CN114635629A

CN114635629A - Prevent window that people fell

Info

Publication number: CN114635629A
Application number: CN202210179273.1A
Authority: CN
Inventors: 陈三妹; 蔡江
Original assignee: Wuhan University WHU
Current assignee: Wuhan University WHU
Priority date: 2022-02-25
Filing date: 2022-02-25
Publication date: 2022-06-17

Abstract

The invention discloses a window for preventing people from falling, which relates to the technical field of doors and windows, and comprises: frame, response subassembly, activity frame subassembly and drive assembly, the response subassembly is located on the frame, the response subassembly is used for the response whether someone climbs the frame, the activity frame subassembly is located on the frame, drive assembly locates on the frame and with the activity frame subassembly is connected, drive assembly is configured to: when the sensing assembly senses that a person climbs over the frame, the driving assembly is used for driving the movable frame assembly to change from the first state to the second state so as to surround the frame to form a closed structure. The invention can effectively prevent someone from falling from the window when crossing the frame, and provides sufficient rescue time for fire fighters. Meanwhile, the window is not closed, so that the air circulation of a hospital is not slowed down, and the air quality of the hospital is not influenced.

Description

Prevent window that people fell

Technical Field

The invention relates to the technical field of doors and windows, in particular to a falling-proof window.

Background

The window plays the roles of lighting and ventilation, preventing outdoor flying cotton and insects from entering the room, decoration and the like. For hospitals, the window needs to consider the special public environment except the functions, and because the flow of people in hospitals is large, certain window-jumping twilight persons exist, not only the window-jumping twitcher is easy to have accidents, but also the high-altitude falling easily causes great personal safety threat to ground pedestrians. At present, the totally enclosed window can play the protection effect, but can slow down hospital's circulation of air to a great extent, influences the air quality.

Disclosure of Invention

The embodiment of the invention provides a falling-proof window for people, which aims to solve the technical problem that the air quality of hospitals is greatly influenced although the existing totally-enclosed window can prevent people from falling in the related art.

The embodiment of the invention provides a window for preventing people from falling, which comprises:

a frame;

the induction assembly is arranged on the frame and used for inducing whether a person climbs over the frame or not;

the movable frame assembly is arranged on the frame;

a drive assembly disposed on the frame and connected with the movable frame assembly, the drive assembly configured to:

when the sensing assembly senses that a person climbs over the frame, the driving assembly is used for driving the movable frame assembly to change from the first state to the second state so as to surround the frame to form a closed structure.

In some embodiments, the movable frame assembly comprises:

the storage tank is arranged on the side face, facing the outdoor, of the frame, and the interception net is accommodated in the storage tank;

the storage device comprises an upper rotating frame and a lower rotating frame, wherein the upper rotating frame and the lower rotating frame are symmetrically arranged on the storage tank, and two rotating ends of the upper rotating frame or the lower rotating frame can rotate around the middle part of the storage tank;

when the movable frame assembly is in a first state: the upper rotating frame and the lower rotating frame are respectively attached to the storage groove, and the intercepting net is stored in the storage groove;

when the movable frame assembly is in a second state: the upper rotating frame and the lower rotating frame are attached, and the intercepting net is opened by the upper rotating frame and the lower rotating frame and surrounds the frame to form a closed structure.

In some embodiments, the drive assembly comprises:

the two motors are respectively arranged on two sides of the middle part of the frame;

the two driving gears are respectively connected with output shafts of the two motors, and are also respectively connected with two rotating ends of the lower rotating frame;

and the two driven gears are respectively meshed with the two driving gears, and the two driving gears are also respectively connected with the two rotating ends of the upper rotating frame.

In some embodiments, the sensing assembly comprises:

the cross beam is arranged in the middle of the frame and connected with two sides of the frame;

the pressure switch is arranged in a groove above the cross beam and is electrically connected with the two motors;

the pressure plate is arranged above the pressure switch; when a person climbs over the frame, the pressing plate is touched to drive the pressure switch to be switched on, so that the two motors start to rotate.

In some embodiments, the window further comprises a glass assembly comprising:

the sliding grooves are arranged along two sides of the frame;

the sliding support is arranged on the sliding chute and can slide along the sliding chute, and sliding glass is arranged in the sliding support;

and the fixed glass is arranged at the lower part of the cross beam and seals a frame formed by the cross beam and the frame.

In some embodiments, a rotating fastener is arranged at the bottom of the sliding support, and a hook which is connected with the rotating fastener in a matching manner is arranged below the cross beam.

In some embodiments, a plurality of elastic members are disposed on the lower side of the frame corresponding to the sliding bracket, and a buffer plate is disposed on the elastic members.

In some embodiments, a brake switch is arranged on the upper rotating frame or the lower rotating frame, the brake switch is electrically connected with the two motors, and when the upper rotating frame and the lower rotating frame are attached, the brake switch is driven to be turned off, so that the two motors stop rotating.

In some embodiments, the side surface of the frame is provided with a mounting groove, the mounting groove is provided with a storage battery, the side surface of the storage battery is provided with a reset button, and the storage battery and the reset button are both electrically connected with the two motors.

In some embodiments, a plurality of electromagnetic attraction blocks are correspondingly arranged on the upper rotating frame and the lower rotating frame, and locking handles are arranged on the upper rotating frame and the lower rotating frame.

The technical scheme provided by the invention has the beneficial effects that:

the embodiment of the invention provides a window capable of preventing people from falling, and the window is provided with an induction component, a movable frame component and a driving component, wherein when the induction component induces that people cross a frame, the driving component is used for driving the movable frame component to change from a first state to a second state so as to surround the frame to form a closed structure, so that the frame which is crossed by people can be effectively prevented from falling from the window, and sufficient rescue time is provided for fire fighters. Meanwhile, the window for preventing people from falling in the embodiment of the invention is non-closed, so that the air circulation of a hospital is not slowed down, and the air quality of the hospital is not influenced.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic structural view of a falling-proof window according to an embodiment of the present invention;

fig. 2 is another schematic structural view of a falling-proof window according to an embodiment of the present invention;

FIG. 3 is a vertical mid-section view of FIG. 1;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

fig. 5 is a schematic view of another structure of a falling-proof window according to an embodiment of the present invention;

fig. 6 is a schematic view of another structure of a falling-proof window according to an embodiment of the present invention;

in the figure: 1. a frame; 2. a sensing component; 21. a cross beam; 22. a pressure switch; 23. pressing a plate; 24. a hook; 3. a movable frame assembly; 31. a storage tank; 32. rotating the frame upwards; 33. a lower rotating frame; 34. an interception net; 35. a brake switch; 36. an electromagnetic attraction block; 37. a locking handle; 4. a drive assembly; 41. a motor; 42. a driving gear; 43. a driven gear; 5. a glass component; 51. a chute; 511. a sealing groove; 52. a sliding support; 521. a sealing strip; 522. moving the handle; 53. fixing the glass; 54. sliding the glass; 55. rotating the clamping piece; 6. an elastic member; 7. a buffer plate; 8. mounting grooves; 9. a storage battery; 10. and a reset button.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

The embodiment of the invention provides a falling-proof window for people, which can solve the technical problem that the air quality of a hospital is greatly influenced although the falling-proof window for people can prevent people from falling.

Referring to fig. 1, an embodiment of the present invention provides a falling-proof window for a person, the window including: a frame 1, a sensing assembly 2, a movable frame assembly 3 and a driving assembly 4.

Frame 1 is used for fixing at the window opening part of wall body, and on frame 1 was located to response subassembly 2, response subassembly 2 was used for the response whether someone climbed frame 1. The movable frame assembly 3 is arranged on the frame 1, the driving assembly 4 is arranged on the frame 1 and connected with the movable frame assembly 3, and the driving assembly 4 is configured as follows: when the sensing assembly 2 senses that a person climbs over the frame 1, the driving assembly 4 is used for driving the movable frame assembly 3 to change from the first state to the second state so as to form a closed structure around the frame 1.

According to the window for preventing people from falling in the embodiment of the invention, the sensing assembly 2, the movable frame assembly 3 and the driving assembly 4 are arranged, when the sensing assembly 2 senses that people climb over the frame 1, the driving assembly 4 is used for driving the movable frame assembly 3 to change from the first state to the second state so as to surround the frame 1 to form a closed structure, so that the situation that people climb over the frame 1 and fall from the window can be effectively prevented, and sufficient rescue time is provided for firefighters. Meanwhile, the window for preventing people from falling in the embodiment of the invention is non-closed, so that the air circulation of a hospital is not slowed down, and the air quality of the hospital is not influenced.

As an alternative embodiment, in an embodiment of the invention, referring to fig. 1, the movable frame assembly 3 includes: a storage tank 31, an upper rotating frame 32, and a lower rotating frame 33.

The storage tank 31 is provided on the side surface of the frame 1 facing the outside, and the blocking net 34 is housed in the storage tank 31. The upper rotating frame 32 and the lower rotating frame 33 are symmetrically disposed on the storage tank 31, and both rotating ends of the upper rotating frame 32 or the lower rotating frame 33 are rotatable around the middle of the storage tank 31.

When the movable frame assembly 3 is in the first state: the upper rotating frame 32 and the lower rotating frame 33 are respectively attached to the storage tank 31, and the catch net 34 is stored in the storage tank 31.

When the movable frame assembly 3 is in the second state: the upper rotating frame 32 and the lower rotating frame 33 are attached, and the intercepting net 34 is opened by the upper rotating frame 32 and the lower rotating frame 33 and surrounds the frame 1 to form a closed structure, so that people can be effectively prevented from falling from a window when crossing the frame 1, and the structure is simple and reliable.

As an alternative embodiment, in an embodiment of the invention, as shown in fig. 2, the driving assembly 4 comprises: two motors 41, two driving gears 42 and two driven gears 43.

The two motors 41 are respectively arranged at two sides of the middle part of the frame 1, the two driving gears 42 are respectively connected with output shafts of the two motors 41, and the two driving gears 42 are also respectively connected with two rotating ends of the lower rotating frame 33. The two driven gears 43 are engaged with the two driving gears 42, respectively, and the two driving gears 42 are further connected to the two rotation ends of the upper rotation frame 32, respectively.

Further, referring to fig. 3 and 4, the sensing assembly 2 includes: a beam 21, a pressure switch 22 and a pressure plate 23.

The crossbeam 21 is arranged in the middle of the frame 1 and connected with two sides of the frame 1, the pressure switch 22 is arranged in a groove above the crossbeam 21, the pressure switch 22 is electrically connected with the two motors 41, and the pressing plate 23 is arranged above the pressure switch 22; when a person climbs over the frame 1, the pressing plate 23 is touched, the pressure switch 22 is driven to be turned on, and the two motors 41 start to rotate.

Specifically, when a person climbs over the frame 1, the person touches the pressing plate 23, and the pressure switch 22 is turned on, so that the two motors 41 start to rotate. The two motors 41 drive the two driving gears 42 to rotate, the two driven gears 43 are respectively meshed with the two driving gears 42, and the two driven gears 43 rotate while the two driving gears 42 rotate. In addition, the two driving gears 42 are also connected to the two rotating ends of the lower rotating frame 33, respectively, and the two driving gears 42 are also connected to the two rotating ends of the upper rotating frame 32, respectively. The upper rotating frame 32 and the lower rotating frame 33 are rotationally attached, the interception net 34 is opened by the upper rotating frame 32 and the lower rotating frame 33 and surrounds the frame 1 to form a closed structure, and the structure is simple and reliable.

As an alternative embodiment, in an embodiment of the invention, as shown in fig. 5, the window in the embodiment of the invention further includes a glass assembly 5, and the glass assembly 5 includes: a slide groove 51, a slide holder 52 and a fixed glass 53.

The sliding grooves 51 are provided along both sides of the frame 1, the sliding brackets 52 are provided on the sliding grooves 51 and can slide along the sliding grooves 51, the sliding glass 54 is provided in the sliding brackets 52, and the fixed glass 53 is provided at the lower portion of the cross beam 21 and closes the frame formed by the cross beam 21 and the frame 1.

Specifically, the frame 1 provides a mounting position for the sliding chute 51, the sliding chute 51 provides a mounting position for the sliding bracket 52, the sliding bracket 52 is slidably connected with the sliding chute 51, the sliding bracket 52 can slide up and down, the sliding bracket 52 provides a mounting position for the sliding glass 54, the frame 1 and the cross beam 21 provide a mounting position for the fixed glass 53, the sliding glass 54 and the fixed glass 53 can close the window and allow light to shine into the room, to ensure enough light in the room, the user can control the sliding support 52 to slide up and down, close or open the window, when the user moves the sliding support 52 upwards, the sliding glass 54 moves upwards, so that the window forms a sealing structure to prevent air from flowing indoors and outdoors, and when the user moves the sliding bracket 52 downwards, the sliding glass 54 moves downwards, make the window form penetrating structure, let indoor outer circulation of air, realize the normal function of window.

As an alternative embodiment, referring to fig. 3, in an embodiment of the invention, a sealing groove 511 is provided at the top of the sliding groove 51, a sealing strip 521 is provided at the top of the sliding bracket 52, the sealing groove 511 and the sealing strip 521 can be matched with each other, and a moving handle 522 is provided on the sliding bracket 52.

Particularly, the sliding support 52 provides an installation position for the sealing strip 521, the sealing groove 511 can be matched with the sealing strip 521 to fill the gap between the frame 1 and the sliding support 52, so that cold air and rainwater outside the house can be prevented from entering the house through the gap, the sealing performance of the window is enhanced, the movable handle 522 can provide a force point for a user, the user can exert force when moving the sliding support 52, and the sliding support 52 is more convenient to move.

As an alternative embodiment, in an embodiment of the invention, as shown in fig. 4 and 6, the bottom of the sliding bracket 52 is provided with a rotating latch 55, and a hook 24 is arranged below the cross beam 21 and is in fit connection with the rotating latch 55.

Specifically, the rotating fastener 55 is rotatably connected with the bottom of the sliding bracket 52, the rotating fastener 55 can rotate relative to the sliding bracket 52, when the user lifts the sliding bracket 52, the rotating fastener 55 can be rotated, so that the rotating fastener 55 rotates into the hook 24 below the cross beam 21, the rotating fastener 55 and the hook 24 are mutually matched, the sliding bracket 52 and the cross beam 21 can be kept relatively static, the window is closed, and the window forms a closed structure.

As an alternative embodiment, in an embodiment of the present invention, referring to fig. 5, a plurality of elastic members 6 are provided on the lower side of the frame 1 corresponding to the sliding brackets 52, and a buffer plate 7 is provided on the elastic members 6.

Specifically, frame 1 provides the mounted position for a plurality of elastic component 6, a plurality of elastic component 6 provide the mounted position for buffer board 7, a plurality of elastic component 6 have elasticity, when the user puts down sliding support 52 from the eminence, buffer board 7 can play the cushioning effect, and transmit some power for a plurality of elastic component 6, a plurality of elastic component 6 can be with power conversion elastic potential energy, further provide the cushioning effect, prevent that sliding support 52 bottom from taking place the striking with frame 1 downside in the whereabouts in-process, protect sliding support 52 and the rotatory fastener 55 of bottom.

As an alternative embodiment, in an embodiment of the present invention, referring to fig. 1, a brake switch 35 is disposed on the upper rotating frame 32 or the lower rotating frame 33, the brake switch 35 is electrically connected to the two motors 41, and when the upper rotating frame 32 and the lower rotating frame 33 are attached, the brake switch 35 is turned off to stop the rotation of the two motors 41.

Specifically, the upper rotating frame 32 and the lower rotating frame 33 are driven by the driving gear 42 and the driven gear 43 to move towards the middle quickly, when the upper rotating frame 32 and the lower rotating frame 33 both rotate by ninety degrees, the brake switches 35 on the upper rotating frame 32 or the lower rotating frame 33 will contact with each other, the brake switches 35 are electrically connected with the motor 41, the motor 41 stops operating immediately, and the situation that other components are damaged due to the over-operation of the motor 41 can be effectively avoided.

As an alternative embodiment, in an embodiment of the invention, referring to fig. 1, a mounting groove 8 is formed on a side surface of the frame 1, a storage battery 9 is arranged on the mounting groove 8, a reset button 10 is arranged on a side surface of the storage battery 9, and both the storage battery 9 and the reset button 10 are electrically connected with two motors 41.

Specifically, the mounting groove 8 provides a mounting position for the storage battery 9, so that the storage battery 9 can be mounted on the frame 1, the storage battery 9 can store electric energy, the electric energy can be still supplied to the electric devices on the whole window under the state that no external power is continuously supplied, the operation of a plurality of electric devices is maintained, the failure of the plurality of electric devices due to the loss of the electric energy supply is prevented, the storage battery 9 can be manually disassembled, when the mounted storage battery 9 is dead, the standby storage battery 9 can be replaced, the operation of the plurality of electric devices is continuously maintained, the reset button 10 is arranged on the side surface of the storage battery 9, when the upper rotating frame 32 and the lower rotating frame 33 are in contact with each other and the upper rotating frame 32 and the lower rotating frame 33 need to be reset again, the reset button 10 is pressed, the two motors 41 reversely rotate, so that the driving gear 42 and the driven gear 43 drive the upper rotating frame 32 and the lower rotating frame 33 to reset, motor 41 stall after last rotation frame 32 and lower rotation frame 33 reset and accomplish, under the promotion of last rotation frame 32 and lower rotation frame 33, intercept net 34 is accomodate in depositing the groove 31, prevent burning sun and rainwater to the damage of intercept net 34, set up reset button 10 in the battery 9 side, can let reset button 10 keep away from crossbeam 21, avoid personnel to struggle unexpected touch reset button 10, make and go up rotation frame 32 and lower rotation frame 33 and reset, can not play the effect of preventing the people from falling.

As an alternative embodiment, in an embodiment of the invention, referring to fig. 1, a plurality of electromagnetic attraction blocks 36 are correspondingly disposed on the upper rotating frame 32 and the lower rotating frame 33, and a locking handle 37 is disposed on each of the upper rotating frame 32 and the lower rotating frame 33.

Specifically, when the upper rotating frame 32 and the lower rotating frame 33 are rotated ninety degrees and contact each other, the electromagnetic attraction blocks 36 on the upper rotating frame 32 and the lower rotating frame 33 contact each other, and the magnetic force is applied to lock the upper rotating frame 32 and the lower rotating frame 33 together, so as to prevent people from struggling to separate the upper rotating frame 32 and the lower rotating frame 33. The locking knobs 37 of the upper and lower

rotating frames

32 and 33 may be automatically and mechanically coupled together when the upper and lower

rotating frames

32 and 33 are brought into contact with each other, so that the upper and lower

rotating frames

32 and 33 are tightly coupled together.

In the description of the present invention, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present invention. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

It is to be noted that, in the present invention, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The foregoing are merely exemplary embodiments of the present invention, which enable those skilled in the art to understand or practice the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A fall resistant window for a person, the window comprising:

a frame (1);

the induction assembly (2) is arranged on the frame (1), and the induction assembly (2) is used for inducing whether a person climbs over the frame (1);

the movable frame assembly (3) is arranged on the frame (1);

a drive assembly (4), the drive assembly (4) being provided on the frame (1) and being connected with the movable frame assembly (3), the drive assembly (4) being configured to:

when the sensing assembly (2) senses that a person climbs over the frame (1), the driving assembly (4) is used for driving the movable frame assembly (3) to change from the first state to the second state so as to surround the frame (1) to form a closed structure.

2. A fall-protection window as claimed in claim 1, characterized in that said movable frame assembly (3) comprises:

the storage tank (31) is arranged on the side surface, facing the outdoor, of the frame (1), and the interception net (34) is accommodated in the storage tank (31);

an upper rotating frame (32) and a lower rotating frame (33), wherein the upper rotating frame (32) and the lower rotating frame (33) are symmetrically arranged on the storage tank (31), and two rotating ends of the upper rotating frame (32) or the lower rotating frame (33) can rotate around the middle part of the storage tank (31);

when the movable frame assembly (3) is in a first state: the upper rotating frame (32) and the lower rotating frame (33) are respectively attached to the storage tank (31), and the intercepting net (34) is stored in the storage tank (31);

when the movable frame assembly (3) is in a second state: the upper rotating frame (32) and the lower rotating frame (33) are attached, and the intercepting net (34) is opened by the upper rotating frame (32) and the lower rotating frame (33) and surrounds the frame (1) to form a closed structure.

3. A fall-resistant window as claimed in claim 2, characterized in that the drive assembly (4) comprises:

the two motors (41), the two motors (41) are respectively arranged on two sides of the middle part of the frame (1);

the two driving gears (42), the two driving gears (42) are respectively connected with output shafts of the two motors (41), and the two driving gears (42) are also respectively connected with two rotating ends of the lower rotating frame (33);

the two driven gears (43), two driven gears (43) respectively with two driving gear (42) meshing, two driving gear (42) still respectively with two of last rotation frame (32) rotate the end and be connected.

4. A fall-resistant window as claimed in claim 3, characterized in that the sensing assembly (2) comprises:

the cross beam (21) is arranged in the middle of the frame (1) and connected with two sides of the frame (1);

the pressure switch (22), the pressure switch (22) is arranged in a groove above the cross beam (21), and the pressure switch (22) is electrically connected with the two motors (41);

the pressure plate (23), the said pressure plate (23) locates above the said pressure switch (22); when a person climbs over the frame (1), the pressing plate (23) is touched to drive the pressure switch (22) to be turned on, so that the two motors (41) start to rotate.

5. Falling-protection window for persons according to claim 4, characterized in that it further comprises a glass assembly (5), said glass assembly (5) comprising:

the sliding grooves (51), the sliding grooves (51) are arranged along two sides of the frame (1);

the sliding support (52) is arranged on the sliding chute (51) and can slide along the sliding chute (51), and sliding glass (54) is arranged in the sliding support (52);

and the fixed glass (53) is arranged at the lower part of the cross beam (21) and seals the frame formed by the cross beam (21) and the frame (1).

6. The fall resistant window according to claim 5, wherein:

the bottom of the sliding support (52) is provided with a rotary clamping piece (55), and a clamping hook (24) which is matched and connected with the rotary clamping piece (55) is arranged below the cross beam (21).

7. The fall resistant window according to claim 5, wherein:

the lower side of the frame (1) is provided with a plurality of elastic pieces (6) corresponding to the sliding support (52), and the elastic pieces (6) are provided with buffer plates (7).

8. A fall-resistant window as claimed in claim 3, wherein:

go up to rotate frame (32) or be equipped with brake switch (35) down on rotating frame (33), brake switch (35) and two motor (41) electricity is connected, works as when last rotating frame (32) and lower rotating frame (33) laminating, drive brake switch (35) are closed, make two motor (41) stall.

9. A fall-resistant window as claimed in claim 3, wherein:

frame (1) side is equipped with mounting groove (8), be equipped with battery (9) on mounting groove (8), battery (9) side is equipped with reset button (10), battery (9) and reset button (10) all with two motor (41) electricity is connected.

10. A fall-resistant window as claimed in claim 2, wherein: go up and correspond on rotation frame (32) and lower rotation frame (33) and be equipped with a plurality of electromagnetism absorption piece (36), all be equipped with locking handle (37) on last rotation frame (32) and lower rotation frame (33).