WO2021253984A1 - 电子膨胀阀 - Google Patents
电子膨胀阀 Download PDFInfo
- Publication number
- WO2021253984A1 WO2021253984A1 PCT/CN2021/089387 CN2021089387W WO2021253984A1 WO 2021253984 A1 WO2021253984 A1 WO 2021253984A1 CN 2021089387 W CN2021089387 W CN 2021089387W WO 2021253984 A1 WO2021253984 A1 WO 2021253984A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- limiting
- expansion valve
- matching hole
- electronic expansion
- limiting member
- Prior art date
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
-
- 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
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2071/00—Use of polyethers, e.g. PEEK, i.e. polyether-etherketone or PEK, i.e. polyetherketone or derivatives thereof, as moulding material
-
- 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
- This application relates to the technical field of electronic expansion valves, and in particular to an electronic expansion valve.
- the connecting parts matched with the magnetic rotor and the screw in the existing electronic expansion valve are usually of powder metallurgy structure, and the cost of such a process is relatively high.
- the welding position of the connector is black when welding with other parts, the welding strength is insufficient, and the welding quality is difficult to identify. Therefore, it is necessary to optimize the electronic expansion valve to reduce costs and improve quality.
- This application provides an electronic expansion valve to reduce the manufacturing cost of the electronic expansion valve.
- an electronic expansion valve which includes: a magnetic rotor;
- the connecting member is an injection molding structure; a limiting member, the limiting member and the connecting member in a limiting fit, the limiting member has a second matching hole, the second matching hole and the first matching hole Correspondingly provided; a screw, the screw passes through the first mating hole, and the screw is fixedly connected to the inner wall of the second mating hole; a guide shaft is fixedly connected to the limiting member, the guide The shaft extends inside the magnetic rotor along the axial direction of the magnetic rotor.
- guide shaft and the limiting member are an integral structure.
- the connecting member is made of polyether plastic.
- the connecting member includes a plate body and a boss provided on the plate body, the first matching hole is located on the plate body, and the boss is in position-limiting fit with the limiting member.
- the boss has a limiting groove, at least a part of the limiting member is disposed in the limiting groove, and the outer circumferential surface of the limiting member is in a limiting fit with the inner circumferential surface of the limiting groove .
- the outer peripheral surface of the limiting member is composed of a plurality of planes and/or arc surfaces, and the shape of the inner peripheral surface of the limiting groove matches the shape of the outer peripheral surface of the limiting member.
- the limiting member and the limiting groove are interference fit.
- the board has a process hole, and the guide shaft passes through the process hole.
- the screw passes through the second matching hole, and the outer wall of the screw is welded to the inner wall of the second matching hole.
- the outer peripheral surface of the connecting piece is composed of a plurality of planes and/or arc surfaces
- the inner wall of the magnetic rotor has an annular groove
- the peripheral edge of the connecting piece is arranged in the annular groove
- the The annular bottom wall of the annular groove matches the shape of the outer peripheral surface of the connecting piece.
- the electronic expansion valve includes a magnetic rotor, a connecting piece, a limiting piece, a screw and a guide shaft, wherein at least a part of the connecting piece is fixedly arranged in the magnetic rotor and connected
- the connecting piece has a first mating hole, and the connecting piece is of an injection molding structure; the limiting piece and the connecting piece are in a limiting fit; the limiting piece has a second matching hole, and the second matching hole is set corresponding to the first matching hole; the screw passes through the first
- the screw is fixedly connected with the inner wall of the second matching hole; the guide shaft is fixedly connected with the limiting member, and the guide shaft extends in the magnetic rotor along the axial direction of the magnetic rotor.
- the connecting piece is an injection molding structure, and the connecting piece and the limiting piece are matched in position.
- the manufacturing cost of a single part can be reduced, and the connecting piece and the limiting piece No welding is required, which can reduce assembly costs.
- Figure 1 shows a schematic structural diagram of an electronic expansion valve provided by an embodiment of the present application
- Figure 2 shows another view of the electronic expansion valve in Figure 1;
- FIG. 3 shows a schematic diagram of part of the structure in FIG. 1;
- Figure 4 shows a schematic diagram of the connector in Figure 1;
- Fig. 5 shows a schematic diagram of the limiting member and the guiding shaft in Fig. 1.
- Magnetic rotor 20. Connector; 21. First matching hole; 22. Plate body; 23. Boss; 24. Limit slot; 25. Process hole; 30. Limit part; 31. Second matching hole ; 40, screw; 50, guide shaft.
- the embodiment of the present application provides an electronic expansion valve, including: a magnetic rotor 10; a connecting piece 20, at least a part of the connecting piece 20 is fixedly arranged in the magnetic rotor 10, and the connecting piece 20 has a first fit Hole 21, the connecting member 20 is an injection molding structure; the limiting member 30, the limiting member 30 and the connecting member 20 are in position-limiting cooperation, the limiting member 30 has a second matching hole 31, the second matching hole 31 and the first matching hole 21 Correspondingly provided; the screw 40, the screw 40 passes through the first mating hole 21, and the screw 40 is fixedly connected to the inner wall of the second mating hole 31; the guide shaft 50 is fixedly connected to the limiting member 30, and the guide shaft 50 is along the magnetic rotor The axial direction of 10 extends inside the magnetic rotor 10.
- the electronic expansion valve includes a magnetic rotor 10, a connecting piece 20, a limiting piece 30, a screw 40 and a guide shaft 50, wherein at least a part of the connecting piece 20 is fixedly arranged
- the connecting piece 20 has a first mating hole 21, and the connecting piece 20 is an injection molding structure
- the hole 31 is provided corresponding to the first matching hole 21;
- the screw 40 passes through the first matching hole 21, and the screw 40 is fixedly connected to the inner wall of the second matching hole 31;
- the guide shaft 50 is fixedly connected to the limiting member 30, and the guide shaft 50 extends inside the magnetic rotor 10 in the axial direction of the magnetic rotor 10.
- the connecting piece 20 is an injection molding structure, and the connecting piece 20 and the limiting piece 30 are in position-limiting cooperation.
- the manufacturing cost of a single part can be reduced, and the connecting piece There is no need to weld the 20 and the limit piece 30, which can reduce the assembly cost.
- the guiding shaft 50 and the limiting member 30 are an integral structure. This can reduce the number of parts and facilitate processing.
- the connecting member 20 is made of polyether plastic. Using this material has high strength and low cost.
- the connecting member 20 includes a plate body 22 and a boss 23 provided on the plate body 22.
- the first matching hole 21 is located on the plate body 22, and the boss 23 is in position-limiting cooperation with the limiting member 30. In this way, the coupling of the connecting member 20 and the limiting member 30 can be facilitated.
- peripheral edge of the lower end of the first fitting hole 21 is chamfered to facilitate penetration of the screw 40.
- the plate body 22 has a third matching hole, the third matching hole communicates with the first matching hole 21, the diameter of the third matching hole is larger than the diameter of the first matching hole 21, and the third matching hole is located in the first matching hole. Between 21 and the limit piece 30. Solder can be placed in the third matching hole to facilitate the welding of the screw 40 and the limiting member 30.
- the boss 23 has a limiting groove 24, at least a part of the limiting member 30 is disposed in the limiting groove 24, and the outer circumferential surface of the limiting member 30 is in a limiting fit with the inner circumferential surface of the limiting groove 24.
- the outer circumferential surface of the limiting member 30 is composed of multiple flat surfaces and/or arc surfaces, and the shape of the inner circumferential surface of the limiting groove 24 matches the shape of the outer circumferential surface of the limiting member 30.
- the limiting member 30 and the limiting slot 24 are interference fit.
- the limiting member 30 can be assembled into the limiting groove 24 by pressing, so that the process is simple, easy to operate, and low in production cost.
- the plate body 22 has a process hole 25, and the guide shaft 50 passes through the process hole 25. Through the process hole 25, the amount of material can be reduced, and the guide shaft 50 can be avoided.
- the screw 40 passes through the second matching hole 31, and the outer wall of the screw 40 is welded to the inner wall of the second matching hole 31.
- the screw 40 and the limiting member 30 can be reliably fixed. In this way, there is no need to fix the screw 40 and the connecting piece 20, and there is no need to weld the limit piece 30 and the connecting piece 20, so that the three can be reliably fixed and easy to assemble.
- the screw 40 includes a first rod section and a second rod section that are connected to each other, the diameter of the first rod section is smaller than the diameter of the second rod section, and the first rod section passes through the first matching hole 21 and the second matching hole. 31.
- the step between the first rod section and the second rod section abuts the connecting piece 20 to realize the axial limit and positioning of the two.
- the outer peripheral surface of the connecting member 20 is composed of a plurality of flat and/or arc surfaces
- the inner wall of the magnetic rotor 10 has an annular groove
- the peripheral edge of the connecting member 20 is arranged in the annular groove.
- the annular bottom wall matches the shape of the outer peripheral surface of the connecting member 20.
- the present application provides an electronic expansion valve.
- the electronic expansion valve includes a magnetic rotor 10, a connecting member 20, a limiting member 30, a screw 40 and a guide shaft 50, wherein at least a part of the connecting member 20 is fixedly arranged in the magnetic rotor 10.
- the connecting piece 20 has a first mating hole 21, the connecting piece 20 is an injection molding structure; the limiting piece 30 is in a limiting fit with the connecting piece 20, the limiting piece 30 has a second matching hole 31, the second matching hole 31 and the first
- the matching holes 21 are provided correspondingly; the screw 40 passes through the first matching hole 21, and the screw 40 is fixedly connected to the inner wall of the second matching hole 31;
- the axial direction of ⁇ extends in the magnetic rotor 10.
- the connecting piece 20 is an injection molding structure, and the connecting piece 20 and the limiting piece 30 are in position-limiting cooperation.
- the manufacturing cost of a single part can be reduced, and the connecting piece There is no need to weld the 20 and the limit piece 30, which can reduce the assembly cost.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Electrically Driven Valve-Operating Means (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
Description
Claims (10)
- 一种电子膨胀阀,其特征在于,包括:磁转子(10);连接件(20),所述连接件(20)的至少一部分固定设置在所述磁转子(10)内,所述连接件(20)具有第一配合孔(21),所述连接件(20)为注塑成型结构;限位件(30),所述限位件(30)与所述连接件(20)限位配合,所述限位件(30)具有第二配合孔(31),所述第二配合孔(31)与所述第一配合孔(21)对应设置;螺杆(40),所述螺杆(40)穿过所述第一配合孔(21),且所述螺杆(40)与所述第二配合孔(31)的内壁固定连接;导动轴(50),与所述限位件(30)固定连接,所述导动轴(50)沿所述磁转子(10)的轴向在所述磁转子(10)内延伸。
- 根据权利要求1所述的电子膨胀阀,其特征在于,所述导动轴(50)和所述限位件(30)为一体结构。
- 根据权利要求1所述的电子膨胀阀,其特征在于,所述连接件(20)由聚醚类塑料制成。
- 根据权利要求1所述的电子膨胀阀,其特征在于,所述连接件(20)包括板体(22)和设置在所述板体(22)上的凸台(23),所述第一配合孔(21)位于所述板体(22)上,所述凸台(23)与所述限位件(30)限位配合。
- 根据权利要求4所述的电子膨胀阀,其特征在于,所述凸台(23)具有限位槽(24),所述限位件(30)的至少一部分设置在所述限位槽(24)内,所述限位件(30)的外周面与所述限位槽(24)的内周面限位配合。
- 根据权利要求5所述的电子膨胀阀,其特征在于,所述限位件(30)的外周面由多个平面和/或弧面组成,所述限位槽(24)的内周面的形状与所述限位件(30)的外周面的形状匹配。
- 根据权利要求5所述的电子膨胀阀,其特征在于,所述限位件(30)与所述限位槽(24)过盈配合。
- 根据权利要求4所述的电子膨胀阀,其特征在于,所述板体(22)上具有工艺孔(25),所述导动轴(50)穿过所述工艺孔(25)。
- 根据权利要求1所述的电子膨胀阀,其特征在于,所述螺杆(40)穿过所述第二配合孔(31),所述螺杆(40)的外壁与所述第二配合孔(31)的内壁焊接。
- 根据权利要求1所述的电子膨胀阀,其特征在于,所述连接件(20)的外周面由多个平面和/或弧面组成,所述磁转子(10)的内壁上具有环形凹槽,所述连接件(20)的周缘 设置在所述环形凹槽内,所述环形凹槽的环形底壁与所述连接件(20)的外周面的形状匹配。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020227044571A KR20230012613A (ko) | 2020-06-17 | 2021-04-23 | 전자 팽창 밸브 |
JP2022567485A JP2023528744A (ja) | 2020-06-17 | 2021-04-23 | 電子膨張弁 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202021130734.9U CN212657334U (zh) | 2020-06-17 | 2020-06-17 | 电子膨胀阀 |
CN202021130734.9 | 2020-06-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2021253984A1 true WO2021253984A1 (zh) | 2021-12-23 |
Family
ID=74753625
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2021/089387 WO2021253984A1 (zh) | 2020-06-17 | 2021-04-23 | 电子膨胀阀 |
Country Status (4)
Country | Link |
---|---|
JP (1) | JP2023528744A (zh) |
KR (1) | KR20230012613A (zh) |
CN (1) | CN212657334U (zh) |
WO (1) | WO2021253984A1 (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN212657334U (zh) * | 2020-06-17 | 2021-03-05 | 浙江盾安禾田金属有限公司 | 电子膨胀阀 |
CN212657268U (zh) * | 2020-06-17 | 2021-03-05 | 浙江盾安禾田金属有限公司 | 电子膨胀阀 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006348962A (ja) * | 2005-06-13 | 2006-12-28 | Fuji Koki Corp | 電動弁 |
CN102252121A (zh) * | 2010-05-21 | 2011-11-23 | 浙江三花股份有限公司 | 一种电子膨胀阀 |
CN207213207U (zh) * | 2017-09-18 | 2018-04-10 | 浙江三花智能控制股份有限公司 | 一种电子膨胀阀 |
CN109538772A (zh) * | 2017-09-21 | 2019-03-29 | 浙江三花智能控制股份有限公司 | 电子膨胀阀 |
CN212657268U (zh) * | 2020-06-17 | 2021-03-05 | 浙江盾安禾田金属有限公司 | 电子膨胀阀 |
CN212657334U (zh) * | 2020-06-17 | 2021-03-05 | 浙江盾安禾田金属有限公司 | 电子膨胀阀 |
CN212959881U (zh) * | 2020-08-19 | 2021-04-13 | 浙江盾安人工环境股份有限公司 | 电子膨胀阀 |
-
2020
- 2020-06-17 CN CN202021130734.9U patent/CN212657334U/zh active Active
-
2021
- 2021-04-23 KR KR1020227044571A patent/KR20230012613A/ko not_active Application Discontinuation
- 2021-04-23 WO PCT/CN2021/089387 patent/WO2021253984A1/zh active Application Filing
- 2021-04-23 JP JP2022567485A patent/JP2023528744A/ja active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006348962A (ja) * | 2005-06-13 | 2006-12-28 | Fuji Koki Corp | 電動弁 |
CN102252121A (zh) * | 2010-05-21 | 2011-11-23 | 浙江三花股份有限公司 | 一种电子膨胀阀 |
CN207213207U (zh) * | 2017-09-18 | 2018-04-10 | 浙江三花智能控制股份有限公司 | 一种电子膨胀阀 |
CN109538772A (zh) * | 2017-09-21 | 2019-03-29 | 浙江三花智能控制股份有限公司 | 电子膨胀阀 |
CN212657268U (zh) * | 2020-06-17 | 2021-03-05 | 浙江盾安禾田金属有限公司 | 电子膨胀阀 |
CN212657334U (zh) * | 2020-06-17 | 2021-03-05 | 浙江盾安禾田金属有限公司 | 电子膨胀阀 |
CN212959881U (zh) * | 2020-08-19 | 2021-04-13 | 浙江盾安人工环境股份有限公司 | 电子膨胀阀 |
Also Published As
Publication number | Publication date |
---|---|
KR20230012613A (ko) | 2023-01-26 |
CN212657334U (zh) | 2021-03-05 |
JP2023528744A (ja) | 2023-07-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2021253985A1 (zh) | 电子膨胀阀 | |
WO2021253984A1 (zh) | 电子膨胀阀 | |
US7445458B1 (en) | Coaxial electrical connector | |
WO2022037104A1 (zh) | 电子膨胀阀 | |
US7914347B2 (en) | Low resistance connector for printed circuit board | |
WO2021057299A1 (zh) | 阀芯组件及具有其的电子膨胀阀 | |
CN103457119B (zh) | 自校准射频盲插连接器和射频模块 | |
CN103590948B (zh) | 联接装置和制造联接装置的方法 | |
JP2022523537A (ja) | スプリングプローブ | |
WO2018074227A1 (ja) | 同軸コネクタ | |
JP2015060730A (ja) | コネクタ端子構造 | |
CN210691277U (zh) | 对位机构及触控笔 | |
WO2021212889A1 (zh) | 电子膨胀阀及电子膨胀阀的制造方法 | |
WO2021057019A1 (zh) | 电子膨胀阀 | |
CN112576769B (zh) | 电子膨胀阀 | |
US20230143867A1 (en) | Tube coupling | |
CN112621164B (zh) | 压装方法、阀芯组件及电子膨胀阀 | |
CN210607911U (zh) | 一种适用于绝缘子代替smp的壳体结构 | |
US11585304B2 (en) | Rail for high-pressure direct injection | |
CN215221097U (zh) | 一种方便装配的连接器 | |
TWM418193U (en) | Hinge and male connector thereof | |
CN206309971U (zh) | 一种转轴定位机构及蝶阀 | |
CN219093970U (zh) | 治具及激光焊接装置 | |
CN219473037U (zh) | 一种高紧固水管装配体 | |
CN215213620U (zh) | 一种用于涡轮增压器的条杆及涡轮增压器 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 21825454 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2022567485 Country of ref document: JP Kind code of ref document: A |
|
ENP | Entry into the national phase |
Ref document number: 20227044571 Country of ref document: KR Kind code of ref document: A |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 21825454 Country of ref document: EP Kind code of ref document: A1 |