CN114074540B - 混合动力变速器的发动机连接结构 - Google Patents

混合动力变速器的发动机连接结构 Download PDF

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CN114074540B
CN114074540B CN202110875948.1A CN202110875948A CN114074540B CN 114074540 B CN114074540 B CN 114074540B CN 202110875948 A CN202110875948 A CN 202110875948A CN 114074540 B CN114074540 B CN 114074540B
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CN114074540A (zh
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金泰勋
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Hyundai Transys Inc
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Hyundai Dymos Inc
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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
    • F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
    • F16D1/02—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for connecting two abutting shafts or the like
    • 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
    • F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
    • F16D1/10—Quick-acting couplings in which the parts are connected by simply bringing them together axially
    • F16D1/108—Quick-acting couplings in which the parts are connected by simply bringing them together axially having retaining means rotating with the coupling and acting by interengaging parts, i.e. positive coupling
    • F16D1/116—Quick-acting couplings in which the parts are connected by simply bringing them together axially having retaining means rotating with the coupling and acting by interengaging parts, i.e. positive coupling the interengaging parts including a continuous or interrupted circumferential groove in the surface of one of the coupling parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/24—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the combustion engines
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    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/36—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/40—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the assembly or relative disposition of components
    • B60K6/405—Housings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
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    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/40—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the assembly or relative disposition of components
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
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    • F16D2001/103—Quick-acting couplings in which the parts are connected by simply bringing them together axially the torque is transmitted via splined connections

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Abstract

本发明提供一种混合动力变速器的发动机连接结构，包括：连接机构，通过连接板连接边缘部分和质量块，并与相对侧转轴相连接；以及驱动板，与所述连接机构相对，位于曲轴侧，用于连接所述质量块和曲轴。

Description

混合动力变速器的发动机连接结构
技术领域
本发明涉及一种混合动力变速器的发动机连接结构。
背景技术
一般而言，混合动力汽车是指通过有效地组合两种或多种不同类型的动力源来驱动车辆。混合动力汽车是指由通过燃烧燃料(汽油等化石燃料)获得旋转动力的发动机和使用电池电力获得旋转动力的电动机驱动的汽车。
这种混合动力汽车正积极地研究未来型汽车，所述未来型汽车除了采用发动机以外，作为辅助动力源采用电机来谋求减少废气及提高燃烧消耗率。
混合动力汽车通常使用发动机和电机，低速时使用低速扭矩特性较好的电机作为主动力源，高速时使用高速扭矩特性较好的发动机作为主动力源。因此，混合动力汽车，在低速区间使用电机而停止运行使用化石燃料的发动机，因此，在燃料消耗率的改善和废气的减少方面具有优异的效果。
用于混合动力汽车的驱动装置，为了驱动通过电动汽车(EV，Electric Vehicle)模式和混合动力汽车(HEV，Hybrid Electric Vehicle)模式等的运行模式行驶，通过启动发动机来进行从EV模式到HEV模式的模式转换，其中，电动汽车模式是仅利用电机的旋转力的纯电动汽车模式，混合动力汽车模式是将发动机的旋转力作为主动力，同时作为辅助动力利用电机的旋转力。
现有的混合动力系统，可以由比高压系统更廉价的零件构成，并且，可以通过组合2个以上的电机在短时间内实现相当于全混合动力的输出。这种现有的混合动力系统，通常根据电机的位置分为P0、P1、P2、P3、P4，分别在是否执行EV模式、再生制动性能等上显示差异。
图1是示出现有的混合动力变速器的图。如图1所示，现有的P1、P2混合动力变速器，包括：P1电机1，具备定子1a及转子1b；P2电机2，具备定子2a及转子2b；以及扭振减振器3，设置在P1电机1和P2电机2之间。扭振减振器3连接于P1电机1的转子1a。P1电机1的转轴1c和连接轴4通过花键S相连接。连接轴4通过螺栓B与发动机的曲轴5相连接。
然而，现有的P1、P2混合动力变速器的P1电机的转轴及连接轴的花键(spline)，为了顺利组装而存在间隙(backlash)，由于该间隙在连接轴的齿面存在间隔，因而在传递发动机的动力时会发生振颤噪声(Rattle Noise)。
对此，本发明旨在提出一种能够无间隙地连接发动机的连接轴的机构。
在先技术文件
专利文件
(专利文献1)大韩民国专利公开第10-2009-0020791号(2009年2月27日公开)
发明内容
为解决上述问题，本发明提供一种可以无间隙地连接发动机的连接轴的混合动力变速器的发动机连接结构。
为达成所述目的，本发明提供一种混合动力变速器的发动机连接结构，其中，包括：连接机构，通过连接板连接边缘部分和质量块，并与相对侧转轴相连接；以及驱动板，与所述连接机构相对，位于曲轴侧，用于连接所述质量块和曲轴。
所述连接机构为第一连接螺母，所述第一连接螺母通过花键连接于向曲轴方向突出的所述转轴的外径，当锁紧螺母螺丝结合于所述转轴的外径时，所述锁紧螺母的一侧面同时紧密接触第一连接螺母的相对面和转轴的卡止突起，来锁紧第一连接螺母，在不与所述第一连接螺母连接而露出于曲轴侧的转轴部位具备第一台阶部及第二台阶部，所述第一台阶部在其外周螺丝结合所述锁紧螺母，并以小于通过花键连接于第一连接轴的转轴部位的外径的外径而形成，由小于所述第一台阶部的外径形成的第二台阶部与第一台阶部相连，并从第一台阶部向曲轴方向延长而插入至曲轴的内部。
所述连接机构为第二连接螺母，所述第二连接螺母通过花键连接于所述转轴的外径，当螺栓联结于所述转轴的相对面时，联结于所述螺栓的锁紧板同时紧密接触转轴和第二连接螺母的相对面来锁紧第二连接螺母。
在所述第二连接螺母的相对面设置第一插入部，在所述第一插入部插入锁紧板。
所述转轴与第二连接螺母之间的花键连接部位通过被压在锁紧板的O形圈实现水密密封。
设置在所述驱动板的中心的凸台部位与所述曲轴通过螺栓相连接，所述驱动板的边缘部位与所述质量块通过螺栓相连接。
在所述质量块与连接板及电机之间设有壳体隔壁，在所述壳体隔壁的中心具备围绕所述转轴的轮毂，在所述转轴的外径与轮毂的内径之间具备用于水密密封的油封。
所述连接机构为第一连接轴，所述第一连接轴，包括：第一延长部，贯穿所述转轴的内部，并通过花键与转轴相连接；以及第二延长部，从所述第一延长部向曲轴方向延长，并插入至曲轴的内部，螺丝结合于经过所述转轴的内部露出于外侧的第一延长部的露出部位的锁紧螺母紧密接触所述转轴的相对面来锁紧第一连接轴。
所述连接机构为第二连接轴，所述第二连接轴插入至所述转轴的内部并通过花键连接到转轴，在所述第二连接轴的末端面螺丝结合螺栓，与所述螺栓联结的锁紧板插入至设置在所述转轴的相对面的第二插入部，并同时紧密接触转轴和第二连接轴的相对面来锁紧所述第二连接轴，所述转轴与第二连接轴之间的花键连接部位通过被压在锁紧板的O形圈实现水密密封。
所述连接机构为连接凸缘，所述连接凸缘的一面与所述转轴的一面相连接，在所述连接凸缘的一面沿着与中心形成同心圆的节圆具备螺栓孔，通过联结于所述螺栓孔的螺栓连接所述连接凸缘与转轴。
发明效果
本发明可以无间隙地连接混合动力变速器的转子和发动机的连接轴。
此外，本发明可以通过消除发动机的连接轴的齿面间隙来防止振颤噪声。
附图说明
图1是示出现有的混合动力变速器的图。
图2是示出根据本发明的第一实施例的混合动力变速器的发动机连接结构的图。
图3是示出根据本发明的第二实施例的混合动力变速器的发动机连接结构的图。
图4是示出根据本发明的第二实施例的组装过程的图。
图5是示出根据本发明的第三实施例的混合动力变速器的发动机连接结构的图。
图6是示出根据本发明的第四实施例的混合动力变速器的发动机连接结构的图。
图7是示出根据本发明的第五实施例的混合动力变速器的发动机连接结构的图。
图中：
10：第一连接螺母，10a：插入部，11：第二连接螺母，12：第一连接轴，13：第二连接轴，14：连接凸缘，20：驱动板，21：凸台，30：连接板，40：质量块，50：电机，51：转轴，51a：一面，51b：卡止突起，51c：第一台阶部，51d：第二台阶部，60：曲轴，70：壳体隔壁，71：轮毂，90：扭振减振器，111：第一插入部，121：第一延长部，122：第二延长部，141：一面，142：螺栓孔，511：第二插入部，B：螺栓，b：轴承，L1：锁紧板，L2：锁紧螺母，O1：O形圈，O2：油封，P：节圆，S：花键
具体实施方式
下面，参照附图详细说明本发明的优选实施例。应注意对各图的构成要素标注图面符号时，即便是在不同的图中，对相同的构成要素尽量标注相同的符号。并且，在说明本发明时，若判断对相关的公知构成或功能的具体说明会使本发明的要旨不明确，则省略对其的详细说明。下面将说明本发明的优选实施例，但是，本发明的技术思想不限于此，可由本领域的技术人员变形实施为多种实施例是理所当然的。
现有的P1、P2混合动力变速器的P1电机的转轴及连接轴的花键(spline)，为了顺利组装而存在间隙(backlash)，由于该间隙在连接轴的齿面存在间隔，因而在传递发动机的动力时会发生振颤噪声(Rattle Noise)。对此，本发明旨在提出一种可以无间隙地连接发动机的连接轴的机构。
首先，将说明根据本发明的第一实施例的混合动力变速器的发动机连接结构。
图2是示出根据本发明的第一实施例的混合动力变速器的发动机连接结构的图。如图2所示，本发明的第一实施例，包括：连接机构，由与电机50的转轴51连接的同时边缘与质量块40连接的第一连接螺母10而成；驱动板20，用于连接质量块40与发动机的曲轴60。
具体地，第一连接螺母10通过花键S连接于转轴51的外径。
在组装第一连接螺母10和转轴51时，朝向曲轴60的第一连接螺母10的一面与转轴51的卡止端部51b相一致形成平面。
在第一连接螺母10联结于转轴51的状态下，在被露出到未与第一连接螺母10联结的曲轴60侧的转轴51部位联结锁紧螺母L2来锁紧第一连接螺母10。
在组装时，锁紧螺母L2插入至设置在第一连接螺母10的一面上的插入部10a中，一面同时紧密接触第一连接螺母10的一面和转轴51的卡止端部51。由此，成为第一连接螺母10不会与转轴51分离的锁定状态。
第一连接螺母10可以通过连接板30连接于质量块40。作为一例，连接板30可以通过焊接连接于第一连接螺母10和质量块40。
连接板30的中心部位与第一连接螺母10相连接，连接板30的边缘部位与质量块40相连接。
质量块(MASS)是一个重量体，当第一连接螺母10与转轴51一起旋转时，通过质量块40的重量额外作用旋转惯性以减少由旋转操作引起的振动。
驱动板20与第一连接螺母10相隔开预定间隔位于发动机的曲轴60侧。在驱动板20的中心部位具备凸台21。组装时，在设置在驱动板20的凸台的中心结合曲轴60的状态下，将螺栓B联结到凸台21和曲轴60。
驱动板20的边缘部位连接于质量块40。通过将螺栓B联结于驱动板20的节圆P，可以牢固地连接驱动板20和质量块40。
在质量块40与连接板30的连接结构和电机50之间设置有壳体隔壁70。壳体隔壁70在中心设置有轮毂71。壳体隔壁70的轮毂71组装成围绕转轴51和第一连接螺母10的结构。
当第一连接螺母10组装于转轴51的状态下，第一连接螺母10的外径与轮毂71的内径之间设置有油封O2。通过油封02实现第一连接螺母10的外径与轮毂71的内径之间的水密密封。
转轴51由安装在轮毂71内部的轴承b可旋转地支撑。
从第一连接螺母10的结合部位向曲轴60侧依次形成有第一台阶部51c和第二台阶部51d。第一台阶部51c和第二台阶部51d是未与第一连接螺母10结合的部位。
具体地，第一台阶部51c由小于联结第一连接螺母10的转轴51的外径部位的外径而形成。
由于第一台阶部51c的形成，在通过花键联结于第一连接螺母10的转轴51的外径部位和第一台阶部51c之间的边界形成卡止突起51b。
第一台阶部51c是对应联结锁紧螺母L2的部位，并形成为符合锁紧螺母L2的横宽的宽度。在第一台阶部51c的外周形成有螺丝部，由此，可以将锁紧螺母L2联结至第一台阶部51c。
第二台阶部51d与第一台阶部51c相连接，从第一台阶部51c向曲轴60方向延长。第二台阶部51d由小于第一台阶部51c的外径而形成。
例如，当使用螺栓组装连接板30和转轴51时，至少需要2个以上的螺栓，但是，本发明的第一实施例中，通过与连接板30相连接的一个第一连接螺母10组装连接板30和转轴51，因此，与通过螺栓组装时相比，可以减少组装零件的数量。
作为一例，在将第一连接螺母10联结于转轴51的状态下，将锁紧螺母L2联结于第一台阶部51c，然后，通过铆接(caulking)加工防止锁紧螺母L2被松开。
在组装过程中，由于转轴51的第二台阶部51d插入于曲轴60的内部，因此，可以更加牢固地组装转轴51和曲轴60。由于牢固地组装转轴51和曲轴60，因此，可以提高电机50的转子旋转平衡(balance)。
进而，由于第二台阶部51d插入于曲轴60的内部，因此，可以稳定地支持转轴51的两端，从而，稳定地保持同心度，并减小噪音振动。
锁紧螺母L2紧密接触的第一连接螺母10和转轴51的花键连接部位通过O形圈O1实现水密密封。通过锁紧螺母L2的挤压，O形圈O1紧密接触第一连接螺母10和转轴51的花键S的连接部位。
图3是示出根据本发明的第二实施例的混合动力变速器的发动机连接结构的图。如图3所示，本发明的第二实施例，包括：连接机构，由与电机50的转轴51连接的同时边缘与质量块40连接的第二连接螺母11而成；驱动板20，用于连接质量块40与发动机的曲轴60。
具体地，第二连接螺母11通过花键S连接于转轴51的外径。
在第二连接螺母11联结于转轴51的状态下，在朝向曲轴60的转轴51的相对面联结螺栓B。在组装时，朝向转轴51的曲轴60的面与朝向第二连接螺母11的曲轴60的面相一致形成平面。
在联结螺栓B时，联结于螺栓B的锁紧板L1被插入至设置在第二连接螺母11的相对面的第一插入部111。
具体地，由于锁紧板L1插入于第一插入部111，并同时与第二连接螺母11和转轴51的相对面紧密接触，由此，可以实现第二连接螺母11不会与转轴51分离的第二连接螺母11的锁紧状态。
第二连接螺母11可以通过连接板30连接于质量块40。作为一例，连接板30可以通过焊接连接于第二连接螺母11和质量块40。
具体地，连接板30以第二连接螺母11位于连接板的中心部位的方式连接于第二连接螺母11。连接板30的边缘部位与质量块40相连接。
质量块(MASS)是一个重量体，当第二连接螺母11与转轴51一起旋转时，通过质量块40的重量额外作用旋转惯性以减少由旋转操作引起的振动。
在转轴51的一面设有螺栓孔。螺栓孔沿着与转轴51的一面中心形成同心圆的节圆P而设置。在组装时，通过将螺栓B联结到螺栓孔来连接第二连接螺母11和转轴51。
驱动板20与第二连接螺母11相隔开预定间隔位于曲轴60侧。在驱动板20的中心部位具备凸台21。组装时，在设置在驱动板20的凸台21的中心结合曲轴60的状态下，将螺栓B联结于凸台21和曲轴60。
驱动板20的边缘部位连接于质量块40。通过将螺栓B联结于驱动板20的节圆P，可以牢固地连接驱动板20和质量块40。
在质量块40与连接板30的连接结构和电机50之间设置有壳体隔壁70。壳体隔壁70在中心设置有轮毂71。壳体隔壁70的轮毂71组装成围绕转轴51的结构。
在转轴51的外径与轮毂71的内径之间设有油封O2。可以通过油封O2实现转轴51的外径和轮毂71的内径之间的水密密封。
接着，将说明根据本发明的第二实施例的混合动力变速器的发动机连接结构的组装过程。
图4是示出根据本发明的第二实施例的组装过程的图。如图4所示，首先，将第二连接螺母11联结至变速器侧。具体地，将第二连接螺母11压入联结到安装在变速器上的转轴51的外径。转轴51和第二连接螺母11通过花键S结构连接。
在此状态下，通过将螺栓B联结于转轴51组装转轴51和第二连接螺母11。在联结螺栓B时，联结于螺栓B的锁紧板L1被螺栓B的头部按压，同时，插入到设置在第二连接螺母11的第一插入部111。
锁紧板L1插入于第一插入部111，并与转轴51的一面和第二连接螺母11的一面同时紧密接触。通过联结锁紧板L1实现第二连接螺母11的锁紧状态。由于锁紧板L1同时与转轴51的一面和第二连接螺母11的一面紧密接触，因此，第二连接螺母11不会分离。
另一方面，转轴51和第二连接螺母11之间的花键S的连接部位可以通过被压在锁紧板L1的O形圈O1实现水密密封。
在组装转轴51和第二连接螺母11之后，将驱动板20组装到发动机侧。
具体地，在将驱动板20的凸台21位于曲轴60的状态下，在凸台21联结螺栓B来组装驱动板20和曲轴60。
在组装好驱动板20和曲轴60之后，将驱动板20的边缘部分紧密接触在质量块40的状态下，将螺栓B联结于驱动板20的边缘部位，来组装驱动板20和质量块40。
由于在驱动板20和质量块40的节圆P穿设有可供联结螺栓B的螺栓孔，因此，可以容易进行组装工作。
如上所述，由于在变速器侧和变速器的相对侧的发动机侧分别组装第二连接螺母11和驱动板20，因此，在组装过程中，第二连接螺母11和驱动板20之间可无干扰的状态下迅速进行组装。
扭振减振器(Torsional Damper)安装在发动机和变速器之间，以减小在传递动力的过程中在输入轴周期性发生的扭转振动。扭振减振器90与电机50的转子相连接。
接着，将说明根据本发明的第三实施例的混合动力变速器的发动机连接结构。
图5是示出根据本发明的第三实施例的混合动力变速器的发动机连接结构的图。如图5所示，本发明的第三实施例，除了由第一连接轴12而成的连接机构和与其对应的转轴的组装部位之外，其他部位与实施例2相同。
具体地，第一连接轴12包括沿电机50方向延长的第一延长部121和朝曲轴60方向延长的第二延长部122。
第一延长部121插入至转轴51的内部并通过花键S连接。此时，锁紧螺母L2被螺丝结合于经过转轴51的内部露出于外侧的第一延长部121的露出部位。
锁紧螺母L2与转轴51的相对面紧密接触。第一延长部121通过螺丝结合于第一延长部121的露出部位的锁紧螺母L2成为不会从转子51脱离的状态，由此实现第一连接轴12的锁紧(locking)。
第二延长部122从第一延长部121向曲轴60侧延长。第二延长部122插入于曲轴60的内部。
接着，将说明根据本发明的第四实施例的混合动力变速器的发动机连接结构。
图6是示出根据本发明的第四实施例的混合动力变速器的发动机连接结构的图。如图6所示，本发明的第四实施例，除了由第二连接轴13而成的连接机构和与其对应的转轴的组装部位之外，其他部位与实施例2相同。
具体地，第二连接轴13插入至转轴51的内部并通过花键S连接于转轴51。第二连接轴13朝电机50的方向插入。
螺栓B联结于第二连接轴13的朝向扭振减振器90的末端面。组装时，转轴51的朝向扭振减振器90的末端面与第二连接轴13的朝向扭振减振器90的末端面相一致形成平面。
当螺栓B联结于第二连接轴13时，联结于螺栓B的锁紧板L1插入至设置在转轴51的相对面的第二插入部511。
具体地，由于锁紧板L1插入于第二插入部511，同时与第二连接轴13和转轴51的末端面同时紧密接触，由此实现第二连接轴13不会与转轴51分离的第二连接轴13的锁紧状态。
在第二连接轴13和转轴51之间的花键S连接部位具备O形圈O1。O形圈O1被锁紧板L1按压。可以通过O形圈O1实现第二连接轴13和转轴51之间花键S连接部位的水密密封。
接着，将说明根据本发明的第五实施例的混合动力变速器的发动机连接结构。
图7是示出根据本发明的第五实施例的混合动力变速器的发动机连接结构的图。如图7所示，本发明的第五实施例，除了由连接凸缘14而成的连接机构和与其对应的转轴的组装部位之外，其他部位与实施例2相同。
具体地，连接凸缘14的一面141连接于相对侧的转轴51的一面51a。虽未图示，连接凸缘14的一面141和转轴51的一面51a可以通过花键结构连接。
在连接凸缘14的一面141设有螺栓孔142。螺栓孔142沿着与连接凸缘14的一面141中心形成同心圆的节圆P而设置。组装时，螺栓B联结于螺栓孔142，以连接连接凸缘14和转轴51。
如上所述，根据本发明，混合动力变速器的转子和发动机的连接轴可以无间隙地连接。此外，本发明可以通过消除发动机连接轴的齿面间隙来防止振颤噪声。
以上的说明仅仅是对本发明的技术思想进行例示性地说明，只要是本发明所属技术领域的普通技术人员，在不脱离本发明的本质特性的范围内可以进行多种修正、变形及取代。因此，本发明所公开的实施例及附图并非用于限定本发明的技术思想，而是用于说明本发明，本发明的技术思想的范围并非局限于所述实施例及附图。本发明的保护范围应根据权利要求书来解释，并且应解释为在与其相同的范围内的所有技术思想都包含在本发明的权利范围中。

Claims (3)

1.一种混合动力变速器的发动机连接结构，其中，包括：
连接机构，通过连接板连接该连接机构的边缘部分和质量块，并且该连接机构与相对侧转轴相连接；以及
驱动板，与所述连接机构相对，位于曲轴侧，用于连接所述质量块和曲轴，
其中，所述连接机构为第一连接螺母；
所述第一连接螺母通过花键连接于向曲轴方向突出的所述转轴的外径，
当锁紧螺母螺丝结合于所述转轴的外径时，所述锁紧螺母的一侧面同时紧密接触所述第一连接螺母的相对面和所述转轴的卡止突起，以锁紧所述第一连接螺母，
在不与所述第一连接螺母连接而露出于曲轴侧的转轴部位具备第一台阶部及第二台阶部，所述第一台阶部在其外周螺丝结合所述锁紧螺母，并以小于通过花键连接于所述第一连接螺母的转轴部位的外径的外径而形成，由小于所述第一台阶部的外径形成的所述第二台阶部与所述第一台阶部相连，并从所述第一台阶部向曲轴方向延长而插入至所述曲轴的内部。
2.根据权利要求1所述的混合动力变速器的发动机连接结构，其中，设置在所述驱动板的中心的凸台部位与所述曲轴通过螺栓相连接，所述驱动板的边缘部位与所述质量块通过螺栓相连接。
3.根据权利要求1所述的混合动力变速器的发动机连接结构，其中，在所述质量块与所述连接板及电机之间设有壳体隔壁，在所述壳体隔壁的中心具备围绕所述转轴的轮毂，在所述转轴的外径与所述轮毂的内径之间具备用于水密密封的油封。
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