CN113153032B

CN113153032B - Locking device for protective door of passenger car driving area

Info

Publication number: CN113153032B
Application number: CN202110635592.4A
Authority: CN
Inventors: 王洪明; 王剑波; 何操; 钟媚
Original assignee: Sichuan Vocational and Technical College Communications
Current assignee: Sichuan Vocational and Technical College Communications
Priority date: 2021-06-08
Filing date: 2021-06-08
Publication date: 2022-06-17
Anticipated expiration: 2041-06-08
Also published as: CN113153032A

Abstract

The invention discloses a locking device for a guard door in a driving area of a passenger car, and belongs to the technical field of automobile door locks. A passenger vehicle driver's zone fender lock device, comprising: the lock comprises a lock body, a control circuit module, a door button assembly, a locking assembly and a contact sensor; the lock body is internally provided with a pulling piece, a hook plate and a locking piece; the locking piece is provided with a locking rod pin matched with the hook plate; a clamping groove is formed in the hook plate, a push rod pin is arranged in the clamping groove in a sliding mode, and a pull rod spring is sleeved on the outer side of the pull rod; the door button assembly is in contact with the pull disc, the locking assembly is in pin connection with the push rod and in communication connection with the control circuit module, and the contact sensor is in communication connection with the control circuit module. The contact sensor is used for detecting whether a steering wheel of a passenger car is in a control state of a driver or not, transmitting a detection signal to the control circuit module, and intelligently controlling the locking assembly through the control circuit module, so that a guard door lock can be conveniently opened to enter a driving area in an emergency situation in the driving process.

Description

Locking device for protective door of passenger car driving area

Technical Field

The invention relates to the technical field of automobile door locks, in particular to a locking device for a guard rail door in a passenger car driving area.

Background

Passengers of public bus and other passenger cars often happen in cases of illegally intruding drivers or robbing steering wheels in the driving process and cause too many serious accidents, the technical requirements of special safety facilities for urban public bus vehicles (JT/T1240-2019) of the industry standard issued by the national transportation department in 2019 require that the public bus is provided with driving area protective isolation facilities, and stipulate that locking devices are arranged inside protective enclosure doors of the protective isolation facilities, and the drivers can be opened from the outside when encountering emergencies such as physical discomfort and the like. Although a plurality of types of enclosure door locking schemes and products are put into use at present, the enclosure door locking and unlocking device can not only meet the requirements of normal protection and isolation, but also be convenient for being used in emergency opening, has a not ideal using effect, and cannot automatically control the locking and unlocking states of the enclosure door according to the conditions of normal driving of a driver, sudden physical discomfort and the like. Therefore, the problem that the guard door lock in the driving area of the passenger car is inconvenient to open in an emergency exists in the prior art.

According to the research, when a driver suddenly encounters an emergency such as physical discomfort and the like and loses normal driving ability, the hands of the driver can be loosened or even separated from the grasp of the steering wheel, and the hand can be used as a basis for judging whether the driver is in an abnormal driving state or not and needing emergency rescue, so that the locking and unlocking states of the protective door can be accurately controlled.

Disclosure of Invention

The invention aims to provide a locking device for a guard door lock in a driving area of a passenger car, and the locking device is used for solving the problem that the existing guard door lock in the driving area of the passenger car is inconvenient to open in an emergency.

The technical scheme for solving the technical problems is as follows:

a passenger vehicle driver's zone fender lock device, comprising: the lock comprises a lock body, a control circuit module, a door button assembly, a locking assembly and a contact sensor arranged on a steering wheel;

the lock body is internally provided with a pulling piece, a hook plate and a locking piece which are sequentially arranged, the pulling piece and the locking piece are respectively in sliding fit with the lock body, the hook plate is hinged with the pulling piece, the locking piece is provided with a lock rod pin matched with the hook plate, the hook plate is provided with a clamping groove, and a push rod pin is arranged in the clamping groove in a sliding manner;

the door button assembly is abutted to the pulling piece, the locking assembly is connected with the push rod pin and is in communication connection with the control circuit module, and the contact sensor is in communication connection with the control circuit module.

The touch sensor is used for detecting whether a steering wheel of a passenger car is in a hand-held control state of a driver or not and transmitting a detection signal to the control circuit module; when the passenger car steering wheel is detected to be in a palm holding state of at least one driver, the locking assembly works and drives the hook plate to be separated from the unlocking rod pin, the door button assembly is screwed to pull the pulling piece to move, the hook plate cannot drive the locking rod pin to move, and therefore the locking piece cannot be pulled to move to open the door lock; when detecting passenger train driver and breaking away from when controlling the steering wheel, control circuit module transmission signal makes the locking subassembly outage, and the hook plate is close to the locking lever round pin and carries out the contact cooperation, twists at this moment and moves a button subassembly and pulls the piece of drawing and remove, and the hook plate will drive the locking lever round pin and remove, pulls the latch fitting removal simultaneously and opens the lock to make other personnel can get into the driving area rescue, avoid causing the incident.

Further, the pulling member includes: the pull rod is hinged with the hook plate, the pull disc is arranged on the pull rod, and the pull rod spring is sleeved on the outer side of the pull rod; the latch includes: the lock comprises a lock rod connected with a lock rod pin, a lock tongue arranged at one end of the lock rod far away from the lock rod pin, and a lock rod spring sleeved outside the lock rod, wherein the lock rod spring is positioned between the lock tongue and the inner wall of the lock body.

The pull disc is convenient to abut against the door knob assembly, and the pull rod spring is arranged, so that the elasticity of the pull rod spring needs to be overcome when the door knob assembly is screwed to drive the pull disc to move; and the lock rod spring is sleeved outside the lock rod and can provide elastic supporting force far away from the pull rod for the lock tongue.

Furthermore, one end of the pull rod, which is close to the hook plate, is provided with a torsion seat, the end part of the hook plate is provided with a round hole matched with the torsion seat, and the other end of the hook plate is provided with a hook block matched with the lock rod pin.

The hook plate can rotate around the torsion seat through the matching of the round hole and the torsion seat, and is provided with the hook block, when the door lock is locked, the hook block is far away from the lock rod pin along with the hook plate, and when the pull rod is pulled, the hook block cannot drive the lock rod pin to move; when the lock is unlocked, the hook block is in contact fit with the lock rod pin to form a hook connection state, and when the pull rod is pulled, the hook block can drive the lock rod pin and the lock rod to move, so that the lock tongue moves, and the door lock is opened.

Furthermore, the torsion seat is sleeved with a hook plate torsion spring, the pull rod is provided with a stop nail contacting with one end of the hook plate torsion spring, and the other end of the hook plate torsion spring is bent and contacts with the hook plate.

According to the invention, the hook plate torsion spring is sleeved on the torsion seat, and after the locking assembly is powered off, the hook plate torsion spring generates torsion to the hook plate, so that the hook plate rotates towards the direction close to the locking rod pin, the hook block is in contact fit with the locking rod pin to form a hook connection state, and the locking tongue is driven to move by the locking rod pin to unlock when the pull rod is pulled.

Furthermore, a first cover plate is arranged at one end, close to the bolt, of the lock body, and the bolt penetrates through the first cover plate; a second cover plate is arranged at one end, close to the pull rod, of the lock body, and the pull rod penetrates through the second cover plate.

The first cover plate and the second cover plate are respectively arranged at the two ends of the lock body, so that the pull piece and the lock piece are supported, the interior of the lock body is sealed, and impurities are prevented from entering and influencing the normal operation of all components in the lock body.

Further, the locking assembly includes: the locking shell is connected with the lock body, the shell cover is connected with the locking shell, the push rod and the push rod spring are arranged inside the locking shell respectively, and the coil and the fixed rod are arranged inside the shell cover respectively.

The invention transmits signals to the power supply switch of the coil through the control circuit module, thereby controlling the on-off state of the coil. When the passenger car is normally driven, the coil is electrified to generate magnetic attraction force on the push rod, so that the push rod is close to the fixed rod and pulls the hook plate through the push rod pin, the hooking state of the hook block to the lock rod pin is disconnected, and the lock tongue cannot be pulled through the door knob assembly; when detecting that driver's both hands all break away from the control to the steering wheel, the control circuit module cuts off the power supply to the coil, and the push rod no longer receives magnetic attraction, thereby produce thrust through the push rod round pin to the hook plate under the effect of push rod spring, and under the combined action of hook plate torsional spring, make the hook plate rotate to the side contact with the locking lever round pin, the hook piece contacts the cooperation with the locking lever round pin and forms and colludes the link state, thereby unblock, can pass through the knob subassembly pulling spring bolt this moment.

Further, the door knob assembly includes: the door opening buttons are respectively positioned on two sides of the lock body and are in rotating fit with the lock body through door button hinges; the door opening button comprises a handle and a shifting fork, one end of the shifting fork is connected with the handle, and the other end of the shifting fork is abutted to one surface, close to the lock tongue, of the pull disc.

The invention can make the shifting fork push the pull disc by twisting the handle under the condition of not locking, and sequentially drive the hook plate, the lock rod pin and the lock rod to move, thereby pulling the lock tongue to open the door.

Further, the contact sensor is provided on a bottom surface of the steering wheel.

The contact sensor is arranged on the bottom surface of the steering wheel, so that the situation that a driver leans on the top surface of the steering wheel when the driver is abnormal and cannot timely judge whether the driver is in an abnormal state or not is avoided.

Furthermore, the control circuit module is respectively connected with a driving area alarm module, an outside and passenger area alarm module and an alarm switch in a communication way.

When the control circuit module receives the abnormal driving electric signal sent by the contact sensor, the control circuit module can give an alarm to a driver through the driving area alarm module, and if the abnormal driving electric signal sent by the contact sensor is not interrupted in time, the control circuit module gives an alarm to the outside of the vehicle and passengers through the outside of the vehicle and passenger area alarm module, so that other vehicles and pedestrians outside the vehicle are reminded of avoiding, and the passengers are reminded of opening the driving area enclosure door in time to implement emergency rescue and danger avoidance.

The alarm switch is arranged at a position in a driving area of a passenger car, which is convenient for a driver to operate in an emergency situation, when the control circuit module receives an electric signal of the alarm switch, the coil can be powered off, so that unlocking is carried out, and meanwhile, the alarm module outside the passenger car and in a passenger area warns the passenger car and passengers.

Furthermore, the control circuit module is also in communication connection with an ECU of the passenger car.

The control circuit module is in communication connection with the passenger car ECU, so that the electronic throttle system and the electronic parking brake can be controlled by the passenger car ECU under abnormal conditions, the passenger car stops accelerating, the speed of the passenger car is reduced, and meanwhile, an emergency lamp of the passenger car is turned on, so that accidents are avoided.

The invention has the following beneficial effects:

(1) the touch sensor is used for detecting whether a steering wheel of a passenger car is in a holding control state of a driver or not and transmitting a detection signal to the control circuit module; when the passenger car steering wheel is detected to be in a palm holding state of at least one driver, the locking assembly works and drives the hook plate to be separated from the unlocking rod pin, the door button assembly is screwed to pull the pulling piece to move, the hook plate cannot drive the locking rod pin to move, and therefore the locking piece cannot be pulled to move to open the door lock; when detecting passenger train driver and breaking away from when controlling the steering wheel, control circuit module transmission signal makes the locking subassembly outage, and the hook plate is close to the locking lever round pin and contacts the cooperation, twists at this moment and moves a button subassembly and pulls the piece of drawing and remove, and the hook plate will drive the locking lever round pin and remove, pulls the latch fitting removal simultaneously and opens the lock to make other personnel can get into the driver's compartment and implement emergency rescue, avoid causing the incident.

(2) According to the invention, through the arrangement of the hook plate torsion spring and the push rod spring, when the coil is powered off by the locking assembly, the hook plate torsion spring applies a torsion force to the hook plate to rotate the lock rod pin, and meanwhile, the push rod spring applies an elastic force to the push rod, so that the push rod pushes the hook plate to be close to the lock rod pin through the push rod pin, and the hook block is in contact fit with the lock rod pin to form a hook connection state, thereby unlocking.

(3) The control circuit module is in communication connection with the ECU and the alarm module of the passenger car, when abnormal conditions occur to a driver, the control circuit module can simultaneously carry out emergency stop and acceleration on the passenger car, reduce the speed of the passenger car and start the emergency lamp, and can also carry out alarm and danger warning on a driving area, a passenger area and the outside of the passenger car, thereby reducing the accident risk to the maximum extent.

(4) The control circuit module is in communication connection with the alarm switch, when a driver needs to seek help in case of emergency and the driver does not completely lose the operation capability, the alarm switch can be actively pressed down to cut off the power of the coil, so that the enclosure door is unlocked, and meanwhile, the passenger area and the outside of the vehicle are alarmed to seek help.

Drawings

FIG. 1 is a schematic structural diagram of a locking device of a guard door in a driving area of a passenger car in an unlocked state;

FIG. 2 is a schematic view of the position of a touch sensor according to the present invention;

FIG. 3 is a schematic cross-sectional view of a steering wheel and a touch sensor of the present invention;

FIG. 4 is a schematic structural view of a locking state of a guard door locking device in a driving area of a passenger car;

FIG. 5 is a top view of the locking mechanism of the barrier door of the driver's cab of the passenger vehicle in a locked state;

FIG. 6 is a schematic structural view of a hook plate of the present invention;

fig. 7 is a schematic diagram of communication connection of the control circuit module according to the present invention.

In the figure: 10-a lock body; 11-a bolt; 12-a locking bar; 13-hook plate; 14-pulling the disc; 15-a pull rod; 16-a locking bar pin; 17-a card slot; 18-a push rod pin; 19-a drawbar spring; 20-a control circuit module; 21-torsion seat; 22-round holes; 23-a hook block; 24-hook plate torsion spring; 25-stopping nails; 27-a first cover plate; 28-a second cover plate; 29-locking bar spring; 30-a door knob assembly; 31-opening the door button; 32-door knob hinge; 33-a handle; 34-a shifting fork; 35-door knob torsion spring; 40-a contact sensor; 41-a steering wheel; 50-a locking assembly; 51-a locking housing; 52-a push rod; 53-push rod spring; 54-a coil; 55-a fixing rod; 56-pushing the disc; 57-housing cover; 62-driving area alarm module; 63-alarm module for vehicle outside and passenger area; 64-passenger car ECU; 65-alarm switch.

Detailed Description

The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.

Examples

Referring to fig. 1 and 7, a passenger car driving zone guard door locking device includes: a lock body 10, a control circuit module 20, a door button assembly 30, a locking assembly 50, and a contact sensor 40.

Referring to fig. 2, 3 and 6, a touch sensor 40 is provided on a steering wheel 41 of the passenger car for detecting whether the steering wheel 41 is in a holding state of at least one hand of the driver when the passenger car is in a running state. And contact sensor 40 is located the bottom surface of passenger train steering wheel 41 circumference, forms the parcel to its surface for homoenergetic when passenger train driver's hand holds different positions detects, leans on when can avoiding passenger train driver to appear unexpected and causes the erroneous judgement on steering wheel 41's top surface. And the contact sensor 40 is in communication connection with the control circuit module 20, so that the detection result can be conveniently transmitted to the control circuit module 20 in real time through an electric signal.

Referring to fig. 1, 4 and 5, the lock body 10 is disposed on a passenger car enclosure door, a pull member, a hook plate 13 and a locking member are sequentially disposed inside the lock body 10, the pull member includes a pull rod 15, a pull disc 14 and a pull rod spring 19, and the locking member includes: lock lever 12, lock tongue 11, and lock lever spring 29. The two ends of the lock body 10 are respectively provided with a first cover plate 27 and a second cover plate 28, and the first cover plate 27 and the second cover plate 28 are respectively provided with a hole, so that the bolt 11 and the pull rod 15 can conveniently penetrate out. The lock rod 12 is connected with the lock tongue 11, and the lock tongue 11 can be driven to move by the movement of the lock rod 12. The outside of the lock rod 12 is also sleeved with a lock rod spring 29, two ends of the lock rod spring 29 are respectively abutted against the inner walls of the lock bolt 11 and the lock body 10, the lock rod spring 29 can provide thrust far away from the pull rod 15 for the lock bolt 11, and the lock bolt 11 can keep an extending state without the action of other external force. The end of the lock rod 12 far away from the lock tongue 11 is provided with a lock rod pin 16, and the hook plate 13 is in contact fit with the lock rod pin 16.

The pull disc 14 and the pull rod 15 are integrated, the outer diameter of the pull disc 14 is larger than that of the pull rod 15, a pull rod spring 19 is sleeved on the outer side of the pull rod 15, two ends of the pull rod spring 19 are respectively abutted to the inner walls of the pull disc 14 and the lock body 10, the pull rod spring 19 can apply force to the pull disc 14 in the direction close to the lock tongue 11, and under the condition of no other external force, the pull disc 14 is enabled to be under the action force far away from the second cover plate 28, so that the pull disc 14 and the pull rod 15 are prevented from easily sliding in the direction close to the second cover plate 28.

Referring to fig. 1, 4 and 6, the hook plate 13 is provided with a hook block 23 at an end portion thereof adjacent to the locking bar pin 16, and the hook block 23 may be in direct contact with the locking bar pin 16. The end part of the hook plate 13 close to the pull rod 15 is provided with a round hole 22, the pull rod 15 is provided with a twisting seat 21 matched with the round hole 22, and the hook plate 13 is sleeved on the twisting seat 21 through the round hole 22 so as to rotate along the twisting seat 21. When the lock tongue 11 is unlocked, the hook block 23 is in contact fit with the push rod pin 18 to form a hooking state, the hook block 23 is positioned on the axes of the pull rod 15 and the lock rod 12, and when the pull rod 15 moves, the hook plate 13 can be driven to move, so that the hook block 23 drives the lock rod pin 16 to move, and the lock rod 12 and the lock tongue 11 move simultaneously to unlock; when the lock tongue 11 is locked, the hook plate 13 rotates in a direction away from the lock rod pin 16, the hook block 23 is not in a hooked state with the lock rod pin 16 any more, so that the hook block 23 is not on the axis of the pull rod 15 and the lock rod 12, at this time, the hook plate 13 can move simultaneously by pulling the pull rod 15, but the hook block 23 cannot drive the lock rod pin 16 to move, so that the lock rod 12 and the lock tongue 11 are kept in a static state, and unlocking cannot be performed.

The torsion seat 21 is further sleeved with a hook plate torsion spring 24, the pull rod 15 is respectively provided with a stop nail 25 contacting with one end of the hook plate torsion spring 24, and the other end of the hook plate torsion spring 24 is bent and contacts with the hook plate 13, so that the hook plate torsion spring 24 applies torsion close to the lock rod 12 to the hook plate 13. When the locking assembly 50 is powered off, the hook plate 13 can rotate under the torsion action of the hook plate torsion spring 24, the hook block 23 is in contact fit with the lock rod pin 16 to form a hooking state, and the hook block 23 is located on the axes of the pull rod 15 and the lock rod 12, so that the lock rod pin 16 and the lock tongue 11 can be conveniently pulled to unlock.

The hook plate 13 is further provided with a clamping groove 17, a push rod pin 18 in sliding fit with the clamping groove 17 is arranged in the clamping groove 17, and the locking assembly 50 is connected with the push rod pin 18. Under normal driving conditions, the push rod pin 18 is located far away from the lock rod pin 16, i.e. the hook block 23 is not on the axis of the pull rod 15 and the lock rod 12, and the lock body 10 cannot be unlocked by the hook block 23 driving the lock rod pin 16 to move, thereby being in a locked state. When driving is abnormal, the push rod pin 18 is located at a position close to the lock rod pin 16, and the hook block 23 is located on the axis of the pull rod 15 and the lock rod 12, that is, the hook block 23 is in contact fit with the lock rod pin 16 to form a hooking state, and the lock body 10 can be unlocked by driving the lock rod pin 16 to move through the hook block 23.

Locking assembly 50 is provided on a passenger car enclosure door, and includes: the lock comprises a lock shell 51 connected with the lock body 10, a shell cover 57 connected with the lock shell 51, a push rod 52 and a push rod spring 53 which are respectively arranged inside the lock shell 51, and a coil 54 and a fixed rod 55 which are respectively arranged inside the shell cover 57, wherein the push rod 52 is connected with a push rod pin 18, the push rod 52 is also provided with a push disc 56, and the outer diameter of the push disc 56 is larger than that of the push rod 52. Both ends of the push rod spring 53 abut against the push disk 56 and the inner wall of the lock housing 51, respectively, so that the push rod spring 53 can apply an elastic force to the push disk 56 to move in a direction approaching the hook plate 13. The coil 54 is arranged outside the push rod 52 and the fixed rod 55, the power supply switch of the coil 54 is in communication connection with the control circuit module 20, when the passenger car is judged to be in a normal driving state, the control circuit module 20 enables the coil 54 to be electrified, the coil 54 generates electromagnetic force, the push rod 52 is attracted to be close to the fixed rod 55, the hook plate 13 is driven to be far away from the lock rod 12 through the push rod pin 18, the hook block 23 cannot be located on the axis of the lock rod 12 and the pull rod 15, and therefore the lock body 10 is locked. When it is determined that the passenger car is in an abnormal state during driving, the control circuit module 20 disconnects the power of the coil 54, the magnetic attraction of the coil 54 to the push rod 52 disappears, the push rod 52 is far away from the fixing rod 55 under the action of the elastic force of the push rod spring 53, the hook plate 13 rotates towards the direction close to the lock rod 12, the hook block 23 is located on the axis of the pull rod 15 and the axis of the lock rod 12, and at this time, the lock body 10 is unlocked. The end of the push rod 52 is provided with a tip, the end of the fixing rod 55 is provided with a sharp groove matched with the tip, and when the push rod 52 is subjected to magnetic attraction force of the coil 54, the tip of the end of the push rod 52 is contacted with the sharp groove, so that the position of the push rod 52 is fixed.

The housing cover 57 is in sealing engagement with the locking housing 51, so that the components inside are protected from being sealed, and foreign matters can be prevented from entering, thereby affecting the normal operating state of the components.

Referring to fig. 7, the control circuit module 20 is respectively connected with a driving area alarm module 62, an outside and passenger area alarm module 63, and an alarm switch 65 in communication, where the alarm switch 65 is disposed at a position in the driving area of the passenger car convenient for a driver to operate, when it is detected that the passenger car is in an abnormal state, the driving area alarm module 62 works to give an alarm prompt to the driver of the passenger car, and if the contact sensor 40 does not receive contact feedback of the driver of the passenger car in a short time or the driver of the passenger car actively presses the alarm switch 65, the outside and passenger area alarm module 63 starts to give an alarm to the outside of the car and passengers of the passenger car, and prompt for taking emergency danger prevention and rescue measures. The control circuit module 20 can also be in communication connection with a driving monitoring system of a passenger car, and when the alarm module 63 outside the car and in a passenger area works, alarm signals are sent to monitoring centers of passenger enterprises and police departments at the same time, so that rescue can be carried out as soon as possible.

Control circuit module 20 still with passenger train ECU64 communication connection, control circuit module 20 can also send the signal of telecommunication to passenger train ECU64 to carry out intelligent control to the electron throttle system and the electron parking braking of passenger train through passenger train ECU64, thereby reduce the potential safety hazard of passenger train. The control circuit module 20 may determine that the vehicle is stationary or in a traveling state based on a signal such as a wheel rotation speed and a parking brake fed back from the passenger car ECU 64. When the vehicle is in a static state, the device is in a non-control state and does not have the control capability of the enclosure door.

The control circuit module 20 is a circuit board welded with an STM32-F407ZGZ5 type single chip microcomputer, is used for writing a control program written by equipment manufacturers, is in communication connection with each component, receives electric signals sent by the contact sensor 40 and the alarm switch 65, and transmits the electric signals to components such as a passenger car ECU64, a power supply switch of the coil 54, a driving area alarm module 62, a vehicle exterior and passenger area alarm module 63 and the like.

Referring to fig. 4, the door knob assembly 30 is provided on a passenger car enclosure door, and includes: the door opening buttons 31 are respectively arranged on two sides of the lock body 10, the door opening buttons 31 are in running fit with the lock body 10 through door button hinges 32, each door opening button 31 comprises a handle 33 and a shifting fork 34, one end of the shifting fork 34 is connected with the handle 33, and the other end of the shifting fork 34 is abutted to one surface, close to the lock tongue 11, of the pull plate 14. When the handle 33 is turned, the integral door opening knob 31 rotates along the door knob hinge 32, and the shift fork 34 pushes the pull plate 14 to move away from the lock tongue 11, thereby moving the pull rod 15 and the hook plate 13.

The outer side of the door knob hinge 32 is further sleeved with a door knob torsion spring 35, one end of the door knob torsion spring 35 is in contact with the inner wall of the handle 33, and the other end of the door knob torsion spring is in contact with the outer wall of the lock body 10. When the handle 33 is twisted, the torsion of the door knob torsion spring 35 needs to be overcome, so that the handle 33 is in a static state by the torsion of the door knob torsion spring 35 when no other external force is applied. When the locking assembly 50 locks the lock body 10, the handle 33 is twisted to prevent the bolt 11 from moving to unlock.

The working process of the invention is as follows: (1) when the passenger car is normally driven, the contact sensor 40 transmits a normal electric signal to the control circuit module 20; (2) the control circuit module 20 energizes the coil 54, and the coil 54 generates magnetic attraction force to make the push rod 52 approach the fixing rod 55; (3) the push rod 52 drives the push rod pin 18 to rotate the hook plate 13, and the hook block 23 is not in contact fit with the lock rod pin 16, so that the lock body 10 is locked, and other people are prevented from entering a driving area; (4) when the passenger car is abnormally driven, the contact sensor 40 transmits an abnormal signal to the control circuit module 20; (5) the control circuit module 20 transmits a signal to the driving area warning module 62 to give a warning prompt to the driver; (6) if the contact sensor 40 does not perform normal signal feedback or the passenger car driver actively presses the alarm switch 65, the control circuit module 20 transmits a signal to the outside and passenger area alarm module 63 to perform alarm prompt on the outside and passenger areas; (7) the control circuit module 20 transmits signals to the passenger car ECU64 at the same time, and the passenger car EUC64 controls an electronic throttle system and an electronic parking brake of the passenger car, so that potential safety hazards are reduced; (8) the control circuit module 20 transmits a signal to the power supply switch of the coil 54 at the same time, so that the coil 54 is powered off, the magnetic attraction disappears, and the push rod 52 pushes the hook plate 13 to rotate towards the direction close to the lock rod 12 through the push rod pin 18 under the action of the push rod spring 53; (9) the hook block 23 is in contact fit with the lock rod pin 16 to form a hooking state, and the hook block 23 moves to the axis of the pull rod 15 and the lock rod 12, so that the lock body 10 is unlocked, and the driver can conveniently enter a driving area for rescue.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a passenger train driver's zone fender lock locking device which characterized in that includes: the lock comprises a lock body (10), a control circuit module (20), a door button assembly (30), a locking assembly (50) and a contact sensor (40) arranged on a steering wheel;

the lock body (10) is internally provided with a pulling piece, a hook plate (13) and a locking piece which are sequentially arranged, the pulling piece and the locking piece are respectively in sliding fit with the lock body (10), the hook plate (13) is hinged with the pulling piece, the locking piece is provided with a lock rod pin (16) matched with the hook plate (13), the hook plate (13) is provided with a clamping groove (17), and the clamping groove (17) is internally provided with a push rod pin (18) in a sliding way;

the door button assembly (30) is abutted against the pulling piece, the locking assembly (50) is connected with the push rod pin (18) and is in communication connection with the control circuit module (20), and the contact sensor (40) is in communication connection with the control circuit module (20);

the pull piece comprises: the lock comprises a pull rod (15) hinged with the hook plate (13), a pull disc (14) arranged on the pull rod (15) and a pull rod spring (19) sleeved on the outer side of the pull rod (15), wherein the pull disc (14) is abutted against the door button assembly (30), and the pull rod spring (19) is positioned between the inner wall of the lock body (10) and the pull disc (14); the lock includes: the lock rod (12) is connected with the lock rod pin (16), the lock bolt (11) is arranged at one end, far away from the lock rod pin (16), of the lock rod (12), and the lock rod spring (29) is sleeved on the outer side of the lock rod (12), and the lock rod spring (29) is arranged between the lock bolt (11) and the inner wall of the lock body (10);

a torsion seat (21) is arranged at one end, close to the hook plate (13), of the pull rod (15), a round hole (22) matched with the torsion seat (21) is formed in the end portion of the hook plate (13), and a hook block (23) matched with the lock rod pin (16) is arranged at the other end of the hook plate (13);

the locking assembly (50) comprises: a locking shell (51) connected with the lock body (10), a shell cover (57) connected with the locking shell (51), a push rod (52) and a push rod spring (53) which are respectively arranged in the locking shell (51), and a coil (54) and a fixed rod (55) which are respectively arranged in the shell cover (57), a push disc (56) is arranged on the push rod (52), the push rod (52) is connected with the push rod pin (18), the push rod spring (53) is sleeved on the outer side of the push rod (52), and the pusher spring (53) is arranged between the pusher plate (56) and the inner wall of the lock housing (51), the fixing rod (55) is matched with the push rod (52), the coil (54) is positioned on the outer sides of the push rod (52) and the fixing rod (55), and a power supply switch of the coil (54) is in communication connection with the control circuit module (20).

2. The passenger car driving area fender lock locking device of claim 1, characterized in that, the seat of turning round (21) goes up the cover and is equipped with hook plate torsional spring (24), be equipped with on pull rod (15) with the contact of hook plate torsional spring (24) one end stop nail (25), the other end bending of hook plate torsional spring (24) and with hook plate (13) contact.

3. The passenger car driving area surrounding door locking device as claimed in claim 2, wherein the lock body (10) is provided with a first cover plate (27) at one end close to the lock tongue (11), and the lock tongue (11) penetrates through the first cover plate (27); and a second cover plate (28) is arranged at one end of the lock body (10) close to the pull rod (15), and the pull rod (15) penetrates through the second cover plate (28).

4. The passenger car driving zone cover door locking device as claimed in claim 1, wherein the door knob assembly (30) comprises: the door opening buttons (31) are respectively positioned on two sides of the lock body (10), and the door opening buttons (31) are in rotating fit with the lock body (10) through door button hinges (32); the door opening button (31) comprises a handle (33) and a shifting fork (34), one end of the shifting fork (34) is connected with the handle (33), and the other end of the shifting fork (34) is abutted to one surface of the lock tongue (11) close to the pull disc (14).

5. The passenger car driving area fender lock device of claim 1, wherein the contact sensor (40) is provided on a bottom surface of a steering wheel.

6. The passenger car driving zone guard door locking device according to claim 1, wherein the control circuit module (20) is communicatively connected with a driving zone alarm module (62), an outside and passenger zone alarm module (63) and an alarm switch (65), respectively.

7. The passenger car driving area guard door locking device according to any one of claims 1 to 6, wherein the control circuit module (20) is further connected in communication with a passenger car ECU (64).