CN210404900U - End cover combination suitable for axial and circumferential movement and motor with same - Google Patents
End cover combination suitable for axial and circumferential movement and motor with same Download PDFInfo
- Publication number
- CN210404900U CN210404900U CN201921210569.5U CN201921210569U CN210404900U CN 210404900 U CN210404900 U CN 210404900U CN 201921210569 U CN201921210569 U CN 201921210569U CN 210404900 U CN210404900 U CN 210404900U
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- Prior art keywords
- elastic
- axial
- arc
- circumferential movement
- connecting portion
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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
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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
- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model discloses a be suitable for axial and circumferential motion's end cover combination and have motor of this kind of end cover, including elastic component and rotating member, the rotating member is installed on the elastic component, wherein the axial reciprocating motion of the adaptable rotor of elastic component, the circumferential reciprocating motion of the adaptable rotor of rotating member, the utility model discloses a compound end cover that elastic component and rotating member are constituteed is used for supporting the pivot, and this kind of end cover structure can adapt to the axial and the circumferential motion of pivot better, reduces the frictional force of pivot and end cover, promotes braking effect.
Description
Technical Field
The utility model relates to the technical field of electric machines, concretely relates to be suitable for axial and circumferential motion's end cover combination and have motor of this kind of end cover.
Background
At present, reciprocating motion motors/devices are mainly divided into two types of reciprocating motion in the circumferential direction and reciprocating motion in the axial direction, and can be applied to beauty care products and personal care products. In order to enrich the user experience, it is desirable to have an actuator that has both axial and circumferential reciprocating motion. Due to the two modes of movement, the connection of the stator and the mover of such an actuator requires a combination of end caps adapted to both of these movements. Usually, a cylindrical bearing similar to a shaft sleeve is selected to connect the stator and the rotor, the outer diameter of the bearing is fixed with the stator, and the inner diameter of the bearing is adjusted and sleeved outside the rotor rotating shaft. However, this construction has the disadvantage that when radial pressure is exerted on the mover, a large friction force is generated, which affects the actuation effect.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides an end cover combination and have motor of this kind of end cover that is suitable for axial and circumferential motion.
One of the purposes of the utility model is realized as follows:
the technical scheme is as follows: an end cover combination suitable for axial and circumferential movement is characterized in that: the rotor comprises an elastic part and a rotating part, wherein the rotating part is arranged on the elastic part, the elastic part can adapt to the axial reciprocating motion of the rotor, and the rotating part can adapt to the circumferential reciprocating motion of the rotor. Adopt above-mentioned technical scheme, regard this structure as the end cover of casing tip, be used for supporting the pivot, when the pivot is made axial and circumference reciprocating motion, thereby the elastic component can produce elastic deformation and adapt to the pivot motion change of pivot, the rotating component can be rotatory and thus the circumference motion change of adaptation pivot according to the rotation of pivot, when the pivot is made axial and circumference reciprocating motion like this, this end cover combination can bear certain axial force, can bear certain radial force again, and effectively reduced the frictional force between pivot and the end cover accepting, the rotation of pivot is more smooth and easy, be favorable to promoting the output performance of whole motor.
Preferably, the method comprises the following steps:
the rotating part is mounted on the elastic part through the bushing. By adopting the structure, the rotating piece is indirectly fixed through the bushing, so that the structure is more convenient.
The elastic part is provided with a mounting hole, the rotating part is a rolling bearing, and the outer ring of the rolling bearing is inserted in the mounting hole. By adopting the structure, the rotating shaft is arranged in the inner ring of the rolling bearing when in use, and the rotating shaft can drive the rolling bearing to rotate and the elastic piece to generate elastic deformation when doing axial and circumferential motion.
The elastic piece is an elastic piece which comprises a circular fixing part, a circular connecting part is arranged on the inner side of the fixing part, the round hole of the connecting part forms the mounting hole, N elastic crank arms are connected between the connecting part and the fixing part, and N is a natural number. By adopting the structure, when the rotating shaft moves, the elastic crank arm can deform so as to adapt to the movement of the rotating shaft.
The elastic crank arm comprises two arc-shaped elastic support arms arranged along the radial direction of the connecting portion, the circle center of each elastic support arm is coincided with the circle center of the connecting portion, the elastic support arms close to the outer side are fixedly connected with the fixing portion, the elastic support arms close to the inner side are fixedly connected with the connecting portion, and the elastic support arms are connected with the connecting portion in a smooth mode through arc-shaped turning arms. By adopting the structure, the elastic arm is longer, the deformation amount of the elastic part is relatively smaller when the rotating shaft does reciprocating motion, and the durability of the elastic part is better; and the structure is convenient for batch production by using a stamping die, and the produced product has higher consistency.
The rotating part is a rolling bearing, and an inner ring of the rolling bearing is sleeved on the elastic part. By adopting the structure, the elastic part is positioned at the inner side of the rotating part, and the elastic part and the rotating part can be well adapted to the axial line and the circumferential movement of the rotating shaft after being combined.
The elastic piece is an elastic piece and comprises an annular fixing portion, an annular connecting portion is arranged on the inner side of the fixing portion, an inner ring of the rolling bearing is sleeved on the fixing portion, a closed elastic ring is arranged between the connecting portion and the fixing portion and connected with the connecting portion through an inner support arm, the elastic ring is connected with the fixing portion through an outer support arm, and the inner support arm and the outer support arm are distributed in a crossed mode. By adopting the structure, the axial motion of the rotating shaft can be adapted through the deformation of the inner supporting arm and the outer supporting arm.
The elastic ring comprises a first arc-shaped part, a second arc-shaped part and a connecting part, wherein the first arc-shaped part is located between the adjacent outer support arms, the circle center of the first arc-shaped part is coincided with the circle center of the connecting part, the first arc-shaped part is connected with the second arc-shaped part in a smooth mode, the circle center of the second arc-shaped part is located on the outer side of the circle where the first arc-shaped part is located, the inner support arm is connected with the first arc-shaped part, and the outer support arm is connected with the second arc-shaped part. By adopting the structure, the length of the inner and outer support arms can be increased to the maximum extent, thereby reducing the elastic deformation of the support arms and improving the durability of the support arms.
The elastic member is a spring.
The second purpose of the utility model is realized like this:
the utility model provides a motor, includes cylindric casing, is equipped with stator and rotor in this casing, and wherein the rotor includes the pivot, the pivot can be relative the stator makes axial and circumference reciprocating motion, and its key lies in: the rotating shaft is sleeved with one of the purposes of the utility model, the end cover combination suitable for axial and circumferential motion is provided, and the end cover combination is connected with the casing. By adopting the technical scheme, the support of the rotating shaft is changed into the composite end cover consisting of the elastic part and the rotating part by the traditional hard sheet-shaped end cover, the end cover structure can better adapt to the axial and circumferential motion of the rotating shaft, the friction force between the rotating shaft and the end cover is reduced, and the braking effect is improved.
Compared with the prior art, the beneficial effects of the utility model are that: the composite end cover composed of the elastic part and the rotating part is used for supporting the rotating shaft, the end cover structure can better adapt to the axial and circumferential motion of the rotating shaft, the friction force between the rotating shaft and the end cover is reduced, and the braking effect is improved.
Drawings
FIG. 1 is a schematic structural view of example 1;
FIG. 2 is a cross-sectional view A-A' of FIG. 1;
FIG. 3 is an exploded view of example 1;
FIG. 4 is a schematic structural view of embodiment 2;
FIG. 5 is a cross-sectional view B-B' of FIG. 4;
FIG. 6 is an exploded view of example 2;
FIG. 7 is a schematic structural view of embodiment 3.
Detailed Description
The present invention will be further described with reference to the following examples and accompanying drawings.
Embodiment 1, as shown in fig. 1-3, an end cover assembly adapted for axial and circumferential movement comprises an elastic member 1 and a rotating member 2, wherein the rotating member 2 is mounted on the elastic member 1, wherein the elastic member 1 can adapt to the axial reciprocating movement of a rotor, and the rotating member 2 can adapt to the circumferential reciprocating movement of the rotor.
The elastic piece 1 is an elastic piece, the elastic piece comprises a circular fixing portion 101, a circular connecting portion 102 is arranged on the inner side of the fixing portion 101, a mounting hole 103 is formed in the circular hole of the connecting portion 102, a bushing 3 is fixedly inserted in the mounting hole 103, the rotating piece 2 is a rolling bearing, the outer ring of the rolling bearing is fixedly mounted in the bushing 3, N elastic crank arms are connected between the connecting portion 102 and the fixing portion 101, N is a natural number, N is three, and the three elastic crank arms are uniformly distributed.
The elastic crank arm comprises two arc-shaped elastic support arms 105 arranged along the radial direction of the connecting part 102, the circle center of each elastic support arm 105 is overlapped with that of the connecting part 102, the elastic support arm 105 close to the outer side is fixedly connected with the fixing part 101, the elastic support arm 105 close to the inner side is fixedly connected with the connecting part 102, and the two elastic support arms 105 are smoothly connected through an arc-shaped turning arm 106.
Embodiment 2, as shown in fig. 4-6, an end cap combination suitable for axial and circumferential movement, which differs from embodiment 1 in that: the elastic part 1 is externally sleeved with a bush 3, and the inner ring of the rolling bearing is sleeved on the bush 3.
The elastic piece 1 is an elastic piece which comprises a circular fixing portion 101, a circular connecting portion 102 is arranged on the inner side of the fixing portion 101, the bushing 3 is sleeved on the fixing portion 101, a closed elastic ring is arranged between the connecting portion 102 and the fixing portion 101 and connected with the connecting portion 102 through an inner support arm 109, the elastic ring is connected with the fixing portion 101 through an outer support arm 110, and the inner support arm 109 and the outer support arm 110 are distributed in a crossed mode.
The elastic ring comprises first arc-shaped parts 107 located between adjacent outer support arms 110, the circle centers of the first arc-shaped parts 107 are overlapped with the circle centers of the connecting parts 102, the adjacent first arc-shaped parts 107 are connected smoothly through second arc-shaped parts 108, the circle centers of the second arc-shaped parts 108 are located on the outer sides of the circles where the first arc-shaped parts 107 are located, the inner support arms 109 are connected with the first arc-shaped parts 107, and the outer support arms 110 are connected with the second arc-shaped parts 108.
In addition, the elastic member 1 may be a spring, and the elastic member 1 may be in the shape of a circle, a square, a triangle, or the like, without limitation.
Embodiment 3, as shown in fig. 7, a motor includes a cylindrical housing 4, a stator and a rotor are disposed in the housing 4, the rotor includes a rotating shaft 5, the rotating shaft 5 can reciprocate axially and circumferentially relative to the stator, an end cap assembly suitable for axial and circumferential movement of embodiment 1 is sleeved on the rotating shaft 5, and the end cap assembly is connected to the housing 4.
In this embodiment, one end of the housing 4 is sealed by a sealing cover, one end of the rotating shaft 5 is supported on the sealing cover by a bearing, the other end of the rotating shaft is sleeved with the end cover assembly, the fixing portion 101 is fixedly connected with the housing 4, and the rotating shaft 5 is inserted into the inner ring of the rolling bearing.
In this embodiment, the end cover assemblies are respectively sleeved at two ends of the bearing 5, the rotating shaft 5 is inserted into the connecting portion 102, and an outer ring of the rolling bearing is fixedly connected with the housing 4.
Finally, it should be noted that the above description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and the scope of the present invention.
Claims (10)
1. An end cap assembly adapted for axial and circumferential movement, comprising: the rotor comprises an elastic part (1) and a rotating part (2), wherein the rotating part (2) is installed on the elastic part (1), the elastic part (1) can adapt to the axial reciprocating motion of a rotor, and the rotating part (2) can adapt to the circumferential reciprocating motion of the rotor.
2. An end cap combination adapted for axial and circumferential movement according to claim 1, wherein: the rotating part (2) is arranged on the elastic part (1) through the bushing (3).
3. An end cap combination adapted for axial and circumferential movement according to claim 1 or 2, wherein: the elastic part (1) is provided with a mounting hole (103), the rotating part (2) is a rolling bearing, and the outer ring of the rolling bearing is inserted in the mounting hole (103).
4. An end cap combination adapted for axial and circumferential movement according to claim 3, wherein: elastic component (1) is the shell fragment, and this shell fragment includes annular fixed part (101), fixed part (101) inboard is equipped with annular connecting portion (102), and the round hole of this connecting portion (102) forms promptly mounting hole (103), connecting portion (102) with be connected with N elasticity between fixed part (101) and curve the arm, N is the natural number.
5. An end cap combination adapted for axial and circumferential movement according to claim 4, wherein: the elastic crank arm comprises two arc-shaped elastic support arms (105) which are arranged along the radial direction of the connecting portion (102), the circle center of each elastic support arm (105) is overlapped with the circle center of the connecting portion (102), the elastic support arms (105) close to the outer side are fixedly connected with the fixing portion (101), the elastic support arms (105) close to the inner side are fixedly connected with the connecting portion (102), and the elastic support arms (105) are connected with each other smoothly through arc-shaped turning arms (106).
6. An end cap combination adapted for axial and circumferential movement according to claim 1 or 2, wherein: the rotating part (2) is a rolling bearing, and an inner ring of the rolling bearing is sleeved on the elastic part (1).
7. An end cap combination adapted for axial and circumferential movement according to claim 6, wherein: elastic component (1) is the shell fragment, and this shell fragment includes annular fixed part (101) of circle, fixed part (101) inboard is equipped with annular connecting portion (102) of circle, antifriction bearing's inner circle cover is established on fixed part (101), connecting portion (102) with be equipped with confined elastic ring between fixed part (101), this elastic ring through interior support arm (109) with connecting portion (102) are connected, elastic ring through outer support arm (110) with fixed part (101) are connected, interior support arm (109) and outer support arm (110) cross distribution.
8. An end cap combination adapted for axial and circumferential movement according to claim 7, wherein: the elastic ring comprises first arc-shaped parts (107) which are located between the adjacent outer support arms (110), the circle center of the first arc-shaped parts (107) is coincided with the circle center of the connecting part (102) and is adjacent to the circle center of the first arc-shaped parts (107) and is smoothly connected with the first arc-shaped parts (107) through second arc-shaped parts (108), the circle center of the second arc-shaped parts (108) is located on the outer side of the circle where the first arc-shaped parts (107) are located, the inner support arms (109) are connected with the first arc-shaped parts (107), and the outer support arms (110) are connected with the second arc-shaped parts (108).
9. An end cap combination adapted for axial and circumferential movement according to claim 1 or 2, wherein: the elastic piece (1) is a spring.
10. An electric machine, including cylindric casing (4), be equipped with stator and rotor in this casing (4), wherein the rotor includes pivot (5), pivot (5) can be relatively the stator makes axial and circumference reciprocating motion, its characterized in that: the rotating shaft (5) is sleeved with the end cover assembly suitable for axial and circumferential movement in the claim 1 or 2, and the end cover assembly is connected with the machine shell (4).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921210569.5U CN210404900U (en) | 2019-07-29 | 2019-07-29 | End cover combination suitable for axial and circumferential movement and motor with same |
| PCT/CN2020/079417 WO2021017480A1 (en) | 2019-07-29 | 2020-03-15 | End cover combination suitable for axial and circumferential motions and motor having same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921210569.5U CN210404900U (en) | 2019-07-29 | 2019-07-29 | End cover combination suitable for axial and circumferential movement and motor with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210404900U true CN210404900U (en) | 2020-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921210569.5U Active CN210404900U (en) | 2019-07-29 | 2019-07-29 | End cover combination suitable for axial and circumferential movement and motor with same |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN210404900U (en) |
| WO (1) | WO2021017480A1 (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4610964B2 (en) * | 2004-08-05 | 2011-01-12 | 日本電産サンキョー株式会社 | Small motor |
| JP2007047613A (en) * | 2005-08-11 | 2007-02-22 | Ricoh Co Ltd | Rotary body driver and image forming device |
| KR20130074555A (en) * | 2011-12-26 | 2013-07-04 | 삼성전기주식회사 | Spindle motor |
| CN206908430U (en) * | 2017-04-20 | 2018-01-19 | 黄河科技学院 | Anti- axial impact motor |
| CN109921536A (en) * | 2017-12-12 | 2019-06-21 | 扬州洁晨机电科技有限公司 | A kind of motor for washer end cap with backing structure |
| CN208707482U (en) * | 2018-08-27 | 2019-04-05 | 四川省隆昌市劲抖微电机有限责任公司 | A kind of micro machine end cap |
-
2019
- 2019-07-29 CN CN201921210569.5U patent/CN210404900U/en active Active
-
2020
- 2020-03-15 WO PCT/CN2020/079417 patent/WO2021017480A1/en active Application Filing
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| Publication number | Publication date |
|---|---|
| WO2021017480A1 (en) | 2021-02-04 |
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