JP5004466B2 - Opening device with crescent lock for emergency entry - Google Patents

Description

  The present invention relates to an opening device having a crescent lock disposed in an opening of a building such as an office building, a condominium, a detached house, or a public facility, and more specifically, unlocking from the outside in an emergency such as a fire. The present invention relates to an opening device having a crescent lock.

  Currently, high-rise buildings and other special buildings require measures to enter the room from the outside in the event of an emergency such as a fire under the Fire Service Law. This is to facilitate fire fighting and rescue activities. Conventionally, as a means for this, for example, a local part of a window is destroyed, and a hand can be inserted from that part so that the indoor locking device can be unlocked.

  However, there have been cases where it has been difficult in recent years to make a structure capable of destroying the local part of the window due to, for example, demands for improving heat insulation and sound insulation for the window. The reason is that the window panel is made thicker or doubled in order to improve heat insulation and sound insulation.

  In order to solve such a problem, the locking device provided with the crescent lock has a structure in which the crescent lock is unlocked from the outdoor side by allowing the crescent receptacle to be summed and removed from the sump by an operation from the outdoor side. 3 is disclosed. In Patent Document 1, in the locked state of the crescent lock, the crescent receptacle can be detached from the summon basket by pushing a pin that is exposed to the outdoor side, and the shoji is operated by operating the shoji of the window in that state. A crescent tablet that can be released is disclosed.

  Patent Document 2 discloses a crescent lock in which the crescent receptacle can be detached from the summoning tub by pulling out a retaining member that is exposed to the outside of the outdoor space in the locked state of the crescent lock, resulting in an unlocked state as a result. is doing.

  Further, Patent Document 3 discloses that the crescent receptacle can be detached from the summoning hook by hitting the end of the screw that is exposed to the outdoor side with a hammer or the like in the locked state of the crescent lock and destroying the screw. The crescent lock which will be in an unlocked state is disclosed.

Japanese Utility Model Publication No. 5-96348 Utility Model Registration No. 2559898 Japanese Patent Laid-Open No. 9-25747

  However, in the crescent locks of Patent Documents 1 to 3, since the operation unit on the outdoor side is exposed to the outside of the room, it is operated by carelessness or mischief, for example, in an emergency, and the crescent receptacle is detached from the summon basket. As a result, there was a problem of being unlocked. In addition to this, there is a possibility that rainwater enters from a portion where the operation unit is exposed and deteriorates, and the mechanism does not operate.

  In addition, since the crescent tablets described in Patent Documents 1 to 3 are intended to allow the crescent lock to be easily detached from the summon candy, a pin for bringing the crescent receptacle and the summon candy into a disengaged state. There is a problem that the engagement between the etc. and the crescent receiver is weak. This is because, when a large force is applied in the opening / closing direction of the shoji for any reason in the locked state, there is a possibility that the crescent receptacle may be detached from the summoning jar even in normal time due to the weak engagement. It occurred.

  Furthermore, there has been a problem that the positional relationship between the crescent and the crescent receptacle cannot be adjusted when the opening device is constructed.

  Moreover, in the crescent lock described in Patent Document 3, once the screw is broken, there is a problem that much time and cost are required for recovery.

  Then, this invention makes it a subject to provide the opening part apparatus provided with the crescent lock which has an unlocking mechanism with high operation | movement reliability.

  The present invention will be described below. In order to facilitate understanding of the present invention, reference numerals in the accompanying drawings are appended in parentheses, but the present invention is not limited to the illustrated embodiment.

The invention according to claim 1 is a frame (10) attached along four sides of a building opening, a shoji (20, 30) disposed inside the frame, and a pair of shoji An opening device (1) comprising a crescent lock (40) attached to a summoning bowl (23, 34), wherein the crescent lock is used as a shoji for one summoning bowl (34) of a pair of summoning bowls. A crescent receiver (60) that is a plate-like member that penetrates the interior and the exterior in the opening and closing direction of the crescent, and a crescent (50) that is attached to the other summoning cage so as to be disengageable from the indoor side end of the crescent receiver, The outdoor unlocking device (70) provided at the outer end of the crescent receiver and enabling disengagement between the crescent receiver and one of the summoning tubs, and the entire outdoor unlocking device inside One of the summons embracing and removable And a mounted cover (71), Crescent received has a through hole (62b) which penetrate into the room outwardly to the outdoor side end portion, the outdoor-side unlocking device through hole, and one of the calling alignment stile (34) is provided with a shaft (72) that is pivotally disposed in a shaft hole, which is a through hole provided in a part of the shaft, and that allows or prohibits penetration depending on the pivoting posture. One end passes through the through hole and the shaft hole, and the crescent receiver and one summing rod are engaged by the shaft. In an emergency, the cover (71) is removed and the shaft is rotated from the outdoor side. Accordingly, the shaft is disengaged from the through-hole and Kamachiana, and one of the calling alignment stile O receives Crescent to solve the above problems by providing an opening device you characterized by being a disengaged state.

  Here, the form of the opening device is not particularly limited as long as a crescent lock is provided. For example, a sliding window may be used, but the window may slide up and down. In any case, any form of the opening device including the crescent lock can be used as the opening device of the present invention.

  Moreover, even if it is the window comprised from 1 sheet of shoji, if the crescent lock is provided, it can be set as the opening part apparatus of this invention. In this case, the crescent receptacle is not necessarily a summon bowl but may be attached to the end of the wall or the like, but the opening device of the present invention includes such a case.

  According to a second aspect of the present invention, the cover (71) of the opening device (1) according to the first aspect has a U-shaped cross section, the entire outdoor unlocking device (70), and the crescent receiver. The outdoor end of (60) is included in the inside of the cover, and the opening of the U-shaped cross section is attached so as to be closed by the one summoning bowl (34).

The invention according to claim 3 is the two crescent receivers (61, 61) in which the crescent receiver (60) of the opening device (1) according to claim 1 or 2 is divided in the opening / closing direction of the shoji (20, 30). 62), and the interior side end of the crescent receiver is attached so as to be movable in the opening / closing direction of the shoji.

According to invention of Claim 1, it is set as the structure where the crescent receptacle can be unlocked also from the side where the crescent is not provided. And since the operation part is normally stored inside the cover, it is not operated by mistake. Therefore, the opening part apparatus which has a highly reliable crescent lock can be provided.
Also, since the crescent receiver is directly engaged with the heel by the shaft in normal times, the engaging force can be improved, and when a large force is applied to the opening / closing direction of the shoji for any reason However, there is no risk of disengagement, and a highly reliable opening device can be provided. In the event of an emergency, the crescent receptacle can be easily summed and removed from the spear simply by removing the cover and rotating the shaft, thereby providing an opening device with excellent operability.
Furthermore, when the opening device is restored after the emergency situation is resolved, the shaft may be engaged again with the crescent receptacle and the summoning cage, and the function as the locking device can be restored immediately. From this point of view, it is possible to provide an opening device that is highly convenient.

  According to the second aspect of the present invention, all of the operation portion of the crescent receiver and the end portion of the crescent receiver are included inside the cover, and further, the opening of the cover is closed by the ridge, so that the airtight and watertightness is excellent. An opening device can be provided. In addition, it is possible to provide an opening device that can prevent rainwater from entering, prevent deterioration of a shaft and a crescent receiver disposed inside the cover, and operate reliably in an emergency.

According to the invention of claim 3 , the positional relationship between the crescent receiver and the crescent can be finely adjusted even after the construction, and an opening device excellent in workability can be provided.

  Such an operation and gain of the present invention will be made clear from the best mode for carrying out the invention described below.

  Hereinafter, the present invention will be described based on embodiments shown in the drawings.

  FIG. 1 is a perspective view of an opening device 1 of the present invention according to one embodiment as viewed from the indoor side. The opening device 1 includes a frame 10 attached along four sides of a building opening, shojis 20 and 30 disposed inside the frame 10, and a crescent lock attached to the shojis 20 and 30. 40. More specifically, the frame 10 is formed by combining horizontal frames 11 and 12 and vertical frames 13 and 14. The shojis 20 and 30 are provided with glass panels 25 and 35, and flanges 21, 22, 23, 24, 31, 32, 33, and 34 attached to four sides of the glass panels 25 and 35, respectively. . Further, the shojis 20 and 30 form a sliding window, and 框 23 and 框 34 are a pair of summon candy (hereinafter, each of the pair of summon candy is “框 23” and “框 34”). .)

  The crescent lock 40 is attached to the flanges 23 and 34 to determine the locking / unlocking state of the opening device 1. The structure of the crescent lock 40 will be described in detail later.

  Normally, the opening device 1 is locked and unlocked by operating the crescent lock 40 from the indoor side. Therefore, at this time, the crescent lock 40 is not operated from the outside, but in an emergency, it can be unlocked from the outside by the structure of the crescent lock 40 described later. As a result, for example, a fire brigade or the like can smoothly enter the room in an emergency, and lifesaving activities can be performed.

  In this embodiment, although it is set as the opening part apparatus 1 which has the two sheets of shojis 20 and 30, this may be an opening part apparatus comprised from four sheets of shojis. In this case, when the four shoji screens have two or more summoning bowls, it is only necessary that at least one pair of summoning bowls can be unlocked from the outdoor side. Further, an opening device that slides up and down, not an opening device that slides to the left and right, can be used as the opening device of the present invention. In any case, the opening device of the present invention can be used as long as it is a sliding window and is an opening device provided with a crescent lock.

  FIG. 2 is a horizontal sectional view of the opening device 1 including the crescent lock 40 in FIG. 1 and focusing on the periphery of the crescent lock 40. FIG. 2 shows a case where the crescent lock 40 is in a locked state, where the upper side of the paper is the outdoor side and the lower side of the paper is the indoor side. For ease of viewing, only the crescent lock 40 is represented by a solid line, and the other members are represented by broken lines.

  The crescent lock 40 includes a crescent 50 disposed on the indoor side, a crescent receiver 60 disposed on the sliding doors 20 and 30 in the opening / closing direction of the shoji 20 and 30, and an outdoor outdoor unlocking disposed on the outdoor side. Device 70. In the locked state, the crescent 50 and the outdoor unlocking device 70 are engaged with both ends of the crescent receiver 60, respectively. The arrangement of each member will be described in detail later.

  The crescent 50 is provided with a latching portion 51 and a base portion 52 as in the case of a crescent used for a normal crescent lock. The base 52 is fixedly attached to the flange 23, and has a rotation shaft of the latching portion 51, a mechanism for prohibiting the pivoting of the latching portion 51, and the like inside. The latching part 51 is a member that can rotate around an axis extending from the base part 52 in the opening / closing direction of the shoji 20, and the latching piece 51 a of the latching part 51 depends on the pivoting posture. Is engaged or disengaged to enable locking and unlocking from the indoor side.

  The crescent receiver 60 is a plate-like member and includes an indoor side receiver 61 and an outdoor side receiver 62, and the two receivers are fixed to each other by a fixing member 63. FIG. 3 shows a front view and a top view of the crescent receiver 60. FIG. 3A is a front view as viewed from the indoor side. FIG. 3B is a top view. In FIG. 3, the fixing member 63 is omitted for easy understanding. The indoor side receiver 61 includes two through-holes 61 a and 61 a that are vertically arranged at an end portion on the side close to the outdoor side receiver 62. A return portion 61b is provided at the end opposite to the through holes 61a and 61a.

  On the other hand, as can be seen from FIG. 3, the outdoor receiver 62 is provided with long holes 62 a and 62 a with the horizontal axis as the long axis at the end near the indoor receiver 61. The long holes 62a and 62a are arranged at positions corresponding to the through holes 61a and 61a of the indoor side receiver 61 described above. In addition, one long hole 62b having a long axis in the vertical direction is provided at the end opposite to the end provided with the long holes 62a and 62a.

  The indoor side receiver 61 and the outdoor side receiver 62 are fixed by fixing members 63 and 63 (see FIG. 2) penetrating the through holes 61a and 61a and the long holes 62a and 62a. At this time, since the long holes 62a and 62a have a long axis in the horizontal direction, the indoor side receiver 61 and the outdoor side receiver 62 are relatively horizontally moved by loosening the fixing force of the fixing members 63 and 63. Can move. Thereby, even after the crescent receiver 60 is attached to the collar 34, the indoor side receiver 61 can be moved in the opening / closing direction of the shojis 20 and 30, and the positional relationship with the crescent 50 can be finely adjusted. Thereby, since the said fine adjustment can be easily performed on the spot at the time of construction, it becomes possible to improve workability.

  Further, as can be seen from FIG. 2, the fixing member 63 is provided on the outer side of the flange 34 and is disposed so as to be exposed to the indoor side, so that the fine adjustment can be performed more easily.

  Next, the outdoor side unlocking apparatus 70 is demonstrated. 4 shows an enlarged view of the outdoor unlocking device 70 in FIG. 5 is a cross-sectional view taken along the line I-I in FIG. 4, and FIG. 6 is a view taken along the line II-II in FIG. Hereinafter, the outdoor side unlocking apparatus 70 is demonstrated, referring FIGS. 4-6 and the figure shown suitably.

  The outdoor unlocking device 70 includes a cover 71, an engagement shaft 72, a lever 73, an elastic member 74, and rings 75 and 76. The configuration of each member will be described. The cover 71 is formed of a box body having a U-shaped cross section and opened in one direction. FIG. 7 shows the cover 71. 7A is a top view, FIG. 7B is a front view, and FIG. 7C is a side view. The cover 71 is a box having an opening on the left side in FIG. 7A, and the other five surfaces have wall surfaces. Therefore, it becomes possible to store a member inside the box.

  Further, as can be seen from FIG. 7B, the cover 71 is provided with a through hole 71c and an annular groove 71d engraved so as to surround the through hole 71c on one surface. FIG. 8 shows a cross section of the cover 71 in the through hole 71c and the groove 71d. Thus, the groove 71d has a V-shaped cross section. Thus, when any impact is applied to the cover 71, the cover 71 is easily broken from the portion of the groove 71d.

  The cover 71 can be made of a material that normally protects each member of the outdoor unlocking device 70 and can be easily broken by hitting in an emergency. The material is not particularly limited as long as the material has such properties. This includes, for example, polystyrene (GPPS) from the viewpoint of versatility and cost. Thus, as will be described later, it is possible to provide the opening device 1 that can break the portion of the groove 71d by hitting it from the outside of the room, easily remove the cover 71, and perform a smooth rescue operation. It becomes.

  Next, the engagement shaft 72 will be described. FIG. 9 shows the engagement shaft 72. FIG. 9A is a front view, and FIG. 9B is a side view. Thus, the engagement shaft 72 is a shaft-shaped member having a circular cross section as a whole. More specifically, the engaging shaft 72 is formed along an engaging portion 72a that is a disc-shaped member with a part cut away, cylindrical portions 72b and 72d that are cylindrical portions, and the cylindrical portions 72b and 72d. And an engraved groove 72c.

  The engaging portion 72a is provided at one end of the engaging shaft 72 and has substantially the same shape as the long hole 62b shown in FIG. 3A in a front view as can be seen from FIG. 9A. The size is slightly smaller than the long hole 62b. Further, as can be seen from FIG. 9B, a part of the engaging portion 72a is formed larger than the cylindrical portion 72b. With this configuration, when the engaging portion 72a is disposed in the same direction as the long hole 62b, the engaging shaft 72 can freely pass through the inner side of the long hole 62b, and conversely, the engaging portion 72a and the long hole 62b. Are arranged in different directions, the engagement shaft 72 cannot enter and exit through the inside of the long hole 62b.

  Next, the arrangement of each member in the outdoor unlocking device 70 will be described with reference to FIGS. Here, the arrangement in the case where the outdoor unlocking device 70 is engaged with the crescent receiver 60 and the collar 34 will be described. The engaging shaft 72 is parallel to the indoor / outdoor direction with the engaging portion 72a facing the indoor side. The engaging portion 72 a is disposed on the indoor side through the extending portion 34 a that is a part of the flange 34 and the elongated hole 62 b of the crescent receiver 60. At this time, the long hole 62b and the engaging portion 72a are arranged with an angle so that the directions do not coincide with each other. Thereby, as mentioned above, the engaging shaft 72 cannot pass through the inside of the long hole 62b, and is attached without coming out to the outdoor side. Further, with this configuration, the shaft-like member is directly directly engaged with the crescent receiver 60 and the collar 34, so that when the force is applied to the crescent receiver 60 in the opening / closing direction of the shoji 20, 30 during locking. I will never leave. Therefore, the opening device 1 with high reliability can be obtained.

  Furthermore, rings 75 and 76 are fitted in the groove 72 c of the engagement shaft 72 outside the extended portion 34 a of the flange 34. An elastic member 74 is attached between the rings 75 and 76 and the extending portion 34a while being urged so as to spread in the indoor and outdoor directions. With this configuration, the engagement shaft 72 is normally biased to the outdoor side, but this posture is maintained by the engagement portion 72 a engaging with the crescent receiver 60. When the engagement shaft 72 can be detached from the crescent receiver 60, the engagement shaft 72 is automatically moved to the outdoor side by the urging of the elastic member 74. Therefore, the operator does not need to pull out the engagement shaft 72 to the outdoor side, and the operation is easy.

  In addition, a lever 73 is attached to the outdoor end of the engagement shaft 72. As can be seen from FIG. 6, the lever 73 has a handle 73a extending downward. Since the operator can operate by grasping and rotating the handle 73a, the engaging shaft 72 can be smoothly detached from the long hole 62b, and a smooth rescue operation can be performed.

  The cover 71 is attached so as to cover the end portions of the engaging shaft 72, the lever 73, and the crescent receiver 60 attached as described above. At this time, the opening of the cover 71 is closed by the ridge 34. The cover 71 is fixed by attaching a fixing member 71 b (see FIG. 4) such as a screw that passes through a through hole 71 c provided in the cover 71 to the extending portion 34 a of the flange 34.

  Such an arrangement of the cover 71 can prevent the engaging shaft 72, the lever 73, and the ends of the crescent receiver 60 from being placed inside the cover 71, and can be prevented from being erroneously operated in normal times. In addition, since the opening of the cover 71 is disposed so as to be closed by the ridge 34, airtight watertightness is maintained, and deterioration of members due to intrusion of rainwater or the like can be prevented. Thereby, it is possible to improve reliability. Furthermore, a comfortable indoor space is maintained due to excellent airtightness.

  Further, even when the crescent lock 40 is once unlocked from the outdoor side, it is only necessary to engage the engagement shaft 72 with the crescent receiver 60 and the flange 34 again, and the unlocked state can be easily returned to the engaged state. it can. Thereby, even after the emergency situation is resolved, the normal state can be restored immediately, and the highly convenient opening device 1 can be provided.

  As described above, by the outdoor unlocking device 70 provided in the opening device 1 of the present invention, the opening device 1 is excellent in operability, reliability, comfort and convenience.

  Next, the arrangement of the crescent 50, the crescent receiver 60, and the outdoor unlocking device 70 will be described with reference to FIG. As described above, the crescent receiver 60 is disposed so as to pass through the flange 34 in the opening / closing direction of the shojis 20 and 30 indoors and outdoors. In this state, the crescent receiver 60 is not fixed to the flange 34. The crescent receiver 60 is fixed to the flange 34 by the engaging shaft 72 of the outdoor unlocking device 70 as described above, and the crescent receiver 60 and the flange 34 are fixed only by this portion. As a result, the crescent lock 40 can be unlocked only by operating the outdoor unlocking device 70, and operations such as removing other parts are not required, so that a smooth rescue operation can be performed.

  On the other hand, a crescent 50 is provided on the indoor side. Thereby, the shoji can be locked and unlocked by the same operation as a normal ordinary crescent lock at normal times.

  Next, an example of a procedure for unlocking the crescent lock 40 from the outdoor side will be described. The description will be given with reference to FIG. 2 as appropriate. When the crescent 50 on the indoor side is locked and the outdoor unlocking device 70 is also engaged as shown in FIG. 2, the crescent lock 40 is unlocked from the outdoor side in an emergency. In this case, first, the operator destroys and removes the cover 71 by hitting the cover 71 from the outdoor side. At this time, since the groove 71d is formed in the cover 71 as described above, it is easily broken from this portion. Thereby, smooth operation is possible.

  Next, when the cover 71 is removed, the handle 73a of the lever 73 (see FIG. 6) exposed to the outside of the room is grasped and rotated clockwise. As a result, the direction of the engaging portion 72a of the engaging shaft 72 and the elongated hole 62b of the crescent receiver 60 coincide with each other as described above, and the engaging shaft 72 is detached from the crescent receiver 60 by the action of the elastic member 74. Then, the crescent receiver 60 and the collar 34 can be disengaged and the shojis 20 and 30 can be released.

  In addition, after the emergency situation is resolved, the crescent receptacle 60 and the brim 34 can be fixed again by operating the above-described procedure.

  As described above, the opening device 1 of the present invention can perform a smooth rescue operation, and can be used as a locking device immediately after the emergency situation is resolved.

  Although the present invention has been described with reference to the most practical and preferred embodiments at the present time, the invention is limited to the embodiments disclosed herein. However, the invention can be changed as appropriate without departing from the spirit or concept of the invention that can be read from the claims and the entire specification, and the opening device with such a change is also included in the technical scope of the present invention. Must be understood.

It is a room inner side perspective view of the opening part apparatus concerning one Embodiment of this invention. It is the horizontal sectional view shown paying attention to the part of the crescent lock in the opening device of the present invention. It is the front view and top view of a crescent receptacle. It is the figure which expanded and showed the outdoor side unlocking device part of sectional drawing shown in FIG. It is sectional drawing in the II line | wire of FIG. It is the figure cut | disconnected by the II-II line | wire of FIG. 4, and was seen from the paper surface upper side of FIG. It is the top view, front view, and side view of a cover. It is sectional drawing of the through-hole and groove | channel of a cover. It is the front view and side view of an engagement shaft.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Opening device 10 Frame 20 Shoji 21 ２２ 22 ２３ 23 框 24 框 25 Glass panel 30 Shoji 31 ３２ 32 框 33 ３４ 34 ３５ 35 Glass panel 40 Crescent lock 50 Crescent 60 Crescent receiver 70 Outdoor unlocking device 71 Cover 72 Engagement shaft 73 Lever 74 Elastic member 75 Ring 76 Ring

Claims (3)

An opening device comprising: a frame attached along four sides of a building opening; a shoji disposed inside the frame; and a crescent lock attached to a pair of summoning ridges of the shoji There,
The crescent lock is
A crescent receptacle that is a plate-like member that penetrates one of the pair of summoned bowls in the opening and closing direction of the shoji into the room,
A crescent attached to the other summoning bowl so as to be disengageable from the indoor end of the crescent receiver;
An outdoor unlocking device that is provided at the outdoor outer end of the crescent receiver, and that enables disengagement between the crescent receiver and the one summoning ridge;
A cover that includes all of the outdoor unlocking device inside, and is detachably attached to the one summoning jar ,
The crescent receiver has a through-hole penetrating in the outdoor direction at the outdoor side end,
The outdoor unlocking device can be freely pivoted so that penetration is permitted or prohibited depending on the pivoting posture of the through hole and a through hole provided in a part of the one summoning bowl. Comprising a shaft disposed;
Normally, one end of the shaft passes through the through hole and the stoma, and the crescent receiver and the one summoning trough are engaged by the shaft,
In an emergency, by removing the cover and rotating the shaft from the outdoor side, the shaft is detached from the through-hole and the stoma, and the crescent receptacle and the one summoning trough are in a disengaged state. opening device you characterized in that it is. The cover has a U-shaped cross section;
All of the outdoor unlocking device and the outdoor end of the crescent receptacle are included inside the cover, and the opening of the U-shaped cross section is attached so as to be closed with the one summoning trough. The opening device according to claim 1. The crescent receptacle has two crescent receptacles divided in the opening and closing direction of the shoji,
The opening device according to claim 1 or 2 , wherein an inner side end portion of the crescent receiver is attached so as to be movable in an opening / closing direction of the shoji.

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