CN114658342A - Prevent accidental window protector who falls from building - Google Patents
Prevent accidental window protector who falls from building Download PDFInfo
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- CN114658342A CN114658342A CN202210170719.4A CN202210170719A CN114658342A CN 114658342 A CN114658342 A CN 114658342A CN 202210170719 A CN202210170719 A CN 202210170719A CN 114658342 A CN114658342 A CN 114658342A
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- frame
- rotating
- rope
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- rotating frame
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/28—Other arrangements on doors or windows, e.g. door-plates, windows adapted to carry plants, hooks for window cleaners
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- Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
- Emergency Lowering Means (AREA)
Abstract
The invention relates to a window protection device for preventing accidental falling from a building, which comprises an underframe and a side frame, wherein the side frame comprises a fixed frame and a rotating frame, the fixed frame is fixedly connected with the underframe, and the bottom end of the rotating frame is rotatably connected with the underframe so as to be capable of switching between a first state that the rotating frame is accommodated in the fixed frame and a second state that the rotating frame and the fixed frame form a preset angle; the window protection device also comprises a rope, a protective net and a winding mechanism; the winding mechanism is positioned in the bottom frame; the rope respectively movably penetrates through the two rotating frames, the first end of the rope extends out of the top ends of the rotating frames and is fixedly connected to the fixed frame or above the fixed frame, and the second end of the rope is connected with the winding device at the bottom end of the rotating frames; the protective net is connected between the two ropes, the protective net is rolled on the rolling mechanism when in the first state, and the protective net is opened between the two rotating frames when in the second state. This window protector can avoid unexpected falling from the building, and occupation space is little, has good bearing capacity.
Description
Technical Field
The invention relates to the technical field of windows, in particular to a window protection device for preventing accidental falling from a building.
Background
In order to prevent people from accidentally falling from a window, some protection window technologies exist in the prior art, for example, chinese patent application CN110080662A discloses a safety window for preventing children from falling, the window includes a frame part, a movable glass part, a safety protection guard part and a power part, it is realized that the guard rail can be moved to close the window, and mutual adjustment between anti-falling, lighting and ventilation is realized, but the guard rail of the window safety protection guard part is completely opened, the occupied space is large, and a limit lock and the like need to be manually controlled to control the movement and locking of the guard rail, and the operation is complicated. For example, chinese patent application CN104196430A discloses a high-rise building windowsill anti-falling net, in which electric telescopic devices are respectively installed at the left and right sides inside the housing, and when the net is started, the electric telescopic rods extend forward to form electric telescopic rods, and a protective net is installed between the electric telescopic rods, and the electric telescopic rods drive the protective net to open, but in this structure, the electric telescopic rods are cantilever beams, and the load-bearing capacity is poor.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a window protection device for preventing accidental falling from a building, which can open a protective net when needed, avoids accidental falling from the building, occupies a small space and has good bearing capacity.
In order to achieve the purpose of the invention, the invention provides a window protection device for preventing accidental falling, which comprises an underframe and two side frames which are respectively connected to two ends of the underframe and are parallel to each other, wherein each side frame comprises a fixed frame and a rotating frame, the fixed frame is fixedly connected with the underframe, and the bottom end of the rotating frame is rotatably connected with the underframe so as to be capable of switching between a first state that the rotating frame is accommodated in the fixed frame and a second state that the top end of the rotating frame leaves the fixed frame to enable the rotating frame and the fixed frame to form a preset angle; the window protection device also comprises a rope, a protective net and a winding mechanism; the winding mechanism is positioned in the bottom frame; the number of the ropes is two, the two ropes respectively movably penetrate through the two rotating frames, the first ends of the ropes extend out of the top ends of the rotating frames and are fixedly connected to the fixed frames or above the fixed frames, and the second ends of the ropes are connected with the winding device at the bottom ends of the rotating frames; the protection network is connected between two ropes, and the protection network setting is between rope second end and rope are middle, and the protection network can be along with the rope rolling to winding mechanism or along the rotating turret removal for on the protection network rolling to winding mechanism when being in the first state, the protection network opened between two rotating turrets when being in the second state.
The window protection device further comprises a pushing mechanism arranged between the fixed frame and the rotating frame, the pushing mechanism is connected with the winding mechanism in a linkage mode, and when the winding mechanism loosens the rope, the pushing mechanism pushes the rotating frame away from the fixed frame.
The winding mechanism comprises a rotating shaft, a driving piece, grooved wheels, a first driving wheel and a bearing, wherein the grooved wheels are arranged at two ends of the rotating shaft and are used for accommodating ropes; the first transmission wheel is arranged on the rotating shaft relative to the end, close to the rotating shaft, of the grooved wheel, the pushing mechanism comprises a second transmission wheel connected to the fixing frame and a pushing block linked with the second transmission wheel, the second transmission wheel is connected with the first transmission wheel through a first belt, and the pushing block is used for pushing the rotating frame; the bearing is arranged on the rotating shaft closer to the tail end of the rotating shaft relative to the first driving wheel, and the underframe further comprises a supporting seat which is connected with the bearing; the driving member is connected with at least one end of the rotating shaft.
The further technical scheme is that the pushing block comprises a connecting shaft and a pushing head, the connecting shaft is connected with the second driving wheel, the pushing head is connected to the tail end of the connecting shaft, and the pushing head protrudes relative to the connecting shaft along two rotating directions of the connecting shaft; the rotating frame is provided with a first groove communicated with the bottom frame, the second driving wheel is located in the first groove when the rotating frame is in the first state, the bottom of the first groove comprises a baffle and a notch located above the baffle, the notch allows the push block to rotate and penetrate, when the winding rope of the winding mechanism reaches the first state, the push head presses a first surface, far away from the second driving wheel, of the baffle, and when the winding mechanism starts to loosen the rope from the first state, the push head pushes a second surface, close to the second driving wheel, of the baffle.
The further technical proposal is that the diameter of the rope is larger than the fiber diameter of the protective net; the grooved pulley comprises an inner side plate and an outer side plate, an accommodating groove for accommodating the rope is formed between the inner side plate and the outer side plate, the outer side plate is closer to the tail end of the rotating shaft relative to the inner side plate, the supporting seat further comprises a limiting block, the limiting block is arranged around the grooved pulley, a first gap is formed between the limiting block and the grooved pulley, and the width of the first gap is larger than the fiber diameter of the protective net and smaller than the diameter of the rope; the side of the rotating frame facing to the other rotating frame is provided with a side channel for the protective net to pass through, and the width of the side channel is larger than the fiber diameter of the protective net and smaller than the diameter of the rope.
The further technical scheme is that the preset angle is greater than or equal to 30 degrees and smaller than 45 degrees, the side channel penetrates through the bottom end of the rotating frame, and the side channel does not penetrate through the top end of the rotating frame; the rope protection device comprises a rotating frame, a rope accommodating cavity, a first roller assembly, a second roller assembly, a rope, a first roller assembly, a second roller assembly and a third roller assembly, wherein the bottom end of the rotating frame is provided with the first roller assembly, the top end of the rotating frame is provided with the second roller assembly, the first roller assembly and the second roller assembly respectively comprise two rollers which are in contact with the rope from two sides, the middle of each roller is inwards concave to form the rope accommodating cavity, a second gap exists between the edges of the two rollers, and the width of the second gap is larger than the fiber diameter of a protection net and smaller than the diameter of the rope; the top end of the underframe comprises an arc-shaped supporting block with an upward opening, and the opening is communicated with the rotating shaft; be connected with the arc apron between two rotating turret, the arc apron can move around the arc support block, is equipped with the end passageway of intercommunication side passageway on the arc apron, and end passageway communicates the opening all the time when the arc apron rotates.
The further technical proposal is that an arc-shaped groove is arranged on the bottom frame, and a stop block is formed at the edge of the arc-shaped groove; the rotating frame bottom includes the arc shell, and arc shell edge is equipped with the lug, and the arc shell outside rotationally cooperates with the arc wall, and the lug contacts with the dog when being in the second state.
The window protection device further comprises a side guardrail, wherein the side guardrail comprises a plurality of longitudinal rods which are sequentially adjacent, the adjacent longitudinal rods are connected through a connecting rod mechanism, the first longitudinal rod is connected to the fixed frame, and the last longitudinal rod is connected to the rotating frame; and a second groove for accommodating the longitudinal rod is arranged on the rotating frame.
The top end of the rotating frame is provided with an arc-shaped cover plate, the arc-shaped cover plate is connected to the outer wall of the top end of the rotating frame, which is far away from the fixed frame, and the arc-shaped cover plate is arc-shaped with the rotating center of the rotating frame as the center and extends in the direction towards the fixed frame; the tail end of the fixing frame is connected with a cover body, when the fixing frame is in a first state, the arc-shaped cover plate extends into the cover body from the end face of the cover body, and the lowest part of the end face of the cover body is lower than the highest part of the arc-shaped cover plate; the side panel of the fixing frame facing to the other fixing frame is provided with an inner concave part allowing the protective net to extend out of the side face of the rotating frame, the side face of the cover body is connected with the end face of the cover body and the inner concave part, and the side face of the cover body inclines or bends towards the bottom frame along the direction pointing to the inner concave part from the end face of the cover body, so that the side face of the cover body covers one side of the top end of the rotating frame.
The technical scheme is that the window protection device further comprises an infrared detector and an alarm, the infrared detector is used for detecting whether children are close to the window or not and sending out a signal when the detected children are close to the window, and the winding mechanism and the alarm work according to the signal.
Compared with the prior art, the invention can obtain the following beneficial effects:
the window protection device for preventing accidental falling from the building, provided by the invention, adopts the mutual matching of the bottom frame, the fixing frame and the rotating frame, the rope is driven by the winding device to stretch, and then the rope controls the rotating frame to rotate relative to the bottom frame at the bottom end of the fixing frame, so that the rotating frame is attached to the fixing frame or form a certain angle, and meanwhile, the protective net is wound or unfolded along with the rope, so that the protective net is stored without occupying too much space when the protective net is not used, the protective net can be effectively unfolded to avoid accidental falling when the protective net is used, the rotating frame and the fixing frame form a certain angle, and the top end of the rotating frame is fixedly connected with the fixing frame or the upper part of the fixing frame through the rope when the protective net is unfolded, so that the bearing capacity of the device is improved.
Drawings
Fig. 1 is a schematic view of an embodiment of the window guard of the present invention in a first configuration.
Fig. 2 is a schematic view of an embodiment of the window guard of the present invention in a second configuration.
Fig. 3 is a schematic view of a first cross-sectional configuration of an embodiment of the window guard of the present invention.
Fig. 4 is a schematic view of a second cross-sectional structure of an embodiment of the window guard of the present invention.
Fig. 5 is a schematic view of a third cross-sectional structure of an embodiment of the window guard of the present invention.
Fig. 6 is a schematic view of a winding mechanism in an embodiment of the window guard of the present invention.
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Detailed Description
As shown in fig. 1 to 6, the present embodiment provides a window guard against accidental falling, which can be flexibly applied to existing windows, particularly high-rise windows, including push-pull windows, rotary windows and other types of windows, for preventing accidental falling of a person, particularly a child, from the window.
The window guard of the present embodiment includes a base frame 100 and two side frames 200 respectively connected to two ends of the base frame 100 and parallel to each other, wherein the side frames 200 may be disposed perpendicular to the base frame 100, for example. Each side frame 200 includes a fixed frame 210 and a rotating frame 220, and the bottom end of the fixed frame 210 is fixedly connected with the base frame 100, for example, fixedly connected together by welding. The bottom end of the rotating frame 220 is rotatably connected with the bottom frame 100, so that the rotating frame 220 can be stored in the fixed frame 210 in a first state and the top end of the rotating frame 220 leaves the fixed frame 210 to be converted between a second state, wherein the fixed frame 210 and the rotating frame 220 form a preset angle, namely the rotating frame 220 is basically attached to the fixed frame 210 in the first state, the top end of the rotating frame 220 is close to the top end of the fixed frame 210, the bottom end of the rotating frame 220 rotates relative to the bottom end of the fixed frame 210 relative to the bottom end of the rotating frame 100 in the second state, so that the top end of the rotating frame 220 leaves the top end of the fixed frame 210, an included angle formed by taking the bottom end of the fixed frame 210 as an end point and taking the rotating frame 220 and the fixed frame 210 as two sides, namely, the preset angle. In the window guard of this embodiment, when mounted to a window, the two fixing brackets 210 may be mounted to both side walls of the window, and the bottom chassis 100 may be mounted to a wall at the lower end of the window, for example, may be fixed to a concrete wall by a screw fastener, etc. The base frame 100, the fixed frame 210 and the rotating frame 220 may be made of metal, engineering plastic or composite materials.
The window guard of this embodiment further includes a rope 300, a protection net 400, and a winding mechanism 500. The winding mechanism 500 is located within the chassis 100. The number of the ropes 300 is two, the two ropes 300 respectively pass through the two rotating frames 220 in a movable manner, and the ropes 300 pass through the top ends of the rotating frames 220 and the bottom ends of the rotating frames 220. The first end of the cord 300 extends from the top end of the turret 220 and is fixedly attached to the top end of the mount 210 or above the mount 210, such as to a hook at the top end of the mount 210 that is at a higher position relative to the turret 220. The second end of the rope 300 extends out from the bottom end of the rotating frame 220 and is connected with the winding mechanism 500, and the rope 300 is wound by the winding mechanism 500. The protection net 400 is connected between two ropes 300, and the protection net 400 is disposed between the second ends of the ropes 300 and the middles of the ropes 300, where the middles of the ropes 300 may refer to any one point of position between the first ends of the ropes 300 and the second ends of the ropes 300, and is not limited to the midpoint in the length direction of the ropes 300. The protection net 400 can be wound into the winding mechanism 500 along with the ropes 300 or moved along the rotating frames 220, so that the protection net 400 is wound onto the winding mechanism 500 in the first state, and the protection net 400 is opened between the two rotating frames 220 in the second state. It can be seen that the window protector of this embodiment can rotate the accomodating or opening of control protection network 400 simultaneously through rolling control rotating turret 220 of rope 300, when rolling mechanism 500 tightens up rope 300, rotating turret 220 rotates the first state of laminating with mount 210, protection network 400 is rolled up simultaneously, the whole occupation space of device is less, when rolling mechanism 500 loosens rope 300, rotating turret 220 can rotate and form the second state of predetermineeing the angle with mount 210, protection network 400 is opened simultaneously, play the effect of preventing unexpected building fall, and rotating turret 220 top is passed through rope 300 and mount 210 top on or mount 210 top fixed connection this moment, the bearing capacity of rotating turret 220 has been improved.
Preferably, the window protecting device further comprises a pushing mechanism 600 disposed between the fixing frame 210 and the rotating frame 220, wherein the pushing mechanism 600 is coupled to the winding mechanism 500 in a linkage manner, and when the winding mechanism 500 releases the rope 300, the pushing mechanism 600 pushes the rotating frame 220 away from the fixing frame 210, so as to prevent the rotating frame 220 from being out of the fixing frame 210 in time when the winding mechanism 500 releases the rope 300.
Preferably, the winding mechanism 500 includes a rotating shaft 510, a driving member 520, a grooved pulley 530, a first driving wheel 540 and a bearing 550, the grooved pulley 530 is disposed at both ends of the rotating shaft 510, the grooved pulley 530 is used for accommodating the rope 300, that is, the rope 300 can be placed in the grooved pulley 530 after being wound, and the protection net 400 can be wound on the rotating shaft 510 between the two grooved pulleys 530 after the rope 300 is wound. The first driving wheel 540 is disposed on the rotating shaft 510 closer to the end of the rotating shaft 510 than the sheave 530, the pushing mechanism 600 includes a second driving wheel 610 connected to the fixed frame 210 and a pushing block 620 linked with the second driving wheel 610, the second driving wheel 610 is connected with the first driving wheel 540 by a first belt 541, and the pushing block 620 is used for pushing the rotating frame 220 to rotate when the rope 300 is released. The bearing 550 is disposed on the rotating shaft 510 closer to the end of the rotating shaft 510 than the first driving wheel 540, the bottom chassis 100 further includes a support base 110, the support base 110 is connected to the bearing 550, the middle of the support base 110 can be connected to the main housing of the bottom chassis 100, and both ends of the support base 110 can extend to both sides to support the bearings 550 at both ends. The driving member 520 is connected to at least one end of the rotating shaft 510, and the driving member may be a motor, such as an existing forward/reverse motor, or a combination of a motor, a reduction gearbox, a pawl box, etc., as long as the driving member can drive the rotating shaft 510 to rotate for a certain angle or number of turns. A third driving wheel may be disposed on the driving member 520, a fourth driving wheel may be disposed at the end of the rotating shaft 510, and the third driving wheel and the fourth driving wheel may be connected by a second belt.
Preferably, the pushing block 620 includes a connecting shaft 621 and a pushing head 622, the connecting shaft 621 is connected with the second transmission wheel 610, the pushing head 622 is connected to the end of the connecting shaft 621, and the pushing head 622 is protruded in both directions of rotation of the connecting shaft 621 relative to the connecting shaft 621, and the protruded portion is used for contacting with other components when pushing and pressing. The rotating frame 220 is provided with a first groove 221 communicated with the bottom frame 100, the second driving wheel 610 is positioned in the first groove 221 when in the first state, the bottom of the first groove 221 comprises a baffle 222 and a notch 223 positioned above the baffle 222, the notch 223 allows the push block 620 to rotate and pass through, when the winding mechanism 500 winds the rope 300 to reach the first state, the pushing head 622 presses the first surface 224 of the baffle 222 away from the second transmission wheel 610, when the winding mechanism 500 starts to unwind the cord 300 from the first state, the pushing head 622 pushes the second surface 225 of the shutter 222 close to the second transmission wheel 610, the pushing head 622 can act as pushing and pressing in two directions respectively, such as pushing head 622 rotating onto second surface 225 after tether 300 is released a distance and pushing second surface 225 outward by the rotation of pushing head 622, after cable 300 is tightened, pushing head 622 rotates onto first surface 224 to press against first surface 224. The pushing head 622 is preferably made of a material having a certain elasticity.
Preferably, the diameter of the rope 300 is greater than the fiber diameter of the protection net 400, and the diameter of the rope 300 may be, for example, 2 to 5 times the fiber diameter of the protection net 400. The sheave 530 includes an inner plate 531 and an outer plate 532, a receiving groove 533 for receiving the rope 300 is formed between the inner plate 531 and the outer plate 532, the outer plate 532 is closer to the end of the rotating shaft 510 than the inner plate 531, the support base 110 further includes a stopper 111, the stopper 111 is disposed around the sheave 530, a first gap 112 exists between the stopper 111 and the inner plate 531, a width of the first gap 112 is larger than a fiber diameter of the protection net 400 and smaller than a diameter of the rope 300, and the rope 300 can be prevented from escaping from the sheave 530 and allowing the protection net 400 to pass through the first gap 112. The fibers of the protection net 400 of different winding layers are staggered in the first gap 112 when the protection net 400 is wound up, or may be overlapped, and the width of the first gap 112 may accommodate the fiber diameter of a plurality of protection nets 400 but smaller than the diameter of the rope 300. The width of the protection net 400 may be slightly greater than the distance between the two rotating frames 220, so that the ropes 300 at both ends of the protection net 400 can be wound into the sheave 530 to a certain depth, and the protection net 400 is not pulled.
Preferably, the sides of the turrets 220 facing the other turret 220 are provided with side channels 226 through which the protection net 400 passes, the side channels 226 being used to pass the edges of the protection net 400 when the protection net 400 is open. Similarly, the width of the side passage 226 is larger than the fiber diameter of the protection net 400 and smaller than the diameter of the rope 300, preventing the rope 300 from being detached from the side passage 226. The side channels 226 may, for example, be provided with a lint barrier, which may act as a dust barrier.
Preferably, the preset angle is greater than or equal to 30 ° and less than 45 °. Since the length of the rope 300 extended from the top end of the rotating frame 220 is greater than or equal to the length of the opened protection net 400, if the preset angle is too small, the length of the opened protection net 400 is too small. The larger the preset angle is, the smaller the included angle between the top end of the rotating frame 220 and the two sides of the rotating frame 220 and the rope 300 is, which may make the rope 300 difficult to wind.
Preferably, the side channel 226 penetrates through the bottom end of the rotating frame 220 and the side channel 226 does not penetrate through the top end of the rotating frame 220, and the end of the side channel 226 close to the top end of the rotating frame 220 can block the protection net 400 from further opening, so as to block the rope 300 from further loosening and play a role in limiting.
Preferably, the bottom end of the rotating frame 220 is provided with a first roller assembly 227, the top end of the rotating frame 220 is provided with a second roller assembly 228, the first roller assembly 227 and the second roller assembly 228 respectively comprise two rollers which are contacted with the rope 300 from two sides, and the middle of the roller is concave to form a rope accommodating cavity 310, so that the rope 300 can move smoothly in the rotating frame 220. There is a second gap 229 between the edges of the two rollers, and the width of the second gap 229 is greater than the fiber diameter of the protection net 400 and less than the diameter of the rope 300, preventing the rope 300 from escaping from the rollers, and allowing the protection net 400 to pass through the roller members.
Preferably, the top end of the base frame 100 includes an arc-shaped supporting block 120 having an upward opening 121, the opening 121 leading to the rotation shaft 510, the opening 121 for passing the protection net 400. An arc-shaped cover plate 230 is connected between the two rotating frames 220, the arc-shaped cover plate 230 can move around the arc-shaped supporting block 120 along an arc shape, a bottom channel 231 communicated with the side channel 226 is arranged on the arc-shaped cover plate 230, when the arc-shaped cover plate 230 moves, the bottom channel 231 is always communicated with the opening 121, and the bottom channel 231 is used for the protective net 400 to pass through. The bottom passage 231 may have a trumpet shape with a narrow top and a wide bottom, for example, so that the protection net 400 is aligned with the bottom passage 231 and extends out.
Preferably, the bottom frame 100 is provided with an arc-shaped slot 130, a stop 131 is formed at the edge of the arc-shaped slot 130, and the stop 131 may be, for example, a slope inclined downwards relative to the edge of the arc-shaped slot 130. The bottom end of the rotating frame 220 comprises an arc-shaped shell 240, a projection 241 is arranged at the edge of the arc-shaped shell 240, the outer side of the arc-shaped shell 240 is rotatably matched with the arc-shaped groove 130, and when the rotating frame is in the second state, the projection 241 is contacted with the stop block 131 so as to prevent the arc-shaped shell 240 from further rotating relative to the arc-shaped groove 130, and a limiting effect is achieved.
Preferably, the window protecting device further comprises a side protecting rail 700, the side protecting rail 700 comprises a plurality of longitudinal bars 710 which are adjacent to each other in sequence, the adjacent longitudinal bars 710 are connected by a connecting rod mechanism 711, the first longitudinal bar 710 is connected to the fixed frame 210, and the last longitudinal bar 710 is connected to the rotating frame 220, so that in the second state, the side protecting rail 700 can be opened like a fan to form a two-sided protecting structure. The linkage 711 may include, for example, an upper linkage connected between the top ends of adjacent longitudinal bars 710 and a lower linkage connected between the middle of adjacent longitudinal bars 710. The turret 220 may be provided with a second recess 712 configured to receive the side rail 710.
Preferably, the top end of the rotating frame 220 is provided with an arc-shaped cover plate 250, the arc-shaped cover plate 250 is connected to an outer wall of the top end of the rotating frame 220 far away from the fixed frame 210, and the arc-shaped cover plate 250 is in an arc shape centering on the rotation center of the rotating frame 220 and extends in a direction towards the fixed frame 210. Mount 210 end connection has the cover 211, and arc apron 250 stretches into in the cover 211 from the cover 211 terminal surface when being in first state, and cover 211 terminal surface lower extreme is less than the highest point of arc apron 250 on the vertical direction to can be dustproof and waterproof.
Preferably, the side panel of the holder 210 facing the other holder 210 is provided with an inner recess 212 allowing the protection net 400 to protrude from the side of the rotating frame 220, the inner recess 212 being, for example, inwardly recessed so as not to shield the side passage 226. The side surface of the cover 211 connects the end surface of the cover 211 and the concave part 212, and the side surface of the cover 211 is inclined or bent toward the base frame 100 in a direction from the end surface of the cover 211 to the concave part 212, so that the side surface of the cover 211 covers one side of the top end of the rotating frame 220, thereby being capable of preventing dust and water. The other side panel of the fixing frame 210 far away from the other fixing frame 210 preferably completely covers the other side of the rotating frame 220 for better shielding and protection.
Preferably, the window guard further includes an infrared detector 800 and an alarm 900, the infrared detector 800 is used to detect whether a person such as a child approaches the room, and when the infrared detector 800 detects that a person such as a child approaches the room, a signal is sent, and the winding mechanism 500 and the alarm 900 are operated according to the signal. The infrared detector 800 may be an existing infrared sensor, and the infrared detector 800 and the alarm 900, the infrared detector 800 and the winding mechanism 500 may be electrically connected, or may perform signal transmission in a wireless manner. In one embodiment of the present invention, the infrared detector 800 is disposed toward the room, and may be disposed at a height position lower than the height of the child, so as to facilitate detection of the child. In another embodiment of the present invention, an infrared detector 800 may also be disposed on the window frame or chassis 100, the fixing frame 210, for detecting whether a person steps onto the window frame or chassis 100. The alarm 900 may be located indoors, and the alarm 900 may work with the winding mechanism 500 in any order or simultaneously for alerting others indoors.
Finally, it should be emphasized that the above-described embodiments are merely preferred examples of the invention, which is not intended to limit the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A window protection device for preventing accidental falling from a building is characterized by comprising an underframe and two side frames which are respectively connected to two ends of the underframe and are parallel to each other, wherein each side frame comprises a fixed frame and a rotating frame, the fixed frame is fixedly connected with the underframe, and the bottom end of the rotating frame is rotatably connected with the underframe so as to be capable of switching between a first state that the rotating frame is accommodated in the fixed frame and a second state that the top end of the rotating frame leaves the fixed frame to enable the rotating frame and the fixed frame to form a preset angle;
the window protection device also comprises a rope, a protective net and a winding mechanism; the winding mechanism is positioned in the bottom frame; the number of the ropes is two, the two ropes respectively movably penetrate through the two rotating frames, the first ends of the ropes extend out from the top ends of the rotating frames and are fixedly connected to the fixed frames or above the fixed frames, and the second ends of the ropes extend out from the bottom ends of the rotating frames and are connected with the winding device; the protection network is connected two between the rope, just the protection network sets up the rope second end with between the rope is middle, the protection network can follow the rope rolling arrives rolling mechanism or edge the rotating turret removes for when being in the first state the protection network rolling arrives on the rolling mechanism, when being in the second state the protection network is two open between the rotating turret.
2. The window guard of claim 1, further comprising a pushing mechanism disposed between the fixed frame and the rotating frame, the pushing mechanism being coupled to the winding mechanism, the pushing mechanism pushing the rotating frame away from the fixed frame when the winding mechanism releases the cable.
3. The window protection device for preventing accidental falling from the building of claim 2, wherein the winding mechanism comprises a rotating shaft, a driving member, sheaves, a first transmission wheel and a bearing, the sheaves are arranged at two ends of the rotating shaft and are used for accommodating the rope; the first driving wheel is arranged on the rotating shaft relative to the sheave and closer to the tail end of the rotating shaft, the pushing mechanism comprises a second driving wheel connected to the fixed frame and a pushing block linked with the second driving wheel, the second driving wheel is connected with the first driving wheel through a first belt, and the pushing block is used for pushing the rotating frame; the bearing is arranged on the rotating shaft relative to the end, close to the rotating shaft, of the first driving wheel, and the underframe further comprises a supporting seat which is connected with the bearing; the driving piece is connected with at least one tail end of the rotating shaft.
4. The window protection device for preventing accidental falling from the building as claimed in claim 3, wherein the pushing block comprises a connecting shaft and a pushing head, the connecting shaft is connected with the second transmission wheel, the pushing head is connected to the end of the connecting shaft, and the pushing head protrudes relative to the connecting shaft along two directions of rotation of the connecting shaft; the rotating frame is provided with a first groove communicated with the base frame, the second driving wheel is located in the first groove when the rotating frame is in a first state, the bottom of the first groove comprises a baffle and a notch located above the baffle, the notch allows the push block to rotate and pass through, when the rope is wound by the winding mechanism and reaches the first state, the push head presses the first surface of the baffle, which is far away from the second driving wheel, and when the winding mechanism starts to loosen the rope from the first state, the push head pushes the second surface of the baffle, which is close to the second driving wheel.
5. The window protector against accidental drop of a building of claim 3, wherein the diameter of the rope is larger than the diameter of the fibers of the protection net; the sheave comprises an inner side plate and an outer side plate, a containing groove for containing a rope is formed between the inner side plate and the outer side plate, the outer side plate is closer to the tail end of the rotating shaft relative to the inner side plate, the supporting seat further comprises a limiting block, the limiting block is arranged around the sheave, a first gap exists between the limiting block and the inner side plate, and the width of the first gap is larger than the fiber diameter of the protective net and smaller than the diameter of the rope; the side face, facing the other rotating frame, of each rotating frame is provided with a side channel for the protective net to pass through, and the width of each side channel is larger than the fiber diameter of the protective net and smaller than the diameter of the rope.
6. The window guard of claim 5, wherein the predetermined angle is greater than or equal to 30 ° and less than 45 °, the side channel extends through the bottom end of the turret and the side channel does not extend through the top end of the turret;
the rope protection device comprises a rotating frame, a rope, a first roller assembly, a second roller assembly and a second roller assembly, wherein the bottom end of the rotating frame is provided with the first roller assembly, the top end of the rotating frame is provided with the second roller assembly, the first roller assembly and the second roller assembly respectively comprise two rollers which are in contact with the rope from two sides, the middles of the rollers are concave inwards to form a rope accommodating cavity, a second gap exists between the edges of the two rollers, and the width of the second gap is larger than the fiber diameter of the protection net and smaller than the diameter of the rope;
the top end of the bottom frame comprises an arc-shaped supporting block with an upward opening, and the opening is communicated with the rotating shaft; an arc-shaped cover plate is connected between the two rotating frames and can move around the arc-shaped supporting block, a bottom channel communicated with the side channel is arranged on the arc-shaped cover plate, and when the arc-shaped cover plate rotates, the bottom channel is communicated with the opening all the time.
7. The window protector against accidental falling from the building of any one of claims 1 to 6, wherein an arc-shaped slot is provided on the bottom frame, and a stopper is formed at the edge of the arc-shaped slot; the rotating frame bottom includes the arc shell, arc shell edge is equipped with the lug, the arc shell outside with the arc wall is rotationally cooperated, when being in the second state the lug with the dog contact.
8. The window protection device of any one of claims 1 to 6, further comprising a side guard bar, wherein the side guard bar comprises a plurality of sequentially adjacent longitudinal bars, the adjacent longitudinal bars are connected by a link mechanism, a first longitudinal bar is connected to the fixed frame, and a last longitudinal bar is connected to the rotating frame;
and a second groove for accommodating the longitudinal rod is arranged on the rotating frame.
9. The window protection device for preventing accidental falling from the building of any one of claims 1 to 6, wherein the top end of the rotating frame is provided with an arc-shaped covering plate, the arc-shaped covering plate is connected to the outer wall of the top end of the rotating frame, which is far away from the fixed frame, the arc-shaped covering plate is in an arc shape with the rotating center of the rotating frame as the center and extends in the direction towards the fixed frame; the tail end of the fixed frame is connected with a cover body, when the fixed frame is in a first state, the arc-shaped cover plate extends into the cover body from the end face of the cover body, and the lowest part of the end face of the cover body is lower than the highest part of the arc-shaped cover plate;
an inner concave part allowing the protective net to extend out of the side face of the rotating frame is arranged on the side face plate of the fixing frame facing to the other fixing frame, the side face of the cover body is connected with the end face of the cover body and the inner concave part, and the side face of the cover body inclines or bends towards the bottom frame along the direction from the end face of the cover body to the inner concave part, so that the side face of the cover body covers one side of the top end of the rotating frame.
10. A window guard against accidental falling from the building according to any of claims 1 to 6, further comprising an infrared detector for detecting whether a person is approaching the window in the room and for signalling when a detected person is approaching, and an alarm, said winding mechanism and said alarm operating in response to said signalling.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210170719.4A CN114658342B (en) | 2022-02-23 | 2022-02-23 | Prevent accidental window protector that falls building |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210170719.4A CN114658342B (en) | 2022-02-23 | 2022-02-23 | Prevent accidental window protector that falls building |
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| CN114658342A true CN114658342A (en) | 2022-06-24 |
| CN114658342B CN114658342B (en) | 2022-11-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117147308A (en) * | 2023-08-16 | 2023-12-01 | 江苏恒逸明新材料科技有限公司 | Device and method for detecting strength of concrete prefabricated part |
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| JP2005048481A (en) * | 2003-07-30 | 2005-02-24 | Masayuki Kinoshita | Fall prevention panel storage type sash with opening/closing window |
| CN204457360U (en) * | 2015-02-10 | 2015-07-08 | 长安大学 | The external curtain that a kind of baby of preventing falls |
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| Publication number | Publication date |
|---|---|
| CN114658342B (en) | 2022-11-15 |
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