JPH0330559Y2 - - Google Patents

Description

[Detailed Description of the Invention] Industrial Application Field The present invention is designed to automatically or manually operate a rotating body such as a pulley around which a cable is wound for opening and closing the blind installed on the roof of a sunroom. This invention relates to a device that can be rotationally driven by.

Prior Art To open and close a blind installed on the roof of a sunroom, the blind is provided so as to be able to slide along the roof, and the base end of the blind is wound around a winding roll. A torsion spring built into the roll biases the blind in the winding direction, and the other end of the blind is connected to a string driven by a motor, which rotates the motor forward and backward to wind and unwind the blind. Just configure it.

In this way, you can easily open and close the blinds by simply operating the switch and rotating the motor forward or reverse.

However, on the other hand, during a power outage, the motor cannot rotate forward or reverse, making it impossible to open or close the blinds.

Therefore, if a cable for manual operation is wound around the winding roll, and by pulling the cable, the winding roll rotates forward and backward, allowing the blind to be opened and closed manually, even during a power outage. Blinds can be opened and closed.

However, with this configuration, the cables are pulled when the motor rotates the take-up roll, which is dangerous and may cause the cables to collide with something and make a loud noise. Once upon a time, the take-up roll would no longer be able to rotate.

In other words, if a rotating body such as a take-up roll is rotatably driven by a motor and a cable, the cable is pulled when the motor rotates it, resulting in various problems.

Purpose of the invention It is possible to rotationally drive the driving rotating body by a motor and a manually operated cable, and the cable is not pulled when the driving rotating body is being rotationally driven by the motor, and the above-mentioned switching is possible. The purpose is to make it possible to do it with a single string.

Composition of the invention A coupling 23 and a connecting shaft 24 are attached to the rotating shaft 22 of the motor 21, and the connecting shaft 24 is connected to a drive rotating body through a transmission mechanism, and the rotating body for manual operation is rotatably attached to the driving shaft 24. The coupling ring 2 is supported on the sleeve 31 provided on this rotating body.
A clutch plate 32 that engages with the clutch plate 32 is mounted so as to be slidable in the axial direction, and the clutch plate 32 is held in the engaged position by a spring 34, and the clutch plate 32 is slid against the spring 41 to a position where it separates from the coupling 23. A string 42 is suspended and connected to a moving lever 35,
A stopper 43 that holds the lever 35 in the disengaged position can be released by the string 42,
A string 53 is wound around the pulley 29.

Embodiment FIG. 1 is a perspective view of the roof of a sunroom,
A plurality of rafters 2 are installed across the eave girder 1 and a ridgepole (not shown), and a translucent member 3 such as a glass plate or a transparent plastic plate is attached between each rafter 2, and is fixed to the rafter 2. A blind 5 serving as a closing member is slidably provided along the guide frame 4, and the base end of the blind 5 is wound around a winding roll 7 provided within a cover body 6.

FIG. 2 is a perspective view of the part that opens and closes the blind 5. The winding roll 7 is biased to rotate in the winding direction by a torsion spring (not shown), and the tip 5a of the blind 5 is provided with a winding roll 7 for opening and closing the blind. A string 8 serving as a rope is connected by a connecting member 9, and this string 8 is endless and hangs downward via a guide roll 10 supported on the eaves side of the rafter 2 and a guide roll 11 supported on the purlin side. The opening/closing device A, which will be described later, passes through the holes 13, 13 of the guide plate 12.
is wound around the pulley 14 of, rotates the pulley 14 in the forward direction,
When reversed, the string 8 is pulled and the blind 5 is wound around the take-up roll 7 or unwound, so that it can be opened and closed.

Because of this, if the pulley 14 is connected to the motor, the blind 5 can be opened and closed by the motor.
The blind 5 can be opened and closed manually by rotating the pulley 14 with the cable, so the blind can be arbitrarily selected as an electric opening/closing blind or a manual opening/closing blind, and the manual opening/closing blind can be easily converted into an electric opening/closing blind. can be changed to

In other words, since the pulley 14 is located in the lower part of the sunroom, away from the roof, the motor can be easily installed and the cable can be easily wound, so it can be used for electric blinds or manual blinds. Easy to select or change.

On the other hand, if the motor is mounted on the roof or
When a blind is installed in the middle of a double window, it is very difficult to change the manual opening/closing blind to an electric opening/closing blind.

The opening/closing device A is constructed as shown in FIGS. 3 to 9.

That is, a reversible motor 21 is fixed to a vertical plate-shaped base 20, a coupling ring 23 is fitted and fixed to its rotating shaft 22, and one end of a connecting shaft 24 is tightly fitted and fixed to the rotating shaft 22. The shaft 24 is rotatably supported across one side piece 25a of a U-shaped bracket 25 and both side pieces 26a, 26b of a rectangular bracket 26, and is supported in a portion between both side pieces 26a, 26b of the bracket 26. A worm gear 27 is fixed, and a worm gear 28 meshed with the worm gear 27 is attached to both end pieces 26 of the bracket 26.
The worm gear 28 is rotatably supported between the worm gear 26c and 26d, and the above-mentioned pulley 14, that is, the rotating body for automatic operation of the present invention, is fixed to one end of the worm gear 28.

A pulley 29 for manual operation is rotatably supported on the connecting shaft 24 by a bearing 30.
A sleeve 31 is integrally connected to the sleeve 31.

32 is a clutch plate rotatably supported on the connecting shaft 24 via a bearing 33;
2 is biased by a spring 34 in the direction of engaging and connecting with the coupling ring 23, and the forked portion 35 of the lever 35 is inserted into the annular groove 32a of the clutch plate 32.
A is fitted into the clutch mechanism 36 so that the clutch plate 32 can be moved by a lever 35 to a position where it is disengaged from the coupling ring 23 against a spring 34.

The lever 35 has a horizontal plate 37 and a vertical plate 38, and a pair of mounting pieces 39 integrally formed on the horizontal plate 37.
39 is a shaft 40 and both side pieces 20a, 20a of the base 20
It is supported so as to be able to swing up and down, and is biased to swing counterclockwise by a torsion spring 41.
A notch 38a of the vertical plate 38 forms a bifurcated portion 35a, and a string 42 is attached to the other end of the horizontal plate 37.

The upper part of a stopper 43 is supported by a shaft 44 between both end pieces 26c and 26d of the bracket 26 so as to be vertically movable, and this stopper 43 has a vertical piece 45 and a horizontal piece 46, and the vertical piece 45 is Through hole 3 in plate 37
7a, the string 42 is inserted into the hole 46a of the horizontal piece 46, and the vertical piece 45 is integrally formed with a protrusion 47 that serves as a locking part, and the stopper 4
3 is rotated counterclockwise by a torsion spring 48, and one side of the vertical piece 45 is brought into contact with one side edge 37'a (that is, the locked portion) of the through hole 37a.

The sleeve 31 has a plurality of grooves 31a formed at equal intervals in the circumferential direction, and the clutch plate 32 is integrally formed with a plurality of pawls 32b that fit into each groove 31a. It is designed to be able to slide freely in the axial direction and rotate as a unit.

As shown in FIG. 10, the pulley 29 includes a pair of discs 50, 50 each having a funnel-shaped outer peripheral edge 50a.
are connected to form a V-shaped annular groove 51, and holes 52 are formed on the outer peripheral edge 50a of the annular grooves 52 at positions shifted in the circumferential direction. A string 53 is wound around the string 53, and a pair of guide rollers 54, 54 are provided on the unwinding side of the string 53 to tighten the string 53 into the annular groove 51.

Note that the pair of guide rollers 54, 54 are connected to the collar 31b of the sleeve 31 and the one side piece 25 of the bracket 25.
It is installed across a.

In the illustrated state, the clutch plate 32 is connected to the coupling 23 by the spring 34, and the clutch mechanism 36 is twisted, so that the pulley 29 is connected to the sleeve 31, the clutch plate 32, and the coupling 23.
When the string 53 is pulled and the pulley 29 is rotated, the connecting shaft 24 is rotated, and the worm gear 27 and the worm shaft 28
The pulley 14 is rotated via.

As a result, the string 8 is pulled and the blind 5 is wound up and let out, so that the blind 5 can be opened and closed manually.

At this time, since the string 53 bites into the hole 52 of the pulley 29, the string 53 is prevented from slipping against the pulley 29.

Further, when the string 42 is pulled downward, the lever 35 swings clockwise, and the clutch body 32 moves to the right against the spring 34 by its bifurcated portion 35a, disengaging from the coupling 23, and locking the clutch. Since the mechanism 36 is disconnected, the connecting shaft 24 and pulley 29 are disconnected.

When the motor 21 is driven in this state, the pulley 14
Since the string 8 is pulled by rotating in the forward and reverse directions, the blind 5 can be opened and closed by the motor 21 in the same way as described above, and since the pulley 29 does not rotate, the string 53 is not pulled, causing noise or string 8. It is safe and does not drip.

At this time, one end edge 37'a of the through hole 37a of the horizontal plate 37 of the lever 35 is engaged with the protrusion 47 of the vertical piece 45 of the stopper 43 by the elastic force of the spring 48, and the lever 35 is held in that position. Therefore, the clutch mechanism 36 can be kept disconnected by releasing the string 42.

To connect the clutch mechanism, pull the string 42 to the left in FIG. The clutch plate 32 is disengaged from the plate 37 and connected to the coupling 22.

Further, the pulley 14 may be configured as shown in FIGS. 11 and 12.

That is, a pair of disks 60, 60 having a funnel-shaped outer peripheral edge 60a are connected to form an annular groove 61,
A hole 62 is formed in the outer peripheral edge 60a, a pair of guide rollers 63, 63 are provided on the winding side of the string 8, and a partition plate 64 is provided between the pair of guide rollers 63, 63, so that the pulley 14 rotates. When winding up the string 8, the sending-out side portion 8' is prevented from biting into the winding-up side portion 8''.

In the above embodiment, the pulley 14 around which the string 8 for opening and closing the blind 5 is wound is driven by the motor 21 and the string 53, but the sprocket gear may also be driven to rotate.
The winding roller 7 may be driven to rotate directly, or a rotating body connected to a moving body other than the blind may be driven to rotate.

Also, the pulley 2 can be used as a chain instead of the string 53.
9 may be used as a sprocket.

In other words, the rotating body may be rotationally driven by a motor and a cable.

Effects of the invention When the string 42 is pulled down and the lever 35 is swung against the spring, the clutch plate 32 slides against the spring 34 and separates from the coupling ring 23, causing the protrusion 47 provided on the vertical piece 45 of the stopper 43 to Lever 35
The lever 3 is engaged with the through hole 37a of the horizontal piece 37.
5 is held in that position, the driving rotating body can be driven by driving the motor 21, and at the same time, the rotating body does not rotate and the cable is not pulled, and in this state, the string 42 is rotated diagonally. By pulling it, the stopper 43 swings and the protrusion 47 engages the lever 35.
The lever 35 returns to its original state, and the clutch plate 32 engages with the coupling ring 23, and the cable rotates the rotating body, causing the drive rotating body to move in the forward and reverse directions. It can be rotated to

Therefore, the driving rotating body can be rotated by the motor 21 or by manual operation, and the driving rotating body can be rotated by the motor 21 or by manual operation.
Not only is it safe because the cable will not be pulled while rotating in the clutch plate 3, but also the clutch plate 3 can be pulled down or pulled diagonally by one string 42.
2 and the coupling ring 23 can be disengaged from each other and engaged with each other, which not only simplifies the operation, but also ensures that malfunctions are less likely to occur due to manual operation, resulting in excellent reliability.

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention, in which Fig. 1 is a perspective view of the roof of a sunroom, Fig. 2 is a perspective view of the blind opening/closing part, Fig. 3 is a partially cutaway plan view of the opening/closing device, and Fig. 4. is a front view, FIG. 5 is a left side view, FIG. 6 is a right side view, FIG. 7 is a sectional view taken along the line of FIG. ,
FIG. 10 is a perspective view of the pulley, FIGS. 11 and 12 are partially cutaway front views showing different embodiments of the pulley,
FIG. 14 is a rotating body (pulley), 21 is a motor, 22
29 is a rotating shaft, 29 is a rotating body (pulley), 36 is a clutch mechanism, and 53 is a cable.

Claims (1)

[Scope of utility model registration request] A coupling shaft 23 and a connecting shaft 24 are attached to the rotating shaft 22 of the motor 21, and the connecting shaft 24 is connected to a drive rotating body via a transmission mechanism, and the rotating body for manual operation is rotatably supported on the driving shaft 24. , the coupling 2 is attached to the sleeve 31 provided on this rotating body.
A clutch plate 32 that engages with the clutch plate 32 is attached so as to be slidable in the axial direction, and this clutch plate 32 is held in the engaged position by a spring 34, and the annular groove 32 of the clutch plate 32 is held in the engaged position by a spring 34.
Vertical plate 38 having a bifurcated portion 35a fitted into a
A lever 35 consisting of a horizontal piece 27 of the lever 35 is supported so as to be able to swing vertically, and this lever 35 is urged to swing upwardly by a spring 41 so as to slide the clutch plate 32 into the engaged position. String 42 at the tip
are suspended and connected, and a vertical piece 45 of a stopper 43 consisting of a vertical piece 45 and a horizontal piece 46 projects upward from a through hole 37a formed in a horizontal piece 47 of the lever 35 and is swingably supported. A driving device for a rotary body, characterized in that a projection 47 is provided on a vertical piece 45 of the rotary body, the cord 42 is inserted through a hole 46a of a horizontal piece 46, and the cord is wound around the rotary body for manual operation.