JPH08303079A - Locking device - Google Patents

Abstract

PURPOSE: To make a bolt inserting stop ring nonprotrusive and prevent an unnecessary release at the time of vibration by fixing the bolt inserting stop ring to a fitting frame, and directly connecting or interlocking a bolt restraining action body to or with a hook type latch mechanism. CONSTITUTION: A stop ring insertable with the bolt 17 of a padlock 16 is fixed at the upper section of the recess 3 of a fitting frame 4. A controlled arm strained in the bolt 17 inserted into the stop ring is provided on an action body 8, and it can be pressed and rotated when it is not strained by the bolt 17 while a hook piece is slightly pulled. A latch piece 5 is rotated and retreated by a drive arm 15 against a spring, and hooking is released. A cylinder lock 21 fixed with a hook piece 20 to a rotor is assembled in the fitting frame 4, and the locking by a cylinder nail 21 is added. Duplicate locking is provided, and the hook piece 20 is advanced and hooked on the inner face of the opening edge of a locker main body 1 via the action of a key against the rotor into the locked state.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lock device, such as a locker installed in a school, which is convenient for a large number of users to lock using a padlock brought by each user.

[0002]

2. Description of the Related Art As a conventional locking device of this type, as an example, Japanese Utility Model Application No. 2-115519 (Japanese Utility Model Application No. 4-7217).
4), this locking device is configured such that a retaining ring adapted to insert a padlock bolt and a retaining member are provided in an interlocking state so that when the retaining ring protrudes, the retaining member is engaged. At the same time, the bolt is inserted into the projecting retaining ring so that the retaining ring is prevented from retreating and locked, and a mounting frame for mounting the retaining ring and the latch is provided. A depressed recess is provided to accommodate reception of the padlock when the padlock bolt is engaged with the retaining ring in the locked state.

[0003]

According to the above-mentioned prior art, since the retaining ring portion and the lock protrude from the door surface portion in the locked state, not only do they hinder the passage of traffic, but they are also damaged by the impact. Since it has a drawback that it is easy and has a structure in which it is locked by the swinging movement of the plate-like hooking body, the tip is formed in a substantially mountain shape as a means for maintaining the door closed state during normal opening and closing without locking. A latch mechanism that elastically engages and disengages the latch metal is provided specially,
However, such a latch mechanism that is elastically engaged and disengaged is extremely dangerous because it is easily opened due to vibration at the time of an earthquake or the swing of the stored article.

Therefore, an object of the present invention is to provide a locking device which can be locked by using a padlock brought by a user without causing a retaining ring through which a bolt of the padlock is inserted to project to the front side and to prevent an earthquake. Another object of the present invention is to provide a structure that also serves as a latch mechanism that does not open unnecessarily even when vibrations and rocking occur, and another purpose is to provide a structure in which a lock is added by a cylinder lock provided on a door.

[0005]

In order to achieve the above object, the present invention has an advantage that the latch piece is elastically retracted when the door is closed with respect to the mounting frame with a handle piece provided on the door of a locker or the like. After the door is closed, a latching type latch mechanism is constructed so that the latch piece is kept in a latched state by advancing, so that the latch can be released by the operation on the handle piece, and it is opened to the vibration and swing when an earthquake occurs. A retaining ring that does not open the door and allows the bolt of the padlock to pass through is fixed to the mounting frame, and the actuating body restrained by the padlock bolt is directly connected or interlocked with the latching latch mechanism. It is characterized by being provided as follows.

Further, in addition to the locking mechanism by the padlock and the snap ring, a locking mechanism by a cylinder lock and a locking piece is added.

[0007]

When the door is opened and closed in the unlocked state, the latch type latch mechanism causes the latch piece to come into pressure contact with the body of the rocker or the like to elastically retreat when the door is closed, and then elastically advance to make the door stable. The door is unlocked by the latch mechanism and the door is opened by releasing the latching mechanism by the operation on the handle piece.

When the padlock is pierced through the snap ring and the padlock is locked, the actuating body is held by the bolt and the latching latch mechanism that is directly connected to or linked to the actuating body is held in the locked state, and the door is It is locked. On the contrary, by removing the padlock from the hanging ring, the constraint of the operating body is released, and the door can be opened by operating the handle piece.

When the rotor of the cylinder lock is locked with a key, the locking piece pivots and advances, and the locker body is locked in a locked state. Even when the padlock is not brought, the lock can be locked. By the unlocking operation of the cylinder lock, the locking piece is swung back and retracted to be unlocked from the rocker body.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The illustrated embodiments in which the locking device of the present invention is applied to a metal plate locker will be described in detail below.

The illustrated embodiment is a locker body 1 made of a metal plate.
In the example in which the locking device of the present invention is attached to the handle portion of the door 2 which is openably and closably attached, first, referring to FIG. 1 to FIG. In addition to the free end of the door 2, a mounting frame 4 in which a vertical rectangular recess 3 is formed in a front open state is fitted and fixed from the outside, and a latch piece 5 is attached to the back of the mounting frame 4 when the door is closed.
In contrast to elastically retracting the door, after the door is closed, the latching piece 5 is advanced to the inner surface of the opening edge of the rocker body 1 to hold the latching type latch mechanism 6, and the mounting frame 4 is provided. An actuating body 8 integrally formed with a hand-held piece 7 is pivotally attached by a pin 9 to one side of the recessed portion 3 and the latch piece 7 is latched as shown in FIG. 6 by an outward pulling operation. The mechanism 6 is provided so as to be unlocked.

The mounting frame 4 is provided with a receiving groove 10 in the left-right direction, and inside the receiving groove 10, a guide slope 1 is formed inside and outside the tip.
In addition to slidably accommodating the latch piece 5 having 1 and the latching surface 12 by a spring 13,
The main portion of the latch piece 5 is provided with a passive portion 14 by forming a receiving hole, and the actuating body 8 is provided with the passive portion 1 of the latch piece 5.
4, a drive arm 15 is provided so as to be opposed thereto, so that the latch piece 5 is retracted against the spring 13 when the handle piece 7 is pushed laterally under the tendency of pulling outward. .

On the upper part of the concave portion 3 of the mounting frame 4,
A retaining ring 18 capable of penetrating the bolt 17 of the padlock 16 is fixedly provided. On the other hand, the actuating body 8 is provided with a controlled arm 19 to be restrained inside the bolt 17 penetrating the retaining ring 18. If the restrained arm 19 is provided and is not restrained by the bolt 17 of the padlock 16, the handle piece 7 is provided.
The push piece can be swung toward the front in a pulling tendency, and as a result of the swing, the latch piece 5 is pushed against the spring 13 by the drive arm 15 as shown in FIG.
Is retracted and the hook is released.

In addition to the locking by the padlock 16 brought by the user, a cylinder lock 21 having a plate-like hooking piece 20 fixedly mounted on the rotor is installed in the mounting frame 4 and locked by the cylinder lock 21. 1 to 5 to enable double locking, or even when the user does not bring the padlock 16, that is, the locking piece 20 is operated by operating the rotor with a key. As described above, the locker body 1 can be locked by advancing and locking it on the inner surface of the opening edge.

Regarding the locking by the locking piece 20, a locked arm 22 different from the locked arm 19 is provided on the operating body 8 so as to be blocked by the locking piece 20 in the locked state. The actuating body 8 is constrained by blocking the restrained arm 22 by the piece 20, whereby the latching piece 5 interlocking with the actuating body 8 is provided.
It is desirable that the lock piece be held in a locked state so that the latch piece 5 and the hook piece 20 both perform double lock.
In the unlocked state where the hooking piece 20 is retracted, the controlled arm 22 is not blocked by the hooking piece 20, and the latch piece 5 is retracted by operating the handholding piece 7 to open the door 2. You can

In the embodiment shown in FIGS. 8 to 10, instead of the interlocking type sliding latch piece in the above-mentioned embodiment, a direct coupling type swivel type latch piece 5 is formed integrally with the operating body 8. Other structures and actions are substantially the same as those in the above-mentioned embodiment, and therefore the description is omitted.

In the embodiment shown in FIGS. 11 to 14, the actuating body 8 is pivotally attached to the upper end portion by the pin 9 of the longitudinal axis, and the handle piece 7 is swung clockwise (leftward). The latch mechanism 6 is provided so as to be released from the latch, and as a mechanism for interlocking the handle piece 7 and the latch mechanism 6, the upper and lower end portions respectively contact the passive portion 14 of the latch piece 5. The drive arm 15 having the engaging projection 23 and the engaging projection 25 provided on the actuating body 8 and having the engaging hole 25 for engaging with 24 is pivotally fixed to the mounting frame 4 by the pin 26 of the longitudinal axis and is not locked thereby. In this state, as shown in FIGS. 11 and 13, the latch piece 5 is advanced by the spring 13 to keep the latch piece 5 at the same time, and at the same time, the handpiece piece 7 is biased counterclockwise under the intervention of the drive arm 15. As it is, open the door and touch the claw piece 7 The drive arm by turning in the clockwise direction 15
The latch piece 5 is retracted against the spring 13 via.

Furthermore, the embodiment shown in FIGS. 15 to 18 is another embodiment in which a padlock 16 brought by the user and a cylinder lock 21 are added, that is, the passive portion. 27, the plate-like hooking piece 20 having the rear receiving portion 28 and the front receiving portion 29 is pivotally stopped by the pin 30,
A spring 31 is provided so that the tip always tends to advance to the inner surface of the opening edge of the rocker body 1 at the same time, and a stopper member 32 is provided on the rotor of the cylinder lock 21 in an interlocking state so that the tip is a hooking piece in the advanced state. 20 is provided so as to correspond to the rear receiving portion 28 of the armature 20, and the actuating body 8 is provided with a drive arm 33 different from the drive arm 15 and the drive arm 33 is brought into contact with the passive portion 27 of the hooking piece 20. In the state, and further has a hook claw 34 for preventing the hooking piece 20 from advancing, and an advancing stop member 35 made of a leaf spring is engaged with the front receiving portion 29 of the hooking piece 20 in the retracted state. It is attached to the mounting frame 4 with a screw 36 at the base in accordance with the tendency to be easily fitted, and a passive protrusion 37 is provided at the tip of this advancement prevention member 35 so that when the door is closed, the advancement prevention member 35 itself is inserted through the passive protrusion 37. Songs by left the Kaketsume 34 from the front receiving portion 29 in the lock part 20, thereby lock part 20
Is advanced by a spring 31 so that the locking piece 20 corresponds to the inner surface of the opening edge of the rocker body 1, and the locking piece 20 locks.

In the door closed state as shown in FIGS. 15 to 17, the operating body 8 is swung by the door opening operation for the handle piece 7 and the latch piece 5 is resisted against the spring (not shown) by the drive arm 15. Simultaneously with the backward movement, the driving arm 33 causes the hooking piece 20 to move backward against the spring 31 to open the door, and with this opening, the pressing of the advancing stop member 35 against the passive projection 37 is released. As described above, the front receiving portion 29 of the hooking piece 20 in the retracted state is locked by the hooking claw 34 to be restrained in the retracted position. Still another structure is shown in FIG.
Since the structure is the same as that of the embodiment of FIG. 5, the description is omitted.

When the cylinder lock 21 is locked, the passive projection 37 of the advancing stop member 35 is pressed by the opening edge of the rocker body 1 to bend due to the closing of the door, and the hook 34 is engaged.
The restraint of the hooking piece 20 due to is released, the hooking piece 20 is swung forward by the spring 31, and the leading end is hooked on the inner surface of the opening edge of the rocker body 1, and in this state, the chain is locked by the key to the cylinder lock 21. By the locking operation, the tip of the stopper member 32 interlocking with the rotor is brought into contact with the rear receiving portion 28 of the hooking piece 20 in the advanced state, and the locking piece 20 is restrained in the advanced state and locked. In unlocking, by locking the cylinder lock 21 with a key, the tip of the stopper member 32 interlocking with the rotor is separated from the rear receiving portion 28 of the latching piece 20, thereby restraining the latching piece 20. Can be released, and the door 2 can be opened by the subsequent door opening operation.

Regarding the fixing of the retaining ring 18, as shown in FIGS. 19 and 20, the retaining ring 18 made of metal is provided as a separate body, and the mounting frame 4 is provided by the male screw 38 and the nut 39 protruding from the retaining ring 18. It is desirable to stick to.

[0022]

As described above, according to the present invention,
It has the following effects. a. The latch piece 5 having the guide slope 11 and the latching surface 12 inside and outside the tip is slidably accommodated in the receiving groove 10 of the mounting frame 4 with the tendency of always advancing by the spring 13, and also the mounting frame 4 In this case, the actuating body 8 integrally formed with the handle piece 7 is pivotally attached, and the latching type latch mechanism 6 is configured in association with the actuating body 8 so as to interlock with the latch piece 5. The latch piece 5 is elastically retracted while being in pressure contact with the main body 1 and then elastically advanced, so that the door 2 is stably hooked on the main body 1 and is unlocked by an operation on the hook piece 7. It is safe because the door 2 will not be opened unnecessarily due to vibrations such as an earthquake or rocking.

B. A retaining ring 18 capable of penetrating the bolt 17 of the padlock 16 is fixedly provided in the recess 3 of the mounting frame 4, and the actuating body 8 has a controlled arm 19 restrained by the bolt 17 penetrating the retaining ring 18. By providing the above, the retaining ring 18 itself can be firmly provided in a state where it does not always project to the front portion based on a simple configuration.

C. By adopting the latching type latch mechanism 6 in which the actuating body 8 in which the latch piece 5 is fixedly mounted on the handle piece 7 is always advanced due to the tendency of advancing due to the relation of the spring 13, a simple structure is obtained. Can achieve the intended purpose.

D. A cylinder lock 21 provided with a plate-like hooking piece 20 is installed in the mounting frame 4 so that the hooking piece 20 can be locked on the inner surface of the main body 1 by a key operation. By doing so, in addition to the locking by the padlock 16 brought by the user, the cylinder lock 21 and the locking piece 20
It is possible to add a lock by means of and to ensure a reliable lock by overlapping locks, and also to allow lock even when the user does not bring the padlock 16.

A spring-made advance stop member 35 is attached to the hook 34.
Is provided so as to easily engage the front receiving portion 29 of the hooking piece 20 in the retracted state, and the restraint of the hooking piece 20 by the advancing stop member 35 is released when the door is closed. With the opening and closing of, the hook 20 can be moved back and forth to automatically engage and disengage.

[Brief description of drawings]

FIG. 1 is a front view of a lock device in a locked state.

2 is a cross-sectional plan view of the locking device of FIG.

3 is a cross-sectional plan view of the locking device of FIG.

4 is a rear view of the locking device of FIG. 1. FIG.

5 is a partially cutaway perspective view of the locking device of FIG. 1. FIG.

6 is a cross-sectional plan view showing the lock device of FIG. 1 in a door openable state.

7 is a cross-sectional plan view showing the lock device of FIG. 1 in a door openable state.

FIG. 8 is a front view of a locking device according to another embodiment in a locked state.

9 is a cross-sectional plan view of the locking device of FIG.

10 is a perspective view of an operating body in the locking device of FIG.

FIG. 11 is a front view of a locking device according to still another embodiment in a locked state.

12 is a cross-sectional plan view of the locking device of FIG.

13 is a cross-sectional plan view of the locking device of FIG.

14 is a perspective view of an operating body and a latch mechanism in the locking device of FIG.

FIG. 15 is a front view of a locking device according to still another embodiment in a locked state.

16 is a cross-sectional plan view of the locking device of FIG.

17 is a rear view of the locking device of FIG.

FIG. 18 is a cross-sectional plan view of the locking device of FIG. 15 in an open state.

FIG. 19 is a side view showing only a retaining ring portion of a locking device according to still another embodiment.

20 is a front view showing a retaining ring portion of the locking device in FIG. 19. FIG.

[Explanation of symbols]

 1 Main Body 2 Door 3 Recess 4 Mounting Frame 5 Latch Piece 6 Latching Latch Mechanism 7 Hooking Piece 8 Actuator 9 Pin 10 Receiving Groove 11 Guide Slope 12 Latching Surface 13 Spring 14 Passive Part 15 Drive Arm 16 Padlock 17 Bolt 18 Stop ring 19 Controlled arm 20 Plate-like hooking piece 21 Cylinder lock 29 Front receiving part 34 Hooking claw 35 Advance stop member 37 Passive protrusion

Claims (4)

[Claims] 1. A mounting frame (4) in which a door (2) is pivotably mounted on the main body (1) so as to be openable and closable, and a recess (3) is formed in a front open state near the free end of the door (2). The mounting frame (4) is provided with a horizontal receiving groove (10), and
Inside the receiving groove (10), a guide slope (11) is formed inside and outside the tip.
A latch piece (5) having a latching surface (12) and a spring (1
In addition to slidably accommodating under the tendency of always advancing by 3), the passive part (14) is provided in the main part of the latch piece (5) and the concave part (3) of the mounting frame (4) is provided. The actuating body (8) integrally formed with the handle piece (7) is pivotally attached by the pin (9), and the actuating body (8) is brought into contact with the passive portion (14) of the latch piece (5). When the drive arm (15) is projected and the handpiece (7) is operated, the latch piece (5) can be retracted against the spring (13) so that the latching mechanism (6) can be retracted. ), And at the upper part of the recess (3) in the mounting frame (4), the bolt (1) of the padlock (16) is
A retaining ring (18) capable of penetrating 7) is fixed, and a stopped arm (19) restrained by a bolt (17) penetrating the retaining ring (18) is attached to the actuating body (8). A locking device characterized by being provided. 2. A mounting frame (4) in which a door (2) is pivotably mounted on the main body (1) so as to be openable and closable, and a recess (3) is formed in a front open state near the free end of the door (2). The latching piece (5) having a guide slope (11) and a latching surface (12) inside and outside the tip of the attachment frame (4) is fixed to the handle piece (7). The latching mechanism (6) is formed by pivotally attaching 8) with a pin (9) in accordance with the tendency of always advancing due to the relation of the spring (13), and further, a recess (3) in the mounting frame (4). On the upper part of the, a hook ring (18) through which the bolt (17) of the padlock (16) can be fixed is fixed,
The locking device characterized in that the actuating body (8) is provided with a controlled arm (19) restrained by a bolt (17) penetrating a retaining ring (18). 3. A cylinder lock (21) provided with a plate-like hooking piece (20) is installed by being installed in a mounting frame (4), and the hooking piece (20) is opened in the main body (1) by a key operation. The locking device according to claim 1 or 2, wherein the locking device is adapted to be locked by being hooked on the inner surface of the rim. 4. An advancement stop member (35) made of a spring having a hooking claw (34) and a hooking piece (2) with the hooking claw (34) retracted.
(0) is provided so as to easily engage with the front receiving portion (29), and the advance stop member (35) is provided with a passive protrusion (37) which is pressed by the contact in the closed state, and the advance stop member (35). The locking device according to claim 3, wherein 35) is bent by pressing the passive projection (37) to release the restraint of the locking piece (20).