JP2007262722A - Double-hung window - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To prevent a sash from descending without making the opening and closing operation of the sash hard even when tension of a spring is lowered. <P>SOLUTION: In the double-hung window including a spiral balancer 4 holding the sashes 2, 3 at arbitrary positions, an upper frame 1a of a window frame 1 and upper rails 21, 31 of the sashes 2, 3 are respectively provided with door stop parts 6, 7, 8, and one of the door stop parts is provided with locking projections 71, 81 and the others are provided with locking receiving parts 64, 65, whereby when the sashes 2, 3 are moved to the upper side to make the door stops abut on each other, the locking projections 71, 81 are locked on the locking receiving parts 64, 65. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

The present invention relates to a raising / lowering window having a shoji lowering prevention mechanism.

The raising / lowering window is comprised from the window frame and the two window shojis which can be moved up and down with respect to this window frame. In the raising and lowering window, the window is opened with the window shoji manually moved upward, but a spiral balancer is provided to prevent the window shoji moved upward from dropping even if the hand is released. The balancer's tension is balanced with the load of the window screen. The raising and lowering window provided with the spiral balancer is described in Patent Literature 1 and Patent Literature 2.

However, the raising and lowering window provided with the spiral balancer has the following problems.
(A) The tension of the spiral balancer can be adjusted by changing the number of turns of the built-in spring. When the stroke becomes large, the tension becomes excessive, and the opening / closing operation of the window shoji becomes heavy.
(B) Since the spiral balancer has a spring as a constituent element, a shoji fall occurs due to a decrease in spring tension due to deterioration over time, variation in tension due to spring thickness tolerance, and the like.
(C) If the upper shoji is lowered when the window opening is fully closed, it is difficult to lock the raising / lowering window.
Japanese Patent Publication No. 7-30651 JP 2002-21434

An object of the present invention is to prevent the shoji from falling even if the tension of the spring is lowered without increasing the opening / closing operation of the shoji.

In order to achieve such a problem, the raising and lowering window adopted by the present invention is a raising and lowering window having a spiral balancer that holds the shoji at an arbitrary position. When one of the door contact portions is provided with a locking projection, the other door contact portion is provided with a locking receiving portion, the shoji is moved upward, and the door contact portions contact each other, The locking protrusion is configured to lock to the locking receiving portion.

The door contact portion may be a door contact member separate from the upper frame and the shoji, or may be integrally formed with the upper frame and the shoji. Usually, the raising and lowering window has an outdoor shoji and an indoor shoji. However, the present invention can be applied not only to the case where both shojis move up and down, but also to the case where only one shoji moves up and down. . In the embodiment described later, the door stop member is a door stop member attached to the lower side of the upper frame of the window frame and a door stop member attached to the upper surface of the upper edge of the shoji, and both shojis can move up and down. The locking protrusion is formed on the door sliding member on the shoji side, and the locking receiving portion is formed on the door locking member on the upper frame side.

In one preferable aspect, a rising piece extending upward from the door contact surface is formed in the door stopper portion of the shoji, and the door stopper portion of the window frame extends upward from the door contact surface. The outdoor-side finding surface is formed, and a locking projection is provided on one of the indoor-side surface portion of the rising piece and the outdoor-side finding surface, and a locking receiving portion is provided on the other. . In another aspect, the locking projection is locked to one of the door-contact surfaces of the door-contact portion on the shoji side and the door-contact surface of the door-contact portion on the upper frame side, and is locked to the other door-contact surface. A receiving part may be provided.

By adding a shoji lowering prevention mechanism to the raising and lowering window, it is possible to prevent the shoji from falling even if the tension of the spring is reduced due to deterioration over time or the tension varies due to the thickness tolerance of the spring. . In addition, the tension setting of the spring can be reduced, and the opening / closing operation becomes heavy.

When the shoji is manually moved down, the shoji slightly swings inward and outward within the range of play, so that the locked state can be released with a lighter force.

FIG. 1 is an overall front view of a raising / lowering window, and two window shojis 2 and 3 are attached to a vertically rectangular window frame 1 so as to be vertically movable. The window frame 1 is an aluminum sash frame composed of an upper frame 1a, left and right vertical frames 1b and 1b, and a lower frame 1c. The outdoor window shoji 2 includes a rectangular glass panel 20, an upper collar 21, left and right collars 22, 22, and a lower collar 23 mounted around the panel 20. Similarly, the indoor window shoji 3 includes a rectangular glass panel 30, an upper rod 31, left and right rods 32 and 32, and a lower rod 33 mounted on the four circumferences of the panel 30. The left and right vertical frames 1b and 1b are respectively formed with a guide groove 1d located outside and a guide groove 1e located inside, and the flanges 22 and 32 of the window shojis 2 and 3 are formed. It is designed to guide in the vertical direction. Here, since the shojis 2 and 3 are movable in the vertical direction with respect to the left and right vertical frames 1b and 1b, the shojis 2 and 3 inherently have at least play that allows movement in the vertical direction. ing. Accordingly, the shojis 2 and 3 have play in the left and right directions and the inside and outside directions while being attached to the window frame 1. Within the range of the play, the shojis 2 and 3 move slightly in the left and right directions and the inside and outside directions. be able to. In the present specification, “playing with shoji” is used to mean such a thing.

In the vertical frame 1b, spiral balancers 4 are provided on the left and right sides of the respective shojis 2 and 3, respectively. The spiral balancer 4 is a member for holding the shoji 2, 3 at an arbitrary position in the stroke in the raising / lowering window. The upper end side of the spiral balancer 4 is fixed to the window frame 1, and the lower end side is attached to the shojis 2 and 3 via pivot shoes 5 attached to the lower collars 23 and 33 of the shojis 2 and 3. In one embodiment, the upper end side of the spiral balancer 4 is fixed at a part P to a door stop member 6 described later.

The spiral balancer 4 includes a pipe 40, a spring 41, a spiral rod 42 spirally twisted, a coupling 43, an end cap 44, a joint 45, a washer 46, a stopper 47, and a heat shrinkable tube 48. The spiral rod 42 and the coupling 43 function in the same manner as the relationship between the worm gear and the worm wheel, and when the spiral rod 42 is pulled out by the weight of the shoji 2, 3, the coupling 43 is rotated. A spring 41 is attached to the coupling 43, and a twisting force generated by the spring 41 is generated by the rotation of the coupling 43, and the meshing portion itself of the spiral rod 42 and the coupling 43 generates a frictional force, thereby Supports a weight of 3. The pivot shoe 5 is provided with a mechanism for adjusting the tension of the spiral balancer 4 with a driver. The adjustment mechanism is a one-way clutch system and rotates only in the winding direction. A person skilled in the art knows the spiral balancer 4 provided with the adjusting mechanism. For the configuration of the spiral balancer 4 including the adjusting mechanism, the configurations described in Patent Documents 1 and 2 can be referred to.

On the left and right ends of the upper frame 1 a of the window frame 1, the left and right ends of the upper arm 21 of the shoji 2, and the left and right ends of the upper arm 31 of the shoji 3, respectively, are the door stopper members 6 and door stopper members 7 and 8. When the shoji 2 and 3 are moved upward, the door stop members 7 and 8 provided on the upper side 21 and 31 of the shoji 2 and 3 are provided below the upper frame 1a of the window frame 1. It comes into contact with the door stop member 6. Door contact members 9 are provided on both left and right ends of the lower frame 1c of the window frame 1 so as to be located on the outdoor side. The left figure of FIG. 4 is a longitudinal sectional view showing a state in which the two shojis 2 and 3 are moved upward, and the door stop members 7 and 8 provided on the upper collars 21 and 31 of the shojis 2 and 3 are the upper frame. It is in contact with a door stop member 6 provided on the 1a side. The right figure of FIG. 4 is a longitudinal cross-sectional view which shows the state which moved the two shojis 2 and 3 to the lower side, and the lower end of the lower collars 23 and 33 of the shojis 2 and 3 is set to the outdoor part of the lower frame 1c. The door contact portion 9 and the indoor side portion of the lower frame 1c are in contact with each other.

The door contact member 6 provided on the upper frame 1a of the window frame 1 is formed with door contact surfaces 60 and 61 extending horizontally at different height positions. The door contact surfaces 60 and 61 with which the door contact members 7 and 8 provided on the upper side of 21 and 31 abut are provided. The outdoor door contact surface 60 is located at a height higher than the indoor door contact surface 61. The door stop member 6 includes outdoor side finding surfaces 62 and 63 extending upward from the outdoor side ends of the door contact surfaces 60 and 61. Locking receiving portions 64 and 65 are formed at predetermined portions of the outdoor-side finding surfaces 62 and 63, respectively. Specifically, the door stop member 6 includes a first portion 6A that extends in the horizontal direction and a second portion 6B that extends in the vertical direction downward from the indoor portion of the first portion 6A. . The lower end surface of the first portion 6A and the lower end surface of the second portion 6B constitute door contact surfaces 60 and 61, respectively, and the outdoor side finding surface of the first portion 6A and the outdoor side finding surface of the second portion 6B are The outdoor-side finding surfaces 62 and 63 are respectively configured.

The door stop member 7 provided on the upper surface of the upper arm 21 of the shoji 2 has a horizontal portion 7A and a rising portion 7B extending upward from the outdoor side end of the horizontal portion 7A. The upper surface of the horizontal portion 7 </ b> A constitutes the door stop surface 70. At a predetermined portion of the indoor side surface portion 72 of the rising portion 7B, when the door contact surface 70 comes into contact with the door contact surface 60 of the door contact member 6, the engagement formed on the outdoor side finding surface 62 of the door contact member 6 A locking projection 71 that locks to the receiving portion 64 is formed.

The door stop member 8 provided on the upper surface of the upper arm 31 of the shoji 3 has a horizontal portion 8A and a rising portion 8B extending upward from the outdoor side end of the horizontal portion 8A. The upper surface of the horizontal portion 8 </ b> A constitutes a door stop surface 80. At a predetermined portion of the indoor side surface portion 82 of the rising portion 8B, when the door contact surface 80 abuts on the door contact surface 61 of the door contact member 6, the engagement formed on the outdoor side finding surface 63 of the door contact member 6 A locking projection 81 that locks to the receiving portion 65 is formed.

The indoor-side surface portion 72 of the rising piece 7B of the door-stop member 7 mounted on the upper arm 21 of the door sliding member 2 and the outdoor-side finding surface 62 of the door-stop member 6 are located on substantially the same vertical line. When the outdoor shoji 2 is lifted upward, the indoor side surface 72 of the rising piece 7B rises while slidingly contacting the outdoor finding surface 62, and when the door contact surfaces 60, 70 come into contact with each other, the rising piece 7B The formed locking projection 71 is locked to the locking receiving portion 64 formed on the outdoor-side finding surface 62 by the play of the shoji 2. In the illustrated form, a gap is formed between the indoor side surface portion of the outdoor-side finding piece 1a ′ of the upper frame 1a and the outdoor-side finding surface 62 of the door stop member 6, and the outdoor shoji 2 Is lifted upward, the rising piece 7B of the door contact member 7 attached to the upper arm 21 of the shoji 2 enters the gap, and the door contact surfaces 60 and 70 come into contact with each other.

Similarly, the indoor-side surface portion 82 of the rising piece 8B of the door stop member 8 mounted on the upper arm 30 of the sliding door 3 and the finding surface 63 on the outdoor side of the door stop member 6 are positioned in substantially the same vertical line. When the indoor shoji 3 is lifted upward, the indoor side surface portion of the rising piece 8B rises while slidingly contacting the outdoor-side finding surface 63, and when the door contact surfaces 61 and 80 come into contact with each other, the rising piece 8B The formed locking projection 81 is locked to the locking receiving portion 65 formed on the outdoor side finding surface 63 by the play of the shoji 3.

Thus, the latch receiving portions 64 and 65 formed on the door stop member 6, the lock protrusion 71 formed on the door stop member 7, and the lock protrusion 81 formed on the door stop member 8 are moved upward. The shoji lowering prevention mechanism for preventing the shoji 2 and 3 from lowering is configured. In addition to the position of the shoji 2 and 3 moved upward being maintained by the spiral balancer 4, the shoji 2 and 3 are supplementarily supported by the shoji lowering prevention mechanism. Therefore, by adding the shoji lowering prevention mechanism, the tension setting of the spring 41 of the spiral balancer 4 can be reduced, and the opening and closing operation of the shoji does not become heavy. Further, the latch receiving portions 64 and 65 formed on the outdoor-side finding surfaces 62 and 63 of the door stop member 6, the lock protrusion 71 formed on the indoor side surface 72 of the rising piece 7B of the door stop member 7, the door When the shojis 2 and 3 in which the latching protrusions 81 formed on the indoor-side surface portion 82 of the rising piece 8B of the contact member 8 are respectively locked are lowered from the indoor side, the shojis 2 and 3 are held with a handle. It is a natural operation to push it slightly outside, so the shoji 2 and 3 are slightly moved in the unlocking direction by normal operation, so that the locked state is not noticed. Can be removed and the shoji 2, 3 can be taken down. On the other hand, if the shoji 2 and 3 are pushed down slightly by pushing the shoji 2 and 3 to the indoor side from the outdoor side, a force acts in the direction in which the locked state is maintained, so that the crime prevention performance is also good. .

The present invention can be used for raising and lowering windows.

It is the front view which looked at the raising / lowering window from the indoor side. It is a longitudinal cross-sectional view of a raising / lowering window, the left side is the outdoor side, and the right side is the indoor side. It is a cross-sectional view of the raising and lowering window, the upper side is the outdoor side, and the lower side is the indoor side. . The left figure is a longitudinal sectional view showing a state in which the two shojis are moved upward, and the right figure is a longitudinal sectional view showing a state in which the two shojis are moved downward. It is a figure which shows the up-and-down stroke of the shoji in a raising / lowering window. It is explanatory drawing of a spiral balancer. It is a longitudinal cross-sectional view which shows the principal part of a raising / lowering window. It is an enlarged view of the X section of FIG. It is a component drawing of the door stop member with which the upper frame was mounted | worn. It is a components figure of the door stop member with which the shoji of the outdoor side was mounted | worn. It is a component drawing of the door stop member mounted on the upper side of the shoji on the indoor side.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Window frame 1a Upper frame 2 Outdoor shoji 21 Upper eaves 3 Indoor shoji 31 Upper eaves 4 Spiral balancer 5 Pivot shoe 6 Door contact member 60 Door contact surface 61 Door contact surface 62 Finding surface 63 Finding surface 64 Locking receiver Portion 65 Locking receiving portion 7 Door stopper member 70 Door stopper surface 71 Locking protrusion 8 Door stopper member 80 Door stopper surface 81 Locking protrusion

Claims (2)

In the raising and lowering window with a spiral balancer that holds the shoji in any position,
On the upper frame of the window frame and the upper edge of the shoji, a door stop is formed, and a locking protrusion is provided on one of the door stops, and a lock receiving portion is provided on the other door stop, The sliding protrusion is configured to be locked to the locking receiving portion when the sliding door is moved upward and the door contact portions contact each other.
Raising and lowering windows.   A rising piece extending upward from the door contact surface is formed in the door stop portion of the shoji, and the outdoor finding surface extending upward from the door contact surface is formed in the door contact portion of the window frame. The locking protrusion is provided on one of the indoor side surface portion and the outdoor side finding surface of the rising piece, and the locking receiving portion is provided on the other. Up and down windows.

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