KR20100104169A

KR20100104169A - Ceiling inspection device

Info

Publication number: KR20100104169A
Application number: KR1020090022407A
Authority: KR
Inventors: 오광재
Original assignee: 오광재
Priority date: 2009-03-17
Filing date: 2009-03-17
Publication date: 2010-09-29

Abstract

PURPOSE: An inspection device for a ceiling is provided to enable a user to easily secure a working space by separating a door frame from the inspection device. CONSTITUTION: An inspection device for a ceiling comprises a main frame(10), a door frame(20), and rotating units(30). The main frame is fixed to a ceiling. The door frame is rotatably coupled to the main frame. The rotating units are coupled to one side of the main frame and the door frame so that the door frame can be opened and separated.

Description

Ceiling Inspection Device {Ceiling Inspection Device}

The present invention relates to a ceiling inspection opening, and more particularly, to a ceiling inspection opening installed in the ceiling of a building.

In general, a variety of facilities, such as cooling and heating piping and distribution lines are arranged on the ceiling of the building.

Therefore, maintenance of the facilities is required on a regular basis or as needed. To this end, the ceiling is provided with an opening for allowing the worker to examine or enter the interior of the ceiling, and provides an access port including a door means that can be opened and closed at the opening to facilitate convenience of work.

Meanwhile, Korean Patent Application No. 2005-69339 discloses a ceiling inspection door (hereinafter referred to as 'prior art'), which is illustrated in FIGS. 1 to 5.

As shown in Figures 1 to 5, the ceiling inspection port is the main frame 100 fixed to the ceiling finishing member 110, the door 200, the door 200 is fastened to open and close to the main frame 100, It consists of a fixing means 300 and the fastening means 400 for opening and closing of the.

The door 200 has a decorative portion 210 having a bottom portion of the ceiling and serving as an exterior material, a vertical portion 220 bent the quadrilateral of the decorative portion 210 upwards, and at least one pair of vertical portions facing each other. It is composed of a horizontal portion 230 that is bent in the horizontal direction from the portion 220.

The doors provide fixed and open ends on both sides, respectively.

The fixing means 300 is rotatably supported on the main frame 100 at the fixed end of the door 200, and the fastening means 400 is fixed at the open end to the main frame 100 so as to be openable and closed. Installed and configured to selectively open and close the ceiling.

Spacers 340 and 440 are disposed at both ends of each vertical part 220 to have a predetermined distance from the vertical part 220.

On the other hand, the fixing means 300 is formed with shaft holes 342 and 222 so as to be disposed in a straight line to the spacer 340 and the vertical portion 220 opposed to the fixing end of the door, respectively, shaft holes 342 and 222 at both ends. Rotation shaft 310 penetrating through is inserted into the movable.

A fastening hole 102 is formed on one side of the main frame 100 coaxially with the shaft hole.

At least one side of the rotary shaft 310 is provided with a handle 312 and at the same time the spring 320 is installed between the handle and the spacer and 340 adjacent to the rotary shaft 310 is configured to elastically support the opposite side in one detail do.

On the other side of the rotating shaft 310, a locking protrusion 314 which interferes with the opposite spacer 340 is fixed. The locking protrusion 314 is to allow the rotation shaft 310 to be restricted in flow at a predetermined position, thereby acting as a stopper.

In addition, the fastening means 400 is formed with a shaft hole (442, 222) to be arranged in a straight line in the spacer 440 and the vertical portion 220 opposite, the shaft hole (442, 222) on one side of the main frame (100) ) And a fastening hole 102 is formed coaxially.

The guide member 450 forming the guide hole 452 is fixed to the center portion of the vertical portion 220. One side is inserted into the shaft hole (442, 222), the other side is inserted into the guide hole 452 a pair of working shaft 460 is disposed symmetrically with respect to the guide member 450.

Each working shaft 460 is fixed to the operating projection 462 protruding through the long hole 212 formed in the decorative portion 210 of the door 200 is configured to limit the axial movement distance.

An actuating shaft 460 positioned between the actuating protrusions 462 is provided with a compression spring 470 so that the actuating shafts 460 are elastically supported to both sides.

The actuating shaft 460 is maintained by the actuating protrusion 462 by the long hole.

Since the conventional ceiling inspection port is made of aluminum, the aluminum having a length is cut to an appropriate length to be fixed by inserting a 'b' shaped clamp at the connection portion of each corner.

Since these clamps are fixed to the lower side and the upper side of the main frame, respectively, and fixed to the lower side and the upper side of the door frame, a total of 16 brackets are used, which causes a problem in that the manufacturing cost increases.

In addition, the ceiling check hole is installed on the ceiling has a gap formed for the combination of the main frame and the door frame, the gap has a problem that a gap is formed between the closely closed ceiling finish material to harm the aesthetics of the ceiling.

The present invention has been made to solve the above problems, an object of the present invention is to provide a ceiling inspection opening that is easy to secure the working space of the operator by separating the door frame of the ceiling inspection opening.

In addition, another object of the present invention is to provide a ceiling inspection opening that can be more neatly clean aesthetics of the ceiling because the main frame and the door frame is in close contact with the gap between the main frame and the door frame is not formed.

In addition, another object of the present invention is to provide a ceiling inspection door that the door frame is automatically closed to the main frame as the operator lifts the door frame to the main frame after the work is completed.

In order to achieve the above object, the ceiling inspection opening of the present invention is a ceiling inspection opening made of a main frame fixed to a ceiling finishing material and a door frame coupled to the main frame so as to be openable and closed, and the door frame is pulled to one side of the main frame to be separated. It is characterized in that it comprises a rotating means coupled by pushing to the other side.

The rotating means includes a first fixture fixed to the vertical extension of the main frame, a second fixture fixed to the vertical extension of the door frame, a hinge rotatably coupled to the first fixture and the second fixture. It is characterized by.

The hinge is characterized in that the first rotating part detachably coupled to the first fixture and the second rotating part fixed to the second fixture and the connecting portion connected to the first and second rotating part is formed integrally.

The first fixture is fixed to the long hole is formed in the main frame.

The second fixing tool is fixed to the long hole formed in the door frame.

The main frame and the door frame are characterized in that the bracket for fixing the frame to each side of the corner is fixed.

The bracket is characterized in that the holes are arranged at a predetermined interval.

The bracket is characterized in that the cross-section of the 'b' shape.

The ceiling inspection opening of the present invention is a ceiling inspection opening made of a main frame fixed to the ceiling finish, door frame coupled to open and close to the main frame, the door frame is pulled to one side of the main frame separated and pushed to the other side Rotating means is coupled, characterized in that it comprises an opening and closing means for maintaining the door frame fixed to the main frame.

The opening and closing means includes a lower horizontal portion formed on the main frame, a casing fixed to both side surfaces of the door frame, a spring fixed inside the casing, and a latch that is moved by the elasticity of the spring and caught by the protrusion. do.

The first fixture is fixed to the long hole is formed in the main frame.

The second fixing tool is fixed to the long hole formed in the door frame.

The bracket is characterized in that the cross-section of the 'b' shape.

The latch is characterized in that the horizontal bar that is caught on the lower horizontal portion and the handle protruding to the bottom surface of the door frame is integrally formed.

The present invention as described above is very easy to secure a work space for the operator can work by separating the door frame from the main frame, the door frame is rotated around the hinge, the open door frame is opened at 90 ° to the main frame work There is a useful effect of securing the space more widely than the prior art.

In addition, it has the convenience of automatically closing by pushing up the door frame by the opening and closing means, there is a useful effect that the door frame is easily opened by pushing the latching opening of the opening and closing means to one side.

In addition, since the main frame and the door frame are assembled in close contact with each other, they do not harm the interior aesthetics of the building and have a clean and beautiful finish effect.

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

Figure 6 is a perspective view showing a ceiling inspection door according to the present invention, Figure 7 is a perspective view showing an open state of the ceiling inspection door according to the present invention, Figure 8 shows a state in which the ceiling inspection door according to the present invention is separated. Figure 9 is an exploded perspective view, Figure 9 is a cross-sectional view of the main frame in which the door frame of the ceiling inspection door according to the present invention is separated, Figure 10 is a cross-sectional view showing a closed state of the ceiling inspection door according to the present invention, Figure 11 is according to the present invention This is a cross-sectional view showing the closed ceiling inspection door.

6 to 11, the ceiling inspection opening of the present invention is the main frame 10 fixed to the ceiling, the door frame 20 rotatably coupled to the main frame 10, the main frame 10 ) And a rotating means 30 coupled to one side of the door frame 20 so as to be opened and separated from the door frame 20.

In addition, the ceiling inspection opening of the present invention is fixed to the main frame 10, the door frame 20 is rotatably coupled to the main frame 10, the main frame 10 and the door frame 20 on one side It further comprises a rotating means 30 coupled to open and separate the door frame 20 and the opening and closing means 50 for maintaining the door frame 20 fixed to the main frame 10. .

The main frame 10 and the door frame 20 are made of aluminum, but may be formed by molding a synthetic resin.

In addition, as shown in FIGS. 10 and 11, the main frame 10 is provided with a lower horizontal portion 11 in contact with a bottom surface of a ceiling finishing material (not shown), and is perpendicular to the lower horizontal portion 11. An extended vertical extension part 12 is formed, and an upper horizontal part 13 extending horizontally is formed at an upper end of the vertical extension part 12.

In addition, the lower horizontal part 11 and the upper horizontal part 13 are formed with protrusions 14 protruding upward and downward, respectively, at positions spaced from the vertical extension part 12, and the vertical extension part 12 and the protrusion part. The brackets 15 which closely close each corner portion of the main frame 10 to each other and are fixed between the 14 are fixed.

7 and 8, the cross section is bent in a '-' shape, and a plurality of holes 16 are arranged at regular intervals in the bracket 15.

A portion of the main frame 10 is inserted into the hole 16 to apply a force to a portion of the main frame 10 to fix the corner portion of the main frame 10 to the hole 16.

In addition, since the clamps 15 are fixed to the corners of the rectangular main frame 10, respectively, the four main frames 10 can be fixed by only four clamps 15, so that a plurality of clamps 15 are unnecessary and the clamps 15 Can reduce the manufacturing cost.

In addition, the clamp 15 is fixed by applying a force to the main frame 10 as well as being supported by the protrusion 14, thereby more firmly fixing the main frame 10, and the assembly is made simple.

The door frame 20 has a lower horizontal portion 21 in close contact with the lower horizontal portion 11 of the main frame 10, and a vertical extension portion vertically extending to the lower horizontal portion 21. 22 is formed, and an upper horizontal portion 23 extending horizontally is formed at an upper end of the vertical extension portion 22.

In addition, the vertical extension portion 22 is formed with a protrusion 25 protruding upward and downward from the lower horizontal portion 21 and the upper horizontal portion 23, respectively, and the horizontal extension portion (top) of the vertical extension portion 22 23) is formed.

In addition, the lower horizontal portion 21 and the upper horizontal portion 23 are formed with protrusions 24 protruding upward and downward, respectively, at positions spaced from the vertical extension portion 22, and the vertical extension portion 22 and the protrusion portion are formed. Between the 24, the clamp 25 which fixes each corner part of the door frame 20 closely and is fixed is fixed.

As shown in FIGS. 7 and 8, the bracket 25 is bent in a '-' shape, and the holes 25 are formed with a plurality of holes 26 arranged at regular intervals.

A portion of the door frame 20 is inserted into the hole 26 to apply a force to a portion of the door frame 20 to fix the corner portion of the door frame 20 to the hole 26.

In addition, since the brackets 25 are fixed to the corner portions of the rectangular door frame 20, the door frames 20 can be fixed by only four brackets 25, so that a number of clamps 25 are unnecessary and the brackets 25 Can reduce the manufacturing cost.

In addition, the clamp 25 is fixed by applying a force to the door frame 20 as well as being supported by the protrusion 24, thereby more firmly fixing the door frame 20, the assembly is made simple.

Rotating means 30 is provided at one side between the main frame 10 and the door frame 20, and an opening and closing means 50 is provided at the other side.

The rotation means 30 is rotatably coupled between the first fixture 31 and the second fixture 32 and the fixtures 31 and 32 fixed to the main frame 10 and the door frame 20, respectively. It consists of a hinge (33).

As shown in Figs. 7 and 8, the main frame 10 and the door frame 20 are formed with long holes 17 and 27, respectively, and the long holes 17 of these main frames 10 are first fasteners. The 31 is fixed, and the second fixing tool 32 is fixed to the long hole 27 of the door frame 20.

The first fastener 31 and the second fastener 32 is formed with a fixing piece 34 that is bent into the long holes (17, 27), respectively, the fixing piece 34 is fitted to the long holes (17, 27) The first fixing sphere 31 and the second fixing sphere 32 are firmly fixed to the respective frames 10 and 20 by bending at the back of the next long holes 17 and 27.

In addition, the first fixing tool 31 and the second fixing tool 32 is formed with a fixed portion 35 in a circular shape, the hinge 33 is coupled to rotate freely in the state fitted to the fixing portion 35. .

In addition, the hinge 33 is fitted into the fixing part 35 of the first fixing tool 31, and the second hinge is inserted into and fixed to the fixing part 35 of the second fixing tool 32 and the first hinge part 33a. The rotating part 33b is formed, and the connection part 33c is connected between the 1st rotating part 33a and the 2nd rotating part 33b.

At this time, the first rotation part 33a of the hinge 33 is loosely coupled to the fixing part 35 of the first fixing tool 31 so as to be separated, and is separated from the fixing part 35 of the second fixing tool 32. It may be combined as loosely as possible.

In addition, the connecting portion 33c of the hinge 33 has a substantially 'c' shape, and the first and second rotating parts 33a and 33b are in opposite directions, but are bent in the same direction. It may be.

The connection part 33c is opened when the door frame 20 is not directly in contact with the main frame 10 when the door frame 20 is opened, so that the door frame 20 is horizontally opened like the main frame 10. To be.

In addition, the first rotating part 33a or the second rotating part 33b is coupled to be separated from the fixing part 35 of the fixing parts 31 and 32 so that an operator can move the door frame 20 from the main frame 10 as necessary. It can be easily separated.

The opening and closing means 50 of the present invention can be applied to various embodiments, only the most preferred embodiment of the present invention will be described.

The opening and closing means 50 is a position opposite to the rotating means 30, that is, when the rotating means 30 is installed at the fixed end of the main frame 10 and the door frame 20, the opening and closing means 50 is at the open end. Is installed.

The opening and closing means 50 has a casing 51 fixed to both side surfaces of the door frame 20, a spring 52 fixed inside the casing 51, and a locking mechanism moved by elasticity of the spring 52. 53).

One end of the spring 52 is fixed to the inside of the casing 51, and the other end of the spring 52 is fixed to the locking hole 53, and the locking hole 53 is pushed outward of the casing 51 to catch the locking hole 53. Will always stay protruding.

In addition, the locking hole 53 is formed in the shape of a large 'T', protruding to the bottom surface of the horizontal portion 54 and the door frame 20 which is fitted to the spring 52 and protrudes out of the casing 51. Handle 55 is formed integrally.

The ceiling inspection opening of the present invention having such a configuration is installed on the ceiling of the building so that the worker can look inside or enter the ceiling.

In this state in which the ceiling inspection door is installed, the worker retreats the handle 55 protruding to the bottom of the door frame 20 to open the ceiling inspection door. As the handle 55 is retracted, the horizontal bar 54 pushes the spring 52 so that the horizontal bar 54 is separated from the lower horizontal part 11 of the main frame 10.

As the horizontal bar 54 is separated from the lower horizontal part 11, the door frame 20 is released from the main frame 10 and the door frame 20 is rotated about the rotating means 30. .

The hinge 33 of the rotating means 30 has a connecting portion 33c having a substantially 'c' shape. When the door frame 20 is rotated, the door frame 20 opens in a horizontal state, that is, 180 °.

As the door frame 20 is opened in a horizontal state, a worker can secure a work space corresponding to the width of the door frame 20, and according to the securing of the work space, the worker can more easily look inside the ceiling of the building. It becomes possible.

In addition, the hinge 33 is fixed to the vertical extension 12 of the main frame 10 so that the door frame 20 remains open from the main frame 10 so that the door frame 20 is opened at about 90 ° or more with the main frame 10. As a result, it is possible to secure a larger working space than the prior art ceiling inspection doors.

In addition, the operator can separate the door frame 20 from the main frame 10 as needed.

Since the first rotating part 33a of the hinge 33 is coupled to be separated from the fixing part 35 of the first fixing tool 31, the operator holds the door frame 20 and fixes the first rotating part 33a to the fixing part. Pulling away from the 35, the door frame 20 is separated from the main frame 10.

The door frame 20 is separated from the door frame 20 by pulling the second fixing tool 32 fixed to the door frame 20 from the second rotating part 33b of the hinge 33 to be separated. Of course.

When the worker's work is completed in the open or separated state of the door frame 20, the worker pushes the door frame 20 toward the main frame 10.

When the operator pushes up the door frame 20, the door 20 is rotated about the hinge 33, and the locking hole 53 of the opening and closing means 50 installed at the open end side of the door 20 has the main frame 10. The lower horizontal portion 11 is caught.

In this case, if the door frame 20 is separated from the main frame 10, the operation of coupling the door frame 20 to the main frame 10 should be preceded.

Since the combination of the door frame 20 is made in the opposite direction of separation, a detailed description thereof will be omitted.

As the door frame 20 is rotated toward the main frame 10, the locking hole 53 of the opening / closing means 50 comes into contact with the lower horizontal portion 11 of the main frame 10.

As the worker keeps pushing the door frame 20, the horizontal bar 54 of the latch 53 retreats while pushing the spring 52, and the horizontal bar 54 of the latch 53 is retracted. When the bottom surface is raised to a position higher than the lower horizontal portion 11 of the main frame 11, the locking port 53 is advanced by the elasticity of the spring 52.

When the latch 53 is caught by the lower horizontal portion 11 of the main frame 10, the door frame 20 is maintained in a closed state.

In addition, according to the present invention, as the main frame 10 and the door frame 20 are assembled by the brackets 15 and 25, respectively, the door frame 20 can maintain a state in which the main frame 10 is in intimate contact with the main frame 10. .

That is, the ceiling inspection port of the prior art should have a space to which these shafts are coupled in order to combine the rotating shaft and the operating shaft, but the door frame should be made smaller than the main frame, but the ceiling inspection port of the present invention does not require these axes, so the door frame 20 The door frame 20 can be easily opened and closed even if the) close to the inner surface of the main frame 10.

When the operator opens and closes the door frame 20 to the main frame 10 without any manipulation, the door frame 20 is automatically closed.

The present invention can be applied to not only the ceiling inspection door but also the door that the worker looks inside or the worker enters.

1 is a bottom view showing a conventional ceiling inspection opening.

Figure 2 is a cross-sectional view showing a fixing means of the conventional ceiling inspection opening.

Figure 3 is a perspective view showing a fixing means of the conventional ceiling inspection opening.

Figure 4 is a cross-sectional view showing a fastening means of the conventional ceiling inspection opening.

5 is a perspective view showing a fastening means of the conventional ceiling inspection opening.

Figure 6 is a perspective view of the ceiling inspection opening according to the present invention.

Figure 7 is a perspective view showing a state in which the ceiling inspection opening is open according to the present invention.

8 is an exploded perspective view showing a state in which the ceiling check opening is separated according to the present invention.

9 is a cross-sectional view of the main frame in which the door frame of the ceiling inspection opening according to the present invention is separated.

10 is a cross-sectional view showing a state in which the ceiling inspection door is closed according to the present invention.

11 is a cross-sectional view showing a state in which the ceiling inspection opening is closed according to the present invention.

10: main frame 11: lower horizontal part

12: vertical extension part 13: upper horizontal part

14: protrusion 15: bracket

16: hole

20: door frame 21: lower horizontal portion

22: vertical extension part 23: upper horizontal part

24: protrusion 25: angle

26: hole

30: rotation means 31: the first fastener

32: Second Fixture 33: Hinge

34: fixed piece 35: fixed part

50: opening and closing means 51: casing

52: spring 53: latch

54: horizontal bar 55: handle

Claims

A ceiling inspection opening comprising a main frame fixed to a ceiling finishing material, a door frame coupled to the main frame so as to be openable and closed.

The door frame is a ceiling inspection opening comprising a rotating means that is separated by pulling to one side of the main frame, pushed to the other side.

The method of claim 1,

The rotating means is a first fixture fixed to the vertical extension of the main frame,

A second fixture fixed to a vertical extension of the door frame,

And a hinge rotatably coupled to the first fixture and the second fixture.

The method of claim 2,

The hinge is a ceiling inspection port characterized in that the first rotating part detachably coupled to the first fixture and the second rotating part fixed to the second fixture and the connecting portion connected to the first rotating part and the second rotating part integrally formed .

The method according to claim 2 or 3,

The first fixture is fixed to the ceiling, characterized in that fixed to the long hole formed in the main frame.

The method of claim 4, wherein

And the second fixing tool is fixed to the long hole formed in the door frame.

The method of claim 4, wherein

The main frame and the door frame is a ceiling check, characterized in that the bracket for fixing the frame on each side of the corner is fixed.

The method of claim 6,

The bracket has a ceiling check, characterized in that the holes are arranged at a predetermined interval.

The method of claim 6,

The bracket is a ceiling check, characterized in that the cross section of the '' 'shape.

As the ceiling inspection port of the main frame fixed to the ceiling finish, door frame coupled to the main frame to be opened and closed,

The door frame is rotated by being pulled to one side of the main frame, separated, and coupled by pushing to the other side,

And an opening and closing means for maintaining the door frame fixed to the main frame.

10. The method of claim 9,

A second fixture fixed to a vertical extension of the door frame,

And a hinge rotatably coupled to the first fixture and the second fixture.

10. The method of claim 9,

The opening and closing means is a lower horizontal portion formed in the main frame,

Casings fixed to both side surfaces of the door frame,

A spring fixed inside the casing,

The ceiling inspection opening, characterized in that it comprises a locking hole is moved by the elasticity of the spring is caught on the lower horizontal portion.

The method of claim 10,

A second fixture fixed to a vertical extension of the door frame,

And a hinge rotatably coupled to the first fixture and the second fixture.

The method of claim 12,

The method according to claim 12 or 13,

The method of claim 14,

And the second fixing tool is fixed to the long hole formed in the door frame.

The method of claim 14,

The method of claim 16,

The method of claim 11,

Wherein the latch is a ceiling check, characterized in that the horizontal bar that is caught on the lower horizontal portion and the handle protruding to the bottom of the door frame is integrally formed.