WO2018094853A1 - 用于汽车尾门的电动自吸锁 - Google Patents

用于汽车尾门的电动自吸锁 Download PDF

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Publication number
WO2018094853A1
WO2018094853A1 PCT/CN2017/000112 CN2017000112W WO2018094853A1 WO 2018094853 A1 WO2018094853 A1 WO 2018094853A1 CN 2017000112 W CN2017000112 W CN 2017000112W WO 2018094853 A1 WO2018094853 A1 WO 2018094853A1
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Prior art keywords
lock
block
self
abutting portion
opening
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PCT/CN2017/000112
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English (en)
French (fr)
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潘微杰
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潘微杰
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Publication of WO2018094853A1 publication Critical patent/WO2018094853A1/zh

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    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B79/00—Mounting or connecting vehicle locks or parts thereof
    • E05B79/10—Connections between movable lock parts
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/24—Power-actuated vehicle locks characterised by constructional features of the actuator or the power transmission
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B83/00—Vehicle locks specially adapted for particular types of wing or vehicle
    • E05B83/16—Locks for luggage compartments, car boot lids or car bonnets

Definitions

  • the invention relates to a lock, in particular to an electric self-priming lock applied to a tailgate of a motor vehicle.
  • tailgate locks are disclosed in the prior art, such as the Chinese invention patent application No. 201310067623.6, "Electric Control Vehicle Tail Door Lock Body Device” (Application Publication No. CN103174342A), wherein the tailgate lock ring Pushing the ratchet, the ratchet rotates to a certain angle to engage the pawl, the door is locked; the console unlocks the signal to the unlocking motor, the unlocking motor pushes the pawl, the pawl rotates at a certain angle and the ratchet disengages the position, the door lock opens; when the appliance fails When the lock cannot be opened, the pawl is pulled by manually manipulating the toggle arm to disengage the pawl from the ratchet, thereby opening the door lock.
  • the above-mentioned tailgate lock has a complicated structure, a large overall volume, and a relatively large space for installation. At the same time, the tailgate is closed only by the engagement of the ratchet and the pawl, and sometimes the tailgate is not completely closed, and the tailgate is completely closed. More difficult problems. Therefore, improvement is needed.
  • the technical problem to be solved by the present invention is to provide an electric self-priming lock for a vehicle tailgate that is compact and reliable in view of the above-mentioned state of the art.
  • Still another technical problem to be solved by the present invention is to provide an electric self-priming lock for a tailgate of a vehicle that can be manually opened in a special case.
  • an electric self-priming lock for a tailgate of a vehicle characterized in that it comprises
  • a cover plate disposed on the port of the foregoing housing and having a first locking port for the hook to be inserted;
  • lock block rotatably disposed in the housing and having a second lock port, the lock block having a first lever portion
  • a first spring disposed in the housing for resetting the lock block
  • the opening and closing block is rotatably disposed in the housing and has a second lever portion
  • a second spring disposed in the housing for resetting the opening and closing block
  • a shifting fork is rotatably disposed in the casing and connected to a power output end of the electric actuator, and the fork is located between the first lever portion and the second lever portion and can respectively drive the first lever portion And the second lever portion rotates.
  • a first micro switch and a second micro switch each connected to the electric actuator are provided in the housing, and the first micro switch has an extended first contact, the second micro switch And a second bump that protrudes from the first contact and a second bump that cooperates with the second contact.
  • the electric actuator comprises a motor and a speed reducer connected to the motor, and the motor is provided with a sensor, and the fork is connected to the power output end of the speed reducer. It does not require the use of complicated structures such as steel wires, and is compact and reasonable.
  • the senor is a magnetic ring rotating bi-directional Hall sensor.
  • the housing is provided with a through hole, and the second lever portion of the opening and closing block protrudes from the through hole and can move back and forth in the through hole. In this way, the person can drive the second lever portion of the opening and closing block in the vehicle compartment to realize manual opening of the tailgate.
  • the lock block has a first abutting portion and a second abutting portion, and correspondingly, the opening and closing block has a third abutting portion, and the self-priming lock is in a semi-locked state, the foregoing
  • the three abutting portions are opposite to the first abutting portion to restrict the rotation of the lock block; when the self-priming lock is in the fully locked state, the third abutting portion and the first abutting portion can restrain the lock block from continuing to rotate.
  • the invention has the advantages that the lock block and the opening and closing block are driven by the fork, and the electric actuator realizes unlocking and locking, the overall structure is compact and reasonable, the space is small, and the cost is also reduced, and at the same time It can be replaced with different models to facilitate the promotion.
  • FIG. 1 is a schematic structural view of an embodiment of the present invention.
  • Figure 2 is an exploded assembly view of Figure 1.
  • FIG. 3 is a schematic enlarged view of the lock block of FIG. 2 from another perspective.
  • FIG. 4 is a schematic enlarged view of another opening and closing block of FIG. 2 .
  • Figure 5 is a rear elevational view of the housing of Figure 2.
  • Figure 6 is a schematic view showing the structure of the self-priming lock when the tailgate is completely closed.
  • Figure 7 is a schematic view showing the structure of the self-priming lock when the tailgate is opened.
  • Figure 8 is a schematic view showing the structure of the self-priming lock when the tailgate is fully opened.
  • Figure 9 is a schematic view showing the structure of the self-priming lock when the tailgate is half closed.
  • the electric self-priming lock for the tailgate of the automobile in the embodiment includes a casing 1a, a cover plate 2, a lock block 3, a first spring 61, an opening and closing block 5, and a second The spring 62, the first micro switch 7, the second micro switch 8, the motor 1 and the speed reducer 11.
  • the housing 1a has a hollow structure. As shown in FIG. 5, a through hole 11a is formed on one side of the housing 1a, and the cover 2 is disposed on the port of the housing 1a and has a first for the lock 10 of the tailgate of the automobile. Locking port 21.
  • the lock block 3 is rotatably disposed in the housing 1a and is formed with a second lock 32 having a first lever portion 31, a first abutting portion 34 and a second abutment.
  • the first bump 35 and the second bump 36 are formed on the lock block 3.
  • the first spring 61 is provided in the housing 1a for resetting the lock block 3.
  • the opening and closing block 5 is rotatably disposed in the housing 1a and has a second lever portion 51 and a third abutting portion 52.
  • the second lever portion 51 extends out of the through hole 11a of the housing 1a. And it can move back and forth in the through hole 11a.
  • the second spring 62 is provided in the housing 1a for resetting the opening and closing block 5.
  • the motor 1 and the speed reducer 11 constitute an electric actuator, the motor 1 and the speed reducer 11 are disposed outside the casing 1a, the speed reducer 11 is connected to the motor 1, and the motor 1 is provided with a sensor 12.
  • the sensor 12 can use a magnetic ring rotating bi-directional Hall sensor for detecting the running condition of the motor 1. Specifically, the motor 1 rotates one revolution and the Hall emits three or seven (1 to 12) pulse signals, and two Hall elements. Two signals are output, and the two pulse signals are made into a quarter phase difference (90 degree phase difference), thereby calculating the number of digital pulses up or down and the rotational speed of the motor 1 to reflect the operating condition and operating position of the device.
  • the shift fork 4 is rotatably disposed in the housing 1a and connected to the power output end of the speed reducer 11.
  • the shift fork 4 is located between the first shift lever portion 31 and the second shift lever portion 51 and can respectively drive the first dial The lever portion 31 and the second lever portion 51 rotate.
  • the first micro switch 7 and the second micro switch 8 are disposed in the housing 1a and are both connected to the motor 1, the first micro switch 7 has an extended first contact 71, and the second micro switch 8 has The protruding second contact 81, the first contact 71 can cooperate with the first bump 35, and the second bump 36 can cooperate with the second contact 81.
  • the first abutting portion 34 and the third abutting portion 52 can restrain the lock block 3 from continuing to rotate; when the self-priming lock is in the fully locked state, the second abutting portion 37 and the third abutting portion The abutment 52 can limit the rotation of the lock block 3 to continue.
  • the tailgate is closed, and the opening and closing block 5 is rotated counterclockwise by the second spring 62.
  • the third abutting portion 52 of the opening and closing block 5 catches the second abutting portion 37 of the lock block 3.
  • the lock block 3 is in the locked state.
  • the lock 10 of the tailgate of the automobile is caught in the first lock 21 of the cover 2 and the second lock 32 of the lock block 3, and the second bump 36 is pressed against the second
  • the second touch head 81 of the second micro switch 8 is closed, and the motor drive shift fork is moved to the original position.
  • the door opening process pressing the tailgate switch or pressing the remote control tailgate button, the motor 1 drives the fork to rotate clockwise, and the fork 4 acts on the second lever portion 51 of the opening and closing block 5 to open and close.
  • Block 5 rotates clockwise, then open and close block 5
  • the third abutting portion 52 is separated from the second abutting portion 37 of the lock block 3, the lock block 3 is rotated by the first spring 61, starts to open, the electric strut is opened, the tailgate is slowly opened, and the motor 1 is simultaneously Drive the fork counterclockwise to return to the original position.
  • the tailgate is fully opened, and the opening and closing block 5 is rotated counterclockwise by the second spring 62.
  • the first bump 35 and the first micro switch 7 are not in contact, and the second bump 36 is not in contact with the second micro switch 8.
  • the fork is in place.
  • the door closing process pressing the tailgate switch or pressing the remote control to open the tail button, the electric strut is moved downward, and the lock 10 of the tailgate hits the lock block 3, so that the lock block 3 rotates counterclockwise.
  • the first lever portion of the lock block 3 is rotated to the first gear state, the first bump 35 of the lock block 3 is in contact with the first touch head 71 of the first micro switch 7, and the first micro switch 7 is closed.
  • the motor 1 is signaled, and the motor 1 drives the fork to continue to rotate counterclockwise.
  • the second bump 36 is in contact with the second contact 81 of the second micro switch 8, the second micro switch 8 is closed, and the motor 1 drives the fork to return to the home position clockwise.
  • the second lever portion 51 of the opening and closing block 5 is rotated in the clockwise direction, and the lock block 3 is disengaged from the locking block 5, and is unlocked by the first spring 61.
  • the first micro switch off signal informs the motor to drive the shift fork
  • the second micro switch close signal informs the motor drive fork to return to the original position, and is the in-position signal that the lock block has been closed.

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  • Lock And Its Accessories (AREA)
  • Power-Operated Mechanisms For Wings (AREA)

Abstract

一种用于汽车尾门的电动自吸锁，包括壳体(1a)、盖板(2)、锁块(3)、第一弹簧(61)、开闭块(5)、第二弹簧(62)、电动执行机构及拨叉(4)，锁块(3)能转动地设于壳体(1a)内并成型有第二锁口(32)，该锁块(3)具有第一拨杆部(31)；开闭块(5)能转动地设于壳体(1a)内并具有第二拨杆部(51)；拨叉(4)能转动地设于壳体(1a)内并与电动执行机构的动力输出端连接，该拨叉(4)位于第一拨杆部(31)和第二拨杆部(51)之间并能分别驱动第一拨杆部(31)和第二拨杆部(51)转动。

Description

用于汽车尾门的电动自吸锁 技术领域
本发明涉及一种锁具，尤其涉及一种应用于汽车尾门上的电动自吸锁。
背景技术
传统的汽车尾门锁在使用过程中，需要通过拉丝或者连杆拉动或推动开启杠杆，由开启杠杆拨动尾门锁中的棘爪，棘爪与棘轮脱开口击合，尾门的锁扣可脱出，由此实现尾门锁解锁。拉丝通过外部电源带动执行器来驱动，最终执行器推动开启杠杆旋转进行解锁工作。
现有技术中公开了较多这类尾门锁，如申请号为201310067623.6的中国发明专利申请《电控汽车尾门锁体装置》(申请公布号为CN103174342A)，其中，尾门的锁扣环推动棘轮，棘轮旋转到一定角度与棘爪啮合，车门锁紧；控制台将开锁信号给开锁电机，开锁电机推动棘爪，棘爪旋转一定角度与棘轮脱离啮合位置，门锁打开；当电器失效无法打开锁时，通过手动操纵拨动臂拨动棘爪，使棘爪与棘轮脱离啮合位置，使门锁打开。
类似的还可以参考专利号为ZL201110321905.5的中国发明专利《汽车尾门锁》(授权公告号CN 102367715B)，申请号201510599984.4中国发明专利申请《汽车尾门锁开启机构》(申请公布号CN105113877A)等。
上述这类尾门锁，结构较为复杂，整体体积较大，安装较占空间，同时，仅通过棘轮与棘爪啮合来完成尾门的关闭，有时尾门关闭不彻底，会存在尾门完全关闭较为困难的问题。因此需要改进。
发明内容
本发明所要解决的技术问题是针对上述的技术现状而提供一种结构紧凑且可靠性佳的用于汽车尾门的电动自吸锁。
本发明所要解决的又一个技术问题是提供一种特殊情况下能手动开启的用于汽车尾门的电动自吸锁。
本发明解决上述技术问题所采用的技术方案为：一种用于汽车尾门的电动自吸锁，其特征在于包括
中空的壳体；
盖板，设于前述壳体的端口上并具有供锁钩放入的第一锁口；
锁块，能转动地设于前述壳体内并成型有第二锁口，该锁块具有第一拨杆部；
第一弹簧，设于前述壳体内用于前述锁块的复位；
开闭块，能转动地设于前述壳体内并具有第二拨杆部；
第二弹簧，设于前述壳体内用于前述开闭块的复位；
电动执行机构，设于前述壳体外侧，该电动执行机构设有传感器；以及
拨叉，能转动地设于前述壳体内并与前述电动执行机构的动力输出端连接，该拨叉位于前述第一拨杆部和第二拨杆部之间并能分别驱动第一拨杆部和第二拨杆部转动。
进一步地，所述壳体内设有均与电动执行机构控制连接的第一微动开关和第二微动开关，该第一微动开关具有伸出的第一触碰头，该第二微动开关具有伸出的第二触碰头，所述的锁块上成型有与前述第一触碰头配合的第一凸点及与前述第二触碰头配合的第二凸点。
作为优选，所述的电动执行机构包括电机及与电机连接的减速器，所述的电机上设有传感器，所述的拨叉则与减速器的动力输出端连接。无需使用钢丝等复杂结构，紧凑合理。
作为优选，所述的传感器为磁环转动双向霍尔传感器。
所述的壳体开设有通孔，所述开闭块的第二拨杆部伸出该通孔并能在通孔内来回移动。这样人可以在车厢内驱动开闭块的第二拨杆部，来实现手动开启尾门。
进一步地，所述的锁块上具有第一抵靠部和第二抵靠部，对应地，所述开闭块上具有第三抵靠部，自吸锁处于半锁定状态下，前述的第三抵靠部与第一抵靠部相抵能限制锁块继续转动；自吸锁处于完全锁定状态下，前述的第三抵靠部与第一抵靠部相抵能限制锁块继续转动。
与现有技术相比，本发明的优点在于：通过拨叉来驱动锁块和开闭块，并电动执行机构实现开锁和锁住，整体结构紧凑合理，空间较小，成本也得到降低，同时，可以随不同车型更换安装板即可，便于推广。
附图说明
图1为本发明实施例的结构示意图。
图2为图1的分解装配图。
图3为图2中锁块另一视角放大结构示意图。
图4为图2中开闭块另一视角放大结构示意图。
图5为图2中壳体背面视图。
图6为尾门完全关闭状态时自吸锁结构示意图。
图7为尾门开启时自吸锁结构示意图。
图8为尾门完全开启状态时自吸锁结构示意图。
图9为尾门半关闭状态时自吸锁结构示意图。
具体实施方式
以下结合附图实施例对本发明作进一步详细描述。
如图1和图2所示，本实施例中的用于汽车尾门的电动自吸锁，包括壳体1a、盖板2、锁块3、第一弹簧61、开闭块5、第二弹簧62、第一微动开关7、第二微动开关8、电机1及减速器11。
壳体1a为中空结构，结合图5所示，壳体1a一侧开设有通孔11a，盖板2设于壳体1a的端口上并具有供汽车尾门的锁扣10放入的第一锁口21。
结合图3所示，锁块3能转动地设于壳体1a内并成型有第二锁口32，该锁块3具有第一拨杆部31、第一抵靠部34和第二抵靠部37，锁块3上成型有第一凸点35和第二凸点36。第一弹簧61设于壳体1a内用于锁块3的复位。
结合图4所示，开闭块5能转动地设于壳体1a内并具有第二拨杆部51和第三抵靠部52，第二拨杆部51伸出壳体1a的通孔11a并能在通孔11a内来回移动。第二弹簧62设于壳体1a内用于开闭块5的复位。
电机1及减速器11构成电动执行机构，电机1和减速器11设于壳体1a外侧，减速器11与电机1连接，电机1上设有传感器12。传感器12可以采用磁环转动双向霍尔传感器，用来检测电机1运行状况，具体地，电机1转动一圈霍尔发出3个或7个(1～12个)脉冲信号，2个霍尔元件出来2个信号，让2个脉冲信号成四分之一相位差(90度相位差)，从而计算出向上或向下的数字脉冲数量和电机1转动的圈速，反映装置运行状况和运行位置
拨叉4能转动地设于壳体1a内并与减速器11的动力输出端连接，该拨叉4位于第一拨杆部31和第二拨杆部51之间并能分别驱动第一拨杆部31和第二拨杆部51转动。
第一微动开关7和第二微动开关8设于壳体1a内并均与电机1控制连接，第一微动开关7具有伸出的第一触碰头71，第二微动开关8具有伸出的第二触碰头81，第一触碰头71能与第一凸点35配合，第二凸点36能与第二触碰头81配合。
自吸锁处于半锁定状态下，第一抵靠部34与第三抵靠部52相抵能限制锁块3继续转动；自吸锁处于完全锁定状态下，第二抵靠部37与第三抵靠部52相抵能限制锁块3继续转动。
如图6所示为尾门关闭状态，开闭块5受第二弹簧62作用逆时针转动，这时开闭块5的第三抵靠部52扣住锁块3的第二抵靠部37，锁块3位于锁定状态，此时，汽车尾门的锁扣10卡入在盖板2的第一锁口21及锁块3的第二锁口32内，第二凸点36压住第二微动开关8的第二触碰头81，第二微动开关8关闭，电机驱动拨叉移动至原位。
如图7所示，开门动作过程：按尾门开关或按遥控开尾门键，电机1驱动拔叉顺时针转动，拨叉4作用于开闭块5的第二拨杆部51，开闭块5顺时针转动，这时开闭块5 的第三抵靠部52与锁块3的第二抵靠部37分离，锁块3在第一弹簧61作用下转动，开始打开，电动撑杆开起，尾门缓缓打开，同时电机1驱动拔叉逆时针转动回到原位。
如图8所示为尾门完全开启状态，开闭块5在第二弹簧62作用下逆时针转动。这时第一凸点35和第一微动开关7未接触，第二凸点36与第二微动开关8未接触。拨叉在原位。
如图9所示，关门动作过程：按尾门开关或按遥控器开尾门键，电动撑杆向下动作，尾门的锁扣10撞向锁块3，让锁块3逆时针旋转，锁块3的第一拨杆部旋转至一档状态，锁块3的第一凸点35与第一微动开关7的第一触碰头71接触，第一微动开关7闭合。信号通知电机1，电机1驱动拔叉逆时针继续转动。第二凸点36与第二微动开关8的第二触碰头81接触，第二微动开关8闭合，电机1驱动拨叉顺时针回到原位。同时开闭块5的第二拨杆部51受第二弹簧62作用，逆时针转动，开闭块5的第三抵靠部52与锁块3的第一抵靠部34扣住。
手动操作，拨动开闭块5的第二拨杆部51顺时针方向转动，锁块3的脱离闭锁块5，并在第一弹簧61作用下处于开锁状态。
这里的第一微动开关关闭信号通知电机驱动拨叉，第二微动开关关闭信号通知电机驱动拨叉回到原位，并且是锁块已闭合的到位信号。

Claims (6)

  1. 一种用于汽车尾门的电动自吸锁，其特征在于包括
    中空的壳体(1a)；
    盖板(2)，设于前述壳体(1a)的端口上并具有供汽车尾门的锁扣(10)放入的第一锁口(21)；
    锁块(3)，能转动地设于前述壳体(1a)内并成型有第二锁口(32)，该锁块(3)具有第一拨杆部(31)；
    第一弹簧(61)，设于前述壳体(1a)内用于前述锁块(3)的复位；
    开闭块(5)，能转动地设于前述壳体(1a)内并具有第二拨杆部(51)；
    第二弹簧(62)，设于前述壳体(1a)内用于前述开闭块(5)的复位；
    电动执行机构，设于前述壳体(1a)外侧，该电动执行机构设有传感器(12)：以及
    拨叉(4)，能转动地设于前述壳体(1a)内并与前述电动执行机构的动力输出端连接，该拨叉(4)位于前述第一拨杆部(31)和第二拨杆部(51)之间并能分别驱动第一拨杆部(31)和第二拨杆部(51)转动。
  2. 根据权利要求1所述的电动自吸锁，其特征在于所述壳体(1a)内设有均与电动执行机构控制连接的第一微动开关(7)和第二微动开关(8)，该第一微动开关(7)具有伸出的第一触碰头(71)，该第二微动开关(8)具有伸出的第二触碰头(81)，所述的锁块(3)上成型有与前述第一触碰头(71)配合的第一凸点(35)及与前述第二触碰头(81)配合的第二凸点(36)。
  3. 根据权利要求1所述的电动自吸锁，其特征在于所述的电动执行机构包括电机(1)及与电机(1)连接的减速器(11)，所述的电机(1)上设有传感器(12)，所述的拨叉(4)则与减速器(11)的动力输出端连接。
  4. 根据权利要求1或3所述的电动自吸锁，其特征在于所述的传感器(12)为磁环转动双向霍尔传感器。
  5. 根据权利要求1所述的电动自吸锁，其特征在于所述的壳体(1a)开设有通孔(11a)，所述开闭块(5)的第二拨杆部(51)伸出该通孔(11a)并能在通孔(11a)内来回移动。
  6. 根据权利要求1所述的电动自吸锁，其特征在于所述的锁块(3)上具有第一抵靠部(34)和第二抵靠部(37)，对应地，所述开闭块(5)上具有第三抵靠部(52)，自吸锁处于半锁定状态下，前述的第三抵靠部(52)与第一抵靠部(34)相抵能限制锁块(3)继续转动；自吸锁处于完全锁定状态下，前述的第三抵靠部(52)与第一抵靠部(34)相抵能限制锁块(3)继续转动。
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CN108915426A (zh) * 2018-09-11 2018-11-30 浙江威衡智能传动有限公司 汽车自吸门锁
CN110195549A (zh) * 2019-07-15 2019-09-03 金湖怡众控制***有限公司 电动外摆门***
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