CN209012453U - Electric expansion valve - Google Patents
Electric expansion valve Download PDFInfo
- Publication number
- CN209012453U CN209012453U CN201821337603.0U CN201821337603U CN209012453U CN 209012453 U CN209012453 U CN 209012453U CN 201821337603 U CN201821337603 U CN 201821337603U CN 209012453 U CN209012453 U CN 209012453U
- Authority
- CN
- China
- Prior art keywords
- valve
- electric expansion
- guide sleeve
- valve body
- limiting section
- 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.)
- Active
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 utility model relates to technical field of air conditioner refrigeration, more particularly to a kind of electric expansion valve.The electric expansion valve includes the valve body with axis X, needle component and casing, and valve port is offered on the valve body, and described sleeve pipe is set on the valve body, and the needle component is set in the valve body to be turned on or off the valve port;The electric expansion valve further includes being set to the intracorporal guide sleeve and nut set to guide the needle component to move along axis X direction of the valve, offers the installation cavity being connected to the valve port on the valve body, the installation cavity is to install the guide sleeve;The installation cavity has limiting section far from described valve port one end, and the guide sleeve is equipped with to limit the auxiliary section that the guide sleeve is axially moved along the needle component with limiting section cooperation.Compared with the prior art, the advantages of the utility model are: the guide sleeve will not occur axially to loosen, noise is small.
Description
Technical field
The utility model relates to technical field of air conditioner refrigeration, more particularly to a kind of electric expansion valve.
Background technique
Electric expansion valve is an important component in refrigeration equipment, mainly plays reducing pressure by regulating flow and adjusts the work of flow
With.Existing electric expansion valve includes the components such as valve body, casing, guide sleeve, needle component, nut set and driving mechanism.Casing
It is installed on valve body, valve port is offered on valve body, nut set and guide sleeve are installed on valve body;Needle component is installed on guiding
It in set, and moves under the action of the driving mechanism along the guide sleeve, nut set to open or close valve port, to realize throttling
Decompression and the purpose for adjusting flow.
When valve port is opened, fluid media (medium) flows into from valve port.And it the high pressure of fluid media (medium), fluid media (medium) high/low temperature, leads
To under the shock effect of the set components such as defatigation and valve body, guide sleeve, which is easy the guide sleeve for loosening, and loosening, can generate machine
Tool noise influences user experience also because the variation of runner is easy to produce fluid noise.
Utility model content
Based on this, it is necessary in view of the above technical problems, provide a kind of electric expansion valve that can prevent guide sleeve from loosening.
In order to achieve the above objectives, the utility model uses following technical proposal:
A kind of electric expansion valve offers on the valve body including valve body, needle component and casing with axis X
Valve port, described sleeve pipe are set on the valve body, and the needle component is set in the valve body to be turned on or off the valve
Mouthful;The electric expansion valve further includes intracorporal to guide the needle component to move along axis X direction set on the valve
Guide sleeve and nut set, the installation cavity being connected to the valve port is offered on the valve body, and the installation cavity is described to install
Guide sleeve;The installation cavity far from described valve port one end have limiting section, the guide sleeve be equipped with to the limiting section
Cooperation limits the auxiliary section that the guide sleeve is axially moved along the needle component.
In this application, there is limiting section far from described valve port one end due to the installation cavity, the guide sleeve is equipped with
With the auxiliary section of limiting section cooperation, the auxiliary section and the limiting section cooperate, to prevent the guide sleeve in fluid media (medium)
The factors lower edge such as high pressure, fluid media (medium) high/low temperature described in axis X loosen and generate noise, influence the experience of user.
The limiting section is annular in shape as a further improvement of the utility model, and the internal diameter of the limiting section is less than described
The internal diameter of installation cavity.
Limiting section section of plane where the axis X is trapezoidal as a further improvement of the utility model, or arc
Shape.
As a further improvement of the utility model, the limiting section have be oppositely arranged to be supported with the guide sleeve
The medial surface and lateral surface held form angle α, the folder between the medial surface of the limiting section and the inner wall of the installation cavity
The range of angle α are as follows: 120 °≤α≤160 °.
It should be understood that forming angle α between the medial surface of the limiting section and the inner wall of the installation cavity;
That is, forming the shaft shoulder, the cooperation is held in the shaft shoulder, so that structure is very to be loosened with restricted guidance set along the axis X
It is simple and reliable.
The limiting section and the valve body can be integrated formula structure as a further improvement of the utility model,.
Integral structure is set, it can be convenient for the processing and manufacture of the limiting section and valve body.
The limiting section and the split type setting of the valve body as a further improvement of the utility model,.
Split type setting, can be in order to the installation of the components such as the needle component.
The guide sleeve includes the first cylinder being installed in the installation cavity as a further improvement of the utility model,
Section, and the second cylindrical section positioned at nut set inside;It is formed between first cylindrical section and second cylindrical section
The auxiliary section, the auxiliary section and the limiting section cooperate.
The nut set has the first end and second end being oppositely arranged as a further improvement of the utility model,
The first end of the nut set is installed on the valve body and leans on the limiting section support;The second end of the nut set is contained in
In described sleeve pipe.
The inner wall of nut set is equipped with the second positioning step as a further improvement of the utility model, and described the
Two cylindrical sections are protruded into the nut set and are resisted against on second positioning step.
Second positioning step is set, further the guide sleeve can be limited, to improve the reliability of limit.
The guide sleeve further includes third cylindrical section as a further improvement of the utility model, the third cylindrical section
One end set on first cylindrical section far from second cylindrical section;Valve chamber, the installation cavity are also provided in the valve body
Bottom offer the through-hole the valve chamber to be connected to the installation cavity, the third cylindrical section is protruded into from the through-hole
In the valve chamber.
Compared with prior art, the electric expansion valve is limited by being arranged in the installation cavity far from described valve port one end
Portion, the guide sleeve are equipped with the auxiliary section cooperated with limiting section, and the auxiliary section and the limiting section cooperate, to prevent institute
It states guide sleeve axis X described in the factors lower edges such as high pressure, the fluid media (medium) high/low temperature of fluid media (medium) to loosen and generate noise, shadow
Ring the experience of user.
Detailed description of the invention
Fig. 1 is the perspective view of electric expansion valve provided by the utility model;
Fig. 2 is the cross-sectional view of electric expansion valve provided by the utility model;
Fig. 3 is the cross-sectional view of valve body provided by the utility model;
Fig. 4 is the enlarged drawing in Fig. 3 provided by the utility model at A;
Fig. 5 is the cross-sectional view of guide sleeve provided by the utility model;
Fig. 6 is the perspective view of screw arbor assembly provided by the utility model and rotor assembly.
In figure, electric expansion valve 100, valve body 10, valve port 11, valve chamber 12, through-hole 13, installation cavity 14, the first positioning step
14a, limiting section 141, the medial surface 141a of limiting section, the lateral surface 141b of limiting section, connecting cavity 15, guide sleeve 16, auxiliary section
161, the first cylindrical section 162, the second cylindrical section 163, step 163a, third cylindrical section 164, connection sheet 17, import 18, medium into
Pipe 18a, outlet 19, medium outlet pipe 19a, needle component 20, valve needle cover 21, needle 22, the first spring base 23, second spring seat
24, elastic component 25, guide holder 26, ball 27, screw arbor assembly 30;Screw rod 31;Nut set 32;Second positioning step 321;Stop platform
322;Casing 40;Rotor assembly 50;Rotor 51;Pinboard 52;Locating part 53;Spring 531;Stop portion 531a;Stop circle 532;
Lead movable plate 54.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
It should be noted that it can be directly on another component when component is referred to as " being installed in " another component
Or there may also be components placed in the middle.When a component is considered as " being set to " another component, it, which can be, is directly set
Set on another component or may be simultaneously present component placed in the middle.When a component is considered as " being fixed on " another group
Part, it, which can be, is directly anchored on another component or may be simultaneously present component placed in the middle.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein " and/or " include
Any and all combinations of one or more related listed items.
Referring to Fig. 1, the utility model provides a kind of electric expansion valve 100, the electric expansion valve 100 is mainly used in
Air-conditioning refrigeration system, to adjust flow and reducing pressure by regulating flow.
Fig. 2 is please referred to, the electric expansion valve 100 includes valve body 10, needle component 20, screw arbor assembly 30, casing 40, turns
Sub-component 50 and stator module (not shown).The needle component 20, the screw arbor assembly 30 and described sleeve pipe 40 are installed
In on the valve body 10.One end of the screw arbor assembly 30 is connect with the needle component 20, the other end and the rotor assembly
50 connections.The rotor assembly 50 is set in described sleeve pipe 40, and the stator module (not shown) is set in described sleeve pipe 40.Institute
It states the energization of stator module (not shown) and generates magnetic field, and rotate the rotor assembly 50 under the effect of the magnetic field force, institute
Stating rotor assembly 50 drives the screw arbor assembly 30 to move, so that the electronic expansion is realized in the needle component 20 movement
Valve 100 opens or closes, to achieve the purpose that adjust flow and reducing pressure by regulating flow.
Also referring to Fig. 3, the valve body 10 is generally cylindrical, and certainly, in other embodiments, the valve body 10 is also
It can be in other shapes, such as: rectangle etc..
The valve body 10 has axis X.On the valve body 10 along the axis X successively offer valve port 11, valve chamber 12,
Through-hole 13, installation cavity 14 and connecting cavity 15.The through-hole 13 is opened in the bottom of the installation cavity 14.13 aperture of through-hole
Less than the internal diameter of the installation cavity 14.It should be understood that in turn, the of ring-shaped is formed on the bottom of the installation cavity 14
One positioning step 14a.
The valve body 10 is equipped with guide sleeve 16 and connection sheet 17.The guide sleeve 16 is installed on the installation cavity 14
It is interior, for guiding the needle component 20 to move along the axis X direction of valve body 10.The connection sheet 17 is installed on the connection
In chamber 15, to install the screw arbor assembly 30.Preferably, the connection sheet 17 is installed on the connecting cavity by welding manner
In 15.
Further, it is interference fitted between the guide sleeve 16 and the installation cavity 14.The guide sleeve 16, which is equipped with, matches
Conjunction portion 161, the installation cavity 14 have limiting section 141 far from the circumferential direction of described 11 one end of valve port.The auxiliary section 161 to
The cooperation of limiting section 141 is to realize the positioning along axis X direction of the guide sleeve 16, to prevent guide sleeve 16 in fluid
It is loosened under the factors such as high pressure, the fluid media (medium) high/low temperature of medium along the axis X and generates noise.
The limiting section 141 is annular in shape, and the internal diameter of the limiting section 141 is less than the internal diameter of the installation cavity 14.Preferably,
The limiting section 141 section of plane where the axis X is trapezoidal or arc.One end of 141 larger interior diameter of limiting section is leaned on
The nearly installation cavity 14 is arranged, and one end of the smaller internal diameter of the limiting section 141 is arranged far from the installation cavity 14.
The limiting section 141 have be oppositely arranged to the medial surface 141a supported with the guide sleeve 16 and outside
Face 141b.Angle α is formed between the medial surface 141a of the limiting section and the inner wall of the installation cavity 14.It is to be understood that
, angle α is formed between the medial surface 141a of the limiting section and the inner wall of the installation cavity 14 to be equivalent to be formed described in limitation
The shaft shoulder that guide sleeve 16 is moved along X-axis.
Preferably, the range of the angle α are as follows: 120 °≤α≤160 °.To which institute can be made under this angular range
It states guide sleeve 16 to be installed in the installation cavity 14, and the guide sleeve 16 can be limited and moved in the X-axis direction.Specifically, at this
In embodiment, angle α=160 °.
The limiting section 141 can be integrated formula structure with the valve body 10, can also be split type with the valve body 10
Setting.The limiting section 141 can be integrated formula structure with the valve body 10, can be convenient for the processing and manufacture of the valve body 10, with
Reduce production cost.The limiting section 141 and the split type setting of the valve body 10, can be convenient for the installation of the guide sleeve 16.And
Set-up mode between the limiting section 141 of above-mentioned two kinds and the valve body 10 has their own advantages, and limiting section 141 specifically is set
The mode of setting can more actual demand and be arranged.
Certainly, in other embodiments, the limiting section 141 can be configured to block.At this point, valve described in the block
Angle between body 10 can be 90 degree.The block is annular in shape, and the block is mounted on the company by locking members such as bolts
It connects in chamber 15.
Referring to Fig. 5, described 16 cylindrical to set, described to set 16 can be three stage structure, including be installed on institute
The first cylindrical section 162 in installation cavity 14 is stated, and with the second cylindrical section 163 of the screw arbor assembly 30 cooperation and positioned at institute
Show the third cylindrical section 164 in valve chamber 12.Match described in being formed between first cylindrical section 162 and second cylindrical section 163
Conjunction portion 161.
First cylindrical section 162 is interlude, i.e., between second cylindrical section 163 and third cylindrical section 164.
The outer diameter of first cylindrical section 162 is respectively greater than the outer diameter of the outer diameter of second cylindrical section 163, third cylindrical section 164.From
And, it should it is understood that second cylindrical section 163 is respectively and in second cylindrical section 163, the third cylindrical section
Step 163a, i.e., the described auxiliary section 161 are formed between 164.Between first cylindrical section 162 and second cylindrical section 163
The step 163a formed is the auxiliary section 161.Between first cylindrical section 162 and the third cylindrical section 164
Step 163a and bottom the first positioning step 14a of the installation cavity 14 cooperate, to realize that the third cylindrical section 164 is fixed
Position.
Preferably, first cylindrical section 162 has chamfering structure close to one end of the third cylindrical section 164, described
Third cylindrical section 164 has chamfering structure far from one end of first cylindrical section 162.Above-mentioned chamfering structure is set, it can be with
Convenient for the installation of the guide sleeve 16.
Further, it is also provided on the valve body 10 with the import 18 entered for fluid media (medium), and outlet 19.Institute
Valve port 11 is stated between the import 18 and outlet 19.Control the needle component 20, thus realize the import 18 with
Conducting or closing between the outlet 19.
Preferably, be equipped at the import 18 to trandfer fluid medium medium inlet pipe 18 Ah.At the outlet 19
Medium outlet pipe 19a to trandfer fluid medium is installed.In the present embodiment, the fluid media (medium) is refrigerant.The refrigerant
The electric expansion valve 100, the reducing pressure by regulating flow through the electric expansion valve 100, from the medium are flowed into from the medium inlet pipe
Outlet pipe discharge.
Please continue to refer to Fig. 2, the needle component 20 includes valve needle cover 21, the Yi Jian being mounted in the guide sleeve 16
Loaded on the needle 22 in the valve needle cover 21.The needle 22 has axis, the axis of the needle 22 and the valve body 10
Axis X is overlapped setting.One end of the needle 22 is connect with the screw arbor assembly 30, and the other end and the valve port 11 cooperate.Institute
Stating screw arbor assembly 30 drives the movement of needle 22 to control being turned on or off for the valve port 11, to realize the electronics
Unlatching/closing of expansion valve 100.
The needle component 20 further includes the first spring base 23, second spring seat 24, elastic component 25 and guide holder 26.Institute
It states guide holder 26 to be installed on the valve needle cover 21, and cooperates with the screw arbor assembly 30.The elastic component 25 is set to described the
Between one spring base 23 and second spring seat 24.The second spring seat 24 and the needle 22 against.Further, described
Ball 27 is equipped between two spring bases 24 and the needle 22.Pass through spot-welded between the ball 27 and the needle 22.
It is point contact between the ball 27 and the second spring seat 34, thus to reduce the second spring seat 34 and the needle
Frictional force between 32.
Referring to Fig. 1, the screw arbor assembly 30 includes the screw rod that nut covers 32 and is installed in the nut set 32
31.The screw rod 31 has the first end and second end being oppositely arranged, the first end of the screw rod 31 and the rotor assembly 50
Connection, the second end of the screw rod 31 is arranged in the nut set 32, and is connect with first spring base 23.The nut
One end of set 32 is installed in the connection sheet 17, and the other end is located in described sleeve pipe 40.
Further, it is equipped with the second positioning step 321 in the nut set 32, second cylindrical section 163 is located at described
It in nut set 32, and is resisted against on second positioning step 321, to further position the guide sleeve 16, improves limit
The reliability of position avoids 16 axial float of guide sleeve, and noise occurs.
Please refer to Fig. 1 and Fig. 6, the rotor assembly 50 include rotor 51 in described sleeve pipe 50, with and to
The pinboard 52 of the screw rod 31, the locating part 53 to limit 51 rotational angle of rotor are installed and are installed on described
Movable plate 54 is led on pinboard 52.The rotor 51 is installed on the pinboard 52.The pinboard 52 and the screw rod 31
Between by welding etc. modes be fixedly connected.
The locating part 53 includes being set in the nut to cover upper spring 531, and be installed on described lead on movable plate 54
Stop circle 532.One end of the spring 531 is connect with the connection sheet 17.The other end of the spring 531 is equipped with stop portion
531a.The stop circle 532 is wrapped on the spring 531.Preferably, 32 outer walls of the nut set are equipped with stop platform 322,
The stop platform 322 cooperates to the stop circle 532, to limit 51 rotational angle of rotor.
It is rotationally moved along the axis X in the rotor 51, to drive the screw rod 31 that the needle 22 is driven to close
During the valve port 11, the stop circle 532 is moved along the spring 531;The stop circle 532 is resisted against described stop
Shelves platform 322, limits 51 rotational angle of rotor, is the lower limit of the rotor 51.In the rotor 51 rotationally along described
Axis X movement, during driving the screw rod 31 that the needle 22 is driven to open the valve port 11, the stop circle 532
It is moved along the spring 531;The stop circle 532 is resisted against stop portion 531a, to limit 51 rotational angle of rotor, is
The upper limit of the rotor 51.
The stator module (not shown) includes the components such as coil, to generate magnetic field after being powered, and in the magnetic field force
Under effect, the rotor 51 is driven to rotate, to realize the rotation of the screw rod 31.
The working principle of the electric expansion valve 100 is described below:
When the stator module is powered, the stator module, which is powered, generates magnetic field, and the band under the action of magnetic field force
It moves the rotor 51 to rotate, to drive the screw rod 31 to be axially moved in nut set 32, to drive the needle 22
Movement is to control being turned on or off for the valve port 11.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (10)
1. a kind of electric expansion valve offers valve on the valve body including valve body, needle component and casing with axis X
Mouthful, described sleeve pipe is set on the valve body, and the needle component is set in the valve body to be turned on or off the valve port;
It is characterized in that, the electric expansion valve further includes intracorporal to guide the needle component along axis X side set on the valve
To the guide sleeve and nut set of movement, offer the installation cavity being connected to the valve port on the valve body, the installation cavity to
The guide sleeve is installed;The installation cavity far from described valve port one end have limiting section, the guide sleeve be equipped with to institute
It states limiting section cooperation and limits the auxiliary section that the guide sleeve is axially moved along the needle component.
2. electric expansion valve according to claim 1, which is characterized in that the limiting section is annular in shape, the limiting section
Internal diameter is less than the internal diameter of the installation cavity.
3. electric expansion valve according to claim 2, which is characterized in that the limiting section is cut along plane where axis X
Face is trapezoidal or arc.
4. electric expansion valve according to claim 3, which is characterized in that the limiting section have be oppositely arranged to
The medial surface and lateral surface that the guide sleeve supports, form between the medial surface of the limiting section and the inner wall of the installation cavity
Angle α, the range of the angle α are as follows: 120 °≤α≤160 °.
5. electric expansion valve according to claim 2, which is characterized in that the limiting section and the valve body can be integrated formula
Structure.
6. electric expansion valve according to claim 2, which is characterized in that the limiting section with the valve body is split type sets
It sets.
7. electric expansion valve according to claim 2, which is characterized in that the guide sleeve includes being installed on the installation cavity
The first interior cylindrical section, and the second cylindrical section positioned at nut set inside;First cylindrical section and second circle
The auxiliary section is formed between shell of column, the auxiliary section and the limiting section cooperate.
8. electric expansion valve according to claim 7, which is characterized in that the nut set has the first end being oppositely arranged
And second end, the first end of the nut set are installed on the valve body and lean on the limiting section support;The nut set
Second end is contained in described sleeve pipe.
9. electric expansion valve according to claim 8, which is characterized in that the inner wall of the nut set is equipped with the second positioning
Step, second cylindrical section are protruded into the nut set and are resisted against on second positioning step.
10. electric expansion valve according to claim 8, which is characterized in that the guide sleeve further includes third cylindrical section, institute
Third cylindrical section is stated set on the one end of first cylindrical section far from second cylindrical section;Valve is also provided in the valve body
Chamber, the bottom of the installation cavity offer the through-hole the valve chamber to be connected to the installation cavity, the third cylindrical section
It is protruded into the valve chamber from the through-hole.
Priority Applications (21)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821337603.0U CN209012453U (en) | 2018-08-17 | 2018-08-17 | Electric expansion valve |
KR1020227003184A KR20220020398A (en) | 2018-08-17 | 2018-10-31 | Electronic expansion valve |
KR1020227003186A KR20220020400A (en) | 2018-08-17 | 2018-10-31 | Electronic expansion valve |
KR1020227003188A KR102668677B1 (en) | 2018-08-17 | 2018-10-31 | Electronic expansion valve |
KR1020227007594A KR102484650B1 (en) | 2018-08-17 | 2018-10-31 | Electronic expansion valve |
PCT/CN2018/112852 WO2020034423A1 (en) | 2018-08-17 | 2018-10-31 | Electronic expansion valve |
KR1020227003185A KR102646329B1 (en) | 2018-08-17 | 2018-10-31 | Electronic expansion valve |
KR1020227003187A KR20220020401A (en) | 2018-08-17 | 2018-10-31 | Electronic expansion valve |
KR1020227003189A KR20220020403A (en) | 2018-08-17 | 2018-10-31 | Electronic expansion valve |
KR1020217037432A KR102454733B1 (en) | 2018-08-17 | 2018-10-31 | Electronic expansion valve |
KR1020217041450A KR20210156352A (en) | 2018-08-17 | 2018-10-31 | Electronic expansion valve |
KR2020207000073U KR20210000190U (en) | 2018-08-17 | 2018-10-31 | Electronic expansion valve |
JP2020551493A JP7224366B2 (en) | 2018-08-17 | 2018-10-31 | electronic expansion valve |
JP2022040042A JP7369225B2 (en) | 2018-08-17 | 2022-03-15 | electronic expansion valve |
JP2022044043A JP7369813B2 (en) | 2018-08-17 | 2022-03-18 | electronic expansion valve |
JP2022049015A JP7386283B2 (en) | 2018-08-17 | 2022-03-24 | electronic expansion valve |
JP2022054595A JP7369816B2 (en) | 2018-08-17 | 2022-03-29 | electronic expansion valve |
JP2022057512A JP7448580B2 (en) | 2018-08-17 | 2022-03-30 | electronic expansion valve |
JP2022063134A JP2022087187A (en) | 2018-08-17 | 2022-04-05 | Electronic expansion valve |
JP2022063350A JP7439161B2 (en) | 2018-08-17 | 2022-04-06 | electronic expansion valve |
JP2022067844A JP7448583B2 (en) | 2018-08-17 | 2022-04-15 | electronic expansion valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821337603.0U CN209012453U (en) | 2018-08-17 | 2018-08-17 | Electric expansion valve |
Publications (1)
Publication Number | Publication Date |
---|---|
CN209012453U true CN209012453U (en) | 2019-06-21 |
Family
ID=66830979
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201821337603.0U Active CN209012453U (en) | 2018-08-17 | 2018-08-17 | Electric expansion valve |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN209012453U (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021103753A1 (en) * | 2019-11-27 | 2021-06-03 | 浙江盾安人工环境股份有限公司 | Electronic expansion valve |
CN114502900A (en) * | 2019-11-01 | 2022-05-13 | 太平洋工业株式会社 | Integrated valve |
WO2022127264A1 (en) * | 2020-12-14 | 2022-06-23 | 广东威灵电机制造有限公司 | Electronic expansion valve and refrigeration device |
CN114992336A (en) * | 2022-05-30 | 2022-09-02 | 海力达汽车科技有限公司 | Large-flow electronic expansion valve |
-
2018
- 2018-08-17 CN CN201821337603.0U patent/CN209012453U/en active Active
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114502900A (en) * | 2019-11-01 | 2022-05-13 | 太平洋工业株式会社 | Integrated valve |
CN114502900B (en) * | 2019-11-01 | 2023-05-26 | 太平洋工业株式会社 | Integrated valve |
WO2021103753A1 (en) * | 2019-11-27 | 2021-06-03 | 浙江盾安人工环境股份有限公司 | Electronic expansion valve |
WO2022127264A1 (en) * | 2020-12-14 | 2022-06-23 | 广东威灵电机制造有限公司 | Electronic expansion valve and refrigeration device |
CN114992336A (en) * | 2022-05-30 | 2022-09-02 | 海力达汽车科技有限公司 | Large-flow electronic expansion valve |
CN114992336B (en) * | 2022-05-30 | 2023-11-10 | 海力达汽车科技有限公司 | Large-flow electronic expansion valve |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN209012453U (en) | Electric expansion valve | |
US9366353B2 (en) | Control valve driven by stepping motor | |
US9803770B2 (en) | Motor operated valve | |
CN101358656B (en) | Needle valve and refrigerating cycle device with the needle valve | |
CN107289144B (en) | Electronic expansion valve | |
US8763419B2 (en) | Motor-operated valve and refrigeration cycle using the same | |
CN108474493B (en) | Motor-driven valve | |
CN209012452U (en) | Electric expansion valve | |
KR20060122697A (en) | Motor operated valve | |
CN209012510U (en) | Electric expansion valve | |
CN110836270B (en) | Electronic expansion valve | |
CN112413149B (en) | Electronic expansion valve and mounting method thereof | |
CN113883284B (en) | Electric valve and refrigeration cycle system | |
CN109751428A (en) | Electric expansion valve | |
CN110836271A (en) | Electronic expansion valve and air conditioning system using same | |
CN108799528B (en) | Valve device | |
JP2024010029A (en) | Motor-operated valve and refrigeration cycle system | |
CN209042826U (en) | Electric expansion valve | |
CN107166073A (en) | Motor-driven valve and its manufacture method | |
KR101988572B1 (en) | Exhaust control valve for variable displacement compressor | |
US20220154851A1 (en) | Electronic Expansion Valve and Refrigeration System | |
CN110285224B (en) | Electronic flow regulating valve | |
CN108799533B (en) | Valve device | |
CN209042827U (en) | Electric expansion valve | |
CN110836269B (en) | Electronic expansion valve and air conditioning system using same |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |