CN101247976B - 电磁分离机构 - Google Patents

电磁分离机构 Download PDF

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Publication number
CN101247976B
CN101247976B CN2006800256789A CN200680025678A CN101247976B CN 101247976 B CN101247976 B CN 101247976B CN 2006800256789 A CN2006800256789 A CN 2006800256789A CN 200680025678 A CN200680025678 A CN 200680025678A CN 101247976 B CN101247976 B CN 101247976B
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breakaway
electro
bar
release mechanism
recess
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CN101247976A (zh
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N·J·卡尔德维尔
F·R·麦金帝雷
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MALTIMATIK CO
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MALTIMATIK CO
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/34—Protecting non-occupants of a vehicle, e.g. pedestrians
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
    • B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/13—Roll-over protection
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/13—Roll-over protection
    • B60R2021/132—Roll bars for convertible vehicles
    • B60R2021/134—Roll bars for convertible vehicles movable from a retracted to a protection position
    • B60R2021/135—Roll bars for convertible vehicles movable from a retracted to a protection position automatically during an accident
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/32—Buckles, buttons, clasps, etc. having magnetic fastener
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00—Closure fasteners
    • Y10T292/11—Magnetic
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00—Closure fasteners
    • Y10T292/14—Ball
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/70—Operating mechanism
    • Y10T70/7051—Using a powered device [e.g., motor]
    • Y10T70/7057—Permanent magnet

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electromagnets (AREA)
  • Springs (AREA)
  • Steering Control In Accordance With Driving Conditions (AREA)
  • Fluid-Damping Devices (AREA)
  • Mechanical Operated Clutches (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Fuel-Injection Apparatus (AREA)

Abstract

一种电磁机构包括：弹簧操作杆(1)，该杆具有凹处(1a)；以及闭锁元件(2)，该闭锁元件可配合在凹处中以阻止杆的移动。在分离元件(4)的第一位置中，该分离元件固定配合在凹处(1a)中的闭锁元件，而在分离元件(4)的第二位置中，该分离元件允许闭锁元件从凹处脱开。磁体(5)用于将分离元件固定在第一位置，并且该机构包括诸如弹簧(7)之类的用于将分离元件(4)推动至第二位置的装置。线圈设置成使磁体(5)退磁而至少使分离元件移动至第二位置，闭锁元件(2)从凹处(1a)脱开，且杆(1)藉由弹簧力而轴向移动。

Description

电磁分离机构
技术领域
本发明涉及一种用于弹簧操作杆的电磁分离机构。
背景技术
诸如机动车上的行人保护***之类的可复位机构需要非常快的响应时间。
发明内容
本发明旨在提供一种用于弹簧操作杆的电磁分离机构，在该弹簧操作杆中，电致动脉冲和杆分离之间的时间延迟得以最小化。
本发明提供了一种电磁分离机构，该电磁分离机构包括：弹簧操作杆，该杆具有凹处；闭锁元件，该闭锁元件可配合在所述凹处中以阻止所述杆的移动；分离元件，在所述分离元件的第一位置中，所述分离元件固定配合在所述凹处中的所述闭锁元件，而在所述分离元件的第二位置中，所述分离元件允许所述闭锁元件从所述凹处脱开；磁体，该磁体用于将所述分离元件固定在所述第一位置；用于将所述分离元件推动至所述第二位置的装置；以及用于施加与所述磁体施加的磁通量相反的磁通量的装置，该装置施加与所述磁体施加的磁通量相反的磁通量，以减小净磁通量而至少使所述分离元件移动至所述第二位置，所述闭锁元件从所述凹处脱开，且所述杆藉由弹簧力而轴向移动。
附图说明
现在将仅仅借助示例、参照附图来更详细地描述本发明，该单幅附图是根据本发明的实施例的机构的示意剖视图。
具体实施方式
如图所示，带有环形槽1a的弹簧致动杆1由作用在槽和反应管3之间的球2保持在压缩位置，其中球位于横向的孔3a中。槽1a构型成：在球上有一净的径向力，这些球被环形分离套环4阻止在锁定位置，从而将这些球固定在如下位置：它们将轴向负载从杆传送到反应管。
环形分离套环具有内型面4a，一旦套环轴向移动，该内型面4a就允许这些球径向向外移动，因此脱开凹槽1a并分离弹簧操作杆。
在锁定位置，环形套环由磁路来保持，在该磁路中，磁通量是由永磁体5来驱动的，它通过磁通量集中器6、环形分离套环4和反应管3，从而返回至永磁体5的另一极以完成回路。所有这些部件都是由铁磁材料制成的以减小磁阻。不管机械弹簧7的影响如何，在磁通量集中环和环形分离套环之间产生的力都足以固定套环并使机构保持锁定，该机械弹簧7是压缩的且用来将套环推动到分离位置。
通过将电流施加至线圈8，磁路中的磁通量就减小到套环和磁通量集中环之间的磁感应力小于加载的弹簧7的力的值。在这一瞬时，环形分离套环将加速且移动至分离位置。一旦分离套环已完成其轴向移动，这些球就会被来自杆上槽缘处的力的径向分量径向向外推动。然后，杆就能在其弹簧能的影响下平移。
通过压下杆来使机构复位。刚性地附连至杆1的再接合套环9将分离套环4移回图中所示的锁定位置，从而球2与槽1a再接合，分离套环4压缩弹簧7并再次被永磁回路固定。
这种设计的一变型是，使用杆弹簧，以借助在环形分离套环的内腔上使用更加复杂的型面4a来驱动分离套环，从而在锁定位置中，这些球在环形分离套环上施加与永磁体的力相反的力。这样，就可免去弹簧7同时又可减少在复位过程中动作的数量。
在该说明书和所附权利要求书中使用的术语“弹簧”包括气弹簧。

Claims (10)

1.一种电磁分离机构，包括：弹簧操作杆，该杆具有凹处；闭锁元件，该闭锁元件可配合在所述凹处中以阻止所述杆的移动；分离元件，在所述分离元件的第一位置中，所述分离元件固定配合在所述凹处中的所述闭锁元件，而在所述分离元件的第二位置中，所述分离元件允许所述闭锁元件从所述凹处脱开；磁体，该磁体用于将所述分离元件固定在所述第一位置；用于将所述分离元件推动至所述第二位置的装置；以及用于施加与所述磁体施加的磁通量相反的磁通量的装置，该装置施加与所述磁体施加的磁通量相反的磁通量，以减小净磁通量而至少使所述分离元件移动至所述第二位置，所述闭锁元件从所述凹处脱开，且所述杆藉由弹簧力而轴向移动。
2.如权利要求1所述的电磁分离机构，其特征在于，所述闭锁元件呈球的形式。
3.如权利要求1或2所述的电磁分离机构，其特征在于，具有多个闭锁元件。
4.如权利要求1或2所述的电磁分离机构，其特征在于，所述凹处形成绕所述杆延伸的环形槽。
5.如权利要求1所述的电磁分离机构，其特征在于，包括环形元件，所述杆设置成移动通过该环形元件，所述环形元件包括容纳所述闭锁元件的一部分的通孔。
6.如权利要求1所述的电磁分离机构，其特征在于，所述分离元件形成为套环，该套环围绕所述杆，可相对于所述杆滑动，且具有用于在所述分离元件的所述第二位置中接纳所述闭锁元件的分离凹处。
7.如权利要求1所述的电磁分离机构，其特征在于，所述用于施加磁通量的装置包括线圈，电流能够流过该线圈。
8.如权利要求1所述的电磁分离机构，其特征在于，所述推动装置包括弹簧。
9.如权利要求8所述的电磁分离机构，其特征在于，所述弹簧设置成作用在所述分离元件上。
10.如权利要求1所述的电磁分离机构，其特征在于，所述杆具有刚性地附连至其的再接合套环，所述杆沿着与所述弹簧力相对的方向的移动引起所述再接合套环将所述分离元件从所述第二位置移动至所述第一位置。
CN2006800256789A 2005-07-13 2006-07-13 电磁分离机构 Expired - Fee Related CN101247976B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB0514373A GB0514373D0 (en) 2005-07-13 2005-07-13 Electro-magnetic release mechanism for spring actuated plunger
GB0514373.0 2005-07-13
PCT/GB2006/002600 WO2007007109A1 (en) 2005-07-13 2006-07-13 Electro-magnetic release mechanism

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CN101247976A CN101247976A (zh) 2008-08-20
CN101247976B true CN101247976B (zh) 2012-11-28

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US (1) US8083274B2 (zh)
EP (1) EP1901945B1 (zh)
JP (1) JP4944108B2 (zh)
KR (1) KR101052632B1 (zh)
CN (1) CN101247976B (zh)
AT (1) ATE501005T1 (zh)
AU (1) AU2006268102B2 (zh)
BR (1) BRPI0613485B1 (zh)
CA (1) CA2614263C (zh)
DE (1) DE602006020569D1 (zh)
ES (1) ES2361391T3 (zh)
GB (1) GB0514373D0 (zh)
MX (1) MX2008000433A (zh)
WO (1) WO2007007109A1 (zh)

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KR101052632B1 (ko) 2011-07-28
MX2008000433A (es) 2008-03-14
ES2361391T3 (es) 2011-06-16
CA2614263A1 (en) 2007-01-18
DE602006020569D1 (de) 2011-04-21
AU2006268102B2 (en) 2012-02-02
ATE501005T1 (de) 2011-03-15
EP1901945B1 (en) 2011-03-09
AU2006268102A1 (en) 2007-01-18
GB0514373D0 (en) 2005-08-17
CA2614263C (en) 2015-06-23
BRPI0613485A2 (pt) 2011-05-31
BRPI0613485B1 (pt) 2017-05-23
KR20080036987A (ko) 2008-04-29
WO2007007109A1 (en) 2007-01-18
EP1901945A1 (en) 2008-03-26
JP2009501305A (ja) 2009-01-15
CN101247976A (zh) 2008-08-20
JP4944108B2 (ja) 2012-05-30
US8083274B2 (en) 2011-12-27
US20080258484A1 (en) 2008-10-23

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