Front wiring case with front panel capable of overturning up and down

Abstract

The invention discloses a front wiring case with a front panel capable of overturning up and down. The front wiring case comprises a case body, an overturning device which is connected with the case body and is used for fixing the front panel, and an automatic locking device which is connected with the overturning device, is fixedly arranged on the case body and is used for positioning the front panel; the overturning device comprises an overturning support, fixing pieces and a connecting rod assembly, and one side of the overturning support is rotatably connected with the case body; the front panel is fixed by the overturning support, and the fixing pieces are fixedly arranged at both sides of the case body and are used for fixing the overturning support; the connecting rod assembly is connected between the overturning support and the fixing pieces. The front wiring case provided by the invention has the advantages of space saving, convenience in installation and manufacturing, and the operator vision cannot be affected; when the overturning support overturns up to 111 degrees, a dowel is automatically ejected from a retaining cap cylinder to a limiting hole in a connecting rod to realize the automatic locking, and the dowel can be unlocked by lightly pulling out a dowel handle to the opposite direction of the dowel.

Description

Technical field [0001] A front wiring chassis, especially a front wiring chassis with a front panel flipped up and down. Background technique [0002] With the proposed modularization of the new generation of smart substations, the use of prefabricated secondary equipment compartments is gradually increasing. In order to make full use of the space in the secondary equipment compartment and reduce the number of secondary equipment compartments, the screen cabinets in the cabin need to be arranged in two rows. The screen cabinet needs to be installed against the inner wall of the cabin, which results in no room for opening the door on the back side of the screen cabinet. The traditional back plug-in device can no longer meet the above requirements, which requires the design of a front wiring cabinet. However, in the prior art, the left-to-right flip mode has drawbacks: 1) The rollover rotation radius is too large. After the screen is assembled, the current panel module is opened, ...

AI Technical Summary

Problems solved by technology

The screen cabinet needs to be installed against the inner wall of the cabin, which leads to no room for opening the door on the back side of the screen cabinet. The traditional back plug-in device can no longer meet the above requirements, which requires the design of a front wiring box

However, in the existing technology, there are defects in the form of left-right flipping: 1) the radius of the side-turning rotation is too large, and the front panel module is opened after the screen is assembled, most of which protrude outside the cabinet door, occupying a lot of space and inconvenient to operate; The opening angle of the front panel module in the cabinet can only be slightly greater than 90°, which affects the insertion and removal of the plug-in on the side of the rotary hinge

3) The moment arm is too long, the overhead plate on the hinge side bears the weight of the front panel module, and the overhead plate is easy to deform and shake

The front panel module and the chassis are separated: there are defects: 1) The product with complete functions is divided into two parts. In the process of production, debugging and operation, in order to ensure the unity of the product, it is necessary to increase the workload of classification and reduce the efficiency; 2) When debugging the screen assembly, the front panel module needs to be removed, but the front panel module needs to be electrically connected, so it is inconvenient to place and fix the front panel module

Up and down translation type: there are defects: after the chassis screen is assembled, the front panel module is opened upwards when plugging in plug-ins or wiring debugging, the opened front panel will block the upper visible space, so two front panels should be considered in the design of the screen cabinet There must be a space of a single front panel height between the wiring devices, which may reduce the number of front wiring boxes that can be installed in a single panel cabinet (when the height of the front wiring box is greater than 4U), and increase additional costs

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