CN216200812U

CN216200812U - Novel emergency valve for passenger car

Info

Publication number: CN216200812U
Application number: CN202122301997.2U
Authority: CN
Inventors: 张广显; 黄福良; 夏辉
Original assignee: Guotang Automobile Co Ltd
Current assignee: Guotang Automobile Co Ltd
Priority date: 2021-09-23
Filing date: 2021-09-23
Publication date: 2022-04-05
Anticipated expiration: 2031-09-23

Abstract

The utility model relates to a novel emergency valve for a passenger car, which comprises an outer cover, a base body and an inner valve, wherein the outer cover is hinged with the base body; the valve body is provided with an air inlet, an air outlet and a quick release port which are communicated with the valve cavity; the valve core shaft is provided with a convex structure, and the movable convex structure of the valve core shaft shields the air port to realize air path switching; the utility model has the advantages of reliable structure, convenient operation, high function integration level, convenient improvement of vehicle reliability and cost reduction.

Description

Novel emergency valve for passenger car

Technical Field

The utility model relates to an emergency valve, and particularly discloses a novel emergency valve for a passenger car.

Background

The passenger car emergency valve is an important part on a passenger car, and the conventional passenger car emergency valve has the function of quickly opening a car door under emergency conditions so as to facilitate evacuation of people in the car. Because the current passenger train uses compressed air as the auxiliary power of opening a door in a large number, the emergency valve has played the effect of cutting off passenger's door gas circuit fast more, therefore the emergency valve is commonly called bleed valve.

The traditional passenger car emergency valve mostly uses a rotary valve, and the rotary valve has a plurality of disadvantages. The rotary valve is mostly square structure, and the trachea connects and need connect at the outside extension gas circuit of square, and occupation space is great.

A passenger car driver needs to install a boarding switch independently when getting on the bus, and the switch is turned on when getting on the bus, so that the manufacturing cost of the passenger car is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: the novel emergency valve for the passenger car is reliable in structure, convenient to operate, high in function integration level, convenient to improve the reliability of the car and capable of reducing cost.

The technical scheme adopted by the utility model is as follows:

a novel emergency valve for a passenger car comprises an outer cover, a base body and an inner valve, wherein the outer cover is hinged with the base body, the inner valve is arranged on the back of the base body, the inner valve comprises a valve body and a valve core shaft, and the valve body is provided with a valve cavity inserted with the valve core shaft; the valve body is provided with an air inlet, an air outlet and a quick release port which are communicated with the valve cavity; the valve core shaft is provided with a protruding structure, and the moving protruding structure of the valve core shaft shields the air port to realize air circuit switching.

Furthermore, a toggle switch is connected with the valve core shaft.

Further, the device also comprises an inner cover and a slide sheet, wherein the inner cover is arranged between the outer cover and the base body; the inner cover is provided with an identification port; the slip sheet is arranged on the back face of the inner cover and connected with the toggle switch to follow up, and the moving of the slip sheet switches the marks on the visible slip sheet of the mark port.

The valve comprises a valve body, a valve core shaft, a valve cover, a valve core shaft, a conductive positioning plate, two contact plates and a return spring, wherein the valve cover is arranged at one end of the valve body; the contact plate is electrically connected with the door opening and closing signal generator; the reset spring is sleeved on the valve core shaft, the upper end of the reset spring is connected with the valve cover in the valve cover, and the lower end of the reset spring is connected with the conductive positioning plate.

In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that:

the utility model has simple structure and convenient operation, the working position of the valve body can be clearly known by the identification port, and the utility model is humanized and has good safety; meanwhile, the air path connectors are arranged on two sides, the occupied size is small, the structure is reliable, the effect of opening the door of a passenger car driver is combined, the function integration level is high, the reliability of the car is convenient to improve, and the cost is reduced.

Drawings

FIG. 1 is a block diagram of the present invention;

FIG. 2 is a cross-sectional view of the structure of the present invention;

FIG. 3 is a simplified view of the internal structure of the valve cover of the present invention;

FIG. 4 is a view showing the construction of the inner cap according to the present invention;

fig. 5 is a perspective view of the overall structure of the present invention.

Detailed Description

The following provides a more detailed description of the present invention with reference to the accompanying drawings and examples.

As shown in fig. 1 to 5, the novel passenger car emergency valve comprises an outer cover 1, a base body 2 and an inner valve 3, wherein the outer cover 1 is hinged to the base body 2, the inner valve 3 is arranged on the back of the base body 2, the inner valve 3 comprises a valve body 31 and a valve core shaft 32, and the valve body 31 is provided with a valve cavity penetrating through the valve core shaft 32; the valve body 31 is provided with an air inlet, an air outlet and a quick release port which are communicated with the valve cavity (the air inlet is connected with an air source of a vehicle, and the air outlet is connected with a passenger door pump); the valve core shaft 32 is provided with a convex structure, and the movable convex structure of the valve core shaft 32 shields the air port 4 to realize air path switching; specifically, the fast air release port is blocked by the convex structure in the conventional state, and the air inlet is communicated with the air outlet; the air inlet is blocked by the emergency convex structure, and the air outlet is communicated with the quick release port.

A toggle switch 5 is connected with the lower end of the valve core shaft 32, the toggle switch 5 is connected with the valve core shaft 32 through a shifting fork, and the shifting fork is arranged on the base body 2 through a pin shaft and can rotate around the pin shaft; the shifting fork of the toggle switch 5 rotates around the pin shaft to drive the valve core shaft 32 to move up and down.

The device also comprises an inner cover 6 and a slide sheet 7, wherein the inner cover 6 is arranged between the outer cover 1 and the base body 2; the inner cover 6 is provided with an identification opening 8; the sliding sheet 7 is arranged on the back of the inner cover 6 and connected with the toggle switch 5 to move along, and the moving of the sliding sheet 7 is switched on the identification on the sliding sheet 7 visible on the identification opening 8, so that a user can clearly and conveniently know the working state of the emergency valve.

The valve comprises a valve cover 9, a conductive positioning plate 10, contact plates 11 and a return spring 12, wherein the valve cover 9 is arranged at the upper end of a valve body 31, the conductive positioning plate 10 is arranged on the part, extending to the interior of the valve cover 9, of the upper end of a valve core shaft 32, and the two contact plates 11 are arranged on the valve body 31 correspondingly on the left side and the right side below the conductive positioning plate 10; the contact plate 11 is electrically connected with a door opening and closing signal generator; the reset spring 12 is sleeved on the valve core shaft 32, the upper end of the reset spring is connected with the positioning plate arranged in the valve cover 9, and the lower end of the reset spring is connected with the conductive positioning plate 10; the valve core shaft 32 of the toggle switch 5 is shifted downwards, the conductive positioning plate 10 conducts the two contact plates 11 to send a door opening and closing signal, the passenger door is opened or closed, and the valve core shaft 32 is quickly reset to a normal working state by the reset spring 12.

The working method of the novel emergency valve for the passenger car,

(1) and (3) normal working state: the toggle switch 5 is centered, the inner cover identification port displays normal work, the valve core shaft 32 of the inner valve 3 is in a balance position, the air passage of the valve body 31 is communicated with the air inlet and the air outlet and is not communicated with the quick release port, and the contact plate 11 at the valve cover 9 is not communicated; in this case, the emergency valve is in a normal working state, and air in the passenger door pump of the passenger car is connected with the air inlet through the air outlet of the emergency valve so as to be connected with the air source;

(2) emergency state: the gas circuit needs to be disconnected, the toggle switch 5 is toggled upwards, the marking port 8 of the inner cover 6 displays the current working state, the valve core shaft 32 of the inner valve 3 is upwards positioned at the limit position at one end and is kept still, the gas circuit of the valve body 31 is communicated with the quick release port through the gas outlet and is not communicated with the gas inlet, and the contact plate 11 at the valve cover 9 is not communicated; the emergency valve is in an exhaust state, air in a passenger door pump of the passenger car can be quickly exhausted from the quick exhaust port, and therefore the passenger door can be manually opened; and the gas circuit from the gas source is cut off and does not excessively lose.

(3) A driver gets on or off the vehicle: the toggle switch 5 is turned downwards, the inner cover identification port 8 displays the current working state, the valve core shaft 32 of the inner valve 3 is turned downwards to the limit position at the other end, the conductive positioning plate 10 is connected with the two contact plates 11, a door opening and closing signal is triggered, and the passenger door is finally opened or closed; after the toggle action is finished, the valve core shaft 32 of the inner valve 3 returns to the balance position under the action of the return spring 12, and the emergency valve returns to the normal working state.

The valve core of the emergency valve adopts a slide valve structure, the slide valve is a commonly used element in a hydraulic system, the slide valve can be operated externally through a toggle switch 5 to control the on-off of the air passage of the door body, and meanwhile, the emergency valve also has the function of a switch for a driver to get on the vehicle. The utility model has simple structure, convenient operation, can clearly identify the working position of the valve body, has a space description operation method, is humanized and has good safety; meanwhile, the vehicle-mounted power supply device has the advantages of small occupied size, reliable structure, high function integration level, convenience in improving the reliability of the vehicle and reduction in cost.

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 utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a new-type emergency valve of passenger train, includes enclosing cover, base member and internal valve, the enclosing cover is articulated with the base member, the internal valve sets up in the base member back, its characterized in that: the inner valve comprises a valve body and a valve core shaft, and the valve body is provided with a valve cavity inserted with the valve core shaft; the valve body is provided with an air inlet, an air outlet and a quick release port which are communicated with the valve cavity; the valve core shaft is provided with a protruding structure, and the moving protruding structure of the valve core shaft shields the air port to realize air circuit switching.

2. The new emergency valve for passenger cars of claim 1, characterized in that: and a toggle switch is connected with the valve core shaft.

3. The new emergency valve for passenger cars of claim 2, characterized in that: the inner cover is arranged between the outer cover and the base body; the inner cover is provided with an identification port; the slip sheet is arranged on the back face of the inner cover and connected with the toggle switch to follow up, and the moving of the slip sheet switches the marks on the visible slip sheet of the mark port.

4. The new emergency valve for passenger cars of claim 1, characterized in that: the valve comprises a valve body, a valve core shaft, a valve cover, a conductive positioning plate, contact plates and a return spring, wherein the valve cover is arranged at one end of the valve body; the contact plate is electrically connected with the door opening and closing signal generator; the reset spring is sleeved on the valve core shaft, the upper end of the reset spring is connected with the valve cover in the valve cover, and the lower end of the reset spring is connected with the conductive positioning plate.