CN211524489U - Full-quick-opening emergency control gas circuit for opening all doors of vehicle by driver emergency valve - Google Patents
Full-quick-opening emergency control gas circuit for opening all doors of vehicle by driver emergency valve Download PDFInfo
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- CN211524489U CN211524489U CN202020102819.XU CN202020102819U CN211524489U CN 211524489 U CN211524489 U CN 211524489U CN 202020102819 U CN202020102819 U CN 202020102819U CN 211524489 U CN211524489 U CN 211524489U
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- 230000009471 action Effects 0.000 claims abstract description 25
- 230000001629 suppression Effects 0.000 claims description 21
- 238000007599 discharging Methods 0.000 claims description 2
- 230000005764 inhibitory process Effects 0.000 claims description 2
- 230000007246 mechanism Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 12
- 230000002401 inhibitory effect Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000000452 restraining effect Effects 0.000 description 3
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Abstract
The utility model discloses a full quick-opening emergency control gas circuit for opening all doors of a vehicle by a driver emergency valve, which comprises a door opening control unit, a driver control unit and a door opening action unit, wherein the driver quick-opening emergency valve, the vehicle external quick-opening emergency valve and the vehicle internal quick-opening emergency valve are respectively connected with a control valve by signals, and the control valve gas circuit is switched to be in a power-on gas circuit state when the quick-opening emergency valve is controlled to act; a three-way valve I is added to the door opening action unit, and a driver quickly opens an emergency valve B port and is connected with the air cylinder after being directly connected with the three-way valve I through a joint control valve. In emergency, no matter the vehicle door is in a closed or open state, all the vehicle doors can be quickly opened by operating the quick-opening emergency valve of the driver, and the quick-opening emergency valve reset operation door is also always in an open state.
Description
Technical Field
The utility model relates to a gas circuit field of control vehicle door switching, more specifically say, it relates to a driver emergency valve opens the emergent control gas circuit of opening fast entirely of all doors of vehicle.
Background
The vehicle door is closed in the driving process and opened when passengers get on or off the vehicle during parking. A control button is arranged at a driver and is controlled by a circuit. If the emergency occurs, the circuit is disconnected, then a quick-opening emergency valve arranged at a door opening or a driver is opened, residual air in the air cylinder is discharged, and an air path emergency measure is adopted to open the vehicle door. The applicant previously filed a utility model patent "vehicle door emergency opening gas circuit system for automatic quick opening at driver's door opening" (application number: 2019209779870) to solve this problem, as shown in fig. 2, but found that when the quick opening emergency valve is operated to open the vehicle door, the door can be immediately re-closed once the reset operation is performed by mistake, and the vehicle door needs to be kept in an open state all the time in case of emergency escape, and the door or the door can easily injure passengers by opening or closing.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a solve driver emergency valve of above-mentioned problem and open the full quick-open emergency control gas circuit of all doors of vehicle, no matter under the vehicle door is in or opens or the state of closing, open all doors of driver quick-open emergency valve homoenergetic, open door opening department and open each door opening door by quick-open emergency valve, the maloperation resets and opens emergency valve soon, and the door is also in the open mode.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the full-quick-opening emergency control gas circuit for opening all doors of the vehicle by the driver emergency valve comprises a door opening control unit, a driver control unit and a door opening action unit;
the door opening control unit comprises an outside quick-opening emergency valve, an inside quick-opening emergency valve and a joint control valve, wherein the quick-opening emergency valve is a two-position four-way valve with a port P, a port A, a port B and a port R, the port PA is communicated with the port BR when the quick-opening emergency valve is not operated, and the port PB is communicated with the port AR when the quick-opening emergency valve is operated; the joint control valve is a multi-way pneumatic control valve with a P1 port, a P2 port, a P3 port and an A port, air is respectively fed from the P1 port, the P2 port and the P3 port, only the A port is used for air outlet, and air is fed from the A port, and air is optionally discharged from the P1 port, the P2 port and the P3 port;
the driver control unit comprises a driver quick-opening emergency valve,
the door opening action unit comprises an air cylinder and a control valve, the control valve is a two-position five-way electromagnetic valve with an R port, a P port, an S port, an A port and a B port, the PA port and the BS port of the control valve are communicated when the control valve is not electrified, the PB port and the RA port are communicated when the control valve is electrified, a piston rod of the air cylinder is connected with a door mechanism,
the driver quick-opening emergency valve, the vehicle external quick-opening emergency valve and the vehicle internal quick-opening emergency valve are respectively in signal connection with the control valve, and the control valve gas circuit is switched to be in a power-on gas circuit state by controlling the quick-opening emergency valve to act;
the door opening action unit also comprises a three-way valve I, wherein the three-way valve I is provided with an opening A, an opening B and an opening C, the opening A or the opening B is used for air inlet, and the opening C is used for air outlet, and the opening C is used for air inlet and the opening A is used for air outlet;
the air storage cylinder is connected with a P port of a driver quick-opening emergency valve, an A port of the driver quick-opening emergency valve is connected with a P port of an external quick-opening emergency valve, the A port of the external quick-opening emergency valve is connected with a P port of an internal quick-opening emergency valve, the A port of the internal quick-opening emergency valve is connected with the P port of a control valve of a door opening action unit, the A port of the control valve is connected with a front end air port of an air cylinder, the B port of the driver quick-opening emergency valve is connected with a P1 port of a joint control valve, the B port of the external quick-opening emergency valve is connected with a P2 port of the joint control valve, the B port of the internal quick-opening emergency valve is connected with a P3 port of the joint control valve, the A port of the joint control valve is connected with an IB port of a three-way valve I, the A port.
The further improvement scheme is that the door opening action units and the door opening control units are connected in parallel into the driver control unit in two or more numbers, the port A of the driver quick-opening emergency valve is connected with the port P of the vehicle-outside quick-opening emergency valve of each door opening through a tee branch, and the port B of the driver quick-opening emergency valve is connected with the port P1 of the joint control valve of each door opening control unit through a tee branch. When the vehicle door has a plurality of doors, such as front, middle and rear doors, the door opening can only control the door of each door opening, and the emergency valve at the driver can also control a plurality of doors by one valve.
The further improvement scheme is that the door opening control unit also comprises a three-way valve II;
the driver control unit also comprises an inhibiting valve which is a two-position five-way single-coil electromagnetic valve with an R port, a P port, an S port, an A port and a B port, wherein the PA port is communicated with the BS port when the inhibiting valve is not electrified, and the PB port is communicated with the AB port when the inhibiting valve is electrified;
the air cylinder is connected with a port P of the suppression valve, a port B of the suppression valve is connected with a port B of the three-way valve II, and a port A of the suppression valve is connected with a port P of the driver quick-opening emergency valve; and the port A of the quick-opening emergency valve in the automobile is connected with the port A of the three-way valve II, and the port C of the three-way valve II is connected with the port P of the control valve of the door opening action unit.
When the vehicle is in the driving process, the gas circuit can jump over the emergency valve at the driver and the door opening through the control of the inhibiting valve, the emergency valve is invalid no matter how to operate the emergency valve, the situation that the emergency valve is operated by a passenger in the driving process to open the door is avoided, and danger is avoided.
The improved scheme is that the door opening action units and the door opening control units are connected in parallel into a driver control unit in two or more numbers, a port B of the inhibition valve is connected with a port II B of a three-way valve of each door opening through a three-way branch, a port A of the driver quick-opening emergency valve is connected to a port P of the vehicle-outside quick-opening emergency valve of each door opening through a three-way branch, and a port B of the driver quick-opening emergency valve is connected to a port P1 of a joint control valve of each door opening control unit through a three-way branch. The control of the inhibiting valve can enable the air passage to jump over the emergency valve at the driver and each door opening.
The utility model discloses beneficial effect:
the emergency valve at each door opening can be controlled to rapidly open the vehicle door at the door opening, the emergency valve at the driver can be controlled, the operation of opening all the vehicle doors can be simultaneously realized no matter whether the vehicle door of each door opening is in an opening state, the emergency valve at the driver and each door opening is operated to reset, the vehicle doors cannot be closed, and all the vehicle doors are always kept in an opening state in an emergency escape state.
Drawings
FIG. 1 is a schematic diagram of various valve configurations, wherein a is a quick-opening emergency valve, b is a combination control valve, c is a three-way valve, d is a suppression valve, and e is a control valve;
FIG. 2 is a connection diagram of an original gas circuit;
FIG. 3 is a gas circuit connection diagram of the embodiment;
FIG. 4 is a schematic diagram of the air path state when the vehicle is stopped or at a speed of less than 5km and all valves are not operated;
FIG. 5 is a schematic diagram of the state of the air path when the vehicle is stopped or at a speed of less than 5km and the driver opens the emergency valve to operate the vehicle door to open according to the embodiment;
FIG. 6 is a schematic diagram of the state of the air path when the vehicle is stopped or at a speed of less than 5km and the driver quickly opens the emergency valve to reset the vehicle door open according to an embodiment;
FIG. 7 is a schematic view of the state of the air path when the vehicle door is operated to open by the external quick-opening emergency valve at the door opening when the vehicle is stopped or the vehicle speed is less than 5 km;
FIG. 8 is a schematic view of the state of the air path when the vehicle door is opened by resetting the outside quick-opening emergency valve at the door opening at a stop or at a speed of < 5km according to an embodiment;
FIG. 9 is a schematic diagram of the state of the air path when the suppression valve is powered on in the process of driving at a speed of 5km or more in the embodiment.
Detailed Description
The following embodiments are described by taking a two-door opening vehicle including a front door and a middle door as an example, as shown in fig. 1, wherein the quick-opening emergency valve is a two-position four-way valve having a P port, an a port, a B port and an R port, the PA port is communicated with the BR port when not operated, the PB port is communicated with the AR port when operated, and the KD-K300 type valve manufactured by kaida automotive accessories limited, huaian city; the joint control valve is a multi-way pneumatic control valve with a P1 port, a P2 port, a P3 port and an A port, air is respectively fed from the P1 port, the P2 port and the P3 port, only the A port is used for discharging air, air is fed from the A port, air is optionally discharged from the P1 port, the P2 port and the P3 port, and the valve is a KD-G400 type valve produced by Kaida automobile accessory limited company in Huaian city. The three-way valve is provided with an opening A, an opening B and an opening C, wherein the opening A or the opening B is used for air inlet, and the opening C is used for air outlet, and the opening C is used for air inlet, and the opening A is used for air outlet, and the KD-G300 type valve produced by Kaida automobile accessory limited company in Huaian city is provided; the suppression valve is a two-position five-way single-coil electromagnetic valve with an R port, a P port, an S port, an A port and a B port, the PA port is communicated with the BS port when the valve is not electrified, the PB port is communicated with the AR port when the valve is electrified, and the valve is a V210-06 type valve produced by Kaida automobile accessory limited company in Huai-an city; the control valve is a two-position five-way electromagnetic valve with an R port, a P port, an S port, an A port and a B port, the PA port and the BS port of the control valve are communicated when the control valve is not electrified, the AR port and the PB port of the control valve are communicated when the control valve is electrified, and the control valve is a V220-08 type valve produced by Kaida automobile accessory limited company in Huaian city; 4.5.5.1 according to the technical requirements of the China's republic of China transportation industry Standard GB 13094-2017, each power control passenger door, whether or not having power supply, can be opened from the inside of the vehicle when the passenger vehicle is static or runs at a speed less than or equal to 5km/h in an emergency, and can also be opened from the outside of the vehicle through an emergency controller when the vehicle door is unlocked. It h) when the driver-operated door does not meet the requirement of 4.5.5.7 b: after the emergency control has been actuated to open the door, it should not be closed if the driver does not actuate the door closing control.
As shown in fig. 3, the full-fast-opening emergency control gas circuit for the driver to open all doors of the vehicle comprises a door opening action unit, a door opening control unit and a driver control unit, wherein the door opening action unit comprises a cylinder 11, a control valve 12 and a three-way valve I13; the door opening control unit comprises an outside quick-opening emergency valve 21, an inside quick-opening emergency valve 22, a three-way valve II 23 and a joint control valve 24; the driver control unit comprises a driver quick-opening emergency valve 31 and a suppression valve 32; the driver quick-opening emergency valve 31, the vehicle external quick-opening emergency valve 21 and the vehicle internal quick-opening emergency valve 22 are respectively in signal connection with the control valve 12, and the quick-opening emergency valve acts to change the gas path of the control valve 12 to be in a power-on gas path state; the air storage cylinder 4 is connected with a P port of the suppression valve 32, an A port of the suppression valve 32 is connected with a P port of a driver quick-opening emergency valve 31, the A ports of the quick-opening emergency valves 31 are respectively connected to the P ports of the external quick-opening emergency valves 21 of the door opening control units through a tee joint, the A port of the external quick-opening emergency valve 21 is connected with the P port of the internal quick-opening emergency valve 22, and the A port of the internal quick-opening emergency valve 22 is connected to the A port of the three-way valve II 23; the port B of the suppression valve 32 is respectively connected to the port B of a three-way valve II 23 of each door opening control unit through a tee joint, the port C of the three-way valve II 23 is connected to the port P of a door opening action unit control valve 12, the port A of the control valve 12 is connected with the port at the front end of the cylinder, the port B of the driver quick-opening emergency valve 31 is respectively connected to the port P1 of a joint control valve 24 of each door opening control unit through a tee joint, the port B of the vehicle external quick-opening emergency valve 21 is connected with the port P2 of the joint control valve 24, the port B of the vehicle internal quick-opening emergency valve 22 is connected with the port P3 of the joint control valve 24, the port A of the joint control valve 24 is connected with the port 13B of a three-way valve I, the port A of the three-way valve I13 is connected with the port B of the control valve 12.
Fig. 4 is a schematic diagram of the state of the air path when the vehicle is stopped or the vehicle speed is less than 5km and all valves are not operated, and the air path trend is as follows:
at this time, the driver restraining valve 32 at the driver is not electrified, the PA ports of the driver restraining valve are communicated, all the valves are not controlled, the driver restraining valve is communicated with the PA port and the BR port of the quick-opening emergency valve at the door opening, and the PA port and the BS port of the control valve are communicated. The air inlet path is that an air source in the air storage cylinder 4 enters from an opening A through a port P of the suppression valve 32, enters from an opening A through a port P of the driver quick-opening emergency valve 31, branches to enter from an opening A through a port P of the external quick-opening emergency valve 21 at the door opening, enters from an opening A of the internal quick-opening emergency valve 22, enters from an opening C of the three-way valve II 23, enters into the door opening action unit, exits from an opening A through a port P of the control valve 12, and pushes a piston rod of the air cylinder 11 to tighten the door to close; at the moment, gas in the cylinder cavity is discharged from a gas port at the tail end of the cylinder, enters the port A through the port C of the three-way valve I13, enters the port S of the control valve 12 and is discharged, and a gas discharge path is formed.
If a driver performs normal door opening through the electrically controlled control valve 12 of the door opening and closing button, the control valve is electrified, the PB port is communicated with the AR port, gas in the cylinder enters the B port from the P port of the control valve 12 and exits from the C port from the A port of the three-way valve I13, enters the cylinder and reversely pushes the piston of the cylinder, and the gas in the cylinder enters the R port from the A port of the control valve 12 and opens the door.
Fig. 5 is a schematic diagram of the state of the air path when the vehicle is stopped or the vehicle speed is less than 5km and the driver quickly opens the emergency valve to operate the vehicle door to open, wherein the trend of the air path is as follows:
the control driver opens the emergency valve 31 quickly, the PB port is communicated with the AR port, the air passage of the control valve 12 of the door opening action unit is reversed, and the PB port is communicated with the AR port and the electrified air passage is communicated with the AR port. The gas in the gas path is discharged from the port B of the driver quick-opening emergency valve 31, enters the port A through the port P1 of the joint control valve 24, is discharged from the port B of the three-way valve I13, enters the cylinder and reversely pushes the piston, and the gas in the cylinder enters the port R from the port A of the control valve 12 to automatically and quickly open the vehicle door.
Fig. 6 is a schematic diagram of the state of the air path when the vehicle is stopped or the vehicle speed is less than 5km and the driver quickly opens the emergency valve to reset the vehicle door and opens, and the trend of the air path is as follows:
the reset driver quickly opens the emergency valve 31, the air passage of the control valve 12 of the door opening action unit is reversed, and the state of an electrified air passage is that the PB port is communicated with the AR port. The gas in the gas path flows out from the inlet B of the P port of the control valve 12 and flows out from the inlet C of the A port of the three-way valve I13, enters the cylinder to reversely push the piston, and the gas in the cylinder flows into the inlet R of the A port of the control valve 12 to keep the state of opening the vehicle door.
Fig. 7 is a schematic view of the state of the air path when the vehicle door is operated and opened by the external quick-opening emergency valve at the door opening when the vehicle is stopped or the vehicle speed is less than 5km, and the trend of the air path is as follows:
the PB port of the out-of-vehicle quick-opening emergency valve 21 at the door opening of the front door unit is controlled to be communicated, gas enters the port A and exits the port A through the joint control valve P2 and then enters the port C through the port B of the three-way valve I13 to exit the port C, the gas enters the cylinder to reversely push the piston, the gas in the cylinder exits from the port A of the control valve 12 to enter the port R, the front door is automatically and quickly opened, and the middle door is not controlled.
The quick-opening emergency valve 22 in the vehicle is operated and controlled in the same principle.
Fig. 8 is a schematic diagram of the state of the air path when the vehicle door is opened by resetting the external quick-opening emergency valve at the door opening when the vehicle is stopped or the vehicle speed is less than 5km, in the embodiment, the air path is as follows:
the opening PA of the quick-opening emergency valve 21 outside the automobile at the door opening of the reset front door unit is communicated, and the air passage of the control valve 12 of the door opening action unit of the front door unit is reversed to be in a state of a power-on air passage with a PB opening communicated and an AR opening communicated. Gas in the gas path flows out through an A port of the quick-opening emergency valve 21 outside the automobile, flows out through a P port of the quick-opening emergency valve 22 inside the automobile, flows out from an A port of the three-way valve II 23, flows into a P port of the control valve 12, flows out from a B port, flows out through an A port of the three-way valve I13, flows into the cylinder, reversely pushes the piston, flows out from an A port of the control valve 12, flows out from an R port, keeps the automobile door open, and is not controlled.
According to the technical requirements of special safety facilities of vehicles of urban public vehicles and electric vehicles in the China's republic of people's republic of China standard JT-T1240-2019, the inhibiting function of the 5.7 passenger door controller is that when the vehicles normally run at a speed of more than 5km/h, the passenger door controller is in an inhibited state, so that the safety of passengers is endangered due to the fact that the doors are opened because the emergency valves are operated during the running of the vehicles is prevented; FIG. 9 is a schematic diagram of the state of the gas circuit when the suppression valve is powered on in the driving process of the embodiment at a speed of 5km or more, and the gas circuit trends are as follows:
at this point the driver energizes the suppression valve 32, which communicates with port PB. The air inlet path is that the air source in the air storage cylinder 4 enters from a P port and exits from a B port of a suppression valve 32 at a driver, is directly branched to enter from a B port and exit from a C port of a three-way valve II 23 at each door opening, enters into a door opening action unit, enters from the P port and exits from an A port of a control valve 12, pushes a piston rod of an air cylinder to tighten a vehicle door to be closed, and skips over a driver quick-opening emergency valve 31 at the driver, an external quick-opening emergency valve 21 at the door opening and an internal quick-opening emergency valve 22 at the vehicle, and at the moment, the operation is invalid no matter the driver quick-opening emergency valve or the internal and external quick-opening emergency valve at the door.
Claims (4)
1. The full-quick-opening emergency control gas circuit for opening all doors of the vehicle by the driver emergency valve comprises a door opening control unit, a driver control unit and a door opening action unit;
the door opening control unit comprises an outside-vehicle quick-opening emergency valve (21), an inside-vehicle quick-opening emergency valve (22) and a joint control valve (24), the quick-opening emergency valve is a two-position four-way valve with a port P, a port A, a port B and a port R, the port PA is communicated with the port BR when the quick-opening emergency valve is not operated, and the port PB is communicated with the port AR when the quick-opening emergency valve is operated; the joint control valve (24) is a multi-way pneumatic control valve with a P1 port, a P2 port, a P3 port and an A port, air is respectively fed from the P1 port, the P2 port and the P3 port, only the A port is used for discharging air, and air is fed from the A port, and is optionally discharged from the P1 port, the P2 port and the P3 port;
the driver control unit comprises a driver quick-opening emergency valve (31),
the door opening action unit comprises an air cylinder (11) and a control valve (12), the control valve is a two-position five-way electromagnetic valve with an R port, a P port, an S port, an A port and a B port, the PA port of the control valve is communicated with the BS port when the control valve is not electrified, the PB port is communicated with the RA port when the control valve is electrified, a piston rod of the air cylinder (11) is connected with a door mechanism, and the door opening action unit is characterized in that:
the driver quick-opening emergency valve (31), the vehicle external quick-opening emergency valve (21) and the vehicle internal quick-opening emergency valve (22) are respectively in signal connection with the control valve (12), and the air passage of the control valve (12) is reversed to be in an electrified air passage state when the quick-opening emergency valve is operated to act;
the door opening action unit also comprises a three-way valve I, wherein the three-way valve I is provided with an opening A, an opening B and an opening C, the opening A or the opening B is used for air inlet, and the opening C is used for air outlet, and the opening C is used for air inlet and the opening A is used for air outlet;
the air storage cylinder (4) is connected with a P port of a driver quick-opening emergency valve (31), an A port of the driver quick-opening emergency valve (31) is connected with a P port of an external quick-opening emergency valve (21), an A port of the external quick-opening emergency valve (21) is connected with a P port of an internal quick-opening emergency valve (22), the A port of the internal quick-opening emergency valve (22) is connected with a P port of a control valve (12) of a door opening action unit, the A port of the control valve (12) is connected with a front end air port of an air cylinder (11), the B port of the driver quick-opening emergency valve (31) is connected with a P1 port of a joint control valve (24), the B port of the external quick-opening emergency valve (21) is connected with a P2 port of the joint control valve (24), the B port of the internal quick-opening emergency valve (22) is connected with a P3 port of the joint control valve (24), the A port of the joint control valve (24) is connected with a B port of an I (13), and the A port of a three-way valve, the C port of the three-way valve I (13) is connected with the air port at the rear end of the air cylinder.
2. The driver emergency valve opens the full quick-open emergency control gas circuit of all doors of the vehicle according to claim 1, characterized in that: the door opening action units and the door opening control units are connected into the driver control unit in parallel in two or more numbers, the port A of the driver quick-opening emergency valve (31) is connected with the port P of the vehicle-outside quick-opening emergency valve (21) of each door opening through a three-way branch, and the port B of the driver quick-opening emergency valve (31) is connected with the port P1 of the joint control valve (24) of each door opening control unit through a three-way branch.
3. The driver emergency valve opens the full quick-open emergency control gas circuit of all doors of the vehicle according to claim 1, characterized in that:
the door opening control unit also comprises a three-way valve II (23);
the driver control unit also comprises a suppression valve (32), the suppression valve is a two-position five-way single-coil electromagnetic valve with an R port, a P port, an S port, an A port and a B port, the PA port is communicated with the BS port when the suppression valve is not electrified, and the PB port is communicated with the AB port when the suppression valve is electrified;
the air cylinder (4) is connected with a port P of the suppression valve (32), a port B of the suppression valve (32) is connected with a port B of the three-way valve II (23), and a port A of the suppression valve (32) is connected with a port P of the driver quick-opening emergency valve (31); an A port of the in-vehicle quick-opening emergency valve (22) is connected with an A port of a three-way valve II (23), and a C port of the three-way valve II (23) is connected with a P port of a control valve (12) of the door opening action unit.
4. The driver emergency valve opens the full quick-open emergency control gas circuit of all doors of the vehicle according to claim 3, characterized in that: the door opening action units and the door opening control units are connected into a driver position control unit in parallel in two or more numbers, the B port of the inhibition valve (32) is connected with the B port of a three-way valve II (23) of each door opening through a three-way branch, the A port of the driver quick-opening emergency valve (31) is connected to the P port of the vehicle outside quick-opening emergency valve (21) of each door opening through the three-way branch, and the B port of the driver quick-opening emergency valve (31) is connected to the P1 port of the joint control valve (24) of each door opening control unit through the three-way branch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020102819.XU CN211524489U (en) | 2020-01-17 | 2020-01-17 | Full-quick-opening emergency control gas circuit for opening all doors of vehicle by driver emergency valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020102819.XU CN211524489U (en) | 2020-01-17 | 2020-01-17 | Full-quick-opening emergency control gas circuit for opening all doors of vehicle by driver emergency valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211524489U true CN211524489U (en) | 2020-09-18 |
Family
ID=72459271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020102819.XU Expired - Fee Related CN211524489U (en) | 2020-01-17 | 2020-01-17 | Full-quick-opening emergency control gas circuit for opening all doors of vehicle by driver emergency valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211524489U (en) |
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2020
- 2020-01-17 CN CN202020102819.XU patent/CN211524489U/en not_active Expired - Fee Related
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