JP2012193536A - Closure keeping device and fixture - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a closure keeping device capable of improving mounting/demounting working efficiency, and to provide a fixture.SOLUTION: A restricting member 20A is mounted through the indoor side of the fixture on a frame aspect face part 52 of a vertical frame 5 to set a sash 10 in a closed state. Then, the restricting member 20A is moved down so that its locking groove 25 simply locks a stepped machine screw 20B to restrict the opening movement of the sash 10. On the other hand, the restricting member 20A is moved up from the indoor side so that the locking groove 25 unlocks the stepped machine screw 20B, the sash 10 is opened, and the restricting member 20A is simply removed from the vertical frame 5 to cancel the restriction of the sash 10. Thus, both work for mounting the restricting member 20A and work for demounting it can be performed through the indoor side of an outward-opening window 1 to greatly improve working efficiency.

Description

  The present invention relates to a closing maintenance device that maintains the closed state by restricting the opening movement of a face member supported by a frame so as to be freely opened and closed, and a fitting having the closing maintenance device.

Conventionally, in a fitting such as a fall-down window, in which a face material is rotatably supported by the frame body, the face material is incorporated into the frame body at the factory, and then an opening / closing operation part (operator, etc.) is attached at the construction site. In the meantime, there has been proposed a closure maintaining device that regulates the opening movement of the face material relative to the frame body and maintains the closed state (see, for example, Patent Document 1).
The closure maintaining device described in Patent Document 1 is a closure that engages with a main frame having a locking piece that is locked to the upper frame of the frame and a support piece that is formed on the outdoor side of the main frame. And the locking part of the main frame is locked to the indoor side door stop part of the upper frame, and the face member is closed with the supporting part protruding from the outdoor side. By engaging the closing frame with the piece, the closing frame is brought into contact with the outdoor surface of the face material to restrict the opening movement of the face material.

Japanese Patent No. 4541982

  However, in the conventional closure maintaining apparatus as described in Patent Document 1, the main frame is locked to the indoor side of the upper frame and the closing frame is positioned to the outdoor side of the face material. When engaging the closing frame with the frame, it is necessary to perform installation work on both the indoor and outdoor sides of the joinery, and in order to remove the closing maintenance device after installing the opening and closing operation parts etc. at the construction site, It is necessary to perform the disengagement work in the outdoor space. Also, after removing the closing frame from the main frame outdoors, the operator moves to the indoor space or opens the face material while another worker holds the main frame, and then removes the main frame from the upper frame. There must be. As described above, the conventional closure maintaining apparatus has a problem that both the installation work and the removal work are complicated and work time is required, so that the work efficiency is remarkably lowered.

  An object of the present invention is to provide a closure maintaining device and joinery that can improve the work efficiency of attachment and removal.

  The closing and maintaining device of the present invention is a closing and maintaining device that maintains the closed state by restricting the opening movement of the face material that is rotatably supported in the indoor and outdoor directions with respect to the frame, and constitutes the frame A restricting member provided detachably with respect to the frame member to be attached, and a locked portion provided on the face material and engaged with the restricting member, the restricting member including a restricting surface portion extending in the finding direction. An extension surface portion extending from the inner end edge of the regulating surface portion toward the prospective direction, a bent curved surface portion bending outward from the outer end edge of the extension surface portion in the direction of detection, and an outside of the folding surface portion in the direction of finding. The frame material is formed to have a locking surface portion that extends from the end edge to the prospective direction outdoor side and can lock the locked portion, and the frame material includes a frame prospecting surface portion along the prospecting direction, and the frame prospecting surface portion. A frame finding surface portion extending inward in the finding direction, and the face material In the closed state, it has a face material expected surface part facing the frame expected surface part, and a face material finding surface part facing the frame finding surface part from the outdoor side, and the locked part is the face material prospect A locking groove that is provided so as to project outward from the surface portion in the finding direction and that is open substantially orthogonal to the two directions of the prospective direction and the finding direction and that can receive the locked portion is formed in the locking surface portion, After the face material is in a closed state, the regulating member is moved along the longitudinal direction of the frame material, and the locked portion is received and locked in the locking groove, whereby the expected direction of the face material It is configured to be able to regulate the rotation to the outdoor side.

  According to the present invention as described above, the regulating member is attached to the frame member in the open state of the face member, the restricting member is moved along the longitudinal direction of the frame member after the face member is closed, and the retaining groove is covered. The opening movement of the face material can be restricted simply by receiving and locking the locking portion. Also, when releasing the restriction, the face member can be released simply by moving the restriction member in the opposite direction to the above and removing the locked portion from the engaging groove, and the face member can be opened to remove the face member from the frame member. What is necessary is just to remove a control member. Therefore, both the work of attaching and removing the regulating member can be performed from the indoor side in the prospective direction of the frame, and the work efficiency can be greatly improved.

In this case, in the closing maintenance device of the present invention, the restricting surface portion of the restricting member is provided with a cushioning material capable of contacting the indoor side surface of the frame finding surface portion, and the extending surface portion is provided with the frame finding surface portion. It is preferable that a shock-absorbing material capable of contacting the end surface on the inner side in the direction of finding is provided.
According to such a configuration, the cushioning material is provided on the regulation surface portion and the extension surface portion of the regulation member and brought into contact with the frame finding surface portion, thereby preventing the frame finding surface portion from being damaged and the face material in the regulated state. It is possible to prevent the sound produced by the vibrations.

Furthermore, in the closure maintaining device of the present invention, the locked portion is configured by a stepped screw that can be screwed to the face material prospective surface portion from the outside in the direction of finding, and the stepped portion of the stepped screw is the locking portion. It is preferable to be locked in the groove.
According to such a configuration, by configuring the locked portion with the stepped screw, the screwing position of the stepped screw can be set as appropriate, and the protrusion is formed by the projection formed on the face material expected surface portion. While being able to be cheaper than the case where a latching | locking part is comprised, a common control member can be used irrespective of the kind and size of joinery.

  On the other hand, a joinery of the present invention is a joinery comprising a frame, a face material that is rotatably supported in an indoor / outdoor direction with respect to the frame, and any one of the above-described closure maintaining devices, In the open state of the face material, the folding surface portion is positioned on the outdoor side while keeping the regulating surface portion along the indoor side surface of the frame finding surface portion from the inside in the finding direction of the frame body, and the regulating surface portion and the folding surface portion The restricting member is attached to the frame member across the frame finding surface portion, and the restricting member is moved along the longitudinal direction of the frame member in the closed state of the face member, and is received in the locking groove. When the locked portion is locked, the rotation of the face material toward the outdoor side in the prospective direction is restricted.

Here, in the joinery of the present invention, the opening form of the face material with respect to the frame is not particularly limited, and an outward opening form, an overturning form, a protruding form, etc. can be used.
According to the present invention as described above, substantially the same effect as the above-described closure maintaining device, that is, both the work of attaching and removing the regulating member from the indoor side in the prospective direction of the frame body, and the work efficiency is greatly improved. Can be improved.

At this time, in the joinery of the present invention, the airtight material is provided on the outdoor side in the prospective direction of the frame finding surface portion so as to be able to contact the face material finding surface portion, and the restricting member includes the restricting surface portion and the folding surface. The frame finding surface portion and the airtight material are sandwiched between the outer surface of the folded curved surface portion and the indoor side surface of the face material finding surface portion. Are preferably provided facing each other through a gap.
According to such a configuration, the frame finding surface portion and the airtight material are sandwiched between the restriction surface portion and the folded curved surface portion of the restriction member, and the restriction member is held on the frame material by the repulsive force of the airtight material. At this time, since the regulating member does not fall off and it is not necessary for the operator to hold it, the working efficiency can be further improved. In addition, since the gap between the folded curved surface portion and the face material finding surface portion is formed in a state where the regulating member is attached, it is possible to prevent the face material finding surface portion from being scratched or sounded.

It is a front view which shows the fitting which concerns on 1st Embodiment of this invention. It is a cross-sectional view which cuts and shows a part of said fitting. It is a cross-sectional view which shows the attachment procedure of the closure maintenance apparatus in the said fitting. It is a perspective view which shows the attachment procedure of the said closure maintenance apparatus following FIG. It is a front view which shows the fitting which concerns on 2nd Embodiment of this invention. It is a longitudinal cross-sectional view which shows and cross-sections a part of the joinery.

Hereinafter, each embodiment of the present invention will be described with reference to the drawings.
In the second and subsequent embodiments, the same constituent members as those described in the first embodiment and the constituent members having the same functions are denoted by the same reference numerals as those in the first embodiment. Those descriptions are omitted or simplified.

[First Embodiment]
In FIG. 1 and FIG. 2, an exterior window 1 as a fitting of the present embodiment is supported by a window frame 2 as a frame provided in a building opening and an interior surrounded by the window frame 2 so as to be freely opened and closed. And a shoji 10 as a face material. The window frame 2 is constituted by an upper frame 3, a lower frame 4, and left and right vertical frames 5 made of an aluminum material, each having a four-round frame. The shoji 10 is configured by fitting a glass panel 14 inside an upper arm 11, a lower arm 12, and left and right longitudinal rods 13, and the lower portion of the lower arm 12 or the vertical arm 13 is a hinge or a link mechanism. Is supported by the lower frame 4 or the vertical frame 5, and the upper part of the shoji 10 is pivoted and opened to the prospective outdoor side (upper side in FIG. 2), and the prospective indoor side (see FIG. 2) and is closed. In this outside-turning window 1, a closing maintenance device 20 is provided in which the left and right vertical rods 13 are respectively locked to the left and right vertical frames 5 in the upper part of the shoji 10 to restrict the opening movement and to keep the shoji 10 closed. It has been.

  As shown in FIG. 2, the vertical frame (frame member) 5 includes a frame prospective surface portion 51 along the prospective direction, and a frame finding surface portion 52 extending from the frame prospective surface portion 51 to the inside in the finding direction (right side in FIG. 2). An airtight material holding portion 53 formed on the outer side of the front end room of the frame finding surface portion 52 holds an airtight material 5 </ b> A that can come into contact with the vertical rod 13 of the shoji 10. On the other hand, the downspout 13 has a downspout main body 13A made of aluminum, and a pressing edge 13B that engages with the downspout main body 13A and holds the glass panel 14. In the closed state, a face material prospecting surface portion 131 facing the inside of the frame prospecting surface portion 51 in the finding direction and a face material finding surface portion 132 that contacts the airtight material 5A and faces the frame finding surface portion 52 from the outdoor side are formed. Has been.

  As shown in FIGS. 3 and 4, the closing maintenance device 20 is provided on the frame finding surface portion 52 of the vertical frame 5 so as to be detachable, and on the vertical rod 13 of the shoji 10 so as to be attached to the limiting member 20 </ b> A. A stepped screw 20B as a locked portion to be locked is provided. The closing and maintaining device 20 is installed at a factory or the like until the sliding window 10 in which the shoji 10 is rotatably incorporated into the window frame 2 is transported to the construction site and built in the opening, and then an opening / closing operation part such as an operator is attached. This is for maintaining the closed state of the shoji 10 while the rotation of the window frame 2 is not restricted, and the opening / closing operation component is attached at the construction site so that the shoji 10 can be opened and closed. After that, at least the regulating member 20 </ b> A of the closure maintaining device 20 is turned over and removed from the window 1.

  The restricting member 20A is integrally formed by bending from a metal (steel) plate material, and the restricting surface portion 21 extends in the finding direction along the indoor side of the frame finding surface portion 52, and the inner edge of the restricting surface portion 21 in the finding direction. An extended surface portion 22 extending outward from the prospective direction, a folding surface portion 23 that bends outward from the outdoor side edge of the extending surface portion 22 toward the outside in the finding direction (side approaching the frame prospective surface portion 51), and the folding surface portion 23. The engaging surface portion 24 extends from the outer edge in the direction of the sight toward the outdoor side in the prospective direction and extends along the face material prospective surface portion 131. A cushioning material 20C made of a soft material such as rubber is bonded to the surface of the regulating surface portion 21 and the extended surface portion 22 on the frame finding surface portion 52 side. It is comprised so that contact | abutting to a direction inner end surface is possible. As shown in FIG. 4, the locking surface portion 24 has a direction intersecting the extending direction from the lower end edge 241 along the extending direction (the vertical direction, the longitudinal direction of the vertical frame 5 and the vertical rod 13). A locking groove 25 is formed which is notched toward the front, that is, opens substantially perpendicular to the two directions of the prospective direction and the finding direction, and the stepped screw 20B can be locked by the locking groove 25. Yes.

  The stepped screw 20B has a head portion 26, a stepped portion 27 that is smaller in diameter than the head portion 26 and can be inserted into the locking groove 25, and a screw portion 28 that extends from the stepped portion 27. The head 28 and the stepped portion 27 are fixed to the surface material prospective surface portion 131 in a state where the head portion 26 and the stepped portion 27 are projected outwardly by screwing into the surface material prospective surface portion 131 from the outside to the inside in the finding direction. . On the other hand, the locking groove 25 opens to the lower end edge 241 of the locking surface portion 24 and spreads and inclines toward the side away from each other in the opening direction, and the inclined surface 251 extends from the inclined surface 251 to the locking surface portion 24. A pair of guide surfaces 252 extending upward, and a locking portion 253 capable of locking the stepped portion 27 of the stepped screw 20B on the upper side of the pair of guide surfaces 252 are formed. The distance between the pair of guide surfaces 252 is slightly larger than the diameter of the stepped portion 27, and the stepped portion 27 inserted between the guide surfaces 252 is positioned at the locking portion 253 so that the locking groove is formed. 25 to be locked.

The above-described closing maintenance device 20 is attached to the window 1 by turning it over in the procedure shown in FIGS. 3 and 4 and maintains the closed state of the shoji 10.
First, the stepped screw 20B is fixed to the face material expected surface portion 131 of the shoji 10 incorporated in the window frame 2 and the shoji 10 is opened, as shown in FIG. The regulating member 20A is attached to the finding surface portion 52 from the inside in the finding direction on the indoor side. At this time, while the cushioning material 20C of the regulation surface portion 21 is slidably contacted with the indoor surface of the frame finding surface portion 52, the regulating member 20A is pushed in until the cushioning material 20C of the extension surface portion 22 comes into contact with the tip of the frame finding surface portion 52. By pressing the curved surface portion 23 against the airtight material 5A, an urging force is generated by elastic deformation of the airtight material 5A, and the frame finding surface portion 52 and the airtight material 5A are sandwiched between the regulating surface portion 21 and the folded curved surface portion 23. Thereby, even if an operator releases a hand, 20 A of regulation members do not fall, but the attachment state to the vertical frame 5 is hold | maintained.

  Next, the attached regulating member 20A is held at a position avoiding the stepped screw 20B by pushing it up to the upper end side of the vertical frame 5, and the shoji 10 is rotated in the closing direction as shown in FIG. When moved, the locking surface portion 24 is positioned along the face material finding surface portion 132. At this time, the shoji 10 is not completely rotated to the closed position so that the face material finding surface portion 132 of the vertical shaft 13 does not contact the folded surface portion 23, and the face material finding surface portion 132 and the folded curved surface portion 23 are separated. The closing operation of the shoji 10 is stopped and held at the position where the gap is formed. If a cushioning material similar to the cushioning material 20C is provided on the outdoor side surface of the folded curved surface portion 23, the shoji 10 may be rotated to a position where the cushioning material finding surface portion 132 comes into contact with the cushioning material. A gap between the finding surface portion 132 and the folded curved surface portion 23 can be secured. Further, a cushioning material may be provided on the inner surface of the locking surface portion 24 in the direction of finding, thereby preventing damage to the surface material expected surface portion 131 due to sliding contact between the locking surface portion 24 and the surface material expected surface portion 131. can do.

  Next, as shown in FIG. 4, the regulating member 20 </ b> A is lowered from above the stepped screw 20 </ b> B, and the stepped portion 27 is received between the pair of inclined surfaces 251 of the locking groove 25, and then between the pair of guide surfaces 252. And the stepped portion 27 is locked to the locking portion 253. At this time, even if the closing position of the shoji 10 is slightly deviated in the expected direction, the stepped screw 27B is guided by the inclined surface 251 by receiving the stepped portion 27 between the inclined surfaces 251, and the shoji 10 is moved to a predetermined position. Can be pulled to the closed position. By locking the regulating member 20A to the stepped screw 20B as described above, the shoji 10 is maintained in the closed state as shown in FIG. 2, and the opening movement to the outdoor side is regulated, and in this regulated state, The falling-down window 1 conveyed from the factory or the like to the construction site is built in the opening, and then the opening / closing operation component is attached, and then the regulating member 20A is removed.

  The procedure for removing the restricting member 20A from the overturned window 1 is the reverse of the above-described attaching procedure. The restricting member 20A is lifted to release the locking groove 25 from the stepped screw 20B, and then the shoji 10 is opened. Then, the regulating member 20A may be moved inward in the finding direction, pulled out from the frame finding surface portion 52, and the regulating member 20A removed. The stepped screw 20B may be removed by releasing the screwing with the face material locating surface portion 132 using a tool or the like, or if it does not pose a problem for normal use of the overturned window 1, it is not removed. 13 may be left behind.

  According to the present embodiment as described above, the regulating member 20A is attached to the frame finding surface portion 52 of the vertical frame 5 from the indoor side of the fall-down window 1, and the regulating member 20A is lowered after the shoji 10 is in the closed state. The opening movement of the shoji 10 can be restricted only by locking the stepped screw 20 </ b> B with the stop groove 25. On the other hand, the restricting member 20A is lifted from the indoor side to unlock the locking groove 25 and the stepped screw 20B, the shoji 10 is opened, and the restricting member 20A is simply removed from the vertical frame 5 to restrict the shoji 10. It can be canceled. Therefore, both the installation work and the removal work of the regulating member 20A can be performed from the indoor side of the fall-down window 1, and the work efficiency can be dramatically improved.

[Second Embodiment]
Next, an example in which the closing maintenance device 20 is provided in the external opening window 1A as a fitting according to the second embodiment of the present invention will be described with reference to FIGS.
The outer opening window 1A of the present embodiment is configured to include the window frame 2 and the shoji 10 that are substantially the same except that the opening / closing format of the shoji 10 is different from the outer turning window 1 of the first embodiment.
That is, the shoji 10 in the outer opening window 1A is supported by the vertical frame 13 on the left side in FIG. 5 via a hinge or the like, or the upper eaves 11 and the lower eaves 12 via hinges or links. The upper frame 3 and the lower frame 4 are supported by the window frame 2 so as to be pivotable to the outdoor side around a pivot shaft extending vertically. Accordingly, the shoji 10 is opened toward the outdoor side so that the right vertical rod 13 in FIG. 5 is separated from the vertical frame 5, and the vertical rod 13 and the vertical frame 5 are rotated in the approaching direction and closed. It has come to be.

  In the outer window 1A, the upper frame (frame member) 3 includes a frame prospective surface portion 31 along the prospective direction and a frame finding surface portion 32 extending from the frame prospective surface portion 31 to the inside in the finding direction (lower side in FIG. 6). An airtight material holding portion 33 formed on the outer side of the lower end room of the frame finding surface portion 32 holds an airtight material 3 </ b> A that can contact the upper lid 11 of the shoji 10. On the other hand, the upper collar 11 has an upper collar body 11A made of an aluminum shape member and a pressing edge 11B that engages with the upper collar body 11A and holds the glass panel 14, and the upper collar body 11A closes the shoji 10 In the state, there is a face material prospecting surface part 111 that faces the inner side (lower side) of the frame prospective surface part 31 and a face material finding surface part 112 that contacts the airtight material 3A and faces the frame finding surface part 32 from the outdoor side. Is formed. In addition, although description is abbreviate | omitted here, the lower frame 4 and the lower collar 12 also have the structure substantially the same as the upper frame 3 and the upper collar 11 and are formed.

The restricting member 20A of the closing and maintaining device 20 is provided at two upper and lower positions on the door end side (the right side in FIG. 5) of the shoji 10 to lock the upper frame 3 and the upper rod 11, and the lower frame 4 and the lower rod 12 Are provided so as to be locked. That is, the restricting member 20A is attached to the upper frame 3 and the lower frame 4 in a state where the restricting member 20A is rotated by 90 ° around the axis along the prospective direction. By locking the stepped screw 20B fixed to the face material expected surface portion of the collar 12, the opening of the shoji 10 is restricted and the closed state is maintained. Specifically, in a state in which the shoji 10 is opened, the regulating member 20A is attached to the frame finding surface portion 32 of the upper frame 3 from below on the indoor side, and the frame finding surface portion of the lower frame 4 from above indoor side The restricting member 20A is attached. Next, after the shoji 10 is rotated in the closing direction, the restricting member 20A is slid laterally toward the stepped screw 20B, and the stepped portion 27 is inserted into the locking groove 25 to be stepped by the restricting member 20A. By locking the attached screw 20B, the shoji 10 is maintained in a closed state as shown in FIG.
The same effect as that of the first embodiment can be obtained also in the outer opening window 1A of the second embodiment.

In addition, this invention is not limited to the said embodiment, Including other structures etc. which can achieve the objective of this invention, the deformation | transformation etc. which are shown below are also contained in this invention.
For example, in the above-described embodiment, the falling window 1 and the opening window 1A are illustrated. However, the fittings of the present invention are not limited to these windows, and may be windows of various other opening / closing types and opening / closing directions. Good. Specifically, for example, vertical and horizontal extending windows and protruding windows can be exemplified.

  Moreover, in the said embodiment, the closing maintenance apparatus 20 is provided so that it may cross | intersect the door end side edge of the shoji 10 (upper side 11 in the case of the fallen window 1, and the vertical side 13 in the right side in FIG. 5 in the case of the opening window 1A). Frame material (vertical frame 5 for outside window 1, upper frame 3 and lower frame 4 for outside window 1A) and frame material (vertical wall 13 for outside window 1, upper wall 11 and lower wall 12 for outside window 1A) However, the installation position and the number of installation locations of the closure maintaining device 20 are not particularly limited. That is, the closing maintenance device 20 may be provided across the door end side edge and the frame material facing the door edge side, or may be provided at a portion where the opening of the face material can be restricted. Furthermore, the number of installation locations of the closure maintaining device 20 is not limited to two as in the above-described embodiment, but may be one or three or more, and can be set as appropriate according to the size of the joinery and the like. .

  Moreover, in the said embodiment, what was manufactured by bending from the metal plate material was used as the restricting member 20A of the closure maintaining device 20, but the material and manufacturing method of the restricting member are not particularly limited, and required strength. An appropriate member can be selected according to the size. Moreover, although the stepped screw 20B is illustrated as the locked portion in the above embodiment, the locked portion is not limited to this, and the locked portion may be formed integrally with a face material prospecting surface portion such as a vertical gutter or a vertical gutter. . Specifically, a projecting piece is formed on the probable surface portion of the face material, and a configuration in which the retaining groove of the regulating member is engaged with the cutout portion of the projecting piece, or between the two projecting pieces, Any configuration that can regulate the movement of the face material in the expected direction, such as a configuration in which a part is inserted and locked, can be used.

In addition, the best configuration, method and the like for carrying out the present invention have been disclosed in the above description, but the present invention is not limited to this. That is, the invention has been illustrated and described with particular reference to certain specific embodiments, but without departing from the spirit and scope of the invention, Various modifications can be made by those skilled in the art in terms of material, quantity, and other detailed configurations.
Therefore, the description limiting the shape, material, etc. disclosed above is an example for easy understanding of the present invention, and does not limit the present invention. The description by the name of the member which remove | excluded the limitation of one part or all of such restrictions is included in this invention.

  DESCRIPTION OF SYMBOLS 1 ... Falling-down window (joint), 1A ... Outside opening window (joint), 2 ... Window frame (frame body), 3 ... Upper frame (frame material), 4 ... Lower frame (frame material), 5 ... Vertical frame ( Frame material), 10 ... shoji (face material), 20 ... closing maintenance device, 20A ... regulating member, 20B ... stepped screw (locked portion), 20C ... cushioning material, 21 ... regulating surface portion, 22 ... extending surface portion , 23 ... Folded curved surface part, 24 ... Locking surface part, 25 ... Locking groove, 31, 51 ... Frame expected surface part, 32, 52 ... Frame finding surface part, 111, 131 ... Face material expected surface part, 112, 132 ... Face material Finding surface part.

Claims (5)

A closing and maintaining device that maintains the closed state by restricting the opening movement of the face material supported rotatably in the indoor and outdoor direction with respect to the frame body,
A regulating member provided detachably with respect to the frame material constituting the frame body, and a locked portion provided on the face material and latched to the regulating member,
The regulating member includes a regulating surface portion extending in the finding direction, an extending surface portion extending from the inner end edge in the finding direction of the regulating surface portion to the prospective direction outdoor side, and a fold that is bent outward in the finding direction from the outdoor side edge of the extending surface portion. Formed with a curved surface portion and a locking surface portion that extends from the outer edge of the folding curved surface portion to the prospective direction outdoor side and can lock the locked portion,
The frame member has a frame prospect surface portion along the prospect direction and a frame finding surface portion extending inward in the finding direction from the frame prospect surface portion, and the face material faces the frame prospect surface portion in the closed state. A material prospecting surface portion, and a surface material finding surface portion facing the frame finding surface portion from the outdoor side,
The locked portion is provided to project outward from the face material expected surface portion in the direction of finding,
The locking surface portion is formed with a locking groove that opens substantially perpendicular to the two directions of the prospective direction and the finding direction and can receive the locked portion,
After the face material is in a closed state, the regulating member is moved along the longitudinal direction of the frame material, and the locked portion is received and locked in the locking groove, whereby the expected direction of the face material A closure maintaining device configured to be able to regulate the rotation to the outdoor side.   The restricting surface portion of the restricting member is provided with a cushioning material capable of contacting an indoor side surface of the frame finding surface portion, and the extending surface portion is provided with a buffer capable of contacting an end surface on the inner side in the finding direction of the frame finding surface portion. The closure maintenance device according to claim 1, wherein a material is provided.   The said to-be-latched part is comprised with the stepped screw which can be screwed to the said face material prospective surface part from an outer side in a finding direction, The stepped part of this stepped screw is latched by the said locking groove. The closure maintenance device according to claim 2. It is a joinery comprising a frame, a face member that is rotatably supported in an indoor / outdoor direction with respect to the frame, and the closure maintaining device according to any one of claims 1 to 3.
In the open state of the face material, the folding surface portion is positioned on the outdoor side while keeping the regulating surface portion along the indoor side surface of the frame finding surface portion from the inside in the finding direction of the frame, and the regulating surface portion and the folding surface portion And the regulating member is attached to the frame member across the frame finding surface portion,
In the closed state of the face material, the restricting member moves along the longitudinal direction of the frame material, and the locked portion received in the locking groove is locked, so that the expected direction of the face material Joinery that is restricted from turning to the outside. The airtight material is provided on the outdoor side in the prospective direction of the frame finding surface portion, and is configured to be able to contact the face material finding surface portion,
The regulating member sandwiches the frame finding surface portion and the airtight material between the regulating surface portion and the folding surface portion, and is held by the frame material by the repulsive force of the airtight material that contacts the folding surface portion. The joinery according to claim 4, wherein an outdoor side surface and an indoor side surface of the face material finding surface portion are provided to face each other with a gap therebetween.

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