KR20090095504A - Roof plates connecting structure - Google Patents

Abstract

A connection structure of a shingle is provided to fix a plurality of shingles arranged on a roof base part right and left using a fixing part. A connection structure of a shingle comprises: a plurality of shingles(3) arranged on a roof base part(4) right and left; and a fixing part connecting one end part of the shingles right or left sides to the rear end part of the shingles. The shingles include a connecting piece(1) in which the end part in which the lateral edge of the shingle which is adjacent right and left is overlapped. The fixing part includes: a mounting part formed in order to be combined in the rear end of the shingle, pressurizing and combining with the shingle; and a hanging piece(6) hang on the upper side end part of the connection piece of the shingle.

Description

ROOF PLATES CONNECTING STRUCTURE}

The present invention relates to a coupling structure of a roof plate configured to fix a plurality of roof plates arranged up, down, left and right in a roof base portion by using a fastener.

Japanese Utility Model Registration Publication No. 3068093 describes a connection structure of a conventional roof board. Conventional roof boards are produced by high-temperature treatment of mineral raw materials such as clay in kilns and furnaces. The roof board is arranged in a roof base portion such as a mountain board. In the conventional roof board, connecting pieces are provided at the left end and the right end. The roof plate is disposed on the roof base so that the connecting piece at the left end overlaps with the connecting piece at the right end of the roof plate located on the right side. In addition, the roof plate is arrange | positioned so that a front end may overlap with the rear end of the roof plate of a lower end. The roof plate is formed in its rear end with a hole through which nails for fixing the roof plate to the roof base portion pass. Therefore, the roof plate is fixed to the roof base portion with a nail. Thus, the roof plate is attached to a roof base part by the back end being fixed with a nail. On the other hand, since the front end of the roof board is not fixed by the nail, the roof board may be blown by wind. Therefore, in order to prevent the roof plate from being blown by wind, a fixture for connecting the front end of the upper roof plate and the rear end of the lower roof plate is used. By connecting the front end of the upper roof plate and the rear end of the lower roof plate with a fixture, the upper end of the roof plate is fixed. Therefore, the front end of the some roof plate arrange | positioned on the roof base part is fixed.

The conventional fixture has a locking piece and a fixing piece. The engaging piece is formed to be caught by the upper surface of the roof plate of the upper end. The fixing piece is formed to abut on the upper surface of the roof plate at the lower end, and a nail passage hole for passing the nail is formed. Such a fastener is used in the procedure shown below. First, the fastening piece is fastened to the front end of the upper surface of the roof plate. Next, the fixing piece is mounted on the upper surface of the roof plate of the lower end. Then, the nail is nailed to the roof base portion or the crosspiece through the nail through hole formed in the nail piece of the fixing piece and the roof plate at the bottom. In this way, the roof plate at the top and the roof plate at the bottom are attached to the roof base part using a fixture and a nail. Therefore, the roof plate of the upper end is connected with the roof plate of the lower end by a fixture.

However, in the case as described above, the fastener is configured to fix the roof plate at the top by nails embedded in the roof base portion through the nail passage hole of the roof plate at the bottom from the nail passage hole formed in the fixing piece. Therefore, the user needs to overlap the front end of the upper roof plate and the rear end of the lower roof plate while matching the position of the nail through hole of the fixing piece with the nail through hole of the roof plate of the lower end. In other words, when fixing each roof plate, it is necessary to align each roof plate at an accurate position of the roof. Therefore, the lower end of the roof board could not be fixed easily.

The present invention has been made to solve the above problems. An object of the present invention is to provide a connection structure of a roof plate that can easily fix the front end of the roof plate.

The connection structure of the roof board of this invention is comprised from the some roof board and a fixture. The plurality of roof plates is fixed to the roof base portion and arranged up, down, left and right. The fastener is for engaging one front end portion of the left and right side ends of the roof plate at the upper end with the rear end of the roof plate at the adjacent lower end. Each roof board is provided with the connection piece which the side edge part of the roof plate adjacent in a left-right direction overlaps in one of the left-right side edge parts. The fastener is composed of a mounting portion and a locking piece. The mounting portion is formed to be coupled to the rear end of the roof plate at the lower end. The engaging piece is formed to be caught by the upper end of the connecting piece of the roof plate of the upper end. Moreover, the mounting part is comprised so that the rear end part of a roof plate may press-fit and couple | bond with a roof plate. The fixture is held on the roof plate at the bottom by press fit.

In this case, the fastener is configured to be secured to the front end of the roof plate at the top and press-fit to the rear end of the roof plate at the bottom to fix the roof plate at the top and the roof plate at the bottom. Therefore, the work which fixes the lower end of a roof board can be performed easily.

It is preferable that a latching recess is formed in the rear end of the roof plate. Thereby, the mounting part is configured to press-fit the rear end on which the locking recess of the roof plate is formed, thereby press-fitting the roof plate.

In this case, the recessed part formed in the rear end part of the lower surface of a roof board can form the space opened back at the time of arrange | positioning a roof board to a roof base part. Therefore, by engaging the fastening member of the fastener to the front end of the roof plate, and fixing the mounting portion of the fastener to the rear end of the roof plate of the upper end, the upper roof plate is connected to the roof plate of the lower end.

Moreover, it is preferable that a roof board is equipped with a leg part (angle part) and a latching part in the rear end. This part extends downward and is installed. The locking portion is configured to hang on a crosspiece provided in the roof base portion, and extends downward. The roof board is comprised so that a latch part may be caught by a crossbar in the state in which each part was mounted on the crossbar.

By forming a bridge on the lower surface of the roof plate, a space can be formed between the roof plate and the crosspiece. Therefore, the fixture can be attached to each roof board through the space provided between the roof board and the crosspiece. That is, the crosspiece can be prevented from interfering with the mounting fixture on the roof plate. Thereby, the front end of the upper roof plate and the rear end of the lower roof plate can be connected with a fixture.

It is preferable that the fastener further includes the vertical piece, the lower piece and the suppressing piece. The vertical piece is provided with the locking piece at the upper end. The lower piece extends at a predetermined angle from the lower end of the vertical piece. The restraining piece is located between the locking piece and the lower piece and is formed to extend downward. The lower and restraining pieces define the mounting part. The fastener is configured such that the rear end of the roof plate is press-fitted between the lower piece and the restraining piece to press-fit with the roof plate.

In this case, by fixing the lower piece and the restraining piece to the roof plate at the lower end, the fastener can be prevented from peeling off. Therefore, the roof plate of the upper part and the roof plate of the lower part can be connected reliably.

It is preferable that the lower part is provided with the protrusion engaging piece comprised so that it may hang on the rear end part of a roof plate.

In this case, the fastener can be reliably fixed to the bottom roof plate by being caught by the rear end of the bottom roof plate. Therefore, the fastener can be reliably fixed to the roof plate at the bottom.

It is preferable that a roof board includes an insertion recessed part in the back end of the bottom plate. This insertion recess is comprised so that the said lower piece may be inserted in the temporarily fixed state which fastened the locking piece to the connection piece. As a result, when the fastener in the temporarily fixed state is rotated at the contact point between the engaging piece and the connecting piece as a point, the engaging piece moves from the insertion recess to the locking recess, and the restraining piece is pressed against the upper surface of the rear end of the roof plate at the lower end. .

In this case, it is possible to easily press-fit the roof plate with the mounting portion defined by the lower piece and the restraining piece.

Hereinafter, embodiments of the present invention will be described.

3A shows a top view of the roof plate 3 used in the present embodiment. FIG.3 (b) has shown the perspective view of the lower surface of the roof plate 3 used for a present Example. In FIG. 3A, the X direction indicates the front side of the roof plate, and the Y direction indicates the right side of the roof plate. Similarly, in Fig. 3B, the X direction indicates the front of the roof plate, and the Y direction indicates the right side of the roof plate. This roof board 3 is manufactured by baking mineral raw materials, such as clay, in a furnace. The plurality of roof plates 3 are arranged up, down, left, and right between the roof base portion provided between the floor and the eave. Here, the floor is a horizontal building material used for the top of the frame of the roof. In addition, the eave is a part which protrudes from the outer wall of a building at the lower end of a roof. However, the eaves do not have to protrude from the outer wall of the building. The roof board 3 is formed in a rectangle as shown to Fig.3 (a). The roof plate 3 includes a main plate 30, a connecting piece 1, a connecting piece 2, a nail passage hole 20, and a wall 36. The connecting piece 1 extends from the left end of the main plate 30 to the left side, whereby the connecting piece 1 is provided at the left end of the roof plate 3. The connecting piece 2 extends from the right end of the main plate 30 to the right side, whereby the connecting piece 2 is provided at the side end on the right side of the roof plate 3. The roof plate 3 is disposed so that the connecting piece 2 overlaps the connecting piece 1 when the roof plate 3 is arranged in the left and right direction. Moreover, the roof plate 3 is arrange | positioned so that a front end may be located in a cornice side, and it is arrange | positioned so that a rear end may be located in a floor stand side. The upper surface of the connecting piece 1 is formed to be lower than the upper surface of the main plate 30. The connecting piece 1 is provided with the wall 26 which protruded upward at the left end of the upper surface. The wall 26 is provided so that the water which flowed in the connecting piece 1 flows in front of the roof plate 3. As for the main plate 30, the wall 36 which protrudes upward is formed in the rear end. The wall 36 is provided in order to prevent the water which flowed from the upper surface of the roof plate 3 arrange | positioned at the upper end to flow to the rear end side of the roof plate 3. The roof plate 3 is fixed to the roof base part through the nail through-hole 20 provided in the wall 36 by the nail.

As shown in (b) of FIG. 3, the roof plate 3 is formed with the edge 27 which protrudes downward at the rear end of the lower surface. In the edge 27, a locking portion 9, a leg 10, a locking recess 8 and an insertion recess 28 are formed. The locking part 9 is provided in each of the left and right of the rear end of the lower surface of the roof plate 3. The locking recesses 8 are provided between the locking portions 9. The locking recesses 8 and the insertion recesses 28 are provided with the lower side and the rear side open. The insertion recesses 28 are formed deeper than the locking recesses 8. As shown in FIG. 3B, the locking portion 9 extends downward from the edge 27. Three legs 10 are formed on the lower surface of the roof plate 3. The legs 10 at both ends are extended downward and forward from the edge 27 and are provided. The leg 10 provided in the center protrudes downward from the rear end of the lower surface of the main plate, and extends forward. The locking part 9 protrudes downward from the leg 10, and is provided. In other words, the dimension of the lower side of the locking part 9 is formed so that it may become larger than the dimension of the lower side of the leg 10.

4 shows the fastener 5 of this embodiment. The fastener 5 includes the longitudinal piece 12, the locking piece 6, the lower piece 7, and the restraining piece 29. The locking piece 6 is formed at the upper end of the vertical piece 12 so that the angle formed with the vertical piece 12 is perpendicular. The lower piece 7 is formed at the lower end of the vertical piece 12 so that the angle formed with the vertical piece 12 is perpendicular. The direction in which the locking piece 6 extends is the same as the direction in which the lower piece 7 extends. On the lower piece 7, a protruding locking piece 14 protruding upward is formed on the upper surface opposite to the longitudinal piece 12 side. The suppressor piece 29 extends downward from the center part of the upper piece 6, and is bent and formed in the middle. Therefore, the restraining piece 29 is located between the locking piece 6 and the lower piece 7, and extends downward. The lower piece 7 and the restraining piece 29 function as a mounting part of the fastener 5.

Next, attachment of the roof plate 3 to the roof beam part 4 is demonstrated. FIG. 5 shows a plurality of roof plates 3 arranged on the roof base portion 4 provided between the floor and the eave. In FIG. 5, the direction of the arrow indicates the cornice side. A plurality of roof plates 3 are arranged in the roof base portion 4 to form a roof. The roof plate 3 is arranged in the left-right direction so that the connection piece 1 may overlap on the connection piece 2 of the roof plate 3 on the right side. In addition, the roof plate 3b of the upper end is arrange | positioned back and front so that the front end may overlap on the rear end of the roof plate 3a of the lower end. The roof plate 3 is arranged in a zigzag along the direction of the arrow, as shown in FIG.

When attaching the roof plate 3 to the roof base part 4, the roof plate 3 is mounted on the roof base part 4 first. The roof plate 3 mounted on the roof base portion 4 is nailed to the roof base portion 4 by the nails 21 through the nail through holes 20, whereby the rear end of the roof plate 3 is the roof base. It is fixed to the part 4. In order to prevent the front end of the roof plate 3 from blowing in the wind, the front end of the roof plate 3 is connected to the rear end of the roof plate 3 at the lower end by the fastener 5. 1 and 2 show a state in which the fastener 5 connects the front end of the roof plate 3 and the rear end of the roof plate 3 at the lower end.

That is, as shown in FIG. 5, the roof plate 3a of the lower end is first mounted. Thereafter, the roof plate 3b at the upper end is mounted. Next, the locking piece 6 is locked to the connecting piece 1 of the roof plate 3b at the upper end by locking the locking piece 6 to the wall 26. Next, by sliding the fastening piece 6 forward along the wall 26, the fastener 5 slides forward, and the lower piece 7 is inserted into the insertion recess 28 of the roof plate 3a at the lower end. Plug in. Thereby, the locking piece 6 is in the temporarily fixed state caught by the front end of the wall 26. As shown in FIG. Next, the fastener 5 is rotated, with the contact point between the engaging piece 6 and the connecting piece 1 as an axis, and the lower piece 7 is placed on the lower surface of the locking recess 8 of the roof plate 3a at the lower end. Move to. As a result, the restraining piece 29 is in pressure contact with the rear end upper surface of the roof plate 3a at the lower end. As a result, the rear end of the roof plate 3a is press-fitted to the mounting portion, and the fastener 5 is press-fitted to the roof plate 3a. In addition, the roof plate 3a of the upper end and the roof plate 3b of the lower end are connected by the fixture 5.

In this way, while the engaging piece 6 of the fastener 5 is caught by the connecting piece 1 of the upper roof plate 3b, the lower piece ( 7) and the restraint piece 29 are fixed, the rear end of the roof plate 3a and the front end of the roof plate 3b can be connected. That is, the front end of the left side end part of the roof plate 3a of the upper end is couple | bonded with the rear end of the roof plate 3a of the adjacent lower end by the fastener 5. The rear end of the roof plate 3a is fixed by the nail 21. Thus, the front end of the roof plate 3b is fixed. Thereby, the front end of the roof plate 3 can be prevented from blowing in a wind. Moreover, the fastener 5 press-fits to the rear end of the roof plate 2a of a lower end, and fits the rear end of the roof plate 2a of a lower end. Therefore, when mounting the fixture 5, it is not necessary to accurately position it. Therefore, the front end of the roof plate 3b of the upper end can be easily connected with the rear end of the roof plate 3a of the lower end.

In addition, the insertion recess 28 is formed deeper than the locking recess 8. Therefore, the lower piece 7 can be plugged in easily. On the other hand, the locking recess 8 is formed shallower than the insertion recess 28. Therefore, when the fixture 5 is rotated, the lower piece 7 and the suppressor piece 29 are reliably press-fitted to the rear end of the roof plate 3a at the lower end. That is, by forming the locking recesses 8 and the insertion recesses 28, the ease of mounting of the fastener 5 and the reliable fixability to the roof plate 3a at the lower end of the fastener 5 can be made compatible. have.

Here, when attaching the roof board 3 by the above-mentioned method, generally, the rear end of the roof board 3a is arrange | positioned so that it may be in close contact with the upper surface of the roof base part 4. Therefore, the space for inserting the lower piece 6 of the fastener 5 below the roof plate 3a is not formed. However, in the present invention, the locking plate 8 is provided on the bottom surface of the rear end of the roof plate 3a. Thus, as shown in FIG. 2B, a space 8a is formed between the locking recess 8 and the roof base portion 4. The lower piece 7 is inserted into the rear end of the lower surface of the roof plate 3a through this space 8a. Therefore, the fastener 5 can be fixed to the rear end of the roof plate 3a via the lower piece 7 and the restraining piece 29.

In addition, FIG.2 (b) has shown the fixed state to which the fixture 5a and the roof plate 3a were fixed. As shown in the figure, the locking piece 14 is locked to the edge 27 so that the lower surface of the fastener 5a is fixed to the lower surface of the roof plate 3a. Therefore, the lower piece 7 can be prevented from falling out of the locking recesses 8. That is, the fastener 5 can be fixed to the roof board 3b reliably, and the roof board 3a and the roof board 3b can be reliably connected by this.

6A is a cross-sectional view showing an overlapping state of the connecting piece 1 and the connecting piece 2 of the roof plate 3 arranged on the left and right. As shown in the figure, the projection piece 13 is formed in the lower surface of the connecting piece 2. As shown in FIG. 5, first, the roof plate 3a is mounted to the roof base portion 4. Next, the roof plate 3b is mounted so as to overlap the rear end of the roof plate 3a. Subsequently, as shown in FIG. 1, the roof plate 3b is connected by the roof plate 3a and the fixture 5. Thereafter, as shown in Fig. 5, the roof plate 3b is further mounted on the left side of the already mounted roof plate 3b. Thereby, the connecting piece 1 of the roof plate 3b overlaps with the connecting piece 2 of the roof plate 3b located in the left side as shown to FIG. 6 (b). At this time, the locking piece 6 is pressed against the connecting piece 1 to be brought into contact with it. Therefore, the locking piece 6 is reliably hooked to the wall 26 by the projection 13, whereby the locking piece 6 is sandwiched between the connecting piece 1 and the connecting piece 2. Therefore, when the fastener 5 rotates, the locking piece 6 can be prevented from coming off the wall 26. Thereby, the roof plate 3b of the upper end is reliably connected to the roof plate 3a of the lower end by the fastener 5.

And as mentioned above, when attaching the roof plate 3 directly to the roof base part 4 in which the crosspiece 11 is not provided, the roof plate 3 has the nail | penetration hole 20 of the rear end. It is fixed to the roof base part 4 by nails. However, as shown in FIG. 8, when the metal roof support body 31 which supports a roof base part is located in the position corresponding to the nail through-hole of the roof board 3, the roof board 3 is moved by a nail. It cannot be fixed to the roof base 4. Therefore, the roof plate 3 can be fixed to the roof base part 4 using the nail in the position different from the position of the metallic roof support body 31 using the latch 32 shown in FIG. The catching hole 32 consists of the fixing piece 34 in which the nail passage hole 33 was formed, and the locking piece 35 provided in the end of the fixing piece 34. As shown in FIG. The catching piece 35 is formed so that it may be caught by the wall 36 provided in the upper surface of the rear end of the roof plate 3.

Such a locking mechanism 32 is disposed at a position different from the position of the roof support 31 while hanging the locking piece 35 at the rear end of the roof plate 3. Next, the fixing piece 34 is fixed to the roof base part 4 with a nail through a nail through hole. As a result, the locking mechanism 32 is fixed to the roof base portion 4, and the roof plate 3 is fixed to the roof base portion 4.

On the other hand, FIG. 9 demonstrates the case where the roof board 3 is attached to the roof base part 4 using the crossbar 11 provided in parallel with the eave on the roof base part 4. As shown in FIG. 10, the roof plate 3 is disposed on the roof base 4 so that the locking portion 9 is hooked to the crosspiece 11. Next, the roof plate 3 is fixed to the crosspiece 11 by the nail through the nail through hole 20. As a result, the roof plate 3 is fixed to the roof base portion 4 via the crosspiece 11. In this way, when the front end of the roof plate 3 is mounted on the crossbar 11 in a state where the catching portion 9 is caught by the crossbar 11, the bottom surface of the roof plate 3 and the top surface of the crossbar 11 are provided. In between, a space for inserting the lower piece 6 of the fixture is not formed. Therefore, the roof plate 3a and the roof plate 3b cannot be fixed easily using the fixture 5.

Therefore, the roof plate 3 of the present invention is formed such that the leg 10 is mounted on the crosspiece 11 while the locking portion 9 hangs on the crosspiece 11. As described above, the leg 10 protrudes downward from the locking recess 8. In addition, the locking portion 9 is formed to protrude downward from the leg 10. Therefore, as shown in FIG. 11, the space 8b is formed between the lower surface of the locking recess 8 and the upper surface of the crosspiece 11. Therefore, as in the case of FIG. 1 or FIG. 2, the lower piece 7 is inserted through the space 8b while the locking piece 6 of the fastener 5 is fastened to the front end of the connecting piece 1, and the lower piece (7) can be caught by the locking recesses (8). That is, by providing the engaging piece 9 and the leg 10, even in the roof base part 4 in which the crossbar 11 was provided, the front end of the roof plate 3b is fixed by the fastener 5 by the roof plate 3a. It can be connected to the end of.

Next, another Example of this invention is described. Fig. 14 shows the roof plate 3 used in the present embodiment. Similar to the roof plate 3 shown in FIG. 3, the roof plate 3 of the present embodiment is provided with a connecting piece 1 on the left side, a connecting piece 2 on the right side, and a nail through hole ( 20) is installed. In addition, similar to the roof plate 3 shown in FIG. 3, the roof plate 3 of the present embodiment is provided with a locking recess 8, a locking portion 9, a leg 10, and the like. That is, the roof plate 3 of FIG. 14 is comprised similarly to the roof plate 3 shown in FIG. 3 except an external appearance. And this roof board 3 is arrange | positioned at the roof base part 4 on a straight line in the front-back direction, as shown in FIG. In other respects, the roof plate 3 is attached to the roof base portion 4 as shown in FIG. 5.

16 shows the fastener 5 used in this embodiment. Similar to the fastener 5 shown in FIG. 4, the fastener 5 of the present embodiment also includes a longitudinal piece 12, a locking piece 6, a lower piece 7, and a restraining piece 29. The locking piece 6 is formed at the upper end of the vertical piece 12. The lower piece 7 is formed at the lower end of the vertical piece 12. The locking piece 6 and the lower piece 7 extend in the same direction. The other structure of the fastener 5 of this embodiment is also the same as the fastener 5 of FIG.

1 and 2, the front end of the upper roof plate 3b and the rear end of the lower roof plate 3a may be connected to each other using the fasteners 5. That is, as shown in FIG.12 and FIG.13, the latching piece 6 is hooked on the connection piece 1 of the roof plate 3b of the upper end, and the lower piece 7 is hanged on the roof plate 3a of the lower end, and a roof plate (3b) and the roof plate (3a) are connected. 12 and 13 show an example in which the roof plate 3 is attached to the roof base portion 4 where the cross bars 11 are not provided as in FIGS. 1 and 2 described above. However, also in the case of attaching the roof plate 3 to the roof base portion 4 where the crossbar 11 is provided, similarly to Figs. 10 and 11, the upper roof plate 3b is attached to the lower roof plate 3a. Can be connected with fixtures (5).

And also in this embodiment, when the roof plate 3 is disturbed by the metal roof support body 31 and cannot be fixed to a roof base part with a nail, it uses the latch 32 shown in FIG. The plate 3 can be fixed to the roof base 4.

1 is a perspective view showing a part of an embodiment of the present invention.

Fig. 2A is a perspective view showing another part of the embodiment of the present invention.

2B is a cross-sectional view showing still another part of the embodiment of the present invention.

Fig. 3A is a plan view of the upper surface side of the roof plate used in the embodiment of the present invention.

3B is a perspective view of the lower surface side of the roof plate used in the embodiment of the present invention.

4 (a) and 4 (b) are perspective views of a fastener used in the embodiment of the present invention.

5 is an exploded perspective view showing a roof in an embodiment of the present invention.

Fig. 6A is a perspective view showing a part of the lower surface of the roof plate in the embodiment of the present invention.

6B is a cross-sectional view of the connecting portion of the roof plate in the embodiment of the present invention.

Fig. 7A is a perspective view of a fastener used in the embodiment of the present invention.

FIG.7 (b) is a front view of the fastener used by the Example of this invention.

Fig. 8A is a perspective view showing a connected state using the fastener.

FIG. 8B is a front view showing a connected state using the fastener. FIG.

9 is a side view showing a roof in an embodiment of the present invention.

10 is a perspective view of a portion showing another embodiment of the present invention.

11 is an enlarged cross-sectional view of a part of another embodiment of the present invention.

12 is a partial perspective view showing another example of another embodiment of the present invention.

FIG. 13 is an enlarged perspective view of a portion of FIG. 12. FIG.

14 is a perspective view of a roof plate used in another embodiment of the present invention.

15 is an exploded perspective view showing a roof in another embodiment of the present invention.

16 (a) and 16 (b) are perspective views of a fastener used in another embodiment of the present invention.

Claims (6)

A plurality of roof plates which are fixed to the roof base part and arranged up, down, left and right, and the roof plates of the lower end adjacent to one front end portion of the left and right side ends of the roof plate at the upper end; As a connection structure of the roof plate composed of fasteners for joining to the rear end, Each said roof board includes the connection piece in which the side edge part of the said roof board adjacent in the left-right direction overlaps with one side of the left-right side edge part, The fastener is composed of a mounting portion coupled to the rear end of the roof plate of the lower end, the engaging piece is caught on the front end of the connecting piece of the roof plate of the upper end, The mounting portion, the rear end portion of the roof plate is press-fitted and configured to press-fit with the roof plate, the fixture is held on the roof plate of the bottom by the press-fit coupling, roof plate connection structure. The method of claim 1, The roof plate has a locking recess formed at a rear end of the lower surface thereof. And the mounting portion is configured such that a rear end portion formed with a locking recess of the roof plate is press-fitted and press-coupled with the roof plate. The method according to claim 1 or 2, The roof plate includes a corner portion and a locking portion at a rear end thereof, The corner parts are installed extending downwards, The locking portion is configured to be hooked to a crosspiece provided in the roof base portion, and extends downwardly, The roof plate is a connecting structure of a roof plate, the hook portion is configured to be caught by the cross in the state in which the respective portions are mounted on the cross. The method according to any one of claims 1 to 3, The fastener comprises a vertical piece including the locking piece at the upper end, a lower piece extending at a predetermined angle from the lower end of the vertical piece, and positioned between the locking piece and the lower piece, and a suppressing piece extending downward. The lower plate and the restraining piece define the mounting portion, and the rear end portion of the roof plate is press-fitted and press-bonded with the roof plate between the lower piece and the restraining piece. The method of claim 4, wherein The lower piece is a connecting structure of a roof plate, in which a protruding engagement piece configured to be caught by a rear end of the roof plate is formed. The method of claim 4, wherein The roof plate includes an insertion recess in which the lower piece is inserted at a rear end of the lower surface in a temporarily fixed state in which the protruding locking piece is fastened to the connecting piece. When the fastener in the temporarily fixed state is rotated with the contact point between the locking piece and the connecting piece as a point, the locking piece moves from the insertion recess to the locking recess, so that the restraining piece is the roof plate at the lower end. Connection structure of the roof plate, which is in pressure contact with the upper surface of the rear end.

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