CN210891020U

CN210891020U - Automatic drainage device for vehicle air pipeline

Info

Publication number: CN210891020U
Application number: CN201922021352.6U
Authority: CN
Inventors: 常建; 常云柯
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-21
Filing date: 2019-11-21
Publication date: 2020-06-30
Anticipated expiration: 2029-11-21

Abstract

The utility model discloses a vehicle air pipeline automatic drainage device, which relates to the field of rail transit air pipeline system equipment, and comprises a main valve body, an intermediate body, a manual valve, a flange, a control module, a valve core and a cartridge type electromagnetic valve, wherein the cartridge type electromagnetic valve is a three-way electromagnetic valve with a main air port and two auxiliary air ports, another air port of a pressure chamber is provided with a filter plug device and is connected with the main air port of the cartridge type electromagnetic valve, and one of the auxiliary air ports of the cartridge type electromagnetic valve is communicated with the external atmosphere; the flange and the main valve body are both provided with air source channels, the air guide pipe is connected to the inlet of the air source channel of the flange, the air source channel of the main valve body is of a three-way structure, and the air source channel of the main valve body is provided with a pressure sensor. The device can be used for installing in all kinds of reservoir outlet of passenger train vehicle, simple structure, and it is low to make use cost, and the comdenstion water that the discharge compressed air that can be automatic timely got into the reservoir along the air pipeline and produced.

Description

Automatic drainage device for vehicle air pipeline

Technical Field

The utility model relates to a track traffic air pipeline system equipment field particularly, relates to an automatic drainage device of vehicle air pipeline.

Background

The quality of compressed air used as the medium of the air pipeline system of a passenger car directly affects the reliability of a brake system, an electro-pneumatic control device, an antiskid device, a pneumatic sliding plug door, an air spring and the like.

Under the operating conditions of high speed, heavy load and long-distance traffic of trains at the present stage, the humidity of air in air storage devices such as main air cylinders, auxiliary air cylinders and auxiliary air cylinders of vehicles is seriously overproof due to higher moisture content in the air and secondary condensed water generated when compressed air enters air pipelines of the vehicles. The harmful substances such as condensed water, pipeline rust slag, oil-water mixture and the like are accumulated in air storage devices such as various air cylinders and the like and air pipelines for a long time, and enter a main air pipe system along with compressed air, all parts of the braking system are easy to accelerate the abrasion of moving parts of the braking system and the main air pipe system, and corrode some rubber parts, so that the rubber parts are not tightly sealed, and frozen pipes are generated under the low-temperature condition, thereby causing the faults of impurities, ice slag, valve port blocking, air passage blocking, plunger blocking and the like, and causing the driving safety hidden trouble that the action parts such as an electro-pneumatic control device, an antiskid device, a pneumatic sliding plug door, an air spring and the like cannot normally work.

At present, the idea of blowing air by a compressor to generate compressed air, sending the compressed air into a main air cylinder through a cooler and an oil-water separator and then supplying the compressed air to the whole vehicle equipment through a pressure reducing valve is still adopted in the design of vehicles in China.

Some air storage devices such as a main air reservoir, an auxiliary air reservoir and an auxiliary air reservoir of a passenger car adopt a manual cut-off type cock, and manual pollution discharge and drainage are carried out when the air storage devices return to a warehouse, but because the workload is large, the mode of discharging each section of the car in the month and discharging the car at the end of the month is basically adopted, the defect of untimely discharge exists, and because of the manual operation, the importance of an operator on the quality of an air source is not enough, and in addition, the air storage devices are not executed according to relevant standard regulations, the discharge is not thorough, and a part of oil, water, iron rust and other impurities contained in the air source are mixed with compressed air to form a fog to enter a train air management system.

Except for the manual drainage device, some drainage devices adopt an automatic drainage device or an automatic and manual integrated drainage device for drainage, but the traditional automatic drainage structure adopts an external control air source, and the device needs to be provided with a complex pipeline system, so that the whole system structure is complex and the cost is high.

SUMMERY OF THE UTILITY MODEL

The utility model provides an automatic drainage device of vehicle air pipeline, it can alleviate above-mentioned problem.

In order to alleviate the above problem, the utility model discloses the technical scheme who takes as follows:

the utility model provides an automatic drainage device of vehicle air pipeline, including the main valve body, midbody, manual valve, flange, control module and case, flange and main valve body all are provided with drainage channel, the drainage channel of the main valve body is the tee bend structure that has three ports, the export of the drainage channel of flange with the first port of the drainage channel of the main valve body is connected and switched on, and is provided with the filter screen between them, manual valve sets up the second port of the drainage channel of the main valve body; the intermediate body is provided with a pressure chamber, a drainage channel and a valve core installation chamber, and the pressure chamber is provided with two air ports; the slide valve is installed in a slide valve installing chamber of the intermediate body and comprises a valve sleeve, a reset spring, a piston and two conical sealing seats, a through hole arranged in the left-right direction is formed in the valve sleeve, the piston is inserted into the through hole from the right side and can move left and right along the through hole, the left end of the through hole serves as a water inlet, a water outlet leading to a drainage channel of the intermediate body is formed in a side hole wall of the through hole, the reset spring is sleeved on the right section of the valve sleeve, annular protrusions are formed in the right end of the piston and the outer wall of the valve sleeve, the slide valve is elastically compressed between the annular protrusion of the slide valve and the annular protrusion of the valve sleeve, the right end of the slide valve serves as a wind pressure receiving surface and is communicated with one of wind openings of the pressure chamber, and the annular surface of the right end of the slide valve is in sliding sealing with the inner wall of the slide, the piston slide is sealed with the inner wall of the through hole of the valve sleeve through a sealing ring, the water inlet is provided with two conical valve ports which are arranged in series in a back-to-back mode, the conical valve ports are located between two conical sealing seats, the two conical sealing seats are used for sealing the two conical valve ports respectively, a sealing ring which is in sealing contact with the inner wall of each conical valve port is arranged on the conical surface of each conical sealing seat, each conical sealing seat is fixed at the left end of the piston through a bolt, the two conical sealing seats are arranged in the back-to-back mode and are separated by a spacer, the outer diameter of the spacer is smaller than the minimum caliber of the water inlet, and when the conical sealing seats do not seal the water inlet, the water inlet is communicated with the third port of the drainage channel of the main valve body;

the device also comprises an insertion type electromagnetic valve which is electrically connected with the control module and is a three-way electromagnetic valve with a main air port and two auxiliary air ports, the other air port of the pressure chamber is provided with a filter plug device and is connected with the main air port of the insertion type electromagnetic valve, and one auxiliary air port of the insertion type electromagnetic valve is communicated with the external atmosphere;

the flange and the main valve body are both provided with air source channels, the air source channel inlet of the flange is connected with the air outlet of an air guide pipe, the air inlet of the air guide pipe penetrates out of the inlet of the drainage channel of the flange and is used for being connected into an air cylinder of a vehicle, the air source channel of the main valve body is of a three-way structure, a first port is connected with the air source channel outlet of the flange, a second port is provided with a pressure sensor, a third port is connected with the other auxiliary air port of the plug-in type electromagnetic valve, and the pressure sensor is electrically connected with the control module.

The technical effect of the technical scheme is as follows: the device can be used for being installed at various air cylinder water outlets of passenger vehicles, and is provided with an air source channel in a flange, an air source channel in a main valve body, an air guide pipe, a pressure sensor and a plug-in type electromagnetic valve, compressed air can be obtained from an air cylinder through the air guide pipe, an external control air source of an original device is replaced, the structure of the device is simplified, and the cost is reduced; the wind pressure in the wind source channel can be detected through the pressure sensor, so that whether the wind path pipeline leakage exists or not can be judged conveniently; on the premise of ensuring the normal working pressure of various air cylinders of the passenger car, the compressed air can be automatically, timely and thoroughly discharged to enter the condensed water generated by the air cylinders along the air pipeline, so that the condensed water in the passenger car air pipeline system is effectively prevented from entering the main air system, the braking system and the action parts of the braking system from the source, and the safety and the reliability of the car in the application process are ensured.

Optionally, the valve core is a plug-in valve core detachably connected with the intermediate body, the valve sleeve is a plug-in valve sleeve detachably connected with the intermediate body, the plug-in valve sleeve is of a cylindrical structure, and the outer wall of the plug-in valve sleeve is positioned on two sides of the water outlet and is statically sealed with the inner wall of the water drainage channel of the intermediate body through sealing rings.

The technical effect of the technical scheme is as follows: adopt cartridge formula structure with the case, be convenient for pull down from the midbody, it is more convenient to change the maintenance.

Optionally, the control module and the plug-in type solenoid valve are both packaged on the main valve body through an electromagnetic valve cover I and an electromagnetic valve cover II, the electromagnetic valve cover I is detachably and fixedly connected with the main valve body, the electromagnetic valve cover II is detachably and fixedly connected with the electromagnetic valve cover I, and a matched aviation socket of the control module is installed on the electromagnetic valve cover II.

The technical effect of the technical scheme is as follows: the control module is integrally arranged on the main valve body, so that the number of electric connecting lines can be reduced, and the structure is simplified.

Optionally, the main valve body is provided with a solenoid valve slot, and the plug-in solenoid valve is fixed in the solenoid valve slot through a solenoid valve pressing ring and a solenoid valve pressing block.

Optionally, a key switch is arranged on the electromagnetic valve cover ii, and the key switch is electrically connected with the control module and is used for actively controlling the on and off of the plug-in type electromagnetic valve.

The technical effect of the technical scheme is as follows: the device is convenient for state detection in daily use.

Optionally, a flow sensor is installed at a position close to the first port of the drain passage of the main valve body, and the flow sensor is electrically connected with the control module.

The technical effect of the technical scheme is as follows: the flow sensor can monitor the flow of the drainage channel, and is convenient for judging whether the drainage flow is abnormal.

Optionally, a heating element mounting hole is further formed in the side, facing the main valve body, of the flange.

The technical effect of the technical scheme is as follows: the heating element is convenient to install, and the blockage of the drainage channel is avoided when the temperature is low.

Optionally, a control air source sealing ring is arranged between the outlet of the air source channel of the flange and the first port of the air source channel of the main valve body, and a flange sealing ring is arranged between the outlet of the drain channel of the flange and the first port of the drain channel of the main valve body.

The technical effect of the technical scheme is as follows: the sealing ring is sealed in a common mechanical sealing mode, a good sealing effect can be achieved on the connecting point of the air source channel and the connecting point of the drainage channel, and leakage from the connecting gap is prevented.

Optionally, the main valve body is provided with a sensor mounting groove, and the pressure sensor is fixed in the sensor mounting groove through a sensor pressing block.

Optionally, the main valve body is provided with a lifting lug.

The technical effect of the technical scheme is as follows: the automatic drainage device is convenient to penetrate through a steel wire rope, so that the automatic drainage device is connected with the air cylinder, and meanwhile, a protective cover is convenient to be additionally arranged for the automatic drainage device.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a three-dimensional structure diagram of the automatic water discharging device for the air pipeline of the vehicle in the embodiment of the present invention;

fig. 2 is a main sectional structure diagram of the automatic drainage device for the air pipeline of the vehicle in the embodiment of the present invention;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

fig. 4 is a perspective view of the flange according to the embodiment of the present invention;

fig. 5 is a top view structural diagram of the flange according to the embodiment of the present invention;

FIG. 6 is a cross-sectional view taken along line B-B of FIG. 5;

FIG. 7 is a structural diagram of the valve cartridge according to an embodiment of the present invention;

fig. 8 is a cross-sectional view of the valve cartridge in a first state according to an embodiment of the present invention;

fig. 9 is a cross-sectional view of the valve cartridge in a second state according to an embodiment of the present invention;

fig. 10 is a third state cross-sectional view of the valve cartridge in an embodiment of the present invention;

in the figure: 1-main valve body, 2-intermediate body, 3-valve sleeve, 4-filter plug device, 5-electromagnetic valve cover I, 6-electromagnetic valve cover II, 7-flange, 8-control air source sealing ring, 9-piston, 10-flange sealing ring, 11-filter screen, 12-flow sensor, 13-bolt, 14-lifting lug, 15-reset spring, 16-pressure chamber, 17-air guide pipe, 18-electromagnetic valve pressing block, 19-pressure sensor, 20-conical sealing seat, 21-sensor pressing block, 22-electromagnetic valve pressing ring, 23-plug-in electromagnetic valve, 24-drainage channel, 25-manual valve, 26-air source channel, 27-aviation socket, 28-key switch, 29-heating element mounting hole, 30-water outlet and 31-water inlet.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "left", "right", "inside", "outside", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship that the utility model is conventionally placed when the utility model is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; but also can be connected and communicated. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

Referring to fig. 1-10, the present invention provides an automatic drainage device for an air pipeline of a vehicle, including a main valve body 1, an intermediate body 2, a manual valve 25, a flange 7, a control module and a valve core, wherein the flange 7 and the main valve body 1 are both provided with a drainage channel 24, the drainage channel 24 of the main valve body 1 is a three-way structure with three ports, an outlet of the drainage channel 24 of the flange 7 is connected and communicated with a first port of the drainage channel 24 of the main valve body 1, a filter screen 11 is arranged between the two ports, and the manual valve 25 is arranged at a second port of the drainage channel 24 of the main valve body 1; the intermediate body 2 is provided with a pressure chamber 16, a drainage channel 24 and a valve core installation chamber, and the pressure chamber 16 is provided with two air ports; the valve core is arranged in a valve core installation chamber of the intermediate body 2 and comprises a valve sleeve 3, a reset spring 15, a piston 9 and two conical sealing seats 20, a through hole arranged in the left-right direction is formed in the valve sleeve 3, the piston 9 is inserted into the through hole from the right side and can move left and right along the through hole, the left end of the through hole is used as a water inlet 31, the side hole wall of the through hole is provided with a water outlet 30 leading to a drainage channel 24 of the intermediate body 2, the reset spring 15 is sleeved on the right section of the valve sleeve 3, the right end of the piston 9 and the outer wall of the valve sleeve 3 are provided with annular protrusions, the piston 9 is elastically compressed between the annular protrusion of the piston 9 and the annular protrusion of the valve sleeve 3, the right end of the piston 9 is used as a wind pressure bearing surface and is communicated with one of wind ports of the pressure chamber 16, the annular surface of the right end of the piston 9 is in sliding sealing seal with the inner wall of the valve core installation chamber, the water inlet 31 is provided with two conical valve ports which are arranged in series oppositely, the conical valve ports are positioned between two conical sealing seats 20, the two conical sealing seats 20 are respectively used for sealing the two conical valve ports, a sealing ring which is used for being in sealing contact with the inner wall of each conical valve port is arranged on the conical surface of each conical sealing seat 20, each conical sealing seat 20 is fixed at the left end of the piston 9 through a bolt 13, the two conical sealing seats 20 are arranged oppositely and are separated by a spacer, the outer diameter of the spacer is smaller than the minimum caliber of the water inlet 31, and when the conical sealing seats 20 do not seal the water inlet 31, the water inlet 31 is communicated with the third port of the drainage channel 24 of the main valve body 1;

the device also comprises a plug-in type electromagnetic valve 23 which is electrically connected with the control module and is a three-way electromagnetic valve with a main air port and two auxiliary air ports, the other air port of the pressure chamber 16 is provided with a filter plug device 4 and is connected with the main air port of the plug-in type electromagnetic valve 23, and one auxiliary air port of the plug-in type electromagnetic valve 23 is communicated with the external atmosphere;

the flange 7 and the main valve body 1 are both provided with an air source channel 26, the inlet of the air source channel 26 of the flange 7 is connected with the air outlet of an air guide pipe 17, the air inlet of the air guide pipe 17 penetrates out of the inlet of the drainage channel 24 of the flange 7 and is used for being connected into an air cylinder of a vehicle, the air source channel 26 of the main valve body 1 is of a three-way structure, a first port is connected with the outlet of the air source channel 26 of the flange 7, a second port is provided with a pressure sensor 19, a third port is connected with the other auxiliary air port of the plug-in type electromagnetic valve 23, and the pressure sensor 19 is electrically connected with the control module.

In this embodiment, the flange 7 is designed to be multifunctional, the whole automatic drainage device is connected with the blowdown and drainage ports 30 at the bottoms of the main reservoir and the auxiliary reservoir of the vehicle through the flange 7, the drainage channel 24 arranged on the flange 7 and the control air source inlet at the top end of the air guide pipe 17 form high-low pressure difference, and except that the control air source pipe pressure is not influenced when the drainage port 30 is opened to release pressure, the condensed water at the bottom of the reservoir and the compressed air in the middle of the reservoir form natural shunting when entering the device. Meanwhile, in the automatic drainage process, a large amount of rust slag, oil-water mixture and other impurities in the air reservoir can be removed along with condensed water, and the filter screen 11 is arranged at the outlet of the drainage channel 24 of the flange 7, so that large-particle impurities in the condensed water are filtered out before sewage enters the device, and the phenomenon that the condensed water enters the device to cause damage to the conical sealing seat 20 of the valve port and clamping of the piston 9 is avoided.

In this embodiment, the piston 9 is in the process of moving, and a motion stop point of the piston 9 is always ensured to be in a state of closing the water inlet 31, that is, when the piston 9 is at the motion stop point, a conical sealing seat 20 always seals a conical valve port of the corresponding water inlet 31, and only drainage is realized in the motion process of the piston 9, so that the drainage reliability of the device is ensured, and meanwhile, a switching sealing valve port position is provided for a one-way valve port damage fault, so that the fault of the device is automatically removed.

The action and control principle of the automatic water discharging device for the vehicle air pipeline in the embodiment is as follows:

compressed air in a vehicle air cylinder enters an air source channel 26 of the device through an air guide pipe 17, an auxiliary air port of the air cylinder connected with a plug-in type electromagnetic valve 23 and the air source channel 26 is in a closed state, a pressure sensor 19 monitors pressure change in the air cylinder, when the pressure of the air cylinder continuously rises for 20 monitoring points (about 6 seconds), a control module controls the plug-in type electromagnetic valve 23 to be electrified, the auxiliary air port of the plug-in type electromagnetic valve 23 connected with the air source channel 26 is opened, the compressed air enters a pressure chamber 16 through a filter plug 4 along the air source channel 26 of a main valve body 1 and then acts on a wind pressure receiving surface to push a yielding reset spring 15 to move towards the left side of the drawing, a left conical sealing seat 20 connected with a left side of a piston 9 leaves a left conical valve port, a water inlet 31 of a valve core is opened, and under the action of the compressed air, sewage at the bottom of the air cylinder sequentially passes through, The drainage channel 24 of the main valve body 1, the water inlet 31 of the valve core, the water outlet of the valve core and the drainage channel 24 of the intermediate body 2 are discharged. Piston 9 continues to move to the left until a stop, and the right conical seal seat 20 connected to piston 9 closes the right conical valve port, thereby closing the inlet 31 of the valve element and ending the first drainage.

After the plug-in type electromagnetic valve 23 is electrified for 10 seconds, the control module controls the plug-in type electromagnetic valve 23 to lose electricity, an auxiliary air port, connected with the air source channel 26, of the plug-in type electromagnetic valve 23 is closed, the air source channel 26 is cut off, a channel between the pressure chamber 16 and the external atmosphere is conducted, compressed air in the pressure chamber 16 is discharged into the external atmosphere after passing through the filter plug device 4 and the auxiliary air port, communicated with the external atmosphere, of the plug-in type electromagnetic valve 23, the piston 9 moves in the reverse direction under the pushing of the reset spring 15, in the moving process, the conical sealing seat 20 is separated from the conical valve port, the water inlet 31 is in an open state, water is discharged again by the device until the left conical valve port is closed by the left conical sealing seat 20, and when the water inlet 31 is.

As shown in fig. 8, the left conical sealing seat 20 blocks the left conical valve port of the water inlet 31, and the water inlet 31 is in a closed state; as shown in fig. 9, the left and right conical valve ports are not blocked, the water inlet 31 is in an open state, and at this time, water in the drainage channel 24 of the main valve body 1 can enter the valve core through the water inlet 31, and is discharged from the water outlet 30 to the drainage channel 24 of the intermediate body 2, and finally is discharged; as shown in fig. 10, the right conical sealing seat 20 blocks the right conical valve port of the water inlet 31, and the water inlet 31 is in a closed state.

After the device drains a duty cycle automatically, even if the reservoir pressure continuously rises again within an hour, the device is no longer automatically drained, has avoided the device to appear frequent automatic drainage, and causes unnecessary compressed air loss.

In the present embodiment, the manual valve 25 is used to manually open the drain channel 24 of the main valve body 1 to the outside atmosphere, and has a manual structure and an automatic structure, so that manual and automatic function switching, manual draining, manual drain channel closing and the like can be realized.

The automatic drainage device for the air pipeline of the vehicle solves the problem that condensed water enters each air pipe and a brake system of a locomotive vehicle along with compressed air from a source, can discharge accumulated water and dirt in each air pipe and each air cylinder of a passenger car in time, and fundamentally solves a plurality of faults of the brake system caused by accumulated water, corrosion, freezing and the like of each air cylinder and each air pipe. The method plays an effective role in improving the vehicle quality, ensuring the driving safety and the like. The device can replace various types of manual drainage cock valves, can be widely used for automatic drainage and pollution discharge of air pipeline systems of urban rail transit equipment such as various railway vehicles and subways, and has wide market application prospect and popularization value.

As an extended form of this embodiment, two sets of valve cores are arranged in the same air source channel to form two pressure chambers, four sealed valve port positions and a double piston structure, and by means of stepwise operation of two sets of electromagnetic valves, increase and decrease of sealed valve seats and change of spring driving directions, on-off control of different action logics is realized, the leakage probability is reduced, and automatic failure removal in a complete sense is realized.

Example 2

Referring to fig. 2, 7, 8, 9 and 10, regarding the structure of the valve core in embodiment 1, the valve core is designed as a plug-in type valve core detachably connected to the intermediate body 2, the valve sleeve 3 is a plug-in type valve sleeve 3 detachably connected to the intermediate body 2, the plug-in type valve sleeve 3 is a cylindrical structure, and the outer wall of the plug-in type valve sleeve is statically sealed with the inner wall of the drainage channel 24 of the intermediate body 2 through sealing rings at both sides of the drainage port 30.

In this embodiment, the valve core as the core component of the motion is designed into a modular plug-in structure, which not only facilitates processing and maintenance, but also can be arranged in one or two groups in series in the same channel, and the motion logic of the device can be freely adjusted by changing the installation mode of the valve seat. Two seal grooves are formed in the outer surface of the valve sleeve 3, a seal groove is formed at the right end of the piston 9, a seal ring is arranged in each of the three seal grooves and sealed with the inner wall of the valve core installation chamber, so that the valve core forms a left independent cavity and a right independent cavity after being inserted into the valve core installation chamber of the intermediate body 2, the left independent cavity is located at the water outlet 30 and used for draining, the right independent cavity is located at the reset spring 15 and used for the reset spring 15 to stretch and retract, and the piston 9 is driven to do corresponding actions.

Example 3

Referring to fig. 2, in the embodiment 1, with respect to the installation manner of the control module, the control module and the plug-in type solenoid valve 23 are both packaged on the main valve body 1 through a solenoid valve cover i 5 and a solenoid valve cover ii 6, the solenoid valve cover i 5 is detachably and fixedly connected with the main valve body 1, the solenoid valve cover ii 6 is detachably and fixedly connected with the solenoid valve cover i 5, and the aviation socket 27 matched with the control module is installed on the solenoid valve cover ii 6.

Example 4

Referring to fig. 3, in the embodiment 3, regarding the installation manner of the cartridge solenoid valve 23, a solenoid valve slot is provided on the main valve body 1, and the cartridge solenoid valve 23 is fixed in the solenoid valve slot through the solenoid valve clamping ring 22 and the solenoid valve clamping block 18.

Example 5

Referring to fig. 3, in comparison with embodiment 3, a key switch 28 is disposed on the electromagnetic valve cover ii 6, and the key switch 28 is electrically connected to the control module and is used for actively controlling the power on and power off of the plug-in electromagnetic valve 23.

In the embodiment, the key switch 28 is designed to facilitate the state detection of the device in daily use, and after the key switch 28 is touched, the device respectively loses power for one time for the plug-in type electromagnetic valve 23 within 6 seconds, and the device synchronously carries out two times of automatic drainage.

Example 6

Referring to fig. 2, in contrast to embodiment 1, a flow sensor 12 is mounted near the first port of the drain passage 24 of the main valve body 1, and the flow sensor 12 is electrically connected to the control module.

The automatic drainage device is the key for ensuring driving safety in timely discovery and non-stop automatic processing of faults in the running process of a passenger car, in the embodiment, the flow sensor 12 is utilized to monitor the flow of the drainage port, the flow sensor 12 detects that the single drainage flow time is more than 30 seconds, the control module judges that the automatic drainage passage of the device generates leakage, the control module analyzes the current power failure state of the plug-in type electromagnetic valve 23, reverse logic is carried out, the plug-in type electromagnetic valve 23 is powered off or powered off for a long time, and the fault indicator lamp is normally on to prompt a driver to overhaul after returning to a section. After the device automatically removes the fault, the flow sensor 12 continuously detects that the flow in the excretion channel is generated, the control module judges that the automatic fault removal fails, the fault indicator light turns to flicker from normal lighting, and the driver and the passengers are prompted to manually remove the fault through a handle arranged on the manual-automatic functional assembly of the device.

Example 7

Referring to fig. 4, in contrast to embodiment 1, a heating element mounting hole 29 is further formed in a surface of the flange 7 facing the main valve body 1.

In some areas, the environment temperature is possibly low, a heating element can be arranged at the position of the heating element mounting hole 29, a temperature sensing element is arranged on the main valve body 1, and the temperature sensing element and the heating element are both electrically connected with the control module; when the temperature sensing element detects that the surface temperature of the main valve body 1 is lower than 5 ℃, the control module controls the heating element to work, and then the whole device is heated, so that the drain outlet of the air cylinder and each channel of the automatic drainage device are not blocked by ice slag, and each action part of the plug-in valve core is normally opened and closed. When the surface temperature of the main valve body 1 reaches 10 ℃, the control module controls the heating element to lose power, and the phenomenon that the service life of the rubber sealing ring inside the device is influenced due to overhigh temperature caused by long-time continuous heating of the device is avoided.

Example 8

Referring to fig. 2 and 6, in the sealing manner of the joint of the wind source channel 26 and the joint gap of the drain channel 24 in embodiment 1, a control wind source sealing ring 8 is disposed between the outlet of the wind source channel 26 of the flange 7 and the first port of the wind source channel 26 of the main valve body 1, and a flange sealing ring 10 is disposed between the outlet of the drain channel 24 of the flange 7 and the first port of the drain channel 24 of the main valve body 1.

Example 9

Referring to fig. 2 and 6, in relation to the fixing manner of the pressure sensor 19 in embodiment 1, the main valve body 1 is provided with a sensor mounting groove, and the pressure sensor 19 is fixed in the sensor mounting groove by the sensor pressing block 21.

Example 10

Referring to fig. 1, compared to embodiment 1, main valve body 1 is provided with lifting lug 14.

Because automatic drainage device installs in the automobile body below, anti-drop and shock resistance are the problem of considering first, in the design, have set up the lug 14 that is used for anti-drop in main valve body 1 position, are connected with the reservoir through the steel cable. Meanwhile, a protective cover can be additionally arranged for secondary protection.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An automatic drainage device of a vehicle air pipeline comprises a main valve body, an intermediate body, a manual valve, a flange, a control module and a valve core, wherein the flange and the main valve body are respectively provided with a drainage channel, the drainage channel of the main valve body is of a three-way structure with three ports, an outlet of the drainage channel of the flange is connected and communicated with a first port of the drainage channel of the main valve body, a filter screen is arranged between the drainage channel of the flange and the first port, and the manual valve is arranged at a second port of the drainage channel of the main valve body; the intermediate body is provided with a pressure chamber, a drainage channel and a valve core installation chamber, and the pressure chamber is provided with two air ports; the slide valve is installed in a slide valve installing chamber of the intermediate body and comprises a valve sleeve, a reset spring, a piston and two conical sealing seats, a through hole arranged in the left-right direction is formed in the valve sleeve, the piston is inserted into the through hole from the right side and can move left and right along the through hole, the left end of the through hole serves as a water inlet, a water outlet leading to a drainage channel of the intermediate body is formed in a side hole wall of the through hole, the reset spring is sleeved on the right section of the valve sleeve, annular protrusions are formed in the right end of the piston and the outer wall of the valve sleeve, the slide valve is elastically compressed between the annular protrusion of the slide valve and the annular protrusion of the valve sleeve, the right end of the slide valve serves as a wind pressure receiving surface and is communicated with one of wind openings of the pressure chamber, and the annular surface of the right end of the slide valve is in sliding sealing with the inner wall of the slide, the piston slide seal is formed between the piston and the inner wall of the through hole of the valve sleeve through a seal ring, the water inlet is provided with two conical valve ports which are arranged in series in a back-to-back mode, the conical valve ports are located between two conical seal seats, the two conical seal seats are respectively used for sealing the two conical valve ports, a seal ring which is in seal contact with the inner wall of each conical valve port is arranged on the conical surface of each conical seal seat, each conical seal seat is fixed at the left end of the piston through a bolt, the two conical seal seats are arranged in the back-to-back mode and are separated from each other through a spacer, the outer diameter of the spacer is smaller than the minimum caliber of the water inlet, and when the conical seal seats do not seal the water inlet, the water inlet is communicated with the third port of the drainage channel of the main valve body, and the:

2. The automatic water drain device according to claim 1, wherein said valve plug is a cartridge valve plug detachably connected to said intermediate body, said valve housing is a cartridge valve housing detachably connected to said intermediate body, said cartridge valve housing is a cylindrical structure, and the outer wall of said cartridge valve housing is statically sealed with the inner wall of the water drain passage of said intermediate body through a sealing ring at both sides of the water drain opening.

3. The automatic water drain device according to claim 1, wherein said control module and said cartridge solenoid valve are both enclosed on said main valve body by a solenoid valve cover i and a solenoid valve cover ii, said solenoid valve cover i is detachably and fixedly connected to said main valve body, said solenoid valve cover ii is detachably and fixedly connected to said solenoid valve cover i, and said control module's associated aviation socket is mounted on said solenoid valve cover ii.

4. The automatic water drain device according to claim 3, wherein said main valve body is provided with a solenoid valve insertion groove, and said cartridge solenoid valve is fixed in said solenoid valve insertion groove by a solenoid valve pressing ring and a solenoid valve pressing block.

5. The automatic water discharge device according to claim 3, wherein a push button switch is disposed on said solenoid valve cover II, and is electrically connected to said control module for actively controlling the on/off state of said cartridge solenoid valve.

6. The vehicle air line automatic drain device according to claim 1, wherein a flow sensor is mounted proximate to said main valve body drain passage first port, said flow sensor being electrically connected to said control module.

7. The automatic water drain device according to claim 1, wherein a heating element mounting hole is further provided in a face of said flange facing said main valve body.

8. The automatic water drain device according to claim 1, wherein a control air source seal ring is disposed between the air source passage outlet of said flange and the air source passage first port of said main valve body, and a flange seal ring is disposed between the drain passage outlet of said flange and the drain passage first port of said main valve body.

9. The automatic water drain device according to claim 1, wherein said main valve body is provided with a sensor mounting groove, and said pressure sensor is fixed in said sensor mounting groove by a sensor pressing block.

10. The vehicle air line automatic drain device according to claim 1, wherein said main valve body is provided with a lug.