WO2021248790A1 - 一种用于洗衣机离合器的拨叉转换机构 - Google Patents

一种用于洗衣机离合器的拨叉转换机构 Download PDF

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Publication number
WO2021248790A1
WO2021248790A1 PCT/CN2020/125758 CN2020125758W WO2021248790A1 WO 2021248790 A1 WO2021248790 A1 WO 2021248790A1 CN 2020125758 W CN2020125758 W CN 2020125758W WO 2021248790 A1 WO2021248790 A1 WO 2021248790A1
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Prior art keywords
shift fork
plane
washing
push rod
washing machine
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PCT/CN2020/125758
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English (en)
French (fr)
Inventor
林华斌
叶芳芳
蔡泽豪
林朝显
谢作杰
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浙江三星机电股份有限公司
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Publication of WO2021248790A1 publication Critical patent/WO2021248790A1/zh

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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/30—Driving arrangements 
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/30—Driving arrangements 
    • D06F37/40—Driving arrangements  for driving the receptacle and an agitator or impeller, e.g. alternatively

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  • the invention relates to the field of washing machine clutches, in particular, it relates to a shift fork conversion mechanism for washing machine clutches.
  • the hand-rubbing washing method means that the inner tub is in a free state during washing conditions.
  • the pulsator rotates, the inner tub rotates in the opposite direction to the pulsator to realize the washing function of simulating manual hand rubbing of laundry;
  • the ordinary washing method is the washing machine.
  • the inner tub is in the locked (brake) state, and the pulsator rotates during washing to shake the clothes and water flow to realize the washing function.
  • the hand-rubbing type washing machine is not easy to entangle the clothes, and the degree of wear on the clothes is less, but the washing degree of the clothes is lower than that of the ordinary washing machine.
  • the washing degree of the clothes is lower than that of the ordinary washing machine.
  • the washing effect is better, the clothes are easily entangled, and the degree of wear on the clothes is greater than that of the hand-rub washing machine.
  • the deceleration clutch itself does not have the function of automatic clutch conversion. It must be manipulated by an external traction motor to drive the shift fork to act on the clutch components to cause the clutch to have a clutch effect and switch the working conditions of dehydration, hand scrubbing and ordinary washing.
  • the rotation of the shift fork is usually directly driven by a traction motor through a traction rope. This drive structure cannot accurately control the rotation angle of the shift fork, and thus cannot accurately control the working conditions of switching dehydration, hand scrubbing and ordinary washing.
  • the purpose of the present invention is to provide a shift fork switching mechanism for a washing machine clutch, so that the deceleration clutch can be accurately controlled to switch between the hand-rubbing washing mode, the ordinary washing mode, and the dehydration.
  • the present invention provides the following technical solutions:
  • a shift fork conversion mechanism for a washing machine clutch includes a coupling disc, a positioning disc, and a torque transmission sleeve.
  • a clutch spring is arranged between the coupling disc and the positioning disc, and the coupling spring drives the coupling disc to cooperate with the torque transmission sleeve; It also includes a shift fork that is rotatably arranged on the positioning plate and a shift fork drive device that drives the shift fork to rotate.
  • the shift fork drive device includes Slider, slide rail, tension spring, one end of the tension spring is fixed on the clutch shell, and the other end is connected with the slider; the slide rail is fixed on the clutch shell, wherein the slide can follow the slide rail Move back and forth; the sliding block is provided with a pushing groove matched with the shift fork, and a dehydration plane, a hand rubbing washing plane and a normal washing plane are sequentially arranged in the pushing groove.
  • the hand rubbing washing plane and the level of ordinary washing are relatively dehydrated
  • the planes increase in sequence; when the traction motor drives the slider to move along the slide rail, the dehydration plane, the hand-rubbing washing plane and the ordinary washing plane will sequentially cooperate with the shift fork to push the shift fork to rotate to different positions and drive the coupling plate to move.
  • the other end of the shift fork is provided with a linkage hole, a push rod and a push rod spring are arranged in the linkage hole, one end of the push rod extends out of the linkage hole and is provided with a push groove
  • the pushing head, the push rod spring is sleeved on the push rod to conflict with the pushing head
  • the push rod can push the shift fork to rotate on the clutch component, and when the shift fork rotates to a desired position, the push head compresses the push rod spring, so that the push rod moves on the linkage hole.
  • the present invention further provides that the dehydration plane and the hand rubbing washing plane are provided with a first inclined surface, and the hand rubbing washing plane and the ordinary washing plane are provided with a second inclined surface.
  • the present invention is further provided: it also includes a tension spring positioning frame, one end of the tension spring is connected with the clutch housing through the tension spring positioning frame.
  • the present invention further provides that the tension spring positioning frame is arranged on one side of the sliding rail, and the sliding block will collide with the tension spring positioning frame during the inward movement on the sliding rail, and is used to restrict the movement of the sliding block on the sliding rail.
  • the present invention further provides that the sliding rail is provided with a guide rail, and the sliding block is provided with a guide chute adapted to the guide rail.
  • the present invention further provides that a guide sleeve is arranged in the linkage hole, and the push rod is placed in the guide sleeve and can move up and down along the guide sleeve.
  • the present invention further provides that the pushing rod is provided with an annular boss, one end of the pushing spring is in conflict with the annular boss, and the other end is in conflict with the shift fork.
  • the present invention further provides that: the other end of the push rod is provided with a split pin, and the split pin abuts against the edge of the linkage hole.
  • a dehydration plane, a hand rubbing washing plane and a common washing plane are sequentially arranged on the pushing groove of the slider.
  • the dehydration plane, the hand rubbing washing plane and the common washing plane are The washing plane will be matched with the shift fork in turn, pushing the shift fork to rotate to three different positions, and the shift fork will drive the coupling plate to move to three different positions to realize the clutch and realize the three types of clutch dehydration, hand rubbing washing and ordinary washing.
  • Figure 1 is a schematic structural diagram of a shift fork conversion mechanism for a washing machine clutch in the initial position of the traction rope of the present invention
  • Figure 2 is the assembly diagram of shift fork and push rod
  • Figure 3 is a schematic diagram of the structure of the shift fork
  • Figure 4 is a schematic diagram of the structure of the shift fork drive device
  • Figure 5 is an exploded view of the fork drive device
  • Figure 6 is a schematic diagram of the structure of the slider
  • Fig. 7 is a schematic structural diagram of a shift fork conversion mechanism for a washing machine clutch of the present invention when the traction rope is in the first stroke position;
  • Fig. 8 is a schematic structural view of a shift fork conversion mechanism for a washing machine clutch of the present invention when the traction rope is in a second stroke position.
  • a shifting fork conversion mechanism for a washing machine clutch includes a coupling disc 1, a positioning disc 2 and a torque transmission sleeve 3.
  • a clutch spring 4 is arranged between the coupling disc 1 and the positioning disc 2, and the clutch spring 4 drives the coupling disc 1 Cooperate with torque transmission sleeve 3;
  • the shifting fork conversion mechanism further includes a shifting fork 5 that is rotatably arranged on the positioning plate 2 and a shifting fork driving device 6 that drives the shifting fork 5 to rotate.
  • a reset torsion spring for driving the shifting fork 5 is provided on the shifting fork 5.
  • One end is provided with a boss 51, the boss 51 is in contact with the coupling disc 1; the other end of the shift fork 5 is provided with a linkage hole 52, in the linkage hole 52 is provided with a push rod 7 and a push rod spring 8, so One end of the push rod 7 extends out of the linkage hole 52 and is provided with a push head 71.
  • a guide sleeve 9 is provided in the linkage hole 52. The movement of the rod 7 plays a guiding role, and the other end of the push rod 7 is provided with a split pin which abuts against the edge of the linkage hole 52 to prevent the push rod 7 from falling from the linkage hole 52.
  • the push rod spring 8 is sleeved on the push rod 7 to interfere with the push head 71; the push rod 7 is provided with an annular mounting platform 72, one end of the push rod spring 8 is in conflict with the annular mounting platform 72, and the other end
  • the part conflicts with the shift fork 5, which facilitates the installation of the push rod spring 8, and the structure is simple.
  • the push rod 7 is driven by the shift fork drive device 6 to push the shift fork 5 to rotate on the clutch housing.
  • the shift fork drive device 6 includes a slider 61, a sliding rail 62 and a tension spring 63, one end of the tension spring 63 Fixed on the clutch housing, the tension spring 63 can be connected to the clutch housing through the tension spring positioning frame 64, and the other end of the tension spring 63 is connected with the slider 61, so that the slider 61 can be quickly reset;
  • the slide rail 62 is fixed on the clutch housing, wherein the slider 61 can move back and forth along the slide rail 62, the slide rail 62 is provided with a guide rail 621, and the slider 61 is provided with a guide chute 611 adapted to the guide rail 621 ,
  • the tension spring positioning frame 64 is arranged on one side of the sliding rail 62, and the slider 61 will conflict with the tension spring positioning frame 64 during the inward movement on the sliding rail 62, and is used to restrict the slider 61 on the sliding rail 62
  • the level of the plane 6121, the hand-rubbing washing plane 6122 and the ordinary washing plane 6123 can be accurately set, so that the traction motor drives the slider 61 to move to accurately control the switching of three different working conditions of dehydration, hand-rubbing washing and ordinary washing.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)

Abstract

一种用于洗衣机离合器的拨叉转换机构，包括联接盘（1）、定位盘（2）和传矩轴套（3），联接盘（1）与定位盘（2）之间设置有离合弹簧（4），离合弹簧（4）驱使联接盘（1）与传矩轴套（3）相配合；还包括转动设置在定位盘（2）上的拨叉（5）以及驱动拨叉（5）转动的拨叉驱动装置（6），拨叉（5）的一端部设置有凸台（51），凸台（51）与联接盘（1）抵接；拨叉驱动装置（6）包括滑块（61）、滑轨（62）、拉簧（63），拉簧（63）的一端部固定在离合壳体上，另一端部与滑块（61）相连接；当牵引电机驱使滑块（61）沿滑轨（62）移动时，其中脱水平面（6121）、手搓洗涤平面（6122）和普通洗涤平面（6123）会依次与拨叉（5）相配合，使得拨叉（5）带动联接盘（1）移动至三个不同的位置，实现离合器的三个不同工况，从而使得减速离合器可以在手搓式洗涤方式、普通型洗涤方式和脱水进行转换。

Description

一种用于洗衣机离合器的拨叉转换机构 技术领域
本发明涉及洗衣机离合器领域，具体地说，它涉及一种用于洗衣机离合器的拨叉转换机构。
背景技术
现有全自动洗衣机，根据洗涤类型不同，主要分为两种，手搓型洗涤方式和普通型洗涤方式。手搓式洗涤方式，就是洗涤工况时，内桶处于自由状态，波轮旋转时，内桶朝着与波轮相反方向旋转，实现模拟人工手动搓洗衣物的洗涤功能；普通型洗涤方式，就是洗涤工况时，内桶处于锁止(制动)状态，洗涤时靠波轮旋转，甩动衣物及水流，实现洗涤功能。
其中手搓型洗衣机洗涤时，衣物不易缠绕，对衣物的磨损度较小，但是对衣物的洗净度较普通型洗衣机小。而普通型洗衣机洗涤时，虽然洗涤效果更好，但是衣物容易缠绕，对衣物的磨损度相比手搓型洗衣机会较大点。
其中减速离合器其本身并不具有自动离合转换的功能，须经外部牵引电机的操纵，带动拨叉作用于离合器部件上，使其发生离合作用，转换脱水、手搓洗涤和普通洗涤的工况，拨叉转动通常是通过牵引电机通过牵引绳直接驱动，这种驱动结构无法准确控制拨叉转动角度，从而无法准确控制转换脱水、手搓洗涤和普通洗涤的工况。
发明内容
针对现有技术存在的不足，本发明的目的在于提供一种用于洗衣机离合器的拨叉转换机构，使得减速离合器可以准确控制在手搓式洗涤方式、普通型洗涤方式和脱水进行转换。
为实现上述目的，本发明提供了如下技术方案：
一种用于洗衣机离合器的拨叉转换机构，包括联接盘、定位盘和传矩轴套，联接盘与定位盘之间设置有离合弹簧，该离合弹簧驱使联接盘与传矩轴套相配合；还包括转动设置在定位盘上的拨叉以及 驱动拨叉转动的拨叉驱动装置，所述拨叉的一端部设置有凸台，该凸台与联接盘抵接；所述拨叉驱动装置包括滑块、滑轨、拉簧，所述拉簧的一端部固定在离合壳体上，另一端部与滑块相连接；所述滑轨固定在离合壳体上，其中滑块能沿滑轨前后移动；在滑块设置有与拨叉相配合的推动槽，在推动槽内依次设置有脱水平面、手搓洗涤平面和普通洗涤平面，所述手搓洗涤平面和普通洗涤的水平高度相对脱水平面依次增高；当牵引电机驱使滑块沿滑轨移动时，所述脱水平面、手搓洗涤平面和普通洗涤平面会依次与拨叉相配合，推动拨叉转动至不同位置，驱使联接盘移动。
本发明进一步设置：所述拨叉的另一端部设置有联动孔，在联动孔内设置有推杆和推杆弹簧，所述推动杆的一端部伸出联动孔并且设置有与推动槽相配合的推动头，所述推杆弹簧套设推杆上与推动头相抵触；
所述推杆能推动拨叉在离合器部件上转动，当所述拨叉转动至所需位置后，所述推动头会压缩推杆弹簧，使得推动杆在联动孔上移动。
本发明进一步设置：所述脱水平面和手搓洗涤平面设置有第一斜面，所述手搓洗涤平面和普通洗涤设置有第二斜面。
本发明进一步设置：还包括拉簧定位架，所述拉簧的一端部通过拉簧定位架与离合壳体相连接。
本发明进一步设置：所述拉簧定位架设置在滑轨一侧，滑块在滑轨上向内移动过程中，会与拉簧定位架抵触，用于限制滑块在滑轨上移动。
本发明进一步设置：所述滑轨设置有导轨，所述滑块设置与导轨相适配的导向滑槽。
本发明进一步设置：在联动孔内设置导向套，所述推杆置于导向套内，能沿导向套上下移动。
本发明进一步设置：所述推动杆设置有环形凸台，所述推动弹簧的一端部与环形凸台相抵触，另一端部与拨叉相抵触。
本发明进一步设置：所述推杆的另一端部设置有开口销，所述开 口销抵靠在联动孔边缘上。
本发明有益效果：在滑块的推动槽上依次设置有脱水平面、手搓洗涤平面和普通洗涤平面，当牵引电机驱使滑块沿滑轨移动时，所述脱水平面、手搓洗涤平面和普通洗涤平面会依次与拨叉相配合，推动拨叉转动至三个不同位置，拨叉带动联接盘移动至三个不同的位置，实现离合，实现离合器的脱水、手搓洗涤和普通洗涤的三个不同工况切换，同时脱水平面、手搓洗涤平面和普通洗涤平面的水平高度可以准确设置，使得牵引电机通过驱使滑块移动，来准确控制脱水、手搓洗涤和普通洗涤的三个不同工况切换，从而使得减速离合器可以在手搓式洗涤方式、普通型洗涤方式和脱水进行转换。
附图说明
图1为本发明一种用于洗衣机离合器的拨叉转换机构处于牵引绳处于初始位置的结构示意图；
图2为拨叉与推杆装配图
图3为拨叉的结构示意图；
图4为拨叉驱动装置的结构示意图；
图5为拨叉驱动装置的分解图；
图6为滑块的结构示意图；
图7为本发明一种用于洗衣机离合器的拨叉转换机构处于牵引绳处于第一行程位置的结构示意图；
图8为本发明一种用于洗衣机离合器的拨叉转换机构处于牵引绳处于第二行程位置的结构示意图。
附图标记说明：1、联接盘；2、定位盘；3、传矩轴套；4、离合弹簧；5、拨叉；51、凸台；52、联动孔；6、拨叉驱动装置；61、滑块；611、导向滑槽；612、推动槽；6121、脱水平面；6122、手搓洗涤平面；6123、普通洗涤平面；6124、第一斜面；6125、第二斜面；62、滑轨；621、导轨；63、拉簧；64、拉簧定位架；7、推杆；71、推动头；72、环形安装台；8、推杆弹簧；9、导向套；
具体实施方式
参照附图1至图8对本发明一种用于洗衣机离合器的拨叉转换 机构做进一步详细说明。
一种用于洗衣机离合器的拨叉转换机构，包括联接盘1、定位盘2和传矩轴套3，联接盘1与定位盘2之间设置有离合弹簧4，该离合弹簧4驱使联接盘1与传矩轴套3相配合；
该拨叉转换机构还包括转动设置在定位盘2上的拨叉5以及驱动拨叉5转动的拨叉驱动装置6，在拨叉5上设置驱使其复位的复位扭簧，所述拨叉5的一端部设置有凸台51，该凸台51与联接盘1抵接；拨叉5的另一端部设置有联动孔52，在联动孔52内设置有推杆7和推杆弹簧8，所述推杆7的一端部伸出联动孔52并且设置推动头71，在联动孔52内设置导向套9，所述推杆7置于导向套9内，能沿导向套9上下移动，对推杆7移动起到导向作用，所述推杆7的另一端部设置有开口销，所述开口销抵靠在联动孔52边缘，防止推杆7从联动孔52内掉落。
所述推杆弹簧8套设推杆7上与推动头71相抵触；所述推杆7设置有环形安装台72，所述推杆弹簧8的一端部与环形安装台72相抵触，另一端部与拨叉5相抵触，便于安装推杆弹簧8，结构简单。
当通过推杆7推动拨叉5在离合壳体上转动时，所述凸台51会推动联接盘1向定位盘移动，当联接盘1已经与定位盘联接到位后，拨叉5将不再转动，此时继续驱使推杆7推动拨叉5，所述推动头71会压缩推杆弹簧8，使得推杆在联动孔52上移动，从而使得推杆不会对拨叉5继续增加推力，防止拨叉5受力变形，提高拨叉5使用寿命。
其中推杆7是通过拨叉驱动装置6推动拨叉5在离合壳体上转动的，该拨叉驱动装置6包括滑块61、滑轨62和拉簧63，所述拉簧63的一端部固定在离合壳体上，其中拉簧63可以通过拉簧定位架64与离合壳体相连接，所述拉簧63的另一端部与滑块61相连接，使得滑块61能快速复位；所述滑轨62固定在离合壳体上，其中滑块61能沿滑轨62前后移动，所述滑轨62设置有导轨621，所述滑块61设置与导轨621相适配的导向滑槽611，所述拉簧定位架64设置在 滑轨62一侧，滑块61在滑轨62上向内移动过程中，会与拉簧定位架64抵触，用于限制滑块61在滑轨62上移动；在滑块61设置有与拨叉5相配合的推动槽612，在推动槽612内依次设置有脱水平面6121、手搓洗涤平面6122和普通洗涤平面6123，所述手搓洗涤平面6122和普通洗涤的水平高度相对脱水平面6121依次增高，所述脱水平面6121和手搓洗涤平面6122设置有第一斜面6124，所述手搓洗涤平面6122和普通洗涤平面6123设置有第二斜面6125。
当牵引电机驱使滑块61沿滑轨62移动时，所述滑块61远离拉簧63滑动，所述脱水平面6121、手搓洗涤平面6122和普通洗涤平面6123会依次与拨叉5相配合，推动拨叉5转动至三个不同位置，拨叉5带动联接盘1移动至三个不同的位置，实现离合，实现离合器的脱水、手搓洗涤和普通洗涤的三个不同工况切换，同时脱水平面6121、手搓洗涤平面6122和普通洗涤平面6123的水平高度可以准确设置，使得牵引电机通过驱使滑块61移动，来准确控制脱水、手搓洗涤和普通洗涤的三个不同工况切换。
以下对三个不同切换的工作原理进行描述：
从图1可知，初始位置时，拨叉5的推杆与滑块61的脱水平面6121抵接，拨叉5与联接盘1处于分离状态，联接盘1在联接盘1弹簧的复位下，向传矩轴套端移动，实现联接盘1与传矩轴套3的联结，此时离合器处于脱水工况。
从图7可知，第一行程位置时，滑块61移动，第一斜面6124通过推杆推动拨叉5转动，滑块61的手搓洗涤平面6122与拨叉5的推杆抵接，同时拨叉5推动联接盘1向定位盘方向移动，实现联接盘1与传矩轴套的分离，此时联接盘1同时与传矩轴套及定位盘处于分离状态，离合器处于手搓洗涤工况。
从图8可知，第二行程位置时，滑块61继续移动，第二斜面6125推动推杆旋转，滑块61的普通洗涤平面6123与拨叉5的推杆抵接，同时拨叉5继续推动联接盘1向定位盘方向移动，实现联接盘1与定位盘的联结，离合器处于普通洗涤工况。
以上所述仅是本发明的优选实施方式，本发明的保护范围并不仅 局限于上述实施例，凡属于本发明思路下的技术方案均属于本发明的保护范围。应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理前提下的若干改进和润饰，这些改进和润饰也应视为本发明的保护范围。

Claims (9)

  1. 一种用于洗衣机离合器的拨叉转换机构，包括联接盘、定位盘和传矩轴套，联接盘与定位盘之间设置有离合弹簧，该离合弹簧驱使联接盘与传矩轴套相配合；
    其特征是：还包括转动设置在定位盘上的拨叉以及驱动拨叉转动的拨叉驱动装置，所述拨叉的一端部设置有凸台，该凸台与联接盘抵接；
    所述拨叉驱动装置包括滑块、滑轨、拉簧，所述拉簧的一端部固定在离合壳体上，另一端部与滑块相连接；
    所述滑轨固定在离合壳体上，其中滑块能沿滑轨前后移动；
    在滑块设置有与拨叉相配合的推动槽，在推动槽内依次设置有脱水平面、手搓洗涤平面和普通洗涤平面，所述手搓洗涤平面和普通洗涤的水平高度相对脱水平面依次增高；
    当牵引电机驱使滑块沿滑轨移动时，所述脱水平面、手搓洗涤平面和普通洗涤平面会依次与拨叉相配合，推动拨叉转动至不同位置，驱使联接盘移动。
  2. 根据权利要求1所述的一种用于洗衣机离合器的拨叉转换机构，其特征是：所述拨叉的另一端部设置有联动孔，在联动孔内设置有推杆和推杆弹簧，所述推动杆的一端部伸出联动孔并且设置有与推动槽相配合的推动头，所述推杆弹簧套设推杆上与推动头相抵触；
    所述推杆能推动拨叉在离合器部件上转动，当所述拨叉转动至所需位置后，所述推动头会压缩推杆弹簧，使得推动杆在联动孔上移动。
  3. 根据权利要求1或2所述的一种用于洗衣机离合器的拨叉转换机构，其特征是：所述脱水平面和手搓洗涤平面设置有第一斜面，所述手搓洗涤平面和普通洗涤设置有第二斜面。
  4. 根据权利要求1所述的一种用于洗衣机离合器的拨叉转换机构，其特征是：还包括拉簧定位架，所述拉簧的一端部通过拉簧定位架与离 合壳体相连接。
  5. 根据权利要求1所述的一种用于洗衣机离合器的拨叉转换机构，其特征是：所述拉簧定位架设置在滑轨一侧，滑块在滑轨上向内移动过程中，会与拉簧定位架抵触，用于限制滑块在滑轨上移动。
  6. 根据权利要求1所述的一种用于洗衣机离合器的拨叉转换机构，其特征是：所述滑轨设置有导轨，所述滑块设置与导轨相适配的导向滑槽。
  7. 根据权利要求2所述的一种用于洗衣机离合器的拨叉转换机构，其特征是：在联动孔内设置导向套，所述推杆置于导向套内，能沿导向套上下移动。
  8. 根据权利要求7所述的一种用于洗衣机离合器的拨叉转换机构，其特征是：所述推动杆设置有环形凸台，所述推动弹簧的一端部与环形凸台相抵触，另一端部与拨叉相抵触。
  9. 根据权利要求2所述的一种用于洗衣机离合器的拨叉转换机构，其特征是：所述推杆的另一端部设置有开口销，所述开口销抵靠在联动孔边缘上。
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