CN102128295A - Electrically operated valve - Google Patents
Electrically operated valve Download PDFInfo
- Publication number
- CN102128295A CN102128295A CN2010100048318A CN201010004831A CN102128295A CN 102128295 A CN102128295 A CN 102128295A CN 2010100048318 A CN2010100048318 A CN 2010100048318A CN 201010004831 A CN201010004831 A CN 201010004831A CN 102128295 A CN102128295 A CN 102128295A
- Authority
- CN
- China
- Prior art keywords
- valve
- valve seat
- tube
- seat
- mortor operated
- 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
Links
Images
Abstract
The invention relates to an electrically operated valve, and belongs to the technical field of refrigeration control. The electrically operated valve comprises a housing body, a valve core and a valve body component, wherein the valve body component comprises a valve core seat, a valve seat, a first connecting pipe and a second connecting pipe. The electrically operated valve is characterized in that: the valve body component also comprises a connecting pipe seat; the connecting pipe seat is simultaneously provided with an outer circular surface and an end plane which are fixedly welded with the valve seat; meanwhile, the valve core seat is simultaneously provided with an outer circular surface and an end plane which are fixedly welded with the valve seat. Through the structural design, the welding strength of the valve seat and the connecting pipe can be improved, so that excellent welding closeness is realized between the thin-wall cylindrical valve seat and the connecting pipe as well as the valve seat core, the operating process is simplified, and the service life and the working reliability of the valve are improved.
Description
Technical field
Patent of the present invention relates to a kind of mortor operated valve, is the magnetic force that produces by electromagnetic coil, and the realization spool moves relative to valve core case, to reach control flow rate size purpose, is particularly suitable for air-conditioning refrigeration system.
Background technique
Mortor operated valve is a kind of components and parts of Electromagnetic Control, is used in the break-make of control media in the industrial control system or the parameters such as flow of adjustment medium, thereby realizes the control of expection.As in refrigeration system, a kind of as mortor operated valve, electric expansion valve is used to regulate the into refrigerating capacity of vaporizer, supplies with the refrigeration agent of optimal dose to vaporizer, guarantees the stable operation of refrigeration system.The electronic expansion valve arrangement of prior art is as disclosing a kind of electric expansion valve that is adapted to the heavy caliber commercial refrigerating device as described in Figure 8 in Japan Patent (JP2009-162369).This electric expansion valve comprise the cover body 20 of semiclosed tubbiness ', place the coil component 40 as stator component of cover body 20 ' outer ', with the rotor part 30 that places cover body 20 ' inside ', with the spool 50 of rotor part 30 ' be connected ', and with cover body 20 ' airtight valve body parts that is connected 10 ', valve body parts comprise the valve seat 12 of tubular ', valve core case 11 ', first connecting tube 13 ', second connecting tube 14 ', valve seat 12 ' with cover body 20 ' welding form an airtight chamber 60 ', first connecting tube 13 ' with second connecting tube 14 ' with chamber 60 ' airtight communicating.
Owing to be used in the heavy caliber commercial refrigerating device, compare with common electronic expansion valve arrangement, need the volume of chamber relatively large, so valve seat adopts the tube-like thin-wall structure more, and first connecting tube 13 of mortor operated valve ' with valve seat 12 ' directly insertion is welded, about do not have supporting part, strength of connection only depend on first connecting tube 13 ' with valve seat 12 ' the adhesive strength of the very thin border annulus weld seam of material thickness and cooperation place guarantee, the welded seal of this welding line structure is not ideal enough, and adhesive strength is reliable inadequately.Be installed in the system, impact, exist to come off and the hidden danger of leaking, in addition, need use tool locating during welding through vibration and highpressure.The prior art scheme has to improve the material thickness of valve seat for improving adhesive strength.The seat material thickening, the cost of raw material improves on the one hand, requires the equipment tonnage height of punch process on the other hand, and equipment investment is big, cost is high.
Equally, the valve seat core combines with valve seat, the defective that also has weldering knotting strength difference, when second connecting tube is gone into logical high pressure together, first connecting tube feeds low pressure, and valve seat and cover body form that airtight chamber is too high to be, the valve seat core is subjected to downward atmospheric pressure, if solder bond intensity is poor slightly, exist to come off and the hidden danger of leaking.In addition, the welding part of the welding part of valve seat core and valve seat and first connecting tube and valve seat is separated by far away, needs to place two weld-rings, welding procedure complexity.
So, in the especially big capacity business-use refrigrating system of refrigeration system, use in the mortor operated valve structure of thin-walled material as valve seat, how to solve the weld strength problem between connecting tube and the valve seat, simplifying technology and eliminate valve body and leak hidden danger, is the problem that those skilled in the art need solve.
Summary of the invention
The technical assignment of the technical problem to be solved in the present invention and proposition is a kind of mortor operated valve that can be applicable to big capacity business-use refrigrating system of design, make and realize between the valve seat of thin-walled type tubular and connecting tube and the valve core case that good welding is airtight, the technology that simplifies the operation has improved the working life and the functional reliability of valve.
For this reason, the present invention proposes a kind of mortor operated valve, this mortor operated valve comprises cover body, spool and valve body parts, described valve body parts comprises valve core case, valve seat, first connecting tube, second connecting tube, it is characterized in that described valve core case has and affixed periphery and the Transverse plane of described valve seat welding simultaneously;
Further, as the mortor operated valve of above-mentioned structure, described valve seat has and the affixed interior round junction plane of described valve core case welding, and circle junction plane offers jog in it;
Preferably, described jog is specially the groove of depression, and has more than 3 or 3, with the axle center symmetrical distribution of circle junction plane in described;
Further, described valve seat also has and the affixed end of described first connecting tube welding, and described end has annular recess.
Simultaneously, the invention allows for a kind of mortor operated valve, this mortor operated valve comprises cover body, spool and valve body parts, described valve body parts comprises valve core case, valve seat, first connecting tube, second connecting tube, it is characterized in that, described valve body parts also includes stub (tube), and described stub (tube) has and affixed periphery and the Transverse plane of described valve seat welding simultaneously;
Further, as the mortor operated valve of above-mentioned structure, also be provided with jog on the periphery of described stub (tube);
Preferably, the jog on the periphery of described stub (tube) is specially the protruding shin of projection, has more than 3 or 3, and distributes with the periphery axisymmetric of described stub (tube).
Simultaneously, the invention allows for a kind of mortor operated valve, this mortor operated valve comprises cover body, spool and valve body parts, described valve body parts comprises valve core case, valve seat, first connecting tube, second connecting tube, it is characterized in that, described valve body parts also comprises stub (tube), described stub (tube) have simultaneously with the welding of described valve seat affixed periphery and Transverse plane; Described valve core case has and affixed periphery and the Transverse plane of described valve seat welding simultaneously;
Further, as the mortor operated valve of above-mentioned structure, the interior round junction plane that described valve seat has and the welding of described valve core case is affixed, described interior circle junction plane is provided with jog;
Further, described valve seat also has and the affixed end of described first connecting tube welding, and described end has annular recess.
Further, also be provided with jog on the periphery of described stub (tube).
Mortor operated valve of the present invention, the valve seat and first connecting tube are welded on the periphery of valve core case successively, by on the interior round junction plane of valve seat, offering jog, make between valve seat and valve core case and first connecting tube to constitute the space, make welding consumables be easy to enter in this space; On the periphery of stub (tube), be provided with jog, make welding consumables be easy to enter between the stub (tube) and second connecting tube, improve the flowability of welding consumables.Simultaneously offer the loss that annular recess is avoided welding consumables at the interior round junction plane of valve seat.The present invention can realize valve seat and the raising of taking over weld strength by as above structural design, between the valve seat that makes the thin-walled type tubular and connecting tube and the valve core case the good welding of realization airtight, the technology that simplifies the operation has improved the working life and the functional reliability of valve.
Description of drawings
Fig. 1: the structural representation of one of mortor operated valve specific embodiment that the present invention provides;
Fig. 2: the structural representation of the valve body parts of mortor operated valve among Fig. 1;
Fig. 3: the valve seat construction schematic representation of valve body parts among Fig. 1;
Fig. 4: the stub (tube) structural representation of the valve body parts of mortor operated valve among Fig. 1;
Fig. 5; Mortor operated valve is at the sectional view of G-G direction among Fig. 1;
Fig. 6; Mortor operated valve is at the enlarged view of F direction among Fig. 1;
Fig. 7: the stub (tube) structural representation of the another kind of valve body parts of the mortor operated valve that the present invention provides;
Fig. 8: the mortor operated valve typical structure schematic representation of prior art.
Symbol description among the figure:
10/10 '-valve body parts,
111-periphery, 112-step surface;
11/11 '-spool;
12/12 '-valve seat, 121-in the circle junction plane;
122-depressed part, 123-end;
Circle junction plane, the flat portion of 126-side in the 124-conical surface, the 125-
13/13 '-the first connecting tube,
14/14 '-the second connecting tube;
15/15A-stub (tube), 151/151A-periphery;
152/152A-lug boss, 153/153A-stepped part;
20/20 '-cover body,
30/30 '-rotor part;
31-steel ball, 32-screw mandrel;
33 screw threads are paid, 34-spring, 35-magnet rotor;
40/40 '-coil component;
50/50 '-spool;
60-valve pocket, 61-fixing frame;
70-first receiving cavity, 80-second receiving cavity;
90-the 3rd receiving cavity;
Embodiment
The knot schematic representation of one of mortor operated valve specific embodiment that Fig. 1 provides for the present invention; Fig. 2 is the structural representation of valve body parts.
As depicted in figs. 1 and 2.The cover body 20 of the semiclosed tubbiness of this mortor operated valve forms an airtight valve pocket 60 with the valve body parts that is similarly tubbiness 10 airtight welding, the coil component 40 that places cover body 20 outsides is as stator component, fixing frame 61 is weldingly fixed in the valve pocket, and the rotor part 30 that places valve pocket inside is paid 33 by a double thread and is connected with this fixing frame 61.
The magnet rotor 35 and the screw mandrel 32 of rotor part 30 are consolidated, and spool 50 is by spring 34 and steel ball 31 and screw mandrel 32 butts.Valve body parts 10 comprises valve seat 12, valve core case 11, first connecting tube 13, second connecting tube 14 and the stub (tube) 15 of tubular.
Fig. 3 is the valve seat construction schematic representation of above-mentioned valve body parts; Fig. 6 is the enlarged view of valve body parts in the F direction.
As Fig. 3 and shown in Figure 6.Circle junction plane 121 in the end 123 of valve seat 12 has, on junction plane 121, offer three grooves (certainly as depressed part (122), also can be designed to protruding structure), by being set, annular recess 124 end 123 is made the step-like structure of indent; Sidepiece at valve seat 12 has a side plane 126, circle junction plane 125 in this side plane 126 is provided with.
In this embodiment, the depressed part 122 of valve seat 12 is specially three grooves that are symmetrically distributed with central shaft, can certainly be designed to protruding structure and be arranged to other shapes, as a plurality of symmetrical structures, can reach above-mentioned effect, does not repeat them here.
Fig. 4 is the stub (tube) structural representation of valve body parts; Fig. 5 is electronic sectional view in the G-G direction.
As shown in Figure 4 and Figure 5.The periphery 151 of stub (tube) 15 is provided with three protruding shins as lug boss 152 with the axle center symmetry, and lug boss 152 outer circular edge of stub (tube) 15 are slightly larger than the internal orifice dimension size of second connecting tube 14 to the distance in axle center; The diameter of axle size of the periphery 151 of stub (tube) 15 is slightly less than the internal orifice dimension size of second connecting tube 14 and suitable with the interior round junction plane 125 of valve seat 12.Like this, when assembling, the flat portion of the side of the step surface 153 butt valve seats 12 of stub (tube) 15 125, the second connecting tubes 14 are by applying certain pressure, the outside that makes lug boss 152 distortion and be fixed on stub (tube) 15 realizes preposition need not extra fixing tool like this in welding process.Because the effect of lug boss 152 has been formed the 3rd receiving cavity 90, in welding process between stub (tube) 15 and the valve seat 12 and second connecting tube 14, scolder flows into the 3rd above-mentioned receiving cavity 90, three parts are airtight fixing, improved welding reliability, also simplified technology.
In this embodiment, the lug boss 152 of stub (tube) 15 is specially three protruding shins that are symmetrically distributed with central shaft, the structure that can certainly be designed to cave in, with be arranged to other shapes, the structural representation protrusions 152A of portion as the stub (tube) 15A that provides among Fig. 7 is a plurality of salient points, can certainly be arranged to other structures, can reach above-mentioned effect, not repeat them here.
Should be noted that such scheme only is directed to mortor operated valve as throttle valve, a specific embodiment of regulated fluid size usefulness can certainly be used to control fluid switch with mortor operated valve as electromagnetic switch valve by the solution of the present invention, no longer illustrates at this.
Below only be for setting forth technological scheme of the present invention; the explanation of cited preferred implementation; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (11)
1. mortor operated valve, comprise cover body (20), spool (50) and valve body parts (10), described valve body parts (10) comprises valve core case (11), valve seat (12), first connecting tube (13), second connecting tube (14), it is characterized in that described valve core case (11) has and affixed periphery (111) and the Transverse plane (112) of described valve seat (12) welding simultaneously.
2. mortor operated valve as claimed in claim 1 is characterized in that, the interior round junction plane (121) that described valve seat (12) has and described valve core case (11) welding is affixed, and described interior circle junction plane (121) offers jog.
3. mortor operated valve as claimed in claim 2 is characterized in that described jog is specially the groove of depression, and has more than 3 or 3, with the axle center symmetrical distribution of circle junction plane in described.
4. as the described arbitrary mortor operated valve of claim 1-3, it is characterized in that described valve seat (12) also has and the affixed end (123) of described first connecting tube (13) welding, described end (123) have annular recess (124).
5. mortor operated valve, comprise cover body (20), spool (50) and valve body parts (10), described valve body parts (10) comprises valve core case (11), valve seat (12), first connecting tube (13), second connecting tube (14), it is characterized in that, described valve body parts (10) also includes stub (tube) (15), and described stub (tube) has and affixed periphery (151) and the Transverse plane (153) of described valve seat (12) welding simultaneously.
6. mortor operated valve as claimed in claim 5 is characterized in that, also is provided with jog on the periphery (151) of described stub (tube) (15).
7. mortor operated valve as claimed in claim 6 is characterized in that, the jog on the periphery (151) of described stub (tube) (15) is specially protruding shin, has more than 3 or 3, and distributes with periphery (151) axisymmetric of described stub (tube) (15).
8. mortor operated valve, comprise cover body (20), spool (50) and valve body parts (10), described valve body parts (10) comprises valve core case (11), valve seat (12), first connecting tube (13), second connecting tube (14), it is characterized in that, described valve body parts (10) also comprises stub (tube) (15), and described stub (tube) has and affixed periphery (151) and the Transverse plane (153) of described valve seat (12) welding simultaneously; Described valve core case (11) has and affixed periphery (111) and the Transverse plane (112) of described valve seat (12) welding simultaneously.
9. mortor operated valve as claimed in claim 8 is characterized in that, the interior round junction plane (121) that described valve seat (12) has and described valve core case (11) welding is affixed, and described interior circle junction plane (121) is provided with jog.
10. mortor operated valve as claimed in claim 9 is characterized in that, described valve seat (12) also has and the affixed end (123) of described first connecting tube (13) welding, and described end (123) have annular recess (124).
11. as the described arbitrary mortor operated valve of claim 8-10, it is characterized in that, also be provided with jog on the periphery (151) of described stub (tube) (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010004831.8A CN102128295B (en) | 2010-01-13 | 2010-01-13 | Electrically operated valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010004831.8A CN102128295B (en) | 2010-01-13 | 2010-01-13 | Electrically operated valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102128295A true CN102128295A (en) | 2011-07-20 |
| CN102128295B CN102128295B (en) | 2014-02-19 |
Family
ID=44266501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010004831.8A Active CN102128295B (en) | 2010-01-13 | 2010-01-13 | Electrically operated valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102128295B (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102235531A (en) * | 2010-04-28 | 2011-11-09 | 浙江三花股份有限公司 | Electric valve and valve seat thereof |
| CN102840370A (en) * | 2012-03-06 | 2012-12-26 | 浙江三花股份有限公司 | Method for manufacturing electronic expansion valve |
| CN103867770A (en) * | 2012-12-11 | 2014-06-18 | 浙江盾安禾田金属有限公司 | Electrically operated valve |
| CN103912708A (en) * | 2013-01-08 | 2014-07-09 | 浙江三花股份有限公司 | Pilot-operated electromagnetic valve and assembling method thereof |
| CN108506548A (en) * | 2017-02-24 | 2018-09-07 | 浙江盾安机械有限公司 | Electric expansion valve |
| CN108506545A (en) * | 2017-02-24 | 2018-09-07 | 浙江盾安机械有限公司 | Electric expansion valve |
| CN111102367A (en) * | 2018-10-27 | 2020-05-05 | 浙江三花智能控制股份有限公司 | Electronic expansion valve |
| CN111664255A (en) * | 2019-03-08 | 2020-09-15 | 株式会社不二工机 | Flow rate regulating valve and method of assembling the same |
| CN114576413A (en) * | 2020-12-02 | 2022-06-03 | 株式会社鹭宫制作所 | Valve device |
| CN114628191A (en) * | 2020-12-14 | 2022-06-14 | 平高集团有限公司 | Shell structure and circuit breaker |
| CN114688265A (en) * | 2019-03-05 | 2022-07-01 | 株式会社鹭宫制作所 | Electric valve and refrigeration cycle system |
| WO2022179601A1 (en) * | 2021-02-26 | 2022-09-01 | 浙江三花汽车零部件有限公司 | Welding method, welding fixture and electric valve |
| WO2023231886A1 (en) * | 2022-06-01 | 2023-12-07 | 浙江盾安人工环境股份有限公司 | Stop valve and air conditioning system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4175590A (en) * | 1976-07-20 | 1979-11-27 | International Cold Forging Corporation | Electric valves |
| CN1749606A (en) * | 2004-09-17 | 2006-03-22 | 株式会社不二工机 | Electric valve |
| CN1869482A (en) * | 2005-05-27 | 2006-11-29 | 株式会社不二工机 | Motor-operated valve |
| CN1987167A (en) * | 2005-12-23 | 2007-06-27 | 株式会社不二工机 | Electric valve |
| CN201310628Y (en) * | 2008-09-10 | 2009-09-16 | 浙江三花股份有限公司 | Electromagnetic valve structure |
| CN101956830A (en) * | 2009-07-17 | 2011-01-26 | 浙江三花股份有限公司 | Electronic expansion valve |
| JP4676179B2 (en) * | 2004-09-01 | 2011-04-27 | 株式会社不二工機 | Motorized valve |
-
2010
- 2010-01-13 CN CN201010004831.8A patent/CN102128295B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4175590A (en) * | 1976-07-20 | 1979-11-27 | International Cold Forging Corporation | Electric valves |
| JP4676179B2 (en) * | 2004-09-01 | 2011-04-27 | 株式会社不二工機 | Motorized valve |
| CN1749606A (en) * | 2004-09-17 | 2006-03-22 | 株式会社不二工机 | Electric valve |
| CN1869482A (en) * | 2005-05-27 | 2006-11-29 | 株式会社不二工机 | Motor-operated valve |
| CN1987167A (en) * | 2005-12-23 | 2007-06-27 | 株式会社不二工机 | Electric valve |
| CN201310628Y (en) * | 2008-09-10 | 2009-09-16 | 浙江三花股份有限公司 | Electromagnetic valve structure |
| CN101956830A (en) * | 2009-07-17 | 2011-01-26 | 浙江三花股份有限公司 | Electronic expansion valve |
Non-Patent Citations (1)
| Title |
|---|
| 赵越 等: "《钎焊技术及应用》", 29 April 2004 * |
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102235531A (en) * | 2010-04-28 | 2011-11-09 | 浙江三花股份有限公司 | Electric valve and valve seat thereof |
| CN102840370A (en) * | 2012-03-06 | 2012-12-26 | 浙江三花股份有限公司 | Method for manufacturing electronic expansion valve |
| CN103867770A (en) * | 2012-12-11 | 2014-06-18 | 浙江盾安禾田金属有限公司 | Electrically operated valve |
| CN103867770B (en) * | 2012-12-11 | 2017-08-11 | 浙江盾安禾田金属有限公司 | A kind of motor-driven valve |
| CN103912708A (en) * | 2013-01-08 | 2014-07-09 | 浙江三花股份有限公司 | Pilot-operated electromagnetic valve and assembling method thereof |
| CN108506545B (en) * | 2017-02-24 | 2022-03-08 | 浙江盾安机械有限公司 | Electronic expansion valve |
| CN108506548A (en) * | 2017-02-24 | 2018-09-07 | 浙江盾安机械有限公司 | Electric expansion valve |
| CN108506545A (en) * | 2017-02-24 | 2018-09-07 | 浙江盾安机械有限公司 | Electric expansion valve |
| CN108506548B (en) * | 2017-02-24 | 2022-03-08 | 浙江盾安机械有限公司 | Electronic expansion valve |
| CN111102367A (en) * | 2018-10-27 | 2020-05-05 | 浙江三花智能控制股份有限公司 | Electronic expansion valve |
| CN114688267A (en) * | 2019-03-05 | 2022-07-01 | 株式会社鹭宫制作所 | Electric valve and refrigeration cycle system |
| CN114688265A (en) * | 2019-03-05 | 2022-07-01 | 株式会社鹭宫制作所 | Electric valve and refrigeration cycle system |
| CN114688266A (en) * | 2019-03-05 | 2022-07-01 | 株式会社鹭宫制作所 | Electric valve and refrigeration cycle system |
| CN114688268A (en) * | 2019-03-05 | 2022-07-01 | 株式会社鹭宫制作所 | Electric valve and refrigeration cycle system |
| CN111664255A (en) * | 2019-03-08 | 2020-09-15 | 株式会社不二工机 | Flow rate regulating valve and method of assembling the same |
| CN111664255B (en) * | 2019-03-08 | 2023-12-15 | 株式会社不二工机 | Flow rate regulating valve and assembling method thereof |
| CN114576413A (en) * | 2020-12-02 | 2022-06-03 | 株式会社鹭宫制作所 | Valve device |
| CN114576413B (en) * | 2020-12-02 | 2023-07-18 | 株式会社鹭宫制作所 | Valve device |
| CN114628191A (en) * | 2020-12-14 | 2022-06-14 | 平高集团有限公司 | Shell structure and circuit breaker |
| WO2022179601A1 (en) * | 2021-02-26 | 2022-09-01 | 浙江三花汽车零部件有限公司 | Welding method, welding fixture and electric valve |
| WO2023231886A1 (en) * | 2022-06-01 | 2023-12-07 | 浙江盾安人工环境股份有限公司 | Stop valve and air conditioning system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102128295B (en) | 2014-02-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102128295B (en) | Electrically operated valve | |
| US6990840B2 (en) | Conjoining apparatus using electromagnetic forming | |
| WO2016039042A1 (en) | Compressor and method for manufacturing compressor | |
| CN100422614C (en) | Electromagnetism coil in use for electromagnetism valve | |
| CN108692081A (en) | Electric expansion valve | |
| EP3186508B1 (en) | Linear compressor | |
| CN108700217B (en) | Motor-driven valve | |
| CN110410554A (en) | Solenoid valve and its manufacturing method | |
| JP2019105249A (en) | Canister | |
| CN102052497B (en) | Manufacturing method of switching valve end cover, switching valve end cover and switching valve | |
| CN101286551B (en) | Standard lid group used for batteries and capacitors | |
| US20140318655A1 (en) | Hydraulic accumulator | |
| CN107150184B (en) | A kind of assembly method of gas point, oil end cap | |
| CN110529613A (en) | Solenoid valve and refrigerating circulation system | |
| EP3186507B1 (en) | Linear compressor | |
| CN209972103U (en) | Disconnect-type vehicle air conditioner pipeline | |
| CN206582098U (en) | A kind of exhaust pipe structure of energy-conservation | |
| JP2012036754A (en) | Pressure vessel supporting structure and method for compressor | |
| CN101806366B (en) | Electromagnetic valve | |
| CN104567137A (en) | Electronic expansion valve and assembling method thereof | |
| CN105312813A (en) | Automobile shock absorber tube welding device | |
| CN206409349U (en) | A kind of device for correcting the skew of linear osccilation compressor free-piston | |
| CN103256417A (en) | Four-way reversing valve and refrigerating system | |
| CN105987205B (en) | Bistable electromagnetic valve and refrigeration system | |
| CN201100424Y (en) | Electromagnetic pilot valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 312500 Zhejiang city of Shaoxing province Xinchang County Mei Zhu Zhen three flower Mei Zhu Industrial Park Administration Building Patentee after: Zhejiang three flower intelligent control Limited by Share Ltd Address before: 312500 Liquan village of Zhejiang County in Xinchang Province town under Patentee before: Zhejiang Sanhua Group Co., Ltd. |