WO2019107425A1 - Gearbox, gear motor, and electrical product comprising said gear motor - Google Patents

Gearbox, gear motor, and electrical product comprising said gear motor Download PDF

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Publication number
WO2019107425A1
WO2019107425A1 PCT/JP2018/043810 JP2018043810W WO2019107425A1 WO 2019107425 A1 WO2019107425 A1 WO 2019107425A1 JP 2018043810 W JP2018043810 W JP 2018043810W WO 2019107425 A1 WO2019107425 A1 WO 2019107425A1
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WIPO (PCT)
Prior art keywords
gear
housing
worm
worm gear
lid member
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PCT/JP2018/043810
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French (fr)
Japanese (ja)
Inventor
シャムソル ビン チェ・サクリ
明文 趙
光耀 謝
暁艶 宋
Original Assignee
日本電産株式会社
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Application filed by 日本電産株式会社 filed Critical 日本電産株式会社
Priority to DE112018006126.4T priority Critical patent/DE112018006126T5/en
Publication of WO2019107425A1 publication Critical patent/WO2019107425A1/en

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
    • H02K7/1163—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears where at least two gears have non-parallel axes without having orbital motion
    • H02K7/1166—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears where at least two gears have non-parallel axes without having orbital motion comprising worm and worm-wheel

Definitions

  • the present invention relates to the field of motors, and in particular to gearboxes, gear motors and electrical products comprising such gear motors.
  • the gearbox comprises a worm gear, which meshes with the worm of a shaft fixed to the drive motor.
  • both axial ends of the worm gear are supported by two bearings disposed on the lid side and the output side, respectively.
  • the two bearings are arranged, if the two bearings do not have the same degree of coaxiality, problems such as gear tooth skipping may easily occur after mounting them on an actual device. In addition, due to the gear teeth skipping, noise is generated and the quality of the entire gearbox is degraded.
  • embodiments of the present invention provide a gearbox, a gear motor, and an electrical product comprising the gear motor, wherein the coaxial of the bearings on both sides is provided. Overcome the problems caused by the low degree.
  • a gear motor including a drive motor and a gear box, said drive motor comprising a shaft and a worm fixed to an output end of said shaft,
  • the gear box is fixed to a housing having a housing space therein, a worm gear housed inside the housing and meshed with the worm, and the housing, and the worm gear supported on the output side of the worm gear
  • a gear motor is provided, comprising: a bearing; and a lid member fixed to the housing and in contact with the worm gear on the side opposite to the output side of the worm gear.
  • an electrical product comprising the above gear motor.
  • a gear box disposed in a gear motor comprising a drive motor having a shaft and a worm fixed to the output end of the shaft, wherein the housing space is inside A housing having a housing, a worm gear housed inside the housing and meshed with the worm, a bearing fixed to the housing and supporting the worm gear on an output side of the worm gear, and fixed to the housing And a lid member that abuts the worm gear on the side opposite to the output side of the worm gear.
  • the beneficial effects of the embodiments of the present invention are as follows.
  • the worm gear of the gearbox is configured such that the output side is supported by the bearing and the other side (the side opposite to the output side) is in contact with the lid member, so the coaxiality of the bearings on both sides is low Overcame the problem caused by the cause.
  • FIG. 1 is a cross-sectional view of an embodiment of a gear motor in a first embodiment.
  • FIG. 2 is a cross-sectional view of the gear motor of the gear motor in the first embodiment.
  • FIG. 3 is a schematic view of a worm gear of the gear motor in the first embodiment.
  • FIG. 4 is a schematic view before the lid member is assembled to the housing and after assembled to the housing.
  • the terms “first”, “second” etc. are used to distinguish different elements on the name, but the spatial arrangement or temporal order of those elements Etc., and their elements are not limited by those terms.
  • the term “and / or” includes any or all combinations of one or more of the associated listed items.
  • the terms “include”, “include”, “have” etc refer to the presence of the described feature, element, element or component, but the presence or addition of one or more other features, elements, element or component Is not excluded.
  • axial direction a direction parallel to the extending direction along the shaft
  • radial direction a radial direction centering on the shaft
  • circumferential direction The circumferential direction centering on the shaft
  • FIG. 1 is a cross-sectional view of one embodiment of the gear motor, and as shown in FIG. 1, the gear motor includes a drive motor 100 and a gearbox 200.
  • FIG. 2 is a cross-sectional view of the gearbox 200, although a portion of the drive motor 100 is also shown in FIG.
  • the drive motor 100 includes a shaft 101 and a worm 102 fixed to an output end of the shaft 101.
  • the gear box 200 is fixed to a housing 201 having a housing space therein, a worm gear 202 housed in the housing 201 and meshed with the worm 102, and the housing 201.
  • the gear box 200 has a bearing 203 supporting the worm gear 202 on the output side of the worm gear 202, and a cover member 204 fixed to the housing 201 and abutted on the worm gear 202 on the opposite side to the output side of the worm gear 202. ,including.
  • the drive motor 100 mainly includes a stator and a rotor.
  • the rotor rotates relative to the stator about a central axis, and the rotor includes the shaft 101 and a worm 102 fixed to an output end of the shaft 101.
  • the worm gear is supported by one bearing on the output side, and the worm gear is in contact with the lid member on the side opposite to the output side, and on the same side Only by the worm gear being supported, it is possible to remove the noise due to the decrease in the coaxiality of the bearing due to the worm gear being supported by the two bearings.
  • the bearing 203 may be a sleeve bearing formed integrally with the housing 201, may be a separately formed sleeve bearing, or another type of bearing. May be In the present embodiment, the formation method is not limited. By the bearing 203 and the housing 201 which are integrally formed, it is possible to reduce the number of mounting steps and save time and effort.
  • the end of the bearing 203 near the lid member 204 is at the same height as the center of the shaft 101 with respect to the lid member 204. To position. In another embodiment of the present embodiment, the end of the bearing 203 closer to the lid member 204 may be closer to the lid member 204 than the center of the shaft 101. Such a structure can support the worm gear 202 more stably.
  • the worm 102 may be integrally formed with the shaft 101.
  • teeth may be formed on the outer periphery of the output end of the shaft 101 to configure the worm 102. This facilitates the formation and reduces the number of assembling steps.
  • FIG. 3 is a schematic view of a worm gear of the gear motor in the first embodiment.
  • the gear motor may include an output gear 300.
  • the output gear 300 is fixed to the output side of the worm gear 202, that is, the side supported by the bearing 203 with respect to the worm gear 202, and can rotate coaxially with the worm gear 202.
  • the output gear 300 thus installed can transmit and output the driving force of the drive motor 100 by means of a gear mechanism such as a worm, a worm gear, and an output gear.
  • the worm gear 202 has more teeth than the worm 102. Thereby, the deceleration function can be realized. If the reduction function is not necessary, the number of teeth of the worm gear 202 may be set to be the same as that of the worm 102. Further, the number of teeth referred to here indicates the number of external teeth, that is, the total number of external teeth over one circumference of the worm gear 202 and the total number of external teeth of the worm 102.
  • the housing 201 may be made of a resin material, and the lid member 204 may be made of a metal material. Thereby, the lid member 204 can be easily assembled to the housing 201 by utilizing the merit of elastic deformation by the metal material.
  • FIG. 4 is a schematic view before the lid member 204 is assembled to the housing 201 and after assembled to the housing 201.
  • the lid member 204 has a claw portion 205 extending toward the housing 201, and the lid member 204 is fixed to the housing 201 by the claw portion 205.
  • the fixing method is not limited.
  • the number of claws is not limited in the present embodiment. Although only two claws 205 are shown in FIG. 4, in fact, the structure may have three claws. By providing the claw portion 205, the lid member 204 can be easily fixed to the housing 201, and the cost can be reduced.
  • the surface of the worm gear 202 facing the lid member 204 further has a convex portion 206 extending to the lid member 204, and the upper end of the convex portion 206 is a lid member It may be in contact with 204.
  • the lid member 204 may abut on the worm gear 202 on the side opposite to the output side of the worm gear 202.
  • the contact area of the worm gear 202 and the lid member 204 can be reduced, and the influence of the frictional force on the transmission efficiency can be reduced.
  • the convex portion 206 may be substantially cylindrical, and the portion in contact with the lid member 204 may be a substantially annular wall portion.
  • the cylindrical convex portion 206 is provided, and the portion in contact with the lid member 204 is installed on the substantially annular wall portion, so that the area of the contact can be further reduced, and the energy consumption is further reduced. can do.
  • the drive motor 100 is an inner rotor type motor, but the conventional technology may be referred to for other general-purpose configurations of the drive motor 100. The explanation is omitted here.
  • the worm gear of the gear box is configured such that the output side is supported by the bearing and the other side (the side opposite to the output side) is in contact with the lid member.
  • Example 2 This embodiment provides an electrical product comprising the gear motor described in Embodiment 1 and other general purpose components.
  • the structure, installation method and function of the general-purpose component are not limited.
  • the prior art may be referred to.
  • the output side of the worm gear of the gear box is supported by the bearing, and the other side (the side opposite to the output side) is in contact with the lid member. Because it is configured to overcome the problems caused by the low degree of coaxiality of the bearings on both sides.
  • the electrical product in this embodiment may be any electrical product in which a gear motor is used.
  • a gear motor may be a vehicle transmission using a motor.
  • the present embodiment is not limited thereto, and the gear motor in the first embodiment may be used as a motor of another electrical product.
  • it may be used as a motor in an electric apparatus such as an electric seat, an indoor unit of an air conditioner, an outdoor unit of an air conditioner, a water server, a washing machine, a vacuum cleaner, a compressor, a blower, a mixer, or It may be used as a motor in an information device, an industrial device or the like.
  • Example 3 The invention provides a gearbox arranged in a gear motor comprising a drive motor having a shaft and a worm fixed to the output end of said shaft.
  • the gear box 200 is fixed to the housing 201 having the housing space therein, the worm gear 202 housed in the housing 201 and meshed with the worm, and the housing 201.
  • the worm gear of the gear box is configured such that the output side is supported by the bearing and the other side (the side opposite to the output side) is in contact with the lid member. So we overcome the problems caused by the low degree of coaxiality of the bearings on both sides.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

Provided is a gear motor comprising a drive motor and a gearbox. The drive motor has a shaft and a worm that is fixed to the output end of the shaft. The gearbox comprises: a housing having therein a storage space; a worm gear that is stored in the housing and engages with the worm; a bearing that is fixed to the housing and supports the worm gear on the output side of the worm gear; and a lid member that is fixed to the housing and abuts the worm gear on the side of the worm gear opposite the output side.

Description

ギアボックス、ギアモータ、および、当該ギアモータを含む電気製品Gearboxes, gear motors, and electrical products including the gear motors
　本発明は、モータ分野に関し、特に、ギアボックス、ギアモータ、および、当該ギアモータを含む電気製品に関する。 The present invention relates to the field of motors, and in particular to gearboxes, gear motors and electrical products comprising such gear motors.
　ギアボックスの一構造では、当該ギアボックスは、ウォームギアを含み、当該ウォームギアは、駆動モータに固定されているシャフトのウォームと噛み合っている。 In one construction of the gearbox, the gearbox comprises a worm gear, which meshes with the worm of a shaft fixed to the drive motor.
　上記ギアボックスの構造では、ウォームギアの軸方向の両端は、それぞれ、蓋部側と出力側に配置されている2つの軸受けによって支持されている。上記2つの軸受けを配置するときに、この2つの軸受けの同軸度が良くない場合、それらを実際の機器に装着した後、ギアの歯飛び等の問題が生じやすくなる。しかも、ギアの歯飛びに起因して、ノイズが生じ、さらに、ギアボックス全体の品質が低下してしまう。 In the structure of the gear box, both axial ends of the worm gear are supported by two bearings disposed on the lid side and the output side, respectively. When the two bearings are arranged, if the two bearings do not have the same degree of coaxiality, problems such as gear tooth skipping may easily occur after mounting them on an actual device. In addition, due to the gear teeth skipping, noise is generated and the quality of the entire gearbox is degraded.
　背景技術に指摘された問題のうちの少なくとも1つを解決するために、本発明の実施例は、ギアボックス、ギアモータ、および、当該ギアモータを含む電気製品を提供することで、両側の軸受けの同軸度が低い原因で生じた問題を克服する。 In order to solve at least one of the problems pointed out in the background art, embodiments of the present invention provide a gearbox, a gear motor, and an electrical product comprising the gear motor, wherein the coaxial of the bearings on both sides is provided. Overcome the problems caused by the low degree.
　本発明の実施例の第1の態様では、駆動モータとギアボックスを含むギアモータであって、前記駆動モータは、シャフトと、前記シャフトの出力端に固定されているウォームと、を有し、前記ギアボックスは、収容空間を内部に有するハウジングと、前記ハウジングの内部に収容され、前記ウォームに噛み合っているウォームギアと、前記ハウジングに固定されており、前記ウォームギアの出力側に前記ウォームギアを支持している軸受けと、前記ハウジングに固定されており、前記ウォームギアの出力側とは反対側に前記ウォームギアに当接する蓋部材と、を含む、ギアモータを提供する。 In a first aspect of an embodiment of the present invention, there is provided a gear motor including a drive motor and a gear box, said drive motor comprising a shaft and a worm fixed to an output end of said shaft, The gear box is fixed to a housing having a housing space therein, a worm gear housed inside the housing and meshed with the worm, and the housing, and the worm gear supported on the output side of the worm gear A gear motor is provided, comprising: a bearing; and a lid member fixed to the housing and in contact with the worm gear on the side opposite to the output side of the worm gear.
　本発明の実施例の第2の態様では、上記ギアモータを含む電気製品を提供する。 According to a second aspect of the present invention, there is provided an electrical product comprising the above gear motor.
　本発明の実施例の第3の態様では、シャフトと前記シャフトの出力端に固定されているウォームとを有する駆動モータを備えたギアモータに配置されているギアボックスであって、収容空間を内部に有するハウジングと、前記ハウジングの内部に収容され、前記ウォームに噛み合っているウォームギアと、前記ハウジングに固定されており、前記ウォームギアの出力側に前記ウォームギアを支持している軸受けと、前記ハウジングに固定されており、前記ウォームギアの出力側とは反対側に前記ウォームギアに当接する蓋部材と、を含む、ギアボックスを提供する。 In a third aspect of the embodiment of the present invention, there is provided a gear box disposed in a gear motor comprising a drive motor having a shaft and a worm fixed to the output end of the shaft, wherein the housing space is inside A housing having a housing, a worm gear housed inside the housing and meshed with the worm, a bearing fixed to the housing and supporting the worm gear on an output side of the worm gear, and fixed to the housing And a lid member that abuts the worm gear on the side opposite to the output side of the worm gear.
　本発明の実施例による有益な効果は、以下の通りである。ギアボックスのウォームギアは、出力側が軸受けによって支持されており、他方側（出力側とは反対側）が蓋部材に当接されているように構成されているので、両側の軸受けの同軸度が低い原因で生じた問題を克服した。 The beneficial effects of the embodiments of the present invention are as follows. The worm gear of the gearbox is configured such that the output side is supported by the bearing and the other side (the side opposite to the output side) is in contact with the lid member, so the coaxiality of the bearings on both sides is low Overcame the problem caused by the cause.
　後述する説明と図面を参照して、本発明の特定な実施の形態は詳しく開示され、本発明の原理が使用されることも示された。但し、本発明は、実施形態に限定されるものではない。 添付される特許請求の範囲における請求項の範囲内において、本発明の実施の形態は多くの変更、修正及び均等物を含む。 With reference to the following description and the drawings, the specific embodiments of the present invention are disclosed in detail and also indicated that the principles of the present invention may be used. However, the present invention is not limited to the embodiment. Within the scope of the appended claims, the embodiments of the present invention include many variations, modifications and equivalents.
　1つの実施の形態の記載及び/又は示された特徴に対して、同様又は類似する様態で1つ又は更に多くのその他の実施の形態に使用され、その他の実施の形態の特徴と組み合わせ、或はその他の実施の形態の特徴を切り替えることができる。 The features described and / or illustrated in one embodiment may be used in one or more other embodiments in a similar or similar manner, in combination with the features of the other embodiments, or Can switch the features of the other embodiments.
　強調すべきことは、術語である「備える/含む」は本文で特徴、整体部材、ステップ又は部材の存在を示すために使われているが、1つ又は更に多くのその他の特徴、整体部材、ステップ又は部材の存在或は付加が排除されるわけではない。 It should be emphasized that the term "comprising" is used herein to indicate the presence of a feature, body part, step or part, but one or more other features, body part, The presence or addition of steps or components is not precluded.
　本発明の実施例に係る1つの添付図面または1つの実施の形態に示された要素と特徴は、1つ又は更に多くのその他の添付図面または実施の形態に示された要素と特徴とを組み合わせることができる。また、添付図面には、類似した符号は、いくつかの添付図面における対応する部材を示し、かつ、1つ以上の実施の形態に使用された対応部材を示すこともできる。 The elements and features shown in one attached drawing or one embodiment according to an embodiment of the present invention combine the elements and features shown in one or more other attached drawings or embodiments. be able to. Also, in the accompanying drawings, like numerals indicate corresponding parts in the several attached drawings and may indicate corresponding parts used in one or more embodiments.
　添付図面は本発明の実施例をさらに理解するために供されるもので、明細書の一部を構成し、本発明の好ましい実施形態を例示するとともに、文字記載と合わせて本発明の原理を説明するものである。ただし、添付図面は本発明の実施形態にすぎず、本発明が添付図面に限定されるものではない。
図1は、実施例1におけるギアモータの一実施形態の断面図である。 図2は、実施例1におけるギアモータのギアボックスの断面図である。 図3は、実施例1におけるギアモータのウォームギアの模式図である。 図4は、蓋部材がハウジングに組み立てられる前、および、ハウジングに組み立てられた後の模式図である。 The accompanying drawings are provided to further understand the embodiments of the present invention and constitute a part of the specification, exemplify the preferred embodiments of the present invention and, together with the text, explain the principles of the present invention. It is an explanation. However, the attached drawings are only embodiments of the present invention, and the present invention is not limited to the attached drawings.
FIG. 1 is a cross-sectional view of an embodiment of a gear motor in a first embodiment. FIG. 2 is a cross-sectional view of the gear motor of the gear motor in the first embodiment. FIG. 3 is a schematic view of a worm gear of the gear motor in the first embodiment. FIG. 4 is a schematic view before the lid member is assembled to the housing and after assembled to the housing.
　図面を参照して、下記の明細書によれば、本発明の上記及びその他の特徴がより明瞭になるであろう。明細書及び図面において、本発明の特定実施形態は具体的に開示され、本発明の原理を採用可能な実施形態の一部が示されるが、本発明は記載される実施形態に限らないということにも注意すべきである。逆に、本発明には、添付される請求の範囲内に属するすべての修正、変形及び均等物を含むこととする。 With reference to the drawings, the above and other features of the present invention will become more apparent in accordance with the following specification. In the specification and the drawings, the specific embodiments of the present invention are specifically disclosed, and some of the embodiments capable of adopting the principle of the present invention are shown, but the present invention is not limited to the described embodiments. You should also be careful. On the contrary, the invention is intended to cover all modifications, variations and equivalents falling within the scope of the appended claims.
　本発明の実施例では、用語である「第1の」、「第2の」などは、異なる要素を、名称上に区別させるために用いられるが、それらの要素の空間的配列又は時間的順序などを示すものではなく、それらの要素はそれらの用語によって限られていない。用語である「及び/または」は、関連して挙げられた用語のうちの1つまたは複数のいずれか又は全ての組み合わせを含む。用語である「含む」、「備える」、「有する」などは、記述の特徴、要素、素子または部品の存在を指すが、1つまたは複数の他の特徴、要素、素子または部品の存在又は添加が排除されていない。 In the embodiments of the present invention, the terms "first", "second" etc. are used to distinguish different elements on the name, but the spatial arrangement or temporal order of those elements Etc., and their elements are not limited by those terms. The term "and / or" includes any or all combinations of one or more of the associated listed items. The terms "include", "include", "have" etc refer to the presence of the described feature, element, element or component, but the presence or addition of one or more other features, elements, element or component Is not excluded.
　本発明の実施例では、単数態様を示す「一」、「当該」などは、複数態様を含み、「1種」又は「1類」として広義的に理解されるべきであるが、「1つ」の意味に限られていない。また、用語である「前記」は、上下文に別途で説明した場合を除き、単数態様も複数態様も含むものとして理解されるべきである。また、用語である「による」は、上下文に別途で説明した場合を除き、「少なくとも一部は……による」と理解されるべきであり、用語である「基づく」は、上下文に別途で説明した場合を除き、「少なくとも一部は……に基づく」と理解されるべきである。 In the embodiments of the present invention, the singular form “one”, “relevant” and the like include plural aspects and should be broadly understood as “one kind” or “one class”, but “one It is not limited to the meaning of In addition, the term "above" should be understood as including a singular aspect and a plurality of aspects, unless otherwise described in context. In addition, the term "by" should be understood as "at least in part by ..." unless the case is described separately in the upper and lower sentences, and the term "based" is explained separately in the upper and lower sentences Unless otherwise specified, it should be understood as "based at least in part on ...".
　本発明の実施例では、説明に利便性を図るために、シャフトに沿って延伸する方向と平行な方向を「軸方向」と呼び、シャフトを中心とした半径方向を「径方向」と呼び、シャフトを中心とした円周方向を「周方向」と呼ぶことにする。ただし、それらは、説明の便宜上、設定したものであり、本発明の実施例におけるギアモータまたは駆動モータの使用時または製造時の向きを限定するものではない。 In the embodiment of the present invention, in order to facilitate the description, a direction parallel to the extending direction along the shaft is called "axial direction", and a radial direction centering on the shaft is called "radial direction", The circumferential direction centering on the shaft is called "circumferential direction". However, they are set for convenience of explanation, and do not limit the direction of using or manufacturing the gear motor or the drive motor in the embodiment of the present invention.
　以下は、本発明の種々の実施形態について、添付図面を参照しながら説明する。それらの実施例はただ例示的なものに過ぎず、本発明を規制するものではない。 Various embodiments of the present invention will now be described with reference to the accompanying drawings. The examples are merely illustrative and do not limit the invention.
＜実施例1＞
　本発明の実施例は、ギアモータを提供する。図1は、当該ギアモータの一実施形態の断面図であり、図1に示すように、当該ギアモータは駆動モータ100とギアボックス200を含む。図2は、当該ギアボックス200の断面図であり、ただし、図2には、駆動モータ100の一部も示される。図2に示すように、当該駆動モータ100は、シャフト101と、当該シャフト101の出力端に固定されているウォーム102と、を有する。当該ギアボックス200は、収容空間を内部に有するハウジング201と、ハウジング201の内部に収容され、ウォーム102に噛み合っているウォームギア202と、ハウジング201に固定されている。ギヤボックス２００は、ウォームギア202の出力側に当該ウォームギア202を支持している軸受け203と、ハウジング201に固定されておりウォームギア202の出力側とは反対側に当該ウォームギア202に当接する蓋部材204と、を含む。 Example 1
Embodiments of the present invention provide a gear motor. FIG. 1 is a cross-sectional view of one embodiment of the gear motor, and as shown in FIG. 1, the gear motor includes a drive motor 100 and a gearbox 200. FIG. 2 is a cross-sectional view of the gearbox 200, although a portion of the drive motor 100 is also shown in FIG. As shown in FIG. 2, the drive motor 100 includes a shaft 101 and a worm 102 fixed to an output end of the shaft 101. The gear box 200 is fixed to a housing 201 having a housing space therein, a worm gear 202 housed in the housing 201 and meshed with the worm 102, and the housing 201. The gear box 200 has a bearing 203 supporting the worm gear 202 on the output side of the worm gear 202, and a cover member 204 fixed to the housing 201 and abutted on the worm gear 202 on the opposite side to the output side of the worm gear 202. ,including.
　本実施例では、当該駆動モータ100は、主に、ステータとロータとからなる。ロータは、中心軸を中心として、ステータに対して回転し、当該ロータは、上記シャフト101と、当該シャフト101の出力端に固定されているウォーム102と、を含む。 In the present embodiment, the drive motor 100 mainly includes a stator and a rotor. The rotor rotates relative to the stator about a central axis, and the rotor includes the shaft 101 and a worm 102 fixed to an output end of the shaft 101.
　本実施例における駆動モータの上記構成によれば、出力側にてウォームギアが1つの軸受けによって支持されており、出力側とは反対側にてウォームギアが蓋部材に当接され、かつ、同側に当該ウォームギアが支持されているだけで、ウォームギアが2つの軸受けによって支持されたことに起因した軸受けの同軸度の低下によるノイズを除去することができる。 According to the above configuration of the drive motor in this embodiment, the worm gear is supported by one bearing on the output side, and the worm gear is in contact with the lid member on the side opposite to the output side, and on the same side Only by the worm gear being supported, it is possible to remove the noise due to the decrease in the coaxiality of the bearing due to the worm gear being supported by the two bearings.
　本実施例では、上記軸受け203は、ハウジング201と一体に形成されているスリーブ軸受けであってもよく、個別に形成されているスリーブ軸受けであってもよく、または、他の種類の軸受けであってもよい。本実施例では、その形成方式は限定されていない。一体化して形成されている軸受け203とハウジング201によって、装着の工数を低減して、手間を省くことが可能となる。 In the present embodiment, the bearing 203 may be a sleeve bearing formed integrally with the housing 201, may be a separately formed sleeve bearing, or another type of bearing. May be In the present embodiment, the formation method is not limited. By the bearing 203 and the housing 201 which are integrally formed, it is possible to reduce the number of mounting steps and save time and effort.
　本実施例の一実施形態では、図2中の点線に示すように、当該軸受け203の蓋部材204に近い側の端部は、当該蓋部材204に対してシャフト101の中心と同じ高さに位置する。本実施例の別の実施形態では、当該軸受け203の蓋部材204に近い側の端部は、シャフト101の中心より当該蓋部材204に近い位置にあってもよい。そのような構造により、ウォームギア202をさらに安定的に支持することができる。 In one embodiment of the present embodiment, as shown by the dotted line in FIG. 2, the end of the bearing 203 near the lid member 204 is at the same height as the center of the shaft 101 with respect to the lid member 204. To position. In another embodiment of the present embodiment, the end of the bearing 203 closer to the lid member 204 may be closer to the lid member 204 than the center of the shaft 101. Such a structure can support the worm gear 202 more stably.
　本実施例では、上記ウォーム102はシャフト101と一体に形成されてもよい。例えば、シャフト101の出力端の外周に歯が形成されてウォーム102が構成されてもよい。これにより、形成が容易になり、組立工数を削減することができる。 In the present embodiment, the worm 102 may be integrally formed with the shaft 101. For example, teeth may be formed on the outer periphery of the output end of the shaft 101 to configure the worm 102. This facilitates the formation and reduces the number of assembling steps.
　本実施例では、図3は実施例1におけるギアモータのウォームギアの模式図である。図3に示すように、当該ギアモータは、出力ギア300を含んでもよい。当業界では、ピ二オンと呼ばれることが一般的である。当該出力ギア300は、ウォームギア202の出力側、即ち、ウォームギア202に対して軸受け203によって支持されている側に固定されており、ウォームギア202と同軸に回転することができる。そのように設置された出力ギア300により、駆動モータ100の駆動力を、ウォーム、ウォームギア、出力ギアというギア機構によって、伝達して出力することができる。 In this embodiment, FIG. 3 is a schematic view of a worm gear of the gear motor in the first embodiment. As shown in FIG. 3, the gear motor may include an output gear 300. In the industry, it is common to be called a pinion. The output gear 300 is fixed to the output side of the worm gear 202, that is, the side supported by the bearing 203 with respect to the worm gear 202, and can rotate coaxially with the worm gear 202. The output gear 300 thus installed can transmit and output the driving force of the drive motor 100 by means of a gear mechanism such as a worm, a worm gear, and an output gear.
　本実施例では、ウォームギア202はウォーム102よりも、歯数が多い。これにより、減速機能を実現することができる。減速機能が不要である場合、ウォームギア202の歯数を、ウォーム102と同じように設置してもよい。また、ここでいう歯数は、外歯の数、即ち、ウォームギア202の一周に亘る外歯の総数とウォーム102の外歯の総数を指す。 In the present embodiment, the worm gear 202 has more teeth than the worm 102. Thereby, the deceleration function can be realized. If the reduction function is not necessary, the number of teeth of the worm gear 202 may be set to be the same as that of the worm 102. Further, the number of teeth referred to here indicates the number of external teeth, that is, the total number of external teeth over one circumference of the worm gear 202 and the total number of external teeth of the worm 102.
　本実施例では、ハウジング201は、樹脂材料で作成されてもよく、蓋部材204は、金属材料で作成されてもよい。これにより、金属材料による弾性変形のメリットを活用して、蓋部材204をハウジング201に容易に組み立てることができる。 In the present embodiment, the housing 201 may be made of a resin material, and the lid member 204 may be made of a metal material. Thereby, the lid member 204 can be easily assembled to the housing 201 by utilizing the merit of elastic deformation by the metal material.
　図4は、蓋部材204がハウジング201に組み立てられる前、および、ハウジング201に組み立てられた後の模式図である。図4に示すように、本実施例では、当該蓋部材204は、ハウジング201に向かって延伸している爪部205を有し、蓋部材204は、当該爪部205によってハウジング201に固定されている。本実施例では、固定方式は限定されていない。しかも、本実施例では、爪部の数も限定されていない。図4には、2つの爪部205しか示されていないが、実際には、3つの爪部を有する構造であってもよい。爪部205が設けられたことで、蓋部材204は、ハウジング201に容易に固定されるようになり、コストを削減することができる。 FIG. 4 is a schematic view before the lid member 204 is assembled to the housing 201 and after assembled to the housing 201. FIG. As shown in FIG. 4, in the present embodiment, the lid member 204 has a claw portion 205 extending toward the housing 201, and the lid member 204 is fixed to the housing 201 by the claw portion 205. There is. In the present embodiment, the fixing method is not limited. Moreover, the number of claws is not limited in the present embodiment. Although only two claws 205 are shown in FIG. 4, in fact, the structure may have three claws. By providing the claw portion 205, the lid member 204 can be easily fixed to the housing 201, and the cost can be reduced.
　本実施例では、図3に示すように、ウォームギア202の蓋部材204側に向かう表面には、蓋部材204へ延伸している凸部206をさらに有し、当該凸部206の上端は蓋部材204に接触していてもよい。これにより、蓋部材204によって、ウォームギア202の出力側とは反対側にて、ウォームギア202に当接されてもよい。しかも、凸部206が設けられたことで、ウォームギア202と蓋部材204の接触面積を減少し、摩擦力の作用による伝達効率への影響を減少することができる。 In the present embodiment, as shown in FIG. 3, the surface of the worm gear 202 facing the lid member 204 further has a convex portion 206 extending to the lid member 204, and the upper end of the convex portion 206 is a lid member It may be in contact with 204. Thus, the lid member 204 may abut on the worm gear 202 on the side opposite to the output side of the worm gear 202. Moreover, by providing the convex portion 206, the contact area of the worm gear 202 and the lid member 204 can be reduced, and the influence of the frictional force on the transmission efficiency can be reduced.
　また、本実施例では、図1と図2に示すように、当該凸部206は、略円筒状であり、蓋部材204に接触している部位が略環状の壁部であってもよい。円筒状の凸部206が設けられて、蓋部材204と接触している部位が略環状の壁部に設置されたことで、接触の面積をさらに減少することができ、エネルギーの消費をさらに減少することができる。 Further, in the present embodiment, as shown in FIG. 1 and FIG. 2, the convex portion 206 may be substantially cylindrical, and the portion in contact with the lid member 204 may be a substantially annular wall portion. The cylindrical convex portion 206 is provided, and the portion in contact with the lid member 204 is installed on the substantially annular wall portion, so that the area of the contact can be further reduced, and the energy consumption is further reduced. can do.
　本実施例では、上記駆動モータ100はインナーロータ型モータであるが、当該駆動モータ100の他の汎用構成について、従来技術が参照されてもよい。ここでは説明を省略されている。本実施例におけるギアモータの構成では、ギアボックスのウォームギアは、出力側が軸受けによって支持されており、他方側（出力側とは反対側）が蓋部材に当接されているように構成されているので、両側の軸受けの同軸度が低い原因で生じた問題を克服した。 In the present embodiment, the drive motor 100 is an inner rotor type motor, but the conventional technology may be referred to for other general-purpose configurations of the drive motor 100. The explanation is omitted here. In the configuration of the gear motor in the present embodiment, the worm gear of the gear box is configured such that the output side is supported by the bearing and the other side (the side opposite to the output side) is in contact with the lid member. Overcoming the problems caused by the low degree of coaxiality of the bearings on both sides.
＜実施例2＞
　本実施例は、実施例1に記載のギアモータと、他の汎用部品と、を備えた電気製品を提供する。本実施例では、当該汎用部品の構造、設置方式及び機能が限定されていない。従来技術が参照されてもよい。 Example 2
This embodiment provides an electrical product comprising the gear motor described in Embodiment 1 and other general purpose components. In the present embodiment, the structure, installation method and function of the general-purpose component are not limited. The prior art may be referred to.
　本実施例では、実施例1におけるギアモータの構造に基づき、ギアボックスのウォームギアは、出力側が軸受けによって支持されており、他方側（出力側とは反対側）が蓋部材に当接されているように構成されているので、両側の軸受けの同軸度が低い原因で生じた問題を克服した。 In this embodiment, based on the structure of the gear motor in Embodiment 1, the output side of the worm gear of the gear box is supported by the bearing, and the other side (the side opposite to the output side) is in contact with the lid member. Because it is configured to overcome the problems caused by the low degree of coaxiality of the bearings on both sides.
　本実施例における電気製品は、ギアモータが用いられた任意の電気製品であってもよい。例えば、モータが用いられた車両変速機であってもよい。しかし、本実施例は、それに限らず、実施例1におけるギアモータが他の電気製品のモータとして使用されてもよい。例えば、電動シート、空調機の室内機、空調機の室外機、ウォーターサーバー、洗濯機、掃除機、圧縮機、送風機、ミキサーなどの電気機器におけるモータとして使用されてもよいし、または、種々の情報機器、工業用機器などにおけるモータとして使用されてもよい。 The electrical product in this embodiment may be any electrical product in which a gear motor is used. For example, it may be a vehicle transmission using a motor. However, the present embodiment is not limited thereto, and the gear motor in the first embodiment may be used as a motor of another electrical product. For example, it may be used as a motor in an electric apparatus such as an electric seat, an indoor unit of an air conditioner, an outdoor unit of an air conditioner, a water server, a washing machine, a vacuum cleaner, a compressor, a blower, a mixer, or It may be used as a motor in an information device, an industrial device or the like.
＜実施例3＞
　本発明は、シャフトと前記シャフトの出力端に固定されているウォームとを有する駆動モータを備えたギアモータに配置されているギアボックスを提供する。 Example 3
The invention provides a gearbox arranged in a gear motor comprising a drive motor having a shaft and a worm fixed to the output end of said shaft.
　上述したように、図2に示すように、当該ギアボックス200は、収容空間を内部に有するハウジング201と、ハウジング201の内部に収容され、上記ウォームに噛み合っているウォームギア202と、ハウジング201に固定されており、ウォームギア202の出力側にウォームギア202を支持している軸受け203と、ハウジング201に固定されており、ウォームギア202の出力側とは反対側にウォームギア202に当接する蓋部材204と、を含む。 As described above, as shown in FIG. 2, the gear box 200 is fixed to the housing 201 having the housing space therein, the worm gear 202 housed in the housing 201 and meshed with the worm, and the housing 201. A bearing 203 supporting the worm gear 202 on the output side of the worm gear 202, and a cover member 204 fixed to the housing 201 and abutting the worm gear 202 on the opposite side to the output side of the worm gear 202; Including.
　本実施例では、当該駆動モータの構成や機能及び当該ギアボックスの構成や機能について、実施例1に既に詳しく説明されているので、それらの内容がここに合併されることにした。ここでは省略されたい。 In the present embodiment, since the configuration and function of the drive motor and the configuration and function of the gear box have already been described in detail in the first embodiment, their contents are merged here. I would like to omit it here.
　本実施例におけるギアボックスの構成では、ギアボックスのウォームギアは、出力側が軸受けによって支持されており、他方側（出力側とは反対側）が蓋部材に当接されているように構成されているので、両側の軸受けの同軸度が低い原因で生じた問題を克服した。 In the configuration of the gear box in this embodiment, the worm gear of the gear box is configured such that the output side is supported by the bearing and the other side (the side opposite to the output side) is in contact with the lid member. So we overcome the problems caused by the low degree of coaxiality of the bearings on both sides.
　以上、具体的な実施の形態を結び付けて、本発明を説明した。しかし、当業者が理解すべきことは、それらの記載はいずれも例示的なものに過ぎず、本発明の保護範囲に対する限定ではない。当業者は本発明の精神と原理に基づいて、本発明に対して種々変形や修正を行うことができるが、それらの変形と修正も本発明の範囲内に入っている。 The present invention has been described above in connection with specific embodiments. However, it should be understood by those skilled in the art that any of those descriptions is merely illustrative and is not a limitation on the scope of protection of the present invention. Although a person skilled in the art can make various variations and modifications to the present invention based on the spirit and principle of the present invention, those variations and modifications are also included in the scope of the present invention.

Claims (13)

  1. 　駆動モータとギアボックスを含むギアモータであって、
    　前記駆動モータは、シャフトと、前記シャフトの出力端に固定されているウォームと、を有し、
    　前記ギアボックスは、
    　　収容空間を内部に有するハウジングと、
    　　前記ハウジングの内部に収容され、前記ウォームに噛み合っているウォームギアと、
    　　前記ハウジングに固定されており、前記ウォームギアの出力側に前記ウォームギアを支持している軸受けと、
    　　前記ハウジングに固定されており、前記ウォームギアの出力側とは反対側に前記ウォームギアに当接する蓋部材と、を含む、ギアモータ。     A gear motor including a drive motor and a gear box,
    The drive motor comprises a shaft and a worm fixed to the output end of the shaft,
    The gearbox is
    A housing having a housing space therein;
    A worm gear housed inside the housing and meshing with the worm;
    A bearing fixed to the housing and supporting the worm gear on the output side of the worm gear;
    And a cover member fixed to the housing and in contact with the worm gear on the side opposite to the output side of the worm gear.
  2. 　前記軸受けは、スリーブ軸受けであり、前記スリーブ軸受けは前記ハウジングと一体に形成されている、請求項1に記載のギアモータ。 The gear motor according to claim 1, wherein the bearing is a sleeve bearing, and the sleeve bearing is integrally formed with the housing.
  3. 　前記スリーブ軸受けの前記蓋部材に近い側の端部は、前記蓋部材に対して前記シャフトの中心と同じ高さに位置し、又は、前記シャフトの中心より前記蓋部材に近い位置にある、請求項2に記載のギアモータ。 The end closer to the lid member of the sleeve bearing is located at the same height as the center of the shaft with respect to the lid member, or is closer to the lid member than the center of the shaft. The gear motor according to Item 2.
  4. 　前記ウォームは、前記シャフトと一体に形成されている、請求項1に記載のギアモータ。 The gear motor according to claim 1, wherein the worm is integrally formed with the shaft.
  5. 　前記ウォームギアの前記出力側の一端に固定されており、前記ウォームギアと同軸に回転可能な出力ギアをさらに含む、請求項1に記載のギアモータ。 The gear motor according to claim 1, further comprising an output gear fixed to one end of the output side of the worm gear and rotatable coaxially with the worm gear.
  6. 　前記ウォームギアは、前記ウォームよりも、歯数が多い、請求項1に記載のギアモータ。 The gear motor according to claim 1, wherein the worm gear has more teeth than the worm.
  7. 　前記ハウジングは、樹脂材料で作成されており、前記蓋部材は金属材料で作成されている、請求項1に記載のギアモータ。 The gear motor according to claim 1, wherein the housing is made of a resin material, and the lid member is made of a metal material.
  8. 　前記蓋部材は、前記ハウジングに向かって延伸している爪部を有し、前記蓋部材は、前記爪部によって前記ハウジングに固定されている、請求項1に記載のギアモータ。 The gear motor according to claim 1, wherein the lid member has a claw portion extending toward the housing, and the lid member is fixed to the housing by the claw portion.
  9. 　前記ウォームギアの前記蓋部材側に向かう表面には、前記蓋部材へ延伸している凸部を有し、前記凸部の上端は前記蓋部材に接触している、請求項1に記載のギアモータ。 The gear motor according to claim 1, further comprising: a protrusion extending to the lid member on a surface of the worm gear facing the lid member, wherein an upper end of the protrusion is in contact with the lid member.
  10. 　前記凸部は、円筒状であり、前記蓋部材に接触している部位が環状の壁部である、請求項9に記載のギアモータ。 The gear motor according to claim 9, wherein the convex portion is cylindrical and a portion in contact with the lid member is an annular wall portion.
  11. 　前記駆動モータは、インナーロータ型モータである、請求項1～10のいずれか1項に記載のギアモータ。 The gear motor according to any one of claims 1 to 10, wherein the drive motor is an inner rotor type motor.
  12. 　請求項1～11のいずれか1項に記載のギアモータを含む、電気製品。 An electrical product comprising the gear motor according to any one of claims 1 to 11.
  13. 　シャフトと前記シャフトの出力端に固定されているウォームとを有する駆動モータを備えたギアモータに配置されているギアボックスであって、
    　収容空間を内部に有するハウジングと、
    　前記ハウジングの内部に収容され、前記ウォームに噛み合っているウォームギアと、
    　前記ハウジングに固定されており、前記ウォームギアの出力側に前記ウォームギアを支持している軸受けと、
    　前記ハウジングに固定されており、前記ウォームギアの出力側とは反対側に前記ウォームギアに当接する蓋部材と、を含む、ギアボックス。     A gearbox arranged in a gearmotor comprising a drive motor having a shaft and a worm fixed to the output end of said shaft,
    A housing having a housing space therein;
    A worm gear housed inside the housing and meshing with the worm;
    A bearing fixed to the housing and supporting the worm gear on the output side of the worm gear;
    And a lid member fixed to the housing and in contact with the worm gear on the side opposite to the output side of the worm gear.
PCT/JP2018/043810 2017-11-30 2018-11-28 Gearbox, gear motor, and electrical product comprising said gear motor WO2019107425A1 (en)

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CN201711238353.5 2017-11-30
CN201711238353.5A CN109861450B (en) 2017-11-30 2017-11-30 Gear box, gear motor and electric product comprising gear motor

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PCT/JP2018/043810 WO2019107425A1 (en) 2017-11-30 2018-11-28 Gearbox, gear motor, and electrical product comprising said gear motor

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CN (1) CN109861450B (en)
DE (1) DE112018006126T5 (en)
WO (1) WO2019107425A1 (en)

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JPH0678650U (en) * 1993-04-13 1994-11-04 株式会社三ツ葉電機製作所 Motor with worm reducer
JP2001028863A (en) * 1999-07-13 2001-01-30 Asmo Co Ltd Motor
JP2003274603A (en) * 2002-03-18 2003-09-26 Mitsuba Corp Electric actuator
JP2012062981A (en) * 2010-09-17 2012-03-29 Mitsuba Corp Motor device and method for manufacturing the same
JP2016046990A (en) * 2014-08-26 2016-04-04 株式会社ミツバ Motor device

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JP3987975B2 (en) * 2002-12-10 2007-10-10 自動車電機工業株式会社 Motor and power window motor
JP5889534B2 (en) * 2011-02-01 2016-03-22 日本電産テクノモータ株式会社 Brushless DC motor
FR3018860B1 (en) * 2014-03-21 2021-10-15 Hispano Suiza Sa ACCESSORY RELAYS FOR GAS TURBINE ENGINES
CN104913024B (en) * 2015-05-31 2017-09-22 简式国际汽车设计（北京）有限公司 Gear supporting construction, wheel motor drive system and wheel motor drive axle

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0678650U (en) * 1993-04-13 1994-11-04 株式会社三ツ葉電機製作所 Motor with worm reducer
JP2001028863A (en) * 1999-07-13 2001-01-30 Asmo Co Ltd Motor
JP2003274603A (en) * 2002-03-18 2003-09-26 Mitsuba Corp Electric actuator
JP2012062981A (en) * 2010-09-17 2012-03-29 Mitsuba Corp Motor device and method for manufacturing the same
JP2016046990A (en) * 2014-08-26 2016-04-04 株式会社ミツバ Motor device

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CN109861450A (en) 2019-06-07
CN109861450B (en) 2021-08-27
DE112018006126T5 (en) 2020-08-13

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