CN110682772B

CN110682772B - Bus window structure convenient for underwater escape

Info

Publication number: CN110682772B
Application number: CN201910934108.0A
Authority: CN
Inventors: 曹金亮; 税长江
Original assignee: Zhejiang Ocean University ZJOU
Current assignee: Zhejiang Ocean University ZJOU
Priority date: 2019-09-29
Filing date: 2019-09-29
Publication date: 2023-05-12
Anticipated expiration: 2039-09-29
Also published as: CN110682772A

Abstract

The invention discloses a bus window structure convenient for escape, which belongs to the field of escape devices, and comprises a bus window and a bus window groove, wherein a safety air cushion which can be broken when being subjected to high pressure is arranged between the inner side surface of the bus window and the bus window groove; when the bus just falls into water, the inside water that can not be full of immediately of automobile body, the automobile body outside has great water pressure this moment, and after the door window received water pressure, with the frictional force increase between the door window groove, the door window is hardly opened to the people in the automobile body, the safety air cushion can be crowded broken after receiving water pressure, leads to the clearance increase between door window and the door window groove, makes the door window open more easily, has solved prior art, and the bus falls into water after, the door window is difficult to open, improves the problem of the passenger in the car difficulty of fleing.

Description

Bus window structure convenient for underwater escape

Technical Field

The invention relates to an escape device, in particular to a bus window structure facilitating underwater escape.

Background

The bus is a traffic tool commonly used when people go out, however, because of the road and driving problems, the event that the bus falls into water happens sometimes, after the bus falls into water, because of the larger water pressure existing outside the bus, the friction between the window and the window groove is increased, so that the window is difficult to open, and the escape difficulty of passengers is greatly increased.

For example, the publication number CN201410768024.1 of the "a bus window structure" disclosed in the chinese patent literature includes a window glass, which has the disadvantage that when the bus falls into water, the window is difficult to open due to the difference of internal and external water pressure, and the difficulty of escape of passengers is increased.

Disclosure of Invention

The invention aims to solve the problem that in the prior art, due to water pressure after a bus falls into water, a vehicle window is difficult to open, and provides a bus window structure convenient for underwater escape.

In order to achieve the above purpose, the present invention adopts the following technical scheme:

the invention relates to a bus window structure convenient for underwater escape, which comprises a bus window and a bus window groove, wherein a safety air cushion which can be broken by extrusion when being subjected to high pressure is arranged between the inner side surface of the bus window and the bus window groove; when the bus just falls into water, the inside water that can not be full of automobile body immediately, the outside great water pressure that exists of automobile body this moment, the door window receive behind the water pressure, with the frictional force increase between the door window groove, the door window is hardly opened to the people in the automobile body, the safety air cushion can be crowded broken after receiving the water pressure, leads to the clearance increase between door window and the door window groove, makes the door window open more easily.

Preferably, the window groove is provided with a ball which can be contacted with the window after the safety air cushion is crushed; when the safety airbag is squeezed and broken by water pressure, the vehicle window is pressed onto the ball, and when the vehicle window is opened, the friction force applied to the vehicle window is changed from sliding friction to rolling friction, so that the vehicle window is more labor-saving when being opened.

Preferably, an inner cavity for accommodating the opened vehicle window is arranged on the lower side of the vehicle window; the distance from a bus window to the chassis is larger than the distance from the bus window to the roof, and the bus window is more suitable for being provided with the inner cavity, if the inner cavity is arranged on the left side and the right side of the bus window, when the bus window is opened, the escape space on the left side and the right side is occupied, so that the inner cavity on the lower side of the bus window can increase the escape space of passengers to the greatest extent.

Preferably, the outer side surface of the vehicle window is provided with a pressure receiving surface which faces the normal direction outside the vehicle and is inclined upwards; when the bus falls into water, the bus is subjected to pressure perpendicular to the window surface, and the pressure applied by the pressure-applied surface is obliquely upward in the outward normal direction, so that the window can receive a downward component force, the window can be automatically opened when receiving water pressure, and the escape time of passengers in the bus body is saved.

Preferably, a connecting channel communicated with the outer side of the vehicle body is arranged at the bottom of the inner cavity; in the normal running process of the bus, if rain water possibly enters the inner cavity, the window can bring the rain water into the bus in the opening and closing process, cleaning in the bus is damaged, the connecting channel can discharge the rain water entering the inner cavity to the outside of the bus body, and dust in the inner cavity can be taken away in the process of entering the inner cavity and discharging from the connecting channel, so that dust accumulation is prevented, and the normal opening and closing of the window are influenced; in addition, when the vehicle window is normally opened and closed, the connecting channel can prevent the inner cavity from forming air pressure difference with the outside, so that the vehicle window is not smoothly opened and closed.

Preferably, a rubber pad is arranged between the outer side surface of the vehicle window and the vehicle window groove; the friction coefficient between the rubber pad and the car window is larger, when the car window is opened and closed, the car window can be stopped at any height, stepless opening and closing of the car window are realized, when the bus falls into water, the car window is extruded to break the safety air cushion, the gap between the car window and the car window groove is increased, the car window is not blocked by the rubber pad, and the rubber pad also has the function of preventing rainwater and dust from entering the car body.

Preferably, the handle for conveniently opening and closing the window is arranged on the window, so that the window is more convenient and labor-saving in opening and closing.

Therefore, the invention has the following beneficial effects: (1) When the bus falls into water, the window can be opened quickly and laborsaving, so that the escape time of passengers in the bus body is reduced; (2) The vehicle window can realize stepless opening and closing, and the opening and the closing are smooth.

Drawings

Fig. 1 is a left side cross-sectional view of the present invention.

Fig. 2 is a top cross-sectional view of the present invention.

In the figure: 1. the automobile window 11, the pressure bearing surface 2, the automobile window groove 3, the safety air cushion 4, the ball 5, the inner cavity 6, the connecting channel 7, the rubber pad 8 and the handle.

Detailed Description

The invention is further described below with reference to the drawings and detailed description.

1-2, the safety airbag comprises a vehicle window 1 and a vehicle window groove 2, and is characterized in that a safety air cushion 3 which can be broken when being subjected to high pressure is arranged between the inner side surface of the vehicle window and the vehicle window groove, the vehicle window groove is positioned at the left side and the right side of the vehicle window, the cross section of the vehicle window groove is U-shaped, and the safety air bags are a plurality of small air bags adhered to the vehicle window groove; the vehicle window groove is provided with a ball 4 which can be contacted with a vehicle window after the safety air cushion is crushed, one surface of the vehicle window groove contacted with the safety air cushion is provided with a ball groove, the ball groove is internally provided with a ball which can roll in the groove, and one part of the ball is exposed out of the groove; the lower side of the vehicle window is provided with an inner cavity 5 for accommodating the opened vehicle window, and the inner cavity is a part of a bus shell; the automobile window is characterized in that a pressure receiving surface 11 which faces the outside of the automobile in a normal direction is arranged on the outer side surface of the automobile window, the angle between the pressure receiving surface and the vertical direction is 10 degrees, a connecting channel 6 communicated with the outside of the automobile body is arranged at the bottom of the inner cavity, the upper end of the connecting channel is connected with the bottom of the inner cavity, and the lower end of the connecting channel is connected with the outside of the automobile body; a rubber pad 7 is arranged between the outer side surface of the car window and the car window groove, and the rubber pad is adhered to the car window groove; the automobile window is provided with a handle which is convenient for opening and closing the automobile window, and the handle is provided with an upward opening, fingers extend into the opening, and the automobile window can be pulled down.

When the bus just falls into water, water cannot fill the inside of the bus body immediately, at the moment, the water pressure outside the bus body is high, the pressure receiving surface on the vehicle window receives pressure from the water, the direction of the pressure is perpendicular to the pressure receiving surface, and the pressure can be decomposed into a component force perpendicular to the bus shell and a component force downward relative to the bus due to the inclination of the pressure receiving surface, and the component force perpendicular to the bus shell is transmitted to the safety air cushion through the vehicle window, so that the safety air cushion is crushed, the vehicle window is pressed onto the ball after the safety air cushion is crushed, and the friction force received by the vehicle window is changed from sliding friction to rolling friction, so that the friction force is greatly reduced; after the friction force is reduced, the downward component force relative to the bus can push the vehicle window into the inner cavity.

When the bus normally runs, rainwater falls into the inner cavity in rainy days, and the connecting channel can drain the rainwater in the inner cavity out of the bus body and take away dust in the inner cavity; when the car window moves up and down to switch, the connecting channel can guide or remove outside air into or from the inner cavity, so that the air pressure difference between the inner cavity and the outside is prevented from being generated, and the car window is prevented from being switched on or off smoothly.

Claims

1. The utility model provides a bus window structure convenient to escape under water, includes door window (1), door window groove (2), its characterized in that, install between door window (1) medial surface and door window groove (2) can be by the broken safety air cushion (3) of extrusion when receiving high pressure, door window groove (2) are located the left and right sides of door window (1), safety air cushion (3) are a plurality of gluey little gasbag on door window groove (2); the vehicle window groove (2) is provided with a ball (4) which is contacted with the vehicle window (1) after the safety air cushion (3) is crushed, one surface of the vehicle window groove (2) contacted with the safety air cushion (3) is provided with a ball groove, the ball groove is internally provided with the ball (4) rolling in the groove, and a part of the ball (4) is exposed out of the groove; an inner cavity for accommodating the opened vehicle window (1) is formed in the lower side of the vehicle window (1); the outer side surface of the car window (1) is provided with a pressure receiving surface (11) which faces the normal direction outside the car and is inclined upwards; when a bus just falls into water, water cannot fill the inside of the bus body immediately, the water pressure outside the bus body is high, a pressure receiving surface on the vehicle window (1) receives pressure from the water, the direction of the pressure receiving surface is perpendicular to the pressure receiving surface (11), the pressure is decomposed into a component perpendicular to a bus shell and a component downward relative to the bus due to the inclination of the pressure receiving surface (11), the component perpendicular to the bus shell is transferred to the safety air cushion (3) through the vehicle window (1), so that the safety air cushion (3) is crushed, the vehicle window (1) is pressed onto a ball after the safety air cushion (3) is crushed, and friction force received by the vehicle window (1) is changed from sliding friction to rolling friction, so that the friction force is reduced; after the friction force is reduced, the downward component force relative to the bus pushes the vehicle window (1) into the inner cavity.

2. The bus window structure facilitating underwater escape as claimed in claim 1, wherein a connecting channel (6) communicated with the outer side of the bus body is arranged at the bottom of the inner cavity.

3. The bus window structure convenient for underwater escape as claimed in claim 1, wherein a rubber pad (7) is arranged between the outer side surface of the bus window and the bus window groove.

4. The bus window structure facilitating underwater escape as set forth in claim 1, wherein a handle (8) for opening and closing the bus window is arranged on the bus window.