CN216382759U - Normally open type electromagnetic valve - Google Patents
Normally open type electromagnetic valve Download PDFInfo
- Publication number
- CN216382759U CN216382759U CN202121191089.6U CN202121191089U CN216382759U CN 216382759 U CN216382759 U CN 216382759U CN 202121191089 U CN202121191089 U CN 202121191089U CN 216382759 U CN216382759 U CN 216382759U
- Authority
- CN
- China
- Prior art keywords
- valve
- normally open
- core
- open type
- valve core
- Prior art date
- 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.)
- Active
Links
Images
Landscapes
- Magnetically Actuated Valves (AREA)
Abstract
The utility model relates to a normally open solenoid valve, comprising: the middle part of the valve body is provided with a valve port which is communicated with the water inlet and the water outlet; the valve core closes or opens the valve port; the coil is wound outside the installation pipe, and the valve core is hermetically installed in the installation pipe; the movable iron core is fixedly arranged at the upper end of the valve core and sleeved in the installation pipe; the valve core resets under the action of the resetting element and opens the valve port; when the coil is electrified, the valve core is driven by the movable iron core to close the valve port. The normally open type electromagnetic valve is suitable for a refrigeration or intelligent gas control system used for a long time, has a simple structure, is not easy to burn out, saves electricity, and is green and environment-friendly.
Description
Technical Field
The utility model relates to a normally open type electromagnetic valve.
Background
In a refrigeration or intelligent gas control system, the electromagnetic valve is in a long-time opening state, long-time electrification is needed, the electromagnetic coil generates high temperature, the electromagnetic valve is easy to burn out, and much electricity charge is generated due to long-time electrification.
SUMMERY OF THE UTILITY MODEL
The utility model provides a normally open type electromagnetic valve which is simple in structure and not easy to burn out.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the normally open type solenoid valve includes:
the middle part of the valve body is provided with a valve port which is communicated with the water inlet and the water outlet;
the valve core closes or opens the valve port;
the coil is wound outside the installation pipe, and the valve core is hermetically installed in the installation pipe;
the movable iron core is fixedly arranged at the upper end of the valve core and sleeved in the installation pipe; and
the valve core resets under the action of the resetting element and opens the valve port;
when the coil is electrified, the valve core is driven by the movable iron core to close the valve port.
The reset element is a spring, the upper end of the spring is abutted against the valve core, and the lower end of the spring is abutted against the valve body.
Wherein, the lower extreme of case is installed the sealing washer, and when the valve port was sealed to the case, the sealing washer leaned on in the valve port.
Wherein, the lower extreme of case is installed telescopic diaphragm, and when the valve port was sealed to the case, the diaphragm was closely laminated between case and valve body.
Wherein, a stop head for limiting the movement of the valve core is fixedly arranged in the mounting pipe.
Wherein, the stop head is arranged between the valve core and the movable iron core.
Wherein, the stop head is arranged at the upper end of the movable iron core.
Wherein, the installation pipe is externally and fixedly provided with a frame of a limiting coil.
Wherein, a plurality of mounting holes are arranged on the side wall of the frame.
Wherein, the installation pipe is including the body that is the body setting and the end cover of fixed mounting in the body upper end, and the upper end integrated into one piece of end cover has the erection column, and threaded connection nut behind the frame is passed to the erection column.
Compared with the prior art, the utility model has the following beneficial effects: the normally open type electromagnetic valve is suitable for a refrigeration or intelligent gas control system used for a long time, has a simple structure, is not easy to burn out, saves electricity, and is green and environment-friendly.
Drawings
Fig. 1 is a schematic structural diagram of a normally open solenoid valve according to the present invention.
Fig. 2 is a transverse sectional view of the normally open type solenoid valve of the present invention.
Detailed Description
The utility model is described in further detail below with reference to the accompanying examples. In the following description, any concept relating to the directionality or orientation of up, down, left, right, front and rear is given with respect to the position shown in the figures being described, and thus should not be construed as particularly limiting the technical solution provided by the present invention.
As shown in fig. 1 and 2, the normally open type electromagnetic valve of the present invention comprises a valve body 1 with a valve port 11 in the middle, a water inlet pipe 2 fixedly installed at a water inlet 12, a water outlet pipe 3 fixedly installed at a water outlet 13, and a valve core 4 for sealing the valve port 11, a water inlet 12 is arranged at the side edge of the valve body 1, a water outlet 13 is arranged at the lower end of the valve body 1, the valve port 11 is communicated with the water inlet 12 and the water outlet 13, a spring 8 is arranged between the valve core 4 and the valve body 1, the lower end of the valve core 4 is provided with a first spring mounting post 41 for positioning and mounting the spring 8, the interior of the valve body 1 is integrally formed with a second spring mounting post 14 for positioning and mounting the spring 8, the valve port 11 is coaxially arranged in the second spring mounting column 14, when in use, the valve core 4 opens the valve port under the elastic force action of the spring, and when the valve port is closed, the first spring mounting column is abutted against the second spring mounting column.
The lower end of the valve core 4 is provided with an installation groove, and a sealing ring is fixedly arranged in the installation groove so as to improve the sealing property; of course, a telescopic diaphragm can be installed at the lower end of the valve core 4, and when the valve port is closed, the diaphragm is tightly attached to the valve core and the second spring installation column, so that the sealing performance is improved.
The upper end of the valve body 1 is fixedly provided with a wire frame, the wire frame comprises an installation pipe 5 with the upper end closed and the lower end fixedly installed at the upper end of the valve body 1 and a frame 6 fixedly installed outside the installation pipe 5, a coil is wound outside the installation pipe 5, the valve core 4 is hermetically installed in the installation pipe 5, the upper end of the valve core is fixedly connected with a movable iron core 7, and the movable iron core 7 is sleeved in the installation pipe 5.
And a sealing ring is arranged between the valve core 4 and the mounting pipe 5 to improve the sealing property.
The upper end of the valve core 4 is provided with a jack 42, the lower end of the movable iron core 7 is integrally formed with an insertion shaft 71, and the insertion shaft 71 is fixedly installed in the jack 42 and can be connected in a tight fit manner or in a threaded manner so as to realize the fixed connection of the valve core and the movable iron core.
The frame 6 comprises an upper wall 61, a lower wall 62 parallel to the upper wall 61, and a side wall 63 extending between the upper wall 61 and the lower wall 62, wherein the coil is wound between the upper wall and the lower wall and used for limiting the coil, the lower end of the upper wall 61 extends downwards to form two limiting columns 64 for limiting the coil, the side edge is provided with a plurality of mounting holes 65 for mounting the frame on refrigeration equipment, and the front end and the rear end of the frame are also provided with limiting grooves 66 for positioning and mounting the electromagnetic valve; above-mentioned installation pipe 5 is including the body 51 that is the body setting and end cover 52 of fixed mounting in body 51 upper end, but this end cover 52 threaded connection or weld on body 51, realize end cover 52's fixed connection, and the upper end of this end cover 52 is provided with erection column 53, and threaded connection nut behind this erection column 53 passed the upper wall of frame, the diameter of this erection column is less than the external diameter of body to be convenient for the location installation of frame.
The water inlet of the valve body is provided with a first positioning hole matched with the water inlet pipe, so that the water inlet pipe is conveniently positioned and installed in the water inlet, and the water inlet pipe 2 is connected with the valve body through threads or welded on the valve body to realize the fixed installation of the water inlet pipe; a second positioning hole matched with the water outlet pipe 3 is formed in the water outlet of the valve body, and the water outlet pipe 3 is connected with or welded on the valve body through threads so as to realize the fixed installation of the water outlet pipe; the third locating hole matched with installation pipe 5 is seted up to the upper end of above-mentioned valve body 1, and installation pipe 5 passes through threaded connection or welds on the valve body to realize the fixed mounting of installation pipe.
A stop 9 is sleeved in the mounting pipe 5, the stop 9 is fixedly mounted in the mounting hole, and the stop can be arranged between the valve core and the movable iron core or at the upper end of the movable iron core to limit the sliding stroke of the valve core; the stop head is made of rubber materials and has a buffer function.
When pressure or fluid enters from the inlet, the compression force of the spring is greater than the dead weight of the movable iron core, the valve core and the movable iron core are pushed to move upwards, and the valve port is opened at the moment; when the coil is electrified, a magnetic field is generated to attract the movable iron core to move downwards, so that the valve core is pushed to be tightly attached to the valve port, and the valve port is closed.
Finally, it should be noted that: the above examples are merely illustrative of the technical solutions of the present invention, and not limitative thereof; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A normally open type electromagnetic valve is characterized in that: the normally open type solenoid valve includes:
the valve body is provided with a valve port in the middle, and the valve port is communicated with the water inlet and the water outlet;
a valve element which closes or opens the valve port;
the valve body is fixedly arranged on the valve body, a coil is wound outside the installation pipe, and the valve core is hermetically arranged in the installation pipe;
the movable iron core is fixedly arranged at the upper end of the valve core and sleeved in the installation pipe; and
the valve core resets under the action of the resetting element and opens the valve port;
when the coil is electrified, the valve core is driven by the movable iron core to close the valve port.
2. The normally open type electromagnetic valve according to claim 1, wherein the return element is a spring, the upper end of the spring abuts against the valve core, and the lower end of the spring abuts against the valve body.
3. The normally open electromagnetic valve according to claim 1, wherein a seal ring is mounted at the lower end of the valve core, and when the valve core closes the valve port, the seal ring abuts against the valve port.
4. The normally open electromagnetic valve according to claim 1, wherein a retractable diaphragm is mounted at the lower end of the valve core, and when the valve core closes the valve port, the diaphragm is tightly attached between the valve core and the valve body.
5. The normally open type electromagnetic valve according to claim 1, wherein a stopper for limiting the movement of the valve core is fixedly installed in the installation pipe.
6. The normally open electromagnetic valve according to claim 5, wherein the stopper is disposed between the spool and the plunger.
7. The normally open type electromagnetic valve according to claim 5, wherein the stopper is disposed at the upper end of the movable iron core.
8. The normally open type electromagnetic valve according to claim 1, wherein a frame for limiting the coil is fixedly arranged outside the mounting tube.
9. The normally open type electromagnetic valve according to claim 8, wherein the side wall of the frame is provided with a plurality of mounting holes.
10. The normally open type electromagnetic valve according to claim 8, wherein the mounting tube comprises a body arranged in a tube body and an end cover fixedly mounted at the upper end of the body, a mounting column is integrally formed at the upper end of the end cover, and the mounting column penetrates through the frame and is in threaded connection with a nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121191089.6U CN216382759U (en) | 2021-05-31 | 2021-05-31 | Normally open type electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121191089.6U CN216382759U (en) | 2021-05-31 | 2021-05-31 | Normally open type electromagnetic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216382759U true CN216382759U (en) | 2022-04-26 |
Family
ID=81215499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121191089.6U Active CN216382759U (en) | 2021-05-31 | 2021-05-31 | Normally open type electromagnetic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216382759U (en) |
-
2021
- 2021-05-31 CN CN202121191089.6U patent/CN216382759U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109538773B (en) | High-pressure pilot-operated self-locking valve | |
| CN113669461B (en) | Bistable electromagnetic valve | |
| CN216382759U (en) | Normally open type electromagnetic valve | |
| CN105822809A (en) | Electromagnetic actuator mounted on high-pressure gas integrated cylinder valve | |
| CN206608601U (en) | Magnetic valve with auto-lock function | |
| CN212250666U (en) | Two-position three-way electromagnetic proportional valve | |
| CN101551024A (en) | Integrated bistable solenoid valve | |
| CN208024918U (en) | A kind of solenoid valve diaphragm unit | |
| CN111828661A (en) | Novel self preservation formula solenoid valve | |
| CN200961709Y (en) | Mini electromagnetic valve | |
| CN205877337U (en) | Install in electromagnetic actuator of integrated cylinder valve of high -pressure gas | |
| CN201407365Y (en) | Bistable electromagnetic valve with integral structure | |
| CN212536871U (en) | Large-diameter electromagnetic valve | |
| CN209839291U (en) | Electromagnetic regulating valve | |
| CN201896988U (en) | Electromagnetic valve | |
| CN210770396U (en) | Memory alloy water valve | |
| CN210566272U (en) | High-strength armature for electromagnetic valve of dish-washing machine | |
| CN210344313U (en) | Isolated lever solenoid valve | |
| CN200958626Y (en) | Efficient DC double-steady-state pulse micro-electromagnetic valve | |
| CN210397889U (en) | Miniature electromagnetic valve | |
| CN217463401U (en) | Pulse electromagnetic valve | |
| CN217927265U (en) | Pulse electromagnetic valve | |
| CN213541462U (en) | Low-energy-consumption pulse control type pilot electromagnetic valve | |
| CN218326375U (en) | Shielding valve device of vacuum equipment | |
| CN215763555U (en) | Gas valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |