JPH0621142Y2 - Operation lever misoperation prevention device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to a cover mounting structure for preventing erroneous operation of an operating lever of a circuit breaker housed in a power supply device or the like.

[Conventional technology]

FIG. 4 is an assembly diagram of a power supply device which houses, for example, a circuit breaker. In FIG. 4, 1 is the main body of the power supply device, 2 is the operating surface of the power supply device, 3 is a circuit breaker, 4 is an operating lever of the circuit breaker, and 5 is a protruding guard for preventing erroneous operation of this operating lever. .

[Problems to be solved by the invention]

In order to prevent accidental operation of a person's hand or object by accidentally hitting the operating lever of the circuit breaker, the conventional method is to screw the guards 5 protruding on both sides of the operating lever 4 as shown in FIG. There are those that are fixed so that the hands and things are hard to hit the operation lever 4, and those that use a magnet to attach an erroneous operation prevention cover to the operation surface of the device. However, in the former method, since a part of the operation lever 4 is exposed, it is not possible to completely prevent an erroneous operation, and in the latter method, there is a problem that the cover is displaced or comes off.

The present invention has been made in order to solve the above problems, and an object thereof is to provide a device that has a simple structure and can completely prevent erroneous operation of the operation lever.

[Means for solving problems]

An erroneous operation preventing device according to the present invention includes a guide attached to an operation surface of a device, the guide having a lower receiving portion and both side vertical guide pieces,
The guide is configured to be detachably mounted and cover the operation lever.

[Action]

The erroneous operation prevention cover according to the present invention covers the periphery of the operation lever by inserting it into the guide attached to the operation surface of the device from above, and prevents the human hand or an object from hitting the operation lever.

〔Example〕

1 to 3 show an embodiment of the present invention, in which 1 to 4 are the same as those in FIG.
Is a removable plastic cover for covering the operation lever 4, and has protruding pieces 6b on both sides of a convex cover portion 6a. Reference numeral 7 designates a guide to which the plastic cover 6 is removably attached and which is held by the lower receiving portion 7a so as not to fall off. By providing the bent portion 7c, a slight gap g is formed between it and the operation surface 2. The guide 7 is attached to the operation surface 2 with screws 8.

As described above, by covering the periphery of the operating lever 4 of the circuit breaker with the plastic cover 6, it is possible to prevent the operating lever from being hit by a person's hand or an object and to prevent the system during driving from being disturbed.

In the above embodiment, the power supply device housing the circuit breaker is described, but an electronic control device (for example, CPU
It can also be used as a unit switch.

[Effect of device]

As described above, according to the present invention, the guide 7 having the lower receiving portion 7a and the vertical guides 7b on both sides is constituted by the combination of the convex cover 6 which is mounted only by dropping the guide 7 from above. The cover 6 can be easily attached and detached without using screws, etc., and even if the cover is accidentally hit by a hand or a tool, the cover may be rotated and there is no danger of being defenseless. Moreover, since the switch cannot be operated unless the cover is removed, there is an effect that a highly reliable cover device can be provided easily and inexpensively, which does not hinder the system in operation due to an erroneous operation.

[Brief description of drawings]

FIG. 1 is an assembly drawing of a power supply device showing an embodiment of the present invention,
2 and 3 are perspective views of the essential parts, and FIG. 4 is an assembly view of a conventional power supply device. In the figure, 1 is a power supply device main body, 2 is an operation surface, 3 is a circuit breaker, 4 is an operation lever, 6 is a plastic cover, and 7 is a guide.

Claims (2)

[Scope of utility model registration request] Claim: What is claimed is: 1. A device having a switch operating lever 4 attached to an operating surface 2 of the device 1, wherein the operating surface 2 of the device 1 is provided.
A cover guide 7 having a bent portion 7c and a lower receiving portion 7a and vertical guide pieces 7b standing upright at both ends thereof. On the other hand, there is provided a convex cover 6 having both side projecting pieces 6b fitted in the gap g inside the vertical guide piece 7b, and this cover 6 is guided by the cover guide 7 and can be inserted and removed from above, An erroneous operation prevention device for an operation lever, characterized in that it covers the operation lever 4 while being supported by a receiving portion 7a of a cover guide so as not to fall off when attached. 2. The erroneous operation preventing device for an operating lever according to claim 1, wherein the cover is made of plastic.