CN103912697B - Subway air source system suction valve - Google Patents

Subway air source system suction valve Download PDF

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Publication number
CN103912697B
CN103912697B CN201410154529.9A CN201410154529A CN103912697B CN 103912697 B CN103912697 B CN 103912697B CN 201410154529 A CN201410154529 A CN 201410154529A CN 103912697 B CN103912697 B CN 103912697B
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China
Prior art keywords
valve
valve body
bleeder
inlet
discharge
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
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CN201410154529.9A
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Chinese (zh)
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CN103912697A (en
Inventor
张春荣
邱克敏
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Nantong Red Star Air Compressor Parts Manufacturing Co ltd
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Nantong Red Star Air Compressor Parts Manufacturing Co ltd
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Priority to CN201410154529.9A priority Critical patent/CN103912697B/en
Publication of CN103912697A publication Critical patent/CN103912697A/en
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Publication of CN103912697B publication Critical patent/CN103912697B/en
Expired - Fee Related legal-status Critical Current
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • F16K11/10—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00—Check valves
    • F16K15/02—Check valves with guided rigid valve members
    • F16K15/06—Check valves with guided rigid valve members with guided stems
    • F16K15/063—Check valves with guided rigid valve members with guided stems the valve being loaded by a spring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
    • F16K17/164—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side and remaining closed after return of the normal pressure

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Check Valves (AREA)

Abstract

本发明涉及一种地铁风源系统吸气阀，包括吸气阀和泄放阀，吸气阀和泄放阀为一体式，所述吸气阀包括阀体，阀体的一端为吸气阀进口，阀体的另一端通过阀体中的泄放阀出口与泄放阀相通，阀体的下部为与吸气阀进口相通的吸气阀出口，吸气阀出口中设有与阀体相接触的止回阀，泄放阀包括泄放阀阀体，泄放阀阀体中设有阀芯组件，阀芯组件的上部设有阀盖，阀盖上设有泄放阀入口，阀芯组件的下部设有密封端盖，阀芯组件与密封端盖之间为泄放阀控制口，泄放阀控制口通过通道与吸气阀出口相通。本发明具有结构紧凑，泄漏点少，可以完全释放空气压缩机系统压力的优点。

The present invention relates to a subway air source system air intake valve, comprising an air intake valve and a discharge valve, the air intake valve and the discharge valve are integrated, the air intake valve comprises a valve body, one end of the valve body is an air intake valve inlet, the other end of the valve body is communicated with the discharge valve through a discharge valve outlet in the valve body, the lower part of the valve body is an air intake valve outlet communicated with the air intake valve inlet, a check valve in contact with the valve body is arranged in the air intake valve outlet, the discharge valve comprises a discharge valve body, a valve core assembly is arranged in the discharge valve body, a valve cover is arranged on the upper part of the valve core assembly, a discharge valve inlet is arranged on the valve cover, a sealing end cover is arranged on the lower part of the valve core assembly, a discharge valve control port is between the valve core assembly and the sealing end cover, and the discharge valve control port is communicated with the air intake valve outlet through a channel. The present invention has the advantages of compact structure, few leakage points, and can completely release the pressure of the air compressor system.

Description

地铁风源系统吸气阀Subway air source system suction valve

技术领域technical field

本发明涉及一种用于地铁刹车系统和车门开关的地铁风源系统吸气阀。The invention relates to an air suction valve of a subway air source system used for a subway brake system and a car door switch.

背景技术Background technique

现有的地铁上的吸气阀和泄放阀一般都是分开的，体积较大，在安装时占用较大的面积，泄放阀与吸气阀之间采用管路连接，成本高，泄漏点多，且泄放阀为弹簧式，这样通流面积较小，泄放速度较慢，无法完全释放空气压缩机系统压力，而地铁用风源系统要求停机后系统内部压力需要在很短的时间内下降至零，而现有的吸气阀与泄放阀不能完全释放系统内部压力，所以不能充分满足地铁风源系统的要求，另外泄放阀的控制还需要由电磁阀控制，降低了可靠性，且增加了生产成本。The suction valve and discharge valve on the existing subway are generally separated, the volume is large, and it occupies a large area during installation. The connection between the discharge valve and the suction valve is high cost and leakage There are many points, and the discharge valve is spring type, so the flow area is small, the discharge speed is slow, and the pressure of the air compressor system cannot be completely released, and the air source system for the subway requires that the internal pressure of the system needs to be within a short time after the shutdown. time to zero, and the existing suction valve and discharge valve cannot completely release the internal pressure of the system, so they cannot fully meet the requirements of the subway air source system. In addition, the control of the discharge valve needs to be controlled by a solenoid valve, which reduces the reliability, and increased production costs.

发明内容Contents of the invention

本发明的目的是为了克服以上的不足，提供一种泄放阀与进气阀一体式设计，结构紧凑，泄漏点少，可以完全释放空气压缩机系统压力的地铁风源系统吸气阀。The purpose of the present invention is to overcome the above disadvantages and provide a subway air source system suction valve with integrated design of discharge valve and intake valve, compact structure, few leakage points, and can completely release the pressure of the air compressor system.

本发明的目的通过以下技术方案来实现：一种地铁风源系统吸气阀，包括吸气阀和泄放阀，吸气阀和泄放阀为一体式。The object of the present invention is achieved through the following technical solutions: an air intake valve for a subway air source system, comprising an intake valve and a discharge valve, the intake valve and the discharge valve are integrated.

本发明的进一步改进在于：所述吸气阀包括阀体，阀体的一端为吸气阀进口，阀体的另一端通过阀体中的泄放阀出口与泄放阀相通，阀体的下部为与吸气阀进口相通的吸气阀出口，吸气阀出口中设有与阀体相接触的止回阀。The further improvement of the present invention is: the suction valve includes a valve body, one end of the valve body is the inlet of the suction valve, the other end of the valve body communicates with the discharge valve through the outlet of the discharge valve in the valve body, and the lower part of the valve body The outlet of the suction valve communicates with the inlet of the suction valve, and the outlet of the suction valve is provided with a check valve in contact with the valve body.

本发明的进一步改进在于：所述泄放阀包括泄放阀阀体，泄放阀阀体中设有阀芯组件，阀芯组件的上部设有阀盖，阀盖上设有泄放阀入口，阀芯组件的下部设有密封端盖，阀芯组件与密封端盖之间为泄放阀控制口，泄放阀控制口通过通道与吸气阀出口相通。The further improvement of the present invention is that: the relief valve includes a relief valve body, a valve core assembly is arranged in the relief valve body, a valve cover is provided on the upper part of the valve core assembly, and a discharge valve inlet is provided on the valve cover , the lower part of the spool assembly is provided with a sealing end cover, the control port of the discharge valve is between the spool assembly and the sealing end cover, and the control port of the discharge valve communicates with the outlet of the suction valve through a channel.

本发明的进一步改进在于：所述止回阀包括止回阀芯、弹簧座，弹簧座套在止回阀芯上，止回阀芯与所述弹簧座之间设有弹簧，弹簧座通过孔用卡簧与止回阀芯固定。The further improvement of the present invention is that: the check valve includes a check valve core and a spring seat, the spring seat is sleeved on the check valve core, a spring is arranged between the check valve core and the spring seat, and the spring seat passes through the hole Fix with circlip and check valve core.

本发明的进一步改进在于：所述阀盖与泄放阀阀体之间、阀芯组件与泄放阀阀体之间、密封端盖与泄放阀阀体之间均设有密封圈。The further improvement of the present invention lies in that sealing rings are provided between the valve cover and the valve body of the discharge valve, between the valve core assembly and the valve body of the discharge valve, and between the sealing end cover and the valve body of the discharge valve.

本发明与现有技术相比具有以下优点：Compared with the prior art, the present invention has the following advantages:

1.采用无弹簧结构泄放阀，通流面积大，相比原弹簧式泄放阀，泄放速度快，可以完全释放空气压缩机系统压力，而原弹簧式泄放阀无法完全释放系统压力。1. It adopts a springless structure relief valve with a large flow area. Compared with the original spring relief valve, the relief speed is faster and can completely release the pressure of the air compressor system, while the original spring relief valve cannot completely release the system pressure .

2.泄放阀由主机内部压力控制，无需外部电磁阀控制，既提高了可靠性，又降低了成本。2. The relief valve is controlled by the internal pressure of the main engine, without external solenoid valve control, which not only improves the reliability but also reduces the cost.

3.止回阀芯定位部分为局部接触，摩擦力小，不容易卡阻，止回功能可靠。3. The positioning part of the check valve core is in partial contact, with small friction, not easy to be blocked, and the check function is reliable.

附图说明：Description of drawings:

图1为本发明的结构示意图；Fig. 1 is a structural representation of the present invention;

图中标号：1-阀体、2-吸气阀进口、3-泄放阀出口、4-吸气阀出口、5-泄放阀阀体、6-阀芯组件、7-阀盖、8-泄放阀入口、9-密封端盖、10-泄放阀控制口、11-通道、12-止回阀芯、13-弹簧座、14-弹簧、15-孔用卡簧、16-密封圈。Labels in the figure: 1-valve body, 2-intake valve inlet, 3-discharge valve outlet, 4-suction valve outlet, 5-discharge valve body, 6-spool assembly, 7-bonnet, 8 -Relief valve inlet, 9-sealing end cover, 10-control port of relief valve, 11-channel, 12-check valve core, 13-spring seat, 14-spring, 15-circlip for hole, 16-sealing lock up.

具体实施方式：detailed description:

为了加深对本发明的理解，下面将结合实施例和附图对本发明作进一步详述，该实施例仅用于解释本发明，并不构成对本发明保护范围的限定。In order to deepen the understanding of the present invention, the present invention will be further described below in conjunction with the embodiments and accompanying drawings. The embodiments are only used to explain the present invention and do not constitute a limitation to the protection scope of the present invention.

如图1示出了本发明一种地铁风源系统吸气阀的具体实施方式，包括吸气阀和泄放阀，吸气阀和泄放阀为一体式，吸气阀包括阀体1，阀体1的一端为吸气阀进口2，阀体1的另一端通过阀体1中的泄放阀出口3与泄放阀相通，阀体1的下部为与吸气阀进口2相通的吸气阀出口4，吸气阀出口4中设有与阀体1相接触的止回阀，泄放阀包括泄放阀阀体5，泄放阀阀体5中设有阀芯组件6，阀芯组件6的上部设有阀盖7，阀盖7上设有泄放阀入口8，阀芯组件6的下部设有密封端盖9，阀芯组件6与密封端盖9之间为泄放阀控制口10，泄放阀控制口10通过通道11与吸气阀出口4相通，止回阀包括止回阀芯12、弹簧座13，弹簧座13套在止回阀芯12上，止回阀芯12与弹簧座13之间设有弹簧14，弹簧座13通过孔用卡簧15与止回阀芯12固定，阀盖7与泄放阀阀体5之间、阀芯组件6与泄放阀阀体5之间、密封端盖9与泄放阀阀体5之间均设有密封圈16。Figure 1 shows a specific embodiment of an air suction valve for a subway air source system according to the present invention, including an air suction valve and a discharge valve, the suction valve and the discharge valve are integrated, and the suction valve includes a valve body 1, One end of the valve body 1 is the suction valve inlet 2, the other end of the valve body 1 communicates with the discharge valve through the discharge valve outlet 3 in the valve body 1, and the lower part of the valve body 1 is the suction valve connected with the suction valve inlet 2. The air valve outlet 4 and the suction valve outlet 4 are provided with a check valve in contact with the valve body 1, and the discharge valve includes a discharge valve body 5, and a valve core assembly 6 is provided in the discharge valve body 5, and the valve The upper part of the core assembly 6 is provided with a valve cover 7, the valve cover 7 is provided with a discharge valve inlet 8, and the lower part of the valve core assembly 6 is provided with a sealing end cover 9, and the valve core assembly 6 and the sealing end cover 9 are for relief. The valve control port 10, the discharge valve control port 10 communicates with the suction valve outlet 4 through the channel 11, the check valve includes a check valve core 12, a spring seat 13, the spring seat 13 is sleeved on the check valve core 12, and the check valve core 12 A spring 14 is arranged between the spool 12 and the spring seat 13, and the spring seat 13 is fixed with the check spool 12 by the circlip 15 through the hole. A sealing ring 16 is arranged between the discharge valve body 5 and between the sealing end cover 9 and the discharge valve body 5 .

本发明所述的风源系统吸气阀要用于地铁刹车系统和车门开关，工作方式为间断性工作，吸气阀集成泄放阀，吸气阀依靠阀前后的压差，自动打开，空压机正常加载，当排气压力达到设定值后，空压机停机，吸气阀阀芯在弹簧力的作用下复位，由机头吸气腔内的压力压紧阀芯密封，同时机头吸气腔内的压力通过内部通路，进入泄放阀的控制端，由于面积差的原理，推动活塞打开，系统内部压力通过泄放阀迅速放空，由此满足地铁风源系统对于停机后系统内部压力迅速放空到零的要求。The suction valve of the air source system described in the present invention is to be used in the subway brake system and the door switch, and the working mode is intermittent work. The suction valve is integrated with a discharge valve. The compressor is normally loaded. When the exhaust pressure reaches the set value, the air compressor stops, and the suction valve core resets under the action of the spring force. The pressure in the head suction chamber enters the control end of the discharge valve through the internal passage. Due to the principle of area difference, the piston is pushed to open, and the internal pressure of the system is quickly emptied through the discharge valve, thus satisfying the requirements of the subway air source system for the system after shutdown. The requirement that the internal pressure be rapidly vented to zero.

Claims (3)

1. a subway air supply system inlet valve, including inlet valve and bleeder valve, it is characterised in that: described inlet valve and bleeder valve For integral type, described inlet valve includes that valve body (1), one end of described valve body (1) are inlet valve import (2), described valve body (1) The other end exports (3) by the bleeder valve in valve body (1) and communicates with bleeder valve, and the bottom of described valve body (1) is for enter with inlet valve Inlet valve outlet (4) that mouth (2) communicates, is provided with, in described inlet valve outlet (4), the check-valves contacted with valve body (1), described Bleeder valve includes bleeder valve valve body (5), is provided with core assembly (6) in described bleeder valve valve body (5), described core assembly (6) Top is provided with valve gap (7), and described valve gap (7) is provided with bleeder valve entrance (8), and the bottom of described core assembly (6) is provided with sealing End cap (9), controls mouth (10) for bleeder valve between described core assembly (6) and described end cover (9), and described bleeder valve controls Mouth (10) is communicated with described inlet valve outlet (4) by passage (11).
Subway air supply system inlet valve the most according to claim 1, it is characterised in that: described check-valves includes non-return valve core (12), spring base (13), described spring base (13) is enclosed within described non-return valve core (12), described non-return valve core (12) and described bullet Being provided with spring (14) between spring abutment (13), described spring base (13) is solid with described non-return valve core (12) by hole jump ring (15) Fixed.
Subway air supply system inlet valve the most according to claim 2, it is characterised in that: described valve gap (7) and described bleeder valve Between valve body (5), between described core assembly (6) and described bleeder valve valve body (5), described end cover (9) releases with described Sealing ring (16) it is equipped with between valve body (5).
CN201410154529.9A 2014-04-17 2014-04-17 Subway air source system suction valve Expired - Fee Related CN103912697B (en)

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CN103912697B true CN103912697B (en) 2016-08-17

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Publication number Priority date Publication date Assignee Title
CN104713722A (en) * 2015-04-15 2015-06-17 特瑞斯（北京）流体科技有限公司 Self-closed compression test tool
CN106286229A (en) * 2016-09-27 2017-01-04 德哈哈压缩机江苏有限公司 Intake valve and apply its air compressor
CN108425832A (en) * 2018-01-25 2018-08-21 温州曼哲科技有限公司 A kind of normally closed intake valve of air compressor
CN110185622A (en) * 2019-06-24 2019-08-30 南通市红星空压机配件制造有限公司 Air inlet valve for variable-frequency screw air compressor

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Granted publication date: 20160817