KR20230059125A - plate assembled cover structures - Google Patents

Abstract

Disclosed is a plate-assembled cover structure for preventing foreign substances from entering from the outside or gases or pollutants from leaking to the outside. The disclosed plate-assembled cover structure comprises: a frame structure in which square pipes are coupled in a predetermined direction between neighboring upper frames to form a plurality of openings in a predetermined direction; a plurality of cover plates which are coupled to the frame structure to block each of the openings, and which each include an upper plate and a pair of lower protruding wings parallel to the lower surface of the upper plate, wherein the pair of lower protruding wings are inserted to face inner wall surfaces, facing each other, of each of the openings; and fixing means airtightly fixing each of the plurality of cover plates to the frame structure. Therefore, the plate-assembled cover structure can prevent the pollution of the surrounding environment, thereby improving the living environment.

Description

plate assembled cover structures}

The present invention is installed in places such as wastewater treatment plants, sewage treatment plants, water purification plants, etc., to prevent foreign substances such as fallout or yellow dust or pollutants from flowing into the interior due to water leakage, and to prevent odors and / or toxic gases from entering the outside. It relates to a cover structure for preventing leakage, and in particular, an assembly obtained by assembling cover plates previously manufactured by sheet molding compound (SMC), Al, an alloy containing the same, or a polycarbonate material to openings formed in a frame structure. It relates to a mold cover structure.

Prefabricated cover structures including covers are installed in places such as conventional wastewater treatment plants, sewage treatment plants, water purification plants, and the like, and these prefabricated structures are constructed using various methods. However, this prefabricated cover structure has several problems, such as inflow of contaminants, water leakage, leakage of odorous gas, and the like.

Such an assembly-type cover structure is constructed by fastening a plurality of frames to each plate, covering the panel thereon and assembling it by clamping, fixing the fastening part with a cover, and finishing by applying silicone, Such a structure has many problems such as poor durability.

Representatively, Korean Patent Registration No. 10-1049004 discloses a construction method of a dome structure and a dome structure using the same. The disclosed dome structure includes a main gusset having an upper main gusset and a lower main gusset as a pair, and the upper main gusset. Assembled between the gusset and the lower main gusset, formed in the form of an H beam, two protrusions are formed in the longitudinal direction at the top, a groove is formed between the two protrusions, a first hole is formed on one side of the upper part, and a first hole is formed on one side of the upper part. A second hole is formed on one side, a third hole is formed on one side of the lower part, and a fourth hole is formed on the other side of the lower part, so that the upper main gusset is bolted through the first hole and the third hole is formed. A plurality of first struts bolted to the lower main gusset through a plurality of first struts, and an upper auxiliary gusset and a lower auxiliary gusset are assembled as a pair on the opposite side where each of the plurality of first struts is assembled with the main gusset, and the second Assembled between a first auxiliary gusset to which a hole and the upper auxiliary gusset are assembled and to which the fourth hole and a lower auxiliary gusset are assembled, and another first auxiliary gusset adjacent to the first auxiliary gusset, the first strut and A plurality of second struts having the same structure, a plurality of third struts assembled to the first auxiliary gusset, downward on the opposite side to which the main gusset is disposed, and having the same structure as the first and second struts; Each of the third struts is assembled on each side opposite to the first auxiliary gusset and is assembled between a second auxiliary gusset having the same structure as the first auxiliary gusset and another second auxiliary gusset adjacent to the second auxiliary gusset, respectively Assembled in, the fourth strut having the same structure as the first, second, and third struts, and the first strut, the first auxiliary gusset, the third strut, the second auxiliary gusset, and the fourth strut have the same configuration as the radial A plurality of shoes assembled to the nth auxiliary gusset at the end of the dome structure, a plurality of shoe bases assembled with the plurality of shoes and assembled with the upper part of the building covered by the dome structure, and the first formed by the dome structure skeleton. A dome cover having a bent end to cover 1 space, a side cover having a bent end to cover a second space formed by a building and a strut between the shoe base and each assembled shoe, and an upper portion of the dome cover Alternatively, the baton is disposed to be stacked on top of the side cover and has a fifth hole for bolting, a gasket for waterproofing between the dome cover and the baton or between the side cover and the baton, and the fifth hole formed in the baton to pass through the baton. It is composed of bolts coupled to grooves formed in one strut, and covers all of the first spaces formed with a plurality of dome covers, a plurality of batons, a plurality of gaskets, and a plurality of bolts, a plurality of side covers, and a plurality of bolts. A baton, a plurality of gaskets, and a plurality of bolts cover all of the plurality of second spaces.

In addition, a main gusset having an upper main gusset and a lower main gusset as a pair, and assembled between the upper main gusset and the lower main gusset, formed in an H-beam shape, the tenth protrusion and the eleventh protrusion at the top in the longitudinal direction And at the same time, the 12th protrusion and the 13th protrusion are formed between the 10th protrusion and the 11th protrusion, 10 holes are formed on one side of the upper part, 11th holes are formed on the other side of the upper part, and the first hole is formed on one side of the lower part. A plurality of 10th struts having 12 holes formed and 13th holes formed on the other side of the lower part, bolted to the upper main gusset through the 10th hole and bolted to the lower main gusset through the 12th hole; An upper auxiliary gusset and a lower auxiliary gusset are assembled as a pair on each of the opposite sides where each of the 10th struts is assembled with the main gusset, the 11th hole and the upper auxiliary gusset are assembled, and the 13th hole and the lower auxiliary gusset The assembled 10th auxiliary gusset, a plurality of 20th struts assembled between the 10th auxiliary gusset and another adjacent 10th auxiliary gusset, but having the same structure as the 10th strut, and the 10th auxiliary gusset Assembled, a plurality of 30th struts assembled downward on the opposite side where the main gusset is disposed and having the same structure as the first and second struts, and each of the 30th struts Assembled on the opposite side to which each of the 30th struts is assembled with the 10th auxiliary gusset However, it is assembled between a 40th strut having the same structure as the 10th auxiliary gusset and another 20th auxiliary gusset adjacent to the 20th auxiliary gusset, but having the same structure as the 10th, 20th, and 30th struts A plurality of shoes assembled to the n-th auxiliary gusset at the end of the dome structure in a radial manner by the 40th strut, the 10th strut, the 10th auxiliary gusset, the 30th strut, the 20th auxiliary gusset, and the 40th strut, The plurality of shoe bases assembled with the plurality of shoes and assembled with the upper part of the building covered by the dome structure, and the ends are formed to be bent to cover the 10th space formed in the dome structure skeleton, and the tenth protrusion and the twelfth protrusion A first dome cover disposed between, and a first dome cover having an end bent to cover a 10th space formed in the dome structure skeleton and disposed between the tenth and twelfth projections, and the dome structure skeleton A second dome cover formed so that the end is bent to cover the 10th space formed in and disposed between the 11th protrusion and the 13th protrusion, and the structure and the strut between the shoe base and the assembled shoe. 20, a side cover having a bent end to cover the space, a baton having a 14th hole formed on the top of the first and second dome covers or stacked on the top of the side covers and being bolted together, and the first and second dome covers and the baton. It consists of a gasket that makes the baton waterproof between or side cover and a bolt passing through the 14th hole formed in the baton and coupled between the twelfth protrusion and the thirteenth protrusion formed on the first strut, wherein the plurality of first , 2 dome cover, a plurality of batons, a plurality of gaskets, and a plurality of bolts to cover all of the 10th space formed in plurality, a plurality of side covers, a plurality of batons, a plurality of gaskets, and a plurality of bolts It is configured to cover all of the plurality of twentieth spaces.

As such, the prior art has a problem in that the work is complicated and takes a long time to assemble because the place required for assembly is very wide and the configuration for assembling is very diverse.

In addition, since the prior art cannot inspect defects for odor and water leakage after assembly is completed, it takes a long time to find the place where the defect occurs, and it is very complicated to repair the assembled part when the defect occurs. There was a problem that took a long time.

In addition, there is a sealing technology to prevent odors from leaking out of places such as sewage treatment plants. Representatively, Korean Patent Registration No. 10-1353279 cover assembly for sewage treatment plants has an outward flange formed while covering the sewage treatment plant waterway. A plurality of female cover members, a plurality of male cover members having an inward flange disposed between the plurality of female cover members while covering the waterway and placed on an upper part of the outward flange, and a plurality of female cover members and the plurality of female cover members A first support member fixed along the wall surface of the sewage treatment plant structure to support the water cover member, and a first wing coupled to the first support member are configured and combined with the plurality of arm cover members or each of the plurality of cover members The second wing is configured, and as the rotation shaft driven by rotation of the first wing and the second wing is configured, a plurality of connections that open opposite sides of the plurality of female / male cover members coupled to the second wing by rotation member, and a second support member disposed to face the first support member with the waterway and supporting the plurality of female/male cover members on the opposite side where each of the plurality of female/male cover members is coupled to the plurality of connecting members. It is done.

As such, in the case of covering the entire large-scale place such as a sewage treatment plant, the conventional technology has a problem in constructing a cover due to a structural problem, and also has a problem in stability, so an assembly that covers only a portion of the sewage treatment plant with water. Since it consists of only some water during the construction of the cover assembly for the sewage treatment plant, it does not completely block the problem of pollutants such as leaks, fallout due to leaks, yellow dust, etc. flowing into the inside and the emission of odors or toxic gases to the outside. There was a problem I couldn't.

Therefore, the present invention has been made to solve the above-mentioned problems, the members including the cover plate are produced as finished products in the factory, can be easily assembled on site, and after installation, leakage and / or contaminant inflow, etc. are stable. By blocking external leakage of odor and/or toxic gas reliably, it is possible to prevent pollution of the surrounding environment, improve living conditions, and provide a plate assembly type cover structure with high economic feasibility by dramatically reducing installation costs. is to do

According to one aspect of the present invention, there is provided a plate assembly type cover structure for preventing foreign substances from flowing in from the outside or gas or contaminants from leaking to the outside, and the plate assembly type cover structure comprises neighboring upper frames. A frame structure in which square pipes are coupled along a predetermined direction, and a plurality of openings are formed along a predetermined direction; It is coupled to the frame structure to block each of the openings, and each includes an upper plate portion and a pair of lower protruding wings formed parallel to a lower surface of the upper plate portion, and the pair of lower protruding wings are each of the openings. A plurality of cover plates inserted to face the inner wall surfaces facing each other; and a fixing means for airtightly fixing each of the plurality of cover plates to the frame structure.

The fixing means is disposed to cover the gap between adjacent cover plates and has a pair of lower protrusions on both sides of the lower portion, the pair of lower protrusions being disposed to face the upper surfaces of the upper plates of the neighboring cover plates. A fixing bar and a pair of airtight gaskets assembled to the gasket grooves formed in each of the pair of lower protrusions and airtightly adhered to the upper surfaces of the upper plates of the neighboring cover plates, and passing through the fixing bar to the upper frame. It includes a plurality of fixed fasteners to be fastened.

The cover plate is formed of SMC (Sheet Molding Compound), Al, an alloy containing the same, or a plastic material, and the upper frame has an arch shape, and both ends are connected to both ends of a lower frame having a straight shape or an arch shape. In order to install the square pipes between adjacent upper frames, fixing brackets including a rectangular groove into which the lower portion of each of the square pipes is inserted are coupled to the inner surface of the upper frame, and each of the fixing brackets With both lower portions of each of the square pipes inserted into the square groove provided therein, each of the square pipes is connected between neighboring upper frames by bolts that pass through holes formed in the sidewalls of each of the fixing brackets and are fastened. It is fixed.

The plate assembly-type cover structure according to the present invention produces members including a cover plate as a finished product in a factory, can be easily assembled on site, and after installation can stably block leaks and / or contaminant inflow, etc., and odor And / or by reliably blocking the external leakage of toxic gas, it has the advantage of improving the living environment by preventing environmental pollution. In addition, according to the present invention, the installation cost of the structure is drastically reduced, and has the advantage of high economic feasibility.

In addition, the present invention has the effect of relatively shortening the period required for assembly while forming a very simple and robust prefabricated structure, and since the completed prefabricated structure is integrally installed, durability is increased and leakage and contaminant inflow are blocked. It is safe from external leakage of odor gas and odor gas, has the effect of minimizing the defect rate of on-site assembly, and has the effect of quickly constructing the entire upper part of a large-scale prefabricated structure with simple work in a relatively short time. Since it is remarkably lower than that of air, the closed space is relatively narrow, so the odor collection is effective and the blocking effect is very high and the economic effect is excellent.

1 is a perspective view for explaining a plate cover structure according to an embodiment of the present invention,
Figure 2 is a view showing a truss composed of an upper frame, a lower frame and a reinforcing frame of the frame structure of the plate assembled cover structure shown in Figure 1,
Figure 3 is a view for explaining the structure of the cover plate of the plate assembled cover structure shown in Figure 1,
4 is an exploded perspective view for explaining a state in which a cover plate is assembled to an opening provided in a frame structure;
5 is a view for explaining a fixing bracket for fixing a square pipe and a square pipe coupled between upper frames to form a frame structure;
6 and 7 are cross-sectional views for explaining the first and second fixing means of the plate assembly type cover structure shown in FIG. 1,
8 to 11 are views for explaining a plate assembly type cover structure having a dome shape according to another embodiment of the present invention.

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

As shown in Figures 1 to 7, the plate assembly type cover structure according to an embodiment of the present invention is installed in a wastewater treatment plant, a sewage treatment plant or a water purification plant, such as fallout, yellow dust, pollutants, In addition, it is applied to prevent foreign substances such as fallout from entering the inside and to prevent external leakage such as odor and toxic gas, including a plurality of trusses (A) arranged at regular intervals in front and back, but neighboring Square pipes 14 having a rectangular cross-section are coupled at regular intervals between the upper frames 11 and 11 of the two trusses A and A to form a plurality of lattice-shaped openings B along one direction. A pair of lower protrusions coupled to the frame structure 10 to block the structure 10 and the opening B, respectively, formed in parallel to the upper plate 21 and the lower surface of the upper plate 21 in left and right directions. A plurality of cover plates 20 including wings 22, the pair of lower protruding wings 22 being inserted so as to face two facing inner wall surfaces of the corresponding opening B, and the plurality of cover plates It includes fixing means (30A, 30B) for fixing (20) to the frame structure (10). More specifically, the pair of lower protruding wings 22 are inserted so as to face the inner surfaces of the two square pipes 14 and 14 constituting the two sides of the corresponding opening B having a square shape.

Each of the plurality of cover plates 20 may be formed of a metal material such as Sheet Molding Compound (SMC), Al or an alloy containing the same, or a plastic material such as polycarbonate.

As mentioned above, the cover plate 20 includes a rectangular upper plate portion 21 and a pair of lower protruding wings 22 formed parallel to the lower surface of the upper plate portion 21 in left and right directions and protruding downward. include In addition, since the front end or the rear end of the lower protruding wing 22 is spaced apart from the front end or the rear end of the upper plate portion 21 at a predetermined interval, the upper plate portion 21 includes the front side of the lower protruding wing 22. A pair of front/rear wings C extending forward or backward based on the end or the rear end is formed. In addition, since each of the pair of lower protruding wings 22 is formed spaced apart from the left end or right end of the upper plate portion 21 by a predetermined distance, the upper plate portion 21 has a left side relative to the lower protruding wing 22. Alternatively, a side wing D extending to the right is formed. Thus, the cover plate 20 is formed to have a "ㅠ" shaped cross section.

As mentioned above, the frame structure 10 includes a plurality of trusses A arranged in front and rear. Each of the plurality of trusses A includes an upper frame 11 formed in an arch shape and a lower frame 12 positioned below the upper frame 11 and formed in a straight shape. In this embodiment, the lower frame 12 is a straight frame connected to both sides of the upper frame 11 having an arcuate shape, but the lower frame 12 may also be an arcuate frame.

In a state in which the left and right sides of the upper frame 11 are coupled to the left and right sides of the lower frame 12, the upper frame 11 forms an arch shape, and the lower frame 12 forms an arch shape or a straight line shape. can achieve In addition, reinforcing frames 12, each of which is an inclined member, connect between the upper frame 11 and the lower frame 12.

At this time, if it is structurally stable that the left and right sides of the upper frame 11 are coupled to different materials and structures rather than being coupled to the lower frame 12, coupling to other materials and structures may also be considered.

The reason why the upper frame 11 is formed in an arch shape and a plurality of reinforcing frames that are inclined materials are provided to form a plurality of flesh to support the upper frame 11 is that when the width of the sewage treatment plant to be constructed is large, the lower frame 12 ) If only the upper frame 11 is configured without it, since the central part of the upper frame 11 sags downward, a lower frame 12 is formed to maintain structural stability, and a gap between the lower frame and the upper frame occurs. It is to form a large number of flesh.

In addition, for installation of the cover plate 20, square pipes 14 and fixing brackets 15 for fixing the square pipes 14 to the two inner surfaces facing each other of the upper frame 11 are provided. .

The fixing bracket 15 is configured to form a square groove into which the lower part of the square pipe 14 is inserted, including both side walls and a bottom surface. One end of the fixing bracket 15 is coupled to the inner surface of the upper frame 11 by, for example, welding. The other end of the fixing bracket 15 becomes a free end. In addition, a hole 152 into which a threaded portion of a bolt 16 is inserted is formed on both side walls of the fixing bracket 15 facing each other. The lower portions of both sides of the square pipe 14 are inserted into the square grooves provided in each of the fixing brackets 15 formed on the inner surface of the upper frame 11 of the adjacent trusses, and in this state, the side walls of the fixing brackets 15 The square pipe 14 can be firmly fixed between the upper frames 11 of the adjacent trusses A by the bolts 16 fastened through the holes 152 formed therein.

At this time, the upper part of the square pipe 14 is not covered by the fixing bracket 15, which means that the entire outer surface of the lower protruding wing 22 faces the inner surface of the square pipe 14 and forms a lattice-shaped opening (B). allows it to be inserted into

By the structure in which the lower protruding blades 22 are inserted into and assembled into each of the lattice-shaped openings B between the neighboring square pipes 14 installed at regular intervals between the neighboring trusses A and the trusses A. , The plurality of cover plates 20 may be assembled.

On the other hand, the fixing means includes a first fixing means (30A) and a second fixing means (30B). The first fixing means (30A) is disposed to cover the gap between the front and rear neighboring cover plates (20, 20), and has a pair of lower protrusions (312A, 312A) on both sides of the lower part over the entire length, , The pair of lower protrusions 312A and 312A are arranged to face the upper surfaces of the front and rear wings C and C of the upper plate 21 of the cover plate 20 adjacent to each other in the front and rear (31A). ), and the pair of lower protrusions 312A of the first fixing bar 31A are inserted into and assembled into the first gasket grooves formed in each of the long portions of the front/rear side of the upper plate 21 of the two neighboring cover plates 20. A pair of first airtight gaskets 32A and 32A airtightly adhered to the upper surface of the wing C, and a plurality of gaskets fastened to the upper frame 11 through the center of the first fixing bar 31A. It includes two first fixing fasteners 33A. At this time, each of the first gasket grooves is formed as a groove having a circular cross section with a lower part of which is opened toward the lower side, and the first gasket 32A for airtightness is an upper insertion protrusion 321A inserted into the circular cross-sectional groove. and a plate-shaped contact portion 322A integrally formed on the lower portion of the insertion protrusion 321A and adhered to the upper surface of the front/rear wings C of the upper plate 21 of the cover plate 20. At this time, it goes without saying that the first airtight gasket 32A is formed of a viscoelastic material such as rubber or silicon. At this time, the first fixing bar 31A preferably has an arch shape, and two rows of cover plates 20 and 20 are positioned on both sides of one first fixing bar 31A, and each row has a plurality of The cover plate 20 is arranged in an arch shape.

The second fixing means (30B) is disposed to cover the gap between the cover plates (20, 20) adjacent to the left and right B, and has a pair of lower protrusions (312B, 312B) on both sides of the lower end of the cross section, The pair of lower protrusions 312B and 312B are disposed to face the upper surfaces of the adjacent side wings D and D of the upper plate 21 of the cover plate 20 adjacent to the left and right, and the second fixing bar 31B and , The side wing of the upper plate portion 21 of the two neighboring cover plates 20 by being inserted into the second gasket groove formed long in each of the pair of lower protrusions 312B and 312B of the second fixing bar 31B ( D) a pair of second gaskets for airtightness (32B, 32B) tightly adhered to the upper surface and a plurality of pairs fastened to the square pipe (14) passing through the center of the second fixing bar (31B) It includes two second fixing fasteners 33B. At this time, each of the second gasket grooves is formed as a groove having a circular cross-section with a lower part of which is opened toward the lower side, and the second gasket 32B for airtightness is an upper insertion protrusion 321B inserted into the circular cross-sectional groove. and a plate-shaped contact portion 322B integrally formed at a lower portion of the insertion protrusion 321B and closely adhered to the upper surface of the side wing D of the upper plate portion 21 of the cover plate 20. At this time, it goes without saying that the second gasket 32B for airtightness is formed of a viscoelastic material such as rubber or silicon.

For example, the first fixing bar 31A and the first sealing gasket 32A coupled thereto and the second fixing bar 31B and the second sealing gasket 32B coupled thereto are rain or snow and rain. Or, it is to prevent problems such as preventing contaminants from penetrating into the inside through eyes or the like, or discharging odors to the outside.

As described above, the first or second gaskets 32A and 32B for maintaining airtightness are provided on both sides of the lower surface of the first or second fixing bars 31A and 31B, and the first or second fixing bars 31A and 31B ) is inserted and assembled along the entire length of the gasket groove.

The cover plate 20 is prefabricated of SMC (Sheet Molding Compound), Al, an alloy containing the same, or a polycarbonate material. As mentioned above, the upper plate part 21 and the lower part of the upper plate part 21 It includes a pair of lower protruding wings 22 that protrude and extend downward while being formed parallel to the left and right sides of the surface. At this time, the upper surface of the upper plate portion 21 may be formed flat, or alternatively, the upper surface of the upper plate portion 21 may be formed convexly protruding upward in a dome shape. Furthermore, by forming the shape of the upper surface of the upper plate portion 21 in various other shapes, it can be structurally stable and sealed to prevent leaks or to shield odors from erupting.

The first fixing bar 31A, in which first airtight gaskets 32A are assembled on both sides of the lower portion, is in close contact with the upper surfaces of the front and rear edge portions of the upper plate portion 21 of the cover plate 20 adjacent to each other in the front and rear. In this state, the first fixing fastener 33A, preferably made of a bolt, can be forcibly coupled by being fastened to the upper frame 11 through the center.

In addition, the second fixing bar 31A (which has the second airtight gasket 32B assembled on both sides of the lower side) is the upper surface of the left and right edge portions of the upper plate portion 21 of the cover plate 20 adjacent to each other on the left and right sides. In a state of close contact with the second fixing fastener 33B, preferably, the second fixing fastener 33B made of bolts can be forcibly coupled by being fastened to the square pipe 14 through the center. .

Holes into which the first fixing fasteners 33A are inserted for fastening are formed in a row at the center of the upper surface of the first fixing bar 31A, and at the center of the upper surface of the second fixing bar 31B, the first fixing fastener 33A is formed in a row. Holes into which the two fixing fasteners 33B are inserted for fastening are formed in a row.

8 to 11 are views for explaining a plate assembly structure having a dome shape according to another embodiment of the present invention.

As shown in FIGS. 8 to 11, the plate assembly structure of this embodiment has a dome shape, and is different from the previous embodiment in terms of shape, but in terms of use, in places such as wastewater treatment plants, sewage treatment plants, or water purification plants. In that it is installed, it is applied to prevent foreign substances such as fallout, yellow dust, pollutants, and other fallout from flowing into the interior due to water leakage, and to prevent external leakage of odors and toxic gases, almost the same as

The plate assembly structure of the present embodiment having a dome shape has a central ring frame 17' and the same central axis as the central ring frame 17', but has a larger outer diameter than the central ring frame 17' and A lower ring frame 12' disposed below the central ring frame 17' and radially arranged at regular intervals along the center of the central ring frame 17', and both ends of the central ring frame 17' ) and a plurality of upper frames 11' connected to the lower ring frame 12', and a square pipe 14' having a rectangular cross section and having a shorter length toward the top between adjacent upper frames 11'. ) are combined to include a dome-shaped frame structure 10' in which a plurality of trapezoidal lattice-type openings B' having different sizes are formed along the arch trajectory.

In addition, the plate assembly structure of the present embodiment having the dome shape is coupled to the frame structure 10' so as to block each of the openings B', and the upper plate portion 21' each having a trapezoidal shape and the It includes a pair of lower protruding blades 22' and 22' formed in parallel to the left and right on the lower surface of the upper plate portion 21', and the pair of lower protruding wings 22' and 22' form a corresponding opening B' ) and a cover plate 20' inserted to face the two facing inner wall surfaces of the cover plate 20' and a fixing means 30' for fixing the cover plate 20' to the frame structure 10'.

A pair of lower protruding wings 22' have different lengths and are inserted so as to face the inner surfaces of the two square pipes 14' constituting the two sides of the corresponding opening B' having a trapezoidal shape. At this time, each of the upper frames 11' preferably has an arch shape.

Each of the plurality of cover plates 20' may be formed of a metal material such as SMC (Sheet Molding Compound), Al or an alloy including the same, or a plastic material such as polycarbonate.

As mentioned above, the cover plate 20' has a trapezoidal upper plate portion 21' and a pair of lower protruding wings 22 protruding downward while being formed parallel to the lower surface of the upper plate portion 21'. '). In addition, since both ends (front and rear ends) of the lower protruding wing 22' are spaced apart from both ends (front and rear ends) of the upper plate portion 21' at regular intervals, the top plate portion 21' ) is formed with a pair of front/rear wings extending forward or backward based on the end of the lower protruding wing 21'. In addition, since each of the pair of lower protruding wings 22' is spaced apart from the left or right end of the upper plate portion 21' by a predetermined distance, the lower protruding wings 22' are provided on the upper plate portion 21'. Based on , side wings extending to the left or right are formed. Thus, the cover plate 20' is formed to have a "ㅠ" shaped cross section.

The upper frame 010 has an arch shape in a state in which both ends are coupled to the central ring frame 17' and the lower ring frame 112', respectively.

In addition, for fixing the cover plate 20', the square pipes 14' and a fixing bracket for fixing the square pipes 14' to the two facing inner surfaces of the upper frame 11' ( 15') is provided.

The fixing bracket 15' includes both side walls and a bottom surface to form a square groove into which the lower part of the square pipe 14' is inserted. One end of the fixing bracket 15' is coupled to the side of the upper frame 11' by, for example, welding. The other end of the fixing bracket 15' becomes a free end. In addition, a hole into which a threaded portion of a bolt 16' is inserted is formed on both side walls of the fixing bracket 15' facing each other. The lower sides of both sides of the square pipe 14' are inserted into the square grooves provided in each of the fixing brackets 15' formed on the inner surface of the upper frame 11' adjacent to each other, and in this state, the fixing bracket 15' The square pipe 14' can be firmly fixed between the adjacent upper frames 11' and 11' by bolts 16' fastened through holes formed in the side walls of the ).

At this time, the upper part of the square pipe 14' is not covered by the fixing bracket 15', which means that the entire outer surface of the lower protrusion 22' faces the inner surface of the square pipe 14' and has a lattice shape. It allows it to be inserted into the opening B'.

By the structure in which the lower protruding wings 22' are inserted into and assembled into each of the trapezoidal openings B' formed by the upper frames 11' and the square pipes 14' installed across them, a plurality of Two cover plates 20' may be assembled.

On the other hand, the fixing means 30 'is disposed to cover the gap between the front and rear neighboring cover plates 20' and 20', and a pair of lower protrusions 312' and 312' on both sides of the lower end of the section A fixing bar 31' having a pair of lower protrusions 312' and 312' disposed to face the upper surfaces of the upper plates 21' and 21' of the cover plates 20' and 20' adjacent to each other in the front and rear And, the pair of lower protrusions 312' and 312' of the fixing bar 31' are assembled by being inserted into the gasket grooves formed long, so that the upper surfaces of the two neighboring cover plates 20' and 20' are hermetically sealed. A pair of airtight gaskets 32', 32' in close contact and a plurality of fixing fasteners fastened to the upper frame 11' or the square pipe 14' through the center of the fixing bar 31' (33'). At this time, each of the gasket grooves is formed as a groove having a circular cross section with a lower portion thereof open downward, and the gasket 32' for airtightness is inserted into the circular cross sectional groove, and the upper insertion protrusion 321' and the A plate-shaped contact portion 322' integrally formed under the insertion protrusion 321' and closely adhered to the upper surface of the upper plate portion 21' of the cover plate 20' is included. At this time, it goes without saying that the airtight gasket 322' is made of a viscoelastic material such as rubber or silicon.

The present invention described above discloses the best embodiments in the drawings and detailed description, and the specific terms used in the above are only used for the purpose of describing the present invention, limiting the meaning or scope of the present invention described in the claims. It is not used to limit

Therefore, various modifications and equivalent other embodiments may be made by those skilled in the art, and the true technical protection scope of the present invention should be determined by the technical spirit of the claims.

10................................................. ..frame structure
11................................................. ..upper frame
12................................................. ..lower frame
14................................................. ..square pipe
15................................................. ..fixed bracket
20................................................. ..cover plate
21................................................. ..top plate
22................................................ ..lower projecting wing
30A, 30B ................................. Fixing means
31A, 31B ................................. Fixing bar
32A, 32B................................. Confidentiality gasket
33A, 33B .................................. Fixed fasteners

Claims (3)

A plate assembly-type cover structure for preventing foreign substances from entering from the outside or leaking gas or contaminants to the outside,
A frame structure in which square pipes are coupled along a predetermined direction between adjacent upper frames to form a plurality of openings along a predetermined direction;
It is coupled to the frame structure to block each of the openings, and each includes an upper plate portion and a pair of lower protruding wings formed parallel to a lower surface of the upper plate portion, and the pair of lower protruding wings are each of the openings. A plurality of cover plates inserted to face the inner wall surfaces facing each other; and
Plate assembly type cover structure comprising a fixing means for airtightly fixing each of the plurality of cover plates to the frame structure. The method of claim 1, wherein the fixing means is disposed to cover a gap between adjacent cover plates and has a pair of lower protrusions on both sides of the lower portion, wherein the pair of lower protrusions are attached to upper plates of neighboring cover plates. A fixing bar disposed to face the upper surface, a pair of airtight gaskets assembled in gasket grooves formed in each of the pair of lower protrusions and airtightly adhered to the upper surfaces of the upper plates of the neighboring cover plates, and the fixing bar Plate assembly type cover structure, characterized in that it comprises a plurality of fixing fasteners fastened to the upper frame through. The method of claim 1, wherein the cover plate is formed of SMC (Sheet Molding Compound), Al, an alloy containing the same, or a plastic material, and the upper frame has an arch shape, but both ends have a straight or arch shape. Fixed brackets connected to both ends of the lower frame and including square grooves into which the lower portions of each of the square pipes are inserted are coupled to the inner surface of the upper frame in order to install the square pipes between neighboring upper frames, Each of the square pipes is connected to a neighbor by a bolt fastened through a hole formed in a side wall of each of the fixing brackets while lower portions of both sides of each of the square pipes are inserted into a rectangular groove provided in each of the fixing brackets. Plate assembly type cover structure, characterized in that fixed between the upper frames to do.

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