WO2018035940A1 - 一种电机罩及其制作工艺 - Google Patents

一种电机罩及其制作工艺 Download PDF

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Publication number
WO2018035940A1
WO2018035940A1 PCT/CN2016/101763 CN2016101763W WO2018035940A1 WO 2018035940 A1 WO2018035940 A1 WO 2018035940A1 CN 2016101763 W CN2016101763 W CN 2016101763W WO 2018035940 A1 WO2018035940 A1 WO 2018035940A1
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Prior art keywords
lower cover
protrusion
cover
recess
motor
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PCT/CN2016/101763
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English (en)
French (fr)
Inventor
张文东
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东莞市利发爱尔空气净化系统有限公司
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Publication of WO2018035940A1 publication Critical patent/WO2018035940A1/zh

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/14—Casings; Enclosures; Supports
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations

Definitions

  • the invention relates to the technical field of electric motors, and in particular to a motor cover and a manufacturing process thereof.
  • Electric machinery (English: “electric motor”) is an electromagnetic device that converts or transmits electric energy according to the law of electromagnetic induction. It is represented by the letter M (old standard D) in the circuit. Its main function is to generate drive torque as a power source for electrical appliances or various machines.
  • the fixed part of the motor is called a stator, on which a pair of DC-excited stationary main poles are mounted; and the rotating part (rotor-rotor) is called an armature core, on which an armature winding is to be mounted. After being energized, an induced electromotive force is generated, which acts as a rotating magnetic field. After that, electromagnetic torque is generated for energy conversion, and the rotor of the motor is divided into an inner rotor rotation mode and an outer rotor rotation mode.
  • the inner rotor rotates in such a way that the core in the middle of the motor is a rotating body, outputting torque (referring to the motor) or income energy (referring to the generator).
  • the rotation mode of the outer rotor means that the outer body of the motor is a rotating body, and different ways are convenient for various occasions.
  • the outer cover or the stabilizing part of the motor needs to be set outside the motor to protect the motor inside.
  • the vibration caused by the high-speed rotation of the rotor causes the motor cover or the stable component to generate vibration noise. Therefore, when the motor is used indoors Equipment, such as a fan, can cause technical problems of high noise and low experience.
  • the motor cover and the manufacturing process thereof provided by the embodiments of the invention solve the technical problem of the noise of the motor cover caused by the vibration of the motor, and avoid the experience low when the motor is applied to the indoor device.
  • the inner diameter of the outer lower cover is larger than the outer diameter of the inner lower cover
  • the inner side of the outer lower cover is provided with a plurality of first protrusions and a plurality of first notches;
  • the outer port side of the inner lower cover is provided with a plurality of second protrusions and a plurality of second notches;
  • the first protrusion corresponds to the second recess in a spatial position, and the second protrusion corresponds to the first recess;
  • a gap between the second protrusion and the first recess is filled with a buffer member.
  • the first protrusion and the first recess are irregularly distributed at a first upper edge and/or a first lower edge of the inner mouth side of the outer lower cover.
  • the second protrusion and the second recess are irregularly distributed at a second upper edge and/or a second lower edge of the outer port side of the inner lower cover.
  • the outer lower cover is further provided with a plurality of grooves extending through the first upper edge and the first lower edge.
  • the inner lower cover is further provided with a plurality of ribs penetrating the second upper edge and the second lower edge.
  • the ribs correspond to the positions of the grooves.
  • the first protrusion and the first recess have an upper and lower correspondence relationship in a vertical direction;
  • the second protrusion and the second recess have an upper and lower correspondence relationship in a vertical direction.
  • the cushioning member is a cushion rubber.
  • a motor cover manufacturing process provided by an embodiment of the invention includes an outer lower cover and an inner lower cover;
  • Process steps include:
  • Step one placing the inner lower cover in the center of the outer lower cover ring and not touching each other;
  • Step two adjusting the first protrusion of the outer lower cover and the second recess of the inner lower cover, and the second protrusion of the inner lower cover and the first notch of the outer lower cover are vertical Corresponding to the direction;
  • Step 3 performing a potting operation at a gap between the first protrusion and the second recess, the second protrusion and the first recess until the buffer rubber is solidified.
  • step two specifically includes:
  • the plurality of ribs of the second upper edge and the second lower edge of the cover correspond to a plurality of grooves extending through the first upper edge and the first lower edge of the outer lower cover.
  • the motor cover and the manufacturing process thereof are provided in the embodiment of the present invention, wherein the motor cover comprises: an outer lower cover and an inner lower cover, wherein the inner lower cover is disposed at the center of the outer lower cover ring; the outer lower cover has an inner diameter larger than the inner lower cover An outer diameter; a plurality of first protrusions and a plurality of first notches are disposed on an inner mouth side of the outer lower cover; a plurality of second protrusions and a plurality of second notches are disposed on an outer mouth side of the inner lower cover; a first protrusion corresponding to the second recess in the spatial position, the second protrusion corresponding to the first recess; at a gap between the first protrusion and the second recess, the second protrusion and the first recess Buffered with cushioning parts.
  • the inner lower cover is disposed at the center of the outer lower cover ring; the inner diameter of the outer lower cover is larger than the outer diameter of the inner lower cover; and the inner bottom side of the outer lower cover is provided with a plurality of first protrusions and a plurality of first a recess; a plurality of second protrusions and a plurality of second recesses are disposed on an outer side of the inner lower cover; the first protrusion corresponds to the second recess in the spatial position, and the second protrusion and the first notch Corresponding; in the gap between the first protrusion and the second recess, the second protrusion and the first recess is filled with a buffering member, which is realized between the outer lower cover and the inner lower cover when the motor is in operation
  • the buffering member at the gap solves the technical problem that the motor cover generates a large noise when the motor is vibrated due to the hard connection between the components of the motor cover, and avoids excessive noise when the motor is used in the indoor device.
  • FIG. 1 is a schematic plan view of an outer lower cover of a motor cover according to an embodiment of the present invention
  • FIG. 2 is a schematic 3D view of an outer lower cover of a motor cover according to an embodiment of the present invention
  • FIG. 3 is a schematic plan view of an inner lower cover of a motor cover according to an embodiment of the present invention.
  • FIG. 4 is a schematic 3D view of an inner lower cover of a motor cover according to an embodiment of the present invention.
  • FIG. 5 is a schematic plan view of a motor cover after being glued according to an embodiment of the present invention
  • FIG. 6 is a schematic cross-sectional view of a motor cover after potting according to an embodiment of the present invention.
  • the motor cover and the manufacturing process thereof provided by the embodiments of the invention solve the technical problem of the noise of the motor cover caused by the vibration of the motor, and avoid the experience low when the motor is applied to the indoor device.
  • an embodiment of a motor cover provided by an embodiment of the present invention includes:
  • An outer lower cover 1 and an inner lower cover 2 the inner lower cover 2 is disposed at the center of the outer lower cover 1, and the outer lower cover 1 is provided with a plurality of heat dissipation holes at a non-hollow surface;
  • the inner diameter of the outer lower cover 1 is larger than the outer diameter of the inner lower cover 2;
  • the inner side of the outer lower cover 1 is provided with a plurality of first protrusions 11 and a plurality of first notches 12;
  • the outer side of the inner lower cover 2 is provided with a plurality of second protrusions 21 and a plurality of second recesses 22;
  • the inner diameter of the outer lower cover 1 is larger than the outer diameter of the inner lower cover 2, and the first protrusion 11 and the second protrusion 21 actually partially overlap each other in the spatial position, the first protrusion 11 and The second protrusion 21 is further a trapezoidal structure, and the first protrusion 11 and the second protrusion 21 are above the first notch 12 and the second notch 22, and the first notch 12 and the second notch 22 are stepped structures.
  • the concave form and the concave shape is an arc shape.
  • the first protrusion 11 corresponds to the second recess 22 in the spatial position
  • the second protrusion 21 corresponds to the first recess 22, the first protrusion 11, the first recess 12, the second protrusion 21 and the second
  • the position of the notch 22 corresponds to a vertical buffer after the glue is poured;
  • the cushioning member 3 is covered.
  • first protrusion 11 and the first recess 12 are irregularly distributed on the first upper edge 13 and/or the first lower edge 14 on the inner port side of the outer lower cover 1, and the inner side of the outer lower cover 1 is provided.
  • a certain thickness forms a first upper edge 13 and a first lower edge 14.
  • the second protrusion 21 and the second recess 22 are irregularly distributed at the second upper edge 23 and/or the second lower edge 24 of the outer port side of the inner lower cover 2, and the inner side of the inner lower cover 2 is disposed. With a certain thickness, a second upper edge 23 and a second lower edge 24 are formed.
  • the outer lower cover is further provided with a plurality of grooves 15 penetrating through the first upper edge 13 and the first lower edge 14, in other words, the inner side of the outer lower cover 1 is provided with a plurality of grooves 15.
  • the inner lower cover 2 is further provided with a plurality of ribs 25 extending through the second upper edge 23 and the second lower edge 24, in other words, the inner side of the inner lower cover 2 is provided with a plurality of ridges 25.
  • the ridge 25 corresponds to the position of the groove 15, and the rib 25 and the groove 15 form a horizontal buffer after the glue is applied.
  • first protrusion 11 and the first recess 12 have an upper and lower correspondence relationship in a vertical direction;
  • the second protrusion 21 and the second recess 22 have an upper and lower correspondence relationship in the vertical direction.
  • the cushioning member 3 is a cushion rubber, which may be rubber or silica gel, and is not specifically limited.
  • the inner lower cover 2 is disposed at the center of the outer lower cover 1 through the outer lower cover 1 and the inner lower cover 2, and the inner diameter of the outer lower cover 1 is larger than the outer diameter of the inner lower cover 2; the inner lower cover 1 is inside.
  • a plurality of first protrusions 11 and a plurality of first notches 12 are disposed on the mouth side; a plurality of second protrusions 21 and a plurality of second notches 22 are disposed on the outer mouth side of the inner lower cover 2;
  • the first protrusion 11 corresponds to the second recess 22, and the second protrusion 21 corresponds to the first recess 22, and the first protrusion 11, the first recess 12, the second protrusion 21 and the second recess 22
  • a buffer in the vertical direction is formed after the filling, and the buffer member 3 is filled in the gap between the first protrusion 11 and the second recess 22, and the second protrusion 21 and the first recess 12,
  • the buffer member at the gap between the outer lower cover and the inner lower cover solves the problem that the motor cover generates a large noise when the motor vibrates due to the hard connection between the components of the motor cover.
  • the problem is to avoid the technical problem of low experience due to excessive noise when the motor is used
  • the ridges 25 correspond to the positions of the grooves 15, and the horizontally damped grooves of the ribs 25 and the grooves 15 further improve the noise reduction performance.
  • the invention also provides a motor cover manufacturing process, comprising an outer lower cover and an inner lower cover;
  • Process steps include:
  • Step one placing the inner lower cover in the center of the outer lower cover ring and not touching each other;
  • Step two adjusting the first protrusion of the outer lower cover and the second recess of the inner lower cover, and the second protrusion of the inner lower cover corresponds to the vertical direction of the first recess of the outer lower cover;
  • the filling operation is performed at the gap between the first protrusion and the second recess and the second protrusion and the first recess until the buffer rubber is solidified.
  • step two specifically includes:
  • Adjusting the first protrusion of the outer lower cover and the second recess of the inner lower cover, and the second protrusion of the inner lower cover corresponds to the vertical direction of the first recess of the outer lower cover, and penetrates the inner lower cover
  • the plurality of ribs of the second upper edge and the second lower edge correspond to a plurality of grooves extending through the first upper edge and the first lower edge of the outer lower cover.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Motor Or Generator Frames (AREA)

Abstract

一种电机罩，包括上盖和下盖，下盖包括外下盖（1）和内下盖（2），内下盖（2）设置在外下盖（1）的环中央，外下盖（1）的内径大于内下盖（2）的外径，外下盖（1）的内口侧设置有多个第一凸起（11）和多个第一凹口（12），内下盖（2）的外口侧设置有多个第二凸起（21）和多个第二凹口（22），在空间位置上第一凸起（11）与第二凹口（22）对应，第二凸起（21）与第一凹口（12）对应；在第一凸起（11）与第二凹口（22），第二凸起（21）与第一凹口（12）之间的空隙处布满有缓冲部件（3）。还公开了一种电机罩制作工艺。解决了由于电机罩各部件间配合为硬连接，振动时产生很大噪音的技术问题。

Description

一种电机罩及其制作工艺
本申请要求于2016年8月25日提交中国专利局、申请号为201610723403.8、发明名称为“一种电机罩及其制作工艺”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明涉及电机技术领域，尤其涉及一种电机罩及其制作工艺。
背景技术
电机(英文：Electric machinery，俗称“马达”)是指依据电磁感应定律实现电能转换或传递的一种电磁装置。在电路中用字母M(旧标准用D)表示。它的主要作用是产生驱动转矩，作为用电器或各种机械的动力源。电机中固定的部分叫做定子(stator),在其上面装设了成对的直流励磁的静止的主磁极；而旋转部分(转子-rotor)叫电枢铁心,在上面要装设电枢绕组,通电后产生感应电动势,充当旋转磁场.后产生电磁转矩进行能量转换，电机转子分为内转子转动方式和外转子转动方式两种。内转子转动方式为电机中间的芯体为旋转体，输出扭矩(指电动机)或者收入能量(指发电机)。外转子转动方式即以电机外体为旋转体，不同的方式方便了各种场合的应用。
通常在电机外部需要设置电机的外罩或稳固部件，用于将电机保护在其内部，由于转子的高速转动，造成的振动使得电机的外罩或稳固部件产生振动噪音，因此，当将电机运用在室内设备时，例如风机等，从而会导致噪声大、体验性低的技术问题。
发明内容
本发明实施例提供的一种电机罩及其制作工艺，解决了由于电机的振动所导致的电机罩的噪音的技术问题，避免了当将电机运用在室内设备时，而会导致的体验性低的技术问题。
本发明实施例提供的一种电机罩，包括：
外下盖和内下盖，所述内下盖设置在所述外下盖的环中央；
所述外下盖的内径大于所述内下盖的外径；
所述外下盖的内口侧设置有多个第一凸起和多个第一凹口；
所述内下盖的外口侧设置有多个第二凸起和多个第二凹口；
在空间位置上所述第一凸起与所述第二凹口对应，所述第二凸起与所述第一凹口对应；
在所述第一凸起与所述第二凹口，所述第二凸起与所述第一凹口之间的空隙处布满有缓冲部件。
优选地，所述第一凸起与所述第一凹口不规则分布在所述外下盖的内口侧的第一上沿和/或第一下沿处。
优选地，所述第二凸起与所述第二凹口不规则分布在所述内下盖的外口侧的第二上沿和/或第二下沿处。
优选地，所述外下盖还设置有多个凹槽，所述凹槽贯穿所述第一上沿和所述第一下沿。
优选地，所述内下盖还设置有多个凸条，所述凸条贯穿所述第二上沿和所述第二下沿。
优选地，所述凸条与所述凹槽的位置相对应。
优选地，所述第一凸起和所述第一凹口在竖直方向上具有上下对应关系；
所述第二凸起和所述第二凹口在竖直方向上具有上下对应关系。
优选地，所述缓冲部件为缓冲胶。
本发明实施例提供的一种电机罩制作工艺，包括外下盖和内下盖；
工艺步骤包括：
步骤一，将所述内下盖置放在所述外下盖的环中央，且不相互触碰；
步骤二，调整所述外下盖的第一凸起与所述内下盖的第二凹口，及所述内下盖的第二凸起与所述外下盖的第一凹口竖直方向上相对应；
步骤三，在所述第一凸起与所述第二凹口，所述第二凸起与所述第一凹口之间的空隙处进行灌胶操作，直到缓冲胶固态化。
优选地，步骤二具体包括：
调整所述外下盖的第一凸起与所述内下盖的第二凹口，及所述内下盖的第二凸起与所述外下盖的第一凹口竖直方向上相对应，且贯穿所述内下 盖的第二上沿和第二下沿的多个凸条，与贯穿所述外下盖的第一上沿和第一下沿的多个凹槽竖直方向上相对应。
从以上技术方案可以看出，本发明实施例具有以下优点：
本发明实施例提供的一种电机罩及其制作工艺，其中，电机罩包括：外下盖和内下盖，内下盖设置在外下盖的环中央；外下盖的内径大于内下盖的外径；外下盖的内口侧设置有多个第一凸起和多个第一凹口；内下盖的外口侧设置有多个第二凸起和多个第二凹口；在空间位置上第一凸起与第二凹口对应，第二凸起与第一凹口对应；在第一凸起与第二凹口，第二凸起与第一凹口之间的空隙处布满有缓冲部件。本实施例中，通过内下盖设置在外下盖的环中央；外下盖的内径大于内下盖的外径；外下盖的内口侧设置有多个第一凸起和多个第一凹口；内下盖的外口侧设置有多个第二凸起和多个第二凹口；在空间位置上第一凸起与第二凹口对应，第二凸起与第一凹口对应；在第一凸起与第二凹口，第二凸起与第一凹口之间的空隙处布满有缓冲部件，实现了在电机工作时，通过在外下盖和内下盖之间的间隙处的缓冲部件，解决了由于电机罩各部件间配合为硬连接，当电机振动时电机罩会产生很大噪音的技术问题，避免了当将电机运用在室内设备时，因噪音过大而导致的体验性低的技术问题。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例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，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动性的前提下，还可以根据这些附图获得其它的附图。
图1为本发明实施例提供的一种电机罩的外下盖的平面示意图；
图2为本发明实施例提供的一种电机罩的外下盖的3D示意图；
图3为本发明实施例提供的一种电机罩的内下盖的平面示意图；
图4为本发明实施例提供的一种电机罩的内下盖的3D示意图；
图5为本发明实施例提供的一种电机罩的灌胶后的平面示意图；
图6为本发明实施例提供的一种电机罩的灌胶后的剖面示意图。
具体实施方式
本发明实施例提供的一种电机罩及其制作工艺，解决了由于电机的振动所导致的电机罩的噪音的技术问题，避免了当将电机运用在室内设备时，而会导致的体验性低的技术问题。
为使得本发明的发明目的、特征、优点能够更加的明显和易懂，下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，下面所描述的实施例仅仅是本发明一部分实施例，而非全部的实施例。基于本发明中的实施例，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它实施例，都属于本发明保护的范围。
请参阅图1至图6，本发明实施例提供的一种电机罩的一个实施例包括：
外下盖1和内下盖2，内下盖2设置在外下盖1的环中央，外下盖1上表面非中空处还设置有若干个散热孔；
外下盖1的内径大于内下盖2的外径；
外下盖1的内口侧设置有多个第一凸起11和多个第一凹口12；
内下盖2的外口侧设置有多个第二凸起21和多个第二凹口22；
需要说明的是，前述的外下盖1的内径大于内下盖2的外径，第一凸起11和第二凸起21在空间位置上实际是部分相互重叠的，第一凸起11和第二凸起21进一步为梯形结构，第一凸起11和第二凸起21上方也就是第一凹口12和第二凹口22，第一凹口12和第二凹口22为阶梯结构的内凹形式，且内凹为弧形状。
在空间位置上第一凸起11与第二凹口22对应，第二凸起21与第一凹口22对应，第一凸起11、第一凹口12、第二凸起21和第二凹口22的位置对应，在灌胶后形成竖直方向的缓冲；
在第一凸起11与第二凹口22，第二凸起21与第一凹口12之间的空隙处布满有缓冲部件3。
进一步地，第一凸起11与第一凹口12不规则分布在外下盖1的内口侧的第一上沿13和/或第一下沿14处，外下盖1的内口侧具备一定厚度，形成第一上沿13和第一下沿14。
进一步地，第二凸起21与第二凹口22不规则分布在内下盖2的外口侧的第二上沿23和/或第二下沿24处，内下盖2的内口侧具备一定厚度，形成第二上沿23和第二下沿24。
进一步地，外下盖还设置有多个凹槽15，凹槽15贯穿第一上沿13和第一下沿14，换句话说外下盖1的内口侧设置有多个凹槽15。
进一步地，内下盖2还设置有多个凸条25，凸条贯穿第二上沿23和第二下沿24，换句话说内下盖2的内口侧设置有多个凸条25。
进一步地，凸条25与凹槽15的位置相对应，凸条25与凹槽15在灌胶后形成水平方向的缓冲。
进一步地，第一凸起11和第一凹口12在竖直方向上具有上下对应关系；
第二凸起21和第二凹口22在竖直方向上具有上下对应关系。
进一步地，缓冲部件3为缓冲胶，可以是橡胶，还可以是硅胶，具体不做限定。
本实施例中，通过外下盖1和内下盖2，内下盖2设置在外下盖1的环中央，外下盖1的内径大于内下盖2的外径；外下盖1的内口侧设置有多个第一凸起11和多个第一凹口12；内下盖2的外口侧设置有多个第二凸起21和多个第二凹口22；在空间位置上第一凸起11与第二凹口22对应，第二凸起21与第一凹口22对应，第一凸起11、第一凹口12、第二凸起21和第二凹口22的位置对应，在灌胶后形成竖直方向的缓冲，在第一凸起11与第二凹口22，第二凸起21与第一凹口12之间的空隙处布满有缓冲部件3，实现了在电机工作时，通过在外下盖和内下盖之间的间隙处的缓冲部件，解决了由于电机罩各部件间配合为硬连接，当电机振动时电机罩会产生很大噪音的技术问题，避免了当将电机运用在室内设备时，因噪音过大而导致的体验性低的技术问题。
具体地，凸条25与凹槽15的位置相对应，凸条25与凹槽15在灌胶后形成水平方向的缓冲进一步提高了降噪的性能。
本发明还提供了一种电机罩制作工艺，包括外下盖和内下盖；
工艺步骤包括：
步骤一，将内下盖置放在外下盖的环中央，且不相互触碰；
步骤二，调整外下盖的第一凸起与内下盖的第二凹口，及内下盖的第二凸起与外下盖的第一凹口竖直方向上相对应；
步骤三，在第一凸起与第二凹口，第二凸起与第一凹口之间的空隙处进行灌胶操作，直到缓冲胶固态化。
进一步地，步骤二具体包括：
调整外下盖的第一凸起与内下盖的第二凹口，及内下盖的第二凸起与外下盖的第一凹口竖直方向上相对应，且贯穿内下盖的第二上沿和第二下沿的多个凸条，与贯穿外下盖的第一上沿和第一下沿的多个凹槽竖直方向上相对应。
以上所述，以上实施例仅用以说明本发明的技术方案，而非对其限制；尽管参照前述实施例对本发明进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各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；而这些修改或者替换，并不使相应技术方案的本质脱离本发明各实施例技术方案的精神和范围。

Claims (10)

  1. 一种电机罩，包括上盖和下盖，其特征在于，所述下盖包括：
    外下盖和内下盖，所述内下盖设置在所述外下盖的内环中央；
    所述外下盖的内径大于所述内下盖的外径；
    所述外下盖的内环圆周方向上设置有多个第一凸起和多个第一凹口；
    所述内下盖的外环圆周方向上设置有多个第二凸起和多个第二凹口；
    在空间位置上所述第一凸起与所述第二凹口对应，所述第二凸起与所述第一凹口对应；
    在所述第一凸起与所述第二凹口，所述第二凸起与所述第一凹口之间的空隙处布满有缓冲部件。
  2. 根据权利要求1所述的电机罩，其特征在于，所述第一凸起与所述第一凹口不规则分布在所述外下盖的内环圆周方向上的第一上沿和/或第一下沿处。
  3. 根据权利要求1所述的电机罩，其特征在于，所述第二凸起与所述第二凹口不规则分布在所述内下盖的外环圆周方向上的第二上沿和/或第二下沿处。
  4. 根据权利要求1至3中任意一项所述的电机罩，其特征在于，所述外下盖还设置有多个凹槽，所述凹槽贯穿所述第一上沿和所述第一下沿。
  5. 根据权利要求4所述的电机罩，其特征在于，所述内下盖还设置有多个凸条，所述凸条贯穿所述第二上沿和所述第二下沿。
  6. 根据权利要求5所述的电机罩，其特征在于，所述凸条与所述凹槽的位置相对应。
  7. 根据权利要求1所述的电机罩，其特征在于，所述第一凸起和所述第一凹口在竖直方向上具有上下对应关系；
    所述第二凸起和所述第二凹口在竖直方向上具有上下对应关系。
  8. 根据权利要求1所述的电机罩，其特征在于，所述缓冲部件为缓冲胶。
  9. 一种电机罩制作工艺，其特征在于，包括外下盖和内下盖；
    工艺步骤包括：
    步骤一，将所述内下盖置放在所述外下盖的环中央，且不相互触碰；
    步骤二，调整所述外下盖的第一凸起与所述内下盖的第二凹口，及所述内下盖的第二凸起与所述外下盖的第一凹口竖直方向上相对应；
    步骤三，在所述第一凸起与所述第二凹口，所述第二凸起与所述第一凹口之间的空隙处进行灌胶操作，直到缓冲胶固态化。
  10. 根据权利要求9所述的电机罩制作工艺，其特征在于，步骤二具体包括：
    调整所述外下盖的第一凸起与所述内下盖的第二凹口，及所述内下盖的第二凸起与所述外下盖的第一凹口竖直方向上相对应，且贯穿所述内下盖的第二上沿和第二下沿的多个凸条，与贯穿所述外下盖的第一上沿和第一下沿的多个凹槽竖直方向上相对应。
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