CN208267597U - Motor vehicle self-priming door-locking system - Google Patents

Abstract

The utility model discloses a kind of motor vehicle self-priming door-locking systems, including electric door lock, bracing wire and door lock controller, and one end of bracing wire is connect with electric door lock and the other end is connect with door lock controller；The door lock controller includes first shell, and motor and transmission mechanism are equipped in the first shell, and the output shaft of the motor is equipped with output gear, and the transmission mechanism is connect by limiting link block with bracing wire；The transmission mechanism includes two layers of gear, gear nut and screw rod；The controller is equipped with signaling switch；Electric door lock includes door shell, pawl assembly and ratchet, and pawl assembly and ratchet all pass through the inside that rivet is installed on door shell.The utility model provides a kind of motor vehicle self-priming door-locking system, not only realize unlock and the self-locking function of door lock, high reliablity, greatly reduce security risk, and the volume of door lock actuator is thinner, bigger output power is obtained, is also convenient for repairing bracing wire replacement, reduces the workload of maintenance personal.

Description

Motor vehicle self-priming door-locking system

Technical field

The utility model belongs to technical field of automobile accessories, more particularly to a kind of motor vehicle self-priming door-locking system.

Background technique

Automobile door lock is the important component component part of body of a motor car, is that collection safety, dicoration and a craftsmanship are The particular component of one.With the development of the automobile industry, the function and type of automobile door lock are increasingly various, and passenger is to automobile knowledge Understanding it is increasing, the requirement to car comfort is also higher and higher, wherein for car door, hommization is opened and closed Degree by the concern of client and vehicle company is also deeper and deeper.

Traditional automobile door lock has the following problems: one, at closing time, due to the shutdown resistance of auto parts and components, needing to make It can just be shut with biggish power, in actual use, door lock is often only in semi-locked state, do not lock entirely, thus in the presence of Biggish security risk；Two and during door interlock switch, collision noise brings discomfort to people, and influences it and use the longevity Life.

To overcome the above disadvantages, the positive research and innovation of those skilled in the art, it is a kind of safe and reliable to create Motor vehicle self-priming door-locking system.

Utility model content

The utility model not only realizes automobile mainly solving the technical problems that provide a kind of motor vehicle self-priming door-locking system The unlock of door lock and self-locking function, high reliablity greatly reduce security risk, and the stability of door lock is good, are guaranteeing to make While with the service life, have the function of antidetonation, noise reduction.

In order to solve the above technical problems, the technical solution that the utility model uses is: a kind of motor vehicle self-priming door lock System, including electric door lock, bracing wire and door lock controller, one end of the bracing wire connect with the electric door lock and the other end with The door lock controller connection；

The door lock controller includes first shell, and motor and transmission mechanism, the motor are equipped in the first shell Output shaft be equipped with output gear, the output gear connect with the transmission mechanism, and the transmission mechanism is connected by limiting Block is connect with bracing wire；

The transmission mechanism includes two layers of gear, gear nut and screw rod, and two layers of gear includes big first of diameter Layer gear and the small second layer gear of diameter, the output gear are meshed with the first layer gear, the second layer gear Be meshed with the gear nut, the gear nut circumferentially have the teeth engaged with second layer gear and centre bore have with The screw thread of wire rod thread connection, defining the direction that screw rod advances is front end, and the rear end of bracing wire is connected to limit link block and front end It is connect with door lock；

The controller is equipped with signaling switch, and signaling switch arrangement before and after the direction of advance of the screw rod is described It limits link block and is equipped with the trigger unit switched for trigger signal；

The electric door lock includes second shell, pawl assembly and ratchet, and the pawl assembly and the ratchet all pass through Rivet is installed on the inside of the second shell；

The ratchet, which is equipped with, drives it to rotate around rivet of ratchet so that the ratchet is caught in the self-locking driving mechanism of lock, The self-locking driving mechanism includes self-locking connecting rod, and the self-locking connecting rod is installed on the inside of the second shell, institute by rivet The one end for stating self-locking connecting rod matches with the ratchet and the other end is connect with the front end of the bracing wire, and the rear end of the bracing wire connects Connect door lock controller；

The pawl assembly includes pawl and pawl connecting rod, and the surface of the pawl connecting rod is equipped with the locating slot of indent, institute It states pawl to be installed in locating slot, and the pawl is equipped with the clamping portion to match with the ratchet, the pawl assembly is equipped with It is driven to rotate around the rivet of pawl assembly so that the unlock that the clamping portion of the pawl assembly and the ratchet are separated from each other is driven Motivation structure；

The unlock driving mechanism includes the solution that transmission gear, drive lugs, worm screw and the driving transmission gear rotate Lock driving motor, the unlock driving motor is fixed on the second shell, the output shaft for unlocking driving motor with it is described Worm screw connection, the worm screw engage with the transmission gear, and the drive lugs are fixed on the surface of the transmission gear to dial It moves the pawl assembly and realizes that the clamping portion of pawl assembly and the ratchet are separated from each other；

The electric door lock further include drive the pawl assembly and the intermeshing pawl return spring of the ratchet and The ratchet return spring for driving the ratchet and lock to be separated from each other.

Further to say, the pawl return spring is placed on the rivet of the pawl, and the first of the pawl return spring Second fixed arm of fixed arm and the pawl return spring is all connect with the second shell, and the of the pawl return spring One torque arm is fixed on pawl connecting rod, and the second torque arm of the pawl return spring is stuck in the side wall of pawl connecting rod；

The ratchet return spring is placed on the rivet of the ratchet, the first fixed arm of the ratchet return spring with it is described Second shell connection, the first torque arm of the ratchet return spring are fixed on the ratchet, and the second of the ratchet return spring Torque arm passes through the positioning hanging feet of the ratchet.

It further says, electric door lock further includes connecting rod return spring, and the connecting rod return spring is placed on the self-locking company Second fixed arm of the rivet of bar, the first fixed arm of the connecting rod return spring and the connecting rod return spring is all with described The connection of two shells, the first torque arm of the connecting rod return spring are fixed on self-locking connecting rod, and the second of the pawl return spring is turned round Arm is connect with the bracing wire.

Further say, the periphery of the ratchet and be circumferentially successively arranged full lock retention bead, half lock retention bead, Self-locking protrusion, positioning hanging feet and the locked groove to match with the lock, one end phase of the self-locking protrusion and the self-locking connecting rod Matching, the full lock retention bead and the half lock retention bead all match with the clamping portion.

It further says, electric door lock further includes pawl casing and ratchet switch, and the pawl casing and the ratchet are opened The second shell is all fixed in pass, and the surface of the pawl connecting rod is equipped with the pawl convex block to match with the pawl casing, The surface of the ratchet is equipped with the ratchet convex block to match with the ratchet switch.

It further says, the inside of the second shell is additionally provided with lock buffer stopper, and the lock buffer stopper is located at close The side of the lock, and the lock buffer stopper protrudes from the side wall of the second shell, the lock buffer stopper, which has, to be prolonged Fixed part is stretched, the side wall for extending fixed part is equipped with several grooves, and the groove is along the thickness direction for latching buffer stopper Setting.

It further says, the inner surface of the second shell is equipped with buffer stopper fixing groove, and the buffer stopper fixing groove is parallel In the inner surface of the second shell, the buffer stopper fixing groove has a positioning protrusion, the lock buffer stopper equipped with it is described The fixation hole that positioning protrusion matches.

It further says, the inner surface of the second shell is equipped with pawl return spring mounting groove, the pawl return bullet Spring is installed in the pawl return spring mounting groove；

The inner surface of the second shell is equipped with ratchet return spring mounting groove, and the ratchet return spring is installed on described In ratchet return spring mounting groove, the side wall of the ratchet return spring mounting groove is equipped with buckle structure and is returned with the fixation ratchet First fixed arm of position spring.

It further says, there is guidance signaling switch to contact with trigger unit for the two sides of the trigger unit of the limit link block Guiding surface.

It further says, the front end of screw rod is passed through by pin shaft between the screw rod and the limit link block and limit connects Block is connect to be fixedly connected.

It further says, the side wall of the second shell is additionally provided with pawl bumper and ratchet bumper, and the pawl is slow It rushes block to be located at close to the side of the pawl assembly, the ratchet bumper is located at close to the side of the ratchet.

It further says, the side wall of the second shell is set there are two card slot, and the card slot is interior to be equipped with fixed block, and two pieces The fixed block is individually fixed in the two side walls of the card slot, the two sides of the pawl bumper and the ratchet bumper Opposite sides is all equipped with the recessing groove to match with the fixed block.

The beneficial effects of the utility model at least have the following:

After the door lock controller of the utility model receives the unlocking signal of BCM (car body control module) transmitting, control immediately Door lock controller processed tenses bracing wire, opens electric door lock, the first signaling switch of door lock controller triggers and transmits signal at this time The trigger signal of the first signaling switch is received to BCM, BCM and control door lock controller unclamps bracing wire after judgement, is closed Electric door lock second signal switch connection and delivers a signal to BCM at this time, and the automatic switch lock for being achieved in motor vehicle tail-gate is dynamic Make；

One, in the utility model the motor of door lock controller output gear connected double-layer gear, double-layer gear tooth connection Nut is taken turns, gear nut nested encryptions have a screw rod, and screw rod is by limit link block connecting stay wire, when work, motor driven transmission To drive limit link block to slide along second shell and then pull bracing wire, which has a compact structure and a reasonable design is advantageously reduced for mechanism The production cost and cost of labor of enterprise；The side of screw rod sets the upper end that link block is limited there are two signaling switch equipped with triggering Portion, when limit link block is located at the first signaling switch, the button of the first signaling switch is located at the lower section of trigger unit and pushes against touching The lower end in hair portion, the first signaling switch are connected, and bracing wire is in tension, when limit link block is located at second signal switch, The button of second signal switch is located at the lower section of trigger unit and pushes against the lower end of trigger unit, second signal switch connection, at bracing wire In releasing orientation, in this way, realizing automatically reseting for controller, rationally, practicability is good for design；

Two, the signaling switch of the door lock controller setting in the utility model, having trigger signal and can pass signal The effect of BCM is passed, in addition signaling switch can also have the function of test speed and distance；The two sides of trigger unit have guidance letter Number guiding surface that contact with trigger unit of switch, designs guiding surface with guiding role, trigger signal is facilitated to switch, avoid by In signaling switch triggering less than causing controller not receive signal and failure.

Three, electric door lock includes pawl assembly and ratchet in the utility model, and pawl assembly, which is equipped with, drives it around pawl group The rivet of part rotates so that the unlock driving mechanism that the clamping portion of pawl assembly and ratchet are separated from each other, the self-locking protrusion of ratchet are set Having driving, it is rotated around the rivet of ratchet so that lock is caught in the self-locking driving mechanism of locked groove, to realize the unlock of automobile door lock And self-locking function, high reliablity, security risk is greatly reduced, more preferably, full retention bead of locking is close to half lock retention bead Side wall be inclined-plane, and its inclined direction is gradually tilted to the center of full lock retention bead from bottom surface to the top surface of protrusion, works as door Lock slides into full lock retention bead from half lock retention bead along inclined-plane from when being partly locked into full lock status, making clamping portion；

Four, the unlock driving mechanism of electric door lock includes transmission gear, drive lugs, worm screw and driving in the utility model The unlock driving motor of transmission gear rotation more preferably, is also set so that the clamping portion of pawl assembly and ratchet be made to be separated from each other Wheel return spring with teeth, so that drive lugs are separated with pawl connecting rod, to make pawl group under the action of pawl return spring Part and ratchet intermeshing, are realized self-locking；

Five, the surface of the pawl connecting rod of electric door lock is equipped with the locating slot being recessed inwardly, pawl installation in the utility model In in locating slot, such structure design, pawl installation and replacement are convenient, and the stability of pawl assembly is good；

Six, in the utility model the first fixed arm of the pawl return spring of electric door lock and pawl return spring second Fixed arm is all connect with second shell, and the first torque arm of pawl return spring is fixed on pawl connecting rod, and the of pawl return spring No matter in semi-locked state and entirely two torque arm are stuck in the side wall of pawl connecting rod, and such structure design tightly engages pawl with ratchet, Lock status makes ratchet with respect to rotation stop, prevents lock from skidding off from locked groove；

Seven, the first fixed arm of the ratchet return spring of electric door lock is connect with second shell in the utility model, ratchet First torque arm of return spring is fixed on ratchet, and the second torque arm of ratchet return spring passes through positioning hanging feet, provides the ratchet inverse time The torsion of needle is skidded off from the locked groove of ratchet convenient for lock；

Eight, electric door lock is equipped with pawl casing and ratchet switch in the utility model, and pawl casing and ratchet switch are all solid Due to second shell, the surface of pawl connecting rod is equipped with the pawl convex block to match with pawl casing, and the surface of ratchet is equipped with and spine The ratchet convex block that wheel switch matches, receives pawl casing and ratchet switch signal by door lock controller, to automobile door lock State be monitored and control；

Nine, the buffer stopper fixing groove of electric door lock has positioning protrusion in the utility model, and lock buffer stopper is equipped with and determines The fixation hole that position protrusion matches, lock buffer stopper to be fixed, it is worth mentioning at this point that, lock buffer stopper is solid with extending Determine portion, the side wall for extending fixed part is equipped with several grooves, and while fixed lock buffer stopper, it is slow that part can be absorbed in groove Impulse force has the function of antidetonation；

Ten, the side wall of the second shell of electric door lock is additionally provided with pawl bumper and ratchet bumper in the utility model, Pawl bumper is located at close to the side of pawl assembly, and ratchet bumper is located at close to the side of ratchet, is guaranteeing automobile door lock While service life, play the role of noise reduction.

Detailed description of the invention

Fig. 1 is the structural schematic diagram one of the utility model；

Fig. 2 is the structural schematic diagram two of the utility model；

Fig. 3 is the structural schematic diagram three of the utility model；

Fig. 4 is the structural schematic diagram between the transmission mechanism, limit link block and bracing wire of the utility model；

Fig. 5 is the structural representation of the pawl assembly, ratchet, unlock driving mechanism and self-locking driving mechanism of the utility model Figure；

Fig. 6 is one of decomposition diagram of the utility model (no bracing wire)；

Fig. 7 is two (band bracing wires) of the decomposition diagram of the utility model；

Fig. 8 is enlarged drawing at the A of Fig. 3 of the utility model；

Fig. 9 is enlarged drawing at the B of Fig. 3 of the utility model；

Figure 10 is the structural schematic diagram of the connecting rod return spring of the utility model；

Figure 11 is the structural schematic diagram of the ratchet of the utility model；

Figure 12 is the structural schematic diagram of the pawl connecting rod of the utility model；

Figure 13 is the structural schematic diagram of the lock buffer stopper of the utility model；

Figure 14 is the structural schematic diagram of the second shell of the utility model；

Figure 15 is the structural schematic diagram of the pawl bumper of the utility model；

Figure 16 is the structural schematic diagram of the gear return spring of the utility model；

Each section label is as follows in attached drawing:

Second shell 1, buffer stopper fixing groove 11, positioning protrusion 111, pawl return spring mounting groove 12, ratchet return bullet Spring mounting groove 13, buckle structure 131, pawl bumper 14, recessing groove 141, ratchet bumper 15, card slot 16, fixed block 161, Connector 17, pawl assembly 2, rivet 21, pawl 22, clamping portion 221, pawl connecting rod 23, locating slot 231, pawl convex block 232, Unlock driving mechanism 233, transmission gear 2331, drive lugs 2332, worm screw 2333, unlock driving motor 2334, ratchet 3, complete Lock retention bead 31, inclined-plane 311, half lock retention bead 32, self-locking raised 33, positioning hanging feet 34, locked groove 35, ratchet convex block 36, Lock 4, fixation hole 411, extends fixed part 412, groove 413, pawl return spring 5, the pawl return at lock buffer stopper 41 First torque arm of the first fixed arm 51 of spring, the second fixed arm 52 of the pawl return spring, the pawl return spring 53, the second torque arm 54 of the pawl return spring, ratchet return spring 6, the ratchet return spring the first fixed arm 61, The first torque arm 62, the second torque arm 63 of the ratchet return spring, pawl casing 7, ratchet switch of the ratchet return spring 8, gear return spring 9, the resilient arm 91 of gear return spring, self-locking driving mechanism 10, self-locking connecting rod 101, connecting rod return bullet Spring 102, the first fixed arm 1021 of the connecting rod return spring, the connecting rod return spring the second fixed arm 1022, described The first torque arm 1023, the second torque arm 1024 of the pawl return spring, bracing wire 100, second shell of connecting rod return spring 201, motor 202, output gear 203, limit link block 204, trigger unit 2041, two layers of gear 205, first layer gear 2051, Second layer gear 2052, gear nut 206, screw rod 207, screw rod 207, the first signaling switch 208 and second signal switch 209.

Specific embodiment

The preferred embodiment of the utility model is described in detail with reference to the accompanying drawing, so that the advantages of the utility model It can be easier to be readily appreciated by one skilled in the art with feature, to make the protection scope of the utility model apparent clear Define.

Embodiment: a kind of motor vehicle self-priming door-locking system, as shown in Fig. 1-Figure 16, including electric door lock, bracing wire 100 and door Lock controller 200, one end of the bracing wire is connect with the electric door lock and the other end is connect with the door lock controller；

The door lock controller includes first shell 201, is equipped with motor 202 and transmission mechanism, institute in the first shell The output shaft for stating motor is equipped with output gear 203, and the output gear is connect with the transmission mechanism, and the transmission mechanism passes through Limit link block 204 is connect with bracing wire 100；

The transmission mechanism includes two layers of gear 205, gear nut 206 and screw rod 207, and two layers of gear includes diameter Big first layer gear 2051 and the small second layer gear 2052 of diameter, the output gear are mutually nibbled with the first layer gear It closes, the second layer gear is meshed with the gear nut, and the gear nut circumferentially has to be engaged with second layer gear Teeth and centre bore have the screw thread connecting with wire rod thread, and the direction that definition screw rod advances is front end, and the rear end of bracing wire connects In limit link block and front end connect with door lock, and the motor driven transmission mechanism limits link block along first shell to drive It slides and then pulls bracing wire；

The controller is equipped with signaling switch, the signaling switch arrangement, institute before and after the direction of advance of the screw rod 207 Signaling switch is stated to set there are two and be respectively the first signaling switch 208 close to gear nut and the second letter far from gear nut Number switch 209, the limit link block 204 are equipped with the trigger unit 2041 for trigger signal switch, and controller controls motor and draws When straining at line, the limit link block is located at the first signaling switch, and the button of first signaling switch is located at trigger unit Lower section and the lower end for pushing against trigger unit, first signaling switch trigger and deliver a signal to BCM, and controller controls motor and unclamps When bracing wire, the limit link block is located at second signal switch, and the button of the second signal switch is located at trigger unit Lower section and the lower end for pushing against trigger unit, the second signal switch connection simultaneously deliver a signal to BCM again；

The electric door lock includes second shell 1, pawl assembly 2 and ratchet 3, and the pawl assembly and the ratchet are all logical Cross the inside that rivet 21 is installed on the second shell；

The ratchet, which is equipped with, drives it to be rotated around the rivet of ratchet so that the ratchet is caught in the self-locking driving mechanism of lock 4 10, the self-locking driving mechanism includes self-locking connecting rod 101, and the self-locking connecting rod is installed on the interior of the second shell by rivet The one end in portion, the self-locking connecting rod matches with the ratchet and the other end is connect with the front end of the bracing wire, the bracing wire Rear end connects door lock controller；

The pawl assembly includes pawl 22 and pawl connecting rod 23, and the surface of the pawl connecting rod is equipped with the locating slot of indent 231, the pawl is installed in locating slot, and the pawl is equipped with the clamping portion 221 to match with the ratchet, the pawl Component, which is equipped with, drives it to rotate around the rivet of pawl assembly so that the clamping portion of the pawl assembly and the ratchet are separated from each other Unlock driving mechanism；

The unlock driving mechanism includes transmission gear 2331, drive lugs 2332, worm screw 2333 and the driving transmission The unlock driving motor 2334 of gear rotation, the unlock driving motor are fixed on the second shell, the unlock driving electricity The output shaft of machine is connect with the worm screw, and the worm screw engages with the transmission gear, and the drive lugs are fixed on the biography Realize that the clamping portion of pawl assembly and the ratchet are separated from each other to stir the pawl assembly in the surface of moving gear；

The electric door lock further include drive the pawl assembly and the intermeshing pawl return spring 5 of the ratchet and The ratchet return spring 6 for driving the ratchet and lock 4 to be separated from each other.

The electric door lock further includes gear return spring 9, and the gear return spring is fixed on second shell, the tooth The resilient arm 91 of wheel return spring is connect with the transmission gear.

The pawl return spring is placed on the rivet of the pawl, the first fixed arm 51 of the pawl return spring and institute The second fixed arm 52 for stating pawl return spring is all connect with the second shell, the first torque arm 53 of the pawl return spring It is fixed on pawl connecting rod, the second torque arm 54 of the pawl return spring is stuck in the side wall of pawl connecting rod；

The ratchet return spring is placed on the rivet of the ratchet, the first fixed arm 61 of the ratchet return spring and institute Second shell connection is stated, the first torque arm 62 of the ratchet return spring is fixed on the ratchet, the ratchet return spring Second torque arm 63 passes through the positioning hanging feet 34 of the ratchet.

The electric door lock further includes connecting rod return spring 102, and the connecting rod return spring is placed on the self-locking connecting rod Second fixed arm 1022 of rivet, the first fixed arm 1021 of the connecting rod return spring and the connecting rod return spring all with institute Second shell connection is stated, the first torque arm 1023 of the connecting rod return spring is fixed on self-locking connecting rod, the pawl return spring The second torque arm 1024 connect with the bracing wire.

The periphery of the ratchet and circumferentially it is successively arranged full lock retention bead 31, half lock retention bead 32, self-locking convex The locked groove 35 for playing 33, positioning hanging feet 34 and matching with the lock, one end phase of the self-locking protrusion and the self-locking connecting rod Matching, the full lock retention bead and the half lock retention bead all match with the clamping portion；

The full lock retention bead is inclined-plane 311 close to the side wall of the half lock retention bead, and its inclined direction is by complete Bottom surface to the top surface for locking retention bead is gradually tilted to the center of full lock retention bead.

The electric door lock further includes pawl casing 7 and ratchet switch 8, and the pawl casing and the ratchet switch are all solid Due to the second shell, the surface of the pawl connecting rod is equipped with the pawl convex block 232 to match with the pawl casing, described The surface of ratchet is equipped with the ratchet convex block 36 to match with the ratchet switch.

The inside of the second shell is additionally provided with lock buffer stopper 41, and the lock buffer stopper is located at close to the lock Side, and the lock buffer stopper protrudes from the side wall of the second shell, the lock buffer stopper, which has, extends fixed part 412, the side wall for extending fixed part is equipped with several grooves 413, and the groove is set along the thickness direction of lock buffer stopper It sets.

The inner surface of the second shell is equipped with buffer stopper fixing groove 11, and the buffer stopper fixing groove is parallel to described second The inner surface of shell, the buffer stopper fixing groove have positioning protrusion 111, and the lock buffer stopper is equipped with and the positioning protrusion The fixation hole 411 to match.

The inner surface of the second shell is equipped with pawl return spring mounting groove 12, and the pawl return spring is installed on institute It states in pawl return spring mounting groove；

The inner surface of the second shell is equipped with ratchet return spring mounting groove 13, and the ratchet return spring is installed on institute It states in ratchet return spring mounting groove, the side wall of the ratchet return spring mounting groove is equipped with buckle structure 131 described in fixation First fixed arm of ratchet return spring.

The guiding surface that there is guidance signaling switch to contact with trigger unit for the two sides of the trigger unit of the limit link block.

The section of the trigger unit is isosceles trapezoid and the isosceles trapezoid includes the upper bottom being located above and is located below Bottom, the length at the upper bottom of the upper isosceles trapezoid is greater than the length of bottom.

Pass through front end and the fixed company of limit link block that pin shaft passes through screw rod between the screw rod and the limit link block It connects.

The side wall of the second shell is additionally provided with pawl bumper 14 and ratchet bumper 15, and the pawl bumper is located at Close to the side of the pawl assembly, the ratchet bumper is located at close to the side of the ratchet.

The side wall of the second shell is set there are two card slot 16, and the card slot is interior to be equipped with fixed block 161, and two pieces described solid Determine the two side walls that block is individually fixed in the card slot, opposite the two of the two sides of the pawl bumper and the ratchet bumper Side is all equipped with the recessing groove 141 to match with the fixed block.

The unlock driving motor, the self-locking driving mechanism, the pawl casing and the ratchet switch, the motor It is electrically connected respectively with BCM with all signaling switches.

Pass through front end and the fixed company of limit link block that pin shaft passes through screw rod between the screw rod and the limit link block It connects.

The motor is the motor that can be rotated and reverse.

The motor and all signaling switches are electrically connected with BCM respectively.

The working principle of the utility model is as follows: at closing time, so that automobile door lock is in half by manpower or electric strut Lock status, pawl assembly make under the action of pawl return spring the clamping portion of pawl assembly be stuck in ratchet half lock limit convex It rises, pawl casing is in the conductive state at this time, and ratchet switch is in an off state, and pawl casing and ratchet switch transmit signal To door lock controller, door lock controller control door lock controller work reels bracing wire, and self-locking connecting rod driving pawl rotates clockwise, Pawl assembly makes the clamping portion of pawl assembly be stuck in the full lock retention bead of ratchet under the action of pawl return spring, and pawl is convex Block and ratchet convex block are inconsistent with pawl casing and ratchet switch respectively, keep pawl casing and ratchet switch in the conductive state, And transmit a signal to door lock controller；

When opening the door, door lock controller control unlock driving motor rotation, unlock driving motor drives drive lugs to stir Pawl connecting rod, so that the clamping portion of pawl assembly and ratchet are separated from each other, ratchet is counterclockwise under the action of ratchet return spring Rotation is detached from lock from locked groove, and automobile back door is opened under the action of electric strut, and pawl casing and ratchet switch are all in disconnected Open state, and transmit a signal to door lock controller.

The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all Equivalent structure transformation made based on the specification and figures of the utility model, it is relevant to be applied directly or indirectly in other Technical field is also included in the patent protection scope of the utility model.

Claims (10)

1. a kind of motor vehicle self-priming door-locking system, it is characterised in that: including electric door lock, bracing wire (100) and door lock controller (200), one end of the bracing wire is connect with the electric door lock and the other end is connect with the door lock controller；

The door lock controller includes first shell (201), is equipped with motor (202) and transmission mechanism, institute in the first shell The output shaft for stating motor is equipped with output gear (203), and the output gear is connect with the transmission mechanism, and the transmission mechanism is logical Limit link block (204) is crossed to connect with bracing wire (100)；

The transmission mechanism includes two layers of gear (205), gear nut (206) and screw rod (207), and two layers of gear includes straight The big first layer gear (2051) of diameter and the small second layer gear (2052) of diameter, the output gear and the first layer gear It is meshed, the second layer gear is meshed with the gear nut, and the gear nut circumferentially has to be nibbled with second layer gear The teeth and centre bore of conjunction have the screw thread connecting with wire rod thread, and defining the direction that screw rod advances is front end, the rear end of bracing wire It is connected to limit link block and front end is connect with door lock；

The controller is equipped with signaling switch, and signaling switch arrangement before and after the direction of advance of the screw rod (207) is described It limits link block (204) and is equipped with the trigger unit (2041) switched for trigger signal；

The electric door lock includes second shell (1), pawl assembly (2) and ratchet (3), and the pawl assembly and the ratchet are all The inside of the second shell is installed on by rivet (21)；

The ratchet, which is equipped with, drives it to rotate around the rivet of ratchet so that the ratchet is caught in the self-locking driving mechanism of lock (4) (10), the self-locking driving mechanism includes self-locking connecting rod (101), and the self-locking connecting rod is installed on the second shell by rivet Inside, one end of the self-locking connecting rod matches with the ratchet and the other end is connect with the front end of the bracing wire, the drawing The rear end of line connects door lock controller；

The pawl assembly includes pawl (22) and pawl connecting rod (23), and the surface of the pawl connecting rod is equipped with the locating slot of indent (231), the pawl is installed in locating slot, and the pawl is equipped with the clamping portion (221) to match with the ratchet, described Pawl assembly, which is equipped with, drives it to rotate around the rivet of pawl assembly so that the clamping portion of the pawl assembly and the ratchet are mutual Isolated unlock driving mechanism；

The unlock driving mechanism includes transmission gear (2331), drive lugs (2332), worm screw (2333) and the driving biography The unlock driving motor (2334) of moving gear rotation, the unlock driving motor are fixed on the second shell, and the unlock is driven The output shaft of dynamic motor is connect with the worm screw, and the worm screw engages with the transmission gear, and the drive lugs are fixed on institute The surface of transmission gear is stated to stir the pawl assembly and realize that the clamping portion of pawl assembly and the ratchet are separated from each other；

The electric door lock further includes driving the pawl assembly and the intermeshing pawl return spring (5) of the ratchet and driving It moves the ratchet and latches the ratchet return spring (6) that (4) are separated from each other.

2. motor vehicle self-priming door-locking system according to claim 1, it is characterised in that: the pawl return spring is placed on institute State the rivet of pawl, the first fixed arm (51) of the pawl return spring and the second fixed arm of the pawl return spring (52) it is all connect with the second shell, the first torque arm (53) of the pawl return spring is fixed on pawl connecting rod, the spine The second torque arm (54) of pawl return spring is stuck in the side wall of pawl connecting rod；

The ratchet return spring is placed on the rivet of the ratchet, the first fixed arm (61) of the ratchet return spring with it is described Second shell connection, the first torque arm (62) of the ratchet return spring are fixed on the ratchet, the ratchet return spring Second torque arm (63) passes through the positioning hanging feet (34) of the ratchet.

3. motor vehicle self-priming door-locking system according to claim 1, it is characterised in that: the electric door lock further includes connecting rod Return spring (102), the connecting rod return spring are placed on the rivet of the self-locking connecting rod, and the first of the connecting rod return spring is solid The second fixed arm (1022) of fixed arm (1021) and the connecting rod return spring is all connect with the second shell, and the connecting rod returns The first torque arm (1023) of position spring is fixed on self-locking connecting rod, the second torque arm (1024) and the drawing of the pawl return spring Line connection.

4. motor vehicle self-priming door-locking system according to claim 1, it is characterised in that: the periphery of the ratchet and along week To be successively arranged full lock retention bead (31), half lock retention bead (32), self-locking raised (33), positioning hanging feet (34) and with it is described The locked groove (35) to match is latched, the self-locking protrusion and one end of the self-locking connecting rod match, the full lock retention bead All match with the clamping portion with the half lock retention bead.

5. motor vehicle self-priming door-locking system according to claim 1, it is characterised in that: further include pawl casing (7) and spine Wheel switch (8), the pawl casing and the ratchet switch are all fixed on the second shell, and the surface of the pawl connecting rod is set There is the pawl convex block (232) to match with the pawl casing, the surface of the ratchet is equipped with to match with the ratchet switch Ratchet convex block (36).

6. motor vehicle self-priming door-locking system according to claim 1, it is characterised in that: the inside of the second shell is also set Have lock buffer stopper (41), the lock buffer stopper is located at close to the side of the lock, and the lock buffer stopper protrudes from The side wall of the second shell, the lock buffer stopper, which has, extends fixed part (412), and the side wall for extending fixed part is equipped with Several grooves (413), the groove are arranged along the thickness direction of lock buffer stopper.

7. motor vehicle self-priming door-locking system according to claim 6, it is characterised in that: the inner surface of the second shell is set Have buffer stopper fixing groove (11), the buffer stopper fixing groove is parallel to the inner surface of the second shell, and the buffer stopper is fixed Slot has positioning protrusion (111), and the lock buffer stopper is equipped with the fixation hole (411) to match with the positioning protrusion.

8. motor vehicle self-priming door-locking system according to claim 2, it is characterised in that: the inner surface of the second shell is set There is pawl return spring mounting groove (12), the pawl return spring is installed in the pawl return spring mounting groove；

The inner surface of the second shell is equipped with ratchet return spring mounting groove (13), and the ratchet return spring is installed on described In ratchet return spring mounting groove, the side wall of the ratchet return spring mounting groove is equipped with buckle structure (131) described in fixation First fixed arm of ratchet return spring.

9. motor vehicle self-priming door-locking system according to claim 1, it is characterised in that: the trigger unit of the limit link block Two sides there is the guiding surface that contacts with trigger unit of guidance signaling switch.

10. motor vehicle self-priming door-locking system according to claim 1, it is characterised in that: the screw rod and the limit connect It connects and is fixedly connected by the front end that pin shaft passes through screw rod with limit link block between block.