CN212657334U - Electronic expansion valve - Google Patents
Electronic expansion valve Download PDFInfo
- Publication number
- CN212657334U CN212657334U CN202021130734.9U CN202021130734U CN212657334U CN 212657334 U CN212657334 U CN 212657334U CN 202021130734 U CN202021130734 U CN 202021130734U CN 212657334 U CN212657334 U CN 212657334U
- Authority
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- China
- Prior art keywords
- limiting
- connecting piece
- expansion valve
- electronic expansion
- piece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000004519 manufacturing process Methods 0.000 claims abstract description 13
- 238000001746 injection moulding Methods 0.000 claims abstract description 11
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920000570 polyether Polymers 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims 1
- 238000004663 powder metallurgy Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 5
- 230000013011 mating Effects 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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
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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
- 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
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
The utility model provides an electronic expansion valve, which comprises a magnetic rotor, a connecting piece, a limiting piece, a screw rod and a guide shaft, wherein the connecting piece is fixedly arranged in the magnetic rotor, the connecting piece is provided with a first matching hole, and the connecting piece is of an injection molding structure; the limiting piece is in limiting fit with the connecting piece and is provided with a second matching hole, and the second matching hole is arranged corresponding to the first matching hole; the screw rod penetrates through the first matching hole and is fixedly connected with the inner wall of the second matching hole; the guide shaft is fixedly connected with the limiting piece, and the guide shaft extends in the magnetic rotor along the axial direction of the magnetic rotor. By adopting the scheme, the connecting piece is of an injection molding structure and is in limit fit with the limiting piece, compared with the connecting piece of the existing powder metallurgy structure, the manufacturing cost of a single part can be reduced, and the connecting piece and the limiting piece do not need to be welded, so that the assembly cost can be reduced.
Description
Technical Field
The utility model relates to an electronic expansion valve technical field particularly, relates to an electronic expansion valve.
Background
The connecting piece matched with the magnetic rotor and the screw rod in the existing electronic expansion valve is usually of a powder metallurgy structure, and the process cost is high. Moreover, due to the characteristics of the powder metallurgy material, the welding position of the connecting piece is blackened when the connecting piece is welded 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 the cost and improve the quality.
SUMMERY OF THE UTILITY MODEL
The utility model provides an electronic expansion valve to reduce electronic expansion valve's manufacturing cost.
In order to achieve the above object, the present invention provides an electronic expansion valve, including: a magnetic rotor; the connecting piece is fixedly arranged in the magnetic rotor, at least one part of the connecting piece is provided with a first matching hole, and the connecting piece is of an injection molding structure; the limiting piece is in limiting fit with the connecting piece and is provided with a second matching hole, and the second matching hole is arranged corresponding to the first matching hole; the screw rod penetrates through the first matching hole and is fixedly connected with the inner wall of the second matching hole; and the guide shaft is fixedly connected with the limiting piece, and extends in the magnetic rotor along the axial direction of the magnetic rotor.
Further, the guide shaft and the limiting piece are of an integrated structure.
Further, the connecting piece is made of polyether plastic.
Further, the connecting piece includes the plate body and sets up boss on the plate body, first mating holes is located on the plate body, the boss with spacing cooperation of locating part.
Further, the boss is provided with a limiting groove, at least one part of the limiting part is arranged in the limiting groove, and the outer peripheral surface of the limiting part is in limiting fit with the inner peripheral surface of the limiting groove.
Further, the outer circumferential surface of the limiting member is composed of a plurality of planes and/or arc surfaces, and the shape of the inner circumferential surface of the limiting groove is matched with the shape of the outer circumferential surface of the limiting member.
Further, the limiting piece is in interference fit with the limiting groove.
Furthermore, the plate body is provided with a fabrication hole, and the guide shaft penetrates through the fabrication hole.
Further, the screw rod penetrates through the second matching hole, and the outer wall of the screw rod is welded with the inner wall of the second matching hole.
Furthermore, the outer peripheral surface of the connecting piece consists of a plurality of planes and/or cambered surfaces, an annular groove is formed in the inner wall of the magnetic rotor, the periphery of the connecting piece is arranged in the annular groove, and the annular bottom wall of the annular groove is matched with the outer peripheral surface of the connecting piece in shape.
The technical scheme of the utility model is applied, an electronic expansion valve is provided, the electronic expansion valve comprises a magnetic rotor, a connecting piece, a limiting piece, a screw rod and a guide shaft, wherein at least one part of the connecting piece is fixedly arranged in the magnetic rotor, the connecting piece is provided with a first matching hole, and the connecting piece is of an injection molding structure; the limiting piece is in limiting fit with the connecting piece and is provided with a second matching hole, and the second matching hole is arranged corresponding to the first matching hole; the screw rod penetrates through the first matching hole and is fixedly connected with the inner wall of the second matching hole; the guide shaft is fixedly connected with the limiting piece, and the guide shaft extends in the magnetic rotor along the axial direction of the magnetic rotor. By adopting the scheme, the connecting piece is of an injection molding structure and is in limit fit with the limiting piece, compared with the connecting piece of the existing powder metallurgy structure, the manufacturing cost of a single part can be reduced, and the connecting piece and the limiting piece do not need to be welded, so that the assembly cost can be reduced.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of an electronic expansion valve according to an embodiment of the present invention;
fig. 2 shows another view of the electronic expansion valve of fig. 1;
FIG. 3 shows a schematic diagram of a portion of the structure of FIG. 1;
FIG. 4 shows a schematic view of the connection of FIG. 1;
fig. 5 shows a schematic view of the limiting member and the guiding shaft in fig. 1.
Wherein the figures include the following reference numerals:
10. a magnetic rotor; 20. a connecting member; 21. a first mating hole; 22. a plate body; 23. a boss; 24. a limiting groove; 25. a fabrication hole; 30. a limiting member; 31. a second mating hole; 40. a screw; 50. a guide shaft.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in the accompanying drawings, an embodiment of the present invention provides an electronic expansion valve, including: a magnetic rotor 10; the connecting piece 20, at least a part of the connecting piece 20 is fixedly arranged in the magnetic rotor 10, the connecting piece 20 has a first matching hole 21, and the connecting piece 20 is of an injection molding structure; the limiting piece 30 is matched with the connecting piece 20 in a limiting way, the limiting piece 30 is provided with a second matching hole 31, and the second matching hole 31 is arranged corresponding to the first matching hole 21; the screw 40 penetrates through the first matching hole 21, and the screw 40 is fixedly connected with the inner wall of the second matching hole 31; the guide shaft 50 is fixedly connected to the stopper 30, and the guide shaft 50 extends in the magnetic rotor 10 in the axial direction of the magnetic rotor 10.
The technical scheme of the utility model is applied, an electronic expansion valve is provided, the electronic expansion valve comprises a magnetic rotor 10, a connecting piece 20, a limiting piece 30, a screw 40 and a guide shaft 50, wherein at least one part of the connecting piece 20 is fixedly arranged in the magnetic rotor 10, the connecting piece 20 is provided with a first matching hole 21, and the connecting piece 20 is of an injection molding structure; the limiting member 30 is in limiting fit with the connecting member 20, the limiting member 30 has a second fitting hole 31, and the second fitting hole 31 is arranged corresponding to the first fitting hole 21; the screw 40 passes through the first matching hole 21, and the screw 40 is fixedly connected with the inner wall of the second matching hole 31; the guide shaft 50 is fixedly connected to the stopper 30, and the guide shaft 50 extends in the magnetic rotor 10 in the axial direction of the magnetic rotor 10. By adopting the scheme, the connecting piece 20 is of an injection molding structure, and the connecting piece 20 is in limit fit with the limiting piece 30, so that compared with the connecting piece 20 of the existing powder metallurgy structure, the manufacturing cost of a single part can be reduced, and the connecting piece 20 and the limiting piece 30 do not need to be welded, so that the assembly cost can be reduced.
In the present embodiment, the guide shaft 50 and the stopper 30 are integrally formed. Therefore, the number of parts can be reduced, and the processing is convenient.
In the present embodiment, the connecting member 20 is made of polyether-based plastic. The material has high strength and low cost.
In this embodiment, the connecting member 20 includes a plate body 22 and a boss 23 disposed on the plate body 22, the first engaging hole 21 is located on the plate body 22, and the boss 23 is in limit engagement with the limiting member 30. This facilitates the engagement of the connecting member 20 with the retaining member 30.
Optionally, the periphery of the lower end of the first fitting hole 21 has a chamfer to facilitate the penetration of the screw 40.
Optionally, the plate body 22 has a third fitting hole, the third fitting hole is communicated with the first fitting hole 21, a diameter of the third fitting hole is larger than a diameter of the first fitting hole 21, and the third fitting hole is located between the first fitting hole 21 and the limiting member 30. The third fitting hole can be filled with solder to facilitate the welding of the screw 40 and the limiting member 30.
Specifically, 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 an outer circumferential surface of the limiting member 30 is in limiting fit with an inner circumferential surface of the limiting groove 24. The limiting member 30 and the connecting member 20 can be circumferentially limited by the above arrangement.
In the present embodiment, the outer circumferential surface of the limiting member 30 is composed of a plurality of 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 part 30 and the connecting part 20 can be limited in the circumferential direction conveniently by the arrangement, and the relative movement between the limiting part and the connecting part in the circumferential direction is prevented.
In the present embodiment, the limiting member 30 is in interference fit with the limiting groove 24. Specifically, the limiting member 30 can be assembled in the limiting groove 24 by press-fitting, so that the process is simple, the operation is convenient, and the production cost is low.
In the present embodiment, the plate body 22 has a fabrication hole 25, and the guide shaft 50 passes through the fabrication hole 25. The material consumption can be reduced by the process holes 25 and the guide shaft 50 can be avoided.
In this embodiment, the screw 40 passes through the second fitting hole 31, and the outer wall of the screw 40 is welded to the inner wall of the second fitting hole 31. This can achieve a secure fixation of the screw 40 to the stopper 30. In addition, the screw rod 40 and the connecting piece 20 do not need to be fixedly connected, and the limiting piece 30 and the connecting piece 20 do not need to be welded, so that the three can be reliably fixed, and the assembly is convenient.
Optionally, the screw 40 comprises a first rod section and a second rod section which are connected with each other, the diameter of the first rod section is smaller than that of the second rod section, the first rod section passes through the first matching hole 21 and the second matching hole 31, and a step between the first rod section and the second rod section is abutted with the connecting piece 20 to realize axial limiting and positioning of the first rod section and the second rod section.
In the present embodiment, the outer circumferential surface of the connecting member 20 is composed of a plurality of flat surfaces and/or arc surfaces, the inner wall of the magnet rotor 10 has an annular groove, the periphery of the connecting member 20 is disposed in the annular groove, and the annular bottom wall of the annular groove matches the shape of the outer circumferential surface of the connecting member 20. With the above arrangement, reliable connection of the coupling member 20 and the magnet rotor 10 can be achieved, and relative movement between the two in the circumferential direction is avoided.
The utility model provides an electronic expansion valve, electronic expansion valve includes magnetic rotor 10, connecting piece 20, locating part 30, screw rod 40 and guide shaft 50, wherein, at least a part of connecting piece 20 is fixed to be set up in magnetic rotor 10, connecting piece 20 has first mating holes 21, connecting piece 20 is the injection moulding structure; the limiting member 30 is in limiting fit with the connecting member 20, the limiting member 30 has a second fitting hole 31, and the second fitting hole 31 is arranged corresponding to the first fitting hole 21; the screw 40 passes through the first matching hole 21, and the screw 40 is fixedly connected with the inner wall of the second matching hole 31; the guide shaft 50 is fixedly connected to the stopper 30, and the guide shaft 50 extends in the magnetic rotor 10 in the axial direction of the magnetic rotor 10. By adopting the scheme, the connecting piece 20 is of an injection molding structure, and the connecting piece 20 is in limit fit with the limiting piece 30, so that compared with the connecting piece 20 of the existing powder metallurgy structure, the manufacturing cost of a single part can be reduced, and the connecting piece 20 and the limiting piece 30 do not need to be welded, so that the assembly cost can be reduced.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.
Claims (10)
1. An electronic expansion valve, comprising:
a magnetic rotor (10);
the connecting piece (20), at least a part of the connecting piece (20) is fixedly arranged in the magnetic rotor (10), the connecting piece (20) is provided with a first matching hole (21), and the connecting piece (20) is of an injection molding structure;
the limiting piece (30) is in limiting fit with the connecting piece (20), the limiting piece (30) is provided with a second matching hole (31), and the second matching hole (31) is arranged corresponding to the first matching hole (21);
the screw rod (40) penetrates through the first matching hole (21), and the screw rod (40) is fixedly connected with the inner wall of the second matching hole (31);
and the guide shaft (50) is fixedly connected with the limiting piece (30), and the guide shaft (50) extends in the magnetic rotor (10) along the axial direction of the magnetic rotor (10).
2. An electronic expansion valve according to claim 1, wherein the pilot shaft (50) and the stop (30) are of one-piece construction.
3. An electronic expansion valve according to claim 1, wherein the connection member (20) is made of a polyether-based plastic.
4. An electronic expansion valve according to claim 1, wherein the connecting member (20) comprises a plate body (22) and a boss (23) provided on the plate body (22), the first fitting hole (21) is located on the plate body (22), and the boss (23) is in limit fitting with the limit piece (30).
5. An electronic expansion valve according to claim 4, wherein the boss (23) has a limiting groove (24), at least a portion of the limiting member (30) is disposed in the limiting groove (24), and an outer circumferential surface of the limiting member (30) is in limiting engagement with an inner circumferential surface of the limiting groove (24).
6. An electronic expansion valve according to claim 5, wherein the outer circumferential surface of the stop member (30) is composed of a plurality of flat and/or curved surfaces, and the shape of the inner circumferential surface of the stop groove (24) matches the shape of the outer circumferential surface of the stop member (30).
7. An electronic expansion valve according to claim 5, wherein the stop member (30) is in interference fit with the stop groove (24).
8. An electronic expansion valve according to claim 4, wherein the plate body (22) has a fabrication hole (25) therein, and the pilot shaft (50) passes through the fabrication hole (25).
9. An electronic expansion valve according to claim 1, wherein the screw (40) passes through the second fitting hole (31), and an outer wall of the screw (40) is welded to an inner wall of the second fitting hole (31).
10. An electronic expansion valve according to claim 1, wherein the outer circumferential surface of the connecting member (20) consists of a plurality of flat and/or curved surfaces, the inner wall of the magnetic rotor (10) has an annular groove therein in which the circumferential edge of the connecting member (20) is disposed, and the annular bottom wall of the annular groove matches the shape of the outer circumferential surface of the connecting member (20).
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021130734.9U CN212657334U (en) | 2020-06-17 | 2020-06-17 | Electronic expansion valve |
| PCT/CN2021/089387 WO2021253984A1 (en) | 2020-06-17 | 2021-04-23 | Electronic expansion valve |
| JP2022567485A JP7518917B2 (en) | 2020-06-17 | 2021-04-23 | Electronic Expansion Valve |
| KR1020227044571A KR102673402B1 (en) | 2020-06-17 | 2021-04-23 | electronic expansion valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021130734.9U CN212657334U (en) | 2020-06-17 | 2020-06-17 | Electronic expansion valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212657334U true CN212657334U (en) | 2021-03-05 |
Family
ID=74753625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021130734.9U Active CN212657334U (en) | 2020-06-17 | 2020-06-17 | Electronic expansion valve |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP7518917B2 (en) |
| KR (1) | KR102673402B1 (en) |
| CN (1) | CN212657334U (en) |
| WO (1) | WO2021253984A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021253984A1 (en) * | 2020-06-17 | 2021-12-23 | 浙江盾安人工环境股份有限公司 | Electronic expansion valve |
| WO2021253985A1 (en) * | 2020-06-17 | 2021-12-23 | 浙江盾安人工环境股份有限公司 | Electronic expansion valve |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4143892B2 (en) * | 2002-01-15 | 2008-09-03 | 株式会社鷺宮製作所 | Motorized valve |
| JP4947924B2 (en) * | 2005-06-13 | 2012-06-06 | 株式会社不二工機 | Motorized valve |
| CN101956830B (en) * | 2009-07-17 | 2013-06-12 | 浙江三花股份有限公司 | Electronic expansion valve |
| CN102252120B (en) * | 2010-05-21 | 2012-10-24 | 浙江三花股份有限公司 | Heat exchange device, and electrically operated valve thereof |
| KR101455952B1 (en) * | 2010-10-15 | 2014-10-28 | 쯔지앙 산화 컴퍼니 리미티드 | Electrical valve |
| CN207213207U (en) * | 2017-09-18 | 2018-04-10 | 浙江三花智能控制股份有限公司 | A kind of electric expansion valve |
| CN109538772B (en) * | 2017-09-21 | 2022-09-20 | 浙江三花智能控制股份有限公司 | Electronic expansion valve |
| CN209180457U (en) * | 2018-10-22 | 2019-07-30 | 浙江盾安禾田金属有限公司 | Electric expansion valve |
| CN212657268U (en) * | 2020-06-17 | 2021-03-05 | 浙江盾安禾田金属有限公司 | Electronic expansion valve |
| CN212657334U (en) * | 2020-06-17 | 2021-03-05 | 浙江盾安禾田金属有限公司 | Electronic expansion valve |
| CN212959881U (en) * | 2020-08-19 | 2021-04-13 | 浙江盾安人工环境股份有限公司 | Electronic expansion valve |
-
2020
- 2020-06-17 CN CN202021130734.9U patent/CN212657334U/en active Active
-
2021
- 2021-04-23 JP JP2022567485A patent/JP7518917B2/en active Active
- 2021-04-23 WO PCT/CN2021/089387 patent/WO2021253984A1/en not_active Ceased
- 2021-04-23 KR KR1020227044571A patent/KR102673402B1/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021253984A1 (en) * | 2020-06-17 | 2021-12-23 | 浙江盾安人工环境股份有限公司 | Electronic expansion valve |
| WO2021253985A1 (en) * | 2020-06-17 | 2021-12-23 | 浙江盾安人工环境股份有限公司 | Electronic expansion valve |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021253984A1 (en) | 2021-12-23 |
| KR20230012613A (en) | 2023-01-26 |
| JP7518917B2 (en) | 2024-07-18 |
| KR102673402B1 (en) | 2024-06-10 |
| JP2023528744A (en) | 2023-07-06 |
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