JPS59150874A - Lock apparatus - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed Description of the Invention] [Technical Field] The present invention comprises a lock body having a locking tool capable of locking a lock rod in an incompletely protruded position, and a release tool releasing the locking,
The present invention relates to a locking device that allows a door to be used for a variety of purposes and to facilitate opening and closing operations of the door.

[Background technology]

Conventionally, various types of locks, such as so-called box locks and monolocks, have been known that have locking rods for main tightening and idle locking in the case, but in all cases, the locks are used to open the door. It reciprocates between the fully extended position and the fully extended position, and can only be held in the fully extended position.

On the other hand, by opening and closing the door, when entering the room, electrical appliances such as lighting and ventilation fans are automatically and reliably turned on and off.
Also, when turning on FF when leaving the room, it eliminates the trouble of operating the switch when entering and leaving the room, and automatically turns off the light when leaving the room.
Although it is possible to save electricity and prevent the risk of electric leakage, etc., with the conventional lock device described above that can only be held in the fully extended position, depending on the position of the lock lever, the state of the room when the user is in the room and after leaving the room may be determined by the key itself. cannot be distinguished, and the door device that automatically turns on and off cannot be constructed. A switch is provided to detect locking/unlocking by detecting the appearance and retraction of the deadbolt of the cylindrical needle, and a switch to detect the opening/closing of the door by detecting the advance/retraction of the latch bolt of the cylindrical lock. It is known that it can display remotely, but this kind of
In addition to requiring two switches and complicating the device, the device simply indicates locking/unlocking and opening/closing of the door, and does not perform a series of operations such as turning on the room when entering the room and turning off the light after leaving the room.

[Purpose of invention]

According to the present invention, the lock lever can be locked in an incompletely protruding position, and the lock lever position can be changed after entering and exiting the room, and by providing a release tool, for example, when the door is closed when leaving the room, the lock lever can be locked automatically. To provide a locking device which can return a lock lever to a fully extended position in a short period of time, and which can conveniently operate a door.

[Disclosure of the invention]

In the embodiment diagram, a lock device 12 of the present invention is composed of a lock body 3 attached to a door door and a receiving plate 6 attached to a stationary frame 5. A lock lever 4 that moves by operation of the operating body 7 and the second operating body 8, and a locking tool 9,
A release tool 10 is provided.

In this embodiment, the lock main body 3 includes a main body part 15 that is fitted onto the front end surface of the door, and exterior parts 16 and 17 that are attached to both sides of the door. In addition, a flat housing portion 24 whose one side surface can be shielded by a cover plate 23 is provided.
The lock rod 4 can be moved forward and backward through a through hole bored in the front 22.

The locking rod 4 is in the shape of a latch bolt having a tip 4a with a sloped cutout on the outer surface, and has a bulge at the top and bottom of the rear end to provide stepped portions 11 and 12 on the top and bottom, and at the rear thereof, there are steps 11 and 12 in the front and back. It has an extending guide piece 26, 27 and a triangular part 29, 30 which tapers toward the tip and protrudes from its outer and inner surfaces. In addition, the lock rod 4 has an outer surface and an inner surface with η.
A long hole 31 is formed therethrough, and a notch 32 extending in the longitudinal direction is provided on the outer surface.
A piece 34 made of a cushioning material such as synthetic resin or rubber is installed in the groove 33 that includes the slope and extends to the front edge of the elongated hole 31.
It is inserted and fixed using a hanger vent. Note that the piece 34 can also be fixed using adhesive, baking, screwing, or the like.

A timing bolt 1 forming the release tool 10 is attached to the lock lever 4.
0a is attached to its inner surface. The release tool 10 is a first
As shown in detail in Figures 0 to 11, a protruding piece 37 that can be fitted into the elongated hole 31 is provided at the rear of the elongated piece 36 that is provided on the inner side and has the same thickness as the triangular part 30; A receiving piece 39 is provided at the top of the lock rod 4 and extends rearward, and a release tool 10 is provided.
A guide piece 40 is formed on the inner surface of the release tool 10,
By inserting the protrusion 37 into the elongated hole 31, the lock rod 4
The locking lever 4 and the release tool 10 can be moved back and forth relative to each other.
The guide pieces 26, 27 and 40 are connected to the cover plate 2.
3 and the guide grooves 41 and 42 provided on the side plate 25 of the housing portion 24
, the lock rod 4 is fitted into the guide groove 43, and the lock rod 4 reaches the fully protruding position where its guide piece 26.27 abuts the front edge of the guide groove 41.42 and its tip 4a protrudes forward. The door can be moved between a retracted door opening position B where the door is released and the door is substantially recessed into the front 22. Further, the release tool 10 has its guide piece 4
0 abuts against the front edge of the guide groove 430, there is a gap between the protruding piece 37 and the front edge of the elongated hole 31 of the lock rod 4 which protrudes to the full protruding position A as shown in FIG. Gap g as shown in
is left behind. A locking tool 9 is arranged below the lock lever 4, and a first lever 19 is mounted on the outer surface of the locking tool 9, and a second lever 19 is mounted on the inner surface of the locking tool 9.
A lever 20 is arranged.

The locking tool 9 is an arm 9a having a U-shaped cross section with side pieces 50.51 hanging down on both sides of the upper piece 49, and projects toward the front end of the side plate 250 through a through hole penetrating the side pieces 50.51. A cam piece 53 whose tip end is swingably supported by the support pin 46 and is formed by folding the side piece 50 upward is provided at the rear end.
The lock lL, 9 is biased toward the lock lever 4 by the spring 54 to force the lock portion 13 formed by the rear edge of the upper piece 49, and as a result, the lock portion 13 has the sloped portion between the lock rod 4 and the door opening position B which can release the door to the fully extended position by engaging with the stepped portion 12 below the lock rod 4. It can be locked at an incompletely protruding position C where only the tip portion 4a protrudes substantially from the front 22. In this example, when the guide piece 40 of the release tool 10 abuts against the front edge of the guide groove 43, the tip of the release tool 10 substantially coincides with the tip of the lock rod 4 at the incompletely protruding position C.

The first lever 19 has a flat base plate 59 rotatably supported by a driving wheel 57 that fits on a support shaft 56 of the first operating body 7 of the exterior part 16, and has a flat base plate 59 at its tip. , pin-shaped push piece 6
0.61 is provided to protrude vertically, and when the first lever 19 is in a forward tilted state as a reference, the push piece 60 touches the guide piece 40.
A hole that can come into contact with the back surface of the receiving piece 39 of the release tool 10 that protrudes forward until it abuts against the front edge of the guide groove 43, or is located in the vicinity thereof. Further, in this state, the pusher piece 61 is inserted into the long hole 31.
inserted within. Further, the first lever 19 is biased toward the forward tilting side by suspending the other end of a tension spring 64, one end of which is attached to the spring receiver 63 of the side Fi 25, on a spring receiver 62 provided on the side surface thereof. As a result, the release tool 10 can be projected forward via the pusher piece 60 when the first lever 19 is in the forward-inclined state that serves as the reference described above. Further, the first lever 19 is formed with a claw piece 67 and a projecting piece 66 that comes into contact with the bottom plate 65 of the accommodating portion 24 and holds the first lever 19 in the forward tilted state serving as the reference. .

The claw piece 67 and the protruding piece 66 are connected to the first lever 1! l! It is arranged symmetrically with respect to the longitudinal center line of the machine, allowing it to be used in the opposite direction. In addition, in the protruding state in which the guide piece 40 of the release tool 10 abuts against the front edge of the guide groove 43, by bringing the back surface of the receiving piece 39 into contact with the pushing piece 60, the first lever is 19 can be held in a forward tilted state as a reference, in which case the protruding piece 66 can be omitted.The claw piece 67 is pressed by a protruding piece 69 provided on the driving wheel 57.Also, the protruding piece 69 and The claw pieces 67 are provided so as to project out of phase with each other by a small angle α when the first operating body 7 is in a horizontal state as a reference and the first lever 19 is in a forward tilted state as a reference.

The push piece 61 can reciprocate the lock rod 4 between its fully extended position and the door opening position B by tilting the first lever 19, and the push piece 61 can move the lock rod 4 back and forth between its fully extended position and the door opening position B. Its incomplete protrusion position C
When retracted to the vicinity, the lock lever 4 and the first lever 1
9, the locking part 13 is separated from the step part 12 by contacting the front edge circular arc part of the cam piece 53 of the locking tool 9 and pushing down the cam piece 53. sell. Also, in the return stroke after passing the cam piece 53, it engages with the circular arc portion of the rear edge of the cam piece 53, and can similarly push down the locking tool 9. In addition, the pushing piece 60 is pressed by the receiving piece 39 of the releasing tool 10 that is retreating, so that the first lever 19
is tilted backwards, and as a result of this backward tilting of the first lever 19, the pusher piece 60 is engaged in the engagement 11 in the vicinity of the incompletely protruding position C, as described above.
The cam piece 53 of the second tool 9 can be pushed down, and the release tool 10
Through the first lever 19 linked to the first operating body 7, the engagement between the locking tool 9 and the lock rod 4 can be released in the vicinity of the incompletely protruding position C, and the locking can be prevented. When the release tool 10 is moved back to the vicinity of the door opening position B together with the lock rod 4, the receiving piece 39 is moved through the pushing piece 61 to the first position.
The lever 19 is tilted backward until the locking rod 4 is in the incompletely protruding position RC.

The second lever 20 has a pin-shaped plate inserted into the elongated hole 31 at the upper end of a flat base plate 72 fixed to a driving wheel 71 into which the support shaft of the second operating body 8 provided in the exterior part 17 is fitted. A push piece 73 is provided.1. By rotating the second operating body 8,
The lock lever 4 is in the fully extended position A and in the open position rI1. B can be moved back and forth. The driving wheels 57.71 are fitted concentrically with each other and are supported by bearing holes 74.75 provided in the cover plate 23 and the side plate 25.

A locking tool 81 is provided on the exterior portion 16,17.

The locking tool 81 is fitted with the support shaft 56.
The latching shaft 84 is provided with a flange around the flat plate portion, and a latching groove 87 is provided in the lower end of the flange. By fitting the protruding piece 89 on the upper edge of the hanging plate 86 into the locking groove 87, the first operating body 7 is restrained from rotating in its horizontal state and can be locked. The stop plate 86 is guided by a vertically extending protrusion 92 formed on the inner surface of the case 91 of the exterior part 16.17, and has a drive pin 97 provided on a rotating plate 95 that fits into a square cylinder shaft 94. By fitting the hook into the notch hole 99 of the plate 86, the 12th to 13th
As shown in the figure, as the rotating plate 950 rotates, the upper and lower edges are pressed by the drive pin 97, allowing it to move up and down. Further, the rotating plate 95 has a spring receiver Lt 10 that passes through the vertical hole of the hanging plate 86.
0 and the other end attached to the rotating plate 95.
During the rotation of the rotating plate 95, the rotating plate 95, that is, the square tube shaft 94, is elastically elastically moved at the upper and lower positions of the locking plate 86. Pressed. The square cylinder shaft 94 of the locking device 81 extends to the other exterior part 17 via the joint piece 1103, and the square cylinder shaft 94 of the interior part 16 has an emergency button 10.4 having a slot into which a coin or the like is fitted. However, a thumb turn 105 connected to the patch piece 103 protrudes from the exterior portion 17 side.

On the other hand, the receiving plate 6 is attached to the stationary frame 5 facing the movable end of the door with one edge in contact with or apart from the door stop 5a, and the lock rod 4 and the release tool 10 are fitted into the base plate 111. A locking hole 112 is provided in the stationary frame 5, and a guide portion 113 that bends outward is provided on the inner edge of the locking hole 112.
A void V leading to 12 is formed. 5 to 7, reference numeral 115 indicates a spring that presses the lock rod 4 forward, and reference numeral 116 in FIGS. 5 and 12 indicates the locking shaft 8.
Both ends are supported by the notches 9B, 9B of 4, and the first and second
This is a torsion spring that can hold the operating body 7.8 in a standard horizontal state.

艷艷Next, the lock device 1 of the present invention partitions an external space R1 such as a hallway and a room R2 such as a washroom, and
An example will be explained in which a door D that opens to the side is used and a lock W1 is used to turn on and off electric appliances such as lighting fixtures and ventilation fans (not shown).

The lock body 3 and the receiving plate 6 are attached to the door D and the stationary frame 5 as described above, and the switch S having the operating end S1 facing the door is housed in the space (2) at the back of the locking hole 112, and The operating end S1 moves the lock lever 4 only when the lock lever 4 reaches its fully extended position.
When pressed, the switch S can be turned off.

When the room R2 is empty and the door is closed, the first operating body 7 and the second operating body 8 are horizontal, and the first lever 19 and the second lever 20 are aligned with the reference shown in FIG. The lock lever 4 turns off the switch S by pressing the operating end S1 of the switch S.

Next, when entering the room, when the first operating body 7 is rotated, the first
The claw piece 67 of the lever 19 is pressed by the projection piece 69 of the driving wheel 57 after rotating by the angle α, and as shown in FIG. By pressing, the lock lever 4 can be moved to the door opening position B, so that the door can be opened and entry can be made. Note that the small angle α is the first
5. Add play to the operating body 7. As a result of this operation, the first lever 19 is immediately tilted by the lock lever 16 and the tension spring 64, and when the first lever 19 is tilted, the push piece 61 touches the stepped portion 12 of the lock lever 4 and the locking tool 9. By pushing down the cam piece 53 as shown by the dashed line in the vicinity of the incompletely protruding position C where the locking part 13 is close to the locking part 13, the lock lever 4 protrudes to the fully protruding position A, i.e., the first operation. Depending on body 7, lock rod 4
The lock lever 4 can be freely reciprocated without the locking tool 9 operating.

Next, when you grip and rotate the second operating body B after entering the room,! [As shown in FIG. When the release tool 10 is moved a distance of 10 minutes, the protruding piece 37 of the release tool 10 is pressed against the front edge of the elongated hole 31 and retreats, and the receiving piece 39 slightly rotates the first lever 19 via the pushing piece 60. As shown in FIG. 16, when the second lever 20 is returned until the lock rod 4 reaches the incompletely protruding position C, the first lever 19 moves forward as the release tool 10 moves forward, and the push piece 61 is the cam piece 53
Since the locking part 13 of the locking tool 9 has passed through the position J
It moves to one side and engages with the stepped portion [2] of the lock rod 4, so that the lock rod 4 can be restrained at the incompletely protruding position Hc. Note that even if the second operating body 8 is repeatedly rotated, this state can always be maintained, and the lock rod 4 is locked at the incompletely protruding position C. In addition, the second. operating body 8
By closing the door in the depressed state, the lock rod 4 is held at the incompletely protruding position C, and the switch S is turned on.
The status is maintained and the lighting state is maintained while the user is in the room. After entering the room, use the thumb turn 105 to lock the room as described above.

Next, when the second operating body 8 is operated when leaving the room, the lock rod 4 is similarly maintained at the incompletely protruding position 8C;
When the door is closed by pulling the first operating body 7 after leaving the room, the lock rod 4 and the release tool 10, which is the timing bolt 10a, come into contact with the guide portion 113 of the receiving plate 6, and the lock body 3 is closed. The first lever 19 and the receiving piece 3 of the release tool 10 are pushed inside to the vicinity of the gate position WB.
9, the push piece 61 is retracted to a position beyond the cam piece 53. Note that the second lever 20 is in a forward tilted state. Next, just before the door is closed, the lock rod 4 located on the closing door side reaches the insertion position into the locking hole 112 of the receiving plate 6, so that the lock rod 4 is moved by the spring 115. The first stage is moved forward by the biasing force and simultaneously moved by the tension spring 64.
The pushing piece 61 of the lever 19 is held by the receiving piece 39 of the retracted release tool 10 in the vicinity of the incompletely protruding position WtC, and in order to push down the cam piece 53 as described above, the release tool 1
0 separates the locking part 13 from the stepped part 12 via the first lever 19, as shown in FIGS.
is inserted into the locking hole 112 to its fully extended position, and the switch S is turned OFF.

Thereafter, the release tool 10 is fitted into the locking hole 112, thereby restoring the above-mentioned standard state.

After entering the room, the thumb turn 105 is rotated and the latch plate 86 is pushed up as described above, so that the protrusion 89 is fitted into the latch @87 of the latch shaft 84, so that the locking tool 8] is locked. ! The rotation of the operation body 7 and the second operation body 8 of l'S1 can be locked. An emergency button 104 is provided on the outside of the room, and in case of an emergency, the emergency button 104 is used to connect the locking tool 8 from the outside via the joint piece 103.
1 can be unlocked and the door can be opened. Note that the locking tool 81 can also be formed using a lever piece that is provided inside the housing section 24 of the main body section 15 and can lock and restrain the first lever 19 in its forward tilted state. is the exterior part 16.
17, but can be formed on the main body portion 15 itself.

〔Effect of the invention〕

As described above, the lock device of the present invention consists of a lock body and a receiving plate, and the lock body includes a locking tool that can lock the lock rod in the incompletely protruded position, and a locking device that engages the receiving plate when the door is closed. Since the device is provided with a release device that releases the locking device by touching the lock, it is possible to change the operating state of the switch, for example, between the fully protruding position and the partially protruding position, and as a result, when entering the room, it is possible to change the operating state of the switch. It is possible to easily construct a device that can turn on the light and turn it off automatically when leaving the room, and the release tool eliminates the need to rotate the operating body when closing the door.
Since the light can be turned off simply by pulling the door, etc., many effects can be achieved, such as making it easier to operate the door and turn on and off the light.

In addition, in the lock device of the present invention, for example, the release tool 10 is
It is formed so as to be divided into two along the dashed line The locking tool 9 is
Instead of the above embodiment in which the lock rod 4 is directly latched, the lock 4 can also be held in the incompletely protruding position C by latching the second lever 20 in the backward tilted position. . Further, a first lever 19 and a second lever 20
The locking device of the present invention can be configured in various ways, such as being able to be configured so that the locking lever 4 is brought into contact with, for example, the triangular portion 29, 30 of the locking rod 4, unlike the rear edge of the elongated hole 31, and the locking rod 4 is moved. In particular, it can be suitably used as a locking device for an indoor door that partitions a room with only one occupant, such as a hand-washing room, from the outside. Furthermore, by providing the locking tool 81 with a lock that is locked using a so-called key, it can also be used for an external door that partitions indoors and outdoors.

[Brief explanation of the drawing]

Fig. 1 is a perspective view showing one embodiment of the present invention together with the state of use, Fig. 2 is a front view showing the lock body, Fig. 3 is its right side view, Fig. 4 is its left side view, and Fig. 5 The figure is a front view of the main body of the lock with the cover plate removed, and Figure 6 is its A.
-A sectional view, FIG. 7 is a BB--B sectional view, FIG. 8 is a C--C sectional view, FIG. 9 is a schematic exploded perspective view, and FIG. 10 is a front view showing the release tool. , Fig. 11 is a left side view thereof, Fig. 12 is a front view showing the locking device, Fig. 13 is a line diagram showing its action, Figs. 14 to 17 are a front view showing the action of the needle body, Fig. 18 is a diagram showing a closed door state when leaving the room. 1-Lock device, 3-Lock body, 4-Lock rod, 5-Stationary frame, 6--Socket plate, 7--First operating body, 8--Second operating body, 9--Register Stop, 9a-arm, i o-s
Excluding a, 10a・-timing count, 1
21 step part, 13 - locking part, 20 - second
lever, 54-noine, A.-full protrusion position,
B--door opening position, C--incomplete protrusion position, D--door. Patent applicant National Housing Industry Co., Ltd. Showa Lock Co., Ltd. Agent Patent attorney Tadashi Naemura': fi 4
DI No. 203 No. 30 Name “:121” I Fig. 13

Claims (1)

[Claims] (Claims for 11In) A lock body equipped with a lock lever that moves between a fully extended position and a door opening position by operating operating elements arranged on both sides of the door, and a stationary frame. The lock body includes a receiving plate into which the lock rod can be inserted, and a locking device that locks the lock rod at a partially extended position between the fully extended position and the door open position, and a locking member that locks the lock at a partially extended position between the fully extended position and the door open position. The locking device is provided with an M! remover that releases the locking tool by contact with the receiving plate accompanying the movement of the lock rod to the fully extended position. (2) The locking device The lock device according to claim 1, wherein the arm is biased toward the lock rod by a spring and includes a locking portion that locks onto a stepped portion provided on the lock rod. (3) The release tool is disposed on the side of the lock rod and is pushed inward, so that the locking part of the locking tool is removed from the step of the lock rod through a gap through a lever linked to the operating body. The locking device according to claim 1 or 2, which is a timing bolt.