Electromagnetic actuator for two-way clutch (1) _hebei hengjin transmission machinery Co., ltd.

Hebei Hengjin Transmission Machinery Co., Ltd.
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Electromagnetic actuator for two-way clutch (1)

Release time: November 28, 2016

本发明涉及双向离合器。 TECHNICAL FIELD: The present invention relates to a two-way clutch. 更少的部件和部件之间更少的物理按触来实现离合器的接合。 Specifically, the clutch structure according to the present invention enables the clutch to achieve engagement of the clutch with relatively fewer parts and fewer physical touches between the parts compared to conventional clutches .
在许多应用场合会用到离合器让驱动装置(例如马达之类)与从动装置(例如传送器或者 于软管或者线缆的卷轴)接合和脱离接合。 BACKGROUND OF THE INVENTION Clutches are used in many applications to engage and disengage a driving device (such as a motor) from a driven device (such as a conveyor or a spool for a hose or cable). / 或脱离接合可以通过机械、流体或者电磁促动或者甚至靠使 者手动地实现。 The clutch engagement and / or disengagement can be achieved by mechanical, fluid or electromagnetic actuation or even manually by the user . One type of conventional clutch that is mechanically actuated is a ratchet and pawl clutch. 离合器中,棘爪常通过弹簧加载或者通过离心力与形成在离合器构件其中之一的表面内的凹槽接合。 In such a clutch, the pawl is often engaged with a groove formed in a surface of one of the clutch members by spring loading or by centrifugal force. 1 3-02483 1 3 中披露了一种改进的棘爪离合器,其中促动器或者拉杆包括多个柄脚,这些柄脚在离合器构件 对转动时接合离合器中的棘爪,以使使棘爪运动进入接合位置中并在离合器构件之间传递扭矩。 An improved pawl clutch is disclosed in U.S. Publication No. 20 1 3-02483 1 3 , wherein the actuator or lever includes a plurality of tangs that engage the pawls in the clutch when the clutch member is relatively rotated To move the pawl into the engaged position and transfer torque between the clutch members. The disclosed clutch significantly improves conventional clutches. However, contact between the actuator and the pawl generates heat and wear debris at the junction between the actuator and the pawl.
本发明披露了一种改进的双向离合器。 SUMMARY OF THE INVENTION The present invention discloses an improved two-way clutch. Specifically, the present invention discloses a two-way clutch capable of achieving engagement of the clutch with relatively fewer parts and less physical contact between the parts compared to a conventional clutch.
线沿径向布置在内构件外侧。 A two-way clutch according to an embodiment of the present invention includes: an inner member arranged around a first rotation axis; and an outer member arranged around the first rotation axis outside the inner member in a radial direction. The clutch also includes a pawl coupled to one of the inner and outer members. The pawl has a first end portion and a second end portion, and the pawl is configured to rotate about a second rotation axis so that the first end portion of the pawl can be in a first engaged position, a second engaged position, and disengaged. Between positions, in a first engagement position, the first end of the pawl engages with a first pawl engagement surface in the other of the inner and outer members, and in a second engagement position, the first end of the pawl The portion is engaged with a second pawl engagement surface in another member, and in the disengaged position, the first end portion of the pawl is disengaged from the other member to allow relative rotation between the inner and outer members. The clutch also includes a pair of magnets provided at the second end of the pawl. Each of the pair of magnets defines a magnetic pole adjacent the second end of the pawl. The poles of the pair of magnets have opposite polarities . The clutch also includes an electromagnetic actuator configured to selectively generate a first electromagnetic field having a first polarity and a second electromagnetic field having a second polarity opposite to the first polarity. The first electromagnetic field forces the pawl away from the disengaged position to the first engaged position to rotate the other member in the first rotational direction, and the second electromagnetic field forces the pawl away from the disengaged position to the second engaged position so that the other member Rotate in a second rotation direction opposite to the first rotation direction.
构件外侧的外构件。 A two-way clutch according to another embodiment of the present invention includes an inner member arranged around a first rotation axis and an outer member arranged radially outside the inner member around the first rotation axis . 外构件中的一个构件的第一棘爪。 The clutch also includes a first pawl coupled to one of the inner and outer members. 线转动,使得第一棘爪的第一端部在第一接合位置、第二接合位置和脱离接合位置之间运动,在第一接合位置中,第一棘爪的第一端部与 外构件中的另一个构件中的第一棘爪接合表面接合,在第二接合位置中,第一棘爪的第一端部与另一个构件中的第二棘爪接合表面接合,在脱离接合位置中,第一棘爪的第一端部与另一个构件脱离接合以允许内外构件的相对转动。 The first pawl has a first end portion and a second end portion, and the first pawl is configured to rotate about a second rotation axis such that the first end portion of the first pawl is in the first engagement position, the first Movement between two engaged positions and disengaged positions. In the first engaged position, the first end portion of the first pawl is engaged with the first pawl engagement surface of the other member of the inner and outer members, and is engaged in the second engagement. In the position, the first end of the first pawl is engaged with the second pawl engagement surface in the other member, and in the disengaged position, the first end of the first pawl is disengaged from the other member to allow the inside and the outside Relative rotation of components. The clutch also includes a pair of first magnets disposed at a second end of the pawl. Each of the pair of magnets defines a magnetic pole adjacent the second end of the pawl. The magnetic poles of the first pair of magnets have opposite polarities. The clutch also includes a second pawl coupled to another member. 该第二棘爪被构造成 以围绕第三转动轴线转动,从而第二棘爪的第一端部能够在第一接合位置、第二接合位置和脱离接合位置之间运动,在第一接合位置中,第二棘爪的第一端部与另一个构件中的第三棘爪接合表面接合,在第二接合位置中,第二棘爪的第一端部与另一个构件中的第四棘爪接合表面接合,在脱离接合位置中,第二棘爪的第一端部与另一个构件脱离接合以允许内外构件之间的相对转动。 The second pawl has a first end portion and a second end portion, and the second pawl is configured to rotate about a third rotation axis so that the first end portion of the second pawl can be engaged at the first Between a position, a second engaged position, and a disengaged position in which a first end portion of a second pawl is engaged with a third pawl engagement surface in another member, in a second engaged position , The first end portion of the second pawl is engaged with a fourth pawl engagement surface of the other member, and in the disengaged position, the first end portion of the second pawl is disengaged from the other member to allow the inner and outer members to Relative rotation. The clutch also includes a second pair of magnets disposed at a second end of the second pawl. Each of the second pair of magnets defines a magnetic pole adjacent the second end of the second pawl. The poles of the second pair of magnets have opposite polarities. 产生具有第一极性的第一电磁场和具有与第一极性相反的第二极性的第二电磁场。 The clutch also includes an electromagnetic actuator configured to selectively generate a first electromagnetic field having a first polarity and a second electromagnetic field having a second polarity opposite to the first polarity. The first electromagnetic field forces the first and second pawls out of the disengaged position to the first engaged position to drive another member to rotate in the first direction of rotation, and the second electromagnetic field forces the first and second pawls out of the disengaged position to The second engagement position drives the other member to rotate in a second direction opposite to the first direction.
The two-way clutch according to the present invention is advantageous over conventional clutches because the clutch has relatively fewer components and therefore lower complexity and lower cost than conventional clutches. The clutch of the present invention is also advantageous in that the pawl movement in the clutch is controlled without physically contacting the pawl, thereby reducing heat generation in the clutch and debris generated due to wear between the contact parts.

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