CN111845572B

CN111845572B - Passenger car safety top window with quick escape device

Info

Publication number: CN111845572B
Application number: CN201910347983.9A
Authority: CN
Inventors: 李德兴; 毛云锋; 邱学锐
Original assignee: Danyang Automobile & Ship Decoration Part Co ltd
Current assignee: Danyang Automobile & Ship Decoration Part Co ltd
Priority date: 2019-04-28
Filing date: 2019-04-28
Publication date: 2022-10-11
Anticipated expiration: 2039-04-28
Also published as: CN111845572A

Abstract

The invention discloses a passenger car safety roof window with a quick escape device, and particularly relates to the technical field of safety of passenger vehicles, wherein the passenger car safety roof window comprises a car body, a groove is formed in the top of the car body in a penetrating manner, a sealing plate is arranged in the groove, one end of the sealing plate is provided with an accommodating groove, and a telescopic mechanism is arranged in the accommodating groove; the telescopic mechanism comprises a bottom layer, a middle layer and a top layer, the bottom layer, the middle layer and the top layer respectively comprise a guide frame plate and a pedal, and one end, close to the bottom layer, of the guide frame plate in the middle layer is movably sleeved inside the guide frame plate in the bottom layer. The retractable safety ladder hidden in the containing groove on the sealing plate is put down, the clamping blocks are used for limiting and clamping the guide frame plates of the adjacent layers, and meanwhile, the pedals can be turned by hands, so that one end of each pedal is turned over by taking the cross rod as a central shaft, the pedals are converted into a horizontal state from an inclined state, the treading space is enlarged, and the injury rate of passengers in the escaping process is improved.

Description

Passenger car safety roof window with quick escape device

Technical Field

The invention relates to the technical field of safety of passenger vehicles, in particular to a passenger car safety top window with a quick escape device.

Background

In modern society, tourism buses are increasingly called vehicles which are most closely related to the lives of people. The demand for vehicle safety is also increasing. At present, when a side collision occurs to a vehicle, the door of the passenger car is easy to block, and passengers are difficult to escape from the door. The roof window on the top of the existing vehicle is only used for ventilation and can not help people in the vehicle to escape when the vehicle has an accident.

The invention patent of patent application publication No. CN 108674150A discloses a passenger car roof window with a quick escape device, which comprises a roof window, a rotating shaft, a safety ladder, a ratchet mechanism and a ratchet shaft; the roof window of the roof is connected with the safety ladder through the ratchet mechanism, and the roof window is opened to a ventilation state when ventilation is needed; meanwhile, when people need to escape, the roof window is opened to the maximum according to the lever principle by operating the safety ladder, namely, the escape state is realized, and the escape probability of passengers in the vehicle is improved. The safety roof window is simple in structure, convenient to install and use and high in reliability.

However, in practical use, there are still many disadvantages, such as the narrow foot bar portion of the safety ladder, and the foot is easy to slide due to confusion during escape, which causes injury.

Disclosure of Invention

In order to overcome the above defects in the prior art, embodiments of the present invention provide a passenger car security roof with a quick escape device, in which a retractable safety ladder hidden in a storage groove on a sealing plate is lowered, a position-locking block is used to position and lock a guiding frame plate of an adjacent layer, and a turning pedal can be turned by hand, so that one end of the pedal is turned over by using a cross bar as a central axis, and the inclined state of the pedal is converted into a horizontal state, thereby increasing a stepping space, increasing the injury rate of passengers in the escape process, and solving the problems in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: a passenger car safety roof window with a quick escape device comprises a car body, wherein a groove is formed in the top of the car body in a penetrating mode, a sealing plate is arranged inside the groove, an accommodating groove is formed in one end of the sealing plate, and a telescopic mechanism is arranged inside the accommodating groove;

the telescopic mechanism comprises a bottom layer, a middle layer and a top layer, the bottom layer, the middle layer and the top layer respectively comprise a guide frame plate and a pedal, one end of the guide frame plate in the middle layer, which is close to the bottom layer, is movably sleeved inside the guide frame plate in the bottom layer, one end of the guide frame plate in the top layer, which is close to the middle layer, is movably sleeved inside the guide frame plate in the middle layer, the bottom end of an inner cavity of the guide frame plate is provided with a cross rod, one end of the pedal is fixedly sleeved on the cross rod, the two ends of the cross rod are movably connected with the guide frame plate at the corresponding end through bearings, the transition connection part of any two adjacent guide frame plates is provided with a clamping block, the bottom end of the guide frame plate in the bottom layer is provided with a bottom plate, one side of the bottom plate, which faces the guide frame plate, is correspondingly provided with a redundant groove, the bottom layer is provided with a second rotating shaft in a penetrating manner, one end of the bottom layer, which is provided with a second rotating shaft in the redundant groove, the two ends of the second rotating shaft are movably connected with the inner side walls of the redundant groove at the corresponding positions through bearings, and the bottom layer, the middle layer and the top layer are provided with turnover mechanisms;

the turnover mechanism comprises a connecting rod, a first fixing rod and a second fixing rod are arranged at two ends of the connecting rod in a penetrating mode respectively, the first fixing rod and the second fixing rod are movably connected with corresponding positions of the connecting rod through bearings, one end, far away from the connecting rod, of the first fixing rod is fixedly connected with the inner side wall of the guide frame plate, the first fixing rod is arranged in the middle of the inner side wall of the guide frame plate, one end, far away from the connecting rod, of the second fixing rod is fixedly connected with one side of the pedal, and the second fixing rod is arranged at one end, far away from the transverse rod, of the pedal.

In a preferred embodiment, the clamping blocks on the guide frame plate at the bottom layer are arranged on the inner side wall of one end, close to the middle layer, of the guide frame plate, the number of the clamping blocks on the guide frame plate at the middle layer is two, the clamping blocks close to the bottom layer are arranged on the outer side of one end, close to the corresponding guide frame plate, of the guide frame plate at the bottom layer, the clamping blocks far away from the bottom layer are arranged on the outer side of the corresponding guide frame plate, the clamping blocks on the guide frame plate at the top layer are arranged on the outer side of one end, close to the middle layer, of the corresponding guide frame plate, the distance between the clamping blocks at the bottom layer is equal to the distance between the two outer side walls of the guide frame plate at the middle layer, the distance between the clamping blocks at the middle layer and the distance between the two inner side walls of the guide frame plate at the top layer are equal to the distance between the two inner side walls of the guide frame plate at the middle layer at the adjacent layer, and the distance between the clamping blocks at the top layer is equal to the distance between the two inner side walls of the guide frame plate at the middle layer.

In a preferred embodiment, the inner chamber lateral wall and the top of automobile body are provided with second receipts paying off machine and first receipts paying off machine respectively and construct, first receipts paying off machine constructs and second receipts paying off machine and constructs all including the mounting disc, the central point of mounting disc puts through bearing swing joint has a line section of thick bamboo, it has the connecting rope to coil on the line section of thick bamboo, the one end fixedly connected with holding rod of mounting disc is kept away from to a line section of thick bamboo, the holding rod includes fixed part and movable part, through universal driving shaft swing joint between fixed part and the movable part.

In a preferred embodiment, one side of the mounting disc is provided with a limiting clamping block, the top of the limiting clamping block is provided with a clamping groove, a rubber pad is arranged inside the clamping groove, the movable part of the holding rod is in interference fit with the clamping groove through the rubber pad, and one side of the mounting disc on the first take-up and pay-off mechanism, which is far away from the limiting clamping block, is provided with a wire guide wheel.

In a preferred embodiment, the shrouding is kept away from the one end of accomodating the groove and is provided with the otic placode, otic placode central point puts and runs through and is equipped with the through-hole, the inside cover that runs through of through-hole is equipped with first pivot, fixed connection between first pivot and the otic placode, and first pivot both ends all through the bearing with correspond the automobile body swing joint who holds, first pivot surface both ends are all fixed and are equipped with the lead wire pipe, the bottom plate both ends all correspond and are equipped with solid fixed ring, wire wheel and lead wire pipe are passed in proper order to the last connection rope one end of first receipts paying out machine structure to with solid fixed ring fixed connection.

In a preferred embodiment, the first rotating shaft is fixedly sleeved with a take-up and pay-off wheel, the vehicle body at a corresponding position of the take-up and pay-off wheel is provided with an embedded groove, the take-up and pay-off wheel is embedded in the embedded groove, and one end of a connecting rope on the second take-up and pay-off mechanism is wound on the take-up and pay-off wheel.

In a preferred embodiment, the junction of bottom plate and automobile body is provided with chucking mechanism, chucking mechanism is including inserted bar and jack, the one side of bottom is kept away from at the bottom plate to the jack setting, the position that recess one side inner wall corresponds the jack is provided with the guide way, the inside fly leaf that is provided with of guide way, and fly leaf and the movable laminating of guide way inner wall, the one end and the fly leaf fixed connection of jack are kept away from to the inserted bar, the one end inside wall that the guide way is close to the jack is provided with annular stopper, the inner diameter of annular stopper is less than the diameter of fly leaf, and equals the diameter of inserted bar, the outside cover of inserted bar is equipped with the spring, the spring both ends respectively with fly leaf and annular stopper fixed connection.

In a preferred embodiment, the number of the guide grooves is two, a moving groove is formed between the two guide grooves, one ends, away from the insertion hole, of the two guide grooves are communicated through the moving groove, a connecting plate is arranged inside the moving groove, the two movable plates are fixedly connected with the connecting plate, a hole groove penetrates through one side, facing the inner cavity of the vehicle body, of the moving groove, a handle is arranged in the hole groove, the handle is fixedly arranged at the top of the connecting plate, and one end of the handle extends to the outside of the hole groove.

The invention has the technical effects and advantages that:

1. the retractable safety ladder hidden in the accommodating groove on the sealing plate is put down, the guide frame plate on the top layer is relatively separated from the guide frame plate on the middle layer, after the guide frame plate on the top layer is separated from the guide frame plate on the middle layer to a certain distance, the clamping block on the inner side of the top end of the guide frame plate on the middle layer and the clamping block on the outer side of the bottom end of the guide frame plate on the top layer can be used for mutually limiting and clamping, so that the retractable safety ladder is opened, then, a passenger can turn over the pedal by hand, one end of the pedal is turned over by taking the transverse rod as a central shaft, the pedal is converted into a horizontal state from an inclined state, so that the treading space is increased, the injury rate of passengers in the escape process is increased, a redundant groove is correspondingly arranged on one side of the bottom plate facing the guide frame plate, the bottom plate is arranged in the redundant groove, the bottom surface of the guide frame plate on the bottom surface is movably connected with the redundant groove on the corresponding position, so that the contact between the bottom plate and the inner side wall of the retractable safety ladder is completely adjusted according to the practical situation that the retractable safety ladder is fully attached to the bottom surface of the retractable safety ladder, and the safety ladder, the safety ladder can be adjusted, and the safety ladder is increased, and the safety ladder can be fully attached to the safety ladder can be adjusted according to the situation;

2. according to the retractable safety ladder, the handle is held by a hand, the handle moves to one side far away from the sealing plate along the moving groove, the inserting rod can be separated from the inserting hole on the bottom end face of the bottom plate, the movable part of the holding rod on the second winding and unwinding mechanism is taken out from the clamping groove on the limiting clamping block at the corresponding position, then the holding rod is shaken reversely, so that the connecting rope on the second winding and unwinding mechanism is unwound, the sealing plate falls downwards to the specified position under the action of self gravity, then the movable part of the holding rod on the first winding and unwinding mechanism is taken out from the clamping groove on the limiting clamping block at the corresponding position, and then the holding rod is shaken reversely, so that the connecting rope on the first winding and unwinding mechanism is unwound, and the retractable safety ladder can be gradually extended;

3. according to the retractable safety ladder, the handle is held by a hand, and then the handle moves towards one side far away from the sealing plate along the moving groove, in the process, the inserting rod can be separated from the inserting hole in the bottom end face of the bottom plate and can be retracted inwards along the guide groove, in the retracting process, the movable plate can stretch the spring, after the sealing plate is put down, the handle is loosened, so that one end of the inserting rod is popped out of the guide groove under the restoring force of the spring, otherwise, the retractable safety ladder can be retracted through the operation means, and the retractable safety ladder is convenient and fast.

Drawings

Fig. 1 is a schematic view of the overall structure of the escape state of the present invention.

Fig. 2 is a schematic view of the overall structure of the non-escape state of the present invention.

Fig. 3 is a partial structural schematic diagram of the telescopic mechanism of the present invention.

FIG. 4 is a schematic structural diagram of the turnover mechanism of the present invention.

FIG. 5 is a schematic view of the structure of the junction between the bottom plate and the bottom guide frame plate according to the present invention.

FIG. 6 is a schematic view of the sealing plate structure of the present invention.

Fig. 7 is a schematic structural view of part a in fig. 2 according to the present invention.

Fig. 8 is a schematic structural diagram of part B in fig. 2 according to the present invention.

Fig. 9 is a schematic view of a connection plate of the present invention.

The reference signs are: the automatic folding and unfolding vehicle comprises a vehicle body 1, a groove 2, a sealing plate 3, a first rotating shaft 4, an ear plate 5, a through hole 6, a storage groove 7, an expansion mechanism 8, a bottom layer 81, a middle layer 82, a top layer 83, a guide frame plate 84, a pedal 85, a turnover mechanism 86, a bottom plate 87, a second rotating shaft 88, a connecting rod 89, a first fixing rod 810, a second fixing rod 811, a first take-up and unwinding mechanism 9, a second take-up and unwinding mechanism 10, a wire guide wheel 11, a lead pipe 12, a fixing ring 13, a fitting groove 14, a wire take-up and unwinding wheel 15, a jack 16, a guide groove 17, an annular limiting block 18, a movable plate 19, an insertion rod 20, a spring 21, a moving groove 22, a connecting plate 23, a hole groove 24, a handle 25 and a clamping block 26.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The passenger car safety roof window with the quick escape device provided by the embodiment of the invention can comprise a car body 1, wherein a groove 2 is formed in the top of the car body 1 in a penetrating manner, a sealing plate 3 is arranged in the groove 2, one end of the sealing plate 3 is provided with a containing groove 7, and a telescopic mechanism 8 is arranged in the containing groove 7.

Referring to fig. 1-5 of the specification, the telescopic mechanism 8 of the passenger car safety top window with the quick escape device in this embodiment includes a bottom layer 81, a middle layer 82 and a top layer 83, the bottom layer 81, the middle layer 82 and the top layer 83 each include a guiding frame plate 84 and a pedal 85, one end of the guiding frame plate 84 of the middle layer 82, which is close to the bottom layer 81, is movably sleeved inside the guiding frame plate 84 of the bottom layer 81, one end of the guiding frame plate 84 of the top layer 83, which is close to the middle layer 82, is movably sleeved inside the guiding frame plate 84 of the middle layer 82, a cross bar is disposed at the bottom end of an inner cavity of the guiding frame plate 84, one end of the pedal 85 is fixedly sleeved on the cross bar, both ends of the cross bar are movably connected with the guiding frame plate 84 at corresponding ends through bearings, a clamping block 26 is disposed at a transition connection position of any two adjacent guiding frame plates 84, a bottom plate 87 is disposed at the bottom end of the guiding frame plate 84 of the bottom layer 81, one side of the bottom plate 87, which faces the guiding frame plate 84, is correspondingly provided with a redundant groove, the bottom layer 84, a second rotating shaft 88 is disposed at the bottom layer 81, and two inner side of the redundant grooves are connected with the inner side of the top layer 82 and the redundant grooves 82;

turnover mechanism 86 is including connecting rod 89, connecting rod 89 both ends are run through respectively and are equipped with first dead lever 810 and second dead lever 811, first dead lever 810 and second dead lever 811 all pass through bearing and connecting rod 89's corresponding position swing joint, the one end and the guide frame plate 84 inside wall fixed connection that connecting rod 89 was kept away from to first dead lever 810, and set up the middle part at guide frame plate 84 inside wall, the one end that connecting rod 89 was kept away from to second dead lever 811 is fixed continuous with footboard 85 one side, and sets up the one end of keeping away from the horizontal pole at footboard 85.

Further, the positioning blocks 26 on the guide frame plate 84 of the bottom layer 81 are arranged on the inner side wall of the guide frame plate 84 close to the middle layer 82, the number of the positioning blocks 26 on the guide frame plate 84 of the middle layer 82 is two, the positioning blocks 26 close to the bottom layer 81 are arranged on the outer side of one end of the corresponding guide frame plate 84, the positioning blocks 26 far away from the bottom layer 81 are arranged on the outer side of the corresponding guide frame plate 84, the positioning blocks 26 on the guide frame plate 84 of the top layer 83 are arranged on the outer side of one end of the corresponding guide frame plate 84 close to the middle layer 82, the distance between the positioning blocks 26 on the bottom layer 81 is equal to the distance between the two outer side walls of the guide frame plate 84 of the middle layer 82, the distance between the positioning blocks 26 on the outer side wall of the middle layer 82 and the distance between the positioning blocks 26 on the inner side wall are respectively equal to the distance between the two inner side walls of the guide frame plate 84 of the bottom layer 81 and the two outer side walls of the guide frame plate 84 of the top layer 83, and the distance between the positioning blocks 26 on the top layer 83 is equal to the distance between the two inner side walls of the guide frame plate 84 of the adjacent position 82.

The implementation scenario is specifically as follows: in practical use, if the side collision of the vehicle causes the situation that the doors of the passenger car are locked and cannot be opened, the passenger can open the sealing plate 3 at the top of the car downwards, so that the retractable safety ladder hidden in the accommodating groove 7 on the sealing plate 3 is put down to help the passenger escape from the car, when the retractable safety ladder slides downwards to be opened, the guide frame plate 84 on the top layer 83 and the guide frame plate 84 on the middle layer 82 are separated relatively, after the guide frame plates 84 on the top layer 83 and the middle layer 82 are separated to a certain distance, the blocking block 26 on the inner side of the top end of the guide frame plate 84 on the middle layer 82 and the blocking block 26 on the outer side of the bottom end of the guide frame plate 84 on the top layer 83 can be used for mutual limiting and blocking, then the middle layer 82 and the bottom layer 81 are separated continuously, and the blocking block 26 on the outer side of the bottom end of the guide frame plate 84 on the middle layer 82 and the blocking block 26 on the inner side of the top end of the guide frame plate 84 on the bottom layer 81 are used for mutual limiting and blocking, therefore, the opening of the retractable safety ladder is completed, then, a passenger can turn over the pedal 85 by hand, one end of the pedal 85 is turned over by taking the cross rod as a central shaft, the pedal 85 is converted into a horizontal state from an inclined state, the stepping space is enlarged, the injury rate of the passenger in the escape process is improved, meanwhile, the pedal 85 is pulled by the connecting rod 89, the stability of the pedal is improved, the bottom end face of the bottom plate 87 at the bottom end of the bottom layer 81 is contacted with the bottom surface of the inner cavity of the car body 1, in the contact process of the bottom end face of the bottom plate 87 and the bottom surface of the inner cavity of the car body 1, because one side of the bottom plate 87 facing the guide frame plate 84 is correspondingly provided with the redundant groove, the bottom of the guide frame plate 84 of the bottom layer 81 is arranged in the redundant groove, and the angle between the bottom plate 87 and the guide frame plate 84 on the bottom layer 81 is favorably adjusted through the second rotating shaft 88 connected with the bearing and the inner side wall of the redundant groove at the corresponding position, thereby make bottom plate 87 bottom surface and the laminating completely of 1 inner chamber bottom surface of automobile body, increase the area of contact of

bottom plate

87 and 1 inner chamber bottom surface of automobile body, improve collapsible emergency ladder and open the stability of placing the in-process to, footboard 85 density of collapsible emergency ladder can be selected according to actual conditions, and the practicality is strong.

Referring to the attached drawings 1-2 and 6-7 of the specification, the side wall and the top of the inner cavity of the vehicle body 1 of the passenger vehicle safety top window with the quick escape device are respectively provided with a second take-up and pay-off mechanism 10 and a first take-up and pay-off mechanism 9, the first take-up and pay-off mechanism 9 and the second take-up and pay-off mechanism 10 respectively comprise a mounting disc, the center of the mounting disc is movably connected with a wire barrel through a bearing, a connecting rope is wound on the wire barrel, one end, far away from the mounting disc, of the wire barrel is fixedly connected with a holding rod, the holding rod comprises a fixed part and a movable part, and the fixed part is movably connected with the movable part through a linkage shaft.

Further, mounting disc one side is provided with spacing fixture block, spacing fixture block top is provided with the draw-in groove, the inside cushion that is provided with of draw-in groove, the movable part of holding rod is interference fit through cushion and draw-in groove, one side that spacing fixture block was kept away from to the mounting disc on the first pay-off and take-up mechanism 9 is provided with wire wheel 11.

Further, the one end of accomodating groove 7 is kept away from to shrouding 3 is provided with otic placode 5, otic placode 5 central point puts and runs through and is equipped with through-hole 6, the inside cover that runs through of through-hole 6 is equipped with first pivot 4, fixed connection between first pivot 4 and the

otic placode

5, and 1 swing joint of automobile body that first pivot 4 both ends all pass through the bearing and correspond the end, 4 surperficial both ends of first pivot are all fixed and are equipped with lead tube 12, bottom plate 87 both ends all correspond and are equipped with solid fixed ring 13, wire wheel 11 and lead tube 12 are passed in proper order to the rope one end of being connected on the first receipts paying out machine structure 9 to with solid fixed ring 13 fixed connection.

Furthermore, a take-up and pay-off wheel 15 is fixedly sleeved on the first rotating shaft 4, an embedded groove 14 is formed in the vehicle body 1 at a position corresponding to the take-up and pay-off wheel 15, the take-up and pay-off wheel 15 is embedded in the embedded groove 14, and one end of a connecting rope on the second take-up and pay-off mechanism 10 is wound on the take-up and pay-off wheel 15.

The implementation scene is specifically as follows: when the retractable safety ladder is put down, a passenger can take out the movable part of the holding rod on the second take-up and pay-off mechanism 10 from the clamping groove on the limiting clamping block at the corresponding position, and then reversely shake the holding rod, so as to realize the unreeling of the connecting rope on the second take-up and pay-off mechanism 10, in the unreeling process, the sealing plate 3 falls downwards under the action of self gravity, in the process, the first rotating shaft 4 can drive the take-up and pay-off wheel 15 to rotate, so as to realize the reeling of the unreeling connecting rope, when the sealing plate 3 descends to a certain angle, the movable part of the holding rod on the second take-up and pay-off mechanism 10 is turned over by taking the linkage shaft as a central shaft, so that the movable part of the holding rod is inserted into the clamping groove at the corresponding position, because the movable part of the holding rod is in interference fit with the clamping groove through the rubber pad, the stability of the clamping of the movable part can be improved, the movable part is prevented from being separated from the clamping groove, subsequently, the passenger can take out the holding rod movable part on first receipts paying out machine structure 9 from the draw-in groove on the spacing fixture block of corresponding position, then reverse wave the holding rod, thereby realize unreeling the connection rope on first receipts paying out machine structure 9, unreeling the in-process, because connection rope one end on first receipts paying out machine structure 9 passes wire wheel 11 and lead wire pipe 12 in proper order, and with solid fixed ring 13 fixed connection, can make along with unreeling to the connection rope, collapsible safety ladder extends gradually, until reaching the assigned position, then use the universal driving shaft as the center pin with the holding rod movable part on first receipts paying out machine structure 9 and overturn, make it insert in the draw-in groove of corresponding position, avoid it to break away from the draw-in groove and continue to unreel, simultaneously at the in-process of unreeling, its speed of unreeling can be artificial control, stop immediately, avoid bringing unnecessary injury for the passenger.

Referring to the attached figure 2 and fig. 8-9 of the specification, a clamping mechanism is arranged at the joint of the bottom plate 87 and the vehicle body 1 of the passenger vehicle safety roof window with the quick escape device, the clamping mechanism comprises an insertion rod 20 and a jack 16, the jack 16 is arranged on one side of the bottom plate 87 far away from the bottom layer 81, a guide groove 17 is arranged on the inner wall of one side of the groove 2 corresponding to the jack 16, a movable plate 19 is arranged inside the guide groove 17, the movable plate 19 is movably attached to the inner wall of the guide groove 17, one end of the insertion rod 20 far away from the jack 16 is fixedly connected with the movable plate 19, an annular limiting block 18 is arranged on the inner side wall of one end of the guide groove 17 close to the jack 16, the inner diameter of the annular limiting block 18 is smaller than the diameter of the movable plate 19 and equal to the diameter of the insertion rod 20, a spring 21 is sleeved outside the insertion rod 20, and two ends of the spring 21 are respectively and fixedly connected with the movable plate 19 and the annular limiting block 18.

Further, the number of the guide grooves 17 is two, two the moving grooves 22 are arranged between the guide grooves 17, one ends, far away from the jack 16, of the two guide grooves 17 are communicated through the moving grooves 22, the connecting plate 23 is arranged inside the moving grooves 22, the two moving plates 19 are fixedly connected with the connecting plate 23, a hole groove 24 is formed in one side, facing the inner cavity of the vehicle body 1, of the moving grooves 22 in a penetrating mode, a handle 25 is arranged in the hole groove 24, the handle 25 is fixedly arranged at the top of the connecting plate 23, and one end of the handle 25 extends to the outside of the hole groove 24.

The implementation scenario is specifically as follows: when the retractable safety ladder needs to be put down, a passenger needs to hold the handle 25 by hand firstly, then moves towards the side far away from the sealing plate 3 along the moving groove 22, in the process, the inserting rod 20 is separated from the inserting hole 16 on the bottom end face of the bottom plate 87 and retracts inwards along the guide groove 17, in the retracting process, the moving plate 19 stretches the spring 21, after the sealing plate 3 is put down, the handle 25 is loosened, so that one end of the inserting rod 20 is popped out of the guide groove 17 under the restoring force of the spring 21, otherwise, the retractable safety ladder can be retracted through the operation means, and the retractable safety ladder is convenient and fast to put down.

In summary, the following steps: according to the invention, the handle 25 is held by hand, then the handle moves to one side far away from the sealing plate 3 along the moving groove 22, the inserting rod 20 can be separated from the inserting hole 16 on the bottom end face of the bottom plate 87, the holding rod moving part on the second take-up and pay-off mechanism 10 is taken out from the clamping groove on the limiting clamping block at the corresponding position, then the holding rod is shaken reversely, so that the connecting rope on the second take-up and pay-off mechanism 10 is unreeled, the sealing plate 3 falls downwards to the designated position under the action of self gravity, then the holding rod moving part on the first take-up and pay-off mechanism 9 is taken out from the clamping groove on the limiting clamping block at the corresponding position, then the holding rod is shaken reversely, so that the connecting rope on the first take-up and pay-off mechanism 9 is unreeled, the retractable safety ladder can be gradually extended, and in the process of downward sliding and opening of the retractable safety ladder, the guide frame plate 84 on the top layer 83 is relatively separated from the guide frame plate 84 on the middle layer 82, after the guiding frame plates 84 of the top layer 83 and the middle layer 82 are separated to a certain distance, the blocking block 26 at the inner side of the top end of the guiding frame plate 84 on the middle layer 82 and the blocking block 26 at the outer side of the bottom end of the guiding frame plate 84 on the top layer 83 can be used for mutual limiting and blocking, then the middle layer 82 is continuously separated from the bottom layer 81, the blocking block 26 at the outer side of the bottom end of the guiding frame plate 84 on the middle layer 82 and the blocking block 26 at the inner side of the top end of the guiding frame plate 84 on the bottom layer 81 can be used for mutual limiting and blocking, so that the retractable safety ladder can be opened, then, a passenger can turn over the pedal 85 by hand, so that one end of the pedal 85 is turned over by taking the cross rod as a central shaft, the pedal 85 is converted into a horizontal state from an inclined state, so that the stepping space is enlarged, the injury rate of the passenger in the escaping process is improved, and because one side of the bottom plate 87 facing the guiding frame plates 84 is correspondingly provided with a redundant groove, and the setting of the guide deckle board 84 bottom of bottom 81 is inside redundant inslot, and the second pivot 88 through being connected with the bearing does benefit to the regulation of angle between the guide deckle board 84 of realizing on bottom plate 87 and the bottom 81 with the redundant inslot inside wall swing joint of corresponding position, thereby make bottom plate 87 bottom surface laminate completely with 1 inner chamber bottom surface of automobile body, increase the area of contact of

bottom plate

87 and 1 inner chamber bottom surface of automobile body, improve collapsible emergency ladder and opening the stability of placing the in-process, and, footboard 85 density of collapsible emergency ladder can be selected according to actual conditions, therefore, the clothes hanger is strong in practicability.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;

and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.

Claims

1. The utility model provides a passenger train safety top window with quick escape device, includes automobile body (1), its characterized in that: a groove (2) penetrates through the top of the vehicle body (1), a sealing plate (3) is arranged in the groove (2), an accommodating groove (7) is formed in one end of the sealing plate (3), and a telescopic mechanism (8) is arranged in the accommodating groove (7);

telescopic machanism (8) including bottom (81), middle level (82) and top layer (83), bottom (81), middle level (82) and top layer (83) all include guide deckle board (84) and footboard (85), guide deckle board (84) of middle level (82) are close to bottom (81) one end activity and cup joint in inside guide deckle board (84) of bottom (81), guide deckle board (84) of top layer (83) are close to middle level (82) one end activity and cup joint inside guide deckle board (84) of middle level (82), guide deckle board (84) inner chamber bottom is provided with the horizontal pole, footboard (85) one end fixed cover is connected on the horizontal pole, and the horizontal pole both ends all through bearing and guide deckle board (84) swing joint who corresponds the end, arbitrary adjacent two the transition junction of guide deckle board (84) all is provided with screens piece (26), the guide deckle board (84) bottom of bottom (81) is provided with bottom plate (87), bottom plate (87) one side that guide deckle board (84) faced is equipped with redundant guide deckle board (84), the pivot (88) runs through the inside second slot (88) and the pivot (88) that the second pass through the pivot (88) and the second slot (88) is equipped with redundant groove (88), the two sides of the bottom layer (81), the middle layer (82) and the top layer (83) are respectively provided with a turnover mechanism (86);

the turnover mechanism (86) comprises a connecting rod (89), a first fixing rod (810) and a second fixing rod (811) are respectively arranged at two ends of the connecting rod (89) in a penetrating mode, the first fixing rod (810) and the second fixing rod (811) are movably connected with corresponding positions of the connecting rod (89) through bearings, one end, far away from the connecting rod (89), of the first fixing rod (810) is fixedly connected with the inner side wall of the guide frame plate (84) and is arranged in the middle of the inner side wall of the guide frame plate (84), one end, far away from the connecting rod (89), of the second fixing rod (811) is fixedly connected with one side of the pedal (85) and is arranged at one end, far away from the cross rod, of the pedal (85);

a second take-up and pay-off mechanism (10) and a first take-up and pay-off mechanism (9) are respectively arranged on the side wall and the top of an inner cavity of the vehicle body (1), the first take-up and pay-off mechanism (9) and the second take-up and pay-off mechanism (10) respectively comprise a mounting disc, a wire barrel is movably connected to the central position of the mounting disc through a bearing, a connecting rope is wound on the wire barrel, a holding rod is fixedly connected to one end, away from the mounting disc, of the wire barrel, the holding rod comprises a fixed part and a movable part, and the fixed part is movably connected with the movable part through a linkage shaft; a limiting clamping block is arranged on one side of the mounting disc, a clamping groove is formed in the top of the limiting clamping block, a rubber pad is arranged in the clamping groove, the movable part of the holding rod is in interference fit with the clamping groove through the rubber pad, and a wire guide wheel (11) is arranged on one side, away from the limiting clamping block, of the mounting disc on the first take-up and pay-off mechanism (9);

one end, far away from the accommodating groove (7), of the sealing plate (3) is provided with an ear plate (5), a through hole (6) penetrates through the center of the ear plate (5), a first rotating shaft (4) penetrates through the inside of the through hole (6) in a sleeved mode, the first rotating shaft (4) is fixedly connected with the ear plate (5), two ends of the first rotating shaft (4) are movably connected with the trolley body (1) of the corresponding end through bearings, two ends of the surface of the first rotating shaft (4) are fixedly provided with lead pipes (12), two ends of the bottom plate (87) are correspondingly provided with fixing rings (13), one end of a connecting rope on the first wire accommodating and releasing mechanism (9) penetrates through the guide wheel (11) and the lead pipes (12) in sequence and is fixedly connected with the fixing rings (13); the trolley is characterized in that a take-up and pay-off wheel (15) is fixedly sleeved on the first rotating shaft (4), an embedded groove (14) is formed in the trolley body (1) at a position corresponding to the take-up and pay-off wheel (15), the take-up and pay-off wheel (15) is embedded in the embedded groove (14), and one end of a connecting rope on the second take-up and pay-off mechanism (10) is wound on the take-up and pay-off wheel (15).

2. The passenger car safety roof window with the quick escape device according to claim 1, wherein: the positioning blocks (26) on the guide frame plate (84) of the bottom layer (81) are arranged on the inner side wall of one end, close to the middle layer (82), of the guide frame plate (84), the number of the positioning blocks (26) on the guide frame plate (84) of the middle layer (82) is two, the positioning blocks (26) close to the bottom layer (81) are arranged on the outer side of one end, close to the guide frame plate (84), of the corresponding guide frame plate (84), the positioning blocks (26) far away from the bottom layer (81) are arranged on the outer side of the corresponding guide frame plate (84), the positioning blocks (26) on the guide frame plate (84) of the top layer (83) are arranged on the outer side of one end, close to the middle layer (82), of the corresponding guide frame plate (84), the distance between the positioning blocks (26) on the bottom layer (81) is equal to the distance between the two outer side walls of the guide frame plate (84) of the middle layer (82), the distance between the positioning blocks (26) on the outer side wall of the middle layer (82) and the distance between the positioning blocks (26) of the inner side wall of the guide frame plate (84) of the top layer (83) are respectively equal to the distance between the two adjacent positioning blocks (84) of the guide frame plate (84) of the bottom layer (81), and the distance between the two adjacent positioning blocks (83) of the guide frame plate (84).

3. The passenger car safety roof window with the quick escape device according to claim 1, wherein: bottom plate (87) are provided with chucking mechanism with the junction of automobile body (1), chucking mechanism is including inserted bar (20) and jack (16), one side of bottom (81) is kept away from in jack (16) setting at bottom plate (87), the position that recess (2) one side inner wall corresponds jack (16) is provided with guide way (17), inside fly leaf (19) that is provided with of guide way (17), and fly leaf (19) and the laminating of guide way (17) inner wall activity, the one end and fly leaf (19) fixed connection of jack (16) are kept away from in inserted bar (20), the one end inside wall that guide way (17) are close to jack (16) is provided with annular stopper (18), the internal diameter of annular stopper (18) is less than the diameter of fly leaf (19), and equals the diameter of inserted bar (20), the outside cover of inserted bar (20) is equipped with spring (21), spring (21) both ends respectively with fly leaf (19) and annular stopper (18) fixed connection.

4. The passenger car safety roof window with the quick escape device as claimed in claim 3, wherein: guide way (17) quantity is provided with two, two be provided with shifting chute (22) between guide way (17), and two guide way (17) keep away from the one end of jack (16) and be linked together through shifting chute (22), shifting chute (22) inside is provided with connecting plate (23), two fly leaf (19) all with connecting plate (23) fixed connection, shifting chute (22) run through towards one side of automobile body (1) inner chamber and are equipped with hole groove (24), be provided with handle (25) in hole groove (24), handle (25) are fixed to be set up at the top of connecting plate (23), and handle (25) one end extends to hole groove (24) outside.