JPH0540201Y2 - - Google Patents

Description

[Detailed explanation of the idea] [Industrial application field]

The present invention relates to an electric lock device for a sliding door.

[Conventional technology]

2. Description of the Related Art Electric locks have conventionally been provided as locking devices for sliding doors that can be opened and closed by remote control. This electric lock is equipped with an electrically controlled electric drive device on the door frame, and a sickle operated by the electric drive device on the door frame.The electric drive device is operated by remote control to operate the sickle. Generally, the lock is opened and closed by rotating the sickle to engage or disengage the sickle from the sliding door. Electric locks require an electric drive device to be installed on the door frame side due to the power supply wiring, and it is common for the sickle operated by this electric drive device to also be installed on the door frame side. be.

[Problem that the idea aims to solve]

However, if the electric drive device and the driving mechanism for the lock, such as a sickle, are both incorporated into the door frame, the door frame must be made large, which imposes design constraints. The present invention has been made in view of the above points, and its primary purpose is to incorporate an electric drive device into the door frame, and also to be able to incorporate the drive mechanism such as the sickle into the sliding door. In addition, a second purpose is to enable smooth locking and unlocking.

[Means to solve the problem]

The locking device according to the present invention includes an operating lever 2 that can move up and down in a door frame 1, and an electric drive device 3 that electrically controls the operating lever 2 to rotate it. A passive lever 5 that can freely move up and down and a sickle 6 that is connected to the passive lever 5 and moves up and down in accordance with the up and down movement of the passive lever 5 are attached to the drive lever 5. Pressing protrusions 8 and 9 are attached to the upper and lower ends of the operating lever 2, respectively, so as to selectively protrude from the door frame 1.
A pressure-receiving protrusion 10 is provided, and a pressure-receiving protrusion 10 that is pressed by the upper and lower pressing protrusions 8 and 9 of the operating lever 2 protruding from the door frame 1 to rotate the passive lever 5 either upward or downward is connected to the passive lever. An engaging piece 12 is provided at the end of the lever 5, and is provided at the tip of the sickle 6 to protrude from the tip of the sliding door 4 and engage with the sickle receiver 11 of the door frame 1 when the sickle 6 is rotated in one direction. It is characterized in that the receiver 11 is inclined to protrude toward the sliding door 4 side, and a roller 13 that is rolled by the sickle receiver 11 is rotatably attached to the tip of the engagement piece 12.

[Effect]

In the present invention, the sliding door 4 is operated by the operating lever 2 operated by the electric drive device 3 provided on the door frame 1
The lock can be opened and closed by rotating the passive lever 5 provided on the door and rotating the sickle 6 to engage or disengage the engaging piece 12 of the sickle 6 with the sickle receiver 11 of the door frame 1. can. Also, the roller 13 is attached to the engagement piece 12.
By providing a roller 13 and rolling the roller 13 on the sickle receiver 11 that is inclined toward the sliding door 4 side, the engaging piece 12 can be smoothly engaged with and released from the sickle receiver 11.

【Example】

The present invention will be explained in detail below using examples. FIG. 3 shows the door frame unit 17 attached to the door frame 1, and electromagnetic solenoids 3a and 3b are attached to the upper and lower ends of a main body casing 19 provided on the back side of the front cover 18, respectively. The electromagnetic solenoids 3a and 3b form an electric drive device 3,
The upper electromagnetic solenoid 3a has a plunger 2 on the lower side, and the upper electromagnetic solenoid 3b has a plunger 2 on the upper side.
0 and 20 are provided to protrude. Further, an operating lever 2 formed into a substantially C-shape with pressing protrusions 8 and 9 protruding upward and downward from the rear end of a pivot piece 21 is attached to the upper and lower center of the main body casing 19. . The operating lever 2 is attached so that it can freely move up and down by pivoting the tip of the pivot piece 21 into the main body casing 19 with a shaft pin 26.
1 and the plunger 20 of the upper electromagnetic solenoid 3a, and between the upper part of the pivot piece 21 and the plunger 20 of the lower electromagnetic solenoid 3b, U-shaped connecting rods 22, 22 are connected at both ends thereof. They are connected and attached so that they can rotate freely. The main body casing 19 and the front cover 18 have a pair of upper and lower insertion holes 23,
23 is bored, and the operating lever 2 is held in a neutral state (the state shown in FIG. 3a) with the tips of the upper and lower pressing protrusions 8, 9 facing the respective insertion holes 23, 23 by the springs 27, 23. It is held by the action of 27.
When the upper electromagnetic solenoid 3a is actuated to move the plunger 20 of this electromagnetic solenoid 3a upward, the pivot piece 21 is rotated upward via the connecting rod 22, and the operating lever 2 is rotated as shown in FIG. 3a. The tip of the upper pressing protrusion 8 is rotated around the upper insertion hole 2.
Projected from 3. Also, the lower electromagnetic solenoid 3b
When the plunger 20 of the electromagnetic solenoid 3b is moved downward, the pivot piece 21 is rotated downward via the connecting rod 22, and the operating lever 2 is rotated counterclockwise in FIG. 3a. The tip of the lower pressing protrusion 9 is projected from the upper insertion hole 23. moreover,
A lock window 24 is opened in the main body casing 19 and the front cover 18 above the insertion hole 23, and the front cover 18 is provided at the upper edge of the lock window 24.
A sickle holder 11 is provided by cutting and raising it.
This sickle receiver 11 is formed so as to be inclined downwardly and forwardly. The door frame unit 17 is the second
As shown in the figure, it is installed inside the door frame 1 and fixed with screws 25. FIG. 4 shows the sliding door unit 28.
A passive lever 5, a sickle 6, and a manual lever 7 are installed inside the main body casing 29, respectively. The passive lever 5 connects the connecting piece 3 to one end (upper end) of the pivot piece 30.
1, and a pressure-receiving projection piece 10 is provided at the other end (lower end part), and the rear part of the pivot piece 30 is pivoted in the main body casing 29 with a shaft pin 32, so that it can be moved up and down. It is mounted so that it can rotate freely. A sliding material 33 made of nylon or the like with good sliding properties is attached to the pressure receiving protrusion 10, and a roller 34 provided at the lower end of the pivot piece 30 is brought into elastic contact with a seat spring 35 attached within the main body casing 29. It's like this. A pair of upper and lower through holes 40, 40 are bored in the front surface of the main body casing 29 at a portion where the pressure receiving protrusion 10 of the passive lever 5 is arranged.
The sickle 6 is formed with a hook-like engagement piece 12 at its tip, and its base end is pivotally supported within the main body casing 29 by a shaft pin 38, so that it can be freely moved up and down. It's like this. A roller 13 is attached to the side surface of the tip of the engagement piece 12 so as to be rotatable up and down. By rotating the sickle 6 upward (clockwise in FIG. 4a), the engaging piece 12 protrudes from the window 36 formed in the main casing 29, and the sickle 6 is rotated downward (counterclockwise in FIG. 4a). ), the engaging piece 12 is retracted into the main casing 29. Further, a long hole 37 bent in an F-shape is bored in the approximate center of the sickle 6, and the connecting piece 3 of the passive lever 7 is inserted into this long hole 37.
A connecting pin 39 attached to the tip of the hook 1 is inserted to connect the sickle 6 and the passive lever 7. The manual lever 7 is bent into an L-shape, and the bent center portion is connected to the main body casing 29 with a shaft pin 41.
By pivoting it inside, it can be mounted so that it can move up and down. One end of this manual lever 7 is connected to the connecting piece 31 of the passive lever 5 by a connecting pin 42.
The other end portion of the manual lever 7 provided with the connecting elongated hole 44 is made to protrude from the opening 43 in the upper part of the main body casing 29. The sliding door unit 28 is installed within the tip of the sliding door 4 as shown in FIG.
Furthermore, pull plates 45 and 46 are attached to both sides of the tip of the sliding door 4, as shown in FIG. 5a. The pull plates 45 and 46 are fixed to the sliding door 4 by screwing screws 47 from one pull plate 45 to the other pull plate 46, and a knob 48 is attached to one of the pull plates 45 so as to be able to slide up and down. Attachment: A protruding piece 49 protruding from the rear side of the knob 48 is inserted into the connecting elongated hole 44 of the manual lever 7 for connection. However, with the sliding door 4 running and closed,
The upper electromagnetic solenoid 3a is energized by remote control, etc., and the operating lever 2 is rotated clockwise in FIG.
7 through the upper insertion hole 23 and protrudes from inside the door frame 1 towards the sliding door 4 side, the tip of this pressing protrusion 8 is inserted into the sliding door unit 28 of the sliding door 4 through the upper through hole 40, Pressure receiving protrusion 1 of passive lever 5
0 and rotate the passive lever 5 counterclockwise in FIG. Electromagnetic solenoid 3a
Since the excitation of the spring 2 is released immediately after the operating lever 2 is rotated in this way, the operating lever 2 is activated after the passive lever 5 is rotated in this way.
7 immediately returns to the state shown in FIG. When the passive lever 5 is rotated counterclockwise as described above, the passive lever 5 rotates the sickle 6 clockwise, and in accordance with this rotation of the sickle 6, the engagement piece 12 is rotated. It projects from the window 36 of the sliding door unit 28 to the front of the sliding door 4. When the engaging piece 12 is projected forward of the sliding door 4 in this way, the tip of the engaging piece 12 is engaged with the sickle catch 11 through the lock window 24 of the door frame unit 17, so that the door cannot be locked. (Figure 1 shows this locked state). Here, sickle catch 1
When the tip of the engaging piece 12 is engaged with the hook 1, the roller 13 provided on the engaging piece 12 is rolled against the inclined back surface of the sickle receiver 11, so that this engagement is made smoothly. Ru. With the engagement piece 12 thus engaged with the sickle receiver 11, the leaf spring 50 provided on the door frame unit 17 comes into elastic contact with the engagement piece 12, thereby preventing the engagement piece 12 from wobbling. Further, since the roller 34 of the passive lever 5 is engaged with the recess 35a of the seat spring 35, the passive lever 5 is held in this rotated state. Next, the lower electromagnetic solenoid 3b is energized by remote control, etc., and the operating lever 2 is rotated counterclockwise in FIG. Insert the door frame 1 through the side insertion hole 23.
When projected from inside toward the sliding door 4 side, the tip of this pressing protrusion 9 is inserted into the sliding door unit 28 of the sliding door 4 through the lower through hole 40, and the lower surface of the pressure receiving protrusion 10 of the passive lever 5 is inserted. Press upward to rotate the passive lever 5 clockwise in FIG. Since the excitation of the electromagnetic solenoid 3b is immediately released after rotating the operating lever 2 in this way, the operating lever 2 is activated by the action of the spring 27 after rotating the passive lever 5 in this way. Immediately return to the state shown in the figure. When the passive lever 5 is rotated clockwise as described above, the passive lever 5 rotates the sickle 6 counterclockwise, and in accordance with this rotation of the sickle 6, the engagement piece 12 is rotated. The sliding door unit 28 is pulled in and unlocked. As described above, locking and unlocking can be performed by electrical control. Here, the engagement piece 12 is disengaged from the sickle receiver 11 while the roller 13 rolls on the inclined back surface of the sickle receiver 11, and this engagement is smoothly released. Also passive lever 5
Since the roller 34 is engaged with the recess 35b of the seat spring 35, the passive lever 5 is held in this rotated state. Furthermore, when the knob 48 of the pull plate 45 is slid upward in the locked state as shown in FIG. 1, the manual lever 5 is rotated counterclockwise in FIG. Accordingly, the passive lever 5 is rotated clockwise. In accordance with the rotation of the passive lever 5, the sickle 6 is rotated counterclockwise, and the engagement piece 12 is retracted into the sliding door unit 28 to release the lock. Conversely, when the knob 48 of the pull plate 45 is slid downward in the unlocked state, the manual lever 5 is rotated clockwise in FIG. 1, and as the manual lever 5 is rotated, the passive lever 5 is rotated counterclockwise. According to the rotation of the passive lever 5, the sickle 6 is rotated clockwise, and the engagement piece 12 is moved to the sliding door unit 28.
It protrudes from the door frame unit 17 and is engaged with the sickle receiver 11 of the door frame unit 17 to lock the door. As described above, the sliding door 4 can be manually locked and unlocked.

[Effect of the idea]

As mentioned above, in the present invention, an electric drive device and an operating lever that is rotated by the electric drive device are installed in the door frame, and the operating lever is rotated by the pressure of the pressing protrusion of the operating lever inside the sliding door. At the same time, a sickle that is rotated by the passive lever is attached inside the sliding door, and the engaging piece provided on the sickle is engaged with the sickle receiver formed on the door frame, so that it can be connected to an electric drive device. The mechanical part that operates as a lock (passive lever or sickle) can be separated via an operating lever, and the electric drive device can be built into the door frame and the mechanical part can be installed on the side of the sliding door. . In addition, a roller is provided on the engagement piece, and the roller is rolled on the sickle holder that slopes toward the sliding door, so that the rolling of the roller against the sickle holder causes the engagement piece to engage and release from the sickle holder. can be performed smoothly.

[Brief explanation of drawings]

Fig. 1 is a front sectional view of an embodiment of the present invention, Fig. 2 is a plan sectional view of the same, and Fig. 3 a, b, c, and d are a front sectional view, a plan view, and the left side of the same door frame unit A front view and a right side view, Figures 4a, b, c, and d are a front sectional view, a front view, a top view, and a left side view of the same sliding door unit,
FIG. 5a is a sectional view of the sliding door at the attachment point of the handle plate same as above, and FIGS. 5b and 5c are front views of the handle plate same as above. 1 is a door frame, 2 is an operating lever, 3 is an electric drive device, 4 is a sliding door, 5 is a passive lever, 6 is a sickle, 8, 9
is a pressing protrusion, 10 is a pressure receiving protrusion, 11 is a sickle holder,
12 is an engagement piece, and 13 is a roller.

Claims (1)

[Scope of utility model registration request] An operating lever that can move up and down and an electric drive device that electrically controls the operating lever to rotate it is installed inside the door frame, and a passive lever that can move up and down inside the tip of the sliding door and a passive lever that can move up and down. A sickle is connected to the drive lever and is moved up and down in accordance with the up and down movement of the passive lever. Pressure-receiving protrusions are provided at the upper and lower ends of the door frame, respectively, and rotate the passive lever either upward or downward when pressed by either the upper or lower pressing protrusion of the operating lever protruding from the door frame. An engaging piece is provided at the end of the lever, and an engaging piece is provided at the tip of the sickle that protrudes from the tip of the sliding door and engages with the sickle holder on the door frame when the sickle is rotated to one side, and the sickle holder is moved to the sliding door side. A locking device in which a roller that protrudes at an angle and is rotatably attached to the tip of an engaging piece is rolled by a sickle receiver.