CN203641586U - Experiment electromagnetic valve - Google Patents
Experiment electromagnetic valve Download PDFInfo
- Publication number
- CN203641586U CN203641586U CN201420018796.9U CN201420018796U CN203641586U CN 203641586 U CN203641586 U CN 203641586U CN 201420018796 U CN201420018796 U CN 201420018796U CN 203641586 U CN203641586 U CN 203641586U
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- Prior art keywords
- valve body
- main valve
- auxiliary
- valve
- auxiliary valve
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- Withdrawn - After Issue
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Abstract
The utility model relates to an electromagnetic valve, in particular to an adjustable direct-acting type experiment electromagnetic valve. The experiment electromagnetic valve comprises a main valve body with a main valve element, and an auxiliary valve body with an auxiliary valve element. The auxiliary valve body is axially parallel with the main valve body. The auxiliary valve body is provided with an air inlet, an air outlet and an emptying opening. The same ends of the main valve body and the auxiliary valve body are respectively matched with a drive coil and an experiment button. The experiment electromagnetic valve is characterized in that the other end of the auxiliary valve body is matched with an adjustable throttling knob, and the main valve element and the auxiliary valve element are identical in structure. The experiment electromagnetic valve has the advantages that the valve is applicable of turbine air exhaust check valve activities of different cylinder diameters and different distances and under different working conditions and unique in structure, air cylinder reliability is guaranteed, air cylinder spring failure is prevented, elastic force insufficiency of the spring can be discovered timely, and up-down movement of an air cylinder piston is achieved through airflow pressure relief of the main valve.
Description
Technical field
The utility model relates to a kind of solenoid valve, especially relates to a kind of straight-adjustable dynamic formula, is applicable to different cylinder diameters, different distance, the test solenoid valve of the bleeder steam non-return flap activity of different working conditions.
Background technique
After the effect of non-return flap of bleeding is halt turbines, the non-return flap of bleeding is closed, and prevents from extraction steam pipe that steam flows backwards to cause unit driving, and after being exactly in addition the action of heater full water, the interlock non-return flap that draws gas is closed, and anti-sealing is poured steam turbine into and made turbine water induction.It is one critical valves of protection steam turbine.Closing by single-acting cylinder of this valve carried out.Single-acting cylinder in working order in its spring be under the pressure of air pressure for a long time in compressive state, spring is for a long time in compressive state, will there will be fatigue and follows the string.
Up to the present also do not have to ensure the reliable of cylinder, prevent cylinder spring failure, and find in time the solenoid valve of spring force deficiency.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, a kind of structure uniqueness is provided, ensures that cylinder is reliable, prevent cylinder spring failure, and find in time spring force deficiency, by the pressure release of main valve air-flow, realize the test solenoid valve moving up and down of cylinder piston.
The utility model is realized in the following way:
A kind of test solenoid valve, it comprise with the main valve body of main valve plug and with the auxiliary valve body with auxiliary valve core of its parallel to an axis, auxiliary valve body is with suction port, air outlet and evacuation port, same one end of main valve body and auxiliary valve body is combined with respectively drive coil and test button, it is characterized in that: the auxiliary valve body the other end is combined with adjustable knob, above-mentioned main valve plug is identical with auxiliary valve core structure;
Left side between described main valve plug and main valve housing is combined with spring, between described auxiliary valve core and secondary valve pocket, the left and right sides is all combined with spring, between described main valve plug and main valve housing, be equipped with between auxiliary valve core and secondary valve pocket between the equal polishing of micro-gap and their surface and they and be all combined with "O"-ring;
Described adjustable knob axially and described main valve plug axial vertical, described suction port, air outlet and evacuation port are connected by Guan Siyu exterior tube;
The parallel to an axis of the axial and described main valve plug of described adjustable knob, described suction port, air outlet and evacuation port and the suction port of bleeding on non-return flap cylinder upper cover, air outlet and evacuation port are corresponding one by one, connect as one with bolt and cylinder by the sealing of O RunddichtringO;
Described adjustable knob seals with O type circle;
Described main valve body and described auxiliary valve body are bolted.
Described main valve body and auxiliary valve body are direct action solenoid valve.
The utility model has following effect:
1) structure uniqueness: the solenoid valve that the utility model provides it comprise with the main valve body of main valve plug and with the auxiliary valve body with auxiliary valve core of its parallel to an axis, auxiliary valve body is with suction port, air outlet and evacuation port, same one end of main valve body and auxiliary valve body is combined with respectively drive coil and test button, it is characterized in that: the auxiliary valve body the other end is combined with adjustable knob, above-mentioned main valve plug is identical with auxiliary valve core structure, left side between described main valve plug and main valve housing is combined with spring, between described auxiliary valve core and secondary valve pocket, the left and right sides is all combined with spring, between described main valve plug and main valve housing, be equipped with between auxiliary valve core and secondary valve pocket between the equal polishing of micro-gap and their surface and they and be all combined with "O"-ring, the utility model adopts dual-valve body valve core structure, main valve body adopts standard ISO solenoid valve, can select the solenoid valve of the different coils of different size according to different working condition requirements, meet different flow, the requirement of varying environment operating mode, auxiliary valve body adopts and the corresponding dimensional structure of main valve body, on auxiliary valve body, be designed with auxiliary valve core and air-flow adjustment knobs, control by regulating gas flow-regulating knob the air-flow size that enters solenoid valve, in the situation that switching on, main valve realizes by the straight line motion of auxiliary valve core the commutation that is communicated with main valve air-flow, thereby realize the pressure release of main valve air-flow, thereby realize the movement test that moves up and down to realize valve of cylinder piston.
2) commutating speed is exceedingly fast, guarantees that spool return is accurate rapidly: the solenoid valve that the utility model provides has direct dynamic structure: it comprises straight moving electromagnetic valve main valve, and its electromagnetic coil directly drives spool to make airflow-reversing; Commutating speed is exceedingly fast, thereby ensures can guarantee while there are abnormal conditions that non-return flap cylinder closes rapidly, and this is that the non-return flap movement test solenoid valve of bleeding designs one of fine or not main standard; Also have double-spring structure: the spool on auxiliary valve body and active button adopt double-spring structure, with hand spring moving linearly, make auxiliary valve body airflow-reversing, double-spring structure guarantees that return is accurate.
3) flow adjustable structure: the adjustable knob of joining in the utility model auxiliary valve body regulates the size of the gas flow that enters solenoid valve; thereby the pressure release speed of guaranteeing movement test is mated with intake velocity; meet different cylinder diameters; the movement test requirement of different distance between solenoid valve and cylinder, adaptability is wider.
4) solenoid valve that the utility model provides has the function of on-line testing, and this function makes solenoid valve not only control single-acting cylinder, also plays simultaneously and detects the effect in working life of the whether normal and protection cylinder spring of cylinder spring, and promotional value is very big.
Brief description of the drawings
Fig. 1 is the utility model embodiment one structural representation;
Fig. 2 is the utility model embodiment two structural representation.
Embodiment
Embodiment one: as shown in Figure 1: a kind of test solenoid valve, it comprise with the main valve body 2 of main valve plug 3 and with the auxiliary valve body 10 with auxiliary valve core 6 of its parallel to an axis, auxiliary valve body 10 is with suction port 11, air outlet 9 and evacuation port 8, same one end of main valve body 2 and auxiliary valve body 10 is combined with respectively drive coil 4 and test button 5, it is characterized in that: auxiliary valve body 10 the other ends are combined with adjustable knob 12, above-mentioned main valve plug 3 is identical with auxiliary valve core 6 structures;
Left side between described main valve plug 3 and main valve housing is combined with spring, between described auxiliary valve core 6 and secondary valve pocket 7, the left and right sides is all combined with spring, between described main valve plug 3 and main valve housing, be equipped with between auxiliary valve core 6 and secondary valve pocket 7 between the equal polishing of micro-gap and their surface and they and be all combined with "O"-ring;
Described adjustable knob 12 axially and described main valve plug 3 axial vertical, described suction port 11, air outlet 9 and evacuation port 8 are connected by Guan Siyu exterior tube;
Described adjustable knob 12 use O type circles seal;
Described main valve body 2 is connected by bolt 1 with described auxiliary valve body 10.
Described main valve body 2 and auxiliary valve body 10 are direct action solenoid valve.
Embodiment two: as shown in Figure 2: a kind of test solenoid valve, it comprise with the main valve body 2 of main valve plug 3 and with the auxiliary valve body 10 with auxiliary valve core 6 of its parallel to an axis, auxiliary valve body 10 is with suction port 11, air outlet 9 and evacuation port 8, same one end of main valve body 2 and auxiliary valve body 10 is combined with respectively drive coil 4 and test button 5, it is characterized in that: auxiliary valve body 10 the other ends are combined with adjustable knob 12, above-mentioned main valve plug 3 is identical with auxiliary valve core 6 structures;
Left side between described main valve plug 3 and main valve housing is combined with spring, between described auxiliary valve core 6 and secondary valve pocket 7, the left and right sides is all combined with spring, between described main valve plug 3 and main valve housing, be equipped with between auxiliary valve core 6 and secondary valve pocket 7 between the equal polishing of micro-gap and their surface and they and be all combined with "O"-ring;
The parallel to an axis of the axial and described main valve plug 3 of described adjustable knob 12, described suction port 11, air outlet 9 and evacuation port 8 and the suction port of bleeding on non-return flap cylinder upper cover, air outlet and evacuation port are corresponding one by one, connect as one with bolt and cylinder by the sealing of O RunddichtringO;
Described adjustable knob 12 use O type circles seal;
Described main valve body 2 is connected by bolt 1 with described auxiliary valve body 10.
Described main valve body 2 and auxiliary valve body 10 are direct action solenoid valve.
Claims (7)
1. a test solenoid valve, it comprise with the main valve body of main valve plug (3) (2) and with the auxiliary valve body with auxiliary valve core (6) (10) of its parallel to an axis, auxiliary valve body (10) is with suction port (11), air outlet (9) and evacuation port (8), same one end of main valve body (2) and auxiliary valve body (10) is combined with respectively drive coil (4) and test button (5), it is characterized in that: auxiliary valve body (10) the other end is combined with adjustable knob (12), above-mentioned main valve plug (3) is identical with auxiliary valve core (6) structure.
2. test solenoid valve as claimed in claim 1, it is characterized in that: the left side between described main valve plug (3) and main valve housing is combined with spring, between described auxiliary valve core (6) and secondary valve pocket (7), the left and right sides is all combined with spring, between described main valve plug (3) and main valve housing, be equipped with between auxiliary valve core (6) and secondary valve pocket (7) between the equal polishing of micro-gap and their surface and they and be all combined with "O"-ring.
3. test solenoid valve as claimed in claim 1 or 2, it is characterized in that: described adjustable knob (12) axially and described main valve plug (3) axial vertical, described suction port (11), air outlet (9) and evacuation port (8) are connected by Guan Siyu exterior tube.
4. test solenoid valve as claimed in claim 1 or 2, it is characterized in that: the parallel to an axis of the axial and described main valve plug (3) of described adjustable knob (12), described suction port (11), air outlet (9) and evacuation port (8) and the suction port of bleeding on non-return flap cylinder upper cover, air outlet and evacuation port are corresponding one by one, connect as one with bolt and cylinder by the sealing of O RunddichtringO.
5. test solenoid valve as claimed in claim 1, is characterized in that: described adjustable knob (12) O type circle seals.
6. test solenoid valve as claimed in claim 1, is characterized in that: described main valve body (2) is bolted with described auxiliary valve body (10).
7. test solenoid valve as claimed in claim 1, is characterized in that: described main valve body (2) and auxiliary valve body (10) are direct action solenoid valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420018796.9U CN203641586U (en) | 2014-01-13 | 2014-01-13 | Experiment electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420018796.9U CN203641586U (en) | 2014-01-13 | 2014-01-13 | Experiment electromagnetic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203641586U true CN203641586U (en) | 2014-06-11 |
Family
ID=50872831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420018796.9U Withdrawn - After Issue CN203641586U (en) | 2014-01-13 | 2014-01-13 | Experiment electromagnetic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203641586U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103727266A (en) * | 2014-01-13 | 2014-04-16 | 宁夏丹辰科技有限公司 | Test solenoid valve |
| CN105387244A (en) * | 2015-12-10 | 2016-03-09 | 西安航天动力研究所 | Mono-coil self-unloading type two-component electromagnetic valve |
-
2014
- 2014-01-13 CN CN201420018796.9U patent/CN203641586U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103727266A (en) * | 2014-01-13 | 2014-04-16 | 宁夏丹辰科技有限公司 | Test solenoid valve |
| CN103727266B (en) * | 2014-01-13 | 2016-07-13 | 宁夏丹辰科技有限公司 | Test electromagnetic valve |
| CN105387244A (en) * | 2015-12-10 | 2016-03-09 | 西安航天动力研究所 | Mono-coil self-unloading type two-component electromagnetic valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140611 Effective date of abandoning: 20160713 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |