CN203656212U - Large-diameter zero voltage difference electromagnetic valve - Google Patents
Large-diameter zero voltage difference electromagnetic valve Download PDFInfo
- Publication number
- CN203656212U CN203656212U CN201420033551.3U CN201420033551U CN203656212U CN 203656212 U CN203656212 U CN 203656212U CN 201420033551 U CN201420033551 U CN 201420033551U CN 203656212 U CN203656212 U CN 203656212U
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- China
- Prior art keywords
- valve
- diaphragm
- coil
- iron core
- movable core
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- 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 - Lifetime
Links
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 238000004806 packaging method and process Methods 0.000 claims description 16
- 239000000853 adhesive Substances 0.000 claims description 10
- 230000001070 adhesive effect Effects 0.000 claims description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 18
- 238000002955 isolation Methods 0.000 abstract 2
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model provides a large-diameter zero voltage difference electromagnetic valve which comprises a valve body, a valve cover and a driving device. The valve body is connected with the valve cover through a screw in a sealing mode. A valve port is arranged in the upper end of the valve body. The driving device is arranged at the upper end of the valve cover and comprises a movable iron core, a coil, a spring, a fixed iron core, a coil plastic package, a magnet isolation pipe seat and a framework. The magnet isolation pipe seat and the coil plastic package are arranged at the upper end of the valve cover. The framework is arranged in the coil plastic package. A through hole is formed in the framework in the axial direction. The upper end of the fixed iron core is fixed with the coil plastic package, and the lower end of the fixed iron core is connected with the movable iron core. The movable iron core is arranged in the through hole in a vertical moving mode. The upper end of the spring is connected with the fixed iron core, and the lower end of the spring is connected with the movable iron core. The coil is arranged in the space formed by matching of the framework and the coil plastic package in a rotating mode. A valve guide port, a pull spring, a press plate, a diaphragm and a base plate are arranged at the lower end of the movable iron core. The press plate is arranged on the diaphragm to help sealing of the diaphragm. The shape of the suction end face is isosceles trapezoid, so that suction force between the suction end face and the iron cores is improved.
Description
Technical field
The utility model relates to Solenoid Valve Technology field, relates in particular to a kind of heavy caliber zero pressure difference solenoid valve.
Background technique
Solenoid valve is the industry equipment by Electromagnetic Control, is the automation foundation element for controlling fluid, belongs to final controlling element, is not limited to hydraulic pressure, pneumatic.Be used in direction, flow, speed and other the parameter of in industrial control system, adjusting medium.Solenoid valve can coordinate different circuit to realize the control of expection, and precision and the flexibility controlled can both ensure.Existing solenoid valve diaphragm seal weak effect, between iron core, the suction-combining force is smaller.
Model utility content
(1) technical problem that will solve
Problem to be solved in the utility model is to provide a kind of heavy caliber zero pressure difference solenoid valve, to overcome diaphragm seal weak effect in prior art, and the smaller defect of the suction-combining force between iron core.
(2) technological scheme
For solveing the technical problem, the utility model provides a kind of heavy caliber zero pressure difference solenoid valve, comprises valve body, valve gap and drive unit; Described valve body and described valve cover screw are tightly connected; Described valve body upper end is provided with valve port; Described drive unit is arranged on described valve gap upper end, and described drive unit comprises movable core, coil, spring, secured core, coil plastic packaging, plunger tube seat and skeleton; Described plunger tube seat and described coil plastic packaging are equipped with in described valve gap upper end; Described skeleton is arranged in described coil plastic packaging, and described skeleton is axially arranged with through hole; Described secured core upper end and described coil plastic packaging are fixed, and lower end extends in described through hole; Described movable core is moving up and down to be arranged in described through hole; Described spring upper end is connected with described secured core, and lower end is connected with described movable core; Described coil is rotating to be arranged on described skeleton and to coordinate with described coil plastic packaging in the space forming; Described movable core lower end is provided with pilot valve mouth, extension spring, pressing plate, diaphragm and base plate; Described extension spring upper end is connected with described movable core bottom, and lower end is connected with described pilot valve mouth; Described pressing plate, diaphragm and base plate seal and are fixed on described pilot valve mouth lower end respectively from top to bottom successively; Utilize described extension spring that described diaphragm is held; The sealing of described diaphragm outer ring is arranged between described valve body and valve gap fixes described diaphragm, and described diaphragm is corresponding with described valve port.
Further, the adhesive end surface shape of described movable core and described secured core is isosceles trapezoid.
Further, described diaphragm middle part is to lower recess.
Further, described solenoid valve also comprises fixture block, and described fixture block is arranged in the groove of bottom, described movable core lower end, and described fixture block lower end surface contacts with described pilot valve mouth.
Further, described pressing plate, diaphragm and base plate are fixed on described pilot valve mouth lower end with screw sealing respectively successively from top to bottom.
Further, described diaphragm outer ring and O type circle fitted seal are arranged between described valve body and valve gap.
(3) beneficial effect
Heavy caliber zero pressure difference solenoid valve of the present utility model, simple in structure, on diaphragm, be provided with pressing plate, help diaphragm seal; Pilot valve mouth is connected with extension spring with movable core, gets rid of part air on diaphragm while making iron core adhesive, diaphragm pull-up, simple and practical together; Adhesive end surface shape is that isosceles trapezoid increases the suction-combining force between iron core.
Brief description of the drawings
Fig. 1 is the structural representation of a kind of heavy caliber zero pressure difference of the utility model solenoid valve;
Fig. 2 is the partial enlarged drawing of A in Fig. 1;
Fig. 3 is the partial enlarged drawing of B in Fig. 1;
Structural representation when Fig. 4 is the use of a kind of heavy caliber zero pressure difference of the utility model solenoid valve.
In figure, 1 is valve body, and 2 is valve gap, and 3 is movable core, 4 is coil, and 5 is spring, and 6 is secured core, and 7 is coil plastic packaging, 8 is plunger tube seat, and 9 is skeleton, and 10 is through hole, and 11 is pilot valve mouth, 12 is extension spring, and 13 is pressing plate, and 14 is diaphragm, and 15 is valve port, 16 is base plate, and 17 is adhesive end face, and 18 is fixture block, 19 is O type circle, and 20 is first flow, and 21 is the second runner.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples are used for illustrating the utility model, but are not used for limiting scope of the present utility model.
As shown in Figure 1 to Figure 3, a kind of heavy caliber zero pressure difference solenoid valve of the present utility model, comprises valve body 1, valve gap 2 and drive unit; Described valve body 1 is tightly connected with described valve gap 2 use screws; Described valve body 1 upper end is provided with valve port 15.Described drive unit is arranged on described valve gap 2 upper ends, and described drive unit comprises movable core 3, coil 4, spring 5, secured core 6, coil plastic packaging 7, plunger tube seat 8 and skeleton 9; Described plunger tube seat 8 is equipped with in described valve gap 2 upper ends with described coil plastic packaging 7; Described skeleton 9 is arranged in described coil plastic packaging 7, and described skeleton 9 is axially arranged with through hole 10; Described secured core 6 upper ends and described coil plastic packaging 7 are fixing, and lower end extends in described through hole 10; Described movable core 3 is moving up and down to be arranged in described through hole 10; Described spring 5 upper ends are connected with described secured core 6, and lower end is connected with described movable core 3; Described coil 4 is rotating to be arranged on described skeleton 9 and to coordinate with described coil plastic packaging 7 in the space forming.Described movable core 3 lower ends are provided with pilot valve mouth 11, extension spring 12, pressing plate 13, diaphragm 14 and base plate 16; Described extension spring 12 upper ends are connected with described movable core 3 bottoms, and lower end is connected with described pilot valve mouth 11; Described pressing plate 13, diaphragm 14 and base plate 16 seal and are fixed on described pilot valve mouth 11 lower ends respectively from top to bottom successively; Utilize described extension spring 12 that described diaphragm 14 is held; Described diaphragm 14 outer ring sealings are arranged between described valve body 1 and valve gap 2 fixes described diaphragm 14, and described diaphragm 14 is corresponding with described valve port 15.On diaphragm 14, be provided with pressing plate 13, help diaphragm 14 to seal; Pilot valve mouth 11 is connected with movable core 3 use extension springs 12, gets rid of part air on diaphragm 14 while making iron core adhesive, together diaphragm 14 pull-ups.
Described movable core 3 is shaped as isosceles trapezoid with the adhesive end face 17 of described secured core 6, and adhesive end face 17 is shaped as isosceles trapezoid increases the suction-combining force between iron core.The loss of power, to lower recess, is reduced in described diaphragm 14 middle parts when diaphragm 14 is moved.Described solenoid valve also comprises fixture block 18, and described fixture block 18 is arranged in the groove of described movable core 3 bottoms, lower end, and described fixture block 18 lower end surfaces contact with described pilot valve mouth 11.Described pressing plate 13, diaphragm 14 and base plate 16 are fixed on described pilot valve mouth 11 lower ends with screw sealing respectively successively from top to bottom.Described diaphragm 14 outer rings and O type circle 19 fitted seal are arranged between described valve body 1 and valve gap 2.
Described valve body 1 comprises first flow 20 and the second runner 21, and described first flow 20, valve port 15 and the second runner 21 are interconnected, and when solenoid valve is not worked, described diaphragm 14 seals described valve port 15.
As shown in Figure 4, working principle of the present utility model is: in coil 4, have electric current by time produce electromagnetic force, movable core 3 moves upward under the effect of electromagnetic force, movable core 3 is fitted with secured core 6, movable core 3 is with dynamic diaphragm 14 to move upward, valve port 15 is opened, and first flow 20, valve port 15 and the second runner 21 are interconnected, and water enters and flows to the second runner 21 from first flow 20.While work, circuit disconnects, coil 4 no electric circuits, and movable core 3 and diaphragm 14 return to original position, and diaphragm 14 seals valve port 15.
Heavy caliber zero pressure difference solenoid valve of the present utility model, simple in structure, on diaphragm, be provided with pressing plate, help diaphragm seal; Pilot valve mouth is connected with extension spring with movable core, gets rid of part air on diaphragm while making iron core adhesive, diaphragm pull-up, simple and practical together; Adhesive end surface shape is that isosceles trapezoid increases the suction-combining force between iron core.
In sum, above-mentioned mode of execution is not restricted mode of execution of the present utility model, and the modification that all those skilled in the art carry out on the basis of flesh and blood of the present utility model or equivalent deformation, all at technology category of the present utility model.
Claims (6)
1. a heavy caliber zero pressure difference solenoid valve, is characterized in that: comprise valve body (1), valve gap (2) and drive unit;
Described valve body (1) is tightly connected with screw with described valve gap (2); Described valve body (1) upper end is provided with valve port (15); Described drive unit is arranged on described valve gap (2) upper end, and described drive unit comprises movable core (3), coil (4), spring (5), secured core (6), coil plastic packaging (7), plunger tube seat (8) and skeleton (9); Described plunger tube seat (8) is equipped with in described valve gap (2) upper end with described coil plastic packaging (7); Described skeleton (9) is arranged in described coil plastic packaging (7), and described skeleton (9) is axially arranged with through hole (10); Described secured core (6) upper end and described coil plastic packaging (7) are fixing, and lower end extends in described through hole (10); Described movable core (3) is moving up and down to be arranged in described through hole (10); Described spring (5) upper end is connected with described secured core (6), and lower end is connected with described movable core (3); The rotating described skeleton (9) that is arranged on of described coil (4) coordinates with described coil plastic packaging (7) in the space forming;
Described movable core (3) lower end is provided with pilot valve mouth (11), extension spring (12), pressing plate (13), diaphragm (14) and base plate (16); Described extension spring (12) upper end is connected with described movable core (3) bottom, and lower end is connected with described pilot valve mouth (11); Described pressing plate (13), diaphragm (14) and base plate (16) seal and are fixed on described pilot valve mouth (11) lower end respectively from top to bottom successively; Utilize described extension spring (12) that described diaphragm (14) is held; The sealing of described diaphragm (14) outer ring is arranged between described valve body (1) and valve gap (2) fixes described diaphragm (14), and described diaphragm (14) is corresponding with described valve port (15).
2. heavy caliber zero pressure difference solenoid valve according to claim 1, is characterized in that: described movable core (3) is shaped as isosceles trapezoid with the adhesive end face (17) of described secured core (6).
3. heavy caliber zero pressure difference solenoid valve according to claim 1, is characterized in that: described diaphragm (14) middle part is to lower recess.
4. heavy caliber zero pressure difference solenoid valve according to claim 1, it is characterized in that: described solenoid valve also comprises fixture block (18), described fixture block (18) is arranged in the groove of bottom, described movable core (3) lower end, and described fixture block (18) lower end surface contacts with described pilot valve mouth (11).
5. heavy caliber zero pressure difference solenoid valve according to claim 1, is characterized in that: described pressing plate (13), diaphragm (14) and base plate (16) are fixed on described pilot valve mouth (11) lower end with screw sealing respectively successively from top to bottom.
6. according to the heavy caliber zero pressure difference solenoid valve described in claim 1 to 5 any one, it is characterized in that: described diaphragm (14) outer ring and O type circle (19) fitted seal are arranged between described valve body (1) and valve gap (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420033551.3U CN203656212U (en) | 2014-01-20 | 2014-01-20 | Large-diameter zero voltage difference electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420033551.3U CN203656212U (en) | 2014-01-20 | 2014-01-20 | Large-diameter zero voltage difference electromagnetic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203656212U true CN203656212U (en) | 2014-06-18 |
Family
ID=50922600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420033551.3U Expired - Lifetime CN203656212U (en) | 2014-01-20 | 2014-01-20 | Large-diameter zero voltage difference electromagnetic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203656212U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106015632A (en) * | 2016-08-04 | 2016-10-12 | 苏州科迪流体控制设备有限公司 | Totally enclosed type magnetic double-adjustment diaphragm valve |
| CN114263783A (en) * | 2022-01-27 | 2022-04-01 | 刘文华 | Valve plate opening and closing type sealing device |
-
2014
- 2014-01-20 CN CN201420033551.3U patent/CN203656212U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106015632A (en) * | 2016-08-04 | 2016-10-12 | 苏州科迪流体控制设备有限公司 | Totally enclosed type magnetic double-adjustment diaphragm valve |
| CN114263783A (en) * | 2022-01-27 | 2022-04-01 | 刘文华 | Valve plate opening and closing type sealing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Xiao Dong Industrial Park in Yuyao city of Zhejiang province in 315400 River Street in Ningbo City Patentee after: NINGBO JIAYIN ELECTRICAL AND MECHANICAL TECHNOLOGY Co.,Ltd. Address before: Xiao Dong Industrial Park in Yuyao city of Zhejiang province in 315400 River Street in Ningbo City Patentee before: Ningbo Jiayin Electro Mechanical Technology Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20140618 |
|
| CX01 | Expiry of patent term |