JPH0635742Y2 - Locking device for automobile opening / closing body - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of use] The present invention relates to a lock device for an opening / closing body such as a door of a vehicle or a retractable roof.

[Prior Art] Conventionally, as a locking device 3 for a removable roof 2 in a sports vehicle 1 as shown in Fig. 7, there is one disclosed in Japanese Utility Model Laid-Open No. 55-109753.

This device synchronizes a pair of front and rear lock pins 5 and 6 for engaging with the vehicle body 4 from the front and rear ends of the removable roof 2 by rotating an operating rod (not shown) from inside the vehicle. The operating rod can be turned or withdrawn by operating a manual knob (not shown).

By the way, in the conventional device as described above, there is a problem that the internal mechanism is complicated and large-sized, and in particular, the width in the left-right direction and the thickness in the vertical direction become large, and the overhead space in the vehicle compartment becomes narrow. .

Therefore, the applicant of the present application has already proposed, as Japanese Patent Application No. 62-122423, a locking device for an automobile opening / closing body which solves the above-mentioned problems by arranging each member in a substantially straight line.

[Problems to be solved by the invention] However, in such a device, although the rotation of the operating rod is prevented or allowed by the operation of the manual knob, the manual knob can freely move in the unlocked state. There was a point left to be improved that the driver etc. mistakenly recognize that the manual knob rattles during traveling or moves to the locked position even in the unlocked state.

In view of such circumstances, an object of the present invention is to provide a lock device for an opening / closing body for a vehicle, which prevents rattling of a manual knob and does not cause misidentification.

[Means for Solving the Problems] In order to achieve the above-mentioned object, the present invention provides a pair of lock pins for engaging with a vehicle body at both ends of an opening / closing body so as to be retractable, and a pivot shaft is provided on the opening / closing body. By rotating the operating rod pivotally attached by a required angle, the operating rod and each lock pin are linked to each other so that both lock pins appear and disappear in synchronization with each other, and further, the operating rod is engaged with the opening / closing body. In a locking device for an automobile opening / closing body, which is provided with a locking device that can prevent the operating lever from rotating, the pivot of the operating lever and the locking device are arranged substantially on a straight line connecting both lock pins. , The locking device is moved relative to the operating rod in a direction along a straight line so that the locking device can be engaged with and disengaged from the operating rod, and in the unlocked state, the locking device is urged in the direction to release from the operating rod. It is characterized by

[Operation] According to the present invention, by rotating the operating rod by a required angle while the locking device is relatively disengaged from the operating rod,
Both lock pins can be retracted from both ends of the opening / closing body in synchronization with each other, whereby the opening / closing body can be locked while being mounted on the vehicle body, or the lock can be released to open from the vehicle body. be able to.

When the locking device is engaged with the operating rod, the rotation of the operating rod is blocked, and the operating rod moves delusionally due to an inadvertent collision of a human body or another object, an impact at the time of a collision of an automobile, or the like. It is possible to prevent the possibility that the lock is released unexpectedly and the opening / closing body is opened.

Further, when the locking device is relatively disengaged from the operating rod, the locking device is urged in the disengagement direction so that it is held in the unlocked position and does not rattle during traveling.

[Embodiment] FIG. 1 to FIG. 6 show the present invention in which a removable roof 2 which is one of the opening / closing bodies in the conventional sports car 1 shown in FIG.
An embodiment applied to a lock device 3 for a vehicle is shown.

The lock device 3 of the present invention is the same as the conventional one except that the internal structure is different from the conventional one, and the same parts are the same as those used in FIG. Description will be given using reference numerals.

A hollow box 7 facing the front-rear direction of the vehicle body 4 is fixed to the lower part of the inside of the detachable roof 2, and front and rear end faces 7a and 7b thereof are the same as those of the conventional one. The corresponding lock pins 5 and 6 are provided so as to be retractable in the front-rear direction.

A substrate 8 facing in the front-rear direction as shown in FIGS. 2 to 6 is fixed to approximately the center of the box 7.

A base portion 9a of the operating rod 9 is pivotally attached to a substantially central portion of the substrate 8 by a pivot 10 that faces the left-right direction of the vehicle body 4.

The pivot 10 is located on a straight line L connecting the front and rear lock pins 5 and 6.

The operating rod 9 is provided in a decorative frame 11 provided on a side surface 7c of the box 7 on the inner side of the vehicle. The operating rod 9 penetrates through an arc-shaped slit centered on the pivot 10 and protrudes toward the inner side of the vehicle.
A handle 13 is fixedly fitted on 9b.

In FIG. 2, a front end of the rod 14 is connected to the front lock pin 5 at a part of the base portion 9a of the operating rod 9 which is slightly distant from the pivot 10 in the front lower direction, and has a crank-shaped bent portion 14a in the middle. A rod 16 having a rear end connected with a shaft 15 and a rear end connected to a rear lock pin 6 at a position point-symmetrical to the shaft 15 with respect to the pivot 10 and having a crank-shaped bent portion 16a in the middle. The front ends of are connected by a shaft 17.

Thus, by rotating the operating rod 9 from the lock position shown in FIGS. 2 to 4 to the unlock position shown in FIG. 6 via the intermediate position shown in FIG.
The lock pins 5 and 6 can be retracted into the front and rear end surfaces 7a and 7b of the box 7 via 16 and 16, so that the removable roof 2 can be freely attached to and detached from the vehicle body 4, and the operating rod 9 By rotating in the opposite direction to the above case,
Connect the lock pins 5 and 6 to the front and rear end faces 7a of the box 7.
And 7b, and these are projected into an engaging hole (not shown) of the vehicle body 4 to lock the detachable roof 2 so as not to come off from the vehicle body 4.

Reference numeral 18 denotes a cam groove formed in the base portion 9a of the operating rod 9. In FIG. 2, a short engagement groove 18a extending forward along the straight line L from slightly forward of the pivot shaft 10 is provided. A first guide groove 18b that bends at a right angle from the front end of the mating groove 18a, a second guide groove 18c that extends rearward from the end of the first guide groove 18b, and slightly closer to the pivot 10 than the rear end of the second guide groove 18c. End engaging part 18 that is recessed only
It consists of d.

A guide pin 20 having a cylindrical bush 19 is slidably engaged with the cam groove 18.

Reference numeral 21 denotes a resin-made spring bearing member pivotally attached to the pivot 10 between the expanded head 10a of the pivot 10 and the base plate 8 at the center of the rectangular plate-like base 21a. Than,
A front end of a guide rod 21c arranged along the straight line L is continuously provided on the rear surface of the projecting piece 21b projecting downward.

Reference numeral 23 is a first slide member on a flat plate that faces the front-rear direction. The guide pin 20 is fixed to the upper surface of the front end portion of the first slide member, and the length along the straight line L is slightly longer than the guide pin 20. A hole 24 is provided.

The first slide member 23 has the elongated hole 24 and the enlarged diameter head 10 of the pivot 10.
The shaft 10 is slidably engaged between a and the base portion 21a of the spring receiving member 21, and the guide pin 20 is bored in the substrate 8 via the bush 19 and has a length along the straight line L. By being slidably engaged with the hole 25, it is slidably mounted on the substrate 8 in the direction of the straight line L.

The guide pin 20 includes, in addition to the long hole 25 of the base plate 8, the cam groove 18 of the operating rod 9 and the long hole 29 of the second slide member 28 described later.
Also slidably engaged with.

At both ends of the first slide member 23, projecting pieces 23a and 2a are provided, respectively.
3b are arranged in series, and the protrusions 23a and 23b have their centers at the center.
Shaft holes 26a and 26b are formed so that the rear portion of the guide rod 21c and the rear portion of the guide rod 28e of the second slide member 28, which will be described later, respectively slidably pass therethrough.

A first compression coil spring 27 is provided between the front surface of the protruding piece 23a and the rear surface of the protruding piece 21b of the spring receiving member 21 so as to surround the guide rod 21c.

With this compression coil spring 27, the first slide member 23
As shown in FIG. 3, the front end of the long hole 24 is constantly urged rearward so as to engage with the pivot 10.

28 is a resin-made second slide member which faces the front-rear direction, and a projection piece 28 having a curved surface and a side edge continuous with the curved surface at its front end.
a is continuously provided, and a stopper piece 28b protruding laterally is continuously provided at the middle portion, and the protruding piece 2 protruding downward is provided.
8c and a columnar piece 28d protruding upward are continuously provided,
Further, a long hole 29 having the same shape and size as the long hole 25 formed in the substrate 8 is formed in the rear portion along the straight line L. Further, the guide rod 2 extending along the straight line L is provided on the protrusion 28c.
8e are continuously provided, and the rear end thereof is slidably fitted in the shaft hole 26b of the front end projecting piece 23b of the first slide member 23 as described above. A second compression coil spring 30 is contracted between the rear surface of the protruding piece 28c and the front surface of the front end protruding piece 23b so as to surround the guide rod 28e.

The front end portion of the second slide member 28 is formed by cutting and raising the front edge of the substrate 8.
A long hole 29 is slidably fitted in the notch opening 8b formed in 8a, and is provided between the substrate 8 and the first slide member 23.
By being engaged with the guide pin 20 via the bush 19, it is slidably attached to the substrate 8 in the same direction as the straight line L. The forward movement of the second slide member 28 is prevented by the stopper piece 28b contacting the side edge of the cutout opening 8b on the way.

The columnar piece 28d penetrates through the notch opening 8c formed in the base plate 8 and continuous with the above-mentioned notch opening 8b, and the elongated hole 33 formed in the decorative frame 11 and directed in the front-rear direction, and protrudes toward the inside of the vehicle. A knob 34 for manual operation is fixedly fitted to the tip.

Thus, as shown in FIG. 3, the second slide member 28 always causes the guide pin 20 to move after the elongated holes 29 and 25 by the biasing force of the first compression coil spring 27 on the first slide member 23 side. Engage with the rear end of the engagement groove 18a of the end and the cam groove 18,
Further, the rear end is located at the rear end position where it abuts on the front end of the base portion 21a of the spring receiving member 21, and from this state, the knob 34 is moved forward against the biasing force of the first compression coil spring 27. By pushing, at least the guide pin 20 can be moved forward to a locking release position where it engages with a continuous portion of the front end of the engagement groove 18a and the start end of the first guide groove 18b in the cam groove 18. This moving operation does not affect the second compression coil spring 30 at all.

A key cylinder device 35 is provided in front of the second slide member 28.
The lock plate is provided with a stop piece for the key plate 36.
36a rotates along the curved surface of the protruding piece 28a, enters the movement path of the protruding piece 28a of the second slide member 28, and moves from the rear end position of the second slide member 28 to the unlocking position direction. Locking position to prevent movement and stop piece as shown in phantom in Fig. 4.
36a deviates from the movement locus of the protruding piece 28a of the second slide member 28 and can move to the unlocked position that allows the movement of the second slide member 28 from the rear end position to the unlocked position. There is.

Next, the operation and handling of this embodiment will be described.

In the state shown in FIG. 4, when the key plate 36 is in the locked position, even if the knob 34 is pushed forward, the second slide member 28 is blocked by the stop piece 36a of the key plate 36,
It cannot be moved to the unlocked position side.

In this state, the guide pin 20 is engaged with the rear end of the long hole 29 of the second slide member, the rear end of the long hole 25 of the substrate 8, and the operating rod 9 by the urging force of the first compression coil spring 27. Groove 18a
Since they are simultaneously engaged with the rear ends of the
Cannot be rotated from the locked position toward the unlocked position.

From this state, the key plate 36 is moved to the unlocked position by the key operation, and then the second slide member 28 is moved forward by the knob 34 to the unlocked position against the biasing force of the first compression coil spring 27. The guide pin 20 is engaged with the front end of the engagement groove 18a of the cam groove 18, that is, the start end of the first guide groove 18b.

At this time, the first movement is linked to the forward movement of the guide pin 20.
The slide member 23 is also moved forward, and the protrusion 23a of the slide member 23
The compression coil spring 27 of is compressed.

Thereafter, the operation lever 9 is rotated clockwise by the second slide member 28 while the guide pin 20 is being pressed against the front end portion of the engagement groove 18a of the operation rod 9. It should be noted that FIGS. 4 to 6 below are views seen from the back surface side with respect to FIG.

Then, the guide pin 20 relatively enters into the first guide groove 18b of the cam groove 18.

After the guide pin 20 enters the first guide groove 18b, the knob 34
When the hand is released from, the guide pin 20 is pressed against the side edge of the first guide groove 18b near the pivot axis 10 by the biasing force of the first compression coil spring 27, and is suitable for the clockwise rotation of the operating rod 9. Gives the resistance of.

If the operating rod 9 continues to rotate from this state, the first guide groove
The guide pin 20 is gradually pushed forward along the side edge of the 18b near the pivot 10, and at this time, the second compression coil spring 30 is also compressed by the front end projecting piece 23b of the first slide member 23, and the first compression is performed. Along with the coil spring 27, an appropriate resistance force is provided.

When the operating rod 9 is rotated to the intermediate position as shown in FIG. 5, the guide pin 20 that has been gradually pushed forward along the side edge of the first guide groove 18b close to the pivot 10 until then.
When the operating rod 9 reaches the intersection of the first guide groove 18b and the second guide groove 18c and the operating rod 9 is further rotated clockwise beyond the intermediate position shown in FIG. 5, the guide pin 20 moves to the second guide. Pressing against the side edge of the groove 18c near the pivot 10, the first and second compression springs 27 and 30 act in turn to assist the clockwise rotation of the operating rod 9.

As shown in FIG. 6, when the operating rod 9 reaches the unlocked position, the guide pin 20 engages with the end engaging portion 18b of the cam groove 18 to stably hold the operating rod 9 in the unlocked position. To do.

By rotating the operating rod 9 from the locked position to the unlocked position, both rods 14 and 16 are pulled inward in synchronization with each other, and the lock pins 5 and 6 connected to the tips thereof are retracted from the protruding state. Can be pulled to the state.

In this state, the removable roof 2 can be freely removed from the vehicle body 4.

It should be noted that the second slide coil 28 is compressed by the front end projection 23b of the first slide member 23, which is held in a state of being moved slightly leftward as shown in FIG. Since the end portion of the hole 29 is locked to the guide pin 20, it is urged and held in the stopped state.

By rotating the operating rod 9 in the counterclockwise direction from the unlocked position shown in FIG. 6 to the locked position shown in FIG. 4, both lock pins 5 and 6 are operated in the reverse operation to the above.
Are returned to their original protruding state.

In the case of this returning operation, a slightly large operating force is required for the operating rod 9 in order to disengage the guide pin 20 from the end engaging portion 18d of the cam groove 18 to the second guide groove 18c side, and Until the intermediate position shown in FIG. 5 is reached from the unlocked position, the guide pin 20 is in pressure contact with the side edge of the second guide groove 18c near the pivot axis 10, and the first and second compression springs 27 and 30 are The guide pin 20 acts on the pivot shaft 10 in the first guide groove 18b until it acts as a resistance force against the counterclockwise rotation of the operating rod 9 and the operating rod 9 reaches the lock position from the intermediate position.
The springs 27 and 30 have a function of assisting the clockwise rotation of the operating rod 9 by being pressed against the side edge of the side.

When the operating rod 9 reaches the lock position, the guide pin 20 enters the engaging groove 18a, and then the biasing force of the first compression coil spring 27 causes the guide pin 20, the first slide member 23, and the second slide member 23.
The slide members 28 are all returned to the original state shown in FIGS. 3 and 4.

At this time, the operating rod 9 is locked by the engagement between the guide pin 20 and the rear end of the engaging groove 18a so as not to inadvertently rotate.

In this embodiment, the first slide member 23, the second slide member 28, the first compression coil spring 27, the guide pin 20,
The engagement groove 18a of the cam groove 18, the knob 34, and the like form a locking device that can prevent the operating rod 9 from rotating.
It is moved relative to the operating rod 9 in the direction along the straight line L so that it can be disengaged from the operating rod 9, and when the locking device is relatively released from the operating rod, this locking is performed. By urging the device in the detaching direction, it is possible to achieve the effects described below as the effects of the invention.

Further, with the configuration as in this embodiment, the following effects peculiar to the embodiment can be obtained.

(1) The first compression coil spring has an urging function for a locking device that locks the guide pin 20 on the operating rod 9 to prevent the operating rod 9 from rotating, and an operating rod 9 for operating the operating rod 9. It has two functions: a check function that gives a feeling of moderation and a second compression coil spring, which has the function of suppressing the fluctuation of the knob without affecting the knob operating force and the above-mentioned check function. The structure can be simplified by also using.

(2) It is safe because the operating rod 9 does not protrude from the surface of the removable roof 2 at any of the locked position and the unlocked position.

(3) Even if the key cylinder device tries to perform the locking operation with the operating rod rotated to the unlocked position, the stop piece 36a of the key plate 36 causes the projection piece 28a of the second slide member 28 to move.
Of the key plate 36 or the second slide member even if the key cylinder device is erroneously locked after the operating rod 9 is rotated to the unlock position since the lock is prevented. There is no risk of damaging 28 etc.

[Effects of the Invention] As is apparent from the above description, according to the locking device for the opening / closing body for an automobile of the present invention, the pivot and the locking device of the operating rod are arranged substantially on a straight line connecting both lock pins, The locking device is moved relative to the operating rod in the direction along the straight line so that the locking device can be engaged with and disengaged from the operating rod, and in the state where the locking device is relatively disengaged from the operating rod. Since the locking device is biased in the disengagement direction, the entire device can be made thinner and thinner, which is advantageous in terms of installation space, and misjudgment of rattling and locked or unlocked state during traveling. Can be prevented and the quality feeling can be improved.

[Brief description of drawings]

FIG. 1 is a perspective view showing an example of an opening / closing body to which the locking device of the present invention is applied, FIG. 2 is an exploded perspective view showing an essential part of an embodiment of the present invention, and FIG. FIG. 4 is a side sectional view showing an example, FIG. 4 to FIG. 6 are bottom views showing another operating state of an embodiment of the present invention, and FIG. 7 is an example of an opening / closing body having a conventional locking device. It is a partially exploded perspective view of an automobile. 2 ... Removable roof (opening / closing body), 3 ... Lock device, 4 ... Car body, 5,6 ... Lock pin, 8 ... Board, 9 ... Operating rod, 10 ... Axis, L ... Straight line, 27 ... First compression coil Spring, 30 ... Second compression coil spring.

Claims (1)

[Scope of utility model registration request] 1. A pair of lock pins for engaging with a vehicle body are provided at both ends of the opening / closing body so as to be retractable, and an operating rod pivotally attached to the opening / closing body is pivoted by a predetermined angle. , The operating rod and each lock pin are linked to each other so that the both lock pins appear and disappear in synchronization with each other, and further, the opening and closing body can be engaged with the operating rod to prevent the operating rod from rotating. In a locking device for an automobile opening / closing body provided with a locking device, the pivot of the operating rod and the locking device are arranged substantially on a straight line connecting both the lock pins, and the locking device is The operating rod is relatively moved in a direction along the straight line so that the operating rod can be disengaged from the operating rod, and the locking device is urged in a direction to be released from the operating rod in an unlocked state. Locking device for opening / closing body for automobile .