CN209398881U - Valve gear - Google Patents

Abstract

Valve gear is provided, comprising: slide valve, with first part；Oil circuit body, with sliding valve hole, slide valve is configured in a manner of it can be axially moveable in the inside of the sliding valve hole；Magnet is fixed on slide valve；Magnetic Sensor detects the magnetic field of magnet；Elastomeric element applies the elastic force towards the axial other side to first part；Bearing part is installed on oil circuit body, supports in sliding valve hole to the end of the axial side of elastomeric element；Rotation stop component, axially extends, and configuration is in sliding valve hole at the position for leaning on radial outside than central axis.The end of the axial side of rotation stop component is installed on bearing part.The inside of the end of axial side in the gap for the inner peripheral surface that the end of the axial other side of rotation stop component is inserted into first part and sliding valve hole or from first part the first recess portion that the other side is recessed in the axial direction.First part has opposed portion, and the opposed portion is opposed in the circumferential direction of central axis with rotation stop component, can be with rotation stop component contact.

Description

Valve gear

Technical field

The utility model relates to valve gears.

Background technique

There is known the slide valves that oil circuit body is arranged in.For example, describing and setting in Japanese Unexamined Patent Publication 2016-183579 bulletin Set the slide valve in the discharge rate switching device of oil pump.

In slide valve as described above, magnet is installed on slide valve sometimes, the magnetic field of magnet is detected by Magnetic Sensor To detect the position of slide valve in the axial direction.But in this case, when slide valve rotates about the axis, magnet is together with slide valve Rotation, therefore the magnetic field of magnet detected by Magnetic Sensor changes sometimes.Even if working as the position of slide valve in the axial direction as a result, It sets in the case where being practically without and changing, the location information of slide valve detected by Magnetic Sensor also changes, thus Sometimes the position of slide valve in the axial direction can not accurately be grasped.

Utility model content

In view of the foregoing, one of its goals is to provide following valve gear to the utility model: can be improved grasp and slides The precision of the position of valve in the axial direction.

One mode of the valve gear of the utility model includes slide valve, has along the central axis extended in the axial direction The first part of line configuration；Oil circuit body, oil circuit with fuel feeding flowing and at least one side opening and axially extends in axial direction Sliding valve hole, the slide valve configures in a manner of it can be axially moveable in the inside of the sliding valve hole；Magnet is fixed on described Slide valve；Magnetic Sensor is installed on the oil circuit body, detects the magnetic field of the magnet；Elastomeric element, in the sliding valve hole Configuration applies the elastic force towards the axial other side in the axial side of the first part, to the first part；Supporting part Part is installed on the oil circuit body, supports in the sliding valve hole to the end of the axial side of the elastomeric element；With And rotation stop component, it axially extends, configuration is in the sliding valve hole at the position for leaning on radial outside than the central axis. The end of the axial side of the rotation stop component is installed on the bearing part.The end of the axial other side of the rotation stop component It is inserted into the gap of the inner peripheral surface of the first part and the sliding valve hole or from the axial side of the first part The inside of end the first recess portion that the other side is recessed in the axial direction.The first part has opposed portion, which stops with described Rotation member is opposed in the circumferential direction of the central axis, and can be with the rotation stop component contact.

A mode according to the present utility model provides and can be improved the precision for grasping the position of slide valve in the axial direction Valve gear.

Referring to attached drawing and by below to the detailed description of preferred embodiment, the utility model above-mentioned and other Element, feature, step, features and advantages will become apparent.

Detailed description of the invention

Fig. 1 is the perspective view for showing a part of valve gear of first embodiment.

Fig. 2 is the exploded perspective view for showing a part of valve gear of first embodiment.

Fig. 3 is the figure for showing a part of valve gear of first embodiment, is the cross-sectional view of the III-III in Fig. 1.

Fig. 4 is the figure for showing a part of valve gear of first embodiment, is the cross-sectional view of the IV-IV in Fig. 1.

Fig. 5 is the cross-sectional view for showing a part of valve gear of second embodiment.

Fig. 6 is the cross-sectional view for showing a part of valve gear of the variation in second embodiment.

Fig. 7 is the cross-sectional view for showing a part of valve gear of third embodiment.

Specific embodiment

In the various figures, if Z-direction is up and down direction Z.If X-direction is in the horizontal direction vertical with up and down direction Z Left and right directions X.If Y direction is perpendicular to the axial Y vertical with left and right directions X in the horizontal direction of up and down direction Z.It will Positive side in up and down direction Z is known as " upside ", and negative side is known as " downside ".Positive side in axial Y is known as " front side ", by negative side Referred to as " rear side ".Front side is equivalent to axial side, and rear side is equivalent to the axial other side.In addition, upside, downside, front side, rear side, Up and down direction and left and right directions are only used for illustrating the title of the relative positional relationship of each section, actual configuration relation etc. It can be the configuration relation etc. other than configuration relation shown in these titles etc..

< first embodiment >

Fig. 1 and the valve gear of present embodiment shown in Fig. 2 10 are for example mounted in the control valve of vehicle.Valve gear 10 has There are oil circuit body 20, slide valve 30, magnet 50, sensor module 40, elastomeric element 70 and bearing part 71.

As shown in figure 3, oil circuit body 20 is in the internal oil circuit 10a with fuel feeding flowing.The oil circuit 10a's indicated in Fig. 3 Part is a part of aftermentioned sliding valve hole 23.In the various figures, such as the state for cutting away a part of oil circuit body 20 is shown.Such as figure Shown in 1, oil circuit body 20 has lower body 21 and portion of upper body 22.Although not shown, but oil circuit 10a be for example set to lower body Both 21 and portion of upper body 22.

Lower body 21 has the partition 21b to overlap on the upside of lower part phosphor bodies 21a and lower part phosphor bodies 21a.At this In embodiment, the upper surface of lower body 21 is equivalent to the upper surface of partition 21b, vertical with up and down direction Z.Portion of upper body 22 is under The upside of portion's body 21 overlaps.The lower surface of portion of upper body 22 is vertical with up and down direction Z.The lower surface of portion of upper body 22 and lower body The upper surface contact of 21 upper surface, i.e. partition 21b.

As shown in figure 3, portion of upper body 22 has the sliding valve hole 23 extended along axial Y.In the present embodiment, sliding valve hole 23 The cross sectional shape vertical with axial Y is the circle centered on central axis J.Central axis J extends along axial Y.In addition, will be with Radial direction centered on central axis J is referred to as " radial direction ", and the circumferential direction centered on central axis J is referred to as " circumferential direction ".

Sliding valve hole 23 is at least in front openings.In the present embodiment, the rear end of sliding valve hole 23 is closed.That is, sliding valve hole 23 be in front openings and with the hole of bottom.In addition, sliding valve hole 23 for example can also be in the both-side opening of axial Y.Sliding valve hole 23 at least part constitutes a part of the oil circuit 10a in oil circuit body 20.

Sliding valve hole 23 has sliding valve hole main body 23a and imports hole portion 23b.Although not shown, but in sliding valve hole main body On the inner peripheral surface of 23a, it is set to the oil circuit 10a opening of the part other than the sliding valve hole 23 in oil circuit body 20.Import hole portion 23b's Internal diameter is bigger than the internal diameter of sliding valve hole main body 23a.Hole portion 23b is imported to connect with the end of the front side of sliding valve hole main body 23a.Entrance hole Portion 23b is the end of the front side of sliding valve hole 23, in front openings.

Portion of upper body 22 has through hole 22a, 22b in the end of the front side of portion of upper body 22.Through hole 22a Z along the vertical direction Penetrate through the upper surface slave portion of upper body 22 in portion of upper body 22 to the part for the inner peripheral surface for importing hole portion 23b.Through hole 22b is vertically Direction Z penetrates through the lower surface slave portion of upper body 22 in portion of upper body 22 to the part for the inner peripheral surface for importing hole portion 23b.That is, through hole 22b is equivalent to the third through hole that Z along the vertical direction extends to the inner peripheral surface of sliding valve hole 23 from the face of the downside of portion of upper body 22.Such as Shown in Fig. 2, through hole 22a and through hole 22b are when from upside in longer rectangle on X in left and right directions.Through hole 22a and through hole 22b coincides with one another when from upside.

As shown in figure 3, through hole 22b has large-diameter portion 22c and small diameter portion 22d.Large-diameter portion 22c is under portion of upper body 22 The part for being recessed and having bottom surface 22e towards upside of side.Bottom surface 22e is directed towards downside, the face vertical with up and down direction Z.Greatly Diameter portion 22c is in front openings.Small diameter portion 22d is from the bottom surface 22e inner peripheral surface for extending to sliding valve hole 23 and internal diameter is than large-diameter portion 22c Small part.

In addition, in the present specification, " internal diameter of small diameter portion is smaller than the internal diameter of large-diameter portion " includes following situation: small diameter portion exists The size at least one direction in the direction vertical with up and down direction Z is smaller than large-diameter portion.In the present embodiment, small diameter portion 22d is smaller than size of the large-diameter portion 22c on axial Y in the size on axial Y.Small diameter portion 22d in left and right directions the size on X with Size of the large-diameter portion 22c in left and right directions on X is identical.

As shown in Figure 1, the part for being provided with sliding valve hole 23 in portion of upper body 22 than portion of upper body 22 other parts to upside It is prominent.The upper surface of the end of front side in the part outstanding is the semicircular arc-shaped curved surface to upside protrusion.Through hole 22a It is open in the upper end of the semicircular arc-shaped curved surface.Lower part phosphor bodies 21a, partition 21b and portion of upper body 22 are for example single respectively A component.Lower part phosphor bodies 21a, partition 21b and portion of upper body 22 are made of nonmagnetic material.

As shown in figure 3, slide valve 30 is configured along the central axis J extended on the axial Y intersected with up and down direction Z.It is sliding Valve 30 is cylindric.Slide valve 30 is installed on oil circuit body 20.Slide valve 30 is configured to move along axial Y in the inside of sliding valve hole 23 It is dynamic.In the present embodiment, slide valve 30 is, for example, single component made of metal.Slide valve 30 has slide body portion 31, magnetic Ferropexy portion 32 and protruding portion 33.

Slide body portion 31 moves in sliding valve hole main body 23a along axial Y, and to the inner peripheral surface in sliding valve hole main body 23a The opening portion of the oil circuit 10a of upper opening is opened and closed.Although not shown, but from the hydraulic or solenoid actuator etc. of oil Driving device applies the power towards front side to the end of the rear side in slide body portion 31.Slide body portion 31 has multiple large-diameter portions 31a and multiple small diameter portion 31b.Each section of slide valve 30 is to be extended along axial Y cylindric centered on central axis J.

Multiple large-diameter portion 31a and multiple small diameter portion 31b are from the large-diameter portion connecting with the end of the rear side of magnet fixed part 32 31a is arranged alternately in a continuous manner towards rear side.The outer diameter of large-diameter portion 31a is bigger than the outer diameter of small diameter portion 31b.The outer diameter of large-diameter portion 31a Roughly the same with the internal diameter of sliding valve hole main body 23a, the internal diameter than sliding valve hole main body 23a is slightly smaller.Large-diameter portion 31a can be opposite on one side It is mobile that an edge axial direction Y is slided in the inner peripheral surface of sliding valve hole main body 23a.Large-diameter portion 31a is as in sliding valve hole main body 23a Valve portion that the opening portion of the oil circuit 10a of circumferential surface upper opening is opened and closed and function.

Magnet fixed part 32 is connect with the end of the axial Y in slide body portion 31.In more detail, magnet fixed part 32 The end of rear side is connect with the configuration in multiple large-diameter portion 31a in the end of the most front side of the large-diameter portion 31a of the position of front side.Magnetic Ferropexy portion 32 is configured to move along axial Y in the inside for importing hole portion 23b.The outer diameter of magnet fixed part 32 compares major diameter The outer diameter of portion 31a is big.The outer diameter of magnet fixed part 32 is roughly the same with the internal diameter of hole portion 23b is imported, than importing in hole portion 23b Diameter is slightly smaller.

It is mobile that magnet fixed part 32 can slide an edge axial direction Y relative to the inner peripheral surface for importing hole portion 23b on one side.That is, Magnet fixed part 32 has sliding part, which can slide an edge axial direction Y relative to the inner peripheral surface of sliding valve hole 23 on one side It is mobile.In the present embodiment, sliding part is entire magnet fixed part 32.Diameter in the face of the rear side of magnet fixed part 32 is outside Edge can in sliding valve hole main body 23a and import the step face contact towards front side between hole portion 23b in the step that generates. Thereby, it is possible to inhibit slide valve 30 from the position of magnet fixed part 32 shown in Fig. 3 and step face contact, side is mobile backward, so as to Enough determine the last end position of slide valve 30.

As shown in Fig. 2, magnet fixed part 32 is the downside that X cuts away the cylinder centered on central axis J in left-right direction End obtained by shape.Magnet fixed part 32 has pair as the flat face vertical with the radial direction of central axis J as a result, Set portion 34.Opposed portion 34 extends to the end of the rear side of magnet fixed part 32 from the end of the front side of magnet fixed part 32.It is opposed The outer peripheral surface that portion 34 is located at the magnet fixed part 32 than the part other than opposed portion 34 leans on the position of radially inner side.Opposed portion 34 is The longer rectangular face on axial Y.As shown in figure 3, opposed portion 34 and import hole portion 23b inner peripheral surface radially across Gap S is opposed.

Magnet fixed part 32 has the housing recess 32a being recessed from the periphery of magnet fixed part 32 towards radially inner side.Such as Upper described, in the present embodiment, entire magnet fixed part 32 is equivalent to sliding part, therefore housing recess 32a is from sliding part Periphery is recessed towards radially inner side.In Fig. 3, housing recess 32a is recessed from the upper end of magnet fixed part 32 to downside.Storage The medial surface of recess portion 32a is included in opposed pairs face on axial direction Y.

As shown in Fig. 2, protruding portion 33 extends from magnet fixed part 32 to front side.Protruding portion 33, which is with central axis J, is The heart it is cylindric.As shown in figure 3, the outer diameter of protruding portion 33 is smaller than the outer diameter of the outer diameter of magnet fixed part 32 and large-diameter portion 31a.It is prominent The outer diameter in portion 33 is bigger than the outer diameter of small diameter portion 31b out.The end of the front side of protruding portion 33 is configured at the rear side of bearing part 71.

In the present embodiment, will slide body portion 31 and magnet fixed part 32 combine obtained by be partially equivalent to along The first part of the central axis J configuration extended on axial Y.That is, the first part in slide valve 30 has opposed portion 34.Protruding portion 33 are equivalent to from first part's second part that side, i.e. front side extends in the axial direction.

As shown in Fig. 2, magnet 50 is substantially rectangular parallelepiped.The upper surface of magnet 50 e.g. circumferentially bends to circular arc The face of shape.As shown in figure 3, magnet 50 is accommodated in housing recess 32a and is fixed on magnet fixed part 32.Magnet 50 is solid as a result, Due to slide valve 30.Magnet 50 is for example fixed by bonding agent.The radial outer side of magnet 50 is for example positioned at more solid than magnet The outer peripheral surface for determining portion 32 leans on the position of radially inner side.The radial outer side of magnet 50 and the inner peripheral surface of importing hole portion 23b are in radial direction On it is opposed across gap.

As described above, the magnet fixed part 32 for being provided with housing recess 32a is inner peripheral surface of the one side relative to sliding valve hole 23 Slide the sliding part moved on one side.Therefore, the inner circumferential face contact of the outer peripheral surface of magnet fixed part 32 and sliding valve hole 23 or across Small gap is opposed.The foreign matters such as the sheet metal for including in oil as a result, are not easily accessed in housing recess 32a.Therefore, can The foreign matters such as the sheet metal for including in oil are inhibited to be attached to the magnet 50 being accommodated in housing recess 32a.

Sensor module 40 has shell 42 and Magnetic Sensor 41.That is, valve gear 10 has shell 42 and Magnetic Sensor 41. Shell 42 stores Magnetic Sensor 41.As shown in Figure 1, cuboid box-like flat on for example, in above-below direction Z of shell 42.Shell 42 are fixed on the flat of the rear side positioned at the semicircular arc-shaped curved surface for being provided with through hole 22a in the upper surface of portion of upper body 22 Face.

As shown in figure 3, Magnetic Sensor 41 is fixed on the bottom surface of shell 42 in the inside of shell 42.Magnetic Sensor 41 as a result, Oil circuit body 20 is installed on via shell 42.The magnetic field of the detection magnet 50 of Magnetic Sensor 41.Magnetic Sensor 41 is, for example, Hall member Part.In addition, Magnetic Sensor 41 is also possible to magnetoresistive element.

When position of the magnet 50 on axial Y changes with the moving on axial Y of slide valve 30, passes through magnetic and pass The magnetic field of the magnet 50 of sensor 41 changes.Therefore, the variation in the magnetic field of magnet 50 is detected by Magnetic Sensor 41, So as to detect magnet 50 in position, i.e. position of the slide valve 30 on axial Y on axial Y.

Magnetic Sensor 41 is be overlapped on magnet 50 in above-below direction Z.That is, at least part of magnet 50 and Magnetic Sensor 41 It is overlapped on the direction parallel with up and down direction Z in radial direction.Therefore, it is easy to detect the magnetic of magnet 50 by Magnetic Sensor 41 ?.Therefore, displacement of the slide valve 30 on axial Y can be more precisely detected by sensor module 40.

In addition, in the present specification, about " at least part of magnet is be overlapped radially with Magnetic Sensor ", as long as On at least part of position in the range of the slide valve for being directly fixed with magnet is axially moveable, at least part of magnet It is Chong Die radially with Magnetic Sensor.That is, be for example also possible to when slide valve 30 is displaced from the position of Fig. 3 along axial Y, Magnet 50 is not be overlapped on Magnetic Sensor 41 in above-below direction Z.In the present embodiment, as long as being moved in slide valve 30 along axial Y In the range of, no matter in which position, a part of magnet 50 is all be overlapped on Magnetic Sensor 41 in above-below direction Z.

As shown in Fig. 2, bearing part 71 extends along the direction intersected with axial Y.In the present embodiment, bearing part 71 Extend along with axial Y vertically upward and downward directions Z.Bearing part 71 is the plate face plate parallel with left and right directions X.As shown in figure 3, Bearing part 71 is installed on oil circuit body 20.Bearing part 71 passes through through hole 22b.Bearing part 71 has extension 71a and hook Extension portion 71b.

Z extends extension 71a along the vertical direction.The plate face of extension 71a is vertical with axial direction Y.Extension 71a is from front side It is longer rectangle on Z in above-below direction when observation.As shown in figures 1 and 3, extension 71a is inserted into via through hole 22b To the inside for importing hole portion 23b.The upper end of extension 71a is inserted in through hole 22a.As a result, bearing part 71 along with axis The direction intersected to Y extends and penetrates through the inside of sliding valve hole 23.The opening of the front side of extension 71a confined bed entrance bore portion 23b A part.Lateroflexion is bent forward from the end of the downside of extension 71a by hook portion 71b.Hook portion 71b is inserted in large-diameter portion 22c.Hook Extension portion 71b be be opposed on the downside of the 22e of bottom surface configuration part.Thereby, it is possible to inhibit the upward side hook portion 71b mobile.

As shown in figure 3, bearing part 71 is configured at the front side of elastomeric element 70.Bearing part 71 is in sliding valve hole 23 as a result, The end of the interior front side to elastomeric element 70 supports.As shown in figure 4, bearing part 71 observes Shi Yuzhong in axially Y Mandrel line J overlapping.Therefore, the center of elastomeric element 70 can be supported, by bearing part 71 so as to steadily support Elastomeric element 70.In addition, bearing part can be made since bearing part 71 as described above penetrates through the inside of sliding valve hole 23 The part supported to elastomeric element 70 in 71 becomes larger radially.Thereby, it is possible to more steadily support elastomeric element 70.In the present embodiment, the extension 71a in bearing part 71 is Chong Die with central axis J when axially Y is observed.? In present embodiment, the center configuration of the left and right directions X of bearing part 71 is at the center with the left and right directions X for importing hole portion 23b Identical position.As shown in figure 3, bearing part 71 from elastomeric element 70 by the elastic force towards front side, thus extension 71a It is pressed against the part of the front side in the inner peripheral surface of through hole 22a, 22b.

In the present embodiment, before being overlapped portion of upper body 22 with lower body 21, bearing part 71 is from portion of upper body 22 Lower surface upper opening through hole 22b opening portion via through hole 22b and import hole portion 23b and be inserted into through hole 22a. Moreover, by making portion of upper body 22 with lower body 21, Z is laminated and is combined along the vertical direction, and by the upper surface of lower body 21 The hook portion 71b for being inserted in large-diameter portion 22c is supported from downside.Thereby, it is possible to bearing part 71 is installed on oil circuit body 20。

In this way, according to the present embodiment, since the face of the downside of portion of upper body 22 is arranged in through hole 22b, can borrow Help lower body 21 to support from downside to across the bearing part 71 of through hole 22b, so as to inhibit bearing part 71 to Downside is mobile.In addition, due to being opposed to configure on the downside of hook portion 71b and bottom surface 22e, be able to suppress bearing part 71 to Upside is mobile.Therefore, being able to suppress bearing part 71, Z is mobile and be detached from from oil circuit body 20 along the vertical direction.

Elastomeric element 70 is the coil spring extended along axial Y.Elastomeric element 70 configures solid in magnet in sliding valve hole 23 Determine the front side of the front side in portion 32, first part i.e. in slide valve 30.Protruding portion 33 passes through the inside of elastomeric element 70.Therefore, energy It is enough that elastomeric element 70 is supported from inside by protruding portion 33.Thereby, it is possible to inhibiting elastomeric element 70 to move radially and Position shifts.

The end of the rear side of elastomeric element 70 is contacted with the end face of the front side of magnet fixed part 32.The front side of elastomeric element 70 End contacted with bearing part 71.In more detail, the end of the front side of elastomeric element 70 is contacted with extension 71a.

By the overhang bracket of the front side of elastomeric element 70 in bearing part 71, elastomeric element 70 is to first in slide valve 30 Part applies the elastic force towards rear side.Thus, for example, following position can be maintained for position of the slide valve 30 on axial Y: In the position, to being applied by driving devices such as the hydraulic or solenoid actuators of oil of applying of the end of the rear side of slide valve 30 On the position of power and the elastic dynamic balance of elastomeric element 70.Become as a result, by making to be applied to the power of the end of the rear side of slide valve 30 Change, change in location of the slide valve 30 on axial Y can be made, so as to switch oil circuit body 20 inside oil circuit 10a opening and closing.

Valve gear 10 also has rotation stop component 60.Rotation stop component 60 extends along axial Y.As shown in Fig. 2, rotation stop component 60 is Using the plane vertical with up and down direction Z from shape as the part that the cylinder extended along axial Y is cut, to prolong along axial Y Shape as the end of the downside for the cylinder stretched.As shown in figure 4, rotation stop component 60 and magnet are consolidated when along axial Y observation The shape of part obtained by portion 32 combines is determined for the circle centered on central axis J.

The face of the upside of rotation stop component 60 is the flat face vertical with up and down direction Z.As shown in figure 3, rotation stop component 60 Configuration is in sliding valve hole 23 at the position for leaning on radial outside than central axis J.The end of the rear side of rotation stop component 60 is inserted into In the gap S of the inner peripheral surface of the first part and sliding valve hole 23 of slide valve 30.In more detail, the end of the rear side of rotation stop component 60 It is inserted into opposed portion 34 and imports in the gap S of the inner peripheral surface of hole portion 23b.The end ratio of the rear side of rotation stop component 60 is in sliding valve hole The step towards front side in step generated between main body 23a and importing hole portion 23b the separate configuration in side forward.

As shown in Fig. 2, rotation stop component 60 has the first through hole 60a of Z perforation rotation stop component 60 along the vertical direction.First Through hole 60a is longer rectangle on X in left and right directions when Z along the vertical direction is observed.First through hole 60a is set to only The end of the front side of rotation member 60.As shown in Figure 3 and Figure 4, the first through hole 60a Z along the vertical direction observe when and through hole 22a, 22b overlapping.

Bearing part 71 passes through the first through hole 60a.The end of the front side of rotation stop component 60 is installed on bearing part as a result, 71.In the present embodiment, the first through hole 60a is passed through by bearing part 71, rotation stop component 60 can be installed on bearing Component 71, therefore be easy to carry out installation of the rotation stop component 60 relative to bearing part 71.The axial sides of first through hole 60a Face contact of the medial surface for example with the axial sides of bearing part 71.

Rotation stop component 60 is opposed in the circumferential with opposed portion 34.In the present specification, " certain two part is right in the circumferential Setting " both sides comprising certain two part are located in an imaginary circle circumferentially and situation opposite each other.Rotation stop component 60 can be in contact with each other with opposed portion 34.That is, opposed portion 34 is opposed in the circumferential direction of central axis J with rotation stop component 60, and It can be contacted with rotation stop component 60.

Therefore, according to the present embodiment, such as in the case where opposed portion 34 will be rotated around central axis J, opposed portion 34 It is contacted with rotation stop component 60.Inhibit the rotation of opposed portion 34 by rotation stop component 60 as a result, to inhibit slide valve 30 in Mandrel line J rotation.Therefore, it is able to suppress and is fixed on the position of the magnet 50 of slide valve 30 and circumferentially offsets.Therefore, exist in slide valve 30 In the case that position on axial Y does not change, it is able to suppress the location information hair of the slide valve 30 detected of Magnetic Sensor 41 Changing.Thereby, it is possible to improve the precision for grasping position of the slide valve 30 on axial Y.In addition, in figs. 3 and 4, about right Set portion 34, for example, opposed portion 34 front side part and the upper surface face contact of rotation stop component 60.

In addition, rotation stop component 60 is the component extended along axial Y, it can be by being inserted into the first of slide valve 30 along axial Y Part configures in sliding valve hole 23 with the gap S of the inner peripheral surface of sliding valve hole 23.Therefore, it is being used as present embodiment In the case that oil circuit body 20 is divided into lower body 21 and the structure of portion of upper body 22, when assembling lower body 21 and portion of upper body 22, Rotation stop component 60 will not fall off to downside.Therefore, it can be easy to carry out the assembling of valve gear 10 and inhibit the rotation of slide valve 30. Moreover, can inhibit rotation stop component 60 along axis using bearing part 71 by the way that rotation stop component 60 is installed on bearing part 71 It is mobile to Y.It therefore, there is no need in addition be arranged for rotation stop component 60 to be stayed in the component in sliding valve hole 23, so as to inhibit The increase of the number of components of valve gear 10 and inhibit rotation stop component 60 from sliding valve hole 23 deviate from.

In addition, according to the present embodiment, the end of the rear side of rotation stop component 60 is inserted into opposed portion 34 and sliding valve hole 23 In the gap S of inner peripheral surface, opposed portion 34 is the flat face vertical with the radial direction of central axis J.Therefore, by implementing cylinder The processing that a part of the slide valve 30 of shape is cut away, can be easily made opposed portion 34.In addition, according to the present embodiment, as The opposed portion 34 in the flat face vertical with the radial direction of central axis J can the flat face with the upside of rotation stop component 60 connect Touching.Therefore, contact face contact of the opposed portion 34 with rotation stop component 60 can be made, so as to more steadily inhibit slide valve 30 Rotation.

In addition, according to the present embodiment, magnet 50 is fixed on the magnet connecting with the end of the axial Y in slide body portion 31 Fixed part 32.Therefore, the opening portion for capableing of the oil circuit 10a to the inner peripheral surface upper opening in sliding valve hole 23 in slide valve 30 carries out Magnet 50 is set on the part of opening and closing, the part i.e. other than slide body portion 31.Thus, for example leading to as present embodiment Crossing keeps the outer diameter of magnet fixed part 32 bigger than the outer diameter in slide body portion 31, is easy that the magnet 50 of magnet fixed part 32 will be fixed on It configures in the position for more leaning on radial outside.It is easy to make magnet 50 and Magnetic Sensor 41 close to configuration as a result, can be improved magnetic sensing Position detection accuracy of the device 41 to slide valve 30.

When assembling the valve gear 10 of present embodiment, operator is inserted into slide valve 30 first into sliding valve hole 23.Operator Protruding portion 33 is set to pass through elastomeric element 70 to be configured in sliding valve hole 23.In addition, operator by rotation stop component 60 in the past Side is inserted into magnet fixed part 32 and imports in the gap S of the inner peripheral surface of hole portion 23b.At this point, operator matches rotation stop component 60 Set the position be overlapped on through hole 22a, 22b in above-below direction Z in the first through hole 60a.

Bearing part 71 is inserted by operator after by elastomeric element 70 and the configuration of rotation stop component 60 in sliding valve hole 23 In through hole 22a, 22b and the first through hole 60a, and elastomeric element 70 is pressed from front side, at the same time by rotation stop component 60 It is linked up with bearing part 71.At this point, bearing part 71 is pressed against and passes through from elastomeric element 70 by the power towards front side On the inner peripheral surface of through-hole 22a, 22b, therefore bearing part 71 is inhibited to fall off from through hole 22a, 22b to downside.Here, according to Present embodiment, due to being configured the structure in sliding valve hole 23 using and being inserted into rotation stop component 60 along axial Y, because This component not being inserted into from the lower surface of portion of upper body 22 other than bearing part 71.Therefore, even if by portion of upper body 22 Lower surface is also able to suppress component and falls off to downside towards in the state of downside.As a result, when assembling valve gear 10, do not make The labour that oil circuit body 20 inverts on Z etc. in above-below direction, so as to be easy to carry out the assembling of valve gear 10.Then, operator Make the upper side superimposed of portion of upper body 22 Yu lower body 21.In this way, operator assembles valve gear 10.

< second embodiment >

As shown in figure 5, slide valve 130 is by slide body portion 31 and magnet fixed part in the valve gear 110 of present embodiment 132 are constituted.First part is partially equivalent to obtained by combining slide body portion 31 and magnet fixed part 132.Slide valve 130 does not have There is the protruding portion as second part.That is, in the present embodiment, entire slide valve 130 is equivalent to first part.

The first recess portion that there is slide valve 130 as first part the end of the front side from slide valve 130 to be recessed to rear side 132b.In the present embodiment, the end of the front side of slide valve 130 is magnet fixed part 132.First recess portion 132b is fixed from magnet The end face of the front side in portion 132 is recessed to rear side.First recess portion 132b extends along axial Y.First recess portion 132b is configured than center Axis J leans on the position of radial outside.In Fig. 5, the first recess portion 132b is configured at the upside of central axis J.Although figure is omitted Show, but inner edge when the axially Y observation of the first recess portion 132b is circle.

Bearing part 171 has the first component 172 and second component 173.The front side of the first component 172 and sliding valve hole 23 End is chimeric.The first component 172 has bottom 172a and canister portion 172b.Bottom 172a is the plate face plate vertical with axial direction Y.Though So the illustration is omitted, but bottom 172a is the circle centered on central axis J when along axial Y observation.Elastomeric element 170 The face contact of the rear side of the end and bottom 172a of front side.Bottom 172a carries out the end of the front side of elastomeric element 170 as a result, Bearing.Elastomeric element 170 is the coil spring extended along axial Y.According to the present embodiment, due to can be by bottom 172a to bullet Property component 170 supported, therefore readily and stably support elastomeric element 170.

Bottom 172a has the second through hole 172e along axial Y perforation bottom 172a.Second through hole 172e configuration exists Than the position that central axis J leans on radial outside.In Fig. 5, the second through hole 172e is configured in the upside of central axis J.Although The illustration is omitted, but the second through hole 172e is circle when along axial Y observation.Second through hole 172e is observed along axial Y When it is Chong Die with the first recess portion 132b.

Canister portion 172b extends from bottom 172a to front side.In more detail, radially outer edge of the canister portion 172b from bottom 172a Portion extends to front side.Canister portion 172b is centered on central axis J and in the cylindrical shape of front openings.The outer peripheral surface of canister portion 172b With the inner circumferential face contact of sliding valve hole 23.

Canister portion 172b has hole portion 172c, 172d for the wall portion for radially penetrating through canister portion 172b.Hole portion 172c is vertically square The wall portion of the end of downside into Z perforation canister portion 172b.Z penetrates through the upside in canister portion 172b to hole portion 172d along the vertical direction The wall portion of end.Hole portion 172c and hole portion 172d overlaps each other when Z along the vertical direction is observed.Although not shown, but hole Portion 172c, 172d are longer rectangle on X in left and right directions when Z along the vertical direction is observed.

Second component 173 is shape identical with the bearing part 71 in first embodiment.Second component 173 passes through hole Portion 172c and hole portion 172d.That is, radial perforation canister portion 172b of the second component 173 along central axis J.As a result, by the first component 172 link with second component 173, and the first component 172 can be inhibited to rotate around central axis J by second component 173.Second Component 173 is configured in the front side of the second through hole 172e.

Rotation stop component 160 is cylindric to extend along axial Y.Rotation stop component 160 passes through the second through hole 172e, along axial direction Y penetrates through bottom 172a.Rotation stop component 160 passes through the inside of elastomeric element 170.The end of the rear side of rotation stop component 160 is inserted into The inside of first recess portion 132b.The flange part 161 that rotation stop component 160 in the end of front side there is outer diameter to become larger.Flange part 161 is With the part for being opposed to configuration on front side of the 172a of bottom.Therefore, flange part 161 is hooked on the face of the front side of bottom 172a, can Inhibiting rotation stop component 160, side is mobile backward.In Fig. 5, the face contact of the front side of flange part 161 and bottom 172a.

The face contact of the rear side of the end of the front side of rotation stop component 160, i.e. flange part 161 and second component 173.As a result, Second component 173 is supported in end of the front side of rotation stop component 160 to the front side of rotation stop component 160.Therefore, it is able to suppress Side is mobile backward for rotation stop component 160.In this way, the end of the front side of rotation stop component 160 is hooked on bottom 172a by flange part 161 And bearing part 171 is installed on from preceding side bearing by second component 173.

According to the present embodiment, the first recess portion is inserted into the inner peripheral surface of the first recess portion 132b and rotation stop component 160 The outer peripheral surface of the part of the inside of 132b is circumferentially opposed, and can contact.That is, in the present embodiment, opposed portion is The inner peripheral surface of one recess portion 132b.It is contacted by the inner peripheral surface of the first recess portion 132b as opposed portion with rotation stop component 160, it can Inhibit the rotation of slide valve 130.

(variation)

As shown in fig. 6, slide valve 230 is by slide body portion 31 and magnet fixed part in the valve gear 210 of this variation 232 are constituted.First part is partially equivalent to obtained by combining slide body portion 31 and magnet fixed part 232.Slide valve 230 does not have There is the protruding portion as second part.That is, in this variation, entire slide valve 230 is equivalent to first part.

The second recess portion that there is slide valve 230 as first part the end of the front side from slide valve 230 to be recessed to rear side 235.In this variation, the end of the front side of slide valve 230 is magnet fixed part 232.Second recess portion 235 is from magnet fixed part The end face of 232 front side is recessed to rear side.Although not shown, but the inner edge of the second recess portion 235 be when from front side Circle centered on central axis J.

At least part of elastomeric element 270 configures in the second recess portion 235.Therefore, elastomeric element 270 can be made extremely Few a part is be overlapped radially with slide valve 230, to be easy to keep valve gear 210 compact in size on axial Y.In addition, Elastomeric element 270 can be supported by the inner peripheral surface of the second recess portion 235, so as to inhibit elastomeric element 270 radially It is mobile.In this variation, the rear side of elastomeric element 270 is partly arranged in the second recess portion 235.After elastomeric element 270 The end of side is contacted with the bottom surface of the second recess portion 235.

< third embodiment >

As shown in fig. 7, the magnet fixed part 332 of slide valve 330 is than central axis in the valve gear 310 of present embodiment Line J has the first recess portion 332b by the position of radial outside.The internal diameter of first recess portion 332b is for example than the of second embodiment The internal diameter of one recess portion 132b is big.Rotation stop component 360 is cylindric to extend along axial Y.It inserts the end of the rear side of rotation stop component 360 Enter to the inside of the first recess portion 332b.Rotation stop component 360 has the end of the front side of Z perforation rotation stop component 360 along the vertical direction The first through hole 360a.Bearing part 71 passes through the first through hole 360a.The end peace of the front side of rotation stop component 360 as a result, Loaded on bearing part 71.In the present embodiment, opposed portion is the inner peripheral surface of the first recess portion 332b.

The utility model is not limited to above-mentioned embodiment, can also use other structures.About the structure of opposed portion, only It will be circumferentially opposed with rotation stop component and can be not particularly limited with rotation stop component contact.As the prominent of second part The shape in portion is not particularly limited out.Protruding portion as second part also can be set multiple.Rotation stop component also can be set It is multiple.In this case, the end that multiple rotation stop components also may include rear side is inserted into first part and the sliding valve hole of slide valve Inner peripheral surface gap in rotation stop component and the end of rear side be inserted into both rotation stop components of inside of the first recess portion.

In addition, the structure of magnet is not particularly limited.Magnet for example may be annular shape and chimeric with slide valve.Magnet It is also possible to combine multiple magnet and constitutes.In addition, as long as the magnetic field of magnet, magnetic can be detected by Magnetic Sensor Sensor can also be not be overlapped radially with magnet.

In addition, in the above-described embodiment, the structure of portion of upper body is set to using sliding valve hole possessed by oil circuit body, but It is without being limited thereto.Sliding valve hole also can be set in lower body.It can also be not provided with partition.Oil circuit body can also without separating into portion of upper body and Lower body.In addition, the axial direction that central axis J is extended can not be vertical with up and down direction Z but be intersected, it can also be with upper and lower It is parallel to Z.

In addition, oil circuit body also can have oil circuit phosphor bodies and the sensor as the component separated with oil circuit phosphor bodies is pacified Component is filled, which is installed on oil circuit phosphor bodies.Magnetic Sensor 41 is installed on sensor mounting block.It passes Sensor installing component is, for example, the part of the front side for being fixed with sensor module 40 in above-mentioned portion of upper body 22.That is, above-mentioned The part of the front side of portion of upper body 22 is also configured to seperated component and is installed on oil circuit phosphor bodies.In this configuration, oil circuit body Main body has part and lower body 21 other than the sensor mounting block in portion of upper body 22.In this configuration, sliding valve hole 23 It is arranged to across oil circuit phosphor bodies and sensor mounting block.In this case, it imports hole portion 23b and is set to sensor installation Component.Therefore, magnet 50 is stored in the inside of the part for being set to sensor mounting block in sliding valve hole 23.According to the knot Structure, the structure that only can easily change the importing hole portion 23b of storage magnet 50 by replacing sensor mounting block.

In addition, the purposes of the valve gear of above-mentioned embodiment is not particularly limited, can also be equipped on other than vehicle Device.In addition, above-mentioned each structure can be appropriately combined in not conflicting range.

Claims (11)

1. a kind of valve gear, includes

Slide valve has the first part along the central axis configuration extended in the axial direction；And

Oil circuit body, oil circuit with fuel feeding flowing and at least in one side opening of axial direction and the sliding valve hole that axially extends are described Slide valve is configured in a manner of it can be axially moveable in the inside of the sliding valve hole,

It is characterized in that,

The valve gear includes

Magnet is fixed on the slide valve；

Magnetic Sensor is installed on the oil circuit body, detects the magnetic field of the magnet；

Elastomeric element, configuration applies the first part in the axial side of the first part in the sliding valve hole Towards the elastic force of the axial other side；

Bearing part is installed on the oil circuit body, to the end of the axial side of the elastomeric element in the sliding valve hole It is supported；And

Rotation stop component, axially extends, and configuration is in the sliding valve hole at the position for leaning on radial outside than the central axis It is interior,

The end of the axial side of the rotation stop component is installed on the bearing part,

The end of the axial other side of the rotation stop component is inserted between the first part and the inner peripheral surface of the sliding valve hole The inside of the end of axial side in gap or from the first part the first recess portion that the other side is recessed in the axial direction,

The first part has opposed portion, and the opposed portion and the rotation stop component are opposed in the circumferential direction of the central axis, And it can be with the rotation stop component contact.

2. valve gear according to claim 1, which is characterized in that

The bearing part extends along direction intersecting axially and penetrates through the inside of the sliding valve hole, when along end on observation, The bearing part is Chong Die with the central axis.

3. valve gear according to claim 1, which is characterized in that

The end of the axial other side of the rotation stop component is inserted into the gap of the inner peripheral surface of the opposed portion and the sliding valve hole In,

The opposed portion is the flat face vertical with the radial direction of the central axis.

4. valve gear according to claim 2, which is characterized in that

The end of the axial other side of the rotation stop component is inserted into the gap of the inner peripheral surface of the opposed portion and the sliding valve hole In,

The opposed portion is the flat face vertical with the radial direction of the central axis.

5. valve gear according to claim 1, which is characterized in that

The end of the axial other side of the rotation stop component is inserted into the inside of first recess portion,

Inner edge when axially observing of first recess portion is circle,

The rotation stop component be it is cylindric,

The opposed portion is the inner peripheral surface of first recess portion.

6. valve gear according to claim 2, which is characterized in that

The end of the axial other side of the rotation stop component is inserted into the inside of first recess portion,

Inner edge when axially observing of first recess portion is circle,

The rotation stop component be it is cylindric,

The opposed portion is the inner peripheral surface of first recess portion.

7. valve gear according to claim 1, which is characterized in that

The bearing part extends along direction intersecting axially,

The rotation stop component has the first through hole passed through for the bearing part.

8. valve gear according to claim 1, which is characterized in that

The bearing part includes

The first component, have the bottom that the end of the axial side of the elastomeric element is supported and from the bottom to The canister portion that axial side extends；And

Second component, radial along the central axis penetrate through cartridge,

The bottom has the second through hole, which passes through along axially through the bottom for the rotation stop component,

The rotation stop component has the part that configuration is opposed to the axial side of the bottom,

The second component is propped up in end of the axial side of the rotation stop component to the axial side of the rotation stop component It holds.

9. valve gear according to claim 2, which is characterized in that

The slide valve has from the first part second part that side extends in the axial direction,

The elastomeric element is the coil spring passed through for the second part in inside.

10. valve gear according to claim 2, which is characterized in that

The elastomeric element is coil spring,

The first part has end the second recess portion that the other side is recessed in the axial direction from the axial side of the first part,

At least part of the elastomeric element configures in second recess portion.

11. valve gear according to claim 1, which is characterized in that

The bearing part extends along up and down direction intersecting axially,

The oil circuit body includes

Lower body；And

It overlaps on the upside of portion of upper body, with the lower body,

The sliding valve hole is set to the portion of upper body,

The portion of upper body is with the inner peripheral surface for extending to the sliding valve hole from the face of the downside of the portion of upper body along the vertical direction Third through hole,

The bearing part passes through the third through hole,

The third through hole includes

Large-diameter portion from being recessed towards upside for the downside of the portion of upper body, and has bottom surface；And

Small diameter portion, internal diameter are smaller than the large-diameter portion, and the inner peripheral surface of the sliding valve hole is extended to from the bottom surface of the large-diameter portion,

The bearing part have be opposed on the downside of the bottom surface of the large-diameter portion configuration part.