JP5450003B2 - Door panel window structure - Google Patents

Description

The present invention relates to a door panel window structure.

The window structure without a frame is neatly designed and has a good appearance. However, since the door surface material (face plate) and the window frame are fixed by an adhesive, there are problems in durability such as fire resistance. FIG. 11 is a perspective view and a cross-sectional view showing a conventional window structure without a frame. The same reference numerals are given to the same elements as those in the drawings according to the embodiments described later. In this case, the peripheral edge 20 'of the opening of the outdoor side plate is bent. However, if pressure acts on the outdoor side plate from the inside or heat acts in the event of a fire, the outdoor side plate is pushed outward. There is a risk of deformation.

Patent Document 1 discloses a window frame in which the space portion is provided between the front and back plates in order to form a window portion by fitting a plate body such as glass in a space portion penetrating the front and back plates constituting the panel body. On the other hand, the window portion is composed of a prospective surface portion obtained by bending the edges of the front and back plates facing each other in a prospective direction, and a locking piece that is provided at the front end of the prospective surface portion and is bent and locked to the window frame. The window structure of the panel body characterized by being comprised is disclosed. However, the window structure of the panel body disclosed in Patent Document 1 has the following problems in the door panel manufacturing process.

In the process of processing the door panel provided with the window portion, a back gauge is used for positioning the processing position of the door panel. As shown in FIG. 10, the back gauge B is positioned by moving upward from the opening corresponding to the window portion of the door panel placed on the processing table W, and the tip of the back gauge B abuts against the peripheral edge of the opening of the face plate. Since there are various modes for the position and the size of the window portion in the door panel, the plurality of back gauges B do not always hit the locking piece 21 'before being bent. Position adjustment was required, and the manufacturing efficiency of the door panel was poor.

JP 2009-133080 A

An object of the present invention is to provide a door panel window structure that can smoothly perform positioning using a back gauge at the time of processing a door panel and is excellent in fire resistance.

The technical means adopted by the present invention is that the window frame is provided in a quadrilateral shape so as to surround the window openings formed in the indoor side plate and the outdoor side plate between the outdoor side plate and the indoor side plate of the door panel,
The peripheral edge of the window opening of the indoor side panel and the peripheral edge of the window opening of the outdoor side panel are bent so as to contact the window frame, respectively, and the window is formed in a concave groove formed in a quadrilateral shape on the window frame. In the door panel window structure that is fitted with the panel,
The window frame includes an outdoor side finding piece, and the concave groove is formed inside the outdoor side finding piece,
The peripheral portion of the outdoor side plate is located on the base end side of each bent piece, a base provided over the entire circumference, a bent piece extending along the four sides of the base except for the four corners, and A plurality of long holes drilled at intervals in the circumferential direction of the base,
The entire periphery of the outdoor side plate is bent in the expected direction, and each bent piece is further bent into the concave groove on the base end side, and the window frame of the window frame is formed by the outdoor side plate and each bent piece. It is the window structure of a door panel comprised so that an outer side finding piece may be inserted | pinched.

  In one aspect, the bent piece is formed by punching the plurality of long holes so as to leave a connecting portion between the bent piece and the base portion in the outdoor side plate, and the connecting portion and the By further cutting away the corner formed by the base, the base end of the connecting portion is formed narrow.

  In one aspect, each bending piece is a long piece extending over the entire length excluding the upper and lower sides of the base portion of the peripheral portion and the corners of the left and right vertical sides. Alternatively, each long piece corresponding to the upper side, the lower side, and the left and right vertical sides may be divided to form a bent piece from a plurality of pieces. In this case, the divided pieces are close to each other so that no gap is formed between the divided pieces so that the tip of the back gauge enters.

In the present invention, after the door panel is molded, the outdoor side finding piece of the window frame is sandwiched by folding the bent piece at the peripheral edge of the outdoor side plate so that the outdoor side plate is placed outside by the pressure from the inside. Even if it tries to open, the bent piece sandwiches the outdoor side finding piece of the window frame, so that the deformation of the outdoor side plate opening to the outside can be suppressed. Accordingly, the outdoor side plate can be prevented from being deformed and opened to the outside due to heat at the time of fire, and the fireproof performance can be improved.

In the present invention, the peripheral portion of the outdoor side plate includes a base provided over the entire periphery and bent pieces extending along the four sides of the base except for the four corners. Even when the positions of the provided positions and the dimensions of the window portions are different, since the plurality of back gauges all come into contact with the bent pieces before being bent, positioning can be performed satisfactorily.

It is an indoor side front view of the door panel provided with the window part. The upper diagram is a longitudinal sectional view of the window portion of FIG. 1, and the lower diagram is a transverse sectional view of the window portion of FIG. It is a fragmentary view including the opening O for windows of an indoor side plate, and its peripheral part (state before bending process). It is a fragmentary view including the opening O for windows of an outdoor side plate, and its peripheral part (state before bending process). FIG. 5 is a partial view including a window opening O ′ (peripheral edge is bent) on the indoor side (outdoor side) surface portion. It is the fragmentary perspective view and cross-sectional view which show the window structure which concerns on this invention, and shows the state before the bending piece of the peripheral part of an outdoor side plate is bent. It is the fragmentary perspective view and cross-sectional view which show the window structure which concerns on this invention, and shows the state after the bending piece of the peripheral part of an outdoor side plate was bent. (A) The enlarged view of the base end part of a strip, (B) is the enlarged view of the base end part of the strip which concerns on other embodiment, (C) is the elements on larger scale of FIG. It is a figure which shows positioning of the door panel (this invention) using a back gauge. It is a figure which shows positioning of the door panel (patent document 1) using a back gauge. It is the fragmentary perspective view and cross-sectional view which show the conventional window structure.

1 is an indoor side front view of a door panel provided with a window portion. FIG. 2 is a vertical sectional view of the window portion of FIG. 1, and FIG. 2 is a horizontal sectional view of the window portion of FIG. . The door panel includes a door frame (not shown) that forms four rounds of a rectangular door in front view, an indoor side plate 1, an outdoor side plate 2, an indoor side plate 1, and an outdoor side plate 2 attached to the door frame. And a core material 3 such as a honeycomb core filled in the space. The indoor side plate 1 and the outdoor side plate 2 are thin steel plates, and are bonded to the core member 3 via an adhesive, and the end surface of the door panel is formed by bending the periphery. The indoor side plate 1 and the outdoor side plate 2 are formed with window openings O (see FIGS. 3 and 4) by punching out portions corresponding to the window portions.

The window portion includes a quadruple window frame including upper and lower frames 4 and 5 and left and right vertical frames 6 and 7, and a window panel 8 such as a glass plate fitted in the window frame. The window frame is provided between the indoor side plate 1 and the outdoor side plate 2 so as to surround the window opening O.

The left and right vertical frames 6 and 7 are each formed with a U-shaped groove G having a cross-sectional view, and the left and right ends of the window panel 8 are fitted into the groove G. More specifically, the vertical frame 6 is formed in a step shape so as to form a groove G inside the indoor side finding piece 60, the outdoor side finding piece 61, and the outdoor side finding piece 61. A prospective piece 62. Similarly, the vertical frame 7 includes an indoor side finding piece 70, an outdoor side finding piece 71, and a prospecting piece 72 formed in a step shape so as to form a concave groove G inside the outdoor side finding piece 71. And.

The upper and lower frames 4, 5 are each provided with a pressing edge 9, thereby forming concave grooves G into which the upper and lower ends of the window panel 8 are fitted. More specifically, the upper frame 4 includes an indoor side finding piece 40, an outdoor side finding piece 41, a horizontal shape that connects the lower end of the indoor side finding piece 40 and the upper end of the outdoor side finding piece 41. And the pressing edge 9 is fixed to the indoor side portion of the prospecting piece 42 with a screw 90 so as to face the outdoor-side finding piece 41, and is recessed between the outdoor-side finding piece 41 and the pressing edge 9. A groove G is formed. Similarly, the lower frame 5 includes an indoor side finding piece 50, an outdoor side finding piece 51, and a horizontal expectation piece 52 that connects the upper end of the indoor side finding piece 50 and the lower end of the outdoor side finding piece 51. The pressing edge 9 is fixed to the indoor side portion of the expectation piece 52 with a screw 90 so as to face the outdoor-side finding piece 51, and a concave groove G is formed between the outdoor-side finding piece 51 and the pressing edge 9. Is formed.

FIG. 3 is a partial view including the window opening O of the indoor side plate 1 and its peripheral portion (state before bending). FIG. 4 is a partial view including the window opening O of the outdoor side plate 2 and the peripheral edge thereof (state before bending). A window opening O ′ having a rectangular shape in front view with curved corners as shown in FIG. 5 is obtained by bending the peripheral edge of the window opening O of the indoor side plate 1 and the outdoor side plate 2 along the window frame. Is obtained. The window opening O ′ is formed in a predetermined portion of the door panel so as to penetrate indoors and outdoors, and a window frame is provided around the four sides. In the window frame, the groove G is continuous in a four-round shape, and receives the end of the window panel 8 and fixes it with a fire-resistant putty P or packing.

As shown in FIG. 3, the peripheral portion of the window opening O of the indoor side plate 1 includes a four-circular base 10 provided over the entire periphery of the window opening O, and the base 10 includes an upper side, It consists of a lower side and left and right vertical sides. The peripheral portion is further formed integrally with the horizontal piece 11 integrally formed on the upper side of the base 10, the horizontal piece 12 integrally formed on the lower side of the base 10, and the left and right vertical sides of the base 10 except for the four corners. Vertical pieces 13 and 14. The width dimension of the base 10 is the same dimension over the entire circumference. The width dimension of each piece 11, 12, 13, 14 is the same dimension. Cutouts C for separating the end portions of the pieces 11, 12, 13, and 14 are formed at the end portions of the pieces 11, 12, 13, and 14 in the length direction. The notches C are formed by leaving the base portions 10 at the four corners of the peripheral edge of the window opening O of the indoor side plate 1 so that the peripheral edge can be bent easily and satisfactorily. The indoor side plate 1 having a window opening O and a peripheral edge as shown in FIG. 3 can be formed by punching a thin steel plate.

At the time of processing the door panel, the peripheral portion of the window opening O of the indoor side plate 1 as shown in FIG. 3 obtained by punching the steel plate is bent in the expected direction. More specifically, by bending the horizontal pieces 11 and 12 and the vertical pieces 14 and 13 together with the base portion 10 by approximately 90 degrees, a window opening O ′ as shown in FIG. 5 is obtained. The indoor side plate 1 is bonded to the door frame, indoor side finding pieces 40, 50, 60, 70 and the core material 3 of the window frame with the peripheral edge of the window opening O bent in the expected direction. . The state where the peripheral edge portion is bent is also shown in FIGS. 2, 6, and 7.

As shown in FIG. 4, the peripheral portion of the window opening O of the outdoor side surface plate 2 includes a four-round base 20 provided over the entire periphery of the window opening O, and the base 20 includes an upper side, It consists of a lower side and left and right vertical sides. The peripheral portion is further formed integrally with the horizontal piece 21 integrally formed on the upper side of the base 20, the horizontal piece 22 integrally formed on the lower side of the base 10, and the left and right vertical sides of the base 20 except for the four corners. Vertical pieces 23 and 24. The width dimension of the base 20 is the same dimension over the entire circumference. The width dimension of each piece 21, 22, 23, 24 is the same dimension. Cutouts C for separating the end portions of the respective pieces 21, 22, 23, 24 are formed at end portions in the length direction of the respective pieces 21, 22, 23, 24. By forming the notches C leaving the bases 20 at the four corners of the peripheral edge of the window opening O of the outdoor side plate 2, the peripheral edge can be bent easily and satisfactorily.

In each piece 21, 22, 23, 24, a plurality of long holes 200 are formed in the circumferential direction of the base portion 20 (the length direction of each piece 21, 22, 23, 24). Has been. That is, each piece 21, 22, 23, 24 and the base portion 20 are connected by using a plurality of strips 201 as a connecting portion, and each piece 21, 22, 23, 24 is easily bent at the strip 201. It is a bent piece that can be

Further, as shown in FIGS. 8A to 8C, by forming the notch portions 202 on both sides of the base end portion of each strip 201, the base end portion of each strip 201 is further narrowed. It has become. In FIG. 8A, a circular notch 202 is formed at the proximal end of the strip 201. In FIG. 8B, a triangular notch 202 is formed at the base end of the strip 201. By forming a notch 202 at the base end of each strip 201 to make it narrow, each strip 21, 22, 23, 24 can be more easily folded at the strip 201, and folded. The finish afterwards is also good.

The outdoor side plate 2 having the window opening O and the peripheral edge as shown in FIG. 4 can be formed by punching a thin steel plate.

At the time of processing the door panel, the peripheral portion of the window opening O of the outdoor side plate 2 as shown in FIG. 4 obtained by punching the steel plate is bent in the expected direction. More specifically, the horizontal pieces 21 and 22 and the vertical pieces 23 and 24 are bent 90 degrees together with the base 20. The outdoor side plate 2 is adhered to the door frame, the outdoor side finding pieces 41, 51, 61, 71 of the window frame, and the core member 3 with the peripheral edge of the window opening O bent in the expected direction. The state shown in FIG. 6 is obtained.

From the state of FIG. 6, each piece 21, 22, 23, 24 is, in the thin piece 201, an outdoor side finding piece 41 of the upper frame 4, an outdoor side finding piece 51 of the lower frame 5, and the vertical frames 6, 7. By further bending approximately 90 degrees until it comes into contact with the back surfaces of the outdoor side finding pieces 61 and 71, the state shown in FIG. 7 is obtained, and a window opening O ′ as shown in FIG. 5 is obtained. The state where the peripheral edge portion is bent is also shown in FIG.

As described above, the outdoor side plate 2 is formed by bending each piece 21, 22, 23, 24 on the peripheral edge of the window opening O so as to sandwich the outdoor side finding pieces 41, 51, 61, 71 of the window frame. Attached to the window frame. In this way, after molding the door panel, the folding pieces on the peripheral edge of the outdoor side plate 2, that is, the respective pieces 21, 22, 23, and 24 are bent into the concave grooves G, thereby finding the outdoor side of the window frame. Since the pieces 41, 51, 61, 71 are sandwiched, the pieces 21, 22, 23, 24 are located on the outdoor side of the window frame even when the outdoor side plate 2 is opened outward by pressure from the inside. Since 41, 51, 61 and 71 are sandwiched, it is possible to prevent the outdoor side plate 2 from being deformed and opened outward. Accordingly, the outdoor side plate can be prevented from being deformed and opened to the outside due to heat at the time of fire, and the fireproof performance can be improved. Further, since the bent pieces, that is, the pieces 21, 22, 23, and 24 are long pieces extending along the base 20 at the peripheral edge, the strength of sandwiching the outdoor-side finding pieces 41, 51, 61, and 71 is also high. Therefore, the strength against deformation is large.

When processing the door panel (bending the peripheral edge of the window opening O), a back gauge is used for positioning the processing position of the door panel. As shown in FIG. 9, the back gauge B is positioned by moving upward from the opening corresponding to the window portion of the door panel placed on the processing table W, and the tip of the back gauge B abuts against the peripheral edge of the opening of the face plate. The horizontal piece 21 is a long piece having the same width and extending along the base portion 20 of the peripheral portion. Therefore, even if the position where the window portion is provided on the door panel and the size of the window portion are different, a plurality of pieces are provided. Since all the back gauges B abut against the horizontal piece 21 before being bent, positioning can be performed satisfactorily.

DESCRIPTION OF SYMBOLS 1 Indoor side plate 2 Outdoor side plate 3 Core material 4 Upper frame 41 Outdoor side finding piece 5 Lower frame 51 Outdoor side finding piece 6 Vertical frame 61 Outdoor side finding piece 7 Vertical frame 71 Outdoor side finding piece 8 Window panel 20 base 21 horizontal piece 22 horizontal piece 23 vertical piece 24 vertical piece 200 long hole 201 narrow piece 202 notch O opening for window

Claims (2)

Between the outdoor side plate and the indoor side plate of the door panel, a window frame is provided in a four-round shape so as to surround the window opening formed in the indoor side plate and the outdoor side plate,
The peripheral edge of the window opening of the indoor side panel and the peripheral edge of the window opening of the outdoor side panel are bent so as to contact the window frame, respectively, and the window is formed in a concave groove formed in a quadrilateral shape on the window frame. In the door panel window structure that is fitted with the panel,
The window frame includes an outdoor side finding piece, and the concave groove is formed inside the outdoor side finding piece,
The peripheral portion of the outdoor side plate includes a base provided over the entire circumference, and bent pieces extending along the four sides of the base except for the four corners , and each bent piece is a portion of the base. It is a long piece extending at the same width over the entire length excluding the corners of the upper side, the lower side, and the left and right vertical sides, which are the four sides, and the length of each folded piece is at the end in the longitudinal direction of each folded piece. Notches for separating the direction end portions are formed, and a plurality of long holes are formed at intervals in the length direction of each folded piece located on the base end side of each folded piece. And
The entire periphery of the outdoor side plate is bent in the expected direction, and each bent piece is further bent into the concave groove on the base end side, and the window frame of the window frame is formed by the outdoor side plate and each bent piece. A window structure of a door panel configured to sandwich an outer finding piece. The bent piece is formed by punching the plurality of long holes so as to leave a connecting portion between the bent piece and the base portion in the outdoor side plate, and is formed by the connecting portion and the base portion. The door panel window structure according to claim 1, wherein a base end portion of the connecting portion is formed to be narrow by further cutting away a corner portion.

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