JPH0723659B2 - Vehicle door locking device - Google Patents

Description

The present invention relates to a vehicle door locking device.

(Prior Art) Conventionally, in Japanese Utility Model Laid-Open No. 54-154994, a latch that engages with a striker and is rotationally displaced, a ratchet that engages with an outer peripheral surface of the latch to prevent reverse rotation, and a latch for the latch are described. In the case where an open lever for releasing the engagement of the ratchet is provided, the open lever is attached to a mounting shaft different from the mounting shaft of the ratchet, and the open lever and the lever for rotating the ratchet are connected by a connecting member. What you have done is listed.

(Problems to be Solved by the Invention) In the known device, when the open lever rotates, the connecting member pushes the lever fixed to the mounting shaft of the ratchet linearly to rotate the lever around the mounting shaft. As a result, the latch and ratchet are disengaged from each other, so that twisting occurs between the linearly-moving connecting member and the pivotally-moving lever, and the operation is heavy and does not give a high-class feel.

The present invention does not rotate the lever fixed to the mounting shaft of the ratchet with the connecting member by moving the connecting member with the open lever as in the known example, but directly attaching the open lever to the ratchet shaft, The open lever and ratchet are made to rotate about the same axis, and the operation is lightened to give a high-class feeling.

In addition, the present invention is particularly devised for a simple mechanism of a keyless lock.

(Means for Solving the Problem) Therefore, the present invention provides a striker 2 fixed to the vehicle body side.
A body 1 of a locking device fixed to the door side, a latch 4 provided on the front side of the body 1 and engaged with the striker 2 when the door is closed, and the latch 4 provided on the front side of the body 1. 4, a ratchet 8 that engages with the outer peripheral surface of the body 4 to prevent reverse rotation, a mounting shaft 9 that projects to the back side of the body 1 that locks the ratchet 8, and the mounting shaft 9 provided around the back side of the body 1. A ratchet lever 11 that is axially fixed to the ratchet lever 11 and has an engaging claw 15 and a protrusion 26 formed on the peripheral surface, and an engagement that penetrates from the front side of the body 1 connecting the ratchet 8 and the ratchet lever 11 to the back side of the body 1. A pin 12 and an open lever 17 which is fixed around the mounting shaft 9 provided on the back side of the body 1 and can rotate the ratchet lever 11.
With respect to the mounting shaft 9 provided on the back side of the body 1, it is slid between the lock position and the unlock position in a direction intersecting with the axis of the mounting shaft 9 and rotates together with the open lever 17, so Then, the engaging step portion 16 that engages with the engaging claw 15 of the ratchet lever 11 is provided, and the engaging step portion 16 is disengaged from the engaging claw 15 of the ratchet lever 11 when in the unlock position. The lock member 13 is engaged with the shaft 9. When the ratchet 8 is in contact with the outer peripheral surface of the latch 4 in the door open state, the lock member 13 is in contact with the protrusion 26 to unlock. Although the lock member 13 in the position cannot be slid to the lock position, when the open lever 17 is opened and rotated to shift the position in the circumferential direction around the mounting shaft 9, the protrusion 26 abuts. Before disappearing and in the unlocked position The lock member 13 is obtained by a locking device of a vehicle door provided with a keyless lock protrusion 25 which can slide in the locked position.

(Embodiment) An embodiment of the present invention will be described with reference to the drawings. 1 is a synthetic resin body of a door lock device, 2 is a striker fixed to the vehicle body side, and 3 is a striker 2 provided on the front side of the body 1. Strike to enter Entry groove 4 is a latch that engages with the striker 2 and rotates normally when the door is closed on the front side of the body 1, and 5 is the striker 2 when the door is formed on the outer peripheral surface of the latch 4. Strike engaging groove, 6 is the same half-latch engaging step, 7 is the same full-latch engaging step,
Reference numeral 8 is a ratchet provided on the front side of the body 1 for engaging the half-latch engagement step 6 or the full-latch engagement step 7 to prevent the latch 4 from rotating in the reverse direction.

The ratchet 8 is a mounting shaft 9 mounted on the body 1.
Axial to. The mounting shaft 9 is projected to the back plate side (back surface side) of the body 1, and a ratchet for releasing engagement of the ratchet 8 with respect to the half-latch engagement step 6 or the full-latch engagement step 7 on the projection. Fit the lever 11 (Fig. 2). The ratchet lever 11 is structured to rotate about the mounting shaft 9 by a certain angle, and a serrated engaging claw 15 that engages only in one direction is provided on a part of the outer circumference of the rotating portion. Further, a protrusion 26 for preventing the key from being left behind is formed on the side opposite to the engaging claw 15, and a mounting hole 28 is formed between the engaging claw 15 and the protrusion 26, and the mounting hole 28 is formed on the front side of the body 1. Engagement pin 12 protruding from the rotating portion of the ratchet 8 provided
Engage and fix the tip of. 27 is an elongated hole formed in the body 1 through which the engaging pin 12 passes from the front side of the body 1 to the back side of the body 1, and is an arc hole centered on the mounting shaft 9.

Then, on the rear side of the body 1 of the mounting shaft 9, a lock member 13 is fitted next to the ratchet lever 11 (see FIG. 3,
(Figures 13 and 14). The lock member 13 has a rectangular shape,
A long hole 14 is formed in the center along the longitudinal direction (vertical direction), and the long hole 14 is inserted into the mounting shaft 9 so as to be slidable in a direction intersecting with the axial direction of the mounting shaft 9. In FIG. 3, an engaging step portion 16 is provided at a lower end portion on the other side of the lock member 13.
When the lock member 13 is moved upward and the engaging step portion 16 engages with the engaging claw 15, when the lock member 13 is moved upward and is rotated rightward about the mounting shaft 9 (see FIG. 7). ), The ratchet lever 11 rotates clockwise, and the ratchet 8 is disengaged from the latch 4 via the engagement pin 12.

Then, the mounting shaft 9 is fitted with the open lever 17 next to the lock member 13 (see FIGS. 4, 15, 16 and
(Fig. 17). As shown in FIG. 17, the open lever 17 is formed with a vertically long sliding groove 18 into which the lock member 13 is fitted, and the lock member 13 is fitted into the sliding groove 18. Open lever 17
A lever portion 19 protruding laterally is provided on the. An engaging hole is provided at the tip of the lever portion 19 to lock the end of the rod or wire connected to the outside handle and the inside handle.

The open lever 17 has a cylindrical portion 20, which is fitted to the mounting shaft 9. Therefore, when the open lever 17 is rotated around the mounting shaft 9 by operating the handle, the lock member 13, the ratchet lever 11, and the ratchet 8 are rotated.
And can be rotated around the mounting shaft 9.

A pin 21 is formed on the upper end of the lock member 13 in a direction parallel to the mounting shaft 9 as shown in FIG. Reference numeral 22 denotes a lock lever, and the lock lever 22 has a window hole 23 with which the pin 21 is engaged. In the window hole 23, even when the lock member 13 moves upward and the engagement step portion 16 engages with the engagement claw 15 (unlock position), the lock member 13 moves downward and the engagement step portion 16 is released. Has engaging claws 15
The lock member 13 is formed in a shape in which the lock member 13 is rotated by a certain angle even in a position where it does not engage with (lock position) (FIG. 6).

The lock lever 22 is axially fixed to a fixed shaft 24 which is axially fixed to the body 1. The end of the lock lever 22 is locked to the end of a rod or wire connected to the sill knob or key, and the sill knob or key is locked. When the locking operation is performed, the solid line in FIGS. 6 to 8 is obtained, and the lock lever 22 rotates about the fixed shaft 24, and the lock member 22 is rotated at the upper edge of the window hole 23.
When the pin 21 of 13 is moved downward so that the engaging step portion 16 does not engage with the engaging claw 15 and the sill knob or key is unlocked, the lock lever 22 moves the fixed shaft 24 to the fixed shaft 24 as shown in FIG. It rotates to the center and returns to its original position, and the pin 21 of the lock member 13 is moved upward in the window hole 23 of the lock lever 22 to bring the engagement step portion 16 into the unlock position where it engages with the engagement claw 15. .

Then, as shown in FIG. 14, a keyless lock protrusion 25 is formed on the inner surface of the lock member 1313. In the door open state, as shown in FIG. 1, the pawl of the ratchet 8 is in contact with the outer peripheral surface of the latch 4 where there is no engaging step portion, and therefore the engaging pin 12 moves upward accordingly and the ratchet lever 11 moves. Is rotated clockwise in FIG. 5, and the protrusion 26 of the ratchet lever 11 comes into the underside of the keyless lock protrusion 25. for that reason,
Even if the lock lever 22 is pushed rightward about the fixed shaft 24 to be locked by pushing the sill knob, the lock lever 22 does not rotate, so that it cannot be locked. However, as shown in FIG. 7, when the handle is opened to rotate the open lever 17 from the position of the temporary line to the position of the solid line, the ratchet lever is moved.
The protrusion 26 of 11 and the keyless lock protrusion 25 are disengaged from each other so that they can be locked.

(Operation) Next, the operation will be described.

When the door is closed, the striker 2 on the vehicle body side becomes the body 1 on the door side.
The latch 4 is normally rotated by engaging the striker engagement groove 5 of the latch 4 provided on the front side of the latch 4, and the ratchet 8 is engaged with the full latch engagement step 7 on the outer peripheral surface of the latch 4 to prevent the reverse rotation. The door is closed.

The state of each part at that time is as shown in FIG. 6, and the engaging claw 15 of the ratchet lever 11 provided on the back side of the body 1 is attached to the engaging step portion 16 of the lock member 13 provided on the back side of the body 1. Since they are in the engaged state, when the handle provided on the door is operated to open the open lever 17 provided on the back side of the body 1 to the right in FIG. 6, the lock member 13 causes the mounting shaft 9 to move in the same manner. The ratchet lever 11 is rotated rightward about the center and the ratchet lever 11 is also rotated rightward, and the ratchet 8 provided on the front side of the body 1 is rotated away from the latch 4 via the engagement pin 12.

Next, if you press the sill knob to lock it in Fig. 6,
Since the right end of the lock lever 22 provided on the back side of the body 1 is moved downward, the lock lever 22 is rotated from the position of the temporary line B in FIG. 8 to the position of the solid line A in FIG. The pin 21 of the lock member 13 provided on the back side of the body 1 is pushed downward by the inner peripheral portion of the lock member 13, and the engagement step portion 16 of the lock member 13 that has been engaged with the engagement claw 15 of the ratchet lever 11 until then is pushed. By lowering and disengaging the engagement step portion 16 from the engagement claw 15, even if the open lever 17 rotates, the ratchet lever 11
Can be in a locked position that does not rotate. In this state, open and close the handle inside and outside the door to open the lever.
Even if 17 is rotated to the right, the lock member 13 only rotates as described above, and the ratchet lever 11 does not rotate. Therefore, the door does not open due to an idle vibration.

Next, when the lock lever 22 is returned from A of FIG. 8 to B of FIG. 8, that is, FIG. 6 by pulling the sill knob, the window hole 23 of the lock lever 22 provided on the back side of the body 1 becomes Pin 21
, The engaging step portion 16 of the lock member 13 engages with the engaging claw 15 of the ratchet lever 11, and when the open lever 17 is rotated to the right, the lock member 13 is rotated, and the ratchet lever 11 is rotated. To the unlocked position where the ratchet 8 provided on the front side of the body 1 is rotated via the engaging pin 12.

In the above case, the ratchet 8 provided on the front side of the body 1,
The ratchet lever 11, the lock member 13, and the open lever 17 provided on the back side of the body 1 are axially fixed to the coaxial mounting shaft 9, so that the ratchet 8 and the latch 4 are all disengaged from each other. The open lever 17 can be rotated by a circular motion about the shaft 9, and the open lever 17 is rotated by a rod or wire axially attached to the lever portion 19. Therefore, the operation of this rod or wire is always the same. Can be done by. Therefore, the door opening operation can be lightened, the operation feeling can be improved, and the feeling of luxury can be further enhanced.

(Effect) Conventionally, in Japanese Utility Model Laid-Open No. 54-154994, a latch that engages with a striker and is rotationally displaced, a ratchet that engages with an outer peripheral surface of the latch to prevent reverse rotation, and the ratchet for the latch are disclosed. In which an open lever for releasing the engagement of the ratchet is provided, the open lever is attached to an attachment shaft different from the attachment shaft of the ratchet, and the open lever and the lever for rotating the ratchet are connected by a connecting member. Things are listed.

In the known device, when the open lever is rotated, the lever fixed to the mounting shaft of the ratchet is linearly pushed by the connecting member to rotate the lever about the mounting shaft so that the engagement between the latch and the ratchet is increased. Because of the structure for releasing the engagement, a twist occurs between the linear movement connecting member and the rotary movement lever, the operation is heavy, and a high-class feeling is not provided.

However, the present invention is based on the striker 2 fixed to the vehicle body side.
A body 1 of a locking device fixed to the door side, a latch 4 provided on the front side of the body 1 and engaged with the striker 2 when the door is closed, and the latch 4 provided on the front side of the body 1. 4, a ratchet 8 that engages with the outer peripheral surface of the body 4 to prevent reverse rotation, a mounting shaft 9 that projects to the back side of the body 1 that locks the ratchet 8, and the mounting shaft 9 provided around the back side of the body 1. A ratchet lever 11 that is axially fixed to the ratchet lever 11 and has an engaging claw 15 and a protrusion 26 formed on the peripheral surface, and an engagement that penetrates from the front side of the body 1 connecting the ratchet 8 and the ratchet lever 11 to the back side of the body 1. A pin 12 and an open lever 17 which is fixed around the mounting shaft 9 provided on the back side of the body 1 and can rotate the ratchet lever 11.
With respect to the mounting shaft 9 provided on the back side of the body 1, it is slid between the lock position and the unlock position in a direction intersecting with the axis of the mounting shaft 9 and rotates together with the open lever 17, so Then, the engaging step portion 16 that engages with the engaging claw 15 of the ratchet lever 11 is provided, and the engaging step portion 16 is disengaged from the engaging claw 15 of the ratchet lever 11 when in the unlock position. The lock member 13 is engaged with the shaft 9. When the ratchet 8 is in contact with the outer peripheral surface of the latch 4 in the door open state, the lock member 13 is in contact with the protrusion 26 to unlock. Although the lock member 13 in the position cannot be slid to the lock position, when the open lever 17 is opened and rotated to shift the position in the circumferential direction around the mounting shaft 9, the protrusion 26 abuts. Before disappearing and in the unlocked position Because the lock device of a vehicle door provided with a keyless lock protrusion 25 which can slide the locking member 13 in the locked position, i. Ratchet lever around the mounting shaft 9 on the back side of the body 1
11 and the ratchet 8 and body 1 on the front side of body 1
Since the ratchet lever 11 on the back side of the body is connected by the engagement pin 12, it is sufficient to provide the body 1 with the arcuate elongated hole 27 through which the engagement pin 12 passes, so that not only the body 1 becomes robust but also the ratchet 8 Since the detachment is also a circular motion about the mounting shaft 9, the operation feeling can be improved.

B. The locking member 13 is slidable with respect to the mounting shaft 9 in a direction intersecting the axis of the mounting shaft 9 between a locked position and an unlocked position.
And the lock member 13 is configured to rotate together with the open lever 17, and has an engagement step portion 16 that engages with the engagement claw 15 of the ratchet lever 11 when in the lock position. Then, since the engaging step portion 16 is separated from the engaging claw 15 of the ratchet lever 11,
Since it is possible to switch between the locked position and the unlocked position simply by sliding, it is possible to carry out the operation with a simple structure.

C. The ratchet 8 is provided on the lock member 13 when the door is open.
Is in contact with the outer peripheral surface of the latch 4, the protrusion
The lock member 13, which is in the unlocked position due to contact with the 26, cannot be slid to the locked position.
When the door 17 is pivoted to shift its position in the circumferential direction about the mounting shaft 9, the keyless lock can slide the lock member 13 in the unlock position to the lock position without contacting the protrusion 26. Since the protrusion 25 is provided, the keyless lock can be performed with a simple configuration in relation to the above item (2).

[Brief description of drawings]

FIG. 1 is a vertical sectional front view of a synthetic resin body, FIG. 2 is a state diagram in which a ratchet lever is attached to the rear surface of the synthetic resin body, and FIG. 3 is a state diagram in which a lock member is attached in FIG. Shows the state with the open lever attached in Fig. 3, Fig. 5
The figure shows the door open state with the lock lever attached to Fig. 4, 6th
Fig. 7 shows the door closed and unlocked, Fig. 7 shows the door opened and handles open, and Fig. 8 shows the lock / unlock switching state. Fig. 9 shows the ratchet front view.
FIG. 10 is a plan view of the ratchet, FIG. 11 is a front view of the ratchet lever, FIG. 12 is a side view of the ratchet lever, and FIG.
Figure is a front view of the lock member, Figure 14 is a vertical side view of the lock member, Figure 15 is a front view of the open lever, Figure 16 is a vertical side view of the open lever, and Figure 17 is a transverse bottom view of the open lever. FIG. 18 is a front view of the lock lever, and FIG. 19 is a bottom view of the lock lever. Explanation of symbols 1 ... Body, 2 ... striker, 3 ... striker entry groove,
4 ... latch, 5 ... striker engagement groove, 6 ... half latch engagement step, 7 ... full latch engagement step, 8 ... ratchet,
9 ... Mounting shaft, 11 ... Ratchet lever, 12 ... Engagement pin, 13
... Lock member, 14 ... Long hole, 15 ... Engaging claw, 16 ... Engaging step,
17 ... Open lever, 18 ... Sliding groove, 19 ... Lever part, 20 ...
Cylindrical part, 21 ... Pin, 22 ... Lock lever, 23 ... Window hole, 24 ...
Fixed shaft, 25 ... Keyless lock protrusion, 26 ... Protrusion, 27 ... Long hole, 28 ... Mounting hole.

Claims (1)

[Claims] 1. A striker 2 fixed to a vehicle body, a body 1 of a locking device fixed to a door side, and a normal rotation by engaging with the striker 2 when a door provided on the front side of the body 1 is closed. Ratchet 8 that engages with the outer peripheral surface of the latch 4 and the latch 4 provided on the front side of the body 1 to prevent reverse rotation
And a mounting shaft 9 projecting to the back side of the body 1 that locks the ratchet 8, and an engaging claw 15 and a protrusion 26 that are axially fixed around the mounting shaft 9 provided on the back side of the body 1. The formed ratchet lever 11, an engagement pin 12 that penetrates from the front side of the body 1 connecting the ratchet 8 and the ratchet lever 11 to the back side of the body 1, and the body 1
An open lever 17 which is provided on the back side of the body and is capable of rotating around the mounting shaft 9 to rotate the ratchet lever 11, and a direction intersecting the axis of the mounting shaft 9 provided on the back side of the body 1. Has an engaging step portion 16 that engages with the engaging claw 15 of the ratchet lever 11 when it is slid between a locked position and an unlocked position and rotates together with the open lever 17. When in the locked position, the ratchet lever 11 moves from the engaging claw 15 to the engaging step 16
Is composed of a lock member 13 engaged with the mounting shaft 9 to be disengaged. When the ratchet 8 is in contact with the outer peripheral surface of the latch 4 when the ratchet 8 is in a door open state, the lock member 13 has a protrusion 26. The locking member that is in contact with and in an unlocked position
Although 13 cannot be slid to the lock position, when the open lever 17 is opened and pivoted to shift the position in the circumferential direction around the mounting shaft 9, it does not come into contact with the protrusion 26 and is moved to the unlock position. A vehicle door locking device provided with a keyless locking protrusion (25) capable of sliding the locking member (13) to a locking position.