Hidden protective lock and power supply device with hidden protective lock

Abstract

The invention relates to a hidden protective lock and a power supply device with a hidden protective lock. The hidden protective lock comprises a lock base, a sliding lock plate and a lock pin assembly, wherein a strip-shaped through hole is formed in the sliding lock plate, the cross section of the strip-shaped through hole comprises two end parts and a rectangular part, and in the direction vertical to the sliding direction of the sliding lock plate, the maximum height of each of the two end parts is larger than that of the rectangular part; the lock pin assembly comprises a lock pin seat, a lock pin and a spring, wherein the lock pin seat is arranged on the lock seat, a first section and a second section are arranged on the first end of the lock pin, wherein the width of cross section of the first section is smaller than that of the rectangular part, and the shape of the cross section is adaptive to that of each of the two end parts, and when the second section is clamped in one of the two end parts, the sliding block plate is locked; and the power supply device is provided with the hidden protective lock. The hidden protective lock is arranged in a device needing to be protected, and non-professionals can not operate the hidden protective lock without operation instructions.

Description

technical field [0001] The invention relates to a protection device for electrical products, more specifically, to a concealed protection lock and a power supply device with the concealed protection lock. Background technique [0002] For some electrical products, such as some power supply products, professionals are required to operate them, and casual operation by non-professionals may damage the equipment and even lead to safety accidents. For this situation, it is necessary to add protective devices on these electrical products to prevent non-professionals from operating the products. The more commonly used protective devices are as follows. [0003] 1. Use a special cover for protection. Such as figure 1 As shown, it is a commonly used protective measure. The switch and other operating parts are covered with a special cover plate 1. The cover plate 1 is locked on the panel 3 of the chassis by screws 2, and a warning mark is printed on the cover plate 1. For example:...

AI Technical Summary

Problems solved by technology

[0008] The technical problem to be solved by the present invention is to provide a concealed protective lock and a power supply device with the concealed protective lock for the above-mentioned defects of inconvenient operation and affecting the appearance of the protective device for electrical products in the prior art. The lock is easy to operate without affecting the appearance of the product

Images