JPS61165921A - Switchgear - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed description of the invention] Industrial applications The present invention relates to switching devices for various types of equipment.

BACKGROUND OF THE INVENTION As shown in FIG. 6, this type of switch device has a knob 3 that penetrates a switch 2 sliding on a main body 1 to lock the switch 2, and a knob 3 that protrudes from the top surface of the switch 2. A spring 4 was provided to cause the Further, in order to give the switch 2 a feeling of turning on and off, a convex portion 7 is provided on the lower surface of the switch 2, and a tactile spring 6 is applied to the upper surface of the main body 1 opposite to this convex portion 7 to urge the switch toward the switch side. A tactile member was provided.

With the above configuration, when the knob 3 is pushed against the spring 4, the lock of the switch 2 is released, and the switch 2 can be slid and turned on. Also, when the convex part 7 passes over the touch member 5 at this time, there is a feeling of being turned on. can also be obtained.

Problems to be Solved by the Invention In such a conventional configuration, the locking mechanism uses knob 3.
and a spring 4, and a convex portion 7 and a feel member 6 as a feel mechanism.
There were problems in that the spring 6 was present, the number of parts was large, and the mold for molding the main body was complicated and the price was high.

If the switch device is still loaded with switch 2 in the on direction, something may be placed on or dropped from the switch device, or the switch may be in a bag and knob 3 may be pressed by mistake. When the switch 2 is turned on, this load causes the switch 2 to move in the on direction and turn on.

The present invention is intended to solve these problems, and aims to reduce the number of parts, have a simple structure, be easily molded, and reduce the cost.

Furthermore, even if a load is applied to the switch in the on direction, even if the knob malfunctions, the switch does not easily turn on, and can only be turned on when manually operated, which improves safety. The purpose is to

Means to Solve the Problem In order to solve this problem, the present invention provides a structure in which when the top surface of the knob is pushed into the switch operation surface, the surface of the knob that comes into contact with the hole provided in the main body forms an inclined surface. The structure is as follows.

Function: With this configuration, the switch can be operated with a finger in the on direction only when the top surface of the knob is pushed within the switch operating surface with the finger, and the slanted surface also makes it possible to feel the switch on.

Example An embodiment of the present invention will be described below with reference to the drawings.

In FIGS. 1 to 3, reference numeral 8 denotes a switch that slides on the top surface of the main body 12 of various devices, and has a knob hole 9 penetrating it approximately in the center. A knob portion 16 of a knob 1o, which is urged upward by a spring 11 from below, is inserted into the knob hole 9 and extends over the switch operation surface 22 on the upper surface of the switch 8. This knob 10 has a protruding lock part 17 on both sides of the knob part 16, and a slope 20 is provided at the end of the lock part 17 in the direction in which the switch 8 is turned on. On the other hand, the main body 12
A lock hole 15 is provided in which the lock portion 17 of the knob 10 is inserted.

Then, the switch 8 slides on the top surface 13 of the main body,
On the lower surface 14 of the main body, the upper surface of the lock portion 17 of the knob 10 slides. In other words, the main body 12 is constituted by the switch 8 and the lock portion 17.

Furthermore, when the switch is off, the lock part 1 of the knob 10 enters the lock hole 15 by the spring 11 to lock the movement of the switch 8, and the knob part 16 protrudes from the top surface of the switch operation surface 22; When the lock hole 18 is pushed in until it is flush with the switch operation surface 22 or less, the lock hole 16 is configured to come into contact with the lock inclined surface of the lock portion 17.

Next, the operation of the above configuration will be explained.

When the knob 10 is turned off, the spring 11 urges the knob 10 upward, so the knob 16 protrudes from the knob hole 9 of the switch 8, and the lock part 17 of the knob 10 is pushed into the lock hole 15.
switch 8 is locked.

Next, push the knob part 16 with your finger, and press the knob top surface 18.
When the angle becomes lower than the switch operation surface 22, it is the lock inclined surface 2o that comes into contact with the lock hole 16. At this time, when an attempt is made to slide the switch 8 in the on direction, the lock inclined surface 20 is pulled out from the lock hole 16, and the switch 8 is slid and turned on. Here, when the lock inclined surface 20 is pulled out from the opening 15, a "on" feeling can be obtained.

As is clear from the above, the knob upper surface 22 of the knob portion 16
However, when the switch 8 becomes flush with the switch operation surface 22 or less, the switch 8 becomes slidable, so if you press the knob 16 with a soft finger, it will turn on, but if an object just hits the knob 16, the switch 8 will turn on. Since it is not slidable, it is a safe switch device that will not turn on unexpectedly. In addition, since the locking mechanism also serves as a feel mechanism, the device is inexpensive and has a small number of parts.

Next, a case will be described in which an embodiment of the present invention is used in a catalytic combustion device.

In FIG. 4, the liquefied fuel 24 in the tank 23 is vaporized by the vaporizer 25, passes through the nozzle 26, and is combusted by the catalyst device 2 to heat the curler base 28. Here, the nozzle 26 is in contact with the switch 8. Even when the product is not in use, almost the same saturated vapor pressure is applied to the nozzle 26 by the liquefied fuel 24 in the tank 23 through the vaporizer 26, pushing the switch 8 in the on direction. To explain the operation in a switch configuration in which the load is applied in the ON direction of the switch 8, when the knob top surface 18 enters the switch 8 to the extent that it can be pushed in with a finger beyond the switch operation surface 22, it locks into the lock hole 15. Slope 20
A is in contact with the switch (B), and an object accidentally hits the switch 8, causing the top surface 18 of the knob to touch the switch operation surface 22.
Even if the lock surface 19 is on the same surface as the lock hole 1S
switch 8 does not turn on. The switch 8 is turned on only when the knob is pushed in by 1° with a finger, the upper surface 18 of the knob is inserted into the switch operation surface, and the switch 8 is operated in the on direction.

As mentioned above, if something is placed on or dropped from switch 8, or if you accidentally press switch 10 while it is in your bag.
Even if is pressed, the top surface of the knob is at worst the switch operation surface 2.
2, and the lock surface 19 is still in the lock hole 15.
The switch 8 has a highly safe switch configuration that prevents it from being accidentally turned on.

Effects of the Invention As described above, according to the invention, since the locking mechanism and the touch mechanism of the switch are made of the same member, the number of parts is small, and it is possible to achieve a low-111Ti structure that has a simple structure and is easy to mold. In addition, even if the switch is structured so that a load is applied in the on-direction, the switch will not turn on even if something hits the switch, and it will only turn on when operated by hand.''
It measures the second thing.

[Brief explanation of drawings]

Fig. 1 is a three-dimensional view showing a switch device according to an embodiment of the wooden invention, Figs. 2 and 3 are enlarged views of the same essential parts, and Fig. 4 is a cross section showing a catalytic combustion device using the switch device of the invention. FIG. 5 is a sectional view showing a conventional switch device. 8...Switch, 10.Knob, 11.
...Spring, 12...Body, 16...
...Lock hole, 2o...Lock slope. Figure 3 Figure 5 J?

Claims (1)

[Claims] A through hole provided on the switch operation surface of the switch, a knob that can freely protrude into the hole from below, an elastic body that biases the knob in a direction to protrude from the hole, and a main body surface on which the switch slides. A switch device comprising a hole through which the knob can freely move in and out, and when the upper surface of the knob enters below the switch operation surface, a portion of the knob that comes into contact with the hole becomes an inclined surface.