JPH0350070B2 - - Google Patents

Description

[Detailed Description of the Invention] [Technical Field] The present invention is provided with a locking device capable of locking a lock lever in an incompletely protruded position, and the locking device can be locked even by natural pushing and pulling operations of an operating lever. The present invention relates to a locking device that can be engaged and detached, diversifies the uses of the door, and makes it convenient to open and close the door.

[Background technology]

BACKGROUND ART Conventionally, box locks have been frequently used which have a lock lever for full tightening and a lock lever for so-called dry tightening to prevent the door from opening accidentally due to wind or the like. In addition, as a device that uses such a box lock to turn on and off electric appliances such as lighting equipment, for example, Jikosho
No. 41-8518 has been proposed.

However, in this case, when the door is locked using a key from outside, the protruding length of the lock lever for final tightening is longer than when using a hand lock using a thumb turn or the like from inside the house. said on,
is configured to turn off.

As described above, in this proposal, the lock lever has two positions, the open position and the protruding position, depending on the hand lock, and the open position and the protruding position of the hand lock, when using the key lock. The lock lever is configured to move between two positions with a larger protrusion position and to remain stationary at each of the two positions. In addition, in this proposal, when there is no need to lock the door, the lock lever for empty locking prevents the door from opening due to wind or the like. Therefore, in the above proposal,
In addition to the key, thumb turn, etc. that operate the lock lever for full tightening, an operating body such as a handle that operates the lock lever for empty tightening is required. Furthermore, in the above-mentioned proposal that uses a lock for final tightening to turn on and off electric appliances, when the lock for idle tightening is not used, when closing the door, it prevents the door from opening due to wind, etc., and maintains the door closed. In order to do this, it is necessary to operate an operating body such as a key or a thumb turn not only when opening the door but also again to project the lock lever.

[Purpose of the invention]

The present invention uses a lock lever for idle tightening that is always biased toward the protruding side, rather than a lock lever for full tightening, and can lock the lock lever in an incompletely protruding position. The later position of the lock lever can be changed, and the lock can be released by rotating the door operating lever in a plane perpendicular to the door surface, allowing natural operation of the door. The purpose of the present invention is to provide a locking device that can be useful in forming an automatic lighting/extinguishing device by opening and closing a door.

[Disclosure of the invention]

In the figure, the lock device 1 consists of a lock body 2a attached to the door D and a receiving plate 2b attached to the stationary frame F.
The lock body 2a is provided with a lock rod 11, a locking tool 7, and a release tool 9.

In this embodiment, the lock body 2a includes a text part 2a1 that is fitted into the front end surface of the door D, and exterior parts 2a2 and 2a3 that are attached to both sides of the door D.
has a case 14 provided with a flat housing section on the back of the front 13.

The lock rod 11 has a tip portion which is cut off obliquely on the outer surface, that is, the side that abuts against the receiving plate 2b when the door D is closed, and a locking portion 25 is provided on the lower surface of the rear end. Further, the lock rod 11 has triangular protrusions 95 and 96 tapered toward the tip at the rear thereof, and its outer surface.
It protrudes from the inside surface. Further, the lock rod 11 is provided with a guide groove 22 passing through its outer and inner surfaces. Further, in the tip portion 11a, a buffer material 5 made of synthetic resin, rubber, etc. is fixed to a groove 5a that includes the slope and extends to the guide groove 22.

Further, first and second levers 19 and 20 are raised on both sides of the lock rod 11, and a locking tool 7 is arranged below the lock rod 11. The first and second levers 19 and 20 have boss portions 29 arranged concentrically,
30, each of which is non-rotatably mounted. Further, when the first and second levers 19 and 20 are tilted backward, the upper ends push the protrusions 95 and 96, so that the lock rod 1
1 to the full protrusion position A where the entire length to be protruded is
, move the door D to the opening position B where it can be opened,
Further, the locking rod 11 is moved to the fully extended position A by the spring at the rear end (shown in FIGS. 4 and 5) as the first lever 19 is tilted forward, and in this way, the locking rod 11
can move back and forth.

The locking tool 7 consists of an arm, with side pieces 101 and 102 hanging down on both sides of the upper piece 100, and the tip thereof supported by the case 14. Further, the side piece 101 is provided with a rectangular locking hole 161 in an extension extending downward. Furthermore, the side piece 101 has a raised portion 104 whose rear surface is an arc and whose upper surface is formed into a slope that gradually becomes lower toward the front 13 side. The locking tool 7 is urged upward by a spring, and its rear end engages with the locking portion 25 of the lock rod 11. As a result, as shown in FIG.
It can be held with The protrusion 104 of the locking tool 7 is formed by a pin-shaped protrusion 62 provided at the upper end of the first lever 19.
As shown in Figure 6,
It separates from the locking part 25 of the locking rod 11. Note that the protruding piece 62
can push down the protrusion 104 when the lock rod 11 is located near the incompletely protruding position C. Therefore, the first lever 19 allows the lock rod 11 to freely reciprocate without being held at the incompletely extended position C.

The exterior parts 2a2 and 2a3 include first and second operating levers 3 and 4. The first and second operating levers 3 and 4 have protrusions 134 and 13 concentric with the boss portions 29 and 30 provided on the exterior portions 2a2 and 2a3.
5. The second operating lever 4 has a support shaft rotatably supported at the center of the protrusion 135, and this support shaft is fitted into and locked into the boss 30. The first operating lever 3 has one end fixed to the sphere 151 within the protrusion 134, and the other end is provided with a handle 3b parallel to the surface of the door D.

A locking groove 152 having a depth reaching the center is formed on the opposite surface of the ball 151 . The locking groove 152 has a support shaft 1 connected to the rotation center of the first lever 19.
54 is inserted. The support shaft 154 passes through the center of the ball 151 and is tiltably supported by pins 155 that protrude from the outer surface of the ball 151 at both ends. Also pin 155
Bearing pieces 158 and 15 fit into circumferential grooves 157 provided above and below the cylindrical tube portion 134 in the circumferential direction.
8, the first operating lever 3
When the handle 3b is pulled, the pin 15
It can be rotated in a plane perpendicular to the plane of the door by the rotation of 5. Further, the first operating lever 3 can be rotated in a vertical plane parallel to the surface of the door D by moving the bearing pieces 158, 158 supporting the pin 155 in the circumferential groove 157. Note that when the first operating lever 3 is rotated in a plane perpendicular to the plane of the door D, it can be rotated in a vertical plane that is not parallel to the plane of the door D.
In this way, the first operating lever 3 can rotate at least within a vertical plane perpendicular to and parallel to the plane of the door D. The ball 151 also has an arcuate groove 1 on its side.
A winglet 160 having 59 is provided. Locking tool 7
has a locking hole 161 in its side piece 101 as described above.
is provided. The locking hole 161 has a connecting piece 16
A downwardly protruding portion 146 provided at the tip of 4 faces. The other end of the connecting piece 164 passes through the arcuate groove 159, and by providing protrusions on both sides of the wing piece 160, the other end of the connecting piece 164 and the wing piece 160 can be engaged with each other with a variable intersecting angle. It matches. Further, the connecting piece 164 is appropriately supported so as to be movable only in the front-back direction perpendicular to the surface of the door D, so that the first operation lever 3 can be rotated within the plane perpendicular to the door D by pulling the handle 3a. By doing so, the wing piece 160
However, the connecting piece 164 can be advanced toward the locking tool 7 at right angles to the surface of the door D. Also, the wing piece 16
0 can rotate within a notch 166 provided in the protrusion 134.

Therefore, the first operating lever 3 can tilt the first lever 19 by rotating the handle 3b in a vertical plane. When the handle 3b is pulled, the connecting piece 164 moves forward as described above, and the bulging portion 146 at its tip pushes down the locking tool 7, thereby releasing the locking rod 11 from the locking tool 7.

In this way, the connecting piece 164 engages with the first operating lever 3 via the wing piece 160, etc., and is assembled by operating the first operating lever 3, so that the locking rod 11 is engaged with the locking tool 7. A release tool 9 is formed to release the lock and project the lock rod 11 to the fully extended position A.

Further, the connecting piece 164 moves from one end of the arcuate groove 159 to the other end as the first operating lever 3 rotates. Further, the first and second operating levers 3 and 4 are connected to boss portions 29 and 30 via support shafts. Therefore, the first and second operating levers 3 and 4 can tilt the first and second levers 19 and 20.

The action will be explained below.

When the door is closed and the space R2 is empty, the lock lever 11
presses the control tool S as shown in FIG. 1, the electric circuit connected to the control tool S is opened, and the person entering the room enters the space R2 from the space R1.

Next, when the first operating lever 3 is rotated upon entering the room, the first lever 19 is tilted backward via the support shaft.
As a result, the lock rod 11 is moved back to the door opening position B, as shown in FIG. 6, and the door can be opened. Also, control tool S is ON
be done. As described above, the locking rod 11 and the locking tool 7 do not engage with each other because the protruding piece 62 pushes down the protrusion 104 of the locking tool 7. Therefore, by releasing the first operating lever 3, the lock rod 11 is moved to the fully extended position A.
You can stand out. After entering space R2, press door D. When the lock rod 11 comes into contact with the receiving plate 2b and is just before the door is closed, the lock rod 11 is in the door opening position B, as shown in FIG.
It is pushed inside to the vicinity. However, the first lever 1
9 is not tilted, so the protruding piece 62 is located away from the raised portion 104. Therefore, as the door closes, the lock 1
1 enters the locking hole 17, when it moves forward,
The locking portion 25 of the lock rod 11 is locked to the locking tool 7.
Therefore, the lock rod 11 is held in the incompletely extended position C as shown in FIG. 7, and continues to close the electric circuit.

In this way, the lock rod 11 can be held at the incompletely protruding position C by simply pushing the door D, for example, without operating the second operating lever 4. It is clear that even if the second operating lever 4 is rotated, it can be similarly locked at the incompletely protruding position C.

When leaving the room, the second operating lever 4 moves the lock rod 11 back to the opening position B via the second lever 20 to open the door. The lock rod 11 is located at the incompletely protruding position C even when the hand is released after opening the door.
Next, by pulling the first operation lever 3 after leaving the room, the connecting piece 164, that is, the bulging portion 146 of the release tool 9 pushes down the locking tool 7.
can be disengaged. Therefore, when the door is closed and the user releases his/her hand, the lock rod 11 is extended to the fully extended position A. As a result, the state returns to the standard state shown in FIG. Note that even when the first operating lever 3 is rotated instead of pulling the first operating lever 3, the protruding piece 62 of the first lever 19 can push down the locking tool 7, and the locking lever 11 can be returned to the fully extended position A.

〔Effect of the invention〕

As described above, the locking device of the present invention includes a lock that is held by a latch in a partially extended position between a fully extended position and a door opening position, and has a lock that is perpendicular to the surface of the door of the operating lever. The locking device can be locked and unlatched by rotation within the plane, and the lock can be operated without error with the same feeling as a normal lock operation, improving ease of handling. In addition to the lock main bodies shown in the embodiments, various other lock bodies can be used as long as they have a lock rod that is locked in an incompletely protruded position. Further, a plurality of incompletely protruding positions can be provided.

[Brief explanation of drawings]

Fig. 1 is a perspective view showing one embodiment of the present invention;
3 is an exploded perspective view showing the main parts, FIG. 4 is a front view, FIG. 5 is a cross-sectional view, and FIGS. 6 to 8 are line diagrams showing the operation. 2a... Lock body, 2b... Receiving plate, 3... First operating lever, 4... Second operating lever, 7... Locking tool, 9... Release tool, A... Fully protruding position, B...
...Door opening position, C...Incomplete protrusion position, D...Door,
S...control tool.

Claims (1)

[Claims] 1. A lock body having a lock lever that moves between a fully protruding position where the door protrudes from the door and an open position where the door can be opened;
The lock body includes a receiving plate that is attached to a stationary frame and into which the lock rod is inserted, and a spring that urges and moves the lock rod toward the protruding side, and a spring that is arranged on one side of the door and that extends at least from the surface of the door. a first operation in which the lock lever can be rotated in a plane perpendicular to the plane and in a vertical plane parallel to the plane of the door, and the lock lever is moved from the fully extended position to the door open position by the rotation operation in the vertical plane; a lever, and a second operating lever that is attached to the other side of the door and on the same center line as the first operating lever, engages the locking lever, and moves the locking lever from the fully extended position to the door opening position when operated. an operating lever, and a locking device that locks the lock at an incompletely extended position between the fully extended position and the open door position during the return stroke of the lock from the open position to the fully extended position by the spring. and the first operating lever is engaged with the first operating lever so as to be able to move back and forth in a direction perpendicular to the surface of the door by rotating the first operating lever in a plane perpendicular to the surface of the door. The locking device is provided with a release tool for releasing the locking of the locking rod, and the locking rod has the side that abuts the receiving plate cut off diagonally.