CN113339511A - Electronic expansion valve nut seat structure and mounting method thereof - Google Patents
Electronic expansion valve nut seat structure and mounting method thereof Download PDFInfo
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- CN113339511A CN113339511A CN202010145451.XA CN202010145451A CN113339511A CN 113339511 A CN113339511 A CN 113339511A CN 202010145451 A CN202010145451 A CN 202010145451A CN 113339511 A CN113339511 A CN 113339511A
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- nut seat
- electronic expansion
- expansion valve
- valve
- insert
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 229920006351 engineering plastic Polymers 0.000 claims abstract description 12
- 238000001746 injection moulding Methods 0.000 claims abstract description 12
- 230000000149 penetrating effect Effects 0.000 claims abstract description 7
- 239000002184 metal Substances 0.000 claims description 16
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 239000004734 Polyphenylene sulfide Substances 0.000 abstract description 18
- 229920000069 polyphenylene sulfide Polymers 0.000 abstract description 18
- 239000000463 material Substances 0.000 abstract description 9
- 238000009434 installation Methods 0.000 abstract description 5
- 238000003754 machining Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 238000004663 powder metallurgy Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
Images
Classifications
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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
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- 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
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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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/42—Valve seats
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K25/00—Details relating to contact between valve members and seats
- F16K25/005—Particular materials for seats or closure elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2341/00—Details of ejectors not being used as compression device; Details of flow restrictors or expansion valves
- F25B2341/06—Details of flow restrictors or expansion valves
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Lift Valve (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Electrically Driven Valve-Operating Means (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The invention provides a nut seat structure of an electronic expansion valve and an installation method thereof, wherein the electronic expansion valve comprises a valve seat and a valve needle, and the nut seat structure of the electronic expansion valve comprises the following components: the nut seat is arranged in the valve seat in a penetrating mode and is made of engineering plastics, and the valve needle is arranged in the nut seat in a penetrating mode; the insert is positioned between the nut seat and the valve seat, the outer wall of the insert is in interference fit with the valve seat, and the hardness of the insert is greater than that of the nut seat. The nut seat of the electronic expansion valve nut seat structure is made of engineering plastics, preferably PPS (polyphenylene sulfide), and the PPS materials, namely the polyphenylene sulfide, are made of the engineering plastics, so that injection molding can be carried out, the thread quality can be ensured by using a mold, the injection molding efficiency is high, and the thread quality stability is better. The insert is arranged outside the nut seat, so that the integrity of the nut seat is protected, the processing cost is greatly reduced, the sufficient stability of the processing quality of the internal thread is ensured, and the product quality is ensured.
Description
Technical Field
The invention relates to the technical field of valve equipment, in particular to a nut seat structure of an electronic expansion valve and an installation method thereof.
Background
With the popularization of the inverter air conditioner, the electronic expansion valve is used as a main component of the inverter air conditioner, and the performance of the electronic expansion valve greatly influences the comfort and the energy saving performance of the air conditioner. Referring to fig. 5, a stopper 01 ', a magnetic rotor 02 ', a screw 03 ', a nut seat 04 ', a valve seat 05 ', etc. are usually disposed in an electronic expansion valve, whereas in the prior art, the nut seat of the prior art is directly machined by using a metal (powder metallurgy) material, which has a large turning amount, wastes time and labor, and the machining quality of the internal thread is unstable, which directly affects the product quality and has a high machining cost.
Disclosure of Invention
The invention mainly aims to provide a nut seat structure of an electronic expansion valve and an installation method thereof, and aims to solve the problems that the processing cost of the nut seat of the electronic expansion valve is overhigh and the thread quality is unstable in the prior art.
In order to achieve the above object, according to one aspect of the present invention, there is provided an electronic expansion valve nut seat structure, the electronic expansion valve including a valve seat and a valve needle, the electronic expansion valve nut seat structure comprising: the nut seat is arranged in the valve seat in a penetrating mode and is made of engineering plastics, and the valve needle is arranged in the nut seat in a penetrating mode; the insert is positioned between the nut seat and the valve seat, the outer wall of the insert is in interference fit with the valve seat, and the hardness of the insert is greater than that of the nut seat.
Furthermore, the insert is a nested piece, and the nested piece is sleeved outside the nut seat.
Further, the valve seat is sleeved at the bottom of the nut seat.
Further, the valve seat is made of a first metal, the insert is made of a second metal, and the hardness of the insert is greater than that of the valve seat.
Further, the insert is injection molded on the outer wall of the nut seat.
Further, the inner wall of the nesting piece is provided with threads.
Further, an annular groove is formed in the inner wall of the nesting piece, and the annular groove and the nesting piece are arranged coaxially.
Further, a notch is formed in the inner wall of the nesting piece, and the notch penetrates through at least one end face of the nesting piece.
Further, the top of disk seat is provided with annular flange, and annular flange and the coaxial setting of nest spare, annular flange inwards buckle and form the riveting portion.
According to another aspect of the present invention, there is provided a method for installing a nut seat structure of an electronic expansion valve, the nut seat structure of the electronic expansion valve being the above-mentioned nut seat structure of the electronic expansion valve, the method comprising: injection molding the insert outside the nut seat to form a nut assembly; the nut assembly is pressed into the valve seat.
By applying the technical scheme of the invention, the nut seat of the electronic expansion valve nut seat structure is made of engineering plastics, preferably PPS (polyphenylene sulfide), and the nut seat is made of the engineering plastics, so that injection molding can be carried out, the thread quality can be ensured by using a mold, and the injection molding efficiency is high and the thread quality stability is better. In order to protect the nut seat from being damaged during press mounting, the insert is arranged outside the nut seat, and the hardness of the insert is greater than that of the nut seat, so that the integrity of the nut seat is protected, the processing cost is greatly reduced, the sufficient stability of the processing quality of the internal thread is ensured, and the product quality is ensured.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, 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 schematically illustrates a cross-sectional view of an embodiment of a nut seat structure of an electronic expansion valve in accordance with the present invention;
FIG. 2 schematically illustrates a block diagram of a first embodiment of an insert of the present invention;
FIG. 3 schematically illustrates a block diagram of a second embodiment of the insert of the present invention;
FIG. 4 schematically illustrates a block diagram of a third embodiment of an insert of the present invention;
fig. 5 schematically shows a cross-sectional view of a prior art electronic expansion valve.
Wherein the figures include the following reference numerals:
01', a stopper; 02', a magnetic rotor; 03', a screw; 04', a nut seat; 05', a valve seat; 10. a valve seat; 11. an annular flange; 20. a nut seat; 30. an insert; 31. a thread; 32. an annular groove; 33. a notch; 40. the valve needle.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
As described in the background art, as shown in fig. 5, a stopper 01 ', a magnetic rotor 02 ', a screw 03 ', a nut seat 04 ', a valve seat 05 ', etc. are usually disposed in an electronic expansion valve, whereas in the prior art, the nut seat of the prior art is directly machined by using metal (powder metallurgy) material, which results in large turning amount, time and labor waste, unstable machining quality of the internal thread, which directly affects product quality, and high machining cost.
In order to solve the above problems, referring to fig. 1 to 4, according to one aspect of the present invention, there is provided a nut seat structure of an electronic expansion valve, the electronic expansion valve comprising a valve seat 10 and a valve needle 40, the nut seat structure of the electronic expansion valve comprising a nut seat 20 and an insert 30, the nut seat 20 being inserted into the valve seat 10, the nut seat 20 being made of engineering plastic, and the valve needle 40 being inserted into the nut seat 20; the insert 30 is positioned between the nut seat 20 and the valve seat 10, the outer wall of the insert 30 is in interference fit with the valve seat 10, and the hardness of the insert 30 is greater than that of the nut seat 20. The nut seat of the electronic expansion valve nut seat structure is made of engineering plastics, preferably PPS (polyphenylene sulfide), and the PPS materials, namely the polyphenylene sulfide, are made of the engineering plastics, so that injection molding can be carried out, the thread quality can be ensured by using a mold, the injection molding efficiency is high, and the thread quality stability is better. In order to protect the nut seat from being damaged during press mounting, the insert is arranged outside the nut seat, and the hardness of the insert 30 is greater than that of the nut seat 20, so that the integrity of the nut seat is protected, the processing cost is greatly reduced, the sufficient and stable processing quality of internal threads is ensured, and the product quality is ensured.
Meanwhile, the bottom small hole of the nut seat made of PPS material plays a role in guiding the valve needle, and due to the fact that PPS has self-lubricating property, abrasion between the valve needle and the PPS material can be reduced, and product blocking is avoided.
In order to ensure the all-round protection of the exterior of the nut seat, the insert 30 in this embodiment is a nest, and the nest is sleeved on the exterior of the nut seat 20. In other embodiments, the insert may also be a plurality of strip-shaped inserts, and the plurality of strip-shaped inserts are arranged at intervals along the circumferential direction of the nut seat.
In order to facilitate installation and machining, the valve seat 10 in the embodiment is sleeved at the bottom of the nut seat 20, and compared with the valve seat in the prior art, the valve seat in the embodiment is shorter, easier to machine and more material-saving.
Specifically, the valve seat 10 in the present embodiment is made of a first metal, the insert 30 is made of a second metal, and the hardness of the insert 30 is greater than that of the valve seat 10. The second metal insert is made of a material harder than the second metal of the valve seat, so that the second metal insert is guaranteed to deform little or basically not during press mounting, and preferably, the first metal is a brass alloy, so that certain deformation is allowed, and the dimensional stability of the insert inside is protected.
For ease of installation, the insert 30 in this embodiment is injection molded onto the outer wall of the nut holder 20. Firstly, a simple metal insert is processed, then a nut made of PPS material and the metal insert are molded into a whole of a nut seat assembly, and then the nut and the metal insert are pressed into a valve seat in an integral interference mode to be fixed, and stress is applied to the metal insert during press fitting.
In order to ensure the connection stability between the nesting piece and the bottom of the nut seat, in the first embodiment of the nesting piece, the inner wall of the nesting piece in the embodiment is provided with the threads 31, and when the nesting piece is injected on the nut seat, the threads can increase the matching area, so that the nesting piece is connected on the nut seat more stably.
In order to ensure the stability of the connection between the nest and the bottom of the nut seat, in a second embodiment of the nest, an annular groove 32 is provided on the inner wall of the nest in this embodiment, the annular groove 32 being arranged coaxially with the nest. When moulding plastics the nested piece on the nut seat, the lateral wall of nut seat can form the annular in the annular recess and mould plastics protrudingly, the joint cooperation for the nested piece is connected on the nut seat more steadily.
In order to ensure the connection stability between the nesting piece and the bottom of the nut seat, the inner wall of the nesting piece in the embodiment is provided with a notch 33, and the notch 33 penetrates through at least one end surface of the nesting piece. When moulding plastics the nested piece on the nut seat, the lateral wall of nut seat can be at the inside arch of moulding plastics that forms of breach, the joint cooperation for the nested piece is connected on the nut seat more steadily.
In a third embodiment of the nest, an annular groove 32 is provided on the inner wall of the nest in this embodiment, the annular groove 32 being disposed coaxially with the nest. The inner wall of the nested piece is provided with a notch 33, the notch 33 penetrates through at least one end face of the nested piece, when the nested piece is injected on the nut seat, the side wall of the nut seat can form an injection molding bulge inside the notch and the annular groove, and the nut seat is clamped and matched, so that the nested piece is connected on the nut seat more stably.
In order to further ensure the connection stability, the top of the valve seat 10 in this embodiment is provided with an annular flange 11, the annular flange 11 is coaxially arranged with the nest, and the annular flange 11 is bent inwards to form a riveting portion.
According to another aspect of the present invention, there is provided a method for installing a nut seat structure of an electronic expansion valve, wherein the nut seat structure of the electronic expansion valve is the above-mentioned nut seat structure of the electronic expansion valve, the method comprising: injection molding the insert 30 outside the nut seat 20 to form a nut assembly; the nut assembly is pressed into the valve seat 10.
After the nut seat is installed in the valve seat, the annular flange can be used for riveting at the same time, and the connection reliability is further improved.
From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:
the nut seat of the electronic expansion valve nut seat structure is made of engineering plastics, preferably PPS (polyphenylene sulfide), and the PPS materials, namely the polyphenylene sulfide, are made of the engineering plastics, so that injection molding can be carried out, the thread quality can be ensured by using a mold, the injection molding efficiency is high, and the thread quality stability is better. In order to protect the nut seat from being damaged during press mounting, the insert is arranged outside the nut seat, and the hardness of the insert is greater than that of the nut seat, so that the integrity of the nut seat is protected, the processing cost is greatly reduced, the sufficient stability of the processing quality of the internal thread is ensured, and the product quality is ensured.
It should be noted that the above detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
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.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein.
Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
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.
In the foregoing detailed description, reference is made to the accompanying drawings, which form a part hereof. In the drawings, like numerals typically identify like components, unless context dictates otherwise. The illustrated embodiments described in the detailed description, drawings, and claims are not meant to be limiting. Other embodiments may be utilized, and other changes may be made, without departing from the spirit or scope of the subject matter presented here. It will be readily understood that the aspects of the present disclosure, as generally described herein, and illustrated in the figures, can be arranged, substituted, combined, separated, and designed in a wide variety of different configurations, all of which are explicitly contemplated herein.
The present disclosure in accordance with certain embodiments described herein is not to be limited in scope by the specific aspects illustrated. As will be apparent to those skilled in the art, many modifications and variations are possible without departing from the spirit and scope of the disclosure. Functionally equivalent methods and apparatuses, in addition to those enumerated herein, will be apparent to those skilled in the art from the foregoing description, within the scope of the present disclosure. Such modifications and variations are intended to fall within the scope of the appended claims. The disclosure is to be limited only by the terms of the appended claims, along with the full scope of equivalents to which such claims are entitled. It is to be understood that this disclosure is not limited to particular methods, reagents, compounds, compositions or biological systems, which can, of course, vary. It is also to be understood that the terminology used herein is for the purpose of describing particular embodiments only, and is not intended to be limiting.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to 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.
Claims (10)
1. An electronic expansion valve nut seat structure, the electronic expansion valve includes valve seat (10) and needle (40), characterized in that, the electronic expansion valve nut seat structure includes:
a nut seat (20), wherein the nut seat (20) is arranged in the valve seat (10) in a penetrating way, the nut seat (20) is made of engineering plastics, and the valve needle (40) is arranged in the nut seat (20) in a penetrating way;
the insert (30) is located between the nut seat (20) and the valve seat (10), the outer wall of the insert (30) is in interference fit with the valve seat (10), and the hardness of the insert (30) is greater than that of the nut seat (20).
2. A nut seat structure for an electronic expansion valve according to claim 1, characterized in that said insert (30) is a nest, which is fitted over the exterior of said nut seat (20).
3. The electronic expansion valve nut seat structure according to claim 1, wherein said valve seat (10) is sleeved on the bottom of said nut seat (20).
4. An electronic expansion valve nut seat structure according to claim 1, characterized in that said valve seat (10) is made of a first metal and said insert (30) is made of a second metal, the hardness of said insert (30) being greater than the hardness of said valve seat (10).
5. The electronic expansion valve nut seat structure of claim 1, wherein said insert (30) is injection molded onto an outer wall of said nut seat (20).
6. An electronic expansion valve nut seat structure according to claim 2, characterized in that the inner wall of the nest is provided with threads (31).
7. An electronic expansion valve nut seat structure as defined in claim 2, wherein an annular groove (32) is provided on an inner wall of said nest, said annular groove (32) being coaxially disposed with said nest.
8. An electronic expansion valve nut seat structure according to claim 2 or 7, characterized in that a notch (33) is provided in the inner wall of the nest, said notch (33) penetrating at least one end face of the nest.
9. An electronic expansion valve nut seat structure according to claim 2, characterized in that the top of the valve seat (10) is provided with an annular flange (11), the annular flange (11) being arranged coaxially with the nest, the annular flange (11) being bent inwards to form a rivet.
10. A method of installing an electronic expansion valve nut seat structure, the electronic expansion valve nut seat structure being in accordance with any of claims 1-9, the method comprising:
injection molding the insert (30) outside the nut seat (20) to form a nut assembly;
pressing the nut assembly into the valve seat (10).
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010145451.XA CN113339511A (en) | 2020-03-03 | 2020-03-03 | Electronic expansion valve nut seat structure and mounting method thereof |
| PCT/CN2021/072738 WO2021175028A1 (en) | 2020-03-03 | 2021-01-19 | Nut seat structure of electronic expansion valve and mounting method therefor |
| KR1020227018214A KR20220084411A (en) | 2020-03-03 | 2021-01-19 | Electromagnetic expansion valve nut seat structure and its installation method |
| JP2022526837A JP7321374B2 (en) | 2020-03-03 | 2021-01-19 | Nut seat structure of electronic expansion valve and its mounting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010145451.XA CN113339511A (en) | 2020-03-03 | 2020-03-03 | Electronic expansion valve nut seat structure and mounting method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113339511A true CN113339511A (en) | 2021-09-03 |
Family
ID=77467411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010145451.XA Pending CN113339511A (en) | 2020-03-03 | 2020-03-03 | Electronic expansion valve nut seat structure and mounting method thereof |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP7321374B2 (en) |
| KR (1) | KR20220084411A (en) |
| CN (1) | CN113339511A (en) |
| WO (1) | WO2021175028A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023143027A1 (en) * | 2022-01-28 | 2023-08-03 | 浙江盾安人工环境股份有限公司 | Nut seat and electronic expansion valve |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2580217Y (en) * | 2002-11-07 | 2003-10-15 | 薛孟德 | Stop valve |
| CN2599340Y (en) * | 2003-02-18 | 2004-01-14 | 王高献 | Plastic gate valve |
| CN1584374A (en) * | 2004-06-07 | 2005-02-23 | 罗荣森 | Plastic sluice valve |
| CN102954235A (en) * | 2011-08-11 | 2013-03-06 | 株式会社鹭宫制作所 | Valve body feeding mechanism of fluid control valve and fluid control valve using the mechanism |
| CN203656223U (en) * | 2013-10-16 | 2014-06-18 | 浙江新三荣制冷有限公司 | Electronic expansion valve in refrigerating system |
| CN104565401A (en) * | 2013-10-22 | 2015-04-29 | 浙江盾安人工环境股份有限公司 | Electronic expansion valve |
| CN104565392A (en) * | 2015-01-05 | 2015-04-29 | 浙江三花股份有限公司 | Electric valve |
| CN107435753A (en) * | 2016-05-25 | 2017-12-05 | 浙江三花智能控制股份有限公司 | Electric expansion valve and there is its refrigeration plant |
| CN208024889U (en) * | 2018-03-16 | 2018-10-30 | 浙江伟星新型建材股份有限公司 | A kind of dismountable plastic check damper |
| CN208281509U (en) * | 2018-06-13 | 2018-12-25 | 浙江三花智能控制股份有限公司 | Solenoid valve |
| CN209800728U (en) * | 2019-04-29 | 2019-12-17 | 浙江恒森实业集团有限公司 | Optimized electronic expansion valve rotor assembly |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000120885A (en) * | 1998-10-08 | 2000-04-28 | Fuji Koki Corp | Motor operated valve |
| JP4476757B2 (en) * | 2004-09-16 | 2010-06-09 | 株式会社鷺宮製作所 | Valve device and refrigeration cycle device |
| JP2007032675A (en) * | 2005-07-26 | 2007-02-08 | Fuji Koki Corp | Motor operated valve |
| JP2007247112A (en) * | 2006-03-17 | 2007-09-27 | Teijin Techno Products Ltd | Thread-making roller apparatus and repairing method thereof |
| CN101956830B (en) * | 2009-07-17 | 2013-06-12 | 浙江三花股份有限公司 | Electronic expansion valve |
| CN102454818A (en) * | 2010-10-15 | 2012-05-16 | 浙江三花股份有限公司 | Electric valve |
| CN105650337A (en) * | 2014-11-13 | 2016-06-08 | 浙江三花股份有限公司 | Electronic expansion valve |
| WO2018137636A1 (en) * | 2017-01-26 | 2018-08-02 | 浙江三花智能控制股份有限公司 | Electronic expansion valve |
| JP6845817B2 (en) * | 2018-02-01 | 2021-03-24 | 株式会社鷺宮製作所 | Electric valve and refrigeration cycle system |
| CN208794791U (en) * | 2018-04-29 | 2019-04-26 | 浙江新劲空调设备有限公司 | A kind of electric expansion valve |
-
2020
- 2020-03-03 CN CN202010145451.XA patent/CN113339511A/en active Pending
-
2021
- 2021-01-19 JP JP2022526837A patent/JP7321374B2/en active Active
- 2021-01-19 KR KR1020227018214A patent/KR20220084411A/en active Search and Examination
- 2021-01-19 WO PCT/CN2021/072738 patent/WO2021175028A1/en active Application Filing
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2580217Y (en) * | 2002-11-07 | 2003-10-15 | 薛孟德 | Stop valve |
| CN2599340Y (en) * | 2003-02-18 | 2004-01-14 | 王高献 | Plastic gate valve |
| CN1584374A (en) * | 2004-06-07 | 2005-02-23 | 罗荣森 | Plastic sluice valve |
| CN102954235A (en) * | 2011-08-11 | 2013-03-06 | 株式会社鹭宫制作所 | Valve body feeding mechanism of fluid control valve and fluid control valve using the mechanism |
| CN203656223U (en) * | 2013-10-16 | 2014-06-18 | 浙江新三荣制冷有限公司 | Electronic expansion valve in refrigerating system |
| CN104565401A (en) * | 2013-10-22 | 2015-04-29 | 浙江盾安人工环境股份有限公司 | Electronic expansion valve |
| CN104565392A (en) * | 2015-01-05 | 2015-04-29 | 浙江三花股份有限公司 | Electric valve |
| CN107435753A (en) * | 2016-05-25 | 2017-12-05 | 浙江三花智能控制股份有限公司 | Electric expansion valve and there is its refrigeration plant |
| CN208024889U (en) * | 2018-03-16 | 2018-10-30 | 浙江伟星新型建材股份有限公司 | A kind of dismountable plastic check damper |
| CN208281509U (en) * | 2018-06-13 | 2018-12-25 | 浙江三花智能控制股份有限公司 | Solenoid valve |
| CN209800728U (en) * | 2019-04-29 | 2019-12-17 | 浙江恒森实业集团有限公司 | Optimized electronic expansion valve rotor assembly |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023143027A1 (en) * | 2022-01-28 | 2023-08-03 | 浙江盾安人工环境股份有限公司 | Nut seat and electronic expansion valve |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021175028A1 (en) | 2021-09-10 |
| JP7321374B2 (en) | 2023-08-04 |
| JP2023506686A (en) | 2023-02-20 |
| KR20220084411A (en) | 2022-06-21 |
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