RU217900U1 - SWITCHGEAR CABINET WITH TILT-PULL-OUT MOUNTING PLATE - Google Patents

Abstract

The utility model relates to the field of electrical engineering and can be used in cabinets in both mixed and complete switchgears. EFFECT: ensuring movement of the circuit board within the housing of the switchgear cabinet and tilting it up or down at an angle from 0° to 45° in two directions with fixation, without the use of additional auxiliary devices. The technical result is achieved by the fact that a switchgear cabinet with a tilt-and-pull mounting plate, containing a housing, on the side walls of which rail guides are fixed, made with the possibility of horizontal movement along them by means of a rotary device carriage with a mounting plate fixed on it for placing electrical equipment on it. In this case, the rotary device is made with a latch, and the circuit board is fixed with the possibility of rotation on the carriage. The carriage is made with a through hole with an arcuate transition containing locking positions for adjusting the angle of inclination of the mounting plate from 0° to 45° with a certain step in two directions using a rotary device lock. In this case, the latch of the rotary device is a pin, made with the possibility of translational movement with the help of a rotary handle fixed in the rotary device, and engagement with the through hole of the carriage in the required fixation position of the arcuate transition. 2 w.p. f-ly, 5 ill.

Description

The utility model relates to the field of electrical engineering and can be used in cabinets both in mixed and complete switchgears made of individual elements assembled together in the form of a set for various purposes.

In the prior art, a power distribution cabinet is known (China utility model patent No. 210350477, IPC H02B-01/36, H02B-01/38, H02B-01/56, publ. 04/17/2020), containing a cabinet body and a door cabinet, while the cabinet body and the cabinet door are rotatably connected through a hinge. The guides are located at the two ends of the lower wall of the inner cavity of the cabinet body. Magnets are located on the inner wall of the cabinet body at the inner end of the guide rails, a restrictive block is located on the upper surface of the outer end of the guide rails, a movable frame is located inside the cabinet body, containing a lower U-shaped frame and two vertical plates. Two vertical plates are fixed respectively on the upper surfaces of the left end and the right end of the U-shaped frame, on the inner side surfaces of which the first sliding grooves are made. Inside the first grooves of the slider are the first sliders. Springs are connected between the first sliders and the bottom walls of the first slider slots. The first bearings are located in the middle of the first sliders, and magnetic blocks are located on the back side. The rolling groove is installed at both ends of the bottom surface of the U-type frame, inside there are many gyro wheels, which are provided with a rolling groove. The placement groove is installed at both ends of the U-type frame. The lower surface of the anterior segment is rotatable and provided with a swivel arm to accommodate the insert, it is provided with a circuit board that can be removed for installation.

The disadvantage of this device is: the complexity of the design of the withdrawable device, which requires increased attention and maintenance of the device itself; high weight and size indicators of the movable frame; when rolling out the mounting panel, there is no access to the inside of the panel; the mounting plate can only be rotated in one direction.

A switchgear cabinet is known from the prior art (patent for invention EP0815623, IPC H05K 7/18, H02B 1/30, H02B 1/32, H02B 1/54, publ. 01/07/1998), containing a support frame assembled from frame legs and closed with wall elements or at least one cabinet door or closed. The bottom of the frame is connected to the undersides of the plate damper frame, which can be connected to the top surface of the solid body with the deck base. The frame can be adjusted as a unit in relation to the base.

The disadvantage of this device is: for carrying out revision work, it is necessary to dismantle one or two cabinet walls or completely dismantle the mounting panel; mounting plate tilts from top to bottom without clamps; there are no handles to hold.

A system for mounting a panel inside a case is known from the prior art (U.S. patent No. 10512190, IPC H05K 3/30, A47B 47/03, H02B 1/01, H02B 1/30, etc., publ. 12/17/2019) , including a fence frame with a plurality of frame elements, and the system contains a plurality of sliding blocks, each sliding block includes a sliding block support shelf configured to receive and support panels, that is, the sliding block is installed on the supporting surface of the corresponding one of the frame elements , at least partially separated from the supporting surface by a recess between the sliding block and the supporting surface and containing a plurality of locking blocks.

The disadvantage of this device is: for carrying out revision work, it is necessary to dismantle one or two walls of the cabinet or completely dismantle the panel; many sliding and locking blocks; there is no possibility to rotate the panel; a set of tools is needed to move the panel; there are no handles to hold the panel.

The closest analogue is the junction box mounting plate (China utility model patent No. 212543094, IPC H02B 1/46, H02B 1/48, publ. a block movably connected to the fixing frame and a component fixing plate, two ends of the component fixing plate are connected to the sliding block, respectively, a sliding guide is located on the fixing frame along the length direction of the fixing frame, and a plurality of first mounting holes are formed in the sliding guide along the length direction; the sliding block is slidably built into the rail, the second positioning holes are formed at the upper end and the lower end of the sliding block, and the second positioning holes and the first positioning holes can be overlapped; the diameters of the annular groove, the fixing head and the rotating through holes are the same, and the size of the connecting rod is smaller; when the connecting rod is not working, the locking heads are simultaneously fixed in the annular grooves and rotating through holes under the action of the elastic force of the connecting rod spring. The locking heads fully engage in the annular grooves after the connecting rod is swaged, and the rotating plate can rotate using the connecting piece as a shaft.

The disadvantage of this device is: the slope of the mounting plate is implemented in one direction; plate tilt has three fixed positions; there are no handles to hold the plate; to rotate the plate, you must simultaneously hold the latch and turn the plate; weak design of the plate rotation lock.

The objective of the utility model is to provide the cabinet with a structure for moving the circuit board within the housing with the possibility of tilting it up or down at an angle of up to 45 ° together with various types of electrical equipment installed without the use of additional auxiliary devices on the part of the attendants, both when moving and when tilting the circuit board .

The technical result is to ensure the movement of the mounting plate within the housing of the switchgear cabinet and its tilt up or down at an angle from 0° to 45° in two directions with fixation, without the use of additional auxiliary devices.

The technical result is achieved by the fact that the switchgear cabinet, containing a housing with a circuit board connected on both sides with rotary-sliding mechanisms, including a carriage, made with the possibility of moving along rail guides fixed on the side inner walls of the housing, and a rotary device fixed on the carriage with a lock, wherein the carriage is provided with a hole with fixing positions of the rotary device, and the locks of the rotary devices are made in the form of pins with the possibility of engaging with the hole of the carriage, and the pin is made with the possibility of reciprocating movement with the help of a rotary handle fixed in the rotary device.

The utility model is illustrated by the following drawings:

Fig. 1. General view of the switchgear cabinet with the door open;

Fig. 2. Isometric view of the switchgear cabinet;

Fig. 3. General view of the rotary-sliding device;

Fig. 4. Swivel mechanism with fixed swivel positions;

Fig. 5. Device for fixing the rotary mechanism.

The cabinet of a mixed or complete switchgear includes a housing 1 with a single large door, a retractable mounting plate 2 with handles 4, a ventilation system 3, a swing-out mechanism, including a rotary device 5, fixed on the mounting plate 2 and made with the possibility of horizontal movement along rail guides 6 within the body and rotation about axis 7.

Mounting plate 2 is a wall designed to install various electrical equipment. The mounting board has handles 4 for moving and turning the board by maintenance personnel without the use of additional auxiliary devices.

Rail guides 6 are attached to the side walls of the case 1, along which the rotary device 5 moves horizontally within the cabinet. Ventilation channels 3 are provided in the side walls.

The rotary device 5 with the mounting plate 2 fixed on it is made with the possibility of horizontal movement by means of the carriage 8 along the rail guides 6. The carriage 8 is made with a through hole 9 with an arcuate transition, containing, in a particular case of execution, nine locking positions, allowing you to adjust the angle of inclination of the mounting plate with in a certain step with the help of the latch 10, which fixes the rotary device 5 at an angle from 0° to 45° in two directions.

The latch 10 of the rotary device is a pin, made with the possibility of translational movement and engagement with the through hole 9 in the required position of the arcuate transition. The movement of the latch 10 is carried out by means of a rotary handle 11, made with the possibility of rotation about the axis 12. The latch 10 is made with a protrusion 13, providing engagement with the hole in the rotary knob 11. In one embodiment, the rotary device 5 is made with an arc-shaped hole 14, relative to which move the protrusion 15 of the rotary handle 11.

The components of the movement and tilting device of the mounting plate are made of high strength plastic.

The switchgear cabinet is used as follows:

In the working position, the mounting plate 2 is located vertically, by means of the latch 10 in the central position of the arcuate transition of the hole 9. If necessary, the translational movement of the mounting plate 2 is carried out by applying force to the handles 4. The implementation of the handles 4 on the mounting plate provides the user with the ability to move the mounting plate.

In order to carry out repair and maintenance work, it is required to provide access to the equipment by tilting the mounting plate 2. Using the rotary knobs 11, the fixation of the rotary mechanism 5 is removed and the mounting plate 2 is rotated relative to the carriage 8 in the front or rear direction, depending on the required position of the mounting plate 2. The fixation of the circuit board 2 in the required position is carried out similarly by means of the reverse movement of the rotary knob 11 and, accordingly, the latch 10. The proposed solution allows, without the use of auxiliary devices, to ensure the movement and fixation of the circuit board in the required position to provide access to the nodes installed on the circuit board, as well as for mounting nodes on a circuit board.

Advantages of the claimed utility model:

The claimed utility model allows you to move the circuit board within the body of the switchgear cabinet and tilt it up or down at an angle from 0° to 45° in two directions with fixation in nine positions, without the use of additional auxiliary devices.

Claims (3)

1. A switchgear cabinet with a tilt-and-pull mounting plate, containing a housing, on the side walls of which rail guides are fixed, made with the possibility of horizontal movement along them by means of a rotary device carriage with a mounting plate fixed on it for placing electrical equipment on it, while the rotary device made with a latch, and the circuit board is fixed with the possibility of rotation on the carriage, the carriage is made with a through hole with an arcuate transition containing locking positions for adjusting the angle of the circuit board from 0° to 45° with a certain step in two directions using the lock of the rotary device , wherein the latch of the rotary device is a pin, made with the possibility of translational movement with the help of a rotary handle fixed in the rotary device, and engagement with the through hole of the carriage in the required fixation position of the arcuate transition. 2. Switchgear cabinet with a tilt-and-pull mounting plate according to claim 1, characterized in that the rotary handle is fixed in the rotary device on the axis of rotation and contains a hole made with the possibility of engagement with the pin. 3. Switchgear cabinet with a tilt-and-pull mounting plate according to claim 1, characterized in that the mounting plate is made with handles for reciprocating its movement relative to rail guides.

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