KR100809909B1 - Apparatus of door - Google Patents

Abstract

An apparatus of a door is provided to make a strong door hinge for a large electric equipment box requiring a large and heavy door by a three point axis composed of a central axis, an upper hinge axis, and a lower hinge axis. A door frame(10) is installed on a whole surface of a box and includes axis support grooves(11,12) formed on upper and lower parts of an edge respectively and a flange(15) formed on a front surface. A door(20) is formed in a square shape by fixing four square pipes(21-24) with brackets inside. An elastic operation hinge axis(29) and an operation hinge axis(31) are inserted and fixed inside upper and lower ends of one vertical pipe of the four square pipes respectively. The elastic operation hinge axis and the operation hinge axis are covered by edge covers(25,28) with axis grooves(25-1,28-1) passing the axes respectively. The upper and lower hinge axes projected toward each of the axis grooves on the edge covers are rotated by being received and inserted into the upper and lower axis support grooves of the door frame.

Description

Door device {Apparatus of door}

1 is an exploded perspective view showing a detailed structure of a door device according to the present invention.

2 is a vertical sectional view of the door 20 according to the invention.

Figure 3 is a front view of the coupled state of the door frame and the door of the door apparatus of the present invention.

Figure 4 is an exploded perspective view showing another modified example of the door apparatus according to the present invention.

5 is a front view of the door frame and the door coupling state in another embodiment of the present invention.

* Description of the symbols for the main parts of the drawings *

10,10-1: Door frame 11,12: Bushing groove

13,14: bearing 15: flange

16: fixed hinge shaft 17, 18: shaft

20,20-1: Door 21 ~ 24,21-1,21-2: Square pipe

25 ~ 28,36,37: Edge cover 25-1,28-1,37-1: Shaft groove

29,41: elastic movable hinge shaft 29-1: spring holder

29-2: shaft 29-3: spring

29-4: Lever 30,40: Hinge shaft holder

31: movable hinge shaft 32,33,35: screw

34: bracket 38: handle

39: dustproof pad

The present invention relates to a door device of an enclosure for an electrical installation such as a distribution panel, a motor control panel, a distribution panel, etc. In particular, the door of the enclosure is configured by combining a separate frame pipe material and the hinge of the door is exposed to the outside Minimized to keep the appearance of the entire enclosure including the door beautiful and relates to a door device that can significantly reduce the operating noise.

In general, enclosures for electrical installations with doors, such as distribution boards and switchboards, are manufactured by processing metal plates in the form of boxes, and the doors are bent by wrapping the edges of the metal plates in a cylindrical or square shape. Is giving.

However, the housing and doors of various electric equipments manufactured in such a simple way can be manufactured at low cost, which is advantageous in terms of cost and manufacturing cost, but has a disadvantage in that the product life is short and easily broken due to its weak durability. In particular, the surface of the door and the exterior of the enclosure are easily damaged by external force or the form is deformed, thereby deteriorating the interior aesthetics or interior aesthetics of the building.

In addition, when the hinge of the metal material is used as the door hinge of various conventional electrical equipment enclosures as described above, the hinge is exposed to the outside, so that corrosion is not easily obtained and smooth operation of the door occurs, as well as operation noise. In addition, the hinge exposed outside brings disadvantages in keeping the appearance of the enclosure beautiful.

The present invention is to solve the problems of the prior art as described above is an object of the present invention is configured by combining a separate frame pipe material of the door of the enclosure for various electrical equipment such as distribution panel, motor control panel, distribution panel and the like To minimize the exposure of the door hinge to be attached to the outside to maintain a beautiful appearance of the electrical equipment enclosure and to provide a door device of a stable structure that can remove the door operation noise.

The door device of the present invention for achieving the above object is composed of a door frame that can be largely installed on the front of the enclosure and a door coupled to the hinge shaft in the door frame, the door frame is the upper, lower portion of one side edge Retaining grooves are formed in the front and door flanges are formed in the front part, and the door is fixed to four square pipes with a bracket to form a quadrangular door, and the top of one vertical pipe of the four square pipes The elastic movable hinge shaft and the movable hinge shaft are respectively inserted into and fixed to a lower end of the lower hinge, and the elastic movable hinge shaft and the movable hinge shaft, which are fixed to the vertical pipe, are respectively covered by an edge cover having a shaft groove for penetrating the shaft. The protruding upper and lower elastic movable hinge shafts and the shafts of the movable hinge shafts are seated in the upper and lower bearing grooves of the door frame. It is characterized in that it is inserted and rotated.

Hereinafter, the present invention will be described with reference to the accompanying drawings.

1 is an exploded perspective view showing a detailed structure of a door device according to the present invention and Figure 2 is a vertical cross-sectional view of the door.

Here, the door device is a door frame 10 which can be installed at a predetermined specific position including a housing 50 in which power equipment such as a distribution panel, a motor control panel, a power distribution panel, etc. is mounted or arranged, and a front part of the enclosure, and a hinge in the door frame. It is shown that the door 20 is coupled to the shaft.

The door frame 10 is provided with a door flange 15 to the front side, and the bearing grooves (11, 12) are formed on the upper and lower portions of one side edge, respectively. The bearing grooves 11 and 12 are equipped with bearings 13 and 14 made of metal or resin, respectively, in order to minimize noise during door operation and to smoothly maintain the rotation operation of the door.

The door 10 is formed in a square shape by fixing four square pipes 21-24 with a bracket 34 at right angles. The four corners of the door are equipped with edge covers 25-28. Fit the door front panel. Here, among the four edge covers 25-28, the edge covers 25, 28 are provided with shaft grooves.

Insert the elastic movable hinge shaft 29 and the movable hinge shaft 31 into the upper and lower ends of one of the four square pipes 21-24 in the vertical pipe 21, respectively, It is configured to fix the hinge axis in the vertical direction by fixing to the vertical pipe 21 using a hexagon nut or the like.

The upper end portion and the lower end portion of the vertical pipe 21 are covered by edge covers 25 and 28, wherein the elastic movable hinge shaft 29 protrudes to the upper and lower portions of the vertical pipe 21. The shaft and the axis of the movable hinge shaft 31 is configured to protrude outward through the shaft grooves (25-1, 28-1) formed in the edge cover (25, 28).

The upper and lower hinge shafts protruding into the shaft grooves 25-1 and 28-1 on the edge cover 25 and 28 of the door 20 are upper and lower bearing grooves 11 and 12 of the door frame 10. It is inserted into the seat and rotates.

The elastically movable hinge shaft 29 on the door shaft corresponding to one of the vertical pipes of the door 10 includes a shaft 29-2 and an inner spring 29-3 for imparting vertical elasticity to the shaft. It consists of a spring holder (29-1) surrounding the spring and a lever (29-4) coupled to the side wall of the shaft (29-2) through the slits provided on the side of the spring holder.

If necessary, a dust pad 39 may be mounted on an inner circumference of the door 20 facing the flange 15 of the door frame 10 to prevent external dust from flowing into the power equipment inside the enclosure. Can be.

Figure 3 is a front view of the coupled state of the door frame and the door of the door apparatus of the present invention. Here, the door 20 is closed in the door frame 10, and the edge portion of the door 20 provided with the handle 38 is provided with four edge covers 25-28.

Referring to the assembly and operation of the door device of the present invention configured as described above are as follows.

First, the bearings 13 and 14 made of metal or resin are inserted into upper and lower bearing grooves 11 and 12 formed in the door frame 10 to be mounted on the front part of the enclosure 50.

The door 10 is placed at right angles to four square pipes 21-24, and then fixedly assembled using a right angle bracket 34 and a screw or a hexagonal nut. After inserting the elastic movable hinge shaft 29 and the movable hinge shaft 31 into the upper inner groove and the lower inner groove of the vertical pipe (21), and fixed using the screws (32, 33) and the like.

When the elastic movable hinge shaft 29 is inserted into and fixed to the upper inner groove of the vertical pipe 21, a separate hinge shaft holder 30 is used to ensure smooth operation of the elastic movable hinge shaft.

Insert the elastic movable hinge shaft 29 and the movable hinge shaft 31 into the upper inner groove and the lower inner groove of the predetermined vertical pipe 21 serving as the door shaft, respectively, and then, each of the edge covers 25 and 28 The corner of the door is closed in the state where the shaft of the movable hinge shaft penetrates the shaft grooves 25-1 and 28-1.

The completed door 10 is mounted on the bearing 14 of the door frame 10 by attaching the opposite movable hinge shaft 31 to the bearing frame 14 of the door frame 10 while pulling the lever 29-4 provided on the elastic movable hinge shaft 29. By assembling the hinge of the resilient movable hinge shaft 29 in accordance with the bearing 13, the door device for the power equipment housing is mechanically stable, smooth rotation of the door, no operation noise.

On the other hand, Figure 4 is an exploded perspective view showing another modified example of the door apparatus according to the present invention, Figure 5 is a front view of the engaged state.

As referred to herein, in another embodiment of the door apparatus of the present invention, the door frame 10-1 forms bearing grooves 11 and 12 on the upper and lower portions of one side edge thereof, and a flange 15 on the front portion thereof. And a hinge shaft 16 fixed to the intermediate portion of the flange at the position aligned with the bearing grooves 11 and 12.

The fixed hinge shaft 16 is provided with shafts 17 and 18 protruding upward and downward.

The door 20-1 is formed in a quadrangular shape by fixing a square pipe with a bracket therein, and separates vertical pipes to be door shafts among these square pipes into upper and lower pipes 21-1 and 21-2. The edge cover 36 and 37 having elastic movable hinge shafts 29 and 41 and shaft grooves, respectively, are manufactured.

After that, the shaft grooves formed in the edge covers 36 and 37 of the upper and lower pipes 21-1 and 21-2 are respectively formed on the upper and lower shafts 17 and 18 of the fixed hinge shaft 16. The shafts of the elastic movable hinge shafts 29 and 41 protruding to the upper and lower portions of the lower pipes 21-1 and 21-2 are seated in the upper and lower bearing grooves 11 and 12 of the door frame 10-1, respectively. It is inserted and configured to rotate on the door frame 10-1.

Here, the elastic movable hinge shafts 29 and 41 are coupled to the side walls of the shafts, respectively, through inner springs that impart a vertical elasticity to the shafts, spring holders surrounding the springs, and slits provided on the sides of the spring holders. It consists of the lever which becomes.

Another embodiment of the door device according to the present invention is the shaft 17, 18 up and down in the middle portion of the flange 15 of the position aligned with the bearing grooves (11, 12) of the door frame (10-1). The protruding fixed hinge shaft 16 is installed on the door frame 10-1.

Next, the movable hinge shafts 29 and 41 are fixed to the upper and lower portions of the upper and lower pipes 21-1 and 21-2, respectively, and the respective edge covers 25 and 28 are mounted. Accordingly, the shafts of the elastic movable hinge shafts 29 and 41 protrude through the shaft grooves 25-1 and 28-1 of the edge covers 25 and 28. In addition, the edge cover (36,37) is mounted on the lower and upper portions of the upper and lower pipes (21-1, 21-2).

The semi-assembled upper pipe 21-1 is mounted on the upper side of the fixed hinge shaft 16 on the door frame 10-1 using its elastic movable hinge shaft 29, and the semi-assembled lower pipe ( 21-2 is mounted to the lower side of the fixed hinge shaft 16 on the door frame 10-1 by using the elastic movable hinge shaft 41.

Subsequently, the three square pipes 23, 24 and 25 and the door panel are joined by a right angle bracket 34 to assemble the semi-finished doors, and then the other upper and lower pipes 21-1 and 21-2 By fixing using a right angle bracket, the door device of the power equipment enclosure having a three-point shaft (center shaft, upper and lower hinge shafts) is finally completed.

In another embodiment of the door device according to the present invention described above, if necessary, fine dust on the inner circumference of the door 20-1 facing the flange 15 of the door frame 10-1 to the power equipment inside the enclosure. To prevent the inflow of the dustproof pad 39 may be mounted.

The door device of the present invention as described above is configured by combining a separate frame pipe material of the doors of various electrical power equipment enclosures, such as distribution panel, motor control panel, switchgear panel and the like, and the door hinge attached thereto is exposed to the outside. Minimizes the appearance and keeps the exterior of the electrical equipment enclosure beautifully and brings the unique effect of eliminating the noise of door operation.

In addition, the door device of the present invention has a feature that is suitable for a large power equipment housing that requires a large size and high weight door because a strong door hinge is made by a three-point shaft consisting of a central axis, an upper hinge axis and a lower hinge axis.

In addition, the door device of the present invention can block the inflow of fine dust from the outside in the interior of the power equipment when the dust pad is attached to the inner circumference of the door.

Claims (6)

A door frame 10 installed at the front of the enclosure and having bearing grooves 11 and 12 formed at upper and lower portions of one side edge thereof, and having flanges 15 at the front portion thereof; Four square pipes 21-24 are fixed to each other by brackets 34 to form a quadrangular shape, and one of the four square pipes 21-24 is vertically inward to the top and bottom of the pipe 21. The shafts and movable hinge shafts of the elastic movable hinge shafts 29 which are respectively fixed to the elastic movable hinge shaft 29 and the movable hinge shaft 31 and protruded into the upper and lower sides of the vertical pipe 21. The shaft of 31 is configured to be covered by the edge covers 25, 28 provided with shaft grooves 25-1, 28-1 through these shafts, respectively, and the shaft grooves 25-1, 28-1) the upper and lower hinge shafts protruding into the upper and lower bearing grooves (11, 12) of the door frame (10) is inserted into the door (20) to rotate. The door apparatus according to claim 1, wherein the bearing grooves (11, 12) are respectively inserted into and mounted in the bearing grooves (11, 12) above and below the door frame (10), respectively. 2. The elastic movable hinge shaft (29) according to claim 1, wherein the elastic movable hinge shaft (29) has a shaft (29-2), an inner spring (29-3) for imparting vertical elasticity to the shaft, and a spring holder (29-1) surrounding the spring. And a lever (29-4) coupled to the side wall of the shaft (29-2) through a slit provided on the side of the spring holder. The door apparatus according to claim 1, wherein a dustproof pad (39) is mounted on an inner circumference of the door (20) facing the flange (15) of the door frame (10). Upper and lower bearing grooves 11 and 12 are formed in upper and lower portions of one side edge, and a flange 15 is provided in the front portion, and the upper and lower portions of the flange middle part are aligned with the bearing grooves 11 and 12. A door frame 10-1 having a fixed hinge shaft 16 having shafts 17 and 18 protruding therefrom; The square pipes are fixed in brackets to form a quadrangular shape, and the pipes on which the hinge shafts are mounted are separated into upper and lower pipes 21-1 and 21-2, respectively, to move elastically hinged shafts 29 and 41. After fixing the edge cover (36,37) having a shaft groove and the shaft groove formed in each edge cover (36,37) of the upper, lower pipe (21-1, 21-2) is the upper side of the fixed hinge shaft (16) And the shafts of the elastic movable hinge shafts 29 and 41 protruding to the upper and lower portions of the upper and lower pipes 21-1 and 21-2 on the lower shafts 17 and 18, respectively. The upper and lower bearing grooves (11, 12) of the seat is inserted and rotated to rotate (20-1); Door device characterized in that consisting of. 6. The door device according to claim 5, wherein the resilient movable hinge shafts (29, 41) each have a spring for elastic support of the shaft.

Images