CN109036761B - DC electromagnet - Google Patents
DC electromagnet Download PDFInfo
- Publication number
- CN109036761B CN109036761B CN201810857155.5A CN201810857155A CN109036761B CN 109036761 B CN109036761 B CN 109036761B CN 201810857155 A CN201810857155 A CN 201810857155A CN 109036761 B CN109036761 B CN 109036761B
- Authority
- CN
- China
- Prior art keywords
- iron core
- locking
- movable iron
- groove
- supporting frame
- 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.)
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 64
- 238000005452 bending Methods 0.000 claims abstract description 4
- 230000006835 compression Effects 0.000 claims abstract description 4
- 238000007906 compression Methods 0.000 claims abstract description 4
- 239000011324 bead Substances 0.000 claims description 23
- 238000007789 sealing Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/08—Electromagnets; Actuators including electromagnets with armatures
- H01F7/081—Magnetic constructions
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/08—Electromagnets; Actuators including electromagnets with armatures
- H01F7/088—Electromagnets; Actuators including electromagnets with armatures provided with means for absorbing shocks
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/08—Electromagnets; Actuators including electromagnets with armatures
- H01F7/121—Guiding or setting position of armatures, e.g. retaining armatures in their end position
- H01F7/124—Guiding or setting position of armatures, e.g. retaining armatures in their end position by mechanical latch, e.g. detent
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/08—Electromagnets; Actuators including electromagnets with armatures
- H01F7/128—Encapsulating, encasing or sealing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/08—Electromagnets; Actuators including electromagnets with armatures
- H01F7/16—Rectilinearly-movable armatures
- H01F7/1607—Armatures entering the winding
- H01F7/1615—Armatures or stationary parts of magnetic circuit having permanent magnet
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/08—Electromagnets; Actuators including electromagnets with armatures
- H01F7/081—Magnetic constructions
- H01F2007/086—Structural details of the armature
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electromagnets (AREA)
Abstract
The invention relates to a direct-current electromagnet, wherein a supporting frame is a closed-loop rectangular frame; the supporting frame is provided with a shaft hole matched with the movable iron core; the movable iron core is arranged on the supporting frame under the action of the guide component; coaxially sleeving the coil on the movable iron core; the two ends of the coil are respectively fixed on the supporting frame; a circuit connector is reserved on the coil; the guide assembly is also provided with a locking piece; the movable iron core is also fixed with a magnetic strip; the magnetic strip is arranged along the axial direction of the movable iron core; the magnetic strip is fixed on the rotating surface of the movable iron core in a clamping manner; two end plates are sleeved on the movable iron core; the edge of the end plate is provided with a groove; a right-angle bent locking plate is arranged in the groove; the bending part of the locking plate is fixed in the groove through a pin roll; the locking plate rotates around the pin shaft, the lower end of the locking plate is turned out from the groove, and a compression spring is arranged between the upper end of the locking plate and the groove; the side wall of the groove is provided with a through hole; a pull rod is fixed to the upper end of the locking plate through the through hole.
Description
Technical Field
The invention relates to the field of electromagnet structures, in particular to a direct-current electromagnet.
Background
The electromagnet is a device for generating electromagnetic by electrifying, and after the iron core is inserted into the coil, the iron core is magnetized by the magnetic field of the coil. The electro-magnet on the market usually includes support, coil and telescopic link, support and coil fixed connection are equipped with the through-hole on the support, the telescopic link includes ejector pin and top cover, the ejector pin activity wears to establish in support and coil, because the setting of through-hole on the support, make the electro-magnet get into impurity and moisture from the through-hole easily in the use, impurity includes oil stain, dust etc. the moisture can accelerate moving part and corrode rusty speed, impurity and corrosion can influence the smooth motion of moving part, finally lead to the unable normal work of electro-magnet, thereby need dismantle and change, waste manpower and resource.
Disclosure of Invention
The invention adopts a technical scheme that a direct-current electromagnet is provided, and comprises a supporting frame, a coil, a movable iron core and a guide assembly; the supporting frame is a closed-loop rectangular frame; the supporting frame is provided with a shaft hole matched with the movable iron core; the movable iron core is arranged on the supporting frame under the action of the guide component; coaxially sleeving the coil on the movable iron core; the two ends of the coil are respectively fixed on the supporting frame; a circuit connector is reserved on the coil; the guide assembly is also provided with a locking piece; the locking piece is inlaid in the supporting frame outside the shaft hole; the locking piece comprises a locking block and a locking bead; a cavity for placing the lock beads is arranged in the lock block; the locking beads are placed in the cavity; the diameter of the outlet of the cavity is smaller than the diameter of the lock ball; a position spring is also arranged in the cavity; the position spring props against the locking bead, and the locking bead is in contact locking with the movable iron core; a sloping locking groove is arranged on the movable iron core; the locking groove is formed along the extending direction of the movable iron core; the bottom surface of the locking groove is a slope surface; the rotary surface of the slope surface driven iron core is arranged in the direction of the shaft core and along an oblique angle of 15 degrees; the end surface of the locking groove is perpendicular to the rotating surface of the movable iron core; the locking beads are limited by the tail end surfaces of the locking grooves; a magnetic strip is also fixed on the movable iron core; the magnetic strip is arranged along the axial direction of the movable iron core; the magnetic strip is fixed on the rotating surface of the movable iron core in a clamping manner; two end plates are sleeved on the movable iron core; the magnetic stripe is locked between the two end plates; the edge of the end plate is provided with a groove; a right-angle bent locking plate is arranged in the groove; the bending part of the locking plate is fixed in the groove through a pin roll; the locking plate rotates around the pin shaft, the lower end of the locking plate is turned out from the groove, and a compression spring is arranged between the upper end of the locking plate and the groove; the side wall of the groove is provided with a through hole; a pull rod passes through the through hole and is fixed to the upper end of the locking plate; both ends of the magnetic stripe are provided with V-shaped grooves for limiting the lower ends of the locking plates.
Preferably, the guide assembly comprises a guide sleeve matched between the movable iron core and the shaft hole; sealing rings are arranged on two sides of the guide sleeve; the support frame is externally provided with a waterproof sealing sleeve.
Preferably, the movable iron core is provided with three magnetic strips; the corners of the intervals between adjacent magnetic stripes are the same; a groove is formed in the end plate corresponding to each magnetic strip; a locking plate is arranged in each groove.
The beneficial effects of the invention are as follows: the direct-current electromagnet is reasonable in structural design, the locking structure arranged on the frame is utilized to limit the section bar of the movable iron core, the blocking piece is prevented from being arranged in the electromagnet, the impact of the movement of the iron core on the internal coil and other structures is reduced, and therefore the service life of the structure is prolonged. Meanwhile, the locking structure arranged on the iron core is utilized for fixing and mounting the magnetic stripe, and the elastic locking structure is simple, convenient to operate and suitable for rapid assembly and disassembly.
Drawings
FIG. 1 is a block diagram of a DC electromagnet;
FIG. 2 is a cross-sectional view of the locking element;
FIG. 3 is a cross-sectional view of a magnetic stripe attachment structure;
The marks of all parts in the drawings are as follows 1, a supporting frame; 2. a coil; 3. a movable iron core; 4. a guide assembly; 5. a locking piece; 6. locking the beads; 7. a cavity channel; 8. a return spring; 9. a locking groove; 10. a magnetic stripe; 11. an end plate; 12. a groove; 13. a locking plate; 14. a pull rod; 15. compressing the spring.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present invention.
Referring to fig. 1 to 3, an embodiment of the present invention includes:
A DC electromagnet comprises a supporting frame 1, a coil 2, a movable iron core 3 and a guide assembly 4. The supporting frame 1 is a closed-loop rectangular frame, the supporting frame 1 is provided with a shaft hole matched with the movable iron core 3, the movable iron core 3 is arranged on the supporting frame 1 through the action of the guide component, the supporting frame 1 plays a role in integral supporting, and the structure is convenient to fix and install. The movable iron core 3 is coaxially sleeved with the coil 2, two ends of the coil 2 are respectively fixed on the supporting frame 1, a circuit connector is reserved on the coil 2, and the circuit connector is externally connected with a power supply to provide coil work. The guide assembly 4 is also provided with a locking piece which is embedded in the support frame 1 outside the shaft hole, and the guide assembly generally comprises a guide sleeve which is sleeved on the movable iron core. The locking piece comprises a locking piece 5 and a locking bead 6, a cavity 7 for placing the locking bead 6 is arranged in the locking piece 5, and the locking bead 6 is placed in the cavity 7. The diameter of the outlet of the cavity 7 is smaller than that of the lock bead 6, when the lock bead 6 is pushed forward by elastic force, the lock bead 6 is blocked at the outlet of the cavity 7, and the lock bead 6 is only exposed one third for limiting. A return spring 8 is also arranged in the cavity 7, the return spring 8 props against the lock bead 6, and the lock bead 6 is in contact locking with the movable iron core 3. The movable iron core 3 is provided with a sloping locking groove 9, and the locking groove 9 is opened along the extending direction of the movable iron core. The bottom surface of locking groove 9 is the slope face, and the rotation surface of slope face driven iron core 3 is offered to the axle core direction and along 15 oblique angles, and the purpose of seting up of this kind of locking groove 9 is the automatic roll-in of lock pearl 6 of being convenient for, and the lock pearl 6 can roll in the bottom of locking groove 9 voluntarily when moving the iron core and slide forward to avoid causing the lock to die when moving the iron core 3 and withdraw. The end surface of the locking groove 9 is perpendicular to the rotating surface of the movable iron core, and the locking bead 6 is limited by the end surface of the locking groove 9. The guide assembly comprises a guide sleeve matched between the movable iron core and the shaft hole, sealing rings are arranged on two sides of the guide sleeve, and a waterproof sealing sleeve is arranged outside the support frame 1. The locking piece is provided with two groups, and two groups of locking pieces are arranged oppositely. .
The movable iron core 3 is also fixed with a magnetic strip 10, the magnetic strip 10 is arranged along the axial direction of the movable iron core 3, and the magnetic strip 10 can increase the movable capability of the movable iron core 3. The magnetic strip 10 is fixed on the rotating surface of the movable iron core in a clamping manner, the movable iron core 3 is sleeved with two end plates 11, and the magnetic strip 10 is clamped between the two end plates. A groove 12 is formed at the edge of the end plate 11, and a locking plate 13 bent in a right angle shape is arranged in the groove 12. The locking plate 13 with elastic force can provide a locking effect, and the locking plate 13 can be freely extended or retracted under the rotation limit. The bending part of the locking plate 13 is fixed in the groove 12 through a pin shaft, the locking plate 13 rotates around the pin shaft, the lower end of the locking plate 13 is turned out of the groove, and a compression spring 15 is arranged between the upper end of the locking plate 13 and the groove 12. A through hole is provided on the side wall of the groove 12, a pull rod 14 is fixed to the upper end of the locking piece 13 through the through hole, and V-shaped grooves for limiting the lower end of the locking piece 13 are provided at both ends of the magnetic stripe 10. By withdrawing the pull rod 14, the upper end of the locking piece 13 is pulled tight, and the upper end of the locking piece 13 overcomes the elastic force to generate a locking effect. Three magnetic strips 10 are arranged on the movable iron core 3, and the corners of the intervals between the adjacent magnetic strips 10 are the same. A groove is arranged on the end plate 11 corresponding to each magnetic strip 10, and a locking plate 13 is arranged in each groove. The guide assembly comprises a guide sleeve matched between the movable iron core and the shaft hole, sealing rings are arranged on two sides of the guide sleeve, and a waterproof sealing sleeve is arranged outside the support frame. The electromagnet has simple and reasonable structure, and the locking structure arranged on the iron core is utilized for fixedly mounting the magnetic stripe; the fixed connection mode is not only inconvenient for maintenance of the structure, but also makes the structure dead plate inflexible, and the elastic locking structure is simple and convenient to operate, and is suitable for rapid loading and unloading.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related arts are included in the scope of the present invention.
Claims (3)
1. A dc electromagnet, characterized in that: comprises a supporting frame, a coil, a movable iron core and a guiding component; the supporting frame is a closed-loop rectangular frame; the supporting frame is provided with a shaft hole matched with the movable iron core; the movable iron core is arranged on the supporting frame under the action of the guide component; coaxially sleeving the coil on the movable iron core; the two ends of the coil are respectively fixed on the supporting frame; a circuit connector is reserved on the coil; the guide assembly is also provided with a locking piece; the locking piece is inlaid in the supporting frame outside the shaft hole; the locking piece comprises a locking block and a locking bead; a cavity for placing the lock beads is arranged in the lock block; the locking beads are placed in the cavity; the diameter of the outlet of the cavity is smaller than the diameter of the lock ball; a position spring is also arranged in the cavity; the position spring props against the locking bead, and the locking bead is in contact locking with the movable iron core; a sloping locking groove is arranged on the movable iron core; the locking groove is formed along the extending direction of the movable iron core; the bottom surface of the locking groove is a slope surface; the rotary surface of the slope surface driven iron core is arranged in the direction of the shaft core and along an oblique angle of 15 degrees; the end surface of the locking groove is perpendicular to the rotating surface of the movable iron core; the locking beads are limited by the tail end surfaces of the locking grooves; a magnetic strip is also fixed on the movable iron core; the magnetic strip is arranged along the axial direction of the movable iron core; the magnetic strip is fixed on the rotating surface of the movable iron core in a clamping manner; two end plates are sleeved on the movable iron core; the magnetic stripe is locked between the two end plates; the edge of the end plate is provided with a groove; a right-angle bent locking plate is arranged in the groove; the bending part of the locking plate is fixed in the groove through a pin roll; the locking plate rotates around the pin shaft, the lower end of the locking plate is turned out from the groove, and a compression spring is arranged between the upper end of the locking plate and the groove; the side wall of the groove is provided with a through hole; a pull rod passes through the through hole and is fixed to the upper end of the locking plate; both ends of the magnetic stripe are provided with V-shaped grooves for limiting the lower ends of the locking plates.
2. A dc electromagnet as set forth in claim 1 wherein: the guide assembly comprises a guide sleeve matched between the movable iron core and the shaft hole; sealing rings are arranged on two sides of the guide sleeve; the support frame is externally provided with a waterproof sealing sleeve.
3. A direct current electromagnet according to claim 1 or 2, wherein: three magnetic strips are arranged on the movable iron core; the corners of the intervals between adjacent magnetic stripes are the same; a groove is formed in the end plate corresponding to each magnetic strip; a locking plate is arranged in each groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810857155.5A CN109036761B (en) | 2018-07-31 | 2018-07-31 | DC electromagnet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810857155.5A CN109036761B (en) | 2018-07-31 | 2018-07-31 | DC electromagnet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109036761A CN109036761A (en) | 2018-12-18 |
| CN109036761B true CN109036761B (en) | 2024-04-30 |
Family
ID=64648137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810857155.5A Active CN109036761B (en) | 2018-07-31 | 2018-07-31 | DC electromagnet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109036761B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203503577U (en) * | 2013-09-13 | 2014-03-26 | 浙江正泰电器股份有限公司 | Electric leakage buckle release |
| CN205318953U (en) * | 2015-12-03 | 2016-06-15 | 刘友森 | Adopt multi -way unblock just can prevent automatic unlocking's electromagnet device |
| DE102015121707A1 (en) * | 2015-12-14 | 2017-06-14 | Eto Magnetic Gmbh | Electromagnetic actuator and control system |
| CN208507351U (en) * | 2018-07-31 | 2019-02-15 | 苏州耀德科电磁技术有限公司 | A kind of DC electromagnet |
-
2018
- 2018-07-31 CN CN201810857155.5A patent/CN109036761B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203503577U (en) * | 2013-09-13 | 2014-03-26 | 浙江正泰电器股份有限公司 | Electric leakage buckle release |
| CN205318953U (en) * | 2015-12-03 | 2016-06-15 | 刘友森 | Adopt multi -way unblock just can prevent automatic unlocking's electromagnet device |
| DE102015121707A1 (en) * | 2015-12-14 | 2017-06-14 | Eto Magnetic Gmbh | Electromagnetic actuator and control system |
| CN208507351U (en) * | 2018-07-31 | 2019-02-15 | 苏州耀德科电磁技术有限公司 | A kind of DC electromagnet |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109036761A (en) | 2018-12-18 |
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| GR01 | Patent grant |