CN111520520A - Solenoid device - Google Patents
Solenoid device Download PDFInfo
- Publication number
- CN111520520A CN111520520A CN202010085473.1A CN202010085473A CN111520520A CN 111520520 A CN111520520 A CN 111520520A CN 202010085473 A CN202010085473 A CN 202010085473A CN 111520520 A CN111520520 A CN 111520520A
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- China
- Prior art keywords
- groove
- yoke
- solenoid device
- core
- inclined surface
- Prior art date
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- 229920005989 resin Polymers 0.000 claims abstract description 40
- 239000011347 resin Substances 0.000 claims abstract description 40
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000000696 magnetic material Substances 0.000 claims abstract description 8
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 230000003247 decreasing effect Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000007423 decrease Effects 0.000 claims 1
- 239000000463 material Substances 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000007769 metal material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0675—Electromagnet aspects, e.g. electric supply therefor
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- 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
- H01F7/127—Assembling
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Electromagnets (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The invention provides a solenoid device, which can ensure the coaxiality of an iron core and a yoke, thereby smoothly driving a plunger supported in the yoke, and fully forming a magnetic circuit when the plunger is driven by the magnetic force of a coil in an electrified state. A solenoid device (1) is provided with: a bobbin (2); a coil (3) wound around the bobbin (2); an iron core (4) which is made of a magnetic material and is disposed in the bobbin (2); a yoke (5) made of a magnetic material, disposed in the bobbin (2), and adjacent to the core (4) so as to be magnetically discontinuous; and a resin member (6) that holds the core (4) and the yoke (5) in a magnetically discontinuous state, wherein the core (4) has: a first inclined surface (41) which forms a boundary groove (11) at the boundary between the core (4) and the yoke (5); and at least one annular first groove (42), wherein the resin member (6) is disposed in the boundary groove (11) and the first groove (42), and is in close contact with the first inclined surface (41).
Description
Technical Field
The present invention relates to a solenoid device.
Background
Conventionally, as an in-vehicle electromagnetic valve, an electromagnetic valve described in japanese patent application laid-open No. 2005-277306 is known. The solenoid valve described in jp 2005-277306 a includes a coil bobbin, a coil wound outside the coil bobbin, a fixed core disposed inside the coil bobbin, and a yoke disposed on one end side of the fixed core inside the coil bobbin.
In the solenoid valve described in jp 2005-277306 a, the fixed core is cylindrical with no unevenness particularly on the outer peripheral surface, and is simply inserted into the inside of the coil bobbin. Similarly, the yoke is also cylindrical with no irregularities on the outer peripheral surface, and is simply inserted into the coil bobbin. In such a structure, for example, depending on the degree of vibration of the automobile, a positional deviation between the fixed core and the yoke may occur in the coil bobbin. In this case, the coaxiality between the fixed core and the yoke cannot be secured, and the movable core supported in the yoke cannot be smoothly driven.
Further, when the movable core is driven by the magnetic force generated from the coil in the energized state, if the yoke is displaced, a magnetic path between the yoke and the coil cannot be sufficiently generated, and the movable core is insufficiently driven.
Disclosure of Invention
The present invention has an object to provide a solenoid device capable of ensuring the coaxiality of an iron core and a yoke, smoothly driving a plunger supported in the yoke, and sufficiently forming a magnetic path thereof when the plunger is driven by a magnetic force of a coil in an energized state.
One embodiment of a solenoid device according to the present invention includes: a cylindrical bobbin having a through hole penetrating in an axial direction; a coil wound around an outer periphery of the bobbin; a cylindrical iron core made of a magnetic material and disposed on one axial end side of the through hole; a cylindrical yoke made of a magnetic material, disposed on the other axial end side of the through hole, and adjacent to the core so as to be magnetically discontinuous; and a cylindrical resin member that holds the core and the yoke in a magnetically discontinuous state, the core including: a first inclined surface which is formed by a tapered portion having an outer diameter gradually decreasing toward the other end side in the axial direction at an end portion in the axial direction, and which forms a boundary groove at a boundary portion between the core and the yoke; and at least one annular first groove located closer to one end side in the axial direction than the first inclined surface, the resin member being disposed in the boundary groove and the first groove and closely attached to the first inclined surface.
According to one aspect of the solenoid device of the present invention, the coaxiality between the core and the yoke can be ensured, and the plunger supported in the yoke can be smoothly driven. Further, when the plunger is driven by the magnetic force of the coil in the energized state, the magnetic path can be sufficiently formed.
Drawings
Fig. 1 is a vertical sectional view showing an embodiment of a solenoid device of the present invention.
Fig. 2 is a vertical cross-sectional view showing a core-yoke unit in which a core and a yoke are coupled to each other, the solenoid device shown in fig. 1.
Fig. 3 is an exploded perspective view of the core-yoke unit shown in fig. 2.
Fig. 4 is a vertical sectional view sequentially showing a process of manufacturing the core-yoke unit shown in fig. 2.
Fig. 5 is a vertical sectional view sequentially showing a process of manufacturing the core-yoke unit shown in fig. 2.
Fig. 6 is a vertical sectional view sequentially showing a process of manufacturing the core-yoke unit shown in fig. 2.
Description of the reference symbols
1: a solenoid device; 2: a bobbin; 21: a peripheral portion; 22: a through hole; 23: a flange; 24: a flange; 3: a coil; 4: an iron core; 41: a first inclined surface; 42: a first groove; 43: a space; 44: a diameter reducing portion; 45: a large diameter portion; 46: a high portion; 47: a lower portion; 5: a yoke; 51: a second inclined surface; 52: a second groove; 53: a space; 56: a high portion; 57: a lower portion; 6: a resin member; 61: a first through hole; 62: a second through hole; 63: an inner side groove; 64: a first portion; 65: a second portion; 66: a third portion; 7: a housing; 71: an opening part; 73: a bending section; 74: a wall portion; 8: a ring member; 10: a core-yoke unit; 11: a boundary trench; 13: a plunger; 14: a plunger pin; 15: a valve sleeve; 151: a flange; 16: a thin-walled portion; dp42: depth; dp52: depth; dp63: depth; l is4: a distance; l is5: a distance; o is2: an axis; o is4: an axis; o is5: an axis; o is6: an axis; w42: a width; w52: a width; w63: a width;
an outer diameter;
an outer diameter; theta41: an inclination angle; theta51: and (4) inclining the angle.
Detailed Description
Hereinafter, a solenoid device according to the present invention will be described in detail based on preferred embodiments shown in the drawings.
An embodiment of a solenoid device according to the present invention will be described with reference to fig. 1 to 6. Hereinafter, for convenience of explanation, three axes perpendicular to each other are set as an X axis, a Y axis, and a Z axis. The XY plane, which contains the X and Y axes, is horizontal and the Z axis is vertical. The direction parallel to the X axis is sometimes referred to as the "axial direction" (axis O)2Direction) ", a radial direction with the axis as a center is simply referred to as a" radial direction ", and a circumferential direction with the axis as a center is simply referred to as a" circumferential direction ". The X-axis direction positive side is referred to as "one axial end side" or simply "one end side", and the X-axis direction negative side is referred to as "the other axial end side" or simply "the other end side". In this specification, the vertical direction, the horizontal direction, the upper side, and the lower side are only names for describing relative positional relationships of the respective portions, and the actual positional relationships and the like may be positional relationships other than those shown by these names.
The solenoid device 1 shown in fig. 1 controls hydraulic pressure in a hydraulic circuit in an automatic transmission of an automobile, for example. The solenoid device 1 includes a housing 7, a bobbin 2, a coil 3, a core-yoke unit 10, a plunger 13, a plunger pin 14, a ring member 8, and a valve sleeve 15.
The case 7 has a bottomed cylindrical shape. That is, the housing 7 is a cylindrical member having an opening 71 with one end side (one axial end side) open and a wall 74 with the other end side (the other axial end side) closed. The case 7 is made of a metal material having magnetism such as iron.
The bobbin 2 is disposed inside the case 7. The bobbin 2 is cylindrical and has an axis O2Is disposed parallel to the X-axis direction.
In addition, the bobbin 2 has an axis O2And a through hole 22 penetrating in the direction. The inner diameter of the through hole 22 is along the axis O2The direction is constant.
The bobbin 2 has a flange 23 projecting in the radial direction on one end side and a flange 24 projecting in the radial direction on the other end side. The flange 24 abuts against the wall 74 of the housing 7.
The bobbin 2 is made of a magnetic metal material, as in the case 7.
The coil 3 having conductivity is wound around the outer peripheral portion 21 of the bobbin 2. By turning the coil 3 into the energized state, the case 7, the bobbin 2, and the core 4 and the yoke 5 of the core-yoke unit 10 constitute a magnetic circuit. This enables the plunger 13 to be moved along the axis O2The direction is moved back and forth.
The core-yoke unit 10 has a yoke disposed on the axis O2An iron core 4 arranged on one end side of the direction and on the axis O2A yoke 5 on the other end side in the direction, and a resin member 6 disposed across the core 4 and the yoke 5.
As shown in fig. 3, the iron core 4 is cylindrical as a whole, and has an axis O4Is disposed parallel to the X-axis direction. Axis O of iron core 44With the axis O of the bobbin 22And (4) overlapping.
The yoke 5 is also formed in a cylindrical shape as a whole, and has an axis O5Is disposed parallel to the X-axis direction. Axis O of yoke 55Also with the axis O of the bobbin 22And (4) overlapping.
The resin member 6 is also cylindrical as a whole, and has an axis O similar to the core 4 and the yoke 56Is disposed parallel to the X-axis direction. Axis O of resin member 66Also with the axis O of the bobbin 22And (4) overlapping.
In the present embodiment, the core 4, the yoke 5, and the resin member 6 are each cylindrical, but the present invention is not limited thereto, and may be, for example, square cylindrical.
The core 4 and the yoke 5 are made of a magnetic material such as iron, that is, a metal material having magnetism. This can generate a magnetic path to the extent that the plunger 13 can be sufficiently reciprocated.
As shown in fig. 1 and 2, the core 4 and the yoke 5 are located on the axis O2Directionally adjacent, but separated from each other. Thereby, the core 4 and the yoke 5 are in a magnetically discontinuous state (hereinafter referred to as "magnetically discontinuous state"). Here, the "magnetic discontinuous state" refers to a state in which the magnetic path is not directly connected. In addition, in order to obtain the magnetic discontinuous state, the core 4 and the yoke 5 are separated, and for example, the core 4 and the yoke 5 are in contact, but at least one of the surfaces of the core 4 and the yoke 5 is coated with a non-magnetic coating or the like.
The resin member 6 holds the core 4 and the yoke 5 in a magnetically discontinuous state. As the resin member 6, various resin materials such as thermoplastic resin can be used.
Inside the core-yoke unit 10 having such a structure, a plunger 13 made of a magnetic material is supported along the axis O2The direction is moved back and forth. Further, inside the core-yoke unit 10, the plunger pin 14 is disposed on one end side of the plunger 13. Then, the plunger 13 reciprocates, and the force is transmitted to a valve (not shown) that switches the hydraulic circuit via a plunger pin 14. This enables the valve to operate.
As shown in fig. 1, an annular ring member 8 is inserted into the housing 7. The ring member 8 is arranged concentrically with the core-yoke unit 10. The ring member 8 is in contact with the core 4 from one end side. Further, the flange 151 of the valve sleeve 15 contacts one end side of the ring member 8. Further, the flange 151 is in contact with a bent portion 73 formed by bending the opening 71 side of the housing 7 inward. This allows the axis O of the core-yoke unit 10 to be restricted between the bent portion 73 and the wall portion 74 of the housing 72The position in the direction can thereby stably constitute a magnetic circuit.
As shown in fig. 2, the iron core 4 has an outer diameter at one end portion
A reduced diameter portion 44 formed by reducing the diameter. The reduced diameter portion 44 penetrates the ring member 8. This can regulate the radial position of the ring member 8.
The core 4 has an outer diameter adjacent to the other end of the reduced diameter portion 44
A large diameter portion 45 larger than the reduced diameter portion 44. The ring member 8 is in contact with the large diameter portion 45. This can restrict the axis O of the ring member 82The position of the direction.
Next, the detailed structure of the core-yoke unit 10 will be described.
As described above, the core-yoke unit 10 has the core arranged on the axis O2An iron core 4 arranged on one end side of the direction and on the axis O2A yoke 5 on the other end side in the direction, and a resin member 6 disposed across the core 4 and the yoke 5.
As shown in fig. 2 and 3, the core 4 includes, in its outer peripheral portion: a first inclined surface 41 located on the axis O2The other end of the direction; and a first groove 42 located closer to the axis O than the first inclined surface 412Position on one end side of the direction. The first inclined surface 41 is formed by the outer diameter
Towards the axis O2The other end side in the direction is gradually reduced. The first inclined surface 41 can form a boundary groove 11 at a boundary portion with the yoke 5.
The reduced diameter portion 44 is located on one end side of the first inclined surface 41, and the large diameter portion 45 is located between the first inclined surface 41 and the reduced diameter portion 44.
The first groove 42 is formed of an annular groove extending in the circumferential direction of the core 4. In the present embodiment, the number of the first grooves 42 is one, but the present invention is not limited thereto, and a plurality of the first grooves may be provided. For example, when the number of the first grooves 42 is three or more, the first grooves 42 are preferably arranged along the axis O2The directions are arranged at equal intervals.
Furthermore, as shown in FIG. 3, the high portion 46 and the low portion 47 having different heights in the radial direction are arranged around the axis O4Are mutually arranged between the first inclined surface 41 and the first groove 42.
The yoke 5 has, in its outer periphery: a second inclined surface 51 located on the axis O2One end of the direction; and a second groove 52 located closer to the axis O than the second inclined surface 512Position on the other end side of the direction. The second inclined surface 51 has an outer diameter
Towards the axis O2A tapered portion gradually decreasing toward one end side. The second inclined surface 51 can form the boundary groove 11 together with the first inclined surface 41. Further, as shown in fig. 2, the inclination angle θ of the first inclined surface 4141Angle of inclination theta with respect to the second inclined surface 5151Are of the same size. Accordingly, for example, when the core-yoke unit 10 is manufactured, the first inclined surface 41 and the second inclined surface 51 can be formed quickly, and thus, the manufacturing ease is improved. In addition, the inclination angle theta41To the angle of inclination theta51The sizes are the same, but the sizes are not limited thereto and may be different.
The second groove 52 is formed by an annular groove extending in the circumferential direction of the yoke 5. In the present embodiment, the number of the second grooves 52 is one, but the present invention is not limited thereto, and a plurality of the second grooves may be provided. For example, when the number of the second grooves 52 is three or more, the second grooves 52 are preferably arranged along the axis O2The directions are arranged at equal intervals.
Furthermore, as shown in FIG. 3, the high portion 56 and the low portion 57 having different heights in the radial direction are arranged around the axis O5Are disposed between the second inclined surface 51 and the second groove 52.
Along the axis O2Directional distance L between first inclined surface 41 and first groove 424Than along the axis O2The distance L between the second inclined surface 51 and the second groove 52 in the direction5Long. This enables the first groove 42 to be separated from the first inclined surface 41, thereby enabling the first inclined surface 41 to be oriented along the axis O2The length in the direction is sufficient to ensure a magnetic path.
In addition, the width W of the first groove 4242Width W of second groove 5252The depth dp of the first grooves 42 being of the same size42Depth dp of second groove 5252Are of the same size. This enables, for example, the first slot 42 and the second slot 52 to be formed quickly when the core-yoke unit 10 is manufactured, thereby improving the ease of manufacturing.
In addition, the width W42And width W52The sizes are the same, but the sizes are not limited thereto and may be different. Likewise, depth dp42And depth dp52The sizes are the same, but the sizes are not limited thereto and may be different.
In addition, the depth dp42Specific width W42Small, depth dp52Specific width W52Is small. Thereby, the depth dp can be respectively adjusted42And depth dp52The shallow setting is preferable for the magnetic circuit.
As shown in fig. 2, resin member 6 has first portion 64 disposed in boundary groove 11, second portion 65 disposed in first groove 42, and third portion 66 disposed in second groove 52.
The first portion 64 fills the entire boundary groove 11 and is closely attached to both the first inclined surface 41 and the second inclined surface 51.
The second portion 65 fills the entirety of the interior of the first groove 42 and conforms closely to the interior surface of the first groove 42.
By such first portion 64, second portion 65, and third portion 66, the iron core 4 is hooked with the resin member 6, and the contact area of the iron core 4 with the resin member 6 increases, the yoke 5 is hooked with the resin member 6, and the contact area of the yoke 5 with the resin member 6 increases. Accordingly, even when vibration from an engine of an automobile is transmitted to the core-yoke unit 10, for example, positional displacement between the core 4 and the yoke 5 can be prevented, and the coaxiality between the core 4 and the yoke 5 can be sufficiently ensured. Further, if the coaxiality of the core 4 and the yoke 5 is sufficiently ensured, the plunger 13 can be smoothly driven in the core-yoke unit 10.
As described above, the core 4 and the yoke 5 form a magnetic path when the plunger 13 is driven. Further, by preventing the positional deviation between the core 4 and the yoke 5, a magnetic path of a degree sufficient to rapidly drive the plunger 13 can be generated.
The first portion 64 is in a state of filling the entire inside of the boundary groove 11, but is not limited thereto, and may be in a state of filling a part of the inside of the boundary groove 11. Similarly, the second portion 65 is filled in the entire first groove 42, but is not limited thereto, and may be filled in a part of the first groove 42. Further, the third portion 66 is also in a state of filling the entire inside of the second groove 52, but is not limited to this, and may be in a state of filling a part of the inside of the second groove 52.
Further, at least one of the second inclined surface 51 and the second groove 52 may be omitted from the yoke 5.
As shown in fig. 3, the resin member 6 has a plurality of first through holes 61 at one end portion and a plurality of second through holes 62 at the other end portion.
The plurality of first through holes 61 are arranged at equal intervals in the circumferential direction of the resin member 6. In each first through hole 61, the high portion 46 located between the first inclined surface 41 and the first groove 42 of the core 4 enters from the inside of the resin member 6 and protrudes outward. This causes the iron core 4 to be hooked on the resin member 6.
The plurality of second through holes 62 are also arranged at equal intervals in the circumferential direction of the resin member 6. In each of the second through holes 62, the high portion 56 located between the second inclined surface 51 and the second groove 52 of the yoke 5 enters from the inside of the resin member 6 and protrudes outward. Thereby, the yoke 5 is hooked on the resin member 6.
By providing such a hook state between the one end side and the other end side of the resin member 6, the core 4 and the yoke 5 can be prevented from coming off the resin member 6, and thus the positional relationship between the core 4 and the yoke 5 can be stably maintained.
The number of the first through holes 61 and the second through holes 62 is not limited to a plurality, and may be one. The number of the first through holes 61 and the number of the second through holes 62 may be the same or different.
As shown in fig. 2, the resin member 6 has an inner groove 63 in an inner peripheral portion between the core 4 and the yoke 5, i.e., in a portion located in the boundary groove 11. The inner groove 63 is an annular groove extending in the circumferential direction of the resin member 6. The inner slot 63 is connected to the space 43 inside the core 4 and the space 53 inside the yoke 5. Such an inner groove 63 can suppress strain (deformation) or the like caused by, for example, a temperature change or a time change in the resin member 6, thereby contributing to smooth driving of the plunger 13 supported in the yoke 5.
Width W of inner slot 6363The distance is equal to the distance separating the core 4 and the yoke 5, but the distance is not limited to this and may be different. Further, the depth dp of the inner groove 63 may be set63For example with a depth dp42Or depth dp52The same applies, but not limited thereto.
Next, a method of manufacturing the core-yoke unit 10 will be described with reference to fig. 4 to 6.
First, a cylindrical base material having a predetermined length is prepared to be the core 4 and the yoke 5. The outer diameter and the inner diameter of the base material are constant in the X-axis direction. The entire length of the base material is directly the entire length of the core-yoke unit 10.
Subsequently, the base material is annealed.
Next, the base material is cut. Thereby, the base material is in the state shown in fig. 4. In the state shown in fig. 4, the core 4 and the yoke 5 are not yet separated from each other, and are coupled to each other via the thin portion 16.
Next, the base material is subjected to plating.
Next, the resin member 6 is provided on the base material by insert molding. Thereby, the base material is in the state shown in fig. 5.
Next, the inner side of the base material is cut to remove the thin portion 16 and provide the inner groove 63. This allows the core 4 and the yoke 5 to be separated from each other, thereby obtaining a core-yoke unit 10 shown in fig. 6.
The solenoid device of the present invention has been described above with respect to the illustrated embodiment, but the present invention is not limited thereto, and each part constituting the solenoid device may be replaced with any structure capable of exhibiting the same function. Further, any structure may be added.
Claims (20)
1. A solenoid device is characterized by comprising:
a cylindrical bobbin having a through hole penetrating in an axial direction;
a coil wound around an outer periphery of the bobbin;
a cylindrical iron core made of a magnetic material and disposed on one axial end side of the through hole;
a cylindrical yoke made of a magnetic material, disposed on the other end side in the axial direction of the through hole, and adjacent to the core so as to be magnetically discontinuous; and
a cylindrical resin member that holds the core and the yoke in a magnetically discontinuous state,
the iron core has:
a first inclined surface formed of a tapered portion having an outer diameter gradually decreasing toward the other end side in the axial direction at an end portion in the axial direction, and a boundary groove formed at a boundary portion between the core and the yoke; and
at least one annular first groove located closer to one axial end side than the first inclined surface in the circumferential direction,
the resin member is disposed in the boundary groove and the first groove, and is closely attached to the first inclined surface.
2. The solenoid device of claim 1,
the yoke has:
a second inclined surface that is constituted by a tapered portion whose outer diameter gradually decreases toward one end side in the axial direction at an end portion in the axial direction, and that constitutes the boundary groove together with the first inclined surface; and
at least one annular second groove located on the other axial end side of the second inclined surface in the circumferential direction,
the resin component is arranged in the second groove and is tightly attached to the second inclined surface.
3. The solenoid device of claim 2,
a distance between the first inclined surface and the first groove in the axial direction of the bobbin is longer than a distance between the second inclined surface and the second groove in the axial direction of the bobbin.
4. The solenoid device of claim 2,
the resin member has:
at least one first through hole through which a part of a portion between the first inclined surface and the first slot of the core protrudes; and
at least one second through hole through which a part of a portion between the second inclined surface of the yoke and the second groove protrudes.
5. The solenoid device of claim 3,
the resin member has:
at least one first through hole through which a part of a portion between the first inclined surface and the first slot of the core protrudes; and
at least one second through hole through which a part of a portion between the second inclined surface of the yoke and the second groove protrudes.
6. The solenoid device of claim 2,
the inclination angle of the first inclined plane is the same as that of the second inclined plane.
7. The solenoid device of claim 3,
the inclination angle of the first inclined plane is the same as that of the second inclined plane.
8. The solenoid device of claim 4,
the inclination angle of the first inclined plane is the same as that of the second inclined plane.
9. The solenoid device of claim 2,
the width of the first groove is the same as the width of the second groove.
10. The solenoid device of claim 3,
the width of the first groove is the same as the width of the second groove.
11. The solenoid device of claim 4,
the width of the first groove is the same as the width of the second groove.
12. The solenoid device of claim 6,
the width of the first groove is the same as the width of the second groove.
13. The solenoid device of claim 2,
the depth of the first groove is the same as the depth of the second groove.
14. The solenoid device of claim 3,
the depth of the first groove is the same as the depth of the second groove.
15. The solenoid device of claim 4,
the depth of the first groove is the same as the depth of the second groove.
16. The solenoid device of claim 6,
the depth of the first groove is the same as the depth of the second groove.
17. The solenoid device of claim 2,
the resin member fills the second groove.
18. The solenoid device of claim 2,
the resin member fills the boundary groove and the first groove.
19. The solenoid device according to any one of claims 1 to 18,
the resin member has an inner groove in an inner peripheral portion of a portion located in the boundary groove, the inner groove being connected to a space inside the core and a space inside the yoke.
20. The solenoid device according to any one of claims 1 to 18,
the core, the yoke, and the resin member are each cylindrical.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019018013A JP7251178B2 (en) | 2019-02-04 | 2019-02-04 | Solenoid device |
| JP2019-018013 | 2019-02-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111520520A true CN111520520A (en) | 2020-08-11 |
Family
ID=71901765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010085473.1A Withdrawn CN111520520A (en) | 2019-02-04 | 2020-02-03 | Solenoid device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP7251178B2 (en) |
| CN (1) | CN111520520A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003314731A (en) * | 2002-04-22 | 2003-11-06 | Toyoda Mach Works Ltd | Solenoid valve |
| CN1755094A (en) * | 2004-09-27 | 2006-04-05 | 株式会社京浜 | Electromagnet type fuel injection valve |
| US20090134348A1 (en) * | 2005-12-22 | 2009-05-28 | Ferdinand Reiter | Electromagnetically operatable valve |
| JP2011220401A (en) * | 2010-04-07 | 2011-11-04 | Nidec Tosok Corp | Solenoid valve |
| CN103959406A (en) * | 2011-11-01 | 2014-07-30 | 诺格伦有限责任公司 | Solenoid with an over-molded component |
| CN204315326U (en) * | 2014-12-14 | 2015-05-06 | 成都大学 | A kind of variable magnetic force line distribution proportion electromagnet |
| JP2016100517A (en) * | 2014-11-25 | 2016-05-30 | アイシン精機株式会社 | solenoid |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000097361A (en) | 1998-09-22 | 2000-04-04 | Tosok Corp | Solenoid valve |
| JP2002027723A (en) | 2000-07-11 | 2002-01-25 | Denso Corp | Manufacturing method for electromagnetic drive |
| JP2004353774A (en) | 2003-05-29 | 2004-12-16 | Aisin Seiki Co Ltd | Linear solenoid |
-
2019
- 2019-02-04 JP JP2019018013A patent/JP7251178B2/en active Active
-
2020
- 2020-02-03 CN CN202010085473.1A patent/CN111520520A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003314731A (en) * | 2002-04-22 | 2003-11-06 | Toyoda Mach Works Ltd | Solenoid valve |
| CN1755094A (en) * | 2004-09-27 | 2006-04-05 | 株式会社京浜 | Electromagnet type fuel injection valve |
| US20090134348A1 (en) * | 2005-12-22 | 2009-05-28 | Ferdinand Reiter | Electromagnetically operatable valve |
| JP2011220401A (en) * | 2010-04-07 | 2011-11-04 | Nidec Tosok Corp | Solenoid valve |
| CN103959406A (en) * | 2011-11-01 | 2014-07-30 | 诺格伦有限责任公司 | Solenoid with an over-molded component |
| JP2016100517A (en) * | 2014-11-25 | 2016-05-30 | アイシン精機株式会社 | solenoid |
| CN204315326U (en) * | 2014-12-14 | 2015-05-06 | 成都大学 | A kind of variable magnetic force line distribution proportion electromagnet |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2020126916A (en) | 2020-08-20 |
| JP7251178B2 (en) | 2023-04-04 |
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