JP2551371Y2 - Locking device for console box - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a lock device for a console middle box for locking a middle box, which can be opened and closed, on the back side of the box body in an open position with a door of a box body opened upward opened. It is about.

[0002]

2. Description of the Related Art FIG. 5 shows a conventional apparatus of this kind, in which a rear end is hingedly arranged on an upper portion of a box body 1 so as to be openable and closable, and further covered by a door 2 which can be opened and closed from above. In order to lock the middle box 3 in the open position, the upper end of the arm 5 hinged at the middle position is guided to the operation button 6 via a link, and the lower end is connected to the opening peripheral edge 1a of the box body 1. A notch 5a to be engaged is formed. Then, with the door 2 opened, the inner box 3 is opened to the position indicated by the two-dot chain line, and the notch 5a is engaged with the peripheral edge 1a and locked. To unlock, press button 6 and cut out 5
a is disengaged.

[0003]

Therefore, the lock mechanism is complicated, the position of the button 6 needs to be operated when the lock is released, and it is structurally difficult to make the inner box detachable. SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a lock device for a console middle box having a simple structure in which locking and unlocking of the middle box at a predetermined open position can be easily performed by one-handed operation.

[0004]

SUMMARY OF THE INVENTION The present invention is directed to a console for locking an inner box hinged to the rear end of an upwardly opening box body and covered by a door in an open position with the door open. In the lock device for a box, in order to achieve the above-mentioned object, a locked member formed at the rear end of the middle box (3) in an arc shape from below the hinge axis of the middle box (3) to above and behind. A plate (10) is provided, and a locked plate (10) below the hinge axis in the box body (1).
The hinge plate (20) is hinged at the center thereof at a position along the arc-shaped peripheral surface (11) of the lock plate (20).
A lock groove (22) opened in the longitudinal direction is formed at both ends in the longitudinal direction, and the locked plate (10) is closer to the fully open position than the locked position of the middle box (3) and is upward from the horizontal direction. A concave portion (12) into which the rotated lock plate (20) can enter, and an arc-shaped peripheral surface (1) from behind the rear wall of the concave portion.
1), and in the process of rotating the inner box (3) from the closed position to the fully opened position, the horizontal locking plate (2).
A claw (13) engaged with the lock groove (22) on the rear side of (0) and rotationally driven so that the upper side wall (22a) of the lock groove (22) on the front side enters the recess (12); When the inner box (3) is slightly returned from the fully open position to the lock position, the upper side wall (22a) is locked by engaging with the lock groove (22) penetrating into the recess (12). (11)
And an edge portion (12a) extending from the edge to the front wall of the concave portion.

[0005]

In the closed state of the inner box (3), the lock plate (20) has an elongated shape in the horizontal direction along the arc-shaped peripheral surface (11). When the middle box (3) is opened, the claw (13) engages with the lock groove (22) located on the rear side of the lock plate (20) just before the fully open position, and when the middle box (3) is further rotated to the fully open position, the front side The upper wall (22a) of the lock groove (22) is recessed (1).
2) Let it enter. Then, in the process of returning to the lock position, the edge portion (12a) engages with the front lock groove (22) and drives the upper wall (22a) in the opening direction, that is, backward, to move the lower wall (22b) into a circle. The edge portion (12a) is brought into contact with the arc-shaped peripheral surface (11) so that the edge portion (12a) locks the lock groove (2).
In 2), the inner box (3) is locked so as to restrict the rotation in the closing direction.

To release the lock, once the middle box (3) is returned to the vicinity of the fully open position, the edge portion (12)
a) is disengaged from the lock groove (22) and the claw (1) is disengaged.
3) abuts against a wall surface (22c) below the rotation axis (21) of the lock plate (20) whose longitudinal direction has rotated upward,
The lock plate (20) is made to enter the recess (12). Thus, when the inner box (3) is closed, the edge portion (12
a) comes into contact with a wall surface (22d) located above the rotation axis (21) of the lock plate (20), and the lock plate (20)
Is driven to rotate in the opening direction of the inner box (3), and is guided to a horizontal position along the arc-shaped peripheral surface (11). As a result, the lock plate (20) rotates by 180 °, and in the next opening operation, the front and rear lock grooves (22) are switched, and the same operation is repeated.

[0007]

1 to 4 show a lock device for a console box according to an embodiment of the present invention. As shown in FIG. 4, an inner box 3 is provided on the back side of the door 2 of the box body 1 which is opened upward.
Is hinged. That is, a bracket 7 (FIG. 2) is attached to a rear portion of the box body 1, and a hinge shaft 8 is rotatably supported between two side plates 7a and 7b provided on one side in the left-right direction. ing. A hinge shaft 19a, which is oriented in the lock position direction of, for example, 63 ° with respect to the horizontal position, has flat surfaces on both sides, and is engaged with the bearing portion of the inner box 3, is fixed to the side plate 7c erected on the other side. Have been. Similarly, both sides of the hinge shaft 8 are formed as flat engagement portions 19 between both side plates 7a and 7b.

On the other hand, on one of the left and right sides of the rear end of the inner box 3, there is provided a bearing 18 having a correspondingly formed elongated groove 18a which is opened rearward so as to engage the engaging portion 19. I have. On the other side, there is provided a bearing 17 having a correspondingly formed circular groove 17a which is opened rearward so as to insert the engaging portion 19a. Thereby, the inner box 3 is 63 °
The bearings 17 and 18 are rotatable by engaging the bearings 17 and 18 with the hinge shafts 8 and 19a from the direction shown in FIG. The bearing 18 has a pin 18b
And the side plate 7a is provided with a stopper 7d.
8b is restricted by the stopper 7d so that the inner box 3 does not come off.

The hinge shaft 8 further protrudes from the side plate 7b, and has an arcuate locked plate 10 having a substantially 90 ° range rising upward from the lower side to the rear. Hinge shaft 8
Below, a rotary lock plate 20 having a longitudinal shape extending in the horizontal direction is arranged on the arc-shaped peripheral surface 11 of the locked plate 10. A rotating shaft 21 is fixed to the center thereof,
It is rotatably supported by the side plate 7b with friction.

At both ends in the longitudinal direction of the lock plate 20, a substantially right-angled triangular lock groove 2 opened in the longitudinal direction is provided.
2 are formed. The locked plate 10 has 6
A concave portion 12 into which the lock plate 20 rotated upward can enter at a position interlocked with the opening closer to the fully open position of 78.5 ° than the lock position of 5 °, and an arc-shaped periphery from behind the rear wall 12b of the concave portion. The lock plate 20 projects outward from the surface 11 and engages with the lock groove 22 on the rear side of the horizontal lock plate 20 in the process of rotating the inner box 3 to the fully open position, thereby rotating the lock plate 20 downward and forward. When the inner wall 3 is slightly returned from the fully opened position to the locked position by the claw 13 for allowing the upper side wall 22a of the front lock groove 22 to enter the recess 12 and the lock groove 22 having entered the recess 12 by the upper side wall 22a. Edge portion 12 which is engaged while being slightly rotated rearward and locked between lower wall 22b.
a are formed. 13a is a notch for escape to the lock groove 22.

Next, the operation of the hinge device thus configured will be described with reference to FIG. When opening the inner box 3 in the normal state shown in FIG. 1, the door 2 is first tilted to its fully open position as shown in FIG. Next, when the inner box 3 is opened, the claw 13 engages with the lock groove 22 located on the rear side of the lock plate 20 immediately before the fully opened position 78.5 °,
When further rotated to the fully opened position, the lower wall of the lock groove 22 on the rear side is driven forward and downward, and the upper wall 22a of the lock groove 22 on the front side enters the recess 12 (FIG. 3A). Then
In the process of returning to the lock position of 63 °, the edge portion 12a engages with the lock groove 22, rotates the lock plate 20 clockwise as viewed in the figure, and the lower side wall 22b abuts on the arc-shaped peripheral surface 11. Then, even if the user tries to rotate the inner box 3 in the closing direction, the rotation of the lower side wall 22b in the vertical 90 ° direction is restrained and the locked state is maintained (FIG. 3B). In this state, the box body 1
Can be used, and the inner box 3 can be removed.

To release the lock, the inner box 3 is once returned to 77 °, and in the process, the edge portion 12a is
2, the pawl 13 comes into contact with the wall surface 22 c located below the rotation shaft 21 of the lock plate 20 rotated upward, and the lock plate 20 enters the recess 12 (FIG. 3C). Thus, when the inner box 3 is closed, the edge portion 12a comes into contact with the wall surface 22d of the lock plate 20 to rotate the lock plate 20 clockwise (FIG. 3D), and horizontally along the arc-shaped peripheral surface 11. Guide to location (Figure 1). As a result, the symmetrical lock plate 20 rotates by 180 °, and in the next opening operation, the front and rear lock grooves 22 are switched to perform the same operation. That is, the lock plate 20 makes a half turn each time the inner box 3 is opened.

In the above-described embodiment, the rotating shaft 21 supports the lock plate 20 symmetrically on both sides, so that
Even without friction, the lock plate 20 stops at the control position and performs the intended operation. However, with friction, the rock plate 20 is prevented from swinging, and the operation feeling is improved.

[0014]

As described above, according to the present invention, the middle box can be locked and unlocked to the open position by simple one-handed operation without button operation. In addition, since a simple lock mechanism can be arranged around the rotation axis, the required space can be reduced,
Costs are also lower. Since the lock mechanism is separated into the inner box side and the box body side, the inner box can be easily detached.

[Brief description of the drawings]

FIG. 1 is a sectional view of a main part of a lock device for a console middle box according to an embodiment of the present invention.

FIG. 2 is a perspective view of the hinge device.

FIG. 3 is a diagram illustrating the operation of the hinge device.

FIG. 4 is a sectional view of a main part of a console provided with the hinge device.

FIG. 5 is a cross-sectional view illustrating a conventional console box locking device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Box main body 3 Middle box 8, 19a Hinge shaft 10 Locked plate 11 Arc-shaped peripheral surface 12 Depression 12a Edge 13 Claw 17, 18 Bearing 20 Lock plate 21 Rotary shaft 22 Lock groove

Claims (1)

(57) [Scope of request for utility model registration] 1. A lock device for a console middle box, which locks a middle box hinged to a rear end of a box body opened upward and covered with a door to an open position when the door is open, A locked plate formed in an arc shape from below the hinge axis of the inner box toward the rear upper side at the rear end portion, and the arc-shaped periphery of the locked plate below the hinge axis in the box body. At a position along the surface, a longitudinal lock plate is hinged at a central portion, and lock grooves that are respectively opened in the longitudinal direction are formed at both ends in the longitudinal direction of the lock plate. A concave portion into which the lock plate rotated upward from the horizontal direction can enter, closer to the fully open position than the lock position, and projecting outward from the arc-shaped peripheral surface from behind the rear wall of the concave portion, and The closed position A claw that engages with the lock groove on the rear side of the lock plate in the horizontal direction during the process of rotating the lock plate to the full open position, and is driven to rotate so that the upper side wall of the lock groove on the front side enters the recess. When the inner box is slightly returned from the fully open position to the lock position, the upper side wall is locked by being engaged with the lock groove that has entered the concave portion. A lock device for a console middle box, wherein an edge portion leading to a front wall is formed.