CN209839292U - Electromagnetic valve - Google Patents
Electromagnetic valve Download PDFInfo
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- CN209839292U CN209839292U CN201920577991.8U CN201920577991U CN209839292U CN 209839292 U CN209839292 U CN 209839292U CN 201920577991 U CN201920577991 U CN 201920577991U CN 209839292 U CN209839292 U CN 209839292U
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Abstract
The utility model relates to the technical field of flow regulating devices, and provides a solenoid valve, which comprises a magnetic circuit cavity formed by a static iron and an extension wall of a valve body, and also comprises a first moving iron, a second moving iron and a first iron sleeve; the first moving iron and the first iron sleeve are arranged in the magnetic circuit cavity, the first moving iron comprises a magnetic conduction column and a non-magnetic conduction column, the magnetic conduction column is close to the static iron and can slide along the length direction of the magnetic circuit cavity, one end of the non-magnetic conduction column is connected with the magnetic conduction column, the first iron sleeve is provided with a through hole along the length direction of the magnetic circuit cavity, and the other end of the non-magnetic conduction column is inserted into the through hole; or the second moving iron is arranged in the magnetic circuit cavity and can slide along the length direction of the magnetic circuit cavity. Through moving iron with first moving iron and first iron cover replacement for the second, realize that normally open valve converts the normally closed valve into, the spare part of two kinds of valves is general, has reduced the kind of spare part, makes things convenient for product processing production.
Description
Technical Field
The utility model relates to a flow control device technical field especially relates to a solenoid valve.
Background
In industrial production, an electromagnetic valve is a commonly used flow regulating device, and the working principle thereof is as follows: the electromagnetic force is adjusted by connecting different current values to the coil, so that the opening degree of the valve is adjusted, and the flow is adjusted and controlled.
At present, when a coil of the electromagnetic valve is not electrified, the electromagnetic valve is in a normally open state or a normally closed state, however, a normally open valve and a normally closed valve are completely two products with different structures, the universality of parts is poor, and inconvenience is brought to processing and production of the products.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model aims at providing a solenoid valve to it is poor with the zero part commonality of normally closed valve, the inconvenient problem of processing production to solve current normally open valve.
(II) technical scheme
In order to solve the technical problem, the utility model provides a solenoid valve, which comprises a magnetic circuit cavity formed by a static iron and an extension wall of a valve body, and further comprises a first moving iron, a second moving iron and a first iron sleeve;
the first moving iron and the first iron sleeve are arranged in the magnetic circuit cavity, the first moving iron comprises a magnetic conduction column and a non-magnetic conduction column, the magnetic conduction column is close to the static iron and can slide along the length direction of the magnetic circuit cavity, one end of the non-magnetic conduction column is connected with the magnetic conduction column, the first iron sleeve is provided with a through hole along the length direction of the magnetic circuit cavity, the other end of the non-magnetic conduction column is inserted into the through hole, and the first iron sleeve is connected with the valve body;
or the second moving iron is arranged in the magnetic circuit cavity and can slide along the length direction of the magnetic circuit cavity.
The valve body is provided with a magnetic circuit cavity, the valve body is provided with a through hole along the length direction of the magnetic circuit cavity, and the end part of the second moving iron close to the valve body is slidably inserted into the through hole.
The cross section of the first moving iron is T-shaped, and the diameter of the magnetic conduction column is larger than that of the non-magnetic conduction column.
The first end of the first iron sleeve is installed in the valve body, the second end of the first iron sleeve extends into the magnetic circuit cavity, and the outer diameter of the second end of the first iron sleeve is the same as the inner diameter of the magnetic circuit cavity.
The end part of the non-magnetic-conduction column, which deviates from the magnetic-conduction column and penetrates through the through hole of the first iron sleeve, is provided with a plug head, and the plug head is in sealed fit with the valve port of the valve body.
Wherein the diameter of the through hole of the second iron sleeve is the same as the inner diameter of the magnetic circuit chamber.
The second moving iron is far away from the static iron and penetrates through the end part of the through hole of the second iron sleeve, and a plug head is arranged at the end part of the through hole of the second iron sleeve and is matched with a valve port of the valve body in a sealing mode.
The diameter of the first end of the static iron is the same as the outer diameter of the extending wall of the valve body, the second end of the static iron is overlapped with the extending wall of the valve body, the second end of the static iron, the valve body and the extending wall of the valve body jointly form the magnetic circuit chamber, and the diameter of the second end of the static iron is the same as the inner diameter of the magnetic circuit chamber.
The magnetic circuit cavity is arranged on the outer side of the valve body, the outer cover is covered on the outer side of the magnetic circuit cavity, one end of the outer cover is clamped on the valve body, and the other end of the outer cover is connected with the end, far away from the valve body, of the static iron.
Wherein, the static iron outside is provided with the coil along its length direction, the coil sets up in the dustcoat.
(III) advantageous effects
The utility model provides a solenoid valve, through setting up first moving iron and first iron cover in the magnetic circuit cavity, the first iron cover attracts the first moving iron when circular telegram, realizes the regulation of solenoid valve aperture size, and during the outage, the first iron cover loses the attraction effect to the first moving iron, and the first moving iron resets, realizes the function of normally open valve; the first moving iron and the first iron sleeve are replaced by the second moving iron, when the power is on, the static iron attracts the second moving iron to realize the adjustment of the opening of the electromagnetic valve, when the power is off, the static iron loses the attraction of the second moving iron, and the second moving iron resets and moves downwards to realize the function of a normally closed valve; through moving iron with first moving iron and first iron cover replacement for the second, realize that normally open valve converts the normally closed valve into, the spare part of two kinds of valves is general, has reduced the kind of spare part, makes things convenient for product processing production.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
Fig. 1 is a structural sectional view of a solenoid valve as a normally open valve according to an embodiment of the present invention;
fig. 2 is a structural cross-sectional view of the electromagnetic valve of the embodiment of the present invention as a normally closed valve.
In the figure, 1: static iron; 2.1: a first moving iron; 2.2: a second moving iron; 3.1: a first iron sleeve; 3.2: a second iron sleeve; 4: a cover plate; 5: a housing; 6: a nut; 7: a coil; 8: a spring; 9: a plug head; 10: locking a nut; 11: a valve body; 12: an extension wall.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description of the present invention, unless otherwise specified, "plurality", and "plural" mean two or more, and "several", and "several groups" mean one or more.
As shown in fig. 1 and 2, an embodiment of the present invention provides a solenoid valve, which includes a magnetic circuit chamber formed by a static iron 1 and an extension wall 12 of a valve body 11, and further includes a first moving iron 2.1, a second moving iron 2.2, and a first iron sleeve 3.1. Specifically, the diameter of the first end of the static iron 1 is the same as the outer diameter of the extension wall 12 of the valve body 11, the second end of the static iron 1 is overlapped with the extension wall 12 of the valve body 11, the second end of the static iron 1, the valve body 11 and the extension wall 12 jointly form a magnetic circuit chamber, and the diameter of the second end of the static iron 1 is the same as the inner diameter of the magnetic circuit chamber. It can be understood that the second end of the static iron 1 is provided with a lapping table, so that the diameter of the second end of the static iron 1 is smaller than that of the first end and is the same as the inner diameter of the extension wall 12, and the second end of the static iron 1 is lapped and fixed with the extension wall 12 to present a plug-in connection. To this end, the second end of the static iron 1, the extension wall 12 and the valve body 11 form a magnetic circuit chamber.
Further, as shown in fig. 1, the electromagnetic valve is a normally open valve, the first moving iron 2.1 and the first iron sleeve 3.1 are both disposed in the magnetic circuit chamber, the first moving iron 2.1 is disposed near the static iron 1, and the first iron sleeve 3.1 is disposed near the valve body 11.
The first moving iron 2.1 comprises a magnetic conduction column and a non-magnetic conduction column, specifically, the section of the first moving iron 2.1 is T-shaped, the diameter of the magnetic conduction column is larger than that of the non-magnetic conduction column, and the diameter of the magnetic conduction column is smaller than the inner diameter of the magnetic circuit cavity. The magnetic conduction column is close to the static iron 1 and can slide along the length direction of the magnetic circuit cavity, one end of the non-magnetic conduction column is connected with the magnetic conduction column, and the magnetic conduction column is driven to synchronously move up and down when being attracted by magnetic force.
Wherein, the first iron sleeve 3.1 is provided with a through hole along the length direction of the magnetic circuit chamber, the other end of the non-magnetic column is inserted in the through hole, and the non-magnetic column can move up and down in the through hole. The first iron sleeve 3.1 is connected with the valve body 11 to realize fixed installation. Specifically, the first end of the first iron sleeve 3.1 is installed in the valve body 11, the second end extends upwards to contact with the extension wall 12, and the outer diameter of the second end is the same as the inner diameter of the magnetic circuit chamber, so that the first iron sleeve 3.1 is installed and fixed.
Wherein, the end part of the non-magnetic conductive column departing from the magnetic conductive column and passing through the through hole of the first iron sleeve 3.1 is provided with a plug 9, the plug 9 is matched with the valve port of the valve body 11 in a sealing way, and the closing of the electromagnetic valve is realized. The valve body 11 is also internally provided with a spring 8, and the spring 8 is installed through a lock nut 10. Specifically, one end of the spring 8 is in contact with the lower end face of the first iron sleeve 3.1, the other end of the spring 8 is in contact with the locking nut 10, the locking nut 10 is installed in the valve body 11, and the spring 8 is fastened by locking the position of the locking nut 10.
Further, as shown in fig. 2, the solenoid valve is a normally closed valve, the second moving iron 2.2 is disposed in the magnetic circuit chamber, and the second moving iron 2.2 is slidably disposed along the length direction of the magnetic circuit chamber. It can be understood that when the static iron 1 does not have magnetic attraction to the second moving iron 2.2, the second moving iron 2.2 is located at the bottom end of the magnetic circuit cavity, and the normally closed state of the electromagnetic valve is realized.
In one example, the magnetic circuit breaker further comprises a second iron sleeve 3.2, the second iron sleeve 3.2 is arranged in the valve body 11, the second iron sleeve 3.2 is provided with a through hole along the length direction of the magnetic circuit chamber, and the end part of the second moving iron 2.2 close to the valve body 11 is slidably inserted in the through hole. The end part of the second moving iron 2.2, which is far away from the static iron 1 and passes through the through hole of the second iron sleeve 3.2, is provided with a plug head 9, and the plug head 9 is in sealed fit with the valve port of the valve body 11. When the static iron 1 does not have magnetic attraction to the second moving iron 2.2, the second moving iron 2.2 is always close to the valve body 11, and the plug 9 and the valve port are always closed, so that the function of a normally closed valve is realized.
Wherein, still be equipped with spring 8 in the valve body 11, spring 8 realizes the installation through lock nut 10. Specifically, one end of the spring 8 is in contact with the lower end face of the second iron sleeve 3.2, the other end of the spring 8 is in contact with the locking nut 10, the locking nut 10 is installed in the valve body 11, and the spring 8 is fastened by fastening the position of the locking nut 10.
Further, as shown in fig. 1 and 2, the normally open valve and the normally closed valve have a common structure. Still include dustcoat 5, dustcoat 5 covers and establishes in the magnetic circuit cavity outside, and the one end card of dustcoat 5 is fixed on valve body 11, and the other end of dustcoat 5 and the end connection that the valve body 11 was kept away from to quiet iron 1. Specifically, the lower extreme card of dustcoat 5 is established on valve body 11, and the upper end of dustcoat 5 is equipped with the mounting hole with the adaptation of 1 upper end of quiet iron, and the mounting hole is passed to the upper end of quiet iron 1 to establish through 6 fixed card of nut, realize the fastening installation of dustcoat 5.
Wherein, the outside of the static iron 1 is provided with a coil 7 along the length direction, and the coil 7 is arranged in the outer cover 5. In one example, the diameter of the mounting hole at the upper end of the outer cover 5 is smaller than that of the coil 7, and the cover plate 4 is arranged at the lower end of the outer cover 5 to clamp the coil 7 in the outer cover 5, so that the coil 7 is mounted.
The embodiment of the utility model provides an operating principle of solenoid valve is as follows:
when the magnetic circuit is required to be a normally open valve, the first moving iron and the first iron sleeve are installed in the magnetic circuit cavity, and a working magnetic gap which changes along with axial movement of the moving iron is formed between the upper end face of the first iron sleeve and the lower end face of the magnetic conduction column of the first moving iron. When the coil is electrified, the magnetic force between the first moving iron and the first iron sleeve is suction force, so that the plug head is driven to move downwards, and the opening degree of the valve port is reduced; when the coil is powered off, the magnetic force is 0, and the spring rebounds to drive the first movable iron and the plug head to move upwards, so that the valve port is opened, and a normally open valve is realized.
When the normally-closed valve needs to be realized, at the moment, the first movable iron and the first iron sleeve are replaced by the second movable iron or replaced by the second movable iron and the second iron sleeve. At the moment, the working magnetic gap between the second iron sleeve and the second moving iron does not exist any more, but the upper end surface of the second moving iron and the lower end surface of the static iron form a face-to-face structure, so that the working magnetic gap changes along with the up-and-down movement of the second moving iron. When the coil is electrified, the magnetic force between the second moving iron and the static iron is suction force, so that the plug head is driven to move upwards, and the opening degree of the valve port is increased; when the coil is powered off, the magnetic force is 0, and the spring rebounds to drive the second movable iron and the plug head to move downwards, so that the valve port is closed, and a normally closed valve is realized.
The embodiment of the utility model provides a solenoid valve, through set up first moving iron and first iron cover in the magnetic circuit cavity, the first iron cover attracts the first moving iron when circular telegram, realizes the regulation of solenoid valve aperture size, and during the outage, the first iron cover loses the suction effect to the first moving iron, and the first moving iron resets, realizes the function of normally open valve; the first moving iron and the first iron sleeve are replaced by the second moving iron, when the power is on, the static iron attracts the second moving iron to realize the adjustment of the opening of the electromagnetic valve, when the power is off, the static iron loses the attraction of the second moving iron, and the second moving iron resets and moves downwards to realize the function of a normally closed valve; through moving iron with first moving iron and first iron cover replacement for the second, realize that normally open valve converts the normally closed valve into, the spare part of two kinds of valves is general, has reduced the kind of spare part, makes things convenient for product processing production.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; 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 solenoid valve comprises a magnetic circuit chamber formed by a static iron and an extension wall of a valve body, and is characterized by also comprising a first moving iron, a second moving iron and a first iron sleeve;
the first moving iron and the first iron sleeve are arranged in the magnetic circuit cavity, the first moving iron comprises a magnetic conduction column and a non-magnetic conduction column, the magnetic conduction column is close to the static iron and can slide along the length direction of the magnetic circuit cavity, one end of the non-magnetic conduction column is connected with the magnetic conduction column, the first iron sleeve is provided with a through hole along the length direction of the magnetic circuit cavity, the other end of the non-magnetic conduction column is inserted into the through hole, and the first iron sleeve is connected with the valve body;
or the second moving iron is arranged in the magnetic circuit cavity and can slide along the length direction of the magnetic circuit cavity.
2. The electromagnetic valve according to claim 1, further comprising a second iron sleeve disposed inside the valve body, the second iron sleeve having a through hole along a length direction of the magnetic circuit chamber, wherein an end portion of the second moving iron adjacent to the valve body is slidably inserted into the through hole.
3. The electromagnetic valve according to claim 1, characterized in that the cross section of the first moving iron is in a T shape, and the diameter of the magnetic conduction column is larger than that of the non-magnetic conduction column.
4. The solenoid valve of claim 3 wherein a first end of said first iron sleeve is mounted within said valve body and a second end of said first iron sleeve extends into said magnetic circuit chamber, said second end of said first iron sleeve having an outer diameter that is the same as an inner diameter of said magnetic circuit chamber.
5. The electromagnetic valve according to claim 4, wherein the end of the non-magnetic pole, which faces away from the magnetic pole and passes through the through hole of the first iron sleeve, is provided with a plug head, and the plug head is in sealing fit with the valve port of the valve body.
6. The solenoid valve of claim 2 wherein the diameter of the bore of the second iron sleeve is the same as the inner diameter of the magnetic circuit chamber.
7. The electromagnetic valve according to claim 6, characterized in that the end of the second moving iron, which is far away from the static iron and passes through the through hole of the second iron sleeve, is provided with a plug head, and the plug head is in sealing fit with the valve port of the valve body.
8. The solenoid valve of claim 1 wherein a first end of said static iron has a diameter that is the same as an outer diameter of said extended wall of said valve body, a second end of said static iron overlaps said extended wall of said valve body, said second end of said static iron, said valve body and said extended wall of said valve body together define said magnetic circuit chamber, and said second end of said static iron has a diameter that is the same as an inner diameter of said magnetic circuit chamber.
9. The electromagnetic valve according to claim 1, further comprising a cover, wherein the cover is arranged outside the magnetic circuit chamber, one end of the cover is clamped on the valve body, and the other end of the cover is connected with the end of the static iron far away from the valve body.
10. The solenoid valve of claim 9 wherein said outer side of said static iron is provided with a coil along its length, said coil being disposed within said housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920577991.8U CN209839292U (en) | 2019-04-25 | 2019-04-25 | Electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920577991.8U CN209839292U (en) | 2019-04-25 | 2019-04-25 | Electromagnetic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209839292U true CN209839292U (en) | 2019-12-24 |
Family
ID=68913840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920577991.8U Active CN209839292U (en) | 2019-04-25 | 2019-04-25 | Electromagnetic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209839292U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112211500A (en) * | 2020-09-22 | 2021-01-12 | 兰州万里航空机电有限责任公司 | Aviation bidirectional self-holding electromagnetic lock with magnetic conductive column |
-
2019
- 2019-04-25 CN CN201920577991.8U patent/CN209839292U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112211500A (en) * | 2020-09-22 | 2021-01-12 | 兰州万里航空机电有限责任公司 | Aviation bidirectional self-holding electromagnetic lock with magnetic conductive column |
| CN112211500B (en) * | 2020-09-22 | 2022-03-08 | 兰州万里航空机电有限责任公司 | Aviation bidirectional self-holding electromagnetic lock with magnetic conductive column |
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Address after: No. 23 and 25, No. 40, Beiyuan Road, Chaoyang District, Beijing 100012 Patentee after: Houlibo precision instrument (Beijing) Co., Ltd Address before: No. 23 and 25, No. 40, Beiyuan Road, Chaoyang District, Beijing 100012 Patentee before: BEIJING HORIBA METRON INSTRUMENTS Co.,Ltd. |