CN114961459A - Electric locking device - Google Patents

Electric locking device Download PDF

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Publication number
CN114961459A
CN114961459A CN202210196524.7A CN202210196524A CN114961459A CN 114961459 A CN114961459 A CN 114961459A CN 202210196524 A CN202210196524 A CN 202210196524A CN 114961459 A CN114961459 A CN 114961459A
Authority
CN
China
Prior art keywords
fork
lock
positioning block
lock fork
locking
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202210196524.7A
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Chinese (zh)
Other versions
CN114961459B (en
Inventor
郭丽娜
张旭良
刘落明
倪萍
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing Kangni Mechanical and Electrical Co Ltd
Original Assignee
Nanjing Kangni Mechanical and Electrical Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nanjing Kangni Mechanical and Electrical Co Ltd filed Critical Nanjing Kangni Mechanical and Electrical Co Ltd
Priority to CN202210196524.7A priority Critical patent/CN114961459B/en
Publication of CN114961459A publication Critical patent/CN114961459A/en
Application granted granted Critical
Publication of CN114961459B publication Critical patent/CN114961459B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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    • 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
    • E05B83/36—Locks for passenger or like doors
    • E05B83/363—Locks for passenger or like doors for railway vehicles
    • 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
    • E05B81/06—Electrical using rotary motors
    • 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
    • E05B83/36—Locks for passenger or like doors
    • E05B83/40—Locks for passenger or like doors for sliding doors
    • 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
    • E05B85/20—Bolts or detents
    • E05B85/24—Bolts rotating about an axis
    • E05B85/243—Bolts rotating about an axis with a bifurcated bolt

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  • Lock And Its Accessories (AREA)

Abstract

The invention discloses an electric locking device, which comprises a lock catch arranged on a door leaf and an electric locking part arranged on a door system side-standing integrated device, wherein the electric locking part comprises a motor, a base body, a locking fork, a lock in-place switch and a pull rod, and a gear arranged on the base body is provided with a shifting gear and a shifting gear torsion spring; when the shift gear rotates towards the locking direction, one end of the shift gear limits the movement of the pull rod, and the other end of the shift gear controls the rotation of the lock fork; the lock fork is provided with a lock fork torsion spring, and the side edge of the lock fork is provided with a notch; the lock fork is characterized in that a cam, an unlocking plate and a positioning block which are coaxially mounted are arranged beside the lock fork, a positioning block torsion spring is arranged on the positioning block, and the positioning block enters a notch of the lock fork under the action of the positioning block torsion spring in the rotation process of the lock fork. The invention can realize the functions of mechanical primary and secondary locking, electric locking, unlocking and resetting and the function of emergency unlocking. The invention does not need a vehicle body to provide an air source, and realizes the air tightness of the door system while ensuring the locking safety performance of the door system.

Description

Electric locking device
Technical Field
The invention relates to a door lock device, in particular to an electric locking device.
Background
The locking device is an important part in a sliding plug door system of a high-speed motor train unit, and the air tightness of the door system is guaranteed while the door system is reliably locked. At present, all sliding plug door systems of motor train units basically adopt pneumatic locks, and locking and unlocking functions are achieved through cylinders. The locking device is greatly dependent on air sources, and the vehicle body is required to provide the air sources meeting the use requirements, so that a lot of extra energy loss is brought to the vehicle.
In addition, the inter-city motor train unit mostly adopts a double-opening sliding plug door, and the motor train unit has certain requirements on air tightness and safety performance and needs to be provided with an auxiliary locking device. Compared with a high-speed railway vehicle, the inter-city motor train unit train has no air source supply. When using the pneumatic auxiliary lock, need set up the air supply unit for the door system alone.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to provide an electric locking device without an air source.
The technical scheme is as follows: the invention relates to an electric locking device which comprises a lock catch arranged on a door leaf and an electric locking part arranged on a door system side-standing integrated device, wherein the electric locking part comprises a motor, a base body, a locking fork, a lock in-place switch and a pull rod, and a gear arranged on the base body is provided with a shifting gear and a shifting gear torsion spring; when the shift gear rotates towards the locking direction, one end of the shift gear limits the movement of the pull rod, and the other end of the shift gear controls the rotation of the lock fork; the lock fork is provided with a lock fork torsion spring, and the side edge of the lock fork is provided with a notch; the lock fork is characterized in that a cam, an unlocking plate and a positioning block which are coaxially mounted are arranged beside the lock fork, a positioning block torsion spring is arranged on the positioning block, and the positioning block enters a notch of the lock fork under the action of the positioning block torsion spring in the rotation process of the lock fork.
Electric locking principle: the motor drives the gear to rotate, under the drive of the gear, the shifting gear overcomes the resistance of the shifting gear torsional spring, one end of the shifting gear abuts against the pull rod, and the other end of the shifting gear shifts the lock fork to rotate. The lock fork drives the lock catch to move until the electric lock is locked in place, and the locking and pressing functions are achieved. In the rotation process of the lock fork, the positioning block enters the notch of the lock fork under the action of the torsion spring of the positioning block. When the positioning block rotates, the cam is driven to rotate, the cam releases the in-place unlocking switch, and the door controller obtains a locking signal.
Preferably, the pedestal is equipped with the shift fork, and the shift fork is the F type, and 2 short arm contact unlocking plate, long arm contact pull rod of shift fork.
Preferably, the shifting fork is divided into a first shifting fork for unlocking and a second shifting fork for emergency unlocking, and an emergency unlocking switch is arranged below the second shifting fork. Unlocking working principle: pulling the first shifting fork, driving the pull rod to rotate by the first shifting fork, and enabling the pull rod to be separated from the limit of shifting; meanwhile, the shifting fork pushes the unlocking plate contacted with the shifting fork, the positioning block of the unlocking plate rotates, and the positioning block is separated from the notch of the lock fork. The lock fork rotates towards the unlocking direction under the action of the torsion spring, and the electric lock is unlocked. When the positioning block rotates, the cam is driven to rotate, the cam compresses the lock in-place switch, and the door controller obtains an unlocking signal. Emergency unlocking working principle: pulling the second shifting fork, driving the pull rod to rotate by the second shifting fork, and enabling the pull rod to be disengaged from the limit of the shifting gear; the second shifting fork pushes the unlocking plate which is contacted with the second shifting fork, the unlocking plate drives the positioning block to rotate, and the positioning block is separated from the notch of the lock fork. And the second shifting fork triggers an emergency unlocking switch. The lock fork rotates towards the unlocking direction under the action of the torsion spring, and is unlocked manually. When the positioning block rotates, the cam is driven to rotate, the cam compresses the lock in-place switch, and the door controller obtains an unlocking signal.
Preferably, the motor is provided with a worm gear reducer. The working principle of resetting: the motor drives the gear to rotate in the opposite direction, the gear drives the shifting gear to move, and the shifting gear returns to the reset position under the action of the shifting torsion spring and the gear.
Preferably, the notches are divided into a primary locking notch and a secondary locking notch. In the door closing process, the door leaf drives the lock fork to rotate through the lock catch, so that the lock fork overcomes the lock fork torsion spring and reaches the first-stage locking position, and the positioning block is positioned in the first lock fork notch. The door leaf continues to move to drive the lock fork to rotate, so that the lock fork overcomes the torsional spring of the lock fork to reach a secondary locking position, and the positioning block is positioned in the notch II of the lock fork. When the positioning block rotates, the cam is driven to rotate, the cam releases the lock in-place switch, and the door controller obtains a locking signal.
Preferably, the base body is L-shaped and is provided with a mounting hole.
Has the advantages that: compared with the prior art, the invention has the following remarkable advantages: 1. the pure electric control is realized, and an additional air source is not required. 2. The functions of electric locking, mechanical primary and secondary locking, unlocking, resetting and emergency unlocking are realized.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a mechanical primary lock-out schematic of the present invention;
FIG. 3 is a schematic of the mechanical secondary lock of the present invention;
FIG. 4 is a schematic view of the electric latch of the present invention;
FIG. 5 is an unlock schematic of the present invention;
FIG. 6 is a schematic illustration of the reset of the present invention;
fig. 7 is a schematic diagram of the emergency unlocking of the present invention.
Detailed Description
The invention will be further explained with reference to the drawings.
The electric locking device comprises a lock catch 15 arranged on a door leaf and an electric locking part arranged on a door system side-standing integrated device, wherein the electric locking part comprises a motor 7 with a worm gear reducer, a seat body 1, a locking fork 4, a lock in-place switch 3 and a pull rod 9, a gear 8 arranged on the seat body 1 is provided with a shifting gear 6 and a shifting torsion spring 14, after the shifting gear 6 rotates anticlockwise, one end limits the movement of the pull rod 9, and the other end controls the rotation of the locking fork 4; a lock fork torsion spring 5 is arranged on the lock fork 4, and a primary locking notch and a secondary locking notch are formed in the side edge of the lock fork 4; the lock fork is characterized in that a cam 2, an unlocking plate 12 and a positioning block 13 which are coaxially mounted are arranged beside the lock fork 4, a positioning block torsion spring 16 is arranged on the positioning block 13, and the positioning block 13 enters a notch of the lock fork 4 under the action of the positioning block torsion spring 16 in the rotation process of the lock fork. The base body 1 is provided with a shifting fork which is F-shaped, 2 short arms of the shifting fork contact with the unlocking plate 12, and a long arm of the shifting fork contacts with the pull rod 9. The shifting fork is divided into a first shifting fork 11 for unlocking and a second shifting fork 10 for emergency unlocking, and an emergency unlocking switch 17 is arranged below the second shifting fork.
The invention is mounted in the door system through a hole in the housing 1 using screws.
Mechanical locking: the lock fork 4 is arranged on the seat body 1 through a shaft, the lock fork 4 is provided with a torsion spring 5, and the lock catch 15 is arranged on the door leaf. In the door closing process, the door leaf 15 drives the lock fork 4 to rotate through the lock catch 15, so that the lock fork 4 overcomes the torsion spring 5 and reaches the first-stage locking position, and the positioning block 13 is positioned in the first notch of the lock fork 4. The door leaf 15 continues to move to drive the lock fork 4 to rotate, so that the lock fork 4 overcomes the torsion spring 5 and reaches a secondary locking position, and the positioning block 13 is positioned in the second notch of the lock fork 4. When the positioning block 13 rotates, the cam 2 mounted on the same shaft is driven to rotate, and the cam 2 releases the lock-in-place switch 3 to obtain a locking signal.
Electric locking: the motor 7 is installed on the seat body 1 through a screw, and the motor 7 rotates and drives the gear 8 to rotate. In the rotating process of the gear 8, the gear 6 mounted on the gear is driven to rotate through the shaft, the gear 6 overcomes the resistance of the torsion spring 14 under the driving of the gear 8, one end of the gear 6 abuts against the pull rod 9, one end of the gear dials the lock fork 4 to rotate, the lock fork 4 drives the lock catch 15 to move until the electric lock is locked in place, and the locking and compressing functions are achieved. In the rotation process of the lock fork 4, the positioning block 13 enters the notch of the lock fork 4 under the action of the torsion spring 16. When the positioning block 13 rotates, the cam 2 mounted on the same shaft is driven to rotate, and the cam 2 releases the lock-in-place switch 3 to obtain a locking signal.
Unlocking: the first shifting fork 11 is arranged on the base body 1 through a shaft, the first shifting fork 11 is pulled, the first shifting fork 11 drives the pull rod 9 to rotate, and the pull rod 9 is separated from the limit of the shifting gear 6; meanwhile, the shifting fork I11 pushes the unlocking plate 12 which is contacted with the shifting fork I, the unlocking plate 12 drives the positioning block 13 which is arranged on a shaft to rotate, and the positioning block 13 is separated from the notch of the locking fork 4. The lock fork 4 rotates towards the unlocking direction under the action of the torsion spring 5, and the electric lock is unlocked. When the positioning block 13 rotates, the cam 2 mounted on the same shaft is driven to rotate, and the cam 2 presses the in-place locking switch 3 to obtain an unlocking signal.
Resetting: the motor 7 drives the gear 8 to rotate in the opposite direction, the gear 8 drives the shift lever 6 to move, and the shift lever 6 returns to the reset position under the action of the torsion spring 14 and the gear 8.
Emergency unlocking: the second shifting fork 10 is arranged on the base body 1 through a shaft, the second shifting fork 10 is pulled, the second shifting fork 10 drives the pull rod 9 to rotate, and the pull rod 9 is separated from the limit of the shifting gear 6; the second shifting fork 10 pushes the unlocking plate 12 which is contacted with the second shifting fork, the unlocking plate 12 drives the positioning block 13 which is arranged on a shaft to rotate, and the positioning block 13 is separated from the notch of the locking fork 4. The second shifting fork 10 triggers an emergency unlocking switch installed by using a screw. The lock fork 4 rotates towards the unlocking direction under the action of the torsion spring 5, and is unlocked manually. When the positioning block 13 rotates, the cam 2 mounted on the same shaft is driven to rotate, and the cam 2 presses the in-place locking switch 3 to obtain an unlocking signal.

Claims (6)

1. An electric locking device comprises a lock catch (15) arranged on a door leaf and an electric locking part arranged on a door system side-vertical integrated device, and is characterized in that the electric locking part comprises a motor (7), a base body (1), a locking fork (4), a locking in-place switch (3) and a pull rod (9), and a gear (8) arranged on the base body (1) is provided with a shifting gear (6) and a shifting gear torsion spring (14); when the shift lever (6) rotates towards the locking direction, one end of the shift lever (6) limits the movement of the pull rod (9), and the other end of the shift lever controls the rotation of the lock fork (4); a lock fork torsion spring (5) is arranged on the lock fork (4), and a notch is formed in the side edge of the lock fork (4); the lock fork is characterized in that a cam (2), an unlocking plate (12) and a positioning block (13) which are coaxially mounted are arranged beside the lock fork (4), a positioning block torsion spring (16) is arranged on the positioning block (13), and the positioning block (13) enters a notch of the lock fork (4) under the action of the positioning block torsion spring (16) in the rotation process of the lock fork.
2. An electric locking device according to claim 1, characterized in that the seat (1) is provided with a fork, which is F-shaped, and 2 short arms of the fork contact the unlocking plate (12) and the long arm contacts the pull rod (9).
3. The electric locking device according to claim 2, wherein the shift fork is divided into a first shift fork (11) for unlocking and a second shift fork (10) for emergency unlocking, and an emergency unlocking switch (17) is arranged below the second shift fork.
4. An electric locking device according to any one of claims 1-3, characterized in that the electric motor (7) is provided with a worm gear reducer.
5. An electric locking device as defined in claim 1 wherein said notches are divided into a primary locking notch and a secondary locking notch.
6. An electric locking device according to claim 1 or 2, characterized in that the seat body (1) is L-shaped and is provided with mounting holes.
CN202210196524.7A 2022-03-01 2022-03-01 Electric locking device Active CN114961459B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210196524.7A CN114961459B (en) 2022-03-01 2022-03-01 Electric locking device

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Application Number Priority Date Filing Date Title
CN202210196524.7A CN114961459B (en) 2022-03-01 2022-03-01 Electric locking device

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CN114961459A true CN114961459A (en) 2022-08-30
CN114961459B CN114961459B (en) 2023-11-03

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ID=82976288

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Application Number Title Priority Date Filing Date
CN202210196524.7A Active CN114961459B (en) 2022-03-01 2022-03-01 Electric locking device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116220478A (en) * 2023-02-28 2023-06-06 南京康尼机电股份有限公司 Miniature electric self-unlocking locking device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002067940A (en) * 2000-09-05 2002-03-08 Nabco Ltd Closing method and device for door for railway rolling stock
CN203022452U (en) * 2012-12-24 2013-06-26 南京康尼机电股份有限公司 Electric lock for half-height safety door
CN104100155A (en) * 2013-04-15 2014-10-15 因特瓦产品有限责任公司 Car door lock system
CN209976248U (en) * 2019-01-17 2020-01-21 南京康尼机电股份有限公司 Electric lock device of motor train unit door system
CN112160660A (en) * 2020-11-05 2021-01-01 长春工业大学 Emergency unlocking device for locking mechanism of urban rail vehicle sliding plug door

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002067940A (en) * 2000-09-05 2002-03-08 Nabco Ltd Closing method and device for door for railway rolling stock
CN203022452U (en) * 2012-12-24 2013-06-26 南京康尼机电股份有限公司 Electric lock for half-height safety door
CN104100155A (en) * 2013-04-15 2014-10-15 因特瓦产品有限责任公司 Car door lock system
CN209976248U (en) * 2019-01-17 2020-01-21 南京康尼机电股份有限公司 Electric lock device of motor train unit door system
CN112160660A (en) * 2020-11-05 2021-01-01 长春工业大学 Emergency unlocking device for locking mechanism of urban rail vehicle sliding plug door

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116220478A (en) * 2023-02-28 2023-06-06 南京康尼机电股份有限公司 Miniature electric self-unlocking locking device
CN116220478B (en) * 2023-02-28 2024-06-11 南京康尼机电股份有限公司 Miniature electric self-unlocking locking device

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