JPS628105Y2 - - Google Patents

Description

[Detailed description of the invention] This invention relates to the improvement of the operating section of a pull switch.
To reduce tensile force and enable smooth operation of a pull switch whose pull handle is installed so that it can be operated diagonally.

Conventionally, for example, in a straight tube lighting fixture, when the number of lamps is odd, the lamps are placed in the center, so the pull switch is mounted offset from the center.
Even in such cases, the drawstring of the pull switch is pulled out from the center of the device, and care is taken to ensure uniformity in appearance. Therefore, in order to reduce the pulling force on the pull cord, a mount is required on which the pull switch is mounted diagonally. If the pull switch is installed horizontally, the pulling direction of the pull string 2 of the pull switch 1 and the direction of the puller 4 attached to the rotor 3 of the switch will deviate by an angle θ as shown in Figures 3 and 4. Therefore, not only can the pull switch 1 not be operated unless the pulling force is strong, but the pull 4 will rub against the edge of the insertion hole 5 of the switch body, requiring an even larger pulling force.

The present invention is a pull switch that eliminates the above-mentioned drawbacks of the conventional pull switch, and an embodiment thereof will be described below.

FIG. 1 shows a state in which a pull switch 7 of the present invention is attached to a straight tube lighting fixture 6 having an odd number of lights as described in the conventional example, and the pull switch 7 is attached horizontally without the need for a mounting base. A straight tube fluorescent lamp 8 is attached to the straight tube lighting device 6, and a pull string 9 of the pull switch 7 is pulled out downward from the center of the straight tube lighting device 6.

FIG. 2 shows an embodiment of the pull switch 7 of the invention, with a rotor 10 for actuating the switch element.
A puller 11 made of a wire rod has one end connected to the drawstring 9 and the other end connected to the drawstring 9, and has a curved shape.
Moreover, it is arranged along the pulling direction of the drawstring 9. Further, by expanding a part of the rotor 10 as shown by the hatched area, the base portion of the puller 11 attached to the rotor 10 comes into contact with the end surface of the rotor 10.

As described above, in the present invention, when the pull cord 9 is installed so that the pull cord 9 is pulled diagonally and the pull handle 11 is operated, the base portion of the pull handle 11 is approximately parallel to the center direction of the rotor 10 due to the above-mentioned configuration. Make a right angle and pull the handle 1
1 to the rotor 10 is carried out most efficiently, and the force is also transmitted smoothly from the drawstring 9 to the puller 11, which has the effect of significantly improving the usability.

[Brief explanation of the drawing]

Figure 1 is a side sectional view of a straight tube lighting fixture equipped with a pull switch of the present invention, Figure 2 is a front view of a pull switch according to an embodiment of the present invention, and Figures 3 and 4 are front views of a conventional pull switch. be. 6...Straight tube lighting equipment, 7...Pull switch, 8
... Straight tube fluorescent lamp, 9 ... Drawstring, 10 ... Rotator, 11 ... Pull handle.

Claims (1)

[Scope of utility model registration request] In a pull switch installed so that a pull string is pulled in a diagonal direction to operate a pull switch, the pull switch is shaped into a curve along the pulling direction of the pull string, and a part of the rotor is expanded. As a result, the base of the puller attached to the rotor is brought into contact with the end face of the rotor, and the base of the puller is maintained substantially perpendicular to the center direction of the rotor. A pull switch that is characterized by the following: