Opening device

Abstract

To provide an easy-to-use means for unlocking an opening device in an emergency.SOLUTION: The present invention includes a shoji screen and a frame. One of the shoji screen and the frame has a lock pin, and the other has a lock pin receiver. The lock pin receiver forms a locking region in which the lock pin is slidably locked and an open region in which it is unlocked, and the lock pin moves using either an outside operating unit or an inside operating unit, moving the lock pin relative to the lock pin receiver between the locking region and the open region. The lock pin receiver moves using the other of the outside operating unit or the inside operating unit, moving the lock pin receiver between the locking region and the open region relative to the lock pin. The above-mentioned problem has been solved by making the shoji screen an opening device which is unlocked when the lock pin reaches the open region of the lock pin receiver.SELECTED DRAWING: Figure 6

Description

[Technical Field]

[0001] The present invention relates to an opening device that can be opened from the outside. [Background technology]

[0002] Traditionally, opening devices such as vertical sliding windows have been installed in buildings. Some opening devices allow firefighters to open the shoji screen from outside in the event of an emergency such as a fire. The opening device has an external handle, which firefighters can operate to open the shoji screen even if it is locked from the inside. Summary of the Invention [Problem to be solved by the invention]

[0003] However, opening devices that can be opened with an external handle are difficult to use. An object of the present invention is to provide an opening device that is easy to use. [Means for solving the problem]

[0004] The present invention solves the above-mentioned problems by providing an opening device comprising a shoji screen and a frame, one of the shoji screen and the frame having a lock pin and the other having a lock pin receiver, the lock pin receiver forming a locking area where the lock pin is slidably engaged and an open area where it is not engaged, the lock pin moves with either the outdoor operating part or the indoor operating part, moving the lock pin between the locking area and the open area relative to the lock pin receiver, the lock pin receiver moves with the other of the outdoor operating part or the indoor operating part, moving the lock pin receiver between the locking area and the open area relative to the lock pin, and the shoji screen is unlocked when the lock pin reaches the open area of ​​the lock pin receiver. [Effects of the Invention]

[0005] The opening device of the present invention is easier to use than the conventional one. [Brief explanation of the drawings]

[0006] [Figure 1] FIG. 1 is an external view of the opening device according to the embodiment, showing the position of the outdoor operation side operating unit when locked and the position of the outdoor operation side operating unit when unlocked. [Figure 2] Fig. 2 is an internal view of an opening device according to an embodiment. Fig. 2(A) is an internal view showing the position of the indoor side operating unit when locking and unlocking, and Fig. 2(B) is an enlarged view of the indoor side operating unit when locking and unlocking. [Figure 3] Figure 3 is an explanatory diagram of locking and unlocking by the indoor operation unit of the opening device according to the embodiment. Figure 3(Aa) is an explanatory diagram of the position of the lock pin receiver and lock pin fixed on the vertical frame slider when locked. Figure 3(Ab) is an explanatory diagram explaining their position when unlocked. Figure 3(Ac) is a cross-sectional view of the vicinity of the indoor operation unit. For the sake of explanation, the lock pin receiver and lock pin are not shown. Figure 3(B) is a side view and a plan view of the lock pin receiver. [Figure 4] Fig. 4(A) is a cross-sectional view of the main part of the indoor operation unit structure, and Fig. 4(B) is an explanatory diagram of the movement of the rotating plate. [Figure 5] FIG. 5 is an explanatory diagram of the connecting plate and the vertical frame slider. [Figure 6] Fig. 6 is an explanatory diagram of unlocking by the outdoor operation unit of the opening device according to the embodiment. Fig. 6(Aa) is an explanatory diagram of the position of the lock pin provided on the vertical stile support when locked. Fig. 6(Ab) is an explanatory diagram showing the position of the lock pin receiver when forcibly unlocking by the outdoor operation unit. Fig. 6(Ac) is an explanatory diagram showing the position of the lock pin when forcibly unlocking by the outdoor operation unit. Fig. 6(B) is a cross-sectional view taken along line B-B in Fig. 6(Aa). DETAILED DESCRIPTION OF THE INVENTION

[0007] [Example] (exterior) The opening device in the embodiment is exemplified by a vertical sliding window 1. The present invention is not limited to a vertical sliding window, and any type of opening device can be used as long as it is applicable. FIG. 1 is an external view of a vertical sliding window 1 (opening device) according to an embodiment, showing the position of the outside operating unit 4 when locked and the position of the outside operating unit 4 when unlocked. The vertical sliding window 1 is an opening device that has friction stays (not shown) at the top and bottom that connect the shoji screen 3 and the frame 2, and opens by sliding the shoji screen 3. The left and right of FIG. 1 are the left and right of the interior view. The left and right of FIG. 1, which is an external view, are based on the interior view and are the directions shown. The hanging side of the shoji screen 3 is on the left side. The outdoor operating unit 4 is attached to the bottom of the right-side vertical frame 31. The outdoor operating unit 4 is bent in a roughly dogleg shape and can rotate around an outdoor operating unit rotation shaft 42 provided near the bottom end of the right-side vertical frame 31. When a firefighter or other person turns the outdoor operating unit 4 in the unlocking direction, the sliding screen 3 can be forcibly unlocked even if it is locked from the inside of the room. This allows the firefighter to open the vertical sliding window 1 (opening device) and carry out firefighting activities without any hindrance.

[0008] (Interior view) Fig. 2 is an interior view of a vertical sliding window 1 (opening device) according to an embodiment. Fig. 2(A) is an interior view when locked and unlocked, and Fig. 2(B) is an enlarged view of the outdoor operating unit 4 when locked and unlocked. The indoor operating unit 5 locks the vertical sliding window 1 to prevent it from opening, and is attached to the right-hand vertical frame 21 as shown in Figures 2(A) and 2(B). Locking and unlocking are performed by rotating the indoor operating unit 5. The indoor operating unit 5 houses a moving mechanism that moves the vertical frame slider 51, which will be described later, so the casing that houses the indoor operating unit 5 is arranged to protrude inward from the vertical frame projected surface 211. The indoor operating unit 5 is not particularly limited as long as it can be operated, and may be a handle, a grip, a lever, or a doorknob-like shape. Note that the indoor operating unit 5 in the embodiment is a lever. The unlocked shoji screen 3 can be opened using the pull handle 35 attached to the vertical frame 31 on the right side.

[0009] [Unlocking and locking mechanism operated from the inside of the room] (Lock pin and lock pin holder) 3A and 3B are explanatory diagrams of locking and unlocking of a vertical sliding window 1 (opening device) according to an embodiment using an indoor operation unit 5. Fig. 3Aa is an explanatory diagram of the positions of the lock pin receiver 6 and the lock pin 45 fixed on the vertical frame slider 51 when locked. Fig. 3Ab is an explanatory diagram illustrating their positions when unlocked.

[0010] As shown in Figure 3(Aa), the vertical frame 21 has a vertical frame guide groove 54 and a vertical frame slider 51. The vertical frame slider 51 is raised when locked in Figure 3(Aa), but lowered when unlocked in Figure 3(Ab). The lock pin receiver 6 is fixed onto the vertical frame slider 51, and moves as the vertical frame slider 51 moves up and down relative to the vertical frame 21. As shown in Figure 3(B), the lock pin 45 is attached to the vertical stile 31 (vertical stile auxiliary 41) and is therefore immovable. Figure 3(Ac) is a cross-sectional view of the vicinity of the indoor operating unit, and for the sake of explanation, the lock pin receiver 6 and lock pin 45 are not shown. In this embodiment, the lock pin receiver 6 moves relative to the immovable lock pin 45 to perform unlocking and locking.

[0011] FIG. 3(B) shows a plan view and a side view of the lock pin receiver 6. The state shown in FIG. 3(B) is the locked state. The lock pin receiver 6 has a slide groove 63 consisting of two areas: a locking area 61 that slidably locks the lock pin 45, and an open area 62 in the unlocked state. When locked, the lock pin 45 attached to the vertical frame 31 is fitted into the lower end of the locking area 61 of the lock pin receiver 6, preventing the shoji screen 3 from opening. To unlock, the vertical frame slider 51 is moved downward. As the lock pin receiver 6 fixed on the vertical frame slider 51 moves, the position of the lock pin 45 relative to the lock pin receiver 6 moves to the open area 62 in the unlocked state. When the user then inserts their hand into the handle 35 and moves the shoji screen 3, the lock pin 45 attached to the vertical frame 31 comes out of the open area 62 in the unlocked state, and the shoji screen 3 opens.

[0012] (Vertical frame slider movement mechanism) Fig. 4(A) is a cross-sectional view of the main part of the indoor operating unit structure. Fig. 4(A) is almost the same cross-section as Fig. 3(Ac), but it is a cross-sectional view showing the vertical stile 31 (vertical stile support 41) and lock pin receiver 6, which were omitted in Fig. 3(Ac). The movement mechanism of the vertical frame slider 51 is generally composed of a connecting plate 55, a rotating plate 53, an indoor operation unit rotating shaft 56, and an indoor operation unit 5, as shown in Figures 3(Aa) to 3(Ac) and 4. The movement mechanism of the vertical frame slider 51 is generally a mechanism that converts the rotational movement of the indoor operation unit rotating shaft 56 into translational movement by the rotating plate 53 and the sliding groove 551 of the connecting plate 55, and moves the vertical frame slider 51 connected to the connecting plate 55 up and down.

[0013] (Vertical frame slider) As shown in Fig. 4(A), a pair of engagement protrusions 22 spaced apart in the width direction are provided on the vertical frame projected surface 211. The pair of engagement protrusions 22 form a U-shaped and an inverted U-shaped groove that are bent toward each other. A vertical frame guide groove forming member 541 is inserted into this pair of engaging protrusions 22. The vertical frame guide groove forming member 541 is hollow with the inner periphery of the opening device open. Both ends of the hollow portion of the vertical frame guide groove forming member 541 embrace both ends of the vertical frame slider 51 to form vertical frame guide grooves 54 that guide the vertical frame slider 51. The surface of the vertical frame slider 51 is exposed from an opening in the center of the hollow portion of the vertical frame guide groove forming member 541. The vertical frame guide grooves 54 embrace both widthwise ends of the vertical frame slider 51 to prevent the vertical frame slider 51 from falling off and also serve as a guide for the vertical frame slider 51 when moving up and down.

[0014] (Lock pin fitting into lock pin receiver) As shown in Figures 3(Aa), 3(Ab), and 4(A), the lock pin receiver 6 is fastened to the surface of the vertical frame slider 51 on the inner periphery of the opening device. Figure 4(A) is a cross-sectional view when locked. The lock pin 45 is attached to the vertical frame auxiliary 41 provided on the outer periphery of the opening device of the vertical frame projection surface 311, and extends from the vertical frame auxiliary 41 toward the lock pin receiver 6. The tip of the lock pin 45 is an expanded diameter portion 451, which acts as a stopper to prevent the lock pin 45 from coming out of the locking region 61 when it is positioned in the locking region 61 shown in Figure 3(B).

[0015] (Connection plate) As described above, the movement mechanism is composed of the connecting plate 55, the rotating plate 53, the indoor operation unit rotating shaft 56, and the indoor operation unit 5. The connecting plate 55 is fastened to the surface of the vertical frame slider 51 and is a member that connects the rotating plate 53 and the vertical frame slider 51. The connecting plate 55 has three main regions: an overlapping portion 552, a bent portion 553, and a flat portion 554. The overlapping portion 552 is a flat region that overlaps with the surface of the vertical frame slider 51 and is fastened to it. The overlapping portion 552 is connected to the bent portion 553 via a connector 555, and the bent portion 553 is a region that bends in a crank shape. The bent portion 553 bends once in a direction away from the vertical frame slider 51, then bends again and connects to the flat portion 554. As shown in Fig. 4(B), the rotary plate 53 is an oval member in a plan view. Fig. 4(A) shows the rotary plate 53 in a locked state, so the minor axis direction of the oval rotary plate 53 is visible. As shown in Fig. 4(B), the end of the flat portion 554 forms a sliding groove 551.

[0016] (rotating plate) FIG. 4(B) is an explanatory diagram of the movement of rotating plate 53. As described above, rotating plate 53 is an elliptical member in plan view having an opening device inner peripheral side surface (indoor operation unit 5 side) and an opening device outer peripheral side surface. The opening device inner peripheral side surface of rotating plate 53 (indoor operation unit 5 side) is eccentric to one end in the long axis direction of the ellipse, and indoor operation unit rotation shaft 56 is fixed thereto. The opening device outer peripheral side surface of rotating plate 53 is eccentric to the other end in the long axis direction, and a cylindrical sliding protrusion 531 is attached thereto. In other words, rotating plate 53 has indoor operation unit rotation shaft 56 on the opening device inner peripheral side surface and sliding protrusion 531 on the opening device outer peripheral side surface. Rotating plate 53 rotates around indoor operation unit rotation shaft 56. Because indoor operation unit rotation shaft 56 does not move back and forth or left and right, as oval rotating plate 53 rotates around indoor operation unit rotation shaft 56, sliding protrusion 531 on the other end of the long axis rotates in a circle. 4(B) rotates around the indoor operation unit rotation axis 56 as it progresses through locking, intermediate stages, and unlocking, causing the sliding protrusion 531 to move in a circular trajectory. The sliding protrusion 531 is designed to have the same diameter as the minor axis of the sliding groove 551 of the connecting plate 55, and as the rotating plate 53 rotates, it slides smoothly within the sliding groove 551 without wobbling. In addition, the major axis of the sliding groove 551 is designed to be long enough so that the sliding protrusion 531 will not come off even when it rotates, and the sliding protrusion 531 moves without coming off the sliding groove 551.

[0017] (Connecting plate and rotating plate) As described above, moving the indoor operation unit 5 rotates the rotating plate 53. Because the indoor operation unit rotation shaft 56 is eccentrically attached to one end of the long axis of the oval rotating plate 53, the sliding protrusion 531 on the other end of the long axis of the oval rotating plate 53 rotates in a circular motion. The sliding protrusion 531 slides in the sliding groove 551 of the connecting plate 55, causing the connecting plate 55 to move in a translational motion. As a result, the overlapping portion 552 of the connecting plate 55 moves the vertical frame slider 51 up and down. The lock pin receiver 6 fixed to the upper surface of the vertical frame slider 51 moves up and down in accordance with the up and down movement of the vertical frame slider 51. When locked, the lock pin 45, which is located in the locking region 61 of the lock pin receiver 6, does not move. However, when unlocked, the lock pin receiver 6 moves until it reaches the open region 62, where it is disengaged from the lock pin 45, thereby unlocking the door.

[0018] (Vertical frame slider) 5 is an explanatory diagram of the connecting plate 55 and the vertical frame slider 51. For the sake of explanation, the lock pin 45 is not shown. The vertical frame 21 has a pair of engagement protrusions 22 attached to the vertical frame projecting surface 211, which extend toward the inner periphery of the opening device. The pair of engagement protrusions 22 have holding portions 221 that extend toward each other. The vertical frame guide groove forming member 541 is fitted into either the upper or lower end of the pair of engaging protrusions 22. The vertical frame guide groove forming member 541 has a hollow portion inside, into which the vertical frame slider 51 is inserted so as to be movable up and down. The inner peripheral side surface of the opening device of the vertical frame guide groove 54 is overlapped with the overlapping portion 552 of the connecting plate 55, and the two are fastened together. As a result, in accordance with the above-mentioned up and down movement of the connecting plate 55, the vertical frame slider 51 and the lock pin receiver 6 attached thereon move up and down.

[0019] [Unlocking mechanism using the outside operation unit] FIG. 6 is an explanatory diagram of unlocking by the outdoor side operating unit 4 of the opening device 1 according to the embodiment. Fig. 6(Aa) is an explanatory diagram of the position of the lock pin 45 provided on the vertical stile support 41 when locked. Fig. 6(B) is a cross-sectional view taken along line BB in Fig. 6(Aa). The vertical stile 31 has a vertical stile support 41 on the outer periphery of the opening device on the vertical stile projection surface 311. Both ends of the vertical stile support 41 are slidably fitted into vertical stile support sliding grooves 47 provided in the vertical stile 31. A lock pin 45 is attached to the top of the vertical stile support 41, and when the vertical stile support 41 moves, the lock pin 45 also moves. The outdoor operation unit 4 has a grip portion 49 that protrudes from the outdoor side of the vertical stile 31 and extends approximately parallel to the vertical stile 31. A sloped portion 48 extends from the bottom end of the grip portion 49, and the end of the sloped portion 48, i.e., the end of the outdoor operation unit 4 on the vertical stile 31 side, forms a trigger pin sliding groove 44 in which the trigger pin 43 slides. The outdoor operation unit rotation shaft 42 is located in the middle of the sloped portion 48. When a firefighter grasps the grip 49 and rotates the outdoor operation unit 4, the inclined portion 48 rotates upward around the outdoor operation unit rotation shaft 42. The trigger pin 43 is attached to the vertical stile auxiliary 41, and when the outdoor operation unit 4 is operated, the trigger pin 43 moves upward while sliding in the trigger pin slide groove 44. The vertical stile auxiliary 41 to which the trigger pin 43 is attached is supported on both sides by the vertical stile auxiliary slide groove 47, as shown in Figure 6(B). When the trigger pin 43 moves upward, the vertical stile auxiliary 41 also moves upward. The vertical stile auxiliary 41 has a lock pin 45 that stands upright toward the vertical frame 21. When locked, the lock pin 45 must be located at the lower end of the locking area 61 of the lock pin receiver 6 shown in Figure 6(Ab). However, the lock pin 45 moves to the open area 62 in the unlocked state when the vertical stile support 41 moves due to operation of the outdoor operating unit 4. When a firefighter rotates the outdoor operating unit 4, the position of the lock pin 45 moves upward, forcing the door into an unlocked state even if the position of the lock pin receiver 6 does not move.

[0020] If the vertical sliding window 1 (opening device) is exposed to wind and rain for many years, the sliding of the vertical stile auxiliary 41 will deteriorate. In this embodiment, as shown in Figure 6 (Ac), the distance between the outdoor operation unit rotation shaft 42 and the end of the grip part 49 is significantly longer than the distance between the outdoor operation unit rotation shaft 42 and the trigger pin sliding groove 44, so consideration is given to ensuring movement by the principle of leverage.

[0021] In this embodiment, the indoor side operating unit 5 moves the lock pin receiver 6, and the outdoor side operating unit 4 moves the lock pin 45. A modified example in which the indoor side operating unit 5 moves the lock pin and the outdoor side operating unit 4 moves the lock pin receiver 6 can also be implemented. In other words, the problem can be solved by having either the shoji screen 3 or the frame 2 have a lock pin 45, and the other have a lock pin receiver 6, and the lock pin 45 moves on either the outdoor operating part 4 or the indoor operating part 5, moving between an engaging area 61 where the lock pin 45 is freely slidably engaged with the lock pin receiver 6, and an open area 62 where it is not engaged. In addition, by devising the position of the outdoor operation unit rotation shaft 42, the outdoor operation unit 4 can be easily moved using the principle of leverage.

[0022] In the embodiments, the indoor operating unit 5 and the outdoor operating unit 4 move the lock pin 45 or the lock pin receiver 6 by converting rotational motion into translational motion, but various other conversion mechanisms are known in addition to those specifically described in the embodiments, and any conversion mechanism may be used. Furthermore, the indoor side operating unit 5 and the outdoor side operating unit 4 in the embodiment convert rotational motion into translational motion, but they may be operating units that directly perform translational motion.

[0023] (summary) The procedures for unlocking from inside the room, the procedures for unlocking from outside the room, and the effects of each are described below. The indoor side operation unit 5 of the embodiment rotates an indoor side operation unit rotation shaft 56. The indoor side operation unit rotation shaft 56 is eccentric to one side of the long axis of the oval shape and is connected to the rotating plate 53, causing the rotating plate 53 to rotate. Because the indoor side operation unit rotation shaft 56 is eccentric to one side of the long axis of the oval shape, the rotating plate 53 rotates in a large arc around the indoor side operation unit rotation shaft 56. A sliding protrusion 531 is provided on the other side of the long axis of the oval shape of the rotating plate 53. The movement of the connecting plate 55 is restricted so that it can only move in the vertical direction. One end of the connecting plate 55 is formed with a sliding groove 551 that receives the sliding protrusion 531, and the sliding protrusion 531 moves within the sliding groove 551 as the rotating plate 53 rotates, thereby moving the connecting plate 55 in the vertical direction. The other end of the connecting plate 55 is fixed to the vertical frame slider 51, and since the vertical frame slider 51 moves only in the vertical direction, it is the vertical frame slider 51 that restricts the movement of the connecting plate 55 in the vertical direction. A lock pin receiver 6 is fixed on the vertical frame slider 51, and as the vertical frame slider 51 moves, the lock pin receiver 6 moves to the open area 62, and the lock pin 45 comes out of the open area 62 and is released from the lock.

[0024] The outdoor operation unit 4 of the embodiment can move the vertical stile auxiliary 41 that slides in the vertical stile auxiliary sliding groove 47 on the vertical stile projection surface 311. A lock pin 45 is provided on the vertical stile auxiliary 41, and operating the outdoor operation unit 4 moves the lock pin 45 in the locking region 61 of the lock pin receiver 6. Even when the lock pin receiver 6 is in a locked state by the indoor operation unit 5, the outdoor operation unit 4 can move the lock pin 45 to the open region 62, allowing it to be unlocked.

[0025] The unlocking mechanism of the indoor operating unit 5 and the outdoor operating unit 4 in the embodiment is extremely simple, requiring only the movement of the lock pin 45 or the lock pin receiver 6, resulting in efficient assembly and ease of use. Furthermore, the unlocking mechanism of the embodiment has a simple structure, making it highly durable and difficult to break, making it easy to use for users, including firefighters. In addition, the outdoor operating unit 4, which is not normally found in other opening devices, is conspicuously attached to the outdoor side. The vertical sliding window 1 (opening device) of the embodiment is extremely user-friendly in that users, including firefighters, can immediately unlock it without any instructions.

[0026] The embodiments of the present invention have been described in detail above with reference to the drawings, but the specific configurations are not limited to these embodiments, and the present invention also includes design changes and the like that do not deviate from the gist of the present invention.

[0027] Furthermore, the above-described embodiments can be combined by utilizing the techniques of each other, as long as there are no particular contradictions or problems in the purpose, configuration, etc., of the embodiments. [Explanation of symbols]

[0028] 1 Vertical sliding window 1 (opening device) 2 frame 21 Vertical Frame 211 Vertical frame prospective surface 22 Engagement protrusion 221 Holding part 3 Shoji screens 31 Vertical frame 311 Vertical frame projection surface 35 Pull handle 4 Outdoor operation section 41 Vertical frame support 42 Outdoor operation unit rotation axis 43 Trigger pin 45 Lock pin 451 Expanded diameter part 47 Vertical frame auxiliary sliding groove 48 Slope 49 Gripping part 5 Indoor operation section 51 Vertical Frame Slider 53 Rotating Plate 531 Sliding protrusion 54 Vertical frame guide groove 541 Vertical frame guide groove forming member 55 Connecting plate 551 sliding groove 552 Polymerization section 553 Bend 554 Flat area 555 Connector 56 Indoor operation unit rotation axis 6 Lock pin holder 61 Locking area 62 open area 63 Slide groove

Claims

[Claim 1] Equipped with shoji screens and frames, Either the shoji or the frame has a lock pin, and the other has a lock pin receiver. The lock pin receiver forms a locking area for slidably locking the lock pin and an open area for a non-locked state, The lock pin moves on either the outdoor operating unit or the indoor operating unit, and moves the lock pin between a locking region and an open region with respect to the lock pin receiver; The lock pin receiver moves on either the outdoor operating unit or the indoor operating unit, and moves the lock pin receiver between a locking region and an open region relative to the lock pin; The sliding screen is unlocked when the lock pin reaches the open area of ​​the lock pin receiver. An opening device characterized by:

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