KR102432389B1 - The device of the covering of the ceiling substructure - Google Patents

Abstract

Disclosed is a cover device for a ceiling substructure, which covers the interior material or the finishing material installed at a ceiling substructure from being exposed to the outside, and prevents the broken parts of the interior material or the finishing material from falling. To this end, the cover device for a ceiling substructure is a cover device for a ceiling substructure which is installed at beams spaced apart along one direction at the ceiling substructure to cover the ceiling substructure, and which comprises: profile assembly bodies which are detachably coupled to the beams; and shielding covers which are detachably coupled to the profile assembly bodies to shield the gaps between the beams. The profile assembly bodies are configured to be moved in a horizontal direction to pull the shielding covers to adjust the tension of the shielding covers. The shielding covers comprise: a coupling bar coupled to the profile assembly body, and moved in a horizontal direction by the profile assembly body; and a membrane of a flexible material, which is connected to the coupling bar and is capable of adjusting tension when the coupling bar is moved.

Description

The device of the covering of the ceiling substructure

The present invention relates to a covering device for a sub-ceiling structure.

In general, in stadiums, playgrounds, or outdoor stages where various sports games are held, stands are provided for spectators and related persons to watch sports events or performances.

A shading structure is installed on the stand as described above so that a shade can be created or a safe viewing can be made from wind or rain.

The awning structure is usually made of a plurality of sections disposed on the ceiling, and a finishing material installed between the sections.

However, the finishing material installed on the above-mentioned awning structure is deformed or damaged over time, and thus the finishing material cannot perform its function properly, as well as the damaged or damaged area as it is exposed to the outside. There was a problem in that the scenery was harmed, and the damaged parts fell to a stand used by a large number of people.

Registered Patent Publication No. 10-1397640

The present invention has been devised to solve the above problems, and an object of the present invention is to cover the exposure of the interior material or the finishing material installed in the ceiling lower structure to the outside, and to prevent the damaged parts of the interior material or the finishing material from falling. It is to provide a covering device of the ceiling substructure.

Another object of the present invention is to provide a cover device for a lower ceiling structure capable of preventing deformation of the shielding covers by applying tension to the shielding covers disposed under the interior material or the finishing material.

The problems of the present invention are not limited to the problems mentioned above, and other problems not mentioned will be clearly understood by those skilled in the art from the following description.

The covering device of the sub-ceiling structure according to an embodiment of the present invention for solving the above problems is installed on beams spaced apart from the ceiling sub-structure in one direction to cover the sub-ceiling structure. profile assemblies removably coupled to the beams; and shielding covers detachably coupled to the profile assemblies to shield between the beams, wherein the profile assemblies are configured to adjust the tension of the shielding covers by pulling the shielding covers while moving in a horizontal direction, , The shield cover is coupled to the profile assembly, the coupling bar is moved in the horizontal direction by the profile assembly; and a membrane made of a flexible material connected to the coupling bar and capable of adjusting the tension when the coupling bar is moved.

The profile assemblies may include: a first profile coupled to one side of the beam to be slidably moved along the horizontal direction, and a portion of the first shielding cover is detachably coupled; a second profile disposed to be slidably moved along the horizontal direction on the other side of the beam, and a portion of the second shielding cover is detachably coupled; It is disposed below the first profile and the second profile and is fastened through the first profile and the second profile, and the first shielding cover and the second profile by adjusting the distance between the first profile and the second profile; a profile transfer member configured to adjust the tension of the second shielding cover; and a beam cover that is detachably coupled to the lower side of the first profile and the second profile and is configured to protect the profile transfer member from the outside, wherein when the profile transfer member is tightened, the first profile and the It may be configured to pull the second profile into close contact, and to separate the first profile and the second profile when released.

The profile assemblies may include: a clamping unit coupled to and fixed to the beam; a first profile disposed under the clamping unit and to which a portion of the first shielding cover is detachably coupled; a second profile disposed opposite to the first profile along the horizontal direction and to which a portion of the second shielding cover is detachably coupled; and a profile transfer member configured to connect the first profile and the second profile and adjust the tension of the first shielding cover and the second shielding cover by adjusting a distance between the first profile and the second profile. , wherein the clamping unit is configured to be fixed to the beam by pressing the beam in the horizontal and vertical directions, and the profile transfer member includes the first profile and the second profile along the longitudinal direction of the beam. It is alternately connected to the beam, and when tension is applied in the longitudinal direction of the beam, the first profile and the second profile are pulled in close contact, and when the tension is released, the first profile and the second profile are separated. can

The first profile and the second profile are supported by hanging on the upper surface of the beam, the first slide portion sliding along the upper surface of the beam; a second slide part supported on the lower surface of the beam and slidably moved along the lower surface of the beam; a cover coupling ring connecting the first slide part and the second slide part, supporting the side of the beam, and to which the shielding cover is detachably coupled; a fastening bracket disposed at an end of the second slide part and to which the profile transfer member is coupled; and a hook hook to which the beam cover is detachably coupled, wherein the profile transfer member includes: a bolt member penetrating through the first profile and the second profile, a portion of which is hung and supported by the second profile; and a nut member fastened to the bolt member and supported by the first profile, wherein the beam cover is spaced apart from the lower surfaces of the first profile and the second profile, and is parallel to the horizontal direction. a horizontal portion disposed; an inclined portion extending from both ends of the horizontal portion to be inclined upward with respect to the horizontal portion; a vertical portion extending vertically from an end of the inclined portion to block the inflow of foreign substances into the beam cover; and a beam hook disposed on the inner surface of the inclined portion and detachably coupled to the engaging hook.

The clamping unit may include: a first clamping part disposed on one side of the beam and configured to be fixed to the beam by pressing an upper surface and a lower surface of the beam along the vertical direction; and a second clamping part coupled to the first clamping part so as to be slidably movable in the horizontal direction, and configured to be fixed by being hooked on the other side of the beam through length adjustment. A portion of the beam is accommodated in the 'C'-shaped clamping body for pressing and supporting the lower surface of the beam; It is rotatably coupled to the clamping body to press the upper surface of the beam, and to adjust the distance between the lower surface of the beam and the clamping body through rotation to selectively bring the clamping body into close contact with the lower surface of the beam pressure adjusting member; and a support bracket rotatably coupled to a lower side of the clamping body and configured to support the first profile or the second profile, wherein the clamping body includes: a beam receiving groove in which a portion of the beam is accommodated; an upper body portion disposed on the upper side of the beam, the pressure adjusting member is rotatably coupled, and first pressing protrusions having a sawtooth shape are formed at a lower end thereof; a lower body portion disposed on the lower side of the beam, the support bracket is rotatably coupled, and second pressing protrusions having a sawtooth shape are formed at an upper end thereof; and a connecting body part connecting the upper body part and the lower body part and supporting the second clamping part, wherein the pressure adjusting member is coupled to the upper body part and has a thread on its outer surface along the longitudinal direction. a pressing bolt portion comprising a shaft portion formed and a wedge-shaped spike portion disposed at one end of the shaft portion and pressing the upper surface of the beam at the end; a pressing nut portion coupled to the pressing bolt portion and disposed on the upper side of the upper body portion, configured to elevate the pressing bolt portion through rotation; and a washer member disposed between the pressing nut part and the upper body part to support the pressing nut part, wherein the second clamping part includes a hook-shaped engaging part hooked and fixed to the other side of the beam; a locking bar extending from the locking part and including an adjustment part penetrating the clamping body; a bar bracket supported on the outer surface of the clamping body and through which the locking bar penetrates and is supported; and an adjustment nut coupled to the adjustment unit and configured to move the locking bar along the horizontal direction through rotation, wherein the first profile and the second profile are transferred to which the profile transfer member is coupled. a transfer member coupling unit comprising a member coupling ring and a slide block disposed on one side of the conveying member coupling ring; and a profile body including a cover coupling ring to which the shielding cover is detachably coupled, and a slide rail to which the slide block is slidably coupled, wherein the profile transfer member may be a metallic cable. .

According to an embodiment of the present invention, it is possible to prevent a safety accident by covering that the interior material or the finishing material installed on the ceiling lower structure is exposed to the outside, and preventing the damaged parts of the interior material or the finishing material from falling.

Also, it is possible to prevent deformation of the shielding covers by continuously applying tension to the shielding covers disposed under the interior material or the finishing material.

The effect according to the present invention is not limited by the contents exemplified above, and more various effects are included in the present invention.

1 is a front view illustrating a process of applying tension to a shielding cover by a cover device of a lower ceiling structure according to an embodiment of the present invention.
Figure 2 is an enlarged view showing the cover device of the ceiling lower structure according to an embodiment of the present invention.
3 is a front view illustrating a process of applying tension to the shielding cover by the cover device of the ceiling lower structure according to another embodiment of the present invention.
4 is a plan view illustrating a process of applying tension to the shielding cover by the cover device of the ceiling lower structure according to another embodiment of the present invention.
5 is an enlarged view showing the cover device of the ceiling lower structure according to another embodiment of the present invention.
6 is an enlarged view of a clamping unit according to another embodiment of the present invention.
7 is a diagram illustrating a process of applying tension to the shielding cover by the profiles according to another embodiment of the present invention.

Hereinafter, embodiments will be described in detail with reference to the accompanying drawings. However, since various changes may be made to the embodiments, the scope of the patent application is not limited or limited by these embodiments. It should be understood that all modifications, equivalents and substitutes for the embodiments are included in the scope of the rights.

Specific structural or functional descriptions of the embodiments are disclosed for purposes of illustration only, and may be changed and implemented in various forms. Accordingly, the embodiments are not limited to a specific disclosure form, and the scope of the present specification includes changes, equivalents, or substitutes included in the technical spirit.

Although terms such as first or second may be used to describe various elements, these terms should be interpreted only for the purpose of distinguishing one element from another. For example, a first component may be termed a second component, and similarly, a second component may also be termed a first component.

When a component is referred to as being “connected” to another component, it may be directly connected or connected to the other component, but it should be understood that another component may exist in between.

The terms used in the examples are used for the purpose of description only, and should not be construed as limiting. The singular expression includes the plural expression unless the context clearly dictates otherwise. In the present specification, terms such as “comprise” or “have” are intended to designate that a feature, number, step, operation, component, part, or combination thereof described in the specification exists, but one or more other features It is to be understood that this does not preclude the possibility of the presence or addition of numbers, steps, operations, components, parts, or combinations thereof.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which the embodiment belongs. Terms such as those defined in a commonly used dictionary should be interpreted as having a meaning consistent with the meaning in the context of the related art, and should not be interpreted in an ideal or excessively formal meaning unless explicitly defined in the present application. does not

In addition, in the description with reference to the accompanying drawings, the same components are assigned the same reference numerals regardless of the reference numerals, and the overlapping description thereof will be omitted. In the description of the embodiment, if it is determined that a detailed description of a related known technology may unnecessarily obscure the gist of the embodiment, the detailed description thereof will be omitted.

Advantages and features of the present invention and methods of achieving them will become apparent with reference to the embodiments described below in detail in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but will be implemented in a variety of different forms, only these embodiments allow the disclosure of the present invention to be complete, and common knowledge in the technical field to which the present invention belongs It is provided to fully inform the possessor of the scope of the invention, and the present invention is only defined by the scope of the claims.

In the embodiments of the present invention, unless otherwise defined, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by those of ordinary skill in the art to which the present invention belongs. have meaning Terms such as those defined in a commonly used dictionary should be interpreted as having a meaning consistent with the meaning in the context of the related art, and unless explicitly defined in an embodiment of the present invention, an ideal or excessively formal meaning is not interpreted as

The shapes, sizes, proportions, angles, numbers, etc. disclosed in the drawings for explaining the embodiments of the present invention are illustrative and the present invention is not limited to the illustrated matters. In addition, in describing the present invention, if it is determined that a detailed description of a related known technology may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted. When 'including', 'having', 'consisting', etc. mentioned in this specification are used, other parts may be added unless 'only' is used. When a component is expressed in the singular, the case in which the plural is included is included unless specifically stated otherwise.

In interpreting the components, it is interpreted as including an error range even if there is no separate explicit description.

In the case of a description of the positional relationship, for example, when the positional relationship of two parts is described as 'on', 'on', 'on', 'beside', etc., 'right' Alternatively, one or more other parts may be positioned between the two parts unless 'directly' is used.

Reference to an element or layer “on” another element or layer includes any intervening layer or other element directly on or in the middle of another element. Like reference numerals refer to like elements throughout.

The size and thickness of each component shown in the drawings are illustrated for convenience of description, and the present invention is not necessarily limited to the size and thickness of the illustrated component.

Each feature of the various embodiments of the present invention may be partially or wholly combined or combined with each other, and as those skilled in the art will fully understand, technically various interlocking and driving are possible, and each embodiment may be independently implemented with respect to each other, It may be possible to implement together in a related relationship.

1 is a front view illustrating a process in which a cover device of a lower ceiling structure applies tension to a shielding cover according to an embodiment of the present invention, and FIG. 2 is an enlarged view of the cover device of the lower ceiling structure according to an embodiment of the present invention. It is a drawing shown.

1 and 2 , the cover device 1000 (hereinafter referred to as a 'cover device 1000') of the sub-ceiling structure S according to an embodiment of the present invention is provided in the sub-ceiling structure S along one direction. ) is installed on the beams (B) that are spaced apart and configured to cover the lower ceiling structure (S).

The cover device 1000 includes profile assemblies 1 and shield covers 2 .

The profile assemblies 1 are detachably coupled to the beams B, and are configured to adjust the tension of the shield covers 2 by pulling the shield covers 2 while moving in the horizontal direction.

The profile assemblies 1 may include a first profile 11 , a second profile 12 , a profile transfer member 13 and a beam cover 14 .

The first profile 11 may be slidably coupled to one side of the beam B along the horizontal direction, and a portion of the first shielding cover 2A may be detachably coupled.

The second profile 12 may be slidably disposed along the horizontal direction on the other side of the beam B, and a portion of the second shielding cover 2B may be detachably coupled.

Here, the first profile 11 and the second profile 12 have the same shape and may be formed of a metallic material. For example, the first profile 11 and the second profile 12 may be formed of an aluminum material.

Specifically, the first profile 11 and the second profile 12 are supported by being hung on the upper surface of the beam B, and a first slide portion P1 that is slidably moved along the upper surface of the beam B, Connecting the second slide part (P2), the first slide part (P1) and the second slide part (P2) supported on the lower surface of the beam (B) and sliding along the lower surface of the beam (B), Supporting the side of the beam (B), the shield cover (2) is disposed at the end of the cover coupling ring (P3), the second slide portion (P2) is detachably coupled, the profile transfer member (13) is coupled The fastening bracket (P4) and the beam cover 14 may include a locking hook (P5) to which the detachably coupled.

The profile transfer member 13 is disposed below the first profile 11 and the second profile 12 and is fastened through the first profile 11 and the second profile 12, and the first profile 11 and the second profile 12 may be configured to adjust the tension of the first shielding cover 2A and the second shielding cover 2B.

In more detail, the profile transfer member 13 pulls the first profile 11 and the second profile 12 when tightened, and separates the first profile 11 and the second profile 12 when loosened. can be configured to do so.

Specifically, the profile transfer member 13 penetrates through the first profile 11 and the second profile 12, and a part is hung on the second profile 12 and supported on the bolt member 131 and the bolt member 131 . It may include a nut member 132 that is fastened and supported by the first profile 11 .

The beam cover 14 may be detachably coupled to the lower side of the first profile 11 and the second profile 12 to protect the profile transfer member 13 from the outside.

Specifically, the beam cover 14 is spaced apart from the lower surface of the first profile 11 and the second profile 12 , and a horizontal portion 141 disposed parallel to the horizontal direction, both ends of the horizontal portion 141 . The inclined portion 142 extended from the horizontal portion 141 and disposed to be inclined upward with respect to the horizontal portion 141 , the vertical portion 143 extending vertically from the end of the inclined portion 142 to block the inflow of foreign substances into the beam cover 14 . ) and a beam hook 144 disposed on the inner surface of the inclined portion 142 and detachably coupled to the engaging hook P5.

For example, the beam cover 14 may be formed of a PVC material.

The shielding cover 2 is removably coupled to the profile assemblies 1 and is configured to shield between the beams B.

Specifically, the shielding cover (2) is coupled to the profile assembly (1), the coupling bar (21) moved in the horizontal direction by the profile assembly (1), and connected to the coupling bar (21), the coupling bar (21) ) includes a membrane 22 made of a flexible material that can adjust the tension during movement.

Hereinafter, the cover device 1000 according to another embodiment of the present invention will be described.

For reference, while explaining the cover device 1000 according to another embodiment of the present invention, the same or duplicate description as the cover device 1000 according to an embodiment of the present invention will be omitted.

Figure 3 is a front view showing a process of applying a tension to the shielding cover by the cover device of the lower ceiling structure according to another embodiment of the present invention, Figure 4 is a cover device of the ceiling lower structure according to another embodiment of the present invention is shielded It is a plan view showing a process of applying tension to the cover, and FIG. 5 is an enlarged view showing the cover device of the ceiling lower structure according to another embodiment of the present invention.

3 to 5 , the profile assemblies 1 may include a clamping unit 15 , a first profile 11 , a second profile 12 , and a profile transfer member 13 .

The clamping unit 15 may be coupled to the beam B, and may be configured to be fixed to the beam B by pressing the beam B in the horizontal and vertical directions.

6 is an enlarged view of a clamping unit according to another embodiment of the present invention.

Referring to FIG. 6 , the clamping unit 15 may include a first clamping part 151 and a second clamping part 152 .

The first clamping part 151 may be disposed on one side of the beam B, and may be configured to be fixed to the beam B by pressing the upper and lower surfaces of the beam B along the vertical direction.

The first clamping part 151 may include a clamping body 151A, a pressure adjusting member 151B, and a support bracket 151C.

The clamping body 151A may be formed in a 'C' shape in which a portion of the beam B is accommodated, and presses and supports the upper or lower surface of the beam B.

Specifically, the clamping body 151A is disposed on the upper side of the beam receiving groove 151A1 in which a part of the beam B is accommodated, the beam B, and the pressure adjusting member 151B is rotatably coupled to the lower end. The upper body portion 151A2 in which the first pressing protrusions T1 of the sawtooth shape are formed, is disposed below the beam B, the support bracket 151C is rotatably coupled to the upper body portion, and the second tooth shape is provided at the upper end. Connecting the lower body part 151A3 and the upper body part 151A2 and the lower body part 151A3 in which the pressing protrusions T2 are formed, and the connection body part 151A4 in which the second clamping part 152 is supported. may include

The pressure adjusting member 151B is rotatably coupled to the clamping body 151A to press the upper surface of the beam B, and adjusts the distance between the lower surface of the beam B and the clamping body 151A through rotation to clamp. It may be configured to selectively attach the body 151A to the lower surface of the beam B.

The pressing adjustment member 151B may include a pressing bolt part 151B1, a pressing nut part 151B2, and a washer member 151B3.

The pressing bolt portion (151B1) is coupled to the upper body portion (151A2), the shaft portion (S) in which a thread (TH) is formed along the longitudinal direction on the outer surface, and disposed at one end of the shaft portion (S), the beam at the end It may include a wedge-shaped spike portion (SP) for pressing the upper surface of (B).

The pressing nut part 151B2 is coupled to the pressing bolt part 151B1 and disposed above the upper body part 151A2, and may be configured to elevate the pressing bolt part 151B1 through rotation.

The washer member 151B3 may be disposed between the pressing nut portion 151B2 and the upper body portion 151A2 to support the pressing nut portion 151B2.

The support bracket 151C is rotatably coupled to the lower side of the clamping body 151A, and may be configured to support the first profile 11 or the second profile 12 .

The second clamping part 152 may be coupled to the first clamping part 151 to be slidably movable in the horizontal direction, and may be configured to be fixed by being caught on the other side of the beam B through length adjustment.

The second clamping part 152 may include a locking bar 152A, a bar bracket 152B, and an adjustment nut 152C.

The locking bar 152A includes a hook-shaped locking part 152A1 that is hooked and fixed to the other side of the beam B, and an adjustment part 152A2 extending from the locking part 152A1 and passing through the clamping body 151A. can do.

The bar bracket 152B may be supported on the outer surface of the clamping body 151A, and the locking bar 152A may be penetrated therein to be supported.

The adjustment nut 152C is fastened to the adjustment part 152A2, and may be configured to move the locking bar 152A along the horizontal direction through rotation.

7 is a view showing a process in which the profiles according to another embodiment of the present invention apply tension to the shielding cover.

3 and 7 , the first profile 11 may be disposed below the clamping unit 15 , and a portion of the first shielding cover 2A may be detachably coupled thereto.

The second profile 12 is disposed opposite to the first profile 11 in the horizontal direction, and a portion of the second shielding cover 2B may be detachably coupled thereto.

Here, the first profile 11 and the second profile 12 have the same shape and may be formed of a metallic material. For example, the first profile 11 and the second profile 12 may be formed of an aluminum material.

Specifically, the first profile 11 and the second profile 12 are slides disposed on one side of the transfer member coupling ring P61 to which the profile conveying member 13 is coupled, and the conveying member coupling ring P61. The transfer member coupling part (P6) including the block (P62) and the cover coupling ring part (P71) to which the shielding cover (2) is detachably coupled, and the slide rail (P62) to which the slide block (P62) is slidably coupled ( It may include a profile body (P7) including P72).

3 to 5, the profile transfer member 13 connects the first profile 11 and the second profile 12, and the distance between the first profile 11 and the second profile 12 It may be configured to adjust the tension of the first shielding cover 2A and the second shielding cover 2B by adjusting.

Specifically, the profile transfer member 13 may be a cable made of a metallic material alternately connected to the first profile 11 and the second profile 12 along the longitudinal direction of the beam (B).

Therefore, the profile transfer member 13 pulls the first profile 11 and the second profile 12 when tension is applied in the longitudinal direction of the beam B, and when the tension is released, the first profile 11 and The second profile 12 may be spaced apart.

As described above, according to an embodiment of the present invention, it is possible to prevent a safety accident by covering that the interior material or the finishing material installed on the ceiling lower structure (S) is exposed to the outside, and preventing the damaged parts of the interior material or the finishing material from falling.

In addition, it is possible to prevent deformation of the shielding covers (2) by continuously applying tension to the shielding covers (2) disposed under the interior or finishing material.

Although the embodiments of the present invention have been described in more detail with reference to the accompanying drawings, the present invention is not necessarily limited to these embodiments, and various modifications may be made within the scope without departing from the technical spirit of the present invention. . Therefore, the embodiments disclosed in the present invention are not intended to limit the technical spirit of the present invention, but to explain, and the scope of the technical spirit of the present invention is not limited by these embodiments. Therefore, it should be understood that the embodiments described above are illustrative in all respects and not restrictive. The protection scope of the present invention should be construed by the following claims, and all technical ideas within the equivalent range should be construed as being included in the scope of the present invention.

Therefore, other implementations, other embodiments, and equivalents to the claims are also within the scope of the following claims.

1000. Cover device
1. Profile assembly
11. First Profile
12. Second Profile
P1. first slide
P2. second slide
P3. cover linkage
P4. fastening bracket
P5. jam hook
P6. Transfer member coupling part
P61. Transfer member coupling ring
P62. slide block
P7. profile body
P71. cover linkage
P72. slide rail
13. Profile transfer member
131. Bolt member
132. Nut member
14. Beam Cover
141. Horizontal
142. Slope
143. Vertical
144. Beam hook
15. Clamping unit
151. First clamping part
151A. clamping body
151A1. Beam receiving groove
151A2. upper body part
T1. first pressing protrusions
151A3. lower body part
T2. second pressing protrusions
151A4. connection body
151B. pressure control member
151B1. pressurized bolt
S. shaft
TH. thread
SP. spike part
151B2. pressurized nut
151B3. washer member
151 C. support bracket
152. Second clamping part
152A. jam bar
152A1. jam part
152A2. adjuster
152B. bar bracket
152C. adjusting nut
2. Shielding cover
2A. first shield cover
2B. second shield cover
21. Combination bar
22. Membrane
S. Ceiling substructure
B. Beam

Claims (3)

A covering device for a lower ceiling structure configured to cover the lower ceiling structure by being installed on beams spaced apart from the ceiling lower structure in one direction,
profile assemblies removably coupled to the beams; and
Shielding covers detachably coupled to the profile assemblies to shield between the beams;
The profile assemblies are configured to adjust the tension of the shield covers by pulling the shield covers while moving in the horizontal direction,
The shielding cover is
a coupling bar coupled to the profile assembly and moved in the horizontal direction by the profile assembly; and
A membrane of a flexible material connected to the coupling bar and capable of adjusting the tension when the coupling bar is moved;
The profile assemblies are
a first profile coupled to one side of the beam to be slidably moved along the horizontal direction, and a portion of the first shielding cover is detachably coupled;
a second profile disposed to be slidably movable along the horizontal direction on the other side of the beam, and a portion of the second shielding cover is detachably coupled;
It is disposed below the first profile and the second profile and is fastened through the first profile and the second profile, and the first shielding cover and the second profile by adjusting the distance between the first profile and the second profile; a profile transfer member configured to adjust the tension of the second shielding cover; and
A beam cover that is detachably coupled to the lower side of the first profile and the second profile to protect the profile transfer member from the outside; includes;
When the profile transfer member is tightened, the first profile and the second profile are pulled into close contact with each other, and when loosened, the first profile and the second profile are spaced apart, the covering device of the ceiling lower structure. delete According to claim 1,
The profile assemblies are
a clamping unit coupled to and fixed to the beam;
a first profile disposed under the clamping unit and to which a portion of the first shielding cover is detachably coupled;
a second profile disposed opposite to the first profile along the horizontal direction and to which a portion of the second shielding cover is detachably coupled; and
a profile transfer member configured to connect the first profile and the second profile, and to adjust the tension of the first shielding cover and the second shielding cover by adjusting a distance between the first profile and the second profile; including,
The clamping unit is configured to be fixed to the beam by pressing the beam in the horizontal and vertical directions,
The profile transfer member is alternately connected to the first profile and the second profile along the longitudinal direction of the beam, and when tension is applied in the longitudinal direction of the beam, the first profile and the second profile are pulled into close contact, , When the tension is released, configured to separate the first profile and the second profile, the cover device of the under-ceiling structure.

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