WO2009149672A1

WO2009149672A1 - Safe escaping facility for building

Info

Publication number: WO2009149672A1
Application number: PCT/CN2009/072268
Authority: WO
Inventors: 丁三郎; 张春惠
Original assignee: 丁伟原; 丁伟伦
Priority date: 2008-06-13
Filing date: 2009-06-15
Publication date: 2009-12-17
Also published as: CN201265352Y

Abstract

A safe escaping facility for building is a safe iron window placed between building windows and is expanded fast to form an escaping ladder for people to escape when a fire alarm occurs. The facility has a fixed groove frame provided on an upper side of a window, and a mobile groove frame provided on a lower side of the window respectively. Multiple groups of prefabricated ladder frames are arranged between the groove frames to form a burglarproof iron window. The adjacent ladder frames can be combined together end to end through a wire rope, tension of which is adjusted by a winder provided in the room. An outside soleplate of the mobile groove frame is pivoted and controlled by a drawing device to stand or fall. When a fire occurs, the lateral soleplate of the lower mobile groove frame is released and thus the ladder frames are pushed out in turn, meanwhile, the slowly-falling winder is operated to tension the wire rope so that the ladder frames are inserted into each other end to end to form an elongated escaping ladder. Furthermore, the ladder frame is equipped with a slide guiding frame and a hook for fall-preventing. The facility is convenient for a user to escape and reduces life loss caused by fire with better safety.

Description

Building safety escape facility

The present invention relates to a building safety escape facility that can be applied to buildings, such as buildings on medium, low or high floors. In the event of a fire or other disaster, the present invention can effectively and safely assist a person to escape from the scene.

Background technique

Because of the corruption of law and order, theft cases have been heard. In order to protect the safety of homes, ordinary houses or companies and public factories often use iron bars in windows or balconies to prevent thieves from easily damaging doors and windows and sneaking into the house to steal property and even threaten their lives. The barrier of the iron window makes it difficult for thieves to sneak into the room, in order to obtain better home security.

As far as the general anti-theft iron window is concerned, its design only focuses on the anti-theft function. Although it can really achieve the anti-theft effect, the outsiders can't get in, and the people in the room can't get out. In this case, once the fire broke out. At the time, people in the room may have no escape due to the barrier of the iron window. Even when the fire brigade rescues, the delay of the rescue due to the barrier of the iron window causes a major casualty. In order to avoid this problem, there is a department. The iron window has an openable window, so that when the emergency situation is encountered, the key is unlocked to facilitate escape and rescue, so as to reduce the casualties caused by the fire.

In fact, such a window with an openable window can only open the active window of the iron window when it is given a fire or emergency situation, so as to prevent the escape route from being blocked, to increase the chance of escape and to wait for rescue. It does not provide a positive escape function. In addition, when encountering danger on the higher floors, most of the current facilities need to rely on the ladder truck or the building escape descender to escape. There is no safe and practical product. In other words, as far as the existing iron window is concerned, it is only a simple anti-theft function. In the event of a fire or other dangerous situation, it is impossible for the indoor person to escape the fire scene in the shortest time, if the delay of the rescue time is added. It often leads to major casualties such as bruises or burns, which seriously threaten the safety of life and property and derive many social problems. It is still necessary to try to solve them. Summary of the invention

In view of the fact that the existing iron window often indirectly causes casualties in the event of a fire, the inventor of the present invention specially carries out research and development design, and then develops the building safety escape facility of the present invention, and its main purpose is to provide an innovative iron window structure and The descending retractor and the hanging baskets that can be used for folding and exhibition are used in combination with each other. In response to different construction forms, in addition to the usual anti-theft function, in the event of a fire, it is directly converted into an escape device. To provide escape function, the fire casualties are minimized.

Another object of the present invention is to easily convert the iron window into an escape ladder through the structural design of the structure, so that the indoor personnel can safely escape from the fire scene in the shortest time.

In order to achieve the above object, the present invention mainly provides a fixed slot frame and a movable slot frame in a relative position on the upper and lower sides of the window, and arranges an array of prefabricated ladder frames between the two slot frames. By constituting the anti-theft iron window type, and the adjacent ladder frame steel cables are connected in series by head-to-tail connection, and the ladder frame is slowly lowered by the indoor descending retractor, and the steel cable is controlled. Elastic, and the outer floor of the movable frame slot under the window is erected and operated by a puller to control the vertical movement, so that when the fire occurs, the side bottom plate of the lower movable slot can be loosened and will be taken The ladder frame is pushed outwards in sequence, and the descending retractor is controlled to tighten the steel cable, and then the head and tail of the ladder frame are inserted to form an elongated escape ladder, so as to facilitate the user to escape and reduce the life loss caused by the fire alarm. , excellent safety and practicality.

The specific technical solutions adopted by the present invention are as follows:

A building safety escape facility includes:

a fixed trough, the group is placed on the upper side of the window;

a movable slot frame, the group is placed on the lower side of the window, and the slot corresponds to the slot of the fixed slot frame, so that a predetermined number of ladder frames can be arranged between the two slots on the upper and lower sides of the window;

An array of ladder frames, the ladder frame is composed of parallel two vertical rods and a plurality of cross bars, and one end of the two vertical bars of the ladder frame is made into a contraction rod section, and the outer diameter of the contraction rod section is matched with the inner diameter of the vertical rod, The head and tail of each ladder frame can be inserted into each other to form an escape ladder.

Another building safety escape facility that includes: a fixed trough, the group is placed on the upper side of the window;

a movable trough frame, the group is placed on the lower side of the window, and the notch corresponds to the notch of the fixed trough frame, so that a predetermined number of ladder frames can be arranged between the upper and lower two trough frames;

An array ladder frame, the ladder frame is composed of parallel two vertical rods and a plurality of cross bars, and one end of the two vertical bars of the ladder frame is made into a contraction rod section, and the outer diameter of the contraction rod section is consistent with the inner diameter of the vertical rod. Having the head and tail of each ladder frame can be inserted into each other to form an escape ladder; and

Two steel cables are placed in each set of vertical rods, and each ladder frame is grouped and assembled at one end to the descending retractor, and the other end is fixed in the last set of ladder frames of the escape ladder;

The descending retractor is composed of a winch shaft of a retracting cable and at least one gear set having a gear ratio of a large and small gears and a brake assembly, and the twisting shaft is divided into two parts respectively. The cable, the gear set drives the large gear to rotate by the pinion, so that the cable can be slowly extended to achieve a descending action, and the rotation of the twisting shaft is controlled by the brake assembly.

The above-mentioned building safety escape facility, wherein the movable trough frame disposed on the lower side of the window is formed by an L-shaped outer bottom plate and an inner side plate fixed to the wall surface, and is pivotally formed, and A spring is arranged at a pivot portion thereof to impart an inertia to the outer bottom plate, and the puller disposed in the room through a pair of pull ropes maintains the erect state of the outer bottom plate to limit the lower portion of each ladder frame, or is released in the pull frame. When the device releases the rope, the spring is pushed against the outer bottom plate to release the limit state of the lower part of each ladder frame.

The above-mentioned building safety escape facilities, wherein the ladder frames are composed of parallel two vertical bars and a plurality of cross bars, the length of the ladder frame is substantially consistent with the spacing of the upper and lower sides of the two slots, and the two vertical bars One end is made into a shrink rod section, and the outer diameter of the shrinkage rod section is matched with the inner diameter of the vertical rod, so that the head and tail of each ladder frame can be easily combined into an escape ladder.

The above-mentioned building safety escape facility, wherein the ladder frame sleeve is provided with an array of guide sliding frames, which are formed by two opposite "type-type side frames with inner and outer rails and outer cross bars", and The clip side frame is provided with a forced lock button to position it on the ladder frame, and a pivot seat is extended on the lower edge of the outer cross bar to pivot a fall arresting hook, and a buckle is provided at one end of the fall arresting hook for Escape ropes are tied around, and the other end of the anti-fall hook Then, the hook portion is extended to an appropriate length, and the length of the hook portion is slightly larger than the thickness of the ladder frame, so that the hook of the ladder frame can be hooked when the fall arrest hook is turned over to form a safety protection function.

The above-mentioned building safety escape facility, wherein the indoorly disposed descending retractor is further provided with a separate pull-up hook to give the ladder frame a recycling function.

The above-mentioned building safety escape facility, wherein the window is provided with a standing platform and an armrest is added to one side of the window.

The above-mentioned building safety escape facility, wherein the descending retractor can be used to hang a hanging basket. The above-mentioned building safety escape facility, wherein the descending retractor is combined with a hanging vehicle so that it can hook and hang a hanging basket.

Advantages and benefits of the present invention:

The building safety escape facility according to the present invention is designed to provide a safe escape function when the fire alarm occurs, and has excellent industrial utilization and practical value as a whole. DRAWINGS

1 is a schematic exploded view of a preferred embodiment of the present invention.

2 is a schematic structural view of a preferred embodiment of the present invention in an anti-theft function state.

FIG. 3 is a schematic structural diagram of an escape function state according to a preferred embodiment of the present invention.

4 is a schematic diagram showing the operational structure relationship of the anti-theft iron window state according to a preferred embodiment of the present invention.

FIG. 5 is a schematic diagram showing the relationship of an operational structure transformed into an escape ladder state according to a preferred embodiment of the present invention. Figure 6 is a schematic partial view showing the state of the escape ladder in accordance with a preferred embodiment of the present invention.

Figure 7 is a partially enlarged schematic view showing the state of the escape ladder in accordance with a preferred embodiment of the present invention.

FIG. 8 is a schematic diagram showing the structural action relationship when the anti-falling hook is in effect according to a preferred embodiment of the present invention.

Figure 9 is a reference view of an implementation state of a preferred embodiment of the present invention.

Figure 10 is a simplified reference diagram of the structure of the descending retractor and the ladder frame.

Figure 11 is a reference diagram of the slow-down retractor for braking the stationary state.

Fig. 12 is a reference diagram of the state in which the descending retractor pulls the brake rope to release the complete braking state. Fig. 13 is a view showing an embodiment in which the iron window group is connected to a staircase and placed on the side of the window of the house.

Fig. 14 is a perspective view showing the appearance of a basket which can be folded in the embodiment. The imaginary line in the figure is a schematic view of shrinking the volume on both sides of the basket.

Fig. 15 is a partial perspective view showing the auxiliary wheel of the hanging basket on one side and four sides.

Fig. 16 is a positioning diagram of the hooking of the hanging basket and the clamping mechanism immediately after the pedal is lowered.

Figure 17 is a partial schematic view of the pedal and the clamping mechanism of the hanging basket.

Fig. 18 is a perspective view showing the stereoscopic appearance of the embodiment in which the hanging carrier is mounted on the balcony table.

Fig. 19 is a perspective view showing the stereoscopic appearance of the embodiment in which the hanging vehicle is mounted on the balcony floor.

Figure 20 is a perspective view of the hanging carrier.

Figure 21 is a schematic view of the hoisting vehicle and the hoisting basket descending from a high floor.

Fig. 22 is a partial schematic view showing the arrangement of the drawbar on the sling carrier with the rack as the adjustment positioning structure.

detailed description

With regard to the structural composition, technical means and efficacy of the present invention, further examples will be further described in conjunction with the drawings:

FIG. 1 is a schematic exploded view of the structure, FIG. 2 and FIG. 3, a schematic structural view of FIGS. 4 and 5, a schematic structural view of FIGS. 6 and 7, a structural operational relationship diagram of FIG. 8, and an implementation state of FIG. Referring to the drawings, the implementation state of FIG. 13 is a preferred embodiment of the present invention, as shown. The building safety escape facility of the invention is divided into an escape iron window, a descending retractor and a hanging basket which can be used for folding and expanding; wherein, firstly, the escape iron window is mainly designed in structure. The upper and lower positions of the window 1 or the balcony of the building are respectively provided with corresponding slots 11 and 12, wherein the upper frame 11 is of a fixed type, and the lower frame 12 is The movable design has the L-shaped outer bottom plate 13 and the inner side plate 14 pivotally pivoted, and a spring 15 is provided at the pivot portion thereof to give the outer bottom plate 13 a turning inertia, and a pair of pull wires 16 are passed through. The pull-up device 17 provided in the room can maintain the erect state of the outer bottom plate 13, or when the release puller 17 releases the drawstring 16, the spring 15 pushes against the outer bottom plate 13 to turn over, and the upper and lower frames are utilized. The notches of the 11 and 12 are correspondingly arranged, arranged between the two slots 11 and 12. The predetermined number of sets of ladder frames 20, 20' are set, and the ladder frames 20, 20' are composed of parallel two vertical rods 21, 22 and a plurality of cross bars 23, and the crossbar 23 can also meet the needs of the owner. The effect of the window is made, but the premise is that it can be used for the footsteps of the human foot. The length of the ladder frame 20, 20' is consistent with the spacing of the two slots 11, 12, and the spacing can also be customized for site adjustment. One end of the two vertical rods 21, 22 is formed into a contraction rod section 24, and the outer diameter of the contraction rod section 24 is substantially coincident with the inner diameter of the vertical rods 21, 22, and the ladder frames 20, 20' are arranged in two slots. During the interval between the blocks 11, 12, the retracted section 24 of the adjacent ladder frame 20, 20' is in an upward and reverse reversed displacement type, and each vertical rod of the adjacent ladder frame 20, 20' 21, 22 is the series connection of the steel cables 25, 26 from the beginning to the end, and the tension and retraction of the steel cables 25, 26 are controlled by the descending retractor 27 provided indoors. If the iron window mentioned above is to be installed on the lower floor such as the first floor or the second floor, the steel cables 25 and 26 in the two vertical bars 21, 22 of the ladder frame 20, 20' and the descending reeling The device 27 can be exempted from installation, and an escape port can be immediately generated by pushing the lower frame 12 out and then pushing the ladder frame outward, and if the second floor is used, the ladder frame and the ladder frame can be utilized. The shortening section 24 is assembled to form a staircase, that is, the person can escape.

As shown in FIGS. 10, 11, and 12, the descending retractor 27 is mainly a wringing shaft 5 capable of retracting a steel cable and at least one gear set 6 having a plurality of gears with a matching gear size. A brake assembly 7 is constructed. The twisting shaft 5 is divided into two parts to respectively take up two steel cables 25 and 26, and at the 5th end of the twisting shaft, at least one set of gear sets 6 is arranged, and the gear set 6 is a small gear Driving the large gear to rotate can make the cable slowly extend and slow down. The rotation of the twisting shaft 5 is controlled by the brake assembly 7. When the brake workpiece 74 is opened, the brake rope 71 is pulled and the brake in the brake is broken. The skin 72 is separated from the brake hub 73, and the gear set 6 drives the twisting shaft 5 to release the cables 25, 26, so that the cables 25, 26 can be lengthened, in other words, when the user manipulates the brake rope 71, When the brake is braked, and the brake workpiece 74 is closed, the twisting shaft 5 is stationary, and when the steel cables 25 and 26 are wound up, the rocker 75 provided outside the descending retractor 27 can be shaken, Also because of the gear set design, the ladder frame will not fall to the ground after being placed outside the window. But showing the effect of slowly decline, with their safety.

As shown in FIG. 6, FIG. 7, FIG. 9, and FIG. 10, an array of guide frames 30 is further disposed on the ladder frame 20, The isometric sliding frame 30 is formed by two opposite "C" type containing side frames 31, 32 and the outer side rails 33, 34, and is provided with a locking button 35 on the side frame 31, 32. In order to position it on the ladder frame 20, a pivot seat 36 is extended on the lower edge of the outer crossbar 33 to pivot a fall arresting hook 40. The fall arresting hook 40 is provided with a buckle 41 for the escape rope. 2 is wrapped around the strap, and the other end of the escape rope is tied to the escaped person, or the hook on one end of the rope can be hooked to the buckle 41, and the other end of the fall arresting hook 40 is extended to the appropriate length. The hooking portion 42 has a length slightly larger than the thickness of the ladder frame 20 so as to be hooked on the crossbar 23 of the ladder frame 20 when the fall arresting hook 40 is turned over to form a safety protection function, and further relieves In addition to the lower retractor 27, it can be fixed to the building with an escape rope 51-end, and the other end can be thrown downstairs. When the person walks the ladder frame down, the hand can hold the rope 51 and assist the safe movement. And using the pull hook 28 provided at the end to facilitate the auxiliary recovery of the ladder frame 20, 20' after use, thereby forming the iron of the present invention The basic function of architecture;

Through the above structural design, the ladder frames 20, 20' are arranged in the two frame slots 11, 12 on the upper and lower sides of the window 1, and in the normal state, the ladder frames 20, 20 are used. ' Blocking inside and outside, as a general anti-theft iron window, when encountering a fire and other difficult conditions, the indoor personnel only need to operate the puller 17 to release the drawstring 16, that is, the spring 15 of the lower frame 12 is used to push against the outer bottom plate 13 Falling down, causing the support points below the ladder frames 20, 20' to move down, so that the ladder frames 20, 20' can be lowered, but the upper portions of the ladder frames 20, 20' are not completely separated from the upper frame 11 The limit position, at this time, the indoor personnel only need to push the ladder frames 20, 20' out from the last group in order, so that the ladder frames 20, 20' are completely separated from the upper slot frame 11, and the descending retractor 27 is controlled. The brake system allows the ladder frames 20, 20' to slowly descend, and operates the handle 75 of the descending retractor 27 to take up the tension cables 22, 26, thereby driving the ladder frames 20, 20' The action of the retracting section 24 forms a combination of head and tail, which is fast A lengthened into the escape ladder, with two pull rope catch 25, and 26 can maintain its stability and aspects escape ladder, make use of person in the room to escape down the fire escape ladder, fire escape achieve its function;

In order to increase the safety of the escape, a standing platform 3 can be added to the window 1 and an armrest 4 can be added to the side of the window 1 to maintain the safety of the escaped person climbing the window 1 across the escape ladder and simultaneously escape. People The member may have the escape rope 2 attached to the waist or the appropriate part of the body, and the escape rope 2 is passed around the anti-drop hook 40 buckle 41 which is erected on the outer cross bar 33 of the guide frame 30, and is loosened at the same time. The guide frame 30 includes a locking button 35 for clamping the side frames 31, 32, so that the guide frame 30 can be moved down with the escape personnel to climb down, and once the escape personnel accidentally slips or falls and falls, The winding relationship between the escape rope 2 and the anti-drop hook 40 buckle 41 on the body thereof will pull down the buckle 41 to cause the hook portion 42 of the other end of the fall arresting hook 40 to rise relative to each other, and with the guide frame 30 Sliding causes the hook portion 42 to be hooked on any of the crossbars 23 of the ladder frame 20, thereby quickly preventing the escape personnel from continuing to fall, thereby achieving the safety protection effect of the fall prevention, thereby improving the safety of the escape of the fire field, and achieving excellent safety. Safe and practical value;

In the above description, it can be seen that the present invention is arranged in the design of a building safety escape facility by using an array of prefabricated ladder frames arranged between the upper and lower slots provided outside the window to form a fence structure inside and outside the compartment. Under normal conditions, it can be used as a general anti-theft iron window. In the event of a fire, only the outer bottom plate of the lower frame is turned upside down, and the ladder is pushed outwards and the winder is tightened. The window frame can be quickly connected to form an extended escape ladder, so that the indoor personnel can escape from the fire, and with the safety protection effect of the guide frame and the anti-drop hook, it is safer to escape from the fire. It completely solves the problem of major casualties caused by the existing anti-theft iron window, which is easy to block the escape route. Overall, it is an innovative and practical safety design.

Furthermore, as shown in FIG. 14 and FIG. 15, when the building belongs to a higher floor, the person can use a hanging basket 8 and a descending retractor 27 with the hanging carrier 9 as an escape facility. The hanging basket 8 is pivotally connected with the frame and the frame, and the hanging basket can be folded for convenient placement on the balcony, and the sling 86 is provided on both sides of the hanging basket 8 for the descending retractor 27 The inner cable 25, 26 is hooked, wherein the auxiliary wheel 81 is arranged at one corner of one side of the hanging basket (by the building floor), and the auxiliary wheel 81 has a plurality of suction cups 82 on the wheel surface, and the hanging basket 8 is provided with a pedal 83. After the pedal 83 is lowered, it can be positioned by a clamping mechanism 84, and the clamping mechanism 84 can be pulled to fold the pedal as shown in FIG. 16 and FIG. 17, and the hanging As shown in FIG. 18, FIG. 19 and FIG. 20, the carrier 9 is a hoisting vehicle 9 which is foldable and height adjustable with the length of the extended boom, and a descending retractor 27 is disposed on the side. The cables 25 and 26 in the receiver pass through the hoisting vehicle 9, by which The hooks of the steel cables 25 and 26 are hooked on the cable hooks 85 of the hanging basket 8, and the hanging carrier 9 can be made into a π-shaped 91 or a plug-in socket 92, as shown in Fig. 20. 21 and 22: an auxiliary pull rod 93 is arranged above the lever arm on the hanging carrier 9, and the pull rod 93 is designed as a sub-tube, and the sub-tube is provided with a rack 94, and the main tube is provided with a pull rod. The positioning card body 96 of the 95 is provided with the rack 94 for one-way advancement, so that the sub-tube is stretched and hooked to the wall surface in the shortest time, as shown in FIG. 21, and the positioning card body 96 is pulled by the pull handle 95 to make it The length of the tie rod is shortened, and the lifting capacity and safety of the lifting device can be improved and the benefit of securing the device in a short time can be considered.

As shown in FIG. 20 and FIG. 21, in order to cooperate with the building, and through the aforementioned facilities, when a fire is encountered in a high-rise building, the user can quickly fix the hanging vehicle 9 to the balcony or window of the building. Then, the folded hanging basket 8 is quickly opened and the steel cables 25 and 26 of the hanging vehicle 9 are hooked on the cable hook 85 of the hanging basket 8, so that the person climbs up the standing platform 3 and then enters the foot. In the hanging basket, the safety rope 87 tied to the person can be hooked on the steel cables 25, 26, and the person can still be suspended from the hanging vehicle 9 when the cable of the hanging basket is broken. The gondola can slowly descend the gondola 8 to a safe place via the descending retractor 27 of the hoisting vehicle 9, and the hoisting basket is provided with an auxiliary wheel 81 and the auxiliary wheel has a suction cup 82, so when the hoisting basket 8 is located in a tall building The suction cup 82 of the auxiliary wheel 81 which is attached to the wall surface can have a slip preventing effect, and the auxiliary wheel has suction force when rolling, but does not adsorb to the floor surface, so there is also a slowing down effect, so that the person can feel in the hanging basket 8 To be safe and stable, there will be no swaying feeling, and to use the hanging basket and lifting 9 configuration to achieve the safety of high-rise escape effect.

In summary, the building safety escape facility of the present invention is designed to provide a safe escape function when the fire occurs, and has excellent industrial utilization and practical value.

Claims

Rights request

1. A building safety escape facility, characterized in that it comprises:

a fixed trough, the group is placed on the upper side of the window;

2. A building safety escape facility, characterized in that it comprises:

a fixed trough, the group is placed on the upper side of the window;

a movable trough frame, the group is placed on the lower side of the window, and the notch corresponds to the notch of the fixed trough frame, so that a predetermined number of ladder frames can be arranged between the upper and lower trough frames;

An array of ladder frames, the ladder frame is composed of parallel two vertical rods and a plurality of cross bars, and one end of the two vertical bars of the ladder frame is made into a contraction rod section, and the outer diameter of the contraction rod section is matched with the inner diameter of the vertical rod, Having the head and tail of each ladder frame can be inserted into each other to form an escape ladder; and

3. The building safety escape device according to claim 1 or 2, wherein the movable trough frame disposed on the lower side of the window is formed by an L-shaped outer bottom plate and fixed to the wall surface. The inner side plate adopts a pivot button type movable pivot forming, and is provided with a spring at a pivot portion thereof to give an inertia for the outer bottom plate to be turned, and the puller disposed in the room through a pair of pull ropes maintains the erection of the outer bottom plate. Status is limited to each At the lower part of the ladder frame, or when the release puller releases the drawstring, the spring is pushed against the outer bottom plate to release the limit state of the lower part of each ladder frame.

4. The building safety escape facility according to claim 1 or 2, wherein the ladder frames are composed of parallel two vertical bars and a plurality of cross bars, the length of the ladder frame is generally upper and lower. The spacing of the two side slots is matched, and one end of the two vertical rods is made into a contraction rod section, and the outer diameter of the contraction rod section is matched with the inner diameter of the vertical rod, so that the head and tail of each ladder frame can be easily combined into an escape ladder.

The building safety escape facility according to claim 1 or 2, wherein the ladder frame is provided with an array of sliding frames, and the sliding frame is composed of two opposite "C" type clamping sides. The frame is equipped with inner and outer and outer crossbars, and is provided with a lock button on the side frame of the clip to position it on the ladder frame, and a pivot seat is arranged on the lower edge of the outer crossbar to pivot The anti-falling hook has a buckle at one end for the escape rope to be tied, and the other end of the anti-fall hook is extended to a hook portion of a proper length, the length of the hook portion is slightly larger than the ladder frame The thickness is such that it can be hooked on the crossbar of the ladder frame when the anti-falling hook is turned over to form a safety protection function.

The building safety escape device according to claim 1 or 2, wherein the indoorly disposed descending retractor is further provided with a separate pull-up hook to give the ladder frame for recycling. Features.

The building safety escape facility according to claim 1 or 2, wherein the window is provided with a standing platform and an armrest is added to one side of the window.

8. The building safety escape facility of claim 2 wherein said descending retractor is adapted to hang a basket.

9. The building safety escape facility of claim 2 wherein the descending retractor is for combination with a hoisting vehicle to hang a hanging basket.