JP3292806B2 - Door lock - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door lock having a sickle provided at the tip of a sliding door and engaging with a strike of a door frame when the door is closed.

[0002]

2. Description of the Related Art When a door is closed, a sickle is projected from a lock case while rotating, and a hook provided at the tip of the sword engages a strike of a door frame to temporarily lock a sliding door in a closed state. For details, see Japanese Utility Model Publication No. 58-9950,
There is a technique described in, for example, JP-A-11328. The structure of such an automatic temporary locking type door lock will be briefly described. As shown in FIG. 13, a sickle hole is formed in a front 2 which is a front wall of a lock case 1 embedded in an end surface of a sliding door D. 3 and a sensor hole 4 are provided, and the tip of the closed door sensor 5 is inserted into the sensor hole 4.

An intermediate portion of a lever 7 is pivotally attached to a shaft 6 provided in the lock case 1, a lower end of the lever 7 is engaged with the door closing sensor 5, a lever pin 8 is provided at an upper end, and the lever 6 is wound around the shaft 6. Since the turned spring 9 urges the lever 7 clockwise in FIG. 13, the tip of the door-closing sensor 5 is urged in a direction protruding from the front 2. A sickle 11 having an upper end pivotally attached to a shaft 10 provided in the lock case 1 has a hook portion 12 bent from the lower end and projecting forward, and a lever pin is provided in a cam hole 13 provided in an intermediate portion. 8 is inserted, and the hook portion 12 is urged by a spring 14 in a direction protruding from the sickle hole 3.

When the sliding door D is closed, the door closing sensor 5 hitting the door frame A is immersed against the urging force of the spring 9,
The lever 7 engaging with the door closing sensor 5 rotates counterclockwise about the shaft 6 as a fulcrum, and the sickle 11 engaging the lever pin 8 of the lever 7 rotates counterclockwise about the shaft 10 as a sickle. The hook 12 protruding from the gold hole 3 engages with the engagement hole 15 provided in the strike S, and then engages with the back surface of the strike S (see FIG. 14). Therefore, the sliding door D is temporarily locked at the same time as the door is closed, and when the handle (not shown) is operated, the temporary locking is released, and when the stopper 16 shown in FIG. 14 is operated, the main door is locked, and even if the handle is operated, the sliding door D cannot be opened. It is.

[0005]

When the tip of the door closing sensor 5 is pushed, the hook 12 of the sword 11 protrudes.
If the sliding door D is inadvertently closed in a state where the protruding portion is protruded, there is a problem that the inside of the Samakin 11 colliding with the strike S or the interior of the door lock receiving the impact of the Samakin is destroyed. In addition, as for indoor sliding doors or doors at the entrance where it is necessary to place importance on private, it is necessary to use a door lock that can easily perform the main locking operation from inside and outside of the sliding door. An object of the present invention is to solve such a problem.

[0006]

In order to achieve the above object, a door lock of the present invention is embedded in an end face of a sliding door, a hole for a sickle and a hole for a sensor are provided on a front side, and a bending point is provided on a side wall.
From the lower guide hole toward the hole
A lock case provided with a refraction-shaped hole formed by an upper guide hole extending toward the front, a door-closing sensor whose tip is inserted into the sensor hole so as to be able to protrude and retract, and pivotally attached to the lock case. A drive pin is provided, a cam plate at the other end with which the rear end of the door closing sensor abuts, and a sickle pin provided at one end are inserted into the bent hole, and a strike of the door frame is provided at the other end. engagement disengaging hook is provided, and Kamakin having a cam hole in which the drive pin is inserted, a sickle spring for biasing the sickle pin refraction point of the refractive shape hole, upper
Lock the cam plate with the lock angle and
Kampurin to urge the unlock angle to immerse the sickle gold
And the bending of the sickle pin pivotally attached to the lock case.
Prevents movement from the bending point to the lower guide hole in the shaped hole
Into a fully locked state and a provisionally locked state that allows its movement.
Comprising a lock plate which is respectively positioned, the said
When the sliding door is closed, the tip of the door
The cam plate rotates as it sinks in on the trike.
And the sickle pin connects the sickle pin via the drive pin.
Rotate as a fulcrum, and the hook projects from the hole for the sickle
Into the strike engagement hole, and in this state,
The lock plate is in the temporary lock state and the sliding door is pulled in the opening direction.
When the strike, the hook is pulled by the strike and the sickle pin
Is inside the bent shape hole against the urging force of the sickle spring
To move from the refraction point to the lower guide hole and drive pin
Pulls the sickle in the direction of immersion, the sickle turns,
The sickle part is immersed in the lock case by pulling,
The sickle pin becomes the refraction point in the refraction shape hole by the urging force of the ring
Return and project from the front sickle hole
When the hook of the sickle hits the strike, the hook is pushed
The sickle pin is bent to resist the urging force of the sickle spring
Move from the refraction point to the upper guide hole inside the sickle pin
With the fulcrum as the fulcrum, the sickle is immersed in the lock case.
Turns, the sickle pin is bent by the urging force of the sickle spring
It moves from the upper guide hole in the hole to the refraction point, and
Is rotated so that the sickle part is immersed in the lock case .

[0007]

The lock plate is provided with a sickle pin blocking projection which projects between the bending point of the bending shape hole and the lower guide hole at a locking angle with the pin hole, and moves up and down inside the case connected to the locking case. A movable plate is provided with a locking / unlocking pin engaged with a pin hole of the lock plate, and a chamber for driving and operating the slide plate in a vertical direction is provided on the indoor side wall and the indoor side wall of the case. The locking mechanism can be configured by providing the inside operation member and the outside operation member.

The indoor operation member may be a slide knob provided on the slide plate and operable from the indoor side. Alternatively, the indoor side operation member, a thumb turn rotatably provided on the indoor side wall,
A thumb-turn cam mounted on the thumb-turn and having a drive pin that raises and lowers the slide plate by the rotation of the thumb-turn.

The outdoor operation member is provided on a cylinder lock provided on a side wall on the outdoor side, and is provided on the slide plate when the cylinder lock is rotated by a locking / unlocking operation of the cylinder lock. Can be constituted by a cylinder cam that raises and lowers the engaged pin. Or,
The outdoor-side operation member is provided on the slide plate by an emergency plug rotatably inserted into the outdoor-side side wall, the emergency plug being fixed to the emergency plug, and being rotated by the emergency plug. It can be constituted by a plug cam that raises and lowers the engagement pin.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Referring to the drawings, an embodiment of the present invention will be described. FIG. 1 is a side view of a main part illustrating a sliding door opened and a door lock unlocked. As shown in FIG. 1, the lock case 20 embedded at the tip of the sliding door D
A front wall 21, which is a front wall, is located near the front end surface of the sliding door D. The front wall 21 has a sickle hole 22 and a sensor hole 23.

The tip of the door sensor 24 is inserted into the sensor hole 23, and the sensor pin 25, which penetrates and penetrates the door sensor 24, is inserted into the guide slot 2 provided in the lock case 20.
6 is inserted. Therefore, the door closing sensor 24 can move in the direction in which it comes out of the sensor hole 23.

A cam plate 28 pivotally attached to a shaft 27 erected on the inner surface of the lock case 20 has a driving pin 29 at its upper end.
Is provided at the lower end, and a contact surface 30 that contacts the rear end of the door closing sensor 24 is formed. A spring support protrusion 31 is provided on the left side of the cam plate 28, and both ends of the cam spring 33 are inserted between a spring support pin 32 provided on the back surface of the front 21 and the spring support protrusion 31. Accordingly, the cam plate 28 is biased to the unlocking angle shown in FIG. 1 and the locking angle shown in FIG.

The sickle pin 34 is provided with a sickle pin 3 provided at the upper end.
5 is inserted into the bent shape hole 36 provided in the lock case 20. The bent shape hole 36 is composed of a lower guide hole 36a extending from the bending point toward the sickle hole 22 and an upper guide hole 36b extending substantially upward from the bending point. Samakin 34
A hook portion 37 is formed at the lower end portion of the cam hole 38 so as to bend and project toward the hole 22 for the sickle metal, and a cam hole 38 bent in the shape of an "H" is formed at an intermediate portion. The drive pin 29 of the cam plate 28 is inserted.

The right end of the sickle spring 40 is supported by a spring support member 39 fixed to the inner surface of the lock case 20, and a U-shaped portion 40 a formed on the left end of the sickle spring 40 is engaged with the sickle pin 35. Therefore, the sickle pin 35 is urged to the bending point of the bending shape hole 36. Thus, a temporary locking mechanism that is automatically locked by closing the door is configured.

Next, a description will be given of a main locking mechanism for permanently locking the temporary locking mechanism in the order of the first embodiment shown in FIGS. 7 to 9 and the second embodiment shown in FIGS. 10 to 12. In the first embodiment, as shown in FIG. 8, a case 20 'connected to the lock case 20 has an outdoor side wall 20a and an indoor side wall 20b, and is provided with holes formed in the outdoor side wall 20a. The cylinder lock 41 is inserted and fixed, and the rear end of the rotor 42 inserted into the case of the cylinder lock 41 is formed on a non-circular shaft, and the cylinder cam 43 is mounted on the non-circular shaft.
3 is provided with two fan-shaped projections 44 (see FIG. 7) projecting from the outer peripheral surface.

On the indoor side wall 20b of the case 20 ',
A slide plate 45 that can move up and down along the inner surface of the side wall 20b is provided, and a slide knob 46 protruding from the surface of the slide plate 45 projects from a window 47 provided on the indoor side wall 20b. The slide plate 45 can be moved up and down by grasping the slide knob 46 from the outside (see FIGS. 8 and 9).

A locking / unlocking pin 48 is provided on the back surface of the lower end of the slide plate 45 (see FIG. 7).
Are inserted into a vertically long hole 49 of the lock case 20 and a pin hole 51 at the right end of the lock plate 50 described below (see FIG. 1). Above the locking / unlocking pin 48, an engaging pin 71 protruding from the back surface of the slide plate 45 is provided, and the tip of the engaging pin 71 is inserted between the two fan-shaped projections 44.

An intermediate portion of the lock plate 50 is pivotally mounted on a support shaft 52 provided in the lock case 20, and the lock plate 5
Numeral 0 is rotatable around the support shaft 52 as a fulcrum. At the unlocking angle at which the lock plate 50 is rotated clockwise, the locking / unlocking pin 48 contacts the lower end of the vertically long hole 49 (see FIG. 1), and at the locking angle at which the locking plate 50 is rotated counterclockwise, the locking / unlocking pin 48 is rotated. It contacts the upper end of the vertically long hole 49 (see FIG. 5). At the left end of the lock plate 50, a sickle pin blocking protrusion 53 projecting downward is formed. When the lock plate 50 is rotated to the locking angle, the sickle pin blocking protrusion 53 is formed at the lower guide hole portion 36a and the upper portion of the bent shape hole 36. It projects between the guide hole 36b (see FIG. 5).
reference).

A spring support projection 54 is provided at the upper right end of the lock plate 50, a spring pin 55 is provided on the inner surface of the side wall of the lock case 20, and a spring pin 55 is provided at one end of a lock plate spring 56. And the other end of the lock plate spring 56 is
(See FIG. 2). Therefore, the lock plate 5
0 is urged to the unlocking angle shown in FIG. 1 and the locking angle shown in FIG. Thus, the present locking mechanism of the first embodiment is configured.

In the strike S attached to the door frame A,
An engaging hole 57 into which the hook portion 37 of the protruding sword gold 34 is engaged is provided, and the back surface of the strike S guides the hook portion 37 engaged in the engaging hole 57 in a direction in which the engagement is released. Slope 5
8, 59 are provided (see FIG. 1).

The operation of the door lock constructed as described above is as follows.
The following description will be made with reference to FIGS. 1 to 9 in the order of opening the door, automatic temporary locking by closing the door, opening the door, closing the door with the sickle protruding, and locking and unlocking the locking mechanism. When the sliding door D is opened and the temporary locking mechanism is unlocked, the door closing sensor 24 protrudes from the front 21 and the cam plate 28 is in a position rotated clockwise around the shaft 27 (see FIG. 1).

The drive pin 29 is located in the middle of the cam hole 38, and the sickle pin 35 is pulled by the sickle spring 40,
The abutment 34 comes into contact with the refraction point of the refraction shape hole 36, and is immersed in the lock case 20. The lock plate 50 is at the unlocking angle shown in FIG.
5 is in a position not to hinder the movement.

When the sliding door D is closed, the door closing sensor 24 strikes the strike S on the side of the door frame A and sinks into the lock case 20, and the cam plate 28 pressed against the contact surface 30 by the door closing sensor 24 uses the shaft 27 as a fulcrum. Since the driving pin 29 of the cam plate 28 pushes the sickle 34 in a counterclockwise direction, the hook 37 is engaged with the strike S while the sickle 34 is rotated clockwise about the sickle pin 35 as a fulcrum. It is engaged with the hole 57 and approaches the back surface of the strike S (see FIG. 2). Accordingly, the door lock is automatically temporarily locked by closing the door, and the sliding door D
Is kept in the closed state.

When the sliding door D is pulled in the opening direction, the lock case 2
0 moves in the same direction, so that the sickle pin 35
6 to the end of the lower guide hole 36a. On the other hand, the drive pin 29 at the end of the cam hole 38 moves to the center of the cam hole 38 and pulls the sword bar 34 in the immersion direction.
4 is a sickle pin 35 moved to the end of the lower guide hole 36a.
(See FIG. 3).

With the rotation of the sickle pin 35 in the immersion direction, the cam plate 28 rotates clockwise about the shaft 27 as a fulcrum.
When the rotation of the cam plate 28 proceeds, the cam spring 33
As a result, the clockwise rotation of the cam plate 28 is promoted,
The cam plate 28 returns to the unlocked state of FIG. With the rotation of the cam plate 28 in the clockwise direction, the sickle pin 35 returns to the bending point of the bending hole 36, and the door is opened and unlocked in FIG.

When the sliding door D is opened and the temporary locking mechanism is unlocked, a hand or other object hits the tip of the door closing sensor 24, the door closing sensor 24 is immersed, and the sickle 34 projects. When the sliding door D is inadvertently closed, the sickle pin 34 at the position shown by the dashed line in FIG. 4 hits the strike S and is pushed rightward. From the part to the upper guide hole 36b against the sickle spring 40. At the same time, the sickle pin 34 is rotated about the sickle pin 35 moved to the rising end of the upper guide hole 36b to the position indicated by the solid line in FIG. 4, so that no shock is applied to the sickle pin 34.

When the sword gold 34 rotates in the immersion direction, the sword gold 3
4, the cam plate 28 rotates clockwise against the cam spring 33. When the hook 37 of the sword bar 34 overlaps the engagement hole 57 of the strike S, the sword bar 34 is pressed. The sickle spring 40 prevents the hook 3
7 is inserted into the engagement hole 74, and is brought into the temporary locked state shown in FIG. Therefore, even if the door is closed by projecting the kamagane 34,
4 is automatically provisionally locked without any impact.

In the temporarily locked state, the lock plate 50 is at the unlocking angle shown in FIG. 2, the sickle pin blocking projection 53 is retracted above the bent hole 36, and the locking and unlocking pin 48 is
Touches the lower end of In such a temporary locked state,
When a key is inserted into the key hole of the cylinder lock 41 from the outdoor side and rotated in the locking direction, the cylinder cam 43 rotates clockwise in FIG.
Pushes the engagement pin 71 at the lower position 71 ', and the engagement pin 71 is raised to the raised position 71 "(see FIG. 7).

When the engagement pin 71 rises, the engagement pin 71
The slide knob 46 integral with the lever also moves up to the locking position, and the slide knob 46 and the locking / unlocking pin 48 at one end also move up.
The lock plate 50 rotates counterclockwise about the support shaft 52 and is stabilized at the locking angle shown in FIG. 5 by the urging force of the lock plate spring 56. Lock plate 5
When 0 becomes the locking angle, the sickle pin blocking projection 53 descends to prevent the sickle pin 35 at the bending point of the bent shape hole 36 from moving to the lower guide hole 36a. Therefore, in this fully locked state, even if the sliding door D is pulled in the opening direction, the sword 34 is restrained from being immersed (see FIG. 5).
Is not performed and the door does not open.

In order to unlock the locked state by the cylinder lock 41, when the key inserted into the keyhole is rotated in the unlocking direction,
Engagement pin 71 with fan-shaped protrusion 44 at raised position 71 "
Is pushed downward, and the locking / unlocking pin 48 moves down together with the engaging pin 71, so that the lock plate 50 rotates clockwise to reach the unlocking angle shown in FIG. Return. The slide knob 46 also moves down to the unlock position.

In order to perform the main locking operation from the indoor side, the slide knob 46 is raised and the locking / unlocking pin 48 is raised. Since the fan-shaped projection 44 is at a position where it does not interfere with the raising and lowering of the engaging pin 71, the slide knob 46 can be operated independently of the cylinder lock 41.

At the time of locking, as in the case of unlocking, when the sliding door D is opened and the lock plate 50 is at the locking angle rotated in the counterclockwise direction, if the door is inadvertently touched, the door closing sensor 24 will be activated. Then, the cam plate 28 rotates counterclockwise about the shaft 27, and the sword 34 projects to the position shown by the chain line in FIG.

When the sliding door D is closed as it is, the sickle gold 34 is pushed by the strike S, and the sickle pin 35 located at the refraction point of the refraction shape hole 36 rises to the end of the upper guide hole 36b. The sickle gold 34 at the position indicated by the dashed line 6 rotates in the immersion direction with the raised sickle pin 35 as a fulcrum (see the solid line position in FIG. 6) and enters the lock case 20. Sakakin 34 and lock case 2 regardless of condition
The inside of 0 is not damaged.

Next, the locking mechanism according to the second embodiment shown in FIGS. 10 to 12 will be described. The emergency plug 60 is rotatably inserted into the outdoor side wall 20a, and the emergency plug 60 is inserted into the emergency plug 60. The outdoor plug cam 61 is mounted on the provided square shaft portion 60a (see FIG. 11). The thumb turn 66 is rotatably inserted into the indoor side wall 20b, and the thumb turn cam 72 and the indoor side plug cam 67 are mounted on the square shaft portion 66a provided on the thumb turn 66 (see FIG. 11).

The indoor side plug cam 67 has a case 20 '.
Arc-shaped holes 63 provided in the side walls 20b on the indoor side of the vehicle, into which the pins 62 are inserted;
4 and an engagement pin 73 are provided (see FIG. 10). The rotation angle of the indoor side plug cam 67 is regulated by the pin 62 inserted into the arc-shaped hole 63.

A slide plate 69 provided to be able to move up and down in the case 20 ′ is provided with a connecting pin 68 whose tip is inserted into the driving recess 64 and an unlocking pin 48 which is inserted into the pin hole 51 of the lock plate 50. Can be Therefore, when the indoor side plug cam 67 rotates, the driving recess 64 pushes the connecting pin 68 upward or downward, and the lock plate 50
Rotate to the locking angle and the unlocking angle.

The engagement pin 73 of the indoor side plug cam 67 is
It is inserted into a hole provided in the outdoor plug cam 61. Therefore, since the indoor side plug cam 67 and the outdoor side plug cam 61 rotate integrally, even if the emergency plug 60 is operated, the lock plate 50 can be rotated to the locking angle and the unlocking angle.

The structure of the lock plate 50 is the same as that of the first embodiment, and has a pin hole 51 and a sickle pin blocking projection 53.
It is pivotally attached to a support shaft 52. As shown in FIG. 12, since the square shaft portion 66a of the thumb turn 66 is inserted between the U-shaped thumb turn springs 70, the thumb turn 66 is urged to the locking angle and the unlocking angle.

The operation of the locking mechanism of the second embodiment constructed as described above will be described.
Is rotated to the locking angle or the unlocking angle, the outdoor-side plug cam 61 and the indoor-side plug cam 67 are rotated, the slide plate is moved up and down, and the lock plate 50 engaged with the locking and unlocking pin 48 is locked or unlocked. Then, as in the first embodiment, the main locking or the unlocking of the main locking is performed.

In the above description, the cylinder lock 41 and the slide knob 46 are used in the first embodiment as the outdoor operation member and the indoor operation member of the lock, and the emergency plug 60 and the thumb turn are used in the second embodiment. Although 66 is used, it is also possible to use an emergency plug 60 instead of the cylinder lock 41 of the first embodiment. It is also possible to exchange the outdoor-side operation member and the indoor-side operation member so that they can also be used for the opposite sliding door D.

[0042]

Since the present invention is configured as described above, it has the following effects. (1) The door lock of the present invention is automatically provisionally locked simply by closing the sliding door, and is unlocked simply by opening the sliding door, so that the operation is simple and convenient. (2) Even if the sliding door is closed with the sickle metal protruding, the sickle metal rotates while immersed in the lock case without being impacted, and when the hook of the sickle metal overlaps the engagement hole of the strike again. Since it protrudes and engages the strike, there is no problem that the sickle and the door lock are damaged. (3) The door lock according to the present invention can be added to a temporary locking mechanism and a main locking mechanism, so that it can be attached to a sliding door in a room where importance is placed on privateness or a sliding door at an entrance.

[Brief description of the drawings]

FIG. 1 is a side view of an essential part for explaining a state where a sliding door is in an open state and a door lock is in an unlocked state.

FIG. 2 is a main part side view for explaining a state in which the door lock is automatically temporarily locked by closing the door.

FIG. 3 is a main part side view of the door lock for explaining an unlocking operation of the temporarily locked door lock.

FIG. 4 is a side view of a main part of the door lock for explaining a state in which a sickle hitting a door frame is immersed.

FIG. 5 is a main part side view for explaining a fully locked state of the door lock.

FIG. 6 shows that the sickle gold protrudes and is fully locked when the sliding door is open,
It is a principal part side view explaining operation | movement at the time of closing a door.

FIG. 7 is a side view of the locking mechanism viewed from the outdoor side.

FIG. 8 is a vertical sectional view of the locking mechanism.

FIG. 9 is a side view of the locking mechanism as viewed from the indoor side.

FIG. 10 is a side view of the internal structure of the locking mechanism of the second embodiment.

FIG. 11 is a longitudinal sectional view of the locking mechanism of the second embodiment.

FIG. 12 is a drawing of a thumb turn spring.

FIG. 13 is a side view of a relevant part showing an unlocked state of a conventional door lock.

14 is a main part side view showing a state where the door lock of FIG. 13 is automatically temporarily locked.

[Explanation of symbols]

 D Sliding door S Strike 20 Lock case 20 'Case 21 Front 22 Hole for sickle gold 23 Sensor hole 24 Closed door sensor 28 Cam plate 29 Drive pin 30 Contact surface 34 Kamakane 35 Sickle pin 36 Refracted shape hole 37 Hook 38 Cam hole 41 Cylinder Lock 42 Rotor 44 Fan Shape Projection 45 Slide Plate 48 Locking / Unlocking Pin 50 Lock Plate 51 Pin Hole 52 Support Shaft 53 Sickle Pin Inhibition Projection 56 Lock Plate Spring 60 Emergency Plug 61 Outdoor Plug Cam 64 Drive Recess 66 Sum Turn 67 Chamber Inner plug cam 69 Slide plate 71, 73 Engagement pin 72 Thumb turn cam

──────────────────────────────────────────────────続 き Continuation of the front page (56) References Japanese Utility Model Sho 55-107567 (JP, U) Japanese Utility Model Sho 62-16657 (JP, U) Japanese Utility Model Sho 61-168263 (JP, U) Japanese Utility Model Sho 54- 28691 (JP, U) JP-A 54-123994 (JP, U) JP-A 58-9950 (JP, Y2) (58) Fields investigated (Int. Cl. ⁷ , DB name) E05B 65/08 E05C 3 / 00

Claims (6)

(57) [Claims] 1. A sliding door buried in an end face, a front hole for a sickle and a hole for a sensor are provided in a front, and a sword in a side wall from a bending point.
It extends almost upward from the lower guide hole toward the use hole and the refraction point.
A lock case provided with a refraction-shaped hole formed by an upper guide hole portion, a door-closing sensor having a distal end inserted into the sensor hole so as to be able to protrude and retract, and a drive pin at one end pivotally connected to the lock case. At the other end, a cam plate with which the rear end of the door closing sensor contacts, and a sickle pin provided at one end are inserted into the bent hole, and the other end is engaged with the strike of the door frame. A sickle having a cam hole provided with a detachable hook portion and into which the drive pin is inserted; a sickle spring for urging the sickle pin toward a bending point of the bending shape hole ;
The rate, the locking angle that makes the above-mentioned
A cam spring that urges the unlock angle to immerse
Pivotally attached to the lock case, inside the bent shape hole of the sickle pin
This lock prevents movement from the bending point to the lower guide hole at
State and the provisional lock state that allows its movement.
A lock plate to be fixed, and when the sliding door is closed, the tip of the door closing sensor is raised.
Immerse yourself in the strike, and the cam plate rotates
And the sickle gold is moved through the drive pin.
The hook part projects from the sickle hole.
The lock plate is in a temporary lock state in this state, and is engaged with the engagement hole of the strike .
When the sliding door is pulled in the opening direction, a strike causes a hook
The sickle pin resists the urging force of the sickle spring
Move from the refraction point to the lower guide hole in the refraction shape hole
And the drive pin pulls the sword in the direction of immersion.
Rotates, and the cam spring causes the sickle to lock the lock case.
The sickle pin is bent by the force of the sickle spring.
The hook of the sickle that returns to the bending point in the folded hole and projects from the sickle
When colliding with a trike, the hook is pushed and the sickle pin is sickled.
From the refraction point in the refraction shaped hole against the urging force of the spring
Move to the upper guide hole and use the sickle pin as a fulcrum
The sickle rotates so that the part is immersed in the lock case,
The sickle pin guides the upper part in the bent hole by the urging force of the ring
As it moves from the hole to the refraction point, the sickle rotates and the sickle
There door end lock, characterized by being configured to retracted into the lock case. 2. The lock plate has a pin hole and a locking angle.
The refraction point of the refraction shape hole and the lower guide hole portion in degrees
Between the lock case and the lock case
Slide that can be moved up and down in the case connected to
The solution that engages the pin hole of the lock plate with the plate
A lock pin is provided, and the indoor side wall and the indoor side of the case are provided.
Operate the slide plate vertically on the side wall.
The door lock according to claim 1 , further comprising an indoor operation member and an outdoor operation member . 3. The indoor side operation member is provided with a slide slide.
A slide knob that can be operated from the indoor side provided on the rate
Door end tablet according to claim 2, characterized in that. 4. The indoor-side operation member is provided on the indoor side.
A thumb turn rotatably provided on a wall, and the thumb turn
Is mounted on the slide press by the rotation of the thumb turn.
And a thumb turn cam having a drive pin
Door end tablet according to claim 2, characterized in that more composed. 5. The outdoor-side operation member is provided on the outdoor side.
The cylinder lock provided on the wall and the rotor of the cylinder lock
When it is fixed and turned by the locking / unlocking operation of the cylinder lock
Up and down the engaging pin provided on the slide plate
Contractor characterized by comprising a cylinder cam
The door end lock according to claim 2 . 6. The outdoor-side operation member is provided on the outdoor-side side.
An emergency plug rotatably inserted into the wall,
The emergency plug is fixed to the emergency plug.
Provided on the slide plate by rotation of the plug
The door lock according to claim 2 , comprising a plug cam that raises and lowers the engaging pin .