阅读说明：本技术 一种车门安全控制系统 (Car door safety control system ) 是由 竺伟杰 单晓荣 严瑞康 单军波 单谟君 于 2020-07-10 设计创作，主要内容包括：本发明公开了一种车门安全控制系统,包括气源、气缸、集成阀、按钮阀以及应急阀；集成阀包括第一换向阀、第二换向阀及第三换向阀,第一换向阀上分别设有进气A口和出气A口,第二换向阀分别设有进气B口、第一工作B口、第二工作B口、第一排气B口及第二排气B口,第三换向阀分别设有第一进气C口、第二进气C口、第一工作C口、第二工作C口及排气C口,第一换向阀的内部设有与进气A口配合的第一先导气道,第一换向阀通过换向动作控制进气A口与第一先导气道之间气路的通断,第一先导气道用于分别向第二换向阀、第三换向阀提供换向所需的先导气。本发明具备了功能多样、安全系数高以及有效保证乘客安全的优点。(The invention discloses a vehicle door safety control system, which comprises an air source, an air cylinder, an integrated valve, a button valve and an emergency valve, wherein the air cylinder is arranged on the vehicle door; the integrated valve comprises a first reversing valve, a second reversing valve and a third reversing valve, wherein the first reversing valve is provided with an air inlet A port and an air outlet A port, the second reversing valve is provided with an air inlet B port, a first working B port, a second working B port, a first air outlet B port and a second air outlet B port, the third reversing valve is provided with a first air inlet C port, a second air inlet C port, a first working C port, a second working C port and an air outlet C port, a first pilot air passage matched with the air inlet A port is arranged in the first reversing valve, the first reversing valve controls the on-off of an air passage between the air inlet A port and the first pilot air passage through reversing action, and the first pilot air passage is used for providing air guide needed by reversing for the second reversing valve and the third reversing valve. The invention has the advantages of multiple functions, high safety factor and effective guarantee of passenger safety.)

1. The utility model provides a door safety control system, includes air supply (1) and is used for opening and close cylinder (2) of door, its characterized in that: an integrated valve (3) used for controlling the cylinder (2) to act, a button valve (4) and an emergency valve (5) which are respectively matched with the integrated valve (3) are arranged between the air source (1) and the cylinder (2);

the integrated valve (3) comprises a first reversing valve (31), a second reversing valve (32) and a third reversing valve (33), the first reversing valve (31) is a two-position two-way electromagnetic reversing valve, and the second reversing valve (32) and the third reversing valve (33) are two-position five-way electromagnetic reversing valves;

the button valve (4) is matched with the second reversing valve (32), and the emergency valve (5) is matched with the third reversing valve (33); the third reversing valve (33) is used for charging a rod cavity and/or a rodless cavity of the cylinder (2);

the first reversing valve (31) is provided with an air inlet A port (31.1) and an air outlet A port (31.2), the second reversing valve (32) is provided with an air inlet B port (32.1), a first working B port (32.2), a second working B port (32.3), a first air outlet B port (32.4) and a second air outlet B port (32.5), and the third reversing valve (33) is provided with a first air inlet C port (33.1), a second air inlet C port (33.2), a first working C port (33.3), a second working C port (33.4) and an air outlet C port (33.5);

the air inlet A port (31.1) is communicated with the air source (1), and the air inlet A port (31.1) is communicated with the air outlet A port (31.2); the air outlet A (31.2) is respectively communicated with the air inlet B (32.1) and the second air inlet C (33.2); the first working B port (32.2) is communicated with the first air inlet C port (33.1), and the second working B port (32.3) is communicated with the exhaust C port (33.5);

a first pilot air passage (31.3) matched with the air inlet A port (31.1) is arranged in the first reversing valve (31), the first reversing valve (31) controls the on-off of an air passage between the air inlet A port (31.1) and the first pilot air passage (31.3) through reversing action, and the first pilot air passage (31.3) is used for respectively providing pilot air needed by reversing for the second reversing valve (32) and the third reversing valve (33);

when the first pilot air channel (31.3) is communicated with the air inlet A port (31.1), the second reversing valve (32) is reversed by triggering the button valve (4) or electrifying the second reversing valve (32), and the third reversing valve (33) is reversed by triggering the emergency valve (5) or electrifying the third reversing valve (33).

2. A vehicle door safety control system as claimed in claim 1, wherein: and a filter (6) is connected in series between the air inlet A port (31.1) and the air source (1).

3. A vehicle door safety control system as claimed in claim 1, wherein: the button valve (4) and the emergency valve (5) are both two-position three-way manual reversing valves.

4. A vehicle door safety control system as claimed in claim 1, wherein: the first reversing valve (31) comprises a first valve body (311), a first valve rod (312) and a first guide seat (313), a first valve cavity (311.1) for the first valve rod (312) to move between a first station and a second station is formed in the first valve body (311), and the first guide seat (313) is arranged at one end of the first valve body (311);

a first pilot cavity (313.1) corresponding to the end of the first valve rod (312) is arranged in the first pilot seat (313), the first pilot cavity (313.1) is communicated with the air inlet A port (31.1) through a second pilot air channel (31.4), a first valve port (313.2) is arranged between the first pilot cavity (313.1) and the second pilot air channel (31.4), and a first coil assembly (314) for opening and closing the first valve port (313.2) is arranged on the first pilot seat (313).

5. The vehicle door safety control system according to claim 4, wherein: the second reversing valve (32) comprises a second valve body (321), a second valve rod (322), a second guide seat (323) and a third guide seat (324), a second valve cavity (321.1) for the second valve rod (322) to move between a third station and a fourth station is formed in the second valve body (321), and the second guide seat (323) and the third guide seat (324) are respectively arranged at two ends of the second valve body (321);

a third pilot cavity (323.1) corresponding to one end of the second valve rod (322) is arranged in the second pilot seat (323), the third pilot cavity (323.1) is communicated with the first pilot air channel (31.3), a second valve port (323.2) is arranged between the third pilot cavity (323.1) and the first pilot air channel (31.3), and a second coil assembly (325) for opening and closing the second valve port (323.2) is arranged on the second pilot seat (323);

a fourth pilot cavity (324.1) corresponding to the other end of the second valve rod (322) is arranged in the third pilot seat (324), the fourth pilot cavity (324.1) is communicated with the first pilot air channel (31.3), a third valve port (324.2) is arranged between the fourth pilot cavity (324.1) and the first pilot air channel (31.3), and a third coil assembly (326) for opening and closing the third valve port (324.2) is arranged on the third pilot seat (324).

6. The vehicle door safety control system according to claim 5, wherein: the third reversing valve (33) comprises a third valve body (331), a third valve rod (332) and a fourth guide seat (333), a third valve cavity (331.1) for the third valve rod (332) to move between a fifth station and a sixth station is formed in the third valve body (331), and the fourth guide seat (333) is arranged at one end of the third valve body (331);

a sixth pilot cavity (333.1) corresponding to one end of the third valve rod (332) is arranged in the fourth pilot seat (333), the sixth pilot cavity (333.1) is communicated with the first pilot air channel (31.3), a fourth valve port (333.2) is arranged between the sixth pilot cavity (333.1) and the first pilot air channel (31.3), and a fourth coil assembly (334) for opening and closing the fourth valve port (333.2) is arranged on the fourth pilot seat (333).

7. The vehicle door safety control system according to claim 6, wherein: a first cover plate (327) is arranged on the second guide seat (323) in a protruding mode, the first cover plate (327) is arranged at the other end of the third valve body (331) in a covering mode, and a fifth guide cavity (327.1) communicated with the third guide cavity (323.1) is arranged in the first cover plate (327).

8. A vehicle door safety control system as claimed in claim 7, wherein: a second cover plate (328) is convexly arranged on the third pilot seat (324), the second cover plate (328) is arranged at the other end of the first valve body (311) in a covering mode, and a second pilot cavity (328.1) communicated with the second pilot air channel (31.4) is arranged in the second cover plate (328).

Technical Field

The invention belongs to the technical field of vehicles, and particularly relates to a vehicle door safety control system.

Background

The doors of passenger cars and buses are necessary facilities for passengers to get on and off the vehicles, and the passengers often stop near the doors when the vehicles run and stop, so that the closing and safety of the doors in the running and stopping processes of the vehicles are always important concerns.

Most of the existing vehicle doors are driven by air source power, the opening and closing actions of the vehicle doors are mainly controlled by electromagnetic valves, only the opening and closing actions are carried out, and although basic functions can be realized, certain potential safety hazards exist. According to the requirements of national standards, emergency valves are arranged inside and outside a vehicle body near a vehicle door and used for cutting off the air supply input of the vehicle door and discharging residual air in emergency situations, so that the passenger door can be opened manually, but the emergency valves also have potential safety hazards, and when a vehicle runs, a passenger who does not know the safety operation mistakenly operates the emergency valves to open the vehicle door, or some lawless persons intentionally operate the emergency valves to forcibly open the vehicle door, so that the safety of the passenger can be endangered.

At present, the door generally sets up in driver's field of vision scope, perhaps shows in driver's field of vision through the image of making a video recording transmission, just opens the door when the driver observes someone needs to get off the car, in case the passenger is more disturbs driver's sight very easily to influence the driver and to the judgement of the passenger circumstances of getting off, appear opening and close the door and press from both sides the passenger's circumstances in time.

Disclosure of Invention

The invention aims to provide a vehicle door safety control system aiming at the defects and shortcomings of the prior art, and the vehicle door safety control system has the advantages of multiple functions, high safety factor and capability of effectively ensuring the safety of passengers.

The technical scheme adopted by the invention for solving the technical problems is as follows: a vehicle door safety control system comprises a gas source and a cylinder for opening and closing a vehicle door, wherein an integrated valve for controlling the cylinder to act, a button valve and an emergency valve which are respectively matched with the integrated valve are arranged between the gas source and the cylinder;

the integrated valve comprises a first reversing valve, a second reversing valve and a third reversing valve, the first reversing valve is a two-position two-way electromagnetic reversing valve, and the second reversing valve and the third reversing valve are two-position five-way electromagnetic reversing valves;

the button valve is matched with the second reversing valve, and the emergency valve is matched with the third reversing valve; the third reversing valve is used for inflating a rod cavity and/or a rodless cavity of the cylinder;

the first reversing valve is respectively provided with an air inlet A port and an air outlet A port, the second reversing valve is respectively provided with an air inlet B port, a first working B port, a second working B port, a first air outlet B port and a second air outlet B port, and the third reversing valve is respectively provided with a first air inlet C port, a second air inlet C port, a first working C port, a second working C port and an air outlet C port;

the air inlet A is communicated with the air source, and the air inlet A is communicated with the air outlet A; the air outlet A is communicated with the air inlet B and the second air inlet C respectively; the first working port B is communicated with the first air inlet port C, and the second working port B is communicated with the exhaust port C;

a first pilot air passage matched with the air inlet A is arranged in the first reversing valve, the first reversing valve controls the connection and disconnection of an air passage between the air inlet A and the first pilot air passage through reversing action, and the first pilot air passage is used for respectively providing pilot air needed by reversing for the second reversing valve and the third reversing valve;

when the first pilot air passage is communicated with the air inlet A, the second reversing valve is triggered or electrified to reverse, and the emergency valve is triggered or the third reversing valve is electrified to reverse.

Furthermore, a filter is connected between the air inlet A and the air source in series, so that the cleanness of air is ensured, and the blockage of an internal channel of the integrated valve is avoided.

Furthermore, the button valve and the emergency valve are both two-position three-way manual reversing valves, so that the operation is convenient.

Furthermore, the first reversing valve comprises a first valve body, a first valve rod and a first pilot seat, a first valve cavity for the first valve rod to move between a first station and a second station is formed in the first valve body, and the first pilot seat is arranged at one end of the first valve body;

the first pilot seat is internally provided with a first pilot cavity corresponding to the end part of the first valve rod, the first pilot cavity is communicated with the air inlet A port through a second pilot air passage, a first valve port is arranged between the first pilot cavity and the second pilot air passage, and the first pilot seat is provided with a first coil assembly for opening and closing the first valve port.

Further, the second reversing valve comprises a second valve body, a second valve rod, a second pilot seat and a third pilot seat, a second valve cavity for the second valve rod to move between a third station and a fourth station is formed in the second valve body, and the second pilot seat and the third pilot seat are respectively arranged at two ends of the second valve body;

a third pilot cavity corresponding to one end of the second valve rod is arranged in the second pilot seat, the third pilot cavity is communicated with the first pilot air passage, a second valve port is arranged between the third pilot cavity and the first pilot air passage, and a second coil assembly for opening and closing the second valve port is arranged on the second pilot seat;

a fourth pilot cavity corresponding to the other end of the second valve rod is arranged in the third pilot seat, the fourth pilot cavity is communicated with the first pilot air passage, a third valve port is arranged between the fourth pilot cavity and the first pilot air passage, and a third coil assembly for opening and closing the third valve port is arranged on the third pilot seat.

Furthermore, the third reversing valve comprises a third valve body, a third valve rod and a fourth pilot seat, a third valve cavity for the third valve rod to move between a fifth station and a sixth station is formed in the third valve body, and the fourth pilot seat is arranged at one end of the third valve body;

a sixth pilot cavity corresponding to one end of the third valve rod is arranged in the fourth pilot seat, the sixth pilot cavity is communicated with the first pilot air passage, a fourth valve port is arranged between the sixth pilot cavity and the first pilot air passage, and a fourth coil assembly for opening and closing the fourth valve port is arranged on the fourth pilot seat.

Furthermore, a first cover plate is arranged on the second pilot seat in a protruding mode, the first cover plate is arranged at the other end of the third valve body in a covering mode, and a fifth pilot cavity communicated with the third pilot cavity is formed in the first cover plate.

Furthermore, a second cover plate is arranged on the third pilot seat in a protruding mode, the second cover plate is arranged at the other end of the first valve body in a covering mode, and a second pilot cavity communicated with the second pilot air passage is formed in the second cover plate.

The invention has the beneficial effects that: when the first pilot air passage is communicated with the air inlet A, the second reversing valve is electrified by triggering the button valve, so that the direction of gas flow is changed, the piston in the cylinder is switched between extension and retraction, and the connected vehicle door is switched between opening and closing, so that one-key opening is realized, and the vehicle door is convenient and quick to open; when an emergency situation occurs or a passenger is clamped by a vehicle door, the emergency valve can be triggered or the third reversing valve is electrified under the condition that the first pilot air channel is communicated with the air inlet A, the third reversing valve is reversed, so that the first working C port and the second working C port are both output with gas, the rod cavity and the rodless cavity of the cylinder are both inflated, the pressures at two ends of a piston in the cylinder are relatively balanced, the connected vehicle door stops acting, the anti-clamping is realized, the passenger is prevented from being clamped, and the safety of the passenger is ensured; when the first pilot air passage is not communicated with the air inlet A, no air is firstly input into the second reversing valve and the third reversing valve, at the moment, the second reversing valve and/or the third reversing valve are/is electrified or the emergency valve and/or the button valve are triggered; generally, the emergency valve has multiple functions of one-key quick opening, emergency valve shielding and clamping prevention, the safety coefficient is improved, and the safety of passengers is effectively guaranteed.