JP3351309B2 - Lock device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] The present invention relates to a locking device.

[0002]

2. Description of the Related Art A lock mechanism of a type in which a lock is released by pressing a lock knob is disclosed, for example, in Japanese Utility Model Laid-Open No. 3-7054.
No. 6 discloses this. The lock mechanism is provided on a front surface of a storage case having an opening that is attached to a vehicle body side and that opens toward a vehicle interior, and a lid body that closes and opens the opening is movably provided along the shape of the periphery of the opening. And
In the locked state, the engaging bar is engaged with the striker by spring force to hold the lid in the closed position with respect to the opening of the storage case, and when the knob is pressed, the engaging bar is disengaged from the striker against the spring force. As a result, the lid is moved in the opening direction along the shape of the peripheral edge of the opening of the storage case, and stops moving at a predetermined position.

[0003]

However, in the lock mechanism having the above-mentioned structure, the lock bar is pushed in the unlocking direction because the engagement bar is urged in the direction of engagement with the striker by the spring force of the spring. If the lock knob is quickly released, the engaging bar may engage with the striker and lock again before the lid opens, and the lid may not open.

For this reason, according to the present invention, when the knob is pushed and the lock is released, the lid is opened regardless of the pushing operation of the knob, so that the knob is not re-locked even when the knob is pushed and the hand is quickly released. It is an object of the present invention to provide a locking device as described above.

[0005]

In order to achieve the above object, according to the first aspect of the present invention, when the lid is closed, the locking member is pushed by the urging means so that the locking member is pushed. It is engaged with the engagement part and is in the locked state,
When the pressing member is pressed when the lid is opened, the distal end locking member is pushed in the unlocking direction, and when the pressing member is pushed halfway through the stroke, the engagement between the locking member and the engaging member is released ( Unlock). Lid opening mechanism, pushes open the lid when the engagement between the locking member and the engagement member is released. When the engagement member is released from engagement with the lock member, the lid is pushed open to prevent re-locking with the lock member. Accordingly, even if the lock is released by pressing the pressing member at the time of opening the cover, the lock is not re-locked even if the hand is quickly released from the pressing member. be able to.

According to the second aspect of the present invention, the pressing member is provided with a pressing operation.
A return spring for applying a reaction force to the operation, wherein the pushing member of the lid opening mechanism pushes the lid in the lid opening direction by a spring member having a spring force larger than that of the return spring of the pressing member. By this, when the pressing member is pushed halfway through the stroke to release the engagement between the engaging member and the lock member, the pressing portion
The lid is pushed open against the return spring of the material . Thus, the lid can be opened while the pressing member is being pushed in the closing direction of the lid, and the lid opening operation is facilitated.

According to the third aspect of the present invention, when the pressing member is pushed and operated, the distal end is inclined or convexly curved at the distal end of the lock member.
By pressing the surface , the lock member is moved in a direction to release the engagement with the engagement member. Thus, the lock can be released by pressing the pressing member in the direction in which the lid closes.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be illustratively described in detail below with reference to the drawings. FIG. 1 is a perspective view of a storage case provided with a lock device according to an embodiment of the present invention. As a storage case to which the lock device is applied, an upper box provided on a passenger seat side of an instrument panel of a vehicle is preferable, but the scope of the invention is not limited to the storage case such as the upper box. Absent.

In FIG. 1, a storage case 1 has an opening 2
The lid 3 is attached to the lid 3 such that one side (lower side) is rotatably attached to one side (lower side) edge of the opening 2, and opens toward the near side indicated by an arrow A. , When pressed in the direction of arrow B. A lock device 4 is provided between the other side (upper side) of the lid 3 and the other side (upper side) edge of the opening 2.

FIG. 2 is a sectional view of the lock device 4 shown in FIG. 1 in a locked state, and FIG. 3 is a sectional view taken along the line III-I of FIG.
2 shows a cross-sectional view along the II direction. As shown in FIGS. 2 and 3, the lock device 4 includes an engagement member 6 and a knob 7 on the lid 3 side, and a lock member 11 and a lid opening mechanism 14 on the storage case 1 side. . The lid 3 is provided with a concave portion 5 substantially at the center of the upper edge 3a of the outer surface.
An engagement member 6 is provided at substantially the center of the rear surface of a to protrude toward the opening 2. The engaging member 6 has a hole 6b as an engaging part which is opened at both left and right sides and a bottom part 5a except for a tip part 6a.
c and 6c are provided.

The knob 7 has an operating portion 7a slightly smaller than the opening of the concave portion 5, and has a pushing portion 7b protruding substantially at the center of the rear surface. The knob 7 has an operation part 7a housed in the concave part 5, and a pushing part 7b is fitted into the hole 6b of the locking member 6 so as to be able to advance and retreat along the longitudinal direction. The pressing portion 7b is formed to have a width wider than the width of the engaging member 6 and both sides protrude to the side of the engaging member 6, so that the operating portion 7a
The length from the base to the tip 7c is substantially the same as the length of the hole 6b.

A stopper pin 8 which penetrates up and down is provided substantially at the center near the distal end of the pushing portion 7b.
6c is movably engaged in the longitudinal direction. Thereby, the knob 7 is accommodated in the concave portion 5 so as to be movable in the hole 6b of the engaging member 6 along the longitudinal direction and to be unable to deviate. Recess 5
The return springs 9 and 9 are contracted on both sides of the pushing portion 7b between the bottom 5a of the knob 7 and the back surface of the operating portion 7a of the knob 7.

The upper edge 1a of the storage case 1 is provided with a storage portion 10 corresponding to the recess 5 of the lid 3. The front wall 10a of the storage unit 10 is flush with the upper edge 1a of the storage case 1 and substantially at the center thereof when the lid 3 is closed, the pushing portion 7b of the knob 7 and the distal end portion 6a of the engagement member 6. The rear wall 10b is provided with a hole 10c through which the distal end portion 6a of the engaging member 6 passes through with a small gap. A hole 10e is provided in the front wall 10a of the storage unit 10 on one side of the hole 10c so as to face the bottom 5a of the concave portion 5.

A front wall 10a and a rear wall 10b are provided in the storage unit 10.
And a lock member 11 is housed on one side of the engagement member 6 so as to be slidable in the left-right direction in the figure so as to be orthogonal to the side of the engagement member 6. Tip 11a of lock member 11
Is an inclined surface which can be engaged with the hole 6b of the engaging member 6 from the side, and whose side surface facing the distal end 7c of the pushing portion 7b of the knob 7 is inclined from the base end toward the distal end. 11b
It has been. A protrusion 11 is provided on the base end side of the lock member 11.
c, which is locked by a stopper 10f provided on the back surface of the front wall 10a, and is restricted in the movement position (projection position) in the direction of the engagement member 6 to be locked. In the state shown in FIG. 2 in which the protruding position is regulated by the stopper 10f, the lock member 11 engages the distal end portion 11a by slightly protruding into the hole 6b of the engaging member 6 and engaging with the inclined surface 11b.
Abuts on one side corner of the distal end 7c of the pushing portion 7b of the knob 7.

The spring 12 as a spring member has one end inserted into a hole at the bottom of the lock member 11 and pressed against the bottom surface, and the other end pressed against the inner surface of the side wall of the storage portion 10. It is urged in the direction of engagement with the hole 6b of the engagement member 6 (to the right in FIG. 2). The pushing portion 7b is wider than the engaging member 6, the corner of the distal end 7c is brought into contact with the base end of the inclined surface 11b of the lock member 11, and the distal end 11a of the lock member 11 is 6b to thereby slightly rush between this engaging, and it is possible to remove the tip 11a of the lock member 11 from the hole 6b of the engaging member 6 in the middle position of the entire stroke of the knob 7 (unlocked) . By unlocking the lock member 11 and the engagement member 6 at an intermediate position of the entire stroke of the knob 7, the engagement member 6 can be moved in the opening direction of the lid 3 by the remaining stroke of the knob 7. It becomes possible.

A front wall 10a and a rear wall 10b are provided in the storage unit 10.
And the lid opening mechanism 14 is housed on the other side of the engaging member 6. The opening mechanism 14 includes a pushing member 15 for pushing the bottom 5 a of the concave portion 5 of the lid 3 in the closed state in the opening direction to push the bottom 5 a, and the pushing member 15 in the opening direction. And a spring 16 as a biasing spring member. The pushing member 15 has a convex cylindrical shape at the distal end which contacts the bottom 5a of the concave portion 5, and a stopper 15a is provided on the entire outer periphery of the base end portion. The pushing member 15 is provided with a hole 10e in the front wall 10a.
The stopper 15a abuts on the peripheral edge of the hole 10e to restrict the protrusion. Spring 16
Has one end fitted into the hole at the bottom of the push member 15 and pressed against the bottom surface thereof, and the other end pressed against the inner surface of the rear wall 10b to urge the push member 15 to project from the hole 10e. are doing. The spring force of the spring 16 is set stronger than the spring force of the return spring 9 of the knob 7.

The operation will be described below. Lid 3 shown in FIG.
When the lock mechanism 4 is closed, the bottom 5a of the recess 5 of the lid 3 is moved to the storage portion 1 of the storage case 1 as shown in FIG.
0 of the engaging member 6
a passes through the hole 10d of the rear wall 10b, the lock member 11 is pushed out by the spring 12, and the tip 11a is engaged with the hole 6b of the engagement member 6. The projecting position of the lock member 11 is restricted by the protrusion 11c being locked by the stopper 10f. The knob 7 is pushed out by the return spring 9 so that the outer surface of the operating portion 7a is flush with the outer surface of the lid 3 and the corner of the tip 7c of the pushing portion 7b is the lock member 11
Abuts on the base end of the inclined surface 11c. Pushing member 15
The tip is pressed against the bottom 5 b of the recess 5 by the spring force of the spring 16.

As shown in FIG. 4 (a), the operation unit 7 of the knob 7
is pushed in the direction of arrow B (the direction of closing the lid), the tip 7c of the pushing portion 7b is caused to fall on the inclined surface 11b of the lock member 11.
By pressing the lock member 11, the lock member 11 is pushed in the direction of arrow C against the spring force of the spring 12, and the leading end 11 a starts to come out of the hole 6 b of the engagement member 6. Then, as shown in FIG. 4 (b), when the knob 7 is pushed halfway through its full stroke, the distal end 11a of the lock member 11 completely comes out of the hole 6b of the engagement member 6 and comes off. Thereby, the engagement between the engagement member 6 and the lock member 11 is released (unlocked). In this unlocked state, the remaining stroke d of the knob 7 corresponds to the front end face 6 of the hole 6b of the engagement member 6.
The distance a between the b ′ and the tip 7c of the pushing portion 7a of the knob 7 is equal to or slightly larger than the distance a.

The pushing member 15 constantly presses the bottom 5a of the concave portion 5 in the direction in which the cover 3 opens by the spring force of the spring 16, and the spring force of the spring 16 is the spring force of the return spring 9 of the knob 7. 4B, the engagement member 6 and the lock member 1 are arranged as shown in FIG.
At the same time as the engagement with the hole 1 is released (unlocked), the hole 1
0e and the bottom 5a of the recess 5
To push the lid 3 in the direction of arrow A. The remaining stroke d of the knob 7, the front end face 6b 'of the hole 6b of the engaging member 6, and the tip 7c of the pushing portion 7a of the knob 7
Is the same length, the cover 3 can be opened by the remaining stroke d of the knob 7.

When the front end face 6b 'of the hole 6b of the engaging member 6 comes into contact with the tip 7c of the knob 7, the lid 3 is locked at that position. That is, the lid 3 is pushed open by the distance a between the front end face 6b 'of the hole 6b and the tip 7c of the knob 7, and the tip 6a of the engaging member 6 is drawn into the storage portion 10 accordingly. The hole 6b is disengaged from the distal end portion 11a of the lock member 11 and cannot be engaged. Therefore, in this state, the engagement member 6 is not locked again by the lock member 11. When the lid 3 is opened in this way irrespective of the pushing operation of the knob 7, unlocking can be surely performed.

When the user loosens the pushing force of the knob 7 when the engagement between the engaging member 6 and the lock member 11 is released, the pushing member 15 is moved as shown in FIG. Due to the spring force of the spring 16, the cover 3 is further pushed out by protruding by the remaining stroke. The knob 7 returns to the original position by the spring force of the return spring 9 when the user releases the hand from the operation unit 7a. Thus, even if the user quickly releases the knob 7 after releasing the lock, the lock member 11 is securely unlocked without engaging with the hole 6b of the engagement member 6.

After the lid 3 is opened, the locking device 4
The state shown in FIG. When the cover 3 is closed, the tip 6a of the engagement member 6 pushes the inclined surface 11b of the lock member 11 as the cover 3 is closed, and the lock release direction ( (The direction of arrow C in FIG. 4A)
Move to Also, the bottom 5a of the recess 5 is
Is pushed into the storage portion 10 against the spring force of the spring 16. Then, as shown in FIG. 2, when the lid 3 is completely closed and the bottom 5a of the concave portion 5 comes into contact with the front wall 10a of the storage section 10, the tip 6a of the engaging member 6 passes through the hole 10d. ,
The front end face 6b 'of the hole 6b is flush with the inner face of the rear wall 10b. At the same time, the lock member 11 is pushed by the spring force of the spring 12 and engages with the hole 6b to lock the engagement member 6.

In the above-described embodiment, the side surface of the distal end portion 11a of the lock member 11 which is in contact with the distal end 7c of the knob 7 is simply the inclined surface 11b. However, the present invention is not limited to this, and may be a convex curved surface. In the case of such a curved surface, the unlocking operation of the knob 7 by the pushing portion 7b at the time of opening the lid, and the pushing of the lock member 11 by the distal end portion 6a of the engaging member 6 at the time of closing the lid in the disengaging direction. Becomes smoother,
Operability is improved.

[0024]

According to the present invention, when the cover is opened, the push
When pushing the member halfway stroke is canceled engagement, by being re-lock inhibiting and is pushed open lid at the same time, the Komoto fast pressing member unlocked by pressing the pressing member when the lid opening Even if the hand is released, the lock is not locked again, the lock can be securely unlocked, and the lid opening operation can be performed quickly.

According to the second aspect of the present invention, the spring force of the pushing member for pushing and opening the lid is set to be greater than the spring force of the return spring of the pushing member , so that the pushing member is moved halfway through the stroke. When the engagement between the engaging member and the lock member is released by the pushing operation, the lid can be pushed open against the return spring of the pressing member . Thus, the lid can be opened while the pressing member is being pushed in the direction to close the lid, and the lid opening operation is facilitated.

According to the third aspect of the present invention, when the pressing member is pushed and operated, the distal end portion is inclined or convexly curved at the distal end portion of the lock member.
By releasing the engagement of the engaging member by pushing the surface, press
The lock can also be released by pressing the pressure member in the direction in which the lid closes.

[Brief description of the drawings]

FIG. 1 is a perspective view of a storage case to which a lock device according to the present invention is applied.

FIG. 2 is a sectional view taken along the line II-II in FIG.

FIG. 3 is a sectional view taken along the line III-III in FIG. 2;

FIG. 4 is an explanatory view of an unlocking operation of the lock device shown in FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Storage case 2 Opening 3 Lid 4 Locking device 6 Engaging member 7 Knob 9, 12, 16 Spring 11 Lock member 14 Lid opening mechanism 15 Pushing member

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-9-203258 (JP, A) JP-A 49-33096 (JP, U) JP-A 62-182362 (JP, U) (58) Investigation Field (Int. Cl. ⁷ , DB name) E05C 21/00 E05C 19/06

Claims (3)

(57) [Claims] A storage case having an opening, a lid for opening and closing the opening, and disengagement between the lid and the storage case when pressed.
Pressing member, an engaging member formed on the lid body side, and an engaging member formed on the storage case side and engaging with the engaging member.
A lock member that can be released and formed on one of the storage case side and the lid side,
A cover opening mechanism for urging the cover body in an opening direction, and a method in which the lock member is always engaged with the engagement member.
Biasing means for biasing in the direction , wherein the locking member is configured such that the locking member is closed when the lid is closed.
An engagement portion to be engaged, wherein the lock member is provided to the urging means when the lid is closed.
When it is engaged with the engagement portion and presses the pressing member, at least during the pressing
The engagement portion of the lock member against the urging means
And the lid is released by the lid opening mechanism.
By urging the body toward the open side, the locking member and the
A locking device characterized by displacing a position with a joint portion . 2. The pressing member according to claim 1 , wherein
It has a return spring which imparts a reaction force, the lid opening mechanism is provided to be moved in the closing direction of the lid, and the pressing member tip contacts the rear surface of the lid when closed, before Symbol It has a larger spring force than the spring force of the carriage return spring, the locking device according to claim 1, characterized in that it consists of a spring member for biasing the pressing member in the lid opening direction. Wherein said locking member has a tip abutting against the tip end of the pressing member is an inclined surface or a convex curved surface, the press
Lock device according to claim 1, characterized in that it is pushed in a direction to be disengaged from the member the engaging member with the press operation of the.