CN106678382A - Electronic expansion valve of automobile air conditioner system - Google Patents

Electronic expansion valve of automobile air conditioner system Download PDF

Info

Publication number
CN106678382A
CN106678382A CN201611148296.7A CN201611148296A CN106678382A CN 106678382 A CN106678382 A CN 106678382A CN 201611148296 A CN201611148296 A CN 201611148296A CN 106678382 A CN106678382 A CN 106678382A
Authority
CN
China
Prior art keywords
pressure ring
valve
core case
air conditioning
electric expansion
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.)
Granted
Application number
CN201611148296.7A
Other languages
Chinese (zh)
Other versions
CN106678382B (en
Inventor
秦艳
朱方英
王定军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dunan Environment Technology Co Ltd
Original Assignee
Dunan Environment Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dunan Environment Technology Co Ltd filed Critical Dunan Environment Technology Co Ltd
Priority to CN201611148296.7A priority Critical patent/CN106678382B/en
Publication of CN106678382A publication Critical patent/CN106678382A/en
Application granted granted Critical
Publication of CN106678382B publication Critical patent/CN106678382B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00Lift 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
    • F16K1/32Details
    • F16K1/34Cutting-off parts, e.g. valve members, seats
    • F16K1/42Valve seats
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00Lift 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
    • F16K1/32Details
    • F16K1/34Cutting-off parts, e.g. valve members, seats
    • F16K1/42Valve seats
    • F16K1/422Valve seats attachable by a threaded connection to the housing
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00Lift 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
    • F16K1/32Details
    • F16K1/34Cutting-off parts, e.g. valve members, seats
    • F16K1/46Attachment of sealing rings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K25/00Details relating to contact between valve members and seat
    • F16K25/005Particular materials for seats or closure elements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00Construction of housing; Use of materials therefor
    • F16K27/02Construction of housing; Use of materials therefor of lift valves
    • F16K27/0254Construction of housing; Use of materials therefor of lift valves with conical shaped valve members
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00Fluid-circulation arrangements
    • F25B41/30Expansion means; Dispositions thereof
    • F25B41/31Expansion valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00Fluid-circulation arrangements
    • F25B41/30Expansion means; Dispositions thereof
    • F25B41/31Expansion valves
    • F25B41/34Expansion valves with the valve member being actuated by electric means, e.g. by piezoelectric actuators
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Abstract

The invention discloses an electronic expansion valve of an automobile air conditioner system. The electronic expansion valve comprises a main valve body, a guide valve component detachably installed on the main valve body, and a rotor assembly installed on the guide valve component. A coil assembly is arranged outside the rotor assembly. The guide valve component comprises a pressure ring and a thin-wall sleeve part which is welded to the pressure ring and extends upwards. The pressure ring and the upper portion of a valve element base of the guide valve component are in interference fit and are connected in a riveted mode to form the whole guide valve component. The external diameter of the pressure ring is larger than that of the thin-wall sleeve part. According to the adopted technical scheme, the pressure ring and the upper portion of the valve element base of the guide valve component are in interference fit and are connected in the riveted mode to form the whole guide valve component. Thus, the external diameter of the valve element base can be set to be smaller, and accordingly material waste in the machining process is reduced. Besides, the pressure ring is fixed in a riveted connection mode, and compared with laser welding, installation is more convenient, and the connection quality and reliability are both high.

Description

A kind of air conditioning system for vehicle electric expansion valve
Technical field
The present invention relates to operation of air conditioning systems, more particularly, to a kind of electric expansion valve.
Background technology
Electric expansion valve is arranged between liquid reservoir and evaporator, is the boundary of the high pressure with low pressure of air-conditioning refrigeration system Point.Its function is:The high pressure liquid refrigerant expenditure and pressure from liquid reservoir, the liquid that regulation and control enter in evaporator Refrigerant amount, is allowed to adapt to the change that refrigeration meets.The type of drive of electric expansion valve is that controller is gathered by sensor The parameter for obtaining is calculated, and regulating command is sent to driving plate, and regulating command is sent by driving plate, swollen from driving plate to electronics Swollen valve exports electric signal, is then rotated by coil drive electric expansion valve rotor part, realizes that needle is moved up and down, regulation electricity Sub- expansion valve valve port orifice size, so as to realize the control to refrigerating capacity.
In the prior art, the general pilot valve using major diameter, pilot valve directly forms screw thread between external screw thread, and main valve body and connects Connect.So, pilot valve needs major diameter Vehicle Processing, and the waste of materials rate of exchange are serious.
A kind of application publication number electricity for the Chinese invention patent application of CN104344050A was disclosed on 2 11st, 2015 Sub- expansion valve, using pressure ring and guide valve core soldering, pressure ring and sleeve Laser Welding, but Laser Welding can influence soldering above again Seam, causes the decline of quality of connection, reliability reduction.
The content of the invention
The technical problems to be solved by the invention are just to provide a kind of air conditioning system for vehicle electric expansion valve, are reducing valve element The external diameter of seat, while reducing waste of material, can further improve the install convenient and connection reliability of pressure ring.
In order to solve the above technical problems, the present invention is adopted the following technical scheme that:A kind of air conditioning system for vehicle electric expansion valve, Including main valve body, the pilot valve components being removably installed on the main valve body and the rotor being installed in the pilot valve components Assembly, the rotor assembly is externally provided with coil assembly, and the pilot valve components include pressure ring and weld and upwardly extend with pressure ring Thin walled cylinder body portion, the valve core case top interference fit of the pressure ring and pilot valve components, and riveting forms pilot valve components entirety, institute The external diameter for stating pressure ring is more than thin walled cylinder body portion external diameter.
Preferably, the valve core case is made up of aluminium or copper material, the pressure ring is made of steel.
Preferably, the valve core case top is provided with up big and down small limited step, the pressure ring and limited step offset Formed spacing.
Preferably, top is not higher than valve core case upper plane after the pressure ring is riveted with valve core case.
Preferably, the cylindrical of the pressure ring is provided with riveting step.
Preferably, the valve core case is provided with external screw thread, the external screw thread and main valve body of the valve core case coordinate to be tightened.
Preferably, being provided with sealing structure between the valve core case and main valve body.
Preferably, the connection sheet connection of the pressure ring and plastic nut.
Preferably, the inner circle of the pressure ring is provided with the positioning step positioned to connection sheet.
Preferably, the cylindrical socket in the upper end of the lower end endoporus of the plastic nut and valve core case coordinates.
The valve core case top endoporus interference fit of the technical solution adopted by the present invention, pressure ring and pilot valve components, and rivet shape Into pilot valve components entirety.Thus it is possible, on the one hand, the external diameter of valve core case can set it is more a little bit smaller so that in reducing process Waste of material.In addition, pressure ring riveting is fixed, and using compared with laser welding, being more convenient to install, and quality of connection and can It is all higher by property.
Brief description of the drawings
The invention will be further described with reference to the accompanying drawings and detailed description:
Fig. 1 is structural representation of the invention;
Fig. 2 is partial structural diagram in Fig. 1.
Reference in figure:1st, main valve body;2nd, rotor assembly;3rd, pilot valve components;4th, intake channel;5th, exit passageway;6、 Center-aisle;7th, valve seat;8th, valve core case;9th, valve port;10th, needle;11st, sealing ring;12nd, pressure ring;13rd, pilot sleeve;14th, valve element Seat top endoporus;15th, rivet;16th, screw rod;17th, valve needle cover;18th, nut assembly;19th, connection sheet;20th, communicating passage.
Specific embodiment
Embodiments of the invention are described in detail below, but the present invention can be defined by the claims and cover Multitude of different ways is implemented.
As shown in figure 1, a kind of air conditioning system for vehicle electric expansion valve, including main valve body 1, rotor assembly 2, pilot valve components 3, Rotor assembly 2 is installed in pilot valve components 3, and rotor assembly is externally provided with coil assembly, intake channel 4 is provided with main valve body 1, is gone out The center-aisle 6 of mouth passage 5 and connection intake channel 4 and exit passageway 5, during pilot valve components 3 are removably mounted on Between in passage 6, rotor assembly 2 includes the needle 10 being engaged with valve port 9.Pilot valve components 3 are fixedly connected after including separately shaping Valve seat 7 and valve core case 8 together, valve core case 8 include the communicating passage 20 connected with intake channel 4, and communicating passage 20 is many It is individual, it is uniformly distributed along the circumference of valve core case 8, so as to increase the circulation area of refrigerant.Valve seat 7 can be integrated with valve core case 8.Point When opening, valve core case 8 can use steel using the aluminium or copper of easy processing, valve seat 7.
In addition, pilot valve components 3 also include pressure ring 12 and the thin walled cylinder body portion welded and upwardly extend with pressure ring 12.Its In, the interference fit of valve core case top endoporus 14 of pressure ring 12 and pilot valve components, and 15 formation pilot valve components entirety are riveted, to ensure Pressure ring will not fall off.Certainly, the top of valve core case 8 can set cylindrical hole, and pressure ring endoporus can match somebody with somebody with the cylindrical interference of the cylindrical hole Close, pressure ring is cylindrical can to rivet fixation.The inner hole sealing of pressure ring, outer circle is fixed.On the one hand, the external diameter of valve core case 8 can set That puts is more a little bit smaller, so that the waste of material in reducing process.Meanwhile, can avoid using laser welding, lifting connection Q&r.
Further, the external diameter of pressure ring 12 is more than thin walled cylinder body portion external diameter.So that pressure ring 12 can bear larger pressure, it is right Valve core case 8 forms larger pressure force, so that connection is more reliable.The cylindrical of pressure ring 12 is provided with riveting step, good to be formed Good riveting effect, top is not higher than valve core case upper plane after pressure ring 12 is riveted with valve core case 8, does not influence the peace of coil so Fill spacing.
In order that pressure ring 12 forms good interference fit with valve core case 8, valve core case 8 is made up of aluminium or copper material, pressure Ring 12 is made of steel, because the hardness of aluminium or copper material is less than steel, therefore is easy to interference fit seal.Aluminium and copper are too Soft, interference fit is not easy proof strength, may deviate under high pressure, so wanting interference fit to add riveting.
In order to lift the q&r that pressure ring 12 is connected with valve core case 8, under valve core case top endoporus 14 is provided with greatly Small limited step, pressure ring 12 and limited step offset to form spacing.
Valve core case 8 is provided with external screw thread, and the external screw thread and main valve body 1 of valve core case coordinate to be tightened.Interference fit differs and surely protect Card sealing, therefore, as shown in Fig. 2 being provided with sealing structure between valve core case 8 and main valve body 1.Specifically, the sealing structure includes Sealing ring 11, upper part of the main valve body stepped hole bottom surface is provided with seal groove, and sealing ring 11 is located in seal groove, the threaded engagement of valve core case 8 After on the main valve body 1, the top bottom surface of valve core case 8 compresses sealing ring 11 and forms sealing.
Air conditioning system for vehicle electric expansion valve also includes nut assembly 18 and thin walled cylinder body portion, nut assembly 18 and thin-wall sleeve Cylinder portion is fixedly connected with valve core case 8, and rotor assembly 2 is rotatably assorted with nut assembly 18, and rotor assembly 2 is relative to nut group Part 18 is rotatably arranged in thin walled cylinder body portion.It is fixedly connected by connection sheet 19 between nut assembly 18 and valve core case 8.It is logical Cross connection sheet 19 can make between nut assembly 18 and valve core case 8 formed be stably connected with so that ensure nut assembly 18 relative to Valve core case 8 will not be rotated so that when rotor assembly 2 is rotated relative to nut assembly 18, can be by between nut assembly 18 The axial movement of rotor assembly 2 is converted into, the adjustment of the aperture area size between needle 10 and valve port 9 is realized.Valve Needle assemblies are slided in valve core case endoporus, and nut inner hole is socketed with valve core case, realizes high-precision guiding.Certainly, needle component Can also be slided in nut inner hole, then nut is socketed with valve core case, realizes high-precision guiding.
Wherein, the connection sheet connection of connection sheet 19 and plastic nut integrated injection molding, pressure ring 12 and plastic nut.Pressure ring 12 are provided with the positioning step positioned to connection sheet 19, and connection sheet is positioned on positioning step and welds or use screw Fastening.
Air conditioning system for vehicle electric expansion valve of the invention, pilot valve components 3 are fixed together after including separately shaping Valve seat 7 and valve core case 8, and valve core case 8 can with separate machined, therefore, it is possible to reduce the shaping difficulty of valve seat 7 and valve core case 8, Reduce processing cost.Valve core case can use steel using the aluminium or copper of easy processing, valve seat
Wherein, the positioning of nut for convenience, the cylindrical socket of the lower end endoporus of plastic nut and the upper end of valve core case coordinates. In the present embodiment, the upper end of valve core case sets pilot sleeve 13.Formed to be oriented between pilot sleeve 13 and nut and coordinated, Ke Yibao The axiality coordinated between card nut assembly 18 and valve port 9, improves guiding accuracy when needle 10 is moved, and prevents needle 10 from moving During there is deviation phenomenon.
Rotor assembly 2 also includes screw rod 16 and valve needle cover 17, and needle 10 is movably arranged in valve needle cover 17, and from valve needle cover 17 one end is stretched out, and screw rod 16 is stretched into valve needle cover 17 from the other end of valve needle cover 17, and with the drive connection of needle 10.Needle 10 Path section cross-sectional area less than or equal to 5 times of the equivalent aera of valve port 9.Preferably, the cross section of the path section of needle 10 Product can reduce flow-disturbing area less than or equal to 3 times of the equivalent aera of valve port 9, not mitigate influence of the flow-disturbing to needle 10 in surprise and bewilder, Improve the stability and reliability when needle 10 works.
Valve seat 7 from bottom to top in valve core case 8, and by laser or argon arc welding fixed by upside-down mounting..
The preferred embodiments of the present invention are these are only, is not intended to limit the invention, for those skilled in the art For member, the present invention can have various modifications and variations.All any modifications within the spirit and principles in the present invention, made, Equivalent, improvement etc., should be included within the scope of the present invention.

Claims (10)

1. a kind of air conditioning system for vehicle electric expansion valve, including main valve body, the pilot valve being removably installed on the main valve body Part and the rotor assembly being installed in the pilot valve components, the rotor assembly are externally provided with coil assembly, the pilot valve portion Part includes pressure ring and the thin walled cylinder body portion welded with pressure ring and upwardly extended, it is characterised in that:The pressure ring and pilot valve components Valve core case top interference fit, and rivet and form pilot valve components entirety, the external diameter of the pressure ring is more than thin walled cylinder body portion external diameter.
2. a kind of air conditioning system for vehicle electric expansion valve according to claim 1, it is characterised in that:The valve core case is by aluminium Material or copper material are made, and the pressure ring is made of steel.
3. a kind of air conditioning system for vehicle electric expansion valve according to claim 1, it is characterised in that:The valve core case top Up big and down small limited step is provided with, the pressure ring and limited step offset to form spacing.
4. a kind of air conditioning system for vehicle electric expansion valve according to claim 1, it is characterised in that:The pressure ring and valve element Top is not higher than valve core case upper plane after seat riveting.
5. a kind of air conditioning system for vehicle electric expansion valve according to claim 4, it is characterised in that:The pressure ring it is cylindrical It is provided with riveting step.
6. a kind of air conditioning system for vehicle electric expansion valve according to claim 1 to 5 any one, it is characterised in that:Institute State valve core case and be provided with external screw thread, the external screw thread and main valve body of the valve core case coordinate to be tightened.
7. a kind of air conditioning system for vehicle electric expansion valve according to claim 6, it is characterised in that:The valve core case and master Sealing structure is provided between valve body.
8. a kind of air conditioning system for vehicle electric expansion valve according to claim 1, it is characterised in that:The pressure ring and plastics The connection sheet connection of nut.
9. a kind of air conditioning system for vehicle electric expansion valve according to claim 8, it is characterised in that:The inner circle of the pressure ring It is provided with the positioning step positioned to connection sheet.
10. a kind of air conditioning system for vehicle electric expansion valve according to claim 8, it is characterised in that:The plastic nut Lower end endoporus and valve core case upper end it is cylindrical socket coordinate.
CN201611148296.7A 2016-12-13 2016-12-13 Electronic expansion valve of vehicle air conditioning system Active CN106678382B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611148296.7A CN106678382B (en) 2016-12-13 2016-12-13 Electronic expansion valve of vehicle air conditioning system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611148296.7A CN106678382B (en) 2016-12-13 2016-12-13 Electronic expansion valve of vehicle air conditioning system

Publications (2)

Publication Number Publication Date
CN106678382A true CN106678382A (en) 2017-05-17
CN106678382B CN106678382B (en) 2022-06-17

Family

ID=58867898

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201611148296.7A Active CN106678382B (en) 2016-12-13 2016-12-13 Electronic expansion valve of vehicle air conditioning system

Country Status (1)

Country Link
CN (1) CN106678382B (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109424763A (en) * 2017-08-21 2019-03-05 浙江盾安机械有限公司 Triple valve
CN109990103A (en) * 2018-01-02 2019-07-09 浙江三花智能控制股份有限公司 A kind of electric expansion valve
WO2022199230A1 (en) * 2021-03-23 2022-09-29 浙江盾安人工环境股份有限公司 Electronic expansion valve
WO2024021964A1 (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 apparatus
WO2024021770A1 (en) * 2022-07-27 2024-02-01 广东威灵电机制造有限公司 Electronic expansion valve and refrigeration device
WO2024021821A1 (en) * 2022-07-27 2024-02-01 广东威灵电机制造有限公司 Electronic expansion valve and refrigeration apparatus

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105041630A (en) * 2015-07-08 2015-11-11 浙江三花汽车零部件有限公司 Electromagnetic control valve for variable displacement compressor
CN106151552A (en) * 2015-04-24 2016-11-23 杭州三花研究院有限公司 Electric expansion valve and refrigerant system thereof

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN200952570Y (en) * 2006-09-18 2007-09-26 浙江中宝自控元件有限公司 Electronic expansion valve
CN101956830B (en) * 2009-07-17 2013-06-12 浙江三花股份有限公司 Electronic expansion valve
CN102734476B (en) * 2011-04-02 2014-09-17 浙江三花股份有限公司 Electronic expansion valve
CN102767636A (en) * 2011-05-04 2012-11-07 浙江三花股份有限公司 Electric valve
CN104807259A (en) * 2014-01-27 2015-07-29 浙江盾安禾田金属有限公司 Electronic expansion valve
CN105202199A (en) * 2014-06-18 2015-12-30 浙江盾安人工环境股份有限公司 Electronic expansion valve
CN105587906A (en) * 2014-10-21 2016-05-18 浙江三花股份有限公司 Electronic expansion valve
CN205715985U (en) * 2016-05-06 2016-11-23 浙江盾安禾田金属有限公司 A kind of electric expansion valve

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106151552A (en) * 2015-04-24 2016-11-23 杭州三花研究院有限公司 Electric expansion valve and refrigerant system thereof
CN105041630A (en) * 2015-07-08 2015-11-11 浙江三花汽车零部件有限公司 Electromagnetic control valve for variable displacement compressor

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109424763A (en) * 2017-08-21 2019-03-05 浙江盾安机械有限公司 Triple valve
CN109990103A (en) * 2018-01-02 2019-07-09 浙江三花智能控制股份有限公司 A kind of electric expansion valve
WO2022199230A1 (en) * 2021-03-23 2022-09-29 浙江盾安人工环境股份有限公司 Electronic expansion valve
WO2024021964A1 (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 apparatus
WO2024021770A1 (en) * 2022-07-27 2024-02-01 广东威灵电机制造有限公司 Electronic expansion valve and refrigeration device
WO2024021821A1 (en) * 2022-07-27 2024-02-01 广东威灵电机制造有限公司 Electronic expansion valve and refrigeration apparatus

Also Published As

Publication number Publication date
CN106678382B (en) 2022-06-17

Similar Documents

Publication Publication Date Title
CN106678382A (en) Electronic expansion valve of automobile air conditioner system
CN107061762A (en) A kind of pilot valve and main valve attachment structure and method
CN101627489B (en) Battery can, and method and device for producing the battery can
US9522440B2 (en) Spot welding apparatus
US20050111911A1 (en) Self-piercing fastening system
CN107642927A (en) Air conditioning system for vehicle electric expansion valve
CN104791502B (en) Electric valve
CN205715985U (en) A kind of electric expansion valve
CN108119699B (en) Pilot valve and main valve body connecting structure and electronic expansion valve of automotive air conditioning system
CN108626414A (en) Air conditioning system for vehicle electric expansion valve
CN206268472U (en) A kind of electric expansion valve
CN106679247A (en) Electronic expansion valve of vehicle air conditioner system
US7731467B2 (en) Bolt element having a shaft part and a spherical head, component assembly and method for the manufacture of a bolt element
CN206996971U (en) Precise glue dispensing valve
CN203413221U (en) Electronic expansion valve
CN107956890A (en) A kind of air conditioning system for vehicle electric expansion valve
CN107289138A (en) Electric expansion valve
CN101153665A (en) Valve device
CN206382492U (en) Pneumatic riveting frock
CN2285848Y (en) Pull riveting nut
CN201891927U (en) Assembly structure of electronic expansion valve nut bed
CN207534301U (en) A kind of isolator drive shaft pin press-fitting tool
CN205342195U (en) Take balance cylinder's integrated soldering turret
CN205977967U (en) White for automobile body bonding bolted construction of full aluminium of electric automobile
CN206046974U (en) Tapered roller bearing ring forges continuous mould

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
GR01 Patent grant
GR01 Patent grant