CN106286936A - Electric expansion valve - Google Patents
Electric expansion valve Download PDFInfo
- Publication number
- CN106286936A CN106286936A CN201510363983.XA CN201510363983A CN106286936A CN 106286936 A CN106286936 A CN 106286936A CN 201510363983 A CN201510363983 A CN 201510363983A CN 106286936 A CN106286936 A CN 106286936A
- Authority
- CN
- China
- Prior art keywords
- assembly
- nut
- valve
- electric expansion
- fairlead
- 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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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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
-
- 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
- F16K1/36—Valve members
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electrically Driven Valve-Operating Means (AREA)
Abstract
The present invention provides a kind of electric expansion valve, including: housing；Valve body, is fixedly connected with the casing, and forms valve pocket；Valve seat, is fixedly installed at the valve port of valve body；Nut assembly, is fixedly connected on valve body；Fairlead, is fixedly installed between nut assembly and valve seat, and fairlead has upper limit portion and lower limit portion near the side of nut assembly, and fairlead has pilot hole；Screw arbor assembly, and nut assembly threaded engagement, and axially may move up and down along nut assembly, screw arbor assembly has spacing stop configurations between upper limit portion and lower limit portion；Needle, axial limiting is in screw arbor assembly, and is located in pilot hole；Rotor assembly, with screw arbor assembly drive connection, drives screw arbor assembly to rotate relative to nut assembly.According to the electric expansion valve of the present invention, technique is simple, and processing cost is relatively low.
Description
Technical field
The present invention relates to electric expansion valve, be particularly applied to the electronics in the refrigeration system such as air conditioner, refrigerator
Expansion valve.
Background technology
At Publication No. " JPA_2013122281 ", apply for the Japan Patent Shen of artificial only Gong Ji Co., Ltd.
In please, disclosing a kind of electric expansion valve, in this electric expansion valve, external screw thread is stainless steel part, with plastics
Part is moulded in together, is fixed on valve seat, and this moulding has a boss, forms lower backstop.Female thread is
Stainless steel part, outside and working of plastics integrated through injection molding, and be fixed together with magnet rotor, form rotational structure,
This moulding has a boss, forms chocking construction with lower backstop.Valve needle cover is press fit together with needle, and
It is set with spring, forms upper stop with sleeve shell.Erection sequence should be, first by external screw thread moulding
Fixing with valve seat, needle loads the pilot hole (53) of external screw thread formation and loads spring, spiral shell in now screwing in afterwards
The rotating mechanism that stricture of vagina is formed with rotor, after rotating to lower backstop, between compression needle step and internal thread hole
Spring, arranges valve opening pulse, then press-fits valve needle cover at needle top, and install limit spring, in formation
Stop.Last welded sleeve.
In another Application No. " 201210574478 ", apply for the China of artificial KK Saginomiya Seisakusyo
In patent application, disclosing another electric expansion valve, this electric expansion valve female thread integrated injection molding forms,
For working of plastics, possess guide function, be fixed on valve seat.Inner thread part top be provided with one outside
Boss on boss, with magnet rotor forms upper stop.External screw thread is also molded, with magnet rotor
It is provided with a boss on the step installed, forms lower stop with inner thread part boss upwards.Install suitable
Sequence should be: interior threaded part is installed on valve seat, is rotated into by external thread rotary in female thread, forms lower stop
After, needle, spring etc. are installed, magnet rotor are installed after setting valve opening pulse, and gland is riveted, will
External threaded is fixed together with magnet rotor, last welded sleeve shell.
The technique of two kinds of above-mentioned electric expansion valves is the most complex, processing inconvenience, causes processing cost higher.
Summary of the invention
The technical purpose of the present invention is that the defect solving above-mentioned prior art, it is provided that a kind of technique is simple,
The electric expansion valve that processing cost is relatively low.
For reaching the technical purpose of the present invention, the invention provides a kind of electric expansion valve and include: housing；Valve
Body, is fixedly connected with the casing, and forms valve pocket；Valve seat, is fixedly installed at the valve port of valve body；Nut group
Part, is fixedly connected on valve body；Fairlead, is fixedly installed between nut assembly and valve seat, and fairlead leans on
The side of nearly nut assembly has upper limit portion and lower limit portion, and fairlead has pilot hole；Screw arbor assembly,
With nut assembly threaded engagement, and axially may move up and down along nut assembly, screw arbor assembly have spacing
Stop configurations between upper limit portion and lower limit portion；Needle, axial limiting is in screw arbor assembly, and wears
It is located in pilot hole；Rotor assembly, with screw arbor assembly drive connection, drives screw arbor assembly relative to nut group
Part rotates.
In electric expansion valve provided by the present invention, fairlead is fixedly installed between nut assembly and valve seat,
And fairlead has upper limit portion and lower limit portion, can coordinate with screw arbor assembly, to screw arbor assembly
Up and down motion position is formed spacing, and then the up and down motion position of the needle being pointed in screw arbor assembly limits
Position.Owing to upper limit portion and lower limit portion are arranged on fairlead by this electric expansion valve, pass through fairlead
Carry out coordinating the upper-lower position to needle to carry out with screw arbor assembly spacing, therefore have only to fairlead is added
Work, simplifies the processing technique of nut assembly, reduces the difficulty of processing of electric expansion valve, reduces electricity
The production cost of sub-expansion valve, limit accuracy is the highest.
Accompanying drawing explanation
Fig. 1 is the structural representation of the electric expansion valve of the embodiment of the present invention；
Fig. 2 is that the A-A according to Fig. 1 is to sectional structure chart；
Fig. 3 is the structural representation of the fairlead of the electric expansion valve of the embodiment of the present invention；
Fig. 4 is the three-dimensional structure diagram of the fairlead of the electric expansion valve of the embodiment of the present invention；
Fig. 5 is the three-dimensional structure diagram of the screw arbor assembly of the electric expansion valve of the embodiment of the present invention；
Fig. 6 is the structure chart of the screw arbor assembly of the electric expansion valve of the embodiment of the present invention；And
Fig. 7 is that the A-A according to Fig. 6 is to sectional structure chart.
Description of reference numerals: 10, housing；20, valve body；30, valve seat；40, nut assembly；50, lead
To set；60, screw arbor assembly；70, needle；80, rotor assembly；21, valve port；41, nut；42、
Nut connecting plate；51, upper limit portion；52, lower limit portion；53, pilot hole；54, positioning step；61、
External threaded；62, screw rod moulding；63, lateral protrusions；64, bottom protrusion；65, buffer spring；
71, stop part；81, magnet rotor；82, rotor connecting plate.
Detailed description of the invention
Hereinafter embodiments of the invention are described in detail, but the present invention can be defined by the claims and
The multitude of different ways covered is implemented.
See shown in Fig. 1 to Fig. 7, the invention provides a kind of electric expansion valve, including housing 10, valve body
20, valve seat 30, nut assembly 40, fairlead 50, screw arbor assembly 60, needle 70 and rotor assembly 80,
Valve body 20 is fixing with housing 10 to be connected, and forms valve pocket；Valve seat 30 is fixedly installed on the valve port of valve body 20
At 21；Nut assembly 40 is fixedly connected on valve body 20；Fairlead 50 is fixedly installed on nut assembly 40
With between valve seat 30, fairlead 50 has upper limit portion 51 and lower limit near the side of nut assembly 40
Portion 52, fairlead 50 has pilot hole 53；Screw arbor assembly 60 and nut assembly 40 threaded engagement, and edge
Axially may move up and down of nut assembly 40, screw arbor assembly 60 has spacing at upper limit portion 51 and lower limit
Stop configurations between position portion 52；Needle 70 axial limiting is in screw arbor assembly 60, and is located in pilot hole
In 53；Rotor assembly 80 and screw arbor assembly 60 drive connection, drive screw arbor assembly 60 relative to nut group
Part 40 rotates.
Fairlead 50 is fixedly installed between nut assembly 40 and valve seat 30, and fairlead 50 is near nut
The side of assembly 40 has upper limit portion 51 and lower limit portion 52, can coordinate with screw arbor assembly 60,
The up and down motion position of screw arbor assembly 60 is formed spacing, and then the needle 70 being pointed in screw arbor assembly 60
Up and down motion position carry out spacing.Owing to this electric expansion valve is by equal to upper limit portion 51 and lower limit portion 52
Be arranged on fairlead 50, by fairlead 50 carry out coordinating to needle 70 with screw arbor assembly 60 upper and lower
Position carries out spacing, therefore has only to be processed fairlead 50, simplifies nut assembly 40
Processing technique, bound bit architecture is integrally machined, and improves the degree of accuracy of spacing distance.Additionally, without
The individually designed mounting structure matched with this fairlead 50, reduces the difficulty of processing of electric expansion valve, reduces
The production cost of electric expansion valve.
Fairlead 50 is pressed between nut assembly 40 and valve seat 30.Fairlead 50 herein is without passing through
Connector connects or realizes fixing by the way of welding, it is only necessary to by nut assembly 40 and valve seat
30 coordinate, it is possible to the position of fixed guide set 50 easily, easy installation and removal, and permissible
More efficiently ensure nut assembly 40, axiality between valve seat 30 and fairlead 50, improve needle 70
The degree of accuracy of the direction of motion.
Nut assembly 40 includes nut 41 and nut connecting plate 42, and nut 41 is solid by nut connecting plate 42
Surely being connected on valve body 20, fairlead 50 abuts with nut 41.In the present embodiment, nut 41 and spiral shell
Female connecting plate 42 is molded together, then forms nut assembly 40, can be led to by nut assembly 40 afterwards
Cross nut connecting plate 42 to be welded on valve body 20, thus complete the fixed installation of nut assembly 40.Nut
41 are molded together with nut connecting plate 42 so that the structure of nut assembly 40 is more stable, and structure is strong
Degree is more preferably.
Preferably, fairlead 50 being provided with positioning step 54, nut 41 is set on positioning step 54,
It is possible not only to fairlead 50 is formed axial limiting, and can fairlead 50 be formed the most spacing, because of
This accuracy that may further ensure that fairlead 50 installation site and the stability of mounting structure.Certainly, also
Only can be limited the axial location of fairlead 50 by nut 41, and be come by valve seat 30 other structures such as grade
Fairlead 50 is carried out the most spacing.
Screw arbor assembly 60 includes external threaded 61 and screw rod moulding 62, screw rod moulding 62 and outer spiral shell
Stricture of vagina screw rod 61 is fixing to be connected, and is set in outside needle 70, external threaded 61 and nut assembly 40 screw thread
Coordinating, rotor assembly 80 drive connection is in external threaded 61.
In the present embodiment, screw rod moulding 62 is chimeric with external threaded 61, and integrated injection molding exists
Together, on the one hand reducing molding difficulty, the overall structure on the other hand making screw arbor assembly 60 is more firm.
Preferably, upper limit portion 51 is the first stopper protrusion being positioned on fairlead 50, and lower limit portion 52 is
The second stopper protrusion being positioned on fairlead 50, the first stopper protrusion and the second stopper protrusion form spacing sky
Between, stop configurations is on screw rod moulding 62 and is positioned at the lateral protrusions 63 in spacing space.In this enforcement
In example, the top of fairlead 50 being provided with connecting rod, the first stopper protrusion is arranged on the top of connecting rod,
And stretch out to the inner side of fairlead 50, the second stopper protrusion is that the top end face from fairlead 50 protrudes upward
Projection.When stop configurations is between the first stopper protrusion and the second stopper protrusion, the first stopper protrusion
Stop configurations is formed upper backstop, and the second stopper protrusion forms lower backstop to stop configurations, thus backstop is tied
Structure is spacing between the first stopper protrusion and the second stopper protrusion.
May be otherwise and be not provided with the second stopper protrusion, directly using the upper surface of fairlead 50 as lower limit
Portion.
Preferably, the bottom of screw rod moulding 62 is provided with the bottom protrusion 64 stretched out towards the second stopper protrusion.
This bottom protrusion 64 can match with the second stopper protrusion, and increase fairlead 50 contacts with screw arbor assembly
Area, percussion suffered during reducing by the second stopper protrusion backstop, improves the property of electric expansion valve
Energy.
Bottom protrusion 64 and the second stopper protrusion form that screw arbor assembly 60 is formed the circumference of rotary spacing is spacing
Structure.Bottom protrusion 64 can circumferentially direction correspondence screw arbor assembly 60 second stopper protrusion arrange,
Screw arbor assembly 60 moves downward when putting in place, by the second stopper protrusion, bottom protrusion 64 can be formed circumference
Spacing, prevent screw arbor assembly 60 to be rotated further, so that the depressed position of screw arbor assembly 60 is more accurate
Reliably.
Buffer spring 65 it is provided with, the first end of buffer spring 65 between needle 70 and external threaded 61
Being connected on the step surface of external threaded 61, the second end of buffer spring 65 is connected to the step of needle 70
On face.Buffer spring 65 is set in outside needle 70, can be formed axially directed by needle 70, it is ensured that slow
Rush spring 65 and provide axial force to needle 70 and external threaded 61, move to valve seat at needle 70
During 30 position, buffer spring 65 can provide cushioning effect power to needle 70, prevents needle 70 to spiral shell
Bar assembly 60 impacts, and is also prevented from needle 70 and damages due to the impact by valve seat 30.
First end correspondence valve port 21 of needle 70 is arranged, and the second end of needle 70 is provided with backstop in screw rod group
Stop part 71 outside part 60.This stop part 71 can form backstop to needle 70, prevents needle 70 at weight
Landing from screw arbor assembly 60 under power effect.This stop part 71 can be needle gland, it is also possible to for snap ring
Deng.
Rotor assembly 80 includes magnet rotor 81 and rotor connecting plate 82, the magnet rotor 81 of fixing connection
It is connected by rotor connecting plate 82 is fixing with screw arbor assembly 60, and drives screw arbor assembly 60 with magnet rotor
81 together rotate, thus under the mating reaction of nut assembly 40, make screw arbor assembly 60 drive needle 70
Move up and down, it is achieved the opening and closing of valve port and the adjustment of valve port size.Magnet rotor 81 and rotor connecting plate
Then 82 can be welded on screw arbor assembly 60, it is also possible to fix by other means with integrated injection molding
It is connected on screw arbor assembly 60, as long as ensure that magnet rotor 81 can drive screw arbor assembly 60 together to turn
Dynamic.
Below the mounting process of electric expansion valve is illustrated:
Valve seat 30, valve body 20 are carried out together with copper pipe stove weldering and forms valve component, by nut 41 and nut
Connecting plate 42 carries out injection together and forms nut assembly 40；By magnet rotor 81 and rotor connecting plate 82 1
Play injection and form rotor assembly 80；First it is directed to overlap 50 be press fit on valve component；By screw arbor assembly 60
Screw in nut assembly 40, bottom screw arbor assembly 60, now load buffer spring 65, be inserted into needle
70, the nut assembly 40 assembled is press fit into together with screw arbor assembly 60 also needle 70 etc. and has press-fited
Get well on the valve component of fairlead 50, then valve body 20 has been welded with nut connecting plate 42.Now,
Needle 70 under gravity, is in fully closed state, screw arbor assembly 60 is rotated to bottom protrusion 64 with
The position that lower limit portion 52 collides, is the place of lower backstop, and now needle 70 is motionless, screw arbor assembly
60 produce compression to buffer spring 65 owing to down rotating. screw arbor assembly 60 is back rotated certain
Angle, arranges valve opening pulse, ensures that now buffer spring 65 is still in compressing shape by carrying out size design
State, now needle 70 is still in full off state, rotor assembly 80 is installed to screw arbor assembly 60 away from
On the boss of valve port 21 one end, rotor assembly 80 and screw arbor assembly 60 are fixed on one piece；Now by needle
On gland press-in needle 70, and contacting with screw arbor assembly 60, now the position of screw arbor assembly 60 is to lower backstop
Between angle be valve opening umber of pulse；The when that screw arbor assembly 60 continuing back to rotate, needle 70 is at valve
Move upward under the drive of pin gland, form valve opening；After finally housing 10 being press fit on valve body 20,
Weld, complete assembling.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for ability
For the technical staff in territory, the present invention can have various modifications and variations.All in the spirit and principles in the present invention
Within, any modification, equivalent substitution and improvement etc. made, should be included in protection scope of the present invention it
In.
Claims (10)
1. an electric expansion valve, it is characterised in that including:
Housing (10)；
Valve body (20), fixes with described housing (10) and is connected, and form valve pocket；
Valve seat (30), is fixedly installed on valve port (21) place of described valve body (20)；
Nut assembly (40), is fixedly connected on described valve body (20)；
Fairlead (50), is fixedly installed between described nut assembly (40) and described valve seat (30),
Described fairlead (50) near the side of described nut assembly (40) have upper limit portion (51) and under
Limiting section (52), described fairlead (50) has pilot hole (53)；
Screw arbor assembly (60), and described nut assembly (40) threaded engagement, and along described nut assembly
(40) axially may move up and down, described screw arbor assembly (60) has spacing in described upper limit portion
(51) stop configurations and between described lower limit portion (52)；
Needle (70), axial limiting is in described screw arbor assembly (60), and is located in described pilot hole
(53) in；
Rotor assembly (80), with described screw arbor assembly (60) drive connection, drives described screw arbor assembly
(60) rotate relative to described nut assembly (40).
Electric expansion valve the most according to claim 1, it is characterised in that described fairlead (50) is pressed on
Between described nut assembly (40) and described valve seat (30).
Electric expansion valve the most according to claim 1, it is characterised in that described nut assembly (40) includes
Nut (41) and nut connecting plate (42), described nut (41) is by described nut connecting plate (42)
Being fixedly connected on described valve body (20), described fairlead (50) abuts with described nut (41).
Electric expansion valve the most according to claim 3, it is characterised in that described fairlead (50) is provided with
Positioning step (54), described nut (41) is set on described positioning step (54).
Electric expansion valve the most according to claim 1, it is characterised in that described screw arbor assembly (60) includes
External threaded (61) and screw rod moulding (62), described screw rod moulding (62) and described outer spiral shell
Stricture of vagina screw rod (61) is fixing to be connected, and is set in described needle (70) outward, described external threaded (61)
With described nut assembly (40) threaded engagement, described rotor assembly (80) drive connection is at described outer spiral shell
On stricture of vagina screw rod (61).
Electric expansion valve the most according to claim 5, it is characterised in that described upper limit portion (51) is position
The first stopper protrusion on described fairlead (50), described lower limit portion (52) is led described in being positioned at
The second stopper protrusion on set (50), described first stopper protrusion and described second stopper protrusion are formed
Spacing space, described stop configurations is that described screw rod moulding (62) above and is positioned at described spacing space
Lateral protrusions (63).
Electric expansion valve the most according to claim 6, it is characterised in that described screw rod moulding (62)
Bottom is provided with the bottom protrusion (64) stretched out towards described second stopper protrusion.
Electric expansion valve the most according to claim 7, it is characterised in that described bottom protrusion (64) and institute
State the second stopper protrusion and form the circumferential position limiting structure that described screw arbor assembly (60) is formed rotary spacing.
Electric expansion valve the most according to claim 5, it is characterised in that described needle (70) with described outside
Buffer spring (65), the first end of described buffer spring (65) it is provided with between thread screw (61)
Being connected on the step surface of described external threaded (61), the second end of described buffer spring (65) supports
It is connected on the step surface of described needle (70).
Electric expansion valve the most according to claim 1, it is characterised in that the first end of described needle (70)
Corresponding described valve port (21) is arranged, and the second end of described needle (70) is provided with backstop at described screw rod
Assembly (60) stop part (71) outward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510363983.XA CN106286936B (en) | 2015-06-25 | 2015-06-25 | Electric expansion valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510363983.XA CN106286936B (en) | 2015-06-25 | 2015-06-25 | Electric expansion valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106286936A true CN106286936A (en) | 2017-01-04 |
| CN106286936B CN106286936B (en) | 2019-12-03 |
Family
ID=57650157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510363983.XA Active CN106286936B (en) | 2015-06-25 | 2015-06-25 | Electric expansion valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106286936B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110296266A (en) * | 2018-03-23 | 2019-10-01 | 浙江三花智能控制股份有限公司 | Electric expansion valve |
| CN111059296A (en) * | 2018-10-17 | 2020-04-24 | 浙江盾安禾田金属有限公司 | Electronic expansion valve |
| CN111059295A (en) * | 2018-10-17 | 2020-04-24 | 浙江盾安禾田金属有限公司 | Electronic expansion valve |
| WO2020083065A1 (en) * | 2018-10-22 | 2020-04-30 | 浙江盾安人工环境股份有限公司 | Electronic expansion valve |
| CN111963695A (en) * | 2020-07-28 | 2020-11-20 | 东风汽车集团有限公司 | Automobile-used electronic expansion valve and vehicle of low wear structure |
| CN114458773A (en) * | 2020-10-21 | 2022-05-10 | 盾安环境技术有限公司 | Electronic expansion valve |
| US20220235866A1 (en) * | 2020-12-03 | 2022-07-28 | Mahle International Gmbh | Valve body for an expansion valve |
| WO2024022000A1 (en) * | 2022-07-27 | 2024-02-01 | 广东威灵电机制造有限公司 | Electronic expansion valve assembly, electronic expansion valve, and refrigeration appliance |
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| JPS58118372U (en) * | 1982-02-05 | 1983-08-12 | 太平洋工業株式会社 | proportional control valve |
| CN201013922Y (en) * | 2007-03-16 | 2008-01-30 | 浙江盾安精工集团有限公司 | Electronic expansion valve for refrigerate |
| CN201891900U (en) * | 2010-11-10 | 2011-07-06 | 浙江盾安禾田金属有限公司 | Electronic expansion valve |
| CN203657298U (en) * | 2014-01-17 | 2014-06-18 | 浙江新三荣制冷有限公司 | Electronic expansion valve |
| CN104279342A (en) * | 2013-07-12 | 2015-01-14 | 浙江盾安禾田金属有限公司 | Electronic expansion valve |
| CN104344050A (en) * | 2013-07-25 | 2015-02-11 | 浙江三花汽车零部件有限公司 | Electronic expansion valve |
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2015
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58118372U (en) * | 1982-02-05 | 1983-08-12 | 太平洋工業株式会社 | proportional control valve |
| CN201013922Y (en) * | 2007-03-16 | 2008-01-30 | 浙江盾安精工集团有限公司 | Electronic expansion valve for refrigerate |
| CN201891900U (en) * | 2010-11-10 | 2011-07-06 | 浙江盾安禾田金属有限公司 | Electronic expansion valve |
| CN104279342A (en) * | 2013-07-12 | 2015-01-14 | 浙江盾安禾田金属有限公司 | Electronic expansion valve |
| CN104344050A (en) * | 2013-07-25 | 2015-02-11 | 浙江三花汽车零部件有限公司 | Electronic expansion valve |
| CN203657298U (en) * | 2014-01-17 | 2014-06-18 | 浙江新三荣制冷有限公司 | Electronic expansion valve |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110296266A (en) * | 2018-03-23 | 2019-10-01 | 浙江三花智能控制股份有限公司 | Electric expansion valve |
| CN111059296A (en) * | 2018-10-17 | 2020-04-24 | 浙江盾安禾田金属有限公司 | Electronic expansion valve |
| CN111059295A (en) * | 2018-10-17 | 2020-04-24 | 浙江盾安禾田金属有限公司 | Electronic expansion valve |
| CN111059296B (en) * | 2018-10-17 | 2022-02-08 | 浙江盾安禾田金属有限公司 | Electronic expansion valve |
| WO2020083065A1 (en) * | 2018-10-22 | 2020-04-30 | 浙江盾安人工环境股份有限公司 | Electronic expansion valve |
| CN111963695A (en) * | 2020-07-28 | 2020-11-20 | 东风汽车集团有限公司 | Automobile-used electronic expansion valve and vehicle of low wear structure |
| CN111963695B (en) * | 2020-07-28 | 2022-01-25 | 东风汽车集团有限公司 | Automobile-used electronic expansion valve and vehicle of low wear structure |
| CN114458773A (en) * | 2020-10-21 | 2022-05-10 | 盾安环境技术有限公司 | Electronic expansion valve |
| CN114458773B (en) * | 2020-10-21 | 2024-03-29 | 盾安环境技术有限公司 | Electronic expansion valve |
| US20220235866A1 (en) * | 2020-12-03 | 2022-07-28 | Mahle International Gmbh | Valve body for an expansion valve |
| WO2024022000A1 (en) * | 2022-07-27 | 2024-02-01 | 广东威灵电机制造有限公司 | Electronic expansion valve assembly, electronic expansion valve, and refrigeration appliance |
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| Publication number | Publication date |
|---|---|
| CN106286936B (en) | 2019-12-03 |
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