CN2619098Y - Two-way flow pilot type electromagnetic valve - Google Patents
Two-way flow pilot type electromagnetic valve Download PDFInfo
- Publication number
- CN2619098Y CN2619098Y CN 03231175 CN03231175U CN2619098Y CN 2619098 Y CN2619098 Y CN 2619098Y CN 03231175 CN03231175 CN 03231175 CN 03231175 U CN03231175 U CN 03231175U CN 2619098 Y CN2619098 Y CN 2619098Y
- Authority
- CN
- China
- Prior art keywords
- valve
- port
- cavity
- valve port
- check
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Magnetically Actuated Valves (AREA)
Abstract
The utility model is a pilot-operated electromagnetic valve used in air conditioner system which is two way conveyances. A unidirectional valve port which is parallel to the valve is arranged on the pilot-operated electromagnetic valve between two circulation ports. A second chamber is provided corresponding to the unidirectional valve port. A valve core is arranged by combining with the unidirectional valve port in the second chamber. The unidirectional valve port and the valve core combining together is equivalent to a unidirectional valve. The working mode and process of the pilot-operated electromagnetic valve is the same to the normal pilot-operated electromagnetic valve when medium fluid circulates in one direction. On the contrary, when medium fluid circulates at the opposite direction, medium fluid pushes the valve core away from the unidirectional valve port, only the unidirectional valve port is opened, the two circulation port stays connected to avoid the circulation port entering into upper chamber of the valve seat with high pressure medium, eliminate high pressure state in upper chamber of the valve seat, and prevent the phenomenon of a piston vibrating and closing in the present of the high pressure of the upper chamber of the valve seat.
Description
[technical field]
The utility model relates to a kind of guide electromagnetic valve that is used for air-conditioning system, especially a kind of guide electromagnetic valve that can two-way circulate.
[background technique]
In heat pump type air conditioning system, flowing to of when the heating refrigeration agent of freezing is just the opposite, thus to solenoid valve proposed can two-way flow requirement.
And common guide electromagnetic valve (Fig. 1) only is applicable to one-way flow:
When medium fluid flowed to the below communication port from the right side communication port: if coil blackout, no matter how the pressure of right side communication port changed, and piston shutoff always is on valve port, and valve is in stable closed condition, and medium fluid does not circulate.If coil electricity, core iron is inhaled on quilt under the effect of coil electromagnetic force, and equalizing orifice is opened; Communication port below the high-pressure fluid medium of valve seat epicoele is discharged to by equalizing orifice and valve port at this moment makes the valve seat epicoele form low pressure area, under the high pressure effect of valve seat cavity of resorption, piston is up pushed away, and opens valve port, and two communication port keep being communicated with the valve proper functioning.
Otherwise when medium fluid flowed to the right side communication port from the below communication port: if coil blackout, and the medium fluid pressure of below communication port hour, and then shutoff is on valve port for piston, and valve is in closed condition, and medium fluid does not circulate; (can upwards promote piston and core iron) when the pressure of below communication port increases to a certain degree, the unstable state of up-down vibration can appear in piston, the valve cisco unity malfunction.If coil electricity, core iron is inhaled on quilt under the effect of coil electromagnetic force, equalizing orifice is opened, the high-pressure medium fluid enters the valve seat epicoele from following communication port through equalizing orifice, make the valve seat epicoele form the zone of high pressure, piston produces up-down vibration, unstable working condition under the acting in conjunction of zone of high pressure (epicoele) and low pressure area (cavity of resorption), finally can close, medium fluid does not circulate.
In a word, common guide electromagnetic valve can only one-way flow, can't satisfy the requirement of two-way circulating.
[model utility content]
The technical assignment of the technical problems to be solved in the utility model and proposition provides a kind of guide electromagnetic valve that can two-way circulate, the requirement of two-way circulating with the refrigeration agent that satisfies heat pump type air conditioning system.For this reason, the technological scheme taked of the utility model is:
The technological scheme that the utility model is taked is: a kind of guide electromagnetic valve that two-way circulates, comprise and be connected in the sleeve pipe coil and the valve seat at two ends up and down, have two communication port on the valve seat for the medium circulation, has the pilot valve valve port between two communication port, the top of pilot valve valve port has a valve seat cavity, the piston that this cavity is cooperated with valve port is divided into epicoele and cavity of resorption, have the pore that is communicated with epicoele and cavity of resorption on the described piston and be communicated with epicoele and the equalizing orifice of valve port, be provided with the core iron corresponding in the sleeve pipe with equalizing orifice, it is characterized in that also being provided with between described two communication port and aforementioned pilot valve valve port check-valve port in parallel, with check-valve port to second cavity should be arranged, a spool that cooperates with check-valve port is set in second cavity.
As further improving and replenishing technique scheme: described spool is one to make axially movable column in second cavity, and an end of this column has the sealing surface that cooperates with equalizing orifice, and its other end has serrate slot; Described conical surface or sphere; Described pilot valve valve port is vertical mutually with check-valve port, has the side valve mouth that is communicated with the two between described cavity of resorption and second cavity; Described second cavity is positioned at a communication port place, and described check-valve port is coaxial with this communication port, and a block seat is installed in the end of this communication port; The lower end of described piston is provided with spring, and there is a ball sealer lower end of core iron, and there is end socket the upper end of sleeve pipe, is provided with spring between core iron and the end socket.
The utility model is by being provided with the check-valve port in parallel with the pilot valve valve port between two communication port, and corresponding second cavity in addition with check-valve port, one spool that cooperates with check-valve port is set in second cavity, check-valve port is equivalent to an one-way valve with combining of spool: when making medium fluid with a direction circulation, its working method is identical with common guide electromagnetic valve with process; Otherwise when medium fluid circulated in the opposite direction, medium fluid pushed away check-valve port with spool, only check-valve port was opened, and can keep two communication port to communicate; Avoided high-pressure medium to enter the valve seat epicoele through equalizing orifice, eliminated the high pressure conditions of valve seat epicoele from following communication port, thus the phenomenon of avoiding piston vibration under the effect of valve seat epicoele high pressure, to occur even close.
[description of drawings]
Fig. 1 is the structural representation of common guide electromagnetic valve.
The guide electromagnetic valve structural representation that Fig. 2 can two-way circulate for the utility model.
[embodiment]
As Fig. 2, the guide electromagnetic valve that two-way circulates shown in 3, comprise end socket 2 and coil 1 that is connected in sleeve pipe 5 upper ends and the valve seat 12 that is connected the sleeve pipe lower end, have left side communication port 13 and right side communication port 15 on the valve seat 12 for the medium circulation, has pilot valve valve port 14 between two communication port, the top of pilot valve valve port 14 has a valve seat cavity, the piston 10 that this cavity is cooperated with valve port is divided into epicoele 7 and cavity of resorption 11, have the pore 9 that is communicated with epicoele and cavity of resorption on the piston 10 and be communicated with epicoele and the equalizing orifice of valve port 8, the lower end of the core iron 4 in the sleeve pipe 5 is provided with corresponding ball sealer 6 with equalizing orifice, also be provided with the check-valve port 16 in parallel between left side communication port 13 and the right side communication port 15 with pilot valve valve port 14, check-valve port 16 is vertical mutually with pilot valve valve port 14, second cavity 18 that is positioned at right side communication port 15 places is corresponding and coaxial with check-valve port with check-valve port 16, has the side valve mouth 20 that is communicated with the two between second cavity 18 and the cavity of resorption 11, one spool 19 that cooperates with check-valve port 16 is set in second cavity 18, this spool is one to make axially movable column in second cavity, one end of this column has the circular cone sealing surface 17 (or sphere) that cooperates with equalizing orifice, its the other end is a serrate slot 21, a block seat 22 is installed in the end of second cavity 18, is convenient to install and spacing spool.For piston is moved flexibly, between core iron 4 and end socket 2, be provided with spring 3, and between the lower end of piston and valve port periphery, be equipped with spring equally.
This guide electromagnetic valve can two-way circulate for medium:
When medium fluid when the left side communication port flows to the right side communication port, no matter whether coil electricity to be, the spool that is positioned at second cavity is pushed away check-valve port by medium fluid, make check-valve port be in opening state, keep two communication port to be communicated with valve proper functioning, the smooth and easy circulation of medium fluid.
When medium fluid when the right side communication port flows to the left side communication port, spool is pushed to check-valve port by medium fluid, and check-valve port is closed: if coil blackout, the pilot valve valve port is closed by piston, and solenoid valve is in stable closed condition; If coil electricity, core iron is inhaled on quilt under the effect of coil electromagnetic force, equalizing orifice is opened, make epicoele become low pressure area, under high-pressure medium fluid effect from the right side communication port, piston is up pushed away, open valve port, two communication port keep being communicated with, and the working method of whole solenoid valve is identical with common guide electromagnetic valve with process.
Claims (6)
1, a kind of guide electromagnetic valve that two-way circulates, comprise and be connected in sleeve pipe (5) coil at two ends (1) and valve seat (12) up and down, have two communication port (13 on the valve seat (12) for the medium circulation, 15), two communication port (13,15) has pilot valve valve port (14) between, the top of pilot valve valve port (14) has a valve seat cavity, the piston (10) that this cavity is cooperated with valve port is divided into epicoele (7) and cavity of resorption (11), have the pore (9) that is communicated with epicoele and cavity of resorption on the described piston (10) and be communicated with epicoele and the equalizing orifice of valve port (8), be provided with the core iron corresponding (4) in the sleeve pipe (5) with equalizing orifice, it is characterized in that described two communication port (13,15) also be provided with the check-valve port (16) in parallel between with aforementioned pilot valve valve port (14), with check-valve port to second cavity (18) should be arranged, a spool that cooperates with check-valve port (19) is set in second cavity (18).
2, the guide electromagnetic valve that two-way circulates according to claim 1, it is characterized in that described spool (19) is one to make axially movable column in second cavity (18), one end of this column has the sealing surface (17) that cooperates with equalizing orifice, and its other end has serrate slot (21).
3, the guide electromagnetic valve that two-way circulates according to claim 2 is characterized in that described sealing surface (17) is conical surface or sphere.
4, the guide electromagnetic valve that two-way circulates according to claim 3 is characterized in that described pilot valve valve port (14) and check-valve port (16) are vertical mutually, has the side valve mouth (20) that is communicated with the two between described cavity of resorption (11) and second cavity (18).
5, according to claim 1 or the 4 described guide electromagnetic valves that two-way circulate, it is characterized in that described second cavity (18) is positioned at a communication port (15) and locates, described check-valve port (16) is coaxial with this communication port (15), and a block seat (22) is installed in the end of second cavity (18).
6, the guide electromagnetic valve that two-way circulates according to claim 1, the lower end that it is characterized in that described piston (10) is provided with spring, there is a ball sealer (6) lower end of core iron (4), and there is end socket (2) upper end of sleeve pipe (5), is provided with spring (3) between core iron (4) and the end socket (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03231175 CN2619098Y (en) | 2003-05-12 | 2003-05-12 | Two-way flow pilot type electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03231175 CN2619098Y (en) | 2003-05-12 | 2003-05-12 | Two-way flow pilot type electromagnetic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2619098Y true CN2619098Y (en) | 2004-06-02 |
Family
ID=34248001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03231175 Expired - Fee Related CN2619098Y (en) | 2003-05-12 | 2003-05-12 | Two-way flow pilot type electromagnetic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2619098Y (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101305331B (en) * | 2005-11-09 | 2012-07-04 | 艾克塞蒂克马克有限公司 | Intake-gas throttle device |
| CN102606793A (en) * | 2012-03-26 | 2012-07-25 | 宁波奥柯汽车空调有限公司 | Electromagnetic expansion valve |
| CN101893098B (en) * | 2009-05-22 | 2013-03-13 | 浙江三花股份有限公司 | Pilot-operated type two-way circulated solenoid valve |
| WO2013139187A1 (en) * | 2012-03-21 | 2013-09-26 | 浙江三花股份有限公司 | Bidirectional solenoid valve |
| CN103851250A (en) * | 2012-11-29 | 2014-06-11 | 浙江三花股份有限公司 | Electromagnetic valve |
| WO2014154070A1 (en) * | 2013-03-28 | 2014-10-02 | 浙江三花股份有限公司 | Linear bidirectional electromagnetic valve |
| CN105443841A (en) * | 2014-06-09 | 2016-03-30 | 浙江三花股份有限公司 | Pilot-type control valve and multi-connected air conditioner |
| CN106523767A (en) * | 2015-09-10 | 2017-03-22 | 浙江盾安禾田金属有限公司 | Bi-directional solenoid valve |
| CN106764001A (en) * | 2015-11-20 | 2017-05-31 | 株式会社不二越 | Air by-pass valve |
| CN108331932A (en) * | 2017-01-20 | 2018-07-27 | 德昌电机(深圳)有限公司 | Control valve for fluids |
| CN109838586A (en) * | 2017-11-29 | 2019-06-04 | 杭州三花研究院有限公司 | Fluid management components and heat management system |
| CN110735929A (en) * | 2018-07-18 | 2020-01-31 | 浙江三花制冷集团有限公司 | pilot-operated solenoid valve |
-
2003
- 2003-05-12 CN CN 03231175 patent/CN2619098Y/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101305331B (en) * | 2005-11-09 | 2012-07-04 | 艾克塞蒂克马克有限公司 | Intake-gas throttle device |
| CN101893098B (en) * | 2009-05-22 | 2013-03-13 | 浙江三花股份有限公司 | Pilot-operated type two-way circulated solenoid valve |
| WO2013139187A1 (en) * | 2012-03-21 | 2013-09-26 | 浙江三花股份有限公司 | Bidirectional solenoid valve |
| CN102606793A (en) * | 2012-03-26 | 2012-07-25 | 宁波奥柯汽车空调有限公司 | Electromagnetic expansion valve |
| CN103851250A (en) * | 2012-11-29 | 2014-06-11 | 浙江三花股份有限公司 | Electromagnetic valve |
| WO2014154070A1 (en) * | 2013-03-28 | 2014-10-02 | 浙江三花股份有限公司 | Linear bidirectional electromagnetic valve |
| CN105443841A (en) * | 2014-06-09 | 2016-03-30 | 浙江三花股份有限公司 | Pilot-type control valve and multi-connected air conditioner |
| CN106523767A (en) * | 2015-09-10 | 2017-03-22 | 浙江盾安禾田金属有限公司 | Bi-directional solenoid valve |
| CN106523767B (en) * | 2015-09-10 | 2019-12-31 | 浙江盾安禾田金属有限公司 | Two-way electromagnetic valve |
| CN106764001A (en) * | 2015-11-20 | 2017-05-31 | 株式会社不二越 | Air by-pass valve |
| CN106764001B (en) * | 2015-11-20 | 2018-12-18 | 株式会社不二越 | Air by-pass valve |
| CN108331932A (en) * | 2017-01-20 | 2018-07-27 | 德昌电机(深圳)有限公司 | Control valve for fluids |
| CN109838586A (en) * | 2017-11-29 | 2019-06-04 | 杭州三花研究院有限公司 | Fluid management components and heat management system |
| CN109838586B (en) * | 2017-11-29 | 2021-08-31 | 浙江三花智能控制股份有限公司 | Fluid management assembly and thermal management system |
| CN110735929A (en) * | 2018-07-18 | 2020-01-31 | 浙江三花制冷集团有限公司 | pilot-operated solenoid valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2619098Y (en) | Two-way flow pilot type electromagnetic valve | |
| CN2675970Y (en) | Fore running type bidirectional current electromagnetic valve | |
| CN101893098B (en) | Pilot-operated type two-way circulated solenoid valve | |
| CN112253669A (en) | Semi-active shock absorber | |
| CN201215210Y (en) | Piston type solenoid valve | |
| CN205939839U (en) | Thermal expansion valve | |
| CN110017400A (en) | A kind of solenoid valve reducing valve opening noise | |
| CN213954227U (en) | Semi-active shock absorber | |
| CN214295907U (en) | Electromagnetic regulating valve with reversing function | |
| CN108105194A (en) | A kind of valve member and solenoid valve | |
| CN1300499C (en) | Ratio pressure difference control valve | |
| CN201461570U (en) | Plug-in brake valve | |
| CN203477501U (en) | Self-operated balance electric control valve | |
| CN208651735U (en) | A kind of normally closed solenoid valve with self-protection function | |
| CN2199384Y (en) | Four-way electromagnetic change valve | |
| CN101988582A (en) | Electronic expansion valve structure | |
| CN113108083A (en) | Main valve and reversing valve with same | |
| CN221802128U (en) | Thermal expansion valve | |
| CN219623294U (en) | Valve device and air conditioning system | |
| CN221547846U (en) | Valve seat, flow control device and thermal management system | |
| CN218718460U (en) | Height adjusting valve group | |
| CN221698420U (en) | Suspension actuator system controlled by oil-gas mixing electronic pump valve | |
| CN208686688U (en) | Hydraulic control valve group based on electromagnetic type inserted valve | |
| CN203718077U (en) | Piston type balance valve | |
| CN213332384U (en) | Air conditioner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |