CN105650326A - Pilot electromagnetic valve - Google Patents
Pilot electromagnetic valve Download PDFInfo
- Publication number
- CN105650326A CN105650326A CN201410635741.7A CN201410635741A CN105650326A CN 105650326 A CN105650326 A CN 105650326A CN 201410635741 A CN201410635741 A CN 201410635741A CN 105650326 A CN105650326 A CN 105650326A
- Authority
- CN
- China
- Prior art keywords
- valve
- piston element
- electromagnetic valve
- guide electromagnetic
- high pressure
- 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
Landscapes
- Magnetically Actuated Valves (AREA)
Abstract
The invention provides a pilot electromagnetic valve. The pilot electromagnetic valve comprises a main valve unit and a pilot valve unit. The main valve unit comprises a valve body with an inner cavity and a piston component installed in the inner cavity. The valve body comprises a partition part which is provided with a main valve port. The piston component is located on the main valve port so as to open or close the main valve port. The inner cavity is divided into a piston cavity body, a high-pressure cavity body located on the valve inlet side and an outlet cavity body located on the valve outlet side through the piston component and the partition part. The main valve unit further comprises a balance channel used for enabling the high-pressure cavity body to communicate with the piston cavity body. A channel inlet where the balance channel communicates with the high-pressure cavity body is always located in a high-pressure zone of the high-pressure cavity body, wherein the high-pressure zone is the zone where the pressure of the lower portion of the piston component is greater than or equal to 0.91 time the inlet pressure of the pilot electromagnetic valve when the main valve port is opened by the piston component. According to the pilot electromagnetic valve provided by the invention, the problems that a piston component 3' of a pilot electromagnetic valve is unstable in action performance and unreliable in closing in the prior art are solved.
Description
Technical field
The present invention relates to valve field, specifically, it relates to a kind of guide electromagnetic valve.
Background technology
Guide electromagnetic valve is conventional valve version. Fig. 1 is the structural representation of a kind of typical guide electromagnetic valve in prior art. As shown in Figure 1, this guide electromagnetic valve comprises main valve, pilot valve, inlet pipe 4', outlet pipe 5' and is set in the solenoid (not illustrating in FIG) of pilot valve outside. Main valve comprises valve body 1', is arranged in the piston element 3' in the valve chamber of valve body 1' and is positioned at the end cap 2' above valve body 1'. The direction of motion of piston element 3' is perpendicular to the circulating direction of runner. High pressure chest 11 ' is connected by equalizing port 31 ' with plunger shaft 12 ', and valve body 1' is provided with primary valve 13', and along with rising or the decline of piston element 3', piston element 3' opens or closes primary valve 13', thus achieves conducting and the interruption of fluid. When solenoid is energized, pilot valve valve head opens poppet port 21', minority of fluid flows out outlet pipe 5' by poppet port 21', makes the pressure upwards being subject to below piston element 3' be greater than the downward pressure being subject to above piston element 3', thus makes piston element 3' open primary valve 13'. When solenoid power-off, pilot valve valve head closes poppet port 21', it is truncated by the stream road of poppet port 21', the pressure upwards being subject to below piston element 3' is less than the downward pressure being subject to above piston element 3', piston element 3' closes primary valve 13', is truncated by the stream road of primary valve 13' between inlet pipe 4' and outlet pipe 5'.
In the process realizing the present invention, present inventor finds that above prior art has following weak point:
The performance of the piston element 3' of the guide electromagnetic valve of above prior art is unstable, and close unreliable.
Summary of the invention
The main purpose of the present invention is to provide a kind of guide electromagnetic valve, unstable to solve the performance of the piston element 3' of guide electromagnetic valve in prior art, and closes insecure problem.
In order to realize above-mentioned purpose, according to a kind of guide electromagnetic valve provided by the invention, comprise main valve and pilot valve, main valve comprises the valve body with inner chamber and the piston element being installed in inner chamber, valve body comprises separating part, separating part arranges primary valve, primary valve to open or is closed in the top that piston element is positioned at primary valve, inner chamber is divided into plunger shaft by piston element and separating part, it is positioned at the high pressure chest of valve on the suction side and it is positioned at the outlet plenum of valve outlet port side, plunger shaft is positioned at the top of piston element, high pressure chest and outlet plenum are positioned at the lower section of piston element, main valve also comprises the balance channel for being connected high pressure chest and plunger shaft, the feeder connection that balance channel is connected with high pressure chest is positioned at the high pressure area of high pressure chest all the time, wherein, high pressure area is: when piston element opens primary valve, pressure below piston element is more than or equal to the region of the intake pressure of the guide electromagnetic valve of 0.91 times.
Further, balance channel is positioned on valve body.
Further, balance channel is the duct being positioned at valve inner and/or the groove being positioned on the internal surface of valve body.
Further, balance channel is the groove being positioned on the internal surface of valve body, and groove extends along the bearing of trend of the medullary ray of primary valve.
Further, balance channel be positioned on piston element at least partially.
Further, balance channel comprises the first channel being positioned on valve body and the second passage being positioned on piston element, and first channel is connected with second passage.
Further, balance channel is positioned on piston element.
Further, guide electromagnetic valve also comprises the spacing structure that limited piston parts rotate.
Further, spacing structure comprises: spacing groove, on that spacing groove is arranged in piston element and valve body; Limited block, limited block is arranged in spacing groove and is arranged on another of piston element and valve body.
Further, spacing groove extends along the bearing of trend of the medullary ray of primary valve, and limited block and spacing groove are slidably matched.
The technical scheme of application the present invention, the feeder connection being connected with high pressure chest due to the balance channel of this guide electromagnetic valve is positioned at the high pressure area of high pressure chest all the time, therefore, after pilot valve is closed, the hydrodynamicpressure of the plunger shaft above piston element is bigger, act on the downward pressure on piston element higher than the pressure upwards acting on piston element, piston element is downward by the direction made a concerted effort, piston element closes primary valve, therefore the performance of the piston element of this guide electromagnetic valve is stablized, and closes reliable.
Accompanying drawing explanation
The Figure of description of the part forming the application is used to provide a further understanding of the present invention, and the schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention. In the accompanying drawings:
Fig. 1 shows the structural representation of a kind of typical guide electromagnetic valve in prior art;
Fig. 2 shows below the piston element of the guide electromagnetic valve shown in Fig. 1 the pressure distribution schematic diagram of horizontal direction when piston element opens primary valve;
Fig. 3 shows below the piston element of the guide electromagnetic valve shown in Fig. 1 the pressure distribution schematic diagram of vertical direction when piston element opens primary valve;
Fig. 4 shows below the piston element of the guide electromagnetic valve shown in Fig. 1 the velocity distribution schematic diagram of horizontal direction when piston element opens primary valve;
Fig. 5 shows below the piston element of the guide electromagnetic valve shown in Fig. 1 the velocity distribution schematic diagram of vertical direction when piston element opens primary valve;
The structural representation of the guide electromagnetic valve that Fig. 6 shows the preferred embodiment of the present invention when piston element closes primary valve;
The structural representation of the guide electromagnetic valve that Fig. 7 shows Fig. 6 when piston element opens primary valve;
Fig. 8 shows below the piston element of the guide electromagnetic valve shown in Fig. 6 the pressure distribution schematic diagram of horizontal direction when piston element opens primary valve.
Embodiment
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually. Below with reference to the accompanying drawings and come the present invention is described in detail in conjunction with the embodiments.
It is noted that the term used here is only to describe embodiment, and not intended to limit is according to an illustrative embodiment of the invention. As used herein, unless the context clearly indicates otherwise, otherwise odd number form is also intended to comprise plural form, in addition, it is to be further understood that, when using term " comprising " and/or " comprising " in this manual, it indicates existing characteristics, step, operation, device, assembly and/or their combination.
For convenience of description, here can usage space relative terms, as " ... on ", " in ... top ", " at ... upper surface ", " above " etc., be used for the spatial relation described such as a device shown in the figure or feature and other devices or feature. Should be understood that, space relative terms is intended to the different azimuth in use or operation comprised except the orientation that device is described in the drawings. Such as, " in other devices or structure lower section " or " under other devices or structure " will be positioned as after if the device in accompanying drawing is squeezed, being then described as the device of " above other devices or structure " or " on other devices or structure ". Thus, exemplary term " in ... top " can comprise " in ... top " and " in ... lower section " two kinds of orientation. This device can also other different modes location (90-degree rotation or be in other orientation), and the space used here is described relatively and makes respective explanations.
Just as described in the background art, the performance of the piston element 3' that there is guide electromagnetic valve in prior art is unstable, and closes insecure technical problem. The magnetic valve of above prior art is conducted in-depth research by the present inventor, have found the reason producing this technical problem. Hereinafter with reference to Fig. 2 to Fig. 5, this reason is specifically described. Wherein, Fig. 2 shows below the piston element of the guide electromagnetic valve shown in Fig. 1 the pressure distribution schematic diagram of horizontal direction when piston element opens primary valve; Fig. 3 shows below the piston element of the guide electromagnetic valve shown in Fig. 1 the pressure distribution schematic diagram of vertical direction when piston element opens primary valve; Fig. 4 shows below the piston element of the guide electromagnetic valve shown in Fig. 1 the velocity distribution schematic diagram of horizontal direction when piston element opens primary valve; Fig. 5 shows below the piston element of the guide electromagnetic valve shown in Fig. 1 the velocity distribution schematic diagram of vertical direction when piston element opens primary valve. In Fig. 2 to Fig. 3, red �� blue expression pressure is from height to low; In Fig. 4 to Fig. 5, red �� blue expression speed is from big to small.
As shown in Figure 1, in the structure of prior art, guide electromagnetic valve be arranged on piston element 3 ' for being connected the equalizing port 31 ' of high pressure chest 11 ' and plunger shaft 12 '. owing to the direction of motion of piston element 3 ' is perpendicular to the circulating direction of fluid, and piston element 3 ' is positioned at the surface of primary valve 13 ', so when piston element 3 ' upwards moves, after primary valve 13 ' is opened, the fluid that piston element 3 ' lower section is positioned at valve on the suction side can flow to primary valve 13 ' rapidly, the fluid of this part due to flow velocity very fast, the pressure of this flow region can be made to fall low especially, and the fluid that piston element 3 ' lower section is positioned at outlet side due to velocity of flow slower, so the pressure in this region falls not obvious, this will make the pressure region of the lower section of piston element 3 ' probably be divided into four regions (as shown in Figure 3), namely one is positioned at the low pressure area of on the suction side, a high pressure area at outlet side and two lay respectively at the zone of transition between low pressure area and high pressure area. owing to piston element 3 ' must be mobilizable to open or close primary valve 13 ', under the drive of air-flow, piston element 3 ' often rotates, therefore, piston element 3 ' just have three kinds of forms along with the rotation of piston element 3 ' by power:
A, when equalizing port 31 ' is positioned at low pressure area, the pressure of plunger shaft 12 ' is just suitable with the pressure of the equalizing port 31 ' band of position, after pilot valve valve head closes poppet port 21 ', owing to plunger shaft 12 ' acts on the pressure upwards that the downward pressure on piston element acts on piston element 3 ' lower than high pressure chest 11 ', so piston element 3 ' by the direction made a concerted effort upwards, cannot close by primary valve 13 '.
B, when equalizing port 31 ' is positioned at high pressure area, the pressure of plunger shaft 12 ' is just suitable with the pressure of the equalizing port 31 ' band of position, after pilot valve valve head closes poppet port 21 ', owing to plunger shaft 12 ' acts on the pressure upwards that the downward pressure on piston element 3 ' acts on piston element 3 ' higher than high pressure chest 11 ', so piston element 3 ' is downward by the direction made a concerted effort, and primary valve 13 ' is closed;
C, when equalizing port 31 ' is positioned at zone of transition, the pressure of plunger shaft 12 ' is just suitable with the pressure of the equalizing port 31 ' band of position, after pilot valve valve head closes poppet port 21 ', making a concerted effort likely upwards of piston element 3 ', also likely downward, downward then primary valve 13 ' is closed, and upwards then primary valve 13 ' can not be closed, and the closedown situation of primary valve 13 ' is more unstable.
Known according to above analysis, when equalizing port 13 ', to be arranged at piston element 3 ' upper and when piston element 3 ' can freely rotate, and the performance of piston element 3 ' can be variant because of the change in location of equalizing port 13 ', so, the performance of piston element 3 ' is unstable, and unreliable.
Based on the above conclusion analyzed, the preferred embodiment of the present invention provides a kind of guide electromagnetic valve.
As shown in Figure 6 and Figure 7, this guide electromagnetic valve comprises main valve and pilot valve, main valve comprises the valve body 1 with inner chamber and the piston element 3 being installed in inner chamber, valve body 1 comprises separating part 1A, separating part 1A arranges primary valve 13, piston element 3 is positioned at the top of primary valve 13 to open or to close primary valve 13, inner chamber is divided into plunger shaft 12 by piston element 3 and separating part 1A, it is positioned at the high pressure chest 11 of valve on the suction side and it is positioned at the outlet plenum 19 of valve outlet port side, plunger shaft 12 is positioned at the top of piston element 3, high pressure chest 11 and outlet plenum 19 are positioned at the lower section of piston element 3, main valve also comprises for being connected high pressure chest 11 and the balance channel of plunger shaft 12, the feeder connection that balance channel is connected with high pressure chest 11 is positioned at the high pressure area of high pressure chest 11 all the time, wherein, high pressure area is: when piston element 3 opens primary valve 13, pressure below piston element 3 is more than or equal to the region of the intake pressure of the guide electromagnetic valve of 0.91 times.
The feeder connection being connected with high pressure chest 11 due to the balance channel of this guide electromagnetic valve is positioned at the high pressure area of high pressure chest 11 all the time, therefore, after pilot valve is closed, the hydrodynamicpressure of the plunger shaft above piston element 3 is bigger, act on the downward pressure on piston element 3 higher than the pressure upwards acting on piston element 3, piston element 3 is downward by the direction made a concerted effort, piston element 3 closes primary valve 13, therefore the performance of the piston element 3 of this guide electromagnetic valve is stablized, and closes reliable.
The form of above balance channel can be varied. Balance channel can be positioned on valve body 1. When the feeder connection of balance channel is positioned on valve body 1, entering the hydrodynamicpressure in balance channel can not change because of the rotation of piston element 3. Such as balance channel can be the duct that is positioned at valve body 1 inside or the groove being positioned on the internal surface of valve body 1, it is also possible to is the duct being positioned at valve body 1 inside or the unitized construction of the groove being positioned on the internal surface of valve body 1. Balance channel can also be positioned on piston element 3 at least partially. Such as, balance channel can comprise the first channel being positioned on valve body 1 and the second passage being connected with first channel being positioned on piston element 3. Again such as, balance channel can also only be positioned on piston element 3.
When balance channel is positioned on piston element 3 at least partially, guide electromagnetic valve preferably includes the spacing structure that limited piston parts 3 rotate. Spacing structure specifically can comprise spacing groove and a limited block, and wherein, spacing groove is arranged on in piston element 3 and valve body 1, and limited block is arranged in spacing groove and is arranged on another of piston element 3 and valve body 1. In a preferred example, spacing groove extends along the bearing of trend of the medullary ray of primary valve 13, and limited block and spacing groove are slidably matched.
It should be noted that, as long as the feeder connection that can guarantee balance channel is positioned at high pressure area all the time, spacing structure is not required. In addition, if feeder connection is positioned on piston element 3, the rotation of complete limited piston parts 3 is not needed yet, as long as and being limited in all the time in high pressure area by the feeder connection of balance channel.
The guide electromagnetic valve of the present embodiment is described further below with reference to Fig. 6 and Fig. 7.
As shown in Figure 6 and Figure 7, the groove 14 that the balance channel of the present embodiment is specially on the internal surface being positioned at valve body 1, groove 14 extends along the bearing of trend of the medullary ray of primary valve 13. The position of the groove 14 of the present embodiment is positioned on valve body 1, and therefore, hydrodynamicpressure does not change with the rotation of piston element 3.
The outlet pipe 5 that the inlet pipe 4 that this guide electromagnetic valve comprises main valve, pilot valve is connected with high pressure chest 11 is connected with outlet plenum 19 and the solenoid (not illustrating in figure 6 and figure 7) being set in pilot valve outside. Main valve comprises valve body 1, is positioned at the piston element 3 of valve body 1 inside and is positioned at the end cap 2 above valve body 1. The direction of motion of piston element 3 is perpendicular to the circulating direction of fluid channel. High pressure chest 11 is connected by being arranged at the aforementioned grooves 14 of the internal surface of valve body 1 with plunger shaft 12. Being provided with primary valve 13 on the separating part 1A of valve body 1, along with rising or the decline of piston element 3, primary valve 13 is opened or closed to piston element 3, it is thus possible to realize conducting and the interruption of fluid.
When solenoid is energized, pilot valve valve head 6 opens poppet port 21, small part is entered the fluid of magnetic valve successively by high pressure chest 11 from inlet pipe 4, groove 14, the spring housing 16 of plunger shaft 12 is outside, hole 15 excessively on spring housing 16 wall face, the spring housing 16 of plunger shaft 12 is inner, pod apertures 17, poppet port 21 and through-flow duct 18 enter outlet plenum 19, fluid acting in conjunction in the annular chamber 11A of high pressure chest 11 and outlet plenum 19 makes the pressure below piston element 3 be increased to the making a concerted effort of reactive force that the spring being greater than above plunger shaft 12 and piston element 3 is applied to piston element 3, thus make piston element 3 open primary valve 13, a large amount of fluid directly enters outlet plenum 19 from high pressure chest 11 by primary valve 13, and then flow out from outlet pipe 5.
When solenoid power-off, the pilot valve valve head 6 of pilot valve closes poppet port 21, and pilot flow path is truncated. Through groove 14 enter the pressure downward on piston element of the fluid matasomatism in plunger shaft 12 and spring power make a concerted effort be greater than the pressure upwards that piston element 3 fluid beneath acts on piston element 3, piston element 3 moves down, and closes primary valve 13.
Owing to the feeder connection of balance channel is positioned at high pressure area all the time, so after pilot valve is closed, piston element 3 downward all the time by power, piston can only move downward, and so just can ensure that main valve is reliably closed.
In general, taking the medullary ray of guide electromagnetic valve as initial point with taking fluid channel from the suction side to the bearing of trend of outlet side as in the horizontal coordinate of transverse axis, the part of the ring sector region within the scope of being in of high pressure chest 11 �� 60 �� all belongs to high pressure area.
Fig. 7 has marked the present invention guide electromagnetic valve piston element below piston element open primary valve time different pressure distribution regions. Simultaneously Fig. 8 shows below the piston element of the guide electromagnetic valve shown in Fig. 6 the pressure distribution schematic diagram of the horizontal direction when piston element opens primary valve. As shown in Figure 7 and Figure 8, wherein region pressure 1. is the intake pressure of guide electromagnetic valve; The pressure that 2. region is located because of this rapid inflow region of place's fluid 3. lower, region pressure 3. is also lower, and 4. region then becomes high pressure area because flowing slowly, the feeder connection of balance channel namely be suitable for being arranged on this region 4. in. More specifically it is analyzed as follows below:
The axes normal of piston element 3 of guide electromagnetic valve and the flow direction of magnetic valve, cause after magnetic valve is opened, 1. fluid flows into valve body 1 from the region Fig. 7, flow to region 2. time, the fluid of major part can inflow region be 3. fast, and 4. some fluid can flow to region, and 4. form eddy current in region, and then inflow region is 3. slowly. Owing to 3. region most of fluid 2., so region pressure 2. falls bigger, can cause the region pressure 2. can be smaller relative to region intake pressure 1. by inflow region fast. Region is 4. 2. relatively slow for region owing to forming eddy current and moving phase, so region pressure 4. falls smaller, region pressure 4. changes not too greatly relative to intake pressure, therefore just there will be the inequal situation of the pressure below piston element 3,4. pressure is the highest in region, 2. pressure is minimum in region, region 4., region 2. between part pressure reduce gradually.
In Fig. 8, A represents the intake pressure of guide electromagnetic valve. In order to ensure the reliability of closed electromagnetic valve, so the feeder connection of balance channel is arranged in the high pressure area being more than or equal to 0.91A. More preferably excellent, it is arranged at pressure and it is in the high pressure area of more than 0.95A. As shown in Figure 8, the pressure that pressure is in the high pressure area of more than 0.95A can reach 0.96A.
The pilot-operated type piston electromagnetic valve of the present invention, is particularly useful for refrigeration system.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations. Within the spirit and principles in the present invention all, any amendment of doing, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a guide electromagnetic valve, comprise main valve and pilot valve, described main valve comprises the valve body (1) with inner chamber and the piston element (3) being installed in described inner chamber, described valve body (1) comprises separating part (1A), described separating part (1A) arranges primary valve (13), described piston element (3) is positioned at the top of described primary valve (13) to open or to close described primary valve (13), described inner chamber is divided into plunger shaft (12) by described piston element (3) and described separating part (1A), it is positioned at the high pressure chest (11) of valve on the suction side and it is positioned at the outlet plenum (19) of valve outlet port side, described plunger shaft (12) is positioned at the top of described piston element (3), described high pressure chest (11) and described outlet plenum (19) are positioned at the lower section of described piston element (3), described main valve also comprises for being connected described high pressure chest (11) and the balance channel of described plunger shaft (12), it is characterized in that, the feeder connection that described balance channel is connected with described high pressure chest (11) is positioned at the high pressure area of described high pressure chest (11) all the time, wherein, described high pressure area is: when described piston element (3) opens described primary valve (13), the pressure of described piston element (3) lower section is more than or equal to the region of the intake pressure of the described guide electromagnetic valve of 0.91 times.
2. guide electromagnetic valve according to claim 1, it is characterised in that, described balance channel is positioned on described valve body (1).
3. guide electromagnetic valve according to claim 2, it is characterised in that, described balance channel is the groove being positioned at the inner duct of described valve body (1) and/or be positioned on the internal surface of described valve body (1).
4. guide electromagnetic valve according to claim 2, it is characterized in that, described balance channel extends along the bearing of trend of the medullary ray of described primary valve (13) for the groove (14) on the internal surface being positioned at described valve body (1), described groove (14).
5. guide electromagnetic valve according to claim 1, it is characterised in that, being positioned at least partially on described piston element (3) of described balance channel.
6. guide electromagnetic valve according to claim 5, it is characterized in that, described balance channel comprises the first channel being positioned on described valve body (1) and the second passage being positioned on described piston element (3), and described first channel is connected with described second passage.
7. guide electromagnetic valve according to claim 5, it is characterised in that, described balance channel is positioned on described piston element (3).
8. guide electromagnetic valve according to any one of claim 5 to 7, it is characterised in that, described guide electromagnetic valve also comprises the spacing structure that the described piston element of restriction (3) is rotated.
9. guide electromagnetic valve according to claim 8, it is characterised in that, described spacing structure comprises:
Spacing groove, described spacing groove is arranged on in described piston element (3) and described valve body (1);
Limited block, described limited block is arranged in described spacing groove and is arranged on another of described piston element (3) and described valve body (1).
10. guide electromagnetic valve according to claim 7, it is characterised in that, described spacing groove extends along the bearing of trend of the medullary ray of described primary valve (13), and described limited block and described spacing groove are slidably matched.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410635741.7A CN105650326B (en) | 2014-11-12 | 2014-11-12 | Guide electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410635741.7A CN105650326B (en) | 2014-11-12 | 2014-11-12 | Guide electromagnetic valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105650326A true CN105650326A (en) | 2016-06-08 |
| CN105650326B CN105650326B (en) | 2018-05-25 |
Family
ID=56483176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410635741.7A Active CN105650326B (en) | 2014-11-12 | 2014-11-12 | Guide electromagnetic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105650326B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108266563A (en) * | 2016-12-30 | 2018-07-10 | 浙江三花汽车零部件有限公司 | Guide electromagnetic valve |
| CN112460267A (en) * | 2019-09-06 | 2021-03-09 | 盾安环境技术有限公司 | Electromagnetic valve |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59164477A (en) * | 1983-03-10 | 1984-09-17 | Tokico Ltd | Valve system |
| JPS60263786A (en) * | 1984-06-12 | 1985-12-27 | Meiwa Seisakusho:Kk | Pressure switch device of reducing valve |
| CN2431452Y (en) * | 2000-07-05 | 2001-05-23 | 张丽萍 | Strong sealed stop valve |
| CN2517921Y (en) * | 2001-10-10 | 2002-10-23 | 金顺国 | Double flow electromagnetic valve |
| KR100712453B1 (en) * | 2005-01-31 | 2007-04-27 | 에스엠시 가부시키가이샤 | Switching valve with position detecting mechanism |
| CN2924196Y (en) * | 2006-04-18 | 2007-07-18 | 徐继来 | Large-sized electro-hydraulic piston underwater electromagnetic valve |
| CN201963999U (en) * | 2011-03-18 | 2011-09-07 | 重庆环茂电磁阀有限公司 | Double-layered pilot-operated type hard and soft tapered seal electromagnetic valve |
| JP2014098450A (en) * | 2012-11-15 | 2014-05-29 | Saginomiya Seisakusho Inc | Pilot type solenoid valve |
| CN203757158U (en) * | 2014-01-24 | 2014-08-06 | 杭州神林电子有限公司 | Water leakage sensing automatic stop valve |
-
2014
- 2014-11-12 CN CN201410635741.7A patent/CN105650326B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59164477A (en) * | 1983-03-10 | 1984-09-17 | Tokico Ltd | Valve system |
| JPS60263786A (en) * | 1984-06-12 | 1985-12-27 | Meiwa Seisakusho:Kk | Pressure switch device of reducing valve |
| CN2431452Y (en) * | 2000-07-05 | 2001-05-23 | 张丽萍 | Strong sealed stop valve |
| CN2517921Y (en) * | 2001-10-10 | 2002-10-23 | 金顺国 | Double flow electromagnetic valve |
| KR100712453B1 (en) * | 2005-01-31 | 2007-04-27 | 에스엠시 가부시키가이샤 | Switching valve with position detecting mechanism |
| CN2924196Y (en) * | 2006-04-18 | 2007-07-18 | 徐继来 | Large-sized electro-hydraulic piston underwater electromagnetic valve |
| CN201963999U (en) * | 2011-03-18 | 2011-09-07 | 重庆环茂电磁阀有限公司 | Double-layered pilot-operated type hard and soft tapered seal electromagnetic valve |
| JP2014098450A (en) * | 2012-11-15 | 2014-05-29 | Saginomiya Seisakusho Inc | Pilot type solenoid valve |
| CN203757158U (en) * | 2014-01-24 | 2014-08-06 | 杭州神林电子有限公司 | Water leakage sensing automatic stop valve |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108266563A (en) * | 2016-12-30 | 2018-07-10 | 浙江三花汽车零部件有限公司 | Guide electromagnetic valve |
| CN108266563B (en) * | 2016-12-30 | 2020-09-29 | 浙江三花汽车零部件有限公司 | Pilot-operated electromagnetic valve |
| CN112460267A (en) * | 2019-09-06 | 2021-03-09 | 盾安环境技术有限公司 | Electromagnetic valve |
| CN112460267B (en) * | 2019-09-06 | 2022-11-08 | 盾安环境技术有限公司 | Electromagnetic valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105650326B (en) | 2018-05-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101243274B (en) | Valve assembly and method with slotted plates and spherical ball plug | |
| EP2980463B1 (en) | Bidirectional electromagnetic valve | |
| WO2019001249A1 (en) | Electric valve | |
| CN105650326A (en) | Pilot electromagnetic valve | |
| CN108591158A (en) | A kind of high-pressure high-flow two-position four-way pilot operated directional control valve | |
| CN106286892B (en) | Three-way magnetic valve | |
| CN204345034U (en) | A kind of compressed natural gas guide electromagnetic valve | |
| CN105466088A (en) | Thermostatic expansion valve and heat pump system provided with thermostatic expansion valve | |
| CN107356024A (en) | Electric expansion valve | |
| CN107725820A (en) | No leakage Solenoid ball valve | |
| CN104421466B (en) | A kind of constant pressure turn on device | |
| CN106015673B (en) | A kind of balanced valve with pooling feature | |
| CN203272813U (en) | Plug-in type electromagnetic valve and plug-in type electromagnetic valve set with same | |
| CN202392246U (en) | Two-way flow solenoid valve | |
| CN105650329A (en) | Ultrahigh-pressure large-caliber electromagnetic valve | |
| CN107355369B (en) | Bidirectional buffering and Compressor Valve control system containing it | |
| CN107740871A (en) | Screw thread inserting type Solenoid ball valve | |
| CN106286893B (en) | Three-way magnetic valve | |
| CN106195280A (en) | A kind of with the low noise regulation valve opening structure in advance | |
| CN102235514B (en) | A kind of valve seat | |
| CN208669730U (en) | Spool and valve | |
| CN204357610U (en) | A kind of controlled exhaust fuel metering valve | |
| CN105805073A (en) | Cartridge overflow valve main valve with directional damper | |
| CN104235474B (en) | A kind of two-bit triplet magnetic valve | |
| CN205578846U (en) | Super high pressure solenoid |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20160803 Address after: 312500 Xinchang, Zhejiang province Qixing street under the village of Liquan Applicant after: ZHEJIANG SANHUA CLIMATE AND APPLIANCE CONTROLS GROUP Co.,Ltd. Address before: 312500 Xinchang, Zhejiang province Qixing street under the village of Liquan Applicant before: ZHEJIANG SANHUA Co.,Ltd. |
|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220824 Address after: 312500 Daming new area, economic development zone, Xinchang County, Shaoxing City, Zhejiang Province Patentee after: Zhejiang Sanhua Commercial Refrigeration Co.,Ltd. Address before: 312500 xialiquan village, Qixing street, Xinchang County, Shaoxing City, Zhejiang Province Patentee before: ZHEJIANG SANHUA CLIMATE AND APPLIANCE CONTROLS GROUP Co.,Ltd. |
|
| TR01 | Transfer of patent right |