JP6096876B1 - Inner casement with emergency entrance function - Google Patents

Abstract

An internal opening window having an operation part structure of an emergency entrance excellent in operability is provided. The lever handle is designed to support the shoji with three-point support, and the operation function of the emergency entrance is to lower the link arm by lowering the emergency release button provided on the outside of the sash outer frame. By sliding in the direction, an opening with limited opening of the shoji and a fully open state of the shoji can be formed. [Selection] Figure 4

Description

The present invention has an operation function of an emergency entrance excellent in operability, while having an appearance that is not greatly different from that of a normal casement window and having less influence on the appearance of the entire building. It provides a casement window.

It is obliged to provide emergency entrances for fire fighters to use for fire fighting activities in the event of a fire on the outer walls of the third and higher floors of medium- and high-rise buildings such as office buildings and hotels. The mouth format is
1) An external window with an emergency entrance function,
2) An internal opening window with an emergency entrance function,
3) Sliding door window with emergency entrance,
Etc. are common.

The present invention is not greatly different in appearance compared with a normal casement window, and has an operation function of an emergency entrance excellent in operability while having little influence on the appearance of the entire building. The operation function is equipped with an emergency entrance function that allows the fire brigade to easily and reliably open the inner opening window in the event of a fire from the outside. In addition, during normal times, even if there is no dimensional margin to the road boundary, a sliding window can be swung to the indoor side to provide a limited opening that ensures safety and provide an internal opening window that allows natural ventilation In addition, the shoji of the inner window has a function of operating an emergency entrance that can be opened indoors in a fully open state to clean the glass and sash frame and maintain the emergency entrance operating mechanism. About the inner window Than is.

Thus, Japanese Utility Model Laid-Open No. 5-94475 (hereinafter referred to as Patent Document 1) is known as a conventional device related to an inner window that also has an emergency entrance.

The device disclosed in Patent Document 1 discloses a specific emergency entrance and its operation device for the purpose of enabling the emergency entrance to be suitably used as a ventilation port in normal times. .

The configuration of the device of Patent Document 1 is a lever-like inner and outer lever that can be switched between a state in which the opening (1) of the emergency entrance (1) is opened and closed and a state in which it is fixed at a closed position and a state in which the opening is released. The operation tools (6A) and (6B) are attached, an opening restricting means is provided that can freely fix and release the shoji (2) in the halfway open position, and the operation tools (6A) and (6B) are moved from the first fixed release position to the second. Linking means is provided for bringing the opening restricting means into a released state by operating the fixed release position.

Therefore, the fixing means (3) at the closed position of the shoji (2) in Patent Document 1 is in the vertical frame (2a) far from the vertical axis Y among the left and right vertical frames (2a) of the frame (2A). A slider (3A) is attached via a guide (3B) so as to be swingable up and down, and a door frame (4a) is attached to a fitting frame (4) around the opening 1 in a state where the shoji (2) is located at the closed position. Engage with the fixed stopper (3C) to fix the shoji (2) in the closed position, and move away from the fixed stopper (3C) as the slider (3A) moves from the second position to the first position. The movable stopper (3D) using a roller that allows the swinging of (2) is attached to the slider (3A). The fixed stopper (3C) and the movable stopper (3D) are provided three by three at an interval in the vertical direction. The contact surface (3C) of the fixed stopper (3C) with the movable stopper (3D) is a movable stopper. A cam for pressing the frame (2A), that is, the shoji (2) against the seal (5) attached to the fitting frame (4) by pressing the movable stopper (3D) inward with the engagement movement of (3D). The operating device comprises a lever-like internal operating tool (6A) for operating the fixing means (3) from the inside and a lever-like external operating tool (6B) for operating from the outside. Are attached to the vertical frame (2a) in a state of being linked to the fixing means (3).

And the effect of the idea of patent document 1 made it possible to provide an emergency entrance that can be used as a comfortable ventilation port with good operability, and operability that can further improve the operability. The operation is performed by rotating the internal operation tool (6A) composed of a lever handle to fix the shoji frame to a fixed position P1, and rotating the lever handle to move the shoji halfway. The first fixed release position P2 that can be fixedly fixed at the position, and the second fixed position P3 that can fix the shoji in the fully open position by further rotating the lever handle, can be complicatedly rotated in three stages. The lever-like external operation tool (6B) is opened to the fixed position P1 when the internal operation tool (6B) is at the fixed position P1 and not connected to the fixing means (3). In which it says alone has to be operated swinging between a position P4.

However, the structure of Patent Document 1 combines the emergency entrance and inner opening door operation devices into an internal operation tool (6A) and an external operation tool (6B) comprising a lever handle. The structure is complicated and prone to failure. From the viewpoint of lever handle operability, the internal operation tool (6A) allows anyone to operate not only the half-opening door, but also the full-opening door. As a result, there is a disadvantage that the general people are exposed to danger by operating the full opening of the shoji used for cleaning and maintenance.

Further, in the structure of Patent Document 1, a lever handle is installed in the vicinity of the central part of the shoji frame, and an operation slider (30) operated by rotating the lever handle is guided to the lower frame (2b) of the shoji (21). The lever handle and the operation slider (30) for performing complicated operations are configured with a slider (3A) built in the vertical frame (2a) of the shoji and the sliding direction of the vertical frame ( Since it is connected to the operation slider (30) via a chain (29) that changes at a right angle from 2a) to the lower frame (2b), the lever handle operation is inevitably hard and troubles occur frequently due to wear, etc. It is an operating device that cannot respond to the response.

In Patent Document 1, a fixed position P1, a first fixed release position P2, a second fixed position P3 that can be fixed to a fully open position, and an operation slider (30) that operates at an open fixed position P4 and one end supported by the operation slider. Since the link (19) that performs the link operation between the lower frames of the joinery frame (4) is provided at the lower end of the shoji, the position of the link mechanism of the opening door is very weak against the wind pressure applied to the entire shoji. Has a risk of damaging the opening door and the operation device due to wind pressure when the opening door is fixed.

5-94475

The present invention is not greatly different in appearance compared with a normal casement window, and has an operation function of an emergency entrance excellent in operability while having little influence on the appearance of the entire building. The operation function is equipped with an emergency entrance function that allows the fire brigade to easily and reliably open the inner opening window in the event of a fire from the outside. In addition, during normal times, even if there is no dimensional margin to the road boundary, a sliding window can be swung to the indoor side to provide a limited opening that ensures safety and provide an internal opening window that allows natural ventilation In addition, the shoji of the inner window has a function of operating an emergency entrance that can be opened indoors in a fully open state to clean the glass and sash frame and maintain the emergency entrance operating mechanism. Providing a casement window It is intended.

According to the present invention, a normal person can open by turning the lever handle 90 degrees from the inside of the inside opening window from the inside of the building, and the link arm mechanism is operated separately from the operation of the lever handle. It is intended to provide an internal opening window capable of natural ventilation with a limited opening that ensures safety.

Further, in the present invention, the lever handle attached to the shoji includes the operation of fixing the shoji in a predetermined position in the outer frame by the rotation of the latch, and the rotation axis of the lever handle. The upper and lower lots that move up and down in conjunction with each other engage the shoji with the upper and lower frames of the outer frame to fix the shoji with three points of support. Operation function of the emergency entrance that has a simple and simple mechanism by the lowering operation of the emergency release button provided on the outer frame of the sash that houses and fixes the shoji separately from the lever handle provided on the outside and inside It provides an inner case window provided with.

In the present invention, the link arm mechanism that performs the limited opening of the shoji and the full open opening operation is a link arm that is connected to the emergency release button and rotates between the shoji and the sash frame that forms the sash outer frame. The link arm is installed at the operation slider (21) via a chain (29) that is changed to a right angle with the slider (3A) by operating the lever handle as in the conventional device, and A link arm which is not provided in a lower frame and a lower flange portion having a long stroke connected to a link device, but is attached to a flange frame forming a sash outer frame so that one end thereof can be moved up and down, and the link arm A link arm having a function of engaging with a sliding groove provided on the shoji ridge at the other end of the sliding door and sliding in the sliding groove and in some cases releasing the connection with the heel frame. By installing it in a simple and reliable manner, it is possible to make a limited opening only from the inside side, and the function of an emergency entrance that can easily and reliably open the inner opening window from the outside side to a fully open state. An inner casement window provided is provided.

Further, the link arm mechanism according to the present invention can be installed at least near the lever handle. Compared to the conventional device provided at the lower end of the shoji, the link arm mechanism is used for an inner window near the center of the shoji. A link arm mechanism can be provided, and an inner opening window that is extremely strong against wind pressure at the time of a restricted opening is provided.

It should be noted that the internal opening window having the function of the emergency entrance according to the present invention is, of course, the interior of the emergency entrance after use, cleaning of the glass and sash frame, and maintenance of the emergency entrance operation mechanism. The person in charge of management, etc. from the side opens the restricted opening of the shoji to a fully open state using a dedicated jig, or sets the shoji with a special jig from the opening of the fully open state. When opening the door, the door can be easily returned to the inner opening window with a function that allows only the restricted opening for safety, but it has an emergency entrance function using a special tool. The method of resetting the inner window will be described in detail later in the description of the operation.

In the present invention, the external and internal lever handles installed on the shoji ridge built in the outer frame rotate the latch by the rotation of the external and internal lever handles to remove the shoji from the sash. Fixing the shoji by engaging the shoji with the upper and lower frames that form the outer frame of the sash by the operation to fix it in place within the frame and the upper and lower lots that move up and down in conjunction with the rotation axis of the lever handle. In the inner window that is supported by three points, the arm pin of the link arm that is built in the guide box and is attached to the slider so that one end can be rotated and slid is installed in the frame that forms the outer frame of the sash for fixing the shoji. The other end of the link arm is mounted with a stopper pin that engages and slides in a sliding groove installed in a guide receiver attached to the saddle collar. And the sash The frame forming the frame and the shoji collar are suspended and linked by a link arm. When the lever handle is rotated to open the shoji in this state, the link arm serves as a stopper and the shoji restrictive opening. In addition, an emergency release button is installed on the outer frame of the sash that contains the shoji and is fixed in place, and the end of the emergency release button is built in the guide box by lowering and lowering. A stopper pin provided at the other end of the link arm is engaged with the link arm via the slider and the link arm slides downward. When the lever handle is rotated from the lower part and the lever is opened in this state, the link arm does not act as a stopper and the door can be opened in the fully open state. To provide a window open inner having a function of the emergency entrance to.

In the present invention, the lever handle attached to the shoji has an operation for fixing the shoji to a predetermined position in the outer frame of the sash by rotating the latch, and an upper portion and a lower portion that move up and down in conjunction with the rotation shaft of the lever handle. The shoji is engaged with the upper and lower frames of the sash outer frame according to the lot, and the shoji is fixed by three-point support. The operation function of the emergency entrance is provided on the outside and inside of the shoji. Separately from the lever handle, the opening of the shoji is restricted by sliding the link arm downward by the lowering operation of the emergency release button provided on the outside of the sash outer frame that fixes the shoji inside. It is an object of the present invention to provide an internal opening window having an emergency entrance operation function capable of opening in a fully open state.

Further, in the present invention, the frame arm that forms the outer frame of the sash and the link arm that is installed on the shoji of the shoji frame can be installed in the vicinity of the lever handle of the shoji, and is strong against wind pressure at the time of opening with restriction. It is intended to provide an inward window with an emergency entrance operation function capable of exerting wind pressure.

Thus, the present invention is not greatly different in appearance from a normal casement window, and the operation of an emergency entrance having excellent operability is achieved while reducing the influence on the appearance of the entire building. The function of the emergency entrance that allows the fire brigade to easily and reliably open the internal opening window to the full open state in the event of a fire. It has. In addition, the present invention is an internal opening window that can perform a natural ventilation with a restricted opening that can ensure safety by swinging the shoji to the indoor side even if there is no dimensional margin to the road boundary in normal times In addition, the shoji of the inner window can be opened to the indoor side in a fully open state to clean the glass and sash frame and maintain the emergency entrance operating mechanism. It is possible to provide an inner case window provided with.

More specifically, the effect of the present invention is that, in normal times, ordinary people can open from the inside of the building by turning the lever handle 90 degrees from the inside of the inner opening window. The link arm mechanism that operates separately from the operation enables the provision of an internal opening window that allows a limited opening with safety and allows natural ventilation.

In the present invention, the lever handle attached to the shoji is linked to the lever handle's original operation and operation to fix the shoji to a predetermined position in the outer frame by rotating the latch, and to the rotation axis of the lever handle. The upper and lower lots move up and down to engage the shoji with the upper and lower frames of the outer frame, and the shoji is fixed by three-point support. In addition to the lever handle provided on the inner side, it has a simple and simple mechanism for operating the emergency entrance by lowering the emergency release button provided on the outer frame of the sash that houses and fixes the shoji. It is possible to provide an internal window.

In the present invention, the link arm mechanism that performs the limited opening of the shoji and the full open opening operation is a link arm that is connected to the emergency release button and rotates between the shoji and the sash frame that forms the sash outer frame. The link arm is installed at the operation slider (21) via a chain (29) that is changed to a right angle with the slider (3A) by operating the lever handle as in the conventional device, and A link arm which is not provided in a lower frame and a lower flange portion having a long stroke connected to a link device, but is attached to a flange frame forming a sash outer frame so that one end thereof can be moved up and down, and the link arm A link arm having a function of engaging with a sliding groove provided on the shoji ridge at the other end of the sliding door and sliding in the sliding groove and in some cases releasing the connection with the heel frame. By installing it in a simple and reliable manner, it is possible to make a limited opening only from the inside side, and the function of an emergency entrance that can easily and reliably open the inner opening window from the outside side to a fully open state. It is possible to provide an internal opening window provided.

Furthermore, the link arm mechanism according to the present invention can be installed at least near the lever handle. Compared with the conventional device provided at the lower end of the shoji, the link of the inner window near the center of the shoji. It is possible to provide an inner opening window that can be provided with an arm mechanism and is extremely strong against wind pressure at the time of limited opening.

(A) The inside view of the inside case window explaining embodiment of this invention. (B) The external view of the internal opening window explaining embodiment of this invention. The external appearance lever handle part enlarged view of FIG.1 (B). (A) Enlarging operation of the lever handle (the state in which the latch can be removed and opened). (B) Enlarging operation of the lever handle (closed state with a latch fitted). The cross-sectional view which shows a restricted opening state by operation | movement description of a lever handle part. (A) Side surface explanatory drawing of FIG. (B) Right side explanatory drawing of FIG. 5 (A). The plane sectional view which shows a full open opening state by operation | movement description of a lever handle part. (A) Side surface explanatory drawing of FIG. (B) Right side explanatory drawing of FIG. 7 (A). (A) The frame shape explanatory drawing at the time of a full open opening state. (B) The eaves shape explanatory drawing at the time of a full open opening state. (A) The operation | movement figure which returns the full open opening state of a shoji to the opening state with a restriction | limiting using a jig. (B) The operation | movement figure of the jig which returns to a restricted opening state. (C) Explanatory drawing of the position of the link arm returned to the restricted open state. Operation explanatory drawing which creates the restricted opening state of a link arm, and a full open opening state from the inside of a building using a jig.

Thus, the present invention is not greatly different in appearance from a normal inner window, and the operation of the emergency entrance excellent in operability is achieved while reducing the influence on the overall appearance of the building. The operation function is an emergency entrance that allows the fire brigade to easily and reliably open the inner window in the full open state in the event of a fire. It is equipped with a function, and normally, even if there is no dimensional margin to the road boundary, the shoji can be swung to the indoor side and a limited opening that ensures safety is possible and natural ventilation can be performed. In addition to providing an opening window, the inner window opening is fully open on the indoor side to clean the glass and sash frame and to maintain the emergency entrance operation mechanism. Inner opening with operation function It is intended to provide.

The present invention is a link arm mechanism in which a normal person can open an opening by rotating the lever handle 90 degrees from the inside of the inner opening window from the inside of the building, and operates separately from the operation of the lever handle. Thus, an opening window with a limited opening that can ensure safety and capable of natural ventilation is provided.

Further, in the present invention, the lever handle attached to the shoji includes the operation of fixing the shoji in a predetermined position in the outer frame by the rotation of the latch, and the rotation axis of the lever handle. The upper and lower lots that move up and down in conjunction with each other engage the shoji with the upper and lower frames of the outer frame to fix the shoji with three points of support. Operation function of the emergency entrance that has a simple and simple mechanism by the lowering operation of the emergency release button provided on the outer frame of the sash that houses and fixes the shoji separately from the lever handle provided on the outside and inside It provides an inner case window provided with.

In the present invention, the link arm mechanism that performs the limited opening of the shoji and the full open opening operation is a link arm that is connected to the emergency release button and rotates between the shoji and the sash frame that forms the sash outer frame. The link arm is installed at the operation slider (30) via a chain (29) which is changed to a right angle with the slider (3A) by operating the lever handle as in the conventional device, and A link arm which is not provided in a lower frame and a lower flange portion having a long stroke connected to a link device, but is attached to a flange frame forming a sash outer frame so that one end thereof can be moved up and down, and the link arm A link arm having a function of engaging with a sliding groove provided on the shoji ridge at the other end of the sliding door and sliding in the sliding groove and in some cases releasing the connection with the heel frame. By installing it in a simple and reliable manner, it is possible to make a limited opening only from the inside side, and the function of an emergency entrance that can easily and reliably open the inner opening window from the outside side to a fully open state. An inner casement window provided is provided.

Further, the link arm mechanism according to the present invention can be installed at least near the lever handle. Compared to the conventional device provided at the lower end of the shoji, the link arm mechanism is used for an inner window near the center of the shoji. A link arm mechanism can be provided, and an inner opening window that is extremely strong against wind pressure at the time of a restricted opening is provided.

Thus, in a preferred embodiment of the present invention, the lever handle on the external side and the internal side installed on the shoji of the shoji built in the outer frame rotates the latch by rotating the lever handle on the external side and the internal side. The shoji is connected to the upper and lower frames forming the sash outer frame by the operation of moving and fixing the shoji in place in the outer frame of the sash and the upper and lower lots that move up and down in conjunction with the rotation axis of the lever handle. In the case of the inner window that supports the shoji with three-point support, the saddle frame that forms the outer frame of the sash that fixes the shoji is built in the guide box, and one end of the slider can be rotated and slid. The arm pin of the attached link arm is attached, and the other end of the link arm engages with a sliding groove installed on a guide receiver attached to the saddle of the shoji to rotate and slide in the sliding groove. Stopper pin to be mounted The sash frame forming the sash outer frame and the shoji of the shoji are suspended and linked by a link arm. When the shovel is opened by rotating the lever handle in this state, the link arm functions as a stopper. An emergency release button is installed on the outer frame of the sash that houses the shoji and is fixed at a predetermined position. The guide is installed in the guide box and a stopper pin provided at the other end of the link arm is attached to the side of the shoji. When the lever handle is rotated and the shoji is opened in this state by separating from the bottom of the sliding groove on the receiver, the link arm does not act as a stopper and the shoji is fully open. It is preferable that a window open inner having the function of emergency entrance that can open to the state.

According to a preferred embodiment of the present invention, the lever handle attached to the shoji is moved up and down in conjunction with an operation of fixing the shoji to a predetermined position in the outer frame of the sash by rotating the latch, and a rotation axis of the lever handle. The shoji is engaged with the upper and lower frames of the sash outer frame by the upper and lower lots, and the shoji is fixed by three-point support. The operation function of the emergency entrance is on the outside of the shoji. In addition to the lever handle provided on the inner side, the shoji is restricted by sliding the link arm downward by the lowering operation of the emergency release button provided on the outer side of the outer frame of the sash that fixes and holds the shoji. It is preferable to have an operation function of an emergency entrance that can open the opening and the fully open state of the shoji.

Furthermore, in the present invention, the link arm that is installed in a suspended connection between the saddle frame that forms the outer frame of the sash and the saddle of the shoji has a configuration that can be installed near the lever handle of the shoji. It is preferable that the inner window has an operation function of an emergency entrance that allows the link arm to exhibit a wind-resistant pressure that is strong against the wind pressure.

Thus, the present invention is not greatly different in appearance from a normal casement window, and the operation of an emergency entrance having excellent operability is achieved while reducing the influence on the appearance of the entire building. The function of the emergency entrance that allows the fire brigade to easily and reliably open the internal opening window to the full open state in the event of a fire. It has. In addition, the present invention is an internal opening window that can perform a natural ventilation with a restricted opening that can ensure safety by swinging the shoji to the indoor side even if there is no dimensional margin to the road boundary in normal times In addition, the shoji of the inner window can be opened to the indoor side in a fully open state to clean the glass and sash frame and maintain the emergency entrance operating mechanism. It is possible to provide an inner case window provided with.

Further, the effect of the present invention will be described more specifically. In normal times, ordinary people can open the lever handle from the inside side of the internal opening window by turning the lever handle 90 degrees, and the lever handle The link arm mechanism that operates separately from the operation enables the provision of an internal opening window that allows a limited opening with safety and allows natural ventilation.

In the present invention, the lever handle attached to the shoji is linked to the lever handle's original operation and operation to fix the shoji to a predetermined position in the outer frame by rotating the latch, and to the rotation axis of the lever handle. The upper and lower lots move up and down to engage the shoji with the upper and lower frames of the outer frame, and the shoji is fixed by three-point support. In addition to the lever handle provided on the inner side, it has a simple and simple mechanism for operating the emergency entrance by lowering the emergency release button provided on the outer frame of the sash that houses and fixes the shoji. It is possible to provide an internal window.

In the present invention, the link arm mechanism that performs the limited opening of the shoji and the full open opening operation is a link arm that is connected to the emergency release button and rotates between the shoji and the sash frame that forms the sash outer frame. The link arm is installed at the operation slider (30) via a chain (29) which is changed to a right angle with the slider (3A) by operating the lever handle as in the conventional device, and A link arm which is not provided in a lower frame and a lower flange portion having a long stroke connected to a link device, but is attached to a flange frame forming a sash outer frame so that one end thereof can be moved up and down, and the link arm A link arm having a function of engaging with a sliding groove provided on the shoji ridge at the other end of the sliding door and sliding in the sliding groove and in some cases releasing the connection with the heel frame. By installing it in a simple and reliable manner, it is possible to make a limited opening only from the inside side, and the function of an emergency entrance that can easily and reliably open the inner opening window from the outside side to a fully open state. It is possible to provide an internal opening window provided.

Furthermore, the link arm mechanism according to the present invention can be installed at least near the lever handle. Compared with the conventional device provided at the lower end of the shoji, the link of the inner window near the center of the shoji. It is possible to provide an inner opening window having a link arm mechanism that can be provided with an arm mechanism and is extremely strong against wind pressure at the time of restricted opening.

1 to 3, FIG. 1A is an interior view of an internal opening window for explaining an embodiment of the present invention, and FIG. 1B is an external view of the internal opening window for explaining an embodiment of the present invention. FIG. 2 is an enlarged view of the appearance lever handle portion of FIG.
FIG. 3 (A) is an explanation of the enlarged operation of the lever handle, and the lever handle is turned 90 degrees from the fixed position, the latch is removed from the outer frame, and the shoji can be opened. FIG. 3 (B) is the lever handle. The state is shown in which the shoji is closed by returning the shoji to the fixed position of the shoji and fitting the latch to the outer frame.

Next, FIGS. 4 to 8 are explanatory diagrams of the operation state, FIG. 4 is a plan sectional view showing a restricted opening state in the operation description of the lever handle portion, and FIG. 5 (A) is a side view of FIG. FIG. 5 (B) is an explanatory diagram on the right side of FIG. 5 (A) and explains the operation in the restricted opening state. 6 is a plan sectional view showing the fully open state in the explanation of the operation of the lever handle part, FIG. 7A is a side view of FIG. 6 part, and FIG. 6B is FIG. 7A. 8A is an explanatory diagram of the shape of the saddle frame in the fully open state, and FIG. 8B is an explanatory diagram of the shape of the saddle in the fully open state. .

1 to 3, the members forming the sash outer frame 1 are composed of the heel frames 2a, 2b, the upper frame 3, and the lower frame 4. The sash outer frame 1 has the heels 5a and 5b on both sides. A shoji 9 that supports the glass 8 and the like by the upper arm 6 and the lower arm 7 is fixed. Further, an inner lever handle 10 and an outer lever handle 11 are installed on the heel 5a of the shoji 9 and can be interlocked by a rotating shaft 12 (described in FIG. 3) of the inner lever handle 10 and the outer lever handle 11. Inner case windows installed on the outer side 13 and the inner side 14 of the shoji 9 are configured.

In FIG. 1A, a broken line 15a indicates an upper lot, 15b indicates a lower lot, and the upper lot 15a and the lower lot 15b move up and down by the rotation of the inner lever handle 10 and the outer lever handle 11. When the inner lever handle 10 and the outer lever handle 11 are in the state shown in FIGS. 1A and 1B and the shoji 9 is built in the sash outer frame 1, the inner lever handle 10 and the outer lever handle 11 are In accordance with the original operation and role of the lever handle, the latch 16 (described in FIG. 3) is rotated to fix the shoji 9 in the outer frame 1 at a predetermined position of the collar frame 2a; The shoji 9 is engaged with the upper frame 3 of the sash outer frame 1 and the lower frame 4 of the sash outer frame 1 by the upper lot 15a and the lower lot 15b that move up and down in conjunction with the rotating shaft 12 of the lever handle 11. Solid The operation function of the emergency entrance of the inner window is the same as that of the inner lever handle 10 and the outer lever handle 11 provided on the outer side 13 and the inner side 14 of the shoji 9. The emergency release button 17 provided on the collar frame 2a of the sash outer frame 1 to be built-in and fixed is configured to be lowered and lowered.

4 and 5 (A) and 5 (B) show a state in which the inner lever handle 10 on the inner side 14 of the shoji 9 is operated to move the shoji 9 to the inner side of the inner opening window. In this case, an ordinary person can normally open the inner lever handle 10 by rotating the inner lever handle 10 from the inner side 14 of the inner opening window by 90 degrees from the inside of the building, and the inner lever handle 10 opens and closes the window. The link arm 18 that operates separately enables a limited opening that ensures safety, and provides an internal opening window that allows natural ventilation.

4 and 5 (A) and 5 (B), the same symbols as those in FIGS. 1 to 3 denote the same components, and the guide frame 2a that forms the sash outer frame 1 in which the shoji 9 is built and fixed is provided as a guide. An arm pin 22 of a link arm 18 which is built in a guide box 20 having a groove 19 and which is mounted on a slider 21 so that one end thereof is rotatable and slidable is mounted. A stopper pin 25 that is engaged with a sliding groove 24 installed in a guide receiver 23 attached to the flange 5a 'and rotates and slides in the sliding groove 24 is mounted. Then, the collar frame 2a forming the sash outer frame 1 and the collar 5a 'of the shoji 9' are suspended and linked by the link arm 18. In this state, the inner lever handle 10 'is rotated from the inner side 14. When the shoji 9 'is moved to move, the link arm 18 acts as a stopper for the shoji 9', and the shoji 9 'has a restricted opening, which prevents the fall prevention for the general public. The opening is secured and natural indoor ventilation is possible.
The holes 26a and 26b drilled near the other end of the link arm 18 are mounting portions for a jig for operating the link arm 18, and the inner opening window having an emergency entrance function using the jig is used. The resetting method will be described in detail later in the description of the operation.

Thus, FIG. 6 is a plan sectional view showing a fully open opening state in the explanation of the operation of the lever handle part, FIG. 7A is a side view of FIG. 6 part, and FIG. 6B is FIG. FIG. 8A is an explanatory diagram on the right side of FIG. 8A, FIG. 8A is an explanatory diagram of the shape of the saddle frame in the fully open state, and FIG. 8B is an explanatory diagram of the shape of the saddle in the fully open state. ing.

6 to 8, the same reference numerals as those in FIGS. 1 to 3 denote the same components, and an emergency release button 17 is installed on the eaves frame 2a of the sash outer frame 1 in which the shoji 9 is built and fixed in a predetermined position. The emergency release button 17 is configured to be able to be lowered and lowered, and an end portion 27 of the emergency release button 17 is incorporated in the guide box 20 and is engaged with the link arm 18 via the slider 21. When the link arm 18 is slid downward, the stopper pin 25 provided at the other end of the link arm 18 is detached from the lower portion of the sliding groove 24 on the guide receiver 23 attached to the flange 9 of the shoji 9. In this state, when the fire brigade turns the outer lever handle 11 from the outer side 13 of the window and opens the shoji 9, the stopper pin 25 of the link arm 18 is detached from the lower portion of the sliding groove 24. Stopper Shoji 9 does not play a role is a window open inner having a function of the emergency entrance that can be opened to the full open state.

Next, in FIG. 9 and FIG. 10, the method of returning the fully open opening state used by the firefighter as an emergency entrance to the restricted opening state, or the building manager cleaning the internal opening windows and the emergency entrance A method of returning the fully open opening state to the restricted opening state after cleaning and the like after obtaining the fully open opening state for maintenance will be described. The method of returning the fully open opening state to the restricted opening state is performed from the inside of the room due to its character, and will be described with reference to FIGS. 9 (A), 9 (B), and 9 (C).

In FIG. 9A, 2a is a collar frame of the outer frame of the sash, 28 is a jig, 29a and 29b are projecting pins provided on the jig, and the jig 28 has a T-shape. The operating method is to insert the projecting pins 29a and 29b of the jig 28 into the holes 26a and 26b of the link arm 18 installed inside the frame 2a with the shoji 9 (not shown) opened.
FIG. 9B shows a state in which the projecting pins 29 a and 29 b of the jig 28 are inserted into the holes 26 a and 26 b of the link arm 18. Then, with the shoji 9 closed, the jig 28 is raised.
In FIG. 9C, when the jig 28 is lifted up with the shoji 9 closed, the stopper pin 25 of the link arm 18 is lifted along the sliding groove 24, and the stopper pin 25 is inserted into the sliding groove 24. Are fitted together, the shoji 9 and the sash outer frame frame 2a are suspended and linked via the link arm 18.
Therefore, when the shoji 9 is opened and the jig 28 is removed, the inner opening window always maintains the restricted opening state.

Next, with reference to the operation diagram of FIG. 10, an operation for changing the restricted opening state of the link arm from the inside of the building to the fully open opening state using a jig will be described. In FIG. 10, 2a is a saddle frame of the sash outer frame, 17 is an emergency release button, 5a is a saddle, 9 is a shoji, 18 is a link arm, 22 is an arm pin, 25 is a stopper pin, 23 is a guide receiver, and 24 is a slide. A moving groove 28 indicates a jig.

Thus, in order to change the restricted opening state of the link arm from the inside of the building to the fully open opening state using a jig, the shoji 9 is opened from the inside, and the link arm 18 installed inside the frame 2a. The projecting pins 29a and 29b of the jig 28 are inserted into the holes 26a and 26b, the shoji 9 is closed while the jig 28 is lowered from A to B, and the link arm 18 is lowered when the jig 28 is further lowered. 25 is disengaged from the sliding groove 24 and the emergency release button 17 provided on the outside is lowered, and in this state, the shoji 9 can be fully opened, and the sash can be cleaned from the inside. Become,

Thus, the present invention is not greatly different in appearance from a normal inner window, and the operation of the emergency entrance excellent in operability is achieved while reducing the influence on the overall appearance of the building. The function of the emergency entrance that allows the fire brigade to easily and reliably open the internal opening window to the full open state in the event of a fire. It has. In addition, the present invention is an internal opening window that can perform a natural ventilation with a restricted opening that can ensure safety by swinging the shoji to the indoor side even if there is no dimensional margin to the road boundary in normal times In addition, the shoji of the inner window can be opened to the indoor side in a fully open state to clean the glass and sash frame and maintain the emergency entrance operating mechanism. It is possible to provide an inner case window provided with.

More specifically, the effect of the present invention is that, in normal times, ordinary people can open from the inside of the building by turning the lever handle 90 degrees from the inside of the inner opening window. The link arm mechanism that operates separately from the operation enables the provision of an internal opening window that allows a limited opening with safety and allows natural ventilation.

In the present invention, the lever handle attached to the shoji is linked to the lever handle's original operation and operation to fix the shoji to a predetermined position in the outer frame by rotating the latch, and to the rotation axis of the lever handle. The upper and lower lots move up and down to engage the shoji with the upper and lower frames of the outer frame, and the shoji is fixed by three-point support. In addition to the lever handle provided on the inner side, it has a simple and simple mechanism for operating the emergency entrance by lowering the emergency release button provided on the outer frame of the sash that houses and fixes the shoji. It is possible to provide an internal window.

In the present invention, the link arm mechanism that performs the limited opening of the shoji and the full open opening operation is a link arm that is connected to the emergency release button and rotates between the shoji and the sash frame that forms the sash outer frame. The link arm is installed at the operation slider (21) via a chain (29) that is changed to a right angle with the slider (3A) by operating the lever handle as in the conventional device, and A link arm which is not provided in a lower frame and a lower flange portion having a long stroke connected to a link device, but is attached to a flange frame forming a sash outer frame so that one end thereof can be moved up and down, and the link arm A link arm having a function of engaging with a sliding groove provided on the shoji ridge at the other end of the sliding door and sliding in the sliding groove and in some cases releasing the connection with the heel frame. By installing it in a simple and reliable manner, it is possible to make a limited opening only from the inside side, and the function of an emergency entrance that can easily and reliably open the inner opening window from the outside side to a fully open state. It is possible to provide an internal opening window provided.

Furthermore, the link arm mechanism according to the present invention can be installed at least near the lever handle. Compared with the conventional device provided at the lower end of the shoji, the link of the inner window near the center of the shoji. It is possible to provide an inner opening window that can be provided with an arm mechanism and is extremely strong against wind pressure at the time of limited opening.

DESCRIPTION OF SYMBOLS 1 Sash outer frame 2a, 2b 竪 frame 3 Upper frame 4 Lower frame 5a, 5b 竪 框 6 Upper rod 7 Lower rod 8 Glass 9 Shoji 10 Inner lever handle 11 Outer lever handle 12 Rotating shaft 13 Outer side 14 Inner side 15a Upper lot 15b Lower lot 16 Latch 17 Emergency release button 18 Link arm 19 Guide groove 20 Guide box 21 Slider 22 Arm pin 23 Guide receiver 24 Slide groove 25 Stopper pin 26a, 26b Hole 27 End 28 Jig 29a, 29b Projection pin

Claims (3)

The external and internal lever handles installed on the shoji of the shoji built in the outer frame rotate the latch by the rotation of the outer and inner lever handles to move the shoji into the sash outer frame. The shoji is fixed at three points by engaging the shoji with the upper and lower frames that form the sash outer frame by the upper and lower lots that move up and down in conjunction with the rotation axis of the lever handle. In the case of the casement window
An arm pin of a link arm, which is built in a guide box and is attached to a slider so that one end can be rotated and slid, is mounted on a sash outer frame that fixes the shoji inside.
The other end of the link arm is fitted with a stopper pin that engages with a sliding groove installed in a guide receiver attached to the shoji of the shoji and rotates and slides in the sliding groove.
The saddle frame that forms the outer frame of the sash and the saddle of the shoji are suspended and linked by a link arm. In this state, when the lever handle is rotated to open the shoji, the link arm serves as a stopper and the shoji There is a restricted opening, and an emergency release button is installed on the outer frame of the sash that houses the shoji and fixes it in place.
The emergency release button is lowered and lowered, and its end is built in the guide box and engaged with the link arm via the slider. The link arm slides downward and is provided at the other end of the link arm. When the stopper pin is released from the bottom of the sliding groove on the guide receiver attached to the shoji of the shoji and the lever handle is rotated in this state to open the shoji, the link arm serves as a stopper. An internal opening window with an emergency entrance function, where the shoji can be opened in a fully open state. The lever handle attached to the shoji is an operation for fixing the shoji to a predetermined position in the sash outer frame by rotating the latch,
The upper and lower lots that move up and down in conjunction with the rotation axis of the lever handle engage the shoji with the upper and lower frames of the sash outer frame to fix the shoji with three-point support.
The operation function of the emergency entrance is a link arm by the lowering operation of the emergency release button provided on the outer side of the outer frame of the sash that fixes the built-in shoji separately from the lever handle provided on the outside and inside of the shoji. The inner opening window having the emergency entrance function according to claim 1, wherein the restricted opening and the fully open state opening can be formed by sliding downwardly. The link frame installed on the saddle frame forming the sash outer frame and the shoji screen has a structure that can be installed in the vicinity of the lever handle of the shoji and has a strong wind pressure resistance against the wind pressure when the opening is restricted. The casement window with the emergency entrance function described in 1.

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