WO2019200531A1 - 防止马达共振变音机构 - Google Patents

防止马达共振变音机构 Download PDF

Info

Publication number
WO2019200531A1
WO2019200531A1 PCT/CN2018/083367 CN2018083367W WO2019200531A1 WO 2019200531 A1 WO2019200531 A1 WO 2019200531A1 CN 2018083367 W CN2018083367 W CN 2018083367W WO 2019200531 A1 WO2019200531 A1 WO 2019200531A1
Authority
WO
WIPO (PCT)
Prior art keywords
motor
end plate
plate
rear end
mechanism according
Prior art date
Application number
PCT/CN2018/083367
Other languages
English (en)
French (fr)
Inventor
李平
孙霞
Original Assignee
深圳市兆威机电股份有限公司
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 深圳市兆威机电股份有限公司 filed Critical 深圳市兆威机电股份有限公司
Priority to PCT/CN2018/083367 priority Critical patent/WO2019200531A1/zh
Publication of WO2019200531A1 publication Critical patent/WO2019200531A1/zh

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations

Definitions

  • the invention belongs to the technical field of a motor anti-vibration mechanism, and particularly relates to a mechanism for preventing a motor resonance sound change.
  • the motor is generally composed of a stator, a rotor and the like, and the rotor rotates during operation.
  • the frequency of rotor rotation is stable.
  • the motor generates some noise due to wear and vibration of brushes, bearings and other parts.
  • the rotor rotates around its own axis, with better static balance and dynamic balance.
  • the noise emitted by the motor is also relatively stable.
  • An object of the embodiments of the present invention is to provide a motor resonance sound-reducing mechanism, which aims to solve the technical problem that the motor in the prior art may cause a change of sound or a large noise due to resonance during operation.
  • the technical solution adopted by the embodiment of the present invention is to provide a motor resonance sound-changing mechanism, including a lower casing and an upper casing fixedly connected to the lower casing, the upper casing and the upper casing
  • the lower case is integrally enclosed and formed with a cavity for accommodating the motor, and the front end of the lower case is provided with an elastic sheet, and the elastic sheet is provided with an arc groove for positioning a motor shaft of the motor, the arc shape
  • the groove face of the groove is for contacting the motor shaft.
  • the elastic sheet extends away from the cavity and is disposed obliquely toward the motor shaft.
  • the lower case comprises a lower bottom plate, a lower front end plate and a lower rear end plate, wherein the lower front end plate is vertically connected to the front end of the lower bottom plate, and the lower rear end plate is vertically connected to a rear end of the lower bottom plate;
  • the upper case includes an upper top plate, an upper front end plate and an upper rear end plate, wherein the upper front end plate is vertically connected to a front end of the upper top plate, and the upper rear end plate is vertically connected to the upper end plate The rear end of the top plate;
  • the lower bottom plate, the lower front end plate, the lower rear end plate, the upper top plate, the upper front end plate and the upper rear end plate are collectively enclosed to form the cavity, and the elastic sheet is disposed on The top of the lower front end plate.
  • the top of the lower front end plate is provided with a limiting platform, and the limiting platform is provided with a U-shaped groove for positioning the shaft round table of the front end of the motor, and the groove surface of the U-shaped groove is used for the The shaft is in contact with the circular table, and the elastic sheet is disposed at an outer portion of the U-shaped groove.
  • the outer side portion of the limiting table is provided with a reinforcing rib for reinforcing the strength of the limiting table.
  • the bottom of the upper front end plate is provided with a positioning platform, and the bottom of the positioning table is provided with a positioning plane for abutting with the shaft circular table of the front end of the motor.
  • the lower floor is provided with a plurality of lower ribs for supporting the bottom contacting the motor.
  • the upper roof panel is provided with a plurality of upper ribs for supporting the top of the motor.
  • the top of the lower rear end plate is provided with a lower positioning curved surface for contact positioning with the rear end circular table of the rear end of the motor.
  • the bottom of the upper rear end plate is provided with an upper positioning curved surface for contacting the rear end circular table of the rear end of the motor.
  • the lower rear end plate is provided with a lower cutout for avoiding the lower electrode piece of the motor.
  • the upper rear end plate is provided with an upper avoidance groove for avoiding the upper electrode piece of the motor.
  • the bottom of the lower bottom plate is provided with a support plate.
  • the lower bottom plate, the lower front end plate and the lower rear end plate are integrally injection molded by a plastic material to form the lower case; the upper top plate, the upper front end plate and the upper rear end
  • the upper casing is formed by integrally injection molding a plastic material.
  • the outer side portion of the lower front end plate is extended with a lower mounting plate, and the lower mounting plate is provided with a through hole corresponding to the position of the elastic sheet; the outer side portion of the upper front end plate is extended with an upper mounting board.
  • the anti-motor resonance sound-changing mechanism in use, places the motor in a cavity formed by the upper shell and the lower shell, and the motor is clamped to the lower shell and the upper shell. Between, the motor shaft of the motor extends out of the cavity, so that the motor is restrained by the cavity, so that the stability of the motor after installation is more; since the front end of the lower case is provided with an elastic sheet, and the elastic sheet is opened for positioning An arcuate groove of the motor shaft such that the motor shaft extending out of the cavity is defined by the arcuate groove, and the elastic sheet causes the groove surface of the arc groove (ie, the inner wall surface of the arc groove) by its own elastic force Contact with the motor shaft to achieve precise positioning of the motor shaft, effectively avoiding the positional deviation of the motor shaft, thus making the motor shaft run more smoothly, avoiding obvious resonance phenomenon and eliminating large noise in the case of sudden change in speed. Appears, which can effectively avoid the phenomenon that the sound produced by the motor changes and the
  • FIG. 1 is a schematic structural view of a motor anti-symmetric sound-changing mechanism installed with a motor according to an embodiment of the present invention.
  • Figure 2 is an exploded view of the structure of Figure 1.
  • Figure 3 is an exploded view of the structure of Figure 1.
  • FIG. 4 is a schematic structural diagram of a motor resonance sounding prevention mechanism according to an embodiment of the present invention.
  • FIG. 5 is a schematic structural diagram of a lower case for preventing a motor resonance sounding mechanism according to an embodiment of the present invention.
  • FIG. 6 is a schematic structural diagram of an upper casing for preventing a motor resonance sounding mechanism according to an embodiment of the present invention.
  • first and second are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated.
  • features defining “first” and “second” may include one or more of the features either explicitly or implicitly.
  • the meaning of "a plurality” is two or more unless specifically and specifically defined otherwise.
  • the terms “installation”, “connected”, “connected”, “fixed” and the like shall be understood broadly, and may be either a fixed connection or a detachable connection, unless explicitly stated and defined otherwise. , or integrated; can be mechanical connection, or can be electrical connection; can be directly connected, or can be indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction of two elements.
  • installation can be understood on a case-by-case basis.
  • an embodiment of the present invention provides a motor resonance sounding prevention mechanism for fixing the motor 30 and preventing resonance sounding.
  • the motor resonance damper mechanism includes a lower case 10 and an upper case 20 fixedly coupled to the lower case 10, and the upper case 20 and the lower case 10 are enclosed together to form a cavity 100 for accommodating the motor 30.
  • the front end of the lower case 10 is provided with an elastic sheet 111, and the elastic sheet 111 is provided with an arcuate groove 1111 for positioning the motor shaft 33 of the motor 30, and the groove surface of the curved groove 1111 is used for The motor shaft 33 is in contact.
  • the motor resonance sound-changing mechanism is disposed.
  • the motor 30 is disposed in the cavity 100 formed by the upper casing 20 and the lower casing 10, and the motor 30 is clamped to the lower casing 10 and the upper casing.
  • the motor shaft 33 of the motor 30 extends out of the cavity 100, so that the motor 30 is restrained by the cavity 100, so that the stability of the motor 30 after installation is more; since the front end of the lower casing 10 is provided with an elastic sheet 111 And the elastic sheet 111 is provided with an arcuate groove 1111 for positioning the motor shaft 33, such that the motor shaft 33 extending out of the cavity 100 is defined by the arcuate groove 1111, and the elastic sheet 111 passes its own elasticity.
  • the force causes the groove surface of the arcuate groove 1111 (ie, the inner wall surface of the arcuate groove 1111) to contact the motor shaft 33, thereby achieving precise positioning of the motor shaft 33, effectively avoiding positional displacement of the motor shaft 33, thereby making the motor shaft 33
  • the operation is more stable, and in the case of a sudden change in the speed, the occurrence of a significant resonance phenomenon is avoided, and a large noise is prevented from occurring, so that the sound generated by the motor 30 can be effectively prevented from being changed and the sound is changed.
  • connection between the lower case 10 and the upper case 20 can be achieved by a pin and a pin hole formed in the lower case 10 and the upper case 20.
  • connection between the lower case 10 and the upper case 20 can be achieved by a pin and a pin hole formed in the lower case 10 and the upper case 20.
  • connection structure of the lower case 10 and the upper case 20 may be provided with a plug structure so that the fit between the lower case 10 and the upper case 20 is more tight, for example, a slot may be provided on the lower case 10, and the upper case 20 may be provided. The corresponding position is provided with the insertion post, and the connection between the lower case 10 and the upper case 20 is made closer by inserting and inserting into the slot through the insertion post.
  • the elastic sheet 111 extends away from the cavity 100 and is inclined toward the motor shaft 33. Specifically, the bottom end of the elastic sheet 111 is disposed closer to the cavity 100 with respect to the top end thereof, so that the inclined elastic sheet 111 can more easily exert its elastic force to form an upward elastic force, thereby passing the elasticity.
  • the force supports the motor shaft 33 of the motor 30 to achieve a positional definition of the motor shaft 33 such that the motor shaft 33 is in close contact with the hole in the motor 30 or the upper portion of the bearing bore, ensuring that the motor shaft 33 is wound around itself during rotation.
  • the axis rotates to avoid the offset, so that the limitation of the motor 30 by the upper casing 20 and the lower casing 10 can reduce the resonance of the motor 30 during operation, thereby preventing a large noise from occurring, thereby effectively avoiding the motor 30.
  • the sound produced changes and the sound changes.
  • the lower case 10 includes a lower bottom plate 13, a lower front end plate 11 and a lower rear end plate 12, and the lower front end plate 11 is vertically connected to the lower bottom plate.
  • the front end of the lower end plate 12 is vertically connected to the rear end of the lower bottom plate 13; the lower front end plate 11 and the lower rear end plate 12 are vertically connected to the front and rear ends of the lower bottom plate 13, respectively, so that
  • the shell 10 generally forms a U-shaped structure.
  • the upper casing 20 includes an upper top plate 23, an upper front end plate 21 and an upper rear end plate 22, and the upper front end plate 21 is vertically connected to the upper surface.
  • a front end of the top plate 23, the upper rear end plate 22 is vertically connected to the rear end of the upper top plate 23; the upper front end plate 21 and the upper rear end plate 22 are vertically connected to the front and rear ends of the upper top plate 23, respectively.
  • the upper case 20 is formed to substantially form a U-shaped structure that is inverted by 180°.
  • the lower bottom plate 13, the lower front end plate 11, the lower rear end plate 12, the upper top plate 23, the upper front end plate 21, and the upper rear end plate 22 The cavity 100 is formed by co-enclosure, and the elastic sheet 111 is provided on the top of the lower front end plate 11.
  • the opposite side portions of the cavity 100 are open structures, that is, the cavity 100 corresponds to the opposite side portions of the motor 30 as an open structure. This makes it possible to reduce the restriction surface of the motor 30 when the motor 30 is mounted, that is, to make the mounting of the motor 30 less difficult, to improve the convenience of mounting the motor 30, and to improve the mounting efficiency of the motor 30.
  • the front end of the motor 30 is provided with an output shaft table 31 through which the motor shaft 33 passes.
  • the top end of the lower front end plate 11 is provided with a limiting platform 112, and the limiting platform 112 is provided with a U-shaped slot 1121 for positioning the pivoting circular table 31 of the front end of the motor 30, the U-shaped
  • the groove surface of the groove 1121 is used for contact with the shaft-out round table 31, and the elastic sheet 111 is provided at an outer portion of the U-shaped groove 1121.
  • the shape of the U-shaped groove 1121 is adapted to the outer curved shape of the lower portion of the output shaft table 31 provided at the front end of the motor 30, so that the output shaft table 31 of the motor 30 installed in the cavity 100 can be supported on the limit table.
  • the U-shaped groove 1121 of the limiting table 112 supports and positions the output circular table 31, further strengthens the position limitation of the motor 30, effectively prevents the motor 30 from resonating, and has high practicability.
  • the elastic sheet 111 is disposed at the outer side portion of the U-shaped groove 1121 so as to correspond to the lower portion of the motor shaft 33 passing through the shaft round table 31, and the motor shaft 33 can be restrained by the arcuate groove 1111 provided in the elastic sheet 111. .
  • the outer side portion of the limiting table 112 is provided with a reinforcing rib 113 for reinforcing the strength of the limiting table 112.
  • the number of the reinforcing ribs 113 may be one or two, and the strength of the limiting table 112 may be strengthened by the arrangement of the reinforcing ribs 113, so that the limiting platform 112 can withstand the motor 30 when the motor 30 generates vibration during operation. Vibration force without damage.
  • the reinforcing rib 113 is integrally formed with the limiting stand 112.
  • the bottom of the upper front end plate 21 is provided with a positioning table 211, and the bottom of the positioning table 211 is provided with an output shaft round table 31 for the front end of the motor 30.
  • the positioning plane 2111 is connected. Specifically, the positioning plane 2111 formed at the bottom of the positioning table 211 abuts the top of the output shaft table 31, so that the combination limit block 112 collectively limits the output circle table 31 at the top and bottom in the vertical direction, and the limit is limited.
  • the U-shaped groove 1121 provided in the table 112 can also limit the output circular table 31 in the horizontal direction, so that the vertical axis and the horizontal direction can be used to limit the output circular table 31 of the motor 30, and further
  • the motor shaft 33 is prevented from shifting, and the motor 30 can be significantly attenuated due to the shift of the motor shaft 33.
  • the upper front end plate 21 and the positioning table 211 are a flat plate structure.
  • the lower bottom plate 13 is provided with a plurality of lower ribs 131 for supporting the bottom portion of the motor 30.
  • the provision of the lower rib 131 is for directly contacting the bottom of the motor 30, so that the area in which the motor 30 is in direct contact with the lower base plate 13 can be effectively reduced, so that the noise generated by the resonance of the motor 30 can be reduced.
  • the lower rib 131 may extend along the longitudinal direction of the lower bottom plate 13 or may extend along the width direction of the lower bottom plate 13.
  • a plurality of lower ribs 131 are spaced apart from each other, and the number of the lower ribs 131 may be three, four, or the like.
  • the upper top plate 23 is provided with a plurality of upper ribs 231 for supporting the top of the motor 30.
  • the upper rib 231 is provided for direct contact with the top of the motor 30, which can effectively reduce the area in which the motor 30 is in direct contact with the upper top plate 23, so that the noise generated by the motor 30 due to resonance can be reduced.
  • the upper rib 231 may extend along the longitudinal direction of the upper top plate 23 or may extend along the width direction of the upper top plate 23.
  • a plurality of upper ribs 231 are spaced apart from each other, and the number of the upper ribs 231 may be three, four, or the like.
  • the rear end of the motor 30 is provided with a rear end circular table 32.
  • the top of the lower rear end plate 12 is provided with a rear end circular table for the rear end of the motor 30.
  • the lower positioning cam surface 121 of the 32 contact positioning.
  • the lower positioning curved surface 121 has an arc-shaped structure, that is, it can be adapted to a portion of the outer peripheral portion of the rear end circular table 32 disposed at the rear end of the motor 30, so that the rear end circular table 32 can be supported on the one hand.
  • the rear end circular table 32 also functions as a defined position, so that the positional deviation of the rear end portion of the motor 30 due to resonance during the operation of the motor 30 can be effectively prevented, thereby preventing resonance from occurring and being placed. Great noise is generated.
  • the bottom of the upper rear end plate 22 is provided with an upper positioning curved surface 221 for contact with the rear end circular table 32 at the rear end of the motor 30.
  • the structure and function of the upper positioning curved surface 221 is similar to that of the lower positioning curved surface 121.
  • it can support and position the top end circular table 32, and is formed together with the lower positioning curved surface 121 to form a
  • the inner diameter is adapted to the outer diameter of the rear round table 32 so that the rear round table 32 can be defined in the hole structure to provide better positioning of the rear round table 32.
  • the lower positioning curved surface 121 and the upper positioning curved surface 221 jointly cooperate to position the rear end circular table 32, and the limiting table 112 and the positioning table 211 jointly cooperate to position the output circular table 31, such that the motor 30 Positioning can be achieved at both the front and rear ends, significantly improving the sound distortion of the motor 30 due to the offset of the motor shaft 33 by the motor 30.
  • the lower rear end plate 12 is provided with a lower cutout 122 for escaping the lower electrode piece 34 of the motor 30.
  • the rear end of the motor 30 is generally provided with a lower electrode piece 34.
  • the lower sump 122 extends out of the cavity 100 for electrical connection with the power line.
  • the arrangement of the lower cutouts 122 does not affect the strength of the lower casing 10 and interferes with the installation of other components, and the design is reasonable and practical.
  • the upper rear end plate 22 is provided with an upper avoidance groove 222 for avoiding the upper electrode piece 35 of the motor 30.
  • the rear end of the motor 30 is generally provided with an upper electrode piece 35.
  • the upper sump 222 extends out of the cavity 100 for electrical connection with the power line.
  • the arrangement of the upper avoidance groove 222 does not affect the strength of the upper casing 20 and interferes with the installation of other components, and the design is reasonable and practical.
  • the bottom plate of the lower bottom plate 13 is provided with a support plate 15.
  • the support plate 15 is disposed such that when the motor resonance sound-changing mechanism is required to be mounted on an electronic product (for example, a gear box or a massager), the support plate 15 can abut on other structures to prevent the entire motor from resonating.
  • the fixing of the sound mechanism is more stable, and the stability of the motor resonance sounding mechanism can be further improved.
  • the lower bottom plate 13, the lower front end plate 11, and the lower rear end plate 12 are integrally injection molded by a plastic material to form the lower case 10; the upper top plate 23, The front end plate 21 and the upper rear end plate 22 are integrally molded by a plastic material to form the upper casing 20 body.
  • the manufacturing method of the lower case 10 and the upper case 20 by injection molding of a plastic material not only makes the product of the lower case 10 and the upper case 20 more uniform, but also has better connection stability between parts.
  • the lower case 10 and the upper case 20 are suitable for mass production and production, and have high production efficiency and lower production cost.
  • the lower front end plate 11 has a lower mounting plate 14 extending from an outer portion thereof, and an outer mounting portion 24 is provided at an outer portion of the upper front end plate 21.
  • the installation of the lower mounting plate 14 may be connected to other external components through the lower mounting plate 14 or fitted with other components after the installation of the lower mounting plate 14 to improve the versatility of the motor resonance sound-changing mechanism;
  • the function of the upper mounting plate 24 is similar to that of the lower mounting plate 14, and is also to improve the versatility of the motor resonance sounding mechanism to prevent the motor resonance sounding mechanism from being installed and electronically more flexible.
  • the lower mounting plate 14 is provided with a through hole 114 corresponding to the position of the elastic sheet 111.
  • the size of the through hole 114 and the elastic sheet 111 are in the natural state on the lower case 10.
  • the projection dimensions are uniform such that the elastic sheet 111 can be realized by inserting the through hole 114 structure in the injection mold.
  • the elastic sheet 111 is preferably integrally molded with the lower shell 10 and is also made of a plastic material.

Landscapes

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

Abstract

一种防止马达共振变音机构，包括下壳（10）和固定连接于下壳（10）上方的上壳（20），上壳（20）与下壳（10）共同围合形成有用于容置马达（30）的空腔（100），下壳（10）的前端设有弹性薄片（111），弹性薄片（111）上开设有用于定位马达（30）的马达轴（33）的弧形槽（1111），弧形槽（1111）的槽面用于与马达轴（33）接触。其中，弹性薄片（111）通过自身的弹性力使得弧形槽（1111）的槽面与马达轴（33）接触，实现对马达轴（33）的精准定位，有效避免马达轴（33）发生位置偏移，从而使得马达轴（33）的运转更加平稳，在转速突变等情况下，避免出现明显的共振现象，杜绝较大的噪声出现。

Description

防止马达共振变音机构 技术领域
本发明属于马达防振机构技术领域，尤其涉及一种防止马达共振变音机构。
 背景技术
马达在机械、电子等领域具有广泛应用。其中，马达一般由定子，转子等部分组成，转子在工作时发生旋转。马达在恒定电压工作时，转子旋转的频率是稳定的。由于电刷、轴承等零件的磨损和振动导致马达发生一定的噪声。通常情况下，转子绕自身轴线旋转，具有较好的静平衡和动平衡。马达发出的噪声是也是相对稳定的。然而由于设计和制造的原因，部分马达存在动平稳性能不佳的情况。并且由于马达轴与轴承之间存在微小的间隙，马达轴的旋转轴线将出现偏移，马达会出现运转不平稳，转速突变等情况，导致马达发出的噪声发生变化，表现为变音的现象。特别是马达的转速变化后共固有频率与相连的零件固有频率接近时，将出现明显的共振现象，出现较大的噪声。
 技术问题
本发明实施例的目的在于：提供一种防止马达共振变音机构，旨在解决现有技术中的马达在工作时会因为共振而导致出现变音或较大噪音的技术问题。
 技术解决方案
为解决上述技术问题，本发明实施例采用的技术方案是：提供了一种防止马达共振变音机构，包括下壳和固定连接于所述下壳上方的上壳，所述上壳与所述下壳共同围合形成有用于容置马达的空腔，所述下壳的前端设有弹性薄片，所述弹性薄片上开设有用于定位所述马达的马达轴的弧形槽，所述弧形槽的槽面用于与所述马达轴接触。
优选地，所述弹性薄片背向所述空腔延伸且朝向所述马达轴倾斜设置。
优选地，所述下壳包括下底板、下前端板和下后端板，所述下前端板呈竖直状连接于所述下底板的前端，所述下后端板呈竖直状连接于所述下底板的后端；
所述上壳包括上顶板、上前端板和上后端板，所述上前端板呈竖直状连接于所述上顶板的前端，所述上后端板呈竖直状连接于所述上顶板的后端；
所述下底板、所述下前端板、所述下后端板、所述上顶板、所述上前端板和所述上后端板共同围合形成所述空腔，所述弹性薄片设于所述下前端板的顶部。
优选地，所述下前端板的顶部设有限位台，所述限位台上开设有用于定位所述马达前端的出轴圆台的U形槽，所述U形槽的槽面用于所述出轴圆台接触，所述弹性薄片设于所述U形槽的外侧部。
优选地，所述限位台的外侧部设有用于加强所述限位台的强度的加强筋。
优选地，所述上前端板的底部设有定位台，所述定位台的底部设有用于与所述马达前端的出轴圆台抵接的定位平面。
优选地，所述下底板上设有若干用于支撑接触所述马达的底部的下筋条。
优选地，所述上顶板上设有若干用于支撑接触所述马达的顶部的上筋条。
优选地，所述下后端板的顶部设有用于与所述马达后端的后端圆台接触定位的下定位弧面。
优选地，所述上后端板的底部设有用于与所述马达后端的后端圆台接触定位的上定位弧面。
优选地，所述下后端板上设有用于避让所述马达的下电极片的下避空槽。
优选地，所述上后端板上设有用于避让所述马达的上电极片的上避空槽。
优选地，所述下底板的底部设有支撑板。
优选地，所述下底板、所述下前端板和所述下后端板通过塑胶材料一体注塑成型而制成所述下壳；所述上顶板、所述上前端板和所述上后端板通过塑胶材料一体注塑成型而制成所述上壳体。
优选地，所述下前端板的外侧部延伸设有下安装板，所述下安装板上开设有与所述弹性薄片位置对应的通孔；所述上前端板的外侧部延伸设有上安装板。
 有益效果
与现有技术相比，本发明实施例提供的防止马达共振变音机构，使用时，将马达安置于上壳与下壳共同围合形成的空腔内，马达卡紧在下壳与上壳之间，马达的马达轴延伸出至空腔之外，如此通过空腔限制住马达，使得马达安装后的稳定性更加；由于下壳的前端设置有弹性薄片，并且该弹性薄片上开设有用于定位马达轴的弧形槽，这样，延伸出至空腔之外的马达轴被弧形槽限定位置，弹性薄片通过其自身的弹性力使得弧形槽的槽面（即弧形槽的内壁面）与马达轴接触，实现对马达轴的精准定位，有效避免马达轴发生位置偏移，从而使得马达轴的运转更加平稳，在转速突变等情况下，避免出现明显的共振现象，杜绝较大的噪声出现，进而可以有效避免马达发出的声音产生变化而出现变音的现象。
 附图说明
为了更清楚地说明本发明实施例中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其它的附图。
图1为本发明实施例提供的防止马达共振变音机构安装有马达时的结构示意图。
图2为图1的结构爆炸图一。
图3为图1的结构爆炸图二。
图4为本发明实施例提供的防止马达共振变音机构的结构示意图。
图5为本发明实施例提供的防止马达共振变音机构的下壳的结构示意图。
图6为本发明实施例提供的防止马达共振变音机构的上壳的结构示意图。
其中，图中各附图标记：
10—下壳             11—下前端板         12—下后端板
13—下底板           14—下安装板         15—支撑板
20—上壳 21—上前端板 22—上后端板
23—上顶板           24—上安装板         30—马达
31—出轴圆台         32—后端圆台         33—马达轴
34—下电极片         35—上电极片         100—空腔
111—弹性薄片112—限位台          113—加强筋
114—通孔121—下定位弧面      122—下避空槽
131—下筋条211—定位台          221—上定位弧面
222—上避空槽231—上筋条          1111—弧形槽
1121—U形槽 2111—定位平面。
 本发明的实施方式
下面详细描述本发明的实施例，所述实施例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1~6描述的实施例是示例性的，旨在用于解释本发明，而不能理解为对本发明的限制。
在本发明的描述中，需要理解的是，术语“长度”、“宽度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。
此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个该特征。在本发明的描述中，“多个”的含义是两个或两个以上，除非另有明确具体的限定。
在本发明中，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”、“固定”等术语应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或成一体；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通或两个元件的相互作用关系。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本发明中的具体含义。
如图1~3所示，本发明实施例提供的一种防止马达共振变音机构，用于固定马达30并防止出现共振变音。防止马达共振变音机构包括下壳10和固定连接于所述下壳10上方的上壳20，所述上壳20与所述下壳10共同围合形成有用于容置马达30的空腔100，所述下壳10的前端设有弹性薄片111，所述弹性薄片111上开设有用于定位所述马达30的马达轴33的弧形槽1111，所述弧形槽1111的槽面用于与所述马达轴33接触。具体地，本发明实施例的防止马达共振变音机构，使用时，将马达30安置于上壳20与下壳10共同围合形成的空腔100内，马达30卡紧在下壳10与上壳20之间，马达30的马达轴33延伸出至空腔100之外，如此通过空腔100限制住马达30，使得马达30安装后的稳定性更加；由于下壳10的前端设置有弹性薄片111，并且该弹性薄片111上开设有用于定位马达轴33的弧形槽1111，这样，延伸出至空腔100之外的马达轴33被弧形槽1111限定位置，弹性薄片111通过其自身的弹性力使得弧形槽1111的槽面（即弧形槽1111的内壁面）与马达轴33接触，实现对马达轴33的精准定位，有效避免马达轴33发生位置偏移，从而使得马达轴33的运转更加平稳，在转速突变等情况下，避免出现明显的共振现象，杜绝较大的噪声出现，进而可以有效避免马达30发出的声音产生变化而出现变音的现象。
进一步地，下壳10与上壳20之间的连接固定可以通过销钉以及配合开设在下壳10与上壳20上的销钉孔实现。当然，也可以在下壳10与上壳20上开设有相匹配的卡槽和卡钩实现卡接固定。
更进一步地，下壳10与上壳20的连接处可以设置插接结构以使得下壳10与上壳20之间的配合更加紧密，例如可以在下壳10上设置插槽，而在上壳20对应的位置设置插柱，通过插柱插入插槽内与插槽形成插接配合而使得下壳10与上壳20之间的连接更加紧密。
本实施例中，如图1~2和图5所示，所述弹性薄片111背向所述空腔100延伸且朝向所述马达轴33倾斜设置。具体地，即弹性薄片111的底端相对于其顶端更加靠近于空腔100设置，这样呈倾斜状的弹性薄片111能够更加容易发挥其弹性力，形成一个向上的弹性力，以此通过该弹性力对马达30的马达轴33进行支撑，实现对马达轴33的位置限定，使得马达轴33与马达30上的孔或者轴承内孔的上部紧密接触，确保马达轴33在转动过程中绕其自身的轴线转动，避免发生偏移，这样结合上壳20与下壳10对马达30的限制，可共同减小马达30在工作时的共振，从而杜绝较大的噪声出现，进而可以有效避免马达30发出的声音产生变化而出现变音的现象。
本实施例中，如图2~5所示，所述下壳10包括下底板13、下前端板11和下后端板12，所述下前端板11呈竖直状连接于所述下底板13的前端，所述下后端板12呈竖直状连接于所述下底板13的后端；下前端板11和下后端板12分别竖直连接在下底板13的前后两端，使得下壳10大致形成凵字形状结构。
同理，如图2~3和图6所示，所述上壳20包括上顶板23、上前端板21和上后端板22，所述上前端板21呈竖直状连接于所述上顶板23的前端，所述上后端板22呈竖直状连接于所述上顶板23的后端；上前端板21和上后端板22分别竖直连接在上顶板23的前后两端，使得上壳20大致形成翻转180°的凵字形状结构。
进一步地，如图4所示，所述下底板13、所述下前端板11、所述下后端板12、所述上顶板23、所述上前端板21和所述上后端板22共同围合形成所述空腔100，所述弹性薄片111设于所述下前端板11的顶部。具体地，空腔100的相对两侧部为开口结构，即空腔100对应马达30的相对两侧部为开口结构。如此可以在安装马达30时减少对马达30的限制面，即使得对马达30的安装难度降低，提升对马达30安装的便利性和提高对马达30的安装效率。
如图2所示，一般地，马达30的前端设置有出轴圆台31，其中，马达轴33经过出轴圆台31穿出。本实施例中，所述下前端板11的顶部设有限位台112，所述限位台112上开设有用于定位所述马达30前端的出轴圆台31的U形槽1121，所述U形槽1121的槽面用于所述出轴圆台31接触，所述弹性薄片111设于所述U形槽1121的外侧部。具体地，U形槽1121的形状适配马达30前端设置的出轴圆台31的下部的外弧形，这样可以使得安装于空腔100内的马达30的出轴圆台31承托在限位台112的U形槽1121内，通过限位台112的U形槽1121对出轴圆台31进行支撑定位，进一步加强对马达30的位置限定，有效防止马达30出现共振，实用性强。
另外，将弹性薄片111设置在U形槽1121的外侧部位置刚好对应在经过出轴圆台31的马达轴33的下方，进而马达轴33可以通过设置在弹性薄片111的弧形槽1111进行限位。
本实施例中，如图2~5所示，所述限位台112的外侧部设有用于加强所述限位台112的强度的加强筋113。具体地，加强筋113的数量可以为一个或者两个，通过加强筋113的设置可以加强限位台112的强度，这样当马达30在工作中产生振动时，限位台112可以承受马达30的振动力而不出现损坏。优选地，加强筋113与限位台112一体成型设而制。
本实施例中，如图2和图6所示，所述上前端板21的底部设有定位台211，所述定位台211的底部设有用于与所述马达30前端的出轴圆台31抵接的定位平面2111。具体地，定位台211的底部形成的定位平面2111与出轴圆台31的顶部抵接，这样结合限位台112共同在竖直方向的顶部和底部对出轴圆台31进行限位，并且限位台112设置的U形槽1121还可以在水平方向对出轴圆台31进行限位，这样即可实现在竖直方向和水平方向都能够对马达30的出轴圆台31起到限位作用，进一步防止马达轴33出现偏移，进而可以显著改善马达轴33因为偏移导致的马达30变音现象。
优选地，如图6所示，上前端板21与定位台211为一平整的板块结构。
本实施例中，如图2和图5所示，所述下底板13上设有若干用于支撑接触所述马达30的底部的下筋条131。具体地，下筋条131的设置用于直接与马达30的底部接触，这样可以有效减少马达30与下底板13直接接触的面积，如此可以减小马达30共振产生的噪音。其中，下筋条131可以沿着下底板13的长度方向延伸设置，也可以沿着下底板13的宽度方向延伸设置。若干下筋条131之间间隔布置，下筋条131的数量可以是三条、四条等。
本实施例中，如图2和图6所示，所述上顶板23上设有若干用于支撑接触所述马达30的顶部的上筋条231。具体地，上筋条231的设置用于直接与马达30的顶部接触，这样可以有效减少马达30与上顶板23直接接触的面积，如此可以减小马达30因为共振产生的噪音。其中，上筋条231可以沿着上顶板23的长度方向延伸设置，也可以沿着上顶板23的宽度方向延伸设置。若干上筋条231之间间隔布置，上筋条231的数量可以是三条、四条等。
如图3~5所示，一般地，马达30的后端设置有后端圆台32，本实施例中，所述下后端板12的顶部设有用于与所述马达30后端的后端圆台32接触定位的下定位弧面121。具体地，下定位弧面121为圆弧状结构，即可以适配于设置在马达30后端的后端圆台32的一部位外援部，这样一方面可以对后端圆台32起到支撑的作用，另一方面还对后端圆台32起到限定位置的作用，从而可以有效防止马达30在工作时因为共振而导致马达30后端部位出现位置偏移，进而可以防止出现共振变音，并且放置较大噪音产生。
本实施例中，如图3~4所示，所述上后端板22的底部设有用于与所述马达30后端的后端圆台32接触定位的上定位弧面221。具体地，上定位弧面221的结构和作用与下定位弧面121类似，相反，其可以在顶部对后端圆台32起到支撑和定位的作用，与下定位弧面121共同围设形成一个内径适配于后端圆台32的外径的孔结构，这样可以将后端圆台32限定在该孔结构中，起到对后端圆台32更佳的定位效果。
综上，下定位弧面121和上定位弧面221结合共同对后端圆台32起到定位作用，以及限位台112和定位台211结合共同对出轴圆台31起到定位作用，如此马达30的前后两端都能够实现定位，显著改善对马达30因为马达轴33的偏移导致的马达30变音。
本实施例中，如图3所示，所述下后端板12上设有用于避让所述马达30的下电极片34的下避空槽122。具体地，马达30的后端一般设置有下电极片34，通过在下后端板12上开设下避空槽122可以是得马达30安装在空腔100内时，该下电极片34可以通过该下避空槽122延伸出至空腔100之外，以便与电源线实现电性连接。并且，该下避空槽122的设置也不会影响到下壳10的强度和干涉到其他部件的安装，设计合理，实用性强。
本实施例中，如图3所示，所述上后端板22上设有用于避让所述马达30的上电极片35的上避空槽222。具体地，马达30的后端一般设置有上电极片35，通过在上后端板22上开设上避空槽222可以是得马达30安装在空腔100内时，该上电极片35可以通过该上避空槽222延伸出至空腔100之外，以便与电源线实现电性连接。并且，该上避空槽222的设置也不会影响到上壳20的强度和干涉到其他部件的安装，设计合理，实用性强。
本实施例中，如图2~4所示，所述下底板13的底部设有支撑板15。具体地，支撑板15的设置是当防止马达共振变音机构需要安装在电子产品（例如齿轮箱、按摩器）上时，该支撑板15可以抵接在其他结构上，让整个防止马达共振变音机构的固定更加平稳，如此也可以进一步提升防止马达共振变音机构的稳定性。
本实施例中，优选地，所述下底板13、所述下前端板11和所述下后端板12通过塑胶材料一体注塑成型而制成所述下壳10；所述上顶板23、所述上前端板21和所述上后端板22通过塑胶材料一体注塑成型而制成所述上壳20体。具体地，通过塑料材料注塑成型下壳10和上壳20的制造方式，不但可以使得下壳10和上壳20产品一致性更好，且部件之间的连接稳定性更佳。同时，下壳10和上壳20适合大批量制造生产，且生产效率高，生产成本更低。
本实施例中，如图1~2所示，所述下前端板11的外侧部延伸设有下安装板14；所述上前端板21的外侧部延伸设有上安装板24。具体地，下安装板14的设置可以在完成下壳10的安装后，通过该下安装板14与其他外部部件连接或者配合供其他部件安装，提升防止马达共振变音机构的通用性；同理，上安装板24的作用与下安装板14类似，同样是为了提升防止马达共振变音机构的通用性，使得防止马达共振变音机构安装与电子产品上是更加灵活。
如图1~2所示，进一步地，所述下安装板14上开设有与所述弹性薄片111位置对应的通孔114，通孔114的尺寸与弹性薄片111自然状态下在下壳10上的投影尺寸一致，这样可以使得弹性薄片111在注塑模具中通过插穿该通孔114结构实现。其中，弹性薄片111优选与下壳10一体注塑成型，同样采用塑胶材料制造而成。
以上所述仅为本发明的较佳实施例而已，并不用以限制本发明，凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本发明的保护范围之内。

Claims (15)

  1. 一种防止马达共振变音机构，其特征在于：包括下壳和固定连接于所述下壳上方的上壳，所述上壳与所述下壳共同围合形成有用于容置马达的空腔，所述下壳的前端设有弹性薄片，所述弹性薄片上开设有用于定位所述马达的马达轴的弧形槽，所述弧形槽的槽面用于与所述马达轴接触。
  2. 根据权利要求1所述的防止马达共振变音机构，其特征在于：所述弹性薄片背向所述空腔延伸且朝向所述马达轴倾斜设置。
  3. 根据权利要求1所述的防止马达共振变音机构，其特征在于：所述下壳包括下底板、下前端板和下后端板，所述下前端板呈竖直状连接于所述下底板的前端，所述下后端板呈竖直状连接于所述下底板的后端；
    所述上壳包括上顶板、上前端板和上后端板，所述上前端板呈竖直状连接于所述上顶板的前端，所述上后端板呈竖直状连接于所述上顶板的后端；
    所述下底板、所述下前端板、所述下后端板、所述上顶板、所述上前端板和所述上后端板共同围合形成所述空腔，所述弹性薄片设于所述下前端板的顶部。
  4. 根据权利要求3所述的防止马达共振变音机构，其特征在于：所述下前端板的顶部设有限位台，所述限位台上开设有用于定位所述马达前端的出轴圆台的U形槽，所述U形槽的槽面用于所述出轴圆台接触，所述弹性薄片设于所述U形槽的外侧部。
  5. 根据权利要求4所述的防止马达共振变音机构，其特征在于：所述限位台的外侧部设有用于加强所述限位台的强度的加强筋。
  6. 根据权利要求3所述的防止马达共振变音机构，其特征在于：所述上前端板的底部设有定位台，所述定位台的底部设有用于与所述马达前端的出轴圆台抵接的定位平面。
  7. 根据权利要求3所述的防止马达共振变音机构，其特征在于：所述下底板上设有若干用于支撑接触所述马达的底部的下筋条。
  8. 根据权利要求3所述的防止马达共振变音机构，其特征在于：所述上顶板上设有若干用于支撑接触所述马达的顶部的上筋条。
  9. 根据权利要求3~8任一项所述的防止马达共振变音机构，其特征在于：所述下后端板的顶部设有用于与所述马达后端的后端圆台接触定位的下定位弧面。
  10. 根据权利要求3~8任一项所述的防止马达共振变音机构，其特征在于：所述上后端板的底部设有用于与所述马达后端的后端圆台接触定位的上定位弧面。
  11. 根据权利要求3~8任一项所述的防止马达共振变音机构，其特征在于：所述下后端板上设有用于避让所述马达的下电极片的下避空槽。
  12. 根据权利要求3~8任一项所述的防止马达共振变音机构，其特征在于：所述上后端板上设有用于避让所述马达的上电极片的上避空槽。
  13. 根据权利要求3~8任一项所述的防止马达共振变音机构，其特征在于：所述下底板的底部设有支撑板。
  14. 根据权利要求3~8任一项所述的防止马达共振变音机构，其特征在于：所述下底板、所述下前端板和所述下后端板通过塑胶材料一体注塑成型而制成所述下壳；所述上顶板、所述上前端板和所述上后端板通过塑胶材料一体注塑成型而制成所述上壳体。
  15. 根据权利要求14所述的防止马达共振变音机构，其特征在于：所述下前端板的外侧部延伸设有下安装板，所述下安装板上开设有与所述弹性薄片位置对应的通孔；所述上前端板的外侧部延伸设有上安装板。
PCT/CN2018/083367 2018-04-17 2018-04-17 防止马达共振变音机构 WO2019200531A1 (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2018/083367 WO2019200531A1 (zh) 2018-04-17 2018-04-17 防止马达共振变音机构

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2018/083367 WO2019200531A1 (zh) 2018-04-17 2018-04-17 防止马达共振变音机构

Publications (1)

Publication Number Publication Date
WO2019200531A1 true WO2019200531A1 (zh) 2019-10-24

Family

ID=68240577

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2018/083367 WO2019200531A1 (zh) 2018-04-17 2018-04-17 防止马达共振变音机构

Country Status (1)

Country Link
WO (1) WO2019200531A1 (zh)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5394039A (en) * 1993-01-19 1995-02-28 Ryobi Outdoor Products Inc. Electric motor mount having vibration damping
CN201601563U (zh) * 2009-12-21 2010-10-06 傅一鹏 一种按摩器马达的改进结构
CN203289753U (zh) * 2012-04-25 2013-11-13 德昌电机(深圳)有限公司 驱动装置及其壳体
CN104578554A (zh) * 2013-10-17 2015-04-29 阿斯莫株式会社 马达致动器
CN204349722U (zh) * 2015-01-06 2015-05-20 丰龙国际企业有限公司 马达
CN108512349A (zh) * 2018-04-17 2018-09-07 深圳市兆威机电股份有限公司 防止马达共振变音机构
CN208128056U (zh) * 2018-04-17 2018-11-20 深圳市兆威机电股份有限公司 防止马达共振变音机构

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5394039A (en) * 1993-01-19 1995-02-28 Ryobi Outdoor Products Inc. Electric motor mount having vibration damping
CN201601563U (zh) * 2009-12-21 2010-10-06 傅一鹏 一种按摩器马达的改进结构
CN203289753U (zh) * 2012-04-25 2013-11-13 德昌电机(深圳)有限公司 驱动装置及其壳体
CN104578554A (zh) * 2013-10-17 2015-04-29 阿斯莫株式会社 马达致动器
CN204349722U (zh) * 2015-01-06 2015-05-20 丰龙国际企业有限公司 马达
CN108512349A (zh) * 2018-04-17 2018-09-07 深圳市兆威机电股份有限公司 防止马达共振变音机构
CN208128056U (zh) * 2018-04-17 2018-11-20 深圳市兆威机电股份有限公司 防止马达共振变音机构

Similar Documents

Publication Publication Date Title
US20080260530A1 (en) Counter-rotating axial-flow fax
JP2003143783A (ja) 小型モータ
JP2008286137A (ja) 直列式軸流ファン
JP5510490B2 (ja) インバータ一体型電動圧縮機
JP6032959B2 (ja) ポンプの固定構造およびポンプ
US20230208227A1 (en) Rotor assembly and electronic water pump
JP2019140737A (ja) 電動圧縮機
CN208128056U (zh) 防止马达共振变音机构
WO2019200531A1 (zh) 防止马达共振变音机构
US20210167660A1 (en) High-speed Fan Motor
WO2019044513A1 (ja) 電動オイルポンプ
CN208548771U (zh) 一种转子挡板、转子及电机
US20200248705A1 (en) Cross-flow impeller mounting structure, air duct component and apparatus having cross-flow impeller
CN108512349A (zh) 防止马达共振变音机构
CN210985834U (zh) 一种防震马达
JP2013048501A (ja) モータ及びそれを用いた送風装置
KR102516545B1 (ko) 로터 및 이를 포함하는 모터
JPWO2019044523A1 (ja) 電動オイルポンプ
JP6930300B2 (ja) 電動オイルポンプ
CN214314858U (zh) 端盖组件、电机
KR100841314B1 (ko) 아우터 로터형 모터
JP2013047501A (ja) 給水装置
CN219420470U (zh) 驱动组件及洗涤设备
CN218850481U (zh) 无刷电机和风扇
CN211557062U (zh) 磁悬浮高稳定牙刷马达

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 18915413

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 18915413

Country of ref document: EP

Kind code of ref document: A1