KR200177185Y1 - Air cleaner of railway train - Google Patents

Abstract

The present invention relates to an air purifier for a railroad car, and more particularly, to an air purifier for a railroad car, which is installed in a brake of a railroad car to automatically discharge foreign substances contained in compressed air.

According to the present invention, the air inlet 11 is connected to the air transfer pipe of the braking device, and the air inlet 11 is formed to communicate with the air inlet 11 and the filter 50 for filtering foreign matter contained in the air provided therein 15 and an air outlet 18 communicating with the air purifying chamber 15 and connected to the air transfer pipe of the braking device, and provided between the air purifying chamber 15 and the air inlet 11, The waste collection chamber 13 provided with the opening 14 which discharges waste, the opening and closing rod 20 provided in the opening 14 of the said waste collection chamber 13, and the opening and closing rod 20 are connected to the air pressure. A spring 25 to be elastically supported so as not to be opened by the cylinder, a cylinder 16 formed at one side of the air purifying chamber 15, and installed in the cylinder 16 to be connected to the opening / closing rod 20. Piston 40 formed with pores 41 and the compressed air storage chamber 17 formed on one side of the cylinder 40 It is provided with an air purifier for a railway vehicle, characterized in that configured to include.

Description

Air cleaner for railway vehicles {Air cleaner of railway train}

The present invention relates to an air purifier for a railroad car, and more particularly, to an air purifier for a railroad car, which is installed in a brake of a railroad car to automatically discharge foreign substances contained in compressed air.

An air purifying device for filtering foreign matters contained in compressed air is provided in a brake system of a railway vehicle. Recently, an air purifying device for automatically discharging foreign substances filtered out by a filter has been developed. It is disclosed in the call.

1, the air purifying apparatus communicates with the air inlet 61 and directly under the primary air purifying chamber 64 having the primary filter 71 at the center, and directly below the primary air purifying chamber 64. And a secondary air purification chamber (65) having a secondary filter (72) at the center and in communication with the air vortex chamber (62) provided in the air filter, and the primary air purification chamber (4). An air outlet 66 communicating with 65, a waste collection chamber 63 provided directly below the air swirl chamber 62, and an opening / closing rod for discharging the waste collected in the waste collection chamber 63; 73, a piston 80 installed in the cylinder 75 to operate the opening and closing rod 73, the air inlet hole 81 formed therein, and the space portion 68 in communication with the cylinder 75 And a passage 67 for communicating the secondary air purification chamber 65 and the space portion 68, and a piston formed at one side of the piston 80 to store compressed air so as to store the compressed air during a brake operation of the railway vehicle. 80) Each of them has a compressed air chamber 69 for retreating.

Therefore, the compressed air introduced through the air inlet 61 causes vortex phenomena in the air vortex chamber 62, and dust or moisture contained in the air is dropped by centrifugal force to accumulate in the waste collection chamber 63 and receive air. Is filtered through the primary filter (71) of the primary air purification chamber (64) and the secondary filter (72) of the secondary air purification chamber (65), and then the railway vehicle through the connected air outlet (66). To an air storage tank.

When the air purifying function is performed as described above, the high-pressure air introduced into the secondary air purification chamber 65 passes through the passage 67, the space portion 68, and the air inlet hole 81 of the piston. Is filled in. In addition, when the air pressure in the compressed air storage chamber 69 and the air pressure of the space 68 are equal, the piston 80 is advanced by the spring force of the spring 83, and the opening and closing rod 73 connected to the piston 80 is provided. This advances to close the opening and closing port 74.

On the other hand, when the brake is operated in the engine room, the compressed air is discharged in the air transfer pipe of the braking device, not shown in the drawing, and the pressure is drastically lowered. Since the piston 80 is retracted by the pressure of the compressed air storage chamber 69, the retracting rod 73 is retracted to open the opening and closing hole 74 for waste discharge, and collected in the waste collection chamber 63. The dirt is forced out by the air pressure.

However, in the air purifying apparatus having such a structure, the opening and closing rods 73 and the piston 80 are horizontally perpendicular to the opening and closing opening 74 so that foreign matters and moisture collected in the dirt collection chamber 63 can be easily discharged. It is installed in the direction, since a very large vibration is generated when the vehicle travels on the rail, the lower end portion of the piston 80 is stuck to the inner wall of the cylinder 75 by the impact force generated at this time does not operate smoothly have.

In addition, the air purifier has a problem in that its structure is very complicated and the number of parts is increased, leading to waste of materials, and it is difficult to manufacture and assemble it, thereby significantly increasing the production cost of the product. In addition, as the number of parts increases as described above, if any one of the components does not operate smoothly, there is a problem that the overall defective rate increases.

In addition, since the air purifier is installed in the primary and secondary filters (71, 72) in series, the resistance of the air is increased by that much, so that sudden decompression phenomenon does not occur inside the device during the brake operation, the waste collection chamber (63) There is a problem that does not smoothly discharge the foreign matter gathered in).

The present invention is to solve the problems as described above, the purpose of the present invention is made of a simple structure, easy to manufacture and assembly, the failure rate is lowered, the air purifying device for a rail vehicle that can smoothly discharge the filtered foreign matter It is about.

1 is a cross-sectional view of a conventional air purifier

2 is a cross-sectional view of the air purifier according to the present invention

3 is an operating state of the air purifying apparatus according to the present invention

4 is an enlarged side view of portion A of FIG. 3;

<Explanation of symbols for main parts of the drawings>

11: air inlet 12: air vortex chamber

13: waste collection room 14: opening and closing

15: air purification chamber 16: cylinder

17: compressed air storage chamber 18: air outlet

20: opening and closing rod 40: piston

41: air inlet pore 50: filter

According to the present invention, the air inlet 11 is connected to the air transfer pipe of the braking device, and the air inlet 11 is formed to communicate with the air inlet 11 and the filter 50 for filtering foreign matter contained in the air provided therein 15 and an air outlet 18 communicating with the air purifying chamber 15 and connected to the air transfer pipe of the braking device, and provided between the air purifying chamber 15 and the air inlet 11, The waste collection chamber 13 provided with the opening 14 which discharges waste, the opening and closing rod 20 provided in the opening 14 of the said waste collection chamber 13, and the opening and closing rod 20 are connected to the air pressure. A spring 25 to be elastically supported so as not to be opened by the cylinder, a cylinder 16 formed at one side of the air purifying chamber 15, and installed in the cylinder 16 to be connected to the opening / closing rod 20. Piston 40 formed with pores 41 and the compressed air storage chamber 17 formed on one side of the cylinder 40 The compressed air is stored in the compressed air storage chamber (17) through the air inlet (41) of the piston (40) when a sudden depressurization occurs in the air transfer pipe during brake operation. Compressed air stored in 17 pushes the piston 40 so that the opening and closing rod 20 overcomes the elastic force of the spring 25 and opens the opening 14, so that foreign matters collected in the waste collection chamber 13 are automatically discharged. There is provided an air purifying apparatus for a railway vehicle, which is made.

Hereinafter, with reference to the accompanying drawings, preferred embodiments of the present invention in detail as follows.

2 and 3 is a cross-sectional view and operation state diagram of the air purifying device according to the present invention, the communication is formed between the air inlet 11 and the air outlet 18 and the air provided with a filter 50 to filter foreign matter therein The waste collection chamber 13 provided with the opening-and-closing opening 14 between the purification | cleaning chamber 15, the said air purification chamber 15, and the air inlet 11, and the opening and closing opening 14 of the said waste collection chamber 13 are supported. And a piston 40 installed in the opening and closing rod 20 and the cylinder 40 formed at one side of the air purifying chamber 15, and having an air inlet hole 41 formed therein and connected to the opening and closing rod 20. ) And a compressed air storage chamber 17 formed on one side of the cylinder 16.

An air vortex chamber 12 communicating with an air inlet 11 is formed directly below the air purifying chamber 15, and a dirt collecting chamber 13 is formed at a bottom surface of the air vortex chamber 12, and at the center thereof. Opening and closing holes 14 in the vertical direction are formed through. The opening and closing hole 14 is a predetermined length extending in the vertical direction, the opening and closing rod 20 having a flange 24 in close contact with the bottom surface of the opening and closing hole 14 is supported by the spring 25 is supported by the top 25. . In addition, a cap 30 having a pair of waste discharge holes 33 is installed at the bottom of the air vortex chamber 12 below the opening and closing hole 14 to support the opening and closing rod 20 of the spring 25. Support the bottom. In addition, as shown in FIG. 4, a manual opening / closing valve 37 which is opened and closed manually is installed at the bottom of the air vortex chamber 12 on the side of the cap 30.

The air purifying chamber 15 is formed in a vertical direction on the upper side of the air vortex chamber 12, and an air outlet 18 is provided at one side thereof, and a cylinder 16 and a compressed air storage chamber 17 are provided at an upper portion thereof. Each is provided. The inner circumferential surface of the air purification chamber 15 is provided with a cylindrical filter 50 to filter foreign matter in the air to be transported. The piston 40 has an air inlet hole 41 in a vertical direction connecting the air purifying chamber 15 and the compressed air storage chamber 16 therein to be installed in the cylinder 16 in a horizontal direction. The connecting rod 43 connected to the upper end of the opening and closing rod 20 through the bottom surface of the filter 50 is connected to the pin 42 in the center of the bottom surface.

Therefore, the compressed air introduced through the air inlet 11 hits the outer wall of the air purifying chamber 15 to cause vortexing in the air vortex chamber 12, while dust or moisture contained in the air is caused by the centrifugal force. Dropped to the lower part of the chamber 12 and accumulated in the waste collection chamber 13, the air is filtered while passing through the filter 50 of the air purification chamber 15, the air storage tank of the railway vehicle through the air outlet (18) Is sent to.

In this process, the high pressure air introduced into the air purification chamber 15 is filled in the compressed air storage chamber 17 through the air inlet hole 41 until it is equal to the pressure of the inlet air. At this time, the opening and closing rod 20 is in close contact with the bottom surface of the opening and closing opening 14 by the elastic force of the spring 25 to close the opening and closing opening 14.

On the other hand, when the brake is operated in the engine room, the compressed air in the air transfer pipe of the braking device is discharged and the pressure is drastically lowered, and the air in all spaces except the compressed air storage chamber 17 is instantaneously drawn out through the air inlet 11. Since the piston 40 is pushed back by the pressure of the compressed air storage chamber 17, the piston 40 retracts the opening / closing rod 20 to open the opening 14 of the waste collection chamber 13, and the soil is forced by the air pressure. To be discharged.

At this time, since the piston 40 is installed in the cylinder 16 in the horizontal direction, even when a relatively large impact force is applied while driving, such impact force is absorbed by a spring installed in the lower portion, and the piston 40 is connected to the cylinder 16. Since the piston 40 is not acted on the surface, the piston 40 is prevented from being squeezed and stuck to the inner wall surface of the cylinder 16, thereby smoothly discharging the foreign matter.

In addition, the air purifier has a simple structure and a small number of parts, making it easy to manufacture and assemble, and thus, a defect rate is reduced. Since a single filter 50 is used, the air inside the apparatus suddenly drops during the brake operation. As it exits, it is possible to smoothly discharge the foreign matter collected in the waste collection chamber (13).

According to the present invention as described above, the air purifying device is made of a relatively simple structure, the number of parts is reduced, the productivity of the product is significantly improved, the failure rate is reduced accordingly, and the piston 40 is different from the inner wall surface of the cylinder 16 There is an advantage that it works smoothly because it does not stick.

Claims (1)

An air inlet 11 connected to an air inlet pipe of the braking device, an air purifying chamber 15 formed to communicate with the air inlet 11 and having a filter 50 for filtering foreign substances contained in the air; An air outlet 18 in communication with the air purifying chamber 15 and connected to an air transfer pipe of the braking device, and an opening and closing hole provided between the air purifying chamber 15 and the air inlet 11 and discharging dirt on one surface thereof The waste collection chamber 13 provided with the 14, the opening-and-closing rod 20 provided in the opening-closing opening 14 of the said waste collection chamber 13, and the opening / closing rod 20 are elastic so that it may not be opened by the pressure of air. A spring 25 for supporting, a cylinder 16 formed at one side of the air purifying chamber 15, and installed in the cylinder 16 and connected to the opening / closing rod 20, and an air inflow hole 41 is provided therein. The piston 40 and the compressed air storage chamber 17 formed on one side of the cylinder 40 When the compressed air is normally stored in the compressed air storage chamber 17 through the air inlet hole 41 of the piston 40, and a sudden depressurization occurs in the air transfer pipe during the brake operation, the compressed air storage chamber 17 By storing the compressed air by pushing the piston 40, the opening / closing rod 20 overcomes the elastic force of the spring 25 and opens the opening 14, so that foreign matters collected in the waste collection chamber 13 are automatically discharged. Air purifier for railway vehicles.