JPS63287627A - Lock device for opening and closing structure in automobile - Google Patents

Abstract

PURPOSE:To promote the simplification of the whole constitution and the improvement of controllability, by pivotally mounting the other end of a lock pin to a swivelable control lever of a removable roof and linearly arranging respectively a slide member, mounted being fitted to a control lever guide pin, in the moving direction and a slide member lock part in the moving direction of the lock pin. CONSTITUTION:Providing a control rod 9 swivelable about a pivotal shaft 10 and pivotally mounting rods 14, 16 in the other end of a lock pin in the central lock control part of a removable roof in a sports car, the removable roof, which protrudes and retracts the lock pin by swiveling the control lever 9, is locked to a predetermined position. The roof, mounting a long hole 29 of a slide member 28 to be fitted to a guide pin 20 engaged with a guide groove 18 of squared shape with one end open in the control lever 9, linearly arranges in the lengthwise direction the slide member 28 in the moving direction by its handle 34 and a lock part key plate 36 of the slide member 28 in the moving direction of the lock pin. In this way, the simplification of constitution and the improvement of controllability in the whole lock device can be promoted.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a locking device for an opening/closing body such as an automobile door or an opening/closing roof.

[Conventional technology]

For example, as a locking device (3) for a removable roof (2) of a sports car (1) as shown in Fig. 10,
There is one disclosed in Japanese Patent No. 5-109753.

This device operates from the front and rear ends of the removable roof (2) by rotating the operating lever (as shown) from inside the vehicle.
A pair of front and rear lock pins (5) (6) for engagement with 4)
are designed to be able to move in and out in synchronization with each other, and rotation of the operating rod can be prevented or allowed by operating a single manual knob (path shown) to move in and out.

[Problem that the invention seeks to solve]

The conventional device as described above has a problem in that the internal mechanism is complicated and large, and in particular, the width in the left-right direction and the thickness in the vertical direction are large.

An object of the present invention is to provide a locking device for an opening/closing body for an automobile that solves the above-mentioned problems by arranging each member substantially in a straight line.

[Means for solving problems]

As a specific means for solving the above-mentioned problems, the present invention provides a pair of lock pins for engaging with the vehicle body at both ends of the opening/closing body so as to be retractable, and the opening/closing body is pivoted with a pivot. By rotating the operating rod at the required angle,
The operating rod and each lock pin are linked to each other so that both the lock pins move in and out in synchronization with each other, and the opening/closing body further includes a locking member that engages with the operating rod and prevents rotation of the operating rod. In the locking device for an opening/closing body for an automobile, which is provided with a locking device, the pivot of the operating rod and the locking device are disposed approximately on a straight line connecting both the lock pins, and the locking device is connected to the locking device. By moving it relative to the rod in the direction along the straight line, it can be engaged with and disengaged from the operating rod.

(Function) In the locking device for an opening/closing body for an automobile of the present invention, both lock pins can be opened/closed by rotating the operating rod by a required angle with the locking device relatively detached from the operating rod. It can be made to appear and disappear from both ends of the body in synchronization with each other,
Thereby, the opening/closing body can be locked while attached to the vehicle body, or the lock can be released to open it from the vehicle body.

When the locking device is engaged with the operating rod, rotation of the operating rod is prevented, and the operating rod is prevented from colliding with a human body or other objects due to inadvertence.
It is possible to prevent the possibility that the opening/closing body will move accidentally due to the impact of a car collision, and the lock will be unexpectedly released and the opening/closing body will open.

〔Example〕

Figures 1 to 5 show a locking device (3) for a removable roof (2), which is one of the opening/closing bodies in a conventional sports car (1) shown in Figure 10, in which the present invention is applied. One example will be shown.

Note that the locking device (3) of the present invention differs from the conventional one only in its internal structure, and is otherwise the same as the conventional one, so the same parts are as follows.

The explanation will be made using the same reference numerals as those used in FIG. 10.

A hollow box (7) facing in the front and rear direction is fixed to the lower part of the removable roof (2) on the inside of the car, and the front and rear end surfaces (7a) (7b) of the box are fixed to the lower part of the inside of the car. Lock pins (5) and (6) for engagement with (4) are provided so as to be freely retractable in the front-rear direction.

A substrate (8) facing in one front-rear direction as shown in FIGS. 2 to 5 is fixed to approximately the center of the box (7).

Approximately in the center of the board (8) is the base (9a) of the operating rod (9).
) is pivotally mounted with a pivot (10) facing in the left-right direction of the vehicle body (4).

The pivot (10) is positioned on a straight line (L) connecting the lock pins (5) and (6) in front and behind.

The operating rod (9) is a pivot (11) bored in a decorative frame (11) provided on the side surface (7c) of the box (7) on the inside of the car.
A handle (13) is firmly fitted to the tip (9b) which passes through an arc-shaped slit (12) centered at 10), projects toward the inside of the vehicle, and faces rearward.

In the state shown in the second diagram, the base (9a) of the operating rod (9)
A rod (14) whose front end is connected to the front lock pin (5) and which has a crank-shaped bent part (14a) in the middle is located at a portion slightly forward and upward from the pivot (lO).
The rear ends are connected with a shaft (15), and the base (9
In a), in a position point-symmetrical to the axis (15) with respect to the pivot (10), there is a rod whose rear end is connected to the rear lock pin (6) and which has a crank-shaped bent part (16a) in the middle. The front ends of (16) are connected with a shaft (17).

Thus, the operating rod (9) can be moved from the locking position facing rearward as shown in FIG. 2 to the intermediate position shown in FIG.
As shown in Fig. 5, each lock pin (5) (6) is attached to the front and rear of the box (7) via the rod (14) (16) by rotating it to the unlocked position facing downward. The removable roof (2) can be freely attached and detached from the vehicle body (4) by being immersed in the end faces (7a) and (7b), and the operating rod (9) can be rotated in the opposite direction to the above case. This causes each lock pin (5) to protrude from the front and rear end surfaces (7a) (7b) of the box (7).

Push them into the engagement hole (path shown) in the vehicle body (4),
The removable roof (2) can be locked so that it does not come off the vehicle body (4).

(18) is a cam groove drilled in the base (9a) of the operating rod (9), which extends forward along the straight line (L) from slightly in front of the pivot (10) in Fig. 2. Short engagement groove (
18a), a first guide groove (18b) hanging perpendicularly from the front end of the engagement groove (18a), and a second guide groove (18c) extending rearward from the lower end of the first guide groove (15b); The second guide groove (18c) has a terminal engagement portion (18d) that is slightly recessed toward the pivot (10) from the rear end thereof.

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

In (21), the center of the rectangular plate-shaped base (21a) is located between the expanded diameter head (10a) of the pivot (10) and the base plate (8), and the spring bearing pivoted on the pivot (10) is In the member, a straight line (L
) is fixed at the front end of the guide rod (22) facing rearward.

(23) is a flat plate-shaped first slide member facing in the front-rear direction, and the above-mentioned guide pin (20) is fixed to the front end of the first slide member. A long hole (24) corresponding to the diameter is bored.

The first slide member (23) has an elongated hole (24) with a pivot (
The enlarged diameter head (10a) of 10) and the spring receiver are slidably engaged with the pivot (lO) between the base of the member (21),
and the guide pin (20) via the bush (19),
A long hole (2) matching the straight line (L) drilled in the substrate (8)
5) by slidably engaging the substrate (8);
It is mounted so as to be slidable in the direction of a straight line (L).

In addition to the elongated hole (25) of the base plate (8), the guide pin (20) has a cam groove (18) of the operating rod (9) described above, and an elongated hole (29) of the second slide member (28) described later. ) are also slidably engaged.

A protruding piece (23a) facing outward is connected to the rear end of the first slide member (23), and the rear part of the guide rod (22) slides in the center of the protruding piece (23a). A shaft hole (26) is bored through it freely.

A compression coil spring (27) is compressed between the front surface of the protruding piece (23a) and the rear surface of the protruding piece (21b) of the spring bearing member (21) so as to surround the guide rod (22). ing.

This compression coil spring (27) causes the first slide member (23) to move through the elongated hole (2) as shown in FIGS. 2 and 3.
4) is constantly biased rearward so that the front end thereof engages with the pivot (10).

(28) is a flat plate-shaped second slide member facing in the front-rear direction, the front end of which is provided with a protruding piece (28a) facing outward, and the middle part thereof with a cut-and-raised piece facing inward. (28b) are connected, and a long hole (29) of the same shape and size as the long hole (25) drilled in the board (8) is drilled in the rear part, which coincides with the straight line (L). has been done.

The second slide member (28) has a front end slidably fitted into a frame piece (30) cut and raised outward from the base plate (8), and the second slide member (28) Slide member (23)
between the long hole (29) and the guide pin (20).
The bushing (19) is engaged with the base plate (8) so as to be slidable in the same direction as the straight line (1,).

(31) is a shoe that is fitted inside the frame piece (30) and slidably guides the second slide member (28).

The cut-and-raised piece (28b) has a long hole (32a) facing rearward that is continuous at the center of the rear end of a large notch opening (32) made in the base plate (8), and a long hole (32a) that faces backward and is bored in the decorative frame (11). It protrudes toward the inside of the vehicle through a long hole (33) facing in the longitudinal direction provided therein, and a knob (34) for manual operation is firmly fitted to the tip thereof.

Thus, the second slide member (28) is always
As shown in the figure, due to the biasing force of the compression coil spring (27) on the first slide member (23) side, the guide pin (20)
The rear end of the long hole (29) (25) and the cam groove (18)
is engaged with the rear end of the engagement groove (18a) of the member (21), and the rear end or spring receiver is located at the rear limit position in contact with the front end of the base (21a) of the member (21), and from this state, By pushing the knob (34) forward against the biasing force of the compression coil spring (27), at least the guide pin (20) connects with the front end of the engagement groove (18a) in the cam groove (18). The unlocking position where the guide groove (18b) is engaged with the continuous part with the upper end!
! (not shown).

A key cylinder device is provided in the notch opening (32) of the board (8) so that a key groove (35a) opens on the side surface (7c) of the box (7)! (35) are fitted.

This key cylinder device (35) has a key plate integrated or linked with an internal rotor (not shown) by inserting a key (not shown) into a key groove (35a) and rotating it in a desired direction. (36), as shown by the solid line in FIG.
6a) is the projecting piece (28a) of the second slide member (28)
As shown by imaginary lines in FIG. 2, the stop piece (36a )
is removed above the movement trajectory of the protruding piece (28a) of the second slide member (28), and the second slide member (28) is in an unlocked position that allows movement from the rear limit position to the unlocked position. It is designed to be movable.

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

In the state shown in Fig. 2, when the key plate (36) is in the locked position, even if the knob (34) is pushed forward,
The second slide member (28) is obstructed by the stop piece (36a) of the key plate (36) and cannot be moved to the unlocked position.

In this state, due to the biasing force of the compression coil spring (27), the guide pin (20) is inserted into the rear end of the elongated hole (29) of the second slide member (28) and the elongated hole (25) of the substrate (8). Since the rear end and the rear end of the engagement groove (18a) of the operating rod (9) are simultaneously engaged with each other, it is impossible to rotate the operating rod (9) from the locked position to the unlocked position. Can not.

From this state, by key operation, the key plate (36)
is set to the unlocked position, the second slide member (28) is moved forward by the knob (34) against the biasing force of the compression coil spring (27) to the unlocked position, and the guide pin (2
0) is engaged with the front end of the engagement groove (18a) of the cam groove (18), that is, the upper end of the first guide groove (18b).

At this time, the first slide member (23) is moved forward in conjunction with the forward movement of the guide pin (20),
The compression coil spring (27) is compressed by the projection (23a).

Thereafter, with the knob (34) pressing the guide pin (30) against the front end of the engagement groove (18a) in the operating rod (9), move the operating rod (9) in the opposite direction as shown in FIG. Rotate clockwise.

Then, the guide pin (20) moves to the first position of the cam W (18).
guidance? 11 (18b).

After the guide pin (20) enters the first guide groove (13b), when you release your hand from the knob (30), the guide pin (20)
is in pressure contact with the side edge of the first guide groove (18b) near the pivot axis (lO) due to the biasing force of the compression coil spring (27), and provides moderate resistance to the counterclockwise rotation of the operating rod (9). Empower.

When the operating rod (9) is rotated to an intermediate position as shown in FIG. 4, the pivot (18b) of the first guide groove (18b)
10) The guide pin (20), which has been gradually pushed forward along the closer side edge, approaches the intersection of the first guide groove (18b) and the second guide groove (18c), and the operating rod (9)
) is further rotated counterclockwise beyond the intermediate position shown in FIG. 4, the guide pin (20) comes into pressure contact with the side edge of the second guide groove (18c) near the pivot axis (10), This time, it acts to assist the counterclockwise rotation of the operating rod (9).

When the operating rod (9) reaches the unlock position as shown in FIG. ) in the unlocked position.

By rotating the operating rod (9) from the locked position to the unlocked position, both rods (14) and (16) are drawn inward in synchronization with each other, and the locking pin (5) ( 6) is retracted from the protruding state to the retracted state.

In this state, the detachable roof (2) can be freely attached to and detached from the vehicle body (4).

Note that the second slide member (28) has a guide pin (20
) is removed from the engagement groove (18a), it may be stopped at any position.

By rotating the operating rod (9) clockwise from the unlock position shown in Fig. 5 to the lock position shown in Fig. 2, both lock pins (5) (
6) is returned to its original protruding state.

In this return operation, the guide bin (20) is inserted into the cam groove (1).
8) from the terminal engaging part (18d) to the second guide groove (18c)
A slightly large operating force is required on the operating rod (9) to pull it out to the side, and the guide bin (
20) is the pivot (10) in the second guide groove (18c)
The guide bin (20) is in pressure contact with the side edge of the opposite side and acts as a resistance force against the clockwise rotation of the operating rod (9), and until the operating rod (9) reaches the lock position from the intermediate position, the guide bin (20) ,
It comes into pressure contact with the side edge of the first guide groove (18b) closer to the pivot shaft (10) and acts to assist the clockwise rotation of the operating rod (9).

When the operating rod (9) reaches the lock position, the guide bin (2)
0) enters the engagement groove (18a), and then, due to the biasing force of the compression coil spring (27), the guide bin (20), the first slide member (23), and the second slide member (28)
are all restored to their original states as shown in FIG.

At this time, the operating rod (9) is locked to prevent accidental rotation due to the engagement between the guide bin (20) and the rear end of the engagement groove (18a).

In this embodiment, a first slide member (23), a second slide member (28), a compression coil spring (27),
Guide bin (20), engagement groove (18a) of cam groove (18)
), a knob (34), etc., form a locking device (X) that can prevent rotation of the operating rod (9), and this locking device (X)
can be moved relative to the operating lever (9) in the direction along the straight line (L) to be able to engage and disengage from the operating lever (9), thereby achieving the effects described later as effects of the invention. can be played.

Moreover, by having a configuration like this first embodiment,
The following effects unique to the embodiment can be achieved.

(1) With only one compression coil spring, the guide bin (20
) to the operating rod (9) to prevent rotation of the operating rod (9);
), the structure can be simplified by combining the two functions of the biasing means for the checking means to give a sense of moderation to the operation. That is, conventionally, separate springs were used depending on each function.

(2) It is safe because the operating rod (9) does not protrude from the surface of the removable roof (2) in either the locked position or the unlocked position.

(3) In the conventional device described above, when the operating rod is rotated to the unlock position, the key cylinder device
Forcibly locking the lock may damage the key cylinder device or the part that engages with it, but in the case of this first embodiment, after rotating the operating rod (9) to the unlock position,
Even if the key cylinder device (35) is accidentally locked, there is no risk of damage to the key plate (36) or the second slide member (28).

6 and 7 show a second embodiment of the present invention.

In the second embodiment, members having the same or similar functions as those in the first embodiment are shown with the same reference numerals, and detailed explanation thereof will be omitted (also in the third embodiment). The same shall apply).

The second embodiment differs from the first embodiment in the following points.

(a) The operation lever (9) in the first embodiment is attached to the board (8).
An engagement groove (
40a), first guide groove (40b), second guide groove (40c)
) and an end engaging portion (40d), and the operating rod (9) has a long hole (25) formed on the base plate (8) side in the first embodiment. Similar long hole (41)
By drilling, when the operating rod (9) is rotated from the lock position to the unlock position and in the opposite direction,
While the guide bin (2o) is sliding inside the long hole (41),
It rotates around the pivot shaft (1o) together with the operating rod (9), and the engagement groove (4
0a) - First guide groove (40b) - Second guide groove (40c)
- The terminal engagement portion (40d) is sequentially advanced in this order and vice versa, so as to function in the same manner as in the first embodiment.

(α) The first slide member (23) in the first embodiment,
Instead of the member (21), the guide rod (22), the compression coil spring (27), etc., the spring receiver uses a tension coil spring (42) and a guide pin (20) protruding from the base plate (8). By locking each end of the guide pin (20), the guide pin (20) is constantly biased rearward and downward (lower left in FIG. 6), and the guide pin (20) is fitted with the cam groove (40).
The engagement force to the engagement groove (40a) and the terminal engagement part (40d), and the first guide groove (40b) and the second guide 1
11 (40c), a pressing force is applied in the direction of the pivot (10).

(A) The front end of the slide member (44) is slidably fitted into the frame piece (30) cut and raised from the base plate (8), and is provided protruding from the middle part of the slide member (44). By slidably fitting a pin (45) serving as a manual knob into a long hole (46) drilled in the board (8), the slide member (44) is moved relative to the board (8). A rectangular notch (4) that is slidably mounted in the same direction as the straight line (L) and that opens upward is cut into the upper edge of the rear end of the slide member (44).
7) with the guide pin (20), the pin (45) is manually operated to move the slide member (44),
Move it forward from the rear limit position shown in Fig.
47) so that the guide pin (20) can be moved from the rear end to the front end of the engagement groove (40a) of the cam groove (40).

In the second embodiment, a slide member (44), a tension coil spring (43), a cam groove (40), a long hole (41),
Guide pin (20), pin (45), notch (47)
A locking device (
X) is formed.

The other points are the same as those of the first embodiment, and operate almost the same as those of the first embodiment.

In the second embodiment, in addition to being able to achieve the same effects as those of the first embodiment, the first slide member (23), the spring support member (21), and the guide rod ( 22) etc. can be omitted, which has the advantage that the structure can be further simplified.

8 and 9 show a third embodiment of the present invention.

The third embodiment differs from the first embodiment in the following points.

(d) An elongated hole (50) facing in the front-rear direction is bored approximately in the center of the base (9a) of the operating rod (9), and this elongated hole (50) is slidably engaged with the pivot (10). By doing so, the operating rod (9) itself can be slid back and forth in the locked position shown in FIGS. 8 and 9.

(f) A slide member (51) is integrally formed at the front end of the base (9a) of the operating rod (9), and the key cylinder device (3
When the key plate (36) of 5) is stopped at the locked position, a slide member (
By abutting the front end of 51), forward movement of the operating rod (9) is prevented.

(f) A rotary lever (52) separate from the operating rod (9) is pivotally attached to the pivot (10), and each rod (14) (16) is placed at a position corresponding to the rotary lever (52). ), axis (1
5) (17) are connected to each other.

(g) Elongated holes (53) of the same shape and size facing in the front-rear direction are located in corresponding positions of the operating rod (9) and the rotating lever (52).
(54) are drilled respectively, and the surface elongated holes (53) (5
4), by continuously fitting the guide pin (56) provided with the bush (55), the operating rod (9) can be moved relative to the rotation lever (52) in the front and back direction, and It is designed to rotate synchronously around the pivot (10) together with the rotation lever (52).

(H) An engagement groove (57a) that can be aligned with the long holes (53) (54) and parallel to the straight line (L) on the substrate (8), and continuous to the front end of the engagement groove (57a); and axis (10)
A guide groove (5
7b) and an end engaging portion (57c) that is continuous with the end of the guide groove (57b) and recessed toward the pivot shaft (10). ) within
The guide pin (56) can be engaged therewith.

(2) By a tension coil spring (58) each end of which is locked to the guide pin (56) and the center of the lower edge of the board (8).

The guide pin (56) is biased rearward and downward.

(S) Thus, the guide pin (56) is connected to the cam groove (57).
When the operation lever (9) is engaged with the engagement groove (57a) of the
) and the rotation lever (52) are prevented from rotating around the pivot (10), and the key plate (36) is moved to an unlocked position (not shown) where the movement of the slide member (51) is not restricted. After that, move the operating rod (9) forward and open the long hole (
At the rear end of 53), insert the guide pin (56) into the cam groove (57).
from the rear end to the front end of the engagement groove (57a).

Next, in this state, by rotating the operating rod (9) counterclockwise in FIG. 8, the operating rod (9),
Accordingly, rotate the rotating lever (52) from the lock position to the unlock position (path shown), and release the lock pin (
5) (6) They can be immersed in synchronization with each other.

Moreover, by the opposite effect, the lock pins (5) and (6) can be brought into a protruding state.

(l) When the operating rod (9) returns to the lock position, the tip of the operating rod (9) is pressed against the four parts (59) formed on the decorative frame (11) by the biasing force of the tension coil spring (58). This ensures that the operating rod (9) does not move accidentally.

This third embodiment includes a slide member (51) integrated with the operating rod (9), long holes (53) (54), a guide pin (56), a cam groove (57), and a tension coil spring (58). ) etc., a locking device (X) is formed.

In the third embodiment, the knob (34
) There is no need to provide a knob for manual operation, and the function is provided to the operating rod (9), which has the advantage of simplifying the structure.

Note that the inner surface of the recess (59) of the decorative frame (11) with which the tip of the operating rod (9) engages when the operating rod (9) reaches the lock position is colored red. Rod (9)
It is convenient if the red colored part is exposed when the lock is removed from the recess (59) so that it can be easily determined that the locked state is released.

Furthermore, the present invention can be modified in many ways other than the embodiments described above.

〔Effect of the invention〕

As is clear from the above, according to the locking device for an opening/closing body for an automobile of the present invention, the pivot of the operating rod and the locking device are disposed approximately on a straight line connecting both lock pins, and the locking device is By moving it relative to the rod in the direction along the straight line, it can be engaged with and disengaged from the operating rod, so the entire device can be made smaller and thinner than conventional ones. , mounting is advantageous in terms of space and is meaningful because it can improve operability, that is, usability.

[Brief explanation of drawings]

FIG. 1 is a perspective view showing an example of an opening/closing body to which a locking device of the present invention is applied. 2 is an enlarged sectional view showing the main parts of the first embodiment of the present invention when cut along the line A-A in FIG. 1, and FIG. 3 is an enlarged sectional view taken along the line BB in FIG. The cross-sectional views, FIGS. 4 and 5, respectively show different operating states of the first embodiment.
3 is a sectional view similar to FIG. 3, and FIG. 6 is a sectional view similar to FIG. 2, showing a second embodiment of the present invention. FIG. 7 is a sectional view taken along line CC in FIG. 6. FIG. 8 is a sectional view showing a third embodiment of the present invention. FIG. 9 is a sectional view taken along line DD in FIG. 8, and FIG. 10 is a partially exploded perspective view of an automobile showing an example of an opening/closing body equipped with a conventional locking device. (X) Locking device m (2) Removable roof (opening/closing body) (3) Locking device (4) Vehicle body (5) (6) Lock pin (8) Board (9) Operation lever (10) Pivot (L) Straight line Figure 1 Figure 10

Claims (1)

[Claims] A pair of lock pins for engagement with the vehicle body are provided at both ends of the opening/closing body so as to be retractable, and an operating rod pivoted to the opening/closing body with a pivot is rotated through a required angle, thereby locking both the lock pins. The operating rod and each lock pin are linked to each other so that the lock pins appear and retract in synchronization with each other, and the opening/closing body is further provided with a locking device that engages with the operating rod and prevents rotation of the operating rod. In the locking device for an opening/closing body for an automobile, the pivot of the operating rod and the locking device are disposed approximately on a straight line connecting both the lock pins, and the locking device is arranged so as to be parallel to the operating rod. A locking device for an opening/closing body for an automobile, characterized in that the locking device can be engaged with and disengaged from an operating rod by relatively moving in a direction along the straight line.