JPH0372794B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention provides a manual operation unit consisting of a cylinder lock, thumb turn, etc. for locking and unlocking a locking rod provided on the sliding door side or door frame side, and the locking rod is attached to the sliding door side. Electric operation parts consisting of solenoids, motors, etc. for locking and unlocking are provided separately on the door frame side, and when the door is closed, each operation part is connected, so that no matter which operation part is operated, the locking lever will not change. This invention relates to an electric lock for sliding doors that can be equally locked and unlocked.

Hereinafter, the specific configuration of the present invention will be explained with reference to the illustrated embodiments.

That is, 1 is a casing attached to the door frame of a sliding door, and a front plate 2 having a recess 2 ₁ in the center thereof into which a protrusion of a receiving metal fitting to be described later fits is fixed.
Reference numeral 3 designates a trigger bolt which is fitted into the lock case and is always urged by a spring ₃₁ to protrude from the front plate 2, and has lock teeth ₃₂ ... ₃₂ formed on its lower surface. 4 is a sickle-shaped locking rod formed with teeth 4 ₁ ... 4 ₁ that mesh with the rack teeth 3 ₂ ... 3 ₂ , and is pivotally supported on the side plate 1 ₁ of the lock case by a shaft 4 ₂ , and the trigger bolt 3 is pressed. When the lock case is pushed back into the lock case, the sickle part 4
₃ is configured to rotate and protrude. 5 is guided by guides 1 ₂ , 1 ₃ and guide holes 1 ₄ provided on the side plate ₁ 1 and is connected to the shaft 6 of a thumb turn (not shown).
The locking piece is a locking piece that slides up and down due to the vertical movement of the locking rod, and when it is raised, it intersects with the rotation locus of the locking rod, and when the locking rod 4 rotates and protrudes, it engages with the locking rod and prevents the locking rod from retreating. conduct. The shaft 6 of the thumb turn is engaged with a connecting plate that moves up and down by the operation of a cylinder lock (not shown), and the connecting plate is engaged with the cylinder lock in the middle of rotation when the plug rotates. When the plug is rotated to its normal position, the engagement between the plug and the connecting plate is disengaged, so that the shaft 6 can be used while the plug of the cylinder lock is in a fixed state. Since this means is a common means in the technical field of locks, a detailed description of the structure will be omitted. Reference numeral 7 denotes a receiving fitting for the locking rod 4 which is attached integrally with the casing 8 to the door frame at a position opposite to the front plate 2 of the lock case 1, and the center part is fitted into the recess ₂₁ of the front plate 2. The edge of the door frame is dug in so that it is flush with this protrusion, and the door frame has a groove formed above and below so that the edge of the door frame fits into it. . Reference numeral 9 denotes a latching solenoid installed in the casing 8 in which the plunger ₉₁ repeatedly protrudes and retracts each time electricity is applied, and has a structure in which the plunger 91 maintains the protruded or retracted state with a certain amount of resistance. Reference numeral 10 denotes a slider attached to the plunger ₉₁ , which slides up and down by the operation of the solenoid 9. Reference numeral 11 denotes a connecting device that connects the locking piece 5 and the slider 10 when the sliding door is closed, and is composed of a pair of connecting members 11 _A and 11 _B , each having teeth 11 ₁ ... 11 ₁ that mesh with each other when pressed. , one is attached to the locking piece 5 and the other to the solenoid 9. In addition, 12 _A and 12 _B in the figure are micro switches for checking the closed and locked states, respectively, and there is a spring 1 inside the casing 8.
When the trigger bolt 13, which is energized by 3 ₁ and fitted so as to always protrude, is pushed back by the front plate 2, the contact of the micro switch _12A is pressed and closed, and a confirmation signal for closing the door is sent. At the same time as the trigger bolt 13 protrudes, the slider 10, which is partially engaged with the trigger bolt 13 and prevented from rising, becomes free, and when the slider 10 rises, the connecting member 11 is attached to the slider 10. The contact point of the micro switch _12B is pressed by the head of the screw ₁₀₁ to close the circuit and issue a confirmation signal that the slider has been raised, that is, that it has been locked.

Next, in accordance with the above structure of the present invention, specific usage and effects of the electric lock of the present invention will be explained with reference to the illustrated embodiments.

That is, when the sliding door shown in FIG. 1 is open, the trigger bolt 3 protrudes due to the restoring force of the spring ₃₁ , and the teeth ₄₁ of the locking rod 4 mesh with the lock teeth ₃₂ ... ₃₂ . ...4 ₁ is given a clockwise rotational force, the locking rod 4 is retracted into the lock case 1, and the locking piece 5 is moved to a position that does not intersect with the rotation trajectory of the locking rod 4 by manual or electric operation. is descending to

Therefore, when the sliding door is closed, the recess 2 ₁ of the front plate 2
The protrusion of the bracket 7 is inserted into the protrusion, and the trigger bolt 3 is pushed back by a part of the protrusion, and the locking rod 4 is pushed back.
is rotated counterclockwise to rotate and protrude out of the casing 1, and is fitted into the casing 8 through the insertion hole 71 of the mating bracket ₇ , and the sickle portion ₄₃ is inserted into the casing 7.
At the same time as the connecting member 11 _A , 1 reaches the engagement position with the
The teeth 11 ₁ ... 11 ₁ of 1 _B engage with each other, and the sliding door is closed as shown in Fig. 2. If you pull the sliding door in the opening direction in this state, the trigger bolt 3 will release the spring 3.
The locking rod 4 is protruded with a restoring force of ₁ , and the locking rod 4 is rotated clockwise, and the engagement position with the receiving metal fitting 7 is disengaged, so that the locking rod 4 returns to the open state shown in FIG.

When the sliding door is closed as shown in FIG. 2, when the locking piece 5 is raised by pushing up the shaft 6 by operating the cylinder lock or thumb turn, the upper end of the locking piece 5 intersects with the rotation locus of the locking rod 4, and the locking rod is moved upward. In order to prevent backward rotation of the sliding door 4, even if an attempt is made to pull the sliding door in the opening direction, the sickle portion ₄₃ engages with the receiving fitting 7, resulting in a so-called locked state in which the sliding door cannot be opened. When the locking piece 5 rises, the slider 10 also rises together via the connecting member 11, and the plunger ₉₁ of the latching solenoid 9 is retracted, but the internal mechanism maintains the lever state with a constant resistance. Therefore, the slider 10 and locking piece 5 maintain the raised state, and the locked state is maintained. To unlock the lock, the shaft 6 is pulled down against the holding force of the plunger ₉₁ by operating the cylinder lock or thumb turn, and the locking piece 5 is lowered.

The locking and unlocking operations described above were manual operations using a cylinder lock or a thumb turn, but the locking and unlocking operations are the same when the solenoid ₉ is energized. slides up and down, and in conjunction with this, the locking piece 5 slides up and down to perform locking and unlocking operations.

The first embodiment shown in FIGS. 1 to 3 above was provided with a locking rod 4 on the casing 1 on the sliding door side, that is, on the manual operation part side, but the embodiment shown in FIGS. 4 to 5 The locking rod 4 is provided in the casing 8 on the door frame side, that is, on the electric operation part side, and the receiver 7, locking piece 5, and slider 10 can be used by replacing them, and the functions and effects are exactly the same. . Further, the connection device 11 may be the one of the first embodiment, but as another embodiment, the protrusion 11 ₂
A connecting device composed of _a connecting member 11 _A provided with a connecting member 11 A and a connecting member 11 _B provided with a recess 11 ₃ into which the protrusion 11 2 fits may be used. In this case, the mounting position of the casings 1 and 8 may be In the one shown in Fig. 4, the width of the recess 11 ₃ is made sufficiently larger than the protrusion 11 ₂ so that the connected state is maintained even if the slider 10 is _slightly shifted upward or downward _. The slider 14 shown in FIG. 5 has another slider 14 having an opening 14 ₁ having the same width as the vertical width of the protruding portion of the front plate of the casing 8, and a spring 14 ₂ . 14 ₂ is held in a neutral position, and the slider 10 is attached to this slider 14 so that it can freely slide up and down.
When the protruding part of the front plate fits into the opening 141 of the slider 14, the slider ₁₄ , that is, the slider 1
0 automatically corrects and slides upward and downward, and protrusion 11 ₂
The concave portion 113 is made to coincide with the concave portion ₁₁₃ .

Furthermore, in the first embodiment, the locking rod 4 is rotated and protruded at the same time as the door is closed.
As shown in Fig. 6, a locking rod used in a normal sickle lock, which repeats rotational protrusion and rotational retraction by the upward and downward movement of the locking piece 5, may be used; The rod 4 has a shaft shape with protrusions 4 ₄ , 4 ₄ at the tip, and the rear end is rotatably supported on the front and rear plates of the casing 1, and the tip protrudes from the front plate. , the seventh hole drilled in the bracket 7
After fitting into the deformed hole 7 ₂ as shown in Figure b, the locking rod rotates due to the rotation of the pinion 4 ₅ that meshes with the rack 5 ₁ provided on the locking piece as the locking piece 5 rises, and the protrusion 4 ₄ , 4 ₄ may be engaged with the receiving metal fitting 7 to lock the locking rod.

In addition, as an embodiment of the coupling device 11 other than those shown in FIGS. 1 to 5, as shown in FIG.
Gear-shaped connecting members 11 _A and 11 _B are pivotally connected to the locking pieces 5 and 11 B, respectively, and the connecting members 11 _A and 11 _B are engaged with racks 5 ₂ and 10 ₃ provided on the locking piece 5 and the slider 10 to lock them. It is configured to rotate in conjunction with the king piece and slider, and when the door is closed, the teeth of the connecting members 11 _A and 11 _B mesh with each other, and the locking piece is moved through the connecting members 11 _A and 11 _B. 5 and the slider 10 are connected. In addition, if it is inconvenient for the connecting member to constantly protrude outside the casing,
As shown in the figure, one of the connecting members _11A is a retractable type,
When the door is closed, the sickle-shaped trigger bolt 15 may be reversed to protrude, and as shown in FIG. Rack 5 provided at 5
The _rear end of a shaft-shaped connecting member _11A provided with a pinion ₁₁₄ that meshes with the casing 1 is rotatably supported on the front and rear plates of the casing 1, and a pinion ₁₁₅ is also provided on the tip portion protruding from the front plate 2. A structure may be adopted in which the slider 10 is provided with a rack-shaped connecting member 11 _B that engages with the connecting member 11 B. Although not shown, for example, one of the connecting members is made of a permanent magnet or an electromagnet, and the other connecting member is made of iron or the like. The connecting device may be made of a ferromagnetic material and use its attractive force to connect the two connecting members. In other words, its structure does not matter.

Furthermore, the solenoid of the electric operation part is a latching solenoid in the illustrated embodiment, but since the plunger is held in the protruding and retracted states with a certain resistance, this holding force is used to lock the plunger. The purpose is to maintain the rising and descending state of the king piece, and if the locking piece or slider is provided with a mechanism that maintains this rising and falling state with a certain amount of resistance, it can be used as a normal solenoid. This purpose can be achieved by using two solenoids, one for raising and one for lowering, and the type of solenoid does not matter.

It is also possible to use a reversible motor instead of a solenoid and convert the rotational movement of the motor into linear or circular arc movement of the locking piece or slider using a mechanism such as a rack or pinion for locking and unlocking.

As described above, according to the electric lock for a sliding door according to the present invention, the manual operation part consisting of a cylinder lock, thumb turn, etc. for locking and unlocking the locking rod provided on the sliding door side or the door frame side is attached to the sliding door side. In addition, an electric operation unit consisting of a solenoid, a motor, etc. for locking and unlocking the locking rod is provided separately on the door frame side, and
When the door is closed, each operating section is connected by a connecting device, so no matter which side of the operating section is operated, both operating sections operate as one, and the mounting position of the locking member is fixed. Regardless of whether it is on the sliding door side or the door frame side, it can be locked and unlocked independently using the manual operation part from the sliding door side and the electric operation part from the door frame side. If you just want to improve a known sliding door lock to an electric lock, you can use a cylinder lock, thumb turn, etc. to operate the locking lever.
The lock lever can be attached to the manual operation section for unlocking by operating a solenoid, and the electric operation section for unlocking the lock can be incorporated into the manual operation section, but in the case of this electric lock, the manual operation section and the electric operation section are Because it is integrated, if it is installed on the sliding door side, the lead wire for energizing the solenoid must be connected to the sliding door side, which is the movable part, which is prone to disconnection and lacks reliability. If it is installed on the frame side, there will be no disconnection accidents, but the manual operation part is also moved to the door frame side, which is inconvenient as the manual locking and unlocking operations and the opening and closing operations of the sliding door must be performed separately. However, according to the electric lock according to the present invention, the manual operation part is on the sliding door side, which is a movable part, and the electric operation part is fixed, regardless of the mounting position of the locking rod. Since they are provided separately on the door frame side, it is convenient to open, close, lock, and unlock the sliding door in a series of operations when manual operation is required.
It is easy to wire the power supply to the electric operation part, there are no disconnection accidents, there are few failures, and even if a failure occurs, each part needs to be inspected separately, so it is easy to find the failure location. It can be effective.

In addition, in this embodiment, the locking and unlocking operations using the manual or electric operation unit are specifically performed by the vertical linear movement of the locking piece or slider, but there are other locking levers. Of course, the movement may also be performed by swinging or arcuate movement of the piece or slider.

[Brief explanation of drawings]

The drawings illustrate embodiments of the present invention, and FIG. 1 is a longitudinal sectional side view of the electric lock of the present invention with the sliding door in the open state, and FIG. 2 is a longitudinal sectional side view of the same with the sliding door in the closed state. Figure 3 is a vertical side view of the same in the locked state, Figures 4 and 5 are vertical side views showing an embodiment in which the locking rod is provided on the door frame side and the structure of the connecting device is changed, and Figures 6 and 7 are side views of the same. FIGS. 8, 9, and 10 are longitudinal sectional side views of essential parts showing an embodiment in which the structure of the locking member is changed. FIGS. 1... Casing, 2... Front plate, 3... Trigger bolt, 4... Locking rod, 5... Locking piece, 6... Shaft, 7... Bracket, 8... Casing, 9... Latch ng solenoid, 10...slider, 11...coupling device.

Claims (1)

[Scope of Claims] 1. A locking rod is provided on the sliding door side or the door frame side, and a manual operating part consisting of a cylinder lock, a Samoon, etc. for locking and unlocking the locking rod is provided on the sliding door side, and a locking rod is provided on the sliding door side or on the door frame side. is provided with an electric operation section consisting of a solenoid, a motor, etc. for locking and unlocking the locking rod, and a coupling device for connecting the manual operation section and the electric operation section when the door is closed. An electric lock for sliding doors. 2 On the sliding door side, when the sliding door is closed, there is a locking rod that rotates and protrudes through a trigger bolt and engages with a receiving metal fitting provided on the door frame side, and a locking rod that engages and disengages from the locking rod to lock and unlock the door. A locking piece is installed on the sliding door side to move the locking piece up and down, and a manual operation unit consisting of a cylinder lock or a thumb turn is installed on the sliding door side, and a solenoid or a motor operated by an electric signal is installed on the door frame side. Electric operation parts each consisting of a slide plate that is driven by a motor to move up and down are provided, and a coupling device that connects the manual operation part and the electric operation part when the door is closed is provided between the locking piece and the slide plate. An electric lock for a sliding door according to claim 1, characterized in that: 3 On the door frame side, when the sliding door is closed, there is a locking rod that rotates and protrudes through a trigger bolt and engages with a receiving metal fitting provided on the sliding door side, and a locking rod that engages and disengages the locking rod to lock and unlock the door. In addition, a locking piece is installed on the door frame side, and an electric operation unit consisting of a solenoid or a motor that is activated by an electric signal to move the locking piece up and down is installed on the sliding door side, and a cylinder lock, thumb turn, and its A manual operation section consisting of a slide plate that moves up and down when the door is operated is provided, and a connecting device is provided between the locking piece and the slide plate to connect the electric operation section and the manual operation section when the door is closed. An electric lock for a sliding door according to claim 1. 4 A locking rod is provided on the sliding door side, which repeats rotational protrusion and rotational retreat by upward and downward movement of a locking piece provided on the sliding door side, and engages with a receiving metal fitting provided on the door frame side when rotating and protruding. An electric lock for a sliding door according to claim 1, characterized in that: 5 A locking rod is installed on the door frame side, which repeats rotational protrusion and rotational retreat by upward and downward movement of the locking piece provided on the door frame side, and engages with a receiving metal fitting provided on the sliding door side when rotating and protruding. An electric lock for a sliding door according to claim 1, which is provided with an electric lock for a sliding door. 6. The electric lock for a sliding door according to claim 1, wherein the locking rod is a sickle-shaped locking rod that is pivotally supported on a shaft and rotates about the shaft as a fulcrum. 7. The locking rod is a shaft-shaped locking rod that is normally in a protruding state, but when the locking rod is fitted into the hole of the receiving metal fitting when the door is closed and rotated, the locking portion at the tip engages with the edge of the hole. An electric lock for a sliding door according to claim 1, characterized in that: 8. The electric lock for a sliding door according to claim 1, wherein the connecting device comprises a pair of plate-shaped connecting members provided with a large number of teeth that mesh with each other. 9. The electric lock for a sliding door according to claim 1, wherein the connecting member is comprised of a pair of gear-shaped connecting members provided with a large number of teeth that mesh with each other. 10. The electric lock for a sliding door according to claim 1, wherein the connecting device comprises a pair of connecting members, one of which has a protrusion, and the other of which has a recess into which the protrusion fits. 11. The electric lock for a sliding door according to claim 1, wherein the connecting device is composed of a rack-shaped connecting member and a pinion-shaped connecting member that meshes with the rack-shaped connecting member. 12. The electric lock for a sliding door according to claim 1, wherein the connecting device comprises a connecting member made of a permanent magnet or an electromagnet and a connecting member made of a ferromagnetic material attracted to the connecting member. 13. The electric lock for a sliding door according to claim 1, wherein the solenoid of the electric operation part is a latching solenoid in which the plunger is maintained in the protruding and retracting states with a constant resistance. 14. The electric lock for a sliding door according to claim 1, characterized in that the solenoid of the electric operation part is composed of two solenoids, one for locking and one for unlocking.