CN101109246B - Full-automatic electric door lock for vehicle - Google Patents
Full-automatic electric door lock for vehicle Download PDFInfo
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- CN101109246B CN101109246B CN 200710070762 CN200710070762A CN101109246B CN 101109246 B CN101109246 B CN 101109246B CN 200710070762 CN200710070762 CN 200710070762 CN 200710070762 A CN200710070762 A CN 200710070762A CN 101109246 B CN101109246 B CN 101109246B
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Abstract
The invention relates to a fully automatic electro lock for vehicles, which comprises a ratchet, a motor and a drive system. The drive system comprises a pinion mounted on the output shaft of the motor; a driving part that is engaged with the pinion and drives. Another end of the driving part is provided with a first pressing part and a second pressing part; a first switch that matches with the first pressing part; a second switch that matches with the second pressing part; a force-applying arm that matches with the ratchet; a third switch detecting the position of the ratchet; a pawl limiting the ratchet to rotate toward the open position; an opening arm that is fixed with the pawl; a fourth switch that can detect whether the opening arm is at the initial state and can control the rotation of the motor; a swinging arm that can touch the lower end of the arc of the driving part, so that the rotation of the driving part can drive the swinging arm to swing, and another end of the swinging arm touches with another end of the opening arm. The drive system eliminates the shortcomings associated with a clutch, achieves the locking/unlocking of door lock through a single motor, so the invention is of advantages of the simple structure, the short process flow, the low manufacturing cost and the easy installation.
Description
Technical field
The invention belongs to the technical field of lock, relate in particular to a kind of full-automatic electric door lock for vehicle.
Background technology
The existing electric door lock that is used on the automobile, in particular for the electric lock on automobile (as the minibus) slide, it comprises automatically controlled part and mechanical part, central authorities' collection control integrated structure is arranged, and split-type structural is also arranged.
The implementation of automatically controlled part has two kinds in the electric door lock, and a kind of is that automatically controlled part adopts bi-motor to realize unblanking and locking of door lock respectively.Adopt the electric lock of bi-motor that two kinds of mounting meanss are arranged, a kind of is that two motors and lock body are installed together, and its shortcoming is a complex structure, and lock body inside will be designed a circuit separately, coordinates the connection of two motors and switch; Another kind is that a motor is installed with lock body, another motor is installed separately, link to each other with lock body by connector, its shortcoming is that appearance and size is big, the packing delivery is inconvenient, the assembly shop lock assembly crewman's of increase automobile factory workload, connector easily cause inefficacy.The operating principle of above-mentioned electric lock is: at closing time, when car door moves to half lock position by fully open position, show the switch connection of lock body ratchet position and send signal to controller, motor rotates after receiving the signal that controller transmits, and rotates through the worm and wormwheel back driven gear mechanism of slowing down.One force application component is housed on the gear, to lock ratchet presses (pushing away) to the full lock position by half lock position, realization is locked, after ratchet arrives the full lock position, show that the switch of ratchet position sends signal once more, the motor driven gear counter-rotating, when rotating back into initial position, with another switch connection, after controller is received the signal that switch sends, motor outage stall.When door lock is received enabling signal, another motor drives respective members after worm and wormwheel slows down, realize earlier that the door lock release mechanism is moved to by the lock position and separate stop bit and put, and then continue to drive member and make the lock ratchet operating position of outwarding winding, ratchet rotates to the enable possition by the full lock position under the spring force effect, open car door, connects during ratchet whiz operating position and opens switch, lock is opened switch and is sent signal, and initial position is got back in the motor outage.In sum, adopt bi-motor, so its overall structure size will become greatly, inconvenience is installed, and can increase cost.
Another kind of automatically controlled part realizes locking and unlocking function with single motor.As an application number is a kind ofly the U.S. Patent application of US20040056489 discloses to utilize single driven by motor clutch, the adhesive that relies on clutch with discharge the electric lock of locking and unblanking of realizing door lock.And for example a patent No. be US6550825 U.S. Patent Publication a kind ofly be beneficial to single motor and utilize planetary gearsets (being equivalent to clutch) to drive driving member action to realize the electric lock of locking and unblanking of door lock.Adhesive by clutch realizes locking and unblanking with release; Use the multi-stage gear transmission, also will consider the type selecting and the installation of motor and clutch, this will cause door lock appearance and size big, complex structure, and assembling testing process (technological process is long), the manufacturing cost height, reliability of products reduces.
Existing sliding door structure can be divided into two kinds on drag chain type structure and door knob formula structure, can make lock remain "on" position in the drag chain type structure, door knob formula structure then under the door open mode, the lock outage.So in door knob formula structure, load onto existing electric door lock; process is firm to be finished when locking in the meeting existence; someone opens the door suddenly; the sudden power phenomenon will appear; make normally return of transmission system; ratchet can not move to unlocking condition, at this moment will occur opening the car door situation, and client is absolutely unsafe.Also can exist when the process of unblanking and just finish, have the people to open the door suddenly, also the sudden power phenomenon can occur, because the normal return of transmission system, ratchet can not move to lock-out state, can not be locked.In the motorcar electric lock of existing employing servo driving, the motor outage is a king-sized problem.
Emergency processing design when in sum, existing electric door lock breaks down to motor is considered bad.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of only to use a motor and without clutch just can realize locking and the unblank full-automatic electric door lock for vehicle of process at above-mentioned prior art present situation.
Another technical problem to be solved by this invention provides a kind of full-automatic electric door lock for vehicle with current failure emergency function.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: a kind of full-automatic electric door lock for vehicle, comprise: one can turn to half lock position from the enable possition turns to the full lock position again, and can oppositely reset and turn to the ratchet of enable possition, and this ratchet is installed in rotation in the ratchet rotating shaft; One motor, the output shaft of this motor links to each other with ratchet by a transmission system that can drive above-mentioned ratchet rotation; It is characterized in that described transmission system comprises: one is installed in the pinion on the motor output shaft; One driving member, middle part is rotatable is arranged in the driving member rotating shaft for it, and an end of driving member is designed to cambered surface, and is provided with the driving cog with above-mentioned pinion on the lateral surface of this cambered surface, and the other end of driving member has first press section and second press section; One first switch, under the ratchet lock rear driving system resetted completion status, first switch and first press section matched, with the stall of control motor; One second switch, under the completion status of unblanking, the second switch and second press section match, with the control direction of motor rotation; One force arm is installed in the other end of above-mentioned driving member, and force arm and above-mentioned ratchet match, and push ratchet and rotates towards the full lock locality rotating with driving member; One can detect the 3rd switch of ratchet position, and the 3rd switch is controlled the rotation direction of motor in locking process; One in half lock and full lock position can with ratchet engaged with the ratchet of restriction ratchet to the enable possition rotation; One opens arm, and rotatable being arranged in the unlatching arm rotating shaft opened arm one end and ratchet and fixed, and the rotating shaft of unlatching arm is provided with to make opens the unlatching arm torsion spring that arm is reset to original state; Whether one can detect the unlatching arm is positioned at original state and can controls the 4th switch that motor rotates; One swing arm, its middle part is rotatable to be arranged in the swing arm rotating shaft, and swing arm one end can be touched with the cambered surface lower end of driving member, driving member is rotated can drive swing arm deflection, the other end of swing arm can be touched with the other end of opening arm, makes the deflection of swing arm can drive the deflection of unlatching arm.
Further improve, for making this electric door lock have the function of manually unblanking, and has sudden power in the process of locking simultaneously, and the function of emergent unlocking, above-mentioned transmission system also includes a control arm, the middle part of control arm is rotating to be arranged in the control arm rotating shaft, and the control arm upper end links to each other by pivot pin with swing arm one end, makes the deflection of control arm can drive swing arm deflection; Described force arm middle part is rotatably connected to the other end of driving member by the force arm rotating shaft, force arm upper end and ratchet match, described force arm lower end has a spacing pivot pin, and the force arm rotating shaft is provided with a force arm torsion spring, and this force arm torsion spring applies one to force arm can make the force arm upper end have the elastic force that leaves ratchet trend all the time; Described swing arm middle part has a upwardly extending support arm, the support arm upper end face has the recess that can match with above-mentioned limit shaft pin contacts, being arranged with one in the swing arm rotating shaft can make support arm be reset to the support arm torsion spring of original state trend, under support arm is positioned at original state, described force arm upper end is pushed ratchet and is turned to the full lock position, and the spacing pivot pin of force arm lower end is stuck on the recess to stop force arm deflection.
Further improve, for guaranteeing to finish fully sudden power after the process of unblanking, lock a door and can meet an urgent need, above-mentioned swing arm one end has an opening elongated slot, be provided with a finger in the opening elongated slot, this finger is spacing in the opening elongated slot by elastic component, finger had all the time rely on the trend of opening elongated slot upper end, the lower surface of the cambered surface of described driving member can be touched to promote swing arm deflection with finger, the lateral surface of cambered surface lower end has a deep-slotted chip breaker, the lower end of cambered surface has an arc transition face, and when transition face was arrived in the finger relative motion, finger can be taken advantage of a situation under the effect of support arm torsion spring and be slipped in the deep-slotted chip breaker.
Be rational deployment first press section and second press section, first switch and second switch, the first above-mentioned press section and the second press section mutual dislocation are provided with, the corresponding mutual dislocation setting of first switch and second switch.But conserve space improves and arranges efficient like this.
Open on the arm for ease of ratchet is assembled in, and be convenient to produce, the structure that above-mentioned unlatching arm links to each other with ratchet is, described unlatching arm and ratchet are installed in the rotating shaft of same unlatching arm, open arm one end and have an insertion section, correspondence, having one on ratchet can be for the slot of insertion section insertion.Certainly ratchet also can be made integrative-structure with the unlatching arm.
Above-mentioned ratchet has the lock slots of an opening, and one under half lock state with half lock slots of ratchet engagement, the male part that matches with force arm that also has an evagination.
Compared with prior art, the invention has the advantages that: it replaces original clutch and drive mechanism by the transmission system of mainly being made up of pinion, force arm, ratchet, unlatching arm, swing arm and each switch, eliminated the defective of using clutch to bring, and it also is to adopt single motor to realize locking and unblanking of door lock, so that it has is simple in structure, technological process weak point, low cost of manufacture, advantage easy for installation; Also have the interaction relation between each parts of transmission system of the present invention reliable and stable.
Description of drawings
Fig. 1 is the structural representation (door lock is in opening) under the positive surface state of the embodiment of the invention;
Fig. 2 is the structural representation (door lock is in opening) under the state of the embodiment of the invention back side;
Fig. 3 is the structural representation under the positive surface state of the embodiment of the invention (door lock lock process);
Fig. 4 is the structural representation under the positive surface state of the embodiment of the invention (door lock unblank process);
Fig. 5 is the structural representation under the state of the embodiment of the invention back side (the door lock process of unblanking, and after removing horizontal jam plate);
Fig. 6 finishes the emergent unlocking process during sudden power (structural representation under the positive surface state of electric lock) for the embodiment of the invention when locking process is firm;
Fig. 7 for the embodiment of the invention when just finishing when unblanking the emergent process of locking during sudden power (structural representation under the state of the electric lock back side);
Fig. 8 is in the relative position relation schematic diagram of ratchet, ratchet and lock pin in the half lock state for the embodiment of the invention;
Fig. 9 is in the relative position relation schematic diagram of ratchet, ratchet and lock pin in the full lock state for the embodiment of the invention;
Figure 10 is the scheme of installation (three-dimensional broken away view) of ratchet and pawl in the embodiment of the invention.
The specific embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
Shown in Fig. 1～7, be a most preferred embodiment of the present invention, a kind of full-automatic electric door lock for vehicle comprises:
One can turn to half lock position from the enable possition turns to the full lock position again, and the ratchet 1 that can oppositely reset and turn to the enable possition, as shown in figure 10, this ratchet 1 is installed in rotation in the ratchet rotating shaft 29, ratchet rotating shaft 29 generally is fixed on the vertical jam plate, as shown in Figure 9, the structure that ratchet 1 is resetted is a ratchet stage clip 35, when ratchet 1 during towards the full lock rotated position, pin 36 compression ratchet stage clips 35 on the ratchet 1, when ratchet 1 is not subjected to the external force effect, 36 on pin on the ratchet 1 is reset to the enable possition under the effect of ratchet stage clip 35, ratchet 1 has the lock slots 11 of an opening that takes the shape of the letter U.During general the use ratchet 1 is arranged on the slide of vehicle, on doorframe, then be fixed with a lock pin 32 that can snap in lock slots 11, when ratchet 1 turns to the opening direction of lock slots 11 when vertical with the slide moving direction, lock slots 11 blocks and pins lock pin 32, and slide is locked, when ratchet 1 turns to the opening direction and the slide moving direction level of lock slots 11, the locking that lock slots 11 is removed lock pin 32, be in open mode, i.e. laterally slippage of door.Vertically jam plate does not show in the drawings.
One motor 2, motor 2 are fixed on the horizontal jam plate 34, generally have the worm and gear slowing-down structure in the motor 2, and the output shaft of motor 2 links to each other with ratchet 1 by a transmission system that can drive above-mentioned ratchet 1 rotation.
Described transmission system comprises:
One is installed in the pinion 3 on motor 2 output shafts, and this pinion 3 can rotate with motor 1 output shaft.
One driving member 4, its middle part is rotatable to be arranged in the driving member rotating shaft 33, one end of driving member 4 is designed to cambered surface 41 and is provided with the driving cog 42 that meshes with pinion 3 on the lateral surface of cambered surface 41, be an end profile roughly curved gear-like of driving member 4 in driving member rotating shaft 33, the other end of driving member 4, be that the other end that driving member 4 is positioned at driving member rotating shaft 33 has first press section 43 and second press section 44, first press section 43 and the 44 mutual dislocation settings of second press section, and first press section 43 a little more than and protruding second press section 44.
One first switch 5, under ratchet 1 locking rear driving system resetted completion status, first switch 5 and first press section 43 matched, with 2 stalls of control motor; One second switch 6, under the completion status of unblanking, the second switch 6 and second press section 44 match, with control motor 2 rotation directions; First switch 5 and second switch 6 corresponding mutual dislocation settings, operated by rotary motion is on a shelf that shifts to install.
One force arm 7, force arm 7 middle parts are by the be rotatably connected other end of driving member 4 of force arm rotating shaft 21, force arm 7 upper ends and ratchet 1 match, rotate towards the full lock locality pushing ratchet 1 with driving member 4 rotations, promptly have one and the male part 13 that matches of force arm 7 upper ends in ratchet 1 one sides, when force arm 7 is descending with driving member 4, force arm 7 upper ends can compress male part 13, described force arm 7 lower ends have a spacing pivot pin 22, described force arm rotating shaft 21 is provided with a force arm torsion spring 23, and this force arm torsion spring 23 applies one to force arm 7 can make force arm 7 upper ends have the elastic force that leaves ratchet 1 trend.
One can detect the 3rd switch 8 of ratchet position, the 3rd switch 8 is controlled the rotation direction of motor 2 in locking process, the 3rd switch 8 is for rotating to detect the rotating switch of ratchet 1 position with ratchet, promptly the 3rd switch 8 is also rotatable is installed in the ratchet rotating shaft 29, and fixing with the pin 36 on the ratchet 1.
One can be in half lock and full lock position with ratchet 1 engagement with restriction ratchet 1 to the reset ratchet 9 of rotation of enable possition, ratchet 1 bottom has half lock slots 12 that meshes with ratchet 9 under half lock state, under the full lock state, then ratchet 9 is stuck on the sidewall of lock slots 11 1 sides.
One opens arm 10, rotatable being arranged in the unlatching arm rotating shaft 14, opening arm rotating shaft 14 is fixed on the vertical jam plate, vertically jam plate does not show in the drawings, unlatching arm 10 1 ends and ratchet 9 are fixing, the structure that unlatching arm 10 links to each other with ratchet 9 is, described unlatching arm 10 and ratchet 9 are installed in the same unlatching arm rotating shaft 14, open arm 10 1 ends and have an insertion section 101, corresponding, having one on ratchet 9 can open arm rotating shaft 14 and be provided with the unlatching arm torsion spring 15 that can make unlatching arm 10 be reset to original state, as shown in figure 10 for the slot 91 of insertion section 101 insertions.
Whether one can detect unlatching arm 10 is positioned at original state and can controls the 4th switch 16 that motor 2 rotates, and this switch is fixed on the vertical jam plate;
One swing arm 17, its middle part is rotatable to be arranged in the swing arm rotating shaft 30, swing arm rotating shaft 30 is fixed on the relevant position of horizontal jam plate 34, described swing arm 17 middle parts have a upwardly extending support arm 24, certainly this support arm 24 also can be parts independently, support arm 24 upper end faces have can with contact the recess 25 that matches with spacing pivot pin 22, being arranged with one in swing arm rotating shaft 30 can make support arm 24 be reset to the support arm torsion spring 31 of original state trend, be positioned under the original state at support arm 24, described force arm 7 upper ends are pushed ratchet 1 and are turned to the full lock position, and the spacing pivot pin 22 of force arm 7 lower ends is stuck on the recess 25 to stop force arm 7 deflections.
Shown in swing arm 17 other ends stated have an opening elongated slot 26, be provided with a finger 27 in the opening elongated slot 26, this finger 27 is spacing in opening elongated slot 26 by elastic component 28, elastic component 28 is a torsion spring, elastic component 28 is fixed on swing arm 17 back sides, elastic component 28 1 ends then are pressed on the lower surface of finger 27, make finger 27 have the trend that relies on opening elongated slot 26 upper ends all the time, the lower surface of cambered surface 41 can be touched to promote swing arm 17 deflections with finger 22 on the described driving member 4, the lateral surface of cambered surface 41 lower ends has a deep-slotted chip breaker 45, has an arc transition face 46 between driving member 4 lower ends and the deep-slotted chip breaker 45, when transition face 46 was arrived in finger 22 relative motions, finger 22 can be taken advantage of a situation under the effect of support arm torsion spring 31 and be slipped in the deep-slotted chip breaker 45.The other end of swing arm 17 can be touched with the other end of opening arm 10, makes the deflection of swing arm 17 can drive 10 deflections of unlatching arm.
One control arm 18, the middle part of control arm 18 is rotating to be arranged in the control arm rotating shaft 19, control arm rotating shaft 19 is fixed on the lower locking plate of horizontal jam plate 34, lower locking plate does not show in the drawings, control arm 18 upper ends link to each other by pivot pin 20 with swing arm 17 1 ends, make the deflection of control arm 18 can drive swing arm 17 deflections.Control arm 18 can be connected with inside and outside catch by connector, can realize the switch of inside and outside handle manual operation door.
Involved in the present invention first, second, the 4th switch 5,6,16 can be travel switch or photoinduction switch, be fixed together by the riveted joint mode between described horizontal jam plate 34 and the vertical jam plate, make horizontal jam plate 34 and vertical jam plate form a roughly L-shaped installing plate, it is a conventional structure, horizontal jam plate 34 and the surface level that moves door are installed, vertically jam plate then with move door and doorframe and equate the surface level installation.The present invention in use; also comprise a central controller; do not show in the drawings; this central controller receives the signal that each switch sends; come indication motor 2 actions; it generally comes central controller is carried out coding as required, is that the control program part is not a protection point of the present invention about central controller, does not launch to describe at this.The various reposition elements of the present invention's design generally adopt torsion spring, also can adopt other existing design that resets certainly.
Operating principle of the present invention and process are such:
As shown in Figure 3, locking process: at closing time, touch slide, this moment, ratchet 9 may just be fastened on half lock slots 12 on the ratchet 1, be that ratchet 1 is in half lock position, the 3rd switch 8 (rotating switch) detects ratchet 1 and is positioned at half lock position, as shown in Figure 8, send signal and give central controller, central controller sends instruction for motor 2, allows motor 2 drive pinion 3 and clockwise rotates, and 3 of pinions drive driving member 4 and rotate counterclockwise, be that driving member 4 rotates towards latched position, force arm 7 on the driving member 4 is also pushed ratchet side 1 to moving along with court, and after motor 2 rotated certain hours, the male part 13 on the ratchet 1 was pushed in force arm 7 upper ends, simultaneously, the spacing pivot pin 22 in force arm 7 lower ends is supported in the recess 25 of support arm 24 upper end faces, so force arm 7 upper ends can be pressed onto the full lock position by half lock position with ratchet 1, at this moment, ratchet 9 is stuck on ratchet lock groove 11 sidewalls, makes ratchet 1 remain at the full lock position; At this moment, the 3rd switch 8 detects ratchet 1 and is in the full lock position, send signal and give central controller, central controller sends instruction for motor 2, it is reseting procedure, allow motor 2 drive pinions 3 and rotate counterclockwise, 3 of pinions drive driving member 4 and clockwise rotate, and the force arm 7 on the driving member 4 is also along with away from ratchet 1, after first press section 43 on the driving member 4 touches first switch 5, send signal, central controller controls motor 2 stops operating, at this moment, whole drive system is returned to original state, under this state, ratchet 1 remains on latched position, and force arm 7 has certain deflection under 23 effects of force arm torsion spring.
As Fig. 1,2,4, shown in 5, opening process: when opening the door, the operator provides the instruction of opening the door and gives central controller, usually push certain button, motor 2 drives pinion 3 and rotates counterclockwise, pinion 3 drives driving member 4 and clockwise rotates, when the touching of the lower surface of the cambered surface 41 of driving member 4 and promote finger 27, finger 27 drives support arm 24 with swing arm 17 clockwise deflections, the other end of swing arm 17 then upwards promotes to open arm 10, unlatching arm 10 overcomes the torsion of opening arm torsion spring 15 and deflects, open arm 10 and leave original state, promptly opening arm 10 can not contact with the 4th switch 16, push open on swing arm 17 continues and open arm 10, open arm 10 and drive ratchet 9 deflections, ratchet 1 breaks away from the engagement of ratchet 9 like this, the full lock state is arranged gradually to half lock state, Zhongdao complete opening state, ratchet 1 is not subjected to the restriction of ratchet 9, ratchet 1 is reset to opening under the effect of ratchet stage clip 35, at this moment, second press section 44 on the driving member 4 touches second switch 6, second switch 6 sends signal and gives central controller, central controller sends instruction for motor 2, it is reseting procedure, motor 2 drives pinion 3 and clockwise rotates, and pinion 3 drives driving member 4 and rotates counterclockwise, when driving member 4 turns to certain position, ratchet 9 progressively resets under 15 effects of unlatching arm torsion spring with opening arm 10, be returned to initial position until opening arm 10, open arm 10 shake-up the 4th switch 16, the four switches 16 and send time delayed signal, motor 2 continues to drive pinion 3 and rotates a bit of time, be reset to reset condition until driving member 4, motor 2 stops, and swing arm 17 also resets to original state under 31 effects of support arm torsion spring, in this whole process of opening the door, first press section 43 is all the time in 5 contacts of first switch.
Certainly, opening process also can manually carry out, promptly only need in the operation or outer handle, drive control arm 18 counterclockwise deflections, control arm 18 drives swing arm 17 clockwise deflections, the other end of swing arm 17 then upwards promotes to open arm 10, open arm 10 and overcome the torsion deflection of opening arm torsion spring 15, and drive ratchet 9 deflections, make ratchet 1 break away from the engagement of ratchet 9, ratchet 1 gradually by the full lock state to half lock state, Zhongdao complete opening state, ratchet 1 is not subjected to the restriction of ratchet 9, ratchet 1 is reset to opening under the effect of ratchet stage clip 35, after the end, unclamp handle, open arm 10 and under 15 effects of unlatching arm torsion spring, reset, and control arm 18 resets under 31 effects of support arm torsion spring with swing arm 17.It is similar with the auto-unlocking process, and just motor 2 is failure to actuate all the time in this process.
As shown in Figure 6, in the car door of door knob formula structure, can there be such hidden danger, promptly finish when locking process is firm, sudden power, motor 2 cisco unity malfunctions, at this moment, force arm 7 upper ends one vertical compression the male part 13 of ratchet 1, cause to open car door, at this moment, only need control control arm 18, control arm 18 drives swing arm 17 and support arm 24 deflection clockwise together, the deflection of support arm 24 can not play a supportive role support arm 24 to the spacing pivot pin 22 of force arm 7 lower ends, force arm 7 is deflection clockwise under the effect of force arm torsion spring 23, like this, ratchet 1 just can not be pushed down in force arm 7 upper ends, and the other end of swing arm 17 simultaneously then upwards promotes to open arm 10, open arm 10 and overcome the torsion deflection of opening arm torsion spring 15, and drive ratchet 9 deflections, the engagement of ratchet 1 disengaging ratchet 9 like this, ratchet 1 gradually by the full lock state to half lock state, Zhongdao complete opening state, ratchet 1 can not be subjected to the restriction of ratchet 9, and ratchet 1 is reset to opening under the effect of ratchet stage clip 35, and the process of unblanking finishes, open arm 10 and under 15 effects of unlatching arm torsion spring, reset, and control arm 18 resets under 31 effects of support arm torsion spring with swing arm 17.If motor 2 itself does not damage, then when we once more at closing time, motor 2 energisings at first allow system reset, select locking process according to the position relation of ratchet 1 again.
As shown in Figure 7, in use also can there be such hidden danger, promptly when just finishing when unblanking sudden power, motor 2 cisco unity malfunctions, cambered surface 41 lower ends of general driving member 4 are compressing finger 27 all the time, promptly open arm 10 and ratchet 9 remains at opening, can not reset, ratchet 9 can not carry out spacing to ratchet 1, cause and can not lock, but since among the present invention to driving member 4, swing arm 17 unique design, just can not have such hidden danger.Because when finishing unlocking condition fully, finger 27 relative motions are to the transition face 46 of cambered surface 41, finger 27 can be taken advantage of a situation under the effect of support arm torsion spring 31 and be slipped in the deep-slotted chip breaker 45, promptly drive swing arm 17 fallback procedures is arranged, make swing arm 17 and open between the arm 10 spacing is arranged, ratchet 9 has certain return with opening arm 10 under 15 effects of unlatching arm torsion spring, just can guarantee once more at closing time, ratchet 9 can make ratchet 1 be under half lock or the full lock state and ratchet 9 engagement lockings, if motor 2 does not damage itself, motor 2 energisings at closing time once more, driving member 4 resets earlier, decide the rotation direction of motor 2 then according to the particular location of ratchet 1, if under half lock state, after then motor 2 drive driving members 4 reset earlier, then drive driving member 4 towards the full lock location deflection, if ratchet 1 is under the full lock state, just stall after then motor 2 drive driving members 4 reset, driving member 4 is in reseting procedure, deep-slotted chip breaker 45 promotes finger 27 and moves towards opening elongated slot 26 lower ends, when finger 27 leaves deep-slotted chip breaker 45,22 of fingers reset to original state under elastic component 28 effects.
Of the present invention is reference with the lock frontal all counterclockwise and clockwise.
Claims (6)
1. full-automatic electric door lock for vehicle comprises:
One can turn to the ratchet (1) that half lock position turns to the full lock position again, also can oppositely reset and turn to the enable possition from the enable possition, and this ratchet (1) is installed in rotation in the ratchet rotating shaft (29);
One motor (2), the output shaft of this motor (2) links to each other with ratchet (1) by a transmission system that can drive above-mentioned ratchet (1) rotation;
It is characterized in that described transmission system comprises:
One is installed in the pinion (3) on motor (2) output shaft;
One driving member (4), its middle part is rotatable to be arranged in the driving member rotating shaft (33), one end of driving member (4) is designed to cambered surface (41), and on the lateral surface of cambered surface (41), being provided with the driving cog (42) that meshes with above-mentioned pinion (3), the other end of driving member (4) has first press section (43) and second press section (44);
One first switch (5), under ratchet (1) locking rear driving system resetted completion status, first switch (5) matched with first press section (43), with the stall of control motor (2);
One second switch (6), under the completion status of unblanking, second switch (6) matches with second press section (44), with control motor (2) rotation direction;
One force arm (7) is installed in the other end of above-mentioned driving member (4), and force arm (7) and above-mentioned ratchet (1) match, and push ratchet (1) and rotates towards the full lock locality rotating with driving member (4);
One can detect the 3rd switch (8) of ratchet (1) position, and the 3rd switch (8) is controlled the rotation direction of motor (2) in locking process;
One in half lock and full lock position can with ratchet (1) engagement with the ratchet (9) of restriction ratchet (1) to the enable possition rotation;
One opens arm (10), turns to be arranged in the unlatching arm rotating shaft (14), and it is fixing to open arm (10) one ends and ratchet (9), opens arm rotating shaft (14) and is provided with the unlatching arm torsion spring (15) that can make unlatching arm (10) be reset to original state;
Whether one can detect unlatching arm (10) is positioned at original state and can controls the 4th switch (16) that motor (2) rotates;
One swing arm (17), its middle part is rotatable to be arranged in the swing arm rotating shaft (30), swing arm (17) one ends can be touched with cambered surface (41) lower end of driving member (4), driving member (4) is rotated to drive swing arm (17) deflection, the other end of swing arm (17) can be touched with the other end of opening arm (10), makes the deflection of swing arm (17) can drive the deflection of unlatching arm (10).
2. full-automatic electric door lock for vehicle according to claim 1, it is characterized in that described transmission system also includes a control arm (18), the middle part of control arm (18) is rotating to be arranged in the control arm rotating shaft (19), control arm (18) upper end links to each other by pivot pin (20) with swing arm (17) one ends, makes the deflection of control arm (18) can drive swing arm (17) deflection;
Described force arm (7) middle part is rotatably connected to the other end of driving member (4) by force arm rotating shaft (21), force arm (7) upper end and ratchet (1) match, described force arm (7) lower end has a spacing pivot pin (22), and force arm rotating shaft (21) is provided with a force arm torsion spring (23), and this force arm torsion spring (23) applies one to force arm (7) can make force arm (7) upper end have the elastic force that leaves ratchet (1) trend all the time;
Described swing arm (17) middle part has a upwardly extending support arm (24), support arm (24) upper end face has can contact the recess (25) that matches with above-mentioned spacing pivot pin (22), being arranged with one in swing arm rotating shaft (30) can make support arm (24) be reset to the support arm torsion spring (31) of original state trend, be positioned under the original state at support arm (24), described force arm (7) upper end is pushed ratchet (1) and is turned to the full lock position, and the spacing pivot pin (22) of force arm (7) lower end is stuck in recess (25) and goes up to stop force arm (7) deflection.
3. full-automatic electric door lock for vehicle according to claim 2, it is characterized in that described swing arm (17) one ends have an opening elongated slot (26), be provided with a finger (27) in the opening elongated slot (26), this finger (27) is spacing in opening elongated slot (26) by elastic component (28), finger (27) had all the time rely on the trend of opening elongated slot (26) upper end, the lower surface of the cambered surface (41) of described driving member (4) can be touched to promote swing arm (17) deflection with finger (27), the lateral surface of cambered surface (41) lower end has a deep-slotted chip breaker (45), has an arc transition face (46) between the lower end of cambered surface (41) and the deep-slotted chip breaker (45), when transition face (46) was arrived in finger (27) relative motion, finger (27) can be taken advantage of a situation under the effect of support arm torsion spring (31) and be slipped in the deep-slotted chip breaker (45).
4. according to claim 1,2 or 3 described full-automatic electric door lock for vehicle, it is characterized in that described first press section (43) and second press section (44) mutual dislocation setting, first switch (5) and the corresponding mutual dislocation setting of second switch (6).
5. according to claim 1,2 or 3 described full-automatic electric door lock for vehicle, it is characterized in that described unlatching arm (10) with the structure that ratchet (9) links to each other is, described unlatching arm (10) and ratchet (9) are installed in the same unlatching arm rotating shaft (14), open arm (10) one ends and have an insertion section (101), correspondence, (9) have a slot (91) that can supply insertion section (101) to insert on ratchet.
6. according to claim 1,2 or 3 described full-automatic electric door lock for vehicle, it is characterized in that described ratchet (1) has the lock slots (11) of an opening, reach half lock slots (12) that under half lock state, meshes, also have male part (a 13) evagination and that force arm (7) matches with ratchet (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710070762 CN101109246B (en) | 2007-08-10 | 2007-08-10 | Full-automatic electric door lock for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710070762 CN101109246B (en) | 2007-08-10 | 2007-08-10 | Full-automatic electric door lock for vehicle |
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| Publication Number | Publication Date |
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| CN101109246A CN101109246A (en) | 2008-01-23 |
| CN101109246B true CN101109246B (en) | 2010-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200710070762 Active CN101109246B (en) | 2007-08-10 | 2007-08-10 | Full-automatic electric door lock for vehicle |
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Application publication date: 20080123 Assignee: NINGBO MINTH AUTOMOTIVE PARTS RESEARCH&DEVELOPMENT Co.,Ltd. Assignor: NINGBO XINTAI MACHINERY Co.,Ltd. Contract record no.: X2023980053787 Denomination of invention: A fully automatic electric car door lock Granted publication date: 20101201 License type: Common License Record date: 20231225 |