JP6890383B2 - Joinery - Google Patents

Description

The present invention relates to fittings.

Conventionally, the frame body, the upper sash window arranged in the upper part of the frame body, and the lower sash window arranged in the lower part of the frame body are provided, and the upper sash window and the lower sash window are arranged in the same plane in a closed state. A sash window (joint), that is, a sash window having a so-called flat slide structure is known (see, for example, Patent Documents 1 and 2).

In the raising and lowering windows described in Patent Documents 1 and 2, a guide that engages with the guide groove is provided at the lower part of the lower frame of the lower sash. One end of a wire as a linear member arranged in the guide groove is connected to the guide. The other end of the wire is connected to the winding spring of the balancer arranged on the upper part of the frame body, and the winding spring urges the wire upward so as to be wound.

Japanese Unexamined Patent Publication No. 2016-14245 Japanese Unexamined Patent Publication No. 2012-001898

When constructing the lower sash window described in Patent Documents 1 and 2, the wire is pulled down against the urging force of the winding spring of the balancer, and one end of the wire is locked to the guide of the lower sash. Let me connect. However, the urging force of the winding spring of the balancer is strong, and the wire is pulled down against the urging force of the winding spring of the balancer, and the lower shoji is lifted while maintaining this state, and one end of the wire is guided by the lower part of the lower shoji. It was a difficult task to lock the wire.

The present invention has been made in view of the above, and an object of the present invention is to provide a fitting capable of improving workability when one end of a linear member is locked to a guide under a lower shoji. ..

In order to achieve the above object, the present invention has a frame (for example, a frame body (for example, horizontal frames 11 and 12 described later) framed by left and right vertical frames (for example, vertical frames 13 and 14 described later) and upper and lower horizontal frames (for example, horizontal frames 11 and 12 described later). , The frame body 10) described later, the first shoji (for example, the upper shoji 2 described later) having the first frame body (for example, the upper frame body 20 described later) arranged in the frame body, and the frame body. A second shoji (for example, the lower sash 3 described later) having a second stile (for example, the lower sash 30 described later), which is provided and arranged below the first sash in a closed state, and the frame body. An upward urging portion (for example, a balancer 137, 147 described later) that is arranged above or above the sash window and urges the second shoji upward via a linear member (for example, wires 137a and 147a described later). (For example, the raising and lowering window 1 described later), the vertical frame portion located below the upper urging portion is provided with a sash provided in the intermediate portion of the linear member. Provided is a fitting provided with a locking portion (for example, a locking portion 60 described later) for locking a stopping portion (for example, a locked portion 147b described later).

Further, it is preferable that the linear member and the locking portion are arranged in a guide groove (for example, a guide groove 145a described later) formed in the vertical frame. Further, it is preferable that the locking portion has a notch (for example, a lower opening notch 65 described later) into which the linear member can be inserted and the locked portion cannot pass through and opens downward. .. The locking portion preferably constitutes a regulating member that regulates the upward movement of the second shoji.

INDUSTRIAL APPLICABILITY According to the present invention, it is possible to provide a fitting capable of improving workability when one end of a linear member is locked to a guide at a lower part of a shoji screen.

It is a front view which looked at the raising and lowering window which concerns on one Embodiment of this invention from the indoor side. It is a vertical cross-sectional view of the raising and lowering window which concerns on this embodiment. It is an enlarged view of the part where the upper shoji is mainly arranged in the vertical cross-sectional view of the raising and lowering window which concerns on this embodiment. It is an enlarged view of the part where the lower sash is mainly arranged in the vertical cross-sectional view of the raising and lowering window which concerns on this embodiment. It is a cross-sectional view of the part where the upper shoji of the raising and lowering window which concerns on this embodiment is arranged. It is an enlarged cross-sectional view of the part where the upper shoji of the raising and lowering window which concerns on this embodiment is arranged. It is a perspective view which shows the state that the lower sash of the raising and lowering window which concerns on this embodiment moved in the prospective direction. It is explanatory drawing of the plan view which shows the lock mechanism of the raising and lowering window which concerns on this embodiment. It is explanatory drawing which looked at the state which the lock mechanism of the raising and lowering window which concerns on this Embodiment is a locked state, and the working position is immovable state from the prospective direction. It is explanatory drawing which looked at the state which the lock mechanism of the raising and lowering window which concerns on this Embodiment is an unlocked state, and the working position is immovable state from the prospective direction. It is explanatory drawing which looked at the state which the lock mechanism of the raising and lowering window which concerns on this embodiment is an unlocked state, and a working position movable state is seen from the prospective direction. It is explanatory drawing which looked at the state which the lock mechanism of the raising and lowering window which concerns on this Embodiment is a locked state, and the working position is movable state, and was seen from the prospective direction. It is an enlarged perspective view which shows the mode that the locked part was locked with the locking part of the raising and lowering window which concerns on this embodiment. It is an enlarged perspective view which shows the state that the lower end part which made the ring | ring of a wire is locked with the guide of the lower sash of the raising / lowering window which concerns on this embodiment. It is a perspective view which shows the state of arranging the lower shoji of the raising and lowering window which concerns on this embodiment on a frame body.

Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings.
FIG. 1 is a front view of the raising / lowering window 1 according to the embodiment of the present invention as viewed from the indoor side. FIG. 2 is a vertical cross-sectional view of the raising / lowering window 1 according to the present embodiment. FIG. 3A is an enlarged view of a portion where the upper shoji 2 is mainly arranged in the vertical cross-sectional view of the raising / lowering window 1 according to the present embodiment. FIG. 3B is an enlarged view of a portion where the lower shoji 3 is mainly arranged in the vertical cross-sectional view of the raising / lowering window 1 according to the present embodiment. FIG. 4 is a cross-sectional view of a portion where the upper shoji 2 of the raising / lowering window 1 according to the present embodiment is arranged. FIG. 5 is an enlarged cross-sectional view of a portion where the upper shoji 2 of the raising / lowering window 1 according to the present embodiment is arranged. FIG. 6 is a perspective view showing a state in which the lower shoji 3 of the raising / lowering window 1 according to the present embodiment has moved in the prospective direction. FIG. 7 is an explanatory view in a plan view showing the lock mechanism 70 of the raising / lowering window 1 according to the present embodiment.
In the present specification, the "finding direction" means the surface direction of the glass in the raising and lowering window 1 housed in the opening formed in the wall of the building, and the "expected direction" is the above-mentioned glass. It means the thickness direction (that is, the depth direction).

The sash window 1 as a fitting of the present embodiment is housed in an opening formed in a wall of a building (not shown). As shown in FIG. 1, the raising and lowering windows 1 include a frame body 10 attached to an opening of a building, an upper shoji screen 2 (first shoji screen) arranged in the upper part of the frame body 10, and a lower portion in the frame body 10. It is provided with a lower shoji 3 (second shoji), which is arranged in a sash window and housed so as to be movable in the vertical direction.

In the raising and lowering window 1 of the present embodiment, the upper shoji 2 is fixed to the upper part in the frame body 10, the lower shoji 3 is configured to be movable in the vertical direction in the frame body 10, and the lower shoji 3 is raised when closed. It is placed below the shoji 2. When the lower sash 3 moves upward in the frame 10, the lower sash 3 moves upward in the frame 10 while slightly moving to the indoor side in the prospective direction than the upper sash 2. It is composed.

As shown in FIG. 1, the frame body 10 is formed by being framed in a rectangular shape by an upper frame 11, a lower frame 12, left and right vertical frames 13, 14 and an inner frame 15. The upper frame 11, the lower frame 12, the left and right vertical frames 13, 14 and the middle frame 15 are formed of a synthetic resin material such as vinyl chloride resin, and are made of an extruded product.

In the present embodiment, the upper frame 11, the lower frame 12, the left and right vertical frames 13, 14 and the middle frame 15 have substantially the same configuration. Therefore, the corresponding configurations are coded with the same regularity, and the description thereof will be omitted. Therefore, in the following, only the configuration of the upper frame 11 will be described, and the configurations of the lower frame 12, the left and right vertical frames 13, 14 and the middle frame 15 will be described only for the configurations different from those of the upper frame 11.

The upper frame 11 is formed in a long shape. As shown in FIG. 2, the upper frame 11 is formed in a grid pattern having a plurality of air chambers in a cross section orthogonal to the direction in which the upper frame 11 extends, and the upper shoji 2 and the lower shoji 3 are arranged as a whole. It is formed in a substantially U-shaped cross section with the lower side open.

As shown in FIG. 3, the upper frame 11 includes an upper outer frame 113 which is arranged at the upper part and extends in the prospective direction, an outer vertical frame 111 which extends downward from the indoor and outer ends of the upper outer frame 113, and an upper outer frame 113. Has an inner vertical frame 112 extending downward from the indoor side end of the. The outer vertical frame 111 is formed to have a length lower than that of the inner vertical frame 112 in the vertical direction.

Two projecting portions 113a and 113b are formed on the lower surface (inner surface) of the upper outer frame 113 so as to project downward from the lower surface (inner surface) of the upper outer frame 113. The protruding portions 113a and 113b are erected downward from the lower surface of the upper outer frame 113.

The inner vertical frame 112 has an extending portion 112a extending downward on the lower side. A locking groove 111a that opens toward the indoor side is formed at the lower end of the outer vertical frame 111.

On the sides of the left and right vertical frames 13 and 14 of the frame body 10 facing each other, a guide groove and a guide groove 145a (see FIG. 6 and the like) (not shown) and an arm guide groove and an arm guide groove 146a (not shown) are formed. Is formed so as to extend in the vertical direction. Guide grooves and guide grooves 145a (not shown) guide the guides 331 and 341 of the shoji screen 3. An arm portion guide and an arm portion guide 146b (not shown) are provided in an arm portion guide groove and an arm portion guide groove 146a (not shown) so as to be slidable in the arm portion guide groove and the arm portion guide groove 146a (not shown). The arm guide groove and the arm guide groove 146a (not shown) guide the armed guide and the armed guide 146b (not shown).

Further, the vertical frames 13 and 14 are provided with a balancer 137 and a balancer 147. The balancer 137 and the balancer 147 are the upper ends of the vertical frames 13 and 14, and are arranged in the guide grooves 135a and 145a. The balancer 137 and the balancer 147 have a winding spring (not shown) that winds up the wires 137a and 147a as linear members, and the upper end portions of the wires 137a and 147a are connected to the winding spring. The lower ends of the wires 137a and 147a are annular and are locked and connected to the guides 331 and 341. In the middle portion of the wires 137a and 147a, a locked portion and a locked portion 147b (see FIG. 9), which are not shown and are fixed by ringing a plate-shaped metal piece around the wires 137a and 147a, are provided. ing.

As shown in FIG. 1, the upper shoji 2 is arranged in the upper part of the frame 10 in a closed state of the raising and lowering windows 1. As shown in FIGS. 3A and 5, the upper shoji 2 is composed of an upper upper stile 21 (upper stile), an upper lower stile 22 (lower stile), and left and right upper vertical stiles 23 and 24 (vertical stile). The upper stile body 20 (first stile body) formed by assembling into a rectangular frame and the upper glass 200 (first face material) fitted in the upper stile body 20 are provided.

Grooves 21a, 22a, 23a, 24a formed by opening inward (shoji side) are formed in the upper upper stile 21, the upper lower stile 22, and the left and right upper vertical stiles 23, 24, respectively. Side ends of the upper glass 200 are arranged in the grooves 21a, 22a, 23a, 24a.

As shown in FIGS. 3A and 5, the cross-sectional shapes of the upper upper stile 21, the upper lower stile 22, and the left and right upper vertical stiles 23 and 24 orthogonal to the extending direction are the same. The upper upper stile 21, the upper lower stile 22, and the left and right upper vertical stiles 23 and 24 are formed of a synthetic resin material such as vinyl chloride resin, and are made of an extruded product.

As shown in FIGS. 3A and 5, the upper glass 200 is a double glazing having a flat glass 201 on the indoor side, a flat glass 202 on the outdoor side, and a spacer 203 sandwiched between these two flat glasses. The upper glass 200 is sandwiched by the upper frame 20 via the gasket 20a. The upper glass 200 made of this double glazing has excellent heat insulating properties.

As shown in FIGS. 1 and 2, the lower sash 3 is arranged on the indoor side of the frame 10 in the closed state of the sash window 1. The lower shoji 3 is provided in the frame body 10 so as to be movable in the vertical direction (finding direction). As shown in FIGS. 3B and 6, the lower shoji 3 has a lower upper stile 31 (upper stile), a lower lower stile 32 (lower stile), and left and right lower vertical stiles 33 and 34 (vertical stile). The lower stile body 30 (second stile body) formed by framing the lower stile body 30 and the lower glass 300 (second face material) fitted in the lower stile body 30 are provided. ..

Grooves 31a and 32a, not shown, are formed in the lower upper stile 31, the lower lower stile 32, and the left and right lower vertical stiles 33 and 34, respectively. Will be done. The side ends of the upper glass 200 are arranged in the grooves 31a and 32a and the grooves (not shown).

As shown in FIGS. 3B and 5, the cross-sectional shapes of the lower upper stile 31, the lower lower stile 32, and the left and right lower vertical stiles 33 and 34 orthogonal to the extending direction are the same. The lower upper stile 31, the lower lower stile 32, and the left and right lower vertical stiles 33, 34 are formed of a synthetic resin material such as vinyl chloride resin, and are made of an extruded product.

As shown in FIGS. 3B and 4, the lower glass 300 is a double glazing having an indoor flat glass 301, an outdoor flat glass 302, and a spacer 303 sandwiched between these two flat glasses. .. The lower glass 300 is sandwiched by the lower frame 30 via the gasket 30a. The lower glass 300 made of this double glazing has excellent heat insulating properties.

In the present embodiment, the cross-sectional shapes of the upper upper stile 21, the upper lower stile 22, and the left and right upper vertical stiles 23 and 24 of the upper sash 2 and the lower upper stile 31, the lower lower stile 32, of the lower sash 3 And the cross-sectional shapes of the left and right lower vertical stiles 33 and 34 are the same shape although they are arranged in different directions. That is, the upper upper stile 21, the upper lower stile 22, the left and right upper vertical stiles 23, 24 of the upper shoji 2, the lower upper stile 31, the lower lower stile 32, and the left and right lower vertical stile 33 of the lower shoji 3. , 34 have the same cross-sectional shape.
In the present embodiment, when it is not necessary to distinguish the stiles, the upper stile 21 and the upper lower stile 22 of the upper sash 2 and the left and right upper vertical stiles 23 and 24 and the lower side of the lower sash 3 are used. In the description of the upper stile 31, the lower lower stile 32, and the left and right lower vertical stiles 33, 34, the upper upper stile 21, the upper lower stile 22, the left and right upper vertical stiles 23, 24, and the lower shoji sash The lower upper stile 31, the lower lower stile 32, and the left and right lower vertical stiles 33, 34 of 3 are simply referred to as stile 40.

In the present embodiment, the upper upper stile 21, the upper lower stile 22, the lower upper stile 31 and the lower lower stile 32 of the lower shoji 3 have a thickness in the vertical direction. Further, the left and right upper vertical frames 23 and 24 of the upper shoji 2 and the left and right lower vertical frames 33 and 34 of the lower shoji 3 have thicknesses in the left and right directions. Therefore, in the present embodiment, the "thickness direction of the stile 40" means the direction in which the stile 40 extends and the direction orthogonal to the expected direction.

As shown in FIGS. 3A to 5, the stile 40 includes an outdoor stile 41 arranged on the outdoor side and an indoor stile extending from the outer end of the stile 40 in the outdoor side stile 41 in the thickness direction to the indoor side. 42 and.

The outdoor side stile 41 has a first frame portion 412 and a second frame portion 413 formed inside the first frame portion 412 in the thickness direction. The second frame portion 413 opens toward the indoor side.

The indoor side stile 42 extends from the outer end portion in the thickness direction of the outdoor side stile 41 to the indoor side. The indoor side stile 42 has a third frame portion 422 forming an air chamber 421 extending in the prospective direction.

Further, guides 331 and 341 are provided in the lower part of the lower shoji 3. The guides 331 and 341 have extension bases 331a and 341a projecting outward from the end face in the left-right direction from the lower part of the shoji 3 and columnar portions 331b provided at the projecting ends of the extension bases 331a and 341a. , 341b and. A wire locking groove 331c and a wire locking groove (not shown) that can lock the annular portion at the end of the balancer 137 and the wires 137a and 147a extending from the balancer 147 are formed. Further, at the left and right ends of the upper ends of the lower vertical stiles 33 and 34 of the lower shoji 3 located above the guides 331 and 341, the arm portions 332 rotatably with respect to the lower shoji are not shown. One end of the arm is supported. At the other end of the arm portion 332 and the other end of the arm portion (not shown), a circular locking convex portion 332a having a flange-shaped tip and a locking convex portion (not shown) are provided. By inserting the locking convex portion 332a and the locking convex portion (not shown) into the grooves formed in the armed portion guide and the armed portion guide 146b (not shown), the arm portion 332 and the other end of the arm portion (not shown) are inserted. Is rotatably connected to the armed guide and the armed guide 146b (not shown) with respect to the armed guide and the armed guide 146b (not shown).

Next, the lock mechanisms 70 and 70 will be described.
FIG. 8A is an explanatory view of the state in which the lock mechanism 70 of the raising / lowering window 1 according to the present embodiment is in the locked state and the working position cannot be moved, as viewed from the prospective direction. FIG. 8B is an explanatory view of the state in which the lock mechanism 70 of the raising / lowering window 1 according to the present embodiment is in the unlocked state and the working position cannot be moved, as viewed from the prospective direction. FIG. 8C is an explanatory view of the state in which the lock mechanism 70 of the raising / lowering window 1 according to the present embodiment is in the unlocked state and the working position can be moved from the expected direction. FIG. 8D is an explanatory view of the lock mechanism 70 of the raising / lowering window 1 according to the present embodiment as viewed from the prospective direction in a locked state and a working position movable state.

The lock mechanisms 70 and 70 are mechanisms for maintaining the locked state in which the shoji 3 is closed by locking the shoji 3 so as not to fall indoors. As shown in FIG. 1, a pair of lock mechanisms 70 and 70 are provided on the left and right sides of the raising and lowering windows 1, and are arranged on the end sides of both ends of the upper stile 21 of the lower shoji 3 in the left-right direction.
The lock mechanism 70 has a locking mechanism and a switching mechanism, and as shown in FIG. 7, the base 71, the latch member 72, the elastic member (not shown), the sliding rod 74, the first operating member 75, and the second operation It includes a member 76, a connecting member (not shown), and a locking portion 60.

A first operating member 75, a second operating member 76, and a sliding rod 74 are slidably attached to the base 71. The sliding rod 74 is a rod-shaped member. The sliding rod 74 is attached to the base 71 so as to be swingable with respect to the base 71 while being locked to the base 71.

The first operating member 75 constitutes a locking mechanism and is a rectangular parallelepiped-shaped member that is operated by the operator when the lower sash 3 is unlocked. That is, the first operating member 75 is a member for switching between locking and unlocking the lower shoji 3. The first operating member 75 is arranged on the finding surface of the upper stile 31 as the second stile facing the indoor side (the surface on the indoor side of the upper stile 31), and is via a connecting member (not shown). It is connected to the sliding rod 74. The first operating member 75 is slidable on the substrate 71 in the direction along the finding direction, more specifically, in the direction along the finding surface on the indoor side of the upper stile 31 and in the left-right direction. It is attached. The sliding direction of the first operating member 75 is the same as the sliding direction of the sliding rod 74. When the lower sash 3 is unlocked by the first operating member 75, the lower sash 3 can be tilted to the indoor side in the prospective direction in the frame body 10.

The latch member 72 is a plate-shaped member extending in the left-right direction. One end side of the latch member 72 in the longitudinal direction is formed larger than the other, and the end face of the tip thereof is formed in multiple surfaces. An end face 72a is formed on the indoor side of the tip end side of the latch member 72.

An elastic member (not shown) urges the latch member 72 to the outside in the left-right direction. In the elastic member (not shown), one end of the elastic member is fixed to the base 71 and the other end is fixed to the latch member 72. An elastic member (not shown) urges the latch member 72 to the outside in the left-right direction, so that the latch member 72 is a part of the vertical frames 13 and 14 (one of the vertical frames 14 in FIG. 7) as shown in FIG. It can come into contact with the portion 141) and its movement is restricted.

The second operating member 76 constitutes a switching mechanism, and is in a state of being further inclined in the expected direction than the inclined position of the lower shoji 3 in the expected direction when the lower shoji 3 is unlocked by the operator. It is a rectangular parallelepiped-shaped member that switches between enabling and disabling the movement of the second shoji to the working position. The length of the second operating member 76 in the left-right direction is the same as the length of the first operating member 75 in the same direction, and the length in the vertical direction is shorter than the length of the first operating member 75 in the same direction. The second operating member 76 is adjacent to the upper end surface of the first operating member 75 and faces the indoor side in the prospective direction. It is located on the inner surface).

The second operating member 76 is connected to the latch member 72 via a pivot arm (not shown). The second operating member 76 is slidably attached to the substrate 71 in the direction along the finding direction, more specifically, in the direction along the indoor side surface of the upper stile 31 and in the left-right direction. .. The sliding direction of the second operating member 76 is opposite to the sliding direction of the latch member 72. That is, the operation direction of the first operating member 75 when the lower sash 3 is unlocked from the locked state is switched from the state in which the lower sash 3 cannot be moved to the working position to the state in which the lower sash 3 can be moved. The operating directions of the second operating member 76 at this time are directions along the finding surface and opposite directions to each other. When the lower sash 3 is locked and cannot be moved to the working position of the lower sash 3, as shown in FIG. 8A, the position of the first operating member 75 and the second operating member 76 in the left-right direction. The position matches.

The locking portion 60 functions as a stopper (regulatory member) that regulates the upward movement of the lower sash 3 and prevents the lower sash 3 from falling indoors. The locking portion 60 includes a metal base member 61 and a resin cover member 62. The base member 61 is a member having a rectangular plate shape made of metal, having a rectangular central portion erected, and having a plate shape whose tip is parallel to the plate-shaped portion, and is a guide. It is arranged in the grooves 135a and 145a and fixed to the vertical frames 13 and 14. The cover member 62 is a resin member that covers the plate-shaped portion at the tip of the erected portion of the base member 61. A space is formed between the parallel plate-shaped members of the base members 61 of the left and right locking portions 60, and one wire 137a and 147a as linear members are formed in the space. It is passed from the upper end portion to the lower end portion of the locking portion 60.

At the central position of the base member 61 of the locking portion 60 in the vertical direction, a shoji regulation protruding portion 63 protruding in the direction of the lower shoji 3 is provided so as to stand up. The cover member 62 has a shape in which an indoor side opening notch 64 that opens to the indoor side in the prospective direction is formed. The indoor side opening notch 64 is formed from a position on the indoor side in the prospective direction with respect to the portion of the cover member 62 covering the shoji regulation protrusion 63 to the end portion on the indoor side of the cover member 62. .. A sliding rod 74 as an engaged portion is inserted into and engaged with the indoor side opening notch 64. By engaging in this way, the lower shoji 3 is locked.

A lower opening notch 65 is formed in the lower portion of the locking portion 60. The lower opening notch 65 is open downward, and the wires 137a and 147a can be inserted, but the locked portion and the locked portion 147b (not shown) of the wires 137a and 147a cannot pass through and have a certain degree of opening. Has a width. By passing the wire 137a and 147a through the lower opening notch 65 and hooking the locked portion and the locked portion 147b of the wire 137a and 147a (not shown), the locked portion and the locked portion of the wire 137a and 147a (not shown) are locked. The portion 147b is locked to temporarily stop the wires 137a and 147a from being wound around the balancer 137 and the balancer 147.

Next, an operation of unlocking the lock mechanism 70 to release the lower shoji 3 will be described.
In the closed state of the sash window 1, the lower sash 3 is arranged below the upper sash 2 in the frame 10 as shown in FIG. At this time, as shown in FIG. 8A, the locking mechanisms 70 and 70 are in a state in which the latch member 72 cannot move the working position. At this time, the latch member 72 is urged to the outside of the lower shoji 3 by an elastic member (not shown). On the other hand, the sliding rod 74 protrudes greatly toward the vertical frames 13 and 14, and the tip of the sliding rod 74 is arranged on the outdoor side of the locking portion 60, and the indoor side opening notch 64 of the locking portion 60 is provided. The locking portion 60 is in contact with the shoji-regulating projecting portion 63, and the movement of the lower shoji 3 to the indoor side in the expected direction is restricted. As a result, the lower shoji 3 cannot be moved and is locked in the closed state.

From such a closed state, the operator moves the first operating member 75 inward in the left-right direction of the lower shoji 3 as shown in FIG. 8B. As a result, the sliding rod 74 moves inward in the left-right direction with respect to the locking portion 60 and is unlocked. Then, the operator pulls the lower shoji 3 toward the indoor side. After that, the operator can pull up the lower sash 3 so that the guides 331 and 341 of the lower sash 3 move in the guide grooves 135a and 145a (not shown) to open the lower sash 3. When closing the lower shoji 3, the operation is performed so as to go back to the above procedure. At this time, the latch member 72 is maintained in a state in which the working position cannot be moved, and the lower sash 3 can be pulled down to the indoor side in the expected direction to the extent that it can be pulled up in order to be released. It is regulated so that it cannot be pulled down.

Next, the operation of moving the lower shoji 3 to the working position will be described.
As described above, from the state in which the lower sash 3 is locked in the closed state as shown in FIG. 8A, the first operating member 75 is moved inward in the left-right direction of the lower sash 3 as shown in FIG. 8B. Then, unlock the lower shoji 3 and pull it indoors. Next, as shown in FIG. 8C, the operator moves the second operating member 76 to the outside in the left-right direction of the lower shoji 3. Then, the latch member 72 is moved inward in the left-right direction of the lower shoji 3, and the working position can be moved. As a result, the latch member 72 does not come into contact with a part 141 of the vertical frames 13 and 14, and the lower sash 3 is pulled down toward the indoor side in the expected direction when the lower sash 3 is unlocked. It is possible to set the working position to a position in which the position is tilted further toward the indoor side in the expected direction than the tilted position. In this way, the operator uses the shoji 3 as a working position to clean the outdoor side surface of the glass 300 of the shoji 3. When closing the lower shoji 3, the operation is performed so as to go back to the above procedure. As shown in FIG. 8D, even when the latch member 72 is moved inward in the left-right direction of the shoji 3 (working position can be moved), the sliding rod 74 is in the left-right direction of the shoji 3. If it is moved to the outside of the sash, the sash 3 is locked in the closed state.

Next, the construction work of arranging the lower shoji 3 on the frame body 10 will be described.
FIG. 9 is an enlarged perspective view showing a state in which the locked portion 147b is locked to the locking portion 60 of the raising / lowering window 1 according to the present embodiment. FIG. 10 is an enlarged perspective view showing a state in which the annular portion of the lower end portion of the wire 137a is locked to the guide 331 of the lower shoji 3 of the raising / lowering window 1 according to the present embodiment. FIG. 11 is a perspective view showing how the lower shoji 3 of the raising and lowering window 1 according to the present embodiment is arranged on the frame body 10.

First, when the lower shoji 3 is not arranged on the frame body 10, the wires 137a and 147a are pulled down against the urging force of the winding springs of the balancer 137 and the balancer 147, and the wires are pulled down as shown in FIG. A locked portion (not shown) and a locked portion 147b in the middle portion of 137a and 147a are locked in the lower opening notch 65 of the locking portion 60. Next, as shown in FIGS. 10 and 11, the annular portion at the lower end of the wires 137a and 147a is locked and connected to the guides 331 and 341 of the lower shoji 3, and the guides 331 and 341 are connected to the guide grooves 135a. Insert into 145a. Then, by pulling the lower shoji 3 downward together with the wires 137a and 147a, the locked portion and the locked portion 147b (not shown) are separated from the lower opening notch 65. Then, the arm portion 332 and the end portion of the arm portion (not shown) are connected to the armed portion guide 146b. Through the above steps, the lower sash 3 is arranged on the frame body 10 and is in a state where the lower sash 3 can be opened / closed.

According to this embodiment, the following effects are achieved.
In the present embodiment, the raising and lowering window 1 as a fitting includes a frame body 10 framed by vertical frames 13 and 14 as left and right vertical frames and horizontal frames 11 and 12 as upper and lower horizontal frames, and a frame body 10 inside the frame body 10. The upper sash 2 as the first sash having the upper stile 20 as the first stile, and the second sash which is provided in the frame 10 and is placed below the upper sash 2 in the closed state. The lower sash 3 as a second sash having the lower stile 30 as a sash, and the upper sash that is arranged above the frame 10 and urges the lower sash 3 upward via a wire 147a as a linear member. It includes balancers 137 and 147 as a unit.
In order to lock the locked portion and the locked portion 147b provided in the intermediate portion of the wires 137a and 147a to the portions of the vertical frames 13 and 14 located below the balancers 137 and 147. The locking portion 60 of the above is provided.

As a result, when arranging the lower shoji 3 on the frame body 10, the wires 137a and 147a are pulled down against the urging force of the winding springs of the balancers 137 and 147, and the locked portion and the locked portion 147b (not shown) are pulled down. By locking the wire 137a and 147a to the locking portion 60, the urging force of the winding spring of the balancer 137 and 147 is applied when one end of the wire 137a and 147a is locked and connected to the guides 331 and 341 of the lower shoji 3. It is not necessary to maintain the state in which the wires 137a and 147a are pulled down against the above. As a result, the work of locking one end of the wires 137a and 147a to the guides 31 and 341 at the lower part of the lower shoji 3 does not require a large amount of force, and the workability can be improved.

Further, in the present embodiment, the wires 137a and 147a as the linear members and the locking portion 60 are arranged in the guide grooves 135a and 145a formed in the vertical frames 13 and 14. Therefore, in the guide grooves 135a and 145a in which the wires 137a and 147a drawn out from the balancers 137 and 147 are arranged, the locked portion and the locked portion 147b (not shown) can be locked to the locking portion 60.

Further, in the present embodiment, the locking portion 60 opens downward because the wires 137a and 147a as the linear members can be inserted and the locked portion and the locked portion 147b (not shown) cannot pass through. Has a lower opening notch 65 to Therefore, the wires 137a and 147a are pulled down against the urging force of the winding spring of the balancer 137 and 147 to lock the locked portion and the locked portion 147b (not shown) to the locking portion 60, and the lower shoji 3 is used. After locking one end of the wires 137a and 147a to the lower guides 331 and 341, the lower sash 3 is lowered downward by utilizing the weight of the lower sash 3, so that the locked portion and the cover which are not shown naturally are covered. The locking portion 147b is disengaged from the locking portion 60. Therefore, it is not necessary to remove the locked portion and the locked portion 147b (not shown) from the locking portion 60. As a result, workability can be improved.

Further, in the present embodiment, the locking portion 60 constitutes a regulating member that regulates the upward movement of the lower shoji 3 as the second shoji. Therefore, it is not necessary to separately provide a restricting member for the locking portion 60, and it is possible to reduce the number of members constituting the raising / lowering window 1 as a fitting and to suppress an increase in the cost for manufacturing the fitting.

The present invention is not limited to the above embodiment, and modifications, improvements, and the like within the range in which the object of the present invention can be achieved are included in the present invention.

For example, in the present embodiment, the lower sash 3 is configured to be movable in the vertical direction in the frame body 10, and the lower sash 3 is arranged below the upper sash 2 at the time of closing, but the present invention is not limited to this configuration. For example, it may have a so-called flat slide structure in which the lower shoji is flush with the upper shoji when closed. Here, the fact that the lower shoji and the upper shoji are on the same plane means that the upper glass of the upper shoji and the lower glass of the lower shoji have the same prospective positions of the surface of the upper glass and the surface of the lower glass. means. When the lower shoji moves upward in the frame, the lower shoji is configured to move upward while moving to the indoor side in the prospective direction with respect to the upper shoji in the frame.

Further, in the above embodiment, the fitting 1 is composed of the raising and lowering windows 1, but the fitting 1 is not limited to this configuration. For example, the fitting may be a ventilation window having an upper sash and a lower sash, and may be composed of at least a door having a ventilation window in which the lower sash can move in the vertical direction.

Further, the configuration of each part of the fitting is not limited to the configuration of each part of the raising / lowering window 1 according to the above embodiment. For example, in the above embodiment, the linear member is composed of a wire, but the linear member is not limited to the wire. Further, the configuration of the locking portion is not limited to the configuration of the locking portion 60 according to the above embodiment. Further, for example, the locking portion 60 is composed of a metal base member 61 and a resin cover member 62, but is not limited to this configuration. The locking portion may be composed of one component or a part of the vertical frame. Further, the work performed at the work position is not limited to cleaning the lower shoji 3.

1 ... Sash window (joint)
2 ... Upper shoji (first shoji)
3 ... Shoji (second shoji)
10 ... Frame body 11 ... Upper frame 12 ... Lower frame 13, 14 ... Vertical frame 20 ... Upper frame body (first frame body)
30 ... Lower frame (second frame)
65 ... Lower opening notch (notch)
137, 147 ... Balancer (upper urging part)
137a, 147a ... Wire (linear member)
147b ... Locked portion 145a ... Guide groove

Claims (4)

A frame framed by left and right vertical frames and upper and lower horizontal frames,
The first shoji, which is placed inside the frame and has the first frame,
A second shoji provided in the frame, placed below the first shoji in a closed state, and having a second stile, and a second shoji.
A fitting that is arranged above or above the frame and includes an upward urging portion that urges the second shoji upward via a linear member.
The vertical frame portion located below the upward urging portion is provided with a locking portion for locking the locked portion provided in the intermediate portion of the linear member.
The locking portion is a fitting fixed to the central portion of the vertical frame in the vertical direction. The fitting according to claim 1, wherein the linear member and the locking portion are arranged in a guide groove formed in the vertical frame. The fitting according to claim 1 or 2, wherein the locking portion has a notch in which the linear member can be inserted and the locked portion cannot pass through and opens downward. The fitting according to any one of claims 1 to 3, wherein the locking portion constitutes a regulating member that regulates the upward movement of the second shoji.

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