JPS5849343Y2 - window opening/closing device - Google Patents

Description

[Detailed Description of the Invention] This invention relates to a window opening/closing device for operating and closing a plurality of revolving doors attached to windows disposed laterally with a single handle.

Conventionally, the above-mentioned window opening/closing device installed at a high position has been installed by rotating the handle of an operation box a fixed to a wall at an appropriate height above the floor, as shown in Figures 3 to 5. and a gear wheel d slidably inserted into the pipe b.
The guard cable d is formed in the same manner as the guard cable d within the opening/closing if fixed along the upper side of the window frame e. It meshes with the sub-cable g that has been connected and transmits the motion,
The sub-cable g is guided so as to be bent 9 times within the switch f, and its tip is directly fixed to the upper rail of the revolving door hinged to the lower side of the window frame e, and the sub-cable g is rotated by the movement of the sub-cable g. Some were configured to open and close doors.

However, in the above-mentioned device, although the angle of the sub-cable g coming out from the opening/closing if is constant, the tip height of the sub-cable g changes depending on the change in the opening degree of the revolving door, so the sub-cable g is curved. Furthermore, since its tip is fixed to the revolving door, the sub-motor 7" is bent in a complicated manner when opening and closing.
The sliding resistance at the exit of the
Since it is given a complicated bend in order to engage with the guard cable d inside, there is resistance for bending and resistance for sliding, and the efficiency of motion transmission is low. The number of revolving doors that can be operated is small.

Further, the transmission efficiency is extremely poor near the point where the revolving door is opened to 96), so in fact it cannot be opened to 96).

When installing, the guard cable d cannot be routed with the sub cable g attached to the opening/closing 5f, so a closing fitting is required to temporarily keep the window closed. Depending on whether it is installed on the left or right side of the switch f, the lid may be on the upper side.In such cases, if there is little clearance with the ceiling, it may take time to adjust the engagement with the guard cable d, resulting in poor workability. was there.

In view of the above, this design has low operating resistance, can open and close multiple revolving doors with one gearbox, can obtain openings of 96g or more without changing motion transmission efficiency, and is easy to install. This provides a device with good workability.

The gist of this invention is that the movement of the guard cable is transmitted to the sub-cable via the gear wheel, and the sub-cable is guided to a bent tube that is rotatably supported at one end by a gear box that pivots the gear wheel. The sub-cable is bent so that the tip of the sub-cable is connected to the revolving door so that it can swing freely.

An example diagram of this invention will be explained below.

In FIGS. 1 and 2, an operation box 1, a pipe 2,
The guard cable 3 attachment fittings 4, etc. are formed and arranged in the same manner as in the conventional device described above.

The gear box 5 is mainly composed of a main body part 6, a cap part 1, and a gear wheel 8, and the gear wheel 8 is pivotally supported near the center of the main body part 6 by a horizontal axis in the longitudinal direction. A guide hole for guiding the sub-cable 9 is drilled, and a part corresponding to the gear wheel 8 is cut out in this part, so that the sub-cable 9 meshes with the gear wheel 8, and the guard cable 3 is also connected to the cap part γ. A guiding hole is drilled parallel to the sub-cable 9, and a portion corresponding to the gear wheel 8 is cut out in this part, and the guard cable 3 is disposed so as to mesh with the gear wheel 8, and the gear wheel 8 The section γ is connected to the pipe 2 via a connecting pipe 10, and is also connected to an adjacent gear box by the pipe 2 and the connecting pipe 10.

The cap portion T has insertion portions formed at the lower portions of both left and right ends thereof, and the iron portion is inserted into a groove carved on the upper surface of the main body portion 6 and connected using a machine screw inserted from the front.

The main body part 6 is also formed to be fixed to the mounting bracket 11 with a small screw inserted from the front.The bracket 11 has an L-shaped cross section, and its horizontal part is fixed to the upper side of the window frame 12, and the main body part 6 is fixed to the vertical part. It is formed to fix.

The bent pipe 13 is bent at right angles, the sub-cable 9 passes through the pipe, and one end of the bent pipe 13 is rotatably connected to the main body 6.

Reference numeral 14 denotes a sub-cable pipe, which is connected to the main body 6 concentrically with the bent pipe 13, and its tip end is fixed to the window frame 12 together with the pipe 2 by a bracket 15.

The tip of the sub-cable 9 is connected to a connecting metal fitting 16, and the connecting metal fitting 16 is fixed to the upper rail of the revolving door 11. A U-shaped mounting part is provided protruding from the mounting part, and the sub-cable 9 is attached to the iron part. A long hole is drilled in the sandbag into which the cable is inserted and can swing up and down, and a sleeve is fixed to the end of the sub-cable 9 to prevent it from being pulled out, and the sub-cable 9 pushes and pulls the revolving door 1T. It is designed so that it can be done.

The above-mentioned configuration is installed for each revolving door, and the pipe 14 for the end of the pipe 2 and the final end of the revolving door 1γ is installed for each revolving door.
The terminal is curved downward and fixed to the vertical side of the window frame 12 by a bracket 15.

Next, the operation of this invention will be explained.

When the bundle of the operation box 1 is rotated and the gear wheel inside the pipe 2 is slid, the sub-cable 9 slides through the gear wheel 8 and opens and closes the revolving door 11 through the connecting fitting 16.

During the process of opening and closing, the connecting fitting 16 moves in a circular arc and changes its height and angle, but the bent tube 13 follows this change and undergoes angular displacement, and the horizontal sub-cable 9 rotates while sliding. Exercise to move.

The angle change is absorbed by the sub-scale 7'' rocking relative to the mounting bracket 16.

According to this invention, since the sub-cable 9 is only bent at one point, the resistance due to bending is extremely small, and the connection of the sub-cable 9 to the revolving door 1T is also swingable, so that the cable 9 does not bend. Therefore, there is almost no change in resistance with respect to changes in the opening degree of the revolving door 17, making it easy to operate.
Alternatively, it is possible to completely open the door to an angle slightly exceeding that angle, thereby increasing the number of revolving doors that can be operated with one operation box.

Furthermore, by attaching and removing machine screws from the front, the gear box 5 can be disassembled and the guard cable 3 and the sub cable 9 can be easily insulated. Therefore, there is no need for a closing fitting to temporarily close the revolving door 1T for assembly work, improving work efficiency and making installation work easier even when the distance from the ceiling is small. There are other effects.

Note that this invention is not limited to the above-mentioned explanation and illustrations, and its embodiments can be modified without departing from the technical idea of this invention.

[Brief explanation of drawings]

1 and 2 show an embodiment of this invention, FIG. 1 is an overall perspective view, FIG. 2 is a perspective view of the main parts, FIGS. 3 to 5 show the prior art, and FIG. Figure 3 is a perspective view showing the relationship between the revolving door and the switch, and Figure 4 is the operating gear box, switch,
FIG. 5 is a perspective view showing the relationship between the sub-cable and the mounting bracket, and FIG. 5 is a plan view showing the relationship between the sub-cable and the gear wheel that is inserted into the switch. 1... Operation box 2... Pipe, 3... Gear wheel 5... Gear box, 8... Gear wheel 9... Sub cable, 12... Window frame, 1
3...Bent pipe, 16...Connecting fittings, 11...Rotating door.

Claims (1)

[Scope of utility model registration request] A device that reciprocates a guard cable in the axial direction and opens and closes a revolving door via a sub guard cable interlocked with the guard cable, the guard cable and the sub guard cable being connected in parallel. A gear box that guides and pivotally supports a gear wheel that meshes with both cables is fixed to a window frame, etc., and a bent pipe that guides the sub-girder cable in a right angle direction is rotatably attached to one end of the gear box. A connecting fitting formed to be able to be secured to the cable is attached to the tip of the sag guard cable at the part that is supported and comes out from the bent pipe, and the connecting fitting is fixed to the revolving door. Window closing device.