CN216580501U

CN216580501U - Turning pedal mechanism of downward turning type emergency evacuation door with window and emergency evacuation door

Info

Publication number: CN216580501U
Application number: CN202122069438.3U
Authority: CN
Inventors: 罗为; 张莹; 刘佼龙; 姜宇飞; 杨冠男; 张孟林; 彭丽军
Original assignee: Zhuzhou Jiufang Equipment Driving Technology Co ltd; ZHUZHOU GOFRONT EQUIPMENT CO LTD
Current assignee: Zhuzhou Jiufang Equipment Driving Technology Co ltd; ZHUZHOU GOFRONT EQUIPMENT CO LTD
Priority date: 2021-08-30
Filing date: 2021-08-30
Publication date: 2022-05-24
Anticipated expiration: 2031-08-30

Abstract

The utility model discloses a turning pedal mechanism of a downward turning type emergency evacuation door with a window and the emergency evacuation door, comprising a turning pedal mechanism, a decorative cover plate mechanism and a transition pedal mechanism, wherein the turning pedal mechanism is arranged on a door leaf main body, the decorative cover plate mechanism is arranged on the door leaf main body and is connected with the turning pedal mechanism, and the transition pedal mechanism is connected with a vehicle body and the door leaf main body. When the door leaf main body is unfolded, the overturning pedal mechanism can automatically cover the window area of the door leaf main body to form a smooth evacuation channel, so that the problem of the vacant window frame position pedal in the unfolding process of the downward-turning type evacuation door with the window is solved, and the safety and the evacuation efficiency of emergency evacuation personnel are improved.

Description

Turning pedal mechanism of downward turning type emergency evacuation door with window and emergency evacuation door

Technical Field

The utility model relates to the technical field of downward-turning emergency evacuation doors of urban rail vehicles, in particular to a downward-turning emergency evacuation door with a window and a turning pedal mechanism of the downward-turning emergency evacuation door.

Background

At present, urban rail vehicles mostly adopt downward-turning emergency evacuation doors, evacuation channels are formed between door leaves and rail surfaces after the door leaves are unfolded downwards, some door leaves are provided with viewing windows, the windows on the door leaves need to bear continuous treading of evacuation people when the door leaves are turned downwards to form the channels, the windows are easy to break to bring safety problems, the gaps of the evacuation channels at the window positions need to be filled, and the safety of the channels is improved. In a CN201810993424.0 ramp type emergency evacuation door, a door leaf is disclosed to be turned out downwards to a rail surface, a transition pedal component is unfolded through a connecting rod hinge mechanism and is overlapped on a door leaf channel to form a longer evacuation channel, the gap of a window frame position pedal in the unfolding process of the window-mounted downward-turning type evacuation door is not filled, the safety problem which cannot be ignored exists, and therefore a safe and reliable overturning pedal mechanism needs to be arranged to ensure the safety of the evacuation channel.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of the prior downward-turning type evacuation door with a window, and provides a turning pedal mechanism of the downward-turning type emergency evacuation door with the window and the emergency evacuation door, aiming at the defect of a vacant pedal at the position of a window frame in the unfolding process of the downward-turning type evacuation door with the window.

The purpose of the utility model is realized by the following technical scheme:

a turnover pedal mechanism of a downward-turning type emergency evacuation door with a window comprises a turnover pedal mechanism for covering a window area. When the door leaf main body is unfolded, the overturning pedal mechanism automatically covers the window area and is connected with the car body framework to form a complete evacuation channel.

The turnover pedal mechanism comprises a turnover plate mounting seat arranged on the lower edge of a door leaf window frame, a turnover pedal which is hinged with the turnover plate mounting seat and can be embedded into a window, an L-shaped turnover plate push rod hinged on the side edge of the turnover pedal, and a damping air spring for connecting the turnover plate push rod and the door leaf. When the emergency evacuation door system is unfolded, the front-section thrust stroke of the damping air spring can apply overturning power to the overturning pedal to enable the overturning pedal to cross the balance position. At the moment, the turnover plate push rod rotates around the push rod rotating shaft on the turnover plate push rod seat, the turnover plate push rod rotates from one end of the limiting shaft to the other end of the limiting shaft and is limited, and the turnover pedal is in an undamped state in the conversion process and can be freely turned over under the action of gravity. When the overturning pedal is about to overturn in place, the overturning plate push rod is in contact with the other end of the limiting shaft, the overturning plate push rod and the overturning pedal are in a relatively fixed state at the moment, pulling force can be generated on the damping air spring, and the damping of the tail section stroke of the damping air spring enters a working state at the moment, so that the overturning pedal generates buffering.

Furthermore, the turnover pedal mechanism of the downward-turning type emergency evacuation door with the window is also provided with a decorative cover plate mechanism which comprises a decorative cover plate and a cover plate connecting rod, wherein the decorative cover plate is hinged with the door leaf main body, one end of the cover plate connecting rod is connected with the decorative cover plate, and the other end of the cover plate connecting rod is connected with the turnover pedal. When the foldable pedal is unfolded, the decorative cover plate rotates along with the foldable pedal and enters a window frame area at the lower part of the foldable pedal; after the recovery is completed, the decorative cover plate forms an upper shell, protects the internal mechanical structure and shields the decorative cover plate simultaneously, and provides an attractive effect.

Furthermore, the turnover pedal mechanism of the downward-turning type emergency evacuation door with the window is also provided with a transition pedal mechanism, the transition pedal mechanism comprises a transition pedal and a transition pedal bottom beam, the transition pedal is connected with the vehicle body, one end of the transition pedal bottom beam is connected with the transition pedal, and the other end of the transition pedal bottom beam is connected with the door leaf main body.

Furthermore, a roller guide rail is further arranged on the transition pedal, a roller matched with the roller guide rail is arranged on the turnover pedal, and the turnover pedal mechanism can be matched with the transition pedal mechanism to guide in the unfolding and closing processes of the door leaf, so that friction and collision are reduced.

Furthermore, a locking mechanism temporarily connected with the door leaf is further arranged on the overturning pedal.

Furthermore, locking mechanism is including turning over board couple and door leaf couple, turns over the board couple and is fixed in on turning over the board, and the door leaf couple is fixed in on the door leaf, and both can link the hanging. Under the non-working state of the hook, the door leaf hook is attached to the door leaf under the action of the hook torsion spring, and abnormal sound caused by vibration can be prevented. When the hook needs to enter a working state, the turnover pedal is manually folded back and the door leaf hook is lifted, and the turnover pedal can be temporarily connected with the turnover panel hook to temporarily fix the turnover pedal, so that subsequent recovery is facilitated.

Furthermore, install the rubber buffer block on the upset footboard, can form the support to the upset footboard with the heavy platform contact to provide certain buffering effect, prevent the damage that the collision caused.

Further, the tilt pedal matches the shape of the window on the door sash body.

An emergency evacuation door of a rail vehicle comprises the turning pedal mechanism of the urban downward-turning type emergency evacuation door with a window.

Compared with the prior art, the beneficial effects are:

the utility model fills and protects the vacancy of the window part of the evacuation channel by arranging the turnover pedal mechanism. The turnover pedal mechanism can automatically turn over along with the emergency evacuation door and can be embedded into a sunken platform at the position of the window in a fully unfolded state, so that the safety and the evacuation efficiency of emergency evacuation personnel are improved. Meanwhile, the decorative cover plate is installed on the turnover pedal through the connecting rod mechanism, and under the door closing state, the decorative cover plate and the transition pedal can form a protective shell, so that the turnover pedal mechanism is protected, and meanwhile, the attractive effect is provided. The guide rail is arranged on the back of the transition pedal and can be matched with the roller arranged on the turning plate, so that friction and collision are reduced in the unfolding and recovery processes.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the present invention in an open state;

FIG. 3 is a schematic structural view of the folded state of the present invention;

FIG. 4 is a schematic view of a flipping pedal mechanism;

FIG. 5 is a partial schematic view of a flipping panel of the flipping pedal mechanism;

FIG. 6 is a partial schematic view of a flipping panel of the flipping pedal mechanism;

FIG. 7 is a schematic view of a trim cover mechanism;

FIG. 8 is a schematic view of a transition pedal mechanism;

FIG. 9 is a schematic view of the recovery of the present invention.

The device comprises a 1-turn pedal mechanism, a 101-turn plate mounting seat, a 102-turn pedal, a 103-roller, a 104-rubber buffer block, a 105-turn plate push rod seat, a 106-turn plate push rod, a 107-damping air spring, a 108-damping air spring mounting seat, a 109-turn plate hook, a 110-door leaf hook, a 111-hook torsion spring, a 2-decoration cover plate mechanism, a 201-decoration cover plate, a 202-cover plate connecting rod, a 3-transition pedal mechanism, a 301-transition pedal, a 302-transition pedal bottom beam, a 303-roller guide rail, a 4-door leaf main body and a 5-vehicle body.

Detailed Description

The following examples are further explained and illustrated, but the present invention is not limited in any way by the specific examples. Unless otherwise indicated, the methods and apparatus used in the examples are conventional in the art.

Example 1

As shown in the figure, the turnover pedal mechanism of the downward-turning emergency evacuation door with the window comprises a turnover pedal mechanism 1, a decorative cover plate mechanism 2 and a transition pedal mechanism 3, wherein the turnover pedal mechanism 2 is arranged on a door leaf main body 4, the decorative cover plate mechanism 2 is arranged on the door leaf main body 4 and is connected with the turnover pedal mechanism 1, and the transition pedal mechanism 3 is connected with a vehicle body 5 and the door leaf main body 4.

The turnover pedal mechanism 1 comprises a turnover plate installation seat 101, a turnover pedal 102, a turnover plate push rod 106, a damping air spring 107, a turnover plate hook 109 and a roller 103, wherein the turnover plate installation seat 101 is arranged at the lower edge of a window frame of the door leaf main body 4, and the turnover pedal 102 is connected with the turnover plate installation seat 101 through a turnover plate hinge. Two sides of the turning pedal 102 are provided with turning plate push rod seats 105, the turning plate push rod seats 105 are provided with push rod rotating shafts and limiting shafts, so that the damping air springs 107 are prevented from interfering with the turning plate mounting seats 101 or the door leaves in the unfolding process, and the L-shaped turning plate push rods 106 are mounted on the push rod rotating shafts and can rotate around the push rod rotating shafts. The flap push rod 106 is fixed with a damping air spring mounting seat 108 on the door leaf through a damping air spring 107, and the tail end of the damping air spring 107 has a damping function and can buffer before the turnover pedal 102 is turned in place.

The turning pedal 102 is provided with a turning plate hook 109 on one side, the door leaf body 4 is provided with a door leaf hook 110, the door leaf hook 110 is provided with a hook torsion spring 111, and the door leaf hook 110 is attached to the door leaf body 4 under the action of the hook torsion spring 111 in a non-working state of the door leaf hook 110, so that abnormal sound caused by vibration can be prevented; under the working state of the door leaf hook 110, the turnover pedal is folded back and the door leaf hook 110 is lifted, and can be temporarily connected with the turnover plate hook 109 to temporarily fix the turnover pedal 102, so that the subsequent recovery is facilitated. Meanwhile, the rubber buffer block 104 is installed on the back surface of the turnover pedal 102 and contacts with the sinking platform to form a support for the turnover pedal 102, and a certain buffer effect is provided to prevent damage caused by collision.

The trim cover mechanism 2 comprises a trim cover 201 and a cover connecting rod 202, the trim cover 201 is fixed on the lower part of the window frame of the door leaf main body 4 through a cover hinge, one end of the cover connecting rod 202 is hinged on the inner side of the trim cover 201, and the other end of the cover connecting rod 202 is fixed on the back of the turnover pedal 102 of the turnover pedal mechanism 1. The door leaf body 4, the turning pedal 102, the cover plate connecting rod 202 and the decorative cover plate 201 form a four-bar linkage mechanism, and when the door leaf body is unfolded, the decorative cover plate 201 rotates along with the turning pedal 102 and enters a window frame area at the lower part of the turning pedal 102; after the recovery is complete, the trim cover 201 forms the upper housing, protecting the internal mechanical structure and shielding it at the same time, providing an aesthetic effect.

The transition pedal mechanism 3 comprises a transition pedal 301 and a transition pedal bottom beam 302, the transition pedal 301 is hinged on the vehicle body 5, one end of the transition pedal bottom beam 302 is connected with the transition pedal 301, and the other end of the transition pedal bottom beam is fixed at the bottom of the door leaf main body 4. The back of the transition pedal 301 is provided with a roller guide rail 303, one side of the turnover pedal 102 of the turnover pedal mechanism 1 is provided with a roller 103 matched with the turnover pedal, and the roller 103 can be matched with the transition pedal mechanism 3 for guiding in the process of unfolding and closing the door leaf, so that friction and collision are reduced.

Example 2

The embodiment provides a method for using the window-equipped flip-down emergency evacuation door of the railway vehicle in embodiment 1.

When the emergency evacuation door system is unfolded, the 2 outer rollers 103 roll on the bottom beam 302 of the transition pedal along with the increase of the opening angle in the initial stage, when the escape position is reached, the turnover pedal 102 is unfolded continuously, and the 2 inner rollers 103 contact the roller guide rails 303 arranged on the back surface of the transition pedal 301 until the escape completely from the area of the transition pedal 301. At this time, the front-stage thrust stroke of the damping air spring 107 can apply a turning power to the turning pedal 102 to enable the turning pedal to cross the balance position, the turning plate push rod 106 rotates around the push rod rotating shaft on the turning plate push rod seat 105, the turning plate push rod rotates from one end of the limiting shaft to the other end of the limiting shaft and is limited, and the turning pedal 102 is in an undamped state in the conversion process and can be freely turned under the action of gravity. When the overturning pedal is about to overturn in place, the overturning plate push rod 106 is in contact with the other end of the limiting shaft, at the moment, the overturning plate push rod 106 and the overturning pedal 102 are in a relatively fixed state, pulling force can be generated on the damping air spring 107, and damping of the tail stroke of the damping air spring 107 enters a working state at the moment, so that a buffering effect is generated on the overturning pedal 102. Under the combined action of the rubber buffer block 104, the turning pedal 102 is stably embedded into the sunken platform at the window position on the door leaf to form a complete evacuation channel.

In the recycling process, the turnover pedal 102 is connected with the door leaf hook 110 to temporarily fix the turnover pedal 102, when the roller 103 is recycled to be in contact with the transition pedal bottom beam 302, the turnover pedal 102 is extruded to continue to be close to the door leaf, the door leaf hook 110 is separated from the opening of the turnover plate hook 109 and is attached to the door leaf under the action of the hook torsion spring 111. After the pedal is recovered in place, the roller 103 is always pressed by the bottom beam 302 of the transition pedal, meanwhile, the damping air spring 107 always provides a force value for overturning and unfolding the overturning pedal 102, and the position of the overturning pedal 102 is fixed.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A turnover pedal mechanism of a downward-turning type emergency evacuation door with a window is characterized by comprising a turnover pedal mechanism for covering a window area; the turnover pedal mechanism comprises a turnover plate mounting seat arranged on the lower edge of the door leaf window frame, a turnover pedal which is hinged with the turnover plate mounting seat and can be embedded into the window, a turnover plate push rod hinged on the side edge of the turnover pedal, and a damping air spring for connecting the turnover plate push rod and the door leaf.

2. The tilt-down windowed emergency evacuation door according to claim 1, wherein the tilt-down windowed emergency evacuation door further comprises a trim cover mechanism comprising a trim cover rotatable with the tilt pedal and a cover link connecting the trim cover and the tilt pedal.

3. The roll-over pedal mechanism of the downward-turning type emergency evacuation door with window according to claim 1, further comprising a transition pedal mechanism, comprising a transition pedal and a transition pedal bottom beam, wherein the transition pedal is connected with the vehicle body, one end of the transition pedal bottom beam is connected with the transition pedal, and the other end of the transition pedal bottom beam is connected with the door leaf main body.

4. The tilt-down windowed emergency evacuation door footboard mechanism of claim 3, wherein the transition footboard further comprises a roller track.

5. The turn-down windowed emergency evacuation door of claim 1, wherein the turn-down step further comprises a locking mechanism temporarily coupled to the door leaf.

6. The tilt-down pedal mechanism of emergency evacuation door with window as claimed in claim 5, wherein the locking mechanism comprises a flap hook and a door leaf hook, the flap hook is fixed on the flap, the door leaf hook is fixed on the door leaf, and the flap hook and the door leaf hook can be connected.

7. The flip-up pedal mechanism for a downward-hinged windowed emergency evacuation door of claim 1, wherein a rubber bumper is mounted on the flip-up pedal.

8. The tilt-down windowed emergency evacuation door of claim 1, wherein the tilt-down pedal matches the shape of the window on the door leaf body.

9. The flip-up pedal mechanism of a flip-down windowed emergency evacuation door of claim 1, wherein the flip-up pedal is provided with rollers that mate with roller guide rails.

10. An emergency evacuation door comprising the flip-up pedal mechanism of the flip-down windowed emergency evacuation door of any one of claims 1-9.