CN104968965A - 带扭矩限制器的阻尼器 - Google Patents

带扭矩限制器的阻尼器 Download PDF

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CN104968965A
CN104968965A CN201480007322.7A CN201480007322A CN104968965A CN 104968965 A CN104968965 A CN 104968965A CN 201480007322 A CN201480007322 A CN 201480007322A CN 104968965 A CN104968965 A CN 104968965A
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plate
friction plate
limiter
seat board
damper
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CN104968965B (zh
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臼井一朗
莳田刚训
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Yutaka Giken Co Ltd
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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
    • 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
    • F16F15/131—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 the rotating system comprising two or more gyratory masses
    • F16F15/139—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 the rotating system comprising two or more gyratory masses characterised by friction-damping means
    • F16F15/1397—Overload protection, i.e. means for limiting torque
    • 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
    • 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
    • F16D3/14—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive adapted to specific functions combined with a friction coupling for damping vibration or absorbing shock
    • 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
    • F16D7/00—Slip couplings, e.g. slipping on overload, for absorbing shock
    • F16D7/02—Slip couplings, e.g. slipping on overload, for absorbing shock of the friction type
    • 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
    • F16D7/00—Slip couplings, e.g. slipping on overload, for absorbing shock
    • F16D7/02—Slip couplings, e.g. slipping on overload, for absorbing shock of the friction type
    • F16D7/024—Slip couplings, e.g. slipping on overload, for absorbing shock of the friction type with axially applied torque limiting friction surfaces
    • F16D7/025—Slip couplings, e.g. slipping on overload, for absorbing shock of the friction type with axially applied torque limiting friction surfaces with flat clutching surfaces, e.g. discs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • 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
    • F16F15/131—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 the rotating system comprising two or more gyratory masses
    • F16F15/133—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 the rotating system comprising two or more gyratory masses using springs as elastic members, e.g. metallic 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
    • 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
    • F16F15/131—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 the rotating system comprising two or more gyratory masses
    • F16F15/133—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 the rotating system comprising two or more gyratory masses using springs as elastic members, e.g. metallic springs
    • F16F15/134—Wound 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
    • 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
    • F16F15/131—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 the rotating system comprising two or more gyratory masses
    • F16F15/139—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 the rotating system comprising two or more gyratory masses characterised by friction-damping means
    • 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
    • F16F15/131—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 the rotating system comprising two or more gyratory masses
    • F16F15/139—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 the rotating system comprising two or more gyratory masses characterised by friction-damping means
    • F16F15/1392—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 the rotating system comprising two or more gyratory masses characterised by friction-damping means characterised by arrangements for axially clamping or positioning or otherwise influencing the frictional plates
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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
    • 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
    • F16F15/131—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 the rotating system comprising two or more gyratory masses
    • F16F15/139—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 the rotating system comprising two or more gyratory masses characterised by friction-damping means
    • F16F15/1395—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 the rotating system comprising two or more gyratory masses characterised by friction-damping means characterised by main friction means acting radially outside the circumferential lines of action of the elastic members

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Abstract

在带扭矩限制器的阻尼器中，由形成于质量环(3)的环状的限制器外壳(12)、与该限制器外壳(12)摩擦接合的摩擦板(15)、与该摩擦板(15)摩擦接合并与质量环(3)连结的加压板(16)、以及对该加压板(16)向摩擦板(15)侧施力的限制器弹簧(17)构成扭矩限制器(4)，另一方面，由一对的第一座板(21)和第二座板(22)构成弹簧座(5)，其中，所述一对的第一座板(21)和第二座板(22)以划分出阻尼器外壳(24)的方式对置并且通过铆钉(23)被彼此结合，在第二座板(22)上一体形成有摩擦板(15)。由此，将构成弹簧座的一对座板彼此连结的铆钉不负担扭矩传递，能够缩小该铆钉的直径而能够减少重量和成本。

Description

带扭矩限制器的阻尼器
技术领域
本发明涉及带扭矩限制器的阻尼器的改进，所述带扭矩限制器的阻尼器将质量环连结于与输入轴连结的驱动板，将弹簧座经由扭矩限制器而连结于该质量环，在该弹簧座内配设与输出轴连结的从动板，跨着上述弹簧座和从动板而配设有通过它们的相对旋转而被压缩的阻尼器弹簧。
背景技术
在上述带扭矩限制器的阻尼器中，当在输入轴和输出轴之间产生扭矩变动时，通过阻尼器弹簧的压缩变形来吸收该扭矩变动，此外，当过大扭矩作用于输入轴和输出轴之间时，通过扭矩限制器的打滑作用来切断扭矩传递，这样的带扭矩限制器的阻尼器例如下述专利文献1中公开的那样已被公知。
现有技术文献
专利文献
专利文献1：日本特开2010-236601号公报
发明内容
发明要解决的课题
然而，在以往的带扭矩限制器的阻尼器中，由相对置的一对座板构成弹簧座，在将该两座板结合时，利用公共的铆钉将该两座板加上摩擦板这三者结合起来。因此，在这样的结构中，在摩擦板与弹簧座之间的扭矩传递中存在铆钉，由于该铆钉需要具备能够承受扭矩传递的强度，因此不得不增大其直径，导致重量和成本增加。
本发明正是鉴于上述情况而完成的，其目的在于提供如下的上述带扭矩限制器的阻尼器：将构成弹簧座的一对座板彼此连结的铆钉不负担扭矩传递，能够缩小该铆钉的直径而能够减少重量和成本。
用于解决课题的手段
为了达到上述目的，本发明的第一特征在于，一种带扭矩限制器的阻尼器，在与输入轴连结的驱动板上连结有质量环，在该质量环上经由扭矩限制器连结有弹簧座、，在该弹簧座内配设有与输出轴连结的从动板，跨着所述弹簧座和从动板而配设有通过它们的相对旋转而被压缩的阻尼器弹簧，其中，所述扭矩限制器由如下部件构成：形成于所述质量环的内周侧的环状的限制器外壳；一侧面与该限制器外壳的一侧面摩擦接合的摩擦板；与该摩擦板的另一侧面摩擦接合并与所述质量环连结的加压板；以及限制器弹簧，其对该加压板向所述摩擦板侧施力而能够在所述摩擦板与所述质量环及加压板之间产生规定的摩擦扭矩，另一方面，所述弹簧座由一对的第一座板和第二座板构成，其中，所述一对的第一座板和第二座板以划分出阻尼器外壳的方式对置并且通过铆钉被相互结合，所述阻尼器外壳容纳所述阻尼器弹簧和从动板，在所述第二座板上一体形成有所述摩擦板。另外，所述输入轴对应于后述的本发明的实施方式中的曲轴1。
此外，在第一特征的基础上，本发明的第二特征在于，在所述摩擦板的外周面上形成有多个调心突起，所述多个调心突起在所述限制器外壳的内周面上滑动而实现该摩擦板与所述质量环的调心。
并且，在第一或第二特征的基础上，本发明的第三特征在于，所述摩擦板和第二座板由板厚薄于所述第一座板的钢板构成，并且在该第二座板上形成有多个环状弯曲部。
发明效果
根据本发明的第一特征，由于所述扭矩限制器由如下部件构成：形成于所述质量环的内周侧的环状的限制器外壳；一侧面与该限制器外壳的一侧面摩擦接合的摩擦板；与该摩擦板的另一侧面摩擦接合并与所述质量环连结的加压板；以及对该加压板向所述摩擦板侧施力而能够在所述摩擦板与所述质量环和加压板之间产生规定的摩擦扭矩的限制器弹簧，另一方面，由一对的第一座板和第二座板构成所述弹簧座，其中，所述一对的第一座板和第二座板以区划形成阻尼器外壳的方式对置并且通过铆钉被彼此结合，所述阻尼器外壳容纳所述阻尼器弹簧和从动板，在所述第二座板一体形成有所述摩擦板，因此，作用于扭矩限制器的摩擦板的扭矩从质量环直接传递至第二座板，不作用于所述铆钉。因此，能够通过直径比较小的所述铆钉将第一和第二座板结合，能够有助于减轻重量和降低成本。
根据本发明的第二特征，由于在所述摩擦板的外周面上形成有多个调心突起，所述多个调心突起在所述限制器外壳的内周面上滑动而实现该摩擦板与所述质量环的调心，因此，摩擦板、弹簧座和从动板相对于质量环而分别被调心，在组装时，当将与输入轴结合的驱动板与质量环结合时，输入轴与从动板的轮毂排列在同一轴线上，能够使位于与输入轴同一轴线上的输出轴容易、准确地花键嵌合于从动板的轮毂，能够提高组装性。
根据本发明的第三特征，由于由板厚薄于所述第一座板的钢板构成所述摩擦板和第二座板，因此，能够缩小扭矩限制器的轴向尺寸，能够实现扭矩限制器的紧凑化。并且，即使第二座板的板厚薄，其也具有多个环状弯曲部，由此有效地被加强，能够与板厚厚的第一座板配合而赋予弹簧座足够的强度，此外，还能够有助于减轻弹簧座的重量。
附图说明
图1是本发明的实施方式的主视图。(第一实施方式)
图2是图1中的2-2线剖视图。(第一实施方式)
图3是图2中的3-3线剖视图。(第一实施方式)
标号说明
D：带扭矩限制器的阻尼器
1：输入轴(曲轴)
2：输出轴
3：质量环
4：扭矩限制器
5：弹簧座
6：阻尼器弹簧
7：驱动板
12：限制器外壳
13：从动板
15：摩擦板
16：加压板
17：限制器弹簧
21：第一座板
22：第二座板
23：铆钉
24：阻尼器外壳
36：调心突起
具体实施方式
下面，根据附图对本发明的实施方式进行说明。
第一实施方式
在图1至图3中，发动机的曲轴1的动力经本发明的带扭矩限制器的阻尼器D而被传递至与离合器或者变速器相连的输出轴2。
上述带扭矩限制器的阻尼器D具备质量环3、扭矩限制器4、弹簧座5、多个阻尼器弹簧6、6···以及从动板13。
在质量环3的一侧面，通过螺栓9固定有通过螺栓8与曲轴1结合的驱动板7。在质量环3的另一侧面，通过铆钉11固定有受压板10，在该受压板10与质量环3之间划分出向质量环3的内周侧开口的环状的限制器外壳12，在该限制器外壳12中配设有扭矩限制器4。
扭矩限制器4由如下部分构成：摩擦板15，其能够旋转并滑动自如地被嵌装于限制器外壳12并与受压板10相邻；加压板16，其配置成与受压板10配合地夹着该摩擦板15；以及碟状的限制器弹簧17，其被压缩设置于限制器外壳12，以对该加压板16向摩擦板15侧以规定设置载荷进行施力。加压板16的内周缘部具备传动爪16a，该传递爪16a与质量环3内周面的缺口18卡合，将加压板16在旋转方向上与质量环3连结。在摩擦板15的左右两个面上粘接有与受压板10和加压板16摩擦接合的内衬19、19。
弹簧座5由相对置的左右一对的第一座板21和第二座板22构成，该两座板21、22在外周侧通过铆钉23被相互结合，在内周侧划分出环状的阻尼器外壳24。在该阻尼器外壳24内容纳有：阻尼器弹簧6、6···，其由沿周向排列的多个螺旋弹簧构成；以支撑各阻尼器弹簧6的两端的方式彼此对置的各一对保持器26、26；以及从动板13，从动板13的中心部具备与输出轴2花键结合的轮毂13a。
在第一座板21和第二座板22，在滑动方向上设置有多组彼此沿轴向排列且成对的外侧引导孔27、28，在从动板13设有内侧引导孔29，所述内侧引导孔29配置在各组外侧引导孔27、28之间，分别以跨着沿轴向排列的外侧引导孔27、28和内侧引导孔29的方式能够滑动地嵌装有一对保持器26、26。
在被压缩设置于各一对保持器26、26之间的阻尼器弹簧6内收纳有在该阻尼器弹簧6压缩变形规定量时被两保持器26、26夹压的橡胶制的二次阻尼器弹簧31。
此外，在座板21、22各自的内周端花键结合有与从动板13的两侧面滑动接触的第一定位环32和第二定位环33，第一定位环32旋转自如地嵌合于上述轮毂13a的外周面。也可以在第一定位环32和第二定位环33的与从动板13滑动接触的滑动接触面上粘接内衬。
如图2所示，第一座板21和第二座板22均为钢板制的，但第二座板22比第一座板21的板厚薄，并且具备：第一侧壁22a，其在其外周侧覆盖从动板13的一侧面；周壁22b，其从该第一侧壁22a的外周端向轴向弯曲而覆盖从动板13的外周面；和第二侧壁22c，其从该周壁22b的末端部向半径方向弯曲而与第一座板21重叠，在周壁22b上形成有向半径方向内侧凹入的多个凹入部35，在这些凹入部35处，第二侧壁22c和第一座板21通过上述铆钉23被结合。
第二侧壁22c进一步向半径方向外侧伸出，该伸出部构成上述摩擦板15。即，摩擦板15和第二座板22是由同一钢板一体形成的。
在摩擦板15的外周面上沿周向排列地一体地形成有多个调心突起36、36···，所述多个调心突起36、36···以可旋转自如和沿轴向滑动自如的方式与限制器外壳12的内周面卡合，由此，摩擦板15、与为摩擦板15一体的弹簧座5、以及经由第一定位环32而与第一座板21嵌合的轮毂13a分别相对于质量环3被调心。
所述凹入部35作为驱动侧止挡突起37而向阻尼器外壳24侧突出，与该驱动侧止挡突起37沿周向存在规定距离地对置的从动侧止挡突起38形成于从动板13的外周。
下面，对该实施方式的作用进行说明。
发动机的曲轴1的动力依次经由驱动板7、质量环3、扭矩限制器4(受压板10、加压板16、摩擦板15)、弹簧座5、一个保持器25、阻尼器弹簧6、另一保持器25和从动板13而被传递至输出轴2。在此期间，若由于发动机的输出变动及输出轴2侧的载荷变动而产生扭矩变动，则弹簧座5与从动板13相对旋转，弹簧座5的外侧引导孔27、28和从动板13的内侧引导孔29彼此偏离，从而各阻尼器弹簧6从支撑其两端的一对保持器26、26受到压缩变形而吸收该扭矩变动。
若由于扭矩变动的增加而使阻尼器弹簧6被压缩规定值以上，则此次阻尼器弹簧6的内侧的二次阻尼器弹簧31在保持器26、26之间被压缩来吸收所增加的扭矩变动。
然后，当弹簧座5与从动板13的相对旋转达到规定角度时，弹簧座5的驱动侧止挡突起37与从动板13的从动侧止挡突起38抵接，其相对旋转被停止，曲轴1和输出轴2一体旋转。
之后，在曲轴1与输出轴2之间被施加了过度的扭矩的情况下，在扭矩限制器4中，在摩擦板15与受压板10及加压板16之间产生打滑，将曲轴1与输出轴2之间的传动切断，即允许相对旋转，避免发动机和传动装置的损伤。
另外，由于构成弹簧座5的第一座板21和第二座板22通过铆钉23被结合，并且该第二座板22与扭矩限制器4的摩擦板15一体形成，因此从质量环3经由受压板10和加压板16而作用于摩擦板15的扭矩直接传递至第二座板22，不作用于上述铆钉23。因此，能够通过比较小直径的铆钉23将第一座板21和第二座板22结合，能够有助于减轻重量和降低成本。
此外，由于由板厚薄于第一座板21的薄钢板构成摩擦板15和第二座板22，因此，能够缩小扭矩限制器4的轴向尺寸，并有助于扭矩限制器4、进而收纳该扭矩限制器4的质量环3的紧凑化。
并且，即使第二座板22的板厚薄，其也具有第一侧壁22a、第二侧壁22c和周壁22b，因此具有多个环状弯曲部，由此有效地被加强，能够与板厚较厚的第一座板21配合而赋予弹簧座5足够的强度，此外，还能够有助于减轻弹簧座5的重量。
此外，通过在摩擦板15的外周面上沿周向排列并一体地形成有以可旋转自如和沿轴向滑动自如的方式与限制器外壳12的内周面卡合的多个调心突起36、36···，从而摩擦板15、弹簧座5和从动板13的轮毂13a相对于质量环3分别被调心，因此，在组装时，当将与曲轴1结合的驱动板7与质量环3结合时，曲轴1与轮毂13a排列在同一轴线上，因此，能够使位于与曲轴1同一轴线上的输出轴2容易、准确地花键嵌合于轮毂13a，能够提高组装性。
本发明不限于上述实施方式，能够在不脱离其主旨的范围内进行各种设计变更。

Claims (3)

1.一种带扭矩限制器的阻尼器，在与输入轴(1)连结的驱动板(7)上连结有质量环(3)，在该质量环(3)上经由扭矩限制器(4)连结有弹簧座(5)，在该弹簧座(5)内配设有与输出轴(2)连结的从动板(13)，跨着所述弹簧座(5)和从动板(13)而配设有通过它们的相对旋转而被压缩的阻尼器弹簧(6)，所述带扭矩限制器的阻尼器的特征在于，
所述扭矩限制器(4)由如下部件构成：形成于所述质量环(3)的内周侧的环状的限制器外壳(12)；一侧面与该限制器外壳(12)的一侧面摩擦接合的摩擦板(15)；与该摩擦板(15)的另一侧面摩擦接合并与所述质量环(3)连结的加压板(16)；以及限制器弹簧(17)，其对该加压板(16)向所述摩擦板(15)侧施力而能够在所述摩擦板(15)与所述质量环(3)及加压板(16)之间产生规定的摩擦扭矩，另一方面，
所述弹簧座(5)由一对的第一座板(21)和第二座板(22)构成，所述一对的第一座板(21)和第二座板(22)以划分出阻尼器外壳(24)的方式对置并且通过铆钉(23)被相互结合，所述阻尼器外壳(24)容纳所述阻尼器弹簧(6)和从动板(13)，
在所述第二座板(22)上一体形成有所述摩擦板(15)。
2.根据权利要求1所述的带扭矩限制器的阻尼器，其特征在于，
在所述摩擦板(15)的外周面上形成有多个调心突起(36)，所述多个调心突起(36)在所述限制器外壳(12)的内周面上滑动而实现该摩擦板(15)与所述质量环(3)的调心。
3.根据权利要求1或2所述的带扭矩限制器的阻尼器，其特征在于，
所述摩擦板(15)和第二座板(22)由板厚薄于所述第一座板(21)的钢板构成，并且在该第二座板(22)上形成有多个环状弯曲部。
CN201480007322.7A 2013-02-05 2014-01-30 带扭矩限制器的阻尼器 Expired - Fee Related CN104968965B (zh)

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