CN112747059A - 扭转减振器和减振器装置 - Google Patents

扭转减振器和减振器装置 Download PDF

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CN112747059A
CN112747059A CN202011144301.3A CN202011144301A CN112747059A CN 112747059 A CN112747059 A CN 112747059A CN 202011144301 A CN202011144301 A CN 202011144301A CN 112747059 A CN112747059 A CN 112747059A
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damper
coil spring
torsional vibration
main body
vibration damper
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CN112747059B (zh
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上原宏
萩原祥行
前田昌宏
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Ecoside Corp
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
    • F16D3/02—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive adapted to specific functions
    • F16D3/12—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive adapted to specific functions specially adapted for accumulation of energy to absorb shocks or vibration
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F1/00—Springs
    • F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
    • F16F1/373—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers characterised by having a particular shape
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
    • F16D3/02—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive adapted to specific functions
    • F16D3/10—Couplings with means for varying the angular relationship of two coaxial shafts during motion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F1/00—Springs
    • F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
    • F16F1/42—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers characterised by the mode of stressing
    • F16F1/48—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers characterised by the mode of stressing loaded mainly in torsion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
    • F16F15/12—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon
    • F16F15/121—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon using springs as elastic members, e.g. metallic springs
    • F16F15/123—Wound springs
    • F16F15/12313—Wound springs characterised by the dimension or shape of spring-containing windows
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
    • F16F15/12—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon
    • F16F15/121—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon using springs as elastic members, e.g. metallic springs
    • F16F15/123—Wound springs
    • F16F15/12353—Combinations of dampers, e.g. with multiple plates, multiple spring sets, i.e. complex configurations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
    • F16F15/12—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon
    • F16F15/121—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon using springs as elastic members, e.g. metallic springs
    • F16F15/127—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon using springs as elastic members, e.g. metallic springs using plastics springs combined with other types of springs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2200/00—Materials; Production methods therefor
    • F16D2200/0034—Materials; Production methods therefor non-metallic
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2300/00—Special features for couplings or clutches
    • F16D2300/22—Vibration damping
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
    • F16F15/14—Suppression of vibrations in rotating systems by making use of members moving with the system using masses freely rotating with the system, i.e. uninvolved in transmitting driveline torque, e.g. rotative dynamic dampers
    • F16F15/1407—Suppression of vibrations in rotating systems by making use of members moving with the system using masses freely rotating with the system, i.e. uninvolved in transmitting driveline torque, e.g. rotative dynamic dampers the rotation being limited with respect to the driving means
    • F16F15/1414—Masses driven by elastic elements
    • F16F15/1421—Metallic springs, e.g. coil or spiral springs
    • F16F15/1428—Metallic springs, e.g. coil or spiral springs with a single mass
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    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
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    • F16F2224/02—Materials; Material properties solids
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    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F2232/00—Nature of movement
    • F16F2232/02—Rotary
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F2234/00—Shape
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Abstract

本发明涉及扭转减振器和减振器装置。提供能够防止咬入螺旋弹簧的线间的扭转减振器。扭转减振器(10)配置在螺旋弹簧(13)内。扭转减振器(10)具备主体部(2)和槽部(3)。主体部(2)为树脂制造。另外，主体部(2)是圆柱状。槽部(3)形成在主体部(2)的外周面上。

Description

扭转减振器和减振器装置
技术领域
本发明涉及扭转减振器和减振器装置。
背景技术
为了吸收发动机或电动机等的转矩变动而使用减振器装置。减振器装置例如装配于飞轮等。减振器装置具备输入构件、输出构件以及螺旋弹簧。输入构件与输出构件能够相对旋转。螺旋弹簧将输入构件与输出构件弹性地连结。
在专利文献1中，公开了在螺旋弹簧内配置有扭转减振器的减振器装置。在发生了急剧的转矩变动的情况下，该转矩经由扭转减振器传递转矩。扭转减振器为了调整其刚性而形成为中央部的直径小于两端部的直径。
现有技术文献
专利文献
专利文献1：日本特开2000-205339号公报
发明内容
发明要解决的问题
上述的扭转减振器的两端部有可能会咬入螺旋弹簧的线间。因此，本发明的技术问题在于，提供能够防止咬入螺旋弹簧的线间的扭转减振器。
用于解决技术问题的方案
本发明的第一方面的扭转减振器配置在螺旋弹簧内。扭转减振器具备主体部和槽部。主体部为树脂制造。另外，主体部为圆柱状。槽部形成在主体部的外周面上。
根据该构成，能够通过形成在主体部的外周面的槽部来调整扭转减振器的刚性。即，不像现有的扭转减振器那样将中央部设为小直径，而能够调整刚性。因此，能够防止扭转减振器的两端部咬入螺旋弹簧的线间。
优选地，槽部以螺旋状延伸。
优选地，槽部的卷绕方向与螺旋弹簧的卷绕方向相反。
优选地，槽部沿着主体部的轴向延伸。
优选地，槽部的宽度小于螺旋弹簧的线径。
优选地，槽部具有底部和一对侧壁部。一对侧壁部随着接近底部而以相互接近的方式倾斜。
优选地，除形成有槽部的部位之外，主体部的直径为恒定的。
本发明的第二方面的减振器装置具备：第一旋转构件、第二旋转构件、螺旋弹簧以及上述中任一种扭转减振器。第一旋转构件配置为能够旋转。第二旋转构件配置为能够与第一旋转构件相对旋转。螺旋弹簧弹性地连结第一旋转构件与第二旋转构件。扭转减振器配置在螺旋弹簧内。
发明效果
根据本发明，能够防止扭转减振器咬入螺旋弹簧的线间。
附图说明
图1是减振器装置的主视图。
图2是图1的II-II线剖视图。
图3是扭转减振器的立体图。
图4是扭转减振器的侧视图。
图5是示出配置在螺旋弹簧内的扭转减振器的侧视图。
图6是示出扭转减振器的槽部的剖视图。
图7是图4的VII-VII线剖视图。
图8是图4的VIII-VIII线剖视图。
图9是图4的IX-IX线剖视图。
附图标记说明：
10：扭转减振器；2：主体部；3：槽部；31：侧壁部；32：底部。
具体实施方式
下面，参照附图来说明本发明的扭转减振器的实施方式。
[整体构成]
图1是减振器装置100的主视图，图2是图1的II-II线剖视图。在图2中，例如在减振器装置100的左侧配置有发动机，在右侧配置有包括变速装置等的驱动单元。此外，在使用图1和图2的说明中，轴向是指减振器装置100的旋转轴O所延伸的方向。另外，径向是指以减振器装置100的旋转轴O为中心的圆的径向。另外，圆周方向是指以减振器装置100的旋转轴O为中心的圆的周向。
该减振器装置100是设置在飞轮与驱动单元的输入轴之间、用于使在发动机与驱动单元之间被传递的转矩变动衰减的装置。
如图1和图2所示，减振器装置100具备：一对输入板11a、11b(第一旋转构件的一个例子)、毂缘12(第二旋转构件的一个例子)、多个螺旋弹簧13以及扭转减振器10。
＜输入板11a、11b＞
一对输入板11a、11b在轴向上相互隔开间隔配置。例如能够将转矩限幅器单元(省略图示)等与一对输入板11a、11b中的至少一个输入板连结。
各输入板11a、11b具有多个窗部111。多个窗部111在周向上隔开间隔配置。窗部111具有沿着轴向贯通的孔和形成于孔的周缘的保持部。一对输入板11a、11b中的一个输入板在外周部形成有用于装配转矩限幅器单元等的多个铆钉用孔112。一对输入板11a、11b通过铆钉相互被固定，因此无法在轴向及旋转方向上相互移动。
＜毂缘12＞
毂缘12配置成与各输入板11a、11b能够相对旋转。毂缘12具有轮毂部121及凸缘部122。轮毂部121为筒状，并且在内周面形成有花键孔123。驱动单元的输入轴能够与该花键孔123进行花键卡合。
凸缘部122从轮毂部121的外周面向径向外侧延伸。凸缘部122为圆板状。凸缘部122配置在一对输入板11a、11b之间。
凸缘部122具有多个收纳部124。各收纳部124形成于与输入板11a、11b的窗部111对应的位置。
＜螺旋弹簧13＞
各螺旋弹簧13将一对输入板11a、11b与毂缘12弹性地连结。螺旋弹簧13收纳于毂缘12的收纳部124。螺旋弹簧13由一对输入板11a、11b的窗部111在轴向及径向上保持。另外，在圆周方向上，螺旋弹簧13的两端面能够分别与各窗部111的端面抵接。另外，在圆周方向上，螺旋弹簧13的两端面能够与收纳部124的端面抵接。
＜扭转减振器10＞
扭转减振器10配置在螺旋弹簧13内。扭转减振器10的外周面与螺旋弹簧13的内周面抵接。因此，扭转减振器10由螺旋弹簧13保持。在螺旋弹簧13没有压缩的状态下，扭转减振器10的两端面与输入板11a、11b及毂缘12中的任意一者都不接触。
图3是扭转减振器10的立体图，图4是扭转减振器10的侧视图。此外，在使用图3和图4的说明中，轴向是指扭转减振器10所延伸的方向。另外，径向是指以扭转减振器10的中心轴为中心的圆的径向。另外，圆周方向是指以扭转减振器10的中心轴为中心的圆的周向。
如图3和图4所示，扭转减振器10具有主体部2和多个槽部3。此外，在本实施方式中，扭转减振器10具有两个槽部3。
主体部2为圆柱状。除形成有槽部3的部位之外，主体部2的直径在轴向上是恒定的。即，主体部2的两端部的直径与主体部2的中央部的直径是大致相同的。此外，如本实施方式所示，在主体部2形成有倒角部的情况下，除倒角部及槽部3之外，主体部2的直径在轴向上是恒定的。
主体部2为树脂制造。具体地说，主体部2能够由聚酰胺系弹性体或聚酯系弹性体等形成。
各槽部3形成于主体部2的外周面。通过形成该各槽部3来调整扭转减振器10的刚性。各槽部3在主体部2的外周面上以螺旋状延伸。此外，各槽部3相互大致平行地延伸。
槽部3的两端部不与主体部2的两端面连结。即，槽部3的两端部与主体部2的两端面隔着间隔配置。槽部3的两端部在轴向上未形成开口。
如图5所示，螺旋状的槽部3的卷绕方向与螺旋弹簧13的卷绕方向相反。因此，能够更可靠地防止扭转减振器10咬入螺旋弹簧13的线间。此外，主体部2的长度比螺旋弹簧13的线间长。
图6是槽部3的放大剖视图。此外，在使用图6的说明中，轴向是指扭转减振器10所延伸的方向。另外，径向是指以扭转减振器10的中心轴为中心的圆的径向。另外，圆周方向是指以扭转减振器10的中心轴为中心的圆的周向。
如图6所示，槽部3具有底部32和一对侧壁部31。一对侧壁部31朝向轴向。一对侧壁部31相互对置。底部32朝向径向外侧。一对侧壁部31随着接近底部32而以相互接近的方式倾斜。即，槽部3向外扩展。
如图7～图9所示，各槽部3的深度是恒定的。另外，各槽部3的深度是相互相同的。因此，一个槽部3的底部32与另一个槽部3的底部32的距离在轴向上是恒定的。
[动作]
来自发动机的动力经由飞轮等输入到减振器装置100。在减振器装置100中，由一对输入板11a、11b输入动力，该动力经由螺旋弹簧13传递到毂缘12。然后，动力从毂缘12进一步传递到输出侧的变速器等。
具体地，在减振器装置100中，若动力从一对输入板11a、11b传递到螺旋弹簧13，则螺旋弹簧13被压缩，螺旋弹簧13因转矩变动而反复进行伸缩。其中，若产生过大的转矩变动，则螺旋弹簧13进一步压缩，动力从一对输入板11a、11b经由扭转减振器10传递到毂缘12，而不经由传递到螺旋弹簧13。此时，扭转减振器10进行压缩，由此能够吸收过大的转矩变动。
[其它实施方式]
本发明不限于以上那样的实施方式，能够不脱离本发明的范围地进行各种变形或者修改。
例如，在上述实施方式中，槽部3以螺旋状延伸，但槽部3的构成不限于此。例如，槽部3也可以沿着主体部2的轴向延伸。在这种情况下，优选扭转减振器10具有多个槽部3。优选各槽部3在扭转减振器10的圆周方向上等间隔配置。
另外，槽部3也可以沿着主体部2的外周面以环状延伸。在这种情况下，优选扭转减振器10具有多个槽部3。另外，优选槽部3的宽度小于螺旋弹簧13的线径。

Claims (8)

1.一种扭转减振器，是配置在螺旋弹簧内的扭转减振器，具备：
圆柱状的主体部，为树脂制造；以及
槽部，形成在所述主体部的外周面上。
2.根据权利要求1所述的扭转减振器，其中，
所述槽部以螺旋状延伸。
3.根据权利要求2所述的扭转减振器，其中，
所述槽部的卷绕方向与所述螺旋弹簧的卷绕方向相反。
4.根据权利要求1所述的扭转减振器，其中，
所述槽部沿着所述主体部的轴向延伸。
5.根据权利要求1至4中任一项所述的扭转减振器，其中，
所述槽部的宽度小于所述螺旋弹簧的线径。
6.根据权利要求1至5中任一项所述的扭转减振器，其中，
所述槽部具有底部和一对侧壁部，
所述一对侧壁部随着接近所述底部而以相互接近的方式倾斜。
7.根据权利要求1至6中任一项所述的扭转减振器，其中，
除形成有所述槽部的部位之外，所述主体部的直径为恒定的。
8.一种减振器装置，具备：
第一旋转构件，配置为能够旋转；
第二旋转构件，配置为能够与所述第一旋转构件相对旋转；
螺旋弹簧，弹性地连结所述第一旋转构件与所述第二旋转构件；以及
权利要求1至7中任一项所述的扭转减振器，配置在所述螺旋弹簧内。
CN202011144301.3A 2019-10-31 2020-10-23 扭转减振器和减振器装置 Active CN112747059B (zh)

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