JP5307046B2 - Lock device, storage box - Google Patents

Description

  The present invention relates to a locking device and a storage box provided with the locking device.

  The lock device described in Patent Literature 1 is provided with a spring that pushes off the lid provided with the locking member after unlocking the locking member and the locking member in the locked state. In other words, the lock member and the locking member are prevented from being re-locked by pushing the lid open with this spring.

Japanese Patent Laid-Open No. 11-81780

  However, according to the conventional configuration, the spring is used to prevent re-locking, so that the structure is expensive.

  An object of the present invention is to prevent relocking with an inexpensive structure.

  According to a first aspect of the present invention, there is provided a locking device comprising: an operating member rotatably attached to a free end side of a lid supported to be openable and closable on a main body; and an urging force so that the operating member assumes a steady posture A biasing member that imparts to the operating member, a stop member that protrudes in a radial direction from a shaft portion of the operating member, and a body that is provided when the operating member is rotated to open the lid. Lock means for allowing the stop member to be released from the locked state and preventing the stop member from shifting to the locked state by contacting the stop member released from the locked state. It is characterized by that.

  According to the above configuration, the biasing member applies a biasing force to the operation member so that the operation member rotatably attached to the free end portion side of the lid assumes a steady posture. The lock means provided in the main body releases the stop member from the locked state when the operating member is rotated to open the lid. Then, the lock means abuts against the stop member released from the locked state and prevents the stop member from shifting to the locked state.

  In this way, the stop member released from the locked state and the locking means are brought into contact with each other, so that the stop member is prevented from shifting to the locked state. Relocking (relocking) can be prevented.

  According to Claim 2 of the present invention, in the lock device according to Claim 1, the main body is provided with an opening means for pushing up the free end portion of the lid by a spring force.

  According to the said structure, the opening means provided in the main body pushes up the free end part of a lid | cover with a spring force. That is, when the operating member is rotated to bring the stopping member and the locking means into the non-locking state, the opening means pushes up the lid with a spring force.

  Thus, since the lid is pushed up by the spring force of the opening means, it can be visually observed that the stop member and the lock means are in the non-locking state.

  A locking device according to a third aspect of the present invention is the locking device according to the first or second aspect, wherein the operation member is configured by a plate that is housed in an opening formed in the lid, and resists the urging force of the urging member. The plate is provided with a stationary portion for stationary the plate in a steady posture of the plate along the surface of the lid.

  According to the said structure, a stationary part opposes the urging | biasing force of an urging | biasing member, and a plate surface stops a plate in the steady attitude | position of a plate in alignment with the surface of a lid | cover. In this way, the stationary part can improve the appearance performance by stopping the plate in the steady posture of the plate.

  A lock device according to a fourth aspect of the present invention is the lock device according to any one of the first to third aspects, wherein the lock means includes a lock body having one end portion swingably supported by the main body, and a lock body of the lock body. A locking portion that protrudes from the other end and locks the hook formed at the tip of the locking member, and biases the lock body to a position where the locking portion locks the hook. A spring member, and a stopper portion that stops the lock body at a position where the locking portion locks the hook portion against the urging force of the spring member, and hits the hook portion in the locked state The contact surface of the locking portion is an inclined surface that prevents the engagement between the hook portion and the locking portion from being released by changing the force pressed by the hook portion to the swinging force of the lock body. Or it is set as a curved surface.

  According to the said structure, the latching | locking part protruded from the other end part of the lock body by which the one end part was supported by the main body so that rocking | fluctuation latches the hook part formed in the front-end | tip part of a stop member. The spring member biases the lock body to a position where the locking portion locks the hook portion, and the stopper portion opposes the biasing force of the spring member at a position where the locking portion locks the hook portion. Stop the lock body.

  Further, when the contact surface of the locking portion that is inclined or curved is pressed by the hook portion that is locked in an attempt to open the lid, the pressed force is changed to the swinging force of the lock body to change the hook portion. And the engagement with the locking portion is prevented from being released.

  In this way, the inclined contact surface or the curved contact surface prevents the engagement between the hook portion and the locking portion from being released, so that the locking state between the hook portion and the locking portion is ensured. Maintained.

  According to a fifth aspect of the present invention, in any one of the first to fourth aspects, the outer surface of the operation member and the outer surface of the lid are provided on the same plane.

  According to the said structure, since the outer surface of an operation member and the outer surface of a lid | cover are provided on the same surface, external appearance performance can be improved.

  A storage box according to a sixth aspect of the present invention includes the lock device according to any one of the first to fifth aspects.

  According to the said structure, the storage box is equipped with the locking device as described in any one of Claims 1-5. Thereby, when the lid is opened from the main body, the lock device can be prevented from being re-locked.

  According to the present invention, it is possible to prevent the lock device from being re-locked with an inexpensive structure.

It is the perspective view which showed the locking device which concerns on embodiment of this invention. It is the perspective view which showed the locking device which concerns on embodiment of this invention. It is the perspective view which showed the locking device which concerns on embodiment of this invention. It is the perspective view which showed the locking device which concerns on embodiment of this invention. It is the perspective view which showed the locking device which concerns on embodiment of this invention. It is the perspective view which showed the locking device which concerns on embodiment of this invention. It is sectional drawing which showed the locking device which concerns on embodiment of this invention. It is sectional drawing which showed the locking device which concerns on embodiment of this invention. It is sectional drawing which showed the locking device which concerns on embodiment of this invention. It is the perspective view which showed the storage box which concerns on embodiment of this invention. It is the perspective view which showed the storage box which concerns on embodiment of this invention. It is the perspective view which showed the storage box which concerns on embodiment of this invention. It is the perspective view which showed the storage box which concerns on embodiment of this invention.

  An example of a locking device and a storage box according to an embodiment of the present invention will be described with reference to FIGS. In addition, UP shown in a figure shows the vertical direction upper direction.

(overall structure)
As shown in FIGS. 10 and 11, the storage box 10 according to the present embodiment includes a box-shaped main body 12 including an opening 12 </ b> A that is open to the outside, and a plate-shaped lid 14 that opens and closes the opening 12 </ b> A. ing.

  Specifically, one end side of the lid 14 is pivotally supported by the shaft member 16 so that the opening 12A of the main body 12 can be opened and closed, and a locking device is provided on the free end side (the other end side) of the lid 14. 24 and a rectangular plate 18 rotatably attached to the lid 14 is provided. The plate 18 is housed in an opening 20 formed in the lid 14, and includes a rotation shaft 18 </ b> A (see FIG. 1) that is rotatably supported by the lid 14.

(Main part configuration)
1 shows a view of the storage box 10 as viewed from below (in the direction of arrow A shown in FIG. 11). As shown in FIG. 1, the rotating shaft 18 </ b> A of the plate 18 is a biasing member that applies a biasing force to the plate 18 so that the surface of the plate 18 is in a steady posture of the plate 18 along the surface of the lid 14. The torsion coil spring 22 is provided.

  As shown in FIG. 8, the surface of the plate 18 faces the free end of the plate 18 (the end on the side where the rotation shaft 18 </ b> A is not provided) against the biasing force of the coil spring 22. A flat stationary portion 26 is provided for stationary the plate 18 in a steady posture of the plate 18 along the surface. In other words, the stationary portion 26 abuts against the back surface of the lid 14, so that the plate 18 urged by the urging force of the coil spring 22 stops in a steady posture and rotates in a direction in which the plate 18 projects from the lid 14. It does not move.

  As shown in FIG. 1, a stop member 30 that protrudes in the radial direction from the rotation shaft 18 </ b> A of the plate 18 is formed integrally with the plate 18. A pair of hook portions 36 that engage with the locking means 34 fixed to the main body 12 are formed at the distal end portion of the stop member 30 so as to protrude in the axial direction of the rotating shaft 18A (hereinafter simply referred to as the axial direction). ing.

  A pair of lock means 34 for locking the hook portion 36 formed on the stop member 30 are arranged side by side in the axial direction, and one end portion is rotatably supported by the box-shaped case 40 by the shaft member 38. The lock body 42 is provided. The lock means 34 is fixed to the main body 12 by fixing the case 40 to the main body 12.

  In addition, a locking portion 44 that locks the hook portion 36 formed at the distal end portion of the stopper member 30 protrudes from the other end portion of the pair of lock bodies 42 so as to face each other. With this configuration, the pair of lock bodies 42 swing around the shaft member 38 so that the locking portion 44 formed at the tip portion approaches or separates.

  Further, the pair of lock bodies 42 is provided with a plate-like plate portion 48 provided with a circular hole 48A so as to face each other.

  A pair of plate portions 48 provided opposite to each other are connected, and both ends of the compression coil spring 50 as a spring member that urges the pair of locking portions 44 to approach each other are locked in the circular holes 48A. ing.

In addition, a stopper portion 54 that stops the lock body 42 at a position where the locking portion 44 locks the hook portion 36 against the urging force of the compression coil spring 50 is provided between the pair of opposing lock bodies 42. ing.

  Further, the contact surface 44A of the locking portion 44 that contacts the hook portion 36 in the locked state changes the force pushed by the hook portion 36 in the locked state to the swinging force of the lock body 42 to lock the hook portion 36. The inclined surface prevents the engagement with the portion 44 from being released.

  With this configuration, when the hook portion 36 and the locking portion 44 are in the locked state, if the plate 18 is twisted and rotated against the urging force of the coil spring 22, the stop member 30 is rotated by the rotating shaft 18A. The hook portion 36 and the locking portion 44 projecting from the stop member 30 are in an unlocked state (see FIG. 2).

  As shown in FIG. 2, the shape of the locking portion 44 is such that the hook portion 36 contacts the hook portion 36 released from the locking state in order to prevent the hook portion 36 from shifting to the locking state. It has been decided.

  On the other hand, the pressing surface 44B opposite to the contact surface 44A in the locking portion 44 changes the force pressed by the hook portion 36 into the swinging force of the lock body 42 when closing the opened lid 14. Thus, the pair of locking portions 44 are inclined surfaces that separate each other.

  With this configuration, when the opened lid 14 is closed, the hook portion 36 presses the pressing surface 44B of the locking portion 44 (see FIGS. 5 and 6), and the lock body 42 swings to lock the locking portion 44. Separate from each other. When the hook portion 36 gets over the locking portion 44, the hook portion 36 and the locking portion 44 are locked by the urging force of the compression coil spring 50 (see FIG. 1).

  Further, the main body 12 is provided with a push-up member 60 as an opening means for pushing up the free end portion of the lid 14 with a spring force.

  Specifically, the push-up member 60 has a box-like contact portion 62 that contacts a projection 68 protruding from the back surface of the lid 14, a tip portion that contacts the contact portion 62, and a base end portion that is supported by the main body 12. The compression coil spring 64 is provided.

  With this configuration, when the plate 18 is rotated so that the hook portion 36 and the locking portion 44 are not locked, the lid 14 is pushed up by the spring force of the compression coil spring provided in the push-up member 60. It has become.

(Action / Effect)
Next, an operation for opening and closing the lid 14 of the storage box 10 will be described.

  When the lid 14 in the open state is closed, as shown in FIGS. 7 and 10, the user grasps the lid 14 in the open state and holds the lid 14 around the shaft member 16 in the arrow B direction. Turn to. When the lid 14 is rotated, as shown in FIGS. 4 and 5, the hook portion 36 provided on the stopper member 30 presses the pressing surface 44 </ b> B of the locking portion 44.

  As shown in FIG. 6, when the hook portion 36 presses the pressing surface 44 </ b> B of the locking portion 44, the lock body 42 swings so that the pair of locking portions 44 are separated from each other. As shown in FIGS. 1 and 8, when the hook portion 36 passes over the locking portion 44, the lock body 42 is returned to the base position by the urging force of the compression coil spring 50, and the hook portion 36 is engaged. The stopper 44 is in a locked state.

  At the same time that the hook portion 36 presses the pressing surface 44B of the locking portion 44, the protrusion 68 provided on the lid 14 presses the contact portion 62 of the push-up member 60 and compresses the compression coil spring 64. That is, the opening 12 </ b> A of the main body 12 is closed by the lid 14 in a state where the compression coil spring 64 is compressed.

  Next, in order to open the lid 14 in the closed state, as shown in FIGS. 9 and 12, the user moves the plate 18 that is biased to a steady state by the biasing force of the torsion coil spring 22. The plate 18 is pressed to rotate around the shaft member 18A.

  As shown in FIG. 2, when the plate 18 is rotated, the stop member 30 is rotated about the rotation shaft 18 </ b> A, and at the same time, the hook portion 36 formed at the tip of the stop member 30 is also rotated. . When the hook portion 36 is rotated, the hook portion 36 and the locking portion 44 are brought into a non-locking state. And the latching | locking part 44 contact | abuts with the hook part 36 released | released from the latching state, and it is prevented that the hook part 36 transfers to a latching state (it relocks).

  Further, as shown in FIGS. 3 and 13, the contact portion 62 presses the projection 68 by the spring force of the compression coil spring 64 provided in the push-up member 60, and the lid 14 is pushed up. Further, when the hook portion 36 separates the locking portion 44, the plate 18 returns to the normal posture by the urging force of the torsion coil spring 22.

  As described above, the hook portion 36 released from the locked state and the locking portion 44 are brought into contact with each other, thereby preventing the hook portion 36 from shifting to the locked state. For this reason, it is possible to prevent the hook portion 36 and the locking portion 44 from being relocked (relocked) with an inexpensive structure.

  Further, when the hook portion 36 is released from the locked state, the lid 14 is pushed up by the spring force of the compression coil spring 64 provided in the push-up member 60, so that the hook portion 36 and the locking portion 44 are not easily separated. The locked state can be visually observed.

  Further, by bringing the stationary portion 26 into contact with the back surface of the lid 14, the plate 18 is stationary in the steady posture of the plate 18 where the surface of the plate 18 is along the surface of the lid 14. Thereby, appearance performance can be improved.

  In addition, the contact surface 44A of the locking portion 44 that contacts the hook portion 36 in the locked state changes the force pressed by the hook portion 36 in the locked state to the swinging force of the lock body 42 to lock the hook portion 36. The inclined surface prevents the engagement with the portion 44 from being released. Thus, since the engagement between the hook portion 36 and the locking portion 44 is prevented from being released, the locked state between the hook portion and the locking portion can be reliably maintained.

  Moreover, the appearance performance can be improved by installing the plate 18 on the lid 14 and making the outer surface of the plate 18 and the outer surface of the lid 14 flush with each other.

  Further, since the overstroke unlike the push-push mechanism is not necessary, the gap between the lid 14 and the main body 12 can be reduced.

  Although the present invention has been described in detail with respect to specific embodiments, the present invention is not limited to such embodiments, and various other embodiments are possible within the scope of the present invention. It is clear to the contractor. For example, in the above-described embodiment, the direction of the arrow UP shown in the drawing is the vertical upper direction, but the other direction may be the vertical upper direction.

  In the above embodiment, the contact surface 44A of the locking portion 44 is an inclined surface, so that the force pushed by the hook portion 36 in the locked state is changed to the swinging force of the lock body 42 and the hook portion 36 and Although it is configured to prevent the engagement with the locking portion 44 from being released, the engagement between the hook portion 36 and the locking portion 44 is released as, for example, a curved surface without being limited to an inclined surface. May be prevented.

  In the above embodiment, the hook portion 36 released from the locked state and the hook portion 36 and the locking portion 44 are brought into contact with each other so that the hook portion 36 is prevented from shifting to the locked state. Although the shape of the stop portion 44 has been determined, the shape of the hook portion 36 is not limited to the shape of the locking portion 44 in particular, thereby preventing the hook portion 36 from shifting to the locked state. May be. Further, after the hook portion 36 is opened using the spring force of the compression coil spring 50, the hook portion 36 released from the locked state by moving the pair of locking portions 32 by a predetermined distance so as to be close to each other. And the locking portion 44 may be brought into contact with each other.

10 Storage Box 12 Body 14 Lid 18 Plate (Operating Member)
18A Rotating shaft 20 Opening 22 Torsion coil spring (biasing member)
24 Locking device 26 Stationary part 30 Stopping member 34 Locking means 36 Hook part 42 Locking body 44 Locking part 44A Abutting surface 50 Compression coil spring (spring member)
54 Stopper part 60 Push-up member (opening means)

Claims (6)

An operation member rotatably attached to the free end side of the lid supported to be openable and closable on the main body;
A biasing member that applies a biasing force to the operation member such that the operation member assumes a steady posture;
A stop member protruding in a radial direction from the shaft portion of the operation member;
The stopper is provided on the main body and allows the stopper to be released from the locked state when the operating member is rotated to open the lid, and the stopper is released from the locked state. Lock means for contacting and preventing the stop member from shifting to a locked state;
Having a locking device.   The locking device according to claim 1, wherein the main body is provided with an opening means for pushing up a free end portion of the lid by a spring force.   The operation member is composed of a plate that fits in an opening formed in the lid, and the plate surface is in a steady posture of the plate along the surface of the lid against the biasing force of the biasing member. The locking device according to claim 1, further comprising a stationary portion that causes the stationary portion to be stationary. The lock means is configured to lock a lock body supported at one end of the main body so as to be swingable, and a hook portion formed at the other end of the lock body and formed at the tip of the stop member. An engaging portion; a spring member that urges the lock body to a position where the engaging portion engages the hook portion; and the engaging portion engages the hook portion against the urging force of the spring member. A stopper portion for stopping the lock body at a stop position;
The contact surface of the locking portion that contacts the hook portion in the locked state changes the force pressed by the hook portion to the swinging force of the lock body so that the hook portion and the locking portion are engaged. The locking device according to any one of claims 1 to 3, wherein the locking device is an inclined surface or a curved surface that prevents release.   The locking device according to claim 1, wherein an outer surface of the operation member and an outer surface of the lid are provided on the same surface.   A storage box comprising the lock device according to claim 1.

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