CN204592389U - A kind of two diaphragm electromagnetic valve - Google Patents
A kind of two diaphragm electromagnetic valve Download PDFInfo
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- CN204592389U CN204592389U CN201520167594.5U CN201520167594U CN204592389U CN 204592389 U CN204592389 U CN 204592389U CN 201520167594 U CN201520167594 U CN 201520167594U CN 204592389 U CN204592389 U CN 204592389U
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- valve
- diaphragm assembly
- solenoid valve
- port
- diaphragm
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Abstract
The utility model discloses a kind of two diaphragm electromagnetic valve, comprise valve body, first pilot solenoid valve, second pilot solenoid valve, primary diaphragm assembly, secondary diaphragm assembly and two energy-saving control modules, through hole valve body being provided with two air chambers and connecting with this 2 air chambers, primary diaphragm assembly and secondary diaphragm assembly are placed in two air chambers respectively, two energy-saving control modules are connected on the first pilot solenoid valve and the second pilot solenoid valve, first pilot solenoid valve is connected with valve body respectively with the control end of the second pilot solenoid valve, and the primary diaphragm assembly distinguished in corresponding control valve body and secondary diaphragm assembly, thus the corresponding opening and closing controlling 2 air chambers.The utility model adopts two diaphragm structure, make solenoid valve can provide large discharge under small-bore, and the flow expanding solenoid valve makes to enclose.Solenoid valve installs energy-saving control module additional, reduces the heating of coil, extend the working life of pilot valve.
Description
Technical field:
The utility model relates to a kind of two diaphragm electromagnetic valve, particularly a kind of two diaphragm electromagnetic valves that can be applied in magnetic suspension centrifugal blower.
Background technique:
Centrifugal blower is widely used in factory, mine, the ventilation of tunnel and building and dust discharge, is a kind ofly to consume electricity generator tool energy, thus improves gas pressure and to supply gas side by side the fluid machinery of body.The process need Controlling solenoid valve of the startup and shutdown of centrifugal blower carries out emptying.
Solenoid valve majority on existing centrifugal blower adopts single-iris solenoid valve, and solenoid valve single-iris emptying flow is limited, and the blower for large discharge needs the solenoid valve emptying using inside nominal diameter large; And solenoid valve is energized for a long time, coil heating seriously causes reduce working life.
Therefore, necessary the deficiency solving prior art is improved to prior art.
Model utility content:
The utility model provides a kind of two diaphragm electromagnetic valve to solve above-mentioned prior art Problems existing.
The technological scheme that the utility model adopts has: a kind of two diaphragm electromagnetic valve, comprise valve body, described valve body is provided with the through hole through this valve body, one end of described through hole is the import of valve body, the other end is the outlet of valve body, also comprise the first pilot solenoid valve, second pilot solenoid valve, primary diaphragm assembly and secondary diaphragm assembly, described primary diaphragm assembly and secondary diaphragm assembly are placed in valve body, described first pilot solenoid valve is connected with valve body respectively with the control end of the second pilot solenoid valve, and the primary diaphragm assembly distinguished in corresponding control valve body and secondary diaphragm assembly, described valve body is provided with the first port and the second port that connect with described through hole, covers the first valve gap on the first port and the second port and the second valve gap, and to be arranged in through hole and described through hole to be separated into the dividing plate of snout cavity and outlet plenum, form the first air chamber between described first valve gap and the first port, form the second air chamber between described second valve gap and the second port, the upper end of described dividing plate extends in the first air chamber, and lower end extends in the second air chamber, described primary diaphragm assembly is placed in the first air chamber, and with the phase pressing of dividing plate upper-end surface, described secondary diaphragm assembly is placed in the second air chamber, and with the phase pressing of dividing plate lower end surface, described first pilot solenoid valve is connected with the second valve gap with the first valve gap respectively with the control end of the second pilot solenoid valve, and corresponding control primary diaphragm assembly and secondary diaphragm assembly move up and down, thus corresponding control the first air chamber and the second air chamber opening and closing.
Further, described primary diaphragm assembly and secondary diaphragm assembly include the first laminate, the second laminate, screw and diaphragm, described diaphragm is fixed by screws between the first laminate and the second laminate, diaphragm outward edge in described primary diaphragm assembly is fixed on the junction of the first port and the first valve gap, and the diaphragm outward edge of described secondary diaphragm assembly is fixed on the junction of the second port and the second valve gap.
Further, the lower surface of the diaphragm in described primary diaphragm assembly is pressed together on the upper-end surface of dividing plate, and the upper surface of the diaphragm of described secondary diaphragm assembly is pressed together on the lower end surface of dividing plate.
Further, the inwall of described first port and the second port is respectively equipped with the supporting portion supporting primary diaphragm assembly and secondary diaphragm assembly.
Further, the lower support face of the supporting portion on the upper supporting surface of the supporting portion on described first port inner wall and the second port inner wall flushes with the upper and lower end face of dividing plate respectively.
Further, described first pilot solenoid valve and the second pilot solenoid valve are equipped with energy-saving control module.
The utility model has following beneficial effect:
(1) the utility model adopts two diaphragm structure, make solenoid valve can provide large discharge under small-bore, and the flow expanding solenoid valve makes to enclose;
(2) the utility model solenoid valve installs energy-saving control module additional, reduce the heating of coil, extend the working life of pilot valve.
Accompanying drawing illustrates:
Fig. 1 is the two diaphragm electromagnetic valve structural drawing of the utility model.
Wherein
1-valve body; 2-dividing plate; 4-first valve gap; 5-second valve gap; 6-first pilot solenoid valve; 61-primary diaphragm assembly; 7-second pilot solenoid valve; 71-secondary diaphragm assembly; 11-through hole; 12-import; 120-snout cavity; 13-exports; 130-outlet plenum; 14-first port; 140-energy-saving control module; 15-second port; 41-first air chamber; 51-second air chamber; 100-first laminate; 101-second laminate; 102-diaphragm; 110-supporting portion.
Embodiment:
Below in conjunction with accompanying drawing, the utility model is further described.
Please refer to Fig. 1, a kind of two diaphragm electromagnetic valve of the utility model, there is valve body 1, first pilot solenoid valve 6 and the second pilot solenoid valve 7, primary diaphragm assembly 61 and secondary diaphragm assembly 71 is provided with in valve body 1, first pilot solenoid valve 6 and the second pilot solenoid valve 7 respectively corresponding control primary diaphragm assembly 61 and secondary diaphragm assembly 71 move up and down in valve body 1, thus the opening and closing of control valve body 1.
In the utility model, valve body 1 is provided with the through hole 11 through this valve body, one end of this through hole 11 is the import 12 of valve body 1, the other end is the outlet 13 of valve body, valve body 1 is provided with the first port 4 and the second port one 5 connected with through hole 11, the first port 4 and the second port one 5 are respectively equipped with the first valve gap 4 and the second valve gap 5.Wherein formed between the first valve gap 4 and the first port 4 between first air chamber 41, second valve gap 5 and the second port one 5 and form the second air chamber 51.In the through hole 11 of valve body, be provided with dividing plate 2, through hole 11 left and right sides is separated into outlet plenum 130 and snout cavity 120 by dividing plate 2 respectively, and the upper end of dividing plate 2 extends in the first air chamber 41, and lower end extends in the second air chamber 51.The first air chamber 41 in the utility model connects with outlet plenum 130 and snout cavity 120 respectively, and the second air chamber 51 connects with outlet plenum 130 and snout cavity 120 respectively.
Primary diaphragm assembly 61 is arranged in the first air chamber 41, primary diaphragm assembly 61 comprises the first laminate 100, second laminate 101, screw and diaphragm 102, diaphragm 102 is fixed by screws between the first laminate 100 and the second laminate 101, the outward edge of diaphragm 102 is fixed on the junction of the first port 14 and the first valve gap 4, and the lower surface of diaphragm 102 is pressed together on the upper-end surface of dividing plate 2.
Secondary diaphragm assembly 71 is placed in the second air chamber 51, secondary diaphragm assembly 71 also comprises the first laminate 100, second laminate 101, screw and diaphragm 102, diaphragm 102 is fixed by screws between the first laminate 100 and the second laminate 101, the outward edge of diaphragm 102 is fixed on the junction of the second port one 5 and the second valve gap 5, and the upper surface of diaphragm 102 is pressed together on the lower end surface of dividing plate 2.
The utility model is in order to be supported in valve body 1 by corresponding with secondary diaphragm assembly 71 for primary diaphragm assembly 61 better, first port 14 of valve body 1 and the inwall of the second port one 5 are respectively equipped with the supporting portion 110 on supporting portion 110, first port 14 inwall of " L " shape and the supporting portion 110 on the second port one 5 inwall be used for respectively supporting primary diaphragm assembly 61 and secondary diaphragm assembly 71.Wherein, on the upper supporting surface of the supporting portion 110 on the first port 14 inwall and the second port one 5 inwall, the lower support face of supporting portion 110 flushes with the upper and lower end face of dividing plate 2 respectively.
First pilot solenoid valve 6 is connected with the second valve gap 5 with the first valve gap 4 respectively with the control end of the second pilot solenoid valve 7, and corresponding control primary diaphragm assembly 61 and secondary diaphragm assembly 71 move up and down, thus corresponding control the first air chamber 41 and the second air chamber 51 opening and closing.
When the first pilot solenoid valve 6 and the second pilot solenoid valve 7 dead electricity, the first air chamber 41 and the second air chamber 51 pressure are zero, the gas pressure in valve body 1 by primary diaphragm assembly 61 and secondary diaphragm assembly 71 jack-up simultaneously, through hole 11 evacuate air.When the first pilot solenoid valve 6 and the second pilot solenoid valve 7 obtain electric, primary diaphragm assembly 61 and secondary diaphragm assembly 71 are depressed by the gas pressure difference of the first air chamber 41 and the second air chamber 51 simultaneously, and through hole 11 stops emptying.
The utility model, in order to reduce the coil heating of above-mentioned two pilot valves, extends the working life that this states two pilot valves, and the first pilot solenoid valve 6 and the second pilot solenoid valve 7 are equipped with energy-saving control module 140.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art, can also make some improvement under the prerequisite not departing from the utility model principle, these improvement also should be considered as protection domain of the present utility model.
Claims (6)
1. a two diaphragm electromagnetic valve, comprise valve body (1), described valve body (1) is provided with the through hole (11) through this valve body, one end of described through hole (11) is the import (12) of valve body, the other end is the outlet (13) of valve body, it is characterized in that: also comprise the first pilot solenoid valve (6), second pilot solenoid valve (7), primary diaphragm assembly (61) and secondary diaphragm assembly (71), described primary diaphragm assembly (61) and secondary diaphragm assembly (71) are placed in valve body (1), described first pilot solenoid valve (6) is connected with valve body (1) respectively with the control end of the second pilot solenoid valve (7), and the primary diaphragm assembly (61) distinguished in corresponding control valve body (1) and secondary diaphragm assembly (71), described valve body (1) is provided with the first port (14) and the second port (15) that connect with described through hole (11), cover the first valve gap (4) on the first port (14) and the second port (15) and the second valve gap (5), and to be arranged in through hole (11) and described through hole (11) to be separated into the dividing plate (2) of snout cavity (120) and outlet plenum (130), the first air chamber (41) is formed between described first valve gap (4) and the first port (14), the second air chamber (51) is formed between described second valve gap (5) and the second port (15), the upper end of described dividing plate (2) extends in the first air chamber (41), and lower end extends in the second air chamber (51), described primary diaphragm assembly (61) is placed in the first air chamber (41), and with the phase pressing of dividing plate (2) upper-end surface, described secondary diaphragm assembly (71) is placed in the second air chamber (51), and with the phase pressing of dividing plate (2) lower end surface, described first pilot solenoid valve (6) is connected with the second valve gap (5) with the first valve gap (4) respectively with the control end of the second pilot solenoid valve (7), and corresponding control primary diaphragm assembly (61) and secondary diaphragm assembly (71) move up and down, thus corresponding control the first air chamber (41) and the second air chamber (51) opening and closing.
2. two diaphragm electromagnetic valve as claimed in claim 1, it is characterized in that: described primary diaphragm assembly (61) and secondary diaphragm assembly (71) include the first laminate (100), second laminate (101), screw and diaphragm (102), described diaphragm (102) is fixed by screws between the first laminate (100) and the second laminate (101), diaphragm (102) outward edge in described primary diaphragm assembly (61) is fixed on the junction of the first port (14) and the first valve gap (4), diaphragm (102) outward edge of described secondary diaphragm assembly (71) is fixed on the junction of the second port (15) and the second valve gap (5).
3. two diaphragm electromagnetic valve as claimed in claim 2, it is characterized in that: the lower surface of the diaphragm (102) in described primary diaphragm assembly (61) is pressed together on the upper-end surface of dividing plate (2), the upper surface of the diaphragm (102) of described secondary diaphragm assembly (71) is pressed together on the lower end surface of dividing plate (2).
4. two diaphragm electromagnetic valve as claimed in claim 3, is characterized in that: the inwall of described first port (14) and the second port (15) is respectively equipped with the supporting portion (110) supporting primary diaphragm assembly (61) and secondary diaphragm assembly (71).
5. diaphragm electromagnetic valve as claimed in claim 4 two, is characterized in that: the lower support face of the supporting portion (110) on the upper supporting surface of the supporting portion (110) on described first port (14) inwall and the second port (15) inwall flushes with the upper and lower end face of dividing plate (2) respectively.
6. two diaphragm electromagnetic valve as claimed in claim 1, is characterized in that: described first pilot solenoid valve (6) and the second pilot solenoid valve (7) are equipped with energy-saving control module (140).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520167594.5U CN204592389U (en) | 2015-03-24 | 2015-03-24 | A kind of two diaphragm electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520167594.5U CN204592389U (en) | 2015-03-24 | 2015-03-24 | A kind of two diaphragm electromagnetic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204592389U true CN204592389U (en) | 2015-08-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520167594.5U Active CN204592389U (en) | 2015-03-24 | 2015-03-24 | A kind of two diaphragm electromagnetic valve |
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| Country | Link |
|---|---|
| CN (1) | CN204592389U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104696544A (en) * | 2015-03-24 | 2015-06-10 | 南京磁谷科技有限公司 | Double-diaphragm electromagnetic valve |
-
2015
- 2015-03-24 CN CN201520167594.5U patent/CN204592389U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104696544A (en) * | 2015-03-24 | 2015-06-10 | 南京磁谷科技有限公司 | Double-diaphragm electromagnetic valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 99, Jinxin Middle Road, Jiangning District, Nanjing City, Jiangsu Province Patentee after: Nanjing Cigu Technology Co., Ltd Address before: Nine No. 211102 Bamboo Road, Jiangning Development Zone, Nanjing, Jiangsu, 100 Patentee before: NANJING CIGU LIMITED Corp. |
|
| CP03 | Change of name, title or address |