CN211624347U - Bidirectional proportional electromagnet for hydraulic valve - Google Patents
Bidirectional proportional electromagnet for hydraulic valve Download PDFInfo
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- CN211624347U CN211624347U CN201922355663.6U CN201922355663U CN211624347U CN 211624347 U CN211624347 U CN 211624347U CN 201922355663 U CN201922355663 U CN 201922355663U CN 211624347 U CN211624347 U CN 211624347U
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Abstract
The utility model relates to a two-way proportion electro-magnet for hydrovalve. In particular to a bidirectional proportional electromagnet used on a proportional solenoid valve. It includes quiet iron core, moves iron core and connecting rod. The two ends of the static iron core are provided with end sockets, and the inner ends of the two end sockets are connected with magnetic isolating sheets. The inner circles of the static iron cores are provided with inner convex rings. The diameter of the movable iron core is matched with the inner diameter of the inner convex ring, and the length of the movable iron core is shorter than the distance between the two magnetism isolating sheets. One end seal is provided with an axial hole, and the connecting rod is positioned in the axial hole and is in sliding fit with the axial hole. The inner end of the connecting rod is connected with the adjacent end of the movable iron core, and the outer end of the connecting rod extends out of the end enclosure. The outer circle of the static iron core is provided with an insulating groove used as a coil framework, and the insulating groove is characterized in that: the insulation groove has two, has first coil and second coil in two insulation grooves respectively. The proportional electromagnet has the advantages of simple structure, small volume and low production cost.
Description
Technical Field
The utility model relates to a hydraulic valve. In particular to a bidirectional proportional electromagnet used on a proportional solenoid valve. The check plug-in type proportional solenoid valve is particularly suitable for check plug-in type proportional solenoid valves.
Background
At present, the proportional electromagnet used on the plug-in type electromagnetic valve is mostly a single-coil thrust type proportional electromagnet or a single-coil pull-back type proportional electromagnet. Because the proportional electromagnet is provided with only one coil, unidirectional high-precision force output can be realized only through the reset spring, and bidirectional force output cannot be realized. If the force output in the push direction and the pull direction is to be realized, two sets of proportion electromagnets are needed, so that the electromagnet not only has a complex structure and a large volume, but also has more materials and high production cost.
SUMMERY OF THE UTILITY MODEL
The to-be-solved problem of the utility model is to provide a two-way proportion electro-magnet for hydrovalve. The proportional electromagnet has the advantages of simple structure, small volume and low production cost.
The utility model discloses the above-mentioned problem that solves is realized by following technical scheme:
the utility model discloses a two-way proportion electro-magnet is used to hydraulic pressure valve, including quiet iron core, move iron core and connecting rod. The static iron core is tubular, the two ends of the static iron core are provided with end sockets, and the inner ends of the two end sockets are connected with magnetic shielding sheets. The inner circle of the static iron core inside the inner end of the end socket is provided with an inner convex ring. The movable iron core is rod-shaped, the diameter of the movable iron core is matched with the inner diameter of the inner convex ring, the movable iron core and the inner convex ring are in sliding fit, and the length of the movable iron core is shorter than the distance between the two magnetism isolating sheets. One end socket is provided with an axial hole, the connecting rod is positioned in the axial hole and is in sliding fit with the axial hole, the inner end of the connecting rod is connected with the adjacent end of the movable iron core, and the outer end of the connecting rod extends out of the end socket and is connected with the valve core in an installation state. The outer circle of the static iron core is provided with an insulating groove used as a coil framework, and the insulating groove is characterized in that: the insulation groove has two, has first coil and second coil in two insulation grooves respectively.
The inner convex ring is formed by welding copper.
A first magnetic conduction plate is arranged between the two insulation grooves, and a second magnetic conduction plate is arranged on the outer sides of the two insulation grooves. The first magnetic conduction plate and the second magnetic conduction plate are annular plates, the inner diameters of the first magnetic conduction plate and the second magnetic conduction plate are matched with the excircle of the static iron core, the outer diameters of the first magnetic conduction plate and the second magnetic conduction plate are the same and are equal to the height of the wall of the insulating groove, and the first magnetic conduction plate and the second magnetic conduction plate are respectively sleeved on the static iron core between the two insulating grooves and the seal heads of the static iron core outside the two insulating grooves.
The utility model discloses still include the shell. The shell is a circular tube, the inner diameter of the shell is equal to the outer diameters of the first magnetic conduction plate and the second magnetic conduction plate and the heights of the groove walls of the two insulation grooves, the length of the shell is equal to the sum of the axial lengths of the two insulation grooves and the thicknesses of the first magnetic conduction plate and the two second magnetic conduction plates, the two ends of the shell are in interference fit with the corresponding second magnetic conduction plates, the middle of the shell is in interference fit with the first magnetic conduction plates, and an insulation layer is arranged between the inner circle of the shell and the first coil and between the inner circle of the shell and.
The static iron core has external screw threads at both ends, and has a fastening nut at one end, and the other end is screwed into the valve body of the hydraulic valve when in use.
According to the scheme, the number of the insulation grooves is two, and the first coil and the second coil are arranged in the two insulation grooves respectively. By arranging the first coil and the second coil on one set of proportional electromagnets, the bidirectional proportional characteristic can be realized. Compared with the example output in the background technology that two sets of proportion electromagnets are needed to realize the pushing and pulling directions, the structure is simplified, the volume is reduced, the material consumption is reduced, and the production cost is reduced.
Drawings
Fig. 1 is a schematic diagram of the bidirectional proportional electromagnet for the hydraulic valve of the present invention.
Detailed Description
As shown in fig. 1, the bidirectional proportional electromagnet for a hydraulic valve of the present invention includes a stationary core 7, a movable core 12, a connecting rod 9, and a housing 4. The static iron core 7 is tubular, two ends of the static iron core are connected with end sockets 8, and the inner ends of the two end sockets 8 are connected with magnetic shielding sheets 10. Inner convex rings 11 are processed on the inner circles of the static iron cores 7 in the inner ends of the seal heads 8, and the inner convex rings 11 are formed by welding two ends of the static iron cores 7 and the corresponding seal heads 8 by copper. The movable iron core 12 is a round rod, the diameter of the movable iron core is matched with the inner diameter of the inner flange 11, the movable iron core and the inner flange are in sliding fit, and the length of the movable iron core is shorter than the distance between the two magnetism isolating sheets 10, so that a gap 13 is formed between the inner circle of the static iron core 7 and the movable iron core 12. An axial hole is processed on one end socket 8, and the connecting rod 9 is positioned in the axial hole and in sliding fit with the axial hole. The center of the end of the movable iron core 12 corresponding to the connecting rod 9 is provided with a screw hole, the inner end of the connecting rod 9 is provided with a screw thread, and the inner end of the connecting rod 9 is connected with the adjacent end of the movable iron core 12 by the screw thread and the screw hole. The outer end of the connecting rod 9 extends out of the end socket 8 and is connected with the valve core in the installation state. The cover has the insulated slot that is used as coil skeleton on the quiet iron core 7 excircle, the insulated slot has two, installs first coil 3 and second coil 6 in two insulated slots respectively.
Wherein, be provided with first magnetic conduction board 5 between two insulating grooves, two insulating groove outsides all are provided with second magnetic conduction board 2. The first magnetic conduction plate 5 and the second magnetic conduction plate 2 are annular plates, the inner diameters of the first magnetic conduction plate and the second magnetic conduction plate are matched with the excircle of the static iron core 7, the outer diameters of the first magnetic conduction plate and the second magnetic conduction plate are the same and are equal to the height of the wall of the insulating groove, and the first magnetic conduction plate and the second magnetic conduction plate are respectively sleeved on the static iron core 7 between the two insulating grooves and the seal heads 8 of the static iron core 7 outside the two insulating grooves.
The shell 4 is the pipe, and its internal diameter equals with the cell wall height of the external diameter of first magnetic conduction board 5, second magnetic conduction board 2 and two insulated slots, and its length equals with the axial length of two insulated slots, the thickness sum of first magnetic conduction board 5 and two second magnetic conduction boards 2, and its both ends and corresponding second magnetic conduction board 2 within a definite time, its middle and first magnetic conduction board 5 within a definite time all are interference fit and are in the same place, all have insulating layer 14 within a definite time with first coil 3 and second coil 6 in its interior circle.
External threads are machined at the outer ends of the seal heads 8 at the two ends of the static iron core 7, a fastening nut 1 is screwed at the outer end of one seal head 8, and the other end of the seal head is screwed into a valve body of the hydraulic valve in use.
Claims (5)
1. The bidirectional proportional electromagnet for the hydraulic valve comprises a static iron core, a movable iron core and a connecting rod; the static iron core is tubular, two ends of the static iron core are provided with end sockets, and the inner ends of the two end sockets are connected with magnetic shielding sheets; the inner circle of the static iron core inside the inner end of the end socket is provided with an inner convex ring; the movable iron core is rod-shaped, the diameter of the movable iron core is matched with the inner diameter of the inner convex ring, the movable iron core and the inner convex ring are in sliding fit, and the length of the movable iron core is shorter than the distance between the two magnetism isolating sheets; one end socket is provided with an axial hole, the connecting rod is positioned in the axial hole and is in sliding fit with the axial hole, the inner end of the connecting rod is connected with the adjacent end of the movable iron core, and the outer end of the connecting rod extends out of the end socket and is connected with the valve core in an installation state; there is the insulating groove who is used as coil skeleton on the quiet iron core excircle, its characterized in that: the insulation groove has two, has first coil and second coil in two insulation grooves respectively.
2. The bidirectional proportional electromagnet for a hydraulic valve according to claim 1, wherein: the inner convex ring is formed by welding copper.
3. The bidirectional proportional electromagnet for a hydraulic valve according to claim 1, wherein: a first magnetic conduction plate is arranged between the two insulation grooves, and second magnetic conduction plates are arranged on the outer sides of the two insulation grooves; the first magnetic conduction plate and the second magnetic conduction plate are annular plates, the inner diameters of the first magnetic conduction plate and the second magnetic conduction plate are matched with the excircle of the static iron core, the outer diameters of the first magnetic conduction plate and the second magnetic conduction plate are the same and are equal to the height of the wall of the insulating groove, and the first magnetic conduction plate and the second magnetic conduction plate are respectively sleeved on the static iron core between the two insulating grooves and the seal heads of the static iron core outside the two insulating grooves.
4. The bidirectional proportional electromagnet for a hydraulic valve according to claim 3, wherein: also includes a housing; the shell is a circular tube, the inner diameter of the shell is equal to the outer diameters of the first magnetic conduction plate and the second magnetic conduction plate and the heights of the groove walls of the two insulation grooves, the length of the shell is equal to the sum of the axial lengths of the two insulation grooves and the thicknesses of the first magnetic conduction plate and the two second magnetic conduction plates, the two ends of the shell are in interference fit with the corresponding second magnetic conduction plates, the middle of the shell is in interference fit with the first magnetic conduction plates, and an insulation layer is arranged between the inner circle of the shell and the first coil and between the inner circle of the shell and.
5. The bidirectional proportional electromagnet for a hydraulic valve according to claim 3, wherein: the static iron core has external screw threads at both ends, and has a fastening nut at one end, and the other end is screwed into the valve body of the hydraulic valve when in use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922355663.6U CN211624347U (en) | 2019-12-25 | 2019-12-25 | Bidirectional proportional electromagnet for hydraulic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922355663.6U CN211624347U (en) | 2019-12-25 | 2019-12-25 | Bidirectional proportional electromagnet for hydraulic valve |
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| Publication Number | Publication Date |
|---|---|
| CN211624347U true CN211624347U (en) | 2020-10-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922355663.6U Active CN211624347U (en) | 2019-12-25 | 2019-12-25 | Bidirectional proportional electromagnet for hydraulic valve |
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| CN (1) | CN211624347U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113611478A (en) * | 2021-10-08 | 2021-11-05 | 余姚市三力信电磁阀有限公司 | Electromagnetic coil structure for electromagnetic valve |
| CN113803514A (en) * | 2021-11-17 | 2021-12-17 | 星宇电子(宁波)有限公司 | Exhaust gas deflation control proportion pilot head and proportion electromagnetic valve |
-
2019
- 2019-12-25 CN CN201922355663.6U patent/CN211624347U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113611478A (en) * | 2021-10-08 | 2021-11-05 | 余姚市三力信电磁阀有限公司 | Electromagnetic coil structure for electromagnetic valve |
| CN113611478B (en) * | 2021-10-08 | 2022-01-25 | 余姚市三力信电磁阀有限公司 | Electromagnetic coil structure for electromagnetic valve |
| CN113803514A (en) * | 2021-11-17 | 2021-12-17 | 星宇电子(宁波)有限公司 | Exhaust gas deflation control proportion pilot head and proportion electromagnetic valve |
| CN113803514B (en) * | 2021-11-17 | 2022-02-08 | 星宇电子(宁波)有限公司 | Exhaust gas deflation control proportion pilot head and proportion electromagnetic valve |
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