KR100650972B1 - Checking door for ceiling - Google Patents

Abstract

An inspection panel for the ceiling is provided to increase work efficiency by separating a door of an inspection panel for the ceiling not to interrupt works for inspecting, repairing and replacing electric installation or other installation in the ceiling. An inspection panel for the ceiling comprises: a fixed frame(100) coupled to a ceiling finishing member and provided with an end projection(110) formed on the lower part to place a door frame, corner connectors(130) formed on the end projection to fix a rectangular frame strongly and an insertion hole(120) formed on the internal wall to fix a fixture(250); a door frame(200) coupled to the fixed frame to be opened and closed and provided with corner connectors(210) formed on both corners correspondingly to the end projection of the fixed frame, magnetic bodies(220) formed on the corner connectors to couple with the fixed frame using magnetic force, a fixing hole(230) formed on the side to fix a fixture(250) and long holes(240) formed on the center of the fixing hole to make a working body(253) projected toward the rear of the door frame; a panel(300) inserted to the door frame to cover up the front of the door frame; and a knob(400) formed on the center of the door frame to open and close a door conveniently.

Description

Checking door for ceiling}

Figure 1 is an exploded perspective view showing an embodiment of the present invention ceiling inspection sphere.

Figure 2 is a cross-sectional view showing the fixing means in a combined state of one embodiment of the present invention ceiling inspection sphere.

Figure 3 is an exploded perspective view showing a second embodiment of the present invention ceiling inspection sphere.

Figure 4 is an exploded perspective view showing a third embodiment of the present invention ceiling inspection sphere.

Figure 5 is a perspective view showing an embodiment of the present invention ceiling check.

6 is a cross-sectional view showing a fifth embodiment of the present invention ceiling inspection sphere.

Figure 7 is a cross-sectional view showing a six embodiment of the present invention ceiling inspection sphere.

8 is a cross-sectional view showing a seventh embodiment of the present invention ceiling inspection sphere.

9 is a cross-sectional view showing an eight embodiment of the present invention ceiling inspection sphere.

10 is a use state diagram showing a state in which the present invention the ceiling check opening is used.

     Explanation of symbols on the main parts of the drawings

      100: fixed frame 110: step

      120: insertion hole 130,210: corner connector

      140,220: magnet body 150: guide groove

      160: fixed jaw 170: locking jaw

      180: fixing groove 200: door frame

      230: fixing hole 240: long hole

      250: fixing means 251: fixing bar

      252: spring 253: actuator

      260: guide protrusion 270: bending surface

      271: coupling groove 280: metal piece

      281: fixing protrusion 300: panel

      400: handle

The present invention relates to a ceiling inspection opening, and more particularly, to a ceiling inspection opening having a structure capable of attaching and detaching a door of an inspection opening provided on a ceiling surface to inspect facilities such as various pipes and electrical wirings installed on the ceiling. .

In general, when you want to check the electrical facilities and other facilities inside the ceiling or the condition of the ceiling, the ceiling inspection door is installed so that the interior can be inspected simply by opening the door without opening the ceiling material.

The conventional ceiling inspection tool is composed of a fixed frame coupled to the ceiling finishing material, the door is hinged to one side of the fixed frame, the other side is opened and detached by the insertion hole of the fixed frame.

At this time, the door to be opened and closed is rotated by the hinge shaft coupled to the fixed frame but is not separated.

Therefore, there is a problem that the inspection work in the ceiling is lengthened, or the door hanging at the entrance of the inspection opening when the parts replacement and repair work is stuck or interrupted in the worker's work.

Accordingly, the present invention has been made to solve the fundamental problems of the prior art,

An object of the present invention is to more stable state by separating the door from the ceiling inspection door so that the door of the ceiling inspection door does not obstruct or interfere with the operation when checking, repairing, or replacing the electrical facilities, other equipment or the state of the ceiling inside the ceiling. To provide a ceiling check for work in the city.

In the present invention for achieving the above object is a ceiling frame made of a fixed frame coupled to the ceiling finishing material, a door frame coupled to the opening and closing the fixed frame, and a panel covering the front of the door frame,

On one side of the door frame is formed a corner connector with a magnet body on both sides of the surface corresponding to the fixing frame, and on the other side to form a fixing means to be inserted into the insertion hole formed in the fixing frame, the fixing means to move left and right A spring is mounted between a pair of fixing bars, and the actuator coupled to the fixing bars is formed to protrude to the rear of the door frame through the long hole of the fixing hole formed at the side of the door frame.

(Example)

Hereinafter, with reference to the accompanying drawings, preferred embodiments of the present invention as described above in more detail as follows.

1 is an exploded perspective view showing an embodiment of the present invention ceiling access door, Figure 2 is a cross-sectional view showing a fixing means in a state of combining an embodiment of the present invention ceiling access door, Figure 3 is Figure 4 is an exploded perspective view showing an embodiment, Figure 4 is an exploded perspective view showing a third embodiment of the present invention ceiling inspection opening, Figure 5 is a perspective view showing a fourth embodiment of the present invention ceiling inspection opening, Figure 6 is a ceiling of the present invention 5 is a cross-sectional view showing a fifth embodiment of the inspection tool, Figure 7 is a cross-sectional view showing a sixth embodiment of the present invention ceiling inspection tool, Figure 8 is a cross-sectional view showing a seven embodiment of the present invention ceiling inspection tool, Figure 9 is a present invention 8 is a cross-sectional view showing an eighth embodiment of the ceiling inspection tool, and FIG. 10 shows a use state diagram showing a state in which the present invention is used.

As can be seen from the ceiling inspection opening of the present invention is a fixed frame 100 coupled to the ceiling finishing material, door frame 200 coupled to open and close to the fixed frame 100, and the door frame 200 Panel 300 and the handle 400 to cover the front of the.

Here, the fixed frame 100 and the door frame 200 forms a square frame to cut a frame made of aluminum material to the required length and then have a square shape.

In this case, the door frame 200 can be molded integrally with a square frame by injection molding using plastic, thereby eliminating the hassle of work and shorten the working time.

First, as shown in FIG. 1, the fixing frame 100 forms a step 110 at the bottom so that the door frame 200 inserted therein is fixed, and firmly fixes the square frame to the step 110. Forming a corner connector 130 for, and forming an insertion hole 120 for fixing the fixing means 250 in the inner corner of the corner of the fixing frame 100, the insertion hole is installed of the door frame 200 Regardless of the direction, four squares are formed on both sides of each corner so that they can be combined.

One side of the door frame 200 forms a corner connector 210 on both edges of the surface corresponding to the step 110 of the fixing frame 100, and has a magnet body 220 at the corner connector 210. To be coupled to the fixed frame 100 by the magnetic force, the other side forms a fixing hole 230 on the side of the door frame 200, the long hole 240 penetrating rearward in the center of the fixing hole 230 Forming a plurality of, the fixing hole 230 is fitted with a fixing means 250, the fixing means 250 is a spring 252 between the pair of fixing bars 251 to move left and right, the The actuator 253 coupled to the fixing bar 251 to function as a handle passes through the long hole 240 of the fixing hole 230 to protrude to the rear of the door frame 200.

In addition, the door frame 200 is fitted with a panel 300 to cover the front, the panel 300 is formed to cut the line to fit the entrance of the door frame 200 to cut the cut line as necessary and then another design or Allows replacement with shaped panels.

A handle 400 is formed at the center of one side of the door frame 200 to facilitate opening and closing of the door.

At this time, the handle 400 is formed in the center of one side of the panel 300 to be grooved to the lower portion of the door frame 200 to insert the finger in the groove to pull the door frame 200, the door frame 200 is It is also a preferred embodiment to be able to open and close.

The ceiling check sphere pulls the handle 400 formed on the door frame 200 while the magnet body 220 of the corner connector 210 formed on the rear of the door frame 200 falls from the fixed frame 100. The door frame 200 is opened and closed around the fixing means 250, and if necessary, the actuator 253 of the fixing means 250 formed at the rear of the door frame 200 is simultaneously directed from the both sides toward the center. The door frame 200 is separated from the fixing frame 100 by pulling so that the fixing bar 251 is separated from the insertion hole 120 of the fixing frame.

In addition, the combination of the door frame 200 separated from the fixing frame 100 pulls both the actuators 253 of the fixing means 250 toward the center and then fixed to the insertion hole 120 of the fixing frame. When the means 250 is placed and the actuator 253 is released, both fixing bars 251 of the fixing means 250 are fitted into the insertion hole 120 of the fixing frame 100 to be coupled to each other. It is coupled to the fixed frame 100 by the magnetic force of the magnet body 220.

As shown in FIG. 3, the door frame 200 forms a corner connector 210 having magnetic bodies 220 at four corners of the surface corresponding to the step 110 of the fixed frame. It is formed to be coupled to the fixed frame 100, and the handle 400 is formed in the center of both sides of the front of the door frame 200.

In addition, as shown in FIG. 4, the fixing frame 100 and the door frame 200 are formed with corner connectors 130 and 210 having magnetic bodies 140 and 220, respectively, on the square corners of the surfaces corresponding to each other. The magnet bodies 140 and 220 of the corner connectors 130 and 210 corresponding to each other in the frame 100 and the door frame 200 are formed of different electrodes (N / S poles) to open and close with stronger magnetic force.

 3 and 4, when the handle 400 is formed on both sides of the door frame 200, the magnet body 220 formed at four positions of the rear rectangular corners of the door frame 200 is fixed to the ceiling. The door frame 200 is separated from the fixing frame 100 while falling off from the opening 100.

And, as shown in Figure 5 the fixed frame 100 forms a U-shape, on both inner walls of the fixed frame 100 to form a guide groove 150 facing each other, of the guide groove 150 The fixing jaw 160 is formed at both ends so that the guide protrusion 260 of the door frame 200 does not fall out.

On both sides of the door frame 200 to form a guide protrusion 260 to be moved in the guide groove 150, the front end of the door frame 200 to form a handle 400 to open and close smoothly, the handle ( The lower portion of the 400 is provided with a magnet body 220 is formed to be coupled to the fixed frame 100 due to the magnetic force.

The ceiling inspection opening is to open and close the door frame 200 while the guide protrusion 260 of the door frame 200 slides in the guide groove 150 of the fixed frame 100.

In addition, as shown in Figure 6 the door frame 200 is inserted into the fixed frame 100 while covering the front of the fixed frame 100, both sides of the door frame 200 of the fixed frame 100 The magnet body 220 is provided on a surface corresponding to the front surface to be coupled to the fixed frame 100 due to magnetic force.

As shown in FIG. 7, the locking jaw 170 is formed at the middle of the inner wall of the fixing frame 100, and the locking jaw 170 is provided with a door frame 200 inserted into the fixing frame. The door frame 200 is provided to have a magnet body 220 on both sides of the surface corresponding to the locking step 170 to be coupled to the fixed frame 100 due to magnetic force.

At this time, the front of the door frame is bent at both centers of both sides of the door frame 200 shown in FIGS. 6 and 7 to form a handle 400 integral with the door frame.

In addition, separate handles 400 may be mounted at both centers of the door frame 200.

In addition, as shown in FIG. 8, the door frame 200 is formed of an upper frame formed integrally with the panel 300, and a lower frame formed integrally with the upper frame but supporting a square corner, The magnet body 220 is formed to be coupled to the lower surface of the lower frame of the leg shape respectively supporting the square corners of the door frame.

When the door frame 200 is inserted into the fixed frame 100, the magnet body 220 formed on the bottom surface of the lower frame is placed on the square corner of the step 110 of the fixed frame, thereby fixing the frame 100 due to magnetic force. The door frame 200 is coupled to.

9, the fixing frame 100 forms a plurality of fixing grooves 180 on inner side walls, and the door frame 200 inserted into the fixing frame 100 is integrally formed with the panel. Consisting of the upper frame and the lower frame of the leg shape for supporting the rectangular corner of the upper frame, the upper frame is formed a predetermined depth bent surface 270 at a position corresponding to the fixing groove 180 of the fixed frame. In addition, the bent surface 270 forms a coupling groove 271, and the coupling groove 271 includes a metal piece 280 having a fixing protrusion 281 fitted into the fixing groove 180 of the fixing frame. To be combined.

The magnet body 220 is formed to be coupled to the lower surface of the lower frame of the leg shape respectively supporting the square corners of the door frame 200.

At this time, when the door frame 200 is inserted into the fixing frame 100, the metal piece 280 having elasticity is pressed and the fixing protrusion 281 is forcibly inserted into the fixing frame to be pressed into the fixing groove 180. As the 280 recovers, the fixing protrusion 281 is fitted into the fixing groove 180 to be coupled to each other, and the magnet body 220 formed on the bottom of the lower frame placed on the square corner of the step 110 of the fixing frame is fixed by magnetic force. It is coupled to the frame 100.

On the other hand, the door frame 200 shown in Figs. 8 and 9 is preferably formed to be used as a handle 400 of the door frame by forming grooves to fit the fingers on both sides of the front center.

While the present invention has been shown and described with reference to certain preferred embodiments, the present invention is not limited to the above-described embodiments, and the present invention is not limited to the spirit of the present invention. Many alternative changes and modifications will be possible.

As described above, the present invention is more stable by separating the door so that the door of the ceiling inspection door does not interfere with or interfere with the operation when checking, repairing, or replacing the electrical facilities, other facilities, or the condition of the ceiling. Can work in the state, there is an effect that can increase the efficiency of the work.

Claims (11)

In the ceiling inspection opening consisting of a fixed frame 100 coupled to the ceiling finishing material, a door frame 200 inserted into the fixed frame to be opened and closed, and a panel 300 fitted to the door frame to cover the entrance. One side of the door frame 200 is formed with a corner connector 210 provided with a magnet body 220 on both sides of the surface corresponding to the fixing frame 100, the other side insertion hole 120 formed in the fixing frame Forming the fixing means 250 is inserted into the, the fixing means 250 is a spring 252 between the pair of fixed bar 251 to move left and right, the working body coupled to the fixed bar 251 Ceiling inspection door, characterized in that formed to protrude to the rear of the door frame 200 through the through hole 240 of the fixing hole 230 formed on the side of the door frame 200. The method of claim 1, The door frame 200 is formed to be connected to the fixed frame 100 by the magnetic force by forming a corner connector 210 provided with a magnet body 220 on four corners of the surface corresponding to the fixed frame 100. The ceiling inspection opening characterized by the above. The method of claim 1, In the fixed frame 100 and the door frame 200, corner connectors 130 and 210 having magnetic bodies 140 and 220 are formed at square corners of surfaces corresponding to each other, but the fixed frame 100 and the door frame 200 are respectively formed. The magnet body (140,220) of the corner connector (130,210) corresponding to in the) is a ceiling check, characterized in that made of different electrodes (N / S pole). The method according to any one of claims 1 to 3, Ceiling check opening, characterized in that the front center of the door frame 200 is further provided with a handle 400 to open and close smoothly. The method of claim 1, The fixing frame 100 is further formed with an insertion hole 120 on each inner surface of the square corner, so that the fixing means 250 are all four squares of the fixing frame 100 regardless of the installation direction of the door frame 200. A ceiling check opening, characterized in that the coupling. The method of claim 1, Guide grooves 150 having the fixing jaw 160 formed at the ends of the fixing frame 100 are formed to face each other, and guide protrusions that slide in the guide grooves 150 at both sides of the door frame 200. 260 is formed, and a handle 400 is formed at the front end of the door frame 200 so as to open and close smoothly, and a magnet body 220 is provided below the handle 400 to fix the frame due to magnetic force. The ceiling check opening, characterized in that coupled to 100). The method of claim 1, The door frame 200 is inserted into the fixed frame 100 while covering the front surface of the fixed frame 100, the magnet body (side) on the surface corresponding to the front surface of the fixed frame 100 on both sides of the door frame 200 It is provided with a 220 to be coupled to the fixed frame 100 due to the magnetic force, the ceiling check hole, characterized in that the handle 400 is formed by bending the front of the door frame in the center of both sides of the front of the door frame 200. The method of claim 1, A locking jaw 170 is formed in the middle of the inner wall of the fixed frame 100, and the locking jaw 170 is placed with a door frame 200 inserted into the fixed frame, and the door frame is a locking jaw 170. The magnet body 220 is provided on both sides of the corresponding surface) to be coupled to the fixed frame due to magnetic force, and the front surface of the door frame 200 is bent to form the handle 400 at the center of both sides of the front door of the door frame 200. The ceiling inspection opening characterized by the above-mentioned. The method of claim 1, The door frame 200 is composed of an upper frame integrally formed with the panel 300, and a lower frame of a leg shape for supporting a square corner of the upper frame, the lower frame is a magnet body on the surface corresponding to the fixed frame Ceiling check opening, characterized in that it is provided with a 220 to be coupled to the fixed frame due to the magnetic force. The method of claim 1, The fixing frame 100 forms a fixing groove 180 on both inner side walls, and the door frame 200 inserted into the fixing frame includes an upper frame integrally formed with a panel, and supports a square edge of the upper frame. Consists of a lower frame of the leg shape, the upper frame is formed with a predetermined depth bent surface 270 on both sides, the bending surface 270 to form a coupling groove 271 to the fixed groove of the fixed frame 100 A metal piece 280 having a fixing protrusion 281 to be fitted to the 180 is fitted, and the lower frame is provided with a magnet body 220 on a surface corresponding to the fixing frame 100 to fix the frame due to magnetic force. Ceiling check, characterized in that coupled to (100). The method of claim 1, The door frame 200 is a ceiling inspection sphere, characterized in that molded by using a plastic injection molding.

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