CN112878818B - Lock opening and closing device for automobile tail door - Google Patents

Lock opening and closing device for automobile tail door Download PDF

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Publication number
CN112878818B
CN112878818B CN202110031770.2A CN202110031770A CN112878818B CN 112878818 B CN112878818 B CN 112878818B CN 202110031770 A CN202110031770 A CN 202110031770A CN 112878818 B CN112878818 B CN 112878818B
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shell
conductive
magnet
electrically connected
elastic
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CN112878818A (en
Inventor
郭大洲
陈钲金
陈伟才
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Zhejiang Zero Run Technology Co Ltd
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Zhejiang Zero Run Technology Co Ltd
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Publication of CN112878818A publication Critical patent/CN112878818A/en
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    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B77/00—Vehicle locks characterised by special functions or purposes
    • E05B77/14—Specially controlled locking actions in case of open doors or in case of doors moved from an open to a closed position, e.g. lock-out prevention or self-cancelling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J5/00—Doors
    • B60J5/10—Doors arranged at the vehicle rear
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/02—Power-actuated vehicle locks characterised by the type of actuators used
    • E05B81/04—Electrical
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/02—Power-actuated vehicle locks characterised by the type of actuators used
    • E05B81/04—Electrical
    • E05B81/08—Electrical using electromagnets or solenoids
    • 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
    • E05B83/18—Locks for luggage compartments, car boot lids or car bonnets for car boot lids or rear luggage compartments
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B85/00—Details of vehicle locks not provided for in groups E05B77/00 - E05B83/00
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/14—Plug-in electric vehicles

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lock And Its Accessories (AREA)

Abstract

The invention discloses an automobile tail door lock opening and closing device which comprises a shell fixedly arranged at the bottom end of an automobile tail box, wherein the shell is provided with a socket used for matching a telescopic elastic buffer rod, a control module electrically connected with an automobile central control system, an inverter group electrically connected with the control module, a latch structure used for latching the telescopic elastic buffer rod and an ejection structure used for ejecting the telescopic elastic buffer rod are arranged in the shell, the power input end of the latch structure is electrically connected with the inverter group, and the power input end of the ejection structure is electrically connected with the inverter group. The device is through setting up ejection mechanism and locating the mechanism and have elastic plug-in components by oneself, once opens the back when the tail-gate, is ejecting a short distance, and plug-in components activity draw-in groove width is the ejecting maximum distance of tail-gate in the draw-in groove seat, even the tail-gate falls from the high-order once more and can not lock again.

Description

Lock opening and closing device for automobile tail door
Technical Field
The invention relates to the technical field of automobile accessories, in particular to an automobile tail door opening and closing lock device.
Background
With the development of technology and the progress of technology, automobiles are more and more popular, and simultaneously, the competition is more and more intense. Each host plant also places higher demands on the control of the cost of the automotive components. The tailgate, one of the important opening and closing of the automobile, not only meets the needs of the model, but also provides the safety and convenience for the consumers to access the luggage and the goods. After a general car owner opens the tail gate through a central control system or a key, the car can be closed along with the car door, when the car door is closed, air outside the car is compressed into the car, air pressure inside the car is higher than air pressure outside the car, and force pushing the tail gate outwards can be generated, but the force is not enough to push the tail gate away from a high position, the tail gate is quickly and quickly locked in a short-distance falling mode due to the fact that the force disappears, the car owner needs to operate again to open the tail gate, and unnecessary trouble is brought to the car owner when going out.
Chinese patent, publication No.: CN107687301A, published: the invention discloses an electromagnetic lock switch mechanism in 2018, 2 and 13 months, and particularly relates to a lock of an automobile trunk. In order to earn profit, a switch mechanism of the lock is unlocked by a plastic gear pushing and pulling lock tongue mechanism driven by a motor, and after the lock is used for 3 years, the switch is insensitive due to aging of the plastic gear. The invention replaces a motor lock to drive a plastic gear pulling and pushing lock tongue mechanism to unlock by skillfully combining an electromagnet and neodymium-iron-boron strong magnetism. The opening and closing times of the unlocking mechanism exceed one thousand times, the service life of the unlocking mechanism is matched with that of the whole automobile, resources are effectively saved, and the use timeliness of the product is improved. The device changes the traditional motor lock into an electromagnetic lock, improves the durability of the lock, but does not overcome the problem of re-locking of the tail gate caused by rapid closing of the door.
Disclosure of Invention
The invention aims to solve the problem that the traditional tail gate lock cannot avoid the re-locking of the tail gate due to the rapid closing of the gate. The device is provided with an elastic plug-in unit by arranging an ejection mechanism and a parallel mechanism, the plug-in unit is ejected out by a small distance after the tail door is opened once, and the width of a movable clamping groove of the plug-in unit in a clamping groove seat is the maximum distance ejected out by the tail door, so that the tail door cannot be locked again even if falling down from a high position again.
In order to achieve the technical purpose, the invention provides a technical scheme that the automobile tail door opening and closing device comprises a shell fixedly arranged at the bottom end of an automobile tail box, wherein the shell is provided with a socket used for matching with a telescopic elastic buffer rod, a control module electrically connected with an automobile central control system, an inverter group electrically connected with the control module, a latch structure used for latching the telescopic elastic buffer rod and an ejection structure used for ejecting the telescopic elastic buffer rod are arranged in the shell, the power input end of the latch structure is electrically connected with the inverter group, and the power input end of the ejection structure is electrically connected with the inverter group.
In this scheme, the car owner sends through central control system and opens the tail-gate instruction, control module receives the order and gives the latch structure circular telegram back, scalable elastic buffer pole can be by ejecting structure ejecting one end distance that makes progress, the tail-gate is the unblock promptly, at this moment, control module cuts off the power supply promptly after receiving an instruction, switch locking device is in the power failure state, after the tail-gate that the door leads to falls down once more behind the car owner closes the front truck, because ejecting structure remains one section tail-gate because the door closes the distance of ascending, scalable elastic buffer pole is contradicted always with the top of ejecting structure, consequently scalable elastic buffer pole can not fall the shutting position owing to the joint effect of plug-in components.
Preferably, the latch structure comprises an elastic telescopic part and a first attraction structure, a through hole for the elastic telescopic part to penetrate through is formed in the side wall of the insertion hole, the first attraction structure is used for attracting the elastic penetration part after being electrified, the attraction structure comprises a first magnet, a supporting rod for fixing the first magnet and a first conducting wire uniformly wound on the first magnet, and two ends of the conducting wire are electrically connected with the converter group.
In this scheme, control module receives the command line of unblanking that central control system sent, and control module control converter produces heavy current in the twinkling of an eye, and first wire evenly twines produces big magnetic action in the twinkling of an eye on first magnet, and the plug-in components is worn to actuation elasticity, can realize that elasticity is worn the plug-in components and remove one section distance, realizes unblanking.
Preferably, the elastic telescopic part comprises a first fixed sleeve arranged on the outer ring of the through hole, a first movable sleeve movably connected with the first fixed sleeve, and a second movable sleeve elastically connected with the first movable sleeve; first movable sleeve and second movable sleeve pass through expanding spring and connect, the one end of first movable sleeve is provided with first iron plate, first wire circular telegram causes first magnet and iron plate actuation, be provided with the first spring that is used for the reply effect between first iron plate and the through-hole, first spring cup joints the outer lane at first fixed cover.
In this scheme, after first magnet and iron plate actuation, the second movable sleeve is not in the jack of deepening scalable elastic buffer pole, and scalable elastic buffer pole can reciprocate.
Preferably, the ejection structure comprises a first clamping groove seat and a second clamping groove seat which are arranged on two sides of the socket, a base arranged at the bottom end of the socket, an ejection mechanism movably connected with the base, a first elastic plug-in unit arranged on the ejection mechanism and clamped with the first clamping groove seat, and a second elastic plug-in unit clamped with the second clamping groove seat.
In the scheme, the first slot clamping seat and the second slot clamping needle are respectively reserved with a slot clamping hole matched with the telescopic elastic buffer rod and capable of moving upwards in an unnatural mode, the size of the slot clamping hole is larger than the distance of the telescopic elastic buffer rod and capable of moving upwards in an unnatural mode, the unnatural upward distance is superior to the distance difference of tail doors which are caused by the fact that front and rear doors are closed quickly and then fall quickly, the elastic plug-in units can move up and down in the slot clamping holes, and the slot clamping holes limit the elastic plug-in units.
Preferably, the pop-up mechanism includes a first housing accommodating the conductive switch and a second housing slidably connected to the base, the bottom surface of the first housing is connected to the bottom end of the base through a second spring, the first housing and the second housing can be fixedly connected to each other, the conductive switch includes a conductive block and conductive arms symmetrically arranged on the inner side wall of the first housing, and the lower end of the conductive block is connected to the bottom end of the first housing through a third spring symmetrically arranged.
In this scheme, because the distance that scalable elastic buffer pole nature ascended matches with the size of card slotted hole for first casing follows scalable elastic buffer pole and reciprocates.
Preferably, the first elastic plug-in unit and the second elastic plug-in unit have the same structure, a plug-in unit accommodating cavity is arranged in the second shell, and the first elastic plug-in unit comprises a second magnet arranged on the side wall of the plug-in unit accommodating cavity, a second conducting wire uniformly wound on the second magnet, a second fixed sleeve arranged on the inner wall of the second shell, a push rod slidably connected with the second fixed sleeve and inserted through the shell of the second shell, and a second iron block arranged at the top end of the push rod and capable of being connected with the second magnet in an attracting manner; and the fourth spring is arranged between the second iron block and the second shell and sleeved on the second fixing sleeve, one end of the second lead is electrically connected with the converter, and the other end of the second lead is electrically connected with one conductive arm.
In this scheme, in-process that scalable elastic buffer pole reciprocated is followed to first casing, the second wire does not switch on, the elastic plug-in components stretches out and extends straight card slot hole and carry out the screens and spacing, after the car owner manually promoted the tail-gate to a section distance, the second wire switches on by oneself, second magnet actuation second iron plate makes the push rod withdraw out the card slot hole, the second spring resumes initial position, when the car owner closed the tail-gate by oneself, scalable elastic buffer pole once more contacts with first casing, the second wire opens circuit, the push rod pops out once more, nevertheless this moment because the second spring resumes initial position, the push rod can not stretch into in the card slot hole.
Preferably, the conductive block comprises a first permanent magnet, a conductive tube is nested in the permanent magnet, a conductive metal wire is arranged in the conductive tube, and the conductive metal wire is connected with metal conductive heads at two ends of the conductive tube.
In the scheme, the first permanent magnet block is used for being attracted with the telescopic elastic buffer rod to achieve the function of opening and closing.
Preferably, the lower end of the telescopic elastic buffer rod is provided with a second permanent magnet, and the magnetic poles of the opposite surfaces of the second permanent magnet and the first permanent magnet are opposite.
In this scheme, paste the back when scalable elastic buffer pole and casing, first magnet and second magnet actuation for the second wire outage, after scalable elastic buffer pole and casing separation, first magnet and second magnet no longer actuation, and the third spring resumes original state, makes the second wire circular telegram.
The invention has the beneficial effects that: according to the automobile tail door opening and closing device, the ejection mechanism and the combining mechanism are provided with the elastic plug-in units, when the tail door is opened once, the tail door is ejected out for a small distance, the width of the movable clamping groove of the plug-in units in the clamping groove seats is the maximum distance for ejecting the tail door, and the tail door cannot be locked again even if falling down from a high position again.
Drawings
Fig. 1 is a schematic structural diagram of a locking state of the locking and unlocking device for the automobile tail gate of the present invention.
Fig. 2 is a schematic structural diagram of an unlocked state of the locking and unlocking device for the automobile tail gate of the present invention.
Fig. 3 is a schematic structural view of the automobile tail gate switch lock device after the tail gate is completely opened.
Fig. 4 is a schematic structural diagram of an ejection mechanism of the locking and unlocking device for the rear door of the automobile according to the present invention.
The notation in the figure is: the device comprises a shell, a control module, a 12-converter set, a 2-telescopic elastic buffer rod, a 21-second permanent magnet, a 3-ejection structure, a 31-first shell, a 32-base, a 33-first clamping groove seat, a 34-second spring, a 35-conductive block, a 36-conductive arm, a 37-fourth spring, a 38-push rod, a 39-second magnet, a 41-first magnet, a 42-first lead, a 43-first fixed sleeve, a 44-first spring, a 45-first iron block and a 46-second movable sleeve.
Detailed Description
For the purpose of better understanding the objects, technical solutions and advantages of the present invention, the following detailed description of the present invention with reference to the accompanying drawings and examples should be understood that the specific embodiment described herein is only a preferred embodiment of the present invention, and is only used for explaining the present invention, and not for limiting the scope of the present invention, and all other embodiments obtained by a person of ordinary skill in the art without making creative efforts shall fall within the scope of the present invention.
As shown in fig. 1, an automobile tail gate lock opening and closing device includes a casing 1 fixedly disposed at the bottom end of an automobile tail box, the casing is provided with a socket for matching with a telescopic elastic buffer rod 2, a control module 11 electrically connected with an automobile central control system, an inverter group 12 electrically connected with the control module, a latch structure for latching the telescopic elastic buffer rod, and an ejection structure 3 for ejecting the telescopic elastic buffer rod are disposed in the casing, a power input end of the latch structure is electrically connected with the inverter group, and a power input end of the ejection structure is electrically connected with the inverter group.
In this embodiment, the car owner sends the instruction of opening the tail gate through central control system, after control module received the order and switched on for the latch structure, scalable elastic buffer pole can be by ejecting structure ejecting one end distance upwards, the tail gate is the unblock, at this moment, control module cuts off the power supply after receiving an instruction, the switch locking device is in the power-off state, after the tail gate that the car owner closed front car rear door and lead to falls down once more, because ejecting structure reserves one section tail gate and closes the ascending distance that leads to at the door rapidly, scalable elastic buffer pole and the top of ejecting structure are contradicted always because the effect of suction, therefore scalable elastic buffer pole can not fall to the shutting position because the joint effect of plug-in components, concrete maximum reservation distance can calculate according to the gas dynamics formula.
The bolt structure comprises an elastic telescopic piece and a first attraction structure, a through hole for the elastic telescopic piece to penetrate through is formed in the side wall of the insertion hole, the first attraction structure is used for attracting the elastic penetrating piece after being electrified, the attraction structure comprises a first magnet, a supporting rod used for fixing the first magnet 41 and a first conducting wire 42 uniformly wound on the first magnet, and two ends of the conducting wire are electrically connected with the converter set.
In this embodiment, the control module receives an unlocking command line sent by the central control system, the control module controls the converter to generate an instantaneous large current, the first wire is uniformly wound on the first magnet to generate an instantaneous large magnetic force, and the elastic plug-in component is attracted, so that the elastic plug-in component can move for a certain distance to realize unlocking.
The elastic telescopic part comprises a first fixed sleeve 43 arranged on the outer ring of the through hole, a first movable sleeve (not shown) movably connected with the first fixed sleeve, and a second movable sleeve 46 elastically connected with the first movable sleeve; first movable sleeve and second movable sleeve pass through expanding spring and connect, the one end of first movable sleeve is provided with first iron plate 45, first wire circular telegram causes first magnet and first iron plate actuation, be provided with the first spring 44 that is used for the reflex action between first iron plate and the through-hole, first spring cup joints the outer lane at first fixed cover.
In this embodiment, after the first magnet and the first iron block are attracted, the second movable sleeve does not go deep into the jack of the telescopic elastic buffer rod, and the telescopic elastic buffer rod can move up and down.
The ejection structure comprises a first clamping groove seat 33 and a second clamping groove seat which are arranged on two sides of the socket, a base arranged at the bottom end of the socket, an ejection mechanism movably connected with the base, a first elastic plug-in unit arranged on the ejection mechanism and clamped with the first clamping groove seat, and a second elastic plug-in unit clamped with the second clamping groove seat.
In this embodiment, the first slot seat and the second slot needle are both reserved with slot holes matching the unnatural upward movement of the retractable elastic buffer rod, the size of the slot holes is larger than the unnatural upward movement distance of the retractable elastic buffer rod, the unnatural upward movement distance is superior to the difference between the upward movement distance and the rapid downward movement distance of the tail door caused by the rapid closing of the front and rear doors, wherein the elastic plug-in units can move up and down in the slot holes, and the slot holes limit the elastic plug-in units.
The pop-up mechanism comprises a first shell 31 containing a conductive switch and a second shell (not shown) connected with a base 32 in a sliding mode, the bottom surface of the first shell is connected with the bottom end of the base through a second spring 34, the first shell and the second shell can be fixedly connected, the conductive switch comprises a conductive block 35 and conductive arms 36 symmetrically arranged on the inner side wall of the first shell, and the lower end of the conductive block is connected to the bottom end of the first shell through a third spring 37 symmetrically arranged.
In this embodiment, since the unnatural upward distance of the retractable elastic buffer rod is matched with the size of the slot hole, the first housing moves up and down along with the retractable elastic buffer rod.
The first elastic plug-in unit and the second elastic plug-in unit have the same structure, a plug-in unit accommodating cavity is arranged in the second shell, the first elastic plug-in unit comprises a second magnet 39 arranged on the side wall of the plug-in unit accommodating cavity, a second conducting wire (not shown) uniformly wound on the second magnet, a second fixing sleeve (not shown) arranged on the inner wall of the second shell, a push rod 38 slidably connected with the second fixing sleeve and inserted through the shell of the second shell, and a second iron block (not shown) arranged at the top end of the push rod and connected with the second magnet in an attracting manner; and a fourth spring (not shown) arranged between the second iron block and the second shell and sleeved on the second fixing sleeve, wherein one end of the second lead is electrically connected with the converter, and the other end of the second lead is electrically connected with one conductive arm.
In this embodiment, when the first casing follows the in-process that scalable elastic buffer pole reciprocated, the second wire does not switch on, the elastic plug-in components stretches out and extends straight slotted hole and carry out the screens and spacing, after the car owner manually promoted the tail-gate to a certain distance, the second wire switched on by oneself, second magnet actuation second iron plate made the push rod retract out the slotted hole, the initial position is resumeed to the second spring, when the car owner closed the tail-gate by oneself, scalable elastic buffer pole once more contacted with first casing, the second wire opens a circuit, the push rod pops out once more, but this moment because the second spring resumeed the initial position, the push rod can not stretch into the slotted hole downthehole.
The conductive block comprises a first permanent magnet, a conductive tube is nested in the permanent magnet, a conductive metal wire is arranged in the conductive tube, and the conductive metal wire is connected with metal conductive heads at two ends of the conductive tube.
In this embodiment, the first permanent magnet is used for attracting the retractable elastic buffer rod to realize the function of a switch.
The lower end of the telescopic elastic buffer rod is provided with a second permanent magnet block 21, and the magnetic poles of the opposite surfaces of the second permanent magnet block and the first permanent magnet block are opposite.
In this embodiment, after the elastic buffer rod is attached to the housing, the first magnet and the second magnet are attracted to power off the second wire, and after the elastic buffer rod is separated from the housing, the first magnet and the second magnet are not attracted any more, and the third spring returns to the original state to power on the second wire.
The above-mentioned embodiments are preferred embodiments of the locking device for a vehicle rear door of the present invention, and the scope of the present invention is not limited thereto, and the present invention includes and is not limited thereto, and all equivalent changes in shape and structure according to the present invention are within the protection scope of the present invention.

Claims (4)

1. A lock opening and closing device for an automobile tail door is characterized by comprising a shell fixedly arranged at the bottom end of an automobile tail box, wherein the shell is provided with a socket used for matching a telescopic elastic buffer rod, a control module electrically connected with an automobile central control system, an inverter group electrically connected with the control module, a latch structure used for latching the telescopic elastic buffer rod and an ejection structure used for ejecting the telescopic elastic buffer rod are arranged in the shell, the power input end of the latch structure is electrically connected with the inverter group, the power input end of the ejection structure is electrically connected with the inverter group,
the ejection structure comprises a first clamping groove seat and a second clamping groove seat which are arranged at two sides of the socket, a base arranged at the bottom end of the socket, an ejection mechanism movably connected with the base, a first elastic plug-in unit arranged on the ejection mechanism and clamped with the first clamping groove seat, and a second elastic plug-in unit clamped with the second clamping groove seat,
the pop-up mechanism comprises a first shell for accommodating a conductive switch and a second shell in sliding connection with the base, the first shell is fixedly connected with the second shell, the bottom surface of the first shell is connected with the bottom end of the base through a second spring, the conductive switch comprises a conductive block and conductive arms symmetrically arranged on the inner side wall of the first shell, the lower end of the conductive block is connected with the bottom end of the first shell through a third spring symmetrically arranged,
the first elastic plug-in unit and the second elastic plug-in unit have the same structure, a plug-in unit accommodating cavity is arranged in the second shell, and the first elastic plug-in unit comprises a second magnet arranged on the side wall of the plug-in unit accommodating cavity, a second conducting wire uniformly wound on the second magnet, a second fixed sleeve arranged on the inner wall of the second shell, a push rod which is in sliding connection with the second fixed sleeve and is inserted through the shell of the second shell, and a second iron block which is arranged at the top end of the push rod and can be in suction connection with the second magnet; a fourth spring arranged between the second iron block and the second shell and sleeved on the second fixed sleeve, one end of a second lead is electrically connected with the current transformer, the other end is electrically connected with one conductive arm,
the conductive block comprises a first permanent magnet block,
the lower end of the telescopic elastic buffer rod is provided with a second permanent magnet, and the magnetic poles of the opposite surfaces of the second permanent magnet and the first permanent magnet are opposite.
2. The lock opening and closing device for the automobile tail door as claimed in claim 1, wherein the latch structure comprises an elastic expansion member and a first absorption structure, a through hole for the elastic expansion member to pass through is formed in a side wall of the insertion opening, the first absorption structure is used for absorbing the elastic expansion member after being electrified, the absorption structure comprises a first magnet, a support rod for fixing the first magnet and a first conducting wire uniformly wound on the first magnet, and two ends of the conducting wire are electrically connected with the converter set.
3. The locking and unlocking device for the vehicle tail gate according to claim 2, wherein said elastic extensible member comprises a first fixed sleeve disposed at the outer periphery of the through hole, a first movable sleeve movably connected with the first fixed sleeve, and a second movable sleeve elastically connected with the first movable sleeve; first movable sleeve and second movable sleeve pass through expanding spring and connect, the one end of first movable sleeve is provided with first iron plate, first wire circular telegram causes first magnet and iron plate actuation, be provided with the first spring that is used for the reply effect between first iron plate and the through-hole, first spring cup joints the outer lane at first fixed cover.
4. The lock device according to claim 1, wherein a conductive tube is nested in the first permanent magnet block, a conductive wire is disposed in the conductive tube, and the conductive wire is connected to the conductive metal heads at two ends of the conductive tube.
CN202110031770.2A 2021-01-11 2021-01-11 Lock opening and closing device for automobile tail door Active CN112878818B (en)

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Application Number Priority Date Filing Date Title
CN202110031770.2A CN112878818B (en) 2021-01-11 2021-01-11 Lock opening and closing device for automobile tail door

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Application Number Priority Date Filing Date Title
CN202110031770.2A CN112878818B (en) 2021-01-11 2021-01-11 Lock opening and closing device for automobile tail door

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CN112878818A CN112878818A (en) 2021-06-01
CN112878818B true CN112878818B (en) 2022-09-16

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113775266B (en) * 2021-09-01 2022-05-17 浙江世联汽车门***有限公司 Automobile central control door lock with mistaken locking prevention function
CN115538867A (en) * 2022-09-29 2022-12-30 浙江极氪智能科技有限公司 Tail door lock system and car

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Publication number Priority date Publication date Assignee Title
CN106948699A (en) * 2017-05-03 2017-07-14 北京汽车研究总院有限公司 A kind of automobile tail gate recloser and automobile
CN206487290U (en) * 2016-11-15 2017-09-12 浙江众泰汽车制造有限公司 A kind of automotive back door buffer structure
CN211818814U (en) * 2020-01-16 2020-10-30 宁波瀚迪五金制造有限公司 Electromagnetic door stopper

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Publication number Priority date Publication date Assignee Title
KR20160121080A (en) * 2015-04-10 2016-10-19 현대자동차주식회사 Guid bumper with electromagnet for tail gate of vehicles

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Publication number Priority date Publication date Assignee Title
CN206487290U (en) * 2016-11-15 2017-09-12 浙江众泰汽车制造有限公司 A kind of automotive back door buffer structure
CN106948699A (en) * 2017-05-03 2017-07-14 北京汽车研究总院有限公司 A kind of automobile tail gate recloser and automobile
CN211818814U (en) * 2020-01-16 2020-10-30 宁波瀚迪五金制造有限公司 Electromagnetic door stopper

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