A sealed lock for electric meter box

Abstract

The invention relates to a sealed lock for an electric metering meter box. The sealed lock comprises a lock body, and is characterized in that a short lock hole, a long lock hole and an U-shaped lock beam are arranged at the upper end of the lock body; a hole sealing device is arranged in a key hole at the middle part of the lower end of the lock body; the short lock hole includes a sealing hole, a slide hole, a rectangular insertion hole, a sealing ring, a clamping ring, an extension rod, a sealing plug and a compression spring; the long lock hole is provided with an annular groove and a first limiting groove; the U-shaped lock beam is provided with a second limiting groove and a torsional spring; and the hole sealing device includes a lower groove, a water absorbing pad, a dust removing pad and a sealing plate. The sealed lock achieves substantial advancement on the sealing waterproof effect, effectively prevents rainwater from top to bottom, can prevent water in all directions, and achieves the dustproof effect; and in addition, the short lock hole, the long lock hole, the hole sealing device and the like are all inserted in the lock body without exposing, so that the structure can be effectively prevented from being damaged.

Description

technical field [0001] The invention relates to the technical field of locks, in particular to a sealed lock for a power meter box. Background technique [0002] When the lock of the existing power system metering device box is used in the open air, the lock will rust due to many reasons such as rainwater penetration and humidity for a long time, and it cannot be used. Come trouble, but also cause economic losses. [0003] The application date is 2014.08.15, and the patent with the application number 201420460310.7 discloses a waterproof lock, including a lock body and a lock hook arranged on the lock body. The special feature is that the lock body is located around the long rod end of the lock hook An annular boss is provided, and the long rod end of the lock hook is fixed with a waterproof cap covered on the boss. The lock body is provided with a protrusion corresponding to the short rod end of the lock hook, and the bottom surface of the short rod end is A groove corres...

AI Technical Summary

Problems solved by technology

[0004] The above-mentioned patent is waterproof by setting waterproof caps, waterproof covers and other structures, but it still has the following problems: 1. The waterproof caps and waterproof covers are all set outside the ordinary lock body. The flatness of the appearance is destroyed, and more importantly, the above-mentioned waterproof structure is easily damaged. For example, the waterproof cap, because it is arranged on the lock hook, the lock hook will inevitably be in contact with the locked object in the process of locking the object. If touched, it is very likely to receive damage; 2. The waterproof cover can only be used to prevent rainwater or other falling water from top to bottom, and cannot effectively isolate the moisture brought into the keyhole when the key is inserted, making the most precise The lock cylinder structure is facing the state of wading and corrosion

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