JP2009002030A - Storage lock mechanism - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a lock mechanism which serves as a child lock mechanism that is concealed from the outside when locked in normal times, and can be selectively set in a lock cancellation mode beforehand when a storage is frequently opened/closed, to thereby eliminate a bother of cancellation of a lock whenever the storage is opened/closed. <P>SOLUTION: The lock mechanism 23 is formed of a lock main body 20 mounted on the storage 10, and an engaging portion 18 arranged in a fixture 1 main body that is lockable to and engageable with the lock main body 20. When the storage 10 is closed, the lock main body 20 is all stored in the storage 10, while when the storage 10 is opened, the lock main body 20 is partially openable to a location at which the lock main body 20 can cancel the engagement with the engaging portion 18. Further in an open state of the storage 10, the lock mechanism is selectively set to a location that can engage the lock main body 20 with the engaging portion 18 or a location that cannot engage the former with the latter. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a lock mechanism used in an openable / closable storage tool provided in a fixture.

  As a lock mechanism used for an openable / closable storage device provided in a fixture, a drawer with a lock claw that swings on the drawer is engaged with an engaging portion provided in the cabinet, and the drawer is locked. There is known a cabinet in which a lock is released by operating a lever when the lever is partially opened and pulled out to a position where it can be seen from the outside (see Patent Document 1). Since the lock mechanism is concealed when the drawer is closed, the lock device functions as a child lock mechanism without the possibility of a child accidentally releasing the lock mechanism, and has high safety. (For example, refer to Patent Document 1).

JP 2001-8756 A (paragraphs 0020 to 0023, FIG. 4)

  However, in such a conventional locking mechanism, when the drawer is closed, the lock claw is always engaged with the engaging portion. Therefore, when the drawer is opened, the lever must be operated each time. When opening and closing, it took time and trouble.

  The present invention has been made in view of such circumstances, and normally works as a child lock mechanism that is concealed from the outside when locked, and is selected in advance so as not to be locked when the container is frequently opened and closed. It is an object of the present invention to provide a lock mechanism that eliminates the troublesomeness of releasing the lock every time it is opened and closed.

In order to solve the above-described problem, the storage device locking mechanism according to claim 1 of the present invention includes:
A lock mechanism for use in an openable / closable storage tool provided in a fixture, wherein the lock mechanism includes a lock main body attached to the storage fixture and an engagement portion provided in the fixture main body that can be locked with the lock main body. When the storage tool is closed, all the lock main body is stored in the storage tool, and when the storage tool is released, the lock main body can be partially opened to a position where the engagement with the engagement portion can be released. And in the open state of the said storage tool, the position which can engage a lock main body with respect to an engaging part, or the position which cannot be engaged can be selected previously.
According to this feature, since the lock main body is housed in the housing including the operation portion that can be disengaged from the engaging portion when the housing is closed, there is a possibility that the child may inadvertently release the lock. Absent. When the lock is released, the storage tool is released to a position where the operation unit can be operated, so that the lock release operation can be easily performed. In addition, if the lock body is selected in advance so that it cannot be engaged when the storage device is open, it will not be locked even when the storage device is frequently opened and closed. There is no hassle of releasing.

The storage device lock mechanism according to claim 2 of the present invention is the storage device lock mechanism according to claim 1,
One of the lock main body and the engaging portion is constituted by a lock pin, and the other is constituted by an engagement groove fitted to the lock pin.
According to this feature, locking or unlocking can be reliably realized with a simple configuration including the lock pin and the engagement groove.

The storage device locking mechanism according to claim 3 of the present invention is the storage device locking mechanism according to claim 1 or 2,
The lock body is slidably supported with respect to the base in a range of a base fixed to a storage device, an engagement with the engagement portion, and a position where the lock can be engaged and a position where the lock cannot be engaged. When the lock arm is in a position where it can be engaged and a position where it cannot be engaged, the base and the lock arm are fitted into a concave and convex shape to resist movement of the lock arm from the position. It is characterized by giving.
According to this feature, the position where the lock arm can be engaged and the position where the lock arm cannot be engaged is held with a required resistance with a simple configuration of concave-convex fitting. There is no fear of causing a malfunction by moving from the position to the position where it cannot be engaged or vice versa.

The storage device locking mechanism according to claim 4 of the present invention is the storage device locking mechanism according to claim 3,
The lock main body selected as the position where it can be engaged or the position where it can not be engaged is caused by the control member provided in the main body of the fixture being in contact with the lock arm in the closing process of the storage tool. Is characterized in that it is actuated toward the engagement position or the non-engagement position with the engagement portion.
According to this feature, by moving the lock arm in contact with the control member in the process of closing the storage device, the lock arm can be directed toward the engaging portion or in the non-engaging direction, and the operation can be reliably performed. Sex is guaranteed.

  BEST MODE FOR CARRYING OUT THE INVENTION The best mode for carrying out a storage device locking mechanism according to the present invention will be described below based on examples.

  An embodiment of the present invention will be described with reference to the drawings. First, FIG. 1 is a perspective view showing a kitchen cabinet to which a lock mechanism in an embodiment of the present invention is applied, and FIG. 2 is a view when a front plate is opened. FIG. 3A is a partially enlarged side sectional view showing the hinge space and the locking mechanism, and FIG. 3A is a partially enlarged plan sectional view showing a state in which the front plate is opened when the locking mechanism is used. FIG. 4B is a partially enlarged plan sectional view showing a state in which the front plate starts to be closed when the lock mechanism is used, and FIG. 4A is a partially enlarged plan view showing the operation of the control plate when the lock mechanism is used. FIG. 4B is a partially enlarged plan sectional view showing a state where the front plate is closed when the lock mechanism is used, and FIG. 5 is a partially enlarged view showing the lock mechanism before unlocking. FIG. 6A is a plan sectional view showing a state when the lock mechanism is used. , 6 (b) is a sectional plan view showing a state when the locking mechanism not in use. Hereinafter, the left side of FIG. 2 is the front side of the locking mechanism, and FIGS. 3A, 3B, 4A, 4B, 5, 6A, and 6 are used. A description will be given assuming that the lower side of the drawing of (b) is the front side of the lock mechanism.

  The code | symbol 1 of FIG. 1 is the kitchen cabinet as a fixture with which the locking mechanism 23 of this invention was applied. The kitchen cabinet 1 will be described. A sink part 2 used by a user to wash dishes and the like is provided at the top of the kitchen cabinet 1, and a work space on the kitchen cabinet 1 is adjacent to the sink part 2. 3 is provided.

  A kitchen knife storage 5 for storing the kitchen knife 4 is provided at the bottom of the kitchen cabinet. Furthermore, a drawer 6 for storing tableware, foodstuffs, etc., which is placed in a space formed in the lower part of the kitchen cabinet 1 and is movably moved back and forth, is provided below the kitchen knife storage unit 5. The drawer 6 is connected in the left-right direction at the lower part of the kitchen cabinet 1.

  The right side of the kitchen cabinet 1 is the right side when the user stands in front of the kitchen cabinet 1, and the left side of the kitchen cabinet 1 is the left side when the user stands in front of the kitchen cabinet 1. is there.

  Of these knife storage portions 5 and drawers 6, the knife storage portion 5 is formed with a knife storage holder 7 and holding metal fittings 8 and 8 provided on the left and right sides thereof on the front of the kitchen cabinet 1, as shown in FIG. The upper and lower two are stored in the storage space 9. In addition, a plurality of knife storage holders 7 are continuously provided in one storage space 9 so that the handle of the knife 4 is directed rightward in the left-right direction.

  As shown in FIG. 2, the storage space 9 is concealed by a front plate 10 that is a decorative plate whose front side is configured as an openable / closable storage tool of the kitchen cabinet 1. The storage device as used in the present invention opens and closes in order to take in and out stored items, and includes a drawer. In the kitchen cabinet 1 located at the left and right ends of the storage space 9, there are two left and right hinges 12 connected to the rear surface (rear surface) of the front plate 10 and bendable arms 13 and 13 that define the fully open position of the front plate 10 ( 1), and the user can open and close the front plate 11 with respect to the storage space 9 by turning the handle 11 provided on the upper portion of the front plate 10 in the front-rear direction. Yes.

  Furthermore, when the front plate 10 is rotated forward by the user, the knife storage holders 7 and 7 held in the storage space 9 are inclined forward at different angles at the upper and lower sides, so that the knife 4 can be easily taken out. It is the composition to do.

  As shown in FIGS. 1 and 2, the left and right sides of the storage space 9 are formed in hinge spaces 16 and 17, which are provided with a hinge 12 and a bendable arm 13 in the kitchen cabinet 1 and open in the front direction. ing. In particular, as shown in FIG. 3A, the hinge space 16 has a tapered surface 18a that protrudes rightward from the side plate 14 provided inside the kitchen cabinet 1 and inclines inward from the front toward the storage space 9. A lock pin 18 is provided as an engaging portion.

  Further, as shown in FIG. 3A, a control plate 19 is provided in the hinge space 16 as a control member having a tapered surface 19a that faces the left inner surface and inclines toward the left side of the back surface. . Further, a lock main body 20 having an engagement groove 22 a that can be engaged with the lock pin 18 is provided at the upper left end portion of the back surface (back surface) of the front plate 10. These lock pins 18 and the lock body 20 constitute a lock mechanism 23.

  Hereinafter, the lock mechanism 23 will be described. As shown in FIG. 6A, the lock main body 20 of the lock mechanism 23 can be engaged with a base 21 fixed to the back surface (rear surface) of the front plate 10 and the lock pin 18, and a lock pin 18 described later. And a lock arm 22 pivotally supported at the base end portion so as to be swingable with respect to the base portion 21 within a range of positions where it can be engaged and non-engageable.

  The lock arm 22 will be described. The lock arm 22 is provided with an engagement groove 22a that opens to the left so as to be engageable with the lock pin 18. The lock arm 22 is engaged with the lock pin 18 as the front plate 10 rotates forward and backward. It is formed in a substantially arc shape in side view so that it can be combined. In addition, an operation portion 22b that can be easily released by the user when the lock arm 22 and the lock pin 18 are engaged is provided on the upper portion of the lock arm 22 (see FIG. 2). Further, the base end portion of the lock arm 22 is pivotally supported by swinging shafts 22c and 22c pivotally supported between two upper and lower pivotal support portions 21b and 21b formed on the base portion 21, and two concave portions 22d and 22e is formed.

  Next, the base portion 21 will be described. As shown in FIG. 6A, the base portion 21 has screw holes 21a and 21a for screwing to the back surface of the front plate 10 with screws. Further, the base portion 21 pivotally supports the rocking shafts 22c and 22c of the lock arm 22 through pivotal support holes 21d and 21d provided in the pivotal support portions 21b and 21b (see FIG. 2). Further, a convex portion 21c that protrudes toward the lock arm 22 and fits into the concave portions 22d and 22e provided at the base end portion is provided between the pivot portions 21b and 21b.

  The convex portion 21c is given elastic force toward the concave portions 22d and 22e, and acts so that the engagement with the concave portions 22d and 22e is released against the elastic force when the lock arm 22 swings. .

  These recesses 22d and 22e can be selected in a range of positions where the lock arm 22 can be engaged with the lock pin 18 and positions where the lock arm 18 cannot be engaged by engaging the protrusion 21c. . Specifically, when the concave portion 22d and the convex portion 21c are concavo-convexly fitted, the lock arm 22 is positioned at a position where the tip of the lock arm 22 can be engaged with the lock pin 18 as shown in FIG. 6A. Retained. Further, by rocking and displacing the lock arm 22, the concave portion 22e and the convex portion 21c are fitted into the concave and convex portions, whereby the lock arm 22 has a longitudinal direction substantially the same as the back surface of the front plate 10 as shown in FIG. It is held in a position that is parallel and cannot be engaged with the lock pin 18.

  When the lock arm 22 is in a position where it can be engaged with the lock pin 18 or in a position where it cannot be engaged, it engages with a convex portion 21c provided on the base portion 21, and the elastic force from the convex portion 21c causes the lock arm 22 to Resistance is given to the movement of the lock arm 22 from the position. The concave portion 22d is formed to be slightly wider to the left and right than the concave portion 22e. Since the convex portion 21c has play in the concave portion 22d when the concave and convex portions are fitted, the lock arm 22 in the concave and convex portion fitted state is provided. It is easy to move within a predetermined range, and when it is out of the concave-convex fitting, a required resistance can be applied.

  As shown in FIG. 3A, the lock main body 20 provided on the back surface of the front plate 10 has a tip of the lock arm 22 when used so that the lock mechanism 23 operates in the opened state of the knife storage portion 5. Is held in a position where it can be engaged with the lock pin 18 in the rearward direction. When the user starts closing the front plate 10, the tip of the lock arm 22 comes into contact with the tapered surface 18 a of the lock pin 18.

  As shown in FIGS. 3B and 4A, when the closing process of the front plate 10 proceeds, the lock arm 22 inclines to the right while abutting and moving along the tapered surface 18a of the lock pin 18. To do. The tip of the lock arm 22 inclined rightward by the lock pin 18 comes into contact with the tapered surface 19 a of the control plate 19. At this time, the concave portion 22d has play with respect to the convex portion 21c, so that the concave-convex fitting can be maintained even with the contact movement with the control plate 19.

  Further, when the user closes the front plate 10, the lock arm 22 moves along the tapered surface 19 a of the control plate 19, so that the engagement groove 22 a has a positional relationship for accommodating the lock pin 18 (see FIG. 4 (b)). As can be seen from FIG. 4B, the tapered surface 19a of the control plate 19 is continuous with the parallel surface 19b extending toward the back surface in parallel with the side surface, and the parallel surface 19b allows the entire front plate 10 to be fully connected. When closed, the swinging of the lock arm 22 in the unlocking direction is restricted.

  When the knife storage unit 5 is closed, the lock main body 20 is all stored in the hinge space 16 in the knife storage unit 5 and is completely hidden from the external view and the lock is completed.

  The user may select the lock arm 22 in a position where it cannot be engaged with the lock pin 18 in advance by swinging the lock arm 22 so that the longitudinal direction of the lock arm 22 is substantially horizontal with the rear surface of the front plate 10. it can. That is, by swinging the lock arm 22, the tip of the lock arm 22 does not come into contact with the tapered surface 19a, so that the lock arm 22 does not move along the tapered surface 19a in the closing process of the front plate 10.

  As described above, the control plate 19 abuts against the lock arm 22 when the lock arm 22 is selected in advance to be in a position where the lock arm 22 can be engaged with the lock pin 18 or in a position where it cannot be engaged. As a result, the lock arm 22 is distributed toward the engagement position with the lock pin 18 or the disengagement position. By doing so, even if the user does not accurately fit the lock arm 22 and the base 21 to the concave and convex portions, the lock arm 22 is swung to the engagement position with the lock pin 18 or the non-engagement position. It is possible to make it.

  When the lock mechanism 23 is used, the front plate 10 shown in FIG. 4B is closed from the closed state shown in FIG. 3A again by opening the front plate 10 forward as shown in FIG. The operation part 22b provided on the upper part of the lock arm 22 is partially opened from above to an operable position. Then, the lock arm 22 is swung toward a position where the engagement with the lock pin 18 is released. The engagement between the lock arm 22 and the lock pin 18 may be swung by the user directly pressing the lock arm 22 with a finger without using the operation portion 22b.

  By configuring the lock mechanism 23 as described above, the lock body 20 including the operation portion 22b that can be disengaged from the lock pin 18 when the front plate 10 is closed is housed in the kitchen knife housing portion 5, so that the child There is no risk of inadvertently releasing the lock. When the lock is released, the knife storage unit 5 is opened to a position where the operation unit 22b can be operated, so that the lock can be easily released. Moreover, if the lock body 20 is selected in advance so that it cannot be engaged when the front plate 10 is open, the front plate 10 will not be locked even when the front plate 10 is frequently opened and closed. There is no hassle to unlock each time.

  Further, the lock mechanism 23 can be reliably locked or unlocked with a simple configuration including the lock pin 18 and the engagement groove 22a.

  In addition, by configuring the lock mechanism 23 as described above, the position can be held with a required resistance at a position where the lock arm 22 can be engaged and a position where the lock arm 22 cannot be engaged with a simple configuration of uneven fitting. Therefore, there is no fear of causing a malfunction by moving from the position where the front plate 10 can be engaged to the position where the front plate 10 cannot be engaged or vice versa.

  Further, by configuring the lock mechanism 23 as described above, the lock arm 22 is brought into contact with the control plate 19 in the closing process of the front plate 10 so that the lock arm 22 is engaged with the lock pin 18 or is not engaged. It is possible to make it go in the direction of making it, and the certainty of operation is guaranteed.

  Although the embodiments of the present invention have been described with reference to the drawings, the specific configuration is not limited to these embodiments, and modifications and additions within the scope of the present invention are included in the present invention. It is.

  For example, in the above embodiment, the lock mechanism 23 is operated by the user turning the handle 11 provided on the upper portion of the front plate 10 in the front-rear direction, but is provided in the kitchen cabinet 1. Alternatively, the drawer 6 may be provided in a drawer 6 that slides back and forth, a pivot door that is pivotally supported in the vertical direction and pivots to the right or left, and a cabinet or the like in which the pivot door is provided.

  In the above embodiment, the lock mechanism 23 is provided between the front plate 10 and the left hinge space 16, but the lock mechanism 23 may be provided between the front plate 10 and the right hinge space 17, You may provide in the two places of the front board 10 and both hinge space 16,17.

  In the above embodiment, the lock pin 18 has the taper surface 18a and the lock arm 22 is brought into contact with the lock pin 18. However, a taper surface may be formed at a position where the lock arm 22 is brought into contact with the lock pin 18. In addition, a tapered surface may be formed only on the lock arm 22.

  In the above embodiment, the operation portion 22b for releasing the engagement between the lock arm 22 and the lock pin 18 is provided on the upper portion of the lock arm 22. However, when releasing the engagement, the user directly presses the lock arm 22 with a finger. You may cancel.

  In the embodiment, the lock pin 18 is provided from the side plate 14 side of the hinge space 16 and the engagement groove 22a is provided in the lock arm 22. However, the lock pin 18 is provided in the lock arm 22 and the engagement groove 22a is provided. You may provide in the side surface of the hinge space 16. FIG.

It is a perspective view which shows the kitchen cabinet to which the locking mechanism in the Example of this invention was applied. It is a partially expanded side sectional view which shows a hinge space and a lock mechanism when a front plate is opened. (A) is a partially enlarged plan sectional view showing a state in which the front plate is opened when the lock mechanism is used, and (b) is a diagram showing a state in which the front plate is started to be closed when the lock mechanism is used. FIG. (A) is a partially enlarged plan sectional view showing the function of the control plate when the lock mechanism is used, and (b) is a partially enlarged plan sectional view showing a state where the front plate is closed when the lock mechanism is used. It is. It is a partially expanded plan sectional view showing the lock mechanism before unlocking. (A) is a plane sectional view which shows the state at the time of use of a locking mechanism, (b) is a plane sectional view which shows the state at the time of not using a locking mechanism.

Explanation of symbols

1 Kitchen cabinet 10 Front plate (storage)
16, 17 Hinge space 18 Lock pin (engagement part)
18a taper surface 19 control plate 19a taper surface 20 lock main body 21 base 21a screwing hole 21c convex portion 22 lock arm 22a engagement groove 22b operation portions 22d and 22e concave portion 23 locking mechanism

Claims (4)

  A lock mechanism for use in an openable / closable storage tool provided in a fixture, wherein the lock mechanism includes a lock main body attached to the storage fixture and an engagement portion provided in the fixture main body that can be locked with the lock main body. When the storage tool is closed, all the lock main body is stored in the storage tool, and when the storage tool is released, the lock main body can be partially opened to a position where the engagement with the engagement portion can be released. In addition, the storage device locking mechanism can be selected in advance from a position where the lock body can be engaged with the engaging portion or a position where the lock body cannot be engaged in the opened state of the storage device.   2. The storage device locking mechanism according to claim 1, wherein one of the lock body and the engagement portion is a lock pin and the other is an engagement groove that fits the lock pin.   The lock body is slidably supported with respect to the base in a range of a base fixed to a storage device, an engagement with the engagement portion, and a position where the lock can be engaged and a position where the lock cannot be engaged. When the lock arm is in a position where it can be engaged and a position where it cannot be engaged, the base and the lock arm are fitted into a concave and convex shape to resist movement of the lock arm from the position. The storage device locking mechanism according to claim 1 or 2, wherein the storage device locking mechanism is provided.   The lock main body selected as the position where it can be engaged or the position where it can not be engaged is caused by the control member provided in the main body of the fixture being in contact with the lock arm in the closing process of the storage tool. The storage device locking mechanism according to claim 3, wherein the storage device is operated to be distributed toward an engagement position or a non-engagement position with the engagement portion.

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