WO2022152179A1 - Electronic expansion valve - Google Patents

Electronic expansion valve Download PDF

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Publication number
WO2022152179A1
WO2022152179A1 PCT/CN2022/071657 CN2022071657W WO2022152179A1 WO 2022152179 A1 WO2022152179 A1 WO 2022152179A1 CN 2022071657 W CN2022071657 W CN 2022071657W WO 2022152179 A1 WO2022152179 A1 WO 2022152179A1
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WO
WIPO (PCT)
Prior art keywords
cavity
boss
electronic expansion
nut assembly
valve seat
Prior art date
Application number
PCT/CN2022/071657
Other languages
French (fr)
Chinese (zh)
Inventor
黄鸿峰
詹少军
赵俊
Original Assignee
浙江盾安人工环境股份有限公司
Priority date (The priority date 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 date listed.)
Filing date
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 DE112022000615.3T priority Critical patent/DE112022000615T5/en
Priority to KR1020237017150A priority patent/KR20230088499A/en
Priority to JP2023528003A priority patent/JP2024503968A/en
Publication of WO2022152179A1 publication Critical patent/WO2022152179A1/en

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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
    • 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
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/02—Construction of housing; Use of materials therefor of 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
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/02—Construction of housing; Use of materials therefor of lift valves
    • F16K27/029—Electromagnetically actuated 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
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
    • 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
    • F16K31/44—Mechanical actuating means
    • F16K31/50—Mechanical actuating means with screw-spindle or internally threaded actuating means
    • 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
    • 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 field of expansion valves, and in particular, to an electronic expansion valve.
  • the nut assembly is connected to the casing through a connecting piece, and in order to ensure the fixation between the nut assembly and the casing, the connecting piece and the casing are usually welded together.
  • the main purpose of the present application is to provide an electronic expansion valve to solve the problem of complex structure of the electronic expansion valve in the prior art.
  • an electronic expansion valve includes: a casing, the casing includes a valve seat and a sleeve, the sleeve is sleeved on the valve seat to form an accommodating cavity; a nut assembly, the nut assembly is arranged in the accommodating cavity, and the nut assembly has a connection with the valve seat
  • the connecting part and the valve seat enclose a guide cavity; wherein, the nut assembly has a boss for fixing the solder, the boss is located in the guide cavity, and a solder placement groove is formed between the boss and the valve seat.
  • the guide cavity includes a cylindrical first cavity segment, the boss is a circular boss, and the first cavity segment and the boss extend along the same axis to form between the first cavity segment and the boss. Ring-shaped solder placement slot.
  • the guide cavity includes a second cavity segment connected with the first cavity segment, and the nut assembly has a guide segment slidably connected with the second cavity segment.
  • connection between the first cavity segment and the second cavity segment has a first step, and the first step abuts against the guide segment.
  • the guide section is provided with a first groove, and the first groove is used for installing the seal.
  • the nut assembly has a press-fitting section connected with the guide section, and the connecting portion is provided on the press-fitting section.
  • the press-fitting section is provided with a second groove, and at least part of the connecting portion is set in the second groove; or the valve seat has a press-fitting groove, and the press-fitting groove is opened at the opening of the second cavity section to
  • the connecting part is connected with the valve seat through the press-fitting groove; or the press-fitting section is provided with a second groove, at least part of the connecting part is arranged in the second groove, and the valve seat has a press-fitting groove, and the press-fitting groove is opened at the opening of the second cavity segment, so that the connecting portion is connected with the valve seat through the press-fitting groove.
  • the side wall of the valve seat is provided with a fluid inlet, and the fluid inlet penetrates the first cavity segment and is spaced apart from the second cavity segment along the extending direction of the guide cavity.
  • the nut assembly has a flow guide section connected with the boss, and the outer diameter of the flow guide section gradually decreases in a direction away from the boss.
  • valve seat is provided with a fluid outlet, and the fluid outlet is arranged opposite to the boss.
  • the electronic expansion valve includes: a casing, the casing includes a valve seat and a sleeve, the sleeve is sleeved on the valve seat to form an accommodating cavity; a nut assembly, the nut assembly is arranged in the accommodating cavity, and the nut
  • the assembly has a connecting part connected with the valve seat, and the connecting part and the valve seat enclose a guide cavity; wherein, the nut assembly has a boss for fixing the solder, the boss is located in the guide cavity, and the boss and the valve seat are formed between the boss and the valve seat. Solder placement slot.
  • the nut assembly in the process of connecting the housing and the nut assembly of the electronic expansion valve, the nut assembly is connected to the valve seat through the connecting portion.
  • a guide cavity is formed between the connecting part and the valve seat, and the nut assembly has a boss for fixing the solder, the boss is located in the guide cavity, and the boss and the valve seat are located in the guide cavity.
  • a solder placement groove is formed between the two, so that the solder is placed on the boss before the nut assembly is installed into the housing, and the solder is located in the solder placement slot when the nut assembly is installed into the housing.
  • the solder in the solder placement groove is melted from the outside of the electronic expansion valve, so that the casing and the nut assembly are welded and fixed.
  • the structure of the nut assembly provides a place for soldering to be placed for soldering, thereby solving the problem of the complicated structure of the electronic expansion valve in the prior art.
  • FIG. 1 shows a schematic structural diagram of an embodiment of an electronic expansion valve according to the present application
  • FIG. 2 shows a schematic structural diagram of an embodiment of the valve seat of the electronic expansion valve of the present application.
  • FIG. 3 shows a schematic structural diagram of an embodiment of the housing of the electronic expansion valve of the present application.
  • the electronic expansion valve of the embodiment of the present application includes: a casing 1 , the casing 1 includes a valve seat 12 and a sleeve 13 , and the sleeve 13 is sleeved on the valve seat 12 to form an accommodating cavity 11 ; Nut assembly 2, the nut assembly 2 is arranged in the accommodating cavity 11, the nut assembly 2 has a connecting portion 22 connected with the valve seat 12, and the connecting portion 22 and the valve seat 12 enclose a guide cavity 111; wherein, the nut assembly 2 has a A boss 21 for fixing the solder, the boss 21 is located in the guide cavity 111 , and a solder placement groove 23 is formed between the boss 21 and the valve seat 12 .
  • the nut assembly 2 is connected to the valve seat 12 through the connecting portion 22 .
  • a guide cavity 111 is enclosed by the connecting portion 22 and the valve seat 12.
  • the nut assembly 2 has a boss 21 for fixing the solder, and the boss 21 is located in the guide cavity.
  • a solder placement groove 23 is formed between the boss 21 and the valve seat 12, so that the solder is placed on the boss 21 before the nut assembly 2 is installed inside the casing 1.
  • the solder in the solder placement groove 23 is melted from the outside of the electronic expansion valve, so that the casing 1 and the nut assembly 2 are welded and fixed.
  • the structure of the nut assembly 2 provides a place for soldering to be placed for soldering, thereby solving the problem of the complicated structure of the electronic expansion valve in the prior art.
  • the guide cavity 111 includes a cylindrical first cavity section 1111 , the boss 21 is a circular boss, the first cavity section 1111 and the boss 21 Extend along the same axis to form an annular solder placement groove 23 between the first cavity segment 1111 and the boss 21 .
  • the guide cavity 111 includes a cylindrical first cavity segment 1111 , the boss 21 is a circular boss, and the first cavity segment 1111 and The bosses 21 extend along the same axis, so that the bosses 21 and the first cavity segment 1111 are coaxially disposed, and an annular solder placement groove 23 is formed between the first cavity segment 1111 and the bosses 21 .
  • the annular solder can be sleeved on the boss 21 . The solder is firmly fixed in the solder placement groove 23, and the soldering effect is better.
  • the guide cavity 111 includes a second cavity section 1112 connected with the first cavity section 1111 , and the nut assembly 2 has a sliding function with the second cavity section 1112 Connected guide segment 24 .
  • the guide cavity 111 includes a second cavity section 1112 connected with the first cavity section 1111
  • the nut assembly 2 has a guide section 24 slidably connected with the second cavity section 1112 .
  • the guide section 24 on the nut assembly 2 is slidably connected with the second cavity section 1112 , so that the nut assembly 2 reaches the installation position where it is installed with the housing 1 . Therefore, when the nut assembly 2 is mounted, the solder provided on the boss 21 is not damaged.
  • a first step 14 is provided at the connection between the first cavity section 1111 and the second cavity section 1112 , and the first step 14 is in contact with the guide section 24 . catch.
  • the connection between the first cavity segment 1111 and the second cavity segment 1112 has a first step 14 , and the first step 14 abuts against the guide segment 24 .
  • the first step 14 can play a limiting role, and the position of the first step 14 determines the position of the nut assembly 2 in the housing 1 . Therefore, by setting the position of the first step 14 , the placement position of the solder can be adjusted, so as to achieve the effect of adjusting the welding position of the nut assembly 2 and the housing 1 .
  • the guide section 24 is provided with a first groove, and the first groove is used for installing the seal.
  • the sealing member may function to seal the guide cavity 111 , so that the solder in the solder placement groove 23 will not leak from the guide cavity 111 .
  • the nut assembly 2 has a press-fitting section 25 connected to the guide section 24 , and the connecting portion 22 is provided on the press-fitting section 25 .
  • the distance between the press-fitting section 25 and the second cavity section 1112 is greater than the distance between the guide section 24 and the second cavity section 1112, so that the connecting portion 22 connected to the press-fitting section 25 is in contact with the housing.
  • the relative position of the nut assembly 2 and the housing 1 can be adjusted.
  • the valve seat 12 has a press-fit groove 15 , and the press-fit groove 15 is opened at the opening of the second cavity segment 1112 , so that the connecting portion 22 is connected to the valve seat 12 through the press-fit groove 15 .
  • the connecting portion 22 is fixedly arranged in the second groove, one side of the connecting portion 22 is press-fitted in the press-fitting groove 15 , and the connecting portion 22 and the press-fitting groove 15 are in an interference fit.
  • the side wall of the valve seat 12 is provided with a fluid inlet 121 , and the fluid inlet 121 penetrates the first cavity section 1111 and communicates with the second cavity.
  • the segments 1112 are arranged at intervals along the extending direction of the guide cavity 111 .
  • the side wall of the valve seat 12 is provided with a fluid inlet 121 .
  • the extending directions of the guide cavities 111 are arranged at intervals. The welding operation will not affect the structure and function of the fluid inlet and ensure the performance of the electronic expansion valve.
  • the nut assembly 2 has a diversion section 26 connected to the boss 21 , and the outer diameter of the diversion section 26 gradually decreases along the direction away from the boss 21 . .
  • the nut assembly 2 guides the fluid entering the electronic expansion valve, thereby improving the performance of the electronic expansion valve.
  • the valve seat 12 is provided with a fluid outlet 122 , and the fluid outlet 122 is arranged opposite to the boss 21 . In this way, the fluid flowing into the electronic expansion valve can be guided by the guide section 26 to the fluid outlet 122, which enhances the guide effect.
  • the fluid outlet 122 is spaced apart from the boss 21 along the extending direction of the guide cavity 111 .
  • the electronic expansion valve of the present application includes: a casing 1, the casing 1 includes a valve seat 12 and a sleeve 13, the sleeve 13 is sleeved on the valve seat 12 to form an accommodating cavity 11; a nut assembly 2, the nut assembly 2 is arranged in In the accommodating cavity 11, the nut assembly 2 has a connecting portion 22 connected with the valve seat 12, and the connecting portion 22 and the valve seat 12 enclose a guide cavity 111; wherein, the nut assembly 2 has a boss 21 for fixing the solder, The boss 21 is located in the guide cavity 111 , and a solder placement groove 23 is formed between the boss 21 and the valve seat 12 .
  • the nut assembly 2 is connected to the valve seat 12 through the connecting portion 22 .
  • a guide cavity 111 is enclosed by the connecting portion 22 and the valve seat 12.
  • the nut assembly 2 has a boss 21 for fixing the solder, and the boss 21 is located in the guide cavity.
  • a solder placement groove 23 is formed between the boss 21 and the valve seat 12, so that the solder is placed on the boss 21 before the nut assembly 2 is installed inside the casing 1.
  • the solder in the solder placement groove 23 is melted from the outside of the electronic expansion valve, so that the casing 1 and the nut assembly 2 are welded and fixed.
  • the structure of the nut assembly 2 provides a place for soldering to be placed for soldering, thereby solving the problem of the complicated structure of the electronic expansion valve in the prior art.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Electromagnetism (AREA)
  • Valve Housings (AREA)
  • Electrically Driven Valve-Operating Means (AREA)

Abstract

An electronic expansion valve, comprising: a housing (1), the housing (1) comprising a valve carrier (12) and a sleeve (13), and the sleeve (13) being sleeved on the valve carrier (12) to form an accommodating cavity (11); and a nut assembly (2), wherein the nut assembly (2) is arranged in the accommodating cavity (11). The nut assembly (2) is provided with a connecting portion (22) connected to the valve carrier (12), and the connecting portion (22) and the valve carrier (12) enclose a guide cavity (111); and the nut assembly (2) is provided with a boss (21) for fixing solder, the boss (21) is located in the guide cavity (111), and a solder placement recess (23) is formed between the boss (21) and the valve carrier (12).

Description

电子膨胀阀Electronic expansion valve
本申请要求于2021年01月13日提交至中国国家知识产权局、申请号为202120093911.9、发明名称为“电子膨胀阀”的专利申请的优先权。This application claims the priority of the patent application submitted to the State Intellectual Property Office of China on January 13, 2021, with the application number of 202120093911.9 and the invention titled "Electronic Expansion Valve".
技术领域technical field
本申请涉及膨胀阀领域，具体而言，涉及一种电子膨胀阀。The present application relates to the field of expansion valves, and in particular, to an electronic expansion valve.
背景技术Background technique
在一些实施例中的电子膨胀阀中，螺母组件通过连接件与外壳连接，为了确保螺母组件与外壳之间固定，通常将连接件与外壳焊接起来。In the electronic expansion valve in some embodiments, the nut assembly is connected to the casing through a connecting piece, and in order to ensure the fixation between the nut assembly and the casing, the connecting piece and the casing are usually welded together.
然而，采用这种方法需要在连接件与外壳的焊接处加工焊接槽，导致结构复杂，加工难度大。However, by adopting this method, a welding groove needs to be processed at the welding place between the connector and the shell, resulting in a complicated structure and great difficulty in processing.
实用新型内容Utility model content
本申请的主要目的在于提供一种电子膨胀阀，以解决现有技术中的电子膨胀阀结构复杂的问题。The main purpose of the present application is to provide an electronic expansion valve to solve the problem of complex structure of the electronic expansion valve in the prior art.
为了实现上述目的，提供了一种电子膨胀阀。电子膨胀阀，包括：壳体，壳体包括阀座和套管，套管套设在阀座上以形成容纳腔体；螺母组件，螺母组件设置于容纳腔体内，螺母组件具有与阀座连接的连接部，连接部与阀座围成导向腔体；其中，螺母组件上具有用于固定焊料的凸台，凸台位于导向腔体内，凸台与阀座之间形成焊料放置槽。In order to achieve the above object, an electronic expansion valve is provided. The electronic expansion valve includes: a casing, the casing includes a valve seat and a sleeve, the sleeve is sleeved on the valve seat to form an accommodating cavity; a nut assembly, the nut assembly is arranged in the accommodating cavity, and the nut assembly has a connection with the valve seat The connecting part and the valve seat enclose a guide cavity; wherein, the nut assembly has a boss for fixing the solder, the boss is located in the guide cavity, and a solder placement groove is formed between the boss and the valve seat.
进一步地，导向腔体包括圆柱形的第一腔体段，凸台为圆形凸台，第一腔体段和凸台沿同一轴线延伸，以在第一腔体段与凸台之间形成环形的焊料放置槽。Further, the guide cavity includes a cylindrical first cavity segment, the boss is a circular boss, and the first cavity segment and the boss extend along the same axis to form between the first cavity segment and the boss. Ring-shaped solder placement slot.
进一步地，导向腔体包括与第一腔体段连接的第二腔体段，螺母组件具有与第二腔体段滑动连接的导向段。Further, the guide cavity includes a second cavity segment connected with the first cavity segment, and the nut assembly has a guide segment slidably connected with the second cavity segment.
进一步地，第一腔体段和第二腔体段的连接处具有第一台阶，第一台阶与导向段抵接。Further, the connection between the first cavity segment and the second cavity segment has a first step, and the first step abuts against the guide segment.
进一步地，导向段上开设有第一凹槽，第一凹槽用于安装密封件。Further, the guide section is provided with a first groove, and the first groove is used for installing the seal.
进一步地，螺母组件具有与导向段连接的压装段，连接部设置在压装段上。Further, the nut assembly has a press-fitting section connected with the guide section, and the connecting portion is provided on the press-fitting section.
进一步地，压装段上设有第二凹槽，连接部的至少部分设置于第二凹槽内；或者阀座具有压装槽，压装槽开设于第二腔体段的开口处，以使连接部通过压装槽与阀座连接；或者压装段上设有第二凹槽，连接部的至少部分设置于第二凹槽内，并且，阀座具有压装槽，压装槽开设于第二腔体段的开口处，以使连接部通过压装槽与阀座连接。Further, the press-fitting section is provided with a second groove, and at least part of the connecting portion is set in the second groove; or the valve seat has a press-fitting groove, and the press-fitting groove is opened at the opening of the second cavity section to The connecting part is connected with the valve seat through the press-fitting groove; or the press-fitting section is provided with a second groove, at least part of the connecting part is arranged in the second groove, and the valve seat has a press-fitting groove, and the press-fitting groove is opened at the opening of the second cavity segment, so that the connecting portion is connected with the valve seat through the press-fitting groove.
进一步地，阀座的侧壁上开设有流体入口，流体入口穿入第一腔体段并与第二腔体段沿导向腔体的延伸方向相间隔地设置。Further, the side wall of the valve seat is provided with a fluid inlet, and the fluid inlet penetrates the first cavity segment and is spaced apart from the second cavity segment along the extending direction of the guide cavity.
进一步地，螺母组件具有与凸台连接的导流段，导流段的外径沿远离凸台的方向逐渐缩小。Further, the nut assembly has a flow guide section connected with the boss, and the outer diameter of the flow guide section gradually decreases in a direction away from the boss.
进一步地，阀座上设有流体出口，流体出口与凸台相对设置。Further, the valve seat is provided with a fluid outlet, and the fluid outlet is arranged opposite to the boss.
应用本申请的技术方案，电子膨胀阀包括:壳体，壳体包括阀座和套管，套管套设在阀座上以形成容纳腔体；螺母组件，螺母组件设置于容纳腔体内，螺母组件具有与阀座连接的连接部，连接部与阀座围成导向腔体；其中，螺母组件上具有用于固定焊料的凸台，凸台位于导向腔体内，凸台与阀座之间形成焊料放置槽。采用上述设置，在电子膨胀阀的壳体和螺母组件的连接过程中，螺母组件通过连接部与阀座连接。为了达到将螺母组件与阀座固定连接的目的，在连接部与阀座围成导向腔体，螺母组件上具有用于固定焊料的凸台，凸台位于导向腔体内，凸台与阀座之间形成焊料放置槽，从而，在螺母组件安装到壳体内部之前，将焊料设置于凸台上，当螺母组件安装到壳体内部时，使得焊料位于焊料放置槽内。从而，在电子膨胀阀的壳体和螺母组件装配完成后，再从电子膨胀阀的外部融化焊料放置槽内的焊料，从而将壳体和螺母组件焊接固定。此种结构，不需要在连接部上加工焊料槽，而是通过设置螺母组件的结构为焊接提供焊料放置的位置，从而解决了现有技术中的电子膨胀阀结构复杂的问题。Applying the technical solution of the present application, the electronic expansion valve includes: a casing, the casing includes a valve seat and a sleeve, the sleeve is sleeved on the valve seat to form an accommodating cavity; a nut assembly, the nut assembly is arranged in the accommodating cavity, and the nut The assembly has a connecting part connected with the valve seat, and the connecting part and the valve seat enclose a guide cavity; wherein, the nut assembly has a boss for fixing the solder, the boss is located in the guide cavity, and the boss and the valve seat are formed between the boss and the valve seat. Solder placement slot. With the above arrangement, in the process of connecting the housing and the nut assembly of the electronic expansion valve, the nut assembly is connected to the valve seat through the connecting portion. In order to achieve the purpose of fixedly connecting the nut assembly and the valve seat, a guide cavity is formed between the connecting part and the valve seat, and the nut assembly has a boss for fixing the solder, the boss is located in the guide cavity, and the boss and the valve seat are located in the guide cavity. A solder placement groove is formed between the two, so that the solder is placed on the boss before the nut assembly is installed into the housing, and the solder is located in the solder placement slot when the nut assembly is installed into the housing. Therefore, after the casing and the nut assembly of the electronic expansion valve are assembled, the solder in the solder placement groove is melted from the outside of the electronic expansion valve, so that the casing and the nut assembly are welded and fixed. With this structure, it is not necessary to process a solder groove on the connection part, but the structure of the nut assembly provides a place for soldering to be placed for soldering, thereby solving the problem of the complicated structure of the electronic expansion valve in the prior art.
附图说明Description of drawings
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：The accompanying drawings that form a part of the present application are used to provide further understanding of the present application, and the schematic embodiments and descriptions of the present application are used to explain the present application and do not constitute improper limitations on the present application. In the attached image:
图1示出了根据本申请的电子膨胀阀的实施例的结构示意图；FIG. 1 shows a schematic structural diagram of an embodiment of an electronic expansion valve according to the present application;
图2示出了本申请的电子膨胀阀的阀座的实施例的结构示意图；以及FIG. 2 shows a schematic structural diagram of an embodiment of the valve seat of the electronic expansion valve of the present application; and
图3示出了本申请的电子膨胀阀的壳体的实施例的结构示意图。FIG. 3 shows a schematic structural diagram of an embodiment of the housing of the electronic expansion valve of the present application.
其中，上述附图包括以下附图标记：Wherein, the above-mentioned drawings include the following reference signs:
1、壳体；11、容纳腔体；111、导向腔体；1111、第一腔体段；1112、第二腔体段；12、阀座；121、流体入口；122、流体出口；13、套管；14、第一台阶；15、压装槽；2、螺母组件；21、凸台；22、连接部；23、焊料放置槽；24、导向段；25、压装段；26、导流段。1. Housing; 11. Accommodating cavity; 111. Guiding cavity; 1111, First cavity segment; 1112, Second cavity segment; 12, Valve seat; 121, Fluid inlet; 122, Fluid outlet; 13, Sleeve; 14, first step; 15, press fitting groove; 2, nut assembly; 21, boss; 22, connecting part; 23, solder placement groove; 24, guide section; 25, press fitting section; 26, guide flow segment.
具体实施方式Detailed ways
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申请。It should be noted that the embodiments in the present application and the features of the embodiments may be combined with each other in the case of no conflict. The present application will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
本申请实施例的电子膨胀阀，如图1所示，包括：壳体1，壳体1包括阀座12和套管13，套管13套设在阀座12上以形成容纳腔体11；螺母组件2，螺母组件2设置于容纳腔体11内，螺母组件2具有与阀座12连接的连接部22，连接部22与阀座12围成导向腔体111；其中，螺母组件2上具有用于固定焊料的凸台21，凸台21位于导向腔体111内，凸台21与阀座12之间形成焊料放置槽23。采用上述设置，在电子膨胀阀的壳体1和螺母组件2的连接过程中，螺母组件2通过连接部22与阀座12连接。为了达到将螺母组件2与阀座12固定连接的目的，在连接部22与阀座12围成导向腔体111，螺母组件2上具有用于固定焊料的凸台21，凸台21位于导向腔体111内，凸台21与阀座12之间形成焊料放置槽23，从而，在螺母组件2安装到壳体1内部之前，将焊料设置于凸台21上，当螺母组件2安装到壳体1内部时，使得焊料位于焊料放置槽23内。从而，在电子膨胀阀的壳体1和螺母组件2装配完成后，再从电子膨胀阀的外部融化焊料放置槽23内的焊料，从而将壳体1和螺母组件2焊接固定。此种结构，不需要在连接部22上加工焊料槽，而是通过设置螺母组件2的结构为焊接提供焊料放置的位置，从而解决了现有技术中的电子膨胀阀结构复杂的问题。The electronic expansion valve of the embodiment of the present application, as shown in FIG. 1 , includes: a casing 1 , the casing 1 includes a valve seat 12 and a sleeve 13 , and the sleeve 13 is sleeved on the valve seat 12 to form an accommodating cavity 11 ; Nut assembly 2, the nut assembly 2 is arranged in the accommodating cavity 11, the nut assembly 2 has a connecting portion 22 connected with the valve seat 12, and the connecting portion 22 and the valve seat 12 enclose a guide cavity 111; wherein, the nut assembly 2 has a A boss 21 for fixing the solder, the boss 21 is located in the guide cavity 111 , and a solder placement groove 23 is formed between the boss 21 and the valve seat 12 . With the above arrangement, in the process of connecting the housing 1 and the nut assembly 2 of the electronic expansion valve, the nut assembly 2 is connected to the valve seat 12 through the connecting portion 22 . In order to achieve the purpose of fixedly connecting the nut assembly 2 and the valve seat 12, a guide cavity 111 is enclosed by the connecting portion 22 and the valve seat 12. The nut assembly 2 has a boss 21 for fixing the solder, and the boss 21 is located in the guide cavity. Inside the body 111, a solder placement groove 23 is formed between the boss 21 and the valve seat 12, so that the solder is placed on the boss 21 before the nut assembly 2 is installed inside the casing 1. When the nut assembly 2 is installed into the casing 1, so that the solder is located in the solder placement groove 23. Therefore, after the casing 1 and the nut assembly 2 of the electronic expansion valve are assembled, the solder in the solder placement groove 23 is melted from the outside of the electronic expansion valve, so that the casing 1 and the nut assembly 2 are welded and fixed. With this structure, it is not necessary to process a solder groove on the connecting portion 22, but the structure of the nut assembly 2 provides a place for soldering to be placed for soldering, thereby solving the problem of the complicated structure of the electronic expansion valve in the prior art.
本申请实施例的电子膨胀阀中，如图1所示，导向腔体111包括圆柱形的第一腔体段1111，凸台21为圆形凸台，第一腔体段1111和凸台21沿同一轴线延伸，以在第一腔体段1111与凸台21之间形成环形的焊料放置槽23。In the electronic expansion valve of the embodiment of the present application, as shown in FIG. 1 , the guide cavity 111 includes a cylindrical first cavity section 1111 , the boss 21 is a circular boss, the first cavity section 1111 and the boss 21 Extend along the same axis to form an annular solder placement groove 23 between the first cavity segment 1111 and the boss 21 .
作为一种优选的实施方式，在本申请实施例的电子膨胀阀中，导向腔体111包括圆柱形的第一腔体段1111，凸台21为圆形凸台，第一腔体段1111和凸台21沿同一轴线延伸，使得凸台21与第一腔体段1111同轴设置，在第一腔体段1111与凸台21之间形成环形的焊料放置槽23。采用此种结构，可以将环形的焊料套设在凸台21上。使得焊料在焊料放置槽23内的固定牢靠，焊接效果更佳。As a preferred implementation, in the electronic expansion valve of the embodiment of the present application, the guide cavity 111 includes a cylindrical first cavity segment 1111 , the boss 21 is a circular boss, and the first cavity segment 1111 and The bosses 21 extend along the same axis, so that the bosses 21 and the first cavity segment 1111 are coaxially disposed, and an annular solder placement groove 23 is formed between the first cavity segment 1111 and the bosses 21 . With this structure, the annular solder can be sleeved on the boss 21 . The solder is firmly fixed in the solder placement groove 23, and the soldering effect is better.
在本申请实施例的电子膨胀阀中，如图3所示，导向腔体111包括与第一腔体段1111连接的第二腔体段1112，螺母组件2具有与第二腔体段1112滑动连接的导向段24。In the electronic expansion valve of the embodiment of the present application, as shown in FIG. 3 , the guide cavity 111 includes a second cavity section 1112 connected with the first cavity section 1111 , and the nut assembly 2 has a sliding function with the second cavity section 1112 Connected guide segment 24 .
在本申请实施例中，导向腔体111包括与第一腔体段1111连接的第二腔体段1112，螺母组件2具有与第二腔体段1112滑动连接的导向段24。在螺母组件2安装的过程中，螺母组件2上的导向段24与第二腔体段1112滑动连接，以使螺母组件2到达与壳体1安装的安装位置。从而在螺母组件2安装时，不会损伤设置在凸台21上的焊料。In the embodiment of the present application, the guide cavity 111 includes a second cavity section 1112 connected with the first cavity section 1111 , and the nut assembly 2 has a guide section 24 slidably connected with the second cavity section 1112 . During the installation process of the nut assembly 2 , the guide section 24 on the nut assembly 2 is slidably connected with the second cavity section 1112 , so that the nut assembly 2 reaches the installation position where it is installed with the housing 1 . Therefore, when the nut assembly 2 is mounted, the solder provided on the boss 21 is not damaged.
如图1、图3所示，本申请实施例的电子膨胀阀中，第一腔体段1111和第二腔体段1112的连接处具有第一台阶14，第一台阶14与导向段24抵接。As shown in FIG. 1 and FIG. 3 , in the electronic expansion valve of the embodiment of the present application, a first step 14 is provided at the connection between the first cavity section 1111 and the second cavity section 1112 , and the first step 14 is in contact with the guide section 24 . catch.
在本申请实施例的电子膨胀阀中，第一腔体段1111和第二腔体段1112的连接处具有第一台阶14，第一台阶14与导向段24抵接。在螺母组件2安装时，第一台阶14可以起到限位的作用，第一台阶14的位置决定了螺母组件2在壳体1中的位置。从而，通过设置第一台阶14的位置，可以调节焊料的放置位置，以达到调节螺母组件2与壳体1的焊接位置的效果。In the electronic expansion valve of the embodiment of the present application, the connection between the first cavity segment 1111 and the second cavity segment 1112 has a first step 14 , and the first step 14 abuts against the guide segment 24 . When the nut assembly 2 is installed, the first step 14 can play a limiting role, and the position of the first step 14 determines the position of the nut assembly 2 in the housing 1 . Therefore, by setting the position of the first step 14 , the placement position of the solder can be adjusted, so as to achieve the effect of adjusting the welding position of the nut assembly 2 and the housing 1 .
在本申请实施例的电子膨胀阀中，导向段24上开设有第一凹槽，第一凹槽用于安装密封件。密封件可以起到密封导向腔体111的作用，从而使得焊料放置槽23中的焊料不会从导向腔体111漏出。In the electronic expansion valve of the embodiment of the present application, the guide section 24 is provided with a first groove, and the first groove is used for installing the seal. The sealing member may function to seal the guide cavity 111 , so that the solder in the solder placement groove 23 will not leak from the guide cavity 111 .
在本申请实施例的电子膨胀阀中如图1、图3所示，螺母组件2具有与导向段24连接的压装段25，连接部22设置在压装段25上。In the electronic expansion valve of the embodiment of the present application, as shown in FIGS. 1 and 3 , the nut assembly 2 has a press-fitting section 25 connected to the guide section 24 , and the connecting portion 22 is provided on the press-fitting section 25 .
具体地，压装段25与第二腔体段1112之间的距离大于导向段24与第二腔体段1112之间的距离，使得连接在压装段25上的连接部22在与壳体1连接时，可以调整螺母组件2与壳体1的相对位置。Specifically, the distance between the press-fitting section 25 and the second cavity section 1112 is greater than the distance between the guide section 24 and the second cavity section 1112, so that the connecting portion 22 connected to the press-fitting section 25 is in contact with the housing. When 1 is connected, the relative position of the nut assembly 2 and the housing 1 can be adjusted.
为了达到螺母组件2通过连接部22与壳体1连接的目的，在本申请实施例中，如图1所示，压装段25上设有第二凹槽，连接部22的至少部分设置于第二凹槽内；和/或，阀座12具有压装槽15，压装槽15开设于第二腔体段1112的开口处，以使连接部22通过压装槽15与阀座12连接。In order to achieve the purpose of connecting the nut assembly 2 to the housing 1 through the connecting portion 22, in the embodiment of the present application, as shown in FIG. In the second groove; and/or, the valve seat 12 has a press-fit groove 15 , and the press-fit groove 15 is opened at the opening of the second cavity segment 1112 , so that the connecting portion 22 is connected to the valve seat 12 through the press-fit groove 15 .
在申请本实施例中，连接部22固定设置于第二凹槽内，连接部22的一侧压装在压装槽15内，连接部22与压装槽15过盈配合。In this embodiment of the application, the connecting portion 22 is fixedly arranged in the second groove, one side of the connecting portion 22 is press-fitted in the press-fitting groove 15 , and the connecting portion 22 and the press-fitting groove 15 are in an interference fit.
在本申请实施例的电子膨胀阀中，如图2、图3所示，阀座12的侧壁上开设有流体入口121，流体入口121穿入第一腔体段1111并与第二腔体段1112沿导向腔体111的延伸方向相间隔地设置。In the electronic expansion valve of the embodiment of the present application, as shown in FIG. 2 and FIG. 3 , the side wall of the valve seat 12 is provided with a fluid inlet 121 , and the fluid inlet 121 penetrates the first cavity section 1111 and communicates with the second cavity. The segments 1112 are arranged at intervals along the extending direction of the guide cavity 111 .
为了使得焊接作业不影响电子膨胀阀的使用，本实施例中，阀座12的侧壁上开设有流体入口121，流体入口121穿入第一腔体段1111并与第二腔体段1112沿导向腔体111的延伸方向相间隔地设置。使得焊接作业不会影响到流体入口的结构和功能，保证了电子膨胀阀的性能。In order to prevent the welding operation from affecting the use of the electronic expansion valve, in this embodiment, the side wall of the valve seat 12 is provided with a fluid inlet 121 . The extending directions of the guide cavities 111 are arranged at intervals. The welding operation will not affect the structure and function of the fluid inlet and ensure the performance of the electronic expansion valve.
本申请实施例的电子膨胀阀中，如图1、图2所示，螺母组件2具有与凸台21连接的导流段26，导流段26的外径沿远离凸台21的方向逐渐缩小。通过上述设置，使得螺母组件2对进入电子膨胀阀内的流体进行导向，从而提高了电子膨胀阀的性能。In the electronic expansion valve of the embodiment of the present application, as shown in FIG. 1 and FIG. 2 , the nut assembly 2 has a diversion section 26 connected to the boss 21 , and the outer diameter of the diversion section 26 gradually decreases along the direction away from the boss 21 . . Through the above arrangement, the nut assembly 2 guides the fluid entering the electronic expansion valve, thereby improving the performance of the electronic expansion valve.
本申请实施例的电子膨胀阀中，阀座12上设有流体出口122，流体出口122与凸台21相对设置。这样，流入电子膨胀阀的流体可以被导流段26导流向流体出口122，增强了导流效果。In the electronic expansion valve of the embodiment of the present application, the valve seat 12 is provided with a fluid outlet 122 , and the fluid outlet 122 is arranged opposite to the boss 21 . In this way, the fluid flowing into the electronic expansion valve can be guided by the guide section 26 to the fluid outlet 122, which enhances the guide effect.
具体地，流体出口122与凸台21沿导向腔体111的延伸方向间隔设置。Specifically, the fluid outlet 122 is spaced apart from the boss 21 along the extending direction of the guide cavity 111 .
从以上的描述中，可以看出，本申请上述的实施例实现了如下技术效果：From the above description, it can be seen that the above-mentioned embodiments of the present application achieve the following technical effects:
本申请的电子膨胀阀包括：壳体1，壳体1包括阀座12和套管13，套管13套设在阀座12上以形成容纳腔体11；螺母组件2，螺母组件2设置于容纳腔体11内，螺母组件2具有与阀座12连接的连接部22，连接部22与阀座12围成导向腔体111；其中，螺母组件2上具有用于固定焊料的凸台21，凸台21位于导向腔体111内，凸台21与阀座12之间形成焊料放置 槽23。采用上述设置，在电子膨胀阀的壳体1和螺母组件2的连接过程中，螺母组件2通过连接部22与阀座12连接。为了达到将螺母组件2与阀座12固定连接的目的，在连接部22与阀座12围成导向腔体111，螺母组件2上具有用于固定焊料的凸台21，凸台21位于导向腔体111内，凸台21与阀座12之间形成焊料放置槽23，从而，在螺母组件2安装到壳体1内部之前，将焊料设置于凸台21上，当螺母组件2安装到壳体1内部时，使得焊料位于焊料放置槽23内。从而，在电子膨胀阀的壳体1和螺母组件2装配完成后，再从电子膨胀阀的外部融化焊料放置槽23内的焊料，从而将壳体1和螺母组件2焊接固定。此种结构，不需要在连接部22上加工焊料槽，而是通过设置螺母组件2的结构为焊接提供焊料放置的位置，从而解决了现有技术中的电子膨胀阀结构复杂的问题。The electronic expansion valve of the present application includes: a casing 1, the casing 1 includes a valve seat 12 and a sleeve 13, the sleeve 13 is sleeved on the valve seat 12 to form an accommodating cavity 11; a nut assembly 2, the nut assembly 2 is arranged in In the accommodating cavity 11, the nut assembly 2 has a connecting portion 22 connected with the valve seat 12, and the connecting portion 22 and the valve seat 12 enclose a guide cavity 111; wherein, the nut assembly 2 has a boss 21 for fixing the solder, The boss 21 is located in the guide cavity 111 , and a solder placement groove 23 is formed between the boss 21 and the valve seat 12 . With the above arrangement, in the process of connecting the housing 1 and the nut assembly 2 of the electronic expansion valve, the nut assembly 2 is connected to the valve seat 12 through the connecting portion 22 . In order to achieve the purpose of fixedly connecting the nut assembly 2 and the valve seat 12, a guide cavity 111 is enclosed by the connecting portion 22 and the valve seat 12. The nut assembly 2 has a boss 21 for fixing the solder, and the boss 21 is located in the guide cavity. Inside the body 111, a solder placement groove 23 is formed between the boss 21 and the valve seat 12, so that the solder is placed on the boss 21 before the nut assembly 2 is installed inside the casing 1. When the nut assembly 2 is installed into the casing 1, so that the solder is located in the solder placement groove 23. Therefore, after the casing 1 and the nut assembly 2 of the electronic expansion valve are assembled, the solder in the solder placement groove 23 is melted from the outside of the electronic expansion valve, so that the casing 1 and the nut assembly 2 are welded and fixed. With this structure, it is not necessary to process a solder groove on the connecting portion 22, but the structure of the nut assembly 2 provides a place for soldering to be placed for soldering, thereby solving the problem of the complicated structure of the electronic expansion valve in the prior art.
以上所述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。The above descriptions are only preferred embodiments of the present application, and are not intended to limit the present application. For those skilled in the art, the present application may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of this application shall be included within the protection scope of this application.

Claims (10)

  1. 一种电子膨胀阀，其特征在于，包括：An electronic expansion valve, characterized in that, comprising:
    壳体(1)，所述壳体(1)包括阀座(12)和套管(13)，所述套管(13)套设在所述阀座(12)上以形成容纳腔体(11)；A casing (1), the casing (1) comprising a valve seat (12) and a sleeve (13), the sleeve (13) being sleeved on the valve seat (12) to form an accommodating cavity ( 11);
    螺母组件(2)，所述螺母组件(2)设置于所述容纳腔体(11)内，所述螺母组件(2)具有与所述阀座(12)连接的连接部(22)，所述连接部(22)与所述阀座(12)围成导向腔体(111)；A nut assembly (2), the nut assembly (2) is arranged in the accommodating cavity (11), and the nut assembly (2) has a connecting portion (22) connected with the valve seat (12), so The connecting portion (22) and the valve seat (12) enclose a guide cavity (111);
    其中，所述螺母组件(2)上具有用于固定焊料的凸台(21)，所述凸台(21)位于所述导向腔体(111)内，所述凸台(21)与所述阀座(12)之间形成焊料放置槽(23)。Wherein, the nut assembly (2) has a boss (21) for fixing solder, the boss (21) is located in the guide cavity (111), and the boss (21) is connected to the Solder placement grooves (23) are formed between the valve seats (12).
  2. 根据权利要求1所述的电子膨胀阀，其特征在于，所述导向腔体(111)包括圆柱形的第一腔体段(1111)，所述凸台(21)为圆形凸台，所述第一腔体段(1111)和所述凸台(21)沿同一轴线延伸，以在所述第一腔体段(1111)与所述凸台(21)之间形成环形的焊料放置槽(23)。The electronic expansion valve according to claim 1, wherein the guide cavity (111) comprises a cylindrical first cavity segment (1111), and the boss (21) is a circular boss, so The first cavity segment (1111) and the boss (21) extend along the same axis to form an annular solder placement groove between the first cavity segment (1111) and the boss (21) (twenty three).
  3. 根据权利要求2所述的电子膨胀阀，其特征在于，所述导向腔体(111)包括与所述第一腔体段(1111)连接的第二腔体段(1112)，所述螺母组件(2)具有与所述第二腔体段(1112)滑动连接的导向段(24)。The electronic expansion valve according to claim 2, wherein the guide cavity (111) comprises a second cavity segment (1112) connected with the first cavity segment (1111), and the nut assembly (2) There is a guide segment (24) slidably connected with the second cavity segment (1112).
  4. 根据权利要求3所述的电子膨胀阀，其特征在于，所述第一腔体段(1111)和所述第二腔体段(1112)的连接处具有第一台阶(14)，所述第一台阶(14)与所述导向段(24)抵接。The electronic expansion valve according to claim 3, wherein a first step (14) is provided at the connection between the first cavity section (1111) and the second cavity section (1112), and the first cavity section (1111) has a first step (14). A step (14) is in contact with the guide section (24).
  5. 根据权利要求3所述的电子膨胀阀，其特征在于，所述导向段(24)上开设有第一凹槽，所述第一凹槽用于安装密封件。The electronic expansion valve according to claim 3, characterized in that, the guide section (24) is provided with a first groove, and the first groove is used for installing a seal.
  6. 根据权利要求3所述的电子膨胀阀，其特征在于，所述螺母组件(2)具有与所述导向段(24)连接的压装段(25)，所述连接部(22)设置在所述压装段(25)上。The electronic expansion valve according to claim 3, characterized in that, the nut assembly (2) has a press-fitting section (25) connected with the guide section (24), and the connecting portion (22) is provided at the on the pressing section (25).
  7. 根据权利要求6所述的电子膨胀阀，其特征在于，The electronic expansion valve according to claim 6, characterized in that:
    所述压装段(25)上设有第二凹槽，所述连接部(22)的至少部分设置于所述第二凹槽内；或者The press-fitting section (25) is provided with a second groove, and at least part of the connecting portion (22) is disposed in the second groove; or
    所述阀座(12)具有压装槽(15)，所述压装槽(15)开设于所述第二腔体段(1112)的开口处，以使所述连接部(22)通过所述压装槽(15)与所述阀座(12)连接；或者The valve seat (12) has a press-fitting groove (15), and the press-fitting groove (15) is opened at the opening of the second cavity segment (1112), so that the connecting portion (22) can pass through the valve seat (1112). The press-fit groove (15) is connected with the valve seat (12); or
    所述压装段(25)上设有第二凹槽，所述连接部(22)的至少部分设置于所述第二凹槽内，并且，所述阀座(12)具有压装槽(15)，所述压装槽(15)开设于所述第二腔体段(1112)的开口处，以使所述连接部(22)通过所述压装槽(15)与所述阀座(12)连接。The press-fitting section (25) is provided with a second groove, at least part of the connecting portion (22) is arranged in the second groove, and the valve seat (12) has a press-fitting groove ( 15), the press-fitting groove (15) is opened at the opening of the second cavity segment (1112), so that the connecting portion (22) passes through the press-fitting groove (15) and the valve seat (12) CONNECTIONS.
  8. 根据权利要求3所述的电子膨胀阀，其特征在于，所述阀座(12)的侧壁上开设有流体入口(121)，所述流体入口(121)穿入所述第一腔体段(1111)并与所述第二腔体段(1112)沿所述导向腔体(111)的延伸方向相间隔地设置。The electronic expansion valve according to claim 3, characterized in that, a fluid inlet (121) is opened on the side wall of the valve seat (12), and the fluid inlet (121) penetrates into the first cavity segment (1111) and is spaced apart from the second cavity segment (1112) along the extending direction of the guide cavity (111).
  9. 根据权利要求8所述的电子膨胀阀，其特征在于，所述螺母组件(2)具有与所述凸台(21)连接的导流段(26)，所述导流段(26)的外径沿远离所述凸台(21)的方向逐渐缩小。The electronic expansion valve according to claim 8, characterized in that, the nut assembly (2) has a guide section (26) connected to the boss (21), and an outer part of the guide section (26) is provided. The diameter gradually decreases along the direction away from the boss (21).
  10. 根据权利要求9所述的电子膨胀阀，其特征在于，所述阀座(12)上设有流体出口(122)，所述流体出口(122)与所述凸台(21)相对设置。The electronic expansion valve according to claim 9, characterized in that, a fluid outlet (122) is provided on the valve seat (12), and the fluid outlet (122) is arranged opposite to the boss (21).
PCT/CN2022/071657 2021-01-13 2022-01-12 Electronic expansion valve WO2022152179A1 (en)

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DE112022000615.3T DE112022000615T5 (en) 2021-01-13 2022-01-12 Electronic expansion valve
KR1020237017150A KR20230088499A (en) 2021-01-13 2022-01-12 electronic expansion valve
JP2023528003A JP2024503968A (en) 2021-01-13 2022-01-12 electronic expansion valve

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CN214617859U (en) * 2021-01-13 2021-11-05 浙江盾安人工环境股份有限公司 Electronic expansion valve

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1122849A (en) * 1997-07-03 1999-01-26 Fuji Koki Corp Motor operated valve
CN102927342A (en) * 2011-08-09 2013-02-13 浙江三花股份有限公司 Electronic expansion valve and valve body component thereof
CN111237525A (en) * 2018-11-28 2020-06-05 浙江三花智能控制股份有限公司 Electronic expansion valve and assembling method thereof
CN210920141U (en) * 2019-09-27 2020-07-03 浙江盾安禾田金属有限公司 Electronic expansion valve
CN210920266U (en) * 2019-09-27 2020-07-03 浙江盾安禾田金属有限公司 Electronic expansion valve
CN214617859U (en) * 2021-01-13 2021-11-05 浙江盾安人工环境股份有限公司 Electronic expansion valve

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1122849A (en) * 1997-07-03 1999-01-26 Fuji Koki Corp Motor operated valve
CN102927342A (en) * 2011-08-09 2013-02-13 浙江三花股份有限公司 Electronic expansion valve and valve body component thereof
CN111237525A (en) * 2018-11-28 2020-06-05 浙江三花智能控制股份有限公司 Electronic expansion valve and assembling method thereof
CN210920141U (en) * 2019-09-27 2020-07-03 浙江盾安禾田金属有限公司 Electronic expansion valve
CN210920266U (en) * 2019-09-27 2020-07-03 浙江盾安禾田金属有限公司 Electronic expansion valve
CN214617859U (en) * 2021-01-13 2021-11-05 浙江盾安人工环境股份有限公司 Electronic expansion valve

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