JPH0411105Y2 - - Google Patents

Description

[Detailed description of the invention] (Field of industrial application) The present invention is suitable for a device that electrically controls the unlocking of a car door, and is particularly suitable for a device that electrically controls the unlocking of a car door. The present invention relates to an automobile door lock operating device that can be operated.

(Prior Art) As shown in Fig. 1, a conventional automobile door lock control device includes an outside handle B for opening the door A provided on the outside of the vehicle, a key cylinder C for locking and unlocking, and an opening handle B provided on the outside of the vehicle. Inside handle D for door, lock knob E for locking and unlocking, and door lock body F provided on the free end side end surface of door A
These control mechanism elements are connected as required using connecting members such as rods G and the like.

In addition, in order to control the locking and unlocking of the door lock body F of the door A in which the control mechanism elements A to F are installed from another location, for example, from the driver's seat, an electrically actuated actuator H is connected to the door lock body F. It is connected to the lock/unlock lever and is electrically operated remotely.

(Disadvantages of the Prior Art) In such a conventional door lock control device, each control mechanism element in the door A has a predetermined mounting position convenient for operation, and the rod G
Since the rods are connected by connecting members such as, a high degree of precision is required in the length and bending shape of the rods G, and at least one end of each rod G requires means for adjusting the working length.

Furthermore, there are many rod connections as described above, making it difficult to assemble to the door A, and as a result,
The layout of each control mechanism element must be done taking into account ease of assembly, etc., and there is a drawback that it is difficult to find an appropriate position that is convenient for operation.

In addition, since each of the connecting rods G operates in conjunction with each other and operates simultaneously, it generates noise inside the door A, and in remote operation, the sudden operation of the actuator H causes a particularly loud noise. It has the disadvantage of generating noise.

This actuator H also requires a structure that generates driving force in both the locked and unlocked positions and also allows manual operation, so it requires a complex and expensive structure that uses motors, clutches, etc. It has the disadvantage that things are required.

The above is about one door A, and in a car with many doors, the number of parts increases, which leads to an increase in assembly man-hours, an increase in manufacturing time, etc., which ultimately leads to an increase in price. .

Furthermore, in order to eliminate the above-mentioned drawbacks, the present inventor has already invented a door lock control device that performs all door lock operations electrically and has filed a separate application. This device is extremely convenient, but
When the power is cut off, a problem occurs in which the door cannot be opened or closed.

(Purpose of the invention) The present invention is configured so that the door lock can be operated using an electric switch, and in the event that the power is cut off, the locking/unlocking mechanism can be operated and the locking/unlocking lever can be turned over. Rotate to the stroke position,
By making it possible to release the lock, it is possible to improve safety, improve operability, improve design freedom, improve aesthetic appearance, simplify configuration, and improve ease of assembly. It is an object of the present invention to provide an automobile door lock operating device which eliminates the above-mentioned drawbacks.

(Structure of the invention) This invention was created in view of the above-mentioned matters.
Its gist is as follows.

A door lock body that is provided on either the vehicle body side or the door side of the vehicle and is removable with a striker provided on the other side, an open lever that is connected to a lock release mechanism of the door lock body, and a door lock body that is provided at an appropriate location on the vehicle. an unlocking actuator that can be driven by the operation of an operating switch and is linked to the open lever; and a locking/unlocking knob provided on the inside of the door or a key mechanism provided on the outside of the vehicle. a locking/unlocking lever provided on the door lock body, which is linked and movable between a locked position and an unlocked position;
In the automobile door lock operation device, the lock/unlock lever is located in the unlocked position and the actuator is activated to unlock the door lock body when the operating switch is operated. can be moved to an overstroke position beyond the unlocked position by operating a locking/unlocking knob or a key mechanism, and the open lever can be locked by being moved to the overstroke position by the locking/unlocking lever. A door lock operating device for an automobile, characterized in that it is provided with an engaging piece that is moved in a releasing direction.

(Embodiment) FIGS. 2 to 7 show a specific embodiment of the present invention.

2 and 6 show the layout of control elements according to the present invention. Reference numeral 1 indicates a door opening operation section outside the vehicle, and a first unlocking operation for the door lock is provided on the back of the door handle. A switch S-D1 is provided.

Reference numeral 2 denotes a door opening operation section inside the vehicle, and a second unlocking operation switch S-D2 is provided on the back surface thereof.

Reference numeral 3 denotes a door lock body which is equipped with a solenoid actuator 4 for unlocking and can be engaged with and detached from a striker 5 provided at a suitable position on the body of the automobile.

As shown in FIG. 6, in the door lock body 3, a latch 6 that engages with a striker 5 and a pawl 7 that engages with the latch 6 are pivotally attached to a base plate 10 with pivots 8 and 9, respectively. ing.

The latch 6 and the pawl 7 form an interlocking mechanism, of which the pawl 7 constitutes a lock release mechanism.

The pawl 7 rotates together with the open lever 11 via the pivot shaft 9, and the open lever 11 has a torsion spring 12 and is always attached in the engagement direction of the pawl 7, which is shown counterclockwise in the drawing. Forced.

As shown in FIG. 4, the open lever 11 is
It is connected to a plunger 13 of an actuator 4 provided at a suitable position below the door lock body 3.

When actuator 4 is activated, plunger 1
3 is attracted, and the pawl 7, which rotates together with the open lever 11, is rotated in the unlocking direction.

When the pawl 7 rotates in the unlocking direction, the pawl 7 and the latch 6 are disengaged, and the actuator 4 is operated to disengage the door lock body 3 and the striker 5, opening the door. be able to.

The connecting portion of the actuator 4 in the open lever 11 is formed into an arc-shaped elongated hole 11a to prevent mutual interference during each operation.

Reference numeral 14 denotes a locking/unlocking mechanism, which is pivoted at its center to the base plate 10 and has a locking position shown in solid lines in FIG. 4, an unlocking position shown in imaginary lines, and an overstroke position shown in solid lines in FIG. A lock/unlock lever that can be rotated to three positions, and this lock/unlock lever 15
A locking/unlocking knob 17 on the inside of the vehicle connected via a rod 16 is attached to one end, and a rod 18 is attached to the other end.
It consists of a key mechanism 19 on the outside of the vehicle, which is linked via a key mechanism 19 on the outside of the vehicle.

A protruding piece 21a with an engaging pin 20 protruding from the upper edge of the locking/unlocking lever 15 is connected to the center, and a protruding piece 21a having an engaging pin 20 protruding from the locking/unlocking lever 15 is arranged at a position near the center of the lower edge of the locking/unlocking lever 15 at a position beyond the release position, that is, an overstroke. An engagement piece 2 that can be engaged with the open lever 11 when moving to the position
1b are arranged in series.

22 is a wire spring, the middle part of which is wound around a pin 23 implanted in the base plate 10, the left end part is locked to a stopper 24, and the right end part has two recesses 22a, 22b. A free end portion 22c is formed that extends linearly in a direction away from the pivot shaft 9.

By engaging the engagement pin 20 with either of the recesses 22a, 22b, the lock/unlock lever 15 is stably switched to the locked position and the unlocked position, and is locked to the free end 22c. When the overstroke position is reached, the biasing force of the wire spring 22 forces the recess 22b to rotate the recess 22b.

25 is a lock detection switch S-L1 that detects the locked state of the lock/unlock lever 15;
It opens only when 5 is in the locked position and can be unlocked with electrical control, as will be explained later.

FIG. 7 shows a sequence of electrical controls.

26 is a selection control means, ie, a relay contact, and is linked to the lock sensing switch S-L1.

The selection control means 26 is a lock sensing switch S-L.
1 is in the ON state when the lock is unlocked, the operation signals of the switches S-D1 and S-D2 are passed or enabled, and the output is used to set the subsequent set-reset type flip-flop circuit 27 to the set state. Make it.

The flip-flop circuit 27 in this set state
The output Q operates the actuator 4 via the actuator drive circuit 28 and unlocks the door lock body 3.

When the lock is released and the door is opened with the striker 5 detached from the latch plate 6 even slightly, the door open detection switch SW, which detects the door open state as appropriate, closes and resets the flip-flop circuit 27. do.

However, even though the drive circuit 28 operates to operate the actuator 4, if the door open detection switch SW is not closed for some reason, such as the door not opening due to a foreign object, etc. , the actuator 4 may be damaged, so the actuator 4 must be
Certain limits are set.

This timed operation is performed by the flip-flop circuit 27.
is obtained by a monostable multivibrator circuit configuration in which the output is fed back to the reset input via the delay circuit 29.

Furthermore, when the lock is locked with the lock sensing switch S-L1 in the OFF state, the switch S-D
1, the operation signal S-D2 is blocked or ignored by the selection control means 26, so that the actuator 4 cannot be operated and the door cannot be opened.

The flip-flop circuit 30 is also equipped with other control elements that may be additionally added as necessary, such as a child-proof locking/unlocking operation switch S-.
This is a lock/unlock storage means for C1 and S-C2.

The storage contents of this flip-flop circuit 30 are controlled by another selection control means 31 similar to the above.
Only the lock release operation switch S-D2 inside the vehicle is selectively enabled or disabled.

In a practical circuit configuration, the OR gates 32 and 33 illustrated with wired OR are preferably OR gate circuits using semiconductor ICs, and the selection control means 26 and 31 are also preferably AND gate circuits using semiconductor ICs. .

The power for the control circuit described above is supplied directly from the battery of the automobile, and the power is not cut off by a main start switch located at the driver's seat.

However, it is better to supply power for displaying locking and unlocking, which will be described below, through the main switch to prevent unnecessary power consumption.

The storage state of the flip-flop circuit 30 can be displayed using its output Q by lighting a display means such as a light emitting diode.

The display location, such as the light emitting diode for indicating lock/unlock, may be on the driver's seat panel, inside the switch, or both.

Additionally, light-emitting diodes, etc., can be displayed on and off for a certain period of time to draw attention to the locked or unlocked state of the door, such as after the main switch is turned on or after the door is locked or unlocked, to increase safety. effective.

As explained in detail above, in this embodiment, as shown in phantom lines in FIG.
7 or when the key mechanism 19 is operated to the unlocked position, the door can be opened by operating the door opening operation parts 1 and 2.

Similarly, as shown by the solid line, the lock/unlock knob 1
7 or when the key mechanism 19 is operated to the locked position, the door will not open even if the door opening operation parts 1 and 2 are operated.

Furthermore, in an emergency such as when the power is cut off, as shown in FIG.
b engages with the open lever 11,
The door can be opened mechanically by directly pushing the open lever 11 in the unlocking direction using the lock/unlock lever 15.

(Effects of the invention) According to the invention, the following effects can be achieved.

(a) In the unlikely event that the car's electrical system malfunctions, simply move the lock/unlock lever to the overstroke position beyond the unlocked position by operating the lock/unlock knob or key mechanism, and the engagement piece will The door can be opened by moving the open lever in the locking/unlocking direction and mechanically unlocking the door lock body, which is safe and allows the locking/unlocking operation at that time to be easily performed with one hand.

(b) In addition, it is only necessary to mechanically link the locking/unlocking knob and key mechanism with the locking/unlocking lever using a rod or the like, and the other control mechanism elements are
Can be replaced with an electric switch.

For example, there is no need for mechanical linkage between the outside handle or inside handle and the door lock body using a rod or the like; it is only necessary to operate an operating switch when the outside handle or inside handle is operated. good.

Therefore, mechanical linkage means such as rods can be reduced, the structure can be simplified, and mechanical noise during operation can be reduced.
It is possible to reduce the generation of noise caused by vibrations when the car is running, and it also increases the degree of freedom in assembling to the door, aesthetic design, layout, etc.

[Brief explanation of the drawing]

Fig. 1 is a perspective view of a door showing a conventional door lock control mechanism, Fig. 2 is a perspective view of an automobile showing the layout of control elements according to the present invention in an automobile, and Fig. 3 is a front view of the door shown in Fig. 2. FIG. 4 is a perspective view showing the layout of control elements for one door.
5 is a front view showing the door lock body in the unlocked state in FIG. 4, and FIG. 6 shows the latch and pawl in FIG. A front view showing the relationship between
FIG. 7 is a block diagram showing an embodiment of the electric control circuit according to the present invention, 1, 2... Door opening operation section, 3... Door lock body, 4... Actuator, 5... Striker, 7... ...Pole (lock release mechanism), 11...
Open lever, 14...Lock/unlock mechanism, 15...
Locking/unlocking lever, 17... Locking/unlocking knob, 19... Key mechanism, 21b... Engagement piece, 22... Wire spring, 2
5... Lock sensing switch, 26, 31... Selection control means, 27, 30... Flip-flop circuit, 28... Actuator drive circuit, 29...
Delay circuit, 32, 33...wired OR gate, S-D1, S-D2...lock release operation switch, SW...door open detection switch.

Claims (1)

[Claims for Utility Model Registration] A door lock body that is provided on either the body side or the door side of an automobile and is removable from a striker provided on the other side, and an opening that is connected to the lock release mechanism of the door lock body. a lever, a lock release actuator that can be driven by operation of an operation switch provided at a suitable location on the vehicle and is linked to the open lever, and a lock/unlock knob provided on the inside of the door or on the outside of the vehicle. a lock/unlock lever provided on the door lock body, which is linked to a key mechanism etc. provided on the door lock body and is movable between a locked position and an unlocked position;
In the automobile door lock operation device, the lock/unlock lever is located in the unlocked position and the actuator is activated to unlock the door lock body when the operating switch is operated. can be moved to an overstroke position beyond the unlocked position by operating a locking/unlocking knob or a key mechanism, and the open lever can be locked by being moved to the overstroke position by the locking/unlocking lever. A door lock operating device for an automobile, characterized in that it is provided with an engaging piece that is moved in a releasing direction.