WO2022078221A1 - 流量调节阀 - Google Patents

流量调节阀 Download PDF

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Publication number
WO2022078221A1
WO2022078221A1 PCT/CN2021/121858 CN2021121858W WO2022078221A1 WO 2022078221 A1 WO2022078221 A1 WO 2022078221A1 CN 2021121858 W CN2021121858 W CN 2021121858W WO 2022078221 A1 WO2022078221 A1 WO 2022078221A1
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WO
WIPO (PCT)
Prior art keywords
valve
seat
flow regulating
sealing seat
regulating valve
Prior art date
Application number
PCT/CN2021/121858
Other languages
English (en)
French (fr)
Inventor
詹少军
陈勇好
徐冠军
Original Assignee
浙江盾安人工环境股份有限公司
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Publication date
Application filed by 浙江盾安人工环境股份有限公司 filed Critical 浙江盾安人工环境股份有限公司
Priority to JP2023515101A priority Critical patent/JP2023544974A/ja
Priority to KR1020237012505A priority patent/KR20230065346A/ko
Priority to US18/027,917 priority patent/US20240026986A1/en
Priority to EP21879267.9A priority patent/EP4206502A4/en
Publication of WO2022078221A1 publication Critical patent/WO2022078221A1/zh

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    • 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
    • F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
    • F16K17/044—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with more than one 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
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
    • F16K31/0644—One-way valve
    • F16K31/0655—Lift valves
    • 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
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32—Details
    • F16K1/34—Cutting-off parts, e.g. valve members, seats
    • F16K1/36—Valve members
    • 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
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32—Details
    • F16K1/34—Cutting-off parts, e.g. valve members, seats
    • F16K1/42—Valve seats
    • 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
    • F16K25/00—Details relating to contact between valve members and seats
    • F16K25/005—Particular materials for seats or closure elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/30—Expansion means; Dispositions thereof
    • F25B41/31—Expansion valves
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Definitions

  • the present application relates to the technical field of flow control valves, and in particular, to a flow control valve.
  • valve port In the flow regulating valve, the valve port is opened or closed by the movement of the valve head in the valve body.
  • the peripheral edge of the end of the valve head contacts the inner wall of the valve port to form a sealing surface, so as to achieve sealing to close the valve port.
  • the valve head and the valve body are both metal structures, and when the valve port is closed, the two are in hard contact, resulting in a small contact area and poor sealing.
  • the present application provides a flow regulating valve to improve the sealing performance of the flow regulating valve.
  • the present application provides a flow regulating valve, comprising: a valve body structure, the valve body structure includes a main body and a sealing seat connected with the main body, the sealing seat has a valve port, and the sealing seat It is made of non-metallic material; the valve head is movably arranged in the cavity of the main body to close or open the valve port, the valve head is made of metal material, and the hardness of the sealing seat is smaller than that of the The hardness of the valve head.
  • the sealing seat is made of a non-metallic material whose hardness is smaller than that of the valve head, when the valve port is closed, the valve head and the sealing seat are in contact, and the sealing seat is elastically deformed, so that the contact area between the sealing seat and the valve head is large, thereby The sealing effect of the valve port is improved.
  • the sealing seat is made of plastic.
  • the plastic material is used, and the elastic deformation of the sealing seat is large, so that the sealing effect can be improved, and the manufacturing cost is low.
  • the main body includes a valve seat and a cylinder body which are connected to each other, an installation cavity is formed between the valve seat and the cylinder body, and a part of the sealing seat is located in the installation cavity.
  • the inner side of the valve seat has a first limit step, and one end of the sealing seat has a second limit step, and the second limit step is in contact with the first limit step; the sealing The other end of the seat is in contact with the cylindrical body.
  • the outer side of the valve seat has a first matching step
  • the cylinder body has a second matching step
  • the second matching step is matched with the first matching step.
  • the cylinder body and the valve seat are both metal materials, and the cylinder body and the valve seat are welded and fixed and clamp the sealing seat. Specifically, laser welding can be used. By welding, the connection is firm and the reliability is good.
  • the flow regulating valve further comprises: a first valve pipe, which is connected with the valve seat; and a second valve pipe, which is connected with the cylinder body.
  • the connection between the flow regulating valve and other pipelines can be realized through the first valve pipe and the second valve pipe. After the valve port is opened, the first valve pipe and the second valve pipe are communicated.
  • valve port has a conical surface.
  • the flow regulating valve further comprises: a guide sleeve arranged in the cavity of the main body, and the valve head is movably arranged in the guide sleeve; a driving part, the driving part and the valve head a drive connection to drive the valve head to move.
  • the guide sleeve is used to guide the valve head.
  • the drive part can be driven by electromagnetic drive.
  • the flow regulating valve is an electronic expansion valve.
  • the flow regulating valve includes a valve body structure and a valve head, the valve body structure includes a main body and a sealing seat connected with the main body, the sealing seat has a valve port, and the sealing seat is made of non-metallic
  • the valve head is movably arranged in the cavity of the main body to close or open the valve port, the valve head is made of metal material, and the hardness of the sealing seat is smaller than that of the valve head.
  • the sealing seat is made of a non-metallic material whose hardness is smaller than that of the valve head, when the valve port is closed, the valve head and the sealing seat are in contact, and the sealing seat is elastically deformed, so that the contact area between the sealing seat and the valve head is large, thereby The sealing effect of the valve port is improved.
  • FIG. 1 shows a schematic structural diagram of a flow regulating valve provided by an embodiment of the present application
  • Fig. 2 shows a partial enlarged view of the flow regulating valve in Fig. 1;
  • Figure 3 shows a perspective view of a part of the structure in Figure 1;
  • FIG. 4 shows the exploded view of FIG. 3 .
  • valve body structure 10, valve body structure; 11, sealing seat; 111, second limit step; 112, conical surface; 12, valve seat; 121, first limit step; 122, first matching step; 13, cylinder body; 131, the second matching step; 20, the valve head; 31, the first valve pipe; 32, the second valve pipe; 40, the guide sleeve; 50, the driving part.
  • an embodiment of the present application provides a flow regulating valve, including: a valve body structure 10 , the valve body structure 10 includes a main body and a sealing seat 11 connected to the main body, and the sealing seat 11 has a valve port , the sealing seat 11 is made of non-metallic material; the valve head 20 is movably arranged in the cavity of the main body to close or open the valve port, the valve head 20 is made of metal material, and the hardness of the sealing seat 11 is smaller than that of the valve head 20 hardness.
  • the sealing seat 11 is made of a non-metallic material with a hardness lower than that of the valve head 20, when the valve port is closed, the valve head 20 contacts the sealing seat 11, and the sealing seat 11 is elastically deformed, so that the sealing seat 11 and the valve The contact area of the head 20 is large, thereby improving the sealing effect of the valve port.
  • the sealing seat 11 is made of plastic. Using plastic material, the sealing seat 11 has a large amount of elastic deformation, so that the sealing effect can be improved, and the manufacturing cost is low.
  • the main body includes a valve seat 12 and a cylinder body 13 connected to each other, an installation cavity is formed between the valve seat 12 and the cylinder body 13 , and a part of the sealing seat 11 is located in the installation cavity.
  • the inner side of the valve seat 12 has a first limit step 121
  • one end of the seal seat 11 has a second limit step 111
  • the second limit step 111 abuts against the first limit step 121;
  • One end is in contact with the cylindrical body 13 .
  • the outer side of the valve seat 12 has a first matching step 122
  • the cylinder 13 has a second matching step 131
  • the second matching step 131 is matched with the first matching step 122 .
  • the cylinder body 13 and the valve seat 12 are both metal materials, and the cylinder body 13 and the valve seat 12 are fixed by welding and clamp the sealing seat 11 .
  • the peripheral edge of the sealing seat 11 is clamped and fixed in the aforementioned installation cavity.
  • laser welding can be used. By welding, the connection is firm and the sealing performance is better.
  • the flow regulating valve further includes: a first valve pipe 31 connected to the valve seat 12 ; a second valve pipe 32 connected to the cylinder 13 .
  • the flow regulating valve and other pipelines can be connected through the first valve pipe 31 and the second valve pipe 32 . After the valve port is opened, the first valve pipe 31 and the second valve pipe 32 communicate with each other.
  • the inner wall of the valve port has a tapered surface 112 .
  • the tapered surface 112 Through the cooperation between the tapered surface 112 and the valve head 20, flow adjustment is facilitated.
  • the flow regulating valve further includes: a guide sleeve 40, which is arranged in the cavity of the main body, and the valve head 20 is movably arranged in the guide sleeve 40; a driving part 50, which is drivingly connected with the valve head 20, to drive the valve head 20 to move.
  • the guide sleeve 40 is used to guide the valve head 20 .
  • the driving part 50 can be driven electromagnetically.
  • the flow regulating valve can be set as an electronic expansion valve or other type of valve.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Lift Valve (AREA)

Abstract

一种流量调节阀，包括：阀体结构（10），阀体结构（10）包括主体和与主体连接的密封座（11），密封座（11）具有阀口，密封座（11）由非金属材料制成；阀头（20），可移动地设置在主体的腔体内，以关闭或打开阀口，阀头（20）由金属材料制成，密封座（11）的硬度小于阀头（20）的硬度。

Description

流量调节阀 技术领域
本申请涉及流量调节阀技术领域，具体而言，涉及一种流量调节阀。
背景技术
在流量调节阀中，通过阀头在阀体内的移动来打开或关闭阀口。现有技术中，通常是阀头端部的周缘和阀口的内壁接触形成密封面，从而实现密封以关闭阀口。但阀头和阀体都是金属结构，在关闭阀口时两者硬接触，导致接触面积小，密封性较差。
发明内容
本申请提供了一种流量调节阀，以提高流量调节阀的密封性。
为了实现上述目的，本申请提供了一种流量调节阀，包括：阀体结构，所述阀体结构包括主体和与所述主体连接的密封座，所述密封座具有阀口，所述密封座由非金属材料制成；阀头，可移动地设置在所述主体的腔体内，以关闭或打开所述阀口，所述阀头由金属材料制成，所述密封座的硬度小于所述阀头的硬度。
采用该方案，由于密封座由硬度比阀头小的非金属材料制成，在关闭阀口时，阀头和密封座接触，密封座产生弹性变形，这样密封座和阀头接触面积大，从而提高了阀口的密封效果。
进一步地，所述密封座由塑料制成。采用塑料材质，密封座弹性变形量大，从而可提高密封效果，并且制造成本低。
进一步地，所述主体包括相互连接的阀座和筒体，所述阀座和所述筒体之间具有安装腔，所述密封座的一部分位于所述安装腔内。通过上述设置，便于密封座的布置和安装。
进一步地，所述阀座的内侧具有第一限位台阶，所述密封座的一端具有第二限位台阶，所述第二限位台阶和所述第一限位台阶抵接；所述密封座的另一端和所述筒体抵接。这样通过第一限位台阶和第二限位台阶的配合，可对密封座进行精确定位和限位。
进一步地，所述阀座的外侧具有第一配合台阶，所述筒体具有第二配合台阶，所述第二配合台阶和所述第一配合台阶配合。通过第二配合台阶和第一配合台阶的配合，实现了阀座和筒体的精确定位，从而便于两者的装配和连接。
进一步地，所述筒体和所述阀座均为金属材料，所述筒体和所述阀座焊接固定并夹持所述密封座。具体地，可采用激光焊接。采用焊接的方式，连接牢固，可靠性好。
进一步地，所述流量调节阀还包括：第一阀管，所述第一阀管和所述阀座连接；第二阀管，所述第二阀管和所述筒体连接。通过第一阀管和第二阀管可实现流量调节阀和其他管路的连接。阀口打开后，第一阀管和第二阀管连通。
进一步地，所述阀口的内壁具有锥形面。通过锥形面和阀头的配合，便于进行流量调节。
进一步地，所述流量调节阀还包括：导向套，设置在所述主体的腔体内，所述阀头可移动地设置在所述导向套内；驱动部，所述驱动部和所述阀头驱动连接，以驱动所述阀头移动。导向套用于对阀头进行导向。驱动部可采用电磁驱动的方式。
进一步地，所述流量调节阀为电子膨胀阀。
应用本申请的技术方案，提供了一种流量调节阀，流量调节阀包括阀体结构和阀头，阀体结构包括主体和与主体连接的密封座，密封座具有阀口，密封座由非金属材料制成；阀头可移动地设置在主体的腔体内，以关闭或打开阀口，阀头由金属材料制成，密封座的硬度小于阀头的硬度。采用该方案，由于密封座由硬度比阀头小的非金属材料制成，在关闭阀口时，阀头和密封座接触，密封座产生弹性变形，这样密封座和阀头接触面积大，从而提高了阀口的密封效果。
附图说明
构成本申请的一部分的说明书附图用来提供对本申请的进一步理解，本申请的示意性实施例及其说明用于解释本申请，并不构成对本申请的不当限定。在附图中：
图1示出了本申请的实施例提供的流量调节阀的结构示意图；
图2示出了图1中的流量调节阀的局部放大图；
图3示出了图1中的一部分结构的立体图；
图4示出了图3的爆炸图。
其中，上述附图包括以下附图标记：
10、阀体结构；11、密封座；111、第二限位台阶；112、锥形面；12、阀座；121、第一限位台阶；122、第一配合台阶；13、筒体；131、第二配合台阶；20、阀头；31、第一阀管；32、第二阀管；40、导向套；50、驱动部。
具体实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述。显然，所描述的实施例仅仅是本申请一部分实施例，而不是全部的实施例。以下对至少一个示例性实施例的描述实际上仅仅是说明性的，决不作为对本申请及其应用或使用的任何 限制。基于本申请中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
如图1至图4所示，本申请的实施例提供了一种流量调节阀，包括：阀体结构10，阀体结构10包括主体和与主体连接的密封座11，密封座11具有阀口，密封座11由非金属材料制成；阀头20，可移动地设置在主体的腔体内，以关闭或打开阀口，阀头20由金属材料制成，密封座11的硬度小于阀头20的硬度。
采用该方案，由于密封座11由硬度比阀头20小的非金属材料制成，在关闭阀口时，阀头20和密封座11接触，密封座11产生弹性变形，这样密封座11和阀头20接触面积大，从而提高了阀口的密封效果。
在本实施例中，密封座11由塑料制成。采用塑料材质，密封座11弹性变形量大，从而可提高密封效果，并且制造成本低。
具体地，主体包括相互连接的阀座12和筒体13，阀座12和筒体13之间具有安装腔，密封座11的一部分位于安装腔内。通过上述设置，便于密封座11的布置和安装。
进一步地，阀座12的内侧具有第一限位台阶121，密封座11的一端具有第二限位台阶111，第二限位台阶111和第一限位台阶121抵接；密封座11的另一端和筒体13抵接。这样通过第一限位台阶121和第二限位台阶111的配合，可对密封座11进行精确定位和限位。
在本实施例中，阀座12的外侧具有第一配合台阶122，筒体13具有第二配合台阶131，第二配合台阶131和第一配合台阶122配合。通过第二配合台阶131和第一配合台阶122的配合，实现了阀座12和筒体13的精确定位，从而便于两者的装配和连接。
在本实施例中，筒体13和阀座12均为金属材料，筒体13和阀座12焊接固定并夹持密封座11。筒体13和阀座12焊接为一体后，密封座11的周缘被夹持固定于前述安装腔内。具体地，可采用激光焊接。采用焊接的方式，连接牢固，密封性更好。
在本实施例中，流量调节阀还包括：第一阀管31，第一阀管31和阀座12连接；第二阀管32，第二阀管32和筒体13连接。通过第一阀管31和第二阀管32可实现流量调节阀和其他管路的连接。阀口打开后，第一阀管31和第二阀管32连通。
在本实施例中，阀口的内壁具有锥形面112。通过锥形面112和阀头20的配合，便于进行流量调节。
在本实施例中，流量调节阀还包括：导向套40，设置在主体的腔体内，阀头20可移动地设置在导向套40内；驱动部50，驱动部50和阀头20驱动连接，以驱动阀头20移动。导向套40用于对阀头20进行导向。驱动部50可采用电磁驱动的方式。
流量调节阀可以设置为电子膨胀阀或其他类型的阀门。
以上仅为本申请的优选实施例而已，并不用于限制本申请，对于本领域的技术人员来说，本申请可以有各种更改和变化。凡在本申请的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本申请的保护范围之内。

Claims (10)

  1. 一种流量调节阀，其特征在于，包括：
    阀体结构(10)，所述阀体结构(10)包括主体和与所述主体连接的密封座(11)，所述密封座(11)具有阀口，所述密封座(11)由非金属材料制成；
    阀头(20)，可移动地设置在所述主体的腔体内，以关闭或打开所述阀口，所述阀头(20)由金属材料制成，所述密封座(11)的硬度小于所述阀头(20)的硬度。
  2. 根据权利要求1所述的流量调节阀，其特征在于，所述密封座(11)由塑料制成。
  3. 根据权利要求1所述的流量调节阀，其特征在于，所述主体包括相互连接的阀座(12)和筒体(13)，所述阀座(12)和所述筒体(13)之间具有安装腔，所述密封座(11)的一部分位于所述安装腔内。
  4. 根据权利要求3所述的流量调节阀，其特征在于，所述阀座(12)的内侧具有第一限位台阶(121)，所述密封座(11)的一端具有第二限位台阶(111)，所述第二限位台阶(111)和所述第一限位台阶(121)抵接；所述密封座(11)的另一端和所述筒体(13)抵接。
  5. 根据权利要求3所述的流量调节阀，其特征在于，所述阀座(12)的外侧具有第一配合台阶(122)，所述筒体(13)具有第二配合台阶(131)，所述第二配合台阶(131)和所述第一配合台阶(122)配合。
  6. 根据权利要求3所述的流量调节阀，其特征在于，所述筒体(13)和所述阀座(12)均为金属材料，所述筒体(13)和所述阀座(12)焊接固定并夹持所述密封座(11)。
  7. 根据权利要求3所述的流量调节阀，其特征在于，所述流量调节阀还包括：
    第一阀管(31)，所述第一阀管(31)和所述阀座(12)连接；
    第二阀管(32)，所述第二阀管(32)和所述筒体(13)连接。
  8. 根据权利要求1所述的流量调节阀，其特征在于，所述阀口的内壁具有锥形面(112)。
  9. 根据权利要求1所述的流量调节阀，其特征在于，所述流量调节阀还包括：
    导向套(40)，设置在所述主体的腔体内，所述阀头(20)可移动地设置在所述导向套(40)内；
    驱动部(50)，所述驱动部(50)和所述阀头(20)驱动连接，以驱动所述阀头(20)移动。
  10. 根据权利要求1所述的流量调节阀，其特征在于，所述流量调节阀为电子膨胀阀。
PCT/CN2021/121858 2020-10-12 2021-09-29 流量调节阀 WO2022078221A1 (zh)

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US18/027,917 US20240026986A1 (en) 2020-10-12 2021-09-29 Flow Regulating Valve
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