WO2021175028A1 - 电子膨胀阀螺母座结构及其安装方法 - Google Patents

电子膨胀阀螺母座结构及其安装方法 Download PDF

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Publication number
WO2021175028A1
WO2021175028A1 PCT/CN2021/072738 CN2021072738W WO2021175028A1 WO 2021175028 A1 WO2021175028 A1 WO 2021175028A1 CN 2021072738 W CN2021072738 W CN 2021072738W WO 2021175028 A1 WO2021175028 A1 WO 2021175028A1
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Prior art keywords
nut seat
electronic expansion
valve
expansion valve
seat
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PCT/CN2021/072738
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English (en)
French (fr)
Inventor
陈勇好
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浙江盾安人工环境股份有限公司
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Priority to KR1020227018214A priority Critical patent/KR20220084411A/ko
Priority to JP2022526837A priority patent/JP7321374B2/ja
Publication of WO2021175028A1 publication Critical patent/WO2021175028A1/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
    • 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
    • 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
    • F25B41/34—Expansion valves with the valve member being actuated by electric means, e.g. by piezoelectric actuators
    • 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
    • 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
    • F25B2341/00—Details of ejectors not being used as compression device; Details of flow restrictors or expansion valves
    • F25B2341/06—Details of flow restrictors or 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 invention relates to the technical field of valve equipment, in particular to a nut seat structure of an electronic expansion valve and an installation method thereof.
  • the electronic expansion valve is usually provided with a stopper 01 ⁇ , a magnetic rotor 02 ⁇ , a screw 03 ⁇ , a nut seat 04 ⁇ , a valve seat 05 ⁇ , etc., while in the prior art, the existing structure of the nut The seat is directly processed by metal (powder metallurgy) material, which requires a large amount of turning, time-consuming and laborious, and the instability of the internal thread processing quality will directly affect the product quality, and the processing cost is also high.
  • the main purpose of the present invention is to provide an electronic expansion valve nut seat structure and an installation method thereof, so as to solve the problems of high processing cost and unstable thread quality of the electronic expansion valve nut seat in the prior art.
  • an electronic expansion valve nut seat structure is provided.
  • the electronic expansion valve includes a valve seat and a valve needle.
  • the nut seat is made of engineering plastics
  • the valve needle is inserted in the nut seat; the insert, the insert is located between the nut seat and the valve seat, the outer wall of the insert and the valve seat have an interference fit, and the hardness of the insert is greater than The hardness of the nut seat.
  • the insert is a nested piece, and the nested piece is sleeved on the outside of the nut seat.
  • valve seat is sleeved on the bottom of the nut seat.
  • valve seat is made of a first metal
  • insert is made of a second metal, and the hardness of the insert is greater than that of the valve seat.
  • the insert is injection molded on the outer wall of the nut seat.
  • a thread is provided on the inner wall of the nesting piece.
  • annular groove is provided on the inner wall of the nesting piece, and the annular groove is arranged coaxially with the nesting piece.
  • a notch is provided on the inner wall of the nesting piece, and the notch penetrates at least one end surface of the nesting piece.
  • annular flange is arranged on the top of the valve seat, the annular flange is arranged coaxially with the nesting piece, and the annular flange is bent inward to form a riveting portion.
  • a method for installing an electronic expansion valve nut seat structure is the above-mentioned electronic expansion valve nut seat structure.
  • the method includes: injecting an insert on the outside of the nut seat to Form the nut assembly; press the nut assembly into the valve seat.
  • the nut seat of the nut seat structure of the electronic expansion valve of the present invention is made of engineering plastics, preferably PPS material, which is polyphenylene sulfide.
  • the nut seat can be made For injection molding, the quality of the thread can be guaranteed with a mold.
  • the injection molding is not only efficient, but also has better thread quality stability.
  • an insert is also provided on the outside of the nut seat. The hardness of the insert is greater than that of the nut seat, thereby protecting the integrity of the nut seat, greatly reducing the processing cost, and ensuring the inner
  • the processing quality of the thread is stable enough to ensure the quality of the product.
  • Figure 1 schematically shows a cross-sectional view of an embodiment of an electronic expansion valve nut seat structure of the present invention
  • Figure 2 schematically shows a structural diagram of the first embodiment of the insert of the present invention
  • Figure 3 schematically shows a structural diagram of a second embodiment of the insert of the present invention
  • Figure 4 schematically shows a structural diagram of a third embodiment of the insert of the present invention.
  • Fig. 5 schematically shows a cross-sectional view of an electronic expansion valve in the prior art.
  • the electronic expansion valve is usually provided with a stopper 01 ⁇ , a magnetic rotor 02 ⁇ , a screw 03 ⁇ , a nut seat 04 ⁇ , a valve seat 05 ⁇ , etc., while the existing In the technology, the nut seat of the existing structure is directly processed by metal (powder metallurgy) material, which requires a large amount of turning, time-consuming and laborious, and the instability of the internal thread processing quality will directly affect the product quality, and the processing cost is also high.
  • an electronic expansion valve nut seat structure is provided.
  • the electronic expansion valve includes a valve seat 10 and a valve needle 40.
  • the electronic expansion valve nut seat structure It includes a nut seat 20 and an insert 30.
  • the nut seat 20 is inserted in the valve seat 10, the nut seat 20 is made of engineering plastics, and the valve needle 40 is inserted in the nut seat 20; the insert 30 is located in the nut seat 20 and the valve seat Between 10, the outer wall of the insert 30 and the valve seat 10 have an interference fit, and the hardness of the insert 30 is greater than that of the nut seat 20.
  • the nut seat of the electronic expansion valve nut seat structure of the present invention is made of engineering plastics, preferably PPS material, which is polyphenylene sulfide.
  • PPS material which is polyphenylene sulfide.
  • injection molding can be performed.
  • an insert is also provided on the outside of the nut seat.
  • the hardness of the insert 30 is greater than the hardness of the nut seat 20, thereby protecting the integrity of the nut seat, greatly reducing the processing cost, and ensuring The processing quality of the internal thread is stable enough to ensure the product quality.
  • the small hole at the bottom of the PPS nut seat guides the valve needle. Due to the self-lubricating property of PPS, it can reduce the wear between the valve needle and the PPS material and avoid product jamming.
  • the insert 30 in this embodiment is a nested piece, and the nested piece is sleeved on the outside of the nut seat 20.
  • the inserts may also be strip-shaped, and there may be multiple strips, and the plurality of strip-shaped inserts are arranged at intervals along the circumferential direction of the nut seat.
  • valve seat 10 in this embodiment is sleeved on the bottom of the nut seat 20.
  • the valve seat in this embodiment is shorter than the valve seat in the prior art, is easier to process, and saves materials.
  • the valve seat 10 in this embodiment is made of a first metal
  • the insert 30 is made of a second metal.
  • the hardness of the insert 30 is greater than that of the valve seat 10.
  • the second metal insert is made of a material harder than the second metal of the valve seat to ensure that the deformation is small or not deformed during press-fitting.
  • the first metal is a brass alloy, which allows a certain deformation to protect the internal insert Dimensional stability.
  • the insert 30 in this embodiment is injection molded on the outer wall of the nut seat 20.
  • a thread 31 is provided on the inner wall of the nesting piece in this embodiment.
  • the thread can increase the mating area, so that the nesting piece is more stably connected to the nut seat.
  • annular groove 32 is provided on the inner wall of the nesting piece in this embodiment. Set coaxially with the nesting piece.
  • the side wall of the nut seat will form an annular injection protrusion inside the annular groove, which is snap-fitted, so that the nesting piece is more stably connected to the nut seat.
  • the inner wall of the nesting member in this embodiment is provided with a notch 33, and the notch 33 penetrates at least one end surface of the nesting member.
  • the inner wall of the nesting member in this embodiment is provided with an annular groove 32, and the annular groove 32 is arranged coaxially with the nesting member.
  • a notch 33 is provided on the inner wall of the nesting piece. The notch 33 penetrates at least one end surface of the nesting piece.
  • annular flange 11 is provided on the top of the valve seat 10 in this embodiment, and the annular flange 11 is arranged coaxially with the nesting member, and the annular flange 11 is bent inward to form a riveting portion.
  • a method for installing an electronic expansion valve nut seat structure wherein the electronic expansion valve nut seat structure is the above-mentioned electronic expansion valve nut seat structure, and the method includes: injecting the insert 30 on the nut The seat 20 is outside to form a nut assembly; the nut assembly is pressed into the valve seat 10.
  • the ring flange can also be riveted at the same time to further improve the connection reliability.
  • the nut seat of the electronic expansion valve nut seat structure of the present invention is made of engineering plastics, preferably PPS material, which is polyphenylene sulfide.
  • PPS material which is polyphenylene sulfide.
  • injection molding can be performed.
  • an insert is also provided on the outside of the nut seat. The hardness of the insert is greater than that of the nut seat, thereby protecting the integrity of the nut seat, greatly reducing the processing cost, and ensuring the inner
  • the processing quality of the thread is stable enough to ensure the quality of the product.
  • spatial relative terms can be used here, such as “above”, “above”, “above the surface”, “above”, etc., to describe as shown in the figure Shows the spatial positional relationship between one device or feature and other devices or features. It should be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation of the device described in the figure.
  • the exemplary term “above” may include both orientations “above” and “below”.
  • the device can also be positioned in other different ways (rotated by 90 degrees or in other orientations), and the relative description of the space used here will be explained accordingly.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Lift Valve (AREA)
  • Magnetically Actuated Valves (AREA)
  • Electrically Driven Valve-Operating Means (AREA)

Abstract

一种电子膨胀阀螺母座结构及其安装方法，电子膨胀阀包括阀座（10）及阀针（40），电子膨胀阀螺母座结构包括：螺母座（20），螺母座（20）穿设在阀座（10）中，螺母座（20）由工程塑料制成，阀针（40）穿设在螺母座（20）中；嵌件（30），嵌件（30）位于螺母座（20）及阀座（10）之间，嵌件（30）的外壁与阀座（10）过盈配合，嵌件（30）的硬度大于螺母座（20）的硬度。螺母座（20）优选为PPS材质，通过将螺母座（20）采用工程塑料制作，可以进行注塑加工。

Description

电子膨胀阀螺母座结构及其安装方法
本申请要求名称为电子膨胀阀螺母座结构及其安装方法，申请日为2020年3月3日，申请号为202010145451.X的在先申请的优先权。
技术领域
本发明涉及阀门设备技术领域，具体而言，涉及一种电子膨胀阀螺母座结构及其安装方法。
背景技术
随着变频空调的普及，电子膨胀阀作为变频空调的主要部件，其性能好坏对空调的舒适性、节能性起到了很大的影响。参见图5所示，电子膨胀阀中通常设置有止动器01`、磁转子02`、螺杆03`、螺母座04`、阀座05`等，而现有技术中，现有结构的螺母座是直接使用金属(粉末冶金)材质加工而成，车削量大，费时费力，而且内螺纹加工质量不稳定会直接影响产品质量，加工成本也很高。
发明内容
本发明的主要目的在于提供一种电子膨胀阀螺母座结构及其安装方法，以解决现有技术中的电子膨胀阀螺母座加工成本过高及螺纹质量不稳定的问题。
为了实现上述目的，根据本发明的一个方面，提供了一种电子膨胀阀螺母座结构，电子膨胀阀包括阀座及阀针，电子膨胀阀螺母座结构包括：螺母座，螺母座穿设在阀座中，螺母座由工程塑料制成，阀针穿设在螺母座中；嵌件，嵌件位于螺母座及阀座之间，嵌件的外壁与阀座过盈配合，嵌件的硬度大于螺母座的硬度。
进一步地，嵌件为嵌套件，嵌套件套设在螺母座的外部。
进一步地，阀座套设在螺母座的底部。
进一步地，阀座由第一金属制成，嵌件由第二金属制成，嵌件的硬度大于阀座的硬度。
进一步地，嵌件注塑在螺母座外壁上。
进一步地，嵌套件的内壁上设置有螺纹。
进一步地，嵌套件的内壁上设置有环形凹槽，环形凹槽与嵌套件同轴设置。
进一步地，嵌套件的内壁上设置有缺口，缺口贯通嵌套件的至少一个端面。
进一步地，阀座的顶部设置有环形凸缘，环形凸缘与嵌套件同轴设置，环形凸缘向内部弯折形成铆压部。
根据本发明的另一个方面，提供了一种电子膨胀阀螺母座结构的安装方法，电子膨胀阀螺母座结构为上述电子膨胀阀螺母座结构，方法包括：将嵌件注塑在螺母座外部，以形成螺母组件；将螺母组件压入阀座中。
应用本发明的技术方案，本发明的电子膨胀阀螺母座结构的螺母座采用了工程塑料制作，优选为PPS材质，PPS材质即聚苯硫醚，通过将螺母座采用工程塑料制成，从而可以进行注塑加工，用模具可以保证螺纹质量，注塑不仅效率高，螺纹质量稳定性更好。为了保护压装时螺母座不损坏，在螺母座的外部还设置了一个嵌件，嵌件的硬度大于螺母座的硬度，从而保护螺母座的完整性，大大降低了加工成本，也保证了内螺纹的加工质量足够稳定，保证产品质量。
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发明的进一步理解，本发明的示意性实施例及其说明用于解释本发明，并不构成对本发明的不当限定。在附图中：
图1示意性示出了本发明的电子膨胀阀螺母座结构的实施例的剖视图；
图2示意性示出了本发明的嵌件的第一个实施例的结构图；
图3示意性示出了本发明的嵌件的第二个实施例的结构图；
图4示意性示出了本发明的嵌件的第三个实施例的结构图；
图5示意性示出了现有技术的电子膨胀阀的剖视图。
其中，上述附图包括以下附图标记：
01`、止动器；02`、磁转子；03`、螺杆；04`、螺母座；05`、阀座；10、阀座；11、环形凸缘；20、螺母座；30、嵌件；31、螺纹；32、环形凹槽；33、缺口；40、阀针。
具体实施方式
需要说明的是，在不冲突的情况下，本申请中的实施例及实施例中的特征可以相互组合。下面将参考附图并结合实施例来详细说明本发明。
正如背景技术中所记载的，参见图5所示，电子膨胀阀中通常设置有止动器01`、磁转子02`、螺杆03`、螺母座04`、阀座05`等，而现有技术中，现有结构的螺母座是直接使用金属(粉末冶金)材质加工而成，车削量大，费时费力，而且内螺纹加工质量不稳定会直接影响产品质量，加工成本也很高。
为了解决上述问题，参见图1至图4所示，根据本发明的一个方面，提供了一种电子膨 胀阀螺母座结构，电子膨胀阀包括阀座10及阀针40，电子膨胀阀螺母座结构包括螺母座20及嵌件30，螺母座20穿设在阀座10中，螺母座20由工程塑料制成，阀针40穿设在螺母座20中；嵌件30位于螺母座20及阀座10之间，嵌件30的外壁与阀座10过盈配合，嵌件30的硬度大于螺母座20的硬度。本发明的电子膨胀阀螺母座结构的螺母座采用了工程塑料制作，优选为PPS材质，PPS材质即聚苯硫醚，通过将螺母座采用工程塑料制成，从而可以进行注塑加工，用模具可以保证螺纹质量，注塑不仅效率高，螺纹质量稳定性更好。为了保护压装时螺母座不损坏，在螺母座的外部还设置了一个嵌件，嵌件30的硬度大于螺母座20的硬度，从而保护螺母座的完整性，大大降低了加工成本，也保证了内螺纹的加工质量足够稳定，保证产品质量。
同时PPS材质的螺母座的底部小孔对阀针起导向作用，由于PPS具有自润滑性，能减少阀针与PPS材质之间的磨损，避免产品卡死。
为了保证对螺母座外部的全方位保护，本实施例中的嵌件30为嵌套件，嵌套件套设在螺母座20的外部。在其他实施例中，嵌件也可为条状，并为多个，多个条状嵌件沿螺母座的周向间隔设置。
为了便于安装和加工，本实施例中的阀座10套设在螺母座20的底部，在本实施例中的阀座较现有技术中的阀座更短，更易加工，且更加省料。
具体来说，本实施例中的阀座10由第一金属制成，嵌件30由第二金属制成，嵌件30的硬度大于阀座10的硬度。第二金属嵌件使用比阀座第二金属更硬的材质，保证压装时变形很小或基本不变形，优选地，第一金属为黄铜合金，允许一定的变形，保护内部的嵌件尺寸的稳定性。
为了便于安装，本实施例中的嵌件30注塑在螺母座20外壁上。先加工一个简单的金属嵌件，然后把PPS材质的螺母与金属嵌件注塑在一起成为一个螺母座组件的整体，然后一体过盈压入阀座中固定，压装时受力在金属嵌件上。
为了保证嵌套件与螺母座底部之间的连接稳定性，在嵌套件的第一种实施例中，本实施例中的嵌套件的内壁上设置有螺纹31，在将嵌套件注塑在螺母座上时，螺纹可以增加配合面积，使得嵌套件更加稳定地连接在螺母座上。
为了保证嵌套件与螺母座底部之间的连接稳定性，在嵌套件的第二种实施例中，本实施例中的嵌套件的内壁上设置有环形凹槽32，环形凹槽32与嵌套件同轴设置。在将嵌套件注塑在螺母座上时，螺母座的侧壁会在环形凹槽内部形成环形注塑凸起，卡接配合，使得嵌套件更加稳定地连接在螺母座上。
为了保证嵌套件与螺母座底部之间的连接稳定性，本实施例中的嵌套件的内壁上设置有缺口33，缺口33贯通嵌套件的至少一个端面。在将嵌套件注塑在螺母座上时，螺母座的侧壁会在缺口内部形成注塑凸起，卡接配合，使得嵌套件更加稳定地连接在螺母座上。
在嵌套件的第三种实施例中，本实施例中的嵌套件的内壁上设置有环形凹槽32，环形凹 槽32与嵌套件同轴设置。嵌套件的内壁上设置有缺口33，缺口33贯通嵌套件的至少一个端面，在将嵌套件注塑在螺母座上时，螺母座的侧壁会在缺口及环形凹槽内部形成注塑凸起，卡接配合，使得嵌套件更加稳定地连接在螺母座上。
为了进一步地保证连接稳定性，本实施例中的阀座10的顶部设置有环形凸缘11，环形凸缘11与嵌套件同轴设置，环形凸缘11向内部弯折形成铆压部。
根据本发明的另一个方面，提供了一种电子膨胀阀螺母座结构的安装方法，其中，电子膨胀阀螺母座结构为上述电子膨胀阀螺母座结构，该方法包括：将嵌件30注塑在螺母座20外部，以形成螺母组件；将螺母组件压入阀座10中。
将螺母座安装在阀座中后，还可以同时使用环形凸缘铆接，进一步提高连接可靠性。
从以上的描述中，可以看出，本发明上述的实施例实现了如下技术效果：
本发明的电子膨胀阀螺母座结构的螺母座采用了工程塑料制作，优选为PPS材质，PPS材质即聚苯硫醚，通过将螺母座采用工程塑料制成，从而可以进行注塑加工，用模具可以保证螺纹质量，注塑不仅效率高，螺纹质量稳定性更好。为了保护压装时螺母座不损坏，在螺母座的外部还设置了一个嵌件，嵌件的硬度大于螺母座的硬度，从而保护螺母座的完整性，大大降低了加工成本，也保证了内螺纹的加工质量足够稳定，保证产品质量。
应该指出，上述详细说明都是例示性的，旨在对本申请提供进一步的说明。除非另有指明，本文使用的所有技术和科学术语具有与本申请所属技术领域的普通技术人员通常理解的相同含义。
需要注意的是，这里所使用的术语仅是为了描述具体实施方式，而非意图限制根据本申请的示例性实施方式。如在这里所使用的，除非上下文另外明确指出，否则单数形式也意图包括复数形式，此外，还应当理解的是，当在本说明书中使用术语“包含”和/或“包括”时，其指明存在特征、步骤、操作、器件、组件和/或它们的组合。
需要说明的是，本申请的说明书和权利要求书及上述附图中的术语“第一”、“第二”等是用于区别类似的对象，而不必用于描述特定的顺序或先后次序。应该理解这样使用的术语在适当情况下可以互换，以便这里描述的本申请的实施方式例如能够以除了在这里图示或描述的那些以外的顺序实施。
此外，术语“包括”和“具有”以及他们的任何变形，意图在于覆盖不排他的包含，例如，包含了一系列步骤或单元的过程、方法、系统、产品或设备不必限于清楚地列出的那些步骤或单元，而是可包括没有清楚地列出的或对于这些过程、方法、产品或设备固有的其它步骤或单元。
为了便于描述，在这里可以使用空间相对术语，如“在……之上”、“在……上方”、“在……上表面”、“上面的”等，用来描述如在图中所示的一个器件或特征与其他器件或特征的空间位 置关系。应当理解的是，空间相对术语旨在包含除了器件在图中所描述的方位之外的在使用或操作中的不同方位。
例如，如果附图中的器件被倒置，则描述为“在其他器件或构造上方”或“在其他器件或构造之上”的器件之后将被定位为“在其他器件或构造下方”或“在其他器件或构造之下”。因而，示例性术语“在……上方”可以包括“在……上方”和“在……下方”两种方位。该器件也可以其他不同方式定位(旋转90度或处于其他方位)，并且对这里所使用的空间相对描述作出相应解释。
在上面详细的说明中，参考了附图，附图形成本文的一部分。在附图中，类似的符号典型地确定类似的部件，除非上下文以其他方式指明。在详细的说明书、附图及权利要求书中所描述的图示说明的实施方案不意味是限制性的。在不脱离本文所呈现的主题的精神或范围下，其他实施方案可以被使用，并且可以作其他改变。将容易理解的是，如本文一般所描述的及附图所图示说明的，本公开的方面可以在广泛种类的不同的配置中被编排、代替、组合、分开以及设计，所有这些在本文被明确地考虑。
根据本申请所描述的特定实施方案的本公开将不受限制，其被意图作为各种方面的图示说明。如对本领域技术人员将是清晰的那样，在不脱离本公开的精神和范围下可以作许多修改和变更。在本公开范围内，功能上等同的方法和设备，除了本文所列举的那些之外，从前述说明书来看对本领域技术人员将是清晰的。这样的修改和变更意图落入所附权利要求书的范围内。本公开将仅由所附权利要求书的条款以及这样的权利要求所给予权利的等同物的全部范围限制。将理解的是，本公开不限于特定的方法、试剂、化合物、组成或生物系统，其当然可以变化。也将理解的是，本文所使用的术语仅是出于描述特定的实施方案的目的，而并非意图是限制性的。
以上仅为本发明的优选实施例而已，并不用于限制本发明，对于本领域的技术人员来说，本发明可以有各种更改和变化。凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。

Claims (10)

  1. 一种电子膨胀阀螺母座结构，所述电子膨胀阀包括阀座(10)及阀针(40)，其特征在于，所述电子膨胀阀螺母座结构包括：
    螺母座(20)，所述螺母座(20)穿设在所述阀座(10)中，所述螺母座(20)由工程塑料制成，所述阀针(40)穿设在所述螺母座(20)中；
    嵌件(30)，所述嵌件(30)位于所述螺母座(20)及所述阀座(10)之间，所述嵌件(30)的外壁与所述阀座(10)过盈配合，所述嵌件(30)的硬度大于所述螺母座(20)的硬度。
  2. 根据权利要求1所述的电子膨胀阀螺母座结构，其特征在于，所述嵌件(30)为嵌套件，所述嵌套件套设在所述螺母座(20)的外部。
  3. 根据权利要求1所述的电子膨胀阀螺母座结构，其特征在于，所述阀座(10)套设在所述螺母座(20)的底部。
  4. 根据权利要求1所述的电子膨胀阀螺母座结构，其特征在于，所述阀座(10)由第一金属制成，所述嵌件(30)由第二金属制成，所述嵌件(30)的硬度大于所述阀座(10)的硬度。
  5. 根据权利要求1所述的电子膨胀阀螺母座结构，其特征在于，所述嵌件(30)注塑在所述螺母座(20)外壁上。
  6. 根据权利要求2所述的电子膨胀阀螺母座结构，其特征在于，所述嵌套件的内壁上设置有螺纹(31)。
  7. 根据权利要求2所述的电子膨胀阀螺母座结构，其特征在于，所述嵌套件的内壁上设置有环形凹槽(32)，所述环形凹槽(32)与所述嵌套件同轴设置。
  8. 根据权利要求2或7所述的电子膨胀阀螺母座结构，其特征在于，所述嵌套件的内壁上设置有缺口(33)，所述缺口(33)贯通所述嵌套件的至少一个端面。
  9. 根据权利要求2所述的电子膨胀阀螺母座结构，其特征在于，所述阀座(10)的顶部设置有环形凸缘(11)，所述环形凸缘(11)与所述嵌套件同轴设置，所述环形凸缘(11)向内部弯折形成铆压部。
  10. 一种电子膨胀阀螺母座结构的安装方法，其特征在于，所述电子膨胀阀螺母座结构为权利要求1至9中任一项所述的电子膨胀阀螺母座结构，所述方法包括：
    将所述嵌件(30)注塑在所述螺母座(20)外部，以形成螺母组件；
    将所述螺母组件压入阀座(10)中。
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Publication number Priority date Publication date Assignee Title
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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006084108A (ja) * 2004-09-16 2006-03-30 Saginomiya Seisakusho Inc 弁装置および冷凍サイクル装置
CN104565392A (zh) * 2015-01-05 2015-04-29 浙江三花股份有限公司 一种电动阀
CN208794791U (zh) * 2018-04-29 2019-04-26 浙江新劲空调设备有限公司 一种电子膨胀阀

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000120885A (ja) * 1998-10-08 2000-04-28 Fuji Koki Corp 電動弁
CN2580217Y (zh) * 2002-11-07 2003-10-15 薛孟德 截止阀
CN2599340Y (zh) * 2003-02-18 2004-01-14 王高献 塑料闸阀
CN1584374A (zh) * 2004-06-07 2005-02-23 罗荣森 塑料闸阀
JP2007032675A (ja) * 2005-07-26 2007-02-08 Fuji Koki Corp 電動弁
JP2007247112A (ja) * 2006-03-17 2007-09-27 Teijin Techno Products Ltd 製糸用ローラ装置およびその修理方法
CN101956830B (zh) * 2009-07-17 2013-06-12 浙江三花股份有限公司 电子膨胀阀
CN102454818A (zh) * 2010-10-15 2012-05-16 浙江三花股份有限公司 一种电动阀
JP2013040626A (ja) * 2011-08-11 2013-02-28 Saginomiya Seisakusho Inc 流体制御弁の弁体の送り機構およびそれを用いた流体制御弁
CN203656223U (zh) * 2013-10-16 2014-06-18 浙江新三荣制冷有限公司 一种制冷系统中的电子膨胀阀
CN104565401B (zh) * 2013-10-22 2019-05-07 浙江盾安人工环境股份有限公司 一种电子膨胀阀
CN105650337A (zh) * 2014-11-13 2016-06-08 浙江三花股份有限公司 电子膨胀阀
CN107435753B (zh) * 2016-05-25 2019-12-24 浙江三花智能控制股份有限公司 电子膨胀阀及具有其的制冷设备
US11261974B2 (en) * 2017-01-26 2022-03-01 Zhejiang Sanhua Intelligent Controls Co., Ltd. Electronic expansion valve
JP6845817B2 (ja) * 2018-02-01 2021-03-24 株式会社鷺宮製作所 電動弁及び冷凍サイクルシステム
CN208024889U (zh) * 2018-03-16 2018-10-30 浙江伟星新型建材股份有限公司 一种可拆卸的塑料止回阀
CN208281509U (zh) * 2018-06-13 2018-12-25 浙江三花智能控制股份有限公司 电磁阀
CN209800728U (zh) * 2019-04-29 2019-12-17 浙江恒森实业集团有限公司 一种优化的电子膨胀阀转子总成

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006084108A (ja) * 2004-09-16 2006-03-30 Saginomiya Seisakusho Inc 弁装置および冷凍サイクル装置
CN104565392A (zh) * 2015-01-05 2015-04-29 浙江三花股份有限公司 一种电动阀
CN208794791U (zh) * 2018-04-29 2019-04-26 浙江新劲空调设备有限公司 一种电子膨胀阀

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