CN108980378A - Electric expansion valve - Google Patents
Electric expansion valve Download PDFInfo
- Publication number
- CN108980378A CN108980378A CN201810856950.2A CN201810856950A CN108980378A CN 108980378 A CN108980378 A CN 108980378A CN 201810856950 A CN201810856950 A CN 201810856950A CN 108980378 A CN108980378 A CN 108980378A
- Authority
- CN
- China
- Prior art keywords
- nut
- guide sleeve
- electric expansion
- expansion valve
- needle
- 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.)
- Pending
Links
Classifications
-
- 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
- Electrically Driven Valve-Operating Means (AREA)
Abstract
The present invention provides a kind of electric expansion valve, a kind of electric expansion valve, including valve body, nut, needle component and guide sleeve, the nut and guide sleeve and is assemblied on valve body, and the needle component is mounted on nut, the nut and guide sleeve integrated injection molding.The concentricity of needle and nut can be improved in electric expansion valve of the invention, reduces nut abrasion, extends the service life of expansion valve.
Description
Technical field
The present invention relates to electric expansion valve, the electric expansion valve being particularly applied in the refrigeration systems such as air conditioner, refrigerator.
Background technique
Electric expansion valve is an important component in refrigeration system, mainly plays reducing pressure by regulating flow and adjusts the work of flow
With.Existing electric expansion valve includes valve body, nut and passes through the needle component being threadedly engaged with nut, is driven using driving device
Up and down motion is generated while needle component rotates, adjusts valve port opening, realizes flow quantity control.
In this kind of electric expansion valve, it usually needs provide stop device come limit needle up and down motion maximum magnitude,
With limit valve port maximum opening and minimum aperture, or in order to avoid valve needle movements it is excessive or unstable and to valve itself
It damages.
CN101629649B discloses a kind of motor-driven valve, as shown in Figure 1, in the motor-driven valve, in the end shape of support member 2
At fixed lower end bridle SD1, fixed upper end bridle SU1 is formed in support member 2.Under being formed movably on armature spindle 3
Hold bridle MD1 and movable upper end bridle MU1.Using the maximum opening of the cooperation restrictive valve port of SU1 and MU1, with SD1 and
The minimum aperture of the cooperation restrictive valve port of MD1.This be the setting have the advantages that assembly it is simple, still, this stop component with
Magnet rotor is that the mechanism of integral type has weakness.The impact force of stopping function is larger, above-mentioned stop device inevitably bear compared with
Big impact force.On the other hand, magnet rotor is made of magnetic powder and plastics, can occur after being impacted for a long time stop device picking or
The situation that person is crushed.
CN102252121 discloses a kind of electric expansion valve, including magnet rotor 1, and magnet rotor is equipped with inner cavity 11, sets in inner cavity 11
There is the screw rod 2 fixed with magnet rotor 1, inner cavity 11 is additionally provided with stop component 3；Stop component 3 and magnet rotor 1 are separate structure；Magnetic
The top end part of rotor 1 is fixed with attachment base 4, and screw rod 2 is connect by attachment base 4 with magnet rotor 1；Stop component 3 is connected to the company
On joint chair 4.The valve passes through stop component 3, the slip ring 63 on stop component 3 and spring guide rail 62 and attachment base 4 etc.
Complicated mechanism realizes stop, and structure, assembly are complicated, and adjustment is got up more troublesome.
Therefore, the prior art is needed not only to be readily produced, be assembled, but also long-lived motor-driven valve.
Summary of the invention
Problem to be solved by this invention is just to provide a kind of electric expansion valve with simple stop mechanism, swollen to extend
The service life of swollen valve.
In order to solve the above technical problems, the present invention adopts the following technical scheme: a kind of electric expansion valve, including valve body, dress
It fits over the nut on valve body, the screw rod being movably assemblied in the nut and set on periphery and covers the nut one
Partial magnet rotor, the magnet rotor are fixedly connected on the upper end of the screw rod by connecting plate, described in the magnet rotor driving
Screw rod is moved back and forth above and below, aperture of the control needle relative to the valve port for being located at body base, which is characterized in that also wrap
Include: movably upper end stop is fixedly connected on the connecting plate, extends downwardly from the connecting plate, the movable upper end stop
Device further comprises vertical extension and lateral limiting section；Fixed stop block is integrally formed in the nut periphery
The convex block of upper end.
Further, further include a movable lower end stop, be a block, it is fixed to correspond to the fixed stop block
In the corresponding position of the geared nut one side of the connecting plate.
Further, the movable upper end stop is connected from the side far from the nut of the connecting plate, is worn
The connecting plate is crossed to extend downwardly.
Further, the connecting plate is equipped with the around the hole for wearing the screw rod in the side far from the nut
One bulge loop, the movably upper end stop includes an annulus in corresponding position, for being sheathed on first bulge loop.
In another embodiment, the movably upper side towards the nut of the end stop from the connecting plate
Connection.
Further, the connecting plate is equipped with the around the hole for wearing the screw rod in the side for being located at the nut
Two bulge loops, the movably upper end stop includes an annulus in corresponding position, for being sheathed on second bulge loop.
In another embodiment, expansion valve of the invention further includes a fixed lower end stop, corresponds to the limit
Position portion is fixedly arranged on the nut excircle, and is located at the position under the fixed stop block (22), and the movable upper end is stopped
Dynamic device is simultaneous to play end stop under a fixation.
Further, the movable upper end stop is connected from the side far from the nut of the connecting plate, is worn
It crosses the connecting plate to extend downwardly, the connecting plate surround in the side far from the nut and sets for wearing the hole of the screw rod
There is the first bulge loop, the movably upper end stop includes an annulus in corresponding position, for being sheathed on first bulge loop.
In another embodiment, the connecting plate is in the side for being located at the nut around for wearing the screw rod
Hole be equipped with the second bulge loop, the movably upper end stop includes an annulus in corresponding position, for being sheathed on second bulge loop,
The movably upper end stop forms one second limiting section in vertical extension upper end, plays a part of movably descending end stop.
In another embodiment, the movably upper end stop by injection molding or hot-forming is threaded through institute
It states on connecting plate, and provides a boss at the connecting plate downside extending, as movable lower end stop.
Above-mentioned general plotting through the invention, the position-limit mechanism structure for limiting screw rod motion range is simple, is easy to
Manufacture and assembly.
In the second aspect of the present invention, a kind of electric expansion valve is provided, it is therefore an objective to which the concentricity for improving needle and nut subtracts
Few nut abrasion, extends the service life of expansion valve.
For this purpose, electric expansion valve according to a second aspect of the present invention includes valve body, nut, needle component and guide sleeve,
The nut and guide sleeve are assemblied on valve body, and the needle component is mounted on nut, and the nut and guide sleeve are integrally infused
It is moulded into type.
These features and following all features all can individually or in combination with first aspect present invention
All features are used in combination.
Further, the guiding set upper side is equipped with the connection sheet radially extended, and the guide sleeve passes through connection sheet and spiral shell
Female lower end integrated injection molding.
Further, the connection sheet is structure as a whole with guide sleeve, and connection sheet is rolled over by the bulk material punching press of guide sleeve
Bending at.
Further, the connection sheet and guide sleeve are separate structure, and connection sheet is annular in shape and is fixed on guiding set upper side.
Further, the connection sheet and guide sleeve are separate structure, and connection sheet is annular in shape and actively covers in guide sleeve
Upper end.
Further, the connection sheet is equipped with injecting hole and spring guide rail location hole.
Further, the needle component includes needle, screw rod and positioning sleeve, and the screw rod and nut are matched by screw thread
Connection is closed, the screw lower end is fixedly connected with the upper end of positioning sleeve, and needle is movably arranged on positioning sleeve lower end, needle and screw rod
Between be equipped with needle spring.
Further, the valve body lower end be equipped with valve port seat, the valve port seat be equipped with valve port, the guide sleeve lower end with
Valve port cover for seat connects.
Electric expansion valve of the present invention more closely, connects nut and guide sleeve integrated injection molding, cooperation between the two
It is good to connect stability；Due to using injection molding, the concentricity of nut and guide sleeve is guaranteed, and guide sleeve can be very good to control
The concentricity of needle component and nut reduces abrasion of the needle component vibration to nut, and such nut can be selected cheap
Plastic material, to reduce cost.
The guide sleeve lower end of electric expansion valve of the present invention connects with valve port cover for seat, not only facilitates the installation of inner body, and
The concentricity of guide sleeve and the valve port on valve port seat can also be guaranteed, so that the valve port on needle component and valve port seat
Concentricity is higher, effectively avoids situations such as sealing valve port is not tight, valve port abrasion or needle is stuck generation, extends and use the longevity
Life.
These features and advantages of the invention will the detailed exposure in following specific embodiment, attached drawing.
Detailed description of the invention
Following further describes the present invention with reference to the drawings:
Fig. 1 is the schematic diagram of internal structure of an electric expansion valve in the prior art；
Fig. 2 is the schematic diagram of internal structure of electric expansion valve in the embodiment of the present invention one；
Fig. 3 is the schematic diagram of connecting plate and movable upper end stop mounting structure in inventive embodiments one；
Fig. 4 is the attachment structure schematic diagram of guide sleeve and nut in inventive embodiments one；
Fig. 5 is the structural schematic diagram of guide sleeve in inventive embodiments one；
Fig. 6 is the structural schematic diagram of guide sleeve in a variation example of the invention；
Fig. 7 is the structural schematic diagram of guide sleeve in another variation example of the present invention；
Fig. 8 is the schematic diagram of connecting plate and movable upper end stop mounting structure in inventive embodiments two
Fig. 9 a is the schematic diagram of connecting plate and movable upper end stop mounting structure in inventive embodiments three；
Fig. 9 b is the structural schematic diagram of nut used in inventive embodiments three
Figure 10 is the schematic diagram of connecting plate and movable upper end stop mounting structure in inventive embodiments four；
Figure 11 is the schematic diagram of connecting plate and movable upper end stop mounting structure in inventive embodiments five.
Specific embodiment
The present invention proposes a kind of electric expansion valve, including valve body, nut, needle component and guide sleeve, nut and guiding
Set is assemblied on valve body, and needle component is mounted on nut, improves setting for the stop mechanism of limitation needle component scope of activities
It sets, central scope is: fixed upper end stop and fixed lower end stop being fixedly arranged on nut periphery, by movable upper end stop
Device and movable lower end stop are fixedly arranged on connecting plate.The stop mechanism structure is simple, easily fabricated and assembly, relative to one kind
The prior art can extend the service life of expansion valve.
The technical solution of the embodiment of the present invention is explained and illustrated below with reference to the attached drawing of the embodiment of the present invention, but under
Stating embodiment is only the preferred embodiment of the present invention, and not all.Based on the implementation example in the implementation mode, those skilled in the art
Member's obtained other embodiments without making creative work, belong to protection scope of the present invention.
Directional terminology "upper" herein, "lower" are provided for the display mode in attached drawing, because rather than absolutely contain
Justice.
Embodiment one:
Referring to Fig. 2, the electric expansion valve of the present embodiment includes valve body 1, the nut being assemblied on valve body 12, movably fills
Fit over the needle component (wherein comprising screw rod 41) in nut 2, set on periphery and cover 2 a part of nut magnet rotor 6 and
Guide sleeve 3, magnet rotor 6 are fixedly connected on the upper end of screw rod 41 by connecting plate 8, and it is upper and lower past that magnet rotor 6 drives screw rod 41 to carry out
Multiple movement, aperture of the control needle 42 relative to the valve port 71 for being located at 1 bottom of valve body, to reach the mesh of adjusting refrigerant flow rate
's.
Movably upper end stop 9 is fixedly connected on connecting plate 8, is extended downwardly from the connecting plate 8, the movable upper end stop
Device 9 includes vertical extension 91 and lateral limiting section 92；It is additionally provided with fixed stop block 22 in 2 periphery upper end of nut, is
One convex block is integrally formed with nut.In the range of valve port maximum opening, movable upper end stop 9 and magnet rotor 6, screw rod
41 and connecting plate 8 rotate together, movably upper end stop 9 can pass through below fixed stop block 22；When reaching valve port most
When big aperture, the limiting section 92 of movable upper end stop 9 is fixed stop block 22 and blocks, and no longer rotates, and screw rod 41 is no longer upwards
Movement.It is additionally provided with a movably lower end stop 82 on connecting plate 8, is a block, it is solid to correspond to fixed stop block 22
Set on 2 side of geared nut of connecting plate, usually it is integrally formed with connecting plate.Before reaching valve port minimum aperture, under movable
End stop 82 and fixed stop block have gap between 22 upper surface, can pass through above fixed stop block 22；Reach valve port
When minimum aperture, movably lower end stop 82 is fixed stop block 22 and blocks, and no longer rotates, at this moment screw rod 41 reaches downlink most
Big degree.Those skilled in the art are readily appreciated that, design above-mentioned movably upper end stop 9, fixed stop block 22 and movable lower end stop
When relative position between device 8 or size, need to consider needle relative to valve port motion amplitude and screw rod 41 and nut it
Between screw thread screw pitch and the factors such as number of threads.
Referring to Fig. 3, the side of separate nut 2 of the movable upper end stop 9 from connecting plate is connected, across connecting plate 8 to
Lower extension.Connecting plate is equipped with the first bulge loop 84 around the hole 83 for wearing screw rod in the side far from nut, and movable upper end is stopped
Dynamic device 9 includes an annulus (not shown) in corresponding position, which is sheathed on first bulge loop 84, so that fixed movable upper end is stopped
Dynamic device 9.
In terms of other of the present embodiment expansion valve, Fig. 2 is referred to, is valve chamber 10 inside valve body 1, is connected on valve body 1
Entrance sleeve 11 and discharge connection 12 are equipped with valve port seat 7 in 1 lower end of valve body, and valve port seat 7 is equipped with valve port 71, valve port 71 with go out
Mouth adapter tube 12 is corresponding, and 3 lower end of guide sleeve and valve port seat 7 are socketed；Needle component includes needle 42, screw rod 41 and positioning sleeve
43,41 lower end of screw rod is fixedly connected with the upper end of positioning sleeve 43 by valve needle cover 45, and needle 42 is movably arranged under positioning sleeve 43
End is equipped with needle spring 44 between needle 42 and screw rod 41.The rotational energy of magnet rotor 6 drives screw rod 41 to rotate and generates fortune up and down
Dynamic, the up and down motion of screw rod 41 drives needle 42 to move up and down by positioning sleeve 43.
In the present embodiment, 2 lower end of nut and 3 upper end integrated injection molding of guide sleeve, cooperation between the two more closely,
Connective stability is good, and due to using injection molding, nut 2 and the concentricity of guide sleeve 3 are guaranteed, and guide sleeve 3 can be fine
Control needle 42 component and nut 2 concentricity, reduce abrasion of 42 component of the needle vibration to nut 2, such nut 2 can be with
Cheap plastic material is selected, to reduce cost；In addition, since 3 lower end of guide sleeve and valve port seat 7 are socketed, guide sleeve 3
It can also be guaranteed with the concentricity of the valve port 71 on valve port seat 7, so that the valve port 71 on 42 component of needle and valve port seat 7
Concentricity it is higher, effectively avoid situations such as sealing valve port is not tight, valve port abrasion or needle is stuck generation, extend and use the longevity
Life.
When it is implemented, referring to fig. 4 and Fig. 5, the connection sheet 31 radially extended is set in 3 upper end of guide sleeve, on guide sleeve 3
End is by the lower end integrated injection molding of connection sheet 31 and nut 2, and referring to Fig. 3, in the present embodiment, nut 2 is plastic material, is led
It is metal material to set 3, forms the connection sheet 31 of integral structure in 3 upper end pressing and bending of guide sleeve, connection sheet 31 is to valve body 1
10 inner wall of valve chamber extends, but does not connect with 10 inner wall of valve chamber of valve body 1, and compared with prior art, the present embodiment eliminates connection sheet
With the Joining Technology of valve body, assembly is more convenient, and also reduces the influence of connection sheet and valve body welding precision, effectively controls
The installation accuracy of guide sleeve and nut on valve body.
Since connection sheet 31 is that pressing and bending is formed, with 3 integral structure of guide sleeve, intensity is higher, and adjacent tabs
The gap 32 formed between 31 passes through in injection moulding process convenient for injection molding material, strong with the connection of reinforced plastics nut 2 and guide sleeve 3
Degree, in addition, the gap 32 formed between adjacent tabs 31 can limit the lower end of spring guide rail 5, sets on guide sleeve 3
It is equipped with refrigerant through-hole 30, in order to which refrigerant passes through.
Before injection molding, prepare guide sleeve, nut and injection mold, injection mold include external mold and with nut inner hole shape
Consistent plug；When injection molding, first guiding is placed in external mold, plug is placed in guide sleeve, nut injection molding is carried out, by nut
It is integral with guide sleeve injection molding；After cooling, sloughs external mold and screw out plug from nut.
Obviously, needle component disclosed in the present embodiment is preferred structure, and 42 component of needle of other structures is also fitted at present
It is also used and the present invention with screw rod 41 for integrated structure with the present embodiment or even needle component.
For example, as variation example, connection sheet 31 and guide sleeve 3 are separate structure, and connection sheet 31 is annular in shape and is fixed on and leads
To 3 upper ends are covered, fixed form can be interference fit or welded connecting, referring to Fig. 6.Separately installed connection sheet 31 can be to avoid
The problem of stress concentration causes connection sheet 31 to deform, stability is preferable.As another variation example, referring to Fig. 7, connection sheet 31 with lead
It is separate structure to set 3, connection sheet 31 is annular in shape and actively covers in 3 upper end of guide sleeve, and specific: 3 upper end of guide sleeve is formed
Necking boss 35, is clearance fit between connection sheet 31 and necking boss 35, and connection sheet 31 can be slided up and down freely, infused
When modeling, necking boss 35 be inserted into 2 lower end of nut inner hole in, can according to installation requirement of the guide sleeve 3 in 1 inner cavity of valve body,
The depth that necking boss 35 is inserted into nut 2 is adjusted, so as to better fixed guide set 3
Embodiment two:
Referring to Fig. 8, the structure of the present embodiment electric expansion valve is roughly the same with embodiment one, the difference is that: it is movable
Upper end stop 9 is connected from the side of the geared nut 2 of connecting plate 8.Connecting plate is in the side for being located at nut around for wearing
The hole 83 of screw rod is equipped with the second bulge loop 85, and movably upper end stop 9 includes an annulus in corresponding position, which can be open loop
Or closed loop, for being sheathed on second bulge loop 85.This set is more easy.
Embodiment three:
Referring to Fig. 9 and Figure 10, the structure of the present embodiment electric expansion valve is roughly the same with embodiment one, and difference exists
In: expansion valve further includes a fixed lower end stop 26, corresponds to the corresponding position that limiting section 92 is fixedly arranged on 2 excircle of nut,
The limiting section 92 of movable upper end stop 9 is simultaneous to play a movably lower end stop.Before reaching valve port minimum aperture,
There is gap between the limiting section 92 of movable upper end stop 9 and fixed lower end stop upper surface, it can be from fixed lower end stop
Pass through above device；When reaching valve port minimum aperture, limiting section 92 is blocked by end stop under the fixation, is no longer rotated, at this moment silk
Bar 41 reaches downlink utmostly.
The side of separate nut of the movable upper end stop 9 from connecting plate connects, and extends downwardly, connects across connecting plate
Plate 8 is equipped with the first bulge loop 84 around the hole 83 for wearing screw rod in the side far from nut 2, and movably upper end stop 9 is right
Answering position includes an annulus, for being sheathed on first bulge loop 84.It is readily appreciated that, in the present embodiment, upper end stop 9 can also
To be located at the side of the geared nut of connecting plate 8.
Example IV:
Referring to Fig.1 0, the structure of the present embodiment electric expansion valve is roughly the same with embodiment one, the difference is that: connection
Plate is equipped with the second bulge loop 85 around the hole 83 for wearing screw rod in the side for being located at nut, and movably upper end stop 9 is in correspondence
Position includes an annulus, and for being sheathed on second bulge loop 85, movably upper end stop 9 is in the annulus relative to movable upper end
The other side definite length extended of retainer body forms one second limiting section 93, plays a part of movably descending end stop.
Embodiment five:
Referring to Fig.1 1, the structure of the present embodiment electric expansion valve is roughly the same with embodiment one, the difference is that: it is movable
Upper end stop 9 by injection molding or it is hot-forming be threaded through on the connecting plate, and in the case where extending the connecting plate
Lateral position provides a boss 94, as movable lower end stop.
In above-mentioned all embodiments, movable upper end brake can use plastics, be fixedly connected by hot compression deformation, this
Sample can be to avoid expensive welding procedure.
It elaborates major technique design of the invention in conjunction with the embodiments above, major technique is conceived, specification middle finger
Its technical effect is illustrated, but does not point out the technical effect of some technical details sufficiently, because those skilled in the art are being somebody's turn to do
It is easy to understand from corresponding technical solution after introduction.In short, through the foregoing embodiment, the purpose of the present invention is complete
Effectively reach.The personage for being familiar with this skill should be understood that the present invention including but not limited to attached drawing and above specific embodiment party
Content described in formula.Any model that claims are intended to be included in without departing from the modification of function and structure principle of the invention
In enclosing.
Claims (8)
1. a kind of electric expansion valve, including valve body, nut, needle component and guide sleeve, the nut and guide sleeve are assemblied in
On valve body, the needle component is movably assemblied in the nut, the nut and guide sleeve integrated injection molding.
2. electric expansion valve as described in claim 1, which is characterized in that the guiding set upper side is equipped with the connection radially extended
Piece, the guide sleeve pass through the lower end integrated injection molding of connection sheet and nut.
3. electric expansion valve as claimed in claim 2, which is characterized in that the connection sheet is structure as a whole with guide sleeve, even
Contact pin is formed by the bulk material pressing and bending of guide sleeve.
4. electric expansion valve as claimed in claim 2, which is characterized in that the connection sheet is separate structure with guide sleeve, even
Contact pin is annular in shape and is fixed on guiding set upper side.
5. electric expansion valve as claimed in claim 2, which is characterized in that the connection sheet is separate structure with guide sleeve, even
Contact pin is annular in shape and actively covers in guiding set upper side.
6. electric expansion valve as claimed in claim 2, which is characterized in that the connection sheet is equipped with injecting hole and spring guide rail
Location hole.
7. electric expansion valve as described in claim 1, which is characterized in that the needle component includes needle, screw rod and determines
Position set, the screw rod are connect with nut by being threadedly engaged, and the screw lower end is fixedly connected with the upper end of positioning sleeve, and needle is living
It is dynamic to be mounted on positioning sleeve lower end, needle spring is equipped between needle and screw rod.
8. electric expansion valve as described in claim 1, which is characterized in that the valve body lower end is equipped with valve port seat, the valve port
Seat is equipped with valve port, and the guide sleeve lower end connects with valve port cover for seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810856950.2A CN108980378A (en) | 2014-06-17 | 2014-06-17 | Electric expansion valve |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810856950.2A CN108980378A (en) | 2014-06-17 | 2014-06-17 | Electric expansion valve |
| CN201410270078.5A CN105241131B (en) | 2014-06-17 | 2014-06-17 | Electric expansion valve |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410270078.5A Division CN105241131B (en) | 2014-06-17 | 2014-06-17 | Electric expansion valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108980378A true CN108980378A (en) | 2018-12-11 |
Family
ID=55038873
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810856950.2A Pending CN108980378A (en) | 2014-06-17 | 2014-06-17 | Electric expansion valve |
| CN201410270078.5A Active CN105241131B (en) | 2014-06-17 | 2014-06-17 | Electric expansion valve |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410270078.5A Active CN105241131B (en) | 2014-06-17 | 2014-06-17 | Electric expansion valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN108980378A (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107289138B (en) * | 2016-04-11 | 2020-04-07 | 浙江盾安人工环境股份有限公司 | Electronic expansion valve |
| CN109958775B (en) * | 2017-12-25 | 2021-12-07 | 浙江盾安机械有限公司 | Electronic expansion valve |
| CN108386585B (en) * | 2018-03-13 | 2024-06-14 | 浙江盾安人工环境股份有限公司 | Electronic expansion valve and air conditioner |
| CN110608309A (en) * | 2018-06-15 | 2019-12-24 | 浙江盾安禾田金属有限公司 | Electronic expansion valve and air conditioner refrigerating system thereof |
| CN111059295B (en) * | 2018-10-17 | 2022-04-05 | 苏州华越金属有限公司 | Electronic expansion valve |
| CN112413149B (en) * | 2019-08-21 | 2022-02-11 | 浙江盾安禾田金属有限公司 | Electronic expansion valve and mounting method thereof |
| CN210920163U (en) * | 2019-09-24 | 2020-07-03 | 浙江盾安禾田金属有限公司 | Valve core assembly and electronic expansion valve with same |
| CN112901803B (en) | 2019-11-19 | 2022-05-13 | 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 |
| CN212959909U (en) * | 2020-08-31 | 2021-04-13 | 盾安环境技术有限公司 | Electronic expansion valve |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006307975A (en) * | 2005-04-28 | 2006-11-09 | Fuji Koki Corp | Motor-operated valve |
| JP2008175240A (en) * | 2007-01-16 | 2008-07-31 | Fuji Koki Corp | Motor operated valve |
| US20110084224A1 (en) * | 2009-10-09 | 2011-04-14 | Zhejiang Sanhua Co., Ltd. | Electronic expansion valve |
| WO2012048581A1 (en) * | 2010-10-15 | 2012-04-19 | 浙江三花股份有限公司 | Electric valve |
| CN102829586A (en) * | 2011-06-15 | 2012-12-19 | 浙江三花股份有限公司 | Electronic expansion valve and manufacturing method therefor |
| CN103133707A (en) * | 2011-11-22 | 2013-06-05 | 浙江三花股份有限公司 | Motorized valve and manufacture method of motorized valve |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4669051B2 (en) * | 2008-07-16 | 2011-04-13 | 株式会社鷺宮製作所 | Motorized valve |
| CN101956830B (en) * | 2009-07-17 | 2013-06-12 | 浙江三花股份有限公司 | Electronic expansion valve |
| CN102454819B (en) * | 2010-10-15 | 2013-03-06 | 浙江三花股份有限公司 | Electric valve and stopping device thereof |
| CN103453699B (en) * | 2012-05-29 | 2016-08-10 | 浙江三花股份有限公司 | A kind of electric expansion valve |
| WO2014023014A1 (en) * | 2012-08-10 | 2014-02-13 | 浙江三花股份有限公司 | Electronic expanding valve |
-
2014
- 2014-06-17 CN CN201810856950.2A patent/CN108980378A/en active Pending
- 2014-06-17 CN CN201410270078.5A patent/CN105241131B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006307975A (en) * | 2005-04-28 | 2006-11-09 | Fuji Koki Corp | Motor-operated valve |
| JP2008175240A (en) * | 2007-01-16 | 2008-07-31 | Fuji Koki Corp | Motor operated valve |
| US20110084224A1 (en) * | 2009-10-09 | 2011-04-14 | Zhejiang Sanhua Co., Ltd. | Electronic expansion valve |
| WO2012048581A1 (en) * | 2010-10-15 | 2012-04-19 | 浙江三花股份有限公司 | Electric valve |
| CN102829586A (en) * | 2011-06-15 | 2012-12-19 | 浙江三花股份有限公司 | Electronic expansion valve and manufacturing method therefor |
| CN103133707A (en) * | 2011-11-22 | 2013-06-05 | 浙江三花股份有限公司 | Motorized valve and manufacture method of motorized valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105241131A (en) | 2016-01-13 |
| CN105241131B (en) | 2019-06-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105241131B (en) | Electric expansion valve | |
| CN106763989B (en) | Electric expansion valve | |
| CN105202199A (en) | Electronic expansion valve | |
| JP7018519B2 (en) | Electronic expansion valve | |
| KR101303536B1 (en) | Electric valve | |
| CN102287536B (en) | Electronic expansion valve | |
| CN104132176B (en) | A kind of aerostatics photo-electric control valve | |
| CN112413149B (en) | Electronic expansion valve and mounting method thereof | |
| CN104550599B (en) | Forge forming device | |
| CN109425150A (en) | Electric expansion valve and refrigeration system with it | |
| CN210978595U (en) | Frictionless ball valve | |
| CN204756101U (en) | Electromagnetic valve | |
| CN207430585U (en) | Fluid micro injection apparatus | |
| CN104315104A (en) | Dual-purpose transmission device | |
| CN207554925U (en) | A kind of double control solenoid valve and the vehicle using the solenoid valve | |
| KR101938281B1 (en) | Electronic valve, pipe system including it and air conditioning system | |
| CN209031895U (en) | Exhaust valve, pot cover component, cooking apparatus and exhaust plug | |
| CN210978578U (en) | Piston type electric valve with bidirectional flow regulation | |
| CN208617007U (en) | Plastic processing winding device | |
| CN203221186U (en) | Automatic sand feeding mechanism for lift type sand shooting head | |
| CN106862372B (en) | The counterbore equipment of antenna reflective face | |
| CN205927495U (en) | Ultrasonic welding institution | |
| CN211423510U (en) | Electromagnetic valve with flow-adjustable function | |
| CN210600401U (en) | Improved valve hand wheel | |
| CN109962281A (en) | A kind of closing device with anti-sticking function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181211 |