JPH09184226A - Curtain wall - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a panel mounting structure which can enhance the appearance of a curtain wall having an opening/closing part and allows easy execution of works at a low cost. SOLUTION: A panel 9 is installed on a mounting part 14 such as a vertical or crosswise framing 6 or a rail member 8 using an elastic gasket 10 and an assisting member 22. The gasket 10 is equipped with an engaging part 34, cover 35, and inserting part 36. In this curtain wall, the appearance of the mullion and transom between the fixed fitting parts to which the panel 9 is secured, is unified with the appearance of the mullion and transom formed between the fixed fitting part and the opening/closing part 4 where a sliding paper door fitted with the panel 9 is installed in such a way as capable of being opened and closed.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a curtain wall which constitutes an outer wall of a building or the like and a panel mounting structure thereof.

[0002]

2. Description of the Related Art In the structure of a curtain wall, in a type (grid type) in which both a cubic portion and a non-visible portion that intersect in a grid pattern in appearance are exposed, and the lattice form is a feature of the outer wall design, there is no cubic portion. It is important to securely support a panel such as a glass plate on a member forming the eye portion, and to make the appearance dimensions of the cubic portion and the non-eye portion visible from the outside substantially the same so that the appearance is unified.

However, conventionally, in the grid type,
In order to make a part of the curtain wall an opening and closing part, if the panel of that part is made into a shoji shape so that it can be opened and closed, many shoji have a frame, so at the opening and closing part, it is a cubic part common to other parts. The screen frame of the shoji overlapped with the eye-less part, and it seemed that the cubic part and the eye-less part were thick only around the opening and closing part, and the whole unified design was destroyed.

In the grid type, a panel may be mounted from the outside by using a gasket. Various types of gaskets of this type have been proposed (Japanese Patent Laid-Open No. 6-
No. 280340, Japanese Utility Model Laid-Open No. 7-25189, etc.), it is important that a large number of panels can be installed quickly, reliably, and at low cost. Such a panel mounting structure is also used when mounting a panel on a frame such as a shoji, and is widely used not only for curtain walls.

[0005]

SUMMARY OF THE INVENTION It is an object of the present invention to improve the appearance of a curtain wall having an opening / closing portion, and to provide a panel mounting structure which is easy to construct and low in cost.

[0006]

[Means for Solving the Problems]

[Structure of Curtain Wall] A vertical frame member, a horizontal frame member, a frame, a panel and a gasket are provided, and the vertical frame member and the horizontal frame member form a grid-like section, and a fitting portion or an opening / closing section is provided in the grid-like section. The curtain wall.

The vertical frame member has a vertical frame member A having a panel mounting portion projecting on the outdoor side at a distance in the left-right direction and a panel mounting portion projecting to the outdoor side on one side, and the other side. A vertical frame member B having a frame contact portion and a vertical frame member C having frame contact portions on both sides in the left-right direction.

The horizontal frame member has a horizontal frame member D having panel mounting portions projecting on the outdoor side at intervals in the vertical direction and a panel mounting portion projecting to the outdoor side on one of the upper and lower sides, and a frame on the other side. The types of the horizontal frame member E having a structure having a body contact portion and the horizontal frame members F having frame contact portions on both sides in the vertical direction are provided.

The grid-like section of the fitting portion is an opening whose periphery is a panel mounting portion of the vertical frame member and the horizontal frame member by combining any of the vertical frame members A and B and the horizontal frame members D and E. The panel is attached to this opening and fixed with the gasket attached to the panel attachment part.

The grid-like section of the opening / closing section has an opening whose periphery is a frame contact portion by a combination of any of the vertical frame members B and C and any one of the horizontal frame members E and F, and is formed in the frame body. A shoji screen with a panel fixed with a gasket is attached to this opening so that it can be opened and closed.
The gaskets of the fitting portion and the opening / closing portion have substantially the same shape and size in cross section.

The following configuration may be adopted. Joints having the same width are formed between the gaskets of the adjacent fitting portions, between the fitting portion and the gaskets of the opening / closing portions adjacent thereto, and between the gaskets of the adjacent opening / closing portions, and these joints are continuous at vertical and horizontal intersections. The outer surfaces of the gaskets which are adjacent to each other between the fitting portions, between the fitting portions and the opening / closing portions, and between the opening / closing portions are unified to be substantially the same surface.

[Panel Mounting Structure] A frame member, an auxiliary member, and a gasket are provided. The frame member has a receiving portion and a step wall on the outdoor side, and the auxiliary member has an attaching portion to be superposed on the inner surface of the receiving portion and a restraining portion bent in the in-plane direction of the panel to be attached. The gasket has an engaging portion, a cover portion, and an inserting portion. The mounting portion of the auxiliary member is attached to the receiving portion of the frame member, and the panel is mounted in the panel mounting groove formed by the step wall, the receiving portion, and the restraining portion of the auxiliary member.

The engaging portion of the gasket is locked to the outdoor end of the receiving portion, the inserting portion is inserted between the outer surface of the panel and the inner surface of the restraining portion, and the outer surface of the restraining portion of the auxiliary member is covered by the cover portion. To cover. Can be used for mounting panels on curtain walls.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 9 shows a part of the front surface of a wall composed of a curtain wall (grid type), which is externally divided into a lattice shape by a vertical portion 1 and a seamless portion 2, and a certain portion is struck. The section 3 and the other section are configured as the opening / closing section 4 (triangular sign). It should be noted that in the illustrated embodiment, the opening / closing section 4 is arranged for convenience of description and may differ from the actual case. The curtain wall includes a vertical frame member 5, a horizontal frame member 6 (see FIG. 7), a frame contact member 7, a frame body 8 (see FIG. 5), a panel 9 and a gasket 10 (see FIG. 1). In addition,
The panel 9 is fixed in the insulting portion 3 and cannot be opened / closed, and in the opening / closing portion 4, the panel 9 is attached to the frame 8 so that the shoji 1
1 (see FIG. 5), the shoji 11 can be opened and closed.

Looking at the relationship between the fitting portion 3 and the opening / closing portion 4 in the curtain wall, the portion where the fitting portion 3 and the opening / closing portion 4 are adjacent to each other in the vertical direction (cross section AA in FIG. 9, FIG. 1) is fitted in the vertical direction. The part where the killing part 3 is adjacent (the same, BB cross section, FIG. 2), the part where the opening / closing part 4 is adjacent to the top and bottom (the same, CC cross section, FIG. 3), the part where the killing part 3 is adjacent to the left and right (Same as D
-D cross-section, Fig. 4), the part where the fitting portion 3 and the opening / closing part 4 are adjacent to each other on the left and right (the same EE cross-section, Fig. 5) and the opening / closing part 4 on the left and right.
Are adjacent to each other (the same, FF cross section, FIG. 6). It should be noted that although there is a portion where the fitting portion 3 and the opening / closing portion 4 are adjacent to each other with their left and right sides reversed, the description thereof will be omitted and will be omitted.

The vertical frame members 5 are vertically arranged at regular intervals,
The horizontal frame members 6 are attached between the vertical frame members 5 at regular intervals to form a grid-shaped section by the vertical frame members 5 and the horizontal frame members 6 in a front view. The vertical frame member 5 is an extruded material of aluminum alloy, and has the same cross section in the longitudinal direction and has a rectangular cross section as shown in FIG.
The basic structure is that it has panel mounting portions 13, 13 that project on the outdoor side of the main body portion 12 at a distance in the left-right direction.

The vertical frame member 5 is processed according to its location depending on whether the grid-like section is formed in the fitting portion 3 or the opening / closing portion 4. That is, the vertical frame member 5 includes the panel mounting portions 13 that project to the outdoor side of the main body portion 12 at intervals in the left-right direction.
A structure having 13 is a basic structure A, and a basic structure portion 5A
(Vertical frame material A FIG. 4), one side opening / closing part structural portion 5B (vertical frame material B FIG. 5) in which the panel mounting portion 13 on one side is removed and the frame contact member 7 is abutted, and the panel mounting portions 13 and 13. Without
It has a structural portion 5C (vertical frame member C FIG. 6) for both-side opening / closing portions, in which the frame abutting members 7, 7 are attached to both sides. Below, respectively
The vertical frame members 5A, 5B and 5C are called. When collectively referred to, the vertical frame member 5 is used. The vertical frame members 5A, 5B, 5C may be configured as separate members.

The horizontal frame member 6 is an extruded aluminum alloy material and has three cross-sectional shapes. That is, the horizontal frame member 6D (horizontal frame member D) having a structure having the panel mounting portions 14 and 14 projecting to the outside at a distance and the panel mounting portion 14 projecting to the outdoor side are provided on one side of the upper and lower sides. , The frame contact portion 15 on the other side
The horizontal frame member 6E for one side opening / closing part (horizontal frame member E FIG. 1) of the structure having the structure and the frame contact parts 15 on both sides without the panel mounting part,
The type of the horizontal frame member 6F for both-side opening / closing portions (horizontal frame member F) having 15 is provided. Hereinafter, they are referred to as horizontal frame members 6D, 6E, 6F, respectively. When collectively referred to, the horizontal frame member 6 is used.

The horizontal frame member 6E has upper and lower types (FIG. 1), but in any case, it is arranged so that the frame abutting portion 15 is always on the side of the fitting and removing portion 3. The frame abutting member 7 (FIG. 5) is a member that is attached to the side surfaces of the vertical frame members 5B and 5C and fixed to the fastener 18 with screws 19, and includes the tight member 17 on the outdoor side. On the side surface of 5, horizontal frame members 6E, 6
A frame contact portion 16 similar to the frame contact portion 15 in F, etc.
Is configured. When the vertical frame members 5B or 5C are formed as separate members, the frame contact member 7 may be integrally formed.

The frame 8 is provided with the panel 9 and the gasket 1
This is for mounting the shoji 11 by mounting it at 0, and is constructed by assembling the panel mounting portion 13 on the outdoor side and the frame member having the hollow main body portion 21 on the indoor side. Panel mounting part 13
A panel mounting groove 20 is formed at a point and the panel 9 is mounted at this point. The gasket 10 is made of synthetic rubber having high weather resistance, and the shape and various dimensions of the cross section are eliminated.
And the opening / closing section 4 are made equal.

The horizontal frame member 6 is attached to the vertical frame member 5 to form a grid-like section. At this time, the grid-like section of the fitting portion 3 is a panel mounting portion 13 of the vertical frame member 5 and the horizontal frame member 6 with the periphery being a combination of either the vertical frame members 5A and 5B and the horizontal frame members 6D and 6E. , 14 to have openings. Then, the panel 9 is attached to this opening and the panel mounting portion 13,
Fix with the gasket 10 attached to 14.

Similarly, the lattice-shaped section of the opening / closing section 4 is an opening whose periphery becomes the frame contact sections 15 and 16 by the combination of either the vertical frame members 5B and 5C and the horizontal frame members 6E and 6F. Shall have. Then, a gasket 10 is attached to the frame 8.
The shoji screen 11 to which the panel 9 is fixed is attached to this opening so as to be openable and closable.

A specific description will be given. In a portion where the fitting portion 3 and the opening / closing portion 4 are adjacent to each other in the vertical direction (FIG. 1), the horizontal frame member 6E is on the upper and lower sides of the lattice-shaped section forming the opening / closing portion 4, and the vertical frame member 5B and the frame contact member are on the left and right sides. 7 (FIG. 4), the horizontal frame member 6E and the vertical frame member 5B are assembled with the frame body contact portion 15 and the frame body contact member 7 as the inner peripheral side of the grid-shaped section. That is, since the frame contact member 7 provides the frame contact portion 16, in the grid-like section forming the opening / closing part 4, there is an opening around which the frame contact portions 15 and 16 are formed. And shoji 1 in this opening
Wear 1. In this embodiment, the shoji 11 is in the form of a projecting window in which the lower side is rotatably attached to the horizontal frame member 6E with the horizontal axis, and the upper side is pushed out and opened to the outdoor side.

The part where the dead-end parts 3 are adjacent to each other at the top and bottom (FIG. 2)
Then, the upper and lower sides of the grid-shaped section that constitutes the fitting portion 3 are horizontal frame members 6D, and the left and right are vertical frame members 5A (FIG. 4) or vertical frame members 5B. These horizontal frame members 6D and vertical frame members 5A , 5B are assembled with the panel mounting portions 13 and 14 respectively having on the outdoor side as the inner peripheral side of the grid-like section. That is, in the lattice-shaped section forming the fitting portion 3, the periphery is the panel mounting portion 1.
There are openings 3 and 14, and the panel 9 is fixed to the openings with the gasket 10.

In the portion where the opening / closing portions 4 are adjacent to each other in the upper and lower portions (FIG. 3), the horizontal frame members 6 at the portions where the opening and closing portions 4 are adjacent are the horizontal frame members 6F for the both-side opening / closing portions, and the fitting portions in the upper and lower portions. 3 and the opening / closing part 4 are the same as the structure of the adjacent part (FIG. 1). A vertical frame member 5A having a basic structure is arranged at a portion (FIG. 4) where the fitting portions 3 are adjacent to each other on the left and right.

A vertical frame member 5B for one side opening / closing portion is arranged at a portion (FIG. 5) where the fitting portion 3 and the opening / closing portion 4 are adjacent to each other on the left and right. The vertical frame member 5B is obtained by removing the panel mounting part 13 on the opening / closing part 4 side from the vertical frame member 5A of the basic structure. Then, in this case, the frame contact member 7 is attached to the side surface of the opening / closing part 4 of the main body 12 in the vertical frame member 5B, fixed to the fastener 18 with the screw 19, the tight material 17 is attached, and the frame contact part 16 is attached. And

A vertical frame member 5C for both-side opening / closing portions is arranged in a portion where the opening / closing portions 4 are adjacent to each other on the left and right sides (FIG. 6). Vertical frame material 5C
Is the panel mounting portion 1 on both sides from the vertical frame member 5A of the basic structure.
3 and 13 are removed and only the main body 12 is formed.
Then, the frame contact members 7 are attached to the left and right side surfaces of the main body 12 and fixed to the fasteners 18 with the screws 19. The frame abutting members 7 on both sides are provided with the tight material 17 and are attached to the frame abutting portion 1
It becomes 6.

In the fitting portion 3, the panel 9 engages the auxiliary member 22 of the gasket 10 attached to the peripheral panel attaching portions 13 and 14 forming the opening and the main body portion 12 on the outdoor side, and the indoor side. Frame 2 in which the fastener is engaged with the fastener 18 side
It is mounted in the panel mounting groove 24 formed between 3 and is securely fixed by the gasket 10.

In the opening / closing section 4, the panel 9 is mounted in the panel mounting groove 20 of the frame body 8 and fixed by the gasket 10. The curtain wall configured in this way,
Gaskets 10 surrounding the respective grid-shaped sections appear, and the gaskets 10 are formed between the adjacent fitting portions 3, between the fitting portions 3 and the opening / closing portions 4 adjacent thereto, and between the adjacent opening / closing portions 4, respectively. Become.

When these curtains 10, 10 as a whole have the appearance of the curtain wall, they form a vertical portion 1 in the vertical direction and a seamless portion 2 in the horizontal direction. Since the upright portion 1 and the unseated portion 2 are composed of the double-sided gaskets 10, 10, they have joints 25 extending in the longitudinal direction at the center. The joints 25 have the same width between the gaskets 10 of the adjacent fitting portions 3, between the fitting portion 3 and the gaskets 10 of the opening / closing portions 4 adjacent thereto, and between the gaskets 10 of the adjacent opening / closing portions 4. Joint 25
Are continuous at vertical and horizontal intersections.

Left and right gaskets 1 forming the cubic portion 1
The outer surfaces of the gaskets 0 and 10 and the outer surfaces of the upper and lower gaskets 10 and 10 that form the seamless portion 2 are on the same plane so as not to come in and go out indoors and outdoors.

Concrete structure of gasket 10 and panel 9
The mounting structure will be described using the horizontal frame member 6E as a model (FIG. 8). This structure uses the auxiliary member 22, and regarding the gasket mounting structure, the vertical frame member 5, the horizontal frame member 6, and the frame 8 are used.
Common in.

The panel mounting portion 14 has a step wall 26 on the outdoor side and a receiving portion 27 protruding from the lower edge thereof to the outdoor side.
Engaging fins 28 (a, b) bent in a hook shape are formed on the upper surface side of the receiving portion 27 near the outdoor side, and the outdoor side end portion of the receiving portion 27 projects downward. Collision Article 29
Are formed.

The auxiliary member 22 has a mounting portion 30 mounted on the upper surface of the receiving portion 27 in a superposed manner, and a restraining portion 31 bent upward. On the lower surface of the mounting portion 30, locking fins 32 (a, b) that mesh with the engaging fins 28 (a, b).
Is formed in the shape of a hook bent to the outdoor side, and the leading edge of the restraining portion 31 is a locking portion 33 slightly bent to the indoor side. The gasket 10 has an engagement portion 34, a cover portion 35, and an insertion portion 36.

For attachment, first, the gasket 10 is engaged with the outer surface side of the auxiliary member 22, and the cover member 35 is used to attach the auxiliary member 22.
Covering the outer surface of the restraining portion 31, and then the auxiliary member 22 in the receiving portion 27 and the locking fins 32 (a,
b) The panel mounting groove 24 is formed by engaging and mounting the engaging fins 28 (a, b) of the receiving portion 27 with the stepped wall 26 of the panel mounting portion 14, the receiving portion 27 and the restraining portion 31 of the auxiliary member 22. To do.

The edge portion of the panel 9 is arranged in the panel mounting groove 24, and the engaging portion 34 of the gasket 10 is locked to the engaging protrusion 29 at the outdoor end of the receiving portion 27. Then, the insertion portion 36 is inserted between the outer surface of the panel 9 and the inner surface of the restraining portion 31 of the auxiliary member 22. The insertion portion 36 springs between the restraining portion 31 and the panel 9 and causes the panel 9 to move toward the step wall 2
Fix between 6 and. At the same time, the mounting state of the auxiliary member 22 to the panel mounting portion 14 is ensured.

In this embodiment, the auxiliary member 2
2 are used in the fitting portion 3 at positions corresponding to the three sides of the panel 9 excluding the upper side, and the upper side is fixed only by the gasket 10. The structure shown and described is only one embodiment of the present invention. The shoji screen 11 may be in the form of an extrusion window, a flashing window, or a rotating window (vertical axis, horizontal axis). The gasket mounting structure can be used not only for curtain wall panel mounting, but also for shoji panel mounting in ordinary sashes.

[0038]

According to the first aspect of the invention, the upright portion and the seamless portion appearing on the curtain wall are unified through the fitting portion and the opening / closing portion, and the appearance of the curtain wall having the opening / closing portion is improved. Further, since the gasket standard is unified, the component management cost is reduced.

According to the structure of claim 2, the cubic portion,
The unoccupied part has a uniform found width, further improving the appearance of the curtain wall. According to the structure described in claim 3, since the outer surface of the gasket does not come in and out, the appearance of the curtain wall is further improved.

According to the structure described in claim 4, since the gasket has the engagement portion engaged with the tip of the panel mounting portion, and the insertion portion is simply inserted between the panel and the auxiliary member.
Panel mounting operation is easy. Further, the panel and the auxiliary member are attached to the panel mounting portion by the elastic force exerted by the insertion portion of the gasket. At this time, the gasket is attached to the panel mounting portion side by the engaging portion separately from the auxiliary member. Therefore, the panel is securely attached without falling off together with the auxiliary member.

Further, since the auxiliary member is attached to the panel mounting portion, the auxiliary member prevents the panel from falling even if the gasket formed of silicon rubber or the like is melted by fire heat. To be done. Furthermore, since the gasket only needs to have the engaging portion, the cover portion, and the inserting portion, the cross-sectional shape is simple, the amount of material is small, and the gasket can be provided at low cost. According to the configuration of claim 5, the gasket can be easily attached and the cost of the gasket is low, so that the construction cost of the curtain wall as a whole can be reduced.

[Brief description of the drawings]

1 is a sectional view taken along line AA in FIG.

FIG. 2 is a sectional view taken along line BB in FIG.

FIG. 3 is a sectional view taken along line CC of FIG.

4 is a cross-sectional view taken along the line DD in FIG.

5 is a sectional view taken along line EE in FIG.

6 is a sectional view taken along line FF in FIG.

FIG. 7 is a perspective view showing an intersection of a vertical frame member and a horizontal frame member.

FIG. 8 is an enlarged sectional view showing a gasket mounting portion.

FIG. 9 is a front view showing the appearance of the curtain wall (part).

[Explanation of symbols]

 1 Vertical part 2 Eyeless part 3 Fitting part 4 Opening / closing part 5 Vertical frame material (generic) 5A Vertical frame material (basic structure part) 5B Vertical frame material (structure part for one side opening / closing part) 5C Vertical frame material (for both side opening / closing parts) Structure part 6 Horizontal frame material (general name) 6D Horizontal frame material 6E Horizontal frame material (for one side opening / closing part) 6F Horizontal frame material (for both side opening / closing parts) 7 Frame contact member 8 Frame 9 Panel 10 Gasket 11 Shoji 12 Main body 13 Panel mounting part (vertical frame material) 14 Panel mounting part (horizontal frame material) 15 Frame contact part (horizontal frame material) 16 Frame contact part (by frame contact member) 17 Tight Material 18 Fastener 19 Screw 20 Panel mounting groove (shoji) 21 Main part 22 Auxiliary member 23 Support frame 24 Panel mounting groove (fitting part) 25 Joint 26 Step wall 27 Receiving part 28 (a, b) Engaging fin 29 Engaging Projection portion 30 Mounting portion 31 Restraint portion 32 (a, b) Locking fin 33 engaging portion 34 engaging portion 35 cover portion 36 spigot

Claims (5)

[Claims] 1. A vertical frame member, a horizontal frame member, a frame, a panel, and a gasket, wherein the vertical frame member and the horizontal frame member form a grid-like section,
A curtain wall provided with a fitting portion or an opening / closing portion in a grid-like section, in which a vertical frame member has a panel mounting portion that projects at a distance in the left-right direction on the outdoor side, and the vertical frame material projects on the outdoor side on one side. A type of vertical frame member B having a panel mounting portion on one side and a frame contact portion on the other side and a vertical frame member C having frame contact portions on both sides in the left-right direction are provided. The material has a horizontal frame member D having panel mounting portions projecting on the outdoor side at an interval in the vertical direction and a panel mounting portion projecting to the outdoor side on one of the upper and lower sides, and a frame contact portion on the other side. The horizontal frame member E and the horizontal frame member F having frame contact portions on both sides in the vertical direction are provided, and the grid-like partition of the fitting portion is either the vertical frame member A or B and the horizontal frame member D. In any combination of E, the periphery has an opening that serves as a panel mounting portion for the vertical frame member and the horizontal frame member, and the panel is provided in this opening. It is mounted and fixed with a gasket attached to the panel mounting part, and the lattice-shaped section of the opening and closing part is a combination of either vertical frame members B and C and horizontal frame members E and F. There is an opening that serves as a contact part, and a shoji with a panel fixed to the frame with a gasket is attached to this opening so that it can be opened and closed.The gasket of the fitting part and the opening and closing part has almost the same shape and dimensions in cross section. A curtain wall characterized by being present. 2. Joints having the same width are formed between the gaskets of the adjacent fitting portions, between the fitting portions and the gaskets of the opening / closing portions adjacent thereto, and between the gaskets of the adjacent opening / closing portions, and these joints are intersected vertically and horizontally. The curtain wall according to claim 1, wherein the curtain wall is continuous. 3. The outer surfaces of the gaskets that are adjacent to each other between the fitting portions, between the fitting portions and the opening / closing portions, and between the opening / closing portions, are unified and all have substantially the same surface.
Alternatively, the curtain wall according to claim 2. 4. A frame member, an auxiliary member, and a gasket, wherein the frame member has a receiving portion and a step wall on the outdoor side, and the auxiliary member overlaps with an inner surface of the receiving portion to attach a mounting portion and a surface of a panel to be mounted. The gasket has an inwardly bent restraining portion, the gasket has an engaging portion, a cover portion, and an inserting portion. The auxiliary member mounting portion is mounted on the frame member receiving portion to restrain the step wall, the receiving portion, and the auxiliary member. The panel is mounted in the panel mounting groove made up of the parts, the engaging part of the gasket is locked to the outdoor end of the receiving part, and the insertion part is inserted between the outer surface of the panel and the inner surface of the restraining part. A curtain wall, characterized in that a cover portion covers the outer surface of the restraining portion of the auxiliary member. 5. The curtain wall according to claim 1, wherein the vertical frame member, the horizontal frame member and the frame member are used as the frame member, and the panel mounting structure according to claim 4 is adopted.