CN109466284B - Emergency window for passenger car - Google Patents
Emergency window for passenger car Download PDFInfo
- Publication number
- CN109466284B CN109466284B CN201811471614.2A CN201811471614A CN109466284B CN 109466284 B CN109466284 B CN 109466284B CN 201811471614 A CN201811471614 A CN 201811471614A CN 109466284 B CN109466284 B CN 109466284B
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- Prior art keywords
- window
- oil cavity
- side window
- driving pulley
- pawl
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J1/00—Windows; Windscreens; Accessories therefor
- B60J1/08—Windows; Windscreens; Accessories therefor arranged at vehicle sides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The invention discloses an emergency window of a passenger car, which comprises a side window, wherein the top of the side window is pivotally connected with a car body, locking pin insertion holes capable of inserting locking pins are respectively formed in the left side, the right side and the lower side edges of the side window, and the car body is provided with locking pins capable of elastically extending out along the side edges of the side window and inserted into the locking pin insertion holes; the device also comprises a windowing motor, the output end of the windowing motor is connected with the center of the driving pulley, a plurality of steel wire ropes are wound on the peripheral surface of the driving pulley, the steel wire ropes are respectively connected with the end part of the lock pin after passing through the ferryboat, and the windowing motor is sequentially electrically connected with the windowing switch and the storage battery through wires. Compared with the prior art, the technical scheme of the invention has the advantages of safety, convenience, reliability and the like, and can effectively improve the convenience and survival rate of escape from the side window of the public transportation means.
Description
Technical Field
The invention relates to the technical field of escape of public transportation means, in particular to an emergency window of a passenger car.
Background
In life, people often need to take public transportation means to go out, such as a passenger car or a bus, and in the public transportation means with a relatively regular appearance, the side surface of the public transportation means is usually provided with a plurality of side windows, and the side windows in the prior art are generally fixedly connected with the side surface of the car body in an adhesive manner, however, if the car overturns or the car is in an accident and needs people to escape and withdraw quickly, people can only choose to escape from the car through the car door, but if an electronic system in the car cannot work normally, the car door cannot be automatically opened, so that the side window is broken and detached by using a window breaker in a preferred mode so as to realize quick escape outwards.
However, in the process of breaking and disassembling the side window, if the breaking and disassembling position is incorrect or a tool is incorrect, the side window cannot be broken and disassembled quickly, and the side window is partially disassembled, and glass scraps remained in the window frame are easy to scratch evacuees. Therefore, the safe, convenient and reliable side window escape device is applied to public transportation means such as buses and buses, and the survival rate of escape personnel can be effectively improved.
Disclosure of Invention
The invention mainly aims to provide a safe, convenient and reliable passenger car emergency window, and aims to improve the convenience and survival rate of escape from a side window of a public transport means.
In order to achieve the aim, the emergency window of the passenger car provided by the invention comprises a side window, wherein the top of the side window is pivotally connected with a car body, locking pin insertion holes capable of inserting locking pins are respectively formed in the left side, the right side and the lower side edges of the side window, and the car body is provided with locking pins capable of elastically extending out along the side edges of the side window and inserted into the locking pin insertion holes; the device also comprises a windowing motor, the output end of the windowing motor is connected with the center of the driving pulley, a plurality of steel wire ropes are wound on the peripheral surface of the driving pulley, the steel wire ropes are respectively connected with the end part of the lock pin after passing through the ferryboat, and the windowing motor is sequentially electrically connected with the windowing switch and the storage battery through wires.
Preferably, the side window and the end part of the pivot shaft which is pivotally connected with the vehicle body are axially connected with a ratchet, a pawl is arranged on the upper part of the ratchet and can be clamped into a tooth slot on the surface of the outer peripheral surface of the ratchet, a pawl adsorption electromagnet is further arranged on the top of the pawl and can be used for adsorbing the pawl upwards, and the pawl adsorption electromagnet is sequentially connected with the pawl switch and the storage battery through wires.
Preferably, the driving pulley is coaxially and fixedly connected with a manual rotating disc, and the manual rotating disc can be manually rotated to enable the driving pulley to rotate.
Preferably, the central shaft end part of the driving pulley is connected with the central shaft of the windowing motor through a one-way clutch.
Preferably, an IC starting circuit is connected in parallel between the windowing switch and the windowing motor, and the IC starting circuit is provided with an alarm.
Preferably, a reinforcing ring groove is formed in the outer peripheral surface of the middle of the lock pin, and the middle of the reinforcing ring groove is opposite to the edge of the side window.
Preferably, the other end of the pivot shaft is axially connected with an adapter, the other end of the adapter is provided with a groove, the inner circumferential surface of the groove is provided with an internal thread and is connected with the external thread of the end part of the piston, the radial periphery of the other end of the piston is provided with two parallel surfaces, the other end of the piston is inserted into a central oil cavity of the damping device and axially translates, the right side of the damping device is also provided with a hydraulic oil cavity, a transition oil cavity is also arranged between the hydraulic oil cavity and the central oil cavity, and the left end part of the hydraulic oil cavity is also separated from a nitrogen cavity filled with nitrogen through a floating piston; the central oil cavity is connected with the hydraulic oil cavity through a small radial through hole, the transition oil cavity is connected with the hydraulic oil cavity through a large radial through hole, the central oil cavity is connected with the transition oil cavity through a central hole, a stepped groove is formed in the end portion, facing the central oil cavity, of the transition oil cavity, and an axially arranged valve core is pressed on the bottom surface of the stepped groove through a reset spring and seals the central hole.
Preferably, the inner diameter of the large through holes is larger than the inner diameter of the small through holes, and the number of the large through holes is larger than that of the small through holes.
Compared with the prior art, the technical scheme of the invention has the following advantages:
according to the technical scheme, the driving pulley is driven to rotate by the windowing motor so as to tighten the steel wire rope, the lock pin is driven to overcome the spring and withdraw from the lock pin jack, an evacuee can open the side window outwards by pushing the side window outwards, meanwhile, the evacuee can rotate the driving pulley coaxially connected by manually rotating the manual rotary disc so as to rotate the lock pin to withdraw from the lock pin jack, and in addition, the technical scheme is characterized in that the strengthening ring groove with a smaller cross section area is arranged in the middle of the lock pin, and the evacuee can rapidly impact the side window to break the lock pin at the position of the strengthening ring groove so as to unlock the side window and the vehicle body. Therefore, the technical scheme of the invention can realize unlocking between the side window and the vehicle body through automatic circuit control, manual rotation and manual impact, and multiple guarantee measures can ensure that the side window can be quickly and reliably turned outwards when an accident occurs to the vehicle.
Meanwhile, the technical scheme of the invention is that the ratchet wheel and the pawl are arranged, wherein the center of the ratchet wheel is fixedly connected with the end part of the pivot shaft, and the pawl is clamped into the tooth socket on the outer peripheral surface of the ratchet wheel by means of self gravity, so that the ratchet wheel can only rotate unidirectionally, the pivot shaft connected with the center of the ratchet wheel rotates by a certain angle along with the rotation, and finally, the opening position of the side window is kept at a certain shape, so that accidents in the escape process of personnel are avoided.
According to the technical scheme, the one-way clutch is arranged between the windowing motor and the driving pulley, so that torque can be transmitted to the direction of the driving pulley only by the windowing motor and the reverse direction can not be realized, manual rotation can be avoided, the windowing motor is blocked at a certain position in the rotation process of the driving pulley, and finally the opening amplitude of the side window is influenced.
According to the technical scheme, the damping device is arranged, the piston and the adapter are matched to enable the side window to be turned outwards rapidly in the outwards opening process, and in the recovery process, the side window is recovered at a relatively high damping effect and a relatively low speed through relatively high damping generated by the small through holes, so that the safety of the side window recovery process can be ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of an embodiment of an emergency window of a passenger vehicle according to the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a partial enlarged view at B in FIG. 1;
FIG. 4 is an enlarged view of a portion of FIG. 1 at C;
FIG. 5 is an enlarged view of a part of the structure in the direction D in FIG. 1;
FIG. 6 is an enlarged view of a portion of the structure in the direction E of FIG. 1;
fig. 7 is a schematic perspective view of a piston.
Reference numerals illustrate:
| reference numerals | Name of the name | Reference numerals | Name of the name |
| 1 | Vehicle body | 59 | Center hole |
| 2 | Side window | 6 | Adapter |
| 21 | Lockpin jack | 7 | Piston |
| 3 | Lock pin | 8 | Pivot shaft |
| 31 | Reinforcing ring groove | 9 | Ratchet wheel |
| 4 | Transition wheel | 91 | Tooth slot |
| 41 | Wire rope | 10 | Pawl for a bicycle |
| 5 | Damping device | 11 | Pawl adsorption electromagnet |
| 51 | Central oil cavity | 12 | Storage battery |
| 52 | Hydraulic oil chamber | 13 | Pawl switch |
| 53 | Nitrogen cavity | 14 | Window opening switch |
| 54 | Transition oil chamber | 15 | IC starting circuit |
| 541 | Valve core | 16 | Alarm device |
| 55 | Floating piston | 17 | Driving pulley |
| 56 | Small through hole | 18 | Manual rotary disk |
| 57 | Big through hole | 19 | Motor for opening window |
| 58 | Reset spring | 20 | One-way clutch |
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present invention, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
The invention provides an emergency window of a passenger car.
Referring to fig. 1 and 2, in the embodiment of the present invention, the passenger car emergency window includes a side window 2 pivotally connected to a car body 1 at the top, wherein in other embodiments of the present invention, the position where the side window 2 is pivotally connected to the car body 1 may be left, right, and lower of the side window 2. In this embodiment, the left side, right side and lower side edges of the side window 2 are respectively provided with a latch insertion hole 21 into which the latch 3 can be inserted, and at the same time, the vehicle body 1 is provided with a latch 3 which can be elastically extended along the side edge of the side window 2 to be inserted into the latch insertion hole 21, specifically, the root of the latch 3 of this embodiment is provided with a spring to push the latch 3 forward. The emergency window of the passenger car of the embodiment further comprises a window opening motor 19, wherein the output end of the window opening motor 19 is connected with the center of the driving pulley 17, so that the window opening motor 19 drives the driving pulley 17 to rotate, meanwhile, the outer peripheral surface of the driving pulley 17 is wound with a plurality of steel wire ropes 41, the plurality of steel wire ropes 41 are respectively wound around the transition wheel 4 and then are connected with the end part of the lock pin 3, and in terms of circuit control, the window opening motor 19 is sequentially electrically connected with the window opening switch 14 and the storage battery 12 through wires.
When the passenger car emergency window is in a non-emergency state, the side window 2 is sealed with the car body 1, so that the environment in the car is kept well silent, and the side and the lower part of the side window 2 are respectively provided with the lock pin 3 to be inserted into the lock pin insertion holes 21 at the corresponding positions of the side window 2, so that obvious shaking between the side window 2 and the car body 1 can not occur in the running process of the car, and the tightness of the side window 2 is influenced. When the side window 2 needs to be opened accidentally, the windowing motor 19 is conducted with the storage battery 12 by pressing the windowing switch 14 arranged near the driving position, the windowing motor 19 drives the driving pulley 17 to rotate, more parts of the steel wire rope 41 are wound on the outer peripheral surface of the driving pulley 17, correspondingly, the other end of the steel wire rope 41 bypassing the transition wheel 4 pulls the lock pin 3 to squeeze the spring and move towards the root direction of the lock pin, the part of the lock pin 3 originally inserted into the lock pin jack 21 is withdrawn from the lock pin jack 21, and the windowing motor 19 continuously drives the driving pulley 17, so that the lock pin 3 is kept in a state of pressing the spring after withdrawn from the lock pin jack 21, and is not reset and ejected by the spring, at the moment, a user can conveniently push the side window 2 outwards, and a larger escape space is reserved between the side window 2 and the vehicle body 1, so that the user can conveniently escape outwards.
Referring to fig. 1 and 2, in addition, the driving pulley 17 of the present embodiment is coaxially and fixedly connected with the manual rotary disc 18, and if the wires connected among the battery 12, the window switch 14 and the window motor 19 are disconnected and the locking pin 3 cannot be released from the locking pin jack 21 due to accident, the evacuee rotates the manual rotary disc 18 manually to drive the central shaft connected with the manual rotary disc 18 to rotate, so that the driving pulley 17 correspondingly rotates, and finally the driving pulley 17 tightens the steel wire rope 41 to separate the locking pin 3 from the locking pin jack 21.
Referring to fig. 1, 2 and 6, the central shaft end of the driving pulley 17 of the present embodiment is connected to the output shaft end of the windowing motor 19 through the one-way clutch 20, so that the windowing motor 19 can only transmit power to the driving pulley 17 through the one-way clutch 20 and cannot transmit reverse torque to the windowing motor 19 through the driving pulley 17, and thus, the dangerous situation that the evacuee cannot twist the manual rotary disc 18 and finally cannot window due to jamming of the windowing motor 19 when torque is transmitted to the windowing motor 19 can be prevented.
Referring to fig. 1, in order to improve the alarm prompting effect of the emergency window of the passenger car according to the present embodiment, an IC starting circuit 15 is disposed in parallel between a window switch 14 and a window motor 19, and the IC starting circuit 15 is provided with an alarm 16, so that when the window switch is pressed, the IC starting circuit 15 is conducted with the battery 12, and accordingly the alarm 16 continuously sends out an alarm prompt, so that an evacuee can learn an alarm in time.
Referring to fig. 1 and 2, in addition, since the locking pin 3 in the emergency window of the passenger car is inserted into the locking pin insertion hole 21, if the steel wire rope 41 is disconnected or the window switch 14 fails, the window motor 19 cannot drive the driving pulley 17 to rotate, which causes serious life-threatening to the evacuee. Therefore, in this embodiment, by providing the stiffening ring groove 31 at the middle portion of the lock pin 3, the cross-sectional area of the lock pin 3 at the position is reduced, so when the vehicle is unexpected and the vehicle cannot be driven to open by the opening motor 19 or the side window 2 cannot be opened by manually rotating the manual rotary disk 18, an evacuee can open the side window 2 outwards by forcefully striking the side window 2 to break the lock pin 3 at the position of the stiffening ring groove 31, and it is required to say that, in order to reliably open the side window 2, the middle portion of the stiffening ring groove 31 should be opposite to or flush with the edge of the side window 2, so that in the process of crashing the side window 2, shearing force generated by striking is concentrated at the position of the stiffening ring groove 31, and the broken mouth of the shearing break of the stiffening ring groove 31 is flush with the edge of the side window 2, so that interference between the side window 2 and the vehicle body 1 in the process of outwards opening is avoided.
Referring to fig. 1, 3 and 5, since the top of the side window 1 is connected to the vehicle body 2 by the pivot shaft 8 in the present embodiment, when the side window 1 is opened outwards, the side window 1 is closed towards the vehicle body 2 under the action of gravity, and the side window 1 needs to be pushed out and supported continuously during the escape process of the passenger, so that the escape progress of the passenger is affected and the passenger with smaller force is greatly hindered. Therefore, in this embodiment, the end of the pivot shaft 8 pivotally connected to the side window 2 and the vehicle body 1 is axially connected to the ratchet 9, and a pawl 10 is disposed at the upper portion of the ratchet 9 and can be clamped into a tooth slot 91 on the outer peripheral surface of the ratchet 9, and a pawl-adsorbing electromagnet 11 is further disposed at the top of the pawl 10, and on the electrical circuit, the pawl-adsorbing electromagnet 11 is electrically connected to a pawl switch 13 and a battery 12 sequentially through wires. Through setting up ratchet 9 and pivot 8 and linking to each other to make side window 2 push away the process to automobile body 2, ratchet 9 takes place corresponding rotation along with pivot 8, and pawl 10 can drop downwards under the action of gravity and make its front end card go into ratchet 9 outer peripheral face's tooth socket 91, finally make ratchet 9's rotation can only unidirectional rotation and can not rotate backward, and through pawl 10 and ratchet 9 cooperation, make side window 2 outwards overturn in the process, can unidirectional outwards overturn and fix in a setting position and can not appear to be closed to automobile body 1, so the evacuee can smoothly pass through the side window 2 opening that remains unchanged and need not keep opening side window 2, and need when returning the state with automobile body 1 to side window 2, make pawl adsorption electromagnet 11 switch on with battery 12 through pressing ratchet switch 13, pawl adsorption electromagnet 11 adsorbs pawl 10 upwards and takes off the state of pegging graft with ratchet 9's tooth socket 91, then inwards overturn and make lockpin 3 reinsert into lockpin jack 21, side window 2 can conveniently keep closed with automobile body 1.
Referring to fig. 1 and 4, in order to achieve quick opening of the side window 2 and slow recovery during recovery of the side window 2, in this embodiment, the other end of the pivot shaft 8 is axially connected with the adapter 6, and the other end of the adapter 6 is provided with a groove, the inner circumferential surface of the groove is provided with an internal thread connected with the external thread of the end of the piston 7, as shown in fig. 7, the other end of the piston 7 is radially provided with two parallel surfaces, and the other end of the piston 7 provided with two parallel surfaces is inserted into the central oil chamber 51 of the damping device 5 and achieves axial movement of the piston 7, the right side of the damping device 5 is further provided with a hydraulic oil chamber 52, and a transition oil chamber 54 is further provided between the hydraulic oil chamber 52 and the central oil chamber 51, the left side of the hydraulic oil chamber 52 is further separated from the nitrogen gas chamber 53 filled with nitrogen gas by a floating piston 55, wherein the central oil chamber 51 is communicated with the hydraulic oil chamber 52 by a radially arranged small through hole 56, the transition oil chamber 54 is communicated with the hydraulic oil chamber 52 by a radially arranged large through hole 57, and the central oil chamber 51 is communicated with the transition oil chamber 54 by a central hole 59, the transition oil chamber 54 is arranged, the end of the piston 7 is provided with a stepped groove towards the end of the central 51, and the axial bottom surface of the damping device 5 is provided with a stepped groove by a reset spring 58, and the central bottom surface is sealed by a stepped groove 541. Preferably, the inner diameter of the large through hole 57 of the present embodiment is much larger than the inner diameter of the small through hole 56.
When the side window 2 of the present embodiment is turned outwards and opened, the adapter 6 is fixedly connected with the end of the pivot shaft 8, so that the adapter 6 also rotates along with the pivot shaft 8, because the other end of the adapter 6 is connected with one end of the piston 7 by threads, the adapter 6 rotates and drives the piston 7 to move towards the damping device 5, meanwhile, because the end of the piston 7 is two planes parallel to each other, the piston 7 is caused to translate axially only, so that the actual acting volume of the central oil cavity 51 is reduced, hydraulic oil enters the hydraulic oil cavity 52 through the small through holes 56, the pressure of the hydraulic oil in the central oil cavity 51 is continuously increased due to the small inner diameter and the small number of the small through holes 56, so that finally the valve core 541 is pushed to move rightwards against the return spring 58, and the hydraulic oil with large pressure enters the transition oil cavity 54 through the central hole 59, and finally enters the hydraulic oil cavity 52 quickly through the large through holes 57 with large inner diameter and large number. As the hydraulic oil continuously enters the hydraulic oil chamber 52, the hydraulic oil pushes the floating piston 55 to move into the nitrogen gas chamber 53 and continuously compresses and reduces the actual acting volume of the nitrogen gas chamber 53, so that the side window 2 can be rapidly opened outwards in the process of opening the side window 2 outwards.
When the side window 2 needs to be turned inwards for recovery, the adapter 6 is rotated reversely through the pivot shaft 8, and then the piston 7 is pulled to move away from the damping device 5 through the threaded connection structure, meanwhile, the actual acting volume of the central oil cavity 51 is continuously increased, meanwhile, the volume expansion of the nitrogen air cavity 53 is recovered, hydraulic oil in the hydraulic oil cavity 52 is enabled to slowly enter the central oil cavity 51 only through the small through hole 56, and after the hydraulic oil enters the transition oil cavity 54 from the hydraulic oil cavity 52, the valve core 541 is pushed to the bottom of the stepped groove by the hydraulic oil, so that the hydraulic oil in the transition oil cavity 54 cannot enter the central oil cavity 51 through the central hole 59, and the hydraulic oil can be slowly recovered in a large damping mode in the inward recovery process of the side window 2, so that the side window 2 can be prevented from being recovered quickly and directly impinging on the vehicle body 1 to cause the side window 2 to be broken or hurt personnel.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the specification and drawings of the present invention or direct/indirect application in other related technical fields are included in the scope of the present invention.
Claims (5)
1. The passenger car emergency window is characterized by comprising a side window, wherein the top of the side window is pivotally connected with a car body, locking pin insertion holes capable of being inserted with locking pins are respectively formed in the left side, the right side and the lower side edges of the side window, and the car body is provided with locking pins capable of elastically extending along the side edges of the side window and inserted into the locking pin insertion holes; the emergency window of the passenger car further comprises a window opening motor, the output end of the window opening motor is connected with the center of the driving pulley, a plurality of steel wire ropes are wound on the peripheral surface of the driving pulley, the steel wire ropes are respectively connected with the end parts of the lock pins after passing through the ferryboat, and the window opening motor is electrically connected with a window opening switch and a storage battery in sequence through wires;
the side window is axially connected with the end part of a pivot shaft which is pivotally connected with the vehicle body, a pawl is arranged at the upper part of the ratchet and can be clamped into a tooth slot on the surface of the outer peripheral surface of the ratchet, a pawl adsorption electromagnet is further arranged at the top of the pawl and can adsorb the pawl upwards, and the pawl adsorption electromagnet is electrically connected with the pawl switch and the storage battery in sequence through a lead;
the driving pulley is coaxially and fixedly connected with a manual rotating disc, and the manual rotating disc can be manually rotated to enable the driving pulley to rotate;
the other end of the pivot shaft is axially connected with an adapter, the other end of the adapter is provided with a groove, the inner circumferential surface of the groove is provided with an internal thread and is connected with the external thread of the end part of the piston, the radial periphery of the other end of the piston is provided with two parallel surfaces, the other end of the piston is inserted into a central oil cavity of the damping device and axially translates, the right side of the damping device is also provided with a hydraulic oil cavity, a transition oil cavity is also arranged between the hydraulic oil cavity and the central oil cavity, and the left end part of the hydraulic oil cavity is further separated from a nitrogen cavity filled with nitrogen through a floating piston; the central oil cavity is connected with the hydraulic oil cavity through a small radial through hole, the transition oil cavity is connected with the hydraulic oil cavity through a large radial through hole, the central oil cavity is connected with the transition oil cavity through a central hole, a stepped groove is formed in the end portion, facing the central oil cavity, of the transition oil cavity, and an axially arranged valve core is pressed on the bottom surface of the stepped groove through a reset spring and seals the central hole.
2. A passenger vehicle emergency window according to claim 1, wherein the central shaft end of the driving pulley is connected to the central shaft of the windowing motor by a one-way clutch.
3. The passenger vehicle emergency window of claim 2, wherein an IC start circuit is connected in parallel between the window switch and the window motor, and the IC start circuit is provided with an alarm.
4. A passenger car emergency window according to claim 3, wherein a stiffening ring groove is formed in the outer peripheral surface of the middle portion of the lock pin, and the middle portion of the stiffening ring groove is opposite to the edge of the side window.
5. A passenger vehicle emergency window according to claim 4, wherein the inner diameter of the large through holes is larger than the inner diameter of the small through holes, and the number of large through holes is larger than the number of small through holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811471614.2A CN109466284B (en) | 2018-12-04 | 2018-12-04 | Emergency window for passenger car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811471614.2A CN109466284B (en) | 2018-12-04 | 2018-12-04 | Emergency window for passenger car |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109466284A CN109466284A (en) | 2019-03-15 |
| CN109466284B true CN109466284B (en) | 2023-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811471614.2A Active CN109466284B (en) | 2018-12-04 | 2018-12-04 | Emergency window for passenger car |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112061066A (en) * | 2019-06-11 | 2020-12-11 | 山东交通学院 | Bus escape window capable of realizing simultaneous escape of all passengers |
| CN111332109B (en) * | 2020-04-03 | 2022-04-19 | 肇庆学院 | Quick self-rescue car window |
| CN112120368A (en) * | 2020-10-22 | 2020-12-25 | 皖江工学院 | Intelligent bending umbrella and working method and control system thereof |
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| CN109466284A (en) | 2019-03-15 |
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