CN108118986B

CN108118986B - Door and window

Info

Publication number: CN108118986B
Application number: CN201711206763.1A
Authority: CN
Inventors: 濑户隆之
Original assignee: YKK AP Inc
Current assignee: YKK AP Inc
Priority date: 2016-11-30
Filing date: 2017-11-27
Publication date: 2020-04-14
Anticipated expiration: 2037-11-27
Also published as: CN108118986A; JP2018090966A; JP6787761B2

Abstract

The invention provides a door window, which can operate a bolt on a frame material at a position which is easier to operate compared with the frame material provided with the bolt, so as to easily open and close door window leaves. The door/window (1) is provided with a latch base (42) provided on the frame (10). The lock tongue (41) is provided on the first frame member (31) and can move to an engagement position where the lock tongue engages with the lock catch seat (42) and a release position where the lock tongue disengages from the lock catch seat (42). The operation member (2) is provided on the second frame member (32) and is movable to a first position where the lock tongue (41) is disposed at the engagement position and a second position where the lock tongue (41) is disposed at the release position. The interlocking mechanism (50) moves the latch (41) from the engagement position to the release position in conjunction with the movement of the operating member (2) from the first position to the second position.

Description

Door and window

Technical Field

The present invention relates to a door/window having a frame and door/window sashes.

Background

In a window provided in an opening of a building, window sashes are attached to a side frame so as to be openable and closable, and the opening and closing of the window sashes are operated by an operation member. In addition, in order to lock the door sash to the jamb in a closed state, a latch (latch) device is used. The locking device is provided with a locking seat arranged on the frame and a bolt which is arranged on the frame body of the door and window sash and is clamped with the locking seat. In the case of a latch device, when opening a door or window, it is necessary to release the engagement between a lock tongue and a latch holder. In contrast, an inwardly-hung and downwardly-hung window (inwardly-hung window) has been known in which an operating member and a latch are provided on an upper frame member of a window sash, and the latch is moved using the operating member (see patent document 1).

However, in the conventional inner-folding type window and door described in patent document 1, the latch is operated by an operating member in the upper frame member provided with the latch. Therefore, when the upper frame member is installed at a position where the operation is difficult, the door sash may be difficult to open and close. For example, when the upper frame member is installed at a high position on a wall, the latch needs to be operated by the operating member in a state where the hand is extended upward. Particularly, when the operator is low in height or there is an obstacle (a rack, furniture, or the like) in front of the inward-opening/downward-hanging window, the opening and closing operation of the door and window sash becomes more difficult.

Patent document 1: japanese patent No. 4158979

Disclosure of Invention

The present invention has been made in view of the above problems, and an object of the present invention is to easily perform opening and closing operations of a door sash by operating a latch on a frame member at a position where the operation is easier than that of the frame member on which the latch is provided.

The present invention relates to a door/window including a frame and a door/window sash which is provided with a frame body including a first frame member and a second frame member and is attached to the frame so as to be openable and closable. The door and window is provided with: a locking seat arranged on the frame; a lock tongue provided on the first frame member and movable to an engagement position where the lock tongue is engaged with the latch holder and a release position where the lock tongue is released from the latch holder; an operating member provided on the second frame member and movable to a first position where the latch is disposed at the engagement position and a second position where the latch is disposed at the release position; and an interlocking mechanism that moves the latch from the engagement position to the release position in conjunction with movement of the operating member from the first position to the second position.

According to the present invention, the latch can be operated on the frame member located at a position easier to operate than the frame member provided with the locking portion, and the door sash can be easily opened and closed.

Drawings

Fig. 1 is a front view of the door/window of the present embodiment.

Fig. 2 is a side view showing a state in which the door/window of the present embodiment is opened.

Fig. 3 is a cross-sectional view of the bezel, frame and latch.

Fig. 4 is a cross-sectional view of the bezel, frame and latch.

Fig. 5 is a perspective view showing the locking device and the operation member provided in the housing.

Fig. 6 is a perspective view showing the locking device and the operation member provided in the housing.

Fig. 7 is a view showing an operation member and a slide member provided on the second frame member.

Fig. 8 is a diagram showing the operation of the operation member and the slide member.

Fig. 9 is a diagram showing a displacement member provided on the first frame member.

Fig. 10 is a diagram showing the operation of the displacement member and the latch.

Description of the symbols

1 door and window, 2 operating parts, 10 frames, 11 first frame materials, 12 second frame materials, 13 third frame materials, 14 fourth frame materials, 15 opening parts, 20 door and window sashes, 21 panel bodies, 22 first edge parts, 23 second edge parts, 24 third edge parts, 25 fourth edge parts, 30 frame bodies, 31 first frame materials, 32 second frame materials, 33 third frame materials, 34 fourth frame materials, 35 opening parts, 36 supporting parts, 40 locking devices, 41 locking bolts, 42 locking seats, 43 force application devices, 50 linkage mechanisms, 51 sliding parts, 52 displacement parts, 53 guide parts and 54 gaps.

Detailed Description

An embodiment of a door window of the present invention will be described with reference to the accompanying drawings. The door window of the present embodiment is a movable door window provided with an opening and closing mechanism, and a part or all of the opening portion of the frame is opened and closed by the door sash. Next, the door window will be described by taking a case where the door window is an inward-opening downward-hung window as an example.

Fig. 1 is a front view of a door window (inside-out and bottom-hung window) 1 according to the present embodiment, and shows a schematic configuration of the door window 1 as viewed from the indoor side. In fig. 1, the internal structure of the door/window 1 is shown by a dotted line. Fig. 2 is a side view showing a state where the door/window 1 of the present embodiment is opened, and schematically shows the door/window 1 as viewed from the direction X1 in fig. 1. As shown in the drawing, the door/window 1 is provided in an opening of a building and is disposed between the outside and the inside of the building. Further, the door/window 1 includes: a frame 10; a door sash 20 openably and closably attached to the frame 10; a locker 40 locking the door sash 20 to the frame 10; and an operating part 2 which operates the door sash 20 and the locker 40.

The frame 10 is a square opening frame (window frame) of the door/window 1, and is attached to an opening edge portion (edge portion of an opening portion) of a building. The bezel 10 includes four bezel members 11 to 14 (a first bezel member 11, a second bezel member 12, a third bezel member 13, and a fourth bezel member 14) assembled as a bezel. The four side frame members 11 to 14 are arranged along the opening edge of the building in a state where the end portions are connected in series. The frame 10 is provided at an opening of a building, and the door sash 20 is disposed at the opening 15 of the frame 10.

The first frame member 11 is a top frame member, and the second frame member 12 is a one-side vertical frame member. The third side frame member 13 is a lower side frame member, and the fourth side frame member 14 is a longitudinal side frame member on the other side. Two adjacent side frame members 11 to 14 are arranged in mutually different directions from the end portion connected to each other. In this state, the first frame member 11 and the third frame member 13 are disposed to face each other, and the second frame member 12 and the fourth frame member 14 are disposed to face each other.

The door sash 20 is a rectangular opening/closing body (inward-opening and downward-hanging sash), and includes a rectangular frame 30 and a rectangular panel body 21 attached to the frame 30. The frame 30 has four frame members 31 to 34 (a first frame member 31, a second frame member 32, a third frame member 33, and a fourth frame member 34) assembled as a frame, and is disposed along an edge portion of the panel body 21. The four frame members 31 to 34 are disposed at different edge portions 22 to 25 (first edge portion 22, second edge portion 23, third edge portion 24, fourth edge portion 25) of the door sash 20 in a state where the end portions thereof are sequentially connected to each other. The panel body 21 is, for example, a glass plate fitted into the frame 30, and is disposed in the opening 35 of the frame 30 and held by the frame 30.

The first frame member 31 is an upper frame member, and the second frame member 32 is a vertical frame member on one side. The third frame member 33 is a lower frame member, and the fourth frame member 34 is the other vertical frame member. The two adjacent frame members 31-34 are disposed in different directions from each other from the end portions connected to each other. In this state, the first frame member 31 is disposed to face the third frame member 33, and the second frame member 32 is disposed to face the fourth frame member 34. In addition, in the closed state of the door sash 20, the four frame members 31 to 34 are disposed along the different side frame members 11 to 14 of the side frame 10.

The door sash 20 is rotatably supported by the frame 10, and is moved (rotated) in the opening direction H and the closing direction T to be opened and closed. The opening direction H of the door sash 20 is a moving direction (rotation direction) of the door sash 20 with respect to the opening of the frame 10, and the closing direction T of the door sash 20 is a moving direction of the door sash 20 with respect to the closing of the frame 10. Here, the door sash 20 is opened and closed by being rotated toward the indoor side and the side frame 10. When the door sash 20 is opened and closed, the first frame member 31 moves in the opening direction H and the closing direction T about the third frame member 33 with the third frame member 33 held inside the bezel 10.

The door sash 20 is provided with a frame body 30 including a first frame material 31 and a second frame material 32. The first frame member 31 is disposed at the first edge 22 (upper edge) of the door sash 20, and the second frame member 32 is disposed at the second edge 23 (one longitudinal edge) of the door sash 20. The locking device 40 is provided on the first frame member 31, the second frame member 32, and the bezel 10, and the operation member 2 is provided on the second frame member 32. The locker 40 couples the door 20 to the frame 10, maintains the door 20 in a closed state, and releases the coupling between the door 20 and the frame 10 when the door 20 is opened. The opening and closing of the door sash 20 is operated by the operation of the locker 40 by the operating part 2.

The locker 40 has: a movable latch tongue 41; a latch holder 42 that catches the latch tongue 41; and an interlocking mechanism 50 provided in the housing 30 and interlocking the operation member 2 and the latch 41. The latch tongue 41 is disposed on the first frame 31 of the door sash 20, and the latch holder 42 is disposed on the jamb 10. In the bezel 10, the latch holder 42 is provided on the first bezel member 11 arranged in parallel with the first bezel member 31, and is arranged at a position facing the latch tongue 41. The link mechanism 50 is provided on the first frame member 31 and the second frame member 32, and is disposed along the first frame member 31 and the second frame member 32.

Fig. 3 and 4 are sectional views of the bezel 10, the frame 30 and the locker 40, showing the door/window 1 taken along line X2-X2 of fig. 1. Fig. 3 shows a state where the door sash 20 is locked to the jamb 10, and fig. 4 shows a state where the locking of the door sash 20 is released. As shown in the drawing, the latch 41 is an engaging member protruding toward the latch holder 42, and the latch holder 42 is a holding member that engages with the latch 41 to hold the latch 41. In a state where the door sash 20 is closed, the latch 41 is disposed to face the latch holder 42, and the latch 41 moves in a direction approaching the latch holder 42 and in a direction away from the latch holder 42.

The latch 41 is movable to an engagement position K1 (see fig. 3) for engaging with the latch holder 42 and a release position K2 (non-engagement position) (see fig. 4) for releasing the engagement with the latch holder 42, and is disposed at an engagement position K1 and a release position K2. At the engagement position K1, the latch 41 connects the first frame member 31 of the frame 30 and the first frame member 11 of the jamb 10, thereby locking the door sash 20. At the release position K2, the latch 41 releases the connection between the first frame member 31 and the first side frame member 11, thereby releasing the lock of the door sash 20. Thereby, the first frame member 31 of the frame 30 is unfastened from the first frame member 11 of the bezel 10, and the door sash 20 can be moved in the opening direction H.

The latch tongue 41 is biased toward the engagement position K1 by the biasing means 43 of the latch device 40. The biasing device 43 includes a biasing member 43A and a holding pin 43B for holding the biasing member 43A, and the biasing member 43A continuously biases the latch 41. The biasing member 43A is an elastic member (e.g., a spring or rubber) and is disposed in a recess 41A formed in the latch 41. Here, the biasing member 43A is a spiral spring (compression coil spring) and is disposed on the outer periphery of the holding pin 43B.

When the latch 41 moves from the engagement position K1 to the release position K2, the biasing member 43A is compressed, and the biasing member 43A and the holding pin 43B are accommodated in the recess 41A of the latch 41. The latch 41 moves from the release position K2 to the engagement position K1 and is disposed at the engagement position K1 by the biasing force of the biasing device 43 (biasing member 43A).

The latch holder 42 has a projection 42A projecting toward the latch tongue 41, and is attached to the first frame member 11 of the frame 10 by an attachment member (here, a screw). In a state where the door sash 20 is closed, the latch holder 42 is disposed above the latch tongue 41. The latch tongue 41 is disposed at the engagement position K1 and is caught by the projection 42A of the latch base 42. Thereby, the latch 41 engages with the latch holder 42 to maintain the door sash 20 in the closed state.

When the door sash 20 is opened, the latch 41 moves from the engagement position K1 to the release position K2, and disengages from the latch holder 42. In this state, the door sash 20 is moved in the opening direction H, and the door sash 20 is opened. After the movement of the door sash 20 is started, the latch 41 is moved from the release position K2 to the engagement position K1 by the urging force of the urging device 43. When the door sash 20 is closed, the door sash 20 moves in the closing direction T, and the latch tongue 41 at the engagement position K1 comes into contact with the latch holder 42. At this time, the inclined portion 41B of the latch tongue 41 contacts the protrusion 42A of the latch holder 42.

The inclined portion 41B of the latch 41 is inclined with respect to the closing direction T of the door sash 20 and the urging direction of the urging device 43 to the latch 41. As the door sash 20 is closed, the inclined portion 41B of the latch 41 is pressed by the projection 42A of the latch holder 42, and the latch 41 moves from the engagement position K1 to the release position K2. When the door sash 20 is closed, the latch 41 moves to a position where it can engage with the latch holder 42, and is disengaged from the protrusion 42A of the latch holder 42. At the same time, the latch 41 moves to the engagement position K1 by the biasing force of the biasing device 43, and engages with the latch holder 42.

Fig. 5 and 6 are perspective views showing the locking device 40 and the operation member 2 provided in the housing 30. Fig. 5 shows a state in which the latch 41 is disposed at the engagement position K1, and fig. 6 shows a state in which the latch 41 is disposed at the release position K2. As shown in the drawing, the link mechanism 50 of the locker 40 is a transmission mechanism for transmitting the movement of the operating member 2 to the latch tongue 41 to move the latch tongue 41. The operating member 2 and the latch 41 are provided on different frame members (first frame member 31 and second frame member 32) of the door sash 20, and are moved in association with each other by the interlocking mechanism 50. Further, the movement of the latch 41 is operated by the operating member 2. As the operating member 2 moves, the interlocking mechanism 50 operates to move the latch 41 to the release position K2.

The link mechanism 50 includes: a slide member 51 that slides in conjunction with the movement of the operation member 2; a displacement member 52 that is displaced in conjunction with the movement of the latch 41; and a guide member 53 that guides the displacement member 52. The slide member 51 is an elongated rod-like member and is disposed along the longitudinal direction of the second frame member 32. One end of the slide member 51 is a connecting portion 51A connected to the operation member 2, and the other end of the slide member 51 is a contact portion 51B in contact with the displacement member 52. The slide member 51 is slidably disposed on the second frame member 32, and slides in the longitudinal direction of the second frame member 32 in accordance with the movement of the operating member 2 (see arrow S).

Fig. 7 is a view showing the operating member 2 and the slide member 51 provided on the second frame member 32, and shows the slide member 51 and the second frame member 32 taken along line X3-X3 in fig. 5. As shown in the drawing, the second frame member 32 has a guide groove 32A formed in a portion thereof facing the second frame member 12 of the bezel 10. The guide groove 32A is formed continuously in the longitudinal direction of the second frame member 32 and accommodates the slide member 51. The slide member 51 is guided by the guide groove 32A to slide along the guide groove 32A.

The operating member 2 is movably coupled to the second frame member 32, and is rotatably coupled to the slide member 51 by a coupling pin 51C. The operating member 2 includes a link portion 2A, and the link portion 2A is rotatably coupled to the second frame member 32 and the slide member 51. The link portion 2A is a coupling projection that penetrates an opening formed in the second frame member 32, and is coupled to the coupling portion 51A of the slide member 51 by a coupling pin 51C.

Fig. 8 is a diagram showing the operation of the operation member 2 and the slide member 51, and shows the operation member 2 and the locker 40 as viewed from the direction of the arrow X4 in fig. 5 and 6. As shown in the figure, the operating member 2 is a rotatable operating handle, and has a grip portion 2B for gripping when the latch 41 and the door sash 20 are operated. The link portion 2A of the operating member 2 protrudes from the grip portion 2B toward the slide member 51, and is attached to the support member 36 at an intermediate position between the grip portion 2B and the coupling portion 51A (coupling pin 51C) of the slide member 51. The support member 36 is fixed to the second frame member 32, and rotatably supports the link portion 2A of the operating member 2 by a support shaft 36A.

The operating member 2 is rotatable about the support shaft 36A and is movable to a first position P1 (see fig. 8A) and a second position P2 (see fig. 8B) (see arrow G). The first position P1 is a locking position where the latch 41 is disposed at the engagement position K1 and the door sash 20 is locked, and the second position P2 is an unlocking position where the latch 41 is disposed at the release position K2 and the lock of the door sash 20 is released. When the door sash 20 is opened, the grip portion 2B is moved, and the operating member 2 is moved from the first position P1 to the second position P2. The interlocking mechanism 50 moves the latch 41 from the engagement position K1 to the release position K2 in conjunction with the movement of the operating member 2 from the first position P1 to the second position P2.

When the operating member 2 moves from the first position P1 to the second position P2, the grip portion 2B of the operating member 2 moves in the opening direction H of the door/window sash 20, and when the operating member 2 moves from the second position P2 to the first position P1, the grip portion 2B moves in the closing direction T of the door/window sash 20. While the grip portion 2B moves, the link portion 2A of the operating member 2 rotates.

As the operating member 2 moves from the first position P1 to the second position P2, the link portion 2A that rotates presses the link pin 51C and the link portion 51A of the slide member 51 against the displacement member 52. The slide member 51 slides toward the displacement member 52 to come into contact with the displacement member 52 by receiving a force from the operation member 2. Further, the contact portion 51B of the slide member 51 presses the displacement member 52 to displace the displacement member 52. At this time, the slide member 51 is pushed upward and slides upward.

The operating member 2 is urged toward the first position P1 by an urging means (e.g., a helical torsion spring). The operating member 2 is moved from the second position P2 to the first position P1 by the biasing force of the biasing device, and is disposed at the first position P1. As the operating member 2 moves from the second position P2 to the first position P1, the link portion 51A connecting the link pin 51C and the slide member 51 is pulled by the rotating link portion 2A. The slide member 51 slides in a direction of separating from the displacement member 52 by receiving a force from the operation member 2, separating from the displacement member 52. At this time, the slide member 51 is pulled downward and slides downward. Further, the gravity assists the sliding of the sliding member 51 downward.

The displacement member 52 (see fig. 5 and 6) is connected to the first frame member 31 so as to be displaceable, and is displaced in conjunction with the sliding of the slide member 51 (see arrow R). The displacement member 52 is an elongated rod-like member and is disposed along the longitudinal direction of the first frame member 31. One end of the displacement member 52 is a locking portion 52A provided with the latch tongue 41, and moves integrally with the latch tongue 41. The other end of the displacement member 52 is a contact portion 52B that contacts the slide member 51. The contact portion 51B of the slide member 51 contacts the contact portion 52B of the displacement member 52, so that the slide member 51 and the displacement member 52 are interlocked.

The displacement member 52 has a rotation shaft 52C located between the locking portion 52A and the contact portion 52B, and is displaced by rotating (swinging) about the rotation shaft 52C. Therefore, the displacement member 52 is a rotating member (swinging member). Due to the rotational displacement of the displacement member 52, the locking portions 52A and the contact portions 52B are displaced in the displacement direction (rotational direction) of the displacement member 52.

Fig. 9 is a view showing the displacement member 52 provided on the first frame member 31, and shows the displacement member 52 and the first frame member 31 taken along the line X5-X5 in fig. 5. As shown in the figure, the first frame member 31 has a receiving groove 31A formed in a portion thereof facing the first frame member 11 of the bezel 10. The housing groove 31A is formed continuously in the longitudinal direction of the first frame member 31 and houses the displacement member 52. The rotating shaft 52C of the displacement member 52 is rotatably supported by the bearing member 52D. The bearing member 52D is disposed in the receiving groove 31A and fixed to the first frame member 31. The displacement member 52 is displaced by rotation in the housing groove 31A, and the latch 41 is moved.

Fig. 10 is a diagram showing the operation of the displacement member 52 and the latch 41, and shows the locker 40 as viewed in the direction of the arrow X6 in fig. 5 and 6. Fig. 10 also shows a part of the sliding member 51 on the contact portion 51B side. As shown in the figure, the guide member 53 is provided on the first frame member 31 adjacent to the locking portion 52A of the displacement member 52 and the latch tongue 41. The guide member 53 has a guide groove 53A opening toward the displacement member 52, and the displacement member 52 has a protrusion 52E disposed in the guide groove 53A. The projection 52E is formed on the locking portion 52A and guided by the guide groove 53A. The guide member 53 guides the displacement member 52 in the displacement direction through the guide groove 53A.

The displacement member 52 has a tab 52F formed on the contact portion 52B. The protruding piece 52F is a guide portion capable of guiding the contact portion 51B of the slide member 51, and protrudes from the contact portion 52B toward the slide member 51. The protruding piece 52F is disposed adjacent to the contact portion 51B of the slide member 51. The contact portion 51B of the slide member 51 is maintained at a position contactable with the contact portion 52B of the displacement member 52 by the protruding piece 52F.

In a state where the protruding piece 52F of the displacement member 52 faces the contact portion 51B of the slide member 51, the slide member 51 slides, so that the contact portion 51B of the slide member 51 moves along the protruding piece 52F. When the sliding direction of the slide member 51 is biased toward the projecting piece 52F, the contact portion 51B of the slide member 51 comes into contact with the projecting piece 52F. In this case, the contact portion 51B of the slide member 51 is guided by the contact portion 52B of the displacement member 52 via the protruding piece 52F, and is thus brought into contact with the contact portion 52B of the displacement member 52.

When the operating member 2 moves from the first position P1 to the second position P2, the slide member 51 slides to displace the displacement member 52, and the displacement member 52 moves the latch 41 from the engagement position K1 (see fig. 10A) to the release position K2 (see fig. 10B). At this time, the contact portion 51B of the slide member 51 comes into contact with the contact portion 52B of the displacement member 52 with the sliding of the slide member 51.

The contact portion 52B of the displacement member 52 is pressed by the contact portion 51B of the slide member 51 in the sliding direction (here, upward) of the slide member 51, and moves in the sliding direction. Thereby, the displacement member 52 rotates and displaces, and the locking portion 52A of the displacement member 52 moves in the opposite direction (here, downward) to the sliding direction. The displacement member 52 moves the latch 41 together with the locking portion 52A in the displacement direction, thereby moving the latch 41 from the engagement position K1 to the release position K2.

When the operating member 2 moves from the second position P2 to the first position P1, the slide member 51 slides downward and is separated from the displacement member 52. At the same time, the latch 41 moves from the release position K2 to the engagement position K1 due to the urging force of the urging device 43. Further, the displacement member 52 rotates and displaces, and the contact portion 52B of the displacement member 52 moves downward. In the state where the operating member 2 is disposed at the first position P1, the contact portion 51B of the slide member 51 does not contact the contact portion 52B of the displacement member 52, and a gap 54 is formed between the two

contact portions

51B, 52B.

When the door sash 20 is opened (see fig. 5 and 6), the grip portion 2B of the operating member 2 is pulled in the opening direction H of the door sash 20, and the grip portion 2B is moved in the opening direction H. In response, the operating member 2 moves from the first position P1 to the second position P2. In conjunction with the movement of the operating member 2, the interlocking mechanism 50 moves the latch 41 to the release position K2, and the engagement between the latch 41 and the latch holder 42 is released. Thereby, the latch 41 is disengaged from the latch holder 42, and the door sash 20 is unlocked. Then, the grip portion 2B of the sash 20 is pulled continuously in the opening direction H of the sash 20.

The door sash 20 is pulled in the opening direction H (indoor side) by the operating member 2 and moved in the opening direction H. Then, the door sash 20 is moved to be opened so as to be tilted toward the indoor side. The opening width of the window and door sash 20 is limited by, for example, an opening width limiting means. The door sash 20 is configured to be opened at a prescribed opening width. After the movement of the door sash 20 is started, the operating member 2 is moved from the second position P2 to the first position P1, and the latch 41 is moved from the release position K2 to the engagement position K1.

When the door sash 20 is closed, the grip portion 2B of the operating member 2 is pressed in the closing direction T (the side of the bezel 10) of the door sash 20. The door sash 20 is pushed in the closing direction T by the operating member 2 and moves in the closing direction T. Then, the window and door 20 is moved to the jamb 10 to be closed. At this time, the latch tongue 41 is pressed by the latch base 42 and moves to the release position K2. When the door sash 20 is closed, the latch 41 moves to the engagement position K1 to engage with the latch holder 42, and the door sash 20 is locked in the closed state by the latch 41.

In the door/window 1 described above, the latch 41 and the operating member 2 are provided on different frame members (the first frame member 31 and the second frame member 32) and are disposed on different edge portions (the first edge portion 22 and the second edge portion 23) of the door sash 20. Here, the first frame member 31 is an upper frame member provided with the latch 41, and the second frame member 32 is a vertical frame member provided with the operation member 2. Therefore, the latch 41 can be easily operated by the operating member 2 at a position lower than the first frame member 31. In this way, the latch 41 is operated on the second frame member 32 located at a position where the operation is easier than that of the first frame member 31 provided with the latch 41, and the door sash 20 can be easily opened and closed.

When the door sash 20 is opened, the grip portion 2B of the operating member 2 is moved in the opening direction H, and the latch 41 is moved to the release position K2. Therefore, after the engagement between the latch 41 and the latch holder 42 is released, the door sash 20 can be smoothly moved in the opening direction H by the operating member 2. This simplifies the operation of opening the door sash 20, and allows the door sash 20 to be opened easily and smoothly. Further, the door sash 20 can be locked by engaging the latch tongue 41 with the latch base 42 only by closing the door sash 20.

The interlocking mechanism 50 interlocks the latch 41 with the operating member 2 through two members, i.e., a slide member 51 and a displacement member 52. Therefore, the tongue 41 can be reliably interlocked with the operating member 2 while suppressing complication of the structure of the interlocking mechanism 50. By housing the slide member 51 and the displacement member 52 in the grooves (the guide groove 32A, the housing groove 31A) of the frame 30, the appearance of the door sash 20 can be improved. The displacement member 52 can be accurately displaced by the guide of the guide member 53, and the movement of the latch 41 can be stabilized.

Since the displacement member 52 is a rotating member that rotates about the rotating shaft 52C, the latch tongue 41 provided in the locking portion 52A can be accurately moved. Even if the distance between the latch tongue 41 and the slide member 51 is increased, the latch tongue 41 can be reliably moved by the rotational displacement of the displacement member 52. By changing the length of the displacement member 52 (the distance between the locking portion 52A and the contact portion 52B), it is possible to easily cope with the change in the position of the tongue 41, and to provide the tongue 41 on the first frame material 31 of various lengths.

The center of gravity of the displacement member 52 may be aligned with the axial center of the rotating shaft 52C, or may be offset from the axial center of the rotating shaft 52C. In contrast, the center of gravity of the displacement member 52 may be located on the side of the locking portion 52A or on the side of the contact portion 52B with respect to the rotation axis 52C. When the center of gravity of the displacement member 52 is located on the contact portion 52B side with respect to the rotation shaft 52C, the latch 41 can be easily moved from the release position K2 to the engagement position K1 by adjusting the balance between the latch 41 and the displacement member 52. When the contact portion 52B of the displacement member 52 moves downward due to gravity, the latch 41 can be biased toward the engagement position K1 by the gravity that moves the contact portion 52B. By using the center of gravity of the displacement member 52 in this way, the latch 41 can be easily moved (returned) to the engagement position K1. The center of gravity of the displacement member 52 is positioned between the rotation shaft 52C and the contact portion 52B, and the urging force of the latch tongue 41 is adjusted.

The tongue 41 can be reliably moved (returned) to the engagement position K1 by the biasing device 43. Further, the latch tongue 41 can be reliably maintained in the state of being engaged with the latch holder 42 by the biasing force of the biasing device 43. When the latch 41 moves, the center of gravity of the displacement member 52 is used to assist the movement of the latch 41. The movement of the latch 41 to the engagement position K1 may be performed by at least one of the center of gravity of the urging device 43 and the center of gravity of the displacement member 52. That is, the center of gravity of the urging device 43 and the displacement member 52 may be used at the same time, or only the center of gravity of the urging device 43 or only the center of gravity of the displacement member 52 may be used.

In addition, the latch tongue 41 may be integrally formed with the locking portion 52A of the displacement member 52. Furthermore, the latch 41 may be a separate component from the displacement component 52. In this case, the latch tongue 41 is mounted on the locking portion 52A of the displacement member 52 and held by the displacement member 52.

Here, the latch 41 is provided on the upper frame member and the operation member 2 is provided on the vertical frame member. The latch 41 may be provided on the vertical frame or the lower frame according to the opening method of the door sash 20, etc. In this case, the first frame member 31 is a vertical frame member or a lower frame member. The operation member 2 is provided on a second frame member 32 (upper frame member, lower frame member, or vertical frame member) different from the first frame member 31. The frame member located at a position easier to handle than the first frame member 31 is set as the second frame member 32 based on the installation conditions of the door/window 1 (for example, the positions of the first frame member 31 and the other frame members 32 to 34). The first frame member 31 and the second frame member 32 may be frame members whose ends are connected to each other, or may be frame members facing each other.

The above description has been given of an example in which the present invention is applied to an inside-out window, but the present invention may also be applied to an outside-out window (outside-down window). The present invention can also be applied to various windows and doors (windows, doors, and the like) having a frame and a window sash.

Claims

1. A door/window, which is provided with a frame, a frame body including a first frame member and a second frame member, and a door/window sash which is attached to the frame in such a manner as to be openable and closable, and which is characterized by being provided with:

the lock catch seat is arranged on the frame;

a lock tongue provided on the first frame member and movable to an engagement position where the lock tongue is engaged with the lock catch holder and a release position where the engagement with the lock catch holder is released;

an operating member provided on the second frame member and movable to a first position where the latch is disposed at the engagement position and a second position where the latch is disposed at the release position;

an interlocking mechanism that moves the latch from the engagement position to the release position in conjunction with movement of the operating member from the first position to the second position; and

a biasing device for biasing the latch toward the engagement position to move the latch from the release position to the engagement position,

the interlocking mechanism has a sliding member that slides in interlocking with movement of the operating member, and a displacement member that displaces in interlocking with movement of the tongue,

when the operating member moves from the first position to the second position, the slide member slides to displace the displacement member, and the displacement member moves the latch from the engagement position to the release position.

2. The window and door of claim 1, wherein:

the displacement member has a contact portion that contacts the sliding member, a lock portion on which the tongue is provided, and a rotation shaft that is positioned between the contact portion and the lock portion, and is displaced by rotating about the rotation shaft.

3. The window and door of claim 2, wherein:

the center of gravity of the displacement member is located on the contact portion side with respect to the rotational axis.

4. The window or door according to any one of claims 1 to 3, wherein:

the operating member has a grip portion that moves in an opening direction of the door/window sash when the operating member moves from the first position to the second position.