WO2025166705A1 - 一种电机 - Google Patents

一种电机

Info

Publication number
WO2025166705A1
WO2025166705A1 PCT/CN2024/076865 CN2024076865W WO2025166705A1 WO 2025166705 A1 WO2025166705 A1 WO 2025166705A1 CN 2024076865 W CN2024076865 W CN 2024076865W WO 2025166705 A1 WO2025166705 A1 WO 2025166705A1
Authority
WO
WIPO (PCT)
Prior art keywords
claw
finger
rotating shaft
limiting portion
fingers
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.)
Pending
Application number
PCT/CN2024/076865
Other languages
English (en)
French (fr)
Inventor
毛路斌
宋威
司秀江
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.)
AAC Microtech Changzhou Co Ltd
Original Assignee
AAC Microtech Changzhou 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 AAC Microtech Changzhou Co Ltd filed Critical AAC Microtech Changzhou Co Ltd
Priority to PCT/CN2024/076865 priority Critical patent/WO2025166705A1/zh
Priority to US18/748,062 priority patent/US20250260276A1/en
Publication of WO2025166705A1 publication Critical patent/WO2025166705A1/zh
Anticipated expiration legal-status Critical
Pending legal-status Critical Current

Links

Classifications

    • 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
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12—Stationary parts of the magnetic circuit
    • H02K1/14—Stator cores with salient poles
    • H02K1/145—Stator cores with salient poles having an annular coil, e.g. of the claw-pole type
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/24—Rotor cores with salient poles ; Variable reluctance rotors
    • H02K1/243—Rotor cores with salient poles ; Variable reluctance rotors of the claw-pole type
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/27—Rotor cores with permanent magnets
    • H02K1/2706—Inner rotors
    • H02K1/2713—Inner rotors the magnetisation axis of the magnets being axial, e.g. claw-pole type

Definitions

  • a motor is an electromagnetic device that converts or transmits electrical energy, primarily consisting of a stator and a rotor.
  • a stepper motor a special type of motor used for control, converts electrical pulses into corresponding angular or linear displacements.
  • the purpose of this application is to provide a motor that can solve the problem in the prior art that it is difficult to ensure the installation accuracy of the stator, which is not conducive to improving the torque of the product.
  • a motor which includes: a first claw pole, a second claw pole and a plastic part, the plastic part is provided with a plurality of first mounting grooves arranged at intervals and a second mounting groove arranged between two adjacent first mounting grooves, the first claw pole includes a first claw disk and a plurality of first claw fingers, the plurality of first claw fingers are connected to the first claw disk, and the first claw fingers are embedded in the corresponding first mounting grooves, the second claw pole includes a second claw disk and a plurality of second claw fingers, the plurality of second claw fingers are connected to the second claw disk, the second claw fingers are embedded in the corresponding second mounting grooves, and the second claw fingers are arranged between two adjacent first claw fingers.
  • the first limiting portion, the support member and the shell are enclosed to form a first through groove for the first claw finger to pass through, and the first through groove and the first limiting groove are communicated; the second limiting portion, the support member and the shell are enclosed to form a second through groove for the second claw finger to pass through, and the second through groove and the second limiting groove are communicated.
  • the shell includes a main body and two extensions respectively connected to the main body, the main body is respectively connected to the first limiting portion and the second limiting portion, and the main body and the two extensions enclose a mounting groove for placing the coil.
  • a rotating shaft and a magnetic steel connected to the rotating shaft passes through the shell, and the magnetic steel is located between the rotating shaft and the support member.
  • the projection of the first limiting portion along the length extension direction of the rotating shaft on one of the extension portions is located on one of the extension portions, the first claw disk is connected to one of the extension portions, and the projection of the second limiting portion along the length extension direction of the rotating shaft on another of the extension portions is located on another of the extension portions, and the second claw disk is connected to the other of the extension portions.
  • the first claw finger includes a first finger base and a first fingertip connected to the first finger base, the first finger base is connected to the first claw disk, and the first fingertip is recessed in the direction close to the rotating axis;
  • the second claw finger includes a second finger base and a second fingertip connected to the second finger base, the second finger base is connected to the second claw disk, the second fingertip is recessed in the direction close to the rotating axis, and the second fingertip and the first fingertip are enclosed in a circular shape.
  • the distance between the first finger root and the rotating shaft is expanded along the direction approaching the first claw disk
  • the distance between the second finger root and the rotating shaft is expanded along the direction approaching the second claw disk
  • extension lines of two adjacent support members intersect.
  • the first claw finger is tapered in a direction approaching the second claw disk
  • the second claw finger is tapered in a direction approaching the first claw disk
  • the first claw pole and the second claw pole are respectively integrally injection molded.
  • the present application provides a motor, which is provided with a plurality of first mounting grooves arranged at intervals on a plastic part, and a second mounting groove is provided between two adjacent first mounting grooves.
  • the plurality of first claw fingers in the first claw pole are connected to the first claw disk, and the first claw fingers are embedded in the corresponding first mounting grooves.
  • the plurality of second claw fingers in the second claw pole are connected to the second claw disk, and the second claw fingers are embedded in the corresponding second mounting grooves.
  • a second claw finger is provided between two adjacent first claw fingers.
  • the plurality of first claw fingers in the first claw pole are embedded in the corresponding first mounting grooves on the plastic part
  • the plurality of second claw fingers in the second claw pole are embedded in the corresponding second mounting grooves on the plastic part.
  • the first claw pole and the second claw pole can be injection molded as one piece, which effectively improves the strength of the claw pole, is beneficial to ensuring the assembly accuracy of the stator, and when the coil is wound around the first claw pole and the second claw pole respectively, the size of the coil can be effectively increased, which is beneficial to improving the torque of the product.
  • the technical effect of improving the assembly accuracy of the motor and improving the torque of the product is achieved.
  • FIG1 is a schematic structural diagram of a first claw pole, a second claw pole, and a first plastic part in a motor provided by an embodiment of the present application;
  • FIG3 is an exploded schematic diagram of a motor provided in an embodiment of the present application.
  • FIG4 is a schematic structural diagram of a motor provided in an embodiment of the present application.
  • FIG5 is a cross-sectional view of a motor provided in an embodiment of the present application.
  • FIG6 is a schematic structural diagram of a first limiting groove, a second limiting groove, and a first through groove in a motor provided in an embodiment of the present application;
  • FIG7 is a schematic structural diagram of a second through slot in a motor provided in an embodiment of the present application.
  • FIG8 is a schematic structural diagram of a first claw plate and a second claw plate in a motor provided in an embodiment of the present application;
  • FIG9 is a schematic structural diagram of a first finger base and a first finger tip in a motor provided in an embodiment of the present application.
  • references to "one embodiment” or “some embodiments” described in this specification mean that one or more embodiments of the present application include specific features, structures or characteristics described in conjunction with the embodiment. Therefore, in this specification, the terms “include”, “comprise”, “have” and their variations all mean “including but not limited to”, unless otherwise specifically emphasized in other ways. It should be noted that in the embodiments of the present application, “and/or” describes the association relationship of associated objects, indicating that three relationships can exist. For example, A and/or B can represent three situations: A exists alone, A and B exist at the same time, and B exists alone.
  • connection in the embodiments of the present application, when a component is referred to as being “fixed to” another component, it may be directly on the other component or there may also be a central component.
  • a component when a component is considered to be “connected” to another component, it may be directly connected to the other component or there may be a central component at the same time.
  • a component When a component is considered to be “set on” another component, it may be directly set on the other component or there may be a central component at the same time.
  • “connection” in the embodiments of the present application may also be understood as electrical connection, and the connection between two electrical elements may be a direct or indirect connection between the two electrical elements.
  • A is connected to B, which may be a direct connection between A and B, or an indirect connection between A and B through one or more other electrical elements.
  • B may be a direct connection between A and B, or an indirect connection between A and B through one or more other electrical elements.
  • the terms “vertical”, “horizontal”, “left”, “right” and similar expressions used in the embodiments of the present application are for illustrative purposes only and are not intended to limit the present application.
  • a motor provided in an embodiment of the present application includes a first claw pole 5, a second claw pole 6 and a plastic part 7, and the plastic part 7 is provided with a plurality of first mounting grooves 753 arranged at intervals, and a second mounting groove 753 provided between two adjacent first mounting grooves 753.
  • the first claw pole 5 includes a first claw disk 51 and a plurality of first claw fingers 52, and the plurality of first claw fingers 52 are connected to the first claw disk 51, and the first claw fingers 52 are embedded in the corresponding first mounting grooves 753.
  • the second claw pole 6 includes a second claw disk 61 and a plurality of second claw fingers 62, and the plurality of second claw fingers 62 are connected to the second claw disk 61, and the second claw fingers 62 are embedded in the corresponding second mounting grooves 753.
  • a second claw finger 62 is provided between two adjacent first claw fingers 52, that is, the first claw fingers 52 and the second claw fingers 62 are alternately distributed along the outside of the rotating shaft 2.
  • the plastic part 7 is disposed outside the rotating shaft 2, and the magnet 1 is located between the rotating shaft 2 and the plastic part 7.
  • the plastic part 7 includes a first limiting groove 71 and a second limiting groove 72.
  • the first limiting grooves 71 are arranged in a plurality of intervals, and the second limiting groove 72 is disposed between two adjacent first limiting grooves 71.
  • the first claw pole 5 includes a first claw plate 51 and a plurality of first claw fingers 52.
  • the plurality of first claw fingers 52 are connected to the first claw plate 51.
  • Each first claw finger 52 is embedded in a corresponding first limiting groove 71.
  • the first limiting groove 71 has a space for accommodating the first claw finger 52.
  • the second claw pole 6 includes a second claw plate 61 and a plurality of second claw fingers 62.
  • the plurality of second claw fingers 62 are connected to the second claw plate 61.
  • Each second claw finger 62 is embedded in a corresponding second limiting groove 72.
  • the second limiting groove 72 has a space for accommodating the second claw finger 62.
  • the plurality of first claw fingers 52 in the first claw pole 5 are connected to the first claw plate 51 and embedded in the corresponding first mounting slots 753.
  • the plurality of second claw fingers 62 in the second claw pole 6 are connected to the second claw plate 61 and embedded in the corresponding second mounting slots 753, with a second claw finger 62 provided between two adjacent first claw fingers 52.
  • the plurality of first claw fingers 52 in the first claw pole 5 are embedded in the corresponding first mounting slots 753 on the plastic member 7, and the plurality of second claw fingers 62 in the second claw pole 6 are embedded in the corresponding second mounting slots 753 on the plastic member 7.
  • the coil 4 is wound separately around the first and second claw poles 5 and 6, the size of the coil 4 can be increased, thereby improving the torque of the product. Thereby achieving the technical effect of improving the assembly accuracy of the motor and increasing the torque of the product.
  • the plastic part 7 includes a first limiting portion 73, a second limiting portion 74 and a shell 75.
  • the first limiting portion 73 and the second limiting portion 74 are arranged opposite to each other, and the shell 75 is connected to the first limiting portion 73 and the second limiting portion 74 respectively.
  • a plurality of support members 76 are arranged between the first limiting portion 73 and the second limiting portion 74.
  • the first limiting portion 73 and two adjacent support members 76 enclose the above-mentioned first limiting groove 71, and the second limiting portion 74 and two adjacent support members 76 enclose the above-mentioned second limiting groove 72.
  • the first limiting portion 73, the support member 76, and the housing 75 collectively form a first through-slot 77.
  • the first claw finger 52 extends through the first through-slot 77.
  • the first through-slot 77 and the first limiting slot 71 are interconnected, so that the first claw finger 52 extends into the first limiting slot 71 after extending through the first through-slot 77.
  • the second limiting portion 74, the support member 76, and the housing 75 collectively form a second through-slot 78.
  • the second claw finger 62 extends through the second through-slot 78.
  • the second through-slot 78 and the second limiting slot 72 are interconnected, so that the second claw finger 62 extends into the second limiting slot 72 after extending through the second through-slot 78.
  • the shell 75 includes a main body 751 and two extensions 752, the two extensions 752 are respectively connected to the main body 751, and the main body 751 is respectively connected to the first limiting portion 73 and the second limiting portion 74, the main body 751 and the two extensions 752 are surrounded to form an installation groove 753, and the interior of the installation groove 753 has a space for placing the coil 4.
  • the first limiting portion 73 is projected onto one extension portion 752 along the longitudinal extension direction of the rotating shaft 2, and the first claw plate 51 is connected to the one extension portion 752.
  • the second limiting portion 74 is projected onto the other extension portion 752 along the longitudinal extension direction of the rotating shaft 2, and the second claw plate 61 is connected to the other extension portion 752.
  • the coil 4 can be wound integrally with the first claw pole 5 and the second claw pole 6.
  • the first claw finger 52 is tapered in a direction approaching the second claw plate 61
  • the second claw finger 62 is tapered in a direction approaching the first claw plate 51.
  • the first claw finger 52 includes a first finger base 521 and a first finger tip 522.
  • the first finger tip 522 is connected to the first finger base 521, which is connected to the first claw plate 51.
  • the first finger tip 522 is concave along the direction approaching the rotating shaft 2.
  • the second claw finger 62 includes a second finger base 621 and a second finger tip 622.
  • the second finger tip 622 is connected to the second finger base 621, which is connected to the second claw plate 61.
  • the second finger tip 622 is concave along the direction approaching the rotating shaft 2.
  • the second finger tip 622 and the first finger tip 522 enclose a circular ring. This can increase the internal space of the circular ring, providing more space for accommodating the rotating shaft 2 and the magnetic steel 1 arranged circumferentially around the rotating shaft 2.
  • the extension lines of the two support members 76 on both sides of the first claw finger 52 intersect with each other. Providing the intersecting support members 76 helps to improve the strength of the overall structure of the first claw pole 5, the second claw pole 6, the plastic member 7 and the support members 76.
  • a motor provided in an embodiment of the present application further includes a housing 3.
  • a housing 3 provided with a coil 4, a first claw pole 5, and a second claw pole 6 inside the housing 3, and place the rotating shaft 2 and the magnet 1 arranged around the rotating shaft 2 inside the plastic part 7.
  • the rotating shaft 2 and the magnet 1 arranged around the rotating shaft 2 can be driven to rotate inside the housing 3 by the energized coil 4.
  • a motor provided by an embodiment of the present invention further includes a third claw pole 30, a fourth claw pole 301, another housing 40, another coil 50, and another plastic component 60. Since the third claw pole 30 has the same structure and principle as the first claw pole 5, a detailed description thereof will not be repeated here. Since the fourth claw pole 301 has the same structure and principle as the second claw pole 6, a detailed description thereof will not be repeated here. Since the structure and principle of the other housing 40 is the same as the housing 3, a detailed description thereof will not be repeated here. Since the structure and principle of the other coil 50 is the same as the coil 4, a detailed description thereof will not be repeated here.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)

Abstract

本申请提供了一种电机，属于电机技术领域，包括通过在塑胶件上设置有多个间隔布置的第一安装槽，以及在相邻两个第一安装槽之间设置第二安装槽，第一爪极中多个所述第一爪指与第一爪盘连接，第一爪指嵌入对应的第一安装槽内，第二爪极中多个第二爪指与第二爪盘连接，第二爪指嵌入对应的第二安装槽内。这样能够将第一爪极和第二爪极一体注塑，有效提升爪极的强度，有利于保证定子的装配精度，将线圈分别与第一爪极和第二爪极绕线时，能够有效增加线圈的尺寸，有利于提高产品的转矩。从而达到了能够提高电机的装配精度，提升产品的转矩的技术效果。

Description

一种电机 技术领域
本申请涉及电机技术领域，特别涉及一种电机。
 背景技术
电机是一种实现电能转换或传递的电磁装置，主要由定子和转子组成。步进电机作为一种特殊的电机，属于控制用电动机，是一种将电脉冲信号转换成相应角位移或线位移的电动机。
现有技术中电机的爪极一般采用将两个爪极分别套设在骨架上，线圈绕在骨架上再与爪极装配。但是采用将线圈绕在骨架上再与分别套设在骨架上的爪极进行装配，两个爪极所围合的内部空间较小，会降低爪极的厚度，使得爪极的强度较低，难以保证定子的安装精度，同时会减小线圈的匝数，不利于提升产品的转矩。
因此，有必要提供一种新的技术方案以解决上述技术问题。
 技术问题
本申请的目的在于提供一种电机，能够解决现有技术中难以保证定子的安装精度,不利于提升产品的转矩的问题。
 技术解决方案
本申请的技术方案如下：提供一种电机，所述电机包括：第一爪极、第二爪极和塑胶件，所述塑胶件设置有多个间隔布置的第一安装槽以及设置于相邻两个所述第一安装槽之间的第二安装槽，所述第一爪极包括第一爪盘和多个第一爪指，多个所述第一爪指与所述第一爪盘连接，所述第一爪指嵌入对应的所述第一安装槽，第二爪极包括第二爪盘和多个第二爪指，多个所述第二爪指与所述第二爪盘连接，所述第二爪指嵌入对应的所述第二安装槽，相邻两个所述第一爪指之间设置有所述第二爪指。
可选地，所述塑胶件包括相对设置的第一限位部和第二限位部，以及分别连接所述第一限位部和所述第二限位部的壳体，于所述第一限位部和所述第二限位部之间设置有多个支撑件，相邻两个所述支撑件和所述第一限位部围合所述第一限位槽，相邻两个所述支撑件和所述第二限位部围合所述第二限位槽。
可选地，所述第一限位部、所述支撑件和所述壳体围合形成有用于所述第一爪指贯穿的第一通槽，所述第一通槽和所述第一限位槽相通；所述第二限位部、所述支撑件和所述壳体围合形成有用于所述第二爪指贯穿的第二通槽，所述第二通槽和所述第二限位槽相通。
可选地，所述壳体包括本体以及分别与所述本体连接的两个延伸部，所述本体分别与所述第一限位部和所述第二限位部连接，所述本体和两个所述延伸部围合形成有用于放置线圈的安装槽。
可选地， 转轴以及与所述转轴连接的磁钢，所述转轴贯穿所述壳体，所述磁钢位于所述转轴和所述支撑件之间。
可选地，所述第一限位部沿所述转轴的长度延伸方向在一个所述延伸部的投影位于一个所述延伸部上，所述第一爪盘与一个所述延伸部连接，所述第二限位部沿所述转轴的长度延伸方向在另一个所述延伸部的投影位于另一个所述延伸部上，所述第二爪盘与另一个所述延伸部连接。
可选地，所述第一爪指包括第一指根部以及与所述第一指根部连接的第一指尖部，所述第一指根部与所述第一爪盘连接，所述第一指尖部沿靠近所述转轴的方向凹陷； 所述第二爪指包括第二指根部以及与所述第二指根部连接的第二指尖部，所述第二指根部与所述第二爪盘连接，所述第二指尖部沿靠近所述转轴的方向凹陷，所述第二指尖部和所述第一指尖部围合呈圆环状。
可选地，所述第一指根部沿靠近所述第一爪盘的方向上与所述转轴的间距扩大，所述第二指根部沿靠近所述第二爪盘的方向上与所述转轴的间距扩大，所述第一指根部。
可选地，相邻两个所述支撑件的延长线相交叉。
可选地，所述第一爪指沿靠近所述第二爪盘的方向上呈渐缩状，所述第二爪指沿靠近所述第一爪盘的方向上呈渐缩状，所述第一爪极和所述第二爪极分别一体注塑成型。
 有益效果
本申请的有益效果在于：本申请提供一种电机，通过在塑胶件上设置有多个间隔布置的第一安装槽，以及在相邻两个第一安装槽之间设置第二安装槽，第一爪极中多个所述第一爪指与第一爪盘连接，第一爪指嵌入对应的第一安装槽内，第二爪极中多个第二爪指与第二爪盘连接，第二爪指嵌入对应的第二安装槽内，相邻两个第一爪指之间设置有第二爪指。这样第一爪极中多个第一爪指嵌入塑胶件上对应的第一安装槽内，第二爪极中多个第二爪指嵌入塑胶件上对应的第二安装槽内，能够将第一爪极和第二爪极一体注塑，有效提升爪极的强度，有利于保证定子的装配精度，将线圈分别与第一爪极和第二爪极绕线时，能够有效增加线圈的尺寸，有利于提高产品的转矩。从而达到了能够提高电机的装配精度，提升产品的转矩的技术效果。
 附图说明
图1为本申请实施例提供的一种电机中第一爪极、第二爪极和第一塑胶件的结构示意图；
图2为本申请的为本申请实施例提供的一种电机中转轴的结构示意图；
图3为本申请实施例提供的一种电机的爆炸示意图；
图4为本申请实施例提供的一种电机的结构示意图；
图5为本申请实施例提供的一种电机的剖视图；
图6为本申请实施例提供的一种电机中第一限位槽、第二限位槽和第一通槽的结构示意图；
图7为本申请实施例提供的一种电机中第二通槽的结构示意图；
图8为本申请实施例提供的一种电机中第一爪盘和第二爪盘的结构示意图；
图9为本申请实施例提供的一种电机中第一指根部和第一指尖部的结构示意图。
 本发明的实施方式
下面详细描述本申请的实施方式，实施方式的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施方式是示例性地，仅用于解释本申请，而不能理解为对本申请的限制。
为了使本技术领域的人员更好地理解本申请的方案，下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整的描述。显然，所描述的实施例仅仅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。
本申请实施例中，至少一个是指一个或多个；多个，是指两个或两个以上。在本申请的描述中，“第一”、“第二”、“第三”等词汇，仅用于区分描述的目的，而不能理解为指示或暗示相对重要性，也不能理解为指示或暗示顺序。
在本说明书中描述的参考“一种实施方式”或“一些实施方式”等意味着在本申请的一个或多个实施方式中包括结合该实施例描述的特定特征、结构或特点。由此，在本说明书中术语“包括”、“包含”、“具有”及它们的变形都意味着“包括但不限于”，除非是以其他方式另外特别强调。需要说明的是，本申请实施例中，“和/或”描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B这三种情况。
需要指出的是，本申请实施例中，当组件被称为“固定于”另一个组件，它可以直接在另一个组件上或者也可以存在居中组件。当一个组件被认为是“连接”另一个组件，它可以是直接连接到另一个组件或者可能同时存在居中组件。当一个组件被认为是“设置于”另一个组件，它可以是直接设置在另一个组件上或者可能同时存在居中组件。同时本申请实施例中“连接”也可以理解为电连接，两个电学元件连接可以是两个电学元件之间的直接或间接连接。例如，A与B连接，既可以是A与B直接连接，也可以是A与B之间通过一个或多个其它电学元件间接连接。本申请实施例中所使用的术语“垂直的”、“水平的”、“左”、“右”以及类似的表述只是为了说明目的，并不是旨在限制本申请。
本申请实施例提供的一种电机，请参阅图1至图9，本申请实施例提供的一种电机包括第一爪极5、第二爪极6和塑胶件7，塑胶件7上设置有多个间隔布置的第一安装槽753，以及在相邻两个第一安装槽753之间设置的第二安装槽753，第一爪极5包括第一爪盘51和多个第一爪指52，多个第一爪指52与第一爪盘51连接，第一爪指52嵌入对应的第一安装槽753，第二爪极6包括第二爪盘61和多个第二爪指62，多个第二爪指62与第二爪盘61连接，第二爪指62嵌入对应的第二安装槽753，相邻两个第一爪指52之间设置有第二爪指62，即第一爪指52和第二爪指62在沿着转轴2的外部进行交替分布。
其中，塑胶件7设置在转轴2外，磁钢1位于转轴2和塑胶件7之间。塑胶件7包括第一限位槽71和第二限位槽72，多个第一限位槽71相互间隔布置，第二限位槽72设置在相邻两个第一限位槽71之间。第一爪极5包括第一爪盘51和多个第一爪指52，多个第一爪指52与第一爪盘51连接，每个第一爪指52嵌入对应的一个第一限位槽71内，第一限位槽71内具有容纳第一爪指52的空间。第二爪极6包括第二爪盘61和多个第二爪指62，多个第二爪指62与第二爪盘61连接，每个第二爪指62嵌入对应的一个第二限位槽72内，第二限位槽72内具有容纳第二爪指62的空间。
在本实施例中，通过在塑胶件7上设置有多个间隔布置的第一安装槽753，以及在相邻两个第一安装槽753之间设置第二安装槽753，第一爪极5中多个所述第一爪指52与第一爪盘51连接，第一爪指52嵌入对应的第一安装槽753内，第二爪极6中多个第二爪指62与第二爪盘61连接，第二爪指62嵌入对应的第二安装槽753内，相邻两个第一爪指52之间设置有第二爪指62。这样第一爪极5中多个第一爪指52嵌入塑胶件7上对应的第一安装槽753内，第二爪极6中多个第二爪指62嵌入塑胶件7上对应的第二安装槽753内，能够将第一爪极5和第二爪极6一体注塑，有效提升爪极的强度，有利于保证定子的装配精度，将线圈4分别与第一爪极5和第二爪极6绕线时，能够有效增加线圈4的尺寸，有利于提高产品的转矩。从而达到了能够提高电机的装配精度，提升产品的转矩的技术效果。
作为一种实施方式，请参阅图1和图2，塑胶件7包括第一限位部73、第二限位部74和壳体75，第一限位部73和第二限位部74相对设置，壳体75分别与第一限位部73和第二限位部74连接，在第一限位部73和第二限位部74之间设置有多个支撑件76，第一限位部73和相邻两个支撑件76围合上述第一限位槽71，第二限位部74和相邻两个支撑件76围合上述第二限位槽72。
作为一种实施方式，第一限位部73、支撑件76和壳体75围合形成第一通槽77，第一爪指52贯穿第一通槽77，第一通槽77和第一限位槽71相互连通，使得第一爪指52贯穿第一通槽77后伸入第一限位槽71内。第二限位部74、支撑件76和壳体75围合形成第二通槽78，第二爪指62贯穿第二通槽78，第二通槽78和第二限位槽72相互连通，使得第二爪指62贯穿第二通槽78后伸入第二限位槽72内。
作为一种实施方式，请参见图3，壳体75包括本体751和两个延伸部752，两个延伸部752分别与本体751连接，同时本体751分别与第一限位部73和第二限位部74连接，本体751和两个延伸部752围合形成有安装槽753，安装槽753的内部具有用于放置线圈4的空间。
在一些实施方式中，第一限位部73沿着转轴2的长度延伸方向在一个延伸部752的投影位于一个延伸部752上，第一爪盘51与一个延伸部752连接。第二限位部74沿着转轴2的长度延伸方向在另一个延伸部752的投影位于另一个延伸部752上，第二爪盘61与另一个延伸部752连接。
在一些实施方式中，第一爪极5和第二爪极6分别一体注塑成型后，可以将线圈4与第一爪极5和第二爪极6一体绕线。第一爪指52沿着靠近第二爪盘61的方向上呈现为渐缩状，第二爪指62沿着靠近第一爪盘51的方向上呈现为渐缩状。
在一些实施方式中，请参见图2至图9，第一爪指52包括第一指根部521和第一指尖部522，第一指尖部522与第一指根部521连接，第一指根部521与第一爪盘51连接，第一指尖部522沿着靠近转轴2的方向呈现为凹陷状。第二爪指62包括第二指根部621和第二指尖部622，第二指尖部622与第二指根部621连接，第二指根部621与第二爪盘61连接，第二指尖部622沿着靠近转轴2的方向呈现为凹陷状，第二指尖部622和第一指尖部522围合呈现为圆环状，这样能够增大该圆环状的内部空间，为容纳转轴2以及绕转轴2的周向布置的磁钢1提供更大的空间。
作为一种实施方式，第一指根部521沿着靠近第一爪盘51的方向上与转轴2的间距逐渐扩大，使得第一指根部521呈现为弯曲状。第二指根部621沿着靠近第二爪盘61的方向上与转轴2的间距逐渐扩大，使得第二指根部621呈现为弯曲状。
作为一种实施方式，第一指尖部522和第二爪盘61之间留有第一间隙5221，第二指尖部622和第一爪盘51之间留有第二间隙6221，第一间隙5221的间距和第二间隙6221的间距相等，使得位于该间距内的相邻两个支撑件76的连接处具有较大的宽度。
在一些实施方式中，位于第一爪指52两侧的两个支撑件76的延长线相互交叉，通过设置相互交叉的支撑件76有利于提高第一爪极5、第二爪极6、塑胶件7和支撑件76整体结构的强度。
作为一种实施方式，请参见图3至图5，本申请实施例提供的一种电机还包括外壳3，本领域技术人员可以理解的是，本申请实施例提供的一种电机中对外壳3的具体结构不作限制，只需要将设置有线圈4、第一爪极5、第二爪极6的塑胶件7放置在外壳3的内部，转轴2以及绕转轴2套设的磁钢1放置在塑胶件7的内部，通过通电的线圈4驱动转轴2以及绕转轴2设置的磁钢1在外壳3的内部进行转动即可。
在一些实施方式中，请参阅图3，本发明实施例提供的一种电机还包括第三爪极30、第四爪极301、另一个外壳40、另一个线圈50以及另一个塑胶件60，由于第三爪极30和上述第一爪极5的结构、原理相同，此处不再累述。由于第四爪极301和上述第二爪极6的结构、原理相同，此处不再累述。由于另一个外壳40和上述外壳3的结构、原理相同，此处不再累述。由于另一个线圈50和上述线圈4的结构、原理相同，此处不再累述。由于另一个塑胶件60和上述塑胶件7的结构、原理相同，此处不再累述。通过将第三爪极30和第四爪极301分别安装至另一个塑胶件60上，将另一个线圈50安装至该另一个塑胶件60的外部，另一个外壳40套设在另一个线圈50的外部，将上述塑胶件7和另一个塑胶件60沿着竖直方向上进行安装后，能够适应较长的转轴2以及绕转轴2设置的较长的磁钢1。
作为一种实施方式，本申请实施例提供的一种电机中磁钢1采用一体式磁钢1，即将呈现为圆柱体的磁钢1套设在转轴2上，转轴2与磁钢1固定连接，并且转轴2的两端伸出至磁钢1的外部。
以上所述的仅是本申请的实施方式，在此应当指出，对于本领域的普通技术人员来说，在不脱离本申请创造构思的前提下，还可以做出改进，但这些均属于本申请的保护范围。

Claims (10)

  1. 一种电机，其特征在于，所述电机包括：第一爪极、第二爪极和塑胶件，所述塑胶件设置有多个间隔布置的第一安装槽以及设置于相邻两个所述第一安装槽之间的第二安装槽，所述第一爪极包括第一爪盘和多个第一爪指，多个所述第一爪指与所述第一爪盘连接，所述第一爪指嵌入对应的所述第一安装槽，第二爪极包括第二爪盘和多个第二爪指，多个所述第二爪指与所述第二爪盘连接，所述第二爪指嵌入对应的所述第二安装槽，相邻两个所述第一爪指之间设置有所述第二爪指。
  2. 根据权利要求1所述的电机，其特征在于：所述塑胶件包括相对设置的第一限位部和第二限位部，以及分别连接所述第一限位部和所述第二限位部的壳体，于所述第一限位部和所述第二限位部之间设置有多个支撑件，相邻两个所述支撑件和所述第一限位部围合所述第一限位槽，相邻两个所述支撑件和所述第二限位部围合所述第二限位槽。
  3. 根据权利要求2所述的电机，其特征在于：所述第一限位部、所述支撑件和所述壳体围合形成有用于所述第一爪指贯穿的第一通槽，所述第一通槽和所述第一限位槽相通；所述第二限位部、所述支撑件和所述壳体围合形成有用于所述第二爪指贯穿的第二通槽，所述第二通槽和所述第二限位槽相通。
  4. 根据权利要求2所述的电机，其特征在于：所述壳体包括本体以及分别与所述本体连接的两个延伸部，所述本体分别与所述第一限位部和所述第二限位部连接，所述本体和两个所述延伸部围合形成有用于放置线圈的安装槽。
  5. 根据权利要求2所述的电机，其特征在于，所述电机还包括：转轴以及与所述转轴连接的磁钢，所述转轴贯穿所述壳体，所述磁钢位于所述转轴和所述支撑件之间。
  6. 根据权利要求5所述的电机，其特征在于：所述第一限位部沿所述转轴的长度延伸方向在一个所述延伸部的投影位于一个所述延伸部上，所述第一爪盘与一个所述延伸部连接，所述第二限位部沿所述转轴的长度延伸方向在另一个所述延伸部的投影位于另一个所述延伸部上，所述第二爪盘与另一个所述延伸部连接。
  7. 根据权利要求5所述的电机，其特征在于：所述第一爪指包括第一指根部以及与所述第一指根部连接的第一指尖部，所述第一指根部与所述第一爪盘连接，所述第一指尖部沿靠近所述转轴的方向凹陷；所述第二爪指包括第二指根部以及与所述第二指根部连接的第二指尖部，所述第二指根部与所述第二爪盘连接，所述第二指尖部沿靠近所述转轴的方向凹陷，所述第二指尖部和所述第一指尖部围合呈圆环状。
  8. 根据权利要求7所述的电机，其特征在于：所述第一指根部沿靠近所述第一爪盘的方向上与所述转轴的间距扩大，所述第二指根部沿靠近所述第二爪盘的方向上与所述转轴的间距扩大。
  9. 根据权利要求2所述的电机，其特征在于：相邻两个所述支撑件的延长线相交叉。
  10. 根据权利要求1所述的电机，其特征在于：所述第一爪指沿靠近所述第二爪盘的方向上呈渐缩状，所述第二爪指沿靠近所述第一爪盘的方向上呈渐缩状，所述第一爪极和所述第二爪极分别一体注塑成型。
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