CN102052504B - Electromagnetic valve and manufacturing method thereof - Google Patents
Electromagnetic valve and manufacturing method thereof Download PDFInfo
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- CN102052504B CN102052504B CN200910221018.3A CN200910221018A CN102052504B CN 102052504 B CN102052504 B CN 102052504B CN 200910221018 A CN200910221018 A CN 200910221018A CN 102052504 B CN102052504 B CN 102052504B
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Abstract
The invention discloses an electromagnetic valve which comprises a valve body, an electromagnetic coil, a shell, wherein the shell consists of a lower shell and an upper shell; the lower shell is provided with a deficit part; the upper shell comprises an upper shell base and an upper shell cover; the upper shell base and the upper shell cover are connected through a movable connecting part; and the upper shell base is provided with a slaty part corresponding to the deficit part of the lower shell, thus the machining precision of a component of the electromagnetic valve can be reduced, and the electromagnetic valve can be assembled conveniently; and simultaneously the invention also provides a manufacturing method of the electromagnetic valve.
Description
Technical field
The present invention relates to a kind of solenoid valve, the solenoid valve with housing that particularly a kind of refrigeration system is used, as the bistable electromagnetic valve of a kind of refrigerator, refrigeration use.
Background technique
The solenoid valve using in some refrigeration systems, occur owing to having condensed water in using, therefore solenoid valve is had to higher water-fast requirement, and the solenoid valve that is piece insertion type structure to some coil components generally all required enclosing cover, install and ensure that coil component is not subject to the impact of condensed water being advantageously used in.
Lower mask body describes as an example of a kind of bistable electromagnetic valve of two-position three way example.As claimant discloses in 2005.07.29 application and on 09 06th, 2006, application number is CN200520013648.9, denomination of invention is a kind of solenoid valve " solenoid valve of being convenient to installation " discloses.This solenoid valve is applicable to use in the system such as refrigerator, refrigerator refrigeration system, and solenoid valve has a valve body, an electromagnetic coil and a housing, and described valve body is provided with connecting tube, has hole on housing, and described housing is engaged with upper cover by lower shell body and forms; Thereby this solenoid valve adopts valve body rotary structure can not sprain or adapter and valve body place weld seam slight crack cause that refrigerator is outside leaks or stay outside leakage hidden danger because switching connecting tube by force produces to take over.This solenoid valve is that first valve body parts is assembled, together with the valve body assembling, coil component, packed in the lower shell body of housing with coil component in the time of assembling.
And for example application number is CN01813650.8, the patent of invention that name is called bistable electromagnetic valve discloses another kind of refrigerator bistable electromagnetic valve on 09 24th, 2003, this solenoid valve has a valve body and an electromagnetic coil, this valve body has an entrance, two outlets and one can be in valve body two be equivalent to respectively the valve rod that moves between the end position of the different switching position of solenoid valve and at least one and be used for the permanent magnet in the end position at corresponding place valve rod sticking, electromagnetic coil is used for a magnetic force to valve rod, make it to move on to corresponding another end position, in the mounting type of this solenoid valve, valve body and electromagnetic coil are contained in respectively in two cells of a shell made from nonmagnetic substance, permanent magnet is fixed in a socket, and this socket is on a wall of the shell of a central position between two end positions of valve rod.Like this, the place one's entire reliance upon precision of housing of the location of valve body, coil, permanent magnet, two cells of housing, to coordinate and will have good conformity with the size of valve body, electromagnetic coil, permanent magnet is fine for the precision of the socket of fixed permanent magnet, because housing generally all processes by molding and forming, all higher to two of housing cells, required precision for the precision of the socket of fixed permanent magnet and relatively like this, otherwise can have influence on the electromagnetic performance of solenoid valve.
Summary of the invention
The solenoid valve that the present invention proposes, installs very conveniently equally, and the processing of housing is not had to extra high precision, coherence request, can reduce manufacture difficulty, easy for installation, simple, can meet equally the properties requirement of solenoid valve.The present invention is by the following technical solutions for this reason:
A kind of solenoid valve, there is valve body, electromagnetic coil, housing, described housing is made up of lower shell body and upper shell, described lower shell body is provided with the fixed plate with mounting hole of the fixing use of solenoid valve in its back one side, on the sidewall of its both sides, be respectively arranged with for fixing buckle or the grab of upper shell, it is characterized in that: in the wall portion of described lower shell body side before it, be provided with the lack part being roughly square; Described upper shell includes upper shell seat and upper shell lid, described upper shell seat and upper shell lid are connected by a movable joint, described upper shell seat is provided with buckle or the supporting fixing grab of grab or the buckle with described lower shell body, and thereunder the position corresponding with the lack part of described lower shell body is provided with the plate-like portion matching with the lack part of described lower shell body, described upper shell seat and upper shell lid are respectively arranged with buckle, grab or grab, buckle that both are fixed simultaneously.
Preferably, the wall portion of described lower shell body is provided with protuberance on the wall of the top of upper shell seat, correspondingly, is provided with recess at the wall of the bottom towards described lower shell body of upper shell seat, and described protuberance matches with described recess.
Preferably, the position of the lack part of described lower shell body is also provided with protuberance, and the protuberance arranging on the top wall of the protuberance of described lack part and described lower shell body is joined together to form continuous protuberance; Correspondingly, be also provided with correspondingly recess at the plate-like portion position of described upper shell seat.
1, solenoid valve as claimed in claim 2, is characterized in that: described protuberance is nonocclusive.
Preferably, be provided with for by the positioning part of taking over and make it location in the side towards described lower shell body of the described plate-like portion of described upper shell seat.
Preferably, described positioning part is also provided with cover cap.
Meanwhile, the present invention also provides a kind of method of manufacturing above-mentioned solenoid valve, comprises step:
A manufacture method for solenoid valve, described solenoid valve has valve body, electromagnetic coil, housing, and described housing is made up of lower shell body and upper shell, in the wall portion of described lower shell body side before it, is provided with the lack part being slightly square; Described upper shell includes upper shell seat and upper shell lid, described upper shell seat and upper shell lid are connected by a movable joint, described upper shell seat is provided with the plate-like portion matching with the lack part of described lower shell body at the position corresponding with the lack part of described lower shell body, include following steps in described manufacture method:
A) described valve body, electromagnetic coil processing have been assembled, and by described upper shell, lower shell body molding and forming;
B) pack described electromagnetic coil into described lower shell body, the one end that plug-in unit is wherein housed that makes electromagnetic coil when assembling is the direction setting with the lack part away from described lower shell body near the back of described lower shell body;
C) described valve body is packed into from the axial direction from described electromagnetic coil, the side from the lack part of described lower shell body when assembling packs into;
D) lack part of the plate-like portion of described upper shell being aimed to described lower shell body presses downward to; Electromagnetic coil, valve body are located completely.
Preferably, the position of the lack part of described lower shell body is provided with protuberance, correspondingly, plate-like portion position at described upper shell seat is also provided with correspondingly recess, in the time of above-mentioned d) step, when assembling, the protuberance that the recess that the plate-like portion position of described upper shell seat is arranged is aimed at the position setting of the lack part of described lower shell body is pressed into.
Alternatively, complete d) after step, then the lead-in wire bundle being connected with described electromagnetic coil and the plug-in unit of described electromagnetic coil are being connected to a fixed, then, more described upper shell lid is being pressed into described upper shell seat.
Brief description of the drawings
Fig. 1 is the three-dimensional structural representation of a kind of embodiment's of the present invention profile;
Fig. 2 is the form structure schematic diagram of the valve body of the solenoid valve shown in Fig. 1;
Fig. 3 is the form structure schematic diagram of the electromagnetic coil of the solenoid valve shown in Fig. 1; Wherein left side Fig. 3's (1) is plan view, and the right Fig. 3's (2) is left view;
Fig. 4 is the three-dimensional schematic diagram of the structure of the lower shell body of the solenoid valve shown in Fig. 1, the B that wherein Fig. 4 (1) is lower shell body shown in Fig. 4 to the structural representation partly cuing open, Fig. 4 (2) is the A-A topography enlarged diagram of lower shell body shown in Fig. 4;
Fig. 5 is the three-dimensional schematic diagram of the structure of the upper shell of the solenoid valve shown in Fig. 1, wherein Fig. 5 (1) is the upper shell lid of upper shell of the solenoid valve shown in Fig. 5 and the upper shell seat schematic diagram while launching, and Fig. 5 (2) is the rear view of the upper shell shown in Fig. 5 (1); Fig. 5 (3) is the worm's eye view of the upper shell shown in Fig. 5 (1); Fig. 5 (4) is that the B of the upper shell shown in Fig. 5 (3) is to partial schematic diagram; Fig. 5 (5) is the local amplification view of the B-B of the upper shell shown in Fig. 5 (1).
Embodiment
Below in conjunction with accompanying drawing, one of them embodiment of solenoid valve of the present invention is described in detail.Because the present invention relates generally to installation, the assembling mode between valve body, electromagnetic coil and shell, and valve body structure, electromagnetic coil structure and the applicant in 2005.07.29 application and on 09 06th, 2006 open, application number be CN200520013648.9, denomination of invention for the structure in the solenoid valve of " be convenient to install solenoid valve " identical, therefore repeat no more here, and just introduce difference from prior art.
The orientation words such as upper and lower, forward and backward, the end described in claims of the present invention, specification, the back of the body, top are just used for convenience of description, and are not limitation of the present invention.
As shown in the figure, the bistable electromagnetic valve that the solenoid valve of the present embodiment is a kind of two-position three way, has a valve body 1, electromagnetic coil 2 and housing.Valve body 1 has an entrance sleeve 11, the first discharge connection 12, the second discharge connection 13, and valve body middle part is provided with permanent magnet.On electromagnetic coil 2, there is the plug-in unit 21,24 for being connected energising with external power cord and communicating with winding.Housing is combined by lower shell body 3 and 4 liang of parts of upper shell.
Lower shell body 3 as shown in Figure 4, the B that wherein Fig. 4 (1) is lower shell body shown in Fig. 4 to the structural representation partly cuing open, Fig. 4 (2) is the A-A topography enlarged diagram of lower shell body shown in Fig. 4.
Lower shell body 3 has one for placing the inner chamber 31 of electromagnetic coil 2, lower shell body 3 has the fixed plate 33 with fixed hole for fixing use is installed in its back one side, on the wall of back one side, be also useful on the through hole 32 by taking over, on the sidewall of its both sides, be provided with a pair of buckle 34 for fixing with upper shell 4, on its antetheca, have a lack part 37, the object that lack part 37 arranges is the electromagnetic coil 2 that can make valve body 1 pack lower shell body 3 into from these 37 positions, lack part along axial direction in the time that solenoid valve is assembled and be arranged in the inner chamber of lower shell body 3; A upwards side at the wall of lower shell body 3 is provided with the continuous outstanding protuberance 351 in ratio both sides near upper shell one side, set out too the protuberance 352,353 more outstanding than both sides at 37 places, close lack part of antetheca, and be connected to form continuous protuberance 35 with protuberance 351; In the present embodiment, protuberance 35 does not seal, its intermediate portion place at antetheca is cut off by intermediate portion 36, can certainly be designed to closed pattern.The height of intermediate portion 36 can exceed the projecting height of the protuberance 352,353 of its both sides, and can be arranged to match with the shape of discharge connection.Protuberance 351 exceeds respectively the bottom surface 354,355 on its both sides, its outstanding height H 1 generally, between 0.5-3mm, if its outstanding height is too high, can increase difficulty of processing, projecting height, lower than 0.5mm, does not reach the fine effect of fixing or sealing between upper shell.More suitable, protuberance 351 exceeds respectively the height H 1 of bottom surface 354,355 on its both sides between 0.8-2mm.
The buckle 34 of the both sides of lower shell body 3 is roughly and is symmetrical arranged in the present embodiment, and buckle 34 has a guide portion 341, fixing part 343; For ensureing the strength of buckle 34, be also provided with a straight section portion 342.The shape of the bottom of lower shell body is arranged to adapt with the shape of electromagnetic coil 2.
As shown in Figure 5, wherein Fig. 5 (1) is the upper shell lid of upper shell of the solenoid valve shown in Fig. 5 and the upper shell seat schematic diagram while launching to upper shell 4, and Fig. 5 (2) is the rear view of the upper shell shown in Fig. 5 (1); Fig. 5 (3) is the worm's eye view of the upper shell shown in Fig. 5 (1); Fig. 5 (4) is that the B of the upper shell shown in Fig. 5 (3) is to partial schematic diagram; Fig. 5 (5) is the local amplification view of the B-B of the upper shell shown in Fig. 5 (1).
Upper shell seat is designed to match with lower shell body 3, and upper shell lid matches with upper shell seat.Between upper shell lid and upper shell seat, be connected by movable joint 43 between the two, the thickness of joint 43 is relatively thin, and has good toughness, can repeatedly bend front and back; Wherein in the present embodiment, joint 43 one in the time of upper shell 4 molding and forming shapes, and certainly, joint 43 also can be by forming as one with upper shell as inserts when the injection moulding.
Upper shell seat is provided with the locating column 41 that makes electromagnetic coil location when assembling, locating column 41 is positioned at the inner side of upper shell seat, be provided with altogether in the present embodiment 4 locating columns, and be roughly symmetrical set, locating column 41 is elongated shape structure, and its head is provided with guiding position, can slightly be out of shape like this in the time of assembling, and can make while making to assemble electromagnetic coil 2 well fixing with coordinate, the while can also be reduced the machining accuracy of parts.
The both sides of upper shell seat are provided with the grab 44 being originally fixed with the buckle of lower shell body 3, grab 44 is provided with guide portion 442 and has engaged the fixing fixing part in rear location 443, the angle [alpha] that guide portion 442 and vertical axis form is between 15-45 °, if angle [alpha] is greater than 45 °, do not have a good leading role, if and angle [alpha] is less than 15 °, the width that can make fixing part 443 is too little and reduce the intensity of its fixing use; More suitable, the angle [alpha] of guide portion 442 and vertical axis is between 20-35 °.
The front end position of upper shell seat is provided with for fixing a pair of buckle 46 of engaging with upper shell lid and drawing and the Lower Half 421 of fixing wire harness leading-out part 42 for the lead-in wire bundle that makes to be connected with electromagnetic coil, be provided with the recess 451 matching with the protuberance 351 arranging of lower shell body 3 on the wall of the top of described upper shell in the one side towards lower shell body 3 of upper shell seat, the degree of depth of recess 451 is slightly larger than the height H 1 of the protuberance 351 arranging on the wall of the top of described upper shell of lower shell body 3, between general large 0.05-0.15.In the time that lower shell body 3 and upper shell seat are fixed togather, lower shell body 3 is relatively little with the gap that upper shell seat coordinates, as about 0.10mm, can make like this relative positioning between each parts of solenoid valve be fixed well, and can make solenoid valve better tolerate that water drenches or the impact of wet environment.Also be provided with the plate-like portion 40 matching with the lack part 37 of described lower shell body 3 at the front end position of upper shell seat, form thereby the both sides of plate-like portion 40 are provided with the recess 452,453 being connected with the recess 451 of lower shell body seat the recess 45 coordinating with the protuberance 35 of lower shell body 3; The positioning part 401 that is also provided with the adapter of positioning valve on plate-like portion 40, is provided with cover cap 402 at the periphery of positioning part 401, has better mechanical property to protect to take over and make to take in the time connecting or be shaped bending.The plate-like portion 40 at upper shell mansion makes the last assembling of this solenoid valve can conveniently not need high precision with the matching design of the lack part 37 of lower shell body 3.
A side towards upper shell lid of upper shell seat is also provided with protuberance 48, correspondingly, is provided with the recess 49 coordinating with the protuberance 48 of upper shell seat in the respective side towards upper shell seat of upper shell lid; Protuberance 48 is all general square shape in the present embodiment with recess 49, and is nonocclusive.The depth H 4 of the recess 45 of upper shell seat is slightly larger than on lower shell body 3 height of the protuberance 35 arranging, same, and the height H 3 of the protuberance 48 arranging on upper shell seat is slightly less than upper shell and covers the degree of depth of the recess 49 of setting.Upper shell covers the first half 422 that is provided with wire harness leading-out part 42, forms complete wire harness leading-out part 42 with the Lower Half 421 of upper shell seat.
In the present embodiment, the assembling of solenoid valve comprises the following steps:
A) component processing: described valve body 1, electromagnetic coil 2 are processed and assembled, and by described upper shell 4, lower shell body 3 molding and forming;
B) dress electromagnetic coil 2: pack from the top down described electromagnetic coil 2 into described lower shell body 3, when assembling, make one end 23 that plug-in unit 21,24 is wherein housed of electromagnetic coil 2 near a contrary side direction setting of the lack part 37 of the close described lower shell body 3 in back of described lower shell body 3, one end, bottom of electromagnetic coil 2 is arranged near the lack part 37 of lower shell body 3;
C) assembling valve body 1: valve body 1 is packed into from lack part 37 sides of lower shell body 3 along the axial direction of electromagnetic coil the parts that lower shell body 3 and electromagnetic coil 2 form, the entrance sleeve 11 that makes valve body 1 passes by the through hole 32 at the through hole of electromagnetic coil the back by lower shell body 3, make valve body parts 1 opposite side 2 take over and 12,13 arrange in the mode be arrangeding in parallel up and down, and make relatively large one of external diameter in these 2 adapters take over 13 to be positioned at below and to make relatively little one of external diameter take over 12 and be positioned at top;
D) load onto casing base: the lack part 37 of the plate-like portion of described upper shell 40 being aimed to described lower shell body 3 presses downward to, make the recess 452,453 of the plate-like portion 40 of upper shell aim at respectively the protuberance 352,353 arranging on the lack part 37 of lower shell body 3, at this moment recess 452,453 and protuberance 352,353 have also played a leading role; Finally make the recess 451 towards lower shell body 3 of upper shell seat coordinate towards the protuberance 351 of upper shell seat with on lower shell body 3, and a pair of grab 44 on upper shell seat is fastened with a pair of buckle 34 of lower shell body 3, make the locating column 41 of upper shell seat contact with electromagnetic coil 2 to make simultaneously electromagnetic coil axially, stationary positioned well radially, the positioning part of upper shell seat makes the adapter good location of valve body, thereby makes to locate completely between electromagnetic coil, valve body and lower shell body, upper shell.
E) wiring bundle: the plug-in unit 21,24 of the lead-in wire bundle being connected with described electromagnetic coil 2 and described electromagnetic coil is connected to a fixed, and from the wire harness leading-out part 42 of upper shell 4, wire harness is drawn, and make upper shell lid upwards casing base direction move, the recess 49 of upper shell lid and the protuberance 48 of upper shell seat are matched make the grab 47 of upper shell lid to snap in the buckle 46 of upper shell seat simultaneously and fasten and fix.This step can be completed by factory, but the installation of wire harness sometimes draws that to connect be to complete while being assembled by refrigeration system main frame, and this step is just completed when the general assembly by refrigeration system main engine factory.
Can find out from assembling process above, the present invention is by arranging a lack part at lower shell body 3, simultaneously by a plate-like portion that the lack part arranging with lower shell body 3 is corresponding is set in upper shell 4, thereby can reduce the accuracy of manufacturing of parts and assemble very easily with entering to realize this solenoid valve.The shape of lack part can be general square shape or square and roughly trapezoidal combination, to coordinate the shape of the adapter of drawing use of valve body.
In the above embodiments, the buckle, the grab that between the upper shell seat of lower shell body 3, upper shell 4, coordinate can exchange, and same, the buckle, the grab that between the upper shell seat of upper shell 4 and upper shell lid, coordinate also can exchange; Comprise the recess and the protuberance that between the upper shell seat of lower shell body 3, upper shell 4, coordinate, the recess coordinating between the upper shell seat of upper shell 4 and upper shell lid and protuberance etc., these will be readily apparent to persons skilled in the art.In addition, although embodiments of the invention are bistable electromagnetic valves of a kind of two-position three way, be equally applicable in other solenoid valve of similar structure or similar Placement.
Although the present invention with preferred embodiment openly as above; but it is not for limiting the present invention; any those skilled in the art without departing from the spirit and scope of the present invention, can make possible variation and amendment, and these all should include protection scope of the present invention in.
Claims (3)
1. a manufacture method for solenoid valve, described solenoid valve has valve body, electromagnetic coil, housing, and described housing is made up of lower shell body and upper shell, in the wall portion of described lower shell body side before it, is provided with the lack part being slightly square; Described upper shell includes upper shell seat and upper shell lid, described upper shell seat and upper shell lid are connected by a movable joint, described upper shell seat is provided with the plate-like portion matching with the lack part of described lower shell body at the position corresponding with the lack part of described lower shell body, described manufacture method at least comprises the following steps:
A) described valve body, electromagnetic coil processing have been assembled, and by described upper shell, lower shell body molding and forming;
B) pack described electromagnetic coil into described lower shell body, the one end that plug-in unit is wherein housed that makes electromagnetic coil when assembling is the direction setting with the lack part away from described lower shell body near the back of described lower shell body;
C) described valve body is packed into from the axial direction of described electromagnetic coil, the side from the lack part of described lower shell body when assembling packs into;
D) lack part of the plate-like portion of described upper shell being aimed to described lower shell body presses downward to; Electromagnetic coil, valve body are located completely.
2. the manufacture method of solenoid valve as claimed in claim 1, it is characterized in that: the position of the lack part of described lower shell body is provided with protuberance, correspondingly, plate-like portion position at described upper shell seat is also provided with correspondingly recess, in the time of above-mentioned d) step, when assembling, the protuberance that the recess that the plate-like portion position of described upper shell seat is arranged is aimed at the position setting of the lack part of described lower shell body is pressed into.
3. the manufacture method of solenoid valve as claimed in claim 1 or 2, it is characterized in that: complete d) after step, again the lead-in wire bundle being connected with described electromagnetic coil and the plug-in unit of described electromagnetic coil are connected to a fixed, then, more described upper shell lid are pressed into described upper shell seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910221018.3A CN102052504B (en) | 2009-11-03 | 2009-11-03 | Electromagnetic valve and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910221018.3A CN102052504B (en) | 2009-11-03 | 2009-11-03 | Electromagnetic valve and manufacturing method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN102052504A CN102052504A (en) | 2011-05-11 |
| CN102052504B true CN102052504B (en) | 2014-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910221018.3A Active CN102052504B (en) | 2009-11-03 | 2009-11-03 | Electromagnetic valve and manufacturing method thereof |
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| CN (1) | CN102052504B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2814064Y (en) * | 2005-07-29 | 2006-09-06 | 浙江三花制冷集团有限公司 | Easyly mounted electromagnetic valve |
| CN201014005Y (en) * | 2007-02-12 | 2008-01-30 | 力挥企业有限公司 | Explosion-proof structure of membrane valve |
| DE102007025823A1 (en) * | 2007-06-02 | 2008-12-18 | Danfoss A/S | Valve for sectional aluminum radiator, has outlet flow channel with specified non-dimensional length, surrounded by channel casing |
-
2009
- 2009-11-03 CN CN200910221018.3A patent/CN102052504B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2814064Y (en) * | 2005-07-29 | 2006-09-06 | 浙江三花制冷集团有限公司 | Easyly mounted electromagnetic valve |
| CN201014005Y (en) * | 2007-02-12 | 2008-01-30 | 力挥企业有限公司 | Explosion-proof structure of membrane valve |
| DE102007025823A1 (en) * | 2007-06-02 | 2008-12-18 | Danfoss A/S | Valve for sectional aluminum radiator, has outlet flow channel with specified non-dimensional length, surrounded by channel casing |
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|---|---|
| CN102052504A (en) | 2011-05-11 |
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Address after: 312500 Shaoxing City, Zhejiang province Xinchang Qixing street under the Liquan 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. |