CN108028592A - Rotary solenoid - Google Patents

Abstract

Rotary solenoid possesses the movable body portion (Sm) for being provided with and being formed such as lower component：Coil (6), it, which is held in, keeps block portion (5)；Rotation axis (4), it, which is fixed in, keeps block portion (5), and is arranged in parallel configuration with the axial line (Ls) of coil (6)；And part (7) is attracted by what magnetic material was formed, it is fixed in the defined position for keeping block portion (5), also, rotary solenoid possesses the fixed body portion (Sc) for being provided with and being formed such as lower component：Housing (2), it is formed by magnetic material；With two groups of magnet parts (8a, 8b), they are fixed in the inner surface (2p, 2q) of the housing (2), and it is configured to opposed with the axial direction of coil (6) (Fs) end, and it is configured to corresponding with the end positions of the revolution range of movable body portion (Sm) (Zm) (Xa, Xb).

Description

Rotary solenoid

Technical field

The present invention relates to rotary solenoid, which possesses：Fixed body portion, it has the shell for being provided with bearing portion Body；With movable body portion, it has the rotation axis for being supported to and rotating freely by the bearing portion.

Background technology

In the past, rotary solenoid possessed：Fixed body portion, it has in the front and rear housing for being configured with a pair of bearings portion；With can Kinetoplast portion, it has the rotation axis for being supported to and rotating freely by a pair of bearings portion, as such rotary solenoid, particularly Include the rotary solenoid for the type that the movable position of magnet etc. is turned round using rotation axis as fulcrum, it is known that propose in applicant Patent document 1 disclosed in rotary solenoid.

On the rotary solenoid disclosed in patent document 1, its object is to realize that being based on number of components cuts down and assemble The cost reduction that man-hour reduces, and realize overall small compact, specifically, which is configured to possess：Axis, It, which is arranged at the bearing portion of housing and is supported to, rotates freely；Movable body portion, it is with magnet part, the one end in the movable body portion Axis is fixed in, another side is free end, and thus, which can turn round；And excitation division, it is fixed in shell Body, can attract by being powered control or repel movable body portion, particularly be configured to possess：Movable body portion, at this The position corresponding with a corner in triangle in movable body portion is configured with axis, and matches somebody with somebody in position corresponding with remaining corner It is equipped with the magnet part for producing S poles and N poles respectively；Excitation division, it is configured to make coil axis with single coil, the single coil A upward end face faces magnet part；And movable body limiting unit, the scope that movable body portion turns round is limited in defined by it Scope.

Citation

Patent document

Patent document 1：Japanese Unexamined Patent Publication 2014-22703 publications

Disclosure of the invention

Problems to be solved by the invention

But using the rotary solenoid of above-mentioned patent document 1 as representative, particularly the movable part containing magnet etc. In the conventional rotary solenoid of the type of position revolution, there are following problem to be solved.

First, due to being structure that magnet is rotated e axle supporting, the overall weight in movable body portion becomes larger, and easily leads Cause the reduction of output torque and the reduction of response.Particularly, in this rotary solenoid, due to axis slewing area compared with Narrow, therefore, the reduction of output torque and the reduction of response become the negative factor realized in high speed motion, can be directly to using The reduction of the productivity of equipment etc. has an impact.

Second, since output torque and response are influenced by the size of magnet, in order to ensure defined output torque With response, it is necessary to which the size for making magnet is corresponding size, so that, there are the limit in the miniaturization for realize rotary solenoid Deng being easy to cause the maximization of rotary solenoid entirety.

3rd, since the weight in movable body portion becomes larger, rotary inertia becomes larger.As a result, set in the inside of housing In the case of the movable body limiting unit for being equipped with the revolution range for limiting movable body portion, the caused impact when being limited Sound also has the tendency to become larger.Therefore, from the viewpoint of quietness is improved, there is also room for improvement.

4th, it is necessary to configure in the type of movable position in conventional rotary solenoid, i.e. containing magnet etc. revolution The iron core for the high permeability for producing magnetic pole is arranged in the inner space of the coil of affixed side, so that the inductance of coil becomes very Greatly.As a result, even if applying driving voltage, the rising of electric current also can be slack-off, and this point also becomes response and is greatly reduced An important factor for.

It is an object of the invention to provide a kind of rotation helical for solving the problem present in such background technology Pipe.

Means for solving the problems

In order to solve above-mentioned problem, rotary solenoid 1 of the invention possesses：Fixed body portion Sc, it is with housing 2, shell Body 2 is provided with positioned at front and rear a pair of bearings portion 3f, 3r；With movable body portion Sm, it has is supported to by a pair of bearings portion 3f, 3r The rotation axis 4 rotated freely, it is characterised in that the rotary solenoid possesses the movable body portion for being provided with and being formed such as lower component Sm：Coil 6, it, which is held in, keeps block portion 5；Rotation axis 4, its be fixed in keep block portion 5, and with the axial line Ls of coil 6 It is arranged in parallel configuration；And part 7 is attracted by what magnetic material was formed, it is fixed in the defined position for keeping block portion 5, Also, the rotary solenoid possesses the fixed body portion Sc for being provided with and being formed such as lower component：Housing 2, it is formed by magnetic material； With two groups of magnet parts 8a, 8b, they are fixed in inner surface 2p, 2q of the housing 2, and are configured to the axial Fs ends with coil 6 Portion is opposed, and is configured to corresponding with end positions Xa, Xb of the revolution range Zm of movable body portion Sm.

In addition, in the present invention, according to the preferable mode of invention, Ke Yishi：In movable body portion, Sm is equipped with single line Circle 6, and equipped with a pair of of export lead 11s, 11t, winding both ends 6s, 6t of a pair of export lead 11s, 11t and the coil 6 Connection, and length is chosen to be the length for allowing movable body portion Sm to be shifted in revolution range Zm and configures in the inside of housing 2. On the other hand, on block portion 5 is kept, Ke Yishi, when from rotation axis 4, in the opposite side of 180 (°) relative to coil 6 Position Xn is equipped with holding groove gap portion 12s, the 12t for keeping export lead 11s, 11t, alternatively, printed wiring base can also be provided with Plate 5p, printed wiring board 5p are fixed in the single side of the holding block portion 5, and with by winding both ends 6s, 6t of coil 6 and Circuit layout portion 5ps, 5pt that a pair of export lead 11s, 11t are connected.Furthermore, it is also possible to keeping block portion 5 that limitation is set Retainer 13a, 13b, limitation retainer 13a, the 13b are abutted with the inner surface of housing 2 and carried out and the both ends of revolution range Zm The corresponding position limitation of position Xa, Xb.

Moreover, in the present invention, according to the preferable mode of invention, magnet part 8a, 8b can be by the axial Fs with coil 6 One end is opposed and is configured at single magnet 8ap, 8bp composition of the unilateral inner surface 2p of housing 2.At this point it is possible in shell Magnetic flux collection portion 14a, 14b is set respectively on the inner surface 2q of the opposite side opposed with unilateral inner surface 2p of body 2, the magnetic flux Collection portion 14a, 14b is protruded from the inner surface 2q of the opposite side, and opposed with each magnet 8ap, 8bp.In addition, magnet part 8a, 8b Can be by opposed with the axial Fs both ends of coil 6 respectively and be configured on inner surface 2p, 2q of the opposite both sides of housing 2 A pair of magnet 8ap, 8aq and 8bp, 8bq form.And it is possible to be, shell is fixed in magnet 8ap, 8bp, 8aq, 8bq absorption Inner surface 2p, 2q of body 2, and one or more the convex of inner surface 2p, 2q by being integrally formed in housing 2 Portion 15 ... is positioned.It is configured in the inner space of coil 6, and is configured at than the coil 6 furthermore, it is possible to will be attracted part 7 Middle position by 4 side of rotation axis position at, and it is possible to be configured to：Away from a pair of magnet 8ap, 8aq and 8bp, The distance of magnet 8ap, a 8bp in 8bq are different with the distance away from another magnet.And, it is preferred that it is attracted part 7 The inner space that coil 6 is chosen to be with axially vertical sectional area 0.1~10 (%) with axially vertical sectional area Scope, also, select be attracted the fixed position of part as follows：At end positions Xa, Xb of revolution range Zm, in Heart position 7c is located at turn around the defined scope on the Fr of direction relative to the position of edge part Ea, Eb ... of magnet 8ap, 8bp ... In Zs.

On the other hand, in the present invention, according to the preferable mode of invention, inner frame can be set in fixed body portion Sc Portion 17, which is positioned and is disposed in the inside of housing 2, and is integrally formed, and thus at least has to export The lead cover 17c that lead 11s, 11t are guided.At this time, in internal frame section 17, it can be integrally provided and keep block portion 5 On limitation retainer 13a, 13b abut and carry out the left side that position corresponding with end positions Xa, Xb of revolution range Zm limits Right a pair of block limiting unit 18a, 18b, also, the bearing portion 3r that can also be integrally provided in a pair of bearings portion 3f, 3r.

The effect of invention

According to the rotary solenoid 1 of the invention having a structure in which, following remarkable result is played.

(1) since weight larger magnet 8ap, 8bp, 8aq, 8bq to be fixed on to the inner surface of the housing 2 as affixed side 2p, 2q, the rotation axis 4 as drawer at movable side is supported on using the coil 6 of lighter in weight, therefore can make the entirety weight of movable body portion Sm Measure and lighten tremendously, so as to ensure higher response and output torque.It is additionally, since the inner space in coil 6 In be not present except sectional area it is small be attracted part 7 in addition to component, therefore, with the permeability in the inner space of coil 6 into than The inductance of the coil 6 of example becomes the size of the very little of number mH, and when applying driving voltage, can making electric current, almost moment rises to Saturation current etc., can realize high response.As a result, can be largely responsible for high speed motion, even with The raising of the productivity of equipment etc..

(2) magnet 8ap, 8bp, 8aq, 8bq can be configured at and be supported on the axial Fs ends of the coil 6 of rotation axis 4 The inner surface of opposed housing 2, as long as also, housing 2 inner surface 2p, 2q arranging space allow, it becomes possible to increase magnet The size of 8ap, 8bp, 8aq, 8bq, therefore, as a result, it is possible to realize that rotary solenoid 1 is whole while required performance is ensured The miniaturization of body.

(3) if setting single coil 6 in movable body portion Sm according to preferable mode, and a pair of of export lead is set 11s, 11t, wherein, a pair of export lead 11s, 11t are connected with winding both ends 6s, 6t of the coil 6, and length is chosen to be Allow the length that movable body portion Sm is shifted in revolution range Zm and be configured at the inside of housing 2, even if then movable body portion Sm times And revolution range Zm displacements, also it can easily absorb the displacement by exporting lead 11s, 11t.Thereby, it is possible to improve to include The reliability of electrical system including export lead 11s, 11t.

(4) if keeping the position relative to coil 6 of block portion 5 to be in the opposite side of 180 (°) according to preferable mode Position Xn sets holding groove gap portion 12s, the 12t for keeping export lead 11s, 11t, then enough by keeping groove gap portion 12s, 12t to protect The centre position of export lead 11s, 11t for being connected with winding both ends 6s, 6t of coil 6 are held, therefore, particularly prevents application In winding both ends 6s, 6t and the stress of the coupling part of export lead 11s, 11t of coil 6, the connecting portion office can be avoided Broken string etc..

(5) if keeping block portion 5 to set printed wiring board 5p according to preferable mode, wherein, the printed wiring base Plate 5p is fixed in the single side of the holding block portion 5, and with by winding both ends 6s, 6t of coil 6 and a pair of of export lead 11s, Circuit layout portion 5ps, 5pt that 11t is connected, then can by winding both ends 6s, 6t of coil 6 and a pair of of export lead 11s, 11t is fixed on printed wiring board 5p, is exported therefore, it is possible to easily and reliably carry out winding both ends 6s, 6t with a pair of The connection of lead 11s, 11t.Moreover, the export position of a pair of of export lead 11s, 11t are set by circuit layout portion 5ps, 5pt Put, and a pair of of export position is separated as much as possible, the export thereby, it is possible to further increase in the inside detour of housing 2 is drawn Radius of curvature at the crooked position of line 11s, 11t, therefore, it is possible to further improve export lead 11s, 11t or connecting portion The rotational displacement repeatedly for movable body portion Sm durability.Moreover, pass through the reliable fixed of connecting portion, Neng Gouti High fixing intensity and durability to anti-vibration etc., also, even in making holding block portion 5 and printed wiring by insert molding etc. In the case that substrate 5p is integrally formed, by ensuring stability during shaping, good shaping can be also carried out.

(6) if keeping block portion 5 to set limitation retainer 13a, 13b, the limitation retainer according to preferable mode 13a, 13b are abutted with the inner surface of housing 2 and are carried out position corresponding with end positions Xa, Xb of revolution range Zm and limit, then Rotary inertia can be reduced by the lightweight of movable body portion Sm, therefore, be arranged at even in by limitation retainer 13a, 13b In the case of the inside of housing 2, impulsive sound during collision can be also reduced, so as to further improve quietness.

(7) if according to preferable mode by opposed with the axial Fs one ends of coil 6 and be configured at the unilateral of housing 2 Single magnet 8ap, 8bp of inner surface 2p forms magnet part 8a, 8b, then passes through the number of components of minimum demand limit Reply, therefore, from the viewpoint of the miniaturization and cost degradation for realizing rotary solenoid 1, can be used as best mode To implement.

(8) if according to preferable mode the opposite side opposed with unilateral inner surface 2p of housing 2 inner surface 2q On be respectively arranged with magnetic flux collection portion 14a, 14b, which protrudes from the inner surface 2q of the opposite side, and with each magnet 8ap, 8bp are opposed, then can act on and be further improved by coil 6 by gathering of magnetic flux collection portion 14a, 14b to the magnetic line of force Magnetic flux density, therefore, it is possible to contribute to further improving for response and output torque.

(9) if according to preferable mode by opposed with the axial Fs both ends of coil 6 respectively and be configured at the phase of housing 2 A pair of magnet 8ap, 8aq of inner surface 2p, 2q of opposed both sides and 8bp, 8bq form magnet part 8a, 8b, then with by magnet The situation that 8ap, 2bp are only configured at the unilateral inner surface 2p of housing 2 is compared, and magnet quantity becomes 2 times, and from ensuring to rotate It can be used as best mode from the viewpoint of the response and output torque of solenoid 1 and magnetic balance and stability To implement.

(10) if according to preferable mode by magnet 8ap, 8bp, 8aq, 8bq absorption be fixed on housing 2 inner surface 2p, 2q, and determined by one or more the positioning convex portion 15 ... of inner surface 2p, 2q for being integrally formed in housing 2 Position, then without adding the component for being used for installing magnet 8ap ..., therefore, it is possible to made both easily and inexpensively implement, and can be correctly Carry out the positioning of magnet 8ap ....The straight surfaces brought into contact of inner surface 2p ... of magnet 8ap ... and housing 2 are additionally, since, therefore, it is possible to Form good magnetic loop (magnetic circuit).

(11) it is configured in the inner space of coil 6 and is arranged to than this if will be attracted part 7 according to preferable mode 4 side of rotation axis is leaned in the middle position of coil 6, then can make linear change, angle changing based on the attraction for being attracted part 7 Bigger, and attraction can be made maximum at end positions Xa, Xb, therefore it is able to ensure that stable self holding effect.

(12) if made according to preferable mode when configuration is attracted part 7 away from a pair of magnet 8ap, 8aq and 8bp, 8bq In magnet 8ap, a 8bp distance and distance away from another magnet it is different, then can be relative to the axial Fs of rotation axis 4 The power of appropriateness is acted on, therefore is had the following advantages that：It can prevent rocking for movable body portion Sm, and useless vibration can be suppressed Or the generation of noise.

(13) if will be attracted being chosen to be with axially vertical sectional area in coil 6 for part 7 according to preferable mode The scope of 0.1~10 (%) with axially vertical sectional area in side space, then self keep from when ensuring that stopping can be obtained The necessary attraction (holding moment of torsion) of power and from the viewpoint of excluding useless attraction, can be reliably achieved it is stable from I acts in holding, also can easily carry out its optimization.

(14) if selected in such a way according to preferable mode when selecting and being attracted the fixed position of part 7 It is fixed：In end positions Xa, Xb of revolution range Zm, center 7c is relative to edge part Ea, Eb ... of magnet 8ap, 8bp ... Position is located at turn around in the defined scope Zs on the Fr of direction, then also can act as self retentivity when being not powered on With, therefore, it is possible to make movable body portion Sm end positions Xa, Xb stop, also, even in reduce be attracted part 7 size and In the case of influence when further reducing to being powered (during mobile beginning), also movable body portion can be made reliably to stop.

(15) if setting inner frame portion 17 in fixed body portion Sc according to preferable mode, wherein, the inner frame portion 17 are positioned and are disposed in the inside of housing 2, and are integrally formed, and thus at least have and export lead 11s, 11t are drawn The lead cover 17c led, then can limitation arrangement in the detour position of export lead 11s, 11t of the inside of housing 2, therefore can Stably guide, further, it is possible to the interference with coil 6 and failure because of caused by vibration etc. are avoided, raising action Reliability.

(16) if according to preferable mode internal frame section 17 be integrally provided pair of right and left block limiting unit 18a, 18b, wherein, pair of right and left block limiting unit 18a, 18b is carried out with keeping limitation retainer 13a, 13b in block portion 5 to abut The limitation of corresponding with end positions Xa, Xb of revolution range Zm position, then keep the displacement of block portion 5 due to inner frame portion 17 Collision and limited, therefore, by selecting the shape or material in inner frame portion 17, rushing during thereby, it is possible to pass through collision Hit the reduction for absorbing the reduction for realizing rebound and noise.

(17) if being integrally provided one in a pair of bearings portion 3f, 3r in internal frame section 17 according to preferable mode Bearing portion 3r, then need not separately set bearing portion 3r, therefore, it is possible to contribute to the reduction for the cost cut down based on number of components With the raising of manufacture rate, further, it is possible to by bearing portion 3r relative to inner frame portion 17 other functional parts (for example, block limit Portion 18a, 18b processed) correctly position.

Brief description of the drawings

Fig. 1 is the main sectional view of the rotary solenoid of the preferred embodiment of the present invention,

Fig. 2 is the sectional view of the rotary solenoid,

Fig. 3 is the main sectional view for the distributing system for showing the rotary solenoid,

Fig. 4 is the sectional view that the mounting structure for the magnet for possessing the rotary solenoid is extracted out and shown,

Fig. 5 is the appearance front view of the rotary solenoid,

Fig. 6 is the principle composition figure of the magnet and the relation for being attracted part for illustrating the rotary solenoid,

Fig. 7 is the schematical sectional view for illustrating the magnetic loop of the rotary solenoid,

Fig. 8 is the schematical vertical view cutaway drawing for illustrating the magnetic loop of the rotary solenoid,

Fig. 9 is the Action Specification figure of the rotary solenoid,

Figure 10 be the rotary solenoid, relative to the time from being initially powered up size of current response wave shape figure,

Figure 11 be the rotary solenoid, relative to movable body portion rotational angle output torque variation characteristic figure,

Figure 12 is the main sectional view of the distributing system for the rotary solenoid for showing the change embodiment of the present invention,

Figure 13 is the main sectional view of the rotary solenoid of other change embodiments of the present invention,

Figure 14 is the vertical view cutaway drawing of the rotary solenoid of other change embodiments of the present invention,

Figure 15 is the vertical view cutaway drawing of the rotary solenoid of the modification of Figure 14,

Figure 16 is the main section view of C16-C16 lines along Figure 17 of the rotary solenoid of other change embodiments of the present invention Figure,

Figure 17 is the sectional view of the rotary solenoid,

Figure 18 is the front view for the printed wiring board for forming the holding block portion that the rotary solenoid possesses,

Figure 19 is to show that the master that the state in inner frame portion is assembled with the frame that the rotary solenoid possesses cuts open View,

Figure 20 is the stereoscopic figure in the inner frame portion that the rotary solenoid possesses,

Label declaration

1：Rotary solenoid；2：Housing；2p：The inner surface of housing；2q：The inner surface of housing；3f：Bearing portion；3r：Bearing Portion；4：Rotation axis；5：Keep block portion；5p：Printed wiring board；5ps：Circuit layout portion；5pt：Circuit layout portion；6：Coil； 6s：Winding terminal；6t：Winding terminal；7：It is attracted part；7c：Center；8a：Magnet part；8b：Magnet part；8ap：Magnet；8bp： Magnet；8aq：Magnet；8bq：Magnet；11s：Export lead；11t：Export lead；12s：Keep groove gap portion；12t：Keep groove gap Portion；13a：Limit retainer；13b：Limit retainer；14a：Magnetic flux collection portion；14b：Magnetic flux collection portion；15…：Positioning convex portion； 17：Inner frame portion；17c：Lead cover；18a：Block limiting unit；18b：Block limiting unit；Xn：180 are in relative to the position of coil The position of (°) opposite side；Xa：The end position (end position) of revolution range；Xb：End position (the other end position of revolution range Put)；Sc：Fixed body portion；Sm：Movable body portion；Ls：Axial line；Fs：The axial direction of coil；Fr：Gyratory directions；Zm：Revolution range； Ea：The edge part of magnet；Eb：The edge part of magnet.

Embodiment

Next, enumerating the preferred embodiment of the present invention, and it is described in detail based on attached drawing.

First, with reference to Fig. 1~Fig. 6, the overall structure of the rotary solenoid 1 of present embodiment is concretely demonstrated.

The rotary solenoid 1 substantially possesses：Fixed body portion Sc, it is provided with before being located at housing 2 on the housing 2 A pair of bearings portion 3f, 3r afterwards；With movable body portion Sm, it has the rotation for being supported to and rotating freely by a pair of bearings portion 3f, 3r Axis 4.

In this case, as depicted in figs. 1 and 2, movable body portion Sm possesses by the synthetic resin material as insulating materials Integrally formed holding block portion 5, the holding block portion 5 are made of following part：It is configured at the block top 5u of the barrel shape on top；With The block lower part 5d of flat disk shape, it is extended downward from the axial Fs middle positions of block top 5u.

Also, being fixed into makes the centre position of rotation axis 4 penetrate through the state of block top 5u, and is configured with list in block lower part 5d One coil 6 and it is attracted part 7 by what magnetic material was formed.Therefore, it is possible to keep block portion 5 using synthetic resin material shaping When, rotation axis 4, coil 6 are made by insert molding method and are attracted part 7 relative to the shaping that is assembled into one for keeping block portion 5.By This, constitutes the movable body portion Sm such as lower structure：Coil 6, which is held in, keeps block portion 5, and is attracted part 7 and is fixed in holding The defined position of block portion 5, also, rotation axis 4 is fixed in and keeps block portion 5, and be arranged in parallel with the axial line Ls of coil 6 Configuration.

On the other hand, as depicted in figs. 1 and 2, fixed body portion Sc possesses by magnetic material (preferably soft magnetic material) shape Into housing 2, the housing 2 by front surface become open surface frame 2m and cover frame 2m open surface lid Portion 2c is formed.Thus, the inner surface of lid portion 2c becomes the inner surface 2q of housing 2, the frame of (facing) opposed with inner surface 2q The inner surface of body portion 2m becomes the inner surface 2p of housing 2.

Frame 2m and lid portion 2c constitutes the magnetic passed through for the magnetic line of force from two groups of magnet parts 8a, 8b described later Circuit (magnetic circuit), it is preferred, therefore, that increasing wall thickness as far as possible in design, cost and the permitted scope of weight.In example In the case of showing, about 1.5 times, i.e. 1.5 (mm) thickness of common housing are chosen to be.Also, the height of the housing 2 shown in Fig. 1 Size is 35 (mm).The rotary solenoid 1 of present embodiment can realize miniaturization from configuration aspects and aspect of performance, therefore, The wall thickness of housing 2 can correspondingly be increased.As a result, magnetic circuit sectional area can be increased, reduction and the relevant magnetic loss of magnetic circuit, And mechanical strength (rigidity) can be improved.Moreover, additionally aid the raising of quietness described later.

Also, two groups of magnet parts 8a, 8b are fixed with inner surface 2p, 2q of housing 2, this two groups of magnet part 8a, 8b configurations Into end positions Xa, Xb (with reference to Fig. 9) axial Fs ends pair corresponding and with coil 6 of the revolution range Zm with movable body portion Sm Put.In this case, as shown in Fig. 6 (Fig. 8), a magnet part 8a is by being fixed on the magnet 8ap of the inner surface 2p of housing 2 and consolidating Formed due to the magnet 8aq of the inner surface 2q of housing 2, also, another magnet part 8b is by being fixed on the inner surface 2p of housing 2 Magnet 8bp and the magnet 8bq for the inner surface 2q for being fixed on housing 2 are formed.Thus, magnet part 8a, 8b is by the axis with coil 6 respectively To Fs both ends it is opposed, be configured at a pair of magnet 8ap, 8aq of inner surface 2p, 2q of the opposite both sides of housing 2 and 8bp, 8bq are formed.If so form, the situation phase of the unilateral inner surface 2p with magnet 8ap, 2bp to be only configured to housing 2 Than having the following advantages that：Magnet quantity becomes 2 times, and from the response and output torque for ensuring rotary solenoid 1 and Best mode be can be used as from the viewpoint of magnetic balance and stability to implement.

In addition, a magnet 8ap can be fixed as follows relative to the inner surface 2p of housing 2.First, as schemed Shown in 3 and Fig. 4, magnet 8ap is formed as flat cuboid, by making a corner be formed as chip formation, is consequently formed Inclined limitation face 8x.On magnet 8ap, there is the side in two opposed faces of maximum area to be geomagnetic into N poles, separately One side is geomagnetic into S poles.Therefore, by setting limitation face 8x, the mistake in the manufacture that will be installed backwards opposite can be prevented.

Also, when magnet 8ap to be fixed on to the inner surface 2p of housing 2, make magnet 8ap be directly adsorbed in inner surface 2p and It is fixed.At this time, as shown in Figure 3 and Figure 4, three positioning convex portions 15 ... are integrally formed with the inner surface 2p of housing 2.Such as Fig. 4 Shown, which can be easy to set up when making housing 2 by punch forming etc..Three positioning convex portions 15 ... In first positioning convex portion 15 engaging in the limitation face 8x of magnet 8ap, bottom of second positioning convex portion 15 engaging in magnet 8ap Edge 8y, longitudinal edge portion 8z of the 3rd positioning convex portion 15 engaging in magnet 8ap.3rd positioning convex portion 15 is by magnet 8ap The magnet 8bp that is arranged of side share.Fig. 5 shows each positioning convex portion 15 ... occurred on the outer surface of housing 2.

In this way, when magnet 8ap to be fixed on to the inner surface 2p of housing 2, as long as making magnet 8ap directly be adsorbed in housing 2 Inner surface 2p be fixed, and one or more the positioning being formed as one by inner surface 2p, 2q with housing 2 Convex portion 15 ... is positioned, then the component for installing magnet 8ap ... need not be added, therefore, it is possible to made both easily and inexpensively Implement, and can correctly carry out the positioning of magnet 8ap ..., moreover, the direct faces of inner surface 2p ... of magnet 8ap ... and housing 2 Contact, therefore, has the advantages that good magnetic loop (magnetic circuit) can be formed.

More than, it is illustrated for the order for the inner surface 2p that magnet 8ap is fixed on to housing 2, by another magnetic In the case that iron 8bp is fixed on the inner surface 2p of housing 2, as shown in figure 3, except with addition to the symmetrical this point of magnet 8ap, It can carry out in the same manner.In addition, in the case where other magnet 8aq, 8bq are fixed on another inner surface 2q of housing 2, It can be fixed identically with the situation for the inner surface 2p that magnet 8ap, 8bp are fixed on to housing 2.

On the other hand, for the holding block portion 5 in foregoing movable body portion Sm, with the relation of fixed body portion Sc, examining Following aspect is considered to form.First, in the left and right of block lower part 5d, it is respectively arranged with and is abutted with the inner surface of housing 2 to carry out Limitation retainer 13a, 13b of position limitation corresponding with end positions Xa, Xb of revolution range Zm.The rotation of present embodiment Coil 6 is configured at movable body portion Sm by solenoid 1, therefore can realize the lightweight of movable body portion Sm, is turned so as to reduce Dynamic inertia.As a result, in the case that limitation retainer 13a, 13b are arranged at the inside of housing 2, can also reduce Impulsive sound during collision, so as to further improve quietness.Particularly, as it was previously stated, with increase housing 2 wall thickness, It is improved for the rigidity of the housing 2 of limitation retainer 13a, 13b collision, it can be ensured that high quietness.

Will be attracted part 7 be arranged at keep block portion 5 when, consider following aspect.First, it is attracted part 7 and uses formation For the pin member of round bar shape, and it is configured to the magnetic pole strength for making end face (in illustration, a diameter of 1.7 (mm)) and each magnet 8ap ... It is parallel.Also, in this case, it can prevent that it is de- from holding block portion 5 by forming ladder in the centre position of pin member Fall.

Moreover, when configuration is attracted part 7, make it relative to the side's in a pair of magnet 8ap, 8aq and 8bp, 8bq The distance of magnet 8ap, 8bp are different with the distance of the magnet relative to the opposing party.I.e., as shown in Figure 2 and Figure 6, it will be attracted part 7 It is configured at the position closer to magnet 8ap (8bp) side of a side., can be relative to rotation axis 4 if so configured The power of axial Fs effects appropriateness, therefore have the following advantages that：It can prevent rocking for movable body portion Sm, and can suppress useless Vibration or noise generation.

Be attracted the size of the end face of part 7, be attracted part 7 with axially vertical sectional area relative in coil 6 The scope that 0.1~10 (%) is chosen to be with axially vertical sectional area in side space.If so selected, from ensuring to obtain The necessary attraction (holding moment of torsion) of self retentivity during stopping and from the viewpoint of excluding useless attraction, Neng Gouke Realize that self stable holding acts on by ground, also can easily carry out its optimization.More particularly, by will be attracted part Torque setting when 7 attraction moment of torsion is powered for coil 6 is substantially 5~50 (%), can realize that swing (is based on static What is attracted self keeps).Therefore, if the attraction moment of torsion for being attracted part 7 is 5 (%) as lower limit, preferably will be attracted Part 7 is chosen to be 0.1~1 (%) with axially vertical sectional area, also, if 50 (%) as the upper limit, then preferably will Be attracted part 7 is chosen to be 1~10 (%) with axially vertical sectional area.

Also, in the case where the ratio of sectional area is less than 0.1 (%), being attracted the sectional area of part 7 becomes too small, because This, attraction deficiency, can not ensure the holding moment of torsion needed, also, in the case where the ratio of sectional area has exceeded 10 (%), The sectional area of part 7 is attracted close to the area of magnet 8ap ..., the attraction on direction of principal axis Fs becomes too much, therefore, attraction pair The help of the holding moment of torsion of gyratory directions (swaying direction) diminishes, and hold mode becomes unstable.

It is configured in addition, being attracted part 7 in the inner space of coil 6, and configuration is leaned in the middle position than the coil 6 At the position of 4 side of rotation axis.Also, middle position refer to axially vertical direction, the radiation direction i.e. from rotation axis 4 and The middle position of gyratory directions.If being configured so that, linear change, change based on the attraction for being attracted part 7 can be made Angle bigger, and attraction can be made maximum at end positions Xa, Xb, therefore it is able to ensure that self stable holding is made With.Also, the middle position than coil 6 is being configured in the outer part in the case of place, revolution range Zm narrows, also, can produce Following unfavorable condition：Moment of torsion deficiency when revolution starts (is subtracted based on the attraction for being attracted part 7 from the moment of torsion produced by coil 6 The obtained moment of torsion of moment of torsion becomes too small (equivalent to moment of torsion when starting).

In the case where illustrating (Fig. 1), if the diameter that will be attracted part 7 is chosen to be 1~2 (mm), and it is configured at radially On the center 10 (mm) away from rotation axis 4 position, then can obtain the holding moment of torsion of 0.005~0.02 (Nm).

Moreover, it is selected be attracted the fixed position of part 7 when, proceed as follows selected：As shown in Fig. 6 (Fig. 9), At end positions Xa, Xb of the revolution range Zm of movable body portion Sm, center 7c relative to magnet 8ap, 8bp ... edge part The position of Ea, Eb ... are located at turn around in the defined scope Zs on the Fr of direction.In an exemplary situation, it is specified that scope Zs and quilt Attract the diameter dimension of part 7 roughly the same.It if so selected, also can act as self retentivity when being not powered on With, therefore, it is possible to make movable body portion Sm end positions Xa, Xb stop, also, even in reduce be attracted part 7 size and In the case of influence when further reducing to being powered (during mobile beginning), also movable body portion can be made reliably to stop.

On the other hand, in movable body portion, Sm is provided with a pair of of export lead 11s, 11t, a pair of export lead 11s, 11t It is connected with winding both ends 6s, 6t of coil 6, its length, which is chosen to be, allows displacements of the movable body portion Sm in revolution range Zm Length, thus a pair of export lead be configured in the inside of housing 2.Thus, even if movable body portion Sm is throughout revolution range Zm Displacement, export lead 11s, 11t also can easily absorb the displacement, exist therefore, it is possible to improve comprising export lead 11s, 11t The reliability of interior electrical system.It is preferably selected to allow the abundant of the displacement accordingly, with respect to the length of export lead 11s, 11t Length.Also, Js, Jt represent winding both ends 6s, 6t with exporting the connecting portion of lead 11s, 11t.In this case, preferably It is to form ladder at the position for the holding block portion 5 that connecting portion Js, Jt are located at, ensure in a manner of connecting portion Js, Jt are discontiguous Separating distance.

In addition, when configuration exports lead 11s, 11t, as shown in Figures 2 and 3, the phase of block portion 5 (block top 5u) is being kept The position Xn of the opposite side of 180 (°) is in for coil 6, be provided with keep export lead 11s, 11t holding groove gap portion 12s, 12t.The export lead that thereby, it is possible to be connected by keeping groove gap portion 12s, 12t to keep with winding both ends 6s, 6t of coil 6 The centre position of 11s, 11t, therefore, particularly prevent put on winding both ends 6s, 6t of coil 6 and export lead 11s, The stress of the coupling part of 11t, can avoid broken string of the connecting portion office etc..

On the other hand, in figure 3, label 17c is pair formed by insulating materials such as elastomeric material or synthetic resin materials The lead cover that export lead 11s, 11t are guided, the lead cover 17c is by as inner frame of the configuration in the inside of housing 2 One form in portion 17.Therefore, lead 11s, 11t are exported and is exported to the outer of housing 2 through the inside of lead cover 17c Portion.If the inner frame portion 17 formed with such lead cover 17c of setting, has the following advantages that：Can limitation arrangement in shell The detour position of export lead 11s, 11t of the inside of body 2, therefore can stably guide, further, it is possible to avoid because shaking Interference with coil 6 and failure caused by dynamic etc., the reliability of raising action.

Next, with reference to Fig. 7~Figure 11, the function (effect) of the rotary solenoid 1 of present embodiment is illustrated.

As shown in figure 9, the revolution range Zm of movable body portion Sm in the rotary solenoid 1 of present embodiment, becoming and stopping Angle (revolution range Zm) is set to substantially 20 (°) between the end positions Xa and Xb of the left and right that stop bit is put.Therefore, as At one end position Xa of the stop position of movable body portion Sm, the limitation retainer 13a and the inner surface of housing 2 of movable body portion Sm are supported Connect, at another end position Xb of another stop position as movable body portion Sm, the limitation retainer 13b of movable body portion Sm Abutted with the inner surface of housing 2.Can be using such rotary solenoid 1 as make use of the two-position of its reciprocating rotation to cut Actuator is changed to utilize.

Effect when first, to being not powered on illustrates.When being not powered on, electric current does not have flowing through coil 6, therefore, by Self retentivity of movable body portion Sm makes it, and the side in position Xa or another end positions Xb stops at one end.

That is, as shown in fig. 6, Xa sides in position are configured with magnet 8ap and 8aq at one end, it is configured with another end position Xb sides Magnet 8bp and 8bq, also, be fixed with the gyratory directions middle position of movable body portion Sm and be attracted part 7, therefore, work as movable body When portion Sm is located at an end position Xa, the part 7 that is attracted of movable body portion Sm is located near the edge part Ea of magnet 8ap (and 8aq), quilt Attract part 7 by magnet 8ap (and 8aq) magnetic attraction attract, and limit retainer 13a abutted with the inner surface of housing 2 and Stop.In addition, when movable body portion Sm is located at another end position Xb, movable body portion Sm be attracted part 7 be located at magnet 8bp (and Near edge part Eb 8bq), it is attracted part 7 and is attracted by the magnetic attraction of magnet 8bp (and 8bq), and limit retainer 13b Abut and stop with the inner surface of housing 2.

In fig. 11, the rotational angle (revolution of the movable body portion Sm when characteristic line represented with To is shown and is not powered on Scope Zm) corresponding output torque size.The degree of output torque substantially 0.02 (Nm) during stopping when being not powered on.And And represent for the rotary solenoid shown in patent document 1 to be arranged to the rotation with present embodiment with the characteristic line shown in Tor Same characteristic line during size (dimension) of 1 same degree of solenoid.

Next, effect when being powered to positive direction and when negative direction is powered illustrates.Now, it is contemplated that following shape State：Rotary solenoid 1 when negative direction is powered after at one end at the Xa of position stop.

First, if carrying out positive direction energization in this condition, the electric current of positive direction is flowed through in coil 6.The opposing party Face, the magnetic line of force of fixed magnet 8ap, 8aq, 8bp, 8bq are in figures 7 and 8 as multiple on inner surface 2p, 2q of housing 2 Dotted arrow Fm ... it is shown like that the inside of housing 2 by, also, by the space between magnet 8ap and magnet 8aq, and Pass through the space between magnet 8bp and magnet 8bq.At this time, the direction of the magnetic line of force between magnet 8ap and magnet 8aq is from magnetic Iron 8aq to the direction of magnet 8ap, the direction of the magnetic line of force between magnet 8bp and magnet 8bq be with magnet 8ap and magnet 8aq it Between opposite direction, i.e. from magnet 8bp to the direction of magnet 8bq.

As a result, in the winding portion of the coil 6 significantly influenced be subject to the magnetic line of force between magnet 8ap and magnet 8aq Position, produces the Lorentz force based on Fleming's left-hand rule, coil 6, i.e. movable body portion Sm are from an end position Xa to other end position Put Xb displacements.At another end position Xb, limitation retainer 13b is abutted and stopped with the inner surface of housing 2.Then, even if solution Except energization, also due to self retentivity of foregoing movable body portion Sm and stop at another end position Xb.

Figure 10 shows the response wave shape of the size of the electric current Ii (A) relative to the time (sec) from being initially powered up.Root Clearly confirmed according to the figure：At the time of driving voltage is applied, at the time of i.e. the time is 0 (sec), electric current Ii almost moments Rise to saturation current.Also, in figure, Ir (A) represents to be arranged to and this reality by the rotary solenoid shown in patent document 1 Apply the same response wave shape during size of 1 same degree of rotary solenoid of mode.

In this way, in the rotary solenoid 1 of present embodiment, it is not present in the inner space of coil 6 except sectional area is small The component being attracted beyond part 7, therefore, the inductance of the coil 6 proportional to the permeability in the inner space of coil 6 becomes The size of the very little of number mH.As a result, when applying driving voltage, almost moment rises to saturation current, Neng Goushi to electric current Existing high response.Moreover, the overall weight of movable body portion Sm is mitigated tremendously, therefore, it can be ensured that higher Response and output torque etc., are largely responsible for high speed motion, the raising even with the productivity of equipment etc..

On the other hand, if carrying out negative direction energization in this condition, the electric current of negative direction is flowed through in coil 6.Its As a result, at the winding position of the coil 6 significantly influenced be subject to the magnetic line of force between magnet 8bp and magnet 8bq, to pros Produce the above-mentioned Lorentz force based on Fleming's left-hand rule to opposite direction when being powered, coil 6, i.e. movable body portion Sm from Another end position Xb is shifted to an end position Xa.At one end at the Xa of position, limitation retainer 13a is abutted with the inner surface of housing 2 And stop.Then, though release be powered, also due to self retentivity of foregoing movable body portion Sm and at one end at the Xa of position Stop.

Figure 11 shows two characteristic lines Ts and Tm for making the specification of coil 6 different.Ts, Tm represent be powered when can The size of the corresponding output torque of rotational angle of kinetoplast portion Sm.The specification of the coil 6 of illustration is as follows.

Also, represent to set by the rotary solenoid shown in patent document 1 with the characteristic line shown in Tsr, Tmr in Figure 11 It is set to the same characteristic line during size with 1 same degree of the rotary solenoid of present embodiment.That is, refer to：By in Tsr The appearance and size of rotary solenoid, electric current, voltage be set as it is identical with Ts, by the appearance and size of the rotary solenoid in Tmr, electricity Stream, voltage are set as identical with Tm.

Therefore, according to the rotary solenoid 1 of such present embodiment, as basic structure, possess be provided with it is as follows The movable body portion Sm that part forms：Coil 6, it, which is held in, keeps block portion 5；Rotation axis 4, it, which is fixed in, keeps block portion 5, and Configuration is arranged in parallel with the axial line Ls of coil 6；And part 7 is attracted by what magnetic material was formed, it is fixed in holding The defined position of block portion 5, also, possess the fixed body portion Sc for being provided with and being formed such as lower part：The shell formed by magnetic material Body 2；With two groups of magnet parts 8a, 8b, they are fixed in inner surface 2p, 2q of the housing 2, and are configured to the axial direction with coil 6 Fs ends are opposed, and are accordingly configured with end positions Xa, Xb of the revolution range Zm of movable body portion Sm, therefore, by weight Inner surface 2p, the 2q for the housing 2 that larger magnet 8ap, 8bp, 8aq, 8bq are fixed on as affixed side are measured, by lighter in weight Coil 6 is supported on the rotation axis 4 as drawer at movable side, therefore, it is possible to make the overall weight of movable body portion Sm tremendous lightens, from And it is able to ensure that higher response and output torque.It is additionally, since and is not present in the inner space of coil 6 except sectional area is small The component being attracted beyond part 7, therefore, the inductance of coil 6 becomes the size of very little, when applying driving voltage, can make Almost moment rises to saturation current etc. to electric current, can realize high response.As a result, height can be largely responsible for Quick-action is made, even with the raising of the productivity of equipment etc..In addition, magnet 8ap, 8bp, 8aq, 8bq can be configured at The inner surface of the opposed housing 2 in axial Fs ends of the coil 6 of rotation axis 4 is supported on, as long as also, housing 2 inner surface 2p, 2q Arranging space allow, it becomes possible to increase the size of magnet 8ap, 8bp, 8aq, 8bq, therefore, as a result, it is possible to needed for ensure Performance while realize the overall miniaturization of rotary solenoid 1.

Next, with reference to Figure 12~Figure 20, the rotary solenoid 1 of the change embodiment of the present invention is illustrated.

In the change embodiment shown in Figure 12, grown form is identical with the embodiment shown in Fig. 3, still, makes to melt Disconnected device 31 is connected with the export lead 11t configured in the inside of lead cover 17c.Therefore, other structures and the reality shown in Fig. 3 It is identical to apply mode.In this way, space can be formed in the lower section of magnet 8ap ..., therefore, it is possible to be used to the space export lead The detour of 11s, 11t, and the arranging of various subsidiary components or circuit (compensating element etc.) can be used for as needed.

In the change embodiment shown in Figure 13, make export lead 11s, 11t different with limitation retainer 13a, 13b. That is, in the change embodiment, when forming export lead 11s, 11t, FPC (flexible printed board) 32 has been used.Also, 33 represent to be used for the connector for connecting the FPC32 and exterior export lead (11s, 11t).In addition, in the embodiment party shown in Fig. 1 In formula, limitation retainer 13a, 13b is abutted with the inner surface of the side positioned at housing 2, and still, the limitation for changing embodiment stops Dynamic portion 13a, 13b change forming position, are abutted with the inner surface of upper surface part 2ma, 2mb of housing 2.They can be realized Function same as the implementation shown in figure 1.

In the change embodiment shown in Figure 14 and Figure 15, magnet part 8a, 8b is changed.That is, in the implementation shown in Fig. 2 In mode, two groups of magnet parts 8a and 8b are made of a pair of magnet 8ap, 8aq and 8bp, 8bq respectively, and are individually fixed in positioned at can On inner surface 2p, 2q of the both sides of kinetoplast portion Sm, thus, it is possible to which saying is consolidated in a manner of clipping movable body portion Sm from both sides It is fixed, still, in the change embodiment shown in Figure 14, magnet 8ap, 8bp are only fixed on to the inner surface 2p of one side.If picture So by the single magnet 8ap of unilateral inner surface 2p opposed with the axial Fs one ends of coil 6, being configured at housing 2, 8bp forms magnet part 8a, 8b, then can be tackled by the number of components of minimum demand limit, therefore, rotates helical from realizing From the viewpoint of the miniaturization of pipe 1 and cost degradation, it can implement as best mode.In addition, each magnetic can be increased The thickness of iron 8ap and 8bp, therefore, it is possible to which the space for arranging foregoing lead cover 17c is ensured to obtain bigger.

In addition, Figure 15 is the modification of Figure 14.In the modification shown in Figure 15, for the change embodiment party shown in Figure 14 Formula, be respectively arranged with the inner surface 2q of the opposite side opposed with unilateral inner surface 2p of housing 2 magnetic flux collection portion 14a, 14b, the magnetic flux collection portion are protruded from the inner surface 2q of the opposite side, and opposed with each magnet 8ap, 8bp.Thereby, it is possible to by Gathering effect of magnetic flux collection portion 14a, 14b to the magnetic line of force further improves the magnetic flux density by coil 6, therefore, it is possible to have Help further improving for response and output torque.

In addition, the other structures in Figure 14 and Figure 15 are identical with the embodiment shown in Fig. 1~Fig. 4.Also, Figure 12~ In change embodiment shown in Figure 15, identical label is marked with its clear and definite structure for the part identical with Fig. 1~Fig. 6, And omit detail explanation.

Change embodiment shown in Figure 16~Figure 20 shows the change form for keeping block portion 5, and show will be interior Portion's frame section 17 is arranged at the change form of the inside of housing 2.Also, overall basic structure be shown in Figure 14 and Figure 15 general Magnet 8ap and 8bp are only configured at the type of the inner surface of one side.

In this case, as shown in Figure 17 and Figure 18, it is that print is fixed with the single side of the holding block portion 5 to keep block portion 5 The structure of brush wiring substrate 5p, when being molded holding block portion 5 by synthetic resin material, can make maintainance block by insert molding Portion 5 and printed wiring board 5p are integrally constituted.As shown in figure 18, printed wiring board 5p is easily attached line on real estate Connection pan portion 21s, 21t in winding side is respectively equipped with the position of winding both ends 6s, 6t of circle 6, also, connection is exported into lead Export side connection pan portion 22s, 22t of 11s, 11t are arranged at left and right directions, and are arranged at position as far as possible disconnected from each other.Also, Connected in winding side and conductive pattern portion 23s is set and forms circuit layout portion between pan portion 21s and export side connection pan portion 22s 5ps, and connected in winding side and conductive pattern portion 23t is set and forms circuit and matches somebody with somebody between pan portion 21t and export side connection pan portion 22t Line portion 5pt.

Thereby, it is possible to by soldering etc. respectively by winding both ends 6s, 6t of coil 6 be connected to winding side connect pan portion 21s, 21t, and a pair of export lead 11s, 11t can be connected to respectively by export side by soldering etc. and connect pan portion 22s, 22t.Cause This, can be by winding both ends 6s, 6t of coil 6 and a pair of of export lead if being provided with such printed wiring board 5p 11s, 11t are fixed on printed wiring board 5p, therefore, it is possible to easily and reliably carry out winding both ends 6s, 6t and a pair Export the connection of lead 11s, 11t.

Moreover, setting the export position of a pair of of export lead 11s, 11t by circuit layout portion 5ps, 5pt, and make one Export position is separated as much as possible, thereby, it is possible to further increase export lead 11s, 11t in the inside detour of housing 2 Crooked position at radius of curvature, therefore, it is possible to further improve export lead 11s, 11t or connecting portion for movable The durability of the rotational displacement repeatedly of body portion Sm.Moreover, have the following advantages：Reliable by connecting portion is fixed, It can improve the fixing intensity and durability to anti-vibration etc., also, even in making holding block portion 5 and print by insert molding etc. In the case that brush wiring substrate 5p is integrally formed, by ensuring stability during shaping, good shaping can be also carried out.

On the other hand, as shown in figure 20, inner frame portion 17 is integrally formed entirety by synthetic resin material, and is formed For the frame-type shape of rectangle.Particularly, for outer surface, as shown in figure 19, so as to the inner frame portion is positioned at housing 2 The inside of frame 2m arranged the mode of (chimeric) and carry out shape and select.Also, utilize the lower frame in inner frame portion 17 Frame member and left and right framing component, form the lead cover 17c guided to export lead 11s, 11t.Lead cover 17c has The function identical with the lead cover 17c shown in Fig. 3.Therefore, which is used for lead cover 17c by one part, Can be limited to configuring in the detour position of export lead 11s, 11t of the inside of housing 2, therefore, it is possible to enjoy as Lower such basic effect：It can stably guide, and the interference because of caused by vibration etc. with coil 6 can be avoided And failure, the reliability of raising action.

In addition, by using the left frame member and right frame member in inner frame portion 17, thus, it is integrally formed respectively Block limiting unit 18a, 18b, wherein, block limiting unit 18a, the 18b with keep block portion 5 on limitation retainer 13a, 13b abut and Carry out position limitation corresponding with end positions Xa, Xb of revolution range Zm.If it is integrally formed such block limiting unit 18a, 18b, then as shown in figure 19, keep the displacement of block portion 5 to be limited due to the collision with inner frame portion 17, tool There is following advantage：By selecting the shape or material in inner frame portion 17, thus, impact absorbing when passing through collision realizes The reduction of rebound and the reduction of noise.

Moreover, by using the upper frame members in inner frame portion 17, a pair of bearings portion 3f, 3r has thus been integrally formed In a bearing portion 3r.If so forming, the part in inner frame portion 17 can be used for bearing portion 3r, therefore not Need bearing portion 3r separately.Thus, have the following advantages：It can aid in the reduction for the cost cut down based on number of components With the raising of manufacture rate, further, it is possible to by bearing portion 3r relative to inner frame portion 17 other functional parts (for example, block limit Portion 18a, 18b processed) correctly position.In addition, in the change embodiment shown in Figure 16~Figure 20, pair with Fig. 1~Figure 15 phases With the identical label of part mark, specify the structure, and omit detail explanation.

More than, preferred embodiment and change embodiment are illustrated in detail, the present invention is not limited to Such embodiment, in the structure of detail section, shape, material, quantity, numerical value etc., can not depart from the present invention's Arbitrarily change, increase and eliminate in the range of purport.

For example, show a case that to be provided with single coil 6, but can also be by combining more than two coils come structure As coil 6.In addition, exemplified with the structure for being provided with a pair of of export lead 11s, 11t, wherein, a pair of export lead 11s, 11t is connected with winding both ends 6s, 6t of coil 6, and length is chosen to be permission movable body portion Sm and is shifted in revolution range Zm Length, so as to be configured at the inside of housing 2, but be not precluded from other connection forms such as following：Perforation is arranged on housing 2 The connecting end sub-portion of positive and negative, makes winding both ends 6s, 6t be connected from the private side of housing 2 with the connecting end sub-portion, and makes export Lead 11s, 11t are connected from outer side with the connecting end sub-portion.In addition it is shown that limitation retainer 13a, 13b are arranged at guarantor The situation of block portion 5 is held, but limitation retainer 13a, 13b can also be separately set, is also not excluded for being arranged at and is projected into the outer of housing 2 Situation in the rotation axis 4 in portion.On the other hand, illustrate the case in which：Shell is fixed in magnet 8ap, 8bp, 8aq, 8bq absorption Inner surface 2p, 2q of body 2, and determined by three positioning convex portions 15 ... of inner surface 2p, 2q for being integrally formed at housing 2 Position, however, it can be a positioning convex portion 15 for being formed as rectangular box-like, is also not excluded for setting more than two or four and determines The situation of position convex portion 15 ....Also, when magnet 8ap ... to be fixed on to the inner surface 2p ... of housing 2, both can directly it be inhaled Attached fixation, can also additional binder etc. as needed.In addition it is shown that by insert molding method being integrally formed out movable body portion The situation of Sm is but it is also possible to be such form：For the holding block portion 5 being integrally formed out as a component, assemble respectively Coil 6, rotation axis 4 and it is attracted part 7.

Industrial applicability

The rotary solenoid of the present invention can be actuated as the switching of the progress two-position switching in following various equipment Device utilizes：The equipment possesses the classification feature of the differentiation function of currency or bank note etc., mail etc., the transfer passage of printed article turns Change the various handoff functionalities such as function, light path converting function.

Claims (16)

1. a kind of rotary solenoid, it possesses：

Fixed body portion, it is provided with positioned at front and rear a pair of bearings portion with housing, the housing；With

Movable body portion, it has the rotation axis for being supported to and rotating freely by the pair of bearing portion,

It is characterized in that,

The rotary solenoid possesses the movable body portion for being provided with and being formed such as lower component：

Coil, it is held in holding block portion；

The rotation axis, it is fixed in the holding block portion, and is arranged with the axis parallel of the coil；And

Part is attracted by what magnetic material was formed, it is fixed in the defined position of the holding block portion,

Also, the rotary solenoid possesses the fixed body portion for being provided with and being formed such as lower component：

Housing, it is formed by magnetic material；With

Two groups of magnet parts, they are fixed in the inner surface of the housing, and be configured to it is opposed with the axial end portion of the coil, and And it is configured to corresponding with the end positions of the revolution range in the movable body portion.

2. rotary solenoid according to claim 1, it is characterised in that

The movable body portion possesses single coil, and possesses a pair of of export lead, a pair of export lead and the coil Winding both ends connect, and the length of a pair of export lead is chosen to be the permission movable body portion and is moved in the revolution range The length of position, so that a pair of export lead is configured in the inside of the housing.

3. rotary solenoid according to claim 2, it is characterised in that

The holding block portion is when from the rotation axis, is set at the position of 180 ° of opposite sides relative to the coil Have and keep what the holding groove gap portion for exporting lead formed.

4. rotary solenoid according to claim 2, it is characterised in that

The holding block portion possesses printed wiring board, which is fixed in the single side of the holding block portion, and has There is the circuit layout portion for connecting at the winding both ends of the coil with the pair of export lead.

5. rotary solenoid according to claim 1, it is characterised in that

It is described holding block portion have limitation retainer, the limitation retainer abutted with the inner surface of the housing and carry out with it is described The corresponding position limitation of end positions of revolution range.

6. rotary solenoid according to claim 1, it is characterised in that

The magnet part by unilateral inner surface that is opposed with the axial one end of the coil and being configured at the housing list One magnet is formed.

7. rotary solenoid according to claim 6, it is characterised in that

Magnetic flux collection portion is respectively arranged with the inner surface of the opposite side opposed with the unilateral inner surface of the housing, The magnetic flux collection portion is protruded from the inner surface of the opposite side, and opposed with each magnet.

8. rotary solenoid according to claim 1, it is characterised in that

The magnet part is by opposed with the axial both ends of the coil respectively and be configured at the opposite both sides of the housing Inner surface on a pair of magnet form.

9. the rotary solenoid described in any one in claim 5~8, it is characterised in that

The magnet adsorption is fixed on the inner surface of the housing, and one of the inner surface by being integrally formed in the housing A or more than two positioning convex portions are positioned.

10. rotary solenoid according to claim 1, it is characterised in that

The part that is attracted is configured in the inner space of the coil, and institute is leaned in the middle position being configured in than the coil State the position of rotation axis side.

11. rotary solenoid according to claim 8, it is characterised in that

The part that is attracted is configured to：Distance away from a magnet in the pair of magnet and the distance away from another magnet It is different.

12. rotary solenoid according to claim 1, it is characterised in that

The inner space being attracted part that the coil is chosen to be with axially vertical sectional area with it is axially vertical 0.1%~10% scope of sectional area.

13. according to the rotary solenoid described in claim 6,8 or 11, it is characterised in that

The fixed position for being attracted part is selected in such a way：At the end positions of the revolution range, the quilt The center of part is attracted to be located at turn around relative to the position of the edge part of the magnet in the defined scope on direction.

14. rotary solenoid according to claim 1, it is characterised in that

The fixed body portion possesses inner frame portion, and the inner frame portion is positioned and is disposed in the inside of the housing, and And be integrally formed, thus at least there is the lead cover guided to the export lead.

15. rotary solenoid according to claim 14, it is characterised in that

The inner frame portion is integrally provided with pair of right and left block limiting unit, the pair of right and left block limiting unit and the holding block portion On limitation retainer abut and carry out corresponding with the end positions of revolution range position and limit.

16. the rotary solenoid according to claims 14 or 15, it is characterised in that

The inner frame portion is integrally provided with a bearing portion in the pair of bearing portion.