JPH0288878A - Garage door - Google Patents

Abstract

PURPOSE:To release locking manually, and to open and close a garage door in a manually operated manner by installing a locking body engaged through electric control into the engaging groove of a following gear and providing a manual locking release means releasing the locking of the locking body manually by operation from the outside of a strut. CONSTITUTION:A manual locking release rod 15 is mounted slidably to a guide cylinder 30 as a manual locking release means in the upper section of a following gear 5, and a projection 16 projected from the outer circumference of the release rod 15 is guided along an L-shaped guide groove 17. The release rod 15 is energized by a torsion spring 31 so that a nose is retreated. When the drive system of a motor 7, etc., is faulty or a solenoid 10, etc., develops fault, the operating section 15 of the base end of the release rod 15 is pushed by a driver, etc., and turned, the projection 16 is interlinked with the interlinking section 17a of the guide groove 17, a locking body 9 is rotated against a torsion spring 14 by the nose of the release rod 15, an engaging section 13 is slipped off from engaging grooves 11a, 11b, and the locking of the locking body 9 is released. Accordingly, a door body can be opened and closed manually.

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a garage door provided at the entrance of a garage, and more specifically to the structure of the garage door, which is electrically driven to open and close.

[Prior art] In a conventional garage door, one end of the arm is connected to both sides of the door body, and the other end of the arm is rotatably connected to the upper end of a column whose lower end is buried in the ground using a rotating shaft. It was designed to be closed when the door body was turned vertically, and opened when the door body was rotated upward and horizontally. In order to be able to open and close the door electrically, the rotating shaft is driven by a motor.

[Problems to be Solved by the Invention] In the conventional example described above, the door can be driven to open and close electrically, but there is a problem that the door moves if force is applied inadvertently to the door in the closed or open state. Also, in order to prevent accidental movement, it is necessary to insert a lock bin between the 7-m and the pillar and lock it, and to lock it, a separate locking operation is required]J The topic was birds.

The present invention has been made in view of the above points, and an object of the present invention is to be able to lock the door body so that it does not move in the closed state or the open state, and to easily lock the door body using electric control means. To provide a Leno door which can be locked and furthermore can be manually opened and closed by manually releasing the lock even though it can be locked by an electric control means.

[Means for Solving the Problems 1] In order to achieve the above object, the present invention provides a Lehno door in which one end of the arm 2 is connected to each side of the door body, and the other end of each arm 2 is rotatably connected to the support 3. Connected to the rotating shaft 4 attached to the
The state in which the door body 1 faces vertically is the closed state, and the state in which the door body 1 faces upward in the horizontal direction is the open state. In the Lehno door, the driven gear 5 of the rotating shaft 4 is integrated within the support 3. A driving gear 8 driven by a motor 7 via a speed reducer 6 is meshed with the driven gear 5, so that the door body 1 is in a closed state facing vertically and in an open state facing horizontally. A locking body 9 is provided which locks the locking grooves 11a and 11b of the driven gear 5 under electrical control when the gear is in the state, and a manual lock release means is provided for manually unlocking the locking body 9 by operating from outside the support column 3. The fact that it is provided is considered to be a vj sign.

[Operation 1] By driving the motor 7, the rotary shaft 4 is driven through the reducer 6, the drive gear 8, and the driven gear 5, and the door body 1 can be electrically driven to open and close. Furthermore, the driven gear 5 can be locked by electrically controlling the locking body 9 in the closed state and in the open state.

Further, the door body 1 can be opened and closed manually by unlocking the lock body 9 by manual operation.

[Embodiment 1] The pillar 3 is hollow inside, and as shown in FIG. 1, a pair of pillars 3 are erected so as to face each other. Reference numeral 1 denotes an embankment body, which is formed in a lattice shape. Reference numeral 2 denotes an arm, which is configured in a V-shape with an upper arm 2a and a lower arm 2b. One end of the upper arm 2a is connected to the upper ends of both sides of the door body 1, and the upper arm 2a is orthogonal to the door body 1.

One end of the lower arm 2b is connected to the central part of both sides of the door body 1, and the ti of the upper arm 2a and the base end of the lower arm 2b are integrated. A rotary shaft 4 is inserted horizontally into the upper end of the support column 3 so as to be freely rotatable, and an arm 2 is connected to the rotation shaft 4 outside the support column 3. A driven gear 5 made of a bevel gear is integrally attached to the rotating shaft 4 within the support 3, and a drive gear 8 made of a bevel gear is meshed with the driven gear 5. A reduction gear 6 is arranged below the drive gear 8, and a motor 7 is arranged below the reduction gear 6, so that the rotation of the motor 7 can be decelerated by the reduction gear 6 and transmitted to the drive gear 8. It has become. A pair of locking grooves 11a are provided on the outer periphery of the driven gear 5.

11b are formed at intervals of approximately 90° in the circumferential direction. A lock body 9 is attached to the outer periphery of the driven gear 5 so as to be rotatable around a sleeve 12, and the lock body 9 has the above-mentioned locking groove 1.
A locking portion 13 that can be locked to 1a and llb is provided. The lock body 9 is provided with a tension lever h14 that urges the locking portion 13 to rotate in the direction in which it locks in the locking grooves 11a and 11b. In the vicinity of the lock body 9, there is a tension/id 1o that rotates the lock body 9 against the spring force of the tension spring 14.
This is provided. Further, a 1000-pack J lock release means is provided above the driven gear 5, and is constructed as follows. The manual unlocking rod 15 is slidably attached to the idle cylinder 301, and a protrusion 16 protruding from the outer periphery of the manual unlocking rod 5 extends along the L-shaped idle groove 17. It is meant to be guided. This manual lock release rod 15 is attached to a tension spring 31 so that the tip of the manual lock release body 15 is retracted.
It is energized by Then, push the operating portion 18 at the base end of the manual lock release rod 15 with a screwdriver or the like and rotate it to release the protrusion 16.
When engaged with the [engaging portion of the idle groove 17], 7a, the tip of the manual lock release rod 15! 77 Rotate the body 9 against the tension spring 14 to lock the locking portion 13 into the locking grooves 11a, l.
It is designed to be removed from lb. In addition, the pillar 3 has a first micro switch 2o and a second micro switch 2o at the top.
1 is provided, and the driven gear is provided with the above-mentioned 1. Dogs 22 and 23 for operating the second microswitches 2o and 21 are provided. A gas spring 27 is installed inside the support column 3, and the upper end of the gas spring 27 is rotatably connected to a drive arm 28 fixed to the rotating shaft 4.

A cap 24 is attached to the upper end of the column 3.
The above-mentioned first and second microswitches 20.
A cover 25 is attached to cover the cover 21.
5 is provided with operation 9a26.

Therefore, when closing the door body 1 from the state shown in FIG. 2(a) to the state shown in FIG. 2(b), when the closing switch is turned on by operating the operation button 26 or operating the remote control, the solenoid 10 is turned on, the lock body 9 rotates in the direction of arrow A in FIG. 4, the locking portion 13 comes out of the locking groove 11a, and the lock is released.

Then, the motor 7 is rotationally driven, the driving gear 8 is rotationally driven clockwise via the reduction gear 6, and the driven gear 5 is rotationally driven in the direction of the arrow in FIG. At the same time, the dog 22 fixed to the driven gear 5 rotates, and the dog 22 moves to the first position.
Away from the micro switch 20, the driven gear 5
At the same time, the fixed drive arm 28 rotates, and the door body 1 rotates via the rotating shaft 4 and the arm 2, and the door body 1 is closed. When the drive 7-arm 28 and the driven gear 5 rotate 90 degrees and the door body 1 is closed, the dog 23 hits the @2 microswitch 21 and the rotation of the motor 7 is stopped. At the same time, the slide/id 10 is turned off, and the lock body 9 is rotated in the direction of arrow C in FIG. Ru. Also, when opening the door body 1 from the state shown in FIG. 2(b) to the state shown in FIG. 2(a), if the opening switch is turned on by operating the operation@2B or using the remote control, The lock body 9 rotates in the direction of arrow A in FIG. 4, the locking portion 13 comes out of the locking groove 111+, and the lock is released. Then, the motor 7 is driven to rotate in the opposite direction to the above, the driving gear 8 is driven to rotate counterclockwise via the reduction gear 6, and the driven gear 5 is driven to rotate in the two directions indicated by the arrows in FIG. At the same time, the dog 23 is fixed to the driven gear 5.
rotates, the dog 23 separates from the second micro switch 21, the drive arm 28 fixed together with the driven gear 5 on the rotating shaft 4 rotates, and the door body 1 rotates via the rotating shaft 4 and the arm 2. Door body 1 is opened. When the drive arm 28 and the driven gear 5 rotate 90 degrees and the door body 1 is opened,
The dog 22 hits the first micro switch 20 and the rotation of the motor 7 is stopped. At the same time, Tsure/Ido 10
is turned off, the lock body 9 rotates in the direction of arrow C in FIG.
1g and is locked. In addition, if the drive system such as the motor 7 or the like breaks down, or the premade 10 or the like breaks down, push the operating portion 18 at the base end of the manual lock release rod 15 with a screwdriver or the like and rotate it to move the protrusion 16 into the id groove 17. , and rotate the lock body 9 against the tension spring 14 with the tip of the manual lock release rod 15 to release the locking part 1 .
3 from the locking grooves 11a and llb, the lock body 9 is unlocked, and the door body 1 is manually opened and closed.

[Effects of the Invention 1] As described above, the present invention has the driven gear of the rotating shaft integrally provided within the support column, and the drive gear driven by the motor via the reducer is meshed with the driven gear, so that there is no connection from the motor to the reducer. Of course, the door can be opened and closed electrically by rotating the rotating shaft through the drive gear and driven gear, and can also be opened and closed when the door faces vertically, and when it is open when the door faces horizontally. Since a locking body is provided that locks into the locking groove of the driven gear, the door can be locked to prevent it from moving in the closed and open states, preventing the door from opening or closing due to inadvertent external force. Moreover, since the lock body is electrically controlled to engage and disengage from the locking groove, locking and unlocking can be easily performed electrically, and furthermore, the above-mentioned locking and unlocking can be done manually by operating from outside the column. Since a manual lock release means is provided to unlock the lock body, even if the drive system such as a motor breaks down or the control of the lock system fails, the manual lock release means can be used to release the lock body. The lock can be released and the door can be opened and closed manually.

[Brief explanation of the drawing]

Fig. 1 is a schematic perspective view of an embodiment of the present invention, Fig. 2(a)
(b) is a front view illustrating the opening and closing of the same as above, and Fig. 3 (, Ob
) are a front view and a side view showing the upper part of the support column as above, FIGS. 2 is the arm,
3 is a column, 4 is a rotating shaft, 5 is a driven gear, 6 is a reducer, 7
is the motor, 8 is the drive gear, 9 is the lock body, 11a+11
b is a locking groove. Agent Patent Attorney Ishi 1) Chief 7 Figure 2 (a) Figure 2 (b) Figure 4 (a) Figure 3

Claims (1)

[Claims] [1] One end of each arm is connected to both sides of the door body, and the other end of each arm is connected to a rotating shaft rotatably attached to a support. When the door body faces vertically, the door is closed. In a garage door that is open when the body is facing upward and sideways, a driven gear is integrally provided on the rotating shaft within the support column, and a drive gear driven by a motor via a speed reducer is meshed with the driven gear. In addition, a locking body is provided that automatically locks in the locking groove of the driven gear by electrical control when the door body is in the closed state facing vertically and in the open state facing horizontally. A garage door characterized by being provided with a manual lock release means for manually unlocking the lock body by an operation from outside.