Emergency escape device for school bus

Abstract

The utility model relates to the technical field of school bus emergency escape, and discloses a school bus emergency escape device which comprises a transom window base and a transom window body, the transom window body is hinged to the top of the transom window base, and the surface of the transom window base and the surface of the transom window body are provided with an opening and closing assembly and a mistaken touch prevention assembly; the opening and closing assembly comprises a fixing cylinder used for stabilizing the sliding rod; the sliding rod is used for being matched with the fixing cylinder to jack up the transom window body; according to the emergency escape device for the school bus, through the arranged opening and closing assembly, when an accident occurs and people in the bus need to escape, a pull rod is pulled, clamping plates are separated from clamping grooves, through a circular ring, a through hole and a short rod, all the clamping plates synchronously move in the radial direction and are separated from the clamping grooves, and the clamping plates relieve limiting of fixing columns; the first spring is released, the sliding rod extends out, the transom window body is jacked up, then the transom window body can be rapidly opened, the escape speed is increased, and people in the vehicle can escape in emergency conveniently.

Description

TECHNICAL FIELD

[0001] The utility model relates to school bus emergency escape technical field, concretely is a school bus emergency escape device. BACKGROUND

[0002] In recent years, school bus safety accidents occur frequently, and school buses often appear group death and group injury phenomenon in major traffic accidents. The main carriers of school buses are children of the right age in kindergartens and primary schools, who are in the stage of immature intellectual and physical development, and have the characteristics of weak self-rescue consciousness and insufficient escape ability in emergency situations. They are the main victim group of accidents and disasters. In addition to the school bus driver, there is usually only 1-2 teachers in the school bus. In the case of injury in an accident, the school bus driver and the teacher cannot assist all children in the vehicle to escape quickly and safely at the same time. Therefore, in an emergency, the self-rescue of children in the vehicle is an important escape way to improve escape efficiency and reduce casualties.

[0003] According to a school bus safety roof window escape mechanism (announcement number: CN212555781U) disclosed, in the above-mentioned application, by rotating the handle, the cam drives the push rod to overcome the sealing force of the safety roof window, so that the safety roof window is opened outward, avoiding the situation that after the children unlock the safety roof window, the safety roof window cannot be pushed open due to the excessive sealing force, hindering the self-rescue in an emergency.

[0004] However, in the above-mentioned application, the handle needs to be continuously rotated to completely open the roof window. In the case of fire, collision and other emergencies, the escape speed is limited, which affects the escape efficiency. For sudden dangers (such as circuit short circuit, explosion, etc.), the existing mechanism lacks a quick trigger mechanism, which may delay the best escape opportunity. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a school bus emergency escape device to solve the problems in the above-mentioned background technology.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a school bus emergency escape device, comprising a roof window base and a roof window body, the roof window body is hinged at the top of the roof window base, the roof window base and the roof window body are provided with an opening and closing assembly and an anti-misoperation assembly on the surface;

[0007] The opening and closing assembly comprises:

[0008] The fixed cylinder is used to stabilize the sliding rod;

[0009] The sliding rod is used to cooperate with the fixed cylinder to lift the roof window body;

[0010] The limiting piece is used to limit the roof window body and the roof window base.

[0011] Preferably, the fixed cylinder is hinged at the bottom of the top window base, the inner wall of the fixed cylinder is slidably connected with a slide rod, the surface of the slide rod is fixed with a spring one, the end of the spring one away from the slide rod is fixed on the inner wall of the fixed cylinder, the opening and closing assembly further comprises a limiting piece, when the fixed column is released from the limiting, the elastic potential energy stored in the spring one is released, the slide rod is lifted, the top window body is opened, and the top window body can be quickly opened.

[0012] Preferably, the limiting piece comprises a fixed column, the fixed column is fixed at the bottom of the top window body, the surface of the fixed column is provided with a clamping groove, the inside of the top window base is provided with a cavity, the inner wall of the cavity is rotatably connected with a ring, the surface of the ring is provided with a through hole, the inner wall of the through hole is abutted with a short rod, the end of the short rod away from the through hole is fixed with a clamping plate, the end of the clamping plate away from the short rod is fixed on the inner wall of the cavity, the clamping plate is provided with three groups, and the three groups of clamping plates are circumferentially arranged with the center of the cavity as the axis, the surface of one of the three groups of clamping plates is fixed with a pull rod, and the end of the pull rod away from the clamping plate penetrates through the top window base, when an accident occurs, the pull rod is pulled, the short rod, the ring and the through hole are passed through, the clamping plates are separated from the clamping groove, the limiting of the fixed column is released, and the top window body can be quickly opened.

[0013] Preferably, the anti-mis-touch assembly comprises a groove, the groove is formed in the surface of the pull rod, the bottom of the top window base is fixed with a fixed frame, the inner wall of the fixed frame is slidably connected with an L-shaped rod, the surface of the L-shaped rod is fixed with a spring three, the end of the spring three away from the L-shaped rod is fixed on the inner wall of the fixed frame, and the end of the L-shaped rod away from the spring three penetrates through the fixed frame; without opening the top window body, the L-shaped rod enters the groove and limits the pull rod, so that the pull rod is prevented from being touched by the outside, and the top window body is prevented from being opened accidentally.

[0014] Preferably, the through hole is in an arc shape, and when the ring rotates, the short rod and the clamping plate can be radially moved synchronously, so that the limiting of the fixed column is released or the limiting is released.

[0015] Preferably, the side, close to the fixed cylinder, of the top window base is provided with a notch, and the fixed cylinder is turned over into the notch along with the slide rod, so that the opening of the top window is not affected.

[0016] Compared with the prior art, the emergency escape device for school bus has the following advantages

[0017] Beneficial effects:

[0018] 1. The school bus emergency escape device, through the setting of the opening and closing assembly, when an accident occurs and the personnel in the vehicle need to escape, pull the pull rod, the clamping plate is separated from the clamping groove, through the ring, the through hole, the short rod, the radial movement of each clamping plate is synchronized, the clamping plate is separated from the clamping groove, the clamping plate releases the limiting of the fixed column, the spring one releases, the slide rod extends, the top window body is lifted, the top window body can be quickly opened, the escape rate is improved, and the personnel in the vehicle can escape in an emergency.

[0019] 2. The school bus emergency escape device, through the setting of the anti-misoperation assembly, when the top window body does not need to be opened, the L-shaped rod enters the groove, the pull rod is limited, misoperation of the pull rod is avoided, and the top window body is prevented from being accidentally opened. DETAILED DESCRIPTION

[0020] Figure 1 It is a front view structural schematic diagram of the utility model;

[0021] Figure 2 It is a bottom view structural schematic diagram of the utility model;

[0022] Figure 3 It is a bottom view internal structural schematic diagram of the utility model;

[0023] Figure 4 It is a part of the utility model explosion structural schematic diagram;

[0024] Figure 5 It is a front view structural schematic diagram of the utility model limiting piece;

[0025] Figure 6 It is a limiting piece, anti-misoperation assembly explosion structural schematic diagram of the utility model;

[0026] Figure 7 It is a part of the utility model opening and closing assembly sectional view structural schematic diagram.

[0027] In the drawing: 1, top window base; 2, top window body; 3, opening and closing assembly; 30, fixed cylinder; 31, slide rod; 32, spring one; 33, limiting piece; 330, fixed column; 331, clamping groove; 332, cavity; 333, ring; 334, through hole; 335, short rod; 336, clamping plate; 337, spring two; 338, pull rod; 4, anti-misoperation assembly; 40, groove; 41, fixed frame; 42, L-shaped rod; 43, spring three. DETAILED DESCRIPTION

[0028] As Figures 1-7The utility model provides a school bus emergency escape device, including roof window base 1 and roof window body 2, roof window body 2 is hinged in the top of roof window base 1, and roof window base 1 is provided with opening and closing subassembly 3 and anti mistaken touch subassembly 4 with roof window body 2 surface, opening and closing subassembly 3 includes: fixed cylinder 30, sliding rod 31, spring one 32, limiting piece 33, fixed column 330, clamping groove 331, cavity 332, circular ring 333, through -hole 334, short pole 335, clamping plate 336, spring two 337, pull rod 338.

[0029] Fixed cylinder 30 is hinged in the bottom of roof window base 1, and the inner wall of fixed cylinder 30 is slidably connected with sliding rod 31, the surface of sliding rod 31 is fixed with spring one 32, one end of spring one 32 away from sliding rod 31 is fixed on the inner wall of fixed cylinder 30, opening and closing subassembly 3 still includes limiting piece 33, and limiting piece 33 includes fixed column 330, and fixed column 330 is fixed in the bottom of roof window body 2, and the surface of fixed column 330 is provided with clamping groove 331, and the inside of roof window base 1 is provided with cavity 332, and the inner wall of cavity 332 is rotatably connected with circular ring 333, and the surface of circular ring 333 is provided with through -hole 334, and the inner wall of through -hole 334 is in contact with short pole 335, and one end of short pole 335 away from through -hole 334 is fixed with clamping plate 336, and one end of clamping plate 336 away from short pole 335 is fixed on the inner wall of cavity 332, and clamping plate 336 is provided with three groups, and the three groups of clamping plate 336 are all circumferential array with the center of cavity 332 as the axis, and the surface of one group of three groups of clamping plate 336 is fixed with pull rod 338, and one end of pull rod 338 away from clamping plate 336 penetrates roof window base 1, and through -hole 334 is provided as arc, and pull rod 338 is pulled, and clamping plate 336 is separated from clamping groove 331, and clamping plate 336 removes the location of fixed column 330, and spring one 32 releases, and sliding rod 31 extends, and roof window body 2 is jacked up, and roof window body 2 can be quickly opened, and the escape rate is improved, and it is convenient for the personnel in the vehicle to escape in emergency.

[0030] Anti mistaken touch subassembly 4 includes recess 40, and recess 40 is arranged on the surface of pull rod 338, and fixed frame 41 is fixed on the bottom of roof window base 1, and the inner wall of fixed frame 41 is slidably connected with L-shaped rod 42, and the surface of L-shaped rod 42 is fixed with spring three 43, and one end of spring three 43 away from L-shaped rod 42 is fixed on the inner wall of fixed frame 41, and one end of L-shaped rod 42 away from spring three 43 penetrates fixed frame 41, and spring three 43 releases when L-shaped rod 42 is loosened, and drives L-shaped rod 42 to enter recess 40, and the location of pull rod 338 is limited, and it can avoid that the personnel mistakenly touch pull rod 338, and roof window body 2 is opened accidentally.

[0031] The side of roof window base 1 near fixed cylinder 30 is provided with a notch, and fixed cylinder 30 enters the notch when sliding rod 31 opens roof window body 2, and it will not affect the normal opening of roof window body 2.

[0032] In use, the top window base 1 is installed on the top of the school bus, when the top window body 2 needs to be opened in case of accident, the L-shaped rod 42 is pulled to make the L-shaped rod 42 disengage from the pull rod 338, then the pull rod 338 can be pulled normally, the clamping plate 336 disengages from the clamping groove 331, and the short rod 335 is driven to move synchronously when the clamping plate 336 moves, the surface of the short rod 335 abuts against the inner wall of the through hole 334, the circular ring 333 is driven to rotate in a positive direction, the spring 337 is compressed, the clamping plate 336 is driven to move radially synchronously and disengage from the clamping groove 331, the clamping plate 336 is released from the limiting of the fixed column 330, the spring 32 is released, the sliding rod 31 is driven to extend, the top window body 2 is lifted, the top window body 2 can be quickly opened, the escape rate is improved, and the personnel in the vehicle can escape in emergency, in installation, the pull rod 338 is pulled, the top window body 2 is turned over by an external person, the top window body 2 abuts against the top window base 1, the fixed column 330 is inserted into the top window base 1, then the pull rod 338 is released, the spring 337 is released, the clamping plate 336 is reset, the short rod 335 and the circular ring 333 are used to drive the clamping plate 336 to move radially synchronously and enter the clamping groove 331, the fixed column 330 and the top window body 2 are limited, the L-shaped rod 42 is released, the spring 43 is released, the L-shaped rod 42 enters the recess 40, and the pull rod 338 is limited, the pull rod 338 can be prevented from being touched by mistake, and the top window body 2 is prevented from being opened accidentally.

[0033] The above is a detailed description of the utility model, but some modifications or improvements can be made on the basis of the utility model, which is obvious to those skilled in the art. Therefore, the modifications or improvements without departing from the spirit of the utility model are within the protection scope of the utility model.

Claims

1. A school bus emergency escape device comprising a roof window base (1) and a roof window body (2), characterized in that: The top window body (2) is hinged at the top of the top window base (1), and the top window body (2) and the top window base (1) are provided with an opening and closing assembly (3) and a mistaken touch prevention assembly (4); The opening and closing assembly (3) comprises: A fixing cylinder (30) is used to stabilize the sliding rod (31); The sliding rod (31) is used to cooperate with the fixing cylinder (30) to lift the top window body (2); The limiting piece (33) is used to limit the top window body (2) and the top window base (1) from each other.

2. A school bus emergency escape device according to claim 1 wherein: The fixing cylinder (30) is hinged at the bottom of the top window base (1), the inner wall of the fixing cylinder (30) is slidably connected with the sliding rod (31), the surface of the sliding rod (31) is fixed with a spring (32), the end of the spring (32) away from the sliding rod (31) is fixed on the inner wall of the fixing cylinder (30), and the opening and closing assembly (3) further comprises a limiting piece (33).

3. A school bus emergency escape device according to claim 1 wherein: The limiting piece (33) comprises a fixed column (330), the fixed column (330) is fixed at the bottom of the top window body (2), the surface of the fixed column (330) is provided with a clamping groove (331), the inside of the top window base (1) is provided with a cavity (332), the inner wall of the cavity (332) is rotatably connected with a circular ring (333), the surface of the circular ring (333) is provided with a through hole (334), the inner wall of the through hole (334) is abutted with a short rod (335), the end of the short rod (335) away from the through hole (334) is fixed with a clamping plate (336), the end of the clamping plate (336) away from the short rod (335) is fixed on the inner wall of the cavity (332), the clamping plate (336) is provided with three groups, and the three groups of clamping plates (336) are circumferentially arranged with the center of the cavity (332) as an axis, the surface of one of the three groups of clamping plates (336) is fixed with a pull rod (338), and the end of the pull rod (338) away from the clamping plate (336) penetrates the top window base (1).

4. A school bus emergency escape device according to claim 3 wherein: The mistaken touch prevention assembly (4) comprises a groove (40), the groove (40) is arranged on the surface of the pull rod (338), the bottom of the top window base (1) is fixed with a fixed frame (41), the inner wall of the fixed frame (41) is slidably connected with an L-shaped rod (42), the surface of the L-shaped rod (42) is fixed with a spring (43), the end of the spring (43) away from the L-shaped rod (42) is fixed on the inner wall of the fixed frame (41), and the end of the L-shaped rod (42) away from the spring (43) penetrates the fixed frame (41).

5. A school bus emergency escape device according to claim 3 wherein: The through hole (334) is arc-shaped.

6. A school bus emergency escape device according to claim 1 wherein: The top window base (1) is provided with a notch near the side of the fixing cylinder (30).

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