CN219952978U - Locking mechanism of ring main unit - Google Patents

Abstract

The utility model relates to a locking mechanism of a ring main unit, which belongs to the technical field of ring main units and comprises a ring main unit and a locking assembly, wherein the locking assembly is arranged on the inner wall of a cabinet door of the ring main unit, the locking assembly comprises a bottom plate, a first lock and a second lock, the first lock is arranged on the bottom plate, the cabinet door of the ring main unit is provided with a first locking opening and a second locking opening, the first locking opening corresponds to the first lock, the second locking opening corresponds to the second lock, the bottom plate is provided with a mounting frame, the second lock is arranged on the mounting frame, the first locking opening is provided with a sector plate, the sector plate is provided with an opening which has the same size and shape as the second locking opening, when the first locking opening is coaxial with the second locking opening, the second locking opening is provided with a two-way locking structure, the second locking opening is unblocked by the opening of the first locking opening, and then the second locking opening can be used by the keys of the second locking opening, and particularly, the first locking and the second locking opening can be arranged on different persons, compared with the lock, and the opening, and the locking opening.

Description

Locking mechanism of ring main unit

Technical Field

The utility model belongs to the technical field of ring main units, and particularly relates to a locking mechanism of a ring main unit.

Background

The ring main unit is an electrical device with a group of high-voltage switch devices arranged in a steel plate metal cabinet body or made into an assembled interval ring main unit, and the core part of the ring main unit adopts a load switch and a fuse, and has the advantages of simple structure, small volume, low price, capability of improving power supply parameters and performance, power supply safety and the like.

The prior ring main units are all of a single-lock structure, and the key is easy to open and damaged, so that the safety is not high enough.

Disclosure of Invention

1. Technical problem to be solved by the utility model

The utility model aims to solve the defects that the prior ring main units are of a single lock structure, keys are easy to open and damaged, and the safety is not high enough.

2. Technical proposal

In order to achieve the above purpose, the technical scheme provided by the utility model is as follows:

the utility model relates to a locking mechanism of a ring main unit, which comprises the ring main unit and a locking assembly, wherein the locking assembly is arranged on the inner wall of a cabinet door of the ring main unit, the locking assembly comprises a bottom plate, a first lock and a second lock, the first lock is arranged on the bottom plate, the cabinet door of the ring main unit is provided with a first locking opening and a second locking opening, the first locking opening corresponds to the first lock, the second locking opening corresponds to the second locking opening, the bottom plate is provided with a mounting frame, the second locking assembly is arranged on the mounting frame, the first locking assembly is provided with a sector plate, the sector plate is provided with a first opening with the same size and the same shape as the second locking opening, and when the first locking opening is coaxial with the second locking opening, the second locking opening can be opened by a corresponding key of the second locking assembly.

Preferably, the mounting frame is provided with a rotating groove which is an arc-shaped groove, the circle center of the rotating groove is concentric with the rotating center of the sector plate, the sector plate is provided with a roller, and the sector plate moves in the rotating groove through the roller.

Preferably, the first lock comprises a rotary gear and a lock shaft, the lock shaft is arranged in the first lock opening, the rotary gear is arranged on the lock shaft, a toothed plate is arranged on the sector plate, and the toothed plate is kneaded with the rotary gear.

Preferably, the locking assembly is provided with a protective cover, one side of the protective cover is of an open structure, and the lock rod and the sector plate of the second lock penetrate through the open structure to clamp the ring main unit.

3. Advantageous effects

Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:

(1) The locking mechanism of the ring main unit is provided with the two lock structures, the opening is not blocked by opening the first lock, and then the second lock can be unlocked by using the second key of the second lock, so that the safety of the whole ring main unit is improved, and particularly, the first lock and the second lock can be opened on different persons, and compared with the case of only one lock, one key is lost and is easy to be opened.

Drawings

FIG. 1 is a schematic diagram of a locking mechanism of a ring main unit according to the present utility model;

FIG. 2 is a schematic diagram of a locking assembly of a locking mechanism of a ring main unit according to the present utility model;

fig. 3 is a schematic front view of a ring main unit of a locking mechanism of the ring main unit according to the present utility model.

Reference numerals in the schematic drawings illustrate:

100. a ring main unit; 110. a first locking port; 120. an opening II; 130. an opening I;

200. a latch assembly; 210. a bottom plate; 211. a mounting frame; 212. a rotating groove; 220. a first lock; 221. a sector plate; 230. a second lock; 240. and a protective cover.

Detailed Description

In order that the utility model may be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings, in which, however, the utility model may be embodied in many different forms and are not limited to the embodiments described herein, but are instead provided for the purpose of providing a more thorough and complete disclosure of the utility model.

It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present; when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present; the terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs; the terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model; the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Example 1

Referring to fig. 1-3, a locking mechanism of a ring main unit of the present embodiment includes a ring main unit 100 and a locking assembly 200, the locking assembly 200 is mounted on an inner wall of a cabinet door of the ring main unit 100, the locking assembly 200 includes a bottom plate 210, a first lock 220 and a second lock 230, the first lock 220 is mounted on the bottom plate 210, the cabinet door of the ring main unit 100 is provided with a first locking opening 110 and a second locking opening 120, the first locking opening 110 corresponds to the first lock 220, the second locking opening 120 corresponds to the second lock 230, the bottom plate 210 is provided with a mounting frame 211, the second lock 230 is mounted on the mounting frame 211, the first lock 220 is provided with a sector plate 221, the sector plate 221 is provided with an opening 130 which has the same size and shape as the second locking opening 120, when the first opening 130 is coaxial with the second locking opening 120, the locking opening 230 can be opened by a corresponding key of the second locking opening 230, the structure is provided, the opening of the second locking opening 220 is unblocked, the second locking 230 can be used, the security of the whole ring main unit 100 is improved, and the first locking unit 220 can be particularly placed on the second lock 230 and the second lock 230 to be opened by a person with a different key.

The installation frame 211 of the embodiment is provided with a rotating groove 212, the rotating groove 212 is an arc-shaped groove, the center of the rotating groove 212 is concentric with the rotation center of the sector plate 221, the sector plate 221 is provided with a roller, the sector plate 221 moves in the rotating groove 212 through the roller, and the designed structure keeps the rotation of the whole sector plate 221 stable.

The first lock 220 of this embodiment includes a rotation gear and a lock shaft, the lock shaft is installed in the first lock mouth 110, the rotation gear is installed on the lock shaft, the sector plate 221 is provided with a toothed plate, the toothed plate is kneaded with the rotation gear, the designed structure is stable in transmission through gear rotation, and can not be easily swayed.

The lock assembly 200 of this embodiment is provided with a protection cover 240, one side of the protection cover 240 is of an open structure, and the lock rod of the second lock 230 and the sector plate 221 penetrate through the open structure to clamp the ring main unit 100, so that the protection cover 240 protects.

The foregoing examples merely illustrate certain embodiments of the utility model and are described in more detail and are not to be construed as limiting the scope of the utility model; it should be noted that it is possible for a person skilled in the art to make several variants and modifications without departing from the concept of the utility model, all of which fall within the scope of protection of the utility model; accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (4)

1. A locking mechanism of looped netowrk cabinet, its characterized in that: including looped netowrk cabinet (100) and locking subassembly (200), locking subassembly (200) are installed on the inner wall of the cabinet door of looped netowrk cabinet (100), locking subassembly (200) include bottom plate (210), lock one (220) and lock two (230), lock one (220) are installed on bottom plate (210), be equipped with fore shaft one (110) and opening two (120) on the cabinet door of looped netowrk cabinet (100), fore shaft one (110) corresponds with lock one (220), opening two (120) correspond with lock two (230), be equipped with mounting bracket (211) on bottom plate (210), lock two (230) are installed on mounting bracket (211), be equipped with sector plate (221) on lock one (220), be equipped with on sector plate (221) with opening two (120) size and the same opening one (130) of shape, when opening one (130) with opening two (120) coaxial, the corresponding key two (230) of accessible lock two (230).

2. The locking mechanism of a ring main unit according to claim 1, wherein: be equipped with on mounting bracket (211) and rotate groove (212), rotate groove (212) and be the arc groove, the centre of a circle in rotation groove (212) is concentric with the rotation center of sector plate (221), be equipped with the gyro wheel on sector plate (221), sector plate (221) are through gyro wheel removal in rotating groove (212).

3. The locking mechanism of a ring main unit according to claim 1, wherein: the first lock (220) comprises a rotating gear and a lock shaft, the lock shaft is arranged in the first locking port (110), the rotating gear is arranged on the lock shaft, a toothed plate is arranged on the sector plate (221), and the toothed plate is kneaded with the rotating gear.

4. The locking mechanism of a ring main unit according to claim 1, wherein: be equipped with safety cover (240) on latching subassembly (200), one side of safety cover (240) is open structure, locking lever and sector plate (221) of lock two (230) all pass open structure and block looped netowrk cabinet (100).