JPH0752958Y2 - Intermediate bearing device for winding shaft in continuous shutter - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial application] The present invention relates to an intermediate bearing device for a winding shaft in a continuous shutter in which a plurality of shutter slat rows are connected to each other with a gap in the longitudinal direction of the winding shaft.

[Prior art]

Conventionally, this type of intermediate bearing device has been (1)
As described in Japanese Patent No. 32075, it is generally known that a winding shaft to which weights of two rows of shutter slats are supported is supported only at both ends thereof.

Others (2) The intermediate bearing device disclosed in Japanese Utility Model Publication No. 58-23919 is known.

[Problems to be solved by this device]

However, in the former example, since the reel is supported only at both ends, the winding shaft is easily bent due to the weight of the two rows of shutter slats. If the winding shaft bends, the rotation of the winding shaft will not be smooth, which will hinder the opening and closing of the combined shutter.

In order to prevent the bending of the winding shaft, the rigidity of the winding shaft itself should be increased, but the winding shaft itself must be heavy and the support part must be strong, and a material with high rigidity must be used. Therefore, there was a risk that the cost would increase.

Further, in the latter example, since the upper and lower arms support the winding shaft and the screen, the diameter of the roller pipe changes as the screen is wound, and stable support is difficult.

The present invention was devised in view of the above-mentioned circumstances, and its purpose is to provide a stable support function so that the opening and closing of the connecting shutter can be smoothly performed. An object of the present invention is to provide an intermediate bearing device for a winding shaft in a continuous shutter that can be easily attached and detached.

[Means for Solving the Problems]

An intermediate bearing device for a winding shaft in a continuous shutter according to the present invention is a continuous shutter in which a plurality of shutter slats are vertically connected to each other with a gap in the longitudinal direction of the winding shaft. An intermediate bearing device that is arranged in a portion to support the winding shaft,
The intermediate bearing device includes a main body attached to a building body and a sub body detachably attached to the main body, and the main body and the sub body have a notch capable of accommodating the winding shaft of the tooth shutter and the notch along the notch. A plurality of support rolls arranged above and below each of the main body and the sub body,
Each notch of the sub body and the main body when the sub body is attached to the main body forms a hole through which the winding shaft of the shutter penetrates, and each of the support rolls arranged along the notch An intermediate bearing device for a winding shaft in a continuous shutter, wherein the winding shaft is rotatably supported in contact with the periphery of the winding shaft.

The intermediate portion of the winding shaft is supported by a bearing, and the load of the continuous shutter applied to the winding shaft is reliably received by this bearing, and the bending of the winding shaft is reliably prevented.

In addition, since this intermediate bearing device is of a split type consisting of the main body and the sub body, the sub body can be attached after the main body is temporarily supported by the main body. The reel can be easily removed from the main body by removing it from the main body.

In this way, the intermediate bearing device surely prevents the bending of the winding shaft and exhibits a stable supporting action, and moreover, the winding shaft can be easily attached and detached.

〔Example〕

The intermediate bearing device of the present invention will be described below with reference to the illustrated embodiments.

A reel 4 (see FIG. 1) of a continuous shutter 3 (see FIG. 6) in which a plurality of rows of shutter slats 2 connected in the vertical direction are connected to each other with a gap in the longitudinal direction of the reel.
Is provided with an intermediate bearing device 1 which is arranged in the gap between the winding shafts of the shutter and supports the winding shaft.

The intermediate bearing device 1 (see FIGS. 1 to 5) includes a main body 6 attached to the building frame 5 and a sub body 7 that is detachably attached to the main body 6.

Further, in the main body 6 and the sub body 7, a notch 8 capable of accommodating the winding shaft 4 of the continuous shutter 3 and a plurality of vertically arranged along the notch 8 are provided in the main body 6 and the sub body 7, respectively. Support rolls 9 are provided respectively.

Further, each notch 8 of the sub body 7 and the main body 6 when the sub body 7 is attached to the main body 6 forms a hole 10 through which the winding shaft 4 of the continuous shutter 3 penetrates, and along the notch 8. Each of the support rolls 9 arranged is in contact with the circumference of the winding shaft 4 to rotatably support the winding shaft 4.

The main body 6 in this embodiment is formed in a substantially U-shape having a hollow portion 6a, and a notch 8 is formed in the bottom of the substantially U-shape recess, and a substantially U-shape recess is formed. Fitting portions 6b to which the sub body 7 can be detachably fitted are formed.

The sub body 7 has a hollow portion 7a, is formed so as to be detachably fitted into the fitting portion 6b of the main body 6, and faces the notch 8 of the main body 6 at the time of fitting. A notch 8 is formed in the.

Each support roll 9 is rotatably attached to the hollow portion 6a and the hollow portion 7a along the notch 8.

Reference numeral 11 is a connecting fitting for connecting and fixing the main body 6 and the sub body 7 with screws 12. This connecting bracket 11
Then, what is provided in the main body 6 also serves as a guide portion when the sub body 7 is fitted into the fitting portion 6b of the main body 6.

Furthermore, the winding shaft 4 is mounted on both ends of the winding shaft 4 by bearings 14 mounted by brackets 13. Reference numeral 15 is a drive motor for rotating the winding shaft 4.

When using the intermediate bearing device 1 having such a configuration, first, as shown in FIG. 4, the winding shaft 4 is locked in the notch 8 of the main body 6 attached to the building frame 5.

After that, the sub body 7 is fitted into the fitting portion 6b of the main body 6 to form the hole 10 through which the winding shaft 4 penetrates in each notch 8 of the sub body 7 and the main body 6, and by using the connecting metal fitting 11. The main body 6 and the sub body 7 are connected and fixed by screws 12. At this time, each support roll 9 arranged along the notch 8 comes into contact with the circumference of the winding shaft 4.

With such a simple operation, the winding shaft 4 can be rotatably supported by the intermediate bearing device 1.

When removing the winding shaft 4 from the intermediate bearing device 1, it is possible to remove it simply by loosening the screw 12 and releasing the connection between the main body 6 and the sub body 7 with the connecting fitting 11.

[Effect of device]

An intermediate bearing device for a winding shaft of a continuous shutter according to the present invention comprises a main body attached to a building frame and a sub body detachably attached to the main body, and the main body and the sub body can accommodate a winding shaft of the shutter. A notch and a support roll arranged along the notch are respectively provided. The notches of the sub body and the main body when the sub body is attached to the main body form a hole through which the winding shaft of the shutter penetrates, and the support rolls arranged along the notch are The winding shaft is rotatably supported in contact with the circumference of the winding shaft.

According to this configuration, since the gap portion of the winding shaft of the continuous shutter in the middle portion of the winding shaft is supported by the bearing, the load of the plurality of rows of shutter slat added to the winding shaft can be reliably received by this bearing, It is possible to reliably prevent bending of the winding shaft due to weighting. Therefore, the winding shaft can be smoothly rotated without any deflection, and the continuous shutter can be always opened and closed smoothly.

Also, the intermediate bearing device is of a split type consisting of a main body and a sub body, and since each is provided with a support roll, after temporarily supporting the winding shaft on the main body, the sub body can be attached to this main body. For example, the winding shaft can be fully supported. Therefore, the work of attaching the winding shaft can be easily performed. On the other hand, when removing the winding shaft, the winding shaft can be easily removed from the main body by removing the sub body from the main body.

From these things, according to this invention, there is provided an intermediate bearing device capable of securely supporting the winding shaft and easily attaching and detaching the winding shaft at the time of constructing the connecting shutter or at the time of repair. be able to.

[Brief description of drawings]

FIG. 1 is a front view of the intermediate bearing device of the present invention showing a state of supporting a winding shaft of a continuous shutter, FIG. 2 is an enlarged front view of part A in FIG. 1, and FIG. 3 is a sectional view taken along line BB of FIG. FIGS. 4 and 5 are exploded front views showing the mounting state of the winding shaft by the intermediate bearing device of the present invention, FIG. 5 is an exploded perspective view of the intermediate bearing device of the present invention, and FIG. 6 is a front view of the continuous shutter. Is. DESCRIPTION OF SYMBOLS 1 ... Intermediate bearing device, 2 ... Shutter slat, 3 ... Serial shutter, 4 ... Winding shaft, 5 ... Building frame, 6 ... Main body, 6a ...
Hollow part, 6b ... Fitting part, 7 ... Sub body, 7a ... Hollow part, 8 ... Notch, 9 ... Support roll, 10 ... Hole, 11 ... Coupling metal, 12 ... Screw, 13 ... Bracket, 14 ... Bearing, 15 ... Drive motor.

Claims (1)

[Scope of utility model registration request] 1. In a continuous shutter in which a plurality of shutter slats are connected in a row in a vertical direction of the winding shaft, a plurality of shutter slats are connected to each other with a gap therebetween, and the winding shaft is disposed in the gap of the winding shaft of the shutter to support the winding shaft. The intermediate bearing device includes a main body attached to a building body and a sub body detachably attached to the main body, and the main body and the sub body have a notch capable of accommodating the winding shaft of the shutter. And a plurality of support rolls arranged above and below each of the main body and the sub body along the notch, and the notches of the sub body and the main body when the sub body is attached to the main body. Forms a hole through which the winding shaft of the shutter penetrates, and each of the support rolls arranged along the notch contacts the circumference of the winding shaft to rotatably support the winding shaft. This Intermediate bearing device of the winding shaft in a twin shutter characterized by.