CN202788319U - Door locking device for vehicle - Google Patents

Abstract

The utility model provides a door locking device for a vehicle. In a closing device of the door locking device for the vehicle, detection of clamping of foreign matters is not prone to be influenced by ambient temperature or opening and closing conditions of a vehicle door relative to a vehicle body, and the foreign matters can be reliably prevented from being clamped. The door locking device for the vehicle is characterized in that a mechanical driving force detection device (30) is utilized for detecting whether the foreign matters are clamped between the vehicle door and the vehicle body, the mechanical driving force detection device (30) is clamped on a driving rod (23) of the closing device (20) and used for detecting driving force transmitted from a motor (24) of the closing device (20) to a latch block. Therefore, the detection of the clamping of the foreign matters is not prone to be influenced by the ambient temperature or the opening and closing conditions of the vehicle door relative to the vehicle body, high precision clamping detection can be achieved, and the foreign matters can be reliably prevented from being clamped.

Description

Door lock device for vehicle

Technical field

The utility model relates to door lock device for vehicle, particularly relate to the door lock device for vehicle that possesses shutoff device, this shutoff device possesses: bolt lock mechanism, this bolt lock mechanism possess the breech lock that can engage with striker, and possess the post that can keep this breech lock under half lock status and full lock state; Latch bar, this latch bar can make the breech lock of half lock status move to the full lock state; Drive rod, this drive rod link with this latch bar via drive cable; And motor, this motor can drive this drive rod and carry out forward or reverse.

Background technology

For example in the following patent documentation 1 this door lock device for vehicle has been shown.In the door lock device for vehicle shown in the following patent documentation 1, when the door of vehicle is in the semi-closure state, when the breech lock of bolt lock mechanism is in half lock status, then motor makes drive rod carry out forward, make thus latch bar carry out forward via drive cable, therefore the breech lock of half lock status can move to the full lock state.And when breech lock moves and the door that makes vehicle when being in full-shut position to the full lock state, then motor stops, and drive rod, drive cable, latch bar etc. also stop thus.And after the door of vehicle was transferred to full-shut position, motor reversed drive rod, and latch bar is reversed, so drive rod, drive cable, latch bar etc. move to initial position.When drive rod, drive cable, latch bar etc. moved to initial position, then motor shut down, so that shutoff device is in original state.

In addition, for example shown in the following patent documentation 2, constitute and utilize each sensor to detect following situation etc.: the breech lock of bolt lock mechanism is in the situation of half lock status; The situation that breech lock moves to the full lock state; And drive rod, drive cable, latch bar etc. move to the situation of initial position, thereby constitute motor control assembly (controller) is controlled motor based on the detection signal of each sensor action.

And, in following patent documentation 3, following structure has been shown: utilize position sensor (sandwich and prevent sensor) to detect breech lock under half lock status rotates to situation from the position of regulation to the full lock state, under this state, sandwich foreign matter between because of car door and vehicle body so that the current value that circulates when reaching setting, reverses motor in motor.

Patent documentation 1: TOHKEMY 2007-138532 communique

Patent documentation 2: TOHKEMY 2010-84321 communique

Patent documentation 3: Japanese kokai publication hei 9-287336 communique

(problem that utility model will solve)

In above-mentioned patent documentation 3, adopted following structure: under the detected state of position sensor (sandwich and prevent sensor), when the current value that circulates reaches setting, make motor reversal in motor.Yet, for the current value that in motor, circulates, the impact that is caused with respect to the deviation of the switch of vehicle body etc. by the deviation of the Motor torque that causes based on ambient temperature and car door is larger, though do not sandwich foreign matter and car door can't be pulled into full-shut position also or sandwich the possibility that foreign matter also can be pulled into car door full-shut position even therefore have.

The utility model content

(being used for solving the means of problem)

The utility model is to make in order to solve above-mentioned problem, and purpose is to provide a kind of door lock device for vehicle (technical scheme 1 related utility model), it is characterized in that possessing:

Bolt lock mechanism, this bolt lock mechanism possesses the breech lock that engages with striker, and possesses the post that can keep this breech lock under half lock status and full lock state;

Shutoff device, this shutoff device possesses: the drive rod that the breech lock that can make half lock status moves to the full lock state and the motor that can drive in the mode of forward or reverse this drive rod; And

Mechanical driving force checkout gear, this driving force checkout gear is clipped on described drive rod, for detection of the driving force of transmitting to described breech lock from described motor,

Described door lock device for vehicle also possesses control module, just make described drive rod at described motor then make described breech lock from half lock status to initial stage that the full lock state moves, utilizing the detected driving force of described driving force checkout gear to reach setting value when above, this control module stops described motor or reverses.

The utility model related according to technical scheme 2, described drive rod possesses: by lever, this can be made the breech lock under half lock status move to the full lock state by lever; The motor bar, this motor bar with respect to described by lever with coaxial and can counterrotating mode assemble, and link with described motor; Spring, this spring is arranged on described motor bar and described by between the lever, when reaching setting value, described driving force carries out the elastic deformation of ormal weight, make thus described motor bar with respect to the described relative rotation of being carried out ormal weight by lever, described driving force checkout gear possesses switch, carry out the elastic deformation of ormal weight at described spring from original state and make described motor bar with respect to described when relatively having been rotated ormal weight by lever, this switch moves.And the utility model related according to technical scheme 3 possesses the latch bar that the breech lock that can make half lock status moves to the full lock state, and described drive rod possesses: by lever, this is linked with described latch bar via drive cable by lever; The motor bar, this motor bar with respect to described by lever with coaxial and can counterrotating mode assemble, and link with described motor; Spring, this spring is arranged on described motor bar and described by between the lever, when reaching setting value, described driving force carries out the elastic deformation of ormal weight, make thus described motor bar with respect to the described relative rotation of being carried out ormal weight by lever, described driving force checkout gear possesses switch, carry out the elastic deformation of ormal weight at described spring from original state and make described motor bar with respect to described when relatively having been rotated ormal weight by lever, this switch moves.

The utility model related according to technical scheme 4, described switch is rotary switch, possesses: the first terminal, this first terminal and describedly rotated integratedly by lever; The second terminal, this second terminal and described motor bar rotate integratedly, can be with respect to the contact of described the first terminal or noncontact, with respect to described when relatively having been rotated ormal weight by lever, this switch moves at described motor bar.

The utility model related according to technical scheme 5, described switch is cam switch, possesses: cam, this cam is linked in mode that can the one rotation by lever with respect to described; Cam follower, this cam follower with respect to described motor bar with can one rotation and can linking in the mobile mode of axis of rotation direction; Back-moving spring, this back-moving spring with described cam follower on the axis of rotation direction towards the reset position application of force; Limit switch, this limit switch moves according to described cam follower moving on the axis of rotation direction, and with respect to described when relatively having been rotated ormal weight by lever, described switch moves at described motor bar.

The utility model related according to technical scheme 6, a kind of door lock device for vehicle is provided, it is characterized in that, possess: bolt lock mechanism, this bolt lock mechanism possesses the breech lock that engages with striker, and possesses the post that can keep this breech lock under half lock status and full lock state; Shutoff device, this shutoff device possesses: latch bar, the drive rod that links with described latch bar via drive cable and the motor that can drive with forward or reverse described drive rod that the breech lock under half lock status is moved to the full lock state; And mechanical driving force checkout gear, this driving force checkout gear is clipped on described drive cable, for detection of the driving force of transmitting to described latch bar from described drive rod, described door lock device for vehicle also possesses control module, make described drive rod forward and make described latch bar forward via described drive cable at described motor, and then make described breech lock from half lock status to initial stage that the full lock state moves, utilizing the detected driving force of described driving force checkout gear to reach setting value when above, this control module stops described motor or reverses.

The utility model related according to technical scheme 7, described driving force checkout gear possesses: latch bar side inner wire, this latch bar side inner wire and described latch bar link; Drive rod side inner wire, this drive rod side inner wire and described drive rod link; Spring, this spring are arranged between two described inner wires, carry out the elastic deformation of ormal weight when described driving force reaches setting value; Switch, when described spring had carried out the elastic deformation of ormal weight, this switch moved.

The utility model related according to technical scheme 8, described driving force checkout gear is assembled in inner housing, and this inner housing is assembled in the mode that can move in the shell body of a part of the exterior tube that consists of described drive cable.

The utility model related according to technical scheme 9, the drive rod side end of described latch bar side inner wire is fixed in described inner housing, the latch bar side end of described drive rod side inner wire is assembled in described inner housing in the mode that can relatively move, described spring is clipped between the latch bar side end and described inner housing of described drive rod side inner wire in mode that can compressive strain, described inner housing is fixed in the contact section of described switch, and the bar section of described switch is fixed on the latch bar side end of described drive rod side inner wire.

(action effect of utility model)

According to above-mentioned door lock device for vehicle of the present utility model, mechanical driving force checkout gear is clipped on the drive rod of shutoff device, breech lock by motor just then from half lock status to initial stage that the full lock state moves, utilize the detected driving force of driving force checkout gear to reach setting value when above when between car door and vehicle body, having sandwiched foreign matter, utilize control device that motor is stopped or reversing.Therefore, if between car door and vehicle body, have foreign matter to sandwich, can prevent that then the full-shut position to car door is drawn in by motor.

Yet, in the utility model, constitute: utilize the drive rod be clipped on shutoff device, for detection of the mechanical driving force checkout gear of the driving force of transmitting from motor to breech lock, can detect the situation that between car door and vehicle body, sandwiches foreign matter.Therefore, the detection that sandwiches foreign matter is not vulnerable to ambient temperature or car door with respect to the impact of vehicle body switch, can carry out the high-precision detection that sandwiches, thereby can avoid reliably sandwiching foreign matter.

And, when implementing the utility model, described drive rod possesses: the breech lock that can make half lock status to the full lock state move by lever (latch bar that perhaps, moves to the full lock state with the breech lock that can make half lock status via drive cable link by lever); The motor bar, this motor bar with respect to described by lever with coaxial and can counterrotating mode assemble, and link with described motor; Spring, this spring is arranged on described motor bar and described by between the lever, when reaching setting value, described driving force carries out the elastic deformation of ormal weight, make thus described motor bar with respect to the described relative rotation of being carried out ormal weight by lever, described driving force checkout gear also possesses switch, carried out the elastic deformation of ormal weight at described spring and make described motor bar with respect to described when relatively having been rotated ormal weight by lever, this switch moves, in this case, the load character when changing spring and begin elastic deformation for example just can adapt to the switch of the car door under the poorest condition.

In addition, when implementing the utility model, the driving force checkout gear possesses: latch bar side inner wire, and this latch bar side inner wire and latch bar link; Drive rod side inner wire, this drive rod side inner wire and drive rod link; Spring, this spring are arranged between two inner wires, carry out the elastic deformation of ormal weight when driving force reaches setting value; Switch has carried out at spring after the elastic deformation of ormal weight, and this switch moves, and in this case, the load character when changing spring and begin elastic deformation for example just can adapt to the switch of the car door under the poorest condition

Description of drawings

Fig. 1 is the lateral view at vehicle front position that comprises an embodiment of door lock device for vehicle of the present utility model.

Fig. 2 is the amplification rearview of door lock device for vehicle shown in Figure 1.

Fig. 3 is the lateral view of door lock device for vehicle (controller that comprises the action of controlling motor) shown in Figure 2.

Fig. 4 is the figure of the relation of breech lock when being in half lock status and latch bar and being in original state of breech lock that Fig. 2 and door lock device for vehicle shown in Figure 3 be shown, post, latch bar etc.

Fig. 5 is the figure that the relation of breech lock when utilizing latch bar that breech lock shown in Figure 4 is moved from from half lock status to the full lock state, post, latch bar etc. is shown.

Fig. 6 is the enlarged side view of the actuator part of Fig. 2 and shutoff device shown in Figure 3.

Fig. 7 is the exploded stereogram of the actuator part of shutoff device shown in Figure 6.

Fig. 8 be Figure 6 and Figure 7 by the figure of lever monomer, (a) figure is lateral view, (b) figure is the sectional view along the A-A line of (a) figure.

Fig. 9 is the enlarged drawing of off-state that schematically illustrates the rotary switch of Figure 6 and Figure 7.

Figure 10 is the figure that schematically illustrates the on-state of rotary switch shown in Figure 9.

Figure 11 be illustrate Fig. 1～shown in Figure 9 door lock device for vehicle each switch connection, disconnect the action specification figure of action and the relation of the stroke (half lock status, full lock state) of striker.

Figure 12 adopts cam switch to replace the exploded stereogram of actuator part of shutoff device of embodiment of the rotary switch of Figure 6 and Figure 7.

Figure 13 is the amplification view that the off-state of cam switch shown in Figure 12 is shown.

Figure 14 is the sectional view that the on-state of cam switch shown in Figure 13 is shown.

Drawing reference numeral explanation: 10 ... bolt lock mechanism; 11 ... breech lock; 11a ... the first holding section; 11b ... the second holding section; 11c ... latch locking groove; 12 ... post; 12a ... axial region; 12b ... fastener; 20 ... shutoff device; 21 ... latch bar; 22 ... drive cable; 22a ... exterior tube; 22b ... inner wire; 23 ... drive rod; 23a ... by lever; 23b ... the motor bar; 23c ... spring; 23d ... pin; 24 ... motor; 25 ... bolster; 26 ... axis of rotation; 27 ... the cancellation bar; 30 ... mechanical driving force checkout gear; 31 ... rotary switch; 31a ... housing; 31b ... external rotor; 31c ... inner rotator; 31d, 31d ... the first terminal; 31e ... the second terminal; 32 ... cam switch; 32a ... cam; 32b ... cam follower; 32c ... back-moving spring; 32d ... pad (spring base); 32e ... limit switch; 33 ... latch bar side inner wire; 33a ... the drive rod side end; 34 ... drive rod side inner wire; 34a ... the latch bar side end; 40 ... controller (control module); 41 ... distribution; 42 ... supply lines; 100 ... door lock device for vehicle; 201 ... car door; 202 ... vehicle body; 203 ... striker; 204 ... interior door handle; 205 ... outer door handle; SW1 ... latch switch; SW2 ... the post switch; SW3 ... reset switch.

The specific embodiment

Below based on accompanying drawing embodiment of the present utility model is described.Fig. 1～Figure 11 shows an embodiment of door lock device for vehicle of the present utility model, this door lock device for vehicle 100 possesses the bolt lock mechanism 10(of car door 201 of the right front that is assembled in vehicle with reference to Fig. 1～5), shutoff device 20(is with reference to Fig. 1～3 and Fig. 5～8), driving force checkout gear 30(is with reference to Fig. 6, Fig. 7), and possess be assembled in vehicle body 202 controller 40(with reference to Fig. 3).

Such as Fig. 1～shown in Figure 5, bolt lock mechanism 10 possesses: breech lock 11, this breech lock 11 can be with respect to striker 203 engagings of being fixed in vehicle body 202, break away from; Post 12, this post 12 can be with respect to 11 engagings of above-mentioned breech lock, non-engagings, and can keep (maintenance), releasing breech lock 11 engaging with respect to striker 203 under half lock status (state of Fig. 4) and full lock state (state of Fig. 5); And with the lifting arm of above-mentioned post 12 one (omitting diagram).Set under half lock status (with reference to the HALF of Figure 11): the door 201 of vehicle becomes the semi-closure state, and the latch switch SW1 that detects the position of rotation of breech lock 11 maintains on-state, set under full lock state (with reference to the FULL of Figure 11): the door 201 of vehicle becomes full-shut position, and latch switch SW1 is maintained at off-state.

In addition, the latch switch of putting down in writing with TOHKEMY 2010-84321 communique (patent documentation 2) is identical, latch switch SW1 constitutes with the action of breech lock 11 and connects in linkage, disconnects action, set for: before becoming half lock status, switch to on-state from off-state, before becoming the full lock state, switch to off-state (with reference to Figure 11) from on-state.And formation (electrical connection) is: the detection signal of latch switch SW1 (connection, cut-off signal) is input to controller 40 by distribution shown in Figure 3 41.

Such as Fig. 4 and shown in Figure 5, breech lock 11 has the first holding section (partly locking pawl) 11a and the second holding section (full lock pawl) 11b, and assembles with respect to bolster 14 in the mode that can rotate, and this bolster 14 is assembled in substrate shown in Figure 2 13 etc.And breech lock 11 is reset spring (omitting diagram) to original state (striker 203 can be embedded in the state of the latch locking groove 11c of the breech lock 11) application of force, and is kept by stop part (omitting diagram) under original state.

On the other hand, post 12 utilize axial region 12a and can rotary assembled in substrate 13 etc., and have the fastener 12b that can engage, break away from the first holding section 11a or the second holding section 11b of breech lock 11.And post 12 is reset spring (omitting diagram) to Fig. 4 and reset mode (state that keeps breech lock 11 under half lock status or the full lock state) application of force shown in Figure 5, and is kept by stop part (omitting diagram) under reset mode.

As shown in figure 11, constitute: the off-state (cut-off signal) according to post interrupteur SW 2 detects the situation that post 12 is in reset mode.Therefore, according to the on-state (connection signal) of latch switch SW1 and switching from from the on-state (connection signal) of post interrupteur SW 2 to off-state (cut-off signal), can detect half lock status (with reference to the HALF of Figure 11).And, according to the off-state (cut-off signal) of latch switch SW1 and switching from from the on-state (connection signal) of post interrupteur SW 2 to off-state (cut-off signal), can detect full lock state (with reference to the FULL of Figure 11).

In addition, the post switch of putting down in writing with TOHKEMY 2010-84321 communique (patent documentation 2) is identical, and post interrupteur SW 2 constitutes: be in on-state when post 12 rotates, be in off-state when returning to original state.And formation (electrical connection) is: the detection signal of post interrupteur SW 2 (connection, cut-off signal) also is imported into controller 40 by distribution 41.

With the lifting arm of post 12 one (omitting diagram) via opening connecting rod, all-or-nothing piece etc. (omitting diagram) with the interior door handle 204(of the inboard that is arranged at car door 201 with reference to Fig. 1) is connected, and via opening connecting rod, all-or-nothing piece etc. (omit and illustrate) with the outer door handle 204(in the outside that is arranged at car door 201 with reference to Fig. 1) be connected.Opening connecting rod (omitting diagram) constitutes between released state or lock-out state and switches, under released state, car door opening operation to interior door handle 204 and outer door handle 205 can be delivered to the lifting arm (omitting diagram) with post 12 one, under lock-out state, then the car door opening operation to interior door handle 204 and outer door handle 205 can not be delivered to the lifting arm (omitting diagram) with post 12 one.

Such as Fig. 1～shown in Figure 8, shutoff device 20 possesses: latch bar 21, this latch bar 21 can make the breech lock 11 of half lock status move to the full lock state; Drive rod 23, this drive rod 23 link with above-mentioned latch bar 21 via drive cable 22; Motor 24, this motor 24 can drive in the mode of forward or reverse above-mentioned drive rod 23.Latch bar 21 constitutes: the forward by motor 24 for example by reset position shown in Figure 4 to operating position shown in Figure 5 from driving, for example driven to reset position shown in Figure 4 from operating position shown in Figure 5 by the counter-rotating of motor 24.

In addition, constitute: when latch bar 21 returns to reset position, latch bar 21 engages with bolster 25 butts and with reset switch SW3, according to the switching from the on-state (connection signal) of reset switch SW3 to off-state (cut-off signal), detects the reset case of latch bar 21.In addition, consisting of (electrical connection) is: the detection signal of reset switch SW3 (connection, cut-off signal) also is input to controller 40 by distribution 41.

Such as Fig. 6～shown in Figure 8, drive rod 23 possesses: via drive cable 22 with latch bar 21 link by lever 23a; And motor bar 23b, this motor bar 23b is assembled in axis of rotation 26(integratedly with reference to Fig. 7), this axis of rotation 26 via planetary gears and worm mechanism (although omitted the diagram of these mechanisms, but the planetary gears of putting down in writing with TOHKEMY 2007-138532 communique (patent documentation 1) in fact and worm mechanism are identical structures) and link with the output shaft of motor 24, and possess and be arranged at motor bar 23b and by the spring 23c between the lever 23a.In addition, between the internal gear of planetary gears and above-mentioned all-or-nothing piece (omitting diagram), be provided with zeroing mechanism (although the cancellation bar 27 as one of its structure member shown in Figure 6, but owing to be identical structure with zeroing mechanism that TOHKEMY 2007-138532 communique (patent documentation 1) is put down in writing in fact, therefore the description thereof will be omitted), this zeroing mechanism is by making the exercise void of shutoff device 20 to interior door handle 204 and the car door opening operation of outer door handle 205.

As shown in Figure 8, had circular installing hole 23a1, fan-shaped housing recess 23a2, pin inserting hole 23a3, circular-arc cable guiding groove 23a4 etc. by lever 23a, utilize installing hole 23a1 and with respect to freely assembling of axis of rotation 26 rotations, utilize folder 28 to make itself and motor bar 23b with respect to axis of rotation 26 anti-avulsions.Motor bar 23b has spline installing hole 23b1, circular-arc elongated slot 23b2 etc., under being accommodated in by the state of the fan-shaped housing recess 23a2 of lever 23a, utilizes spline installing hole 23b1 to assemble rotatably with respect to the spline part 26a one of axis of rotation 26.

Spring 23c is compression helical spring, when the driving force of transmitting to latch bar 21 via drive cable 22 from drive rod 23 reaches setting value, carry out the elastic deformation of ormal weight, make thus motor bar 23b with respect to the relative rotation of being carried out ormal weight by lever 23a, this spring 23c is to be contained the mode that preloads that applies regulation in the circular-arc elongated slot 23b2 that is provided with motor bar 23b, at one end engage with the end wall of elongated slot 23b2, to sell inserting hole 23a3 and elongated slot 23b2 at the other end via pin 23d(and connect, two ends with by the binding of lever 23a ca(u)lk) and with engaged by lever 23a.In addition, in Fig. 7, omitted the diagram of spring 23c.

As shown in Figure 6, driving force checkout gear 30 is clipped on the drive rod 23 of shutoff device 20, for detection of the driving force (load) of transmitting to latch bar 21 via drive rod 23, drive cable 22 from motor 24.Such as Figure 6 and Figure 7, this driving force checkout gear 30 possesses rotary switch 31, be arranged at motor bar 23b and carried out the elastic deformation of ormal weight by the spring 23c between the lever 23a from original state (state of Fig. 6), thus at motor bar 23b when relatively having been rotated ormal weight by lever 23a, this rotary switch 31 moves.

Rotary switch 31 motor bar 23b with respect to driving machine bar 23 relatively rotated ormal weight by lever 23a the time move, shown in Fig. 9 and Figure 10 summary, possess housing 31a, external rotor 31b and inner rotator 31c, and possess the first terminal 31d, 31d and the second terminal 31e.Housing 31a is formed by insulation materials, respectively external rotor 31b and inner rotator 31c is taken in rotation mode freely, and is assembled with distribution 31f(lead-in wire).

External rotor 31b is formed by insulation materials, constitute to be assembled in by lever 23a, thereby with rotated by lever 23a one.Inner rotator 31c is formed by insulation materials, constitutes to be assembled in axis of rotation 26, thereby rotates with axis of rotation 26 one.The first terminal 31d, 31d are formed by the good material of electric conductivity, and are assembled in external rotor 31b, thus with external rotor 31b(by lever 23a) integratedly the rotation, all the time with distribution 31f each the lead-in wire contact.The second terminal 31e is formed by the good material of electric conductivity, and is assembled in inner rotator 31c, thus the axis of rotation 26 that rotates integratedly with inner rotator 31c(and motor bar 23b) integratedly rotation, and can be with respect to the first terminal 31d, 31d contact or noncontact.

In this rotary switch 31, set for: when the spring 23c of drive rod 23 is in original state, the first terminal 31d, 31d and the second terminal 31e are in position relationship shown in Figure 9, rotary switch 31 is in off-state, and when spring 23c has carried out the elastic deformation of ormal weight from original state, the first terminal 31d, 31d and the second terminal 31e become position relationship shown in Figure 10, and rotary switch 31 carries out ON Action.In addition, consisting of (electrical connection) is: the output signal of rotary switch 31 (connection, cut-off signal) also is imported into controller 40 by distribution 31.

As mentioned above, controller (motor control assembly) 40 is electrically connected with each interrupteur SW 1, SW2, SW3,31 via distribution 41, and via distribution 41 and supply lines 42(with reference to Fig. 3, Fig. 6) and be electrically connected with motor 24.And, controller 40 based on the forward of controlling motor 24 from above-mentioned each interrupteur SW 1, SW2, SW3,31 etc. signal (connect, cut-off signal), reverse, stop, controller 40 possesses: the first control module, when the door 201 of vehicle forms half off status from opening, this first control module makes motor 24 carry out forward, and breech lock 11 is moved to the full lock state from half lock status; The second control module, after above-mentioned the first control module begins to carry out, in setting-up time, (be converted into the stroke S of striker 203, the Sa that is equivalent to Figure 11) (breech lock 11 is from half lock status to initial stage that the full lock state moves), when utilizing driving force checkout gear 30 detected driving forces to reach more than the setting value when making switch 31 carry out ON Action, this second control module reverses motor 24, and latch bar 21 is moved to original state; The 3rd control module, after the execution by described the first control module made breech lock 11 move to the full lock state, the 3rd control module reversed motor 24, and latch bar 21 is moved to original state.

In addition, after the first control module begins to carry out control, when rotary switch 31 does not carry out ON Action in setting-up time, even rotary switch 31 carries out ON Action behind setting-up time, the second control module is not carried out control yet, when the execution of the first control module finished, breech lock 11 moved to the full lock state.And, make the first control module begin to carry out control based on the connection signal of latch switch SW1 and the switching from the connection signal of post interrupteur SW 2 to cut-off signal, and based on the cut-off signal of latch switch SW1 and the switching from the connection signal of post interrupteur SW 2 to cut-off signal the execution of the first control module is finished.And, finish (cut-off signal of latch switch SW1 and the switching from the connection signal of post interrupteur SW 2 to cut-off signal) and make the 3rd control module begin to carry out control based on the execution of the first control module, and based on the switching from the connection signal of back-moving spring SW3 to cut-off signal the execution of the control of the 3rd control module is finished.And, based on the switching from the connection signal of back-moving spring SW3 to cut-off signal the execution of the second control module is finished.

Therefore, in this embodiment, breech lock 11 because of motor 24 just then from half lock status to initial stage that the full lock state moves, between car door 201 and vehicle body 202, sandwich foreign matter and make and utilize driving force checkout gear 30 detected driving forces to reach setting value when above, utilize controller 40 to make motor 24 counter-rotatings.Therefore, if between car door 201 and vehicle body 202, have foreign matter to sandwich, can prevent that then motor 24 from drawing in car door 201 to full-shut position.

Yet, in this embodiment, constitute: by the drive rod 23 that is clipped on shutoff device 20, for detection of the mechanical driving force checkout gear 30 of motor 24 to the driving force of latch bar 21 transmission, detect the situation that between car door 201 and vehicle body 202, sandwiches foreign matter.Therefore, the detection that sandwiches of foreign matter is not vulnerable to ambient temperature or car door 201 with respect to the impact of the switch of vehicle body 202, can carry out the high-precision detection that sandwiches, and can avoid reliably (preventing) to sandwich foreign matter.

And, the driving force checkout gear 30 of this embodiment possesses rotary switch 31, at the motor bar 23b that is arranged at drive rod 23 and carried out the elastic deformation of ormal weight from original state by the spring 23c between the lever 23a, make thus motor bar 23b when relatively having been rotated ormal weight by lever 23a, this rotary switch 31 moves.Therefore, for example begin to carry out the load character (preloading) of elastic deformation by changing spring 23c, just can with the poorest condition under the switch adaptation of car door.

Latch bar side inner wire 33 is parts (latch bar side part) of the inner wire 22b of drive cable 22, at one end links with latch bar 21, is provided with drive rod side end 33a at the other end.Drive rod side inner wire 34 is parts (drive rod side part) of the inner wire 22b of drive cable 22, at one end links with drive rod 23, is provided with latch bar side end 34a at the other end.Spring is compression helical spring, is arranged to preload applying between two inner wires 33,34, and sets the elastic deformation of carrying out ormal weight when driving force (wire tension force) reaches setting value for.Switch is set for and carry out ON Action when spring has been carried out the elastic deformation of ormal weight.In addition, shell body constitutes and can split, and is formed with otch in the illustrated part of omission, and this otch can move for the contact section of switch and the bar section cable length direction along the line of switch.

The drive rod side end 33a of latch bar side inner wire 33 is fixed in inner housing.On the other hand, the latch bar side end 34a of drive rod side inner wire 34 is assembled into and can moves with respect to inner housing.Spring is installed between the latch bar side end 34a of inner housing and drive rod side inner wire 34 in mode that can compressive strain, and wherein, inner housing can be mobile integratedly with the drive rod side end 33a of latch bar side wire 33.Inner housing is fixed in the contact section of switch.On the other hand, the latch bar side end 34a of drive rod side inner wire 34 is fixed in the bar section of switch.In addition, consisting of (electrical connection) is: the output signal of switch (connection, cut-off signal) also is input to controller 40 by distribution 41.

Although form in the above-described embodiment and possess spring 23c(compression helical spring) structure implement, this spring 23c makes drive rod 23 compressive strain between by lever 23a and motor bar 23b, but can also adopt the spring (being applied with the draft helical spring that preloads) that makes drive rod 23 carry out stretcher strain between by lever and motor bar to implement to replace above-mentioned spring 23c.In addition, when implementing the utility model, can also can regulate the mode that preloads that puts on above-mentioned compression helical spring or draft helical spring and implement to constitute.

And, although forming in the above-described embodiment the structure that driving force checkout gear 30 possesses rotary switch 31 implements, but such as Figure 12～shown in Figure 14, can also form driving force checkout gear 30 and possess the structure of cam switch 32 and implement, replace rotary switch 31 with this.The cam switch 32 of Figure 12～shown in Figure 14 motor bar 23b with respect to drive rod 23 carried out the relative rotation of ormal weight by lever 23a the time move, possess cam 32a, cam follower 32b, back-moving spring 32c, pad 32d(spring base), and possess limit switch 32e(with reference to Figure 13, Figure 14).

Cam 32a has a plurality of (3) rake 32a1(is with reference to Figure 12), after drive rod 23 is assembled in axis of rotation 26, be assembled in by lever 23a, and make 3 projections with chimeric by 3 installing holes of lever 23a, connecting to thus can the one rotation.Cam follower 32b has the protuberance 32b1(that respectively slides that can engage with each rake 32a1 of cam 32a slidably with reference to Figure 13, Figure 14), assembling after the cam 32 or during at assembling cam 32a, be assembled in axis of rotation 26 with back-moving spring 32c, pad 32d etc., chimeric in mode that can transmitting torque with two-sided wide 26b of the upper end that is arranged at axis of rotation 26, via axis of rotation 26 with respect to motor bar 23b can rotate integratedly and can link in the mobile mode of axis of rotation direction.

Back-moving spring 32c is installed between cam follower 32b and the pad 32d, on the axis of rotation direction with reset position (towards the cam 32a) application of force of cam follower 32b towards Figure 13.Pad 32d is fixed in the leading section of axis of rotation 26 by ca(u)lk.Limit switch 32e is assembled in the housing of shutoff device 20 via carriage, constitute according to cam follower 32b moving on the axis of rotation direction to move.

In this cam switch 32, be set as: when the spring 23c of drive rod 23 is in original state, cam follower 32b is in position shown in Figure 13, cam switch 32 forms off-state, and when spring 23c has carried out the elastic deformation of ormal weight from original state, cam follower moves to position shown in Figure 14 (specifically, cam follower 32b is rotated with respect to cam 32a, the protuberance 32b1 that respectively slides of cam follower 32b slides at each rake 32a1 of cam 32a on one side thus, the side is mobile obliquely on one side, cam follower 32b moves towards the direction of separating with cam 32a), thus cam switch 32 carries out ON Action.In addition, consisting of (electrical connection) is: the output signal of cam switch 32 (connection, cut-off signal) also is imported into controller 40 by distribution 41.

Therefore, even in the situation (Figure 12～embodiment shown in Figure 14) that the structure that forms driving force checkout gear 30 and possess cam switch 32 is implemented, also can obtain and form that driving force checkout gear 30 possesses the structure of rotary switch 31 and the same action effect of situation about implementing (Fig. 1～shown in Figure 11 embodiment).

And, in the above-described embodiment, breech lock 11 since half lock status to initial stage that the full lock state moves (when striker 203 from the stroke S of half lock status (state of Fig. 4) for setting value Sa in the time), utilizing driving force checkout gear 30 detected driving forces to reach setting value when above (when switch 31 or 32 carries out ON Action), make motor 24 counter-rotatings, set for thus and make latch bar 21 move to implement to original state, but motor 24 is stopped at the appointed time, then make motor 24 forwards, set for thus and make breech lock 11 move to implement to the full lock state, replace by making motor 24 counter-rotatings that latch bar 21 is moved to original state with this.

And, in the respective embodiments described above, constitute: this door lock device for vehicle possesses the latch bar 21 that the breech lock 11 that can make under half lock status moves to the full lock state, linked with this latch bar 21 via drive cable 22 by lever 23a, even but under the parts that do not have the parts that are equivalent to above-mentioned drive cable 22 but will be equivalent to latch bar 21 are arranged at by the embodiment of lever 23a integratedly, also can similarly implement the utility model with the respective embodiments described above.

Claims (9)

1. door lock device for vehicle is characterized in that possessing:

Bolt lock mechanism, this bolt lock mechanism possesses the breech lock that engages with striker, and possesses the post that can keep described breech lock under half lock status and full lock state;

Shutoff device, this shutoff device possesses: the drive rod that the breech lock that can make half lock status moves to the full lock state and the motor that can drive in the mode of forward or reverse described drive rod; And

Mechanical driving force checkout gear, this driving force checkout gear is clipped on described drive rod, for detection of the driving force of transmitting to described breech lock from described motor,

Described door lock device for vehicle also possesses control module, just make described drive rod at described motor then make described breech lock from half lock status to initial stage that the full lock state moves, utilizing the detected driving force of described driving force checkout gear to reach setting value when above, this control module stops described motor or reverses.

2. door lock device for vehicle according to claim 1 is characterized in that,

Described drive rod possesses: by lever, this can be made the breech lock under half lock status move to the full lock state by lever; The motor bar, this motor bar with respect to described by lever with coaxial and can counterrotating mode assemble, and link with described motor; Spring, this spring are arranged on described motor bar and described by between the lever, carry out the elastic deformation of ormal weight when described driving force reaches setting value, make thus described motor bar be carried out the relative rotation of ormal weight with respect to described by lever,

Described driving force checkout gear possesses switch, carries out the elastic deformation of ormal weight at described spring from original state and makes described motor bar with respect to described when relatively having been rotated ormal weight by lever, and this switch moves.

3. door lock device for vehicle according to claim 1 is characterized in that,

Possess the latch bar that the breech lock that can make half lock status moves to the full lock state,

Described drive rod possesses: by lever, this is linked with described latch bar via drive cable by lever; The motor bar, this motor bar with respect to described by lever with coaxial and can counterrotating mode assemble, and link with described motor; Spring, this spring are arranged on described motor bar and described by between the lever, carry out the elastic deformation of ormal weight when described driving force reaches setting value, make thus described motor bar be carried out the relative rotation of ormal weight with respect to described by lever,

Described driving force checkout gear possesses switch, carries out the elastic deformation of ormal weight at described spring from original state and makes described motor bar with respect to described when relatively having been rotated ormal weight by lever, and this switch moves.

4. according to claim 2 or 3 described door lock device for vehicle, it is characterized in that,

Described switch is rotary switch, possesses: the first terminal, this first terminal and describedly rotated integratedly by lever; The second terminal, this second terminal and described motor bar rotate integratedly, can be with respect to the contact of described the first terminal or noncontact, with respect to described when relatively having been rotated ormal weight by lever, this switch moves at described motor bar.

5. according to claim 2 or 3 described door lock device for vehicle, it is characterized in that,

Described switch is cam switch, possesses: cam, this cam with respect to described by lever with can one the mode of rotation link; Cam follower, this cam follower with respect to described motor bar with can one rotation and can linking in the mobile mode of axis of rotation direction; Back-moving spring, this back-moving spring with described cam follower on the axis of rotation direction towards the reset position application of force; Limit switch, this limit switch moves according to described cam follower moving on the axis of rotation direction,

With respect to described when relatively having been rotated ormal weight by lever, described switch moves at described motor bar.

6. door lock device for vehicle is characterized in that possessing:

Bolt lock mechanism, this bolt lock mechanism possesses the breech lock that engages with striker, and possesses the post that can keep described breech lock under half lock status and full lock state;

Shutoff device, this shutoff device possesses: latch bar, the drive rod that links with described latch bar via drive cable and the motor that can drive with forward or reverse described drive rod that the breech lock under half lock status is moved to the full lock state; And

Mechanical driving force checkout gear, this driving force checkout gear is clipped on described drive cable, for detection of the driving force of transmitting to described latch bar from described drive rod,

Described door lock device for vehicle also possesses control module, make described drive rod forward and make described latch bar forward via described drive cable at described motor, and then make described breech lock from half lock status to initial stage that the full lock state moves, utilizing the detected driving force of described driving force checkout gear to reach setting value when above, this control module stops described motor or reverses.

7. door lock device for vehicle according to claim 6 is characterized in that,

Described driving force checkout gear possesses: latch bar side inner wire, and this latch bar side inner wire and described latch bar link; Drive rod side inner wire, this drive rod side inner wire and described drive rod link; Spring, this spring are arranged between two described inner wires, carry out the elastic deformation of ormal weight when described driving force reaches setting value; Switch, when described spring had carried out the elastic deformation of ormal weight, this switch moved.

8. door lock device for vehicle according to claim 7 is characterized in that,

Described driving force checkout gear is assembled in inner housing, and this inner housing is assembled in the mode that can move in the shell body of a part of the exterior tube that consists of described drive cable.

9. door lock device for vehicle according to claim 8 is characterized in that,

The drive rod side end of described latch bar side inner wire is fixed in described inner housing, the latch bar side end of described drive rod side inner wire is assembled in described inner housing in the mode that can relatively move, described spring is clipped between the latch bar side end and described inner housing of described drive rod side inner wire in mode that can compressive strain, described inner housing is fixed in the contact section of described switch, and the bar section of described switch is fixed on the latch bar side end of described drive rod side inner wire.

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