JP5167060B2 - Electromagnetic solenoid coil spool and electromagnetic solenoid coil body - Google Patents

Description

  The present invention relates to an electromagnetic solenoid coil spool and an electromagnetic solenoid coil body that are equipped for driving electric parts for vehicles and the like, and more particularly to an electromagnetic solenoid coil spool in which the winding state of a wire around the spool is improved. And a coil body for an electromagnetic solenoid.

  The rotating mechanism with the electromagnetic solenoid coil body includes various valve opening and closing mechanisms, shades that control the light distribution of the low and high discharge headlamps, levelers that adjust the irradiation direction up and down, and the irradiation direction left and right The present invention is applied to an AFS to be adjusted and a shift lever lock device of a vehicle (AT vehicle) equipped with an automatic transmission.

As shown in FIGS. 6A and 6B, the electromagnetic solenoid coil body 50A has spools 52 having flanges 50 and 51 at both ends of the body 52a. The wire 53 is laminated and wound in a continuous multistage manner.
When the strand 53a of the wire 53 is directly wound around the body 52a as the first stage, the strand 53a becomes spiral with respect to the body 52a. For this reason, a crescent-shaped gap is generated between the flange portion 50 and the winding start strand 53a of the first stage F1, and between the flange portion 51 and the winding end strand 53a of the first stage F1. The line 53a becomes unstable and is likely to be displaced in the axial direction of the spool 52 {see arrows M and N in FIG. 6C).

  In this state, when the strand 53b of the second stage F2 is wound on the strand 53a of the first stage F1, the strand 53a is displaced, so that the strand 53b bites between the strands 53a. Unwinding occurs. If the wires 53c and 53d of the third stage F3 and the fourth stage F4 are continuously wound while being unrolled, the unrolled state accumulates at each stage and the outer peripheral surface is unevenly undulated. In FIG. 6C, the cross section of the wire 53 is not blanked and left blank for simplification.

If the coil body 50A is in a turbulent winding state, when the coil body 50A is covered with a waterproof / dustproof resin mold, the outer periphery of the resin mold also undulates, so that the mounting accuracy with respect to other members in the vehicle cannot be maintained. is there.
As a technique for preventing the winding of the wires and arranging the windings, there is a lifting device and an alignment winding spool (see Patent Documents 1 and 2).

  In Patent Document 1, a gap corresponding to the radius of the wire is provided between the first-stage wire and the flange as the first winding side gap in the trunk winding. Protrusions that go around the body winding are provided in the gap so as to prevent displacement of the initial winding line toward the gap. In addition to this, a guide groove for guiding the first winding line is formed on the outer circumferential surface of the body winding so as not to cause a positional shift in the heel direction of the first winding line.

In Patent Document 2, a triangular protrusion whose height increases in the winding direction of the wire is provided on the body of the spool, and a guide groove is formed on the outer peripheral surface of the body so as to run the wire. When winding the wire around the body, it is pushed by the protrusion when the first-stage wire goes around, so that it goes to the adjacent guide groove without going around the lower-stage wire. .
JP 2000-247579 A JP-A-2-56383

In Patent Document 1, since the protrusion is considered to have a uniform width corresponding to a ½ wire diameter of the wire, the protrusion corresponds to a ½ wire diameter of the wire between the heel and the first winding start wire. There is a possibility that the target of application is limited to those in which a gap is generated. The guide groove that guides the first winding line to the outer circumference of the body winding needs to be a depression corresponding to the wire diameter of the wire, so a new die is created for the spool whenever the wire diameter is different. This is inevitably disadvantageous in terms of cost.
Also in Patent Document 2, since the guide groove that allows the wire to run along the body is formed, as in Patent Document 1, every time the wire diameter dimension of the wire is different, a new mold must be produced for the spool. There is an inconvenience.

  The present invention has been made in view of the above circumstances, and an object of the present invention is to enable a wire to be aligned and wound with a simple configuration, and to be applied even if the wire diameters of the wires are different. It is an object of the present invention to provide an electromagnetic solenoid coil spool and an electromagnetic solenoid coil body that are advantageous in terms of cost and that are excellent in productivity.

(About claim 1)
In the spool of the electromagnetic solenoid coil, the spool body has a first collar part and a second collar part formed at one end and the other end of the body, respectively. A wire having a constant wire diameter is spirally reciprocated between the first collar part and the second collar part on the body, wound in close contact, and continuously stacked in multiple stages. The projecting ridges having a triangular cross section are provided at the corners in contact with the first flange of the body so that the width gradually increases from the start end to the end and the hypotenuse faces the wire.
The inclination angle formed by the lateral side and the oblique side of the cross section of the ridge is an angle range of 40 ° -60 °, the width of the start end is not more than 0.3 times the wire diameter of the wire, The width dimension is 1 to 1.3 times the wire diameter of the wire, and the length from the start end to the end is equal to the half or full circumference of the body.
When the wire is wound directly on the body as the first step from the start to the end of the ridge, the wire start wire is pressed against the base of the ridge so that the adjacent wire Wires to be aligned are in close contact with each other without any gaps.

According to the first aspect of the present invention, the gradually extending ridge portion is provided at the corner portion of the body so as to face the wire. That is, when the first-stage wire is wound around the body, the protrusion is disposed in a gap that is inevitably generated between the first flange and the wire along the first flange.
As a result, the winding start strand of the first-stage wire is pressed against the base portion of the ridge, and the adjacent strands of the wire are brought into close contact with each other and stabilized, so that no positional deviation occurs. The wire of the upper stage, such as the second stage, the third stage, the fourth stage, etc., wound in multiple layers around the first stage wire is stabilized without biting between the lower stage wire strands, Wire alignment winding is realized.
As a result, when the coil body is covered with a waterproof / dustproof resin mold, the outer periphery of the resin mold also becomes a uniform surface, so that it is possible to maintain good mounting accuracy with respect to other members in the vehicle. .
As a result, the winding of the wire can be prevented with a simple configuration such as a protrusion, and the same spool can be applied even to wires of different diameters, unlike the conventional case in which a guide groove is formed in the body. . For this reason, it is not necessary to produce a new mold for the spool, which is advantageous in terms of cost, and excellent productivity can be obtained, which is suitable as an electrical component to be mounted on a vehicle.
Further, the ridge portion has a triangular cross section, and may be the length of the half circumference or the entire circumference of the body. Therefore, the ridge portion may have a simple configuration, which is advantageous in terms of cost.

(About claim 2 )
In the coil body for an electromagnetic solenoid, the spool body has a first collar part and a second collar part formed in order on one end and the other end of the body. The wire has a certain wire diameter dimension, and is repeatedly stacked on the trunk body in a continuous multi-stage by repeatedly reciprocating spirally between the first collar part and the second collar part and winding in close contact. The projecting portion having a triangular cross section is provided at a corner portion in contact with the first flange portion of the body so that the width gradually increases from the start end portion to the end portion, and the hypotenuse faces the wire.
The inclination angle formed by the lateral side and the oblique side of the cross section of the projecting portion is an angle range of 40 ° -60 °, and the width of the starting end is not more than 0.3 times the wire diameter of the wire. The width dimension is 1 to 1.3 times the wire diameter of the wire, and the length from the start end to the end is equal to the half or full circumference of the body.
When the wire is wound directly on the body as the first step from the start to the end of the ridge, the wire start wire is pressed against the base of the ridge so that the adjacent wire The strands to be aligned are aligned in close contact with no gaps.
Although the second aspect differs from the first aspect in that it is a coil body for an electromagnetic solenoid, the same effect as in the first aspect can be obtained with respect to the spool body.

(Claim 3 )
Since the wire diameter dimension of the wire is set in a numerical range of 0.2 mm to 0.7 mm, it is suitable as a wire used for a coil body for an electromagnetic solenoid as an electrical component for a vehicle.
(Claims 4 and 5)
Of the horizontal side, vertical side, and hypotenuse of the ridge, the part of the hypotenuse that circumscribes the wire strand is cut off by a chamfer that is perpendicular to the body and circumscribes the wire strand in the wire length direction. Forming the base.
(About claims 6 and 7)
The protrusions are also provided at the corners in contact with the second flange part of the fuselage so that the protrusions of the first flange part and the protrusions of the second flange part are point-symmetric to the left and right at the center of the fuselage. Is arranged.

  In the present invention, since the protrusions having a triangular cross section are provided at the corners of the fuselage so as to face the wire, when the wire is wound around the fuselage as the first stage, the winding start wire of the wire Is in pressure contact with the base of the ridge, and the adjacent strands of the wire are brought into close contact with each other and stabilized, so that positional deviation does not occur. The strands of the upper wires wound around the first-stage wire in a multilayer manner are stabilized without biting between the strands of the lower-stage wires, and aligned winding of the wires is realized in an advantageous cost. Because it can be applied even if the wire diameter is different, there is no need to create a new mold for the spool, which is advantageous in terms of cost, and is an electrical component that is mounted on a vehicle with excellent productivity It becomes suitable as.

  1 to 3 show a first embodiment of the present invention. The electromagnetic solenoid 1 in FIG. 1 (a) includes an actuator for opening and closing various valves, a shade for controlling light distribution of the low and high of a discharge-type headlamp, a leveler for adjusting the irradiation direction up and down, and a left and right irradiation direction. It is used for a shift lever lock device of a vehicle (AT car) equipped with an AFS that adjusts automatically and an automatic transmission.

  The electromagnetic solenoid 1 has a coil body 4 formed by winding a wire 3 around a spool body 2 (spool). The outer periphery of the coil body 4 is covered with a waterproof / dust-proof resin mold 5 and a terminal portion 7 including a terminal blade 6 is provided by molding.

  As shown in FIG. 1B, the spool body 2 has a body 2a, and a first flange 2b and a second flange 2c are formed at one end and the other end of the body 2a, respectively. The length dimension from the inner wall of the first collar part 2b to the inner wall of the second collar part 2c is N times the wire diameter dimension d of the wire 3, and the wire 3 is connected to the body 2a from the first collar part 2b to the second collar part. 2c is repeatedly reciprocated in a spiral manner, wound in close contact, and laminated in a continuous multistage manner. In the case of the present embodiment, the wire diameter dimension d of the wire 3 is, for example, 0.35 mm, but the wire 3 of the electromagnetic solenoid coil body may be in the dimension range of 0.2 mm to 0.7 mm.

  As shown in FIGS. 1 (c) to 1 (d), the protrusions 8 having a certain length L are integrated with the corners of the body 2a that are in contact with the first flange 2b so as to go around the body 2a. Provided. The protruding portion 8 has a cross-sectional triangle, in particular, a cross-sectional right-angled triangle, is gradually widened from the start end 8a to the end end 8b, which is the winding direction W of the wire 3, and the hypotenuse 8c faces the wire 3. Is arranged. The protruding portion 8 is a form that is applied to the corner portion of the first flange portion 2b, but is not limited to being integrated with the body 2a, and may be another member.

  In setting the dimensional relationship of the protruding portion 8, reference is made to the schematic diagram of FIG. In FIG. 2, the horizontal side 8e and the vertical side 8f of the starting end 8a of the ridge 8 are orthogonal to each other, and the strand 3a of the wire 3 having a diameter d is pointed to the body 2a and the first flange 2b. It circumscribes at P2 and P5, and the hypotenuse 8c of the ridge portion 8 circumscribes the wire 3a of the wire 3 at a point Q. At the end portion 8b of the ridge portion 8, the strand 3a of the wire 3 circumscribes the hypotenuse 8c at a point P4.

The distance QS perpendicular to the hypotenuse 8c at the start end 8a is O1S-O1Q. Since O1S is O1P2 / cosθ, the distance QS = O1P2 / cosθ-O1Q is obtained.
On the other hand, SK1 which is the horizontal side 8e is SK1 = QS / sin θ, and a relationship of SK1 = O1P2 / sin θ · cos θ−O1Q / sin θ occurs. From the relationship of O1P2 = O1Q = d / 2, finally SK1 = {(1/2 sin θ · cos θ) − (1/2 sin θ)} · d = {(1 / cos θ) −1} (d / 2 sin θ). can get.

On the other hand, SK2, which is the vertical side 8f, is calculated as SK1 · tan θ, and thus has a relationship of SK2 = {(1/2 sin θ · cos θ) − (1/2 sin θ)} · d · tan θ. Since tan θ = sin θ / cos θ, SK2 = {(1/2 cos ² θ) − (1/2 cos)} · d = {(1 / cos θ) −1} (d / 2 cos θ) is obtained.
The inclination angle θ formed by the oblique side 8c and the lateral side 8e of the ridge 8 is in the range of 40 ° -60 °. As an example, when the inclination angle θ is 45 °, the width dimensions SK1 and SK2 on both sides. The horizontal side 8e and the vertical side 8f are equal, and (1−√2 / 2) d≈0.3d.

Since the end portion 8b of the ridge portion 8 makes one round (the entire circumference) with the body 2a having a circumferential angle of 360 °, the width dimension of the end portion 8b is equal to the width dimension SK1 of the start end portion 8a. The diameter d is added to obtain 1.3d. That is, the variation range of the width dimension of the horizontal side 8e and the vertical side 8f of the protrusion 8 is 0.3d at the start end 8a and 1.3d at the end 8b.
In FIG. 2, the spool body 2 and the wire 3 are exaggerated for ease of explanation, but a slight margin is given to the width dimension range of the start end portion 8a and the end portion 8b. The width dimension of the start end portion 8a may be a dimension range of 0.3 times or less of the wire diameter d of the wire, and the width dimension of the end portion 8b may be a dimension range of 1 to 1.3 times the wire diameter d of the wire 3. . In the above, the case where the horizontal side 8e and the vertical side 8f of the ridge portion 8 are orthogonal to each other has been described as an example, but the horizontal side 8e and the vertical side 8f are not necessarily limited to being orthogonal.

In FIG. 3, when the wire 3 is directly wound around the body 2a as the first stage F1 from the start end 8a of the ridge 8 along the end 8b, the winding start wire 3a of the wire 3 is the ridge. By pressing the 8 base portions 8d, the adjacent strands 3a of the wires 3 are aligned in close contact.
That is, when winding the strand 3a of the wire 3 of the first stage F1 around the body 2a, the protrusions are formed in the gap that is inevitably generated between the first flange 2b and the wire 3 along the second flange 2c. Part 8 is arranged.

  Thereby, the winding start strand 3a of the wire 3 in the first stage F1 comes into pressure contact with the base portion 8d of the protruding portion 8, and the adjacent strands 3a of the wire 3 are in close contact with each other, and stable displacement does not occur. . The wires 3b, 3c, 3b, 3c of the upper wires 3 such as the second step F2, the third step F3, the fourth step F4, etc., wound around the wires 3a of the wire 3 of the first step F1 in multiple layers. 3d is stabilized without biting between the strands of the lower wire 3, and the aligned winding of the wire 3 is realized. In FIG. 3, the cross section of the wire 3 is left blank without simplification for simplification. The same applies to FIG. 5 described later.

Accordingly, when the coil body 4 is covered with the waterproof / dustproof resin mold 5, the outer periphery of the resin mold 5 is also a uniform surface, so that it is possible to maintain good mounting accuracy with respect to other members in the vehicle. .
As a result, irregular winding of the wire 3 can be prevented with a simple configuration such as the ridge portion 8, and unlike the conventional case in which a guide groove is formed in the body, the same spool can be applied to wires of different diameters. Can do. For this reason, it is not necessary to produce a new mold for the spool, which is advantageous in terms of cost, and excellent productivity can be obtained, which is suitable as an electrical component to be mounted on a vehicle.

  4A to 4C show Example 2 of the present invention. Example 2 differs from Example 1 in that the protrusion 8 is half length L / 2 and is wound around the body 2a by a half circumference with a circumferential angle of 180 °.

  FIG. 4 (d) shows Example 3 of the present invention. Example 3 differs from Example 2 in that the hypotenuse 8c of the ridge portion 8 is formed along a conical curved surface such as a gentle paraboloid, hyperboloid, or ellipsoid. The hypotenuse 8c may be applied to the ridge portion 8 of the first embodiment.

FIG. 5 shows a fourth embodiment of the present invention. The difference between the fourth embodiment and the first embodiment is that the base portion 8d of the protruding portion 8 is chamfered. That is, of the lateral side 8e, the vertical side 8f, and the oblique side 8c of the ridge 8, the portion where the oblique side 8c circumscribes the wire 3a of the wire 3 is cut off in the vertical direction by the chamfered portion 8h on the body 2a. A new base portion 8g circumscribing the three strands 3a in the line length direction is formed.
In Example 2-4, the same effect as in Example 1 can be obtained.

(Modification)
The protrusions 8 provided in the first embodiment may also be formed on the second flange 2c side so that both are point-symmetric with respect to the center of the body 2a in the direction perpendicular to the axis.

  In the present invention, when the wire is wound around the body as the first stage, the winding start strand of the wire is pressed against the base portion of the protrusion, and the adjacent strands of the wire are in good contact and stable. , No displacement occurs. Wires of the upper stage wound around the first-stage wire in a multilayer manner can be stably wound without intervening between the wires of the lower-stage wire. Since it is advantageous in terms of cost, it is suitable as a coil body for an electromagnetic solenoid to be mounted on a vehicle, and can be applied to the machine industry through the distribution of parts by stimulating demand for a vehicle-related business.

(A) is a longitudinal sectional view of the electromagnetic solenoid, (b) is a side view of the spool body, (c) is a top view of the ridge, and (d) is a transverse section taken along the line DD of FIG. 1 (b). (Example 1) which is a figure. It is a schematic diagram shown in order to set the related dimension of a protrusion part (Example 1). (Example 1) which is an expanded longitudinal cross-sectional view which shows the state which aligned and wound the wire to the spool main body. (A) is a side view of the spool body, (b) is a top view of the ridge, and (c) is a cross-sectional view along the line EE of FIG. 4 (a) (Example 2), (d ) It is a top view of the ridge part (Example 3). (Example 4) which is an expanded partial side view of a spool main body. (A) is a side view of the spool body, (b) is a cross-sectional view taken along the line H-H of (a), and (c) is an enlarged vertical cross-sectional view showing a state in which the wire is turbulently wound around the spool ( Conventional technology).

Explanation of symbols

1 Electromagnetic solenoid 2 Spool body (spool)
2a Body 2b 1st collar part 2c 2nd collar part 3 Wire 3a-3d Wire of wire 4 Coil body 5 Resin mold 8 Projection part 8a Projection end part 8b Projection end part 8c Projection part inclination angle oblique side 8d, and the hypotenuse of chamfer θ ridges of the vertical side 8h protrusions of the lateral side 8f ridges of the base 8e ridges of 8g ridges and transverse side forms
Diameter of d wire
W wire winding direction

Claims (7)

A first hook part and a second hook part are respectively formed at one end and the other end of the fuselage, and a wire having a fixed wire diameter is formed between the first hook part and the second hook part on the fuselage. A spool body that is repeatedly reciprocated in a spiral shape, wound in a close contact state, and continuously stacked in multiple stages;
A corner portion in contact with the first flange portion of the body includes a ridge portion having a triangular cross section provided so as to be gradually widened from a start end portion to a terminal end portion and having a hypotenuse facing the wire,
The inclination angle formed by the lateral side and the oblique side of the cross section of the protrusion is an angle range of 40 ° -60 °, and the width of the start end is not more than 0.3 times the wire diameter of the wire, The width of the terminal portion is 1 to 1.3 times the wire diameter of the wire, and the length from the starting end portion to the terminal end portion is equal to a half or full circumference of the body.
When the wire is wound directly on the body as the first step from the starting end portion of the ridge portion along the terminal end portion, the winding start wire of the wire is pressed against the base portion of the ridge portion. By doing so, the adjacent strands of the wire are aligned in close contact with no gap, and the spool of the electromagnetic solenoid coil is characterized in that A spool body in which a first collar part and a second collar part are formed in order on one end part and the other end part of the fuselage, and has a certain wire diameter dimension, and the fuselage has the first collar part to the second collar part; A wire that is repeatedly wound back and forth in a spiral manner, wound in close contact, and laminated in a multi-stage,
A corner portion in contact with the first flange portion of the body, and having a projecting portion having a triangular cross section provided so as to be gradually widened from a start end portion to a terminal end portion and having a hypotenuse facing the wire;
The inclination angle formed by the lateral side and the oblique side of the cross section of the projecting portion is an angle range of 40 ° -60 °, and the width dimension of the starting end portion is not more than 0.3 times the wire diameter of the wire, The width dimension of the terminal portion is 1 to 1.3 times the wire diameter of the wire, and the length from the starting end portion to the terminal end portion is equal to the half circumference or the entire circumference of the trunk,
When the wire is wound directly on the body as a first step from the start end portion of the ridge portion along the end portion, the wire winding start wire comes into pressure contact with the base portion of the ridge portion. it allows the wire adjacent features and to that conductive magnetic solenoid coil body that the wires each other aligned without gaps close contact. 3. The coil body for an electromagnetic solenoid according to claim 2 , wherein the wire diameter dimension of the wire is set in a numerical range of 0.2 mm to 0.7 mm . Of the horizontal side, vertical side, and oblique side of the protruding portion, a portion of the oblique side circumscribing the strand of the wire is cut off by a chamfered portion perpendicular to the body, and the strand of the wire The spool of the electromagnetic solenoid coil according to claim 1, wherein a base portion circumscribing in the wire length direction is formed . Of the horizontal side, vertical side, and oblique side of the protruding portion , a portion of the oblique side circumscribing the strand of the wire is cut off by a chamfered portion perpendicular to the body, and the strand of the wire The coil body for an electromagnetic solenoid according to claim 2 , wherein a base portion circumscribing in the wire length direction is formed . The protruding portion is also provided at a corner portion that contacts the second flange portion of the body, and the protruding portion of the first flange portion and the protruding portion of the second flange portion are the center of the body. The electromagnetic solenoid coil spool according to claim 1 , wherein the spool is arranged so as to be point-symmetrical to the left and right . The protruding portion is also provided at a corner portion that contacts the second flange portion of the body, and the protruding portion of the first flange portion and the protruding portion of the second flange portion are the center of the body. The coil body for an electromagnetic solenoid according to claim 2 , wherein the coil body is arranged so as to be point-symmetric to the left and right .

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