JP6767536B2 - Sash window - Google Patents

Description

The present invention relates to a sash window.

Patent Document 1 discloses a sash window provided with an inward tilting latch at the upper end of a vertical frame of a shoji.
In the raising and lowering window of Patent Document 1, the latch bolt of the inward tilting latch is always urged by a spring so as to protrude into the vertical frame, and by sliding the operation unit for operating the indentation of the latch bolt, the latch bolt is operated. It is disclosed that the latch bolt is pulled in from the vertical frame.

Japanese Unexamined Patent Publication No. 2006-183310

However, in the raising and lowering window of Patent Document 1, there is a limit to the lighting area of the window because it is necessary to find a vertical frame provided with an inward tilting latch having a predetermined size or more.
On the other hand, there has been a demand for a sash window with a large lighting area.

Therefore, an object of the present invention is to provide a raising and lowering window capable of increasing the lighting area.

The invention according to claim 1 includes a shoji, a frame, and an inwardly tilting latch, and the inwardly tilting latch is attached to the upper end of a vertical frame, and is an operation unit that operates a housing, a latch bolt, and a latch bolt. The housing has a latch bolt storage part, the latch bolt is urged by a spring so that it always protrudes into the vertical frame from the latch bolt storage part , and an operation part guide groove is provided on the upper surface of the housing. It is formed, and the latch bolt storage part and the rear end part of the operation part guide groove are communicated vertically, and the operation part is integrally formed with the latch bolt, and when the latch bolt is immersed, it is removed from the housing. It protrudes toward the upper stile and slides on the upper surface of the upper stile along the guide groove of the operation part. When the latch bolt is immersed, it is latched at the tip of the operation part, and when the latch bolt is projected, it is latched at the rear end of the operation part. It is a raising and lowering window characterized by blocking the upper part of the bolt storage part .

According to the invention of claim 1 , since the operating portion integrally formed with the latch bolt slides over the vertical stile and slides on the upper surface of the upper stile when the latch bolt is inserted, the operating portion for immersing the latch bolt. Since the range of movement is not limited to the vertical stile, the vertical stile can be found narrowly, so that the lighting area on the inner peripheral side of the stile can be increased.

FIG. 5 is a cross-sectional view taken along the line EE of the raising and lowering window according to the present embodiment shown in FIG. It is sectional drawing of MM shown in FIG. FIG. 5 is a sectional view taken along line FF of the raising and lowering window according to the present embodiment shown in FIG. FIG. 5 is a vertical cross-sectional view showing a state in which the indoor shoji is tilted inward in the raising and lowering window according to the present embodiment shown in FIG. It is a front view which looked at the raising and lowering window which concerns on this embodiment from the indoor side. It is a view of an inward tilting latch, (a) is a plan view, (b) is a front view, (c) is a rear view, (d) is a right side view, and (e) is a perspective view of the front side viewed from diagonally above. (F) is a perspective view of the back side viewed from diagonally below, and (g) is a perspective view of the front side of the state in which the latch bolt is immersed and viewed from diagonally above. It is a view of the housing of an inward tilting latch, (a) is a perspective view of the front side viewed from diagonally above, and (b) is a perspective view of the back side viewed from diagonally below. It is a figure of the latch bolt and the operation part integrated product, (a) is a perspective view which looked at the tip side of a latch bolt from diagonally above, (b) is a perspective view which looked at the rear end side of a latch bolt from diagonally above. c) is a perspective view of the tip end side of the latch bolt viewed from diagonally below, (d) is a perspective view of the rear end side of the latch bolt viewed from diagonally below, and (e) is a cross section CC shown in (a). It is a cross-sectional view seen from the D side. It is a view of a spring, (a) is a plan view, and (b) is a front view. It is a view of a tight material, (a) is a perspective view of the mounting portion side viewed from diagonally above, (b) is a perspective view of the tight portion side viewed from diagonally above, and (c) is a perspective view of the tight portion side viewed from diagonally below. The viewed perspective view (d) is a perspective view of the mounting portion side as viewed from diagonally below.

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.
As shown in FIG. 5, the raising and lowering window 1 according to the present embodiment includes a frame 3, an external shoji 5, and an internal shoji (shoji) 7, and the external shoji 5 is a fixed shoji and an internal shoji. Reference numeral 7 is a movable shoji that can move up and down. Further, as shown in FIG. 4, the internal shoji 7 is tilted toward the room side so that it can be opened and closed. As shown in FIG. 3, a screen door 11 is provided on the outdoor side of the shoji 7 in the closed position.
As shown in FIG. 5, the frame 3 frames the upper frame 3a, the lower frame 3b, and the left and right vertical frames 3c and 3c, and extends over the upper ends of the left and right vertical frames 3c and 3c and the upper frame 3a. A balancer 9 is provided. The lower end of the wire 10 wound by the balancer 9 is connected to the lower end 7a of the internal sash 7. The balancer 9 is intended to balance the weight of the sash 7 so that the sash 7 can be stopped at an arbitrary position when it is slid up and down.
Further, the frame 3 is a heat insulating frame, and as shown by hatches in FIGS. 1 and 3, the upper frame 3a, the lower frame 3b, and the left and right vertical frames 3c and 3c are made of resin material. As shown in FIG. 1, guide grooves 13 for guiding the movement of the internal sash 7 are formed in the left and right vertical frames 3c and 3c along the vertical direction.
The upper stile 17 of the inner sash 7 is provided with a pulling tool 49 engaged with a pulling member 47 provided on the lower stile of the outer sash 5 at the center in the left-right direction.

As shown in FIG. 5, the internal shoji 7 has a stile 15 and a glass 16 provided on the inner peripheral side of the stile 15, and the stile 15 has an upper stile 17, a lower stile 19, and left and right vertical stiles 21, 21. The upper stile 17 and the lower stile 19 are attached between the left and right vertical stiles 21 and 21. As shown in FIGS. 1 and 3, the indoor side portion 14 of the stile 15 of the sash 7 is made of a resin material as shown by a hatch, and has a heat insulating structure.
As shown in FIG. 5, the left and right vertical frames 21 and 21 are engaged with the corresponding vertical frames 3c and 3c, respectively, and when the internal shoji 7 is tilted indoors (see FIG. 4), the vertical frames 3c and 3c are used. Although the inward tilting latch 23 for disengaging the engagement is provided, since the configuration and the mounting structure of each inward tilting latch 23 are the same, the right vertical stile (the stile on the right side when viewed from the indoor side) 21 is described below. The inward tilting latch 23 will be described.

The inward tilting latch 23 is attached to the upper end of the vertical stile 21, and includes a housing 25, a latch bolt 27, and an operation unit 29 for operating the appearance of the latch bolt 27, as shown in FIGS. 1 and 2.
As shown in FIGS. 2 and 6, the latch bolt 27 is movably provided in the latch bolt storage portion 33 provided in the housing 25, and the tip portion 27a is constantly moved from the housing 25 by the spring 31 provided in the housing 25. It is urged to protrude. As shown in FIG. 1, the tip portion 27a of the latch bolt 27 is located in the guide groove 13 of the vertical frame 3c at the protruding position and inside the housing 25 at the immersion position and is separated from the guide groove 13. The movement area S of the latch bolt 27 is an area that moves left and right in the latch bolt storage portion 33 when the latch bolt 27 appears and disappears.

As shown in FIGS. 1 and 6A, the spring 31 has a fulcrum 31a and an action point 31b, and is a torsion coil spring in the present embodiment. The spring 31 has a winding portion around which the elastic wire is wound as a fulcrum 31a, the tip end side of one side portion 32 extending from the fulcrum 31a as an action point 31b, and the other side portion 34 extending from the fulcrum 31a as a housing 25. It is locked by being brought into contact with the locking portion 25a (see FIG. 2).
As shown in FIG. 6A, the end surface of the rear end portion 27b of the latch bolt 27 is provided with an inclined surface 28 inclined along the extending direction of the one side portion 32 of the spring 31. Further, as shown in FIG. 2, the rear end portion 27b of the latch bolt 27 is formed with an inclined portion 27c that is inclined so as to protrude above the action point 31b of the spring 31 to prevent the displacement of the action point 31b. There is. In the inward tilting latch 23 attached to the left vertical stile 21, the inclined portion 27c is inclined so as to protrude below the point of action 31b.
The fulcrum 31a of the spring 31 is fitted and stopped by a boss 37 (see FIG. 7) formed in the housing 25. The fulcrum 31a is located on the outdoor side of the latch bolt storage portion 33 (moving region S of the latch bolt 27), and is located at a position deviated from the latch bolt storage portion 33.
The one side portion 32 and the other side portion 34 of the spring 31 are bent so that their tips thereof face each other.
As shown in FIG. 7, in the housing 25, the latch bolt accommodating portion 33 is formed with an upper shielding portion 36a that covers the upper side of the rear end portion 27b of the latch bolt 27 and a lower shielding portion 36b that covers the lower side. ..

As shown in FIGS. 2 and 8, the operation unit 29 and the latch bolt 27 are integrally formed, and the operation unit 29 is slidably provided on the upper surface of the housing 25 together with the latch bolt 27, and the tip of the latch bolt 27 is provided. It has a tip portion 29a located on the portion 27a side and a rear end portion 29b located on the rear side of the latch bolt 27, and at the immersion position of the latch bolt 27, the rear end portion 29b of the operation portion 29 is on the upper surface of the upper stile 17. It is designed to be located on top of it.
As shown in FIG. 7, an operation portion guide groove 38 for guiding the movement of the operation portion 29 is formed on the upper surface of the housing 25, and the operation portion guide groove 38 is formed so as to be recessed from the upper surface of the housing. A groove bottom portion is provided on the tip end side of the operation portion guide groove 38, and this groove bottom portion is the above-mentioned upper shielding portion 36a. The operation unit guide groove 38 and the latch bolt storage unit 33 are communicated with each other by a communication hole 40. As shown in FIG. 2, the communication hole 40 is covered with the rear end portion 29b of the operation portion 29 when the latch bolt 27 is in the protruding position, and is covered with the tip portion 29a when the latch bolt 27 is in the immersion position.
Further, the housing 25 has a mounting portion 25b to be attached to the prospective surface 21a of the vertical stile 21, and the mounting portion 25b is fixed to the vertical stile 21 with screws 39.
As shown in FIG. 7B, a spring mounting portion 41 is provided next to the latch bolt accommodating portion 33, and the latch bolt accommodating portion 33 and the spring mounting portion 41 communicate with each other by the side opening 33a. The spring mounting portion 41 is provided with the above-mentioned boss 37. Then, one side portion 32 of the spring 31 attached to the spring accommodating portion 41 extends from the side opening 33a to the latch bolt accommodating portion 33.

Further, as shown in FIGS. 1 and 6, a water blocking member 45 is attached to the housing 25. The water stop member 45 abuts on the indoor side surface of the vertical stile 5a of the outer sash 5 to ensure watertightness with the vertical stile 5a, and is provided with a water stop piece 45a projecting from the outdoor side. The water stop member 45 is provided with a lid portion 45b that covers the lower side of the spring mounting portion 41 of the housing 25, and when the water stop member 45 is attached to the housing 25, the lid portion 45b is attached to the spring mounting portion 41. It is designed to close the opening.

To assemble the inward tilting latch 23, insert the latch bolt 27 from the rear side into the latch bolt storage portion 33 of the housing 25, and attach the operation portion 29 integrally formed with the latch bolt 27 to the operation portion guide groove 38 of the housing 25. To do. The spring 31 is inserted through the opening of the spring mounting portion 41 of the housing 25, the one side portion 32 is arranged at the rear end portion 27b of the latch bolt 27, and the other side portion 42 is brought into contact with the locking portion 25a of the housing 25. Then, the fulcrum 31a of the spring 31 is attached to the boss 37. After that, the water blocking member 45 is attached to the housing 25, and the opening of the spring mounting portion 41 is closed by the lid portion 45b of the water blocking member 45.
In the inward tilting latch 23 assembled in this way, the rear end portion 27b of the latch bolt 27 is constantly urged by the spring 31, and the tip end portion 27a of the latch bolt 27 is in a state of protruding from the housing 25.
Then, as shown in FIG. 2, the inwardly tilting latch 23 is arranged at the upper ends of the vertical stiles 21 and 21 of the internal shoji, and the mounting portion 25b of the inwardly tilting latch 23 is applied to the prospective surface of the vertical stile 21 to screw 39. Attach to the vertical stile 21 with.
In the state where the inward tilting latch 23 is attached to the vertical stile 21, the operating portion 29 is in a state where the rear end portion 29b is on the upper surface of the upper stile 17.

Next, the inward tilting operation of the internal shoji 7 will be described.
When the sash window 7 is in the fully open position, fully closed position, and raising / lowering operation of the raising / lowering window 1, as shown in FIG. 1, in the inward tilting latch 23, the tip portion 27a of the latch bolt 27 is the guide groove 13 of the vertical frame 3c. It is in a position that protrudes inward.
When the internal sash window 7 is tilted inward in the raising / lowering window 1, the operation unit 29 protrudes from the housing 25 toward the upper stile 17 and rises as shown by a two-dot chain line in FIG. 2 and FIG. 6 (g). Slide the vertical frame 3c away from the vertical frame 3c so as to move the upper surface of the stile 17.
By the sliding operation of the operation unit 29, the latch bolt 27 provided integrally with the operation unit 29 is immersed in the housing 25 against the urging force of the action point 31b of the spring 31, and the tip portion 27a of the latch bolt 27 is vertically inserted. It comes off from the guide groove 13 of the frame 3c.
Then, while holding the left and right operating portions 29 while resisting the urging force of the spring 31, the shoji 7 is tilted toward the room side as shown in FIG.

Next, the action and effect of the raising and lowering window 1 according to the present embodiment will be described.
As shown in FIG. 1, the spring 31 that urges the latch bolt 27 to always project from the housing 25 into the guide groove 13 of the vertical frame 3c has a fulcrum 31a with respect to the action point 31b that presses the latch bolt 27. Is provided at a position deviated from the moving area S of the latch bolt 27, so that it is compared with the case where a coil spring or the like (a spring having a fulcrum and an action point in the moving area) that expands and contracts in the moving area S of the latch bolt 27 is arranged. As a result, the finding K (see FIG. 5) of the vertical stile 21 can be thinned, so that the lighting area on the inner peripheral side of the stile 15 can be increased.
As shown in FIG. 2, the operation unit 29 integrally formed with the latch bolt 27 slides over the vertical stile 21 and slides on the upper surface of the upper stile 17 when the latch bolt 27 is retracted, so that the latch bolt 27 can be immersed. Since the moving range of the operation unit 29 is not limited to the vertical stile 21, the finding K of the vertical stile 21 can be narrowed, and the lighting area on the inner peripheral side of the stile 15 can be increased.

The inwardly tilting latch 23 is attached to the upper end of the vertical stile 21, and when the operation unit 29 is operated, the operation unit 29 is configured to move the upper surface of the upper stile 17. Therefore, the inwardly tilting latch 23 is processed on the upper stile 17. The design of the upper stile 17 is simple and the manufacturing cost can be reduced, and the cap covering the processed portion of the upper stile 17 is not required, so that the design of the upper stile 17 is excellent.
As shown in FIG. 6A, the rear end portion 27b of the latch bolt 27 with which the action point 31b of the spring 31 abuts has an inclined surface 28 inclined along the extending direction of the one side portion 32 of the spring 31. Since the side surface of the one side portion 32 of the spring 31 is brought into contact with the inclined surface 28 to serve as the action point 31b, the end of the one side portion 32 of the spring 31 bites into the rear end portion 27b of the latch bolt 27. It is possible to prevent an operation failure from occurring.
As shown in FIG. 7, in the housing 25, the storage portion 33 to which the latch bolt 27 moves includes an upper shielding portion 36a that covers the upper side of the rear end portion 27b of the latch bolt 27 and a lower shielding portion 36b that covers the lower side. Since it is formed and the upper shielding portion 36a and the lower shielding portion 36b hide the rear end portion 27b of the latch bolt 27 and the spring portion in contact with the rear end portion 27b, the design is good. Further, the upper shielding portion 36a and the lower shielding portion 36b can prevent the action point 31b of the spring 31 from coming off from the rear end portion 27b of the latch bolt 27.
The side portion of the moving region S of the latch bolt 27 is opened to the spring mounting portion 41 by the side opening 33a, and the action point 31b of the spring 31 mounted on the spring mounting portion 41 through the side opening 33a is set on the latch bolt 27. The spring mounting portion 41 is designed to abut the inclined surface 28 provided on the end surface of the rear end portion 27b, and the fulcrum 31a of the spring 31 is mounted on the boss 37 from the opening of the spring mounting portion 41. The spring 31 that urges the latch bolt 27 from the opening can be easily attached. Further, since the opening of the spring mounting portion 41 is closed by the lid portion 45b of the water blocking member 45 attached to the housing 25, the fulcrum 31a of the spring 31 can be prevented from coming off from the boss 37.
As shown in FIGS. 1 and 6, since the water blocking member 45 is mounted on the housing 25, it is possible to improve the water stopping performance of the mating portion of the outer sash 5 and the inner sash 7.
As shown in FIG. 2, when the latch bolt 27 is in the recessed state, the tip portion 29a of the operation unit 29 is in a position covering the communication hole 40, and when the latch bolt 27 is in the protruding state, the operation unit 29 Since the rear end portion 29b is positioned to close the communication hole 40, it is possible to prevent dust and dirt from accumulating in the latch bolt storage portion 33 from the communication hole 40 formed in the operation portion guide groove 38. Further, since the communication hole 40 is closed at any position of the operating portion 29, the rear end portion of the latch bolt 27 and the working point 31b of the spring 31 are not exposed, so that the design is good.

The present invention is not limited to the above-described embodiment, and can be variously modified without departing from the gist thereof.
For example, in the invention according to claim 1, as shown in FIG. 1, the fulcrum 31a of the spring 31 is not limited to being arranged on the outdoor side with respect to the action point 31b, but may be arranged on the indoor side. However, it may be arranged on the upper side or the lower side.
The spring 31 is not limited to the torsion coil spring, and may be a leaf spring or the like having one end as a fulcrum 31a and the other end as an action point 31b.
Further, in the invention according to claim 2, the spring 31 is not limited to arranging the fulcrum 31a at a position deviated from the moving region S of the latch bolt 27, and for example, the coil spring is arranged on the rear end side of the latch bolt. Then, it may be configured to be housed in the moving area of the latch bolt.
In the invention according to claims 1 and 2, the inward tilting latch 23 may be attached to the upper end of the vertical stile 21, and a part of the inward tilting latch 23 is attached to the upper end of the vertical stile 21. Also includes.

1 Sash window
3 frames
3c Vertical frame 7 Internal shoji (shoji)
17 Upper stile 21 Vertical stile 23 Inward tilting latch 25 Housing 27 Latch bolt 27b Rear end 29 Operation part 31 Spring 31a Support point 31b Action point S Movement area

Claims (1)

It is equipped with a shoji, a frame, and an inwardly tilting latch. The inwardly tilting latch is attached to the upper end of the vertical frame, and has a housing, a latch bolt, and an operation part for manipulating the appearance of the latch bolt. The housing is a latch bolt. It has a storage part, and the latch bolt is urged by a spring so that it always protrudes into the vertical frame from the latch bolt storage part , and an operation part guide groove is formed on the upper surface of the housing, and the latch bolt storage part. The rear end of the guide groove of the operation unit communicates vertically, and the operation unit is integrally formed with the latch bolt. When the latch bolt is immersed, it protrudes from the housing toward the upper stile and the upper surface of the upper stile. Is slid along the guide groove of the operation part, and when the latch bolt is immersed, the tip of the operation part is closed, and when the latch bolt protrudes, the rear end of the operation part closes the upper part of the latch bolt housing part . A sash window that features that.

Images