JP2559400Y2 - Lid locking device - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement of a key-operated locking device used for a lid for opening and closing various boxes such as an automobile glove box.

[0002]

2. Description of the Related Art As a conventional lock device of this kind, for example, Japanese Utility Model Laid-Open Publication No. 63-78670 and Japanese Utility Model Laid-Open Publication No.
No. 571 exists. Although the conventional locking device has some structural differences, it basically includes a frame with a cylinder lock fixed to the lid of the glove box, and pivots an opening / closing knob on the front side of the frame. A storage part is provided for supporting the striker provided on the box side on the rear side of the frame, and a lock member for opening and closing the opening of the storage part is provided so as to be vertically movable or rotatable. A connection hole is opened at one end of the lever, an eccentric shaft provided at the rear end of the cylinder lock is loosely fitted in the connection hole, and the operation lever is interlocked with the rotation of the cylinder lock, The other end of the operating lever can be moved to a position where it does not interfere with a pressing claw provided on the back surface of the opening / closing knob.

In actual use, the cylinder lock is rotated in the unlocking direction by key operation to move the other end of the operating lever to a position where it can interfere with the pressing claw of the opening / closing knob. When the opening / closing knob is pulled up and the other end of the operating lever is pressed downward by the pressing claw portion of the knob, the locking member opens the opening of the storage portion by the pressing of the other end of the operating lever. In this direction, and the locked state of the striker in the storage section is automatically released, so that the opening of the lid is ensured. Also, when the cylinder lock is rotated in the locking direction, the other end of the operating lever moves to a position that does not interfere with the pressing claw portion of the opening / closing knob, so in this state, no matter how much the opening / closing knob is pulled up, Since the other end of the operating lever is not pressed downward,
The closed and locked state of the lid is guaranteed.

[0004]

The present invention is to provide a However, in the conventional locking device斯Ru, you ensure that locking and unlocking state
Since none configured to loosely fitted to the eccentric shaft of the cylinder lock just through the connecting hole one end of the work movement lever, in order to prevent falling off of one end of the actuating lever, such as a so-called push-on fixes A device must be devised to support one end of the actuating lever on the cylinder lock side by using a drop-off prevention component. For this reason, under the conventional locking device, not only the work of assembling the work dynamic lever is very,
And that the number of parts also have naturally increased to cause problems
Become.

Further, in the conventional lock device, the operation lever is moved in the locking direction and the unlocking direction by rotation of the cylinder lock accompanying the key operation. Since the operating lever is merely linked in each direction via the shaft, it is difficult to confirm the locked state and the unlocked state without any sense of moderation at the time of key operation. In addition, even when the cylinder lock is assembled on the holding portion side of the frame, one end of the operating lever cannot be positioned, so that the operating lever is inadvertently moved, and the connecting hole at the one end is not connected to the connecting hole. There is also a problem that the operation of fitting the cylinder lock into the holding portion of the frame while aligning the eccentric shaft of the cylinder lock becomes difficult. Therefore, apart from these conventional lock devices,
A lock device disclosed in Japanese Utility Model Laid-Open No. 63-198769 is also provided.
Is being planned. The locking device is a frame cylinder.
Push the opening / closing knob against the holding section where the lock is rotatably fitted.
A rotation that rotates between a position where it interferes with the pressure pawl and a position where it does not interfere
Supports a dynamic actuation lever and attaches it to the base of the actuation lever.
While the elastic claws are provided,
Set up a key and rotate the cylinder lock with key operation.
When rotating the operating lever in the locking direction and the unlocking direction
Is made to move over the projection with its elastic claws,
It is configured to give a sense of degree. Therefore, such another lock
Under the device, theoretically, the power of the elastic nail against the protrusion is
When operating the keys, the moderation
It is possible to confirm the locked state and the unlocked state of. I
However, the locking device uses an operating lever to hold the frame.
The pivot position of the operating lever is simply supported by the
Since there is no guide means to maintain
When the operating lever is rotated by the rotation of the cylinder lock
Always rotate the operating lever with a stable posture.
Not necessarily moved. Therefore, the operation lever is stable
If the rotation cannot be guaranteed, the elastic claw provided
Locked state and unlocked state
Possibility to lose clear moderation to confirm status
There was enough.

[0006]

DISCLOSURE OF THE INVENTION The present invention relates to such a conventional type.
Developed to effectively solve the problems of various lock devices, this is a cylindrical shape that rotatably fits a cylinder lock.
A frame having a holding portion, one end of the cylinder lock
The locking device of the lid and a work <br/> kinematic lever in eccentric shaft provided at a rear end Ru connected via the connecting hole assumption,
Formed integrally with the resilient locking pieces to one end side of the operation moving lever, while providing the protrusions in the middle extending direction of the elastic locking pieces, the upper and lower rear end edge of the tubular holding portion of the frame Guy
And a stopper wall having a switching sliding surface on one of the guide walls to define a space between the stopper wall and the rear end of the cylinder lock.
Formed with the state of formation, the inside of the stopper wall and the sheet
The elastic locking piece is locked in the space defined between the rear ends of the Linda locks, and the protrusion of the elastic locking piece is moved on the switching sliding surface of the stopper wall.

[0007]

According to the present invention , one end of the operating lever is provided.
Between the upper and lower guide walls extending from the cylindrical holding part.
When pushed, an elastic engagement formed at one end of the operating lever
A stop is defined between the inside of the stopper wall and the rear end of the cylinder lock.
Elastically locked in the space made, so that one end of the operating lever is securely supported on the cylinder lock side,
It is possible to attach one end of the operating lever to the cylinder lock side with one touch without using any drop-off preventing parts as in the related art. Further, according to the rotation of the cylinder lock with a key operation, in the case of moving the actuating lever in the locking direction or the unlocking direction via the eccentric shaft, the projection portion provided in the upper Symbol elastic locking pieces, stopper since the be moved over the upper switching the sliding surface of the wall, when overcoming the斯Ru switching sliding surface, but so that the nodes of feeling is obtained, in this case
In this case, one end of the operating lever is
Guide action, and the stopper wall and cylinder lock
Operation, the stable movement posture is maintained.
Therefore, the protrusion of the elastic locking piece comes off the stopper wall.
Always switch stopper walls without tilting or tilting
It is ensured that the vehicle can get over the sliding surface without fail.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to an embodiment shown in the drawings. The lock device according to the embodiment is also developed as a lock device for a lid provided in an automobile glove box. As shown in FIG. 1, a typical structure includes a synthetic resin frame 1 fixed to a lid (not shown), and a cylindrical holding portion 2 also serving as a lock case is integrated on one side of the frame 1. And a cylinder lock 3 is rotatably fitted in the cylindrical holding portion 2 while the frame 1 is
A lid opening / closing knob 4 is rotatably supported on the front side of the
A U-shaped storage section 1a for storing a striker 17 provided on a glove box (not shown) side is formed on the rear side of the frame 1 and a guide wall section 1b is formed below the storage section 1a. The storage unit 1 is provided in the guide wall 1b.
The lock member 5 that opens and closes the opening a is vertically movably supported, and the lock member 5 is constantly urged by the spring pressure of the coil spring 6 in a direction to close the opening of the storage portion 1a.

In this embodiment, on the premise of such a basic structure, the operating lever 7 is also integrally formed of a synthetic resin material, and is formed substantially at the center of one end 7a of the synthetic resin operating lever 7. In addition, a connecting hole 8 for loosely fitting an eccentric shaft 3a provided at the rear end of the cylinder lock 3 is opened, and an elastic locking piece 10 is integrated with a lower portion of the one end 7a through a horizontal L-shaped slit 9. And a pin-shaped projection 11 is provided in the middle of the side surface of the elastic locking piece 10 in the extension direction.
The other end 7b of the lock member 5 can be engaged with the protruding pin 5a of the lock member 5, and at the same time, can be interfered with the pressing claw 4a protruding from the back side of the opening / closing knob 4. A configuration is employed in which a concave relief portion 7c that can avoid interference with the pressing claw portion 4a of the opening / closing knob 4 is formed closer to the center than 7b. However, the formation position of the protrusion 11 is not limited to the side surface of the elastic locking piece 10,
It is also possible to form a convex shape at an appropriate position on the lower surface side of the elastic locking piece 10 according to the embodiment.

In addition, in this embodiment, as shown in the drawing, upper and lower guide walls 12 and 13 are integrally provided at upper and lower portions of a rear end edge of the cylindrical holding portion 2 into which the cylinder lock 3 is fitted. One end 7a of the operating lever 7 is movably pushed between the upper and lower guide walls 12 and 13, and a stopper wall 14 having a mountain-shaped switching sliding surface 15 at a tip end of the lower guide wall 13 is provided. A space is defined between the rear end of the cylinder lock 3
The stopper wall 14
The elastic locking piece 10 of the operating lever 7 is elastically locked in a space defined between the inside of the cylinder lock 3 and the rear end of the cylinder lock 3 ,
A configuration is employed in which the projection 11 of the elastic locking piece 10 is switched on the switching sliding surface 15 of the stopper wall 14.

Therefore, in the lock device of the present embodiment, the coil spring 6 and the lock member 5 are supported in the guide wall portion 1b of the frame 1, and the other end portion 7 of the operating lever 7 is provided.
The notch 16 formed on the side of the guide wall 1b on the side b
And the other end 7b is inserted into the protruding pin 5 of the lock member 5.
a between the upper and lower guide walls 12 and 13 of the holding portion 2 while the eccentric shaft 3a is loosely fitted into the connection hole 8 formed in the one end portion 7a of the operation lever 7 after obtaining the state of being engaged from above. When the one end 7a of the lever 7 is pushed in, the elastic locking piece 10 of the one end 7a is bent inward through the slit 9 and rides over the stopper wall 14, so that the inside of the stopper wall 14 and the cylinder lock 3 Since the elastic locking is automatically performed in the space defined between the ends, the one end 7a of the operating lever 7 is securely supported by the cylinder lock 3 and the holding portion 2 side. Therefore, in the present embodiment, as shown in FIG. 2, the operating lever 7 is securely mounted on the frame 1 side only by performing a one-touch push-in operation without using any drop-off preventing parts as in the prior art. It becomes possible.

In actual use, the cylinder lock 3 is rotated in the unlocking direction by a key operation, and the lock device is unlocked, as shown in FIG.
In conjunction with the rotation of, the operating lever 7 moves leftward in the figure, and the other end 7b of the operating lever 7 moves below the pressing claw 4a of the opening / closing knob 4, so that Figure 3
When the opening / closing knob 4 is pulled up from the state shown in FIG. 4 to the state shown in FIG. 4, and the pressing claw 4a of the knob 4 presses the other end 7b side of the operating lever 7 downward, the pressing of the other end 7b is performed. In conjunction with this, the lock member 5 descends against the spring pressure of the coil spring 6 to release the locked state of the striker 17 in the storage portion 1a, so that the opening of the lid is ensured. Becomes When closing the lid in such an unlocked state, when the lid is moved in the closing direction, the striker 17 lowers the lock member 5 and enters the storage portion 1a from the opened opening. Then, as shown in FIG. 3, the striker 17 is locked in the storage portion 1a again, so that the closed state of the lid can be easily obtained.

In order to lock the lock device, the cylinder lock 3 is moved in the opposite locking direction by a key operation, and as shown in FIG. The lever 7 moves to the right in the drawing, and this time, the escape portion 7c of the operating lever 7 moves to the pressing claw portion 4 of the opening / closing knob 4.
In this state, no matter how much the opening / closing knob 4 is pulled, the operating lever 7 cannot be pressed downward, and the locked state of the lock device is thereby ensured. The lid is never opened.

However, in this embodiment, as described above, when the operating lever 7 is moved in the left-right direction via the eccentric shaft 3a with the rotation of the cylinder lock 3, FIGS. as shown in, always, moth by the upper and lower guide walls 12 and 13
Of the cylinder lock 3 and the stopper wall 14
With the guide action by the inside, one end 7
Because a moves with a stable posture,
The Le, the projection 11 of the elastic latching pieces 10, the stopper
It can be ensured that the stopper wall 14 moves over the mountain-shaped switching sliding surface 15 without falling off or tilting . Therefore, the operating lever described above
Due to the maintenance of the posture of the one end 7a side of the
When climbing over the mountain shape switching sliding surface 15, always clear
Since a sense of moderation can be obtained, the feeling of key operation is improved, and it is easy to confirm the locked state and the unlocked state . In addition, the protrusion 11 is
What is provided in the middle is an unlocked state even in the locked state
Even in the state, the elastic locking piece 10 is connected to the stopper wall 14 and the lower guide.
Since it is in contact with the wall 13, the protrusion 1
Reliable overcoming of the switching sliding surface 15 of 1 is further promoted.
it can. The configuration in which the projections 11 of the elastic locking pieces 10 are alternately positioned on both sides of the switching sliding surface 15 of the stopper wall 14 is used when the cylinder lock 3 is fitted in the holding portion 2 of the frame 1. Also, since it is possible to position the one end 7a of the operating lever 7 using the sliding surface 15 of the stopper wall 14, unlike the related art, the connecting hole 8 of the one end 7a and the cylinder lock 3 The work of aligning the eccentric shaft 3a becomes easy, which is very suitable also when the cylinder lock 3 is fitted on the frame 1 side.

[0015]

As described above, according to the present invention, when the elastic locking piece formed at one end of the operating lever is forcibly pressed against the cylinder lock side while being bent inward by adopting the above structure, the present invention is applied. The elastic locking piece is inside the stopper wall and the cylinder
The locking lever is automatically locked in the space defined between the rear ends of the lock , and one end of the operating lever is securely supported on the cylinder lock side. One end of the actuating lever can be attached to the cylinder lock with one touch without any use. When the operating lever is moved in the locking direction or the unlocking direction via the eccentric shaft according to the rotation of the cylinder lock due to the key operation,
Guide action by the upper and lower guide walls, cylinder lock and stopper
With the guiding action of the par wall, one end of the operating lever
It is possible to always move with a stable movement posture
Runode, thereby, is projecting portion provided on the resilient locking piece can guarantee be moved securely over the upper switching the sliding surface of the stopper wall. Therefore, under the present invention,
Due to the stable movement of one end of the moving lever,
A clear sense of moderation will be obtained. Moreover, the protrusions
Being provided in the middle of the elastic locking piece,
In both the unlocked state and the unlocked state, the elastic locking piece
Because it is in contact with the corresponding guide wall,
Reliable climb over the switching sliding surface of the projection is further promoted
it can.

Further, in the present invention, the operation of the switching sliding surface of the stopper wall makes it possible to position one end of the operating lever even at the time of assembling. The work of aligning the eccentric axis of the cylinder lock with the connection hole of the section becomes easy, and it is extremely convenient when the cylinder lock is assembled on the frame side.

[Brief description of the drawings]

FIG. 1 is a perspective view of a lid locking device according to an embodiment of the present invention, partially exploded and viewed from the rear side.

FIG. 2 is a perspective view showing an entire assembled state of the lock device.

FIG. 3 is a sectional view showing an assembled state of the lock device.

FIG. 4 is a cross-sectional view showing a state where an opening / closing knob is pulled up.

FIG. 5 is a rear view showing an unlocked state of the lock device.

FIG. 6 is a rear view showing a locked state of the lock device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Frame 2 Holding part of cylinder lock 3 Cylinder lock 3a Eccentric shaft 4 Opening / closing knob 4a Pressing claw part 5 Lock member 7 Operating lever 7a One end of operating lever 7b Other end of operating lever 8 Connecting hole 10 Elastic locking piece 11 Projection 14 Stopper wall 15 Switching sliding surface 17 Striker

Claims (1)

(57) [Scope of request for utility model registration] A cylindrical holder for rotatably fitting a cylinder lock.
A frame having a lifting unit, after one end of the cylinder lock
The lock device of the lid with an actuating lever on an eccentric shaft provided at an end Ru connected via the connecting hole, the elastic latching pieces to one end side of the operation <br/> kinematic lever integrally formed A projection is provided in the middle of the elastic locking piece in the extending direction , and the upper and lower guide walls extend to the rear end side of the cylindrical holding portion of the frame.
And a stopper wall having a switching sliding surface on one of the guide walls defines a space between the stopper wall and the rear end of the cylinder lock.
And formed with a condition, inside a cylinder lock of the stopper wall
The elastic locking piece is locked in a space defined between the rear ends, and the protrusion of the elastic locking piece is moved on the switching sliding surface of the stopper wall. Lid locking device to do.