CN207034187U - A kind of magnetic valve - Google Patents
A kind of magnetic valve Download PDFInfo
- Publication number
- CN207034187U CN207034187U CN201720464550.8U CN201720464550U CN207034187U CN 207034187 U CN207034187 U CN 207034187U CN 201720464550 U CN201720464550 U CN 201720464550U CN 207034187 U CN207034187 U CN 207034187U
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- China
- Prior art keywords
- piston
- bonnet
- valve
- sleeve pipe
- magnetic valve
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Abstract
The utility model discloses a kind of magnetic valve, including main valve body, piston component, bonnet assemblies, coil assembly, import is set on the main valve body, outlet, connect the valve pocket of inlet and outlet, the connector connected with valve pocket, the bonnet assemblies include bonnet, sleeve pipe, the bonnet is connected with connector, the piston component includes being used for the first piston for opening and closing valve port, the first piston be provided with axially through the first pilot valve mouth and the first balance pipe, the first piston is connected with the first piston spring for making first piston away from valve port, the piston component also includes the second piston for opening and closing the first pilot valve mouth, the second piston be provided with axially through the second pilot valve mouth and the second balance pipe, the second piston, which is connected with, makes second piston spring of the second piston away from the first pilot valve mouth.The utility model can ensure opening and closing of the magnetic valve under 0 pressure difference, so as to realize that minimum valve opening pressure difference is zero.
Description
Technical field
It the utility model is related to air-conditioning valve technology field, and in particular to magnetic valve.
Background technology
The magnetic valve pilot valve mouth of traditional one-level guide structure is big, and (coil power is high or highest action is pressed for valve opening ability
Difference is small).For the magnetic valve of two-stage guide structure, valve opening under 0 pressure difference can not be realized.
Utility model content
Technical problem to be solved in the utility model is just to provide a kind of magnetic valve that 0 pressure difference valve opening can be achieved.
In order to solve the above technical problems, the utility model adopts the following technical scheme that：A kind of magnetic valve, including main valve body,
Piston component, bonnet assemblies, coil assembly, set on the main valve body import, outlet, the valve pocket for connecting inlet and outlet, with
The connector of valve pocket connection, the bonnet assemblies include bonnet, the sleeve pipe that upper end is fixedly connected with the bonnet, positioned at the set
Interior or part is managed in described sleeve pipe and is fixed on the attractor of described sleeve pipe upper end, can be slided in described sleeve pipe
Core iron, the core iron spring between the core iron and attractor, the bonnet are connected with connector, the coil assembly installation
On the outside of bonnet, the outlet is connected by valve port with valve pocket, and the piston component slides along bonnet, and the piston component includes
For opening and closing the first piston of valve port, the first piston be provided with axially through the first pilot valve mouth and the first balance pipe, it is described
First piston is connected with the first piston spring for making first piston away from valve port, and the piston component also includes opening and closing the first pilot valve
Mouthful second piston, the second piston be provided with axially through the second pilot valve mouth and the second balance pipe, the second piston connects
Being connected to makes second piston spring of the second piston away from the first pilot valve mouth, and core iron is slided in sleeve pipe to open and close the second pilot valve mouth.
Preferably, the collar is provided with the bonnet, the second piston is slided in the collar.
Preferably, the bonnet, the collar and sleeve pipe are coaxially disposed and are welded as a whole.
Preferably, the bonnet is provided with the first hollow cavity and the second hollow cavity, the lower end insertion second of described sleeve pipe
Hollow cavity, the abutment end of second hollow cavity and the first hollow cavity are provided with baffle ring, and the outer wall of the collar is provided with convex
Edge, the bottom surface of the flange are positioned on baffle ring.
Preferably, the lower end port of described sleeve pipe is positioned on flange.
Preferably, the lower end port inwall of the collar is provided with positioning step, press fitting one and the on the positioning step
The back-up ring that two piston springs elasticity abuts.
Preferably, the bonnet threaded engagement is in connector and bonnet upper surface is concordant with main valve body upper surface.
Preferably, the coil assembly includes coil windings and coil mounting bracket, the coil mounting bracket by screw with
Main valve body is fixed.
Preferably, the first piston is provided with piston ring, and the piston ring is provided with jump ring.
Preferably, the centre of the second piston is provided with the second sealing gasket, the second pilot valve mouth and the second balance
Hole is opened on the second sealing gasket.
The technical solution adopted in the utility model, when valve opening pressure difference is 0, coil windings are powered, the upward adhesive of core iron, the
Two pistons move upward to upper limit under the elastic force effect of second piston spring, while first piston is in first piston spring
Upper limit is moved upward under elastic force effect, so as to realize the valve opening under 0 pressure difference.Under 0 pressure difference, when closing valve, coil windings power-off,
Core iron moves downward under core iron spring effect, closes the second pilot valve mouth, then promotes second piston to move downward, and closes first
Pilot valve mouth, finally promote first piston to move downward, close port, realize that main valve is closed.Therefore, the utility model can ensure
Opening and closing of the magnetic valve under 0 pressure difference, so as to realize that minimum valve opening pressure difference is zero.
Brief description of the drawings
The utility model is further described with reference to the accompanying drawings and detailed description：
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of bonnet assemblies；
Fig. 3 is the structural representation of first piston；
Fig. 4 is the structural representation of piston ring；
Fig. 5 is the structural representation of second piston.
Embodiment
The technical scheme of the utility model embodiment is explained with reference to the accompanying drawing of the utility model embodiment and
Illustrate, but following embodiments are only preferred embodiment of the present utility model, and it is not all.Based on the embodiment in embodiment,
Those skilled in the art obtain other embodiment on the premise of creative work is not made, and belong to of the present utility model
Protection domain.
A kind of magnetic valve as depicted in figs. 1 and 2, including main valve body 5, piston component, bonnet assemblies 3, coil assembly 4,
The valve pocket 53 of import 51, outlet 52, connection import 51 and outlet 52, the connection connected with valve pocket 53 are set on the main valve body 5
Mouthful.Exemplified by shown in Fig. 1, connector is located at the upside of main valve body 5.The bonnet assemblies 3 include bonnet 31, lower end and the valve
Cover be fixedly connected sleeve pipe 33, in described sleeve pipe or part in the described sleeve pipe and is fixed on described sleeve pipe upper end
Attractor 36, core iron 34, the core iron spring 35 between the core iron and attractor that can be slided in described sleeve pipe, institute
State bonnet 31 to be connected with connector, the coil assembly 4 is installed on the outside of bonnet, and the outlet 52 passes through valve port 24 and valve pocket 53
Connection, the piston component slide in bonnet 31.
The present embodiment uses two-stage guide structure, and wherein piston component includes first order piston element 1 and second level piston
Part 2.Wherein, first order piston element 1 is used for opening and closing valve port 24, and as shown in figures 1 and 3, first order piston element 1 includes the
One piston 11, the first sealing gasket 12 in first piston bottom groove, the pad for being fixed the first sealing gasket 12
13.The first piston 11 be provided with axially through the first pilot valve mouth 111 and the first balance pipe 112, the first piston 11 connects
It is connected to the first piston spring 16 for making first piston away from valve port.
As shown in Figure 3 and Figure 4, for sealing sliding part, the outer wall for sealing sliding part is provided with neck on the top of first piston
113, neck 113 is interior to be provided with piston ring 14.The inwall of piston ring 14 is provided with jump-ring slot, and jump ring 15 is provided with jump-ring slot.Piston ring
14 add the design of jump ring 15, can reduce the uncontrollable leakage between piston and bonnet, can make valve in various bad working environments
With good leakage control is remained in that after the life-span, increase Reliability of Microprocessor and the life-span of valve.
Second level piston element 2 is used to open and close the first pilot valve mouth 111.As shown in figure 5, second level piston element 2 includes the
Two pistons 21, the centre of second piston is step through-hole, and the second sealing gasket 22, the second sealing gasket are provided with step through-hole
Opened up on 22 axially through the second pilot valve mouth 221 and the second balance pipe 222.Second sealing gasket 22 can be by mould molding, therefore
It can be completed with one-shot forming, avoid the cumbersome of common process secondary drilling.Second piston 21, which is connected with, makes second piston away from
The second piston spring 23 of one pilot valve mouth, core iron 34 are slided to open and close the second pilot valve mouth 222 in sleeve pipe 33.
In the two-stage guide structure, the first pilot valve mouth 111 can support larger pilot valve mouth, it is ensured that first order piston element
Reliable in action.Second piston 21 is smaller with respect to first piston 11, and piston leakage is small, less pilot valve mouth can be supported, so as to open
The difference force that valve is overcome is small, lifts valve opening ability, maximum valve opening pressure difference is lifted in the case where coil power is constant, in maximum
Coil power is reduced in the case that valve opening pressure difference is constant.
As shown in Fig. 2 being provided with the collar 32 in the bonnet 31, the second piston 21 is slided in the collar 32.The valve
Lid 31, the collar 32 and sleeve pipe 33 are coaxially disposed and weld to form integrative-structure.Further, it is hollow to be provided with first for the bonnet 31
The hollow cavity of cavity 311 and second, second hollow cavity and the first hollow cavity abutment end are provided with baffle ring 312, the set
The outer wall of ring is provided with flange 321, and the flange 321 is positioned on baffle ring 312.The lower end port of described sleeve pipe is positioned at flange
On 321.So, the axial location of bonnet 31, the collar 32 and sleeve pipe 33 is fixed, and is easy to assemble and is welded to form entirety.First lives
Cavity inner wall is slidingly sealed cooperation in the sealing sliding part and first in portion beyond the Great Wall.As shown in figure 3, in being slidingly sealed inside portion and being provided with
Cavity 114, the bottom insertion of the collar are slidingly sealed in portion in cavity 114, so, bonnet 31 and the collar 32 and first piston 11
Between form compact space structure.
And in order to limit second piston spring 23, the lower end port inwall of the collar is provided with positioning step, the positioning step
One back-up ring 37 abutted with second piston spring of upper press fitting.The fixed form of back-up ring 37 can be interference, riveting or
Welding.
In addition, for the ease of assembling, is provided with internal thread in connector, the threaded engagement of bonnet 31 in connector, bonnet and
O-ring 38 is provided between connector.Coil assembly 4 includes coil windings 41 and installs the coil mounting bracket 42 of coil windings, line
Circle mounting bracket 42 is fixed by screw 43 and main valve body 5.In this manner it is ensured that coil assembly 4 fastens with main valve body and without relative
Rotate, shock resistance is good.Moreover, bonnet upper surface is concordant with main valve body upper surface, in order to install coil assembly 4.
When valve opening pressure difference is 0, coil windings 41 are powered, and 34 upward adhesive of core iron, second piston 21 is in second piston bullet
Move upward to upper limit under the elastic force effect of spring 23, at the same first piston 11 under the elastic force effect of first piston spring 16 to
On move to upper limit, so as to realize the valve opening under 0 pressure difference.Under 0 pressure difference, when closing valve, coil windings 41 power off, and core iron 34 is in core
Iron spring 35 moves downward under acting on, and closes the second pilot valve mouth 221, then promotes second piston 21 to move downward, and closes first
Pilot valve mouth 111, finally promote first piston 11 to move downward, close port 24, realize that main valve is closed.It is it may therefore be assured that electric
Opening and closing of the magnet valve under 0 pressure difference, so as to realize that minimum valve opening pressure difference is zero.
It is described above, only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
In this, it is familiar with the those skilled in the art and should be understood that the utility model includes but is not limited to accompanying drawing and above specific embodiment party
Content described in formula.Any modification without departing from function and structure principle of the present utility model is intended to be included in claims
Scope in.
Claims (10)
- Set 1. a kind of magnetic valve, including main valve body, piston component, bonnet assemblies, coil assembly, on the main valve body import, Outlet, valve pocket, the connector that is connected with valve pocket of connection inlet and outlet, the bonnet assemblies including bonnet, upper end with it is described Sleeve pipe that bonnet is fixedly connected, in described sleeve pipe or part in described sleeve pipe and is fixed on described sleeve pipe upper end Attractor, core iron, the core iron spring between the core iron and attractor that can be slided in described sleeve pipe, the bonnet It is connected with connector, the coil assembly is installed on the outside of bonnet, and the outlet is connected by valve port with valve pocket, and its feature exists In：The piston component slides along bonnet, and the piston component includes being used for the first piston for opening and closing valve port, the first piston Provided with axially through the first pilot valve mouth and the first balance pipe, the first piston is connected with make first piston away from valve port One piston spring, the piston component also include the second piston for opening and closing the first pilot valve mouth, and the second piston, which is provided with, axially passes through The second logical pilot valve mouth and the second balance pipe, the second piston are connected with make second piston away from the first pilot valve mouth second and lived Spring is filled in, core iron is slided in sleeve pipe to open and close the second pilot valve mouth.
- A kind of 2. magnetic valve according to claim 1, it is characterised in that：The collar is provided with the bonnet, described second lives Plug slides in the collar.
- A kind of 3. magnetic valve according to claim 2, it is characterised in that：The bonnet, the collar and sleeve pipe are coaxially disposed simultaneously It is welded as a whole.
- A kind of 4. magnetic valve according to claim 3, it is characterised in that：The bonnet is provided with the first hollow cavity and second The second hollow cavity is inserted in hollow cavity, the lower end of described sleeve pipe, and second hollow cavity connects with the first hollow cavity End is provided with baffle ring, and the outer wall of the collar is provided with flange, and the bottom surface of the flange is positioned on baffle ring.
- A kind of 5. magnetic valve according to claim 4, it is characterised in that：The lower end port of described sleeve pipe is positioned at flange On.
- A kind of 6. magnetic valve according to claim 2, it is characterised in that：The lower end port inwall of the collar is provided with positioning Step, a back-up ring abutted with second piston spring is pressed on the positioning step.
- A kind of 7. magnetic valve according to claim 1 to 6 any one, it is characterised in that：The bonnet threaded engagement exists In connector and bonnet upper surface is concordant with main valve body upper surface.
- A kind of 8. magnetic valve according to claim 7, it is characterised in that：The coil assembly includes coil windings and coil Mounting bracket, the coil mounting bracket are fixed by screw and main valve body.
- A kind of 9. magnetic valve according to claim 7, it is characterised in that：The first piston is provided with piston ring, described Piston ring is provided with jump ring.
- A kind of 10. magnetic valve according to claim 7, it is characterised in that：The centre of the second piston is provided with the Two sealing gaskets, the second pilot valve mouth and the second balance pipe are opened on the second sealing gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720464550.8U CN207034187U (en) | 2017-04-28 | 2017-04-28 | A kind of magnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720464550.8U CN207034187U (en) | 2017-04-28 | 2017-04-28 | A kind of magnetic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207034187U true CN207034187U (en) | 2018-02-23 |
Family
ID=61479597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720464550.8U Active CN207034187U (en) | 2017-04-28 | 2017-04-28 | A kind of magnetic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207034187U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110242784A (en) * | 2018-03-09 | 2019-09-17 | 盾安汽车热管理科技有限公司 | A kind of combination solenoid valve and automotive thermal tube manage system |
| CN110792786A (en) * | 2018-08-01 | 2020-02-14 | 盾安环境技术有限公司 | Electromagnetic valve |
| CN111536187A (en) * | 2020-05-11 | 2020-08-14 | 中航飞机起落架有限责任公司 | Valve body assembly and damping valve |
| CN111720565A (en) * | 2019-03-19 | 2020-09-29 | 浙江盾安禾田金属有限公司 | Electromagnetic valve |
| CN112303317A (en) * | 2019-07-29 | 2021-02-02 | 浙江三花制冷集团有限公司 | Pilot-operated type electromagnetic valve |
| CN113074256A (en) * | 2020-01-03 | 2021-07-06 | 盾安环境技术有限公司 | Electromagnetic valve |
| CN114263783A (en) * | 2022-01-27 | 2022-04-01 | 刘文华 | Valve plate opening and closing type sealing device |
-
2017
- 2017-04-28 CN CN201720464550.8U patent/CN207034187U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110242784A (en) * | 2018-03-09 | 2019-09-17 | 盾安汽车热管理科技有限公司 | A kind of combination solenoid valve and automotive thermal tube manage system |
| CN110792786A (en) * | 2018-08-01 | 2020-02-14 | 盾安环境技术有限公司 | Electromagnetic valve |
| CN110792786B (en) * | 2018-08-01 | 2021-09-28 | 盾安环境技术有限公司 | Electromagnetic valve |
| CN111720565A (en) * | 2019-03-19 | 2020-09-29 | 浙江盾安禾田金属有限公司 | Electromagnetic valve |
| CN112303317A (en) * | 2019-07-29 | 2021-02-02 | 浙江三花制冷集团有限公司 | Pilot-operated type electromagnetic valve |
| CN113074256A (en) * | 2020-01-03 | 2021-07-06 | 盾安环境技术有限公司 | Electromagnetic valve |
| CN111536187A (en) * | 2020-05-11 | 2020-08-14 | 中航飞机起落架有限责任公司 | Valve body assembly and damping valve |
| CN111536187B (en) * | 2020-05-11 | 2022-04-08 | 中航飞机起落架有限责任公司 | Valve body assembly and damping valve |
| CN114263783A (en) * | 2022-01-27 | 2022-04-01 | 刘文华 | Valve plate opening and closing type sealing device |
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| GR01 | Patent grant |