对实施方式的限定。对于所属领域的普通技术人员来说，在上述说明的基础上还可以做出其它不同形式的变化或变动。这里无需也无法对所有的实施方式予以穷举。而由此所引伸出的显而易见的变化或变动仍处于本申请创造的保护范围之中。

Claims (8)

  1. 一种吸油烟机，其特征在于，包括：
    外壳(1)，外壳(1)内设置有风机系统(7)；
    集烟罩(2)，可转动地与所述外壳(1)相连接，烟气通过所述集烟罩(2)进入所述外壳(1)内部；
    动力装置，设置在所述外壳(1)内部，所述集烟罩(2)具有与所述外壳(1)纵向轴线相互垂直的顶吸状态，以及所述集烟罩(2)具有在动力装置带动下相对所述外壳(1)转动角度为α的侧吸状态。
  2. 根据权利要求1所述的吸油烟机，其特征在于，所述外壳(1)与所述集烟罩(2)之间通过转轴(3)铰接，所述转轴(3)与所述集烟罩(2)固定连接，所述转轴(3)与所述外壳(1)转动连接，所述动力装置作用在所述转轴(3)上。
  3. 根据权利要求2所述的吸油烟机，其特征在于，所述动力装置包括：
    电机(4)，安装在所述外壳(1)上；
    传动副，与所述电机(4)配合使用，所述传动副作用在所述转轴(3)上，通过所述传动副将电机(4)的转动转化为所述转轴(3)的转动。
  4. 根据权利要求3所述的吸油烟机，其特征在于，所述传动副为螺杆传动副，螺杆传动副包括：
    与电机(4)同步转动的转动头，所述转动头内部设置有螺纹；
    通过螺纹副与所述转动头相连接的螺杆(5)；
    所述转轴(3)上设置有连杆(8)，连杆(8)的一端固定连接在所述 转轴(3)上，所述螺杆传动副的螺杆(5)铰接在所述连杆(8)的另一端，通过所述连杆(8)将所述螺杆(5)的直线运动转变为所述集烟罩(2)的转动。
  5. 根据权利要求4所述的吸油烟机，其特征在于，所述外壳(1)内部位于所述风机系统(7)上方的位置设置有支撑板，所述电机(4)设置在所述支撑板上。
  6. 根据权利要求3所述的吸油烟机，其特征在于，所述传动副为齿轮副，主动齿轮与所述电机(4)相连接，从动齿轮连接在所述转轴(3)上。
  7. 根据权利要求2所述的吸油烟机，其特征在于，所述动力装置为电机(4)，所述电机(4)的输出端直接连接在所述转轴(3)上。
  8. 根据权利要求1所述的吸油烟机，其特征在于，所述外壳(1)的纵向剖面包括：相对设置的两条竖直段(1a)，以及连接在所述竖直段(1a)下方的圆弧段(1b)，两条所述圆弧段(1b)的底部之间设置有进烟口(1c)，所述圆弧段(1b)的圆心角为2α，所述集烟罩(2)的上部嵌入到所述进烟口(1c)中，并可相对所述外壳(1)发生角度为α的转动。
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