CN220102240U - Manual opening device of solenoid valve - Google Patents
Manual opening device of solenoid valve Download PDFInfo
- Publication number
- CN220102240U CN220102240U CN202320484732.7U CN202320484732U CN220102240U CN 220102240 U CN220102240 U CN 220102240U CN 202320484732 U CN202320484732 U CN 202320484732U CN 220102240 U CN220102240 U CN 220102240U
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- ejector rod
- manual
- valve core
- shell
- cavity
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 14
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects 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
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- Magnetically Actuated Valves (AREA)
Abstract
The utility model provides a manual opening device of an electromagnetic valve, which comprises a shell, an electromagnetic piston assembly and a manual control assembly, wherein the electromagnetic piston assembly is arranged on the shell; the electromagnetic piston assembly is positioned at the upper part of the shell, and the manual control assembly is positioned at the lower part of the shell; the electromagnetic piston assembly comprises a coil assembly, a movable iron core and a valve core; the solenoid valve is controlled to be opened and closed by energizing the coil assembly; the manual control assembly comprises a push rod, a push rod reset spring, a support ring and a check ring which are sequentially arranged from top to bottom; the lower part of the shell is provided with a manual cavity, the manual control assembly is positioned in the manual cavity, the ejector rod is positioned at the lower side of the valve core, an ejector rod reset spring is arranged between the ejector rod and the manual cavity, and the ejector rod and the support ring are relatively fixed through a check ring; the ejector rod is in threaded connection with the supporting ring; in addition, in an emergency state, the valve core is pushed open by pressing the ejector rod, so that the electromagnetic valve is opened manually. The manual opening device of the electromagnetic valve improves the reliability problem of the existing electromagnetic valve in actual use.
Description
Technical Field
The utility model belongs to the technical field of electromagnetic valves, and particularly relates to a manual opening device of an electromagnetic valve.
Background
Solenoid valves are automated basic components used to control fluids, and the underlying actuators play a critical role in the system. In the working process, the electromagnetic valve is opened and closed by connecting and disconnecting a power supply. Once the circuit fails, the valve core cannot be opened, so that the valve port is in a closed state for a long time, medium cannot circulate, the electromagnetic valve cannot work continuously, and the working quality of the electromagnetic valve is seriously influenced.
Disclosure of Invention
The utility model provides a manual opening device of an electromagnetic valve, which aims to improve the reliability of the existing electromagnetic valve in actual use.
The specific technical scheme is as follows:
a manual opening device of an electromagnetic valve comprises a shell, an electromagnetic piston assembly and a manual control assembly; the left side of the middle part of the shell is provided with a first oil outlet and a second oil outlet, the first oil outlet is positioned above the second oil outlet, and the right side is provided with an oil inlet;
the electromagnetic piston assembly is positioned at the upper part of the shell, and the manual control assembly is positioned at the lower part of the shell; the electromagnetic piston assembly comprises a coil assembly, a movable iron core and a valve core; the upper part of the shell is provided with a piston cavity, the coil assembly is positioned at the peripheral side of the piston cavity, the movable iron core is positioned in the piston cavity, the bottom of the movable iron core is connected with the upper side of the valve core, the valve core is blocked between the second oil outlet and the oil inlet, and a valve core reset spring is arranged between the valve core and the piston cavity; the coil assembly is powered on, the movable iron core drives the valve core to move upwards, the valve core reset spring is compressed, the electromagnetic valve is in an open state, the second oil outlet is communicated with the oil inlet, after the coil assembly is powered off, the compressed valve core reset spring resets the valve core, the electromagnetic valve is in a closed state, and the second oil outlet is disconnected with the oil inlet.
The manual control assembly comprises a push rod, a push rod reset spring, a support ring and a check ring which are sequentially arranged from top to bottom; the lower part of the shell is provided with a manual cavity, the manual control assembly is positioned in the manual cavity, the ejector rod is positioned at the lower side of the valve core, an ejector rod reset spring is arranged between the ejector rod and the manual cavity, and the bottom of the manual cavity is provided with a check ring; the ejector rod is in threaded connection with the support ring, and is relatively fixed with the support ring through the check ring; the valve core opening is controlled by adjusting the extending length of the ejector rod through threads, so that the flow of the electromagnetic valve is controlled, when the coil assembly fails, the ejector rod is pressed to push the valve core open in an emergency state, and the ejector rod is reset by the ejector rod reset spring after the ejector rod is loosened.
Further, the piston chamber is the same as the manual chamber axis.
Further, the support ring is clamped in the manual cavity and slides up and down along the manual cavity along with the ejector rod.
Further, an O-shaped ring for sealing is sleeved on the ejector rod; the O-shaped ring is positioned between the ejector rod and the shell, and the O-shaped ring is positioned on the upper side of the ejector rod return spring.
Compared with the prior art, the beneficial effects of the scheme are as follows:
(1) The manual opening device is added at the lower end of the valve core, has a simple structure and is convenient to install, the electromagnetic valve can be manually opened when the coil assembly fails, and the reliability of the electromagnetic valve can be effectively improved.
(2) The manual opening device of the electromagnetic valve controls the opening degree of the valve core by adjusting the extending length of the ejector rod through threads, thereby controlling the flow of the electromagnetic valve; when the coil assembly fails, the valve core is pushed open by pressing the ejector rod, and the ejector rod is reset by the ejector rod reset spring after the valve core is released, so that the electromagnetic valve can be normally opened and closed in an emergency state.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a front cross-sectional view of a manual solenoid valve opening device;
wherein: 1. a coil assembly; 2. a movable iron core; 3. a valve core return spring; 4. a housing; 5. a valve core; 6. a push rod; 7. an O-ring; 8. a push rod reset spring; 9. a support ring; 10. and (5) a retainer ring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model. It should be noted that, in the description of the present utility model, terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate directions or positional relationships, which are based on the directions or positional relationships shown in the drawings, are merely for convenience of description, and do not indicate or imply that devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," "fourth," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that, in the description of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art according to the specific circumstances.
An embodiment of a manual opening device for an electromagnetic valve according to the present utility model is shown in fig. 1:
a manual opening device of an electromagnetic valve comprises a shell 4, an electromagnetic piston assembly and a manual control assembly; the left side of the middle part of the shell 4 is provided with a first oil outlet and a second oil outlet, the first oil outlet is positioned above the second oil outlet, and the right side is provided with an oil inlet; the electromagnetic piston assembly is positioned at the upper part of the shell 4, and the manual control assembly is positioned at the lower part of the shell 4;
the electromagnetic piston assembly comprises a coil assembly 1, a movable iron core 2 and a valve core 5; the upper part of the shell 4 is provided with a piston cavity, the coil assembly 1 is positioned at the peripheral side of the piston cavity, the movable iron core 2 is positioned in the piston cavity, the bottom of the movable iron core 2 is fixedly connected with the upper side of the valve core 5, the valve core 5 is positioned between the second oil outlet and the oil inlet passage, the valve core 5 is used for blocking the circulation of liquid in the second oil outlet and the oil inlet, and the first oil outlet and the oil inlet circulate; a valve core reset spring 3 is arranged between the valve core 5 and the piston cavity, the valve core reset spring 3 is positioned on the periphery side of the valve core 5, the upper end of the valve core reset spring 3 is fixedly connected with the side wall of the piston cavity, and the lower end of the valve core reset spring 3 is fixedly connected with the valve core 5; when the coil assembly 1 is electrified, the movable iron core 2 is driven by magnetic force to drive the valve core 5 to move upwards along the piston cavity, the valve core return spring 3 is compressed, the electromagnetic valve is in an open state, the first oil outlet and the oil inlet are disconnected, and liquid in the second oil outlet and the oil inlet can circulate; after the coil assembly 1 is short-circuited, the compressed valve core reset spring 3 resets the valve core 5, the electromagnetic valve is in a closed state, and the liquid circulation in the second oil outlet and the oil inlet is blocked.
The manual control assembly comprises a mandril 6, an O-shaped ring 7, a mandril reset spring 8, a support ring 9 and a check ring 10 which are sequentially arranged from top to bottom; the lower part of the shell 4 is provided with a manual cavity, the axis of the piston cavity is the same as that of the manual cavity, the manual control assembly is positioned in the manual cavity, the ejector rod 6 is positioned on the lower side surface of the valve core 5, the upper part of the ejector rod 6 is the same as the cross section of the valve core 5, an O-shaped ring 7,O type ring 7 is sleeved on the ejector rod 6 and positioned between the ejector rod 6 and the shell 4, the sealing effect is achieved, an ejector rod return spring 8 is arranged between the ejector rod 6 and the manual cavity, the O-shaped ring 7 is positioned on the upper side of the ejector rod return spring 8, the ejector rod 6 passes through the ejector rod return spring 8, the upper end of the ejector rod return spring 8 is fixedly connected with the side wall of the manual cavity, the lower end of the ejector rod return spring 8 is fixedly connected with the ejector rod 6, a supporting ring 9 is in threaded connection with the ejector rod 6, a vertical chute is arranged on the inner wall of the manual cavity, a bulge matched with the chute is arranged on the supporting ring 9, the supporting ring 9 is limited and is positioned in the manual cavity through the chute, the supporting ring 9 slides up and down along the manual cavity, the supporting ring 9 is relatively fixed with the ejector rod 6 through a retainer ring 10, and the retainer ring 10 is positioned on the periphery of the ejector rod 6; the ejector rod 6 is rotated, the upward extending length of the ejector rod 6 can be adjusted by means of threads between the ejector rod 6 and the supporting ring, so that the opening degree of the valve core 5 is controlled, and the flow of the electromagnetic valve is controlled; when the coil assembly 1 fails, in an emergency state, the ejector rod 6 is pushed upwards by force, the valve core 5 is pushed open, the electromagnetic valve is opened manually for emergency, and after the ejector rod 6 is released, the ejector rod 6 is reset by the ejector rod reset spring 8, and the electromagnetic valve is in a closed state.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (4)
1. The manual opening device of the electromagnetic valve is characterized by comprising a shell, an electromagnetic piston assembly and a manual control assembly; the left side of the middle part of the shell is provided with a first oil outlet and a second oil outlet, the first oil outlet is positioned above the second oil outlet, and the right side is provided with an oil inlet; the electromagnetic piston assembly is positioned at the upper part of the shell, and the manual control assembly is positioned at the lower part of the shell; the electromagnetic piston assembly comprises a coil assembly, a movable iron core and a valve core; the upper part of the shell is provided with a piston cavity, the coil assembly is positioned at the peripheral side of the piston cavity, the movable iron core is positioned in the piston cavity, the bottom of the movable iron core is connected with the upper side of the valve core, the valve core is blocked between the second oil outlet and the oil inlet, and a valve core reset spring is arranged between the valve core and the piston cavity; the coil assembly is powered on, the movable iron core drives the valve core to move upwards, the valve core reset spring is compressed, the electromagnetic valve is in an open state, the second oil outlet is communicated with the oil inlet, the compressed valve core reset spring resets the valve core after the coil assembly is powered off, the electromagnetic valve is in a closed state, the second oil outlet is disconnected from the oil inlet, and the manual control assembly comprises a push rod, a push rod reset spring, a support ring and a check ring which are sequentially arranged from top to bottom; the lower part of the shell is provided with a manual cavity, the manual control assembly is positioned in the manual cavity, the ejector rod is positioned at the lower side of the valve core, an ejector rod reset spring is arranged between the ejector rod and the manual cavity, the bottom of the manual cavity is provided with a check ring, and the ejector rod and the support ring are relatively fixed through the check ring; the ejector rod is in threaded connection with the supporting ring; the valve core opening is controlled by adjusting the extending length of the ejector rod through threads, so that the flow of the electromagnetic valve is controlled, when the coil assembly fails, the ejector rod is pressed to push the valve core open in an emergency state, and the ejector rod is reset by the ejector rod reset spring after the ejector rod is loosened.
2. A manual solenoid valve opening device according to claim 1 wherein said piston chamber is the same as the manual chamber axis.
3. The manual opening device for solenoid valves according to claim 1, wherein the support ring is disposed in the manual cavity in a clamped manner, and slides up and down along the manual cavity along with the ejector rod.
4. The manual opening device of the electromagnetic valve according to claim 1, wherein the ejector rod is sleeved with an O-shaped ring for sealing; the O-shaped ring is positioned between the ejector rod and the shell, and the O-shaped ring is positioned on the upper side of the ejector rod return spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320484732.7U CN220102240U (en) | 2023-03-14 | 2023-03-14 | Manual opening device of solenoid valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320484732.7U CN220102240U (en) | 2023-03-14 | 2023-03-14 | Manual opening device of solenoid valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220102240U true CN220102240U (en) | 2023-11-28 |
Family
ID=88842209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320484732.7U Active CN220102240U (en) | 2023-03-14 | 2023-03-14 | Manual opening device of solenoid valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220102240U (en) |
-
2023
- 2023-03-14 CN CN202320484732.7U patent/CN220102240U/en active Active
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