Fire ladder with window breaking function

Abstract

The fire ladder with the window breaking function comprises a ladder body, a window breaking mechanism is fixed to the top end of the ladder body, the window breaking mechanism comprises a fixing plate, a first swing arm, a second swing arm, a spring and a rotating shaft, the fixing plate is fixedly connected with the ladder body, and the two ends of the rotating shaft are rotationally connected with the fixing plate; the bottom end of the first swing arm and the top end of the second swing arm are fixedly sleeved on the rotating shaft, a window breaking hammer is fixed at the top end of the first swing arm, a rope ring is fixed at the bottom end of the second swing arm, two ends of the spring are fixedly connected with the fixing plate and the first swing arm respectively, and the rotating shaft is parallel to steps of the ladder body. According to the fire ladder with the window breaking function, after the ladder body is placed, the rope can be pulled to drive the second swing arm to swing, the first swing arm is driven to swing after the rotating shaft rotates so as to realize window breaking, and the window breaking can be repeatedly carried out at high frequency under the cooperation of the spring, so that the window breaking is realized in the ladder climbing process, the rescue time is saved, and the rescue is better carried out.

Description

Technical Field

[0001] The present application relates to the technical field of fire ladders, and in particular to a fire ladder with a window breaking function. Background Art

[0002] During firefighting and police operations, in order to quickly enter a room to rescue personnel or conduct training missions, firefighters or police officers often need to quickly scale walls or windows using specialized ladders. This requires personnel to first climb the ladder and then break the window, which significantly reduces rescue time. Utility Model Content

[0003] The purpose of the utility model is to provide a fire ladder with a window breaking function, so as to solve the problems existing in the prior art.

[0004] To achieve the above objectives, the present invention provides the following technical solutions:

[0005] The embodiment of the present application discloses a fire ladder with a window-breaking function, including a ladder body, characterized in that: a window-breaking mechanism is fixed to the top of the ladder body, and the window-breaking mechanism includes a fixed plate, a first swing arm, a second swing arm, a spring and a rotating shaft. The fixed plate is fixedly connected to the steps of the ladder body, and the two ends of the rotating shaft are rotatably connected to the fixed plate. The first swing arm and the second swing arm are respectively arranged on the upper and lower sides of the rotating shaft, and the bottom end of the first swing arm and the top end of the second swing arm are both fixedly sleeved on the rotating shaft. A window-breaking hammer is fixed to the top of the first swing arm, and a rope ring is fixed to the bottom end of the second swing arm. The two ends of the spring are respectively fixedly connected to the fixed plate and the first swing arm, and the rotating shaft is arranged parallel to the steps of the ladder body.

[0006] As a further improvement of the present invention, both ends of the rotating shaft are rotatably connected to the fixed plate through a bearing seat.

[0007] As a further improvement of the present invention, a pair of U-shaped blocks are provided on the side of the fixed plate away from the rotating shaft, the steps of the ladder body are arranged in the U-shaped blocks, and the fixed plate is provided with a through hole for the end of the U-shaped block to pass through. The end of the U-shaped block is provided with a thread, and the end of the U-shaped block is threadedly connected to the nut after passing through the through hole.

[0008] As a further improvement of the present invention, the first swing arm and the second swing arm are arranged at an angle.

[0009] As a further improvement of the present invention, the first swing arm, the second swing arm and the rotating shaft are integrally formed.

[0010] Compared with the prior art, the advantages of the present invention are:

[0011] After the ladder is placed, the rope can be pulled to drive the second swing arm to swing, and after the rotating shaft rotates, the first swing arm is driven to swing to break the window. In addition, with the cooperation of the spring, the window can be broken repeatedly at a high frequency, thereby breaking the window in the process of climbing the ladder, saving rescue time and better carrying out rescue. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments recorded in this application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0013] Figure 1 The figure shows a schematic structural diagram of a fire ladder with a window breaking function in a specific embodiment of the present invention;

[0014] Figure 2 Shown is a structural schematic diagram of a window breaking mechanism in a specific embodiment of the present utility model. DETAILED DESCRIPTION

[0015] The following is a detailed description of the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0016] See also Figures 1-2 As shown, in one embodiment, it includes a ladder body 1, and a window breaking mechanism 2 is fixed to the top of the ladder body 1. The window breaking mechanism 2 includes a fixed plate 201, a first swing arm 202, a second swing arm 203, a spring 204 and a rotating shaft 205. The fixed plate 201 is fixedly connected to the steps of the ladder body 1, and both ends of the rotating shaft 205 are rotatably connected to the fixed plate 201. The first swing arm 202 and the second swing arm 203 are respectively arranged on the upper and lower sides of the rotating shaft 205. The bottom end of the first swing arm 202 and the top end of the second swing arm 203 are both fixedly sleeved on the rotating shaft 205. A window breaking hammer 3 is fixed to the top of the first swing arm 202, and a rope ring 4 is fixed to the bottom end of the second swing arm 203. The two ends of the spring 204 are respectively fixedly connected to the fixed plate 201 and the first swing arm 202, and the rotating shaft 205 is arranged parallel to the steps of the ladder body 1.

[0017] Furthermore, both ends of the rotating shaft 205 are rotatably connected to the fixed plate 201 through the bearing seats 206 .

[0018] Furthermore, a pair of U-shaped blocks 5 are provided on the side of the fixed plate 201 away from the rotating shaft 205, and the steps of the ladder body 1 are arranged in the U-shaped block 5. A through hole 6 is provided on the fixed plate 201 for the end of the U-shaped block 5 to pass through, and a thread 7 is provided on the end of the U-shaped block 5. After the end of the U-shaped block 5 passes through the through hole 6, it is threadedly connected with the nut 8. The window breaking mechanism and the ladder body can be detachably connected by the cooperation of the U-shaped block and the nut, which is convenient for assembly or replacement of related parts, more convenient and efficient.

[0019] Furthermore, the first swing arm 202 and the second swing arm 203 are arranged at an angle.

[0020] Furthermore, the first swing arm 202 , the second swing arm 203 and the rotating shaft 205 are integrally formed.

[0021] In this technical solution, after the ladder is placed, the second swing arm can be driven by pulling the rope to swing, and after the rotating shaft rotates, the first swing arm is driven to swing to break the window. In addition, with the cooperation of the spring, the window can be broken repeatedly at a high frequency, thereby breaking the window during the process of climbing the ladder, saving rescue time and better carrying out rescue.

[0022] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0023] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the above embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A fire ladder with a window-breaking function, comprising a ladder body, characterized in that: A window-breaking mechanism is fixed to the top of the ladder body, and the window-breaking mechanism includes a fixed plate, a first swing arm, a second swing arm, a spring and a rotating shaft. The fixed plate is fixedly connected to the steps of the ladder body, and both ends of the rotating shaft are rotatably connected to the fixed plate. The first swing arm and the second swing arm are respectively arranged on the upper and lower sides of the rotating shaft, and the bottom end of the first swing arm and the top end of the second swing arm are fixedly sleeved on the rotating shaft. A window-breaking hammer is fixed to the top of the first swing arm, and a rope ring is fixed to the bottom end of the second swing arm. The two ends of the spring are respectively fixedly connected to the fixed plate and the first swing arm, and the rotating shaft is arranged parallel to the steps of the ladder body.

2. The fire escape ladder with window breaking function according to claim 1, characterized in that: The two ends of the rotating shaft are rotatably connected to the fixing plate through a bearing seat.

3. The fire escape ladder with window breaking function according to claim 1, characterized in that: A pair of U-shaped blocks are provided on the side of the fixed plate away from the rotating shaft, the steps of the ladder body are arranged in the U-shaped blocks, the fixed plate is provided with a through hole for the end of the U-shaped block to pass through, the end of the U-shaped block is provided with a thread, and the end of the U-shaped block is threadedly connected to the nut after passing through the through hole.

4. The fire escape ladder with window breaking function according to claim 1, characterized in that: The first swing arm and the second swing arm are arranged at an angle.

5. The fire escape ladder with window breaking function according to claim 1, characterized in that: The first swing arm, the second swing arm and the rotating shaft are integrally formed.

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