CN103643889A - Window escape ladder - Google Patents

Abstract

The invention provides a window escape ladder, which comprises a base, a top plate, a drive motor and a fire ladder body hinged on the edge of the base. The base and the top plate are respectively fixed on the window sill and the top of the window. The telescopic handrail, the telescopic ladder includes two struts arranged in parallel and with the same structure, the struts are formed by at least two first sleeves, and the ends of the adjacent first sleeves of the two struts are connected with a first The connecting rod and the telescopic armrest are formed by at least two second sleeves, the number of the first sleeve and the second sleeve is the same, and the end of the first sleeve and the end of the adjacent second sleeve A second connecting rod is connected between them, the driving motor is fixed on the top plate, and the output shaft of the driving motor is provided with a reel, and a cable is wound on the reel, and the cable is connected to the end of the fire ladder body. The window escape ladder of the present invention has a simple structure, a small occupied area, and is convenient and quick to be erected and folded.

Description

window escape ladder

technical field

The invention relates to a fire ladder, in particular to a window escape ladder.

Background technique

Traditional consumer ladders are placed on the ground and take up a lot of space when stored. When danger occurs, it is not easy to erect, and it is difficult for trapped people to evacuate and escape.

Contents of the invention

【1】Technical problems to be solved

The technical problem to be solved by the present invention is to provide a window escape ladder that does not occupy space and is convenient and quick to erect.

【2】Technical solution to solve the problem

The invention provides a window escape ladder, comprising a base 1, a top plate 4, a drive motor 2 and a fire ladder body 3 hinged on the edge of the base 1, the base 1 and the top plate 4 are respectively fixed on the window sill and the top of the window, so The fire ladder body 3 includes a telescopic ladder and telescopic handrails positioned at both sides of the telescopic ladder. The telescopic ladder includes two poles 31 that are arranged in parallel and have the same structure. The poles 31 are covered by at least two first casings. The diameters of the first casings are successively reduced from bottom to top, and a first connecting rod 32 is connected between the ends of adjacent first casings of the two poles 31, and the telescopic handrail is composed of At least two second bushings are socketed, the number of the first bushing and the second bushing are the same, the diameter of the second bushing decreases successively from bottom to top, and the diameter of the first bushing A second connecting rod 34 is connected between the end portion and the end portion of the adjacent second sleeve pipe, the drive motor is fixed on the top plate 4, the output shaft of the drive motor is provided with a reel, the A cable is wound on the reel, and the cable is connected to the end of the fire ladder body 3 .

Further, the cables are connected to the ends of the two poles.

Further, the upper end of the fire ladder body 3 is provided with buckles, and the top plate 4 is provided with a slot corresponding to the buckles.

Further, an alarm is also included, and the alarm is connected in parallel with the drive motor.

Further, the driving motor is fixed on the upper surface of the top plate, and the upper surface of the top plate is provided with a protective cover for protecting the driving motor.

Further, a tripod is provided between the lower end of the base 1 and the wall.

Further, the strut 31 has the same structure as the telescopic handrail.

【3】Beneficial effects

The window escape ladder of the present invention can be used as an ordinary anti-theft window when not in use. When danger occurs, loosen the buckle on the top, turn on the drive motor, and push it slightly outward to realize the rapid erection of the fire ladder, and It is equipped with an alarm and has an alarm function; after evacuation or escape, the fire ladder can be automatically retracted by driving the motor; the window escape ladder of the present invention has a simple structure, a small footprint, and is convenient and quick to erect and retract.

Description of drawings

Fig. 1 is the structural diagram of window escape ladder of the present invention;

Fig. 2 is the structural diagram when the window escape ladder of the present invention is folded;

Fig. 3 is the structural diagram when the window escape ladder of the present invention works;

Fig. 4 is a side view of the window escape ladder in operation of the present invention.

Detailed ways

Embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

Referring to Fig. 1 to Fig. 4, the present invention provides a window escape ladder, comprising a base 1, a top plate 4, a drive motor 2 and a fire ladder body 3 hinged on the edge of the base 1, the base 1 and the top plate 4 are respectively fixed on the window sill and the top of the window, the fire ladder body 3 includes a telescopic ladder and telescopic handrails 33 positioned at both sides of the telescopic ladder. Different numbers have different telescopic lengths, and the diameters of (adjacent) first casing pipes decrease sequentially from bottom to top, and a first The connecting rod 32, that is, the first section of the two struts is connected by the first connecting rod, the second section of the two struts is connected by the first connecting rod, and so on, and the telescopic armrest is formed by at least two second bushings , and the number of the first sleeve and the second sleeve is the same, the diameter of the (adjacent) second sleeve decreases from bottom to top, and the end of the first sleeve and the adjacent second sleeve A second connecting rod 34 is connected between the ends of the fire ladder, the drive motor is fixed on the top plate 4, and the output shaft of the drive motor is provided with a reel, which is wound with a cable, and the cable is connected to the end of the fire ladder body 3 ; Preferably, the cables are connected to the ends of the two poles; in order to facilitate fixing, a buckle is provided on the upper end of the fire ladder body 3, and the top plate 4 is provided with a slot corresponding to the buckle; Including an alarm, the alarm is connected in parallel with the driving motor, when the driving motor releases the cable, the alarm alarms, when the driving motor receives the cable, the alarm does not work, so that it has an alarm function; and the driving motor is fixed on the upper surface of the top plate, The upper surface of the top plate is provided with a protective cover for protecting the drive motor; in order to improve the structural strength, a triangular bracket is provided between the lower end of the base 1 and the wall; the structure of the pole 31 in the present embodiment is the same as that of the telescopic handrail.

The window escape ladder of the present invention can be used as an ordinary anti-theft window when not in use. When danger occurs, loosen the buckle on the top, turn on the drive motor, and push it slightly outward to realize the rapid erection of the fire ladder, and It is equipped with an alarm and has an alarm function; after evacuation or escape, the fire ladder can be automatically retracted by driving the motor; the window escape ladder of the present invention has a simple structure, a small footprint, and is convenient and quick to erect and retract.

Claims (7)

1. A window escape ladder is characterized in that: comprise base, top plate, driving motor and the fire ladder body hinged on the edge of said base, said base and top plate are fixed on window sill and window top respectively, said fire ladder body It includes a telescopic ladder and telescopic handrails located on both sides of the telescopic ladder. The telescopic ladder includes two struts arranged in parallel and with the same structure. The struts are formed by at least two first sleeves. The diameter of the casing decreases successively from bottom to top, a first connecting rod is connected between the ends of the adjacent first casings of the two poles, and the telescopic armrest is socketed by at least two second casings The number of the first sleeve and the second sleeve is the same, the diameter of the second sleeve decreases from bottom to top, and the end of the first sleeve and the adjacent second sleeve A second connecting rod is connected between the ends of the pipe, the drive motor is fixed on the top plate, a reel is arranged on the output shaft of the drive motor, and a cable is wound on the reel, and the cable is connected to the At the end of the fire ladder body. 2. The window escape ladder according to claim 1, characterized in that: the cable is connected to the ends of the two poles. 3. The window escape ladder according to claim 1, characterized in that: the upper end of the fire ladder body is provided with buckles, and the top plate is provided with a slot corresponding to the buckles. 4. The window escape ladder according to claim 1, further comprising an alarm, and the alarm is connected in parallel with the driving motor. 5. The window escape ladder according to claim 1, wherein the driving motor is fixed on the upper surface of the top plate, and the upper surface of the top plate is provided with a protective cover for protecting the driving motor. 6. The window escape ladder according to claim 1, wherein a triangular bracket is provided between the lower end of the base and the wall. 7. The window escape ladder according to claim 1, characterized in that: the structure of the strut is the same as that of the telescopic handrail.

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