WO2021017480A1 - 一种适合于轴向及周向运动的端盖组合及带有这种端盖的电机 - Google Patents
一种适合于轴向及周向运动的端盖组合及带有这种端盖的电机 Download PDFInfo
- Publication number
- WO2021017480A1 WO2021017480A1 PCT/CN2020/079417 CN2020079417W WO2021017480A1 WO 2021017480 A1 WO2021017480 A1 WO 2021017480A1 CN 2020079417 W CN2020079417 W CN 2020079417W WO 2021017480 A1 WO2021017480 A1 WO 2021017480A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- elastic
- axial
- end cover
- arm
- arc
- Prior art date
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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
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
- H02K5/173—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
Definitions
- the utility model relates to the technical field of motors, in particular to an end cover assembly suitable for axial and circumferential movement and a motor with the end cover.
- the reciprocating motion motors/devices are mainly divided into two types: circular reciprocating motion and axial reciprocating motion, which can be applied to beauty, health, and personal care products.
- an actuator with both axial and circumferential reciprocating actions is required. Since there are two ways of movement, the stator and mover of this actuator need to have an end cover combination suitable for these two actions.
- a cylindrical bearing similar to a shaft sleeve is used to connect the stator and the mover.
- the outer diameter of the bearing is fixed with the stator, and the inner diameter of the bearing is adjusted and sleeved outside the mover shaft.
- this structure has a shortcoming, when a radial pressure is applied to the mover, a relatively large friction force will be generated, which will affect the actuation effect.
- the present invention provides an end cover assembly suitable for axial and circumferential movement and a motor with the end cover.
- an end cover assembly suitable for axial and circumferential movement the key is that it includes an elastic piece and a rotating piece, the rotating piece is installed on the elastic piece, wherein the elastic piece can adapt to the rotor Axial reciprocating movement, the rotating member can adapt to the circumferential reciprocating movement of the rotor.
- this structure is used as an end cover at the end of the casing to support the rotating shaft.
- this end cover combination can bear a certain axial force and a certain radial force , And effectively reduce the friction between the rotating shaft and the end cover bearing, the rotating shaft rotates more smoothly, which is beneficial to improve the output performance of the entire motor.
- It also includes a bushing, and the rotating part is mounted on the elastic part through the bushing. With this structure, it is more convenient to indirectly fix the rotating part through the bushing.
- the elastic member has a mounting hole, the rotating member is a rolling bearing, and the outer ring of the rolling bearing is inserted into the mounting hole.
- the rotating shaft is installed in the inner ring of the rolling bearing during use. When the rotating shaft moves in the axial and circumferential directions, it will drive the rolling bearing to rotate and the elastic member will produce elastic deformation.
- the above-mentioned elastic piece is an elastic piece
- the elastic piece includes an annular fixing portion, an annular connecting portion is arranged on the inner side of the fixing portion, and the round hole of the connecting portion forms the mounting hole, the connecting portion and the N elastic curved arms are connected between the fixed parts, and N is a natural number.
- the above-mentioned elastic curved arm includes two circular arc-shaped elastic arms arranged along the radial direction of the connecting part, the center of the elastic arm coincides with the center of the connecting part, and the elastic arm on the outside It is fixedly connected with the fixing part, the elastic arm on the inner side is fixedly connected with the connecting part, and the two elastic arms are smoothly connected by an arc-shaped turning arm.
- the elastic arm is longer, the deformation of the elastic part is relatively small when the rotating shaft is reciprocating, and the durability of the elastic part is better; and this structure is convenient for mass production using stamping dies, and the produced products are more consistent .
- the above-mentioned rotating member is a rolling bearing, and the inner ring of the rolling bearing is sleeved on the elastic member.
- the elastic part is located inside the rotating part, and the combination of the two can well adapt to the axis and circumferential movement of the rotating shaft.
- the above-mentioned elastic piece is an elastic piece, the elastic piece includes an annular fixed portion, an annular connecting portion is arranged inside the fixed portion, the inner ring of the rolling bearing is sleeved on the fixed portion, and the connecting portion and the A closed elastic ring is provided between the fixing parts, the elastic ring is connected to the connecting part through an inner arm, and the elastic ring is connected to the fixing part through an outer arm.
- the inner arm and the outer arm Cross distribution.
- the elastic ring includes a first arc-shaped portion located between adjacent outer arms, the center of the first arc-shaped portion coincides with the center of the connecting portion, and the adjacent first arc-shaped portions pass
- the second arc-shaped part is smoothly connected, the center of the second arc-shaped part is located outside the circle where the first arc-shaped part is located, the inner arm is connected with the first arc-shaped part, and the outer arm Connected with the second arc-shaped part.
- the above-mentioned elastic member is a spring.
- a motor includes a cylindrical casing.
- the casing is provided with a stator and a rotor.
- the rotor includes a rotating shaft that can reciprocate axially and circumferentially relative to the stator.
- the key is:
- An end cover assembly suitable for axial and circumferential movement according to claim 1 or 2 is sleeved on the rotating shaft, and the end cover assembly is connected with the casing.
- the utility model has the beneficial effects: the composite end cover composed of elastic parts and rotating parts is used to support the rotating shaft.
- This end cover structure can better adapt to the axial and circumferential movement of the rotating shaft and reduce The friction between the rotating shaft and the end cover improves the braking effect.
- Figure 1 is a schematic structural diagram of Embodiment 1;
- Figure 2 is a cross-sectional view of A-A' in Figure 1;
- Figure 3 is an exploded view of embodiment 1;
- Embodiment 4 is a schematic diagram of the structure of Embodiment 2.
- Figure 5 is a B-B' sectional view of Figure 4.
- Figure 6 is an exploded view of Embodiment 2;
- Embodiment 7 is a schematic diagram of the structure of Embodiment 3.
- an end cover assembly suitable for axial and circumferential movement includes an elastic member 1 and a rotating member 2, and the rotating member 2 is mounted on the elastic member 1, and
- the elastic member 1 can adapt to the axial reciprocating movement of the rotor, and the rotating member 2 can adapt to the circumferential reciprocating movement of the rotor.
- the elastic member 1 is an elastic piece, and the elastic piece includes an annular fixing portion 101, an annular connecting portion 102 is provided inside the fixing portion 101, and a circular hole of the connecting portion 102 forms a mounting hole 103.
- the mounting hole 103 is fixedly inserted with a bushing 3
- the rotating member 2 is a rolling bearing
- the outer ring of the rolling bearing is fixedly installed in the bushing 3
- N is connected between the connecting portion 102 and the fixed portion 101 N is a natural number.
- N is three, and the three elastic arms are evenly distributed.
- the elastic curved arm includes two circular arc-shaped elastic arms 105 arranged along the radial direction of the connecting portion 102.
- the center of the elastic support arm 105 coincides with the center of the connecting portion 102, and the outer side
- the elastic support arm 105 is fixedly connected to the fixed portion 101, the inner elastic support arm 105 is fixedly connected to the connecting portion 102, and the two elastic support arms 105 are smoothly connected by an arc-shaped turning arm 106 .
- Embodiment 2 is an end cap assembly suitable for axial and circumferential movement.
- the difference between this embodiment and Embodiment 1 is that the elastic member 1 is sheathed with a bushing 3.
- the inner ring of the rolling bearing is hooped on the bush 3.
- the elastic member 1 is an elastic piece, and the elastic piece includes an annular fixing portion 101, an annular connecting portion 102 is provided on the inner side of the fixing portion 101, and the bushing 3 is sleeved on the fixing portion 101, A closed elastic ring is provided between the connecting portion 102 and the fixing portion 101.
- the elastic ring is connected to the connecting portion 102 through an inner arm 109, and the elastic ring is connected to the fixing portion through an outer arm 110. 101 is connected, and the inner arm 109 and the outer arm 110 are distributed across.
- the elastic ring includes a first arc-shaped portion 107 located between adjacent outer arms 110.
- the center of the first arc-shaped portion 107 coincides with the center of the connecting portion 102, and is adjacent to the first arc
- the arc-shaped portions 107 are smoothly connected by a second arc-shaped portion 108, the center of the second arc-shaped portion 108 is located outside the circle where the first arc-shaped portion 107 is located, and the inner arm 109 is connected to the first
- the arc-shaped portion 107 is connected, and the outer arm 110 is connected with the second arc-shaped portion 108.
- the elastic member 1 may also be a spring, and the elastic member 1 may have a shape such as a circle, a square, a triangle, etc., which is not limited.
- a motor includes a cylindrical casing 4, and the casing 4 is provided with a stator and a rotor, wherein the rotor includes a rotating shaft 5 that can operate relative to the stator Axial and circumferential reciprocating movement, the rotating shaft 5 is sleeved with the end cover assembly suitable for axial and circumferential movement described in Embodiment 1, and the end cover assembly is connected to the casing 4.
- one end of the casing 4 is closed by a cover, one end of the rotating shaft 5 is supported on the cover by a bearing, and the other end is sleeved with the end cover assembly, and the fixing part 101 is
- the casing 4 is fixedly connected, and the rotating shaft 5 is inserted in the inner ring of the rolling bearing.
- Embodiment 4 is a motor.
- the rotating shaft 5 is fitted with the end cover assembly suitable for axial and circumferential movement described in embodiment 2, and the end The cover assembly is connected to the casing 4.
- both ends of the bearing 5 are respectively sleeved with the end cover assembly, the rotating shaft 5 is inserted in the connecting portion 102, and the outer ring of the rolling bearing is fixedly connected to the casing 4.
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
Description
Claims (10)
- 一种适合于轴向及周向运动的端盖组合,其特征在于:包括弹性件(1)和旋转件(2),所述旋转件(2)安装在所述弹性件(1)上,其中弹性件(1)可适应转子的轴向往复运动,所述旋转件(2)可适应转子的周向往复运动。
- 根据权利要求1所述的一种适合于轴向及周向运动的端盖组合,其特征在于:还包括衬套(3),所述旋转件(2)通过所述衬套(3)安装在所述弹性件(1)上。
- 根据权利要求1或2所述的一种适合于轴向及周向运动的端盖组合,其特征在于:所述弹性件(1)上具有安装孔(103),所述旋转件(2)为滚动轴承,该滚动轴承的外圈插装在所述安装孔(103)内。
- 根据权利要求3所述的一种适合于轴向及周向运动的端盖组合,其特征在于:所述弹性件(1)为弹片,该弹片包括圆环形的固定部(101),所述固定部(101)内侧设有圆环形的连接部(102),该连接部(102)的圆孔即形成所述安装孔(103),所述连接部(102)和所述固定部(101)之间连接有N个弹性曲臂,N为自然数。
- 根据权利要求4所述的一种适合于轴向及周向运动的端盖组合,其特征在于:所述弹性曲臂包括两个沿所述连接部(102)的径向设置的圆弧形的弹性支臂(105),所述弹性支臂(105)的圆心与所述连接部(102)的圆心重合,其中靠外侧的所述弹性支臂(105)与所述固定部(101)固定连接,靠内侧的所述弹性支臂(105)与连接部(102)固定连接,两个所述弹性支臂(105)之间通过弧形的转弯臂(106)平滑连接。
- 根据权利要求1或2所述的一种适合于轴向及周向运动的端盖组合,其特征在于:所述旋转件(2)为滚动轴承,该滚动轴承的内圈套设在所述弹性件(1)上。
- 根据权利要求6所述的一种适合于轴向及周向运动的端盖组合,其特 征在于:所述弹性件(1)为弹片,该弹片包括圆环形的固定部(101),所述固定部(101)内侧设有圆环形的连接部(102),所述滚动轴承的内圈套设在所述固定部(101)上,所述连接部(102)和所述固定部(101)之间设有封闭的弹性圈,该弹性圈通过内支臂(109)与所述连接部(102)连接,所述弹性圈通过外支臂(110)与所述固定部(101)连接,所述内支臂(109)和外支臂(110)交叉分布。
- 根据权利要求7所述的一种适合于轴向及周向运动的端盖组合,其特征在于:所述弹性圈包括位于相邻所述外支臂(110)之间的第一弧形部(107),该第一弧形部(107)的圆心与所述连接部(102)的圆心重合,相邻所述第一弧形部(107)之间通过第二弧形部(108)平滑连接,所述第二弧形部(108)的圆心位于所述第一弧形部(107)所在圆的外侧,所述内支臂(109)与所述第一弧形部(107)连接,所述外支臂(110)与所述第二弧形部(108)连接。
- 根据权利要求1或2所述的一种适合于轴向及周向运动的端盖组合,其特征在于:所述弹性件(1)为弹簧。
- 一种电机,包括圆筒状的机壳(4),该机壳(4)内设有定子和转子,其中转子包括转轴(5),所述转轴(5)可相对所述定子作轴向和周向往复运动,其特征在于:所述转轴(5)上套装有权利要求1或2所述的适合于轴向及周向运动的端盖组合,所述端盖组合与所述机壳(4)连接。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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CN201921210569.5 | 2019-07-29 | ||
CN201921210569.5U CN210404900U (zh) | 2019-07-29 | 2019-07-29 | 一种适合于轴向及周向运动的端盖组合及带有这种端盖的电机 |
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WO2021017480A1 true WO2021017480A1 (zh) | 2021-02-04 |
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PCT/CN2020/079417 WO2021017480A1 (zh) | 2019-07-29 | 2020-03-15 | 一种适合于轴向及周向运动的端盖组合及带有这种端盖的电机 |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1738169A (zh) * | 2004-08-05 | 2006-02-22 | 株式会社三协精机制作所 | 小型电机 |
JP2007047613A (ja) * | 2005-08-11 | 2007-02-22 | Ricoh Co Ltd | 回転体駆動装置、及び画像形成装置 |
US20130162077A1 (en) * | 2011-12-26 | 2013-06-27 | Samsung Electro-Mechanics Co., Ltd. | Spindle motor |
CN206908430U (zh) * | 2017-04-20 | 2018-01-19 | 黄河科技学院 | 抗轴向冲击电机 |
CN208707482U (zh) * | 2018-08-27 | 2019-04-05 | 四川省隆昌市劲抖微电机有限责任公司 | 一种微电机端盖 |
CN109921536A (zh) * | 2017-12-12 | 2019-06-21 | 扬州洁晨机电科技有限公司 | 一种具有垫板结构的洗衣机电机端盖 |
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2019
- 2019-07-29 CN CN201921210569.5U patent/CN210404900U/zh active Active
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2020
- 2020-03-15 WO PCT/CN2020/079417 patent/WO2021017480A1/zh active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1738169A (zh) * | 2004-08-05 | 2006-02-22 | 株式会社三协精机制作所 | 小型电机 |
JP2007047613A (ja) * | 2005-08-11 | 2007-02-22 | Ricoh Co Ltd | 回転体駆動装置、及び画像形成装置 |
US20130162077A1 (en) * | 2011-12-26 | 2013-06-27 | Samsung Electro-Mechanics Co., Ltd. | Spindle motor |
CN206908430U (zh) * | 2017-04-20 | 2018-01-19 | 黄河科技学院 | 抗轴向冲击电机 |
CN109921536A (zh) * | 2017-12-12 | 2019-06-21 | 扬州洁晨机电科技有限公司 | 一种具有垫板结构的洗衣机电机端盖 |
CN208707482U (zh) * | 2018-08-27 | 2019-04-05 | 四川省隆昌市劲抖微电机有限责任公司 | 一种微电机端盖 |
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CN210404900U (zh) | 2020-04-24 |
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