KR102287276B1 - Rooftop waterproof structre - Google Patents

Abstract

The present invention relates to a rooftop waterproof structure realized to provide a waterproof structure for preventing rainwater or the like infiltrating into an outer wall of a rooftop without additional installation of a waterproof layer. The rooftop waterproof structure comprises: two first assemblies installed over the floor surface of a rooftop to symmetrically face each other, and having an inclination angle with respect to the ground based on the center thereof sunken downwards; a second assembly formed on the rear end of the two first assemblies to be tightly installed on a rooftop guardrail wall; two third assemblies mounted on the upper side of the first assemblies to form a sealed space between the rooftop floor surface and the same; a fourth assembly installed on the front surface of the second assembly; a water receiver unit formed in a U-shape to be installed in a separation space between one first assembly and the other first assembly, and discharging rainwater transferred from the third assemblies to the outside; and a gap support unit separated and installed at regular intervals along the gap of the water receiver unit, and supporting the gap between one first assembly and the other first assembly.

Description

Roof waterproofing structure {ROOFTOP WATERPROOF STRUCTRE}

The present invention relates to a roof waterproofing structure, and more particularly, to a roof waterproofing structure implemented so as to provide a waterproofing structure for preventing rainwater from penetrating into an outer wall of a roof without a separate installation of a waterproofing layer.

In general, the waterproof construction method for forming an impermeable waterproofing layer, which is installed on the roof of a building, is the most representative coating film waterproofing and sheet waterproofing.

As an example of a conventional composite waterproofing method, an example of a composite waterproofing method using a waterproofing sheet in which a nonwoven sheet is integrally attached to the upper and lower surfaces of the waterproofing sheet and a coating waterproofing material can be given. According to this method, after applying a primer to the upper surface of the slab to be waterproofed, the waterproofing sheet is spread out to be spaced apart from each other by a predetermined distance, and a waterproofing film is applied to the gap between the waterproofing sheets and the upper surface of the waterproofing sheet. will form

On the other hand, as another conventional composite waterproofing method, there is a waterproofing method using a breathable nonwoven sheet and a waterproofing film. In this waterproofing method, the breathable nonwoven sheets to which the double-sided tape is attached are attached to the bottom surface of the breathable nonwoven sheet by a predetermined interval while being placed on the upper surface of the slab so that the joint is in contact with each other. Then, a waterproofing layer is formed by placing a fixing hardware on the upper surface of the joint of the breathable nonwoven sheet and fixing it on the top surface of the slab by an anchor, and then applying a waterproofing film to the upper surface of the breathable nonwoven sheet and the upper surface of the fixing hardware.

In the case of the existing roof waterproofing structure, it is impossible to ventilate due to the clogged structure, so it causes the problem of mold growth and condensation due to moisture. As a result, it slows down the drying of the drainage channel, which is not only bad for hygiene, but also has a structural limitation in that the drainage capacity of the drainage canal is reduced.

On the other hand, the above-mentioned background art is technical information that the inventor possessed for the derivation of the present invention or acquired in the process of derivation of the present invention, and it cannot be said that it is necessarily a known technique disclosed to the general public before the filing of the present invention. .

Korean Patent Publication No. 10-2020-0112176 Korean Patent No. 10-1558458

One aspect of the present invention provides a roof waterproof structure implemented so as to provide a waterproof structure for preventing rainwater from penetrating into the outer wall of the roof without separately installing a waterproof layer.

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

" 형태로 형성되어 일 제1 어셈블리와 다른 일 제1 어셈블리 사이의 이격 공간에 설치되며, 상기 제3 어셈블리로부터 전달되는 빗물을 외부로 배출시키는 물받이부; 및 상기 물받이부 사이를 따라 일정한 간격으로 이격되어 설치되며, 일 제1 어셈블리와 다른 일 제1 어셈블리 사이의 간격을 지지하는 간격 지지부;를 포함할 수 있다.The roof waterproofing structure according to an embodiment of the present invention includes two first assemblies that are installed to face each other so as to be symmetrical on a roof floor surface, and have an inclination angle with respect to the ground with respect to a center turned off downward; a second assembly formed at each rear end of the two first assemblies and installed in close contact with the roof railing wall; two third assemblies seated on the upper side of the first assembly to form a sealed space between the roof floor surface and the second assembly; a fourth assembly installed on the front surface of the second assembly; "

A drip tray part formed in the shape of a ", installed in a space between the first assembly and another first assembly, and discharging the rainwater transmitted from the third assembly to the outside; and spaced apart at regular intervals along the drip tray part and is installed, and a gap support part for supporting a gap between one first assembly and another first assembly; may include.

In one embodiment, the first assembly, the first frame extending in the left and right width direction, installed on the roof floor surface; a second frame extending in the vertical direction and installed on the first frame; a third frame extending in the front-rear longitudinal direction and installed on the second frame so as to be inclined downward toward another first assembly direction; and a fourth frame extending in the left and right width directions and installed on the upper side of the third frame so that the third assembly can be seated on the upper side.

" 형태로 상측 방향으로 절곡 형성되는 절곡부가 일정한 간격을 두고 다수 개가 형성될 수 있다.In one embodiment, the first frame is "

A plurality of bent portions bent in the upward direction in the shape of a may be formed at regular intervals.

In one embodiment, the bent portion, a frame support for buffering vibration or shock transmitted from the roof floor surface may be seated in a space spaced apart from the roof floor surface.

In one embodiment, the frame support portion, the upper support for supporting the upper side of the bent portion; a lower support seated on the roof floor surface and the upper support seated on the upper side; a first conveyor-type support seated on the inner front end of the lower support so that the lower side is exposed to the lower side of the lower support to support the lower support; and a second conveyor-type support that is formed in a symmetrical structure in the front-rear direction with the first conveyor-type support and is seated at the inner rear end of the lower support so that the lower side is exposed to the lower side of the lower support to support the lower support; can do.

In one embodiment, the upper support, the support plate is formed in the form of a flat plate to support the upper side of the bent portion; a plurality of lower grooves spaced apart from each other on the lower side of the support plate; a gap support elastic body installed in each of the lower grooves to be supported between the support plate and the lower support by using an elastic force and seated on the upper side of the lower support; a first braking frame extending downward from the lower side of the support plate, the lower rear end extending downward than the lower front end, the lower side forming an inclined surface; and a lower front end extending downward from a lower side of the support plate spaced apart from the first braking frame in a rear end, and a lower front end extending downward more than a lower rear end so as to form a symmetrical structure in the front-rear direction with the first braking frame. and a second braking frame whose lower surface forms an inclined surface.

In one embodiment, the lower support, a support body formed in a hexahedral box shape so that the support plate can be seated on the upper side; a first vertical through-groove that penetrates the support body in a vertical direction so that the first braking frame can be inserted; a second vertical through hole penetrating the support body in a vertical direction so that the second braking frame can be inserted; a first installation space formed at the inner front end of the support body so that the first conveyor-type supporter can be installed; and a second installation space formed at an inner rear end of the support body to form a symmetrical structure in the front-rear direction with the first installation space so that the second conveyor-type support can be installed.

In an embodiment, the first installation space may be formed in a triangular shape in which the vertical height decreases from the front end to the rear end.

In one embodiment, the first conveyor-type support, a first sprocket installed on the front end of the first installation space; a second sprocket installed below the front end of the first installation space; a third sprocket installed below the rear end of the first installation space; The first sprocket, the second sprocket, and the second sprocket are interlocked and installed along the second sprocket, and the lower side supported by the second sprocket and the second sprocket is exposed to the lower side of the support body to support the support body, , a driving belt rotated by a tactile force with the roof floor surface as the support body moves in the front-rear direction by an external force; The first braking frame is spaced downward from the lower surface of the first braking frame with the drive belt interposed therebetween to form an inclination angle corresponding to the lower inclined surface of the first braking frame and is fixedly installed in the first installation space, the first braking frame a braking plate which is in close contact with the first braking frame with the driving belt interposed therebetween to brake the rotation of the driving belt when it descends; and a braking spring installed between a front end of the drive belt and an upper surface of the front end of the first installation space so that rotation of the drive belt can be elastically supported.

In an embodiment, the gap support part is disposed in a space between the first assembly and the other first assembly, and the first partition wall, the second partition wall, and the third partition wall are installed to be spaced apart from each other in the inner space in the front-rear direction. a box-shaped case partitioned into a first space, a second space, a third space, and a fourth space by a partition wall; It is formed by being bent upwardly in a "∩" shape to support the first assembly, and the lower front end is inserted into the box-shaped case through a first opening formed on the upper side of the first space to be inserted into the first space a first support part that is seated on the and installed so that the lower rear end is rotatably connected to the upper side of the box-shaped case; It is formed by being bent downwardly in a "∪" shape to support the other first assembly, and the upper end of the front end is inserted into the inside of the box-shaped case through a second opening formed at the lower side of the second space and the second a second support part seated in the space and connected so that the rear end upper side is rotatably connected to the lower side of the box-shaped case; It is formed by being bent upwardly in a "∩" shape to support the first assembly, and the lower end of the front end is inserted into the box-shaped case through a third opening formed on the upper side of the third space to be inserted into the third space. a third support part that is seated on the and connected so that the lower rear end is rotatably connected to the upper side of the box-shaped case; and the first partition wall, the second partition wall, and the third partition wall supported by the third partition wall and passing through the box-shaped case in the front-rear direction, each front end of the first support part, the second support part, and the third support part A spacing adjusting bolt that is fastened and moves each front end of the first support part, the second support part, and the third support part in the rear end direction while moving in the rear end direction in the box-shaped case as it rotates in a clockwise or counterclockwise direction ; may be included.

In one embodiment, the first support part, the lower front end is moved in the rear end direction by the spacing adjusting bolt, the vertical height may be increased as the distance from the rear end is reduced.

In one embodiment, the spacing adjusting bolt is installed while passing through the box-shaped case in the front-rear direction, the first partition wall, the second partition wall, and the third partition wall is engaged with a screw thread formed on the inner peripheral surface of the through hole formed in the connection a bolt body forming a thread along the outer surface to be installed; A pair of first fixed disks installed to be spaced apart from each other in the bolt body with the front end of the first support therebetween so that the front end of the first support can be moved forward or backward as the bolt body moves forward or backward; A pair of second fixed disks installed to be spaced apart from each other in the bolt body with the front end of the second support therebetween so that the front end of the second support can be moved forward or backward as the bolt body moves forward or backward; and a pair of third fixed disks installed to be spaced apart from each other in the bolt body with the front end of the third support therebetween so that the front end of the third support can be moved forward or backward as the bolt body moves forward or backward. may include.

In one embodiment, the roof waterproofing structure according to another embodiment of the present invention includes an opening formed in the third assembly to open and close a sealed space formed between the third assembly and the roof floor surface. It is formed in a shape corresponding to the shape, the front end is rotatably connected to the front end of the first assembly, and the rear end is installed above the rear end of the first assembly so as to form the same inclined surface as the inclined surface of the third assembly It may further include; a door unit that is seated and supported on the upper side of the unit support.

In one embodiment, the door unit is configured to be fastened to the first fastening jaw of the "B" shape formed by bending the front ends formed on one side and the other side of the opening formed in the third assembly in a right-angled direction to the upper side. A second fastening jaw in the form of "a" in which the front end is bent in a direction perpendicular to the lower side may be formed on one side and the other side.

In one embodiment, the unit support, the support plate is formed in the form of a flat plate on which the rear end of the door unit is seated; a lower plate formed in a hexahedral box shape and installed on the upper side of the rear end of the first assembly, the lower plate being spaced downward from the support plate; and a pivoting type that is connected between the support plate and the lower plate and buffers vibrations or shocks transmitted from the support plate while rotating the support plate in the front-rear direction by the door unit seated on the upper side of the support plate. It may include a buffer;

In one embodiment, the rotation-type buffer part is formed in the form of a "U"-shaped arch that is rounded to the lower side, and the upper front end and the rear end are fixedly installed on the lower side of the support plate to support the support plate, and the lower side is a first arcuate support seated on the upper side of the lower plate, the lower side being rolled along the upper side of the lower plate by the door unit seated on the upper side of the supporting plate, and moving in the front end or rear end direction; a second arcuate support that is formed in an arc shape of a "∩" shape that is rounded upwards, the lower front end and the rear end are respectively inserted into and seated in the lower plate; The second arcuate support is formed in the shape of an "∩"-shaped arch that is rounded upward in a shape corresponding to the shape of the arcuate support, and is spaced apart from the second arcuate support with the first arcuate support interposed therebetween so that the lower front end and the rear end are a third arcuate support that is inserted and seated inside the lower plate, respectively; and extending from the upper side of the upwardly rounded arcuate space formed by the second arcuate support to the upper side of the upwardly rounded arcuate space formed by the third arcuate support, downwardly formed by the first arcuate support It may include a; support connecting link that is seated while pressing the lower side of the round arcuate space in the downward direction.

In an embodiment, the lower plate may have an end seating space formed therein so that the lower front and rear ends of the second arcuate support and the lower front and rear ends of the third arcuate support can be seated, respectively.

In one embodiment, the end seating space has a circular cross section corresponding to the shape of the circular plate so that the circular plate in the shape of a disc formed at the ends of the second arcuate support and the third arcuate support can be seated. can be

In one embodiment, the upper and lower sides of the circular plate may be respectively supported by a plurality of upper support elastic bodies installed along the upper surface and lower support elastic bodies installed on the lower side in a state disposed in the center of the end seating space. there is.

In one embodiment, the support connecting link may include: a first fixing block fixedly installed on an upper side of an upwardly rounded arcuate space formed by the second arcuate support; a second fixing block facing the first fixing block and being fixedly installed on an upper side of an upwardly rounded arcuate space formed by the third arcuate support; And the first fixing block and the second fixing block is seated in the lower side of the circular arcuate space formed by the first arcuate support corresponding to the spaced apart space, the first fastening pin formed on one side is the first 1 is rotatably connected to the fixed block, and a second fastening pin formed on the other side is rotatably connected to the first fixed block, and the first arcuate support is provided along the upper surface of the support plate by the front end or and a sliding block for moving the first fixed block and the second fixed block in the front end or rear end direction while moving in the front end or rear end direction as it rolls and moves in the rear end direction.

In one embodiment, the sliding block is seated in a guide groove extending in the front-rear direction along the inner circumferential surface of the first arcuate support to slide in the front-rear direction along the guide groove on the inner circumferential surface of the first arcuate support. A guide protrusion is formed to extend in the front-rear direction along the round lower side that is formed in close contact, and a plurality of rollers are spaced apart from each other at regular intervals in the front-rear direction along one side and the other side of the lower side with the guide protrusion therebetween. can be connected and installed.

According to one aspect of the present invention described above, by providing a waterproof structure for preventing rainwater from penetrating into the outer wall of the roof without separate installation of a waterproofing layer, the need for repair over time is offset, so that leakage can be prevented in an economical way Since the space for the insulation layer can be provided widely on the roof, it is possible to provide the insulation effect of the uppermost floor by blocking cold air in winter and hot heat in summer for the uppermost floor of the building.

In addition, according to one aspect of the present invention described above, by buffering vibrations or shocks transmitted to the building through the waterproof structure or transmitted from the building to the waterproof structure according to the present invention, the earthquake-resistant function of the waterproof structure is improved. effect can be provided.

The effects of the present invention are not limited to the above-mentioned effects, and various effects may be included within the range apparent to those skilled in the art from the description below.

1 is a view showing a schematic configuration of a roof waterproof structure according to an embodiment of the present invention.
FIG. 2 is a view showing a support structure of the drip tray of FIG. 1 .
FIG. 3 is a view showing the first assembly of FIG. 1 ;
4 and 5 are views illustrating an embodiment of the frame support of FIG. 3 .
6 is a view showing a connection relationship between the upper support and the anatomical support of FIG. 4 .
FIG. 7 is a view showing the first conveyor-type support of FIG. 4 .
FIG. 8 is a view showing an embodiment of the gap support of FIG. 2 .
9 is a cross-sectional view of the gap support of FIG. 8 .
FIG. 10 is a view showing the spacing adjusting bolts of FIG. 9 .
11 is a view for explaining the adjustment of the support structure of the first support of FIG. 8 .
FIG. 12 is a view for explaining the adjustment of the support height of the gap support of FIG. 8 .
13 to 15 are diagrams schematically showing the construction of a roof waterproof structure according to another embodiment of the present invention.
FIG. 16 is a view showing an embodiment of the unit support of FIG. 15 .
FIG. 17 is a view showing the lower plate of FIG. 16 .
FIG. 18 is a view showing the support connecting link of FIG. 16 .
19 to 21 are views showing the sliding block of FIG. 18 .

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS [0010] DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS [0010] DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS [0023] Reference is made to the accompanying drawings, which show by way of illustration specific embodiments in which the present invention may be practiced. These embodiments are described in sufficient detail to enable those skilled in the art to practice the present invention. It should be understood that the various embodiments of the present invention are different but need not be mutually exclusive. For example, certain shapes, structures, and characteristics described herein with respect to one embodiment may be implemented in other embodiments without departing from the spirit and scope of the invention. In addition, it should be understood that the location or arrangement of individual components within each disclosed embodiment may be changed without departing from the spirit and scope of the present invention. Accordingly, the detailed description set forth below is not intended to be taken in a limiting sense, and the scope of the invention, if properly described, is limited only by the appended claims, along with all scope equivalents to those claimed. Like reference numerals in the drawings refer to the same or similar functions throughout the various aspects.

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

1 is a view showing a schematic configuration of a roof waterproof structure according to an embodiment of the present invention.

Referring to FIG. 1 , a roof waterproofing structure 1 according to an embodiment of the present invention includes two first assemblies 10-1 and 10-2, a second assembly 20, and two third assemblies ( 30-1 and 30-2), a fourth assembly 40, a water receiving portion 50, and a gap support portion 60 are included.

The first assemblies 10-1 and 10-2 are installed to face each other so as to be symmetrical on the roof floor surface 100, and are formed to have an inclination angle with respect to the ground based on the centrally turned off downwards, and the third assembly on the upper side (30-1, 30-2) are seated, respectively, the second assembly 20 is formed at the rear end of each.

The second assembly 20 is formed at each rear end of the two first assemblies 10-1 and 10-2 and is installed in close contact with the roof railing wall 200, and the fourth assembly 40 is installed on the front side. is finished

The third assembly (30-1, 30-2) is seated on the upper side of the two first assemblies (10-1, 10-2) to form a sealed space between the roof floor surface (100), A drip tray 50 is installed in the space between the front ends of each assembly.

The fourth assembly 40 is installed on the front surface of the second assembly 20 .

" 형태로 형성되어 일 제1 어셈블리(10-1, 10-2)와 다른 일 제1 어셈블리(10-1, 10-2) 사이의 이격 공간에 설치되며, 제3 어셈블리(30-1, 30-2)로부터 전달되는 빗물을 외부로 배출시키며, 상측에 커버(B)이 설치되어 내부 공간이 밀폐된다.The drip tray 50 is, "

It is formed in a "shape and is installed in a space between one first assembly 10-1, 10-2 and another first assembly 10-1, 10-2, and the third assembly 30-1, 30 The rainwater delivered from -2) is discharged to the outside, and the cover (B) is installed on the upper side to seal the inner space.

The gap support part 60 is installed to be spaced apart at regular intervals along between the drip tray parts 50, and as shown in FIG. 2, one first assembly 10-1, 10-2 and another first assembly (10-1, 10-2) Support the gap between 10-1 and 10-2).

The roof waterproofing structure 1 according to an embodiment of the present invention having the configuration as described above provides a waterproofing structure for preventing rainwater from penetrating into the outer wall of the roof without a separate installation of a waterproofing layer. Since the need for repair is offset, it is possible to prevent leakage in an economical way and to provide a wide space for the insulation layer on the roof. effect can be provided.

FIG. 3 is a view showing the first assembly of FIG. 1 ;

Referring to FIG. 3 , the first assemblies 10-1 and 10-2 include a first frame 11, a second frame 12, a third frame 13 (see FIG. 1), and a fourth frame (see FIG. 1). 14) (see FIG. 1).

The first frame 11 is formed to extend in the left and right width direction, is installed to be seated on the roof floor surface 100, and is installed such that the second frame 12 is at a right angle at regular intervals.

The second frame 12 is formed to extend in the vertical direction, and is installed on the first frame 11 to support the third frame 13 seated on the upper side.

The third frame 13 is formed to extend in the front and rear longitudinal direction, is installed on the second frame 12 so as to be inclined downward toward the other first assemblies 10-1 and 10-2, and is formed along the upper side. The fourth frame 14 is installed at regular intervals.

The fourth frame 14 is formed to extend in the left and right width directions, and is installed at regular intervals along the upper side of the third frame 13 so that the third assemblies 30-1 and 30-2 can be seated on the upper side. .

" 형태로 상측 방향으로 절곡 형성되는 절곡부(15)가 일정한 간격을 두고 다수 개가 형성될 수 있다.In one embodiment, the first frame 11 is "

A plurality of bent portions 15 formed by bending upward in the shape of "can be formed at regular intervals.

In one embodiment, the bent part 15 is a frame support part 300 for buffering vibration or shock transmitted from the roof floor surface 100 is seated in each space 15a separated from the roof floor surface 100 . can be

The first assemblies 10-1 and 10-2 having the configuration as described above stably support the third assemblies 30-1 and 30-2 to form the roof floor surface 100 and the third assembly 30 -1, 30-2) can form a basis for forming a waterproof structure by forming a space between them, and vibration transmitted to the roof floor surface 100 through the third assemblies 30-1 and 30-2 Alternatively, the earthquake resistance function of the structure is improved by damping the shock or vibration or shock transmitted to the third assembly 30-1 and 30-2 through the roof bottom surface 100 using the frame support part 300 to be described later. This can improve structural stability.

4 and 5 are views illustrating an embodiment of the frame support of FIG. 3 .

4 and 5 , the frame support 300 according to an embodiment includes an upper support 310 , a lower support 320 , a first conveyor-type support 330 , and a second conveyor-type support 340 . includes

The upper support 310 is installed on the upper side of the lower support 320 to support the upper side of the bent part 15 .

The lower support 320 is seated on the roof floor surface 100, the upper support 310 is seated on the upper side, the first conveyor type support 330 is installed at the lower front end, and the second conveyor type at the lower rear end. A support 340 is installed.

The first conveyor-type support 330 is formed in a symmetrical structure in the front-rear direction with the second conveyor-type support 340 , and is seated on the inner front end of the lower support 320 so that the lower side is exposed to the lower side of the lower support 320 . to support the lower support 320 .

The second conveyor-type supporter 340 is formed in a symmetrical structure in the front-rear direction with the first conveyor-type supporter 330 , and is seated at the inner rear end of the lower supporter 320 so that the lower side is exposed to the lower side of the lower supporter 320 . to support the lower support 320 .

The frame support unit 300 according to an embodiment having the above-described configuration includes a vertical or horizontal vibration or impact generated between the roof bottom surface 100 and the third assemblies 30-1 and 30-2. By buffering the back, it is possible to improve the seismic function of the waterproof structure according to the present invention.

6 is a view showing a connection relationship between the upper support and the anatomical support of FIG. 4 .

Referring to FIG. 6 , the upper support 310 includes a support plate 311 , a lower groove 312 , a gap support elastic body 313 , a first braking frame 314 , and a second braking frame 315 . .

The support plate 311 is formed in the form of a flat plate to support the upper side of the bent portion 15, and the lower support 320 by the gap support elastic body 313 installed for each lower groove 312 formed along the lower side. It is installed spaced apart from the top.

A plurality of lower grooves 312 are formed on the lower side of the support plate 311 to be spaced apart from each other so that the upper portion of the gap support elastic body 313 can be seated.

The gap support elastic body 313 is installed in each of the lower grooves 312 to support the space between the support plate 311 and the lower support 320 by using an elastic force and is seated on the upper side of the lower support 320 .

The first braking frame 314 is formed to extend downwardly from the lower side of the support plate 311 , and a lower rear end is formed to extend further downward than a lower front end, and a lower surface thereof forms an inclined surface 3141 .

The second braking frame 315 is formed to extend downwardly from the lower side of the support plate 311 spaced from the first braking frame 314 to the rear end, and has a symmetrical structure in the front-rear direction with the first braking frame 314 . The lower front end is formed to extend further downward than the lower rear end so that the lower side forms the inclined surface 3151 .

In addition, the lower support 320 includes a support body 321 , a first upper and lower through hole 322 , a second upper and lower through hole 323 , a first installation space 324 , and a second installation space 325 . do.

The support body 321 is formed in a hexahedral box shape so that the support plate 311 can be seated on the upper side, and a first conveyor type support installed in the first installation space 324 and the second installation space 325 ( 330) and the second conveyor type support 340 is supported.

The first upper and lower through-groove 322 is formed to penetrate the support body 321 in the vertical direction so that the first braking frame 314 can be inserted thereinto.

The second upper and lower through-holes 323 are formed to penetrate the support body 321 in the vertical direction so that the second braking frame 315 can be inserted thereinto.

The first installation space 324 is formed at the inner front end of the support body 321 in a shape corresponding to the shape of the first conveyor-type support 330 so that the first conveyor-type support 330 can be installed.

In an embodiment, the first installation space 324 may be formed in a triangular shape whose vertical height decreases from the front end to the rear end.

The second installation space 325 forms a symmetrical structure in the front-rear direction with the first installation space 324 so that the second conveyor-type support 340 can be installed, and corresponds to the shape of the second conveyor-type support 340 . It is formed at the inner rear end of the support body 321 in the shape of

FIG. 7 is a view showing the first conveyor-type support of FIG. 4 .

Referring to FIG. 7 , the first conveyor type support 330 includes a first sprocket 331 , a second sprocket 332 , a third sprocket 333 , a drive belt 334 , a brake plate 335 and a brake a spring 336 .

Here, the second conveyor-type supporter 340 is a configuration that forms a symmetrical structure in the front-rear direction with the first conveyor-type supporter 330, and each of the configurations of the first conveyor-type supporter 330 described later is equally applied. In order to avoid duplication of description, the description thereof will be omitted.

The first sprocket 331 is installed on the upper side of the front end of the first installation space 324 , and is connected to the upper side of the front end of the drive belt 334 to support the drive belt 334 .

The second sprocket 332 is installed at the lower side of the front end of the first installation space 324 , and is connected to the lower side of the front end of the drive belt 334 to support the drive belt 334 .

The third sprocket 333 is installed below the rear end of the first installation space 324 , and is connected to the lower rear end of the drive belt 334 to support the drive belt 334 .

The drive belt 334 is connected and installed along the first sprocket 331 , the second sprocket 332 , and the second sprocket 332 , and is supported by the second sprocket 332 and the second sprocket 332 . The lower side is exposed to the lower side of the support body 321 to support the support body 321 , and as the support body 321 is moved in the front-rear direction by an external force, it is rotated by the frictional force with the roof floor surface 100 . do.

That is, the lower part of the second sprocket 332 and the third sprocket 333 is exposed to the lower side of the support body 321 so that the lower side of the drive belt 334 can be exposed to the lower side of the support body 321 . It will be connected to the first installation space 324 to be installed.

The braking plate 335 is spaced downward from the lower surface 3141 of the first braking frame 314 with the driving belt 334 interposed therebetween as shown in FIG. 6 to the lower side of the first braking frame 314 . It forms an inclination angle corresponding to the inclined surface and is fixedly installed in the first installation space 324, and when the first braking frame 314 is lowered, it is driven in close contact with the first braking frame 314 with the driving belt 334 interposed therebetween. The rotation of the belt 334 is braked.

The braking spring 336 is installed between the front end of the drive belt 334 and an upper surface of the front end of the first installation space 324 so that rotation of the drive belt 334 can be elastically supported.

The first conveyor-type support 330 having the above-described configuration is performed by the braking spring 336 when the driving belt 334 is not braked because the support plate 311 is not lowered. The rotation of the drive belt 334 is braked to prevent the frame support 300 from moving more than a certain distance by the elastic force of the brake spring 336, and the support plate 311 is lowered to brake the drive belt 334. In this case, the rotation of the drive belt 334 is braked with a stronger force than when the brake spring 336 is braked, so that the frame support 300 can be prevented from moving further.

FIG. 8 is a view showing an embodiment of the gap support of FIG. 2 .

Referring to FIG. 8 , the spacing support part 500 according to an embodiment includes a box-shaped case 510 , a first support part 520 , a second support part 530 , a third support part 540 , and a spacing adjustment bolt 550 . ) is included.

Here, the gap support part 500 is installed in the horizontal direction as shown in FIG. 2 and corresponds to a configuration for buffering vibrations or shocks transmitted in the horizontal direction, but for convenience of explanation, it is based on the case of being erected in the vertical direction. to be explained as

The box-shaped case 510 has a first space S1 and a second space ( S2), a third space (S3), and a fourth space (S4) are partitioned, between one first assembly (10-1, 10-2) and another first assembly (10-1, 10-2) placed in an isolated space.

The first support part 520 is formed by being rounded upwardly in a "∩" shape, and the lower side of the front end passes through the first opening 540 formed on the upper side of the first space S1. The inner side of the box-shaped case 510 is inserted into the spacer bolt 550 and seated in the first space S1, and the lower rear end 521 is rotatably connected to the upper side of the box-shaped case 510 to be installed in one first assembly 10-1 , 10-2) is supported.

In one embodiment, the first support 520, as shown in FIG. 11, the lower side of the front end is moved in the rear end direction by the spacing adjusting bolt 550, and the upper and lower height can be increased as the distance from the rear end is reduced. there is.

The second support part 530 is formed by being rounded downwardly in a "∪" shape, and the upper side of the front end passes through the second opening 550 formed in the lower side of the second space S2. The inner side of the box-shaped case 510 is inserted into the spacer bolt 550 and seated in the second space S2, and the rear end upper side 531 is rotatably connected to the lower side of the box-type case 510, and the other first assembly 10- 1, 10-2) are supported.

The third support part 540 is formed by being rounded upwardly in a "∩" shape, and the lower front end of the box-shaped case 510 through the third opening 560 formed in the upper side of the third space S3. is inserted into the spacer bolt 550 and seated in the third space S3, and the lower rear end 541 is rotatably connected to the upper side of the box-shaped case 510, and is installed in a first assembly 10-1 , 10-2) is supported.

The gap adjusting bolt 550 is supported by the first partition wall 510, the second partition wall 520, and the third partition wall 530 and penetrates the box-shaped case 510 in the front-rear direction and is installed, the first support part ( 520), the second support part 530, and each of the front ends of the third support part 540 are fastened, and the first support part 520 while moving in the rear end direction in the box-shaped case 510 as it rotates in a clockwise or counterclockwise direction. ), the second support part 530 , and the third support part 540 move each front end in the rear end direction.

In one embodiment, the spacing adjusting bolt 550 is a bolt body 551 , a pair of first fixing disks 552 , a pair of second fixing disks 553 , and a pair of third fixing disks 554 . ) may be included.

The bolt body 551 is installed while penetrating the box-shaped case 510 in the front-rear direction, and is formed on the inner circumferential surface of the through-holes formed in the first partition wall 510 , the second partition wall 520 , and the third partition wall 530 . A screw thread 551a is formed along the outer surface to be engaged with the screw thread and installed.

The pair of first fixed disks 552-1 and 552-2 is a first support portion 520 so that the front end of the first support portion 520 can be moved forward or backward as the bolt body 551 moves forward or backward. The front end of the bolt body 551 is spaced apart from each other and fixedly installed.

The second fixing disks 553-1 and 553-2 have the front end of the second support part 530 so that the front end of the second support part 530 can be moved forward or backward as the bolt body 551 moves forward or backward. They are spaced apart from each other in the bolt body 551 and fixedly installed therebetween.

The third fixing disks 554-1 and 554-2, the front end of the third support part 540 so that the front end of the third support part 540 can be moved forward or backward as the bolt body 551 moves forward or backward. They are spaced apart from each other in the bolt body 551 and fixedly installed therebetween.

The gap support part 500 having the configuration as described above is, as shown in FIG. 12 , the first support part 520, the second support part 530 and the third support part ( By freely adjusting the spacing between one first assembly (10-1, 10-2) supported by 540 and the other first assembly (10-1, 10-2) according to the needs of the user, one first assembly (10-1, 10-2) In addition to adjusting the spacing between the first assembly (10-1, 10-2) and the other first assembly (10-1, 10-2), one first assembly (10-1, 10-2) and another work Vibration or shock generated between the first assemblies 10-1 and 10-2 may be effectively buffered.

13 to 15 are diagrams schematically showing the construction of a roof waterproof structure according to another embodiment of the present invention.

Referring to FIG. 10 , the roof waterproofing structure 2 according to another embodiment of the present invention includes two first assemblies 10-1 and 10-2, a second assembly 20, and two third assemblies ( 30 - 1 and 30 - 2 ), a fourth assembly 40 , a drip tray 50 , a gap support part 60 , and a door unit 70 .

Here, the two first assemblies 10-1 and 10-2, the second assembly 20, the two third assemblies 30-1 and 30-2, the fourth assembly 40, and the water receiver 50 ) and the gap support part 60, since they are the same as the components of FIG. 1, their description will be omitted.

The door unit 70 includes the third assemblies 30 - 1 and 30 - so as to open and close an enclosed space formed between the third assemblies 30 - 1 and 30 - 2 and the roof floor surface 100 . It is formed in a shape corresponding to the shape of the opening 31 formed in 2), and the front end is installed in the front end 10a of the first assembly 10-1, 10-2. It is connected and installed so as to be rotatable, and the rear end is above the rear end 10b of the first assemblies 10-1 and 10-2 so as to form the same inclined surface as the inclined surface of the third assemblies 30-1 and 30-2. It is seated and supported on the upper side of the installed unit support 400 .

In an embodiment, a seating space H for seating the unit support 400 may be formed at the rear end 10b of the first assemblies 10-1 and 10-2.

In one embodiment, the door unit 70 is formed by bending the front ends formed on one side and the other side of the openings 31 formed in the third assemblies 30-1 and 30-2 in the upper right angle direction. The second fastening jaws 71 of the "b" shape in which the front end is bent in the lower right angle direction to be fastened to the first fastening jaws 32 of the "b" shape may be formed on one side and the other side.

In the rooftop waterproof structure 2 according to another embodiment of the present invention having the above-described configuration, the space sealed by the third assembly 30-1, 30-2 is not ventilated, so that mold or condensation, etc. This can be prevented from occurring, and the door unit 70 that can serve as an opening through which a worker can enter the inner space of the third assembly 30-1 and 30-2 for repair of some components is provided. can be provided

FIG. 16 is a view showing an embodiment of the unit support of FIG. 15 .

Referring to FIG. 16 , the unit support 400 according to an embodiment is a view showing a support plate 410 , a lower plate 420 , and a rotatable buffer 430 .

The support plate 410 is formed in the form of a flat plate extending in the front and rear longitudinal direction, the rear end of the door unit 70 is seated, and is supported by the rotating buffer 430 .

The lower plate 420 is formed in the shape of a hexahedron box, is seated in the above-described seating space H, and is installed above the rear end 10b of the first assemblies 10-1 and 10-2, and a rotation-type buffer part ( 430 is installed to be spaced apart from the support plate 410 supported by the lower side.

At this time, the lower plate 420 should be formed with a high depth of the seating space H so that the support plate 410 can be exposed to the upper side of the seating space H.

The pivoting buffer 430 is connected between the support plate 410 and the lower plate 420 to move the support plate 410 in the front-rear direction by the door unit 70 seated on the upper side of the support plate 410 . While rotating to buffer the vibration or shock transmitted from the support plate (410).

In one embodiment, the pivoting buffer 430 may include a first arcuate support 431 , a second arcuate support 432 , a third arcuate support 433 , and a support connecting link 434 .

The first arcuate support 431 is formed in an arch shape of a "U" shape that is rounded to the lower side, and the upper front and rear ends are fixed to the lower side of the support plate 410 to support the support plate 410, The lower side is seated on the upper side of the lower plate 420 , and the lower side is moved along the upper side of the lower plate 420 by the door unit 70 seated on the upper side of the support plate 410 while rolling in the front end or rear end direction. do.

The second arcuate support 432 is formed in an arc shape of a “∩” shape that is rounded upward, and the lower front and rear ends are respectively inserted into the lower plate 420 and seated therein.

The third arcuate support 433 is formed in an arc shape of a “∩” shape that is rounded upward in a shape corresponding to the shape of the second arcuate support 432 , with the first arcuate support 431 interposed therebetween. The lower front and rear ends are respectively inserted into and seated inside the lower plate 420 spaced apart from the second arcuate support 432 .

The support connecting link 434 is formed extending from the upper side of the upwardly rounded arcuate space formed by the second arcuate support 432 to the upper side of the upwardly rounded arcuate space formed by the third arcuate support 433, It is seated while pressing the lower side of the circular arcuate space to the lower side formed by the first arcuate support 431 in the lower direction.

The unit support 400 having the configuration as described above buffers vibration or shock transmitted from the door unit 70 while the support plate 410 is rotated by the door unit 70 seated on the upper side in an oblique direction. By doing so, it is possible to effectively prevent damage to the door unit 70 .

FIG. 17 is a view showing the lower plate of FIG. 16 .

Referring to FIG. 17 , the lower plate 420 has an end seating space 440 such that the lower front and rear ends of the second arcuate support 432 and the lower front and rear ends of the third arcuate support 433 can be seated therein. Each of these is formed inside.

In one embodiment, the end seating space 440 is a circular plate ( A cross section may be formed in a circular shape corresponding to the shape of the circular plate 435 so that the 435 can be seated and moved.

In an embodiment, the circular plate 435 includes a plurality of upper support elastic bodies T1 installed along the upper side in a state disposed in the center of the end seating space 440 and a lower support elastic body T2 installed on the lower side. The upper and lower sides may be respectively supported by the .

The lower plate 420 having the configuration as described above includes the second arcuate support 432 or the third arcuate support 433 so that it can move together according to the movement of the first arcuate support 431. 432 ) and each end of the third arcuate support 433 may be seated and formed inside the end seating space 440 , which is a space for movement.

At this time, the second arcuate support 432 and the third arcuate support 433 are deformed, such as when the shape is bent from one end seating space 440 to the other end seating space 440 , and the first arcuate support 431 . ), it would be preferable to be formed of an elastic or soft material so that it can be moved together with the movement.

FIG. 18 is a view showing the support connecting link of FIG. 16 .

Referring to FIG. 18 , the support connecting link 434 includes a first fixing block 4341 , a second fixing block 4342 , and a sliding block 4343 .

The first fixing block 4341 is fixedly installed on the upper side of the upwardly rounded arcuate space formed by the second arcuate support 432 , and is connected to the first fastening pin P1 of the sliding block 4343 .

The second fixing block 4342 is fixedly installed on the upper side of the upwardly rounded arcuate space formed by the third arcuate support 433 opposite to the first fixing block 4341 , and the second of the sliding block 4343 . It is connected to the fastening pin (P2) and installed.

The sliding block 4343 is seated on the lower side of the downwardly rounded arcuate space formed by the first arcuate support 431 corresponding to the spaced space between the first fixed block 4341 and the second fixed block 4342, , a first fastening pin (P1) formed on one side is rotatably connected to the first fixing block (4341), and a second fastening pin (P2) formed on the other side is rotated on the first fixing block (4341) It is connected and installed so as to be possible, and as the first arcuate support 431 moves in the front or rear direction along the upper side of the support plate 410 while moving in the front or rear direction, the first fixing block 4341 and the second 2 It moves the fixing block 4342 in the front end or rear end direction.

The support connecting link 434 having the configuration as described above is a second arcuate support 432 and As the first fixing block 4341 and the second fixing block 4342 fixed to the third arcuate support 433 move forward or backward, the second arcuate support 432 and the third arcuate support 433 are moved forward or can back it up.

19 to 21 are views showing the sliding block of FIG. 18 .

19 to 21 , the sliding block 4343 is seated in a guide groove 4311 extending in the front-rear direction along the inner circumferential surface of the first arcuate support 431 in the front-rear direction along the guide groove 4311 . The guide protrusion 4344 is formed to extend in the front-rear direction along the lower surface formed in a round shape to be in close contact with the inner circumferential surface of the first arcuate support 431 so that it can slide.

And, the sliding block 4343 is a plurality of in the front-back direction along one side and the other side of the lower side with the guide protrusion 4344 therebetween so as to minimize the frictional force with the inner circumferential surface of the first arcuate support 431 . The rollers 4345 are connected and installed to be spaced apart from each other at regular intervals in the front-rear direction.

In one embodiment, the first arcuate support 431 is formed of a hard material, unlike the second arcuate support 432 and the third arcuate support 433 , so that its shape does not change even when pressed by the support plate 410 . It is preferable to be formed so as not to, and a support 4312 for performing a function such as a wheel of a vehicle wheel to prevent deformation of a shape may be formed along one side and the other side edge.

In the sliding block 4343 having the above-described configuration, as shown in FIG. 21 , the support plate 410 is moved in a clockwise or counterclockwise direction by the door unit 70 seated on the upper side of the support plate 410 . When the first arcuate support 431 rotates together as it rotates, sliding along the inner surface of the first arcuate support 431 from the reference line L, which is the seating position when the support plate 410 is parallel. It can move while moving forward or backward in the horizontal direction.

The above-described embodiments are for illustration, and those of ordinary skill in the art to which the above-described embodiments pertain can easily transform into other specific forms without changing the technical idea or essential features of the above-described embodiments. You will understand. Therefore, it should be understood that the above-described embodiments are illustrative in all respects and not restrictive. For example, each component described as a single type may be implemented in a dispersed form, and likewise components described as distributed may be implemented in a combined form.

The scope to be protected through this specification is indicated by the claims described below rather than the above detailed description, and should be construed to include all changes or modifications derived from the meaning and scope of the claims and their equivalents. .

1, 2: Roof waterproof structure
10: first assembly
20: second assembly
30: third assembly
40: fourth assembly
50; drip tray
60: gap support
70: door unit

Claims (11)

two first assemblies that are installed to face each other so as to be symmetrical on the floor surface of the roof and have an inclination angle with respect to the ground with respect to the center turned off downward;
a second assembly formed at each rear end of the two first assemblies and installed in close contact with the roof railing wall;
two third assemblies seated on the upper side of the first assembly to form a sealed space between the roof floor surface and the second assembly;
a fourth assembly installed on the front surface of the second assembly;
"

A drip tray that is formed in the shape of " and installed in a spaced apart space between one first assembly and another first assembly, and for discharging rainwater transmitted from the third assembly to the outside; And
It includes; a gap support part installed to be spaced apart from each other at regular intervals along the water receiving part and supporting a gap between one first assembly and another first assembly;
The first assembly is
a first frame extending in the left and right width directions and installed on the roof floor surface;
a second frame extending in the vertical direction and installed on the first frame;
a third frame extending in the longitudinal direction and installed on the second frame so as to be inclined downward toward another first assembly direction; and
a fourth frame extending in the left and right width directions and installed on the upper side of the third frame so that the third assembly can be seated on the upper side;
The first frame is
"

A plurality of bent parts bent upward in the shape of " are formed at regular intervals,
The bent part,
A roof waterproofing structure in which a frame support for buffering vibration or shock transmitted from the roof floor surface is seated in a space separated from the roof floor surface.
delete According to claim 1, wherein the frame support portion,
an upper support for supporting an upper side of the bent part;
a lower support seated on the roof floor surface and the upper support seated on the upper side;
a first conveyor-type support seated on the inner front end of the lower support to support the lower support so that the lower side is exposed to the lower side of the lower support; and
A second conveyor-type support that is formed in a symmetrical structure in the front-rear direction with the first conveyor-type support and is seated at the inner rear end of the lower support so that the lower side is exposed to the lower side of the lower support to support the lower support; , roof waterproof structure.
According to claim 3, wherein the upper support,
a support plate formed in a flat plate shape to support an upper side of the bent part;
a plurality of lower grooves spaced apart from each other on the lower side of the support plate;
a gap support elastic body installed in each of the lower grooves to be supported between the support plate and the lower support by using an elastic force and seated on the upper side of the lower support;
a first braking frame extending downward from the lower side of the support plate, the lower rear end extending downward than the lower front end, and the lower side forming an inclined surface; and
The lower front end is formed to extend downwardly from the lower side of the support plate spaced apart from the first braking frame in the rear end, and the lower front end is formed to extend further downward than the lower rear end so as to form a symmetrical structure in the front-rear direction with the first braking frame. A second braking frame whose side surface forms an inclined surface; including, a roof waterproof structure.
According to claim 4, wherein the lower support,
a support body formed in a hexahedral box shape so that the support plate can be seated on the upper side;
a first vertical through-groove that penetrates the support body in a vertical direction so that the first braking frame can be inserted;
a second vertical through hole penetrating the support body in a vertical direction so that the second braking frame can be inserted;
a first installation space formed at the inner front end of the support body so that the first conveyor-type supporter can be installed; and
and a second installation space formed at the inner rear end of the support body to form a symmetrical structure in the front-rear direction with the first installation space so that the second conveyor-type support can be installed,
The first installation space,
Roof waterproofing structure that is formed in a triangular shape whose vertical height decreases from the front end to the rear end.
According to claim 5, The first conveyor-type support,
a first sprocket installed above the front end of the first installation space;
a second sprocket installed below the front end of the first installation space;
a third sprocket installed below the rear end of the first installation space;
The first sprocket, the second sprocket, and the second sprocket are interlocked and installed along the second sprocket, and the lower side supported by the second sprocket and the second sprocket is exposed to the lower side of the support body to support the support body, , a driving belt rotated by a tactile force with the roof floor surface as the support body moves in the front-rear direction by an external force;
The first braking frame is spaced downward from the lower surface of the first braking frame with the drive belt interposed therebetween to form an inclination angle corresponding to the lower inclined surface of the first braking frame and is fixedly installed in the first installation space, the first braking frame a braking plate which is in close contact with the first braking frame with the driving belt interposed therebetween to brake the rotation of the driving belt when it descends; and
and a braking spring installed between a front end of the drive belt and an upper surface of the front end of the first installation space so that rotation of the drive belt can be elastically supported.
According to claim 1,
It is formed in a shape corresponding to the shape of the opening formed in the third assembly to open and close the sealed space formed between the third assembly and the roof floor surface, and the front end is at the front end of the first assembly. The door unit is connected and installed so as to be rotatable, and the rear end is seated and supported on the upper side of the unit support installed above the rear end of the first assembly so as to form the same inclined surface as the inclined surface of the third assembly;
The door unit is
The front end is bent in the lower right angle direction so that the front end formed on one side and the other side of the opening formed in the third assembly can be fastened to the first fastening jaw of the "B" shape formed by bending in the upper right angle direction "A"-shaped second fastening jaws are formed on one side and the other side, the roof waterproof structure.
According to claim 7, wherein the unit support,
a support plate formed in a flat plate shape on which the rear end of the door unit is seated;
a lower plate formed in a hexahedral box shape, installed on the upper side of the rear end of the first assembly, and spaced downward from the support plate; and
Rotation-type buffer that is connected between the support plate and the lower plate and buffers vibration or shock transmitted from the support plate while rotating the support plate in the front-rear direction by the door unit seated on the upper side of the support plate A roof waterproofing structure, including;
The method of claim 8, wherein the rotation-type buffer unit,
It is formed in the form of a "U"-shaped arch that is rounded to the lower side, and the upper front and rear ends are fixedly installed on the lower side of the support plate to support the support plate, and the lower side is seated on the upper side of the lower plate, and the support a first arcuate support in which the lower side is moved along the upper side of the lower plate by the door unit seated on the upper side of the plate while being rolled in the front end or rear end direction;
a second arcuate support that is formed in an arc shape of a "∩" shape that is rounded upwards, the lower front end and the rear end are respectively inserted into and seated in the lower plate;
The second arcuate support is formed in the shape of an "∩"-shaped arch that is rounded upward in a shape corresponding to the shape of the arcuate support, and is spaced apart from the second arcuate support with the first arcuate support interposed therebetween so that the lower front end and the rear end are a third arcuate support that is inserted and seated inside the lower plate, respectively; and
It is formed extending from the upper side of the upwardly rounded arcuate space formed by the second arcuate support to the upper side of the upwardly rounded arcuate space formed by the third arcuate support, and is formed to be rounded downwardly formed by the first arcuate support. Including, roof waterproof structure;
10. The method of claim 9,
The lower plate is
End seating spaces are respectively formed inside so that the lower front and rear ends of the second arcuate support and the lower front and rear ends of the third arcuate support can be seated,
The end seating space is
A cross section is formed in a circular shape corresponding to the shape of the circular plate so that the circular plate in the shape of a disc formed at the ends of the second arcuate support and the third arcuate support can be seated,
The circular plate,
In a state disposed in the center of the end seating space, the upper and lower sides are respectively supported by a plurality of upper supporting elastic bodies installed along the upper side and lower supporting elastic bodies installed at the lower side, respectively.
11. The method of claim 10, wherein the support connecting link,
a first fixing block fixedly installed on an upper side of an upwardly rounded arcuate space formed by the second arcuate support;
a second fixing block facing the first fixing block and being fixedly installed on an upper side of an upwardly rounded arcuate space formed by the third arcuate support; and
The first fixing block and the second fixing block are seated on the lower side of the circular arcuate space formed by the first arcuate support corresponding to the spaced apart space between the first fixing block and the first fastening pin formed on one side of the first The fixed block is rotatably connected and installed, and a second fastening pin formed on the other side is rotatably connected to the first fixed block, and the first arcuate support is a front end or a rear end along the upper surface of the support plate. A sliding block for moving the first fixed block and the second fixed block in the front end or rear end direction while moving in the front end or rear end direction as it rolls and moves in the direction.

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