KR20110131882A

KR20110131882A - Door for electromagnetic wavetest chamber

Info

Publication number: KR20110131882A
Application number: KR1020100051550A
Authority: KR
Inventors: 박인호
Original assignee: 엄형욱
Priority date: 2010-06-01
Filing date: 2010-06-01
Publication date: 2011-12-07

Abstract

The present invention relates to a door for an electromagnetic shielding room, which is installed in the form of a case in the door frame (4) of the electromagnetic shielding room in the electromagnetic shielding room door to open and close the entrance and exit of the shielding room, the door is the first door (1) and The first door 11 is formed as a pair of two doors in which the second door 2 is symmetrically installed, and each end of the first door 1 and the second door 2 which is in contact with each other is bent inwardly; When the second recesses 12 protrude to different sizes to close the doors 1 and 2, either one of the first recesses 11 or the second recesses 12 is formed on the other recess. It is characterized in that the fitting is fitted.

Description

Door for electromagnetic wave shielding room {Door for electromagnetic wavetest chamber}

The present invention relates to a door for an electromagnetic shielding room, and more particularly to a door for an electromagnetic shielding room that can provide a wider open area in opening and closing of the door, and can block the electromagnetic waves safely, and also enable stable opening and closing. .

With the development of electronic and electrical equipment, electromagnetic waves are generated in most of life, and these electromagnetic waves affect not only the human body but also other electronic and electrical products.

Many industrial products, including electronics and automobiles, use electromagnetic shielding rooms that block the inflow and outflow of electromagnetic waves to test the occurrence of electromagnetic waves on the products. In this case, the shielding rooms themselves form a complete electromagnetic shielding structure. Blocking electromagnetic waves in doors for entry and exit has emerged as an important challenge.

Accordingly, many researches have been made on the coupling part between the door constituting the door and the door frame of the shielded room, and various techniques have been proposed to make the door and the shield door close together.

Most of the conventional doors for shielding rooms are made of a casement type, and thus the casement type door does not provide a sufficient space for opening, which causes a lot of inconvenience when entering or exiting various materials or appliances.

The conventional shielding room door is made of a single door, and the main reason is to increase the confidentiality of electromagnetic waves, the more wide the form of the door becomes more difficult to block the electromagnetic waves, two or more doors, for example When it is in the form, it is difficult to maintain the confidentiality of electromagnetic waves and the like to the contact portion of the door has been used dareul door type daringly.

Therefore, there is an urgent need for the development of a door for a shielded room, which can be kept wider, and therefore also confidential.

The present invention is to provide a door for an electromagnetic shielding room that can provide a wider open space in the door of the electromagnetic shielding room while blocking the airtightness of electromagnetic waves.

The present invention is to install a door of the electromagnetic shielding room in the form of a pair of opening and closing the electromagnetic wave shielding room so that the electromagnetic shielding can be made safely by forming a combined structure that can maintain a stable airtight while securing a wider open space The provision of the door is a technical problem.

In order to realize the above object, the present invention provides a door for an electromagnetic shielding room, which is installed in the form of a case in a door frame of an electromagnetic shielding room so as to open and close the entrance and exit of the shielding room, wherein the door has a first door and a second door. When the first and second recesses which are bent inwardly are formed to protrude to different sizes at each end of the first door and the second door that are in contact with each other, and the doors are closed. It is characterized in that either one of the first recessed portion or the second recessed portion is fitted into one of the other recessed portions.

Accordingly, by forming a form in which the side of the two doors that are in contact with the side is completely in close contact can be stably maintained airtight.

An elastic piece having a convex shape is further attached to a side surface of the first recessed part and the second recessed part so as to cushion the impact by the elastic coupling when the first recessed part and the second recessed part are joined, and also provide more perfect airtightness. It can be maintained, and may be configured to block the electromagnetic waves according to the material of the elastic piece.

Another feature of the present invention, the remaining edge portions of the first door and the second door except for the side of the first door and the second door as a pair of doors are protruded inward to form a coupling protrusion, the door frame to the coupling A coupling recess is formed to accommodate the protrusion, and the inner side of the coupling recess is provided with an elastic piece to be tightly coupled by elasticity when coupling with the coupling protrusion.

Accordingly, the airtightness can be safely maintained at the contact surface of the first door and the second door as well as the remaining edge portion.

The present invention provides a wider open space when opening and closing the door, while still providing the effect that the airtightness of the contact portion of the door can be made safely.

The door according to the present invention is provided with a pair of opening and closing to provide a wider open space, and also has the effect of maintaining the airtightness such as electromagnetic waves by having a close coupling structure in the contact portion of each door.

1-an external perspective view of a door for a shielded room according to the present invention
Figure 2-Front view showing the installation state as an embodiment of the present invention
3-a plan view showing the interior of the Figure 2
4-A enlarged view of portion A of FIG.
5-an enlarged view of a portion B of FIG.
6-partial perspective view of the opening and closing device of the door according to the present invention
7-enlarged view of portion C of FIG.

The details of the present invention will be described below with reference to the accompanying drawings as an embodiment.

1 is an external perspective view of a door for a shielding room according to the present invention, FIG. 2 is a front view showing an installation state as an embodiment of the present invention, and FIG. 3 is a plan view showing the interior of FIG. The door according to the present invention is installed in the form of a double door in the door frame 4 forming the entrance of the room.

The door according to the present invention is in the form of a double door consisting of a first door (1) and a second door (2), the first door (1) and the second door (2) is provided with a frame (3) to maintain the shape The metal plate is installed on the basis of the frame 3.

The first door 1 and the second door 2 are rotated by hinges 13 on both sides of the fixed end, which are fixed to the door frame 4, and the inner surfaces of the first door 1 and the second door 2 which are in contact with each other are opened freely. .

Each free end of the first door 1 and the second door 2 has a structure that is coupled to each other, this coupling structure is shown in FIG. 4 as an enlarged view of FIG. The free end of 1) is further extended to be bent into a 'U' shape to form the first recessed part 11, and the free end of the second door 2 is further extended to be bent into a 'U' shape to form a second The recess 12 is formed, but the second recess 12 is smaller than the first recess 11 so that the second recess 12 is inserted into the first recess 11 and overlaps with the door closed. It is.

Here, the second recessed part 12 may not be formed in a 'U' shape but may simply have a protruding shape. In contrast to the above example, the first recessed part 11 may be formed of the second recessed part 12. It may be in the form of being inserted inward.

In addition, an elastic piece 14 is installed between the first recessed part 11 and the second recessed part 12 to be elastically in close contact with the first recessed part 11 and the second recessed part. It is preferable that the piece 14 becomes a copper plate and can block an electromagnetic wave.

The elastic piece 14 is installed by the bolt 15 on the side surface selected from the inner wall of the first recess 11 or the outer wall of the second recess 12, and is installed over the entire contact surface of each recess, It may be installed dividedly or integrally installed.

The remaining edges of the first door 1 and the second door 2, that is, the edges of the door in contact with the door frame, are also in close contact with the door frame, and this structure is shown in FIG. 5 as an enlarged view of FIG. 3. It is. Referring to this, at the edges of each of the first door 1 and the second door 2, the engaging protrusion 17 protruding inward is bent, and the engaging recess 18 for accommodating the engaging protrusion 17 is provided. ) Is continuously formed on the outer surface of the door frame.

An elastic piece 14 is provided on the inner surface of the coupling recess 18 by the bolt 15 for close contact with the coupling protrusion 17, and is also preferably made of a copper plate for blocking electromagnetic waves.

On the other hand, the first door (1) and the second door (2) is provided with opening and closing means for opening and closing each door, the operation of each door (1, 2) in the middle of each door (1, 2) The handle 24 is provided at a position close to the free end, and the handle 24 is provided at both ends of the rotating shaft 25 passing through the inner and outer sides of the doors 1 and 2.

Rotating plate 26 is fixedly installed in the middle of the rotating shaft 25 in each of the doors 1 and 2, and one end of the long primary rods 27 is connected to the upper and lower ends of the rotating plate 26. In the upper and lower ends of the doors 1 and 2, connecting plates 29 are rotatably supported by the support shaft 28, and the other ends of the primary rods 27 are provided. The ends are connected, and the secondary rods 30 are connected to ends opposite to the portions to which the primary rods 27 of the connecting plates 29 are connected.

Such a connection state is shown as a partial perspective view in FIG. 6, and the latch shaft 31 is rotatably installed at one side of the connecting plates 29, and the latch shaft 31 is vertically installed. Each one end part is extended to the site which faces the door frame 4. As shown in FIG.

One end of the latch shaft 31 protrudes and is fixed to the end of the lever 32, the other end of the secondary rod 30 is connected to the end of the door frame 4, Clasps 33 are fixed to each other.

The clasp 33 is formed in a curved shape, the end of the wheel 34 is installed, the engaging groove 35 is formed in the opposing portion of the door frame 4 in order to engage the clasp 33. It is.

Looking at the operation of the present invention configured as described above are as follows.

Doors according to the present invention is opened and closed by the rotation operation of the handle 24, the handle 24 is installed at the same time inside and outside of each door.

When each handle 24 is rotated in the closed door state, the rotating rod 25 and the rotating plate 26 are rotated at the same time, and the primary rods 27 connected to each other are pulled up and down, thereby connecting the connection plate 29. The secondary rod 30 is pulled again while rotating about the support shaft 28, and the lever 32 connected to the secondary rod 30 rotates the latch shaft 31 to open the latch 33. The doors 1 and 2 can be opened by drawing them out of the locking groove 35 of 4), and the doors 1 and 2 are opened while rotating through the hinge 13, and are opened in a double-opened form to open wide. The space can be formed.

On the contrary, when the doors 1 and 2 are to be closed, the latches 33 are rotated as opposed to when the handles 24 are opened in the state in which the doors 1 and 2 are closed and in close contact with the door frames 4. Operation is completed by being inserted into the locking groove 35 of the.

At this time, the clasp 33 is formed in a curved shape, as shown in the enlarged view of FIG. 7, while rotating the circular arc according to the rotation of the clasp shaft 31 to lock the wheel 34 of the clasp 33. Since the inner surface of the locking groove 35 is pulled in from the inlet of the groove 35, the door may be firmly closed.

In addition, when the door is closed, the close coupling of the first recess 11 and the second recess 12 formed in the contact portion between the first door 1 and the second door 2, and each door (1, 2) The door completely shields the shielding room by the close coupling of the engaging protrusion 17 formed on the edge portion of the) and the engaging recess 18 formed on the door frame 4.

The present invention as shown and described above is not intended to be limited to the above embodiments, and may be modified in various forms without departing from the spirit of the present invention.

1: 1st door 2: 2nd door
3: frame 4: door frame
11: first part 12: second part
13: hinge 14: elastic piece
15: bolt 17: coupling protrusion
18: engaging portion 24: handle
25: rotating shaft 26: rotating plate
27: primary rod 28: support shaft
29: connecting plate 30: secondary rod
31: clasp shaft 32: lever
33: clasp 34: wheels
35: hanging groove

Claims

In the door for the electromagnetic shielding room is installed in the form of a case in the door frame 4 of the electromagnetic shielding room to open and close the entrance and exit of the shielding room,
The door is a pair of doors in which the first door 1 and the second door 2 are installed symmetrically in left and right directions, and inside each end of the first door 1 and the second door 2 in contact with each other. When the first recessed part 11 and the second recessed part 12 are formed to protrude to different sizes to close the doors 1 and 2, the first recessed part 11 or the second recessed part 12 is formed. The door for the electromagnetic shielding room, characterized in that any one of the other is inserted into the other recessed portion.

The method of claim 1,
An elastic piece 14 having a convex shape is further attached to a side surface at which the first recess 11 and the second recess 12 are in contact with each other, thereby being elastic when the first recess 11 and the second recess 12 are coupled. The door for the electromagnetic shielding room, characterized in that to maintain confidentiality while providing.

The method of claim 2,
The elastic piece 14 is a door for an electromagnetic shielding room, characterized in that consisting of a copper plate.

The method of claim 1,
The remaining edge portions of the first door 1 and the second door 2 except for the side surfaces of the first door 1 and the second door 2 which are in contact with each other are protruded and bent inward to form the coupling protrusion 17. The door frame 4 is provided with a coupling recess 18 for receiving the coupling protrusion 17 therein, and an elastic piece 14 is installed on the inner surface of the coupling recess 18 to engage the coupling protrusion 17. The door for the electromagnetic shielding room, characterized in that the close coupling by the elastic when combined with.

The method of claim 1,
As the opening and closing means for opening and closing each door in the first door (1) and the second door (2),
A rotating shaft 25 horizontally penetrating the inside and the outside of each door 1 and 2 in the middle of each door 1 and 2;
A handle (24) installed at inner and outer ends of the rotating shaft (25) to rotate the rotating shaft (25);
A rotating plate 26 fixedly installed in the middle of the rotating shaft 25 inside the doors 1 and 2;
A primary rod 27 formed to be long and having one end connected to an upper end and a lower end of the rotating plate 26;
In the inner upper end and the lower end of each of the doors (1, 2), the middle is rotatably supported by the support shaft 28, one end is connected to the end of the primary rod 27, respectively, A connecting plate 29 having one end of each of the secondary rods 30 connected to one end thereof;
The doors 1 and 2 are rotatably installed at one upper upper end and one lower lower end of the door, and a lever 32 protrudes at one end thereof, and the other end of the secondary rod 30 is disposed at an end of the lever 32. An end is connected, and one end of the latch shaft 31 is fixed to the latch 33;
It is made, including, while the handle 24 is rotated while the clasp 33 is inserted or withdrawn into the engaging groove 35 formed in the door frame 4 by the rotation of the clasp shaft 31 Door for electromagnetic shielding room, characterized in that the opening and closing of the door.

In the door for the electromagnetic shielding room is installed in the form of a case in the door frame 4 of the electromagnetic shielding room to open and close the entrance and exit of the shielding room,
The door is a pair of doors in which the first door 1 and the second door 2 are installed symmetrically in left and right directions, and inside each end of the first door 1 and the second door 2 in contact with each other. When the first recessed part 11 and the second recessed part 12 are formed to protrude to different sizes to close the doors 1 and 2, the first recessed part 11 or the second recessed part 12 is formed. Is coupled to one of the other recessed portion of the other, the first recessed part 11 and the second recessed portion 12 is in contact with each other side of the elastic piece 14 forming a convex shape is further attached Door for electromagnetic shielding room, characterized in that.