Air outlet valve of double-tower adsorption type air dryer

Abstract

The utility model discloses an air outlet valve of a double-tower adsorption type air dryer. The air outlet valve is composed of an air outlet valve body, a fastening bolt, an elastic washer, a flat washer, an air outlet valve cover, an exhaust connector, an electromagnetic valve, a valve cover upper sealing ring, a valve cover lower sealing ring, a one-way valve element and a one-way valve spring. According to the structure of the air outlet valve of the double-tower adsorption type air dryer, a one-way valve spring is plugged into an inner cavity of a one-way valve element and then placed into an inner cavity of an air outlet valve body, and it is ensured that a one-way valve can move smoothly without jamming. The air outlet valve cover is matched with the valve cover upper sealing ring and the valve cover lower sealing ring to plug the left end and the right end of the air outlet valve body, and fastening bolts are matched with the elastic washer and the flat washer to fasten. And the exhaust joint and the electromagnetic valve are screwed into the mounting hole of the air outlet valve body. The air outlet valve of the double-tower adsorption type air dryer adopts a one-way valve for reversing, and is sensitive and reliable; the air outlet valve of the double-tower adsorption type air dryer is simple in structure and not easy to break down; the air outlet valve of the double-tower adsorption type air dryer adopts the electromagnetic valve to take air regularly, and is reliable and effective.

Description

TECHNICAL FIELD

[0001] The utility model relates to a double-tower adsorption type air dryer outlet valve, in particular to a double-tower adsorption type air dryer outlet valve with automatic reversing, timing air taking and simple structure. BACKGROUND

[0002] At present, many cities in China are speeding up the construction of railways, and with the successful construction of the subway in these cities, the total subway mileage in China will be further improved. In particular, in order to promote the sustainable development of China's transportation construction, on the basis of protecting the environment, saving urban land and resources, it is more necessary to develop subway transportation, so it is believed that with the development of cities in China, there is still great development space for domestic city subway construction in the future, and it will inevitably become an indispensable transportation mode in future city development.

[0003] During the operation of the subway, an air dryer is needed to process compressed air to provide clean and dry compressed air for the arch system, braking system and main short circuit of the subway vehicle, so as to ensure the stable and reliable operation of the subway vehicle. It is a powerful guarantee for the reliable operation of the subway vehicle and an indispensable part of the subway vehicle.

[0004] At present, the outlet valve part of the double-tower adsorption type air dryer in China has the problems of difficult reversing, complex structure and troublesome air taking. UTILITY MODEL CONTENTS

[0005] The utility model discloses a double-tower adsorption type air dryer outlet valve in view of the problems in the prior art, solves the technical defects that the outlet valve of the double-tower adsorption type air dryer is difficult to reverse, the outlet valve of the double-tower adsorption type air dryer is complex in structure and prone to failure, and the outlet valve of the double-tower adsorption type air dryer is troublesome to take air. Through the scheme of the utility model, the outlet valve of the double-tower adsorption type air dryer of the utility model reverses by using a check valve, is sensitive and reliable, the outlet valve of the double-tower adsorption type air dryer of the utility model is simple in structure and not prone to failure, and the outlet valve of the double-tower adsorption type air dryer of the utility model takes air by using a solenoid valve at regular time, and is reliable and effective.

[0006] The utility model is realized as follows:

[0007] A double-tower adsorption type air dryer outlet valve, including check valve core, the check valve core inner chamber is inserted check valve spring, the whole of check valve core, check valve spring is placed in the inner chamber of outlet valve body, with the valve cover upper sealing ring and the valve cover lower sealing ring of outlet valve cover are blocked on the left and right two ends of outlet valve body and are fastened with the fastening bolt, and the spring washer and the flat washer are fastened, the exhaust joint and the solenoid valve are screwed into the mounting hole of outlet valve body. The outlet valve is a double-tower structure of symmetrical structure, and the left and right structures are consistent.

[0008] Further, the air outlet valve body is provided with an air inlet of the air outlet valve, an air outlet of the air outlet valve, an air taking port of the air outlet valve body, an air taking channel of the air outlet valve body, and an air outlet of the exhaust joint.

[0009] Further, during the working of the double-tower adsorption dryer, compressed air is sucked by the air inlet valve, dried by the adsorption of the drying tower, enters the air outlet valve through the air inlet of the air outlet valve, enters the inner cavity of the air outlet valve cover through the side hole of the air outlet valve cover, opens the one-way valve core through the bottom outlet of the air outlet valve cover, enters the inner cavity of the one-way valve core through the side hole of the one-way valve core, and finally leads out clean and dry compressed air through the air outlet of the air outlet valve.

[0010] Further, during the whole working process, the electromagnetic valve is controlled by the controller, clean and dry compressed air is taken from the air taking port of the air outlet valve body at regular time, the air enters the air inlet of the electromagnetic valve, then enters the air taking channel of the air outlet valve body through the air outlet of the electromagnetic valve, and finally supplies air to the air inlet valve through the air outlet of the exhaust joint.

[0011] The beneficial effects of the utility model compared with the prior art are that:

[0012] 1. The air outlet valve of the double-tower adsorption air dryer adopts a one-way valve structure, and the air outlet of the drying tower is reversed by the driving of compressed air, so that the left tower outlet is closed when the right tower outlet is opened, and the processed compressed air of the left tower cannot enter the right tower.

[0013] 2. The air outlet valve structure of the double-tower adsorption air dryer is simple and not prone to failure.

[0014] 3. The air outlet valve of the double-tower adsorption air dryer adopts a controller to control the electromagnetic valve to take air at regular time, which is reliable and effective. DRAWINGS

[0015] Figure 1 It is a front view of the air dryer air outlet valve.

[0016] Figure 2 It is a side view of the air dryer air outlet valve.

[0017] Figure 3 It is a front sectional view of the air dryer air outlet valve.

[0018] Figure 4 It is a side sectional view of the air dryer air outlet valve.

[0019] Wherein, 1 - outlet valve body, 2 - fastening bolt, 3 - elastic washer, 4 - flat washer, 5 - outlet valve cover, 6 - exhaust joint, 7 - solenoid valve, 8 - upper seal ring of valve cover, 9 - lower seal ring of valve cover, 10 - one-way valve core, 11 - one-way valve spring;12 - the air inlet of outlet valve, 13 - the side hole of outlet valve cover, 14 - the bottom outlet of outlet valve cover, 15 - the side hole of one-way valve core, 16 - outlet valve outlet, 17 - the air inlet of outlet valve body, 18 - solenoid valve air inlet, 19 - solenoid valve outlet, 20 - outlet valve body air inlet channel, 21 - exhaust joint air outlet. DETAILED DESCRIPTION

[0020] To make the purpose, technical scheme and effect of the utility model more clear, the utility model is further explained in detail by the following examples.

[0021] As Figures 1-4 shown, the utility model discloses a kind of double-tower adsorption type air dryer outlet valve with automatic reversing, timing air taking and simple structure. It is by outlet valve body 1, fastening bolt 2, elastic washer 3, flat washer 4, outlet valve cover 5, exhaust joint 6, solenoid valve 7, upper seal ring of valve cover 8, lower seal ring of valve cover 9, one-way valve core 10, one-way valve spring 11 Composition.

[0022] The structure of double-tower adsorption type air dryer outlet valve is that one-way valve core 10 inner cavity is inserted one-way valve spring 11 then is placed into the inner cavity of outlet valve body 1, and ensure that one-way valve can move smoothly without jam. With outlet valve cover 5 is matched with upper seal ring of valve cover 8 and lower seal ring of valve cover 9, and is fastened with fastening bolt 2 is matched with elastic washer 3 and flat washer 4. Exhaust joint 6 and solenoid valve 7 are screwed into the mounting hole of outlet valve body 1.

[0023] Double-tower adsorption type dryer works by inlet valve suction compressed air, after drying tower adsorption drying through the air inlet 12 of outlet valve into outlet valve, then through outlet valve cover side hole 13 into the inner cavity of outlet valve cover 5, again through outlet valve cover bottom outlet 14 top one-way valve core 10, by one-way valve core side hole 15 into the inner cavity of one-way valve core 10. Finally, clean and dry compressed air is discharged by outlet valve outlet 16.

[0024] In the whole working process, solenoid valve is controlled by controller, and clean and dry compressed air is taken from outlet valve body air inlet 17, air enters solenoid valve air inlet 18, then passes through solenoid valve outlet 19 and enters outlet valve body air inlet channel 20 to exhaust joint 6, and finally air is supplied to inlet valve by exhaust joint air outlet 21.

[0025] The above merely is the preferred embodiment of the present application, it should be pointed out that, for ordinary skilled person in the art, without departing from the principles of the present application, can make a number of improvements, these improvements also should be considered as the protection scope of the present application.

Claims

1. A dual tower adsorption air dryer outlet valve characterized by, The air outlet valve is a double-tower structure with symmetrical structure, and the left and right structures are consistent; the one-way valve core (10) is provided; the one-way valve spring (11) is inserted into the inner cavity of the one-way valve core (10), and the one-way valve core (10) and the one-way valve spring (11) are arranged in the inner cavity of the air outlet valve body (1); the one-way valve core (10) automatically changes direction; The air outlet valve cover (5) is matched with the upper sealing ring (8) and the lower sealing ring (9) of the valve cover to block the left and right ends of the air outlet valve body (1), and the fastening bolt (2) is matched with the elastic washer (3) and the flat washer (4) to be fastened; The exhaust joint (6) and the electromagnetic valve (7) are screwed into the mounting hole of the air outlet valve body (1).

2. A dual column adsorption air dryer outlet valve according to claim 1, wherein, The air outlet valve body (1) is provided with an air inlet (12), an air outlet (16), an air outlet valve body air outlet (17), an air outlet valve body air outlet channel (20), and an exhaust joint air outlet (21); the air outlet valve cover (5) is provided with a side hole (13) and a bottom outlet (14); the one-way valve core is provided with a side hole (15); the electromagnetic valve (7) is provided with an air inlet (18) and an air outlet (19).

3. A twin tower adsorption air dryer outlet valve according to claim 2, wherein, During the working of the double-tower adsorption dryer, compressed air is sucked by the air inlet valve, dried by the drying tower, and then enters the air outlet valve through the air inlet (12) of the air outlet valve, and then enters the inner cavity of the air outlet valve cover (5) through the side hole (13) of the air outlet valve cover, and then opens the one-way valve core (10) through the bottom outlet (14) of the air outlet valve cover, and then enters the inner cavity of the one-way valve core (10) through the side hole (15) of the one-way valve core, and finally the clean and dry compressed air is discharged through the air outlet (16).

4. A twin tower adsorption air dryer outlet valve according to claim 3, wherein, During the whole working process, the electromagnetic valve is controlled by the controller, and clean and dry compressed air is taken from the air outlet valve body air outlet (17) at a certain time, and then enters the electromagnetic valve air inlet (18), and then enters the air outlet valve body air outlet channel (20) through the electromagnetic valve air outlet (19) to exhaust the exhaust joint (6), and finally the exhaust joint air outlet (21) supplies air to the air inlet valve.

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